CN215255515U

CN215255515U - Buffer structure of cabinet door support

Info

Publication number: CN215255515U
Application number: CN202120386365.8U
Authority: CN
Inventors: 黄添辉
Original assignee: Zhaoqing Gaoyao Youke Metal Products Co ltd
Current assignee: Zhaoqing Gaoyao Youke Metal Products Co ltd
Priority date: 2021-02-22
Filing date: 2021-02-22
Publication date: 2021-12-21
Anticipated expiration: 2031-02-22

Abstract

The utility model provides a buffer structure of a cabinet door support, which comprises a shell and a door support device arranged on the shell, wherein the door support device comprises a front support arm, a main support arm, a front swing arm, a rear swing arm, a front connecting rod, a rear connecting rod and a connecting arm, the upper left end of the shell is provided with a damping device, the left side of the rear swing arm is provided with a buffer mechanism corresponding to the damping device, the buffer mechanism comprises a connecting part and a buffer part, the front side and the rear side of the connecting part are fixedly connected with the rear swing arm, the connecting part is bent downwards and extends to form a buffer part, a gap is formed between the buffer part and the rear swing arm, when the rear swing arm rotates, the buffer part is contacted and collided with the damping device, the buffer part can reduce the acting force of the damping device through the gap, thereby having good buffer effect, and meanwhile, the buffer mechanism and the rear swing arm are of an integrated structure, the production and the assembly are convenient, and the structural strength is high, the service life is long.

Description

Buffer structure of cabinet door support

Technical Field

The utility model relates to a cabinet door accessory field especially relates to a buffer structure that cabinet door propped.

Background

At present, a cabinet door support generally comprises a connecting arm assembly, a damping buffer device and a fixed shell, wherein the connecting arm assembly is provided with a first connecting arm, a second connecting arm, a third connecting arm, a fourth connecting arm and a middle arm, the damping buffer device is provided with a swing rod element, a lever element and a damping damper, and all the components are arranged on a fixed seat through an assembling mode disclosed by the technical scheme. Because the damping damper is hinged with the lever element, and the connecting arm component and the damping buffer device have interaction. Thus, it is often necessary to compress or stretch the cushion damper when assembling the damped hover structure. Since the compression and the extension of the buffer damper require large force to be applied, it brings much inconvenience to the assembly of the damping hovering structure, which may result in the reduction of the assembly efficiency of the damping hovering structure. Meanwhile, one of the rear swing arms is in contact with the buffer damper for buffering, and in the using process, the rear swing arm generally can receive large acting force, and the rear swing arm is easy to damage after being used for a long time, so that the service life of the damping hovering structure can be influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides a buffer structure of a cabinet door support, comprising a housing and a door support device mounted on the housing, wherein the door support device comprises a front support arm, a main support arm, a front swing arm, a rear swing arm, a front connecting rod, a rear connecting rod and a connecting arm, the right end of the front support arm is hinged with the left end of the connecting arm, the left end of the front support arm is hinged with the lower end of the front swing arm, the upper end of the front swing arm is hinged with the housing, the right end of the main support arm is hinged with the middle left end of the connecting arm, the middle end of the main support arm is hinged with the middle end of the front swing arm, the right end of the main support arm is hinged with the lower end of the rear swing arm, the upper end of the rear swing arm is hinged with the housing, the middle end of the rear swing arm is hinged with the upper end of the front connecting rod, the lower end of the front connecting rod is hinged with the upper end of the rear connecting rod, the damping device is arranged at the upper left end of the shell, a buffer mechanism is arranged on the left side of the rear swing arm corresponding to the damping device and comprises a connecting portion and a buffer portion, the front side and the rear side of the connecting portion are fixedly connected with the rear swing arm, the connecting portion is bent downwards and extends to form the buffer portion, and a gap is formed between the buffer portion and the rear swing arm.

Furthermore, the connecting part and the buffering part are provided with buffering bumps, and the buffering bumps extend from the middle part of the connecting part to the tail end of the buffering part.

