Damping ceramic gasket of electronic water pump
By installing shock-absorbing ceramic pads on the electric water pump and utilizing the buffering properties of EPDM material, the noise and vibration problems caused by impeller rotation are solved, achieving noise reduction and cost optimization.
Patent Information
- Application Number
- CN202520369084.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-03-05
AI Technical Summary
When the electronic water pump for new energy vehicles is in operation, the noise and vibration caused by the impeller rotation are difficult to solve effectively, affecting the satisfaction of noise requirements.
The shock-absorbing ceramic pads, including the main body of the shock-absorbing pad and the T-shaped barb, are fixed to the ceramic pads through vulcanization. The buffering properties of EPDM material are used to reduce noise and vibration.
It effectively reduces vibration and noise during the operation of the electric water pump, improves its service life, and reduces production costs.
Smart Images

Figure CN223662196U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of electronic water pump, in particular to a shock attenuation ceramic gasket of electronic water pump. BACKGROUND
[0002] Electronic water pump is installed on new energy automobile, and the water pump impeller rotates at high speed around the pump shaft when the electronic water pump is running, because the impeller has a larger upward force when rotating, so the impeller has a graphite bearing for long time wear and tear, and a ceramic gasket with super high hardness is used at the other end to prevent the impeller from wearing other parts. Because the impeller rotates up and down, a new problem of noise and vibration is brought about, and with the increasing requirement of new energy automobile noise, the requirement of electronic water pump single noise is also more and more strict, in order to meet the requirement of customer to noise, we design a shock attenuation ceramic gasket to reduce the noise and vibration brought by the operation of impeller. UTILITY MODEL CONTENTS
[0003] In order to solve the above technical problems, the utility model provides a shock attenuation ceramic gasket of electronic water pump which reduces noise and vibration.
[0004] The shock attenuation ceramic gasket of electronic water pump, comprising a ceramic gasket, further comprising a shock attenuation pad assembly, the shock attenuation pad assembly is installed on the ceramic gasket, the ceramic gasket is installed on the electronic water pump, when the impeller pushes the ceramic gasket upward, the shock attenuation pad assembly can buffer, and the vibration and noise generated when the electronic water pump runs are reduced.
[0005] Preferably, the shock attenuation pad assembly comprises a shock attenuation pad body and a T-shaped barb part, the shock attenuation pad body is provided with a T-shaped barb part at the bottom end, the shock attenuation pad body and the T-shaped barb part are integrally formed, the ceramic gasket is provided with a ring-shaped T-shaped groove at the top end, and the T-shaped barb part is matched with the ring-shaped T-shaped groove; in use, the T-shaped barb part is extruded into the ring-shaped T-shaped groove, the shock attenuation pad body is installed on the ceramic gasket, and then vulcanization processing can be carried out, the shock attenuation pad body is prevented from falling off from the ceramic gasket through the cooperation of the T-shaped barb part and the ring-shaped T-shaped groove, the structure is stable, the cost of the shock attenuation pad body is relatively low, and the production cost is reduced.
[0006] Preferably, the shock attenuation pad body and the T-shaped barb part are made of EPDM; EPDM can withstand temperature impact of -40 DEG C to 150 DEG C, and can also work in the cooling liquid of the electronic water pump for a long time, and the service life is improved.
[0007] Preferably, the shock attenuation pad body and the T-shaped barb part are made of EPDM; EPDM can withstand temperature impact of -40 DEG C to 150 DEG C, and can also work in the cooling liquid of the electronic water pump for a long time, and the service life is improved.
[0008] Preferably, the outer diameter of the shock-absorbing pad body is smaller than the outer diameter of the ceramic pad. Over time, the shock-absorbing pad body will age and deform. Since the outer diameter of the shock-absorbing pad body is smaller than the outer diameter of the ceramic pad, even if the shock-absorbing pad body ages and deforms, it will not exceed the outer diameter of the ceramic pad, thus improving its service life.
