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CN-224223957-U - Integrated tool bit assembly with guide rail and pruning tool

CN224223957UCN 224223957 UCN224223957 UCN 224223957UCN-224223957-U

Abstract

The utility model relates to an integrated tool bit assembly and a pruning tool with guide rails, which are characterized in that a static tool bit is in a sheet shape, a supporting piece with the width smaller than the width of the static tool bit is fixedly arranged at the bottom end surface of the static tool bit, two ends of the supporting piece are non-rotatably and detachably inserted into a static tool bit so as to enable the static tool bit and the static tool bit to be connected into a whole, a movable tool bit is in point contact or line contact with the side wall of the supporting piece so as to enable the supporting piece to form guide limit on the swing direction of the movable tool bit, and a limit mechanism for limiting swing of the movable tool bit and/or the movable tool bit is also arranged in the supporting piece. The utility model has the advantages that the static knife is in a sheet shape, the supporting piece with the width smaller than that of the static knife is additionally arranged on the bottom end surface of the static knife, when the movable knife is installed, the supporting piece is coated with the movable knife, so that the movable knife and the side wall of the supporting piece form point contact or line contact, a guiding effect is formed on the reciprocating swing of the movable knife, and the limiting mechanism is additionally arranged on the supporting piece, so that the movable knife and/or the movable knife seat can be limited, and the static knife seat can be effectively prevented from being impacted due to the excessive swing of the stopping knife and/or the movable knife seat.

Inventors

  • Request for anonymity

Assignees

  • 浙江海顺电工有限公司

Dates

Publication Date
20260512
Application Date
20250520

Claims (10)

  1. 1. The integrated cutter head assembly with the guide rail comprises a static cutter (2) arranged on a static cutter holder (1) and a movable cutter (4) arranged on a movable cutter holder (3), wherein the movable cutter (4) is contacted with the static cutter (2) under the action of external force and matched with the static cutter (2) to cut hair, the integrated cutter head assembly is characterized in that the static cutter (2) is sheet-shaped, a supporting piece (5) with the width smaller than that of the static cutter (2) is fixedly arranged on the bottom end surface of the static cutter (2), two ends of the supporting piece (5) are non-rotatably and detachably inserted into the static cutter holder (1) to enable the static cutter (2) and the static cutter holder (1) to be connected into a whole, at least one side wall of the movable cutter (4) is in point contact or line contact with the side wall of the supporting piece (5), so that the supporting piece (5) can form guide limit on the swinging direction of the movable cutter (4), and a limit mechanism for limiting the movable cutter (4) and/or the movable cutter holder (3) is also arranged in the supporting piece (5).
  2. 2. The integrated tool bit assembly with the guide rail according to claim 1, wherein the supporting member (5) is hollow frame-shaped when seen from the front projection direction of either end of the supporting member (5), the movable cutter (4) is inverted in a shape of a Chinese character 'ji', and two side walls of the movable cutter are respectively in point contact and/or line contact with two side walls of the supporting member (5).
  3. 3. The integrated tool bit assembly with the guide rail according to claim 1, wherein a notch (51) is formed in the bottom of the supporting piece (5), the bottom of the movable tool (4) is arranged in the notch (51), the length of the notch (51) is larger than or equal to the maximum distance of the movable tool (4) swinging back and forth along the stationary tool (2), and the notch (51) forms a limiting mechanism.
  4. 4. The integrated tool bit assembly with the guide rail according to claim 1, characterized in that the outer surface of the stationary blade holder (1) is inclined with respect to a horizontal extension line of the highest point of the surface thereof, the inclination angle S thereof is less than 15 °, and the outer surface of the support member (5) is inclined and the same inclination angle as the outer surface of the stationary blade holder (1), so that the outer surface of the stationary blade (2) mounted on the support member (5) is on a horizontal plane of the same inclination angle as the outer surface of the stationary blade holder (1).
  5. 5. The integrated tool bit assembly with the guide rail according to claim 1, wherein the edges of the two sides of the outer surface of the static tool (2) are respectively provided with a sinking groove (21) which is sunken along the outer surface and protrudes out of the bottom end surface, the edges and the two end parts of the sinking groove (21) are respectively arranged at intervals between the edges and the two end parts of the static tool (2), a plurality of static tool teeth (22) are arranged in the sinking groove (21) at intervals so that the upper end surface of the end part of each static tool tooth (22) forms a convex block (23), the bottom end surface of the static tool (2) is provided with a grinding groove (24), the bottom end surface of the sinking groove (21) is ground to be flat so that the bottom end surface of the sinking groove (21) and the bottom end surface of the static tool (2) are in the same plane, and the thickness T1 of each static tool tooth is smaller than the thickness T2 of the static tool.
  6. 6. The integrated tool bit assembly with guide rail according to claim 5, wherein the recess depth T3 of the countersink (21) is smaller than the static tool thickness T2, and each static tool tooth thickness T1 formed in the countersink (21) is greater than 0.08mm but smaller than the static tool thickness T2.
  7. 7. The integrated tool bit assembly with the guide rail according to claim 5, wherein an edge distance T4 between two end parts of the countersink (21) and two end parts of the stationary knife (2) is smaller than 3 mm-10 mm.
  8. 8. The integrated tool bit assembly with the guide rail according to claim 1, characterized in that the stationary blade holder (1) comprises a left base (11) and a right base (12), square holes (13) are respectively formed in inner side walls opposite to the upper ends of the left base (11) and the right base (12), two ends of the supporting piece (5) are respectively inserted into the square holes (13) in a non-rotatable and detachable mode, the stationary blade (2) is connected with the left base (11) and the right base (12), and connecting pieces (14) are respectively arranged on two sides of the left base (11) and the right base (12), so that the left base (11) and the right base (12) are connected into a whole.
  9. 9. The integrated tool bit assembly with the guide rail according to claim 8, wherein extension blocks (15) which are oppositely arranged are arranged at the lower ends of the left base (11) and the right base (12), spring columns (16) are respectively arranged on the extension blocks (15), one ends of elastic pieces (17) are sleeved on the spring columns (16), the other ends of the elastic pieces are propped against the bottom of the movable tool holder (3) to enable the movable tool (4) to be always attached to the static tool (2), the distance T5 between the two extension blocks (15) is smaller than the width T6 of the movable tool holder (3), and the movable tool (4) and the movable tool holder (3) can swing reciprocally, but are limited axially to form an integral body which can be synchronously installed or detached with the static tool (2) and the static tool holder (1).
  10. 10. A pruning tool characterized by comprising the integrated head assembly with guide rail according to any one of claims 1-9.

