Shock absorber oil circulation cooling structure

CN224859965UActive Publication Date: 2026-10-16CHANGCHUN CHANGBO ZHONGBANG RAIL TRANSIT TECH CO LTD
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Patent Information

Application Number
CN202522449207.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-19
Publication Date
2026-10-16
Estimated Expiration
2035-11-19

AI Technical Summary

Technical Problem

但是该冷却结构油液容易泄漏、管道因热胀冷缩导致开裂松动、输送阻力及噪音大,且油液冷却后含气量高导致气阻、流动不畅使减振器阻尼力被影响

Benefits of technology

1.本实用新型通过温度补偿导流机构的设置,金属石墨垫片紧密贴合法兰与波纹管补偿器接口,凭借石墨的密封性与金属的抗压性,实现油液零泄漏,避免因油液流失影响冷却循环效率,波纹管补偿器吸收出口油液温度波动引发的输送管热胀冷缩量,将管道形变控制在允许范围,防止管道焊接处开裂或接头松动,保障循环系统结构完整性,隔音通道管降低系统运行噪音污染,内壁导流叶片引导油液形成螺旋状有序流场,减少涡流产生的能量损耗,使油液输送阻力降低,提升循环泵的运行效率,不仅延长了管道、补偿器等部件的使用寿命,还确保油液以稳定流量与状态进入冷却器,为后续降温处理奠定基础,提升整体循环冷却系统的可靠性与经济性;

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Abstract

The utility model discloses a shock absorber oil liquid circulation cooling structure relates to shock absorber oil liquid circulation cooling technical field, including outlet and temperature compensation flow guide mechanism, one side of outlet is provided with temperature compensation flow guide mechanism, and temperature compensation flow guide mechanism includes the flange of setting in the one side position of outlet, one side of flange is provided with metal graphite gasket, and one side of metal graphite gasket is provided with bellow compensator, one side fixedly connected with sound insulation channel pipe of bellow compensator, and the inner wall fixedly connected with flow guide blade of sound insulation channel pipe, compared with the ordinary cooling structure of current, realize sealed compensation, noise reduction and flow guide, guarantee medium transmission stable and efficient, control pipeline deformation, reduce resistance and improve efficiency, prolong component life, guarantee oil liquid stable and enter cooler, and can high -efficient bubble breaking degassing, prevent air resistance, ensure that oil liquid smooth backflow, guarantee shock absorber performance stable, improve system reliability.
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Description

Technical Field

[0001] This utility model relates to the field of shock absorber oil circulation cooling technology, specifically a shock absorber oil circulation cooling structure. Background Technology

[0002] Shock absorber oil circulation cooling technology is an active heat dissipation technology designed to address the issue of oil temperature rise during shock absorber operation. By constructing a closed-loop system of "oil outlet - efficient heat dissipation - circulation return," it precisely controls the oil temperature, ensuring the long-term stable output damping performance of the shock absorber. It is widely used in high-intensity operating conditions such as high-performance vehicles and construction machinery. The core of this technology is to solve the problem of "thermal attenuation" of shock absorber oil caused by friction and compression through a dedicated circulation structure. The shock absorber oil circulation cooling structure is an auxiliary heat dissipation system designed to solve the performance degradation caused by oil temperature rise during shock absorber operation.

[0003] For example, a shock absorber cooling device, as described in application number CN201621411575.3, includes a heat dissipation unit enclosing the outer cylinder wall of the shock absorber. This structure, with the heat dissipation unit enclosing the outer cylinder wall, effectively controls the temperature of the shock absorber within a reasonable range. Thus, the shock absorber is suitable for civilian vehicles, and with the addition of the heat dissipation unit, it can also be used for performance evaluation in vehicle testing. However, this cooling structure is prone to oil leakage, pipes may crack and loosen due to thermal expansion and contraction, resulting in high transport resistance and noise. Furthermore, the high gas content in the cooled oil leads to air resistance and poor flow, affecting the damping force of the shock absorber.

