CN213870719U

CN213870719U - Hinge mechanism with opening and closing buffering function

Info

Publication number: CN213870719U
Application number: CN202022215312.8U
Authority: CN
Inventors: 时勤
Original assignee: Jiashan Zhongjian Technology Co ltd
Current assignee: Jiashan Zhongjian Technology Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-08-03
Anticipated expiration: 2030-10-09

Abstract

The utility model discloses an articulated mechanism with switching buffer function, its technical scheme main points are: the utility model provides an articulated mechanism with switching buffer function, includes the mounting, rotates the piece, the mounting is provided with the fixing base, rotate the piece be provided with the fixing base rotates the rotation seat of connecting, it is provided with damping subassembly to rotate between seat and the fixing base, damping subassembly including set up in the attenuator that rotates, set up in the fixing base and with the corresponding control flume of attenuator output, type C shape setting is personally submitted to the control flume bottom, but attenuator output butt in the type C shape bottom surface of control flume, just the control flume bottom surface is provided with the drive the damping piece that the attenuator output is shrink. The utility model discloses in when the attenuator output rotates and the butt when damping piece, the attenuator output contracts, and produces the damping force to the effort that the rotation piece was rotated in the influence upset, and can influence a rotation piece upset speed, realize the damping effect.

Description

Hinge mechanism with opening and closing buffering function

Technical Field

The utility model relates to an articulated structure field especially involves an articulated mechanism with switching buffer function.

Background

Many existing products have a hinge structure, i.e., one component rotates relative to the other component with the side wall of the other component as a fulcrum. And the existing products generally achieve the hinge function by providing a hinge.

However, the existing hinge structure cannot realize a damping function, namely, the rotation to realize opening or closing needs different force compared with the opposite action, or the slow opening or closing is realized.

Therefore, there is a need for an improved structure that overcomes the above-mentioned deficiencies.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an articulated mechanism with switching buffer function, when the attenuator output rotates and the butt in the damping piece, the attenuator output shrink, and produce the damping force to the effort that the rotation piece was rotated in the influence upset, and can influence a rotation speed, realize the damping effect.

The above technical purpose of the utility model is realized through following technical scheme: the utility model provides an articulated mechanism with switching buffer function, includes the mounting, rotates the piece, the mounting is provided with the fixing base, rotate the piece be provided with the fixing base rotates the rotation seat of connecting, it is provided with damping subassembly to rotate between seat and the fixing base, damping subassembly including set up in the attenuator that rotates, set up in the fixing base and with the corresponding control flume of attenuator output, type C shape setting is personally submitted to the control flume bottom, but attenuator output butt in control flume type C shape bottom surface, just the control flume bottom surface is provided with the drive the damping piece that the attenuator output is shrink.

The utility model discloses a further set up to: the damper comprises a cylinder body and a piston rod, the piston rod is provided with a damping assembly, the damping assembly comprises a piston head fixed at one end of the piston rod facing the bottom surface of the inner cavity of the cylinder body, a piston stress sheet fixed on the piston rod, a piston sleeved on the piston rod, and a reset spring arranged on the bottom surfaces of the piston head and the inner cavity of the cylinder body and pushing the piston to move away from the bottom surface of the inner cavity of the cylinder body, the piston is positioned between the piston stress sheet and the piston head, the distance between the piston stress sheet and the piston head is larger than the thickness of the piston, a gap for liquid to flow is reserved between the side wall of the piston and the inner wall of the cylinder body, the piston is provided with a piston hole for the piston rod to penetrate through, the diameter of the piston rod is larger than the diameter of the piston rod, the piston head is provided with a flow hole for liquid on one side of the piston head to flow into the piston hole, and the piston head is abutted against the piston, the circulation hole communicates with the piston hole.

The utility model discloses a further set up to: the return spring is a drum spring.

The utility model discloses a further set up to: the piston rod is fixed with the joint portion in the one end of outstanding cylinder body, the joint portion deviates from cylinder body one end and is the button head setting, the joint portion is contradicted in control tank bottom surface or damping piece.

