CN-224228475-U - Pulley module, sliding lifting device and sliding door system

Abstract

The utility model belongs to the technical field of door and window hardware, and particularly relates to a pulley module, a sliding lifting device and a sliding door system, wherein the pulley module is in rigid contact fit with a bearing guide piece, an adjusting driving member, a first limiting member and a second limiting member, so that pulleys can be movably adjusted according to the flatness condition of a bearing part, the change of the horizontal position and the longitudinal position is included, interaction among the members is promoted, each pulley is adjusted to be in bearing contact with the bearing part, and the rigid contact fit mode can bear heavier doors and windows, so that the stability and reliability of the pulley module are effectively improved, and the sliding door system using the pulley module is more reliable and has stronger bearing capacity.

Inventors

• ZHONG GUIHONG

Assignees

• 佛山市南海欧博凯门窗配件有限公司

Dates

Publication Date

20260512

Application Date

20250409

Claims (18)

1. 1. Pulley module, its characterized in that includes: A bearing seat (1); The bearing wheel assemblies (2) are movably arranged along the length direction of the bearing seat (1), each bearing wheel assembly (2) comprises a bearing guide piece (21) and pulleys (22) capable of rotating relative to the bearing guide piece (21), and guide structures (210) are respectively formed on two opposite sides of the bearing guide piece (21) along the length direction of the bearing seat (1); The first limiting member (3) and the second limiting member (4) are arranged on the bearing seat (1) at intervals and used for limiting the bearing wheel assembly (2) at the side, and the first limiting member (3) and the second limiting member (4) are respectively in rigid contact fit with the corresponding guide structure (210) of the adjacent bearing wheel assembly (2); The adjusting driving component (5) can be movably arranged between two adjacent bearing wheel assemblies (2) along the length direction of the bearing seat (1), and two opposite sides of the adjusting driving component (5) are in rigid contact fit with the guide structures (210) of the corresponding bearing wheel assemblies (2); the interaction between the load bearing guide (21) and the adjustment drive member (5) maintains the respective pulley (22) in load bearing contact with the load bearing portion (100) in response to changes in the flatness of the load bearing portion (100).
2. 2. Pulley module according to claim 1, characterized in that the guiding structure (210) is configured as an arc or inclined surface constructed by the outer circumference of the bearing guide (21), that the opposite sides of the adjustment drive member (5) are constructed with arc or inclined surfaces cooperating with the guiding structure (210), and/or that the inner side of the first limit member (3) is constructed with arc or inclined surfaces cooperating with the guiding structure (210), and that the inner side of the second limit member (4) is constructed with arc or inclined surfaces cooperating with the guiding structure (210).
3. 3. Pulley module according to claim 2, characterized in that it further comprises a positioning wheel assembly (6) arranged at an edge region of the carrying seat (1), the positioning wheel assembly (6) being configured to define the degree of inclination of the carrying seat (1) along the edge region side in maintaining carrying contact with the carrying portion (100).
4. 4. A pulley module according to claim 3, characterized in that the positioning wheel assembly (6) comprises: a positioning member (61); A positioning wheel (62) rotatably arranged on the positioning member (61), the axis of the positioning wheel (62) having a vertically variable degree of freedom in position relative to the carrier (1); A first limiting structure (63) is arranged between the bearing seat (1) and the positioning member (61), the first limiting structure (63) is used for limiting the joint position (101) of the bearing seat (1) and the positioning member (61), and the positioning wheel (62) is configured to bear the load of the bearing seat (1) at the joint position (101).
5. 5. A pulley module according to claim 3, characterized in that the positioning wheel assembly (6) comprises a positioning wheel (62) with an axis fixed relative to the carrying seat (1), the positioning wheel (62) being arranged with an axis equal to the axis of the pulley (22) in the lowest position and with an outer diameter smaller than the outer diameter of the pulley (22), or the positioning wheel (62) being arranged with an axis higher than the axis of the pulley (22) in the lowest position and with an outer diameter identical to the outer diameter of the pulley (22).
