Air spring supporting ring assembly tool

Abstract

The utility model discloses an air spring supporting ring assembly tool which comprises a pressing head, a guide face, a sealing face, a first installation part, a second installation part, a supporting ring, a guide ring, a chamfer, a bag skin and a guide part. After the bag skin is sleeved with the cylindrical sealing face part through air inflation, certain air tightness is kept on the cylindrical sealing face, air leakage is avoided no matter how the end of the bag skin makes contact with the guide face in the subsequent press-fitting process, the bag skin has certain rigidity all the time, and the bag skin can be sleeved with a supporting ring conveniently.

Description

TECHNICAL FIELD

[0001] The utility model belongs to passenger car air spring assembly equipment technical field, concretely relates to an air spring support ring assembly tool. BACKGROUND

[0002] At present, the air spring behind the passenger car generally bears the load and the spring stiffness requirement is relatively large, and the swing angle of the rear suspension is also relatively large, which determines that the diameter difference between the air spring guide cylinder and the piston buckling position is large, which leads to the diameter difference between the support ring and the bladder skin is also larger, so that the difficulty of installing the support ring into the bladder skin cavity is also increased.

[0003] And the assembly method of the support ring is mainly to inflate and expand the bladder skin, and the inflated bladder skin has a certain rigidity under the action of internal gas pressure, and then the support ring is pressed in through the tool, because the diameter difference between the support ring and the bladder skin is getting larger and larger, so it is difficult for the original tool to install the support ring into the bladder skin. INNOVATION CONTENT

[0004] The utility model aims at providing an air spring support ring assembly tool to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: an air spring support ring assembly tool, comprising:

[0006] The pressure head top end is used for cooperating with the external driving jacking mechanism to expand the bladder skin;

[0007] The outer peripheral wall of the pressure head is sequentially provided from top to bottom with a first installation part for sleeving and placing the support ring to be installed, a second installation part for sleeving and placing the guide ring, a cylindrical sealing surface for completely sealing the bladder skin and a guide surface for guiding into the bladder skin;

[0008] The guide ring top end is in contact with the support ring to be installed, and the guide ring top end gradually shrinks to the guide ring bottom end.

[0009] Preferably, the guide ring bottom end is provided with a chamfer.

[0010] Preferably, the guide ring top end outer diameter is smaller than the support ring outer diameter.

[0011] Preferably, the guide ring is a detachable structure, and the guide ring can be evenly divided into a plurality of guide parts along the circumferential direction.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The bladder skin is inflated and sleeved into the cylindrical sealing surface part, and maintains a certain air tightness at the cylindrical sealing surface, and does not leak air in the subsequent pressing process regardless of the contact between the end of the bladder skin and the guide surface, so that the bladder skin always has a certain rigidity, and the bladder skin is sleeved with the support ring. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a whole schematic view of the utility model

[0015] Fig. 2 It is a whole schematic view of the utility model

[0016] Fig. 3 It is a whole schematic view of the utility model

[0017] In the figure: 1, the pressing head; 11, the guide surface; 12, the cylindrical sealing surface; 13, the first mounting part; 14, the second mounting part; 2, the support ring; 3, the guide ring; 31, the chamfer; 4, the bladder skin; 5, the guide part. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0019] Please refer to Figs. 1-3 The utility model provides a kind of technical solutions: an air spring support ring assembly tool, comprising:

[0020] The pressing head 1, the top end of the pressing head 1 is used to cooperate with external driving jacking mechanism to expand the processing of bladder skin 4;

[0021] The first mounting part 13 for sleeving and placing the support ring 2 to be installed is sequentially arranged on the outer peripheral wall of the pressing head 1 from top to bottom, the second mounting part 14 for sleeving and placing the guide ring 3, the cylindrical sealing surface 12 for completely sealing the bladder skin 4 and the guide surface 11 for guiding into the bladder skin 4 are sequentially arranged on the outer peripheral wall of the pressing head 1 from top to bottom;

[0022] And the top end of the guide ring 3 is attached to the support ring 2 to be installed, and the top end of the guide ring 3 gradually shrinks to the bottom end of the guide ring 3.

