Air spring air chamber separation structure
By using a combined structure of solenoid valve and air chamber partition in the air spring, the manufacturing process of the air spring is simplified, the problems of complex processes and poor environmental protection in the prior art are solved, and the lower cost and environmentally friendly air is achieved Spring production.
Patent Information
- Application Number
- CN202421216306.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-30
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-05-30
AI Technical Summary
The existing multi-cavity air spring products have complex manufacturing processes, high cost, and poor environmental protection. This is mainly due to the need for ultrasonic welding and hot gas welding equipment, resulting in high equipment investment and high manufacturing defect rate.
Using a combined structure of air spring support, solenoid valve and circular annular air chamber partition, the gas chamber is formed through the sealing connection between the solenoid valve and the air chamber partition, which avoids the dependence on ultrasonic or hot gas welding and simplifies manufacturing. Craft.
It reduces the complexity and cost of air spring manufacturing, improves the environmental performance of the product, simplifies the process flow, and reduces equipment investment.
Smart Images

Figure CN222351267U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of air springs, in particular to an air spring air chamber separation structure. Background Art
[0002] The multi-chamber air spring products currently on the market have high requirements for manufacturing equipment and process conditions. The main method of forming the chamber is to use ultrasonic welding and hot air welding to heat two pieces of plastic and fuse them under a certain pressure to form a separated chamber, and then install solenoid valves to control the isolation and connection between the chambers. The entire product has high requirements for manufacturing process, manufacturing environment and raw materials, and the product manufacturing defect rate is high and the cost is high. Secondly, additional ultrasonic / hot air welding equipment will also form a large investment and does not have an advantage in environmental protection. Utility Model Content
[0003] The purpose of the utility model is to overcome the above problems existing in the prior art and provide an air spring air chamber partition structure.
[0004] In order to achieve the above technical objectives and the above technical effects, the present invention is implemented through the following technical solutions:
[0005] An air spring air chamber partition structure includes an air spring support, a solenoid valve, and a circular air chamber partition. The air chamber partition is installed in the air spring support, and the solenoid valve is clamped between the air spring support and the air chamber partition. The two ends of the solenoid valve are respectively sealed and connected to the air spring support and the air chamber partition. The air spring support, the air chamber partition, and the solenoid valve enclose a first chamber for accommodating gas.
[0006] In a preferred embodiment, the air spring support includes a cylindrical outer cylinder, a circular support plate, and a cylindrical inner cylinder, and the outer cylinder, the support plate, and the inner cylinder are made of an integral body, the support plate is located at the top of the outer cylinder, and the inner cylinder is located at the center of the support plate, the tail of the solenoid valve is stuck in the first socket slot at the bottom of the inner cylinder, and a first sealing ring is clamped between the solenoid valve and the inner cylinder; the air chamber partition is screwed to the inner lower part of the outer cylinder, the head of the solenoid valve is stuck in the second socket slot in the center of the air chamber partition, and a second sealing ring is clamped between the solenoid valve and the air chamber partition.
[0007] In a preferred embodiment, an air flow channel is provided at the junction of the outer cylinder and the support plate, and an air nozzle is installed in the outer opening of the air flow channel.
[0008] In a preferred embodiment, a first annular sealing ring groove is provided on the outer side wall of the air chamber partition, and a third sealing ring sandwiched between the air chamber partition and the outer cylinder is installed in the first sealing ring groove.
[0009] In another preferred embodiment, the air spring support includes a cylindrical support body, an annular outer support ring, and an annular inner support ring. The support body, the outer support ring, and the inner support ring are made of an integral body. The outer support ring is located at the top of the support body, the inner support ring is located at the inner lower part of the support body, the air chamber partition is screwed to the inner upper part of the support body, the tail of the solenoid valve is stuck in the third socket in the center of the air chamber partition, and a fourth sealing ring is sandwiched between the solenoid valve and the air chamber partition; the head of the solenoid valve is stuck in the fourth socket in the center of the inner support ring, and a fifth sealing ring is sandwiched between the solenoid valve and the inner support ring.
[0010] In another preferred embodiment, an air nozzle connected to the first chamber is installed on the air chamber partition.