Description

Integrated tool bit assembly with guide rail and pruning tool Technical Field The utility model relates to a hair trimming device, in particular to an integrated cutter head assembly with a guide rail and a trimming tool, which are mainly applied to the field of personal care tools such as shavers, shavers and the like. Background The traditional tool bit assembly mainly comprises a static tool and a movable tool, wherein the upper end face of the movable tool is always attached to the bottom end face of the static tool under the action of an elastic piece, and the movable tool is driven by a driving part to swing back and forth along the bottom end face of the static tool, so that hair is trimmed. In order to improve the installation firmness of the static knife, most of the existing static knives are provided with a plane contacted with skin and side surfaces arranged on two sides of the plane, and in the production and assembly process, the two side surfaces of the static knife are connected and fixed with the two side walls of the static knife holder, so that the static knife and the static knife holder form a whole. With this structure, although the installation firmness of the stationary knife can be ensured, there is also a certain disadvantage, for example, two side surfaces of the stationary knife can only be used for fixing the stationary knife, and other functions cannot be performed. The movable knife is always attached to the static knife by means of the elastic force of the spring, the movable knife cannot be guided in the elastic force direction of the spring, the two ends of the guided movable knife can twist when the guided movable knife swings reciprocally, horizontal linear motion in a relative sense cannot be achieved, the two side faces of the existing static knife cannot limit the swing amplitude of the movable knife, if the swing amplitude is too large, the movable knife can strike the static knife seat, working noise of the knife head assembly is improved, and meanwhile hair trimming performance of the knife head assembly can be influenced, and even the knife head assembly is damaged. Disclosure of utility model In order to solve the technical problems, the utility model provides the integrated tool bit assembly with the guide rail and the pruning tool, the tool bit assembly not only can ensure the installation firmness of the static tool, but also can realize the guiding and swing limiting functions, avoid the influence on the hair pruning performance caused by torsion during reciprocating swing, further can realize the maximum limit of the swing of the movable tool, and improve the use safety of the tool bit assembly. The technical scheme includes that the integrated cutter head assembly with the guide rail comprises a static cutter arranged on a static cutter seat and a movable cutter arranged on the movable cutter seat, wherein the movable cutter is contacted with the static cutter under the action of external force and matched with the static cutter to cut hair, the static cutter is sheet-shaped, support pieces with the width smaller than that of the static cutter are fixedly arranged on the bottom end surfaces of the static cutter, the two ends of the support pieces are non-rotatably and detachably inserted into the static cutter seat to enable the static cutter to be connected with the static cutter seat into a whole, at least one side wall of the movable cutter is in point contact or line contact with the side wall of the support piece to enable the support piece to form guide limit on the swing direction of the movable cutter, and a limit mechanism for limiting the movable cutter and/or the movable cutter seat is further arranged in the support piece. Preferably, the support member is hollow frame-shaped when seen in the orthographic projection direction of any one of the two ends of the support member, the movable knife is inverted in a shape like a Chinese character 'ji', and the two side walls of the movable knife are respectively in point contact and/or line contact with the two side walls of the support member. Preferably, a notch is arranged at the bottom of the supporting piece, the bottom of the movable cutter is arranged in the notch, the length of the notch is larger than or equal to the maximum distance of the movable cutter swinging back and forth along the static cutter, and the notch forms a limiting mechanism. Preferably, the outer surface of the static cutter seat is inclined relative to the horizontal extension line of the highest point of the surface of the static cutter seat, the inclination angle S of the outer surface is smaller than 15 degrees, and the outer surface of the supporting piece is inclined and is the same as the inclination angle of the outer surface of the static cutter seat, so that the outer surface of the static cutter mounted on the supporting piece and the outer surface of the static cutter seat are positioned on the horizontal plane w