[0004] Therefore, in view of this, we studied and improved the existing structure to address its shortcomings, and proposed a shock absorber oil circulation cooling structure. Summary of the Invention

[0005] The purpose of this invention is to provide a shock absorber oil circulation cooling structure to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a shock absorber oil circulation cooling structure, including an outlet and a temperature compensation guiding mechanism. The temperature compensation guiding mechanism is provided on one side of the outlet, and the temperature compensation guiding mechanism includes a flange located on one side of the outlet. A metal graphite gasket is provided on one side of the flange, and a bellows compensator is provided on one side of the metal graphite gasket. A sound insulation channel pipe is fixedly connected to one side of the bellows compensator, and a guide vane is fixedly connected to the inner wall of the sound insulation channel pipe.

[0007] Preferably, a conveying pipe is fixedly connected to one side of the soundproof channel pipe, and a cooler is fixedly connected to one side of the conveying pipe.

[0008] Preferably, a valve is provided on the outer surface of the outlet, and a shock absorber body is fixedly connected to one side of the outlet.

[0009] Preferably, a connecting pipe is fixedly connected to one side of the cooler, and a circulating pump is fixedly connected to one side of the connecting pipe.

[0010] Preferably, a shock-absorbing base is fixedly connected to the bottom of the circulation pump, and a sealing ring is fixedly connected to one side of the circulation pump.

[0011] Preferably, a defoaming and degassing mechanism is provided on one side of the sealing ring.

[0012] Preferably, the defoaming and degassing mechanism includes a degassing chamber fixedly connected to one side of a sealing ring, and a corrugated defoaming net is provided inside the degassing chamber. An exhaust valve is fixedly connected to the top of the degassing chamber, and a circulation input pipe is fixedly connected to one side of the degassing chamber.

[0013] Compared with the prior art, the beneficial effects of this utility model are: 1. This utility model, through the setting of a temperature compensation flow guiding mechanism, ensures that the metal graphite gasket is tightly fitted to the flange and the bellows compensator interface. Utilizing the sealing properties of graphite and the pressure resistance of metal, zero oil leakage is achieved, preventing oil loss from affecting cooling circulation efficiency. The bellows compensator absorbs the thermal expansion and contraction of the delivery pipe caused by temperature fluctuations in the outlet oil, controlling pipe deformation within allowable limits, preventing cracking at pipe welds or loosening of joints, ensuring the structural integrity of the circulation system. The soundproof channel pipe reduces system operating noise pollution, and the inner wall guide vanes guide the oil to form a spiral-shaped orderly flow field, reducing energy loss from eddies, lowering oil delivery resistance, and improving the operating efficiency of the circulation pump. This not only extends the service life of components such as pipes and compensators but also ensures that the oil enters the cooler at a stable flow rate and state, laying the foundation for subsequent cooling treatment and improving the reliability and economy of the overall circulating cooling system. 2. This utility model, through the setting of the defoaming and degassing mechanism, provides a closed and large-capacity processing space for gas-liquid separation in the degassing chamber. The internal wave-shaped defoaming net, with its multi-layered interwoven mesh structure, can efficiently break up the bubbles in the oil, while significantly increasing the gas-liquid contact area, accelerating the escape of dissolved air, water vapor and other gases from the oil, avoiding the accumulation of gas in the system and forming gas resistance, ensuring smooth oil flow. The oil after degassing and defoaming is smoothly guided back to the main body of the shock absorber through the circulation input pipe, avoiding damping force fluctuations caused by bubble compression or expansion after the gas-containing oil enters the shock absorber, and ensuring stable working performance of the shock absorber. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 2 This is a schematic diagram of the overall side view structure of this utility model; Figure 3 This is a schematic diagram of the temperature compensation and flow guiding mechanism 2 of this utility model; Figure 4 This is a schematic diagram of the defoaming and degassing mechanism 11 of this utility model.

[0015] In the diagram: 1. Outlet; 2. Temperature compensation flow guiding mechanism; 201. Flange; 202. Metal graphite gasket; 203. Corrugated compensator; 204. Sound insulation channel pipe; 205. Flow guide vane; 3. Delivery pipe; 4. Cooler; 5. Valve; 6. Vibration damper body; 7. Connecting pipe; 8. Circulation pump; 9. Vibration damping base; 10. Sealing ring; 11. Defoaming and degassing mechanism; 1101. Degassing chamber; 1102. Corrugated defoaming net; 1103. Exhaust valve; 12. Circulation input pipe. Detailed Implementation

[0016] 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.