6. 6. Pulley module according to claim 4, characterized in that the carrier (1) comprises a housing (11) and a bottom plate (12), the housing (11) and the bottom plate (12) enclose an assembly cavity accommodating the carrier wheel assembly (2), the first stop member (3), the second stop member (4), the adjustment drive member (5) and the positioning wheel assembly (6), the bottom plate (12) is configured with a through hole (14) corresponding to the carrier wheel assembly (2) and the positioning wheel assembly (6), the pulley (22) and the positioning wheel (62) protrude out of the bottom of the carrier (1) through the corresponding through hole (14), and the bottom plate (12) defines the lowest position of the carrier guide (21) and the positioning member (61).
7. 7. Pulley module according to claim 6, characterized in that two of the bearing guides (21) are arranged in the axial direction of the pulley (22), the pulley (22) being arranged between two bearing guides (21); Or the lower part of the bearing guide piece (21) is provided with an arc-shaped supporting surface (211) which can be supported on the upper side edge of the bottom plate (12) along with the downward movement of the bearing wheel assembly (2); Or the adjusting driving component (5) and the bearing guide piece (21) are respectively and oppositely arranged with two, the opposite sides of the top of the shell (11) are respectively provided with a guiding convex part (13) extending downwards, a movable groove (15) extending along the horizontal direction is formed between the guiding convex part (13) and the corresponding side wall of the shell (11), and the adjusting driving component (5) is movably embedded in the movable groove (15).
8. 8. Pulley module, its characterized in that includes: A bearing seat (1); A plurality of carrier wheel assemblies (2) movably arranged linearly along the carrier seat (1), each carrier wheel assembly (2) being configured with a pulley (22), a carrier guide (21') provided at an end side of the pulley (22); a first limiting member (3) and a second limiting member (4) which are fixedly arranged on the bearing seat (1) at intervals, wherein a first limiting coupling part (301) and a second limiting coupling part (401) which are at least partially coupled with bearing guide parts (21') of the bearing wheel assembly (2) at the first side end and the second side end are respectively configured, and the first limiting coupling part (301) is provided with a vertical limiting part (3011) which limits the vertical freedom degree of the bearing wheel assembly (2) coupled with the first limiting coupling part; One or more adjustment drive members (5) movably arranged between two adjacent carrier wheel assemblies (2) in the direction of the linear arrangement and configured with adjustment drive portions (501) at least partially coupled with corresponding carrier guide portions (21 '), and movable relative to the carrier seat (1) in response to the force of the carrier guide portions (21'); In response to a change in flatness of the load bearing portion (100), the interaction between the load bearing guide portion (21') and the adjustment drive portion (501) maintains the pulleys (22) in load bearing contact with the load bearing portion (100), and the load bearing wheel assembly (2) to which the first limit coupling portion (301) is coupled defines the degree of inclination of the load bearing seat (1) along one side thereof in load bearing contact with the load bearing portion (100).
9. 9. The pulley module according to claim 8, characterized in that the bearing guide (21') adjoining the first limit member (3) is configured as an arc surface coupled with the first limit coupling portion (301) and the adjustment drive portion (501); the vertical limiting part (3011) is configured into a concave arc shape or, The vertical limiting part (3011) is configured into a concave arc shape, and the edge end of the vertical limiting part (3011) extends out of the axis of the bearing guide part (21'); Or alternatively The bearing guide part (21') adjacent to the first limit component (3) is provided with guide inclined planes (212) which are oppositely arranged at intervals and are coupled with the first limit coupling part (301) and the adjusting driving part (501), and a blocking surface (213) which is connected between the two guide inclined planes (212) and is limited by the vertical limit part; the vertical limiting part (3011) is configured into a linear structure extending transversely, or, The vertical limiting part (3011) is configured into a linear structure extending transversely, and the edge end of the vertical limiting part (3011) extends to the outside of the axis of the bearing guide part (21').
