Air spring combination device

Abstract

The utility model relates to an air spring combination device which comprises at least one connecting component, and the upper end and the lower end of the connecting component are respectively provided with a structure easy to disassemble and assemble. The bottom sealing components are located at the two ends of the combination device, and one end face of each bottom sealing component is provided with an easy-to-disassemble-and-assemble structure; the leather bag is of an annular cylindrical structure, and the upper end and the lower end of the leather bag are of closing-up structures and are connected with the easy-to-disassemble-and-assemble structures of the connecting component and / or the bottom sealing component respectively; the structure easy to disassemble and assemble comprises buckle structures and at least one fixing screw component, and the buckle structures are arranged at the two ends of the connecting component and the bottom face of the bottom sealing component. The buckle structure is provided with a clamping hook which is bent towards the middle part, the end part of the leather bag is turned towards the outer side and is embedded into the clamping hook, and the leather bag is fixed or disassembled by screwing or unscrewing the fixing screw component. The safety device has the advantages of being high in safety and convenient to maintain, and the driving safety is improved.

Description

Technical Field

[0001] This utility model relates to the field of air springs, and in particular to an air spring assembly device. Background Technology

[0002] In existing technologies, air springs are widely used in various fields, such as automotive suspension and industrial equipment vibration damping, due to their excellent cushioning and shock absorption performance. However, most existing air springs are one-piece structures, which are prone to spring covers bursting or airbags rupturing under excessive instantaneous pressure, making maintenance difficult. Furthermore, air spring failure affects normal operation and may even cause driving safety issues. Moreover, existing air springs exhibit high vertical stiffness under high loads, which can reduce user comfort when used in vehicles. Therefore, there is a need to propose an air spring combination device to solve the aforementioned problems. Summary of the Invention

[0003] In order to overcome at least one of the problems mentioned above, this utility model provides an air spring assembly device, which has the advantages of high safety and easy maintenance, making it convenient for repair and improving driving safety.

[0004] The technical solution adopted by this utility model to solve its technical problem is: an air spring assembly device, the assembly device comprising:

[0005] At least one connecting member, with easy-to-disassemble structures provided at the upper and lower ends of the connecting member;

[0006] A pair of bottom sealing components are located at both ends of the combined device, and one end face of the bottom sealing component is provided with an easy-to-disassemble structure.

[0007] The bladder has an annular cylindrical structure with tapered ends, which are connected to the easily detachable structure of the connecting component and / or bottom sealing component, respectively.

[0008] The easy-to-assemble structure includes a snap-fit ​​structure and at least one fixing screw component. The snap-fit ​​structure is provided at both ends of the connecting component and the bottom surface of the bottom sealing component. The snap-fit ​​structure is provided with a hook that bends towards the center. The end of the bladder is turned outward and embedded in the hook. The bladder can be fixed or disassembled by tightening or loosening the fixing screw component.

[0009] Preferably, the bottom sealing component includes an upper cover plate and a lower cover plate respectively disposed at the upper and lower ends of the combined device; the buckle structure includes a first buckle; the first buckle is disposed at the bottom periphery of the upper cover plate and at the periphery of the end face of the connecting component corresponding to the upper cover plate; the fixing screw component includes a first fixing screw; the first fixing screw is installed on the top of the upper cover plate and the connecting component to lock the first buckle; the bladder includes at least a first airbag body, the first airbag body is disposed between the upper cover plate and the connecting component, and the upper and lower ends of the first airbag body are respectively embedded in the first buckle of the upper cover plate and the first buckle of the connecting component.

[0010] Preferably, a fixing plate is provided inside the first airbag body, the fixing plate is installed at the bottom of the upper cover plate, a buffer block is installed at the bottom of the fixing plate, a limiting seat is installed at the top of the connecting member, a limiting groove is opened inside the limiting seat, and the buffer block corresponds to the limiting groove.

[0011] The fixing plate is provided with fastening bolts on both sides, and is fixedly installed to the bottom of the upper cover plate by fastening bolts.

[0012] Preferably, the buckle structure further includes a second buckle, which is disposed on the lower end face of the connecting member and the upper end face of the lower cover plate; the fixing screw member further includes a second fixing screw, which is disposed on the lower cover plate of the connecting member and is used to lock the second buckle; the bladder further includes a second airbag body, which is disposed between the lower cover plate and the connecting member and is embedded in the second buckle.

[0013] Preferably, both the first airbag body and the second airbag body have a non-linear structure; the first airbag body, the connecting member, and the second airbag body are on the same longitudinal line.