Furthermore, the damping device comprises a positioning seat, a limiting cover, a damper and an impact sleeve, wherein the positioning seat is matched and fixed with the limiting cover, the positioning seat and the limiting cover are fixed on the shell, the impact sleeve is sleeved on the damper along the length direction of the impact sleeve, the positioning seat and the limiting cover are provided with a positioning groove matched and installed with the impact sleeve, the head end of the impact sleeve penetrates through the positioning groove, and the head end of the impact sleeve abuts against the buffering convex block.

Further, striking telescopic head end side and being provided with first stopper, the both sides of first stopper are equipped with spacing bump, it is equipped with the spacing logical groove that is the slope form to correspond spacing bump on the casing.

Furthermore, a second limiting block is arranged at the tail end of the impact sleeve, and a limiting sliding groove in sliding fit with the second limiting block is formed in the wall surface of the positioning groove.

Furthermore, the door brace mechanism further comprises a spring, one end of the spring is hinged to the joint of the front connecting rod and the rear connecting rod, and the other end of the spring is hung on the adjusting mechanism.

Furthermore, the adjusting mechanism comprises a seat body, an adjusting screw rod and a sliding block, wherein a guide groove is formed in the seat body, a hook portion is arranged on the sliding block, the sliding block is arranged in the guide groove in a sliding mode, the other end of the spring is hung on the hook portion, the adjusting screw rod is rotatably arranged on the seat body, the adjusting screw rod penetrates through the guide groove along the length direction, and the adjusting screw rod is in threaded connection with the sliding block.

Further, a quick-mounting device is mounted on the connecting arm.

Compared with the prior art, the beneficial effects of the utility model are that: the damping device is arranged on the left side of the rear swing arm correspondingly, the connecting part of the damping mechanism is used for fixedly connecting the rear swing arm, the buffering part is formed by bending downwards, the buffering part is a sheet-shaped body and has a certain gap with the rear swing arm, the buffering part is contacted and collided with the damping device when the rear swing arm rotates, the buffering part can reduce the acting force of the damping device through the gap, the buffering effect is good, meanwhile, the buffering mechanism and the rear swing arm are of an integrally formed structure, the damping device is convenient to produce and assemble, the structural strength is high, and the service life is long.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the split structure of the present invention.

Fig. 3 is an exploded schematic view of the present invention.

Fig. 4 is a schematic front view of the present invention.

Fig. 5 is a schematic view of the closed state of the present invention.

Fig. 6 is a schematic structural view of the middle rear swing arm of the present invention.

Fig. 7 is an exploded schematic view of the damping device of the present invention.

Fig. 8 is a schematic structural diagram of the adjusting mechanism of the present invention.

Fig. 9 is a schematic view of the usage state of the present invention.

In the figure: the device comprises a shell 1, a limiting through groove 101, a damping device 2, a positioning seat 21, a positioning groove 211, a limiting sliding groove 212, a limiting cover 22, a damper 23, an impact sleeve 24, a first limiting block 241, a limiting salient point 242, a second limiting block 243, a door supporting device 3, a front supporting arm 31, a main supporting arm 32, a front swing arm 33, a rear swing arm 34, a connecting part 341, a buffering part 342, a gap 343, a buffering convex block 344, a front connecting rod 35, a rear connecting rod 36, a connecting arm 37, a spring 38, an adjusting mechanism 4, a seat body 41, a guide groove 411, an adjusting screw 42, a sliding block 43, a hook part 431 and a quick assembly device 5.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

in the description of the present invention, it is to be understood that the terms "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "inner," and the like are used in the orientation or positional relationship indicated in the drawings, merely for the purpose of describing the invention and simplifying the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention; furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated; thus, the definitions "first" and "second" are for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly including one or more of such features.