10. 10. Pulley module according to claim 8, characterized in that the pulley (22) is configured with a bearing guide (21) on the end side, the bearing guide (21') being configured by the outer circumference of the bearing guide (21); The bearing guide part (21 ') is configured as an arc surface or an inclined surface, the opposite sides of the adjusting driving component (5) are provided with the arc surface or the inclined surface which is coupled with the bearing guide part (21'), and/or the inner side of the first limiting component (3) is provided with the arc surface or the inclined surface which is coupled with the bearing guide part (21 '), and the inner side of the second limiting component (4) is provided with the arc surface or the inclined surface which is coupled with the bearing guide part (21').
11. 11. Pulley module according to claim 8, characterized in that the pulley (22) is configured with the bearing guide (21') at both end sides, the first stop member (3), the one or more adjustment drive members (5) and the second stop member (4) being assembled with two sets linearly apart.
12. 12. Pulley module according to any one of claims 8 to 11, characterized in that the carrying seat (1) comprises a housing (11) and a bottom plate (12), the housing (11) being configured with a linearly extending assembly cavity (11 ') open at its lower side, the first stop member (3), the one or more adjustment drive members (5) and the second stop member (4) being mounted linearly in the assembly cavity (11 ') and against the top of the assembly cavity (11 '), the bottom plate (12) being mounted at the lower side of the housing (11) for limiting the lowest position of the plurality of carrying wheel sets relative to the carrying seat (1), the first stop member (3) and the second stop member (4) being fixedly arranged relative to the housing (11) at least relative to their adjacent end sides, the pulleys (22) of the plurality of carrying wheel assemblies (2) extending out of the bottom plate (12) lower side.
13. 13. Pulley module according to claim 12, characterized in that the carrying seat (1) further comprises a first end seat (1101) and a second end seat (1102) arranged relatively fixedly at both ends of the assembly chamber (11'), the first and second stop members (3, 4) defining the degrees of freedom of the respective sides by the first and second end seats (1101, 1102), respectively; And/or the top of the one or more adjustment drive members (5) is configured with a drive mounting face (50) extending in the direction of the linear arrangement movably cooperating with the top wall of the mounting cavity (11').
14. 14. The pulley module according to claim 13, characterized in that the first and second stop members (3, 4) are assembled directly by cooperation between the housing (11), the first and second end seats (1101, 1102) and the plurality of load-bearing wheel assemblies (2) such that the first and second stop members (3, 4) are fixed without connectors.
15. 15. Pulley module according to claim 12, characterized in that the first stop member (3), the one or more adjustment drive members (5) and the second stop member (4) are each sheet-shaped, and that a second stop structure (13 ') is configured between the top wall and the two side walls of the assembly chamber (11') for limiting the relative distance between the two sets of the first stop member (3), the one or more adjustment drive members (5) and the second stop member (4).
16. 16. Pulley module according to claim 15, characterized in that the second limit structure (13') comprises one or more protrusions (13), between which protrusions (13) and the side walls of the housing (11) a mobile slot (15) is configured for mounting the adjustment drive member (5).
17. 17. Sliding lifting device, characterized by comprising the pulley module (10) according to any one of claims 1 to 16, wherein the edge of the bearing seat (1) extends outwards along the length direction thereof to form a bearing frame (16), the pulley module (10) further comprises a bracket (7) movably arranged on the upper side of the bearing frame (16) and used for connecting a door leaf (9), a guiding positioning part (161) is constructed on the upper side of the bearing frame (16), the guiding positioning part (161) is provided with a guiding part (161 a) which is obliquely arranged and a horizontal locking part (161 b) which is connected with the guiding part (161 a), the bracket (7) is provided with a rotatable rolling member (71), and the rolling member (71) is provided with a rolling coupling part (711) which is in rolling fit with the guiding positioning part (161).
18. 18. Sliding door system, characterized by comprising a door leaf (9), two pulley modules (10) according to any one of claims 1 to 16 arranged on both sides of the bottom of the door leaf (9).