[0017] like Figures 1-3 As shown, a shock absorber oil circulation cooling structure includes an outlet 1 and a temperature compensation guiding mechanism 2. The temperature compensation guiding mechanism 2 is provided on one side of the outlet 1, and includes a flange 201 located on one side of the outlet 1. A metal graphite gasket 202 is provided on one side of the flange 201, and a bellows compensator 203 is provided on one side of the metal graphite gasket 202. A sound insulation channel pipe 204 is fixedly connected to one side of the bellows compensator 203, and a guide vane 205 is fixedly connected to the inner wall of the sound insulation channel pipe 204. The flange 201 serves as the connection base. The metal graphite gasket 202 on one side seals the connection between the flange 201 and the bellows compensator 203 to prevent medium leakage and enhance sealing. The bellows compensator 203 can absorb the thermal expansion and contraction of the conveying pipe 3 caused by the temperature change of the medium at the outlet 1, avoiding structural deformation. The sound insulation channel pipe 204 on one side can weaken the noise of medium flow, and the guide vane 205 on the inner wall guides the medium to form an orderly flow field, reducing eddy current loss.

[0018] like Figure 4As shown, a conveying pipe 3 is fixedly connected to one side of the soundproof channel pipe 204, and a cooler 4 is fixedly connected to one side of the conveying pipe 3. A valve 5 is provided on the outer surface of the outlet 1, and a vibration damper body 6 is fixedly connected to one side of the outlet 1. The conveying pipe 3 on one side of the soundproof channel pipe 204 receives the guided medium and stably conveys it to the cooler 4. The cooler 4 can cool down the high-temperature oil to avoid the temperature from affecting the operation of the subsequent vibration damper body 6. The valve 5 on the outer surface of the outlet 1 can adjust the medium flow rate and on / off, and precisely control the conveying rhythm. The cooperation of each component ensures the temperature control, flow stabilization and vibration damping effect of the medium conveying.

[0019] Furthermore, a connecting pipe 7 is fixedly connected to one side of the cooler 4, and a circulating pump 8 is fixedly connected to one side of the connecting pipe 7. A shock-absorbing base 9 is fixedly connected to the bottom of the circulating pump 8, and a sealing ring 10 is fixedly connected to one side of the circulating pump 8. The connecting pipe 7 on one side of the cooler 4 serves as a medium flow channel, transporting the cooled medium to the circulating pump 8. The circulating pump 8 provides power for the medium circulation flow, driving the cooled oil to re-enter the shock absorber body 6, ensuring cooling and conveying efficiency. The shock-absorbing base 9 can absorb the vibration of the pump body during operation, preventing the vibration from affecting the stability of surrounding components. The sealing ring 10 seals the interface between the circulating pump 8 and the connecting pipe 7 to prevent medium leakage. All components work together to achieve the functions of medium circulation, shock absorption, and leak prevention.

[0020] Furthermore, a defoaming and degassing mechanism 11 is provided on one side of the sealing ring 10. The defoaming and degassing mechanism 11 includes a degassing chamber 1101 fixedly connected to one side of the sealing ring 10, and a corrugated defoaming net 1102 is provided inside the degassing chamber 1101. An exhaust valve 1103 is fixedly connected to the top of the degassing chamber 1101, and a circulation input pipe 12 is fixedly connected to one side of the degassing chamber 1101. The sealing ring 10 seals the connection interface between the circulation pump 8 and the defoaming and degassing mechanism 11 to prevent leakage of the medium during transmission and ensure sealing. The degassing chamber 1101 serves as the core processing space. The corrugated defoaming net 1102 inside breaks up the bubbles in the oil through a multi-layer mesh structure, increases the gas-liquid contact area, and promotes gas separation. The exhaust valve 1103 at the top of the degassing chamber 1101 can discharge the separated gas in time. The circulation input pipe 12 on one side guides the degassed and defoamed medium back to the damper body 6.