Referring to fig. 1 to 9, the present invention provides a buffering structure for a door brace of a cabinet door, including a housing 1 and a door brace 3 installed on the housing 1, the door brace 3 includes a front support arm 31, a main support arm 32, a front swing arm 33, a rear swing arm 34, a front connecting rod 35, a rear connecting rod 36 and a connecting arm 37, the right end of the front support arm 31 is hinged to the left end of the connecting arm 37, the left end of the front support arm 31 is hinged to the lower end of the front swing arm 33, the upper end of the front swing arm 33 is hinged to the housing 1, the right end of the main support arm 32 is hinged to the middle left end of the connecting arm 37, the middle end of the main support arm 32 is hinged to the middle end of the front swing arm 33, the right end of the main support arm 32 is hinged to the lower end of the rear swing arm 34, the upper end of the rear swing arm 34 is hinged to the housing 1, the middle end of the rear swing arm 34 is hinged to the upper end of the front connecting rod 35, the lower end of the front connecting rod 35 is hinged to the upper end of the rear connecting rod 36, the lower end of the rear connecting rod 36 is hinged to the casing 1, the damping device 2 is arranged at the upper left end of the casing 1, the buffer mechanism is arranged on the left side of the rear swing arm 34 corresponding to the damping device 2 and comprises a connecting portion 341 and a buffer portion 342, the front side and the rear side of the connecting portion 341 are fixedly connected with the rear swing arm 34, the connecting portion 341 is bent downwards and extends to form the buffer portion 342, and a gap 343 is formed between the buffer portion 342 and the rear swing arm 34.

In this embodiment, the connection portion 341 and the buffer portion 342 are provided with a buffer bump 344, and the buffer bump 344 extends from the middle of the connection portion 341 to the end of the buffer portion 342.

In this embodiment, the damping device 2 includes a positioning seat 21, a limiting cover 22, a damper 23 and an impact sleeve 24, the positioning seat 21 is fixed to the limiting cover 22 in a matching manner, and is fixed to the housing 1, the impact sleeve 24 is sleeved on the damper 23 along the length direction thereof, positioning grooves 211 for cooperatively mounting the impact sleeve 24 are formed in the positioning seat 21 and the limiting cover 22, the head end of the impact sleeve 24 penetrates through the positioning grooves 211, and the head end of the impact sleeve 24 abuts against the buffering protrusion 344.

In this embodiment, the side of the head end of the striking sleeve 24 is provided with a first limiting block 241, two sides of the first limiting block 241 are provided with limiting protruding points 242, and the housing 1 is provided with a limiting through groove 101 corresponding to the limiting protruding points 242.

In this embodiment, the rear end of the striking sleeve 24 is provided with a second limiting block 243, and the wall surface of the positioning groove 211 is provided with a limiting sliding groove 212 in sliding fit with the second limiting block 243.

In this embodiment, the door brace mechanism further includes a spring 38, one end of the spring 38 is hinged to the connection position of the front connecting rod 35 and the rear connecting rod 36, and the other end is hung on the adjusting mechanism 6.

In this embodiment, the adjusting mechanism 4 includes a seat body 41, an adjusting screw 42 and a slide block 43, a guide slot 411 is formed on the seat body 41, a hook portion 431 is formed on the slide block 43, the slide block 43 is slidably disposed in the guide slot 411, the other end of the spring 38 is hung on the hook portion 431, the adjusting screw 42 is rotatably mounted on the seat body 41, the adjusting screw 42 is inserted in the guide slot 411 along the length direction, and the adjusting screw 42 is screwed with the slide block 43.

In this embodiment, the connecting arm 37 is provided with the quick-mounting device 5.

