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CN-224213988-U - Buffer hinge

CN224213988UCN 224213988 UCN224213988 UCN 224213988UCN-224213988-U

Abstract

The utility model discloses a buffer hinge which comprises a hinge cup and a hinge arm, wherein the hinge cup and the hinge arm are hinged through an upper connecting rod and a lower connecting rod, and the upper connecting rod and the lower connecting rod move relative to the hinge cup and the hinge arm so as to realize the opening and closing of the hinge. Wherein, also include the damper; the hinge arm is internally provided with a containing cavity, the damper is rotatably arranged in the containing cavity, the telescopic end of the damper is hinged with the lower connecting rod, and when the hinge is closed, the lower connecting rod can be driven to move so as to drive the telescopic end of the damper to stretch and contract to generate damping effect on the closing of the hinge. Therefore, the buffer hinge disclosed by the utility model has the advantages that the lower connecting rod is directly hinged with the telescopic end of the damper, so that the damping closing of the hinge is realized, the number of parts is reduced, the structure is more compact, the cost is low, and the assembly is convenient.

Inventors

  • SHI YUANFENG
  • ZENG FANYUE
  • ZHANG YAODONG
  • LIANG JIAHAO

Assignees

  • 广东图特精密五金科技股份有限公司

Dates

Publication Date
20260508
Application Date
20250516

Claims (10)

  1. 1. The utility model provides a buffering hinge, its characterized in that includes hinge cup (1) and hinge arm (2), hinge cup (1) with hinge arm (2) are articulated through last connecting rod (3) and lower connecting rod (4), go up connecting rod (3) with lower connecting rod (4) are relative hinge cup (1) with hinge arm (2) motion to realize the switching of hinge, wherein: The hinge arm (2) is internally provided with a containing cavity, the damper (5) is rotatably arranged in the containing cavity, and the telescopic end of the damper (5) is hinged with the lower connecting rod (4); When the hinge is closed, the lower connecting rod (4) can be driven to move, and then the telescopic end (502) of the damper (5) is driven to stretch so as to generate damping effect on the closing of the hinge.
  2. 2. The buffering hinge according to claim 1, further comprising a first pin shaft (7), wherein a first through hole (5021) is formed in the telescopic end (502) of the damper (5), a first hinge hole (4011) is formed in one end, close to the damper (5), of the lower connecting rod (4), and the first pin shaft (7) penetrates through the first through hole (5021) and the first hinge hole (4011) respectively to enable the telescopic end (502) of the damper (5) to be hinged with the lower connecting rod (4).
  3. 3. The buffering hinge according to claim 1 or 2, further comprising a mounting seat (6) fixedly arranged in the accommodating cavity, wherein a mounting cavity is formed in the mounting seat (6), and the fixed end (501) of the damper (5) is arranged in the mounting cavity and hinged with the mounting seat (6).
  4. 4. The buffering hinge according to claim 3, further comprising a second pin shaft (8), wherein a second through hole (5011) is formed in the fixed end (501) of the damper (5), a second hinge hole (6011) is formed in the mounting base (6), and the second pin shaft (8) respectively penetrates through the second through hole (5011) and the second hinge hole (6011) to enable the fixed end (501) of the damper (5) to be hinged with the mounting base (6).
  5. 5. The buffer hinge according to claim 3, further comprising at least two third pin shafts (9) arranged at intervals, wherein third hinge holes (201) corresponding to the third pin shafts (9) are formed in the hinge arms (2), fourth hinge holes (6012) corresponding to the third pin shafts (9) are formed in the mounting base (6), and the third pin shafts (9) respectively penetrate through the third hinge holes (201) and the fourth hinge holes (6012) to achieve connection between the mounting base (6) and the hinge arms (2).
  6. 6. The buffering hinge of claim 5, wherein limiting protruding blocks (6013) are protruding from two outer side walls of the mounting seat (6), and the two limiting protruding blocks (6013) are respectively abutted against two inner side walls of the accommodating cavity to limit movement of the mounting seat (6) along the axis direction of the third pin shaft (9).
  7. 7. The cushion hinge according to claim 1 or 2, further comprising a U-shaped pin (10), the U-shaped pin (10) comprising a first stitch (1001) and a second stitch (1002), wherein: A fifth hinge hole (3011) is formed in one end, close to the hinge cup (1), of the upper connecting rod (3), a sixth hinge hole (101) corresponding to the fifth hinge hole (3011) is formed in the hinge cup (1), and the first pin (1001) respectively penetrates through the fifth hinge hole (3011) and the sixth hinge hole (101) to realize the hinge of the upper connecting rod (3) and the hinge cup (1); A seventh hinge hole (402) is formed in one end, close to the hinge cup (1), of the lower connecting rod (4), an eighth hinge hole (102) corresponding to the seventh hinge hole (402) is formed in the hinge cup (1), and the second pins (1002) respectively penetrate through the seventh hinge hole (402) and the eighth hinge hole (102) to realize hinge connection of the lower connecting rod (4) and the hinge cup (1).
  8. 8. The buffering hinge according to claim 1 or 2, characterized in that it further comprises a fourth pin (11) and a fifth pin (12), wherein: A ninth hinge hole (3012) is formed in one end, close to the hinge arm (2), of the upper connecting rod (3), a tenth hinge hole (202) corresponding to the ninth hinge hole (3012) is formed in the hinge arm (2), and the fourth pin shaft (11) penetrates through the ninth hinge hole (3012) and the tenth hinge hole (202) respectively to realize hinge connection between the upper connecting rod (3) and the hinge arm (2); An eleventh hinge hole (4012) is formed in one end, close to the hinge arm (2), of the lower connecting rod (4), a twelfth hinge hole (203) corresponding to the eleventh hinge hole (4012) is formed in the hinge arm (2), and the fifth pin shaft (12) penetrates through the eleventh hinge hole (4012) and the twelfth hinge hole (203) respectively to realize hinge connection of the lower connecting rod (4) and the hinge arm (2).
  9. 9. The buffering hinge according to claim 8, further comprising a torsion spring (15) sleeved on the fourth pin shaft (11) to provide a hinge closing force, wherein two ends of the torsion spring (15) are abutted against the inner wall of the hinge arm (2), and the middle part of the torsion spring (15) is abutted against the lower connecting rod (4).
  10. 10. The buffering hinge according to claim 9, characterized in that a sixth pin shaft (13) is further arranged on one end, close to the hinge arm (2), of the lower connecting rod (4), a rubber sleeve (14) is sleeved on the sixth pin shaft (13), and the middle part of the torsion spring (15) abuts against the rubber sleeve (14).