Description

Pulley module, sliding lifting device and sliding door system Technical Field The utility model belongs to the technical field of door and window hardware, and particularly relates to a pulley module, a sliding lifting device and a sliding door system. Background Sliding door and window is through thereby realizing sliding on the carriage such as the track in the bottom setting pulley module, current pulley module includes the bearing seat of bearing in door and window bottom, and set up the pulley on the bearing seat, but because current pulley is generally all fixed to be set up on the bearing seat, consequently, can't be adjusted the height according to the slope condition of carriage, thereby it can't contact with carriage to lead to partial pulley atress uneven, lead to mixing wheel atress, influence the life of whole module, and also there is the slope condition that partial pulley module can self-adaptation carriage on the market, it generally makes the pulley can reciprocate through the spring, but in case door and window is overweight, the spring then can't bear the bearing capacity of overweight, the pulley module of this kind of structure just can lose the function of self-adaptation carriage, for this reason, it is very necessary to develop a pulley module that can be applicable to bear heavy door and window and self-adaptation carriage slope condition. Disclosure of utility model The utility model aims to overcome the defect that the existing pulley module adopting a spring to enable a pulley to adapt to a bearing part cannot be suitable for heavy doors and windows, and provides a pulley module which is capable of realizing automatic adjustment of the pulley through rigid contact fit among a bearing guide piece, an adjusting driving member, a first limiting member and a second limiting member, and ensuring that the pulley always keeps effective contact with the bearing part when the bearing part is uneven, so that the bearing capacity is improved. In order to solve the technical problems, the utility model adopts the following technical scheme: A pulley module comprises a bearing seat, at least two bearing wheel assemblies, a first limiting member and a second limiting member, and an adjusting driving member, wherein the bearing wheel assemblies are movably arranged along the length direction of the bearing seat, the pulley module comprises bearing guides and pulleys capable of rotating relative to the bearing guides, the bearing guides are respectively provided with guide structures on two opposite sides along the length direction of the bearing seat, the first limiting member and the second limiting member are arranged on the bearing seat at intervals and used for limiting the bearing wheel assemblies on the side, the first limiting member and the second limiting member are respectively in rigid contact fit with the guide structures corresponding to the adjacent bearing wheel assemblies, the adjusting driving member can be movably arranged between the two adjacent bearing wheel assemblies along the length direction of the bearing seat, the two opposite sides of the adjusting driving member are in rigid contact fit with the guide structures of the corresponding bearing wheel assemblies, the interaction between the bearing guides and the adjusting driving member is used for enabling the pulleys to be in bearing contact with the bearing portions in a bearing mode in response to the change of flatness of the bearing portions, and the positioning wheel assemblies are arranged in the side end area of the bearing seat and are configured to limit the degree of inclination of the side of the bearing portion. Compared with the prior art, the pulley module suitable for bearing heavy doors and windows and capable of tilting the self-adapting bearing part is provided, the pulley module is matched with the bearing guide piece, the adjusting driving member, the first limiting member and the second limiting member in a rigid contact manner, so that when the pulley walks on the bearing part, the position adjustment (including the change of the horizontal position and the longitudinal position) can be carried out according to the change of the flatness of the bearing part, the bearing guide piece is driven to push the adjacent adjusting driving member to horizontally move through the guiding structure, the adjusting driving member pushes the guiding structure of the other adjacent bearing guide piece, the corresponding bearing wheel assembly of the bearing guide piece is driven to move, the bearing wheel assembly acts on the other adjusting driving member and is transmitted to the first limiting member and the second limiting member in a analogic manner, the members interact with each other, the pulleys can be adaptively contacted with the bearing part, the rigid contact matching manner can bear heavier doors and windows, the stability and the reliability of the pulley module are effectively improved, the door