CN213199458U

CN213199458U - Heavy-duty car chassis transmission shaft shock absorber device

Info

Publication number: CN213199458U
Application number: CN202021822167.3U
Authority: CN
Inventors: 何建元; 龙建林; 钱鑫; 王赢; 王建辉
Original assignee: Hunan Hualing Automobile Co ltd
Current assignee: Hunan Hualing Automobile Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-05-14
Anticipated expiration: 2030-08-27

Abstract

The utility model provides a heavy-duty car chassis transmission shaft bumper shock absorber device, including first loop bar, first litter and cable suspension device, the spout has all been seted up at the inside upper and lower both ends of first loop bar, the equal fixed mounting in upper and lower both ends of first litter has the slider, and slider sliding connection is in the inside of spout, the upper end left side and the equal fixed mounting in lower extreme left side of first litter have first spring, the upper end right side and the equal fixed mounting in lower extreme right side of first loop bar have first spring, the one end of first loop bar and the equal fixedly connected with universal joint of one end of first litter, universal joint other end fixedly connected with ring flange. Effectual shock attenuation can be carried out through the elasticity of first spring, and through ring flange one side fixed mounting's rubber spacer, friction between can effectual isolated ring flange, fixed mounting's between the first ring of cable suspension device and the second ring sound insulation pad can weaken the noise that the connecting rod produced when the cable suspension device is inside to rotate.

Description

Heavy-duty car chassis transmission shaft shock absorber device

Technical Field

The utility model relates to the technical field of automobiles, specifically a heavy-duty car chassis transmission shaft bumper shock absorber device.

Background

The transmission shaft is a rotating body with high rotating speed and less support, is an important part for transmitting power in an automobile transmission system, and has the function of transmitting the power of an engine to wheels together with a gearbox and a drive axle so as to enable an automobile to generate driving force.

In automotive construction, a propeller shaft is typically used to connect the transmission to the transaxle. In actual vehicle use, the transmission shaft needs to transmit power reliably and stably, and has no resonance phenomenon in a vehicle speed range in use, and noise generated when the transmission shaft operates is effectively reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heavy-duty car chassis transmission shaft bumper shock absorber device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the telescopic rod comprises a first sleeve rod, a first sliding rod and a hanging device, wherein sliding grooves are formed in the upper end and the lower end of the interior of the first sleeve rod, sliding blocks are fixedly mounted at the upper end and the lower end of the first sliding rod and are connected to the interior of the sliding grooves in a sliding mode, first springs are fixedly mounted on the left side of the upper end and the left side of the lower end of the first sliding rod, first springs are fixedly mounted on the right side of the upper end and the right side of the lower end of the first sleeve rod, a universal joint is fixedly connected to one end of the first sleeve rod and one end of the first sliding rod, and a flange plate is fixedly connected to the other end of;

the cable suspension device comprises a support, a first ring, a sound insulation pad, a second ring, a second spring, a third ring, a rubber block and a fourth ring, wherein the support is fixedly arranged at two sides of the upper end of the cable suspension device, the sound insulation pad is fixedly arranged between the inner wall of the first ring and the outer wall of the second ring, the second spring is fixedly arranged between the inner wall of the second ring and the outer wall of the third ring, the rubber block is fixedly arranged between the inner wall of the third ring and the outer wall of the fourth ring, and the inner wall of the fourth ring is rotatably connected with the outer wall of the connecting rod through a ball rotating bearing.

As a preferred technical scheme of the utility model, the equal fixedly connected with second loop bar of the other end of the upper end left side of first litter and the first spring of lower extreme left side fixed mounting, the equal fixedly connected with second litter of the other end of the upper end right side of first loop bar and the first spring of lower extreme right side fixed mounting, and the second litter is pegged graft in the inside of second loop bar.

As a preferred technical scheme of the utility model, a plurality of spacing holes have been seted up to one side equidistance of second loop bar, one side fixed mounting of second litter has the stopper, and the stopper is pegged graft in the inside in spacing hole.

As an optimized technical scheme of the utility model, one side fixed mounting of ring flange has the rubber shock insulator.

As a preferred technical scheme of the utility model, the screw has all been seted up at the upper and lower both ends of ring flange and rubber spacer and control both ends, peg graft in the inside of screw has the bolt, and the other end of bolt stretches out the screw, the other end threaded connection of bolt has the nut.

As a preferred technical scheme of the utility model, the one end fixedly connected with ring flange of connecting rod, the bolt fixed connection of pegging graft in the screw hole is passed through with universal joint one end fixed connection's ring flange to connecting rod one end fixed connection's ring flange.

Compared with the prior art, the utility model provides a heavy-duty car chassis transmission shaft bumper shock absorber device possesses following beneficial effect:

1. this heavy automobile chassis transmission shaft bumper shock absorber device, through the grafting of first loop bar and first litter, first spring fixed connection is on the left of the upper end of first litter and lower extreme left side, and first spring fixed connection is on the upper end right side and the lower extreme right side of first loop bar for when vehicle tire is through hollow road surface, lead to the tire to drive to hang when reciprocating because of the road surface unevenness, can carry out effectual shock attenuation through the elasticity of first spring.

