CN218616931U

CN218616931U - Lining for overturning cab

Info

Publication number: CN218616931U
Application number: CN202223064925.1U
Authority: CN
Inventors: 许言明
Original assignee: Hebei Huami New Material Technology Co ltd
Current assignee: Hebei Huami New Material Technology Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-03-14
Anticipated expiration: 2032-11-18

Abstract

The utility model discloses a lining for overturning a cab, which comprises a rubber sleeve, wherein two ends of the rubber sleeve are respectively provided with an inner sealing lip, the inner sealing lip is in interference connection with an inner pipe, the rubber sleeve is vertically provided with a plurality of oil storage tanks close to the end of the inner pipe, each oil storage tank is uniformly arranged at intervals along the circumferential direction of the rubber sleeve, and lubricating grease is arranged in each oil storage tank; the utility model discloses lubricating grease between gum cover and the inner tube plays the lubrication action, has reduced the frictional force between gum cover and the inner tube, has solved the technical problem of the easy wearing and tearing of rubber among the prior art, is applicable to the driver's cabin upset.

Description

Lining for overturning cab

Technical Field

The utility model belongs to the technical field of auto parts, concretely relates to driver's cabin is bush for upset.

Background

In modern flathead trucks, the engine is mostly located under the seat at the rear of the cab, and in order to improve the accessibility of the engine and facilitate maintenance, a reversible cab is often used. The tilting of the cab is achieved by means of a cab front suspension joint bushing. The front suspension hinged bush of the cab is a suspension part for connecting a vehicle body and a frame assembly in a turnover vehicle type, mainly plays a role in connecting the cab and the frame, has proper elasticity, and plays a role in vibration isolation and buffering vibration deformation of the frame.

The existing cab front suspension hinge bushing in the market mostly adopts a single-framework or double-framework structure, rubber is filled between the outer layer of the framework or two frameworks, the inner framework and the outer framework are made of metal materials, the inner framework is directly connected with the shaft, and in the using process, the rubber is easy to wear, the service life of the bushing is shortened, namely the rubber is easy to wear.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a driver's cabin is bush for upset, aim at solving the technical problem that rubber easily weares and teares among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a driver's cabin is bush for upset, includes the gum cover, the both ends of gum cover are equipped with interior seal lip respectively, interior seal lip interference connection inner tube, the gum cover is close to the vertical a plurality of oil storage tanks that are equipped with of inner tube end, each the oil storage tank is followed the even interval in circumference of gum cover sets up, each be equipped with lubricating grease in the oil storage tank.

The lubricating grease is solid soft.

As another limitation, the number of the oil reservoirs is a multiple of 2.

As another limitation, the rubber sleeve comprises an inner rubber layer, a middle sleeve and an outer rubber layer, wherein the inner rubber layer is arranged on the inner side of the middle sleeve, and the outer rubber layer is arranged on the outer side of the middle sleeve.

As another limitation, the hardness of the inner rubber layer is 80 +/-5.

As another limitation, the outer rubber layer hardness is 50 + -5.

As another limitation, the middle sleeve, the inner rubber layer and the outer rubber layer are integrally formed by vulcanization.

As another limitation, the outer wall of the rubber sleeve is provided with a plurality of annular grooves, and the annular grooves are arranged at intervals along the length direction of the rubber sleeve.

Compared with the prior art, the utility model, the technological progress who gains lies in:

the two ends of the rubber sleeve are respectively provided with the inner sealing lips, the inner sealing lips are in interference connection with the inner pipe, the rubber sleeve is provided with a plurality of oil storage tanks close to the end of the inner pipe, each oil storage tank is uniformly arranged along the circumferential direction of the rubber sleeve at intervals, lubricating grease is arranged in each oil storage tank, when the rubber sleeve is used, the lubricating grease has a lubricating effect between the rubber sleeve and the inner pipe, the friction force between the rubber sleeve and the inner pipe is reduced, the technical problem that rubber is easy to wear in the prior art is solved, and the service life of the rubber sleeve is prolonged; to sum up, the utility model discloses lubricating grease between gum cover and the inner tube plays the lubrication action, has reduced the frictional force between gum cover and the inner tube, has solved the technical problem of the easy wearing and tearing of rubber among the prior art, is applicable to the driver's cabin upset.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic view of the present invention;

fig. 2 is a cross-sectional view of the embodiment of the present invention shown in fig. 1;

FIG. 3 is a schematic structural diagram of an inner rubber layer according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an outer rubber layer according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a sleeve according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view of an inner rubber layer in accordance with an embodiment of the present invention;

fig. 7 is a schematic view of a connection structure of the inner tube, the cab connection member, the rubber sleeve and the truck connection member according to an embodiment of the present invention.

