Oil gas spring with heat dissipation structure
By incorporating heat dissipation fins and a liquid tank into the gas spring, the heat dissipation problem of the gas spring is solved by utilizing the heat exchange between the coolant and the air, thereby improving the cushioning performance and lifespan.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YISHUI COUNTRY FUYANG MASCH CO LTD
- Filing Date
- 2025-09-18
- Publication Date
- 2026-07-14
Smart Images

Figure CN224497230U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of oil-gas spring technology, and in particular to an oil-gas spring with a heat dissipation structure. Background Technology
[0002] A gas spring is a mechanical component that uses hydraulic damping to achieve cushioning. It is widely used in vehicle suspension systems and is the core component of automotive gas suspension systems. One end of the gas spring is hinged to the vehicle body through a spherical bearing, and the other end is hinged to the wheel system through a spherical bearing. It plays the role of damping vibration and raising and lowering the vehicle body.
[0003] Traditional gas springs have some drawbacks. Gas springs generate a lot of heat when they are working. However, because the pressure cylinder is in a sealed state, the pressure cylinder itself generates heat, which cannot be dissipated in time. Long-term exposure to high-temperature working environment will damage the internal components, thus significantly reducing the cushioning performance of the gas spring. Utility Model Content
[0004] The main objective of this invention is to provide a gas spring with a heat dissipation structure, which can effectively solve the problems in the background art.
[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0006] A gas spring with a heat dissipation structure includes a pressure cylinder. A heat dissipation mechanism is provided on the outside of the pressure cylinder. The heat dissipation mechanism includes a fixed plate fixedly connected to the outside of the pressure cylinder. A heat dissipation fin is sleeved on the side of the outside of the pressure cylinder near the fixed plate. A liquid tank is fixedly connected to the other side of the outside of the pressure cylinder near the fixed plate. A pump body is installed at one end of the liquid tank. An output pipe is installed inside the heat dissipation fin. A connecting pipe is fixedly connected to one end of the output pipe. A connecting rod is installed inside the heat dissipation fin near the front side of the output pipe. A fixed rod is fixedly connected to the lower side of the heat dissipation fin near the connecting rod. A base is fixedly connected to the lower end of the pump body.
[0007] Preferably, the upper end of the liquid tank is fixedly connected to an injection port, the outer side of the injection port is threadedly connected to a cover plate, the number of heat dissipation fins is multiple, the output pipe passes through the interior of the pressure cylinder, and the output pipe is fixedly connected to the pressure cylinder.
[0008] Preferably, one end of the output pipe is installed at one end of the pump body, the connecting rod passes through the interior of the fixing plate, the connecting rod is fixedly connected to the fixing plate, one end of the connecting rod is fixedly connected to one end of the liquid tank, and the connecting rod and the liquid tank are in communication.
[0009] Preferably, one end of the fixing rod is fixedly connected to one end of the fixing plate, multiple sets of heat dissipation fins are connected to each other through the fixing rod, the lower end of the base is fixedly connected to the upper end of the pressure cylinder, and the injection port is connected to the liquid tank.
[0010] Preferably, a guide sleeve is slidably connected to the inner side of the pressure cylinder, and a piston rod is fixedly connected to one end of the guide sleeve.
[0011] Preferably, a throttle valve is installed at one end of the pressure cylinder, a mounting bracket is installed on the outside of the throttle valve, a docking rod is fixedly connected to one end of the piston rod, and a support bracket is installed on the outside of the docking rod.
[0012] Compared with the prior art, the present invention has the following beneficial effects:
[0013] The pump delivers coolant from the tank to the output pipe, where it passes through the cooling fins to cool the air. This allows the cooled air to dissipate heat from the pressure cylinder and maintains the pressure cylinder at a suitable temperature to dampen shocks in the vehicle. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall structure of a gas spring with a heat dissipation structure according to the present invention;
[0015] Figure 2 This is a partial structural diagram of a gas spring with a heat dissipation structure according to the present invention.
[0016] Figure 3 This is a schematic diagram of the heat dissipation mechanism of an oil-gas spring with a heat dissipation structure according to the present invention.
[0017] Figure 4 This is a partial structural diagram of a heat dissipation mechanism for an oil-gas spring with a heat dissipation structure according to the present invention.
