CN214788490U

CN214788490U - Truck rear axle damper bolt

Info

Publication number: CN214788490U
Application number: CN202120984950.8U
Authority: CN
Inventors: 张林付
Original assignee: Guangzhou Hengwei Automobile Parts Co ltd
Current assignee: Guangzhou Hengwei Automobile Parts Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-11-19
Anticipated expiration: 2031-05-10

Abstract

The utility model discloses a bumper shock absorber bolt for freight train rear axle, including pole portion and head, the outside cover of pole portion is equipped with shelters from the mechanism, shelter from the mechanism and include sealing ring, first spring and shelter from a section of thick bamboo, sealing ring, first spring cover are established in the pole portion outside, the outside of first spring has seted up the rotating ring groove, the inside of sheltering from a section of thick bamboo is equipped with second spring and disk, all be equipped with the card post on the relative surface of a section of thick bamboo end of sheltering from, the side of sealing ring has seted up the through-hole, the side that the sealing ring deviates from the head is equipped with the sealed pad; the rear axle shock absorber uses bolted connection and pole portion embedding screw hole, and sealed pad embedding screw hole is downthehole, and the sealing pad plays sealed effect, makes pole portion and rear axle frame be connected firmly, shelters from the barrel casing and establishes in the sealing ring outside, makes the head covered, and first spring and the shrink of second spring just take place deformation, and first spring and second spring produce elasticity, and first spring and second spring weaken the effort that the bolt received.

Description

Truck rear axle damper bolt

Technical Field

The utility model belongs to the technical field of auto-parts, concretely relates to bumper shock absorber bolt for freight train rear axle.

Background

Bolt: mechanical parts, cylindrical threaded fasteners fitted with nuts. The bolt is a fastener consisting of a head part and a screw (a cylinder with external threads), needs to be matched with a nut and is used for fastening and connecting two parts with through holes, and the bolt is widely applied.

When the existing bolt is applied to the fastening side of the automobile rear axle shock absorber, the problems that tightness of bolt connection is not high enough and the bolt is influenced by vibration force to influence self stability exist, and therefore the shock absorber bolt for the rear axle of the truck is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a freight train is bumper shock absorber bolt for rear axle to the compactness of the bolted connection who provides in solving above-mentioned background art is not high enough, and the bolt receives the problem that the shaking force influences self steadiness.

In order to achieve the above object, the utility model provides a following technical scheme: freight train is bumper shock absorber bolt for rear axle, including pole portion and head, the outside cover of pole portion is equipped with shelters from the mechanism, shelter from the mechanism and include sealing ring, first spring and shelter from a section of thick bamboo, sealing ring, first spring housing are established in the pole portion outside, the rotation annular has been seted up in the outside of first spring, the inside of sheltering from a section of thick bamboo is equipped with second spring and disk, it all is equipped with the card post on the surface to shelter from that a section of thick bamboo one end is relative, the through-hole has been seted up to the side of sealing ring, the side that the sealing ring deviates from the head is equipped with sealed the pad.

Preferably, the outer side of the rod part close to the head part is provided with a circular-ring-shaped limiting groove, the sealing gasket is positioned in the limiting groove, and the hollow sealing gasket is of a T-shaped structure.

Preferably, one end of the first spring is connected with the head portion, the other end of the first spring is connected with the sealing ring, a positioning ring groove is formed in the side face of the sealing ring, and one end of the sealing gasket is arranged in the positioning ring groove.

Preferably, two rectangular channels have been seted up to the side that the sealing ring deviates from sealed pad, rotate annular and rectangular channel intercommunication, through-hole and rotation annular intercommunication.

Preferably, the clamping column is of an L-shaped structure, and one end of the clamping column is matched with the through hole.

Preferably, the side of the shielding cylinder is provided with a round groove which is not communicated, the second spring and the wafer are positioned in the round groove, one end of the second spring is connected with the shielding cylinder, the other end of the second spring is connected with the wafer, and the diameter of the outer circle of the head is 2 millimeters smaller than that of the inner circle of the shielding cylinder.

