Connecting structure of upper air chamber and vibration isolation block

Abstract

The utility model discloses an upper air chamber and vibration isolation block connecting structure which comprises an upper air chamber, bolts and a filling piece, and a plurality of installation through holes used for installing the bolts are formed in the top of the upper air chamber. The inner wall of the top of the upper air chamber is filled with the filling piece, so that a bolt head of the bolt is attached to the inner wall of the top of the upper air chamber at the mounting through hole, and a screw of the bolt extends out of the mounting through hole; the filling piece, the inner wall of the top of the upper air chamber and the bolt head of the bolt are integrally vulcanized and formed, or the filling piece is formed by curing resin. Compared with the prior art, the connecting structure has the advantages that the connecting structure does not need to use parts such as a nut for connection, and does not need to use an O-shaped ring for sealing the position between the vibration isolation block structure and the upper air chamber, so that the cost is reduced, and meanwhile, the convenience of mounting and fixing is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to air spring technical field, concretely is an upper air chamber and vibration isolation block connecting structure. BACKGROUND

[0002] Air spring is suitable for connecting between vehicle chassis suspension and tire, and its function is to absorb the vibration generated in the tire driving process, improve the comfort of vehicle driving. Vibration isolation block is a component of air spring, and its function is to support the shock absorber piston rod, and together with the shock absorber, it can suppress the vibration of the spring mass, and isolate the vibration and noise transmitted by the spring mass. When the shock isolation block is placed in the groove of the upper air chamber, it is necessary to use the internal thread cover plate to threadedly fix the shock isolation pad or use the spring and the cover plate to press and fix the shock isolation block, complete the installation of the shock isolation block, and at the same time, it is also necessary to use the O-ring to seal between the shock isolation block and the inner wall of the upper air chamber groove, which results in many installation parts between the upper air chamber and the shock isolation block, and the installation process is complex. SUMMARY

[0003] The technical problem to be solved by the utility model lies in how to reduce the part use cost and improve the convenience of the installation process.

[0004] To solve the above technical problems, the utility model provides the following technical scheme:

[0005] An upper air chamber and vibration isolation block connecting structure, including upper air chamber, inner framework and filling piece, the upper air chamber top is provided with installation groove, the inner wall of installation groove is provided with convex structure, the inner framework sets up in installation groove, the filling piece fills in the space between the inner wall of installation groove and the outer wall of inner framework and forms the cladding to connect the upper air chamber and inner framework, the filling piece and the upper air chamber and inner framework between one body vulcanization forming.

[0006] By injecting the filling piece to the position of the inner wall of the installation groove and the outer wall of the inner framework, the filling piece is vulcanized and solidified inside the groove and outside the inner framework, which is used to connect and fix between the inner wall of the installation groove and the outer wall of the inner framework, so that the upper air chamber and the inner framework are vulcanized and integrated, the original function of the vibration isolation rubber is maintained, and the filling piece can be fixed stably with the upper air chamber after vulcanization, without using nuts and other parts for connection, and without using O-rings to seal the position between the vibration isolation block structure and the upper air chamber, which reduces the cost and improves the convenience of installation and fixation.

[0007] Preferably, the upper air chamber includes an upper cover plate and a lower cover plate, the upper cover plate is fixed on the lower cover plate, and the installation groove is arranged on the upper cover plate.

[0008] Preferably, a plurality of fixing bolts are arranged on the upper cover plate.

[0009] Preferably, the bottom of the mounting groove on the upper air chamber is also provided with a support platform, and the support platform is provided with a first through hole.

[0010] Preferably, the inner skeleton is provided with a second through hole in the middle.

[0011] Preferably, the first through hole and the second through hole have the same center axis.

[0012] Preferably, the outer side of the inner skeleton is provided with a protruding part buckled with the filling part.

[0013] Preferably, the protruding structure has a V-shaped cross section.

[0014] Preferably, the filling part is a rubber part.

[0015] Compared with the prior art, the present application has the following advantages:

[0016] By injecting the filling part into the position between the inner wall of the mounting groove and the outer wall of the inner skeleton, the filling part is vulcanized and solidified inside the groove and outside the inner skeleton, and is used for connecting and fixing the inner wall of the mounting groove and the outer wall of the inner skeleton, so that the upper air chamber and the inner skeleton are vulcanized and integrated, the original function of the vibration isolation rubber is maintained, and the filling part can be stably fixed with the upper air chamber after vulcanization, without the need of using nuts and other parts for connection, and without the need of using O-rings to seal the position between the vibration isolation block structure and the upper air chamber, thereby reducing the cost and improving the convenience of installation and fixation. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 is a structure schematic view of the embodiment of the present application;

[0018] Fig. 2 is a sectional view of the embodiment of the present application;

[0019] Fig. 3 is a local structure schematic view of the embodiment of the present application. DETAILED DESCRIPTION

[0020] In order to facilitate those skilled in the art to understand the technical scheme of the present application, the technical scheme of the present application will be further described in conjunction with the drawings of the specification.

[0021] In this application, unless specifically defined otherwise, the terms "mounting", "connected", "connection", "fixed", and the like should be construed broadly and do not necessarily imply that two elements are directly connected to each other. It will be apparent to those skilled in the art that these terms can encompass a wide variety of structures, including indirect connections, wireless connections, physical connections, electrical connections, communication connections, and the like. Unless specifically stated otherwise, the terms "first", "second", and the like do not indicate any importance or constitute a limitation.

