Hydraulic sealing aluminum end cover of DCT hydraulic control module

By using plastic end caps and designing multiple groove structures and secondary sealing mechanisms, the problem of high cost of aluminum end caps is solved, achieving the effect of reducing costs without affecting assembly.

CN223387835UActive Publication Date: 2025-09-26BORGWARNER UNITED TRANSMISSION SYST
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Patent Information

Application Number
CN202423121222.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-09-26
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

The existing aluminum DCT hydraulic control module end cover is expensive, and it is necessary to reduce the cost while maintaining the product's functionality and durability.

Method used

Plastic end caps are used to replace some aluminum end caps, and multiple groove structures are designed on the plastic end caps to form a skeleton, combined with spring connections and secondary sealing mechanisms to ensure sealing effect and structural strength.

Benefits of technology

It reduces production costs while maintaining or improving the structural strength and durability of the product without affecting mass production assembly, achieving higher competitiveness and sealing effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of hydraulic module sealing assemblies, and discloses a hydraulic sealing aluminum end cover of a DCT hydraulic control module, which comprises a plastic end cover, a valve body and a clamp spring, a first array groove is formed in the side surface of the plastic end cover, a second array groove is formed in the side surface of the plastic end cover, and the clamp spring is arranged in the first array groove. An outer side circular groove is formed in the center of the side face of the plastic end cover, and an annular groove is formed in the outer surface of the plastic end cover. According to the utility model, the plastic end cover is made of plastic, so that the cost can be reduced, the competitiveness of a product can be improved, and meanwhile, the plastic end cover is provided with a plurality of grooves, so that a skeleton structure is formed on the plastic end cover, the structural strength, the product function and the durability of the plastic end cover are guaranteed, the material use is further reduced, and the cost is further reduced; and the direction and the size of the modified plastic end cover are not changed, mass production assembly is not affected, investment change of an assembly production line is not needed, and high practicability is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic module sealing components, in particular to a hydraulic sealing aluminum end cover of a DCT hydraulic control module. Background Art

[0002] The DCT hydraulic control module is a core component of a dual-clutch transmission. It is primarily responsible for controlling the engagement and disengagement of the dual clutches, distributing flow through the oil pump system, regulating transmission temperature, and lubricating internal mechanical components. The hydraulic control module can be likened to the "heart" of an automatic transmission. It precisely controls the clutches and brakes through the hydraulic system to complete gear shifts. The hydraulic control module contains a valve body, which requires the installation of end caps to seal its openings during production.

[0003] Existing aluminum end covers can meet the sealing requirements of hydraulic systems, but they are relatively expensive. In a highly competitive market, it is necessary to enhance product competitiveness, reduce costs, and meet product functionality and durability requirements. Utility Model Content

[0004] The purpose of the utility model is to provide a hydraulic sealing aluminum end cover of a DCT hydraulic control module, so as to solve the problem of high cost of using pure aluminum end covers in the prior art.

[0005] The utility model provides the following technical solution: a hydraulic sealing aluminum end cover of a DCT hydraulic control module, comprising a plastic end cover, a valve body and a retaining ring, wherein a first array groove is provided on a side surface of the plastic end cover, a second array groove is provided on a side surface of the plastic end cover, an outer circular groove is provided at the center of the side surface of the plastic end cover, an annular groove is provided on the outer surface of the plastic end cover, an inner circular groove is provided at the center of the other side of the plastic end cover, and an inner groove is provided inside the plastic end cover and is located on the inner wall of the first array groove.

[0006] As a preferred embodiment of the above technical solution, the number of the No. 1 array grooves is set to twelve and the array is arranged with the outer circular groove as the center.

[0007] As a preferred embodiment of the above technical solution, the number of the second array grooves is set to six and the array is arranged with the outer circular groove as the center.

[0008] As a preferred embodiment of the above technical solution, the number of the inner grooves is set to six and they are distributed at intervals on the inner wall of the No. 1 array groove.

[0009] As a preferred embodiment of the above technical solution, the plastic end cover is movably plugged into the opening of the valve body, and the retaining spring is detachably connected to the opening of the valve body. The retaining spring is used to position the plastic end cover at the opening of the valve body.