The utility model discloses a further set up to: wear to establish the hole all has been seted up to two symmetry lateral walls of fixing base, rotate the seat be provided with two respectively with wear to establish the corresponding ear in hole, the ear set up with wear to establish the connecting hole that the hole corresponds, be provided with the pivot between connecting hole and the wear to establish the hole, pivot axial direction is on a parallel with and rotates the rotation axial.

The utility model discloses a further set up to: the inner wall of the cylinder body is provided with a fixing ring for the piston rod to penetrate and limit the extension distance of the piston rod, and the inner diameter of the fixing ring is larger than the diameter of the piston rod and smaller than the outer diameter of a piston stress piece.

To sum up, the utility model discloses following beneficial effect has:

during the use, stir and rotate when rotating a certain angle for the mounting, attenuator output butt in the control tank, and rotate corresponding angle along the control tank bottom surface, when the attenuator output rotated and butt when damping piece, the attenuator output shrink, and produced the damping force to the effort that the rotation piece was rotated in the influence upset, and can influence and rotate a upset speed, realize the damping effect.

After the piston rod is abutted against the damping block, the piston rod is pushed to move towards the bottom surface of the inner cavity of the cylinder body, the fixing ring drives the piston stress piece to move relative to the piston and enables the piston stress piece to be tightly attached to the piston, so that the piston is driven to move, liquid of the piston towards the bottom surface of the cylinder body slowly circulates from a gap between the piston and the inner wall of the cylinder body due to the fact that a piston hole is blocked, the piston head is acted by a reset spring, force required for pushing the piston rod to move is increased, the speed of the piston rod moving towards the bottom surface of the inner cavity of the cylinder body is reduced, and a damping effect is achieved; after stopping promoting the piston rod and removing, reset spring resets and promotes piston head reverse movement, conflict in the piston behind the relative piston movement shift position of piston head, and the piston this moment, there is the space between the piston atress piece, the piston has the piston in the liquid that the piston deviates from cylinder body inner chamber bottom surface one side, the piston atress piece, the space between the solid fixed ring gets into the piston hole, and flow to the piston opposite side through the through-flow hole, make piston both sides hydraulic balance, realize the quick reset of piston rod, thereby need great power when realizing the upset and rotate the piece, the reverse upset rotates the piece and makes and rotates the piece when reseing relatively convenient.

Thereby reach restriction piston atress piece and deviate from the cylinder body bottom surface direction and continue to move through piston atress piece butt in solid fixed ring, realize the location effect.

The position change of the damper, the control groove and the damping block is adapted through the joint part.

Drawings

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

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is a cross-sectional view of the damper;

fig. 4 is an enlarged view of a portion a of fig. 3.

The corresponding part names indicated by the numbers in the figures: 1. a fixing member; 2. a rotating member; 3. a fixed seat; 4. a rotating seat; 5. a damper; 6. a control slot; 7. a damping block; 8. a cylinder body; 9. a piston rod; 10. a piston head; 11. a fixing ring; 12. a piston stress sheet; 13. a piston; 14. a return spring; 15. a piston bore; 16. a flow-through hole; 17. a joint portion; 18. perforating holes; 19. an ear portion; 20. connecting holes; 21. a rotating shaft.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further described with reference to the drawings and the specific embodiments.

As shown in fig. 1 to 4, the hinge mechanism with opening/closing buffer function provided by the present invention comprises a fixing member 1 and a rotating member 2, wherein the fixing member 1 is provided with a fixing seat 3, the rotating member 2 is provided with a rotating seat 4 rotatably connected with the fixing seat 3, a damping component is arranged between the rotating seat 4 and the fixing seat 3, the damping component comprises a damper 5 arranged on the rotating member 2 and a control groove 6 arranged on the fixing seat 3 and corresponding to the output end of the damper 5, the bottom surface of the control groove 6 is arranged in a C-like shape, the output end of the damper 5 can be abutted against the C-like bottom surface of the control groove 6, the bottom surface of the control groove 6 is provided with a damping block 7 for driving the output end of the damper 5 to contract, the damping block 7 is integrally formed on the bottom surface of the control groove 6, the surface of the damping block 7 facing the damper 5 is arranged in an invasive manner relative to the bottom surface of the control groove 6, namely, after the damper 5 rotates relatively, the output end of the damper 5 shrinks gradually to adapt to the distance change between the damping block 7 and the damper 5.