[0022] In this application, unless specifically defined otherwise, the terms "first", "second" are used only for descriptive purposes and should not be construed as indicating or implying relative importance or an implied limitation on the number of features being described. Thus, features defined with "first" and "second" can include one or more of the features. In the description of the application, the meaning of "a plurality of" is two or more, unless specifically defined otherwise.

[0023] Reference Figs. 1 to 3 The embodiment discloses an upper air chamber and vibration isolation block connecting structure, comprising an upper air chamber 1, an inner frame 2 and a filling piece 3, the upper air chamber 1 comprises an upper cover plate 11, a lower cover plate 12 and a fixing bolt 13, the upper cover plate 11 is fixed on the lower cover plate 12, the upper cover plate 11 is provided with a mounting groove 101, and the upper cover plate 11 is also provided with a plurality of fixing bolts 13.

[0024] The inner wall of the mounting groove 101 is provided with a convex structure 102 with a V-shaped cross section, the inner frame 2 is arranged in the mounting groove 101, and the filling piece 3 fills the space between the inner wall of the mounting groove 101 and the outer wall of the inner frame 2 to form a cladding to connect the upper cover plate 11 and the inner frame 2. The filling piece 3 is integrally vulcanized with the upper cover plate 11 and the inner frame 2, so that the inner frame 2 and the filling piece 3 form a vibration isolation block structure, and in the embodiment, the filling piece 3 is a rubber piece.

[0025] By injecting the filling piece 3 into the positions of the inner wall of the mounting groove 101 and the outer wall of the inner frame 2, the filling piece 3 is vulcanized and solidified inside the groove 101 and outside the inner frame 2, so as to be connected and fixed between the inner wall of the mounting groove 101 and the outer wall of the inner frame 2, thereby vulcanizing the upper air chamber 1 and the inner frame 2 integrally, maintaining the original function of the vibration isolation rubber while being able to be fixed and sealed. And through the setting of the convex structure 102, the vulcanized filling piece 3 can be stably fixed with the upper air chamber 1, without using nuts and other parts for connection, and without using O-rings to seal the positions between the vibration isolation block structure and the upper air chamber 1, thereby reducing the cost and improving the convenience of installation and fixation.

[0026] The bottom of the mounting groove 101 on the upper cover plate 11 is further provided with a support platform 111 for supporting the filler 3, and the first through hole 103 is formed in the support platform 111.

[0027] The second through hole 201 is formed in the middle of the inner framework 2, and the center axes of the first through hole 103 and the second through hole 201 are the same.

[0028] Further, the outer side of the inner framework 2 is provided with a protruding part 21 buckled with the filler 3, so as to ensure the stable connection between the inner framework 2 and the filler 3.

[0029] The mounting process of the embodiment is as follows: during mounting, the inner framework 2 is first placed into the mounting groove 101 of the upper cover plate 11, then the inner framework 2 in the mounting groove 101 is lifted up from the bottom of the upper air chamber 1 by using a tool, the top of the inner framework 2 is then pressed and fixed by moving the tool downward from the top of the upper cover plate 11, and then the filler 3 is injected into the mounting groove 101 and the outer side of the inner framework 2 by using the tool, so that the filler 3 is vulcanized and solidified in the mounting groove 101 and the outer side of the inner framework 2, thereby connecting the inner wall of the mounting groove 101 and the outer wall of the inner framework 2, so that the upper air chamber 1 and the inner framework 2 are integrally vulcanized, the original function of the vibration isolation rubber is maintained, and the upper air chamber 1 and the inner framework 2 can be fixed and sealed, and the filler 3 after vulcanization can be stably fixed with the upper air chamber 1 without using nuts and other parts for connection, and the O-ring is also not needed for sealing the position between the vibration isolation block structure and the upper air chamber 1, thereby reducing the cost and improving the convenience of mounting and fixing.

[0030] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the present application, and any reference signs in the claims should not be regarded as limiting the claims.

[0031] The above-described embodiments only represent the implementation of the present application, and the protection scope of the present application is not limited to the above-described embodiments. For those skilled in the art, several modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application.

Claims

1. An air chamber and vibration isolation block connection structure characterized by: The utility model provides a kind of air chamber, inner framework and filling piece, the top of the air chamber is provided with mounting groove, the inner wall of the mounting groove is provided with protruding structure, the inner framework is arranged in mounting groove, the filling piece is filled in the space between the inner wall of mounting groove and the outer wall of inner framework, and the air chamber and the inner framework are connected by being covered, and the filling piece is integrally vulcanized with the air chamber and the inner framework.

2. The upper plenum and isolation block connection structure of claim 1, wherein: The air chamber includes an upper cover plate and a lower cover plate, the upper cover plate is fixed on the lower cover plate, and the mounting groove is arranged on the upper cover plate.

3. The upper plenum and isolation block connection structure of claim 2, wherein: A plurality of fixing bolts are further arranged on the upper cover plate.

4. The upper plenum and isolation block connection structure of claim 1, wherein: A support platform is further arranged at the bottom of the mounting groove on the air chamber, and a first through hole is arranged on the support platform.

5. The upper plenum and isolation block connection structure of claim 4, wherein: A second through hole is arranged in the middle of the inner framework.

6. The upper plenum and isolation block connection structure of claim 5, wherein: The central axes of the first through hole and the second through hole are the same.

7. The upper plenum and isolator block connection structure of claim 1, wherein: A protruding part for buckling with the filling piece is arranged on the outer side of the inner framework.

8. The upper plenum and isolation block connection structure of claim 1, wherein: The cross-sectional shape of the protruding structure is V-shaped.

9. The upper plenum and isolation block connection structure of claim 1, wherein: The filling piece is a rubber piece.

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