[0009] Compared with the prior art, the beneficial effects of this utility model are as follows: when the ceramic gasket is installed on the electric water pump, the shock-absorbing pad assembly can buffer the vibration and noise generated during the operation of the electric water pump when the impeller pushes the ceramic gasket upward. Attached Figure Description
[0010] Fig. 1 This is a schematic diagram of the isometric structure of this utility model;
[0011] Fig. 2 This is an exploded structural diagram of the present invention;
[0012] Fig. 3 This is a cross-sectional structural diagram of the present invention.
[0013] The attached diagram is labeled as follows: 1. Ceramic gasket; 2. Shock-absorbing pad body; 3. T-shaped barb; 4. Annular T-slot. Detailed Implementation
[0014] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete.
[0015] Example
[0016] like Figs. 1 to 3 As shown, the present invention provides a shock-absorbing ceramic pad for an electronic water pump, comprising a ceramic pad 1 and a shock-absorbing pad assembly, wherein the shock-absorbing pad assembly is mounted on the ceramic pad 1.
[0017] The shock-absorbing pad assembly includes a shock-absorbing pad body 2 and a T-shaped barb part 3. The bottom end of the shock-absorbing pad body 2 is provided with a T-shaped barb part 3. The shock-absorbing pad body 2 and the T-shaped barb part 3 are integrally formed. The top end of the ceramic pad 1 is provided with an annular T-shaped groove 4. The T-shaped barb part 3 is adapted to the annular T-shaped groove 4.
[0018] The main body 2 of the shock-absorbing pad and the T-shaped barb part 3 are made of EPDM.
[0019] The cross-sections of the shock-absorbing pad body 2 and the T-shaped barb part 3 are in the shape of an "I".
[0020] The outer diameter of the shock-absorbing pad body 2 is smaller than the outer diameter of the ceramic pad 1.
[0021] In this embodiment, when in use, the T-shaped barb part 3 is pressed into the inside of the annular T-shaped groove 4, the shock pad main body 2 is installed on the ceramic gasket 1, and then it can be processed through vulcanization, the shock pad main body 2 is avoided from falling off the ceramic gasket 1 through the cooperation of the T-shaped barb part 3 and the annular T-shaped groove 4, the structure is stable, at the same time, the shock pad main body 2 has a low cost, the production cost is reduced, the material of the shock pad main body 2 and the T-shaped barb part 3 is EPDM, EPDM can withstand temperature impact of-40℃~150℃, at the same time, it can also work in the coolant of the electronic water pump for a long time, the shock pad main body 2 has a problem of aging deformation after long-time use, the outer diameter of the shock pad main body 2 is smaller than the outer diameter of the ceramic gasket 1, even if the shock pad main body 2 is aging and deformed, it will not exceed the outer diameter of the ceramic gasket 1.
[0022] The ceramic gasket 1 of the shock ceramic gasket of the electronic water pump is purchased on the market, and the technical personnel in the industry only needs to install and operate according to the attached instruction manual, without the creative labor of the technical personnel in the field.
[0023] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary technical personnel in the technical field, without departing from the technical principle of the utility model, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection range of the utility model.
Claims
1. A shock absorbing ceramic gasket for an electronic water pump, comprising a ceramic gasket (1), characterized in that, It also includes a shock-absorbing pad assembly, which is mounted on a ceramic pad (1).
2. The shock absorbing ceramic gasket for an electronic water pump of claim 1, wherein, The shock-absorbing pad assembly includes a shock-absorbing pad body (2) and a T-shaped barb part (3). The bottom end of the shock-absorbing pad body (2) is provided with a T-shaped barb part (3). The shock-absorbing pad body (2) and the T-shaped barb part (3) are integrally formed. The top end of the ceramic pad (1) is provided with an annular T-shaped groove (4). The T-shaped barb part (3) is adapted to the annular T-shaped groove (4).
3. A shock absorbing ceramic gasket for an electronic water pump as defined in claim 2, wherein The main body (2) of the shock-absorbing pad and the T-shaped barb part (3) are made of EPDM.
4. The shock absorbing ceramic gasket for an electronic water pump of claim 2, wherein, The cross-sections of the main body (2) of the shock-absorbing pad and the T-shaped barb (3) are in the shape of an "I".
5. The shock absorbing ceramic gasket for an electronic water pump of claim 2 wherein, The outer diameter of the damping pad body (2) is smaller than the outer diameter of the ceramic pad (1).