CN216875634U

CN216875634U - Damping buffer device

Info

Publication number: CN216875634U
Application number: CN202123316026.1U
Authority: CN
Inventors: 卢超
Original assignee: Foshan Shunde Xinxuteng Technology Co ltd
Current assignee: Foshan Shunde Xinxuteng Technology Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-07-05
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a damping buffer device which comprises a fixed seat, a moving part, an elastic connecting piece and a damper, wherein the damper comprises a cylinder body and a telescopic rod, a cylinder body installation part is arranged on the fixed seat, a telescopic rod installation part is arranged on the moving part, the telescopic rod installation part is connected with the telescopic rod through a detachable connecting mechanism, the detachable connecting mechanism comprises a clamping groove arranged on the telescopic rod and a clamping convex ridge arranged on the telescopic rod installation part, the clamping convex ridge is in clamping fit with the clamping groove, and an anti-falling convex part in interference fit with the clamping groove is further arranged on the clamping convex ridge. The damping buffer device is simple in structure, convenient and fast to assemble and capable of effectively improving the use stability.

Description

Damping buffer device

Technical Field

The utility model relates to the technical field of spring damping, in particular to a damping buffer device.

Background

At present, for the convenience of drawing out the drawer, the left and right sides of the drawer is connected with the inner wall of the cabinet body through a sliding rail in an installing manner, in order to avoid the drawer from colliding the cabinet body when being closed, damping devices are arranged in some sliding rails, the damping devices mainly play a damping and buffering role and enable the drawer to slowly retract, and therefore the drawer is prevented from colliding the cabinet body. But the positioning effect between current attenuator and the moving part is poor, because heavier article have been placed to the drawer, removes the atress condition of in-process at the moving part and is complicated, has moment of flexure between moving part and the fixing base, when retrieving the drawer through the pulling force of spring, leads to the telescopic link of attenuator to deviate from the moving part easily, and the buffering effect is invalid, and the stability in use is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of overcoming the defects in the prior art and provides the damping buffer device which is simple in structure, convenient and quick to assemble and capable of effectively improving the use stability.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a damping buffer device comprises a fixed seat, a moving part, an elastic connecting piece and a damper, wherein the moving part is connected to the fixed seat in a sliding manner, the elastic connecting piece is used for driving the moving part to reset, the damper is used for providing resetting resistance, the damper comprises a cylinder body and a telescopic rod, a cylinder body installation part is arranged on the fixed seat and used for installing the cylinder body, a telescopic rod installation part is arranged on the moving part and used for installing the telescopic rod, and the telescopic rod installation part is connected with the telescopic rod through a detachable connection mechanism so that the reciprocating sliding direction of the moving part is the same as the telescopic direction of the telescopic rod;

can dismantle coupling mechanism including set up in screens recess on the telescopic link and set up in the protruding stupefied of screens on the telescopic link installation department, the protruding stupefied of screens with the cooperation of screens recess joint, the protruding stupefied of screens still be provided with screens recess interference fit's anticreep convex part.

As a further improvement of the above technical solution:

the number of the clamping convex ridges is two, the two clamping convex ridges are oppositely arranged on the inner wall of the telescopic rod mounting part, and a U-shaped limiting cavity for limiting the swing amplitude of the telescopic rod is formed between the clamping convex ridges; the screens recess is the ring form.

The anticreep convex part set up in the opening part in the spacing chamber of U type, the anticreep convex part with the shaping is used for guiding between the protruding stupefied of screens the screens recess slips into or roll-off the chamfer in the spacing chamber of U type.

The telescopic link installation department the screens protruding stupefied the anticreep convex part with chamfer portion integrated into one piece sets up.

Be provided with the slide plate portion on the moving part, be provided with on the fixing base and be used for holding the chamber that holds of slide plate portion, the slide plate portion with hold and pass through sliding mechanism sliding connection between the chamber.

The sliding mechanism comprises guide rail parts arranged on two sides of the sliding plate part and sliding chutes arranged on two sides of the inner part of the accommodating cavity, and the guide rail parts are in sliding connection with the sliding chutes.

And a locking mechanism used for keeping the movable piece in an extending state away from the fixed seat is arranged between the sliding plate part and the accommodating cavity.

