CN219472594U

CN219472594U - Telescopic universal joint

Info

Publication number: CN219472594U
Application number: CN202320667145.1U
Authority: CN
Inventors: 佘剑兵
Original assignee: Fujian Province Putian City Yongzhan Machinery Co ltd
Current assignee: Fujian Province Putian City Yongzhan Machinery Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-08-04
Anticipated expiration: 2033-03-30

Abstract

The utility model relates to a telescopic universal joint, which comprises a first universal joint, wherein an outer cylinder is fixedly arranged on the right side of the first universal joint, sliding grooves are formed in the upper top wall and the lower bottom wall of the first universal joint, a telescopic universal joint buffer mechanism is arranged on the right side of the first universal joint, the telescopic universal joint buffer mechanism comprises an inner rod which is slidably arranged in the outer cylinder, sliding blocks penetrating through the sliding grooves are fixedly arranged at the upper end and the lower end of the inner rod, and an inner groove is formed in the inner rod. This telescopic universal joint, through two sliders with interior pole restriction in the inside slip of urceolus, extruded interior pole internally mounted's damping pole and spring when No. two universal joints receive axial pressure, damping pole and spring atress withdrawal are alleviated the power this moment, prevent that No. one universal joint and No. two universal joints and external mechanism from being bumped out by axial force to the effect of alleviating axial float impact has been reached.

Description

Telescopic universal joint

Technical Field

The utility model relates to the technical field of universal joints, in particular to a telescopic universal joint.

Background

The universal joint is a part for realizing variable-angle power transmission, is used for changing the position of the transmission axis direction, and is a joint part of a universal transmission device of an automobile driving system.

The telescopic universal joint on the market at present is frequent in axial movement of the universal joint due to long-time telescopic in the use process, and the device without buffer protection easily causes impact abrasion at the joint of the universal joint, so that the maintenance cost is increased, and the telescopic universal joint is provided to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a telescopic universal joint which has the advantages of relieving axial float impact and the like.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a retractable universal joint, includes a universal joint, the right side fixed mounting of a universal joint has the urceolus, a spout has all been seted up to the upper roof and the lower diapire inside of universal joint, the right side of a universal joint is provided with retractable universal joint buffer gear.

The telescopic universal joint buffer gear includes slidable mounting in the inside interior pole of urceolus, the equal fixed mounting in upper and lower both ends of interior pole has the slider that runs through to the spout inside, the inside groove has been seted up to interior pole, the right side fixed mounting of inside groove has the damping rod that runs through to interior pole outside, the right side fixed mounting of inside groove has the cover to turn in the outside spring of damping rod, the left side fixed mounting of damping rod and spring has the rubber slab, the right side fixed mounting of interior pole has No. two universal joints, the left side fixed mounting of No. two universal joints has the rubber circle of suit in the interior pole outside.

Further, the diameter of the outer cylinder is the same as that of the first universal joint, and the inner part of the outer cylinder is of a hollow structure.

Further, the inner rod is slid laterally inside the outer cylinder, and the inner rod penetrates to the right side of the outer cylinder.

Further, the two sliding blocks are of arc structures, and the two sliding blocks are respectively and slidably installed in the two sliding grooves.

Further, the height of the inner groove is smaller than that of the damping rod, the unfolding end of the damping rod faces the rubber plate, and the inner diameter of the spring is larger than the diameter of the damping rod.

Further, the rubber plate slides in the inner part of the outer cylinder left and right, and the diameters of the second universal joint and the rubber ring are the same as the diameter of the outer cylinder.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this telescopic universal joint, through two sliders with interior pole restriction in the inside slip of urceolus, extruded interior pole internally mounted's damping pole and spring when No. two universal joints receive axial pressure, damping pole and spring atress withdrawal are alleviated the power this moment, prevent that No. one universal joint and No. two universal joints and external mechanism from being bumped out by axial force to the effect of alleviating axial float impact has been reached.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a front view of the structure of the present utility model.

In the figure: 1. a first universal joint; 2. an outer cylinder; 3. a chute; 4. an inner rod; 5. a slide block; 6. an inner tank; 7. a damping rod; 8. a spring; 9. a rubber plate; 10. a second universal joint; 11. a rubber ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a telescopic universal joint in this embodiment includes a first universal joint 1, an outer barrel 2 is fixedly mounted on the right side of the first universal joint 1, the diameter of the outer barrel 2 is the same as that of the first universal joint 1, the inside of the outer barrel 2 is of a hollow structure, sliding grooves 3 are formed in the upper top wall and the lower bottom wall of the first universal joint 1, and a telescopic universal joint buffer mechanism is arranged on the right side of the first universal joint 1.