Labeling components: 1-rubber sleeve, 101-inner sealing lip, 102-inner rubber layer, 103-middle sleeve, 104-outer rubber layer, 105-oil storage tank, 2-inner pipe and 3-annular groove.

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only for illustrating and explaining the present invention and are not to be used for limiting the present invention.

Embodiment a lining for overturning a cab

The embodiment discloses a bushing for overturning a cab, which is shown in fig. 1, 2 and 7 and comprises a rubber sleeve 1 made of high-quality rubber, wherein two ends of the rubber sleeve 1 are respectively provided with an inner sealing lip 101, the inner sealing lip 101 and the rubber sleeve 1 are integrally formed by vulcanization, the inner sealing lip 101 is in interference connection with an inner pipe 2, and the interference fit between the inner sealing lip 101 and the inner pipe 2 plays a sealing role, so that lubricating grease is prevented from overflowing in the use process of the bushing, the lubricating effect of the rubber sleeve 1 is effectively ensured, and the abrasion of the rubber sleeve 1 is reduced; the end of the rubber sleeve 1 close to the inner tube 2 is vertically provided with a plurality of oil storage tanks 105, the plurality of oil storage tanks 105 are uniformly arranged along the circumferential direction of the rubber sleeve 1 at intervals, the number of the oil storage tanks 105 is 2 multiples, such as 10, 12, 14 and the like, lubricating grease (not shown in a lubricating grease figure) is arranged in the oil storage tanks 105, the lubricating grease is solid soft, such as silicone grease, the trademark HSN4662, the lubricating grease is filled in the oil storage tanks 105, when the rubber sleeve 1 moves and deforms due to pressure and vibration, the lubricating grease in the oil storage tanks 105 flows out of the oil storage tanks 105 and is positioned between the rubber sleeve 1 and the inner tube 2, namely between the inner rubber layer of the rubber sleeve 1 and the inner tube 2, so that a lubricating effect is achieved, and the friction force between the rubber sleeve 1 and the inner tube 2 is reduced, the technical problem that rubber is prone to abrasion in the prior art is solved, the outer wall of a rubber sleeve 1 is provided with a plurality of annular grooves 3, the annular grooves 3 are arranged at intervals along the length direction of the rubber sleeve 1, the rubber sleeve 1 and the annular grooves 3 are integrally formed in a vulcanization mode, the rubber sleeve 1 is pressed in an interference mode and axially clamped on a connecting piece of a truck, the annular grooves 3 in the rubber sleeve 1 leave a space for deformation of the rubber sleeve 1, the rubber layer deforms in the pressing-in process of the rubber sleeve 1, meanwhile, the end face of the connecting piece of the truck is clamped between rubber bodies of the rubber sleeve 1, and therefore the situation that a lining is axially separated when a cab is overturned is prevented, an inner tube 2 can be made of structural steel, the inner tube 2 can be made of other metal steels, and the inner tube 2 is matched with the rubber sleeve 1; when the automobile steering wheel is used, the inner pipe 2 is sleeved on a connecting piece of a cab, the rubber sleeve 1 is pressed in an interference manner and is axially clamped on the connecting piece of a truck, when the cab is turned over, the cab applies pressure to the rubber sleeve 1, the rubber sleeve 1 moves and deforms, under the working condition of driving of the whole automobile, the cab and the road surface apply pressure and vibration to the rubber sleeve 1, the rubber sleeve 1 moves and deforms, lubricating grease in the oil storage tank 105 flows and lubricates when the rubber sleeve 1 deforms, abrasion of the rubber sleeve 1 is reduced, the technical problem that rubber is easy to abrade in the prior art is solved, and the service life of the rubber sleeve 1 is prolonged; the advantage of this embodiment is that with the above arrangement, the wear of the rubber sleeve 1 is reduced, and the service life of the rubber sleeve 1 is prolonged.

