Oil seal with damping function
By designing an oil seal with an X-shaped damping plate and a cross-cavity structure, combined with specific materials, the problems of sealing failure and aging of oil seals in high vibration environments have been solved, achieving higher stability and service life.
Patent Information
- Application Number
- CN202520687858.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-14
AI Technical Summary
Existing oil seals are susceptible to severe impacts and vibrations in high-vibration environments, which can lead to a decrease in sealing performance, even leakage, and accelerated material aging, reducing service life.
Design an oil seal with vibration damping function, which adopts an X-shaped damping plate, a cross-shaped plate and a vertical plate to form a cavity structure, and combines nitrile rubber and fluororubber materials to absorb and disperse vibration energy and enhance the vibration damping effect.
It effectively reduces the impact of vibration on the oil seal, maintains the stability of the sealing surface, reduces wear and aging rate, improves sealing performance and extends service life.
Smart Images

Figure CN223953221U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to oil seal technical field, especially, relate to a oil seal with shock -absorbing function. BACKGROUND
[0002] The function of oil seal is to prevent liquid, gas or dust and other external substances from entering the inside of mechanical equipment, and prevent internal lubricating oil or other liquid from leaking out, it reduces friction, protects components, prolongs the service life of equipment and improves work efficiency through sealing and isolation, and oil seal is widely used in automobile, machinery, aviation and other fields, and ensures the normal operation of equipment under high temperature, high pressure or bad environment.
[0003] The oil seal in the prior art still has some problems in the process of use, for example: the oil seal is easily subjected to severe impact and vibration in a high vibration environment, which leads to a decline in sealing effect and even leakage, in addition, vibration can accelerate the aging and damage of the oil seal material and reduce its service life.
[0004] Therefore, we provide an oil seal with shock-absorbing function to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing an oil seal with shock-absorbing function, which can reduce the influence of vibration on the oil seal and solve the problem that the oil seal in the prior art cannot be damped.
[0006] To solve the above technical problems, the utility model is realized by the following technical scheme.
[0007] The utility model relates to an oil seal with shock-absorbing function, including oil seal body, the oil seal body inner chamber top and bottom are all fixedly connected with the placing ring, the placing ring inside is fixedly connected with the shock pad, the oil seal body inside is fixedly connected with the isolation plate, the isolation plate top is fixedly connected with the vertical plate, the vertical plate inside is fixedly connected with the horizontal plate.
[0008] The utility model is further provided with X-shaped shock pad for improving the shock-absorbing effect of the oil seal.
[0009] The horizontal plate and the vertical plate form a cavity at the intersection, which is used for further absorbing vibration or allowing vibration energy to diffuse in the cavity, thereby reducing the efficiency of vibration transmission.
[0010] The horizontal plate and the vertical plate are made of nitrile rubber, which is used for enhancing the shock-absorbing effect of the oil seal.
[0011] The utility model further sets up, the quality of shock pad is fluorine rubber, through shock pad is used for absorbing vibration power.
[0012] The utility model has the following beneficial effects.
[0013] 1. The utility model discloses a shock pad can absorb the vibration of outside, thereby effectively alleviating the impact force that oil seal receives, keeps the stability of sealing surface, avoids the sealing failure caused by vibration, through the cavity formed by the intersection of horizontal plate and vertical plate, can effectively disperse and absorb external vibration energy, alleviate the impact of vibration to oil seal body, reduce the abrasion and aging speed, thereby improve sealing performance and prolong the service life of oil seal, through the setting of isolation board, can provide additional support effect for shock pad, horizontal plate and vertical plate, reduce the interference of vibration to oil seal body, further improve the stability and reliability of oil seal body. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the embodiment description needed to use the drawing do simple introduction.
[0015] Figure 1 It is a kind of sectional view of the oil seal body in the oil seal with shock-absorbing function.
[0016] Figure 2 It is a kind of sectional view of the oil seal body in the oil seal with shock-absorbing function.
[0017] Figure 3 It is a kind of sectional view of the oil seal body in the oil seal with shock-absorbing function.
[0018] Figure 4 It is a kind of sectional view of the oil seal body in the oil seal with shock-absorbing function.
[0019] Figure 5 It is a kind of sectional view of the oil seal body in the oil seal with shock-absorbing function.
[0020] In the drawing, 1, oil seal body, 2, place ring, 3, shock pad, 4, isolation board, 5, vertical plate, 6, horizontal plate, 7, cavity. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiment of the utility model will be described below in conjunction with the drawings in the embodiment of the utility model, and the described embodiment is only a part of the embodiment of the utility model, not all embodiments.