The telescopic universal joint buffer gear includes slidable mounting in the inside interior pole 4 of urceolus 2, and interior pole 4 side-to-side slides in the inside of urceolus 2, and interior pole 4 runs through to the right side of urceolus 2, and the equal fixed mounting in upper and lower both ends of interior pole 4 has the slider 5 that runs through to spout 3 inside, and two sliders 5 are circular arc structure, and two sliders 5 slidable mounting respectively in the inside of two spouts 3, restrict interior pole 4 in the inside of urceolus 2 through two sliders 5, prevent that interior pole 4 from rotating in the inside of urceolus 2.

The inside of interior pole 4 has seted up inside groove 6, the right side fixed mounting of inside groove 6 has the damping pole 7 that runs through to the outside of interior pole 4, the height of inside groove 6 is less than the height of damping pole 7, the right side fixed mounting of inside groove 6 has the cover to turn in the outside spring 8 of damping pole 7, the internal diameter of spring 8 is greater than the diameter of damping pole 7, the left side fixed mounting of damping pole 7 and spring 8 has rubber slab 9, the purpose makes interior pole 4 receive behind the axial force extrusion damping pole 7 and spring 8, thereby alleviate the pressure of interior pole 4, the expansion end of damping pole 7 is towards rubber slab 9, rubber slab 9 slides about in the inside of urceolus 2, protect the inner chamber left side of urceolus 2 through rubber slab 9, increase damping pole 7 and spring 8 and the contact area of urceolus 2 inner chamber left side, the right side fixed mounting of interior pole 4 has No. 10, be convenient for connect external mechanism through No. 10, no. 10 the left side fixed mounting of No. 10 has the rubber ring 11 that the cover is in the outside of interior pole 4, no. 10 and the diameter of rubber ring is the same with the diameter of outer barrel 2, no. 11, no. 2 impact ring is passed through to the universal joint diameter of No. 10.

The working principle of the embodiment is as follows:

when the device is used, the first universal joint 1 and the second universal joint 10 are connected with an external mechanism, at the moment, the two sliding blocks 5 limit the inner rod 4 to slide in the outer cylinder 2, the second universal joint 10 and the first universal joint 1 can be pulled outwards to enable the device to be unfolded, the device is retracted by inwards extruding, when the second universal joint 10 is subjected to axial pressure, the inner rod 4 arranged on the left side of the device is extruded, at the moment, the inner rod 4 extrudes the damping rod 7 and the spring 8 which are arranged in the device, at the moment, the damping rod 7 and the spring 8 are retracted under stress, and then the force is relieved, so that the first universal joint 1 and the second universal joint 10 are protected, and the device and the external mechanism are prevented from being crashed.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides a telescopic universal joint, includes universal joint (1), its characterized in that: the right side of the first universal joint (1) is fixedly provided with an outer cylinder (2), sliding grooves (3) are formed in the upper top wall and the lower bottom wall of the first universal joint (1), and the right side of the first universal joint (1) is provided with a telescopic universal joint buffer mechanism;

the telescopic universal joint buffer mechanism comprises an inner rod (4) which is slidably mounted inside an outer cylinder (2), sliding blocks (5) which penetrate through a sliding groove (3) are fixedly mounted at the upper end and the lower end of the inner rod (4), an inner groove (6) is formed in the inner rod (4), a damping rod (7) which penetrates through the inner rod (4) is fixedly mounted on the right side of the inner groove (6), a spring (8) which is sleeved outside the damping rod (7) is fixedly mounted on the right side of the inner groove (6), a rubber plate (9) is fixedly mounted on the left side of the damping rod (7) and the spring (8), a No. two universal joint (10) is fixedly mounted on the right side of the inner rod (4), and a rubber ring (11) which is sleeved outside the inner rod (4) is fixedly mounted on the left side of the No. two universal joint (10).

2. A telescopic universal joint as claimed in claim 1, wherein: the diameter of the outer cylinder (2) is the same as that of the first universal joint (1), and the inside of the outer cylinder (2) is of a hollow structure.

3. A telescopic universal joint as claimed in claim 1, wherein: the inner rod (4) slides left and right in the outer cylinder (2), and the inner rod (4) penetrates to the right side of the outer cylinder (2).

4. A telescopic universal joint as claimed in claim 1, wherein: the two sliding blocks (5) are of arc structures, and the two sliding blocks (5) are respectively and slidably arranged in the two sliding grooves (3).

5. A telescopic universal joint as claimed in claim 1, wherein: the height of the inner groove (6) is smaller than that of the damping rod (7), the unfolding end of the damping rod (7) faces the rubber plate (9), and the inner diameter of the spring (8) is larger than the diameter of the damping rod (7).

6. A telescopic universal joint as claimed in claim 1, wherein: the rubber plate (9) slides left and right in the outer cylinder (2), and the diameters of the second universal joint (10) and the rubber ring (11) are the same as the diameter of the outer cylinder (2).