CN216131331U

CN216131331U - Triangular connecting rod of resistance to compression

Info

Publication number: CN216131331U
Application number: CN202121784166.9U
Authority: CN
Inventors: 石玮
Original assignee: Suzhou Weijia Precision Machinery Co ltd
Current assignee: Suzhou Weijia Precision Machinery Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-03-25
Anticipated expiration: 2031-08-03

Abstract

The utility model provides a compression-resistant triangular connecting rod, which belongs to the technical field of connecting rod mechanisms and comprises a first connecting rod and a buffering device, wherein the buffering device comprises a sliding groove, the sliding groove is formed in the surface of a groove, a first spring is fixedly arranged in the sliding groove, a sleeve is fixedly arranged on the inner wall of the sliding groove, an ejector rod is slidably connected in the sleeve, a sliding plate is fixedly arranged at one end, away from the sliding groove, of the first spring, a fixing plate is fixedly arranged on the surface of the sliding plate, an installation groove is formed in the surface of the fixing plate, a clamping block is movably connected in the installation groove, a third connecting rod is hinged to the surface of the clamping block, vertical grooves are formed in the inner walls of two sides of the groove in the surface of the second connecting rod, a sliding block is slidably connected in the vertical grooves, and a movable plate is fixedly arranged on the surface of the sliding block. The problem of current triangle connecting rod lack buffer, lead to the triangle connecting rod in the use, because of pressure is too big easily, the condition of breaking off takes place, and then brings inconvenience for the triangle connecting rod when using is solved.

Description

Triangular connecting rod of resistance to compression

Technical Field

The utility model belongs to the technical field of connecting rod mechanisms, and particularly relates to a compression-resistant triangular connecting rod.

Background

The link Mechanism (link Mechanism), also called low-pair Mechanism, is one of the mechanical components, and refers to a Mechanism formed by connecting a plurality of (more than two) components with definite relative motion by low pairs (revolute pairs or moving pairs).

The existing triangular connecting rod is lack of a buffer device, so that the triangular connecting rod is easy to break due to overlarge pressure in the using process, and further the triangular connecting rod is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the existing triangular connecting rod is lack of a buffer device, so that the triangular connecting rod is easy to break due to overlarge pressure in the using process, and further the triangular connecting rod is inconvenient to use.

In order to achieve the purpose, the utility model adopts the following technical scheme: a compression-resistant triangular connecting rod comprises a first connecting rod and a buffering device, wherein a port of the first connecting rod is hinged with a second connecting rod, grooves are formed in the surfaces of the first connecting rod and the second connecting rod respectively, the buffering device is arranged on the surface of each groove and comprises a sliding groove, the sliding groove is formed in the surface of each groove, a first spring is fixedly arranged in the sliding groove, a sleeve is fixedly arranged on the inner wall of the sliding groove, an ejector rod is slidably connected in the sleeve, one end, away from the sleeve, of the ejector rod is fixedly connected with a sliding plate, the ejector rod is slidably connected with the sliding plate through the sliding plate and the sleeve, a sliding plate is fixedly arranged at one end, away from the sliding groove, of the first spring, a fixing plate is fixedly arranged on the surface of the sliding plate, a mounting groove is formed in the surface of the fixing plate, a clamping block is movably connected in the mounting groove, and a third connecting rod is hinged to the surface of the clamping block, the inner walls of two sides of the groove on the surface of the second connecting rod are provided with vertical grooves, sliding blocks are connected inside the vertical grooves in a sliding mode, and movable plates are fixedly mounted on the surfaces of the sliding blocks.

One end, far away from the clamping block, of the third connecting rod is hinged to the movable plate, and the sliding block is connected with the vertical groove in a sliding mode through the movable plate.

The sliding plate is connected with the sliding groove in a sliding mode through the fixing plate, and the movable plate is connected with the groove in the surface of the second connecting rod in a sliding mode through the third connecting rod.

The surface of fixture block is equipped with fixing device, fixing device includes the jack, the jack is seted up on the surface of fixture block, first bar groove has been seted up on the surface of fixed plate, the inside fixed mounting in first bar groove has the second spring, the one end fixed mounting that first bar groove was kept away from to the second spring has the displacement plate, the fixed surface of displacement plate installs the inserted bar, the second bar groove has been seted up on the surface of fixed plate, the inside sliding connection in second bar groove has the slide plate.

One end of the inserted bar, which is far away from the displacement plate, is positioned in the jack, and the inserted bar is matched with the jack in size.

