CN208698403U - A kind of commercial vehicle rear suspension carrying rocker arm bush - Google Patents

Abstract

The utility model discloses a kind of commercial vehicle rear suspensions to carry rocker arm bush, including outer tube, rubber bodies and inner sleeve, the outer tube, rubber bodies and inner sleeve are co-axially mounted from inside to outside and vulcanize integrally formed glued part, fixing sleeve is connected to baffle on the inner sleeve, the baffle is located at the lower section of rubber bodies, the upper surface of the baffle is fixedly installed with several uniform rings around the gag lever post of distribution, the utility model is that a kind of commercial vehicle rear suspension carries rocker arm bush, by the way that gag lever post is arranged, limit hole, protrusion, spring and oil guide groove etc., having reached prevents rubber bodies to be broken, increase the effect of bumper and absorbing shock function and anti-corrosion, it solves and is easy that fracture and displacement occurs with outer tube or inner sleeve in internal rubber bodies, lead to structural failure, durability is lower, and damping effect relies on rubber pad and rubber bodies, damping effect It is lower, usually since environmental problem leads to the problem of corroding between bearing and inner sleeve.

Description

A kind of commercial vehicle rear suspension carrying rocker arm bush

Technical field

The utility model relates to the technical field of mechanical processing for commercial vehicle, specially a kind of commercial vehicle rear suspension Carry rocker arm bush.

Background technique

Rear suspension carrying rocker arm bush in automobile is indispensable important component in motor vehicles rocker arm body, is being shaken In the relative movement of arm and axis, play the role of protecting parts, it is therefore prevented that due to parts caused by rubbing for a long time Loss reduces the abrasion between part, only needs replacing rocker arm bush in maintenance, reduce the difficulty of maintenance at This, reduces vibration, improves the comfort of vehicle.

Existing most of commercial rear overhang rack carrying rocker arm bush is biggish due to needing to bear during the work time Torsion is easy in internal rubber bodies that fracture and displacement occurs with outer tube or inner sleeve, leads to structural failure, durability compared with It is low, and damping effect relies on rubber pad and rubber bodies, damping effect is lower, usually due to environmental problem between bearing and inner sleeve Cause to corrode.

Utility model content

The purpose of this utility model is to provide a kind of commercial vehicle rear suspensions to carry rocker arm bush, to solve above-mentioned background The problem of being proposed in technology.

To achieve the above object, the utility model provides the following technical solutions:

A kind of commercial vehicle rear suspension carrying rocker arm bush, including outer tube, rubber bodies and inner sleeve, the outer tube, Rubber bodies and inner sleeve are co-axially mounted from inside to outside and vulcanize integrally formed glued part, and fixing sleeve is connected to gear on the inner sleeve Plate, the baffle are located at the lower section of rubber bodies, and the upper surface of the baffle is fixedly installed with several uniform rings around the limit of distribution Position bar, the lower end surface of the rubber bodies correspond to and offer limit hole at gag lever post position, and the gag lever post is plugged in limit hole Portion, the gag lever post run through rubber bodies and extend to the top of rubber bodies, and the upper surface of the outer tube is fixedly installed with support Plate, the support plate are located at the top of rubber bodies, and the upper surface of the gag lever post is fixedly connected with the lower end surface of support plate.

Preferably, the upper surface of the inner sleeve offers several oil filler points, the left and right end face of the inner sleeve inside pipe wall Oil guide groove is offered, the lower end surface of the oil filler point inner wall is connected with oil guide groove by oil-feed tank.

Preferably, buffer board is provided with above the support plate, the buffer board is actively socketed on inner sleeve, described Spring is fixedly installed between the upper surface of support plate and the lower end surface of buffer board, the quantity of the spring is several, several For a spring uniform ring around the outside for being distributed in inner sleeve, the upper surface of the support plate is fixedly installed guide pad, the guiding Block is located at the outside of spring, and movable sleeve is connected to guide sleeve on the guide pad, under the upper surface and buffer board of the guide sleeve End face is fixedly connected.

