CN210310602U

CN210310602U - Rear support assembly for turning truck cab

Info

Publication number: CN210310602U
Application number: CN201921202036.2U
Authority: CN
Inventors: 杨波; 杨益奎
Original assignee: Anhui Ankai Huaxia Auto Parts Hefei Co ltd
Current assignee: Anhui Ankai Huaxia Auto Parts Hefei Co ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-04-14
Anticipated expiration: 2029-07-26

Abstract

The utility model discloses a rear bracket assembly of truck cab upset, including outer support, inner support and rotation linking bridge, the upper end of outer support passes through the one end of round pin shaft connecting piece connection inner support and rotates the one end of linking bridge, the lower extreme of outer support passes through the other end of round pin shaft connecting piece connection inner support, the outer support is the U-shaped, the inner support sets up in the outer support, the upper portion of inner support is equipped with the restriction and rotates the linking bridge and rotate the buffering stop device that the inner support rotated extreme position to; the buffering and limiting device comprises a framework formed by springs and an elastic body made of rubber materials and wrapped outside the framework. The utility model can avoid the collision noise and strong pause and frustration caused by compressing the spring to the limit, reduce the discomfort caused to the driver, and simultaneously avoid the problems of accelerated aging and reduced durability caused by compressing the spring to the limit state for a long time; in addition, the inner support plays a supporting role for the cab, and the supporting strength can be improved.

Description

Rear support assembly for turning truck cab

Technical Field

The utility model belongs to the technical field of auto-parts, in particular to rear bracket assembly of truck cab upset.

Background

In order to repair core components such as an engine and the like of a truck, a turnover mechanism is generally required to connect a cab in a turnover mode to a frame at the bottom, the turnover mechanism is generally composed of a turnover component with a front suspension and a locking component with a rear suspension, and the locking component is fixedly connected with the frame at the bottom through a rear support. In order to improve the comfort of the cab, a shock absorber is usually arranged between a rear support and a locking part to achieve a shock absorption effect, but the shock absorber commonly used for the truck mainly achieves the shock absorption purpose through a spring, when the road is sunk in a lot, the shock absorber is very obvious in bumping, the spring of the shock absorber is usually compressed or extended to a limit position, and particularly when the spring is compressed to the limit, strong collision noise and strong pause and contusion caused by collision can be generated and transmitted to the cab, so that discomfort is caused to a driver; in addition, the condition that the spring is compressed to the limit can also accelerate the aging degree of the spring in the shock absorber and reduce the durability of the shock absorber.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem of the existence of above-mentioned prior art, provide the rear bracket assembly of truck cab upset.

The utility model discloses a following technical means realizes solving above-mentioned technical problem:

the rear support assembly for overturning the cab of the truck comprises an outer support, an inner support and a rotary connecting support, wherein the upper end of the outer support is connected with one end of the inner support and one end of the rotary connecting support through a pin shaft connecting piece, the lower end of the outer support is connected with the other end of the inner support through a pin shaft connecting piece, the outer support is U-shaped, the inner support is arranged in the outer support, and the upper part of the inner support is provided with a buffering and limiting device for limiting the rotary connecting support to rotate to a limit position towards the inner support; the buffering and limiting device comprises a framework formed by springs and an elastic body made of rubber materials and wrapped outside the framework.

Further, buffering stop device still includes the fastener, the fastener includes the mounting plate and sets up the cable in the middle of the mounting plate, the cable extends to in the elastomer and skeleton fixed connection, the mounting plate setting outside the elastomer and with inner support fixed connection.

Furthermore, the fastening piece comprises wing pieces on two sides, the fastening piece and the wing pieces are U-shaped, connecting holes are formed in the wing pieces, threaded holes are formed in two sides of the inner support, and the fastening piece and the inner support are fixed through bolts.

The utility model has the advantages that: the utility model can avoid the collision noise and strong pause and frustration caused by compressing the spring to the limit, reduce the discomfort caused to the driver, and simultaneously avoid the problems of accelerated aging and reduced durability caused by compressing the spring to the limit state for a long time; in addition, the inner support plays a supporting role for the cab, and the supporting strength can be improved.

Drawings

Fig. 1 is a schematic perspective view of a rear bracket assembly according to the present invention;

FIG. 2 is a schematic view of the connection and cooperation of the inner support, the rotary connecting support and the buffering and limiting device;

fig. 3 is a schematic structural view of the buffering and limiting device of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Examples

As shown in fig. 1, the rear bracket assembly for overturning the cab of the truck comprises an outer bracket 10, an inner bracket 11 and a rotary connecting bracket 12, wherein the upper end of the outer bracket 10 is connected with one end of the inner bracket 11 and one end of the rotary connecting bracket 12 through pin connectors, the lower end of the outer bracket 10 is connected with the other end of the inner bracket 11 through pin connectors, the outer bracket 10 is U-shaped, the inner bracket 11 is arranged in the outer bracket 10, a shock absorber (not shown) is arranged between the lower end of the outer bracket 10 and the other end of the rotary connecting bracket 12, two ends of the shock absorber are respectively connected with the outer bracket 10 and the rotary connecting bracket 1 through pin connectors in a rotary manner, a buffer limiting device for limiting the rotary connecting bracket 12 to rotate to a limit position towards the inner bracket 11 is arranged on the upper portion of the inner bracket 11, the buffer limiting device is arranged on a scanning path of the rotary connecting bracket 12 to rotate towards the inner bracket, the top of the rotating link bracket 12 is used to fixedly mount a locking structure (not shown).