One end of the sliding plate, far away from the second strip-shaped groove, is fixedly connected with the displacement plate, and the displacement plate is connected with the first strip-shaped groove in a sliding mode through the sliding plate.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, when the second connecting rod is extruded by external force, the second connecting rod rotates to drive the third connecting rod to move, the third connecting rod moves to drive the movable plate to slide in the groove on the surface of the second connecting rod, the movable plate slides in the groove to drive the sliding block to slide in the vertical groove, meanwhile, the third connecting rod moves to drive the clamping block to move, the clamping block moves to drive the fixed plate to move, the fixed plate moves to drive the sliding plate to slide in the sliding groove, the sliding plate slides in the sliding groove to drive the ejector rod to move towards the inside of the sleeve and simultaneously extrude the first spring, so that the first spring is stressed and compressed, then the resilience force applied to the second connecting rod is buffered by utilizing the resilience force of the first spring, the sleeve and the ejector rod can avoid the spring from deforming in the resilience process, and the pressure resistance of the triangular connecting rod can be increased by the matching of the structures, the triangular connecting rod is prevented from being broken when being extruded by external force when in use, and the service life of the triangular connecting rod is further prolonged.

2. According to the utility model, when the third connecting rod needs to be replaced, the sliding plate in the second strip-shaped groove slides, the sliding plate slides in the second strip-shaped groove to drive the displacement plate to slide in the first strip-shaped groove, the displacement plate slides in the first strip-shaped groove to drive the insertion rod to move out of the insertion hole and simultaneously extrude the second spring, so that the second spring is stressed and compressed, the insertion rod and the insertion hole are separated, the fixture block and the mounting groove are not fixed, the fixture block can be detached from the surface of the fixing plate, the third connecting rod can be replaced, and by means of the matching of the structures, the situation that the whole device needs to be replaced when the third connecting rod is damaged is avoided, and the use cost of the triangular connecting rod is reduced.

Drawings

FIG. 1 is a schematic perspective view of a compression-resistant triangular connecting rod according to the present invention;

FIG. 2 is a schematic diagram of a right side view of a compression-resistant triangular link;

FIG. 3 is a schematic view of a compression-resistant triangular link shown at A in FIG. 1;

FIG. 4 is a schematic view of a compression resistant triangular link shown at B in FIG. 2;

illustration of the drawings: 1. a first link; 2. a second link; 3. a groove; 4. a buffer device; 401. a chute; 402. a first spring; 403. a sleeve; 404. a top rod; 405. a slide plate; 406. a fixing plate; 407. a clamping block; 408. a third link; 409. a vertical slot; 410. a slider; 411. a movable plate; 412. mounting grooves; 5. a fixing device; 51. a jack; 52. a first bar-shaped groove; 53. a second spring; 54. a displacement plate; 55. inserting a rod; 56. a second strip groove; 57. and (4) a sliding plate.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

As shown in fig. 1-4, a compression-resistant triangular connecting rod comprises a first connecting rod 1 and a buffer device 4, the buffer device 4 is arranged on the surface of a groove 3, a second connecting rod 2 is hinged to a port of the first connecting rod 1, and the grooves 3 are formed in the surfaces of the first connecting rod 1 and the second connecting rod 2.

The problem that the existing triangular connecting rod is lack of a buffer device is solved, the triangular connecting rod is prone to breaking due to overlarge pressure in the using process, and therefore the problem that the triangular connecting rod is inconvenient to use is solved, the problem that the existing triangular connecting rod is damaged, the whole device needs to be replaced, and the problem that the triangular connecting rod is used is further increased.

