CN212861080U - Gearbox suspension bush - Google Patents

Abstract

The utility model discloses a gearbox suspension bush, including inner frame, outer skeleton and connected rubber spare between them, the top surface of inner frame covers there is the bolster, and outer skeleton is put in inner frame, bolster periphery, and the rubber spare includes the outer loop, and the outer loop is including outer skeleton parcel. The structure setting is optimized, and the durability of the product is improved.

Description

Gearbox suspension bush

Technical Field

The utility model relates to an automobile parts especially relates to a gearbox suspension bush.

Background

The suspension shock-absorbing device of the automobile gearbox is a main part used for ensuring the stable operation of the automobile gearbox, and the rotation of an automobile engine and the jolt generated by the running of the automobile can be added with dynamic pressure to cause the vibration and the noise of related parts. If the amplitude of the vibration is close to that at resonance, damage to the transmission and its associated parts can result, reducing strength, efficiency and life. The suspension damping device of the automobile gearbox plays a great role in damping and reducing noise. Therefore, the performance of the suspension damping device of the automobile gearbox is beneficial to reducing noise, prolonging the service life of the automobile, improving the comfort of taking the automobile and the like.

At present, a suspension damping device for an automobile gearbox generally comprises a lining inner framework, lining rubber and a lining outer framework. The periphery of the bushing rubber is vulcanized together with the bushing outer sleeve, the inner wall of the bushing rubber is vulcanized together with the bushing inner framework, the bushing inner framework can move or even contact with the bushing rubber in different working conditions of the automobile running process, and the bushing rubber plays a role in buffering. The movement limit of the inner framework of the bushing is limited by the outer sleeve of the bushing.

However, the existing suspension structure has the following problems: there is the interval in the vertical direction with the outer skeleton of bush in the bush inner frame, and the bush inner frame receives vertical ascending power easily to lead to the bush inner frame to collide with the rubber spare of bush internal face easily, lead to suspension structure's durable not good.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a gearbox suspension bush is provided, optimize the structure setting, improve the durability of product.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a gearbox suspension bush, includes inner frame, outer skeleton and has connected rubber spare between them, the top surface of inner frame cover and have stamped the bolster, outer skeleton set up in inner frame, bolster periphery, rubber spare include the outer loop, the outer loop including outer skeleton parcel.

The utility model discloses further preferred scheme: the two sides of the top of the inner framework are inwards provided with V-shaped clamping grooves, and the bottoms of the two sides of the buffer part are embedded into the clamping grooves.

The utility model discloses further preferred scheme: the buffer piece is provided with a positioning pin, and the positioning pin is inserted into the inner framework.

The utility model discloses further preferred scheme: the end part of the buffer piece is provided with a limiting supporting leg which is buckled on the inner framework.

The utility model discloses further preferred scheme: the rubber piece also comprises an inner ring wrapped on the outer surface of the inner framework and two connecting pieces connected with the outer ring and the inner ring.

The utility model discloses further preferred scheme: the inner ring is arranged on the inner ring, the inner wall of the buffer part is in contact connection with the inner ring, and the buffer part is connected with the inner framework through the inner ring.

The utility model discloses further preferred scheme: the cross section of the inner framework is of an inverted triangle structure, and the connecting pieces correspond to the inclined planes on the two sides of the inner framework.

The utility model discloses further preferred scheme: the outer framework is of a planar annular structure at the bottom, inward depressions are arranged on two sides of the outer framework, and the depressions correspond to the top of the inner framework.

The utility model discloses further preferred scheme: the surface of the outer framework is covered with a plurality of through holes.

The utility model discloses further preferred scheme: the inner wall surface of the outer ring and the corresponding buffer part are provided with convex blocks.

Compared with the prior art, the utility model has the advantages of, the top surface of inner frame 1 covers there is the bolster, compares in traditional structure, the utility model discloses have better shock attenuation shock-absorbing capacity on vertical ascending direction, alleviated inner frame and outer skeleton and collided the loss that causes the durability.

Further, the rubber part of the utility model comprises an outer ring, wherein the outer ring wraps the outer framework. Namely, the utility model provides an exoskeleton plays bearing structure's effect as a structure that is located the inside of rubber spare. The inner frame is in the moving process under stress and collides with the outer ring of the rubber part, so that the damping and buffering performance is further improved, and the loss of durability caused by collision of the inner frame and the outer frame is relieved.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

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

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic structural view of the present invention without a rubber member.

Wherein the reference numerals are specified as follows: the inner framework comprises an inner framework 1, an outer framework 2, a buffer part 3, an outer ring 4a, an inner ring 4b, a connecting part 4c, a clamping groove 5, a positioning pin 6, a limiting supporting leg 7, a recess 8, a through hole 9 and a lug 10.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1 to 3: the utility model provides a gearbox suspension bush, includes inner frame 1, outer frame 2 and has connected rubber spare between them, and the top surface of inner frame 1 covers has bolster 3, and outer frame 2 sets up at inner frame 1, 3 peripheries of bolster, and the rubber spare includes outer loop 4a, and outer loop 4a includes outer frame 2 parcel.