[0010] As a preferred embodiment of the above technical solution, a secondary sealing mechanism is provided on the side of the plastic end cap, and the secondary sealing mechanism includes a closing piece, which is fixedly connected to the side of the plastic end cap, and a receiving ring is fixedly connected to the side of the closing piece away from the plastic end cap.

[0011] As a preferred embodiment of the above technical solution, one end of the receiving ring away from the closing sheet is fixedly connected to a closing ring, and a metal sheet is fixedly connected to the inner wall of the closing ring.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The utility model can reduce costs and increase product competitiveness by optimizing the material of the plastic end cap to plastic. At the same time, multiple grooves are provided on the plastic end cap to form a skeleton structure on the plastic end cap, thereby ensuring the structural strength, product function and durability of the plastic end cap, further reducing the use of materials and further reducing costs. The modified plastic end cap has no change in direction and size, will not affect mass production assembly, and does not require investment in changes to the assembly production line, so it has high practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural diagram of the plastic end cover and secondary sealing mechanism of the utility model;

[0015] Figure 2 A three-dimensional diagram of the plastic end cap of the present invention;

[0016] Figure 3 This is a schematic diagram of the position structure of the inner circular groove of the utility model;

[0017] Figure 4 This is a schematic diagram of the side structure of the plastic end cover of the utility model;

[0018] Figure 5 This is a structural diagram of the installation position of the plastic end cover of the utility model;

[0019] Figure 6 This is a schematic diagram of the exploded structure of the secondary sealing mechanism of the utility model.

[0020] In the figure: 1. Plastic end cap; 11. Array groove No. 1; 12. Array groove No. 2; 13. Outer circular groove; 14. Annular groove; 15. Inner circular groove; 16. Inner groove; 2. Secondary sealing mechanism; 21. Closing plate; 22. Adapter ring; 23. Closing ring; 24. Metal sheet; 3. Valve body; 4. Circlip. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0022] like Figures 1-6 As shown, the utility model provides a technical solution: a DCT hydraulic control module hydraulic sealing aluminum end cover, including a plastic end cover 1, a valve body 3 and a retaining ring 4, a side of the plastic end cover 1 is provided with a first array groove 11, a side of the plastic end cover 1 is provided with a second array groove 12, an outer circular groove 13 is provided at the center of the side of the plastic end cover 1, an annular groove 14 is provided on the outer surface of the plastic end cover 1, an inner circular groove 15 is provided at the center of the other side of the plastic end cover 1, and an inner groove 1 is provided on the inner wall of the first array groove 11 inside the plastic end cover 1. 6. The material of the plastic end cap 1 is set to plastic. By optimizing the material of the plastic end cap 1 to plastic, the cost can be reduced and the competitiveness of the product can be increased. At the same time, the No. 1 array groove 11, the No. 2 array groove 12, the outer circular groove 13 and the inner circular groove 15 are set to form a skeleton structure on the plastic end cap 1. While ensuring the structural strength, product function and durability of the plastic end cap 1, the use of materials is further reduced, and the cost is further reduced. The direction and size of the modified plastic end cap 1 do not change, and will not affect mass production assembly, and there is no need to invest in changes to the assembly production line.

[0023] As an implementation method in this embodiment, Figure 1-Figure 5 As shown, the number of array grooves 11 is set to twelve and the array is arranged with the outer circular groove 13 as the center of the circle, the number of array grooves 12 is set to six and the array is arranged with the outer circular groove 13 as the center of the circle, the number of inner grooves 16 is set to six and are spaced apart on the inner wall of the array groove 11, the plastic end cover 1 is movably inserted in the opening of the valve body 3, the retaining spring 4 is detachably connected to the opening of the valve body 3, the retaining spring 4 is used to position the plastic end cover 1 at the opening of the valve body 3, and the position design of the array grooves 11, the array grooves 12 and the inner grooves 16 can ensure the structural strength of the plastic end cover 1. When installing the plastic end cover 1, the sealing ring is put on the annular groove 14, and then the plastic end cover 1 is inserted into the interior of the valve body 3, and then the plastic end cover 1 is fixed with the help of the retaining spring 4.