Usually, when a truck encounters a bumpy road surface, the frame can rock up and down to enable the spring in the shock absorber to generate compression so as to absorb the bumpy energy and convert the bumpy energy into elastic potential energy of the spring, when the spring is compressed, the distance between the other end of the rotary connecting support 12 and the lower end of the outer support 10 can be shortened, so that the rotary connecting support 12 rotates towards the inner support 11, as the upper part of the inner support 11 is provided with the buffering limiting device, the rotary connecting support 12 can be limited from rotating towards the inner support 11 and a buffering effect is provided, once the rotary connecting support 12 is limited from rotating, the distance between the other end of the rotary connecting support 12 and the lower end of the outer support 10 can be limited, so that the spring in the shock absorber cannot be continuously compressed, the spring is prevented from being compressed to the limit, strong bruise caused by collision noise is avoided, and discomfort caused to a driver is reduced, meanwhile, the problems of accelerated aging and reduced durability caused by long-term compression of the spring to a limit state are avoided; in addition, the inner support 11 is also used for directly connecting an upper pin shaft connecting hole and a lower pin shaft connecting hole of the outer support 10, and belongs to a vertical stress supporting structure with the outer support 10, so that the cab is supported, and the supporting strength can be improved through the combined action of the inner support 11 and the outer support 10.

As shown in fig. 3, the buffering and limiting device includes a frame 21 formed by a spring and an elastic body 22 made of rubber material and wrapped outside the frame 21. It will be understood by those skilled in the art that the buffering and limiting device is fixed on the upper portion of the inner bracket 11, and may be directly integrated by vulcanization, or may be fixedly mounted on the upper portion of the inner bracket 11 by a connecting member. When the rotating connecting bracket 12 rotates towards the inner bracket 11 to approach, the rotating connecting bracket 12 gradually approaches and contacts the elastic body 22, the elastic body 22 is compressed to generate elastic potential energy and generate reaction force to the rotating connecting bracket 12 to slow down the rotation of the rotating connecting bracket 12, when the rotating connecting bracket 12 further rotates, the framework 21 gradually participates and generates elastic deformation, the reaction force generated to the rotating connecting bracket 12 is larger at the moment, the rotation of the rotating connecting bracket 12 is slowed down more obviously, the elastic body 22 has certain compression limit, the energy requirement of the compression of the elastic body 22 is larger along with the progress of the compression, the elastic body 22 has the advantages that the elastic body 22 is always flexibly buffered, rigid collision like a spring can not occur, as long as the material and the size of the elastic body 22 are controlled, the compression limit of the buffering limiting device is made to be earlier than the spring in the shock absorber, and the spring in the shock absorber is prevented from being compressed to the limit, meanwhile, the buffer can be assisted, the collision noise generated when the spring is compressed to the limit and strong pause and contusion caused by collision are reduced, and the comfort of the cab is improved.

As shown in fig. 2 and 3, the buffer stop device further comprises a fastening member 23, the fastening member 23 comprises a U-shaped fastening piece 231 and a pulling cable 232 arranged in the middle of the fastening piece 231, the pulling cable 232 extends into the elastic body 22 and is fixedly connected with the framework 21, so that the pulling cable 232 can adapt to the deformation environment of the elastic body 22 during operation, and the fastening piece 231 is arranged outside the elastic body 22 and is fixedly connected with the inner support 11. The buffering limiting device is fixed with the inner support 11 through the fastening piece 23, wherein the buffering limiting device is a quick-wear part, the fastening piece 23 and the buffering limiting device are integrally formed in a vulcanization mode, the fastening piece 23 and the buffering limiting device can be replaced at one time, replacement efficiency is greatly improved, and the replaced fastening piece 23 can be reused after the buffering limiting device is removed. Further, as will be understood by those skilled in the art, the taut cable 232 may be secured by providing an enlarged portion through the perforations in the fastening tab 231.

As shown in fig. 3, the fastening piece 231 includes a tab 233 at both sides thereof, the fastening piece 231 and the tab 233 are U-shaped, the tab 233 is provided with a connecting hole, the inner bracket 11 is provided with threaded holes at both sides thereof, and the fastening piece 231 and the inner bracket 11 are fixed by bolts, which is convenient for disassembly and assembly.

It is noted that, in this document, relational terms such as first and second, and the like, if any, 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. Also, 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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The rear support assembly for overturning the cab of the truck is characterized by comprising an outer support (10), an inner support (11) and a rotary connecting support (12), wherein the upper end of the outer support (10) is connected with one end of the inner support (11) and one end of the rotary connecting support (12) through a pin shaft connecting piece, the lower end of the outer support (10) is connected with the other end of the inner support (11) through a pin shaft connecting piece, the outer support (10) is U-shaped, the inner support (11) is arranged in the outer support (10), and a buffering and limiting device for limiting the rotary connecting support (12) to rotate to a limit position towards the inner support (11) is arranged at the upper part of the inner support (11); the buffering and limiting device comprises a framework (21) formed by springs and an elastic body (22) made of rubber materials and wrapped outside the framework (21).

2. The truck cab-flipped rear bracket assembly according to claim 1, wherein the buffer stop device further comprises a fastening member (23), the fastening member (23) comprises a fastening piece (231) and a pulling cable (232) arranged in the middle of the fastening piece (231), the pulling cable (232) extends into the elastic body (22) and is fixedly connected with the frame (21), and the fastening piece (231) is arranged outside the elastic body (22) and is fixedly connected with the inner bracket (11).

3. The truck cab-tilting rear bracket assembly according to claim 2, wherein the fastening piece (231) comprises a wing (233) on both sides, the fastening piece (231) and the wing (233) are in a U shape, the wing (233) is provided with a connecting hole, the inner bracket (11) is provided with a threaded hole on both sides, and the fastening piece (231) and the inner bracket (11) are fixed through a bolt.