[0018] In the diagram: 1. Pressure cylinder; 2. Guide sleeve; 3. Piston rod; 4. Throttling valve; 5. Mounting bracket; 6. Connecting rod; 7. Heat dissipation mechanism; 71. Fixing plate; 72. Heat dissipation fins; 73. Liquid tank; 74. Pump body; 75. Output pipe; 76. Connecting pipe; 77. Connecting rod; 78. Fixing rod; 79. Base; 710. Inlet; 711. Cover plate; 8. Support frame. Detailed Implementation
[0019] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0020] like Figure 1-4As shown, a hydraulic spring with a heat dissipation structure includes a pressure cylinder 1. A heat dissipation mechanism 7 is provided on the outside of the pressure cylinder 1. The heat dissipation mechanism 7 includes a fixing plate 71 fixedly connected to the outside of the pressure cylinder 1. A heat dissipation fin 72 is sleeved on the side of the outside of the pressure cylinder 1 near the fixing plate 71. A liquid tank 73 is fixedly connected to the other side of the outside of the pressure cylinder 1 near the fixing plate 71. A pump body 74 is installed at one end of the liquid tank 73. An output pipe 75 is installed inside the heat dissipation fin 72. A connecting pipe 76 is fixedly connected to one end of the output pipe 75. A connecting rod 77 is installed inside the heat dissipation fin 72 near the front side of the output pipe 75. A fixing rod 78 is fixedly connected to the lower side of the heat dissipation fin 72 near the connecting rod 77. A base 79 is fixedly connected to the lower end of the pump body 74.
[0021] In this embodiment, an injection port 710 is fixedly connected to the upper end of the liquid tank 73, and a cover plate 711 is threadedly connected to the outer side of the injection port 710. There are multiple sets of heat dissipation fins 72. The output pipe 75 passes through the interior of the pressure cylinder 1 and is fixedly connected to the pressure cylinder 1. One end of the output pipe 75 is installed at one end of the pump body 74. The connecting rod 77 passes through the interior of the fixing plate 71 and is fixedly connected to the fixing plate 71. One end of the connecting rod 77 is fixedly connected to one end of the liquid tank 73 and is in communication with the liquid tank 73. One end of the fixing rod 78 is fixedly connected to one end of the fixing plate 71. Multiple sets of heat dissipation fins 72 are connected through the fixing rod 78. The lower end of the base 79 is fixedly connected to the upper end of the pressure cylinder 1. The injection port 710 and the liquid tank 73 are in line through each other.
[0022] Specifically, if the pressure cylinder 1 generates a large amount of heat during long-term use, and then the pump body 74 is started, the pump body 74 will draw out the coolant from the liquid tank 73 and discharge the coolant into the output pipe 75. The coolant will then pass through multiple sets of cooling fins 72 along the output pipe 75. When the outside air flows over the cooling fins 72, the coolant will cool the air. Then, the coolant will flow through the connecting pipe 76 into the connecting rod 77 and flow back into the liquid tank 73 along the connecting rod 77. This will allow the cooled air to dissipate heat from the pressure cylinder 1, thus keeping the pressure cylinder 1 at a suitable temperature for shock absorption and cushioning of the vehicle. By pumping the coolant from the liquid tank 73 to the output pipe 75 through the pump body 74, the coolant will pass through the cooling fins 72 to cool the air, achieving the purpose of facilitating the cooling of the pressure cylinder 1 by the cooled air and keeping the pressure cylinder 1 at a suitable temperature for shock absorption and cushioning of the vehicle.
[0023] In this embodiment, a guide sleeve 2 is slidably connected to the inner side of the pressure cylinder 1, a piston rod 3 is fixedly connected to one end of the guide sleeve 2, a throttle valve 4 is installed at one end of the pressure cylinder 1, a mounting bracket 5 is installed on the outer side of the throttle valve 4, a docking rod 6 is fixedly connected to one end of the piston rod 3, and a support bracket 8 is installed on the outer side of the docking rod 6.
[0024] Specifically, the mounting bracket 5 is installed on the vehicle body, the throttle valve 4 is connected to the external hydraulic system, and the support bracket 8 is installed on the wheel system to complete the installation of the pressure cylinder 1. Then, the external hydraulic system inputs hydraulic oil into the pressure cylinder 1 through the throttle valve 4, which pushes the guide sleeve 2 to slide inside the pressure cylinder 1, causing the piston rod 3 to extend outward, thereby achieving shock absorption and buffering for the vehicle.