2. This heavy automobile chassis transmission shaft bumper shock absorber device, through the rubber block between the inside fourth ring of cable suspension device and the third ring, the second spring between third ring and the second ring can make the connecting rod play absorbing effect when vibrations, because of the tension of rubber block and second spring, can play the cushioning effect to rocking of connecting rod.

3. This heavy automobile chassis transmission shaft bumper shock absorber device, through ring flange one side fixed mounting's rubber spacer, friction between can effectual isolated ring flange reduces the noise, and fixed mounting's between the first ring of cable suspension device and the second ring give sound insulation and fill up can weaken the noise that the connecting rod produced when the cable suspension device is inside to rotate.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

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

FIG. 2 is a cross-sectional view of the hanging device of the present invention;

fig. 3 is a left side view of the present invention.

In the figure: 1. a first loop bar; 101. a chute; 2. a first slide bar; 21. a slider; 3. a first spring; 4. a second loop bar; 41. a limiting hole; 5. a second slide bar; 51. a limiting block; 6. a universal joint; 7. a flange plate; 8. a rubber spacer; 9. a bolt; 10. a nut; 11. a hanging device; 111. a support; 112. a first ring; 113. a sound insulating pad; 114. a second ring; 115. a second spring; 116. a third ring; 117. a rubber block; 118. a fourth ring; 12. a connecting rod; 13. and a screw hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a shock absorber device for a chassis transmission shaft of a heavy-duty car comprises a first loop bar 1, a first slide bar 2 and a hanging device 11, wherein the upper end and the lower end of the interior of the first loop bar 1 are both provided with a sliding groove 101, the upper end and the lower end of the first slide bar 2 are both fixedly provided with a sliding block 21, the sliding block 21 is slidably connected to the interior of the sliding groove 101, the left side of the upper end and the left side of the lower end of the first slide bar 2 are both fixedly provided with a first spring 3, the right side of the upper end and the right side of the lower end of the first loop bar 1 are both fixedly provided with a first spring 3, one end of the first loop bar 1 and one end of the first slide bar 2 are both fixedly connected with a universal joint 6, and the other end;

hanging device 11 includes support 111, first ring 112, gives sound insulation and fills up 113, second ring 114, second spring 115, third ring 116, rubber block 117 and fourth ring 118, support 111 fixed mounting is in hanging device 11's upper end both sides, give sound insulation and fill up 113 fixed mounting between first ring 112's inner wall and second ring 114's outer wall, second spring 115 fixed mounting is between second ring 114's inner wall and third ring 116's outer wall, rubber block 117 fixed mounting is between third ring 116's inner wall and fourth ring 118's outer wall, the inner wall of fourth ring 118 and the outer wall of connecting rod 12 are passed through and are changeed ball bearing and rotate and be connected.

Specifically, the other ends of the first springs 3 fixedly mounted on the left side of the upper end and the left side of the lower end of the first slide rod 2 are both fixedly connected with a second sleeve rod 4, the other ends of the first springs 3 fixedly mounted on the right side of the upper end and the right side of the lower end of the first sleeve rod 1 are both fixedly connected with a second slide rod 5, and the second slide rod 5 is inserted into the second sleeve rod 4.

In this embodiment, the first spring 3 is arranged to effectively absorb the shock of the first sleeve rod 1 and the first slide rod 2.

Specifically, a plurality of limiting holes 41 are formed in one side of the second loop bar 4 at equal intervals, a limiting block 51 is fixedly mounted on one side of the second sliding rod 5, and the limiting block 51 is inserted into the limiting holes 41.

In this embodiment, the limiting block 51 is inserted into the limiting hole 41, so that the second slide rod 5 can be prevented from sliding freely inside the second sleeve rod 4.

Specifically, one side of the flange 7 is fixedly provided with a rubber spacer 8.

In this embodiment, the rubber spacer 8 can effectively isolate the friction between the flanges 7, reducing noise.

Specifically, screw holes 13 are formed in the upper end, the lower end, the left end and the right end of the flange 7 and the rubber spacer 8, bolts 9 are inserted into the screw holes 13, the other ends of the bolts 9 extend out of the screw holes 13, and nuts 10 are connected to the other ends of the bolts 9 in a threaded mode.

In this embodiment, the bolts 9 pass through the screw holes 13, and the nuts 10 are screwed on the other ends of the bolts 9, so that the flange 7 at one end of the universal joint 6 and the flange 7 at one end of the connecting rod 12 can be fixedly connected.

Specifically, one end of the connecting rod 12 is fixedly connected with a flange 7, and the flange 7 fixedly connected with one end of the connecting rod 12 is fixedly connected with the flange 7 fixedly connected with one end of the universal joint 6 through a bolt 9 inserted in a screw hole 13.