The utility model discloses a leading principle: be equipped with buffer gear through corresponding damping device 2 on the left side of back swing arm 34, wherein buffer gear's connecting portion 341 is used for fixed connection back swing arm 34, buffer 342 is formed by bending down, wherein buffer 342 is a slice body, and certain gap 343 has between back swing arm 34, buffer 342 collides with damping device 2 contact when back swing arm 34 rotates, buffer 342 passes through the reducible effort that receives damping device 2 of gap 343, can play fine cushioning effect, this buffer gear is the integrated into one piece structure with back swing arm 34 simultaneously, production, convenient assembling, structural strength is high, long service life.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a buffer structure that cabinet door propped which characterized in that: comprises a shell (1) and a door supporting device (3) arranged on the shell (1), wherein the door supporting device (3) comprises a front supporting arm (31), a main supporting arm (32), a front swing arm (33), a rear swing arm (34), a front connecting rod (35), a rear connecting rod (36) and a connecting arm (37), the right end of the front supporting arm (31) is hinged with the left end of the connecting arm (37), the left end of the front supporting arm (31) is hinged with the lower end of the front swing arm (33), the upper end of the front swing arm (33) is hinged on the shell (1), the right end of the main supporting arm (32) is hinged with the middle left end of the connecting arm (37), the middle end of the main supporting arm (32) is hinged with the middle end of the front swing arm (33), the right end of the main supporting arm (32) is hinged with the lower end of the rear swing arm (34), and the upper end of the rear swing arm (34) is hinged on the shell (1), the middle end of the rear swing arm (34) is hinged to the upper end of the front connecting rod (35), the lower end of the front connecting rod (35) is hinged to the upper end of the rear connecting rod (36), the lower end of the rear connecting rod (36) is hinged to the shell (1), the upper left end of the shell (1) is provided with a damping device (2), a buffer mechanism is arranged on the left side of the rear swing arm (34) corresponding to the damping device (2) and comprises a connecting portion (341) and a buffer portion (342), the front side and the rear side of the connecting portion (341) are fixedly connected with the rear swing arm (34), the connecting portion (341) is bent downwards to extend to form the buffer portion (342), and a gap (343) is formed between the buffer portion (342) and the rear swing arm (34).

2. The buffering structure of the door stay of the cabinet door according to claim 1, wherein: the connecting part (341) and the buffer part (342) are provided with buffer bumps (344), and the buffer bumps (344) extend from the middle part of the connecting part (341) to the tail end of the buffer part (342).

3. The buffering structure of the door stay of the cabinet door according to claim 2, wherein: damping device (2) are including positioning seat (21), spacing lid (22), attenuator (23) and striking sleeve (24), positioning seat (21) are fixed with spacing lid (22) looks adaptation, and all fix on casing (1), striking sleeve (24) are established on attenuator (23) along its length direction cover, set up the cooperation installation on positioning seat (21) and spacing lid (22) constant head tank (211) of striking sleeve (24), the head end of striking sleeve (24) is worn to arrange outside constant head tank (211), and the head end top of striking sleeve (24) leans on buffering lug (344).

4. The buffering structure of the door stay of the cabinet door according to claim 3, wherein: the side face of the head end of the impact sleeve (24) is provided with a first limiting block (241), two sides of the first limiting block (241) are provided with limiting convex points (242), and a limiting through groove (101) which is inclined is formed in the shell (1) corresponding to the limiting convex points (242).

5. The buffering structure of the door stay of the cabinet door according to claim 3, wherein: the tail end of the impact sleeve (24) is provided with a second limiting block (243), and the wall surface of the positioning groove (211) is provided with a limiting sliding groove (212) in sliding fit with the second limiting block (243).

6. The buffering structure of the door stay of the cabinet door according to claim 1, wherein: the door bracing mechanism further comprises a spring (38), one end of the spring (38) is hinged to the joint of the front connecting rod (35) and the rear connecting rod (36), and the other end of the spring is hung on the adjusting mechanism (4).

7. The buffering structure of the door stay of the cabinet door according to claim 6, wherein: adjustment mechanism (4) include pedestal (41), adjusting screw (42) and slider (43), guide way (411) have been seted up on pedestal (41), be equipped with couple portion (431) on slider (43), slider (43) slide to set up in guide way (411), the dress is hung on couple portion (431) to spring (38) other end, adjusting screw (42) can be installed on pedestal (41) with rotating, and this adjusting screw (42) wear to arrange in guide way (411) along length direction, and adjusting screw (42) and slider (43) looks spiro union.

8. The buffering structure of the door stay of the cabinet door according to claim 1, wherein: and the connecting arm (37) is provided with a quick-mounting device (5).