During the use, stir and rotate a 2 and rotate certain angle for mounting 1, 5 output butt of attenuator in control tank 6, and rotate corresponding angle along 6 bottom surfaces of control tank, when 5 output rotations of attenuator and butt in damping piece 7, 5 output contractions of attenuator, and produce the damping force to the effort that the rotation 2 was rotated in the influence upset, and can influence and rotate 2 upset speeds, realize the damping effect.

In this embodiment, the damper 5 includes a cylinder 8 and a piston rod 9, the cylinder 8 is fixed to the rotating base 5, and the piston rod 9 is provided with a damping assembly. The damping assembly comprises a piston head 10 fixed at one end of the piston rod 9 facing the bottom surface of the inner cavity of the cylinder body 8, a piston stress piece 12 fixed on the piston, a piston 13 sleeved on the piston rod 9 and abutted against the inner wall of the cylinder body 8, and a return spring 14 arranged on the bottom surfaces of the piston head 10 and the inner cavity of the cylinder body 8 and pushing the piston 13 to move away from the bottom surface of the inner cavity of the cylinder body 8, wherein the return spring 14 can be a drum spring, the piston 13 is positioned between the piston stress piece 12 and the piston head 10, the distance between the piston stress piece 12 and the piston head 10 is larger than the thickness of the piston 13, a gap for liquid circulation is reserved between the side wall of the piston 13 and the inner wall of the cylinder body 8, the piston 13 is provided with a piston hole 15 for the piston rod 9 to penetrate through, the piston hole 15 is larger than the diameter of the piston rod 9, and the piston head 10 is provided with a circulation hole 16 for liquid on the side of the piston head 10 departing from the piston 13 to flow into the piston hole 15, when the piston head 10 abuts against the piston 13, the flow hole 16 communicates with the piston hole 15.

After the piston rod 9 is abutted against the damping block 7, the piston rod 9 is pushed to move towards the bottom surface of the inner cavity of the cylinder body 8, the fixing ring 11 drives the piston stress piece 12 to move relative to the piston 13, and the piston stress piece 12 is tightly attached to the piston 13, so that the piston 13 is driven to move, as the piston hole 15 is blocked, liquid of the piston 13 towards the bottom surface of the cylinder body 8 slowly circulates from a gap between the piston 13 and the inner wall of the cylinder body 8, and the piston head 10 is acted by the reset spring 14, so that the force required for pushing the piston rod 9 to move is increased, the speed of the piston rod 9 moving towards the bottom surface of the inner cavity of the cylinder body 8 is reduced, and the damping effect is achieved; when stopping promoting the piston rod 9 and removing the back, reset spring 14 resets and promotes piston head 10 reverse movement, conflict behind the relative piston 13 mobile moving position of piston head 10 in piston 13, and piston 13 this moment, there is the space between the piston atress piece 12, the liquid that piston 13 deviates from 8 inner chamber bottom surfaces one side of cylinder body has piston 13, piston atress piece 12, the space between the solid fixed ring 11 gets into piston hole 15, and flow to piston 13 opposite side through circulation hole 16, make piston 13 both sides hydraulic pressure balanced, realize the quick reset of piston rod 9, thereby it needs great power to realize the upset and rotate piece 2, it is relatively convenient when the piece 2 is rotated in the reverse upset and make to rotate piece 2 and reset.

The inner wall of the cylinder body 8 is provided with a fixing ring 11 for the piston rod 9 to penetrate and limit the extension distance of the piston rod 9, and the inner diameter of the fixing ring 11 is larger than the diameter of the piston rod 9 and smaller than the outer diameter of the piston stress piece 12. The piston stress piece 12 abuts against the fixing ring 11, so that the piston stress piece 12 is limited to move continuously in the direction departing from the bottom surface of the cylinder body 8, and the positioning effect is achieved.

The piston rod 9 is fixed with the joint portion 17 in the one end of outstanding cylinder body 8, the joint portion 17 deviates from cylinder body 8 one end and is the button head setting, joint portion 17 contradicts in control tank 6 bottom surface or damping piece 7. The joint part 17 is used for adapting the position change of the damper 5, the control groove 6 and the damping block 7.