[0025] Working principle:
[0026] In use, the worker first unscrews the cover plate 711 and injects coolant into the liquid tank 73 through the injection port 710. Then, the cover plate 711 is screwed back on, and the mounting bracket 5 is installed on the vehicle body. The throttle valve 4 is connected to the external hydraulic system, and the support bracket 8 is installed on the wheel system, thus completing the installation of the pressure cylinder 1. Then, the external hydraulic system inputs hydraulic oil into the pressure cylinder 1 through the throttle valve 4, which pushes the guide sleeve 2 to slide inside the pressure cylinder 1, causing the piston rod 3 to extend outward, thereby achieving shock absorption for the vehicle. If the pressure cylinder 1 generates a large amount of heat during long-term use, the pump body 74 is then started to draw coolant from the liquid tank 73 and discharge the coolant into the output pipe 75. The coolant flows through the output pipe 75 and passes through multiple sets of cooling fins 72. When the outside air flows over the cooling fins 72, the coolant cools the air. Then, the coolant flows through the connecting pipe 76 into the connecting rod 77, and then flows back to the liquid tank 73. This allows the cooled air to dissipate heat from the pressure cylinder 1, thus maintaining the pressure cylinder 1 at a suitable temperature for vehicle shock absorption. The pump body 74 delivers the coolant from the liquid tank 73 to the output pipe 75, where it passes through the cooling fins 72 to cool the air. This achieves the purpose of facilitating the cooling of the pressure cylinder 1 by the cooled air and maintaining the pressure cylinder 1 at a suitable temperature for vehicle shock absorption.
[0027] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A hydropneumatic spring with a heat dissipation structure, comprising a pressure cylinder (1), characterized in that: A heat dissipation mechanism (7) is provided on the outside of the pressure cylinder (1). The heat dissipation mechanism (7) includes a fixed plate (71) fixedly connected to the outside of the pressure cylinder (1). A heat dissipation fin (72) is sleeved on the side of the outside of the pressure cylinder (1) close to the fixed plate (71). A liquid tank (73) is fixedly connected to the other side of the outside of the pressure cylinder (1) close to the fixed plate (71). A pump body (74) is installed at one end of the liquid tank (73). An output pipe (75) is installed inside the heat dissipation fin (72). A connecting pipe (76) is fixedly connected to one end of the output pipe (75). A connecting rod (77) is installed inside the heat dissipation fin (72) close to the front side of the output pipe (75). A fixing rod (78) is fixedly connected to the lower side of the heat dissipation fin (72) close to the connecting rod (77). A base (79) is fixedly connected to the lower end of the pump body (74).
2. The gas spring with heat dissipation structure according to claim 1, characterized in that: The upper end of the liquid tank (73) is fixedly connected to an injection port (710), and the outer side of the injection port (710) is threadedly connected to a cover plate (711). There are multiple sets of heat dissipation fins (72). The output pipe (75) passes through the interior of the pressure cylinder (1), and the output pipe (75) is fixedly connected to the pressure cylinder (1).
3. A gas spring with a heat dissipation structure according to claim 2, characterized in that: One end of the output pipe (75) is installed at one end of the pump body (74), the connecting rod (77) passes through the interior of the fixing plate (71), the connecting rod (77) is fixedly connected to the fixing plate (71), one end of the connecting rod (77) is fixedly connected to one end of the liquid tank (73), and the connecting rod (77) and the liquid tank (73) are in communication.
4. A gas spring with a heat dissipation structure according to claim 2, characterized in that: One end of the fixing rod (78) is fixedly connected to one end of the fixing plate (71), and multiple sets of heat dissipation fins (72) are connected to each other through the fixing rod (78). The lower end of the base (79) is fixedly connected to the upper end of the pressure cylinder (1), and the injection port (710) is connected to the liquid tank (73) by a line.
5. A gas spring with a heat dissipation structure according to claim 1, characterized in that: The inner side of the pressure cylinder (1) is slidably connected to a guide sleeve (2), and one end of the guide sleeve (2) is fixedly connected to a piston rod (3).
6. A gas spring with a heat dissipation structure according to claim 5, characterized in that: A throttle valve (4) is installed at one end of the pressure cylinder (1), and a mounting bracket (5) is installed on the outside of the throttle valve (4). A docking rod (6) is fixedly connected to one end of the piston rod (3), and a support bracket (8) is installed on the outside of the docking rod (6).