Description

Buffer hinge Technical Field The utility model relates to the technical field of hardware accessories, in particular to a buffer hinge. Background In modern daily life, hardware hinges are widely applied to connection and opening and closing mechanisms of various container furniture and electronic equipment. In order to improve the use comfort of the hinge and prolong the service life of the hinge, a buffering hardware hinge is generated, and the buffering hardware hinge is mainly used for realizing stable buffering in the closing process of the hinge by arranging a damper in the hinge arm, so that the hinge is prevented from being closed quickly to cause larger impact and generate larger noise. The existing buffer hinge is complex in structure, and a plurality of transmission parts are required to be arranged to drive the damper to stretch out and draw back, so that the problems of a large number of parts, difficult assembly, high cost and the like are caused. Disclosure of utility model In order to overcome the defects of the prior art, the utility model aims to provide the buffer hinge, which is characterized in that the lower connecting rod is directly hinged with the telescopic end of the damper, so that the damping closure of the hinge is realized, the number of parts is reduced, the structure is more compact, the cost is low, and the assembly is convenient. One of the purposes of the utility model is realized by adopting the following technical scheme: The utility model provides a buffering hinge, includes hinge cup and hinge arm, the hinge cup with hinge arm is articulated through last connecting rod and lower connecting rod between the hinge arm, go up the connecting rod with lower connecting rod is relative the hinge cup with hinge arm motion to realize the switching of hinge, wherein: The hinge arm is internally provided with a containing cavity, the damper is rotatably arranged in the containing cavity, and the telescopic end of the damper is hinged with the lower connecting rod; When the hinge is closed, the lower connecting rod can be driven to move, and the telescopic end of the damper is driven to stretch out and draw back so as to generate damping effect on the closing of the hinge. The telescopic end of the damper is provided with a first through hole, one end of the lower connecting rod, which is close to the damper, is provided with a first hinge hole, and the first pin shaft respectively penetrates through the first through hole and the first hinge hole to realize the hinge joint of the telescopic end of the damper and the lower connecting rod. As an optional implementation manner, the damper further comprises a mounting seat fixedly arranged in the accommodating cavity, a mounting cavity is formed in the mounting seat, and the fixed end of the damper is arranged in the mounting cavity and hinged with the mounting seat. The damper is characterized by further comprising a second pin shaft, wherein a second through hole is formed in the fixed end of the damper, a second hinge hole is formed in the mounting seat, and the second pin shaft penetrates through the second through hole and the second hinge hole respectively to realize hinge connection between the fixed end of the damper and the mounting seat. As an optional implementation manner, the hinge arm further comprises at least two third hinge pins which are arranged at intervals, third hinge holes corresponding to the third hinge pins are formed in the hinge arm, fourth hinge holes corresponding to the third hinge pins are formed in the mounting seat, and the third hinge pins respectively penetrate through the third hinge holes and the fourth hinge holes to realize connection of the mounting seat and the hinge arm. As an optional implementation manner, two outer side walls of the mounting seat are provided with limiting protruding blocks in a protruding mode, and the two limiting protruding blocks are respectively abutted to two inner side walls of the accommodating cavity to limit movement of the mounting seat along the axis direction of the third pin shaft. As an alternative embodiment, further comprising a U-shaped needle comprising a first stitch and a second stitch, wherein: A fifth hinge hole is formed in one end, close to the hinge cup, of the upper connecting rod, a sixth hinge hole corresponding to the fifth hinge hole is formed in the hinge cup, and the first stitch penetrates through the fifth hinge hole and the sixth hinge hole respectively to realize the hinge of the upper connecting rod and the hinge cup; A seventh hinge hole is formed in one end, close to the hinge cup, of the lower connecting rod, an eighth hinge hole corresponding to the seventh hinge hole is formed in the hinge cup, and the second stitch penetrates through the seventh hinge hole and the eighth hinge hole respectively to realize hinge connection of the lower connecting rod and the hinge cup. As an alternative embodiment, further comprising a fourth pin