[0024] As an implementation method in this embodiment, Figure 1 、 Figure 6As shown, a secondary sealing mechanism 2 is provided on the side of the plastic end cap 1. The secondary sealing mechanism 2 includes a closing piece 21, which is fixedly connected to the side of the plastic end cap 1. A receiving ring 22 is fixedly connected to the side of the closing piece 21 away from the plastic end cap 1, and a closing ring 23 is fixedly connected to the end of the receiving ring 22 away from the closing piece 21. A metal sheet 24 is fixedly connected to the inner wall of the closing ring 23. If a safer seal is required, the secondary sealing mechanism 2 is adhered to the side of the plastic end cap 1 during the production process of the plastic end cap 1. Before installing the plastic end cap 1, another sealing ring is simultaneously sleeved on the outer wall of the receiving ring 22. When the plastic end cap 1 is installed, the sealing ring will fit against the inner wall of the valve body 3, realizing the double-layer sealing function, further ensuring the sealing effect. The material of the receiving ring 22 is set to plastic that can produce elastic deformation. When the valve body 3 is in operation, the material inside it will generate heat, and the heat will be exchanged with the enclosed air in the inner cavity of the receiving ring 22 through the metal sheet 24 to heat the air, increase the temperature of the air and cause the air to expand. The expanded air will push the receiving ring 22 outward to form a small deformation, so that the rubber ring on the outer wall of the receiving ring 22 can fit more closely with the inner wall of the valve body 3, further ensuring the sealing effect.

[0025] Working principle: When installing the plastic end cap 1, put the sealing ring on the annular groove 14, then insert the plastic end cap 1 into the interior of the valve body 3, and then use the retaining spring 4 to fix the plastic end cap 1. If a safer seal is required, during the production process of the plastic end cap 1, adhere the secondary sealing mechanism 2 to the side of the plastic end cap 1. Before installing the plastic end cap 1, put another sealing ring on the outer wall of the receiving ring 22 at the same time.

[0026] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same.

Claims

1. A hydraulic sealed aluminum end cover for a DCT hydraulic control module, comprising a plastic end cover (1), a valve body (3) and a retaining spring (4), characterized in that: The side of the plastic end cap (1) is provided with a first array groove (11), the side of the plastic end cap (1) is provided with a second array groove (12), an outer circular groove (13) is provided at the center of the side of the plastic end cap (1), an annular groove (14) is provided on the outer surface of the plastic end cap (1), an inner circular groove (15) is provided at the center of the other side of the plastic end cap (1), and an inner groove (16) is provided on the inner wall of the first array groove (11) inside the plastic end cap (1).

2. The hydraulic sealed aluminum end cover of a DCT hydraulic control module according to claim 1, characterized in that: The number of the No. 1 array grooves (11) is set to twelve and the array is arranged with the outer circular groove (13) as the center.

3. The hydraulic sealed aluminum end cover of a DCT hydraulic control module according to claim 1, characterized in that: The number of the second array grooves (12) is set to six and the array is arranged with the outer circular groove (13) as the center.

4. The hydraulic sealing aluminum end cover of a DCT hydraulic control module according to claim 1, characterized in that: The number of the inner grooves (16) is set to six and is distributed at intervals on the inner wall of the No. 1 array groove (11).

5. The hydraulic sealing aluminum end cover of a DCT hydraulic control module according to claim 1, characterized in that: The plastic end cap (1) is movably plugged into the opening of the valve body (3), and the retaining spring (4) is detachably connected to the opening of the valve body (3). The retaining spring (4) is used to position the plastic end cap (1) at the opening of the valve body (3).

6. The hydraulic sealing aluminum end cover of a DCT hydraulic control module according to claim 1, characterized in that: A secondary sealing mechanism (2) is provided on the side of the plastic end cap (1), and the secondary sealing mechanism (2) comprises a sealing piece (21). The sealing piece (21) is fixedly connected to the side of the plastic end cap (1), and a receiving ring (22) is fixedly connected to the side of the sealing piece (21) away from the plastic end cap (1).

7. The hydraulic sealing aluminum end cover of a DCT hydraulic control module according to claim 6, characterized in that: One end of the receiving ring (22) away from the closing sheet (21) is fixedly connected to a closing ring (23), and a metal sheet (24) is fixedly connected to the inner wall of the closing ring (23).