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CN-224228474-U - Pulley hinge structure and folding door thereof

CN224228474UCN 224228474 UCN224228474 UCN 224228474UCN-224228474-U

Abstract

The utility model relates to the technical field of folding doors, in particular to a pulley hinge structure and a folding door thereof, wherein the pulley hinge structure comprises a pulley seat, a guide pulley and a pulley, at least one guide pulley plate for installing the guide pulley is arranged on the front end surface of the pulley seat, a connecting plate for installing the pulley is arranged on the front end surface of the pulley seat, the horizontal height of the connecting plate is not higher than that of the guide pulley plate, the guide pulley is rotatably installed on the guide pulley plate, clamping blocks are respectively arranged at the upper end and the lower end of the guide pulley, the pulley is rotatably installed on the connecting plate, the width of the left side and the right side of the guide pulley is equal to the diameter of the pulley, the guide pulley is rotatable through the pulley hinge structure, and the clamping blocks at the guide pulley are clamped on a slide rail, so that the pulley can slide at the slide rail.

Inventors

  • HU SHENCI

Assignees

  • 湖北神冈智能科技有限公司

Dates

Publication Date
20260512
Application Date
20241231

Claims (10)

  1. 1. The utility model provides a pulley hinge structure, its characterized in that, pulley (3) hinge structure includes pulley seat (1), guide pulley (2) and pulley (3), the preceding terminal surface of pulley seat (1) is provided with at least one department and is used for installing guide pulley board (11) of guide pulley (2), the preceding terminal surface of pulley seat (1) is provided with at least one department and is used for installing connecting plate (12) of pulley (3), the level of connecting plate (12) is not higher than guide pulley board (11), guide pulley (2) rotationally install guide pulley board (11), the upper and lower both ends of guide pulley (2) are equipped with joint piece (21) respectively, pulley (3) rotationally install connecting plate (12), the width size of guide pulley (2) left and right sides with pulley (3) diameter size equals.
  2. 2. The pulley hinge structure according to claim 1, further comprising a sliding rail (4), wherein a hollow inner hole (41) is formed in the sliding rail (4), a through groove (42) is formed in the lower end face of the sliding rail (4) and is communicated with the hollow inner hole (41), and the groove width of the through groove (42) is equal to the diameter of the pulley (3).
  3. 3. Pulley hinge structure according to claim 2, characterized in that the upper end of the pulley seat (1) is inserted with the through groove (42) so that the guide pulley (2) is located in the hollow inner hole (41), and the pulley surfaces of the pulley (3) respectively abut against the groove surfaces on two sides of the through groove (42).
  4. 4. Pulley hinge structure according to claim 1, characterized in that the guide pulley plate (11) is integrally formed with the connecting plate (12).
  5. 5. A pulley hinge structure according to claim 3, characterized in that the pulley seat (1) comprises a mounting seat (5), the right end face of the mounting seat (5) being hinged to the left end face of the pulley seat (1).
  6. 6. Pulley hinge structure according to claim 5, characterized in that the mounting seat (5) comprises a hinge joint (51) and an ear plate (52), the right end face of the hinge joint (51) is hinged to the left end face of the pulley seat (1), and the ear plate (52) is mounted on the right end face of the hinge joint (51).
  7. 7. A folding door comprising the pulley hinge structure according to claim 6, wherein the sliding rail (4) is transversely arranged above the folding door, the folding door comprises a first door plate (6) and a second door plate (7), the first door plate (6) is hinged to the second door plate (7), and the ear plate (52) is detachably mounted on the rear end face of the first door plate (6).
  8. 8. The folding door according to claim 7, wherein the first door panel (6) is provided with a hidden hole (61) near the rear end face of the hinge joint (51), and the hinge joint (51) is sleeved with the hidden hole (61) so that the left end face of the ear panel (52) abuts against the rear end face of the first door panel (6).
  9. 9. A folding door according to claim 7, characterized in that the second door panel (7) is provided with an armrest (71), which armrest (71) is detachably mounted on the front end surface of the second door panel (7).
  10. 10. A folding door according to claim 7, characterized in that the folding door is provided with at least one set of spring hinges (72), which spring hinges (72) are detachably connected to the hinge points of the folding door.