As shown in fig. 1 and 3, the buffering device 4 includes a sliding slot 401, the sliding slot 401 is disposed on the surface of the groove 3, a first spring 402 is fixedly mounted inside the sliding slot 401, a sleeve 403 is fixedly mounted on the inner wall of the sliding slot 401, a top rod 404 is slidably connected inside the sleeve 403, a sliding plate 405 is fixedly mounted on one end of the first spring 402 away from the sliding slot 401, a fixing plate 406 is fixedly mounted on the surface of the sliding plate 405, a mounting slot 412 is formed on the surface of the fixing plate 406, a latch 407 is movably connected inside the mounting slot 412, a third link 408 is hinged on the surface of the latch 407, the second link 2 rotates to drive the third link 408 to move, the third link 408 moves to drive the movable plate 411 to slide inside the groove 3 on the surface of the second link 2, the movable plate 411 slides inside the groove 3 to drive the slider 410 to slide inside the vertical slot 409, and at the same time the third link 408 moves to drive the latch 407 to move, the fixture block 407 moves to drive the fixed plate 406 to move, the fixed plate 406 moves to drive the sliding plate 405 to slide in the sliding groove 401, the sliding plate 405 slides in the sliding groove 401 to drive the ejector rod 404 to move towards the inside of the sleeve 403 and simultaneously extrude the first spring 402, so that the first spring 402 is stressed and compressed, the resilience force of the first spring 402 is utilized to buffer the force received by the second connecting rod 2, the sleeve 403 and the ejector rod 404 are arranged to prevent the spring from deforming in the resilience process, through the matching of the structure, the compressive resistance of the triangular connecting rod can be increased, the triangular connecting rod is prevented from being broken when being extruded by external force in use, the service life of the triangular connecting rod in use is further prolonged, vertical grooves 409 are formed in the inner walls of the two sides of the groove 3 in the surface of the second connecting rod 2, the sliding block 409 is connected with the sliding block 410 in a sliding mode, and a movable plate 411 is fixedly installed on the surface of the sliding block 410.

The end of the ram 404 remote from the sleeve 403 is fixedly connected to the slide plate 405, and the ram 404 is slidably connected to the sleeve 403 by means of the slide plate 405.

An end of the third link 408, which is away from the latch 407, is hinged to the movable plate 411, and the slider 410 is slidably connected to the vertical slot 409 by means of the movable plate 411.

The sliding plate 405 is slidably coupled to the sliding groove 401 by the fixed plate 406, and the movable plate 411 is slidably coupled to the groove 3 of the surface of the second link 2 by the third link 408.

The effect achieved by the mutual matching of the upper section components is that when the second connecting rod 2 is extruded by an external force, the second connecting rod 2 rotates to drive the third connecting rod 408 to move, the third connecting rod 408 moves to drive the movable plate 411 to slide in the groove 3 on the surface of the second connecting rod 2, the movable plate 411 slides in the groove 3 to drive the slider 410 to slide in the vertical groove 409, meanwhile, the third connecting rod 408 moves to drive the fixture block 407 to move, the fixture block 407 moves to drive the fixed plate 406 to move, the fixed plate 406 moves to drive the sliding plate 405 to slide in the sliding groove 401, the sliding plate 405 slides in the sliding groove 401 to drive the ejector rod 404 to move towards the inside of the sleeve 403 and simultaneously extrude the first spring 402, so that the first spring 402 is stressed and compressed, then the force applied to the second connecting rod 2 is buffered by the resilience force of the first spring 402, and the arrangement of the sleeve 403 and the ejector rod 404 can avoid the spring from deforming in the rebound process, through the cooperation of above-mentioned structure, can increase the compressive resistance of triangle connecting rod, avoid the triangle connecting rod to receive external force when using and take place the fracture when extrudeing, further improved the life-span of triangle connecting rod when using.

As shown in fig. 2 and 4, a fixing device 5 is disposed on a surface of the latch 407, the fixing device 5 includes an insertion hole 51, the insertion hole 51 is disposed on a surface of the latch 407, a first bar-shaped groove 52 is disposed on a surface of the fixing plate 406, a second spring 53 is fixedly disposed inside the first bar-shaped groove 52, a displacement plate 54 is fixedly disposed at an end of the second spring 53 away from the first bar-shaped groove 52, an insertion rod 55 is fixedly disposed on a surface of the displacement plate 54, a second bar-shaped groove 56 is disposed on a surface of the fixing plate 406, a sliding plate 57 is slidably connected inside the second bar-shaped groove 56, the sliding plate 57 slides inside the second bar-shaped groove 56 to drive the displacement plate 54 to slide inside the first bar-shaped groove 52, the displacement plate 54 slides inside the first bar-shaped groove 52 to drive the insertion rod 55 to move out from inside the insertion hole 51 and simultaneously to press the second spring 53, so that the second spring 53 is compressed by a force, the insertion rod 55 is separated from the insertion hole 51, and the fixture 407 is not fixed to the mounting groove 412, at this time, the fixture block 407 can be detached from the surface of the fixing plate 406, and the third link 408 can be replaced, so that the whole device needs to be replaced when the third link 408 is damaged, and the use cost of the triangular link is reduced.