Preferably, a ring gasket is bonded on the side surface of the shielding cylinder, and the sealing gasket and the ring gasket are both made of rubber materials.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the sealing ring and the sealing gasket which are arranged, the rear axle shock absorber is connected through the bolt and the rod part is embedded into the threaded hole, the sealing gasket plays a sealing role, and the rod part is connected with the rear axle frame stably.

2. Through the first spring of a section of thick bamboo, sealing ring, card post, the second spring box that shelters from that sets up, shelter from the cover and establish in the sealing ring outside, make the head covered, first spring and the second spring shrink and take place deformation, first spring and second spring produce elasticity, and first spring and second spring weaken the effort that the bolt received, have guaranteed the steadiness that bolt self is connected.

Drawings

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

FIG. 2 is a schematic sectional view of the shielding cylinder of the present invention;

FIG. 3 is a schematic side view of the gasket of the present invention;

FIG. 4 is a schematic side view of the sealing ring of the present invention;

in the figure: 1. a rod portion; 2. a head portion; 3. a seal ring; 4. a first spring; 5. a shielding cylinder; 6. a gasket; 7. rotating the ring groove; 8. a second spring; 9. a wafer; 10. clamping the column; 11. and a through 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.

Examples

Referring to fig. 1 to 4, the present invention provides a technical solution: a shock absorber bolt for a truck rear axle comprises a rod part 1 and a head part 2, a shielding mechanism is sleeved on the outer side of the rod part 1 and comprises a sealing ring 3, a first spring 4 and a shielding barrel 5, the sealing ring 3 and the first spring 4 are sleeved on the outer side of the rod part 1, a rotating ring groove 7 is formed in the outer side of the first spring 4, a second spring 8 and a circular sheet 9 are arranged in the shielding barrel 5, clamping columns 10 are arranged on the opposite surfaces of one end of the shielding barrel 5, through holes 11 are formed in the side surface of the sealing ring 3, a sealing gasket 6 is arranged on the side surface of the sealing ring 3, which is far away from the head part 2, one end of each clamping column 10 is matched with the through hole 11, each clamping column 10 is limited and fixed by the sealing ring 3, the shielding barrel 5 is sleeved on the outer side of the sealing ring 3, the head part 2 is covered by the head part 2, the first spring 4 and the second spring 8 contract and deform, the first spring 4 and the second spring 8 generate elasticity, the first spring 4 and the second spring 8 weaken the acting force applied to the bolt.

In this embodiment, the spacing groove of donut shape is seted up in the outside that pole portion 1 is close to head 2, sealed 6 that fills up is located the spacing groove, hollow sealed 6 that fills up is "T" type structure, first spring 4's one end is connected with head 2 and the other end is connected with sealing ring 3, the positioning ring groove has been seted up to 3 sides of sealing ring, sealed 6 one end of filling up is arranged in the positioning ring inslot, two rectangular channels have been seted up to the side that sealing ring 3 deviates from sealed 6, rotating ring groove 7 and rectangular channel intercommunication, through-hole 11 and rotating ring groove 7 intercommunication, card post 10 is "L" type structure, card post 10 one end and through-hole 11 cooperation, card post 10 is spacing fixed by sealing ring 3, it establishes in the 3 outsides of sealing ring to shelter from a 5 covers, make head 2 covered.

In this embodiment, the side of sheltering from a section of thick bamboo 5 is seted up the circular slot that does not link up, and second spring 8, disk 9 are located the circular slot, and the one end of second spring 8 with shelter from a section of thick bamboo 5 and be connected and the other end is connected with disk 9, the excircle diameter ratio of head 2 shelters from a section of thick bamboo 5 interior circle diameter 2 millimeters less, and the side of sheltering from a section of thick bamboo 5 bonds and has the ring pad, and sealed 6 and ring pad are made by rubber materials, and during bumper shock absorber bolted connection, sealed 6 plays sealed effect of filling up.