Locking mechanism include the locking piece, set up in hold main slide on the chamber outer wall and set up in the connecting hole of slide tip, the locking piece include the base plate, set up in round pin axle and card post on the base plate, round pin axle with rotatable mode with connecting hole adaptation is connected, but the card post with slidable mode with main slide adaptation is connected, the tip of main slide be formed with be used for with card post joint is so that the moving part keeps ending the position groove at the extension state.

The pin shaft is arranged on one side face of the substrate, and the clamping column is arranged on the other side face of the substrate.

The stop groove is formed with a guide portion used for guiding the clamping column to slide into the stop groove from the main slideway, and a locking portion used for being abutted to the clamping column to enable the clamping column to keep static.

The elastic connecting piece is a spring, one end of the spring is connected to the fixed seat in a detachable mode, and the other end of the spring is connected to the moving piece in a detachable mode.

Compared with the prior art, the utility model has the advantages that:

the damping buffer device comprises a fixed seat and a movable part, wherein the movable part can slide on the fixed seat in a reciprocating manner, two ends of an elastic connecting piece are respectively connected with the fixed seat and the movable part and are used for driving the movable part to reset, two ends of a damper are respectively connected with the fixed seat and the movable part and are used for providing reset resistance so as to prevent the movable part from impacting and damaging the movable part and the fixed seat too quickly after resetting, the damper comprises a cylinder body and a telescopic rod, a clamping convex edge is arranged in a telescopic rod mounting part on the movable part, an anti-falling convex part is also arranged on the clamping convex edge, a clamping groove is arranged on the telescopic rod, when the damper and the movable part are assembled, the clamping groove on the telescopic rod is arranged on the anti-falling convex part, a contact point of the clamping groove and the anti-falling convex part is taken as a fulcrum, and the clamping groove can pass through the anti-falling convex part by applying smaller force on the cylinder body by utilizing the lever principle, so that protruding stupefied and the cooperation of screens recess joint of screens, thereby make the convenient assembling of attenuator swift, can realize rapid Assembly, moreover because interference fit between anticreep convex part and the screens recess, under the telescopic link is in extending state, even the slight bending deformation takes place for the moving part, the telescopic link can not deviate from the telescopic link installation department yet and cause the buffer failure, effectively improves stability in use, guarantees the function normal of attenuator.

Drawings

Fig. 1 is a schematic perspective view of a damping and cushioning device.

Fig. 2 is a schematic perspective view of the damping buffer device in an extended state.

Fig. 3 is an enlarged view of detail a in fig. 2.

Fig. 4 is another perspective exploded view of the damping cushion device.

Fig. 5 is an enlarged view of detail B in fig. 4.

Fig. 6 is an enlarged view of detail C in fig. 4.

Fig. 7 is a schematic structural diagram of the locking member.

Illustration of the drawings:

1. a fixed seat; 101. a cylinder body mounting portion; 102. an accommodating chamber; 2. a movable member; 201. a telescopic rod mounting part; 202. a slide plate portion; 3. an elastic connecting member; 4. a damper; 401. a cylinder body; 402. a telescopic rod; 5. a detachable connection mechanism; 501. a clamping groove; 502. a clamping convex edge; 503. an anti-drop convex part; 504. a U-shaped limiting cavity; 505. chamfering the corner; 6. a sliding mechanism; 601. a guide rail portion; 602. a chute; 7. a locking mechanism; 701. a locking member; 7011. a substrate; 7012. a pin shaft; 7013. clamping the column; 702. a main slideway; 703. connecting holes; 704. a stop groove; 7041. a guide portion; 7042. a locking portion.

Detailed Description

The utility model is described in further detail below with reference to the figures and specific examples.