Further set up in this embodiment, wear to establish hole 18 has all been seted up to 3 bisymmetry lateral walls of fixing base, it is provided with two respectively with wear to establish the corresponding ear 19 in hole 18 to rotate seat 4, ear 19 seted up with wear to establish the connecting hole 20 that hole 18 corresponds, be provided with pivot 21 between connecting hole 20 and the wear to establish the hole 18, pivot 21 axial direction is on a parallel with and rotates 2 rotation axial of piece.

In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the sake of clarity and convenience of description of the technical solutions, and thus, should not be construed as limiting the present invention.

As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an articulated mechanism with switching buffer function, includes mounting (1), rotates piece (2), its characterized in that: fixing piece (1) is provided with fixing base (3), rotate piece (2) be provided with fixing base (3) rotate rotation seat (4) of connecting, it is provided with damping subassembly to rotate between seat (4) and fixing base (3), damping subassembly including set up in attenuator (5) of rotating piece (2), set up in fixing base (3) and with corresponding control tank (6) of attenuator (5) output, type C shape setting is personally submitted to control tank (6) bottom, attenuator (5) output can butt in control tank (6) type C shape bottom surface, just control tank (6) bottom surface is provided with the drive damping piece (7) that attenuator (5) output is shrink.

2. The hinge mechanism with opening and closing buffering functions as claimed in claim 1, wherein: the damper (5) comprises a cylinder body (8) and a piston rod (9), the piston rod (9) is provided with a damping assembly, the damping assembly comprises a piston head (10) fixed to one end, facing the bottom surface of an inner cavity of the cylinder body (8), of the piston rod (9), a piston stress sheet (12) fixed to the piston rod (9), a piston (13) sleeved on the piston rod (9), and a return spring (14) arranged on the bottom surface of the inner cavity of the piston head (10) and the bottom surface of the inner cavity of the cylinder body (8) and used for pushing the piston (13) to move away from the bottom surface of the inner cavity of the cylinder body (8), the piston (13) is positioned between the piston stress sheet (12) and the piston head (10), the distance between the piston stress sheet (12) and the piston head (10) is larger than the thickness of the piston (13), a gap for liquid circulation is reserved between the side wall of the piston (13) and the inner wall of the cylinder body (8), the piston (13) is provided with a piston hole (15) for the piston rod (9) to penetrate through, the piston hole (15) is larger than the diameter of the piston rod (9), the piston head (10) is provided with a circulating hole (16) for liquid on one side, deviating from the piston (13), of the piston head (10) to flow into the piston hole (15), and when the piston head (10) abuts against the piston (13), the circulating hole (16) is communicated with the piston hole (15).

3. The hinge mechanism with opening and closing buffering functions as claimed in claim 2, wherein: the return spring (14) is a drum spring.

4. The hinge mechanism with opening and closing buffering functions as claimed in claim 2, wherein: the piston rod (9) is fixed with joint portion (17) in the one end of outstanding cylinder body (8), joint portion (17) deviate from cylinder body (8) one end and are the setting of button head form, joint portion (17) are contradicted in control tank (6) bottom surface or damping piece (7).

5. The hinge mechanism with opening and closing buffering functions as claimed in claim 2, wherein: wear to establish hole (18) have all been seted up to two symmetry lateral walls of fixing base (3), rotate seat (4) be provided with two respectively with wear to establish corresponding ear (19) in hole (18), connecting hole (20) that correspond with wear to establish hole (18) are seted up in ear (19), be provided with pivot (21) between connecting hole (20) and wear to establish hole (18), pivot (21) axial direction is on a parallel with and rotates piece (2) rotation axial.

6. The hinge mechanism with opening and closing buffering functions as claimed in claim 2, wherein: the inner wall of the cylinder body (8) is provided with a fixing ring (11) for the piston rod (9) to penetrate and limit the extending distance of the piston rod (9), and the inner diameter of the fixing ring (11) is larger than the diameter of the piston rod (9) and smaller than the outer diameter of the piston stress piece (12).