The end of the plug rod 55 far away from the displacement plate 54 is located inside the insertion hole 51, and the plug rod 55 is matched with the insertion hole 51 in size.

One end of the sliding plate 57 far away from the second strip-shaped groove 56 is fixedly connected with the displacement plate 54, and the displacement plate 54 is connected with the first strip-shaped groove 52 in a sliding way by the sliding plate 57.

The effect that the upper segment parts mutually cooperate to reach is, when needing to change third connecting rod 408, slide the inside slide plate 57 of second bar groove 56, slide plate 57 slides in the inside of second bar groove 56 and drives displacement plate 54 to slide in the inside of first bar groove 52, displacement plate 54 slides in the inside of first bar groove 52 and drives inserted bar 55 and extrude second spring 53 from the inside of jack 51 when shifting out, make second spring 53 atress compress, inserted bar 55 and jack 51 separation make fixture block 407 and mounting groove 412 lose fixedly, just at this moment can dismantle fixture block 407 on the surface of fixed plate 406, and then can change third connecting rod 408, through the cooperation of above-mentioned structure, when having avoided third connecting rod 408 to take place the damage, need to change whole device, the use cost of triangle connecting rod has been reduced.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. A compression-resistant triangular connecting rod comprises a first connecting rod (1) and a buffer device (4), and is characterized in that: a second connecting rod (2) is hinged to a port of the first connecting rod (1), grooves (3) are formed in the surfaces of the first connecting rod (1) and the second connecting rod (2), a buffer device (4) is arranged on the surface of each groove (3), each buffer device (4) comprises a sliding groove (401), each sliding groove (401) is formed in the surface of each groove (3), a first spring (402) is fixedly installed inside each sliding groove (401), a sleeve (403) is fixedly installed on the inner wall of each sliding groove (401), an ejector rod (404) is connected inside each sleeve (403) in a sliding mode, a sliding plate (405) is fixedly installed at one end, far away from each sliding groove (401), of each first spring (402), a fixing plate (406) is fixedly installed on the surface of each sliding plate (405), a mounting groove (412) is formed in the surface of each fixing plate (406), and a clamping block (407) is movably connected inside each mounting groove (412), the surface of the clamping block (407) is hinged with a third connecting rod (408), vertical grooves (409) are formed in the inner walls of the two sides of the groove (3) in the surface of the second connecting rod (2), a sliding block (410) is connected to the inner portions of the vertical grooves (409) in a sliding mode, and a movable plate (411) is fixedly mounted on the surface of the sliding block (410).

2. The compression resistant triangular link of claim 1, wherein: one end of the push rod (404) far away from the sleeve (403) is fixedly connected with the sliding plate (405), and the push rod (404) is connected with the sleeve (403) in a sliding mode through the sliding plate (405).

3. The compression resistant triangular link of claim 1, wherein: one end, far away from the clamping block (407), of the third connecting rod (408) is hinged to the movable plate (411), and the sliding block (410) is connected with the vertical groove (409) in a sliding mode through the movable plate (411).

4. The compression resistant triangular link of claim 1, wherein: the sliding plate (405) is connected with the sliding groove (401) in a sliding mode through the fixed plate (406), and the movable plate (411) is connected with the groove (3) on the surface of the second connecting rod (2) in a sliding mode through the third connecting rod (408).

5. The compression resistant triangular link of claim 1, wherein: the surface of fixture block (407) is equipped with fixing device (5), fixing device (5) include jack (51), the surface at fixture block (407) is seted up in jack (51), first bar groove (52) have been seted up on the surface of fixed plate (406), the inside fixed mounting in first bar groove (52) has second spring (53), the one end fixed mounting that first bar groove (52) was kept away from in second spring (53) has displacement plate (54), the fixed surface of displacement plate (54) installs inserted bar (55), second bar groove (56) have been seted up on the surface of fixed plate (406), the inside sliding connection of second bar groove (56) has slide plate (57).

6. The compression resistant triangular link of claim 5, wherein: one end of the inserted rod (55) far away from the displacement plate (54) is positioned inside the insertion hole (51), and the inserted rod (55) is matched with the insertion hole (51) in size.

7. The compression resistant triangular link of claim 5, wherein: one end, far away from the second strip-shaped groove (56), of the sliding plate (57) is fixedly connected with the displacement plate (54), and the displacement plate (54) is connected with the first strip-shaped groove (52) in a sliding mode through the sliding plate (57).