As shown in fig. 1 and fig. 2, the damping and buffering device of the present embodiment includes a fixed base 1, a movable member 2 slidably connected to the fixed base 1, an elastic connecting member 3 for driving the movable member 2 to reset, and a damper 4 for providing a reset resistance, where the damper 4 includes a cylinder 401 and an expansion link 402, the fixed base 1 is provided with a cylinder mounting portion 101 for mounting the cylinder 401, the movable member 2 is provided with an expansion link mounting portion 201 for mounting the expansion link 402, and the expansion link mounting portion 201 is connected to the expansion link 402 through a detachable connection mechanism 5 so that a reciprocating sliding direction of the movable member 2 is the same as an expansion direction of the expansion link 402; detachable connecting mechanism 5 is including setting up screens recess 501 on telescopic link 402 and setting up the protruding stupefied 502 of screens on telescopic link installation department 201, and the protruding stupefied 502 of screens cooperates with screens recess 501 joint, still is provided with on the protruding stupefied 502 of screens and screens recess 501 interference fit's anticreep convex part 503. The damping and buffering device comprises a fixed seat 1 and a movable part 2, the movable part 2 can slide on the fixed seat 1 in a reciprocating manner, two ends of an elastic connecting piece 3 are respectively connected with the fixed seat 1 and the movable part 2 to drive the movable part 2 to reset, two ends of a damper 4 are respectively connected with the fixed seat 1 and the movable part 2 to provide reset resistance to prevent the movable part 2 from impacting and damaging the movable part 2 and the fixed seat 1 too quickly after resetting, the damper 4 comprises a cylinder body 401 and a telescopic rod 402, wherein a clamping convex edge 502 is arranged in a telescopic rod installation part 201 on the movable part 2, an anti-falling convex part 503 is also arranged on the clamping convex edge 502, a clamping groove 501 is arranged on the telescopic rod 402, when the damper 4 and the movable part 2 are assembled, the clamping groove 501 on the telescopic rod 402 is arranged on the anti-falling convex part 503, a contact point of the clamping groove 501 and the anti-falling convex part 503 is used as a fulcrum, and the clamping groove 501 can pass through the anti-falling convex part 503 only by applying a small force on the cylinder body 401 by utilizing a lever principle, so that protruding stupefied 502 of screens and the cooperation of screens recess 501 joint, thereby make attenuator 4's convenient assembling swift, can realize rapid Assembly, and because interference fit between anticreep convex part 503 and the screens recess 501, be in under the extended state at telescopic link 402, even slight bending deformation takes place for moving part 2, telescopic link 402 can not deviate from telescopic link installation department 201 yet and cause the buffering inefficacy, effectively improve stability in use, guarantee attenuator 4's function normal.

Preferably, the number of the clamping convex ridges 502 is two, the two clamping convex ridges 502 are oppositely arranged on the inner wall of the telescopic rod mounting part 201, and a U-shaped limiting cavity 504 for limiting the swing amplitude of the telescopic rod 402 is formed between the clamping convex ridges 502; the retaining groove 501 is circular. In this embodiment, the clamping groove 501 is circular, a U-shaped limiting cavity 504 is formed between the two clamping ridges 502, and the clamping ridges 502 can be clamped with the clamping groove 501 in the directions of two sides to limit the swinging of the telescopic rod 402 towards two sides.

Preferably, the anti-slip convex part 503 is disposed at an opening of the U-shaped limiting cavity 504, and a chamfer part 505 for guiding the blocking groove 501 to slide into or out of the U-shaped limiting cavity 504 is formed between the anti-slip convex part 503 and the blocking convex edge 502. In this embodiment, the chamfer portion 505 can make the connection transition between the anti-falling convex portion 503 and the clamping convex edge 502 smoother, and in the process of mounting or dismounting the telescopic rod 402, the clamping groove 501 can smoothly pass through the anti-falling convex portion 503 in interference fit with the chamfer portion 505, so that the convenience of the mounting and dismounting process is further improved.

Preferably, telescopic link installation department 201, the protruding stupefied 502 of screens, anticreep convex part 503 and chamfer portion 505 integrated into one piece set up, through mould casting integrated into one piece, not only greatly reduced cost of manufacture has improved overall structure's structural strength height moreover, and each part protecting against shock destroys the ability reinforce, effective increase of service life.

Preferably, the movable member 2 is provided with a sliding plate portion 202, the fixed seat 1 is provided with an accommodating cavity 102 for accommodating the sliding plate portion 202, and the sliding plate portion 202 and the accommodating cavity 102 are slidably connected through a sliding mechanism 6. In this embodiment, the sliding plate portion 202 of the movable element 2 is slidably connected to the accommodating cavity 102 of the fixing base 1, and the accommodating cavity 102 can guide the sliding plate portion 202 to prevent the movable element 2 from shifting during the movement process of outward extension or inward return.