Description

Pulley hinge structure and folding door thereof Technical Field The utility model relates to the technical field of folding doors, in particular to a pulley hinge structure and a folding door thereof. Background The folding door is a convenient door product capable of saving space, each door body is connected through the hinge, the folding of each door body is high in space utilization rate, occupied space of the door can be saved, and the hanging wheel and the rail are arranged to be matched with each other, so that each door body is smoother and more convenient to move. The Chinese patent (issued publication number: CN 208137762U) discloses a folding door with a sliding function, which comprises an A sliding door, a B sliding door and a C sliding door, wherein hinges are respectively arranged between the A sliding door and the B sliding door and between the B sliding door and the C sliding door, bottom wheels are respectively arranged at the bottoms of the A sliding door, the B sliding door and the C sliding door, each bottom wheel group comprises a metal pulley, a metal support and a first connecting rod, the metal pulleys are connected with the metal support through pins, the upper end of each metal support is sleeved with the first bearing, the outer wall of each first bearing is sleeved with the first connecting rod, the bottom wheel group is provided with a lower sliding rail, hanging wheels are respectively arranged at the tops of the A sliding door, the B sliding door and the C sliding door, and upper hanging rails are respectively arranged at the upper ends of the hanging wheels. However, when actually installing the hanging wheel set, an operator needs to insert the hanging wheel into the hanging rail after aligning the hanging wheel with the hanging rail, so that the hanging wheel set can slide at the guide rail. Disclosure of utility model The utility model aims to overcome the defects of the prior art and provides a pulley hinge structure and a technical scheme for solving the problems of the pulley hinge structure and a folding door. The utility model provides a pulley hinge structure, pulley hinge structure includes pulley seat, guide pulley and pulley, the preceding terminal surface of pulley seat is provided with at least one department and is used for installing the guide pulley board of guide pulley, the preceding terminal surface of pulley seat is provided with at least one department and is used for installing the connecting plate of pulley, the level of connecting plate is not higher than the guide pulley board, the guide pulley rotatably installs the guide pulley board, the upper and lower both ends of guide pulley are equipped with the joint piece respectively, the pulley rotatably installs the connecting plate, the width size of guide pulley left and right sides with pulley diameter size equals. As a further scheme of the utility model, the pulley hinge structure further comprises a sliding rail, wherein a hollow inner hole is formed in the sliding rail, a through groove is formed in the lower end face of the sliding rail and is communicated with the hollow inner hole, and the groove width of the through groove is equal to the diameter of the pulley. As a further scheme of the utility model, the upper end of the pulley seat is inserted with the through groove so that the guide pulley is positioned in the hollow inner hole, and the pulley surfaces of the pulleys respectively prop against the groove surfaces at two sides of the through groove. As a further scheme of the utility model, the guide wheel plate and the connecting plate are integrally formed. As a further scheme of the utility model, the pulley seat comprises an installation seat, and the right end face of the installation seat is hinged with the left end face of the pulley seat. As a further scheme of the utility model, the mounting seat comprises a hinge joint and an ear plate, the right end face of the hinge joint is hinged with the left end face of the pulley seat, and the ear plate is mounted on the right end face of the hinge joint. As a further scheme of the utility model, the folding door comprises the pulley hinge structure, the sliding rail is transversely arranged above the folding door, the folding door comprises a first door plate and a second door plate, the first door plate is hinged with the second door plate, and the lug plate is detachably arranged on the rear end face of the first door plate As a further scheme of the utility model, the first door plate is provided with a hidden hole near the rear end face of the hinge joint, and the hidden hole is sleeved with the hinge joint so that the left end face of the ear plate abuts against the rear end face of the first door plate. As a further proposal of the utility model, the second door panel is provided with an armrest which is detachably arranged on the front end surface of the second door panel. As a further scheme of the utility model, the folding door