[0014] Preferably, the first buckle is a ring structure, and the first buckle is fixed to the upper cover plate and the connecting member by a plurality of first fixing screws.

[0015] Preferably, the second airbag body is provided with a fixing plate and a limiting groove. The fixing plate is installed on the lower cover plate, and a buffer block is provided on the fixing plate. The limiting groove is provided at the bottom of the connecting member, and the limiting groove corresponds to the buffer block.

[0016] Preferably, the connecting member is provided with two air guide tubes, one air guide tube passing through the upper end face and side face of the connecting member, and the other air guide tube passing through the lower end face and side face of the connecting member.

[0017] Compared with the prior art, the air spring assembly device of this utility model has the following advantages:

[0018] 1. This air spring assembly separates the first airbag body and the second airbag body by setting a connecting component. The separate design allows both the first airbag body and the second airbag body to be disassembled, making maintenance and replacement more convenient and saving resources. By setting a disassembly mechanism, the various mechanisms of the disassembly mechanism cooperate with each other, making it easier to assemble and disassemble the first airbag body and the second airbag body. At the same time, the longitudinal limit of the first airbag body and the second airbag body is added, so that the first airbag body and the second airbag body can remain stable under high load.

[0019] 2. This air spring assembly, by setting up a first airbag body and a second airbag body, allows the other airbag body to continue working even when one airbag leaks or ruptures and fails, enabling the vehicle to be safely driven to a repair shop for maintenance.

[0020] 3. This air spring assembly uses an upper cover plate to limit the first buckle and fixing plate. When installing the first airbag body, the fixing plate is first installed on the upper cover plate with fastening bolts, and the buckle is connected to the upper cover plate with the first fixing screw. At this time, the first airbag body and the four first buckles are engaged with each other. The two limiting seats are connected to the top and bottom of the connecting component respectively by threaded screws. When under high load, the first airbag body is compressed. At this time, the top buffer block will enter the limiting groove, and the second airbag body continues to provide a comfortable driving experience for the vehicle. Attached Figure Description

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] Figure 1 This is a front view schematic diagram of the air spring assembly device of this utility model;

[0023] Figure 2 This is a cross-sectional schematic diagram of the air spring assembly device of this utility model;

[0024] Figure 3 This is a schematic diagram of the buckle structure of this utility model;

[0025] Figure 4 This utility model Figure 2 Enlarged view of point A in the middle;

[0026] Figure 5 This is a schematic diagram of one embodiment of the first buckle of this utility model.

[0027] In the diagram: 1 Connecting component, 2 First airbag body, 3 Second airbag body, 4 Buckling structure, 401 Upper cover plate, 402 First buckle, 403 First fixing screw, 404 Fixing plate, 405 Buffer block, 406 Limiting seat, 407 Limiting groove, 408 Fastening bolt, 409 Second buckle, 410 Second fixing screw, 411 Lower cover plate, 412 Base plate, 5 Air guide tube, 6 Threaded screw Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] like Figure 1-4 The air spring assembly shown consists of multiple connecting members 1, multiple bladders, and a pair of bottom sealing members. The bladders and connecting members 1 are arranged alternately, and each connecting member 1 has a bladder installed at both ends. The bottom sealing members are installed at the ends of the bladders at both ends. This allows the assembly to be configured with multiple bladders and connecting members 1 as needed to form a multi-bladder cavity structure.

[0030] In this embodiment, a double-airbag cavity structure is formed by a connecting member 1 and two bladders.

[0031] Connecting component 1, with easy-to-disassemble structures provided at its upper and lower ends.

[0032] The bottom sealing component is located at both ends of the combined device, and one end face of the connecting bladder of the bottom sealing component is provided with an easy-to-disassemble structure.

[0033] The bladder has an annular cylindrical structure with tapered ends, which are connected to the easily detachable structure of the connecting member 1 and / or the bottom sealing member, respectively.

[0034] The easy-to-assemble structure includes a snap-fit ​​structure 4 and a fixing screw component. The snap-fit ​​structure 4 is located at both ends of the connecting component 1 and the bottom surface of the bottom sealing component. The snap-fit ​​structure 4 is provided with a hook that bends towards the center. The end of the bladder is turned outward and embedded in the hook. The bladder can be fixed or disassembled by tightening or loosening the fixing screw component.