Two sides of the top of the inner framework 1 are inwards provided with V-shaped clamping grooves 5, and the bottoms of two sides of the buffer part 3 are embedded into the clamping grooves 5. The utility model discloses a structurally set up draw-in groove 5 structure, correspond and set up bolster 3 structure to simple be connected bolster 3 and inner frame 1, be convenient for the utility model discloses an installation.

The buffer member 3 is provided with a positioning pin 6, and the positioning pin 6 is inserted into the inner frame 1. The utility model discloses a stability of 3 installations of bolster is further consolidated to locating pin 6, can adapt to big impact load.

The end part of the buffer piece 3 is provided with a limiting supporting leg 7, and the limiting supporting leg 7 is buckled on the inner framework 1. Preliminary assembly is performed through the spacing legs 7, and the assembly of the buffer member 3 can also be stabilized to a certain extent.

The rubber part also comprises an inner ring 4b wrapped on the outer surface of the inner framework 1 and two connecting pieces 4c connecting the outer ring 4a and the inner ring 4 b.

The utility model discloses specific theory, bolster 3 is not direct with the contact of inner frame 1, but through the parcel in its inner circle 4b contact connection at its surface. The buffer member 3 is arranged on the top surface of the inner ring 4b, the inner wall of the buffer member 3 is in contact connection with the inner ring 4b, and the buffer member 3 is connected with the inner framework 1 through the inner ring 4 b.

The utility model discloses further preferred scheme, inner frame 1's cross section becomes the structure of falling the triangle, and connecting piece 4c corresponds inner frame 1's both sides inclined plane. The two connecting pieces 4c are in a herringbone structure. The utility model discloses a connecting piece 4 c's structure setting, further strengthen the utility model discloses at the ascending shock attenuation buffering effect of vertical side, improve the utility model discloses a product property can.

The bottom of the outer framework 2 is a planar annular structure, inward depressions 8 are arranged on two sides of the outer framework 2, and the depressions 8 correspond to the top of the inner framework 1. The limit to the moving stroke of the two sides of the inner framework 1 can be realized, and a good damping and buffering effect is realized.

The surface of the outer frame 2 is covered with a plurality of through holes 9, and the outer ring 4a is partially fitted into the through holes 9. The structure of through-hole 9 sets up the cost that once reduces skeleton material (aluminium), and secondly satisfies the light-weighted requirement of product, and three then increases the utility model discloses a shock attenuation shock-absorbing capacity has increased the connection face between outer skeleton 2 and the rubber spare on four sides, ensures the stability of being connected between inner frame 1 and the rubber spare, does not take place to drop.

The inner wall surface of the outer ring 4a and the corresponding cushion 3 are provided with projections 10. Further strengthen the utility model discloses at the ascending shock attenuation shock-absorbing capacity of vertical ascending side.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above is to the utility model discloses going on the detailed introduction, having used specific individual example to right in this paper the utility model discloses a principle and implementation mode have been elucidated, and the explanation of above embodiment only is used for helping understanding the utility model discloses and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (10)

1. The utility model provides a gearbox suspension bush, its characterized in that includes inner frame, outer skeleton and has connected rubber spare between them, inner frame's top surface cover have the bolster, outer skeleton set up in inner frame, bolster periphery, rubber spare include the outer loop, the outer loop including outer skeleton parcel.

2. The gearbox suspension bushing of claim 1, wherein said inner frame top portion is provided with a V-shaped notch inwardly on both sides, and said damper member is inserted into said notch on both sides.

3. The gearbox suspension bushing of claim 1, wherein said bumper member is provided with a locating pin, said locating pin being inserted into said inner frame.

4. The gearbox suspension bushing of claim 1, wherein the end of said snubber has a limit leg, said limit leg being fastened to the inner frame.

5. The gearbox suspension bushing of claim 1, wherein said rubber member further comprises an inner ring wrapped around an outer surface of said inner frame, and two connecting members connecting said outer ring to said inner ring.

6. The gearbox suspension bushing of claim 5, wherein said buffer member is disposed on a top surface of said inner ring, an inner wall of said buffer member is in contact with said inner ring, and said buffer member is connected to said inner frame via said inner ring.

7. The gearbox suspension bushing of claim 5, wherein said inner frame has an inverted triangular cross-section, and said connecting members correspond to two side chamfers of said inner frame.

8. The gearbox suspension bushing of claim 1, wherein the outer frame is a ring structure with a planar bottom, and inward recesses are formed on two sides of the outer frame and correspond to the top of the inner frame.

9. A gearbox suspension bushing as defined in claim 1 wherein said exoskeleton surface is covered with a plurality of through-holes.

10. The gearbox suspension bushing of claim 1, wherein the inner wall surface of the outer ring and the corresponding bumper are provided with protrusions.

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