A preferred structure of the rubber sleeve 1 of the present embodiment is, as shown in fig. 2, 3, 4, 5, 6, the rubber sleeve 1 includes an inner rubber layer 102, a middle sleeve 103 and an outer rubber layer 104, the middle sleeve 103 is a metal tube, such as carbon steel, the inner rubber layer 102 is disposed on the inner side of the middle sleeve 103, the end of the inner rubber layer 102 close to the inner tube 2 is vertically provided with a plurality of oil storage grooves 105, the oil storage grooves 105 and the inner rubber layer 102 are integrally formed by vulcanization, the outer side of the middle sleeve 103 is provided with the outer rubber layer 104, the end of the outer rubber layer 104 far from the middle sleeve 103 is provided with a plurality of annular grooves 3, the plurality of annular grooves 3 are arranged at intervals along the length direction of the rubber sleeve 1, the outer rubber layer 104 and the annular grooves 3 are integrally formed by vulcanization, the middle sleeve 103, the inner rubber layer 102 and the outer rubber layer 104 are integrally formed by vulcanization, the hardness (Shore a) of the inner rubber layer 102 is 80 ± 5, which has a higher hardness, provides a supporting strength, and a small abrasion and a high abrasion resistance, and the inner rubber layer 102 plays a role of isolation between the inner tube 2 and the middle sleeve 103 in the rubber sleeve 1; the hardness (Shore A) of the outer rubber layer 104 is 50 +/-5, the hardness is lower, and the outer rubber layer 104 is softer, so that vibration isolation and buffering effects are achieved; the advantage of this embodiment is that, with the above arrangement, the rubber sleeve 1 has high wear resistance and cushioning property.

The embodiment of the utility model provides a theory of operation as follows:

when the automobile anti-theft device is used, the inner pipe 2 is sleeved on a connecting piece of a cab, the outer wall of the rubber sleeve 1 is pressed in an interference mode and is axially clamped on the connecting piece of a truck, when the cab is turned over, the rubber sleeve 1 is stressed by the cab to move and deform, under the working condition that the whole automobile runs, the rubber sleeve 1 is stressed and vibrated by the cab and the road surface, the rubber sleeve 1 moves and deforms, lubricating grease in the oil storage tank 105 flows and lubricates when the rubber sleeve 1 deforms, and abrasion of the rubber sleeve 1 is reduced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the protection of the claims of the present invention.

Claims

1. The utility model provides a driver's cabin is bush for upset which characterized in that: including gum cover (1), the both ends of gum cover (1) are equipped with interior seal lip (101) respectively, interior seal lip (101) interference fit connection inner tube (2), gum cover (1) are close to the vertical a plurality of oil storage tanks (105) that are equipped with in inner tube (2) end, each oil storage tank (105) are followed the even interval in circumference of gum cover (1) sets up, each be equipped with lubricating grease in oil storage tank (105).

2. The bushing for cab turnover of claim 1, wherein: the lubricating grease is solid soft.

3. The bushing for cab turnover of claim 1, wherein: the number of the oil storage tanks (105) is a multiple of 2.

4. The bushing for cab turnover of claim 1, wherein: the rubber sleeve (1) comprises an inner rubber layer (102), a middle sleeve (103) and an outer rubber layer (104), wherein the inner rubber layer (102) is arranged on the inner side of the middle sleeve (103), and the outer rubber layer (104) is arranged on the outer side of the middle sleeve (103).

5. The cab-overturning sleeve according to claim 4, wherein: the hardness of the inner rubber layer (102) is 80 +/-5.

6. The bushing for cab turnover of claim 5, wherein: the hardness of the outer rubber layer (104) is 50 +/-5.

7. The cab-overturning sleeve according to claim 6, wherein: the middle sleeve (103), the inner rubber layer (102) and the outer rubber layer (104) are integrally formed in a vulcanization mode.

8. The bushing for cab turnover of claim 1, wherein: the outer wall of gum cover (1) is equipped with a plurality of annular grooves (3), each annular groove (3) are followed the length direction interval of gum cover (1) sets up.