[0035] Specifically, the bottom sealing component includes an upper cover plate 401 and a lower cover plate 411 respectively disposed at the upper and lower ends of the combined device; the buckle structure 4 includes a first buckle 402; the first buckle 402 is disposed at the bottom periphery of the upper cover plate 401 and at the periphery of the end face of the connecting member 1 corresponding to the upper cover plate 401; the fixing screw component includes a first fixing screw 403; the first fixing screw 403 is installed on the top of the upper cover plate 401 and the connecting member 1 to lock the first buckle 402; the airbag includes at least a first airbag body 2, the first airbag body 2 is disposed between the upper cover plate 401 and the connecting member 1, and the upper and lower ends of the first airbag body 2 are respectively embedded in the first buckle 402 of the upper cover plate 401 and the first buckle 402 of the connecting member 1.

[0036] The first airbag body 2 has a fixing plate 404 inside, which is installed at the bottom of the upper cover plate 401. A buffer block 405 is installed at the bottom of the fixing plate 404. A limiting seat 406 is installed at the top of the connecting member 1. A limiting groove 407 is opened inside the limiting seat 406. The buffer block 405 corresponds to the limiting groove 407. When the first airbag body 2 is compressed, the buffer block 405 contacts the limiting groove 407. The buffer block 405 is made of soft rubber pad material to prevent impact damage.

[0037] Fastening bolts 408 are provided on both sides of the fixing plate 404, and the fixing plate 404 is fixedly installed on the bottom of the upper cover plate 401 by the fastening bolts 408.

[0038] The buckle structure 4 further includes a second buckle 409, which is disposed on the lower end face of the connecting member 1 and the upper end face of the lower cover plate 411; the fixing screw member further includes a second fixing screw 410, which is disposed on the lower cover plate 411 of the connecting member 1 and is used to lock the second buckle 409; the airbag further includes a second airbag body 3, which is disposed between the lower cover plate 411 and the connecting member 1 and is embedded in the second buckle 409.

[0039] The first airbag body 2 and the second airbag body 3 are both non-linear structures, with the middle part being an outwardly convex arc-shaped structure; the first airbag body 2, the connecting member 1, and the second airbag body 3 are on the same longitudinal line.

[0040] In one embodiment, the first buckle 402 and the second buckle 409 of the buckle structure 4 are ring structures, and the upper and lower first buckles 402 are respectively fixed to the upper cover plate 401 and the connecting member 1 by a plurality of first fixing screws 403.

[0041] The upper and lower two second buckles 409 are fixed to the connecting member 1 and the lower cover plate 411 by multiple second fixing screws 410.

[0042] The second airbag body 3 is provided with a fixing plate 404 and a limiting groove 407. The fixing plate 404 is installed on the lower cover plate 411. A buffer block 405 is provided on the fixing plate 404. The limiting groove 407 is provided at the bottom of the connecting member 1, and the limiting groove 407 corresponds to the buffer block 405.

[0043] In this embodiment, the connecting member 1 is provided with two air guide pipes 5. One air guide pipe 5 passes through the upper end face and side face of the connecting member 1, and the other air guide pipe 5 passes through the lower end face and side face of the connecting member 1. The air guide pipes 5 allow for inflation and deflation of the internal components, adjusting the internal air pressure and thus the stiffness of the air spring assembly. See also... Figure 3 and Figure 4 The two air ducts 5 extend to the interior of the first airbag body 2 and the second airbag body 3 on opposite sides, respectively. Extension plates (not shown) are installed on the left and right sides of the two limiting seats 406, so that the connecting surface of the limiting seat 406 with other components forms a base structure. Threaded rods 6 are installed on the extension plates. The threaded rods 6 pass through the connecting member 1 and are connected at both ends to the extension plates of the upper and lower limiting seats 406 of the connecting member 1, respectively. The two sets of extension plates are connected to each other by two threaded rods 6.

[0044] In summary, this air spring assembly device limits the first buckle 402 and the fixing plate 404 by setting the upper cover plate 401. When installing the first airbag body 3, the fixing plate 404 is first installed on the upper cover plate 401 by fastening bolts 408, and the buckle 402 is connected to the upper cover plate 401 by multiple first fixing screws 403. At this time, the first airbag body 1 and the annular first buckle 402 are engaged with each other. The two limiting seats 406 are connected to the top and bottom of the connecting member 1 by the threaded screw 6. When under high load, the first airbag body 2 is compressed. At this time, the buffer block 405 at the top will enter the limiting groove 407. The second buckle 409 can fix the second airbag body 3.