[0021] Working Principle: When using the oil circulation cooling structure of this shock absorber, firstly, the operator starts the system. The oil discharged from the main body 6 of the shock absorber flows out through outlet 1. The valve 5 on the outer surface of outlet 1 adjusts the oil flow rate and controls the circulation rhythm. The temperature compensation guide mechanism 2 on one side of outlet 1 is activated, and flange 201 achieves a stable connection with outlet 1. The metal graphite gasket 202 seals the interface between flange 201 and bellows compensator 203 to prevent oil leakage. Bellows compensator 203 absorbs the thermal expansion and contraction of the delivery pipe 3 caused by changes in oil temperature, avoiding structural deformation. Then, the oil enters the sound insulation channel pipe 204, where the guide vanes 205 on its inner wall guide the oil to form an orderly flow field, reducing eddy current losses. At the same time, the sound insulation channel pipe 204... 4. To reduce the noise of oil flow, the oil then enters the cooler 4 through the delivery pipe 3. The cooler 4 cools down the high-temperature oil. The cooled oil is then transported to the circulation pump 8 through the connecting pipe 7. The shock-absorbing base 9 at the bottom of the circulation pump 8 absorbs the vibration of the pump body during operation, preventing it from affecting surrounding components. The sealing ring 10 on one side seals the interface to prevent oil leakage. Finally, the oil enters the defoaming and degassing mechanism 11. The wave-shaped defoaming net 1102 in the degassing chamber 1101 breaks the air bubbles in the oil, promoting gas-liquid separation. The separated gas is discharged through the top exhaust valve 1103. The degassed and defoamed oil is guided back to the shock absorber body 6 through the circulation input pipe 12, completing the oil circulation cooling. This is the working principle of the oil circulation cooling structure of the shock absorber.

Claims

1. A shock absorber oil circulation cooling structure, comprising an outlet (1) and a temperature compensation guiding mechanism (2), characterized in that, A temperature compensation flow guiding mechanism (2) is provided on one side of the outlet (1), and the temperature compensation flow guiding mechanism (2) includes a flange (201) located on one side of the outlet (1). A metal graphite gasket (202) is provided on one side of the flange (201), and a bellows compensator (203) is provided on one side of the metal graphite gasket (202). A sound insulation channel pipe (204) is fixedly connected to one side of the bellows compensator (203), and a flow guiding blade (205) is fixedly connected to the inner wall of the sound insulation channel pipe (204).

2. The shock absorber oil circulation cooling structure according to claim 1, characterized in that, The soundproof channel pipe (204) is fixedly connected to a conveying pipe (3) on one side, and a cooler (4) is fixedly connected to one side of the conveying pipe (3).

3. The damper oil circulation cooling structure according to claim 1, characterized in that, A valve (5) is provided on the outer surface of the outlet (1), and a shock absorber body (6) is fixedly connected to one side of the outlet (1).

4. The damper oil circulation cooling structure according to claim 2, characterized in that, A connecting pipe (7) is fixedly connected to one side of the cooler (4), and a circulating pump (8) is fixedly connected to one side of the connecting pipe (7).

5. The damper oil circulation cooling structure according to claim 4, characterized in that, The bottom of the circulating pump (8) is fixedly connected to a shock-absorbing base (9), and a sealing ring (10) is fixedly connected to one side of the circulating pump (8).

6. The damper oil circulation cooling structure according to claim 5, characterized in that, A defoaming and degassing mechanism (11) is provided on one side of the sealing ring (10).

7. The damper oil circulation cooling structure according to claim 6, characterized in that, The defoaming and degassing mechanism (11) includes a degassing chamber (1101) fixedly connected to one side of a sealing ring (10), and a wavy defoaming net (1102) is provided inside the degassing chamber (1101). An exhaust valve (1103) is fixedly connected to the top of the degassing chamber (1101), and a circulation input pipe (12) is fixedly connected to one side of the degassing chamber (1101).

Citation Information

Patent Citations

  • Shock absorber cooling device

    CN206626167U