Preferably, the section of the guide pad is T shape, the shape size phase of the shape size and guide pad of the guide sleeve The opening width of adaptation, the guide sleeve is less than guide pad top width.

Preferably, the upper surface of the buffer board is fixedly installed with rubber pad.

Preferably, several equally distributed protrusions are fixedly installed on the outer tube and inner sleeve opposite face.

Compared with prior art, the utility model has the beneficial effects that a kind of commercial vehicle rear suspension carries rocker arm bush, Protrusion on outer tube and inner sleeve increases the frictional force between rubber bodies, the position of gag lever post and the fixed rubber bodies of limit hole It sets, reduces the torsion being subject to inside rubber bodies, prevent rubber bodies and outer tube or inner sleeve from fracture and displacement, buffer board occurs On rubber pad and support plate on spring enhance buffering and cushioning ability, oil filler point, oil guide groove and oil-feed tank are by anticorrosion Oil imports inside inner sleeve, prevents from causing because of corrosion dismantling when maintenance difficult.The utility model is a kind of commercial vehicle rear suspension Carry rocker arm bush, by setting gag lever post, limit hole, protrusion, spring and oil guide groove etc., reached prevent rubber bodies fracture, The effect for increasing bumper and absorbing shock function and anti-corrosion solves easy to be disconnected with outer tube or inner sleeve generation in internal rubber bodies It splits and is displaced, lead to structural failure, durability is lower, and damping effect relies on rubber pad and rubber bodies, and damping effect is lower, axis It holds between inner sleeve usually since environmental problem leads to the problem of corroding.

Detailed description of the invention

Fig. 1 is the structural schematic diagram that a kind of commercial vehicle rear suspension carries rocker arm bush.

In figure: 1- outer tube, 2- rubber bodies, 3- inner sleeve, 4- protrusion, 5- gag lever post, 6- limit hole, 7- baffle, 8- branch Fagging, 9- buffer board, 10- rubber pad, 11- spring, 12- guide pad, 13- guide sleeve, 14- oil guide groove, 15- oil-feed tank, 16- note Oilhole.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Referring to Fig. 1, the utility model provides a kind of technical solution: a kind of commercial vehicle rear suspension carrying rocker arm bush, Including outer tube 1, rubber bodies 2 and inner sleeve 3, the outer tube 1, rubber bodies 2 and inner sleeve 3 are co-axially mounted from inside to outside and sulphur Change integrally formed glued part, fixing sleeve is connected to baffle 7 on the inner sleeve 3, and the baffle 7 is located at the lower section of rubber bodies 2, described The upper surface of baffle 7 is fixedly installed with gag lever post 5 of several uniform rings around distribution, the corresponding limit in the lower end surface of the rubber bodies 2 Position offers limit hole 6 at 5 position of bar, and the gag lever post 5 is plugged on inside limit hole 6, and the gag lever post 5 runs through rubber bodies 2 And the top of rubber bodies 2 is extended to, the upper surface of the outer tube 1 is fixedly installed with support plate 8, and the support plate 8 is located at rubber The upper surface of the top of colloid 2, the gag lever post 5 is fixedly connected with the lower end surface of support plate 8.

Preferably, the upper surface of the inner sleeve 3 offers several oil filler points 16, the left and right of 3 inner wall of inner sleeve End face offers oil guide groove 14, and the lower end surface of 16 inner wall of oil filler point is connected with oil guide groove 14 by oil-feed tank 15.

Preferably, the top of the support plate 8 is provided with buffer board 9, and the buffer board 9 is actively socketed on inner sleeve 3, It is fixedly installed with spring 11 between the upper surface of the support plate 8 and the lower end surface of buffer board 9, if the quantity of the spring 11 is Dry, around the outside for being distributed in inner sleeve 3, the upper surface of the support plate 8 is fixedly installed leads several 11 uniform rings of spring To block 12, the guide pad 12 is located at the outside of spring 11, and movable sleeve is connected to guide sleeve 13, the guiding on the guide pad 12 The upper surface of set 13 is fixedly connected with the lower end surface of buffer board 9.