The utility model discloses a theory of operation and use flow:

when the automobile rear axle shock absorber is connected through a bolt, the rod part 1 is embedded into the threaded hole, the sealing ring 3 and the head part 2 slide relatively, the first spring 4 is in a contraction state, the rod part 1 is screwed and connected stably, the sealing gasket 6 is embedded into the threaded hole, and the sealing gasket 6 plays a sealing role, so that the rod part 1 and the rear axle frame are connected stably;

pressing and sheltering from a section of thick bamboo 5, shelter from a section of thick bamboo 5 and remove towards head 2, disk 9 and the laminating of head 2 and second spring 8 are in the contraction state, block the rectangular channel that card post 10 in the section of thick bamboo 5 passed on the sealing ring 3, rotatory 5 to the suitable position of sheltering from, loosen and shelter from a section of thick bamboo 5, second spring 8 is extended by the contraction state and is opened, card post 10 runs through-hole 11, it establishes in the 3 outsides of sealing ring to shelter from a section of thick bamboo 5 cover, make head 2 covered, first spring 4 and second spring 8 shrink and take place deformation, first spring 4 and second spring 8 produce elasticity, first spring 4 and second spring 8 weaken the effort that the bolt received, the steadiness of bolt self-connection has been guaranteed.

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. Freight train is bumper shock absorber bolt for rear axle, including pole portion (1) and head (2), its characterized in that: the outside cover of pole portion (1) is equipped with and shelters from the mechanism, shelter from the mechanism and include sealing ring (3), first spring (4) and shelter from a section of thick bamboo (5), sealing ring (3), first spring (4) cover are established in pole portion (1) outside, rotation annular (7) have been seted up in the outside of first spring (4), the inside of sheltering from a section of thick bamboo (5) is equipped with second spring (8) and disk (9), shelter from that a section of thick bamboo (5) one end is relative all be equipped with card post (10) on the surface, through-hole (11) have been seted up to the side of sealing ring (3), the side that sealing ring (3) deviates from head (2) is equipped with sealed pad (6).

2. The truck rear axle damper bolt as set forth in claim 1, wherein: the outer side of the rod part (1) close to the head part (2) is provided with a circular-ring-shaped limiting groove, the sealing gasket (6) is located in the limiting groove, and the hollow sealing gasket (6) is of a T-shaped structure.

3. The truck rear axle damper bolt as set forth in claim 1, wherein: the one end and the head (2) of first spring (4) are connected and the other end is connected with sealing ring (3), the positioning ring groove has been seted up to sealing ring (3) side, sealed pad (6) one end is arranged in the positioning ring inslot.

4. The truck rear axle damper bolt as set forth in claim 1, wherein: two rectangular channels have been seted up to the side that sealing ring (3) deviates from sealed pad (6), rotate annular (7) and rectangular channel intercommunication, through-hole (11) and rotation annular (7) intercommunication.

5. The truck rear axle damper bolt as set forth in claim 1, wherein: the clamping column (10) is of an L-shaped structure, and one end of the clamping column (10) is matched with the through hole (11).

6. The truck rear axle damper bolt as set forth in claim 1, wherein: the side of sheltering from a section of thick bamboo (5) is seted up the circular slot that does not link up, second spring (8), disk (9) are located the circular slot, the one end of second spring (8) with shelter from a section of thick bamboo (5) and be connected and the other end is connected with disk (9), the excircle diameter ratio of head (2) shelters from the interior circle diameter of a section of thick bamboo (5) and is 2 millimeters less.

7. The truck rear axle damper bolt as set forth in claim 1, wherein: the side surface of the shielding cylinder (5) is bonded with a ring pad, and the sealing pad (6) and the ring pad are both made of rubber materials.