[0045] Furthermore, during installation, the first buckle 402 and the second buckle 409 are first installed on the upper cover plate 401 and the lower cover plate 411 respectively using the first fixing screw 403 and the second fixing screw 410. The fixing plate 404 is then installed on the upper cover plate 401 and the lower cover plate 411 respectively using the fastening bolt 408. The limiting seat 406 is then fixed to the top and bottom of the connecting member 1 using the threaded screw 6. At this time, the first airbag body 2 and the second airbag body 3 are connected and fixed to the first buckle 402 and the second buckle 409 respectively. Then, air is added to the first airbag body 2 and the second airbag body 3 respectively through the air duct 5. After completion, the air inlet is blocked with a sealing plug. Finally, the upper cover plate 401 is connected to the vehicle body, and the bottom plate 412 is connected to the bogie. Under high load, the buffer block 405 is inserted into the limiting groove 407, which can ensure the stability of the first airbag body 2 and the second airbag body 3.

[0046] See Figure 5 In one embodiment, the first buckle 402 is a ring structure, and the end of the first buckle 402 extends upward to form a semi-circular buckle structure.

[0047] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0048] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An air spring assembly device, characterized in that, The combined device includes: At least one connecting member, with easy-to-disassemble structures provided at the upper and lower ends of the connecting member; A pair of bottom sealing components are located at both ends of the combined device, and one end face of the bottom sealing component is provided with an easy-to-disassemble structure. The bladder has an annular cylindrical structure with tapered ends, which are connected to the easily detachable structure of the connecting component and / or bottom sealing component, respectively. The easy-to-assemble structure includes a snap-fit ​​structure and at least one fixing screw component. The snap-fit ​​structure is provided at both ends of the connecting component and the bottom surface of the bottom sealing component. The snap-fit ​​structure is provided with a hook that bends towards the center. The end of the bladder is turned outward and embedded in the hook. The bladder can be fixed or disassembled by tightening or loosening the fixing screw component.

2. The air spring assembly device according to claim 1, characterized in that: The bottom sealing component includes an upper cover plate and a lower cover plate respectively disposed at the upper and lower ends of the combined device; the buckle structure includes a first buckle; the first buckle is disposed at the bottom periphery of the upper cover plate and at the periphery of the end face of the connecting component corresponding to the upper cover plate; the fixing screw component includes a first fixing screw; the first fixing screw is installed on the top of the upper cover plate and the connecting component to lock the first buckle; the bladder includes at least a first airbag body, the first airbag body is disposed between the upper cover plate and the connecting component, and the upper and lower ends of the first airbag body are respectively embedded in the first buckle of the upper cover plate and the first buckle of the connecting component.

3. The air spring assembly device according to claim 2, characterized in that: The first airbag body has a fixing plate inside, which is installed at the bottom of the upper cover plate. A buffer block is installed at the bottom of the fixing plate. A limiting seat is installed at the top of the connecting member. A limiting groove is opened inside the limiting seat. The buffer block corresponds to the limiting groove. The fixing plate is provided with fastening bolts on both sides, and is fixedly installed to the bottom of the upper cover plate by fastening bolts.

4. The air spring assembly device according to claim 2, characterized in that: The buckle structure further includes a second buckle, which is disposed on the lower end face of the connecting member and the upper end face of the lower cover plate; the fixing screw member further includes a second fixing screw, which is disposed on the lower cover plate of the connecting member and is used to lock the second buckle; the bladder further includes a second airbag body, which is disposed between the lower cover plate and the connecting member and is embedded in the second buckle.

5. An air spring assembly according to claim 4, characterized in that: Both the first airbag body and the second airbag body have a non-linear structure; the first airbag body, the connecting member, and the second airbag body are on the same longitudinal line.

6. An air spring assembly according to claim 2, characterized in that: The first buckle is a ring structure, and the first buckle is fixed to the upper cover plate and the connecting component by a plurality of first fixing screws.

7. An air spring assembly according to claim 4, characterized in that: The second airbag body is provided with a fixing plate and a limiting groove. The fixing plate is installed on the lower cover plate and a buffer block is provided on the fixing plate. The limiting groove is provided at the bottom of the connecting component and corresponds to the buffer block.

8. An air spring assembly according to any one of claims 1-7, characterized in that: The connecting member is provided with two air guide tubes, one air guide tube passing through the upper end face and side face of the connecting member, and the other air guide tube passing through the lower end face and side face of the connecting member.

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