Preferably, the sliding mechanism 6 includes guide rail portions 601 disposed on both sides of the sliding plate portion 202 and sliding grooves 602 disposed on both sides inside the accommodating cavity 102, and the guide rail portions 601 are in sliding contact with the sliding grooves 602. In this embodiment, the sliding mechanism 6 adopts a form that the guide rail portion 601 is in sliding contact with the sliding groove 602, and the sliding plate portion 202, the guide rail portion 601 thereon, the accommodating cavity 102 and the sliding groove 602 therein can be directly molded integrally by die casting, which has the advantages of simple structure, low manufacturing cost and good connection stability.

Preferably, a locking mechanism 7 for keeping the movable member 2 in an extended state away from the fixed seat 1 is provided between the slide plate portion 202 and the accommodation chamber 102. In this embodiment, a locking mechanism 7 is arranged between the sliding plate portion 202 and the accommodating cavity 102, and after the moving member 2 is moved away from the fixed seat 1, a user can keep the moving member 2 in an extended state through the locking mechanism 7, so that the moving member 2 is prevented from automatically resetting under the driving of the elastic connecting member 3, and various use requirements of the user are met.

Preferably, the locking mechanism 7 includes a locking member 701, a main sliding way 702 disposed on the outer wall of the accommodating cavity 102, and a connecting hole 703 disposed at the end of the sliding plate portion 202, the locking member 701 includes a base plate 7011, a pin 7012 and a locking column 7013 disposed on the base plate 7011, the pin 7012 is rotatably coupled to the connecting hole 703 in an adaptive manner, the locking column 7013 is slidably coupled to the main sliding way 702, and a stop groove 704 for engaging with the locking column 7013 to keep the movable member 2 in an extended state is formed at the end of the main sliding way 702. In this embodiment, the locking mechanism 7 includes a locking member 701, wherein the locking member 701 is rotatably connected to the connection hole 703 through a pin 7012 on the locking member 701, so as to implement a function that the locking member 701 can swing with respect to the sliding plate portion 202, the locking member 701 is slidably connected to the main sliding way 702 through a locking post 7013 on the locking member 701, when the moving member 2 moves in a direction away from the fixed base 1, the locking post 7013 slides on the main sliding way 702, when the locking post 7013 slides to an end of the main sliding way 702, the locking post 7013 can be swung and placed into the stop groove 704 by manual shifting, and the locking post 7013 is engaged with the stop groove 704 so as to keep the moving member 2 in an extended state.

Preferably, the pin 7012 is disposed on one side of the base 7011, and the peg 7013 is disposed on the other side of the base 7011.

Preferably, the stop groove 704 is formed with a guide portion 7041 for guiding the catch 7013 to slide into the stop groove 704 from the main slide 702, and a lock portion 7042 for abutting against the catch 7013 to keep the catch 7013 stationary. In this embodiment, the stop groove 704 is formed with a guide portion 7041 and a locking portion 7042, wherein the guide portion 7041 is smoothly connected to the side portion of the main sliding way 702, and when the locking post 7013 slides to the guide portion 7041, the guide portion 7041 can guide the locking post 7013 to slide into the stop groove 704 from the main sliding way 702; the shape of locking portion 7042 is satisfied in can with card post 7013 butt, and can make card post 7013 and locking portion 7042 realize the auto-lock under elastic connection spare 3 orders about, make card post 7013 keep static, when needing moving part 2 to the direction that is close to fixing base 1 to reset, only need to stir card post 7013 to main slide 702 one side and can remove the auto-lock state, moving part 2 resets under elastic connection spare 3 orders about, the structure has the shaping degree of difficulty low, low cost, easy operation convenient advantage.

Preferably, the elastic connecting element 3 is a spring, one end of the spring is detachably connected to the fixed base 1, and the other end of the spring is detachably connected to the movable element 2. In this embodiment, elastic connection spare 3 adopts the form of spring, has simple structure, convenient assembling is swift, advantage with low costs, and the range of application is extensive, and the both ends of spring are provided with the reducing section, all be provided with on fixing base 1 and the moving part 2 with reducing section complex trench, in the spring card inserts the trench, accomplish the connection.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-described embodiments. Modifications and variations that may occur to those skilled in the art without departing from the spirit and scope of the utility model are to be considered as within the scope of the utility model.