[0011] In another preferred embodiment, a second annular sealing ring groove is provided on the outer side wall of the air chamber partition, and a sixth sealing ring is installed in the second sealing ring groove and is sandwiched between the air chamber partition and the support cylinder.
[0012] The beneficial effects of the utility model are as follows: the air chamber partition is installed in the air spring support, and the solenoid valve is clamped between the air chamber partition and the air spring support, which facilitates the installation and fixation of the solenoid valve, avoids the use of ultrasonic or hot air welding equipment to weld the air spring support, and simplifies the manufacturing process of the air spring support. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:
[0014] Figure 1 It is a structural schematic diagram of the air spring air chamber partition structure in the first embodiment of the utility model;
[0015] Figure 2 It is a structural schematic diagram of the air spring support in the first embodiment of the utility model;
[0016] Figure 3 It is a schematic diagram of the structure of the air chamber partition in the first embodiment of the utility model;
[0017] Figure 4 It is a structural schematic diagram of the solenoid valve in the first embodiment of the utility model;
[0018] Figure 5 It is a structural schematic diagram of the air spring air chamber partition structure in the second embodiment of the utility model;
[0019] Figure 6 It is a structural schematic diagram of the air spring support in the second embodiment of the utility model;
[0020] Figure 7 It is a schematic diagram of the structure of the air chamber partition in the second embodiment of the utility model;
[0021] Figure 8 It is a structural schematic diagram of the solenoid valve in the second embodiment of the utility model. DETAILED DESCRIPTION
[0022] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.
[0023] like Figures 1 to 4 The first embodiment shown is an air spring air chamber separation structure, including an air spring support 1, a solenoid valve 2, and a circular air chamber partition 3. The air chamber partition 3 is installed in the air spring support 1, and the solenoid valve 2 is clamped between the air spring support 1 and the air chamber partition 3. The two ends of the solenoid valve 2 are respectively sealed and connected to the air spring support 1 and the air chamber partition 3. The air spring support 1 and the air chamber partition 3 and the solenoid valve 2 enclose a first chamber 4 for accommodating gas.
[0024] The air spring support 1 includes a cylindrical outer cylinder 5, a circular support plate 6, and a cylindrical inner cylinder 7. The outer cylinder 5, the support plate 6, and the inner cylinder 7 are made of one piece. The support plate 6 is located at the top of the outer cylinder 1, and the inner cylinder 7 is located at the center of the support plate 6. The tail of the solenoid valve 2 is stuck in the first socket 8 at the bottom of the inner cylinder 7. A first sealing ring 9 is clamped between the solenoid valve 2 and the inner cylinder 7, and the first sealing ring 9 is used to seal between the solenoid valve 2 and the inner cylinder 7; the air chamber partition 3 is screwed on the inner lower part of the outer cylinder 5, and the head of the solenoid valve 2 is stuck in the second socket 10 in the center of the air chamber partition 3. A second sealing ring 11 is clamped between the solenoid valve 2 and the air chamber partition 3, and the second sealing ring 11 is used to seal between the solenoid valve 2 and the air chamber partition 3.
[0025] An air flow channel 12 is provided at the junction of the outer cylinder 5 and the support plate 6 , and a gas nozzle 13 is installed in the outer opening of the air flow channel 12 for inputting gas into the first chamber 4 or extracting gas from the first chamber 4 .
[0026] A first annular sealing ring groove 14 is provided on the outer side wall of the air chamber partition 3, and a third sealing ring 15 is installed in the first sealing ring groove 14 and is sandwiched between the air chamber partition 3 and the outer cylinder 5. The third sealing ring 15 plays a sealing role between the air chamber partition 3 and the outer cylinder 5.
[0027] like Figures 5 to 8The second embodiment shown is an air spring air chamber partition structure, including an air spring support 16, a solenoid valve 17, and a circular air chamber partition 18. The air chamber partition 18 is installed in the air spring support 16, and the solenoid valve 17 is clamped between the air spring support 16 and the air chamber partition 18. The two ends of the solenoid valve 17 are respectively sealed and connected to the air spring support 16 and the air chamber partition 18. The air spring support 16, the air chamber partition 18, and the solenoid valve 17 enclose a first chamber 19 for accommodating gas.