Preferably, the section of the guide pad 12 is T shape, the shape size of the guide sleeve 13 and the shape of guide pad 12 Size is adapted, and the opening width of the guide sleeve 13 is less than 12 top width of guide pad.

Preferably, the upper surface of the buffer board 9 is fixedly installed with rubber pad 10.

Preferably, be fixedly installed on 3 opposite face of the outer tube 1 and inner sleeve several equally distributed raised 4.

The working principle of the utility model is: a kind of commercial vehicle rear suspension carries rocker arm bush, outer tube 1 and inner sleeve Protrusion 4 on 3 increases the frictional force between rubber bodies 2, and the position of gag lever post 5 and the fixed rubber bodies 2 of limit hole 6 reduces The torsion being subject to inside rubber bodies 2 prevents rubber bodies and outer tube or inner sleeve from occurring fracture and displacement, on buffer board 9 Spring 11 on rubber pad 10 and support plate 8 enhances buffering and cushioning ability, and oil filler point 16, oil guide groove 14 and oil-feed tank 16 will Rust preventive oil imports inside inner sleeve 3, prevents from causing because of corrosion dismantling when maintenance difficult.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (6)

1. a kind of commercial vehicle rear suspension carries rocker arm bush, including outer tube (1), rubber bodies (2) and inner sleeve (3), described Outer tube (1), rubber bodies (2) and inner sleeve (3) are co-axially mounted from inside to outside and vulcanize integrally formed glued part, and feature exists In: fixing sleeve is connected to baffle (7) on the inner sleeve (3), and the baffle (7) is located at the lower section of rubber bodies (2), the baffle (7) upper surface is fixedly installed with gag lever post (5) of several uniform rings around distribution, and the lower end surface of the rubber bodies (2) is corresponding It is offered limit hole (6) at gag lever post (5) position, the gag lever post (5) is plugged on limit hole (6) inside, the gag lever post (5) Through rubber bodies (2) and the tops of rubber bodies (2) is extended to, the upper surface of the outer tube (1) is fixedly installed with support plate (8), the support plate (8) is located at the top of rubber bodies (2), the upper surface of the gag lever post (5) and the lower end surface of support plate (8) It is fixedly connected.

2. a kind of commercial vehicle rear suspension according to claim 1 carries rocker arm bush, it is characterised in that: the inner sleeve (3) upper surface offers several oil filler points (16), and the left and right end face of inner sleeve (3) inner wall offers oil guide groove (14), the lower end surface with oil guide groove (14) of oil filler point (16) inner wall are connected by oil-feed tank (15).

3. a kind of commercial vehicle rear suspension according to claim 1 carries rocker arm bush, it is characterised in that: the support plate (8) be provided with above buffer board (9), the buffer board (9) is actively socketed on inner sleeve (3), the support plate (8) it is upper It is fixedly installed between end face and the lower end surface of buffer board (9) spring (11), the quantity of the spring (11) is several, several A spring (11) uniform ring is fixedly installed guide pad around the outside for being distributed in inner sleeve (3), the upper surface of the support plate (8) (12), the guide pad (12) is located at the outside of spring (11), and movable sleeve is connected to guide sleeve (13), institute on the guide pad (12) The upper surface for stating guide sleeve (13) is fixedly connected with the lower end surface of buffer board (9).

4. a kind of commercial vehicle rear suspension according to claim 3 carries rocker arm bush, it is characterised in that: the guide pad (12) section is T shape, and the shape size of the guide sleeve (13) is adapted with the shape size of guide pad (12), the guiding The opening width for covering (13) is less than guide pad (12) top width.

5. a kind of commercial vehicle rear suspension according to claim 3 carries rocker arm bush, it is characterised in that: the buffer board (9) upper surface is fixedly installed with rubber pad (10).

6. a kind of commercial vehicle rear suspension according to claim 1 carries rocker arm bush, it is characterised in that: the outer tube (1) and on inner sleeve (3) opposite face several equally distributed raised (4) are fixedly installed.