Claims

1. A damping buffer device comprises a fixed seat (1), a moving part (2) connected to the fixed seat (1) in a sliding manner, an elastic connecting piece (3) used for driving the moving part (2) to reset and a damper (4) used for providing reset resistance, and is characterized in that the damper (4) comprises a cylinder body (401) and an expansion rod (402), a cylinder body installation part (101) used for installing the cylinder body (401) is arranged on the fixed seat (1), an expansion rod installation part (201) used for installing the expansion rod (402) is arranged on the moving part (2), and the expansion rod installation part (201) is connected with the expansion rod (402) through a detachable connection mechanism (5) so that the reciprocating sliding direction of the moving part (2) is the same as the expansion direction of the expansion rod (402);

can dismantle coupling mechanism (5) including set up in screens recess (501) on telescopic link (402) and set up in protruding stupefied (502) of screens on telescopic link installation department (201), protruding stupefied (502) of screens with screens recess (501) joint cooperation, still be provided with on the protruding stupefied (502) of screens with screens recess (501) interference fit's anticreep convex part (503).

2. The damping and buffering device as claimed in claim 1, wherein the number of the clamping ribs (502) is two, the two clamping ribs (502) are oppositely arranged on the inner wall of the telescopic rod mounting part (201), and a U-shaped limiting cavity (504) for limiting the swing amplitude of the telescopic rod (402) is formed between the clamping ribs (502); the clamping groove (501) is circular.

3. The damping and buffering device as claimed in claim 2, wherein the anti-falling protrusion (503) is disposed at an opening of the U-shaped limiting cavity (504), and a chamfer (505) for guiding the clamping groove (501) to slide into or out of the U-shaped limiting cavity (504) is formed between the anti-falling protrusion (503) and the clamping protrusion (502).

4. The damping and buffering device as claimed in claim 3, wherein the telescopic rod mounting part (201), the locking convex edge (502), the anti-dropping convex part (503) and the chamfered part (505) are integrally formed.

5. The damping and buffering device according to any one of claims 1 to 4, characterized in that a sliding plate portion (202) is arranged on the movable member (2), an accommodating cavity (102) for accommodating the sliding plate portion (202) is arranged on the fixed seat (1), and the sliding plate portion (202) is slidably connected with the accommodating cavity (102) through a sliding mechanism (6).

6. The damping and cushioning device according to claim 5, characterized in that said sliding mechanism (6) comprises a guide rail portion (601) provided on both sides of said slide plate portion (202) and a slide groove (602) provided on both sides inside said accommodating chamber (102), said guide rail portion (601) being in sliding contact with said slide groove (602).

7. The damped damping device according to claim 5, characterized in that a locking mechanism (7) for keeping the movable member (2) in an extended state away from the fixed seat (1) is provided between the slide plate portion (202) and the accommodation chamber (102).

8. The damping and buffering device as claimed in claim 7, wherein the locking mechanism (7) comprises a locking piece (701), a main sliding way (702) arranged on the outer wall of the accommodating cavity (102) and a connecting hole (703) arranged at the end of the sliding plate portion (202), the locking piece (701) comprises a base plate (7011), a pin shaft (7012) and a clamping column (7013) which are arranged on the base plate (7011), the pin shaft (7012) is in adaptive connection with the connecting hole (703) in a rotatable manner, the clamping column (7013) is in adaptive connection with the main sliding way (702) in a slidable manner, and a stopping groove (moving piece) for clamping with the clamping column (7013) to enable the clamping column (704 (2) to be kept in an extending state is formed at the end of the main sliding way (702).

9. The damping and buffering device as claimed in claim 8, wherein the stop groove (704) is formed with a guide portion (7041) for guiding the clamping column (7013) to slide into the stop groove (704) from the main slideway (702), and a locking portion (7042) for abutting against the clamping column (7013) to keep the clamping column (7013) stationary.

10. The damping and cushioning device according to claim 5, characterized in that the elastic connecting member (3) is a spring, one end of which is detachably connected to the fixed seat (1) and the other end of which is detachably connected to the movable member (2).