[0023] By increasing the cylindrical sealing surface 12, the bladder skin and the tooling cylindrical sealing surface 12 are matched to produce a certain air tightness, and a certain air pressure is maintained during the whole pressing process to keep the bladder skin rigid; meanwhile, a guide ring is also added to the tooling, and the guide ring 3 is arranged in a contracted manner, and the slope between the top end and the bottom end facilitates guiding the support ring 2 into the bladder skin 4 to be installed, so that the bladder skin is more easily sleeved on the support ring.

[0024] In the embodiment, the bottom end of the guide ring 3 is provided with a chamfer 31, and the guide ring 3 is facilitated to enter the bladder skin 4 through the chamfer 31, and the bottom end of the guide ring 3 is also prevented from scratching the inner wall of the bladder skin 4.

[0025] In the embodiment, the top end outer diameter of the guide ring 3 is smaller than the outer diameter of the support ring 2, and the guide ring 3 is facilitated to enter the inside of the bladder skin 4 through the top end outer diameter of the guide ring 3 being smaller than the outer diameter of the support ring 2.

[0026] In the embodiment, the guide ring 3 is a detachable structure, and the guide ring 3 can be evenly divided into four guide parts 5 along the circumference, and the guide parts 5 can be connected through plug-in cooperation, and since the guide ring 3 is divided into four guide parts 5, and the outer diameter of the guide ring 3 is slightly smaller than the outer diameter of the support ring 2, the guide ring 3 can be segmented and taken out after the installation of the support ring 2 is completed.

[0027] The working principle and use process of the present application are as follows: during installation, the bladder skin 4 is continuously provided with air flow at the bottom, and after the upper end surface of the bladder skin 4 initially contacts the front end guide surface 11 of the tooling, the bladder skin 4 and the front end guide surface 11 of the tooling produce a certain air tightness, although the end surface of the bladder skin 4 and the front end guide surface 11 of the tooling have poor sealing performance, but it is enough to make the bladder skin 4 sleeve the sealing surface 12 of the tooling in a cylindrical shape, and a stable air tightness is produced at the joint of the bladder skin 4 and the tooling cylindrical sealing surface 12, so that the bladder skin can keep stable rigidity, and during the continuous pressing process, the end surface of the bladder skin contacts the guide ring 2, the large end diameter of the guide ring is slightly smaller than the outer diameter of the support ring 2, and the bladder skin 4 can be sleeved on the support ring 2 with the assistance of the guide ring 3, and after the bladder skin 4 is sleeved on the support ring 2 and assembled at the specified position, the pressing head 1 is withdrawn, and the guide ring 3 remains in the bladder skin together with the support ring 2, and since the guide ring 3 can be divided into four segments and its outer diameter is slightly smaller than the support ring 2, the guide ring 3 can be segmented and taken out.

[0028] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An assembly fixture for an air spring support ring, characterized in that, include: The pressure head (1) is used to cooperate with the external drive lifting mechanism to expand the skin (4); The outer peripheral wall of the pressure head (1) is provided with, from top to bottom, a first mounting part (13) for mounting and placing the support ring (2) to be installed, a second mounting part (14) for mounting and placing the guide ring (3), a cylindrical sealing surface (12) for completely sealing the bladder skin (4), and a guide surface (11) for guiding into the bladder skin (4). The top end of the guide ring (3) is in contact with the support ring (2) to be installed, and the top end of the guide ring (3) gradually shrinks to the bottom end of the guide ring (3).

2. The air spring support ring assembly fixture according to claim 1, characterized in that: The bottom end of the guide ring (3) is provided with a chamfer (31).

3. The air spring support ring assembly fixture according to claim 1, characterized in that: The outer diameter of the top end of the guide ring (3) is smaller than the outer diameter of the support ring (2).

4. The air spring support ring assembly fixture according to claim 1, characterized in that: The guide ring (3) is a detachable structure, and the guide ring (3) can be evenly divided into several guide parts (5) along its circumference.

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