[0022] Embodiment 1
[0023] Please refer to Figures 1-5The utility model discloses an oil seal with shock -absorbing function, including oil seal body 1, and the inside cavity top and bottom of oil seal body 1 are fixedly connected with the circle 2 of placing, and the inside fixedly connected with shock pad 3 of circle 2 of placing, and the inside fixedly connected with the baffle 4 of oil seal body 1, and the top fixedly connected with the vertical board 5 of baffle 4, and the inside fixedly connected with the horizontal board 6 of vertical board 5.
[0024] Specific: the circle 2 of placing can fix shock pad 3, and the shape of shock pad 3 is X-shaped, and X-shaped structure can effectively disperse vibration energy, provide multiple support points, make shock pad 3 can more evenly absorb and relieve vibration impact when being subjected to external vibration, thereby solve the problem that oil seal in prior art is easy to fail under high vibration environment, and the combination of vertical board 5 and horizontal board 6 can enhance the rigidity and stability of overall structure, and optimize shock -absorbing effect simultaneously.
[0025] Example 2
[0026] Please refer to Figures 1-5 On the basis of example one, the shape of shock pad 3 is X-shaped, and the intersection of horizontal board 6 and vertical board 5 will form cavity 7, and cavity 7 is used to further absorb vibration or allow vibration energy to diffuse in cavity 7, thereby reducing the efficiency of vibration transmission, and effectively reducing the influence of vibration on oil seal body 1, and the material of horizontal board 6 and vertical board 5 is nitrile rubber, which is used to enhance the shock -absorbing effect of oil seal, and the material of shock pad 3 is fluorine rubber, which is used to absorb vibration force.
[0027] Specific: the intersection of horizontal board 6 and vertical board 5 will form cavity 7, and the cavity 7 structure provides additional buffer space, thereby reducing the damage of vibration to oil seal body 1, and at the same time, cavity 7 can also enhance the flexibility of structure, further improve the shock -absorbing effect, ensure that the equipment can stably run under high vibration environment, prolong the service life, and nitrile rubber has good elasticity and shock -absorbing performance, can deform and absorb energy under vibration or impact, and fluorine rubber has excellent resistance, is not easy to age, harden or embrittle in long-term use.
[0028] The working principle of the utility model is: when the vibration of outside is transmitted to oil seal body 1, oil seal body 1 will transmit vibration to the circle 2 of placing, then the circle 2 of placing will transmit vibration to shock pad 3, and shock pad 3 can absorb and disperse vibration through its elasticity and X-shaped structure design, thereby effectively reducing the influence of vibration on oil seal system, and then vibration will be transmitted to horizontal board 6 and vertical board 5, and horizontal board 6 and vertical board 5 will further absorb, disperse and relieve vibration energy through the cavity 7 formed by the intersection of itself, thereby further reducing the negative influence of vibration on oil seal body 1, and improving the stability and working life of oil seal body 1.
[0029] The preferred embodiments disclosed above are only used to help describe the utility model, the preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation mode described, the description selects and specifically describes these embodiments, in order to better explain the principle and practical application of the utility model, so that the skilled in the art can well understand and utilize the utility model.
Claims
1. An oil seal having a shock absorbing function, comprising an oil seal body (1), characterized in that: The oil seal body (1) inner cavity top and bottom are fixedly connected with the placing ring (2), the placing ring (2) is fixedly connected with the damping plate (3) inside, the oil seal body (1) is fixedly connected with the isolation plate (4) inside, the isolation plate (4) top is fixedly connected with the vertical plate (5), the vertical plate (5) is fixedly connected with the horizontal plate (6) inside.
2. The oil seal with a damping function according to claim 1, characterized in that: The shape of the damping plate (3) is X-shaped, and the damping plate (3) is used to improve the damping effect of the oil seal.
3. The oil seal with shock absorbing function according to claim 1, characterized in that: The intersection of the horizontal plate (6) and the vertical plate (5) forms a cavity (7), which is used to further absorb vibration or allow vibration energy to spread in the cavity (7), thereby reducing the efficiency of vibration transmission.
4. The oil seal with a damping function according to claim 1, characterized in that: The material of the horizontal plate (6) and the vertical plate (5) is nitrile rubber, which is used to enhance the damping effect of the oil seal.
5. The oil seal with a damping function according to claim 1, characterized in that: The material of the damping plate (3) is fluorine rubber, which is used to absorb vibration force.