[0028] The air spring support 16 includes a cylindrical support body 20, an annular outer support ring 21, and an annular inner support ring 22. The support body 20, the outer support ring 21, and the inner support ring 22 are made of an integral body. The outer support ring 21 is located at the top of the support body 20, and the inner support ring 22 is located at the inner lower part of the support body 20. The air chamber partition 18 is screwed to the inner upper part of the support body 20. The tail of the solenoid valve 17 is stuck in the third socket 23 at the center of the air chamber partition 18. A fourth sealing ring 24 is sandwiched between the solenoid valve 17 and the air chamber partition 18, and the fourth sealing ring 24 is used to seal between the solenoid valve 17 and the air chamber partition 18; the head of the solenoid valve 17 is stuck in the fourth socket 25 at the center of the inner support ring 22, and a fifth sealing ring 26 is sandwiched between the solenoid valve 17 and the inner support ring 22, and the fifth sealing ring 26 is used to seal between the solenoid valve 17 and the inner support ring 22.
[0029] A gas nozzle 27 connected to the first chamber 19 is installed on the air chamber partition 18 to input gas into the first chamber 19 or extract gas from the first chamber 19 through the gas nozzle.
[0030] A second annular sealing ring groove 28 is provided on the outer wall of the air chamber partition 18, and a sixth sealing ring 29 is installed in the second sealing ring groove 28 and is sandwiched between the air chamber partition 18 and the support cylinder 20. The sixth sealing ring 29 is used to perform a sealing function between the air chamber partition 18 and the support cylinder 20.
[0031] The model of the solenoid valve used in the above two embodiments is RAPA-LV15.
[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. An air spring air chamber partition structure, characterized in that: It includes an air spring support, a solenoid valve, and a circular air chamber partition. The air chamber partition is installed in the air spring support, and the solenoid valve is clamped between the air spring support and the air chamber partition. The two ends of the solenoid valve are respectively sealed and connected to the air spring support and the air chamber partition. The air spring support, the air chamber partition, and the solenoid valve enclose a first chamber for accommodating gas.
2. The air spring air chamber partition structure according to claim 1, characterized in that: The air spring support includes a cylindrical outer cylinder, a circular support plate, and a cylindrical inner cylinder. The outer cylinder, the support plate, and the inner cylinder are made of an integral body. The support plate is located at the top of the outer cylinder, and the inner cylinder is located at the center of the support plate. The tail of the solenoid valve is stuck in the first socket slot at the bottom of the inner cylinder, and a first sealing ring is sandwiched between the solenoid valve and the inner cylinder; the air chamber partition is screwed to the inner lower part of the outer cylinder, and the head of the solenoid valve is stuck in the second socket slot in the center of the air chamber partition, and a second sealing ring is sandwiched between the solenoid valve and the air chamber partition.
3. The air spring air chamber partition structure according to claim 2, characterized in that: An air flow channel is arranged at the junction of the outer cylinder and the support plate, and an air nozzle is installed in the outer opening of the air flow channel.
4. The air spring air chamber partition structure according to claim 2, characterized in that: A first annular sealing ring groove is provided on the outer side wall of the air chamber partition, and a third sealing ring sandwiched between the air chamber partition and the outer cylinder is installed in the first sealing ring groove.
5. The air spring air chamber partition structure according to claim 1, characterized in that: The air spring support includes a cylindrical support body, an annular outer support ring, and an annular inner support ring. The support body, the outer support ring, and the inner support ring are made of an integral body. The outer support ring is located at the top of the support body, and the inner support ring is located at the inner lower part of the support body. The air chamber partition is screwed to the inner upper part of the support body. The tail of the solenoid valve is stuck in the third socket in the center of the air chamber partition, and a fourth sealing ring is sandwiched between the solenoid valve and the air chamber partition; the head of the solenoid valve is stuck in the fourth socket in the center of the inner support ring, and a fifth sealing ring is sandwiched between the solenoid valve and the inner support ring.
6. The air spring air chamber partition structure according to claim 5, characterized in that: An air nozzle connected to the first chamber is installed on the air chamber partition.
7. The air spring air chamber partition structure according to claim 5, characterized in that: A second annular sealing ring groove is provided on the outer side wall of the air chamber partition, and a sixth sealing ring sandwiched between the air chamber partition and the support cylinder is installed in the second sealing ring groove.