In this embodiment, the first sleeve rod 1 and the connecting rod 12 can be connected into a whole through the flange 7, which is beneficial to the simultaneous operation of the first sleeve rod 1 and the connecting rod 12.

For example, as shown in fig. 1 to 3, the working process of the shock absorber device for a chassis transmission shaft of a heavy-duty car according to the embodiment of the present invention is as follows: the first sleeve rod 1 is inserted in the first sleeve rod 1 through a first slide rod 2, a first spring 3 is fixedly installed on the left side of the upper end and the left side of the lower end of the first slide rod 2, a second sleeve rod 4 is fixedly connected with the other end of the first spring 3, a second slide rod 5 is inserted in the second sleeve rod 4, the other end of the first spring 3 which is dry-installed is fixedly connected with the second slide rod 5 on the right side of the upper end and the right side of the lower end of the first sleeve rod 1, the first spring 3 can absorb shock when the first sleeve rod extends and retracts during rotation, a universal joint 6 fixedly installed at one end of the first sleeve rod 1 is fixedly connected with a connecting rod 12 through a flange 7, the flange 7 at one end of the universal joint 6 and the flange 7 at one end of the connecting rod 12 penetrate through a screw hole 13 through a bolt 9 and then are screwed with a nut 10 for fixed connection, so that the first sleeve rod 1, the first sleeve rod 2 and the connecting rod 12 are integrated and can rotate simultaneously, the connecting, the rubber block 117 between the fourth ring 118 and the third ring 116 and the second spring 115 between the third ring 116 and the second ring 114 can weaken the vibration generated when the connecting rod 12 rotates or receives collision, the noise generated when the connecting rod 12 rotates can be weakened through the sound insulation pad 113 between the second ring 114 and the first ring 112, and the noise generated between the flanges 7 due to rotational friction can be avoided through the rubber insulation pad 8 fixedly arranged on one side of the flange 7.

It should be noted that, in this document, terms such as "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.

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

Claims

1. The utility model provides a heavy-duty car chassis transmission shaft bumper shock absorber device, includes first loop bar (1), first litter (2) and cable suspension device (11), its characterized in that: the upper end and the lower end of the inside of the first loop bar (1) are both provided with sliding grooves (101), the upper end and the lower end of the first sliding rod (2) are both fixedly provided with sliding blocks (21), the sliding blocks (21) are connected to the inside of the sliding grooves (101) in a sliding manner, the left side of the upper end and the left side of the lower end of the first sliding rod (2) are both fixedly provided with first springs (3), the right side of the upper end and the right side of the lower end of the first loop bar (1) are both fixedly provided with first springs (3), one end of the first loop bar (1) and one end of the first sliding rod (2) are both fixedly connected with a universal joint (6), and the other end of the universal joint (6) is fixedly connected with a; hanging device (11) are including support (111), first ring (112), give sound insulation pad (113), second ring (114), second spring (115), third ring (116), rubber block (117) and fourth ring (118), support (111) fixed mounting is in the upper end both sides of hanging device (11), give sound insulation pad (113) fixed mounting between the inner wall of first ring (112) and the outer wall of second ring (114), second spring (115) fixed mounting is between the inner wall of second ring (114) and the outer wall of third ring (116), rubber block (117) fixed mounting is between the inner wall of third ring (116) and the outer wall of fourth ring (118), the inner wall of fourth ring (118) and the outer wall of connecting rod (12) are connected through changeing ball bearing rotation.

2. The heavy-duty vehicle chassis propeller shaft damper device of claim 1, wherein: the upper end left side and the lower end left side of the first sliding rod (2) are fixedly installed and are located at the other end of the first spring (3) and are fixedly connected with a second loop bar (4), the upper end right side and the lower end right side of the first loop bar (1) are fixedly installed and are fixedly connected with a second sliding rod (5), and the second sliding rod (5) is inserted into the second loop bar (4).

3. The heavy-duty vehicle chassis propeller shaft damper device of claim 2, wherein: a plurality of limiting holes (41) are formed in one side of the second loop bar (4) at equal intervals, limiting blocks (51) are fixedly mounted on one side of the second sliding rod (5), and the limiting blocks (51) are inserted into the limiting holes (41).

4. The heavy-duty vehicle chassis propeller shaft damper device of claim 1, wherein: and a rubber spacer (8) is fixedly arranged on one side of the flange plate (7).

5. The heavy-duty vehicle chassis propeller shaft damper device of claim 1, wherein: screw holes (13) are formed in the upper end and the lower end and the left end and the right end of the flange plate (7) and the rubber spacer (8), bolts (9) are inserted into the screw holes (13), the other ends of the bolts (9) extend out of the screw holes (13), and nuts (10) are connected to the other ends of the bolts (9) in a threaded mode.

6. The heavy-duty vehicle chassis propeller shaft damper device of claim 1, wherein: one end fixedly connected with ring flange (7) of connecting rod (12), connecting rod (12) one end fixed connection's ring flange (7) and universal joint (6) one end fixed connection's ring flange (7) pass through bolt (9) fixed connection of pegging graft in screw (13).