Drain valve structure of vehicle gas storage tank and control drainage system

By using a solenoid valve to control the drain valve structure and controller in the vehicle's air tank, the problem of water accumulation in the air tank not being able to be automatically drained was solved, enabling automatic periodic drainage and improving the reliability of the braking system and the stability of the solenoid valve.

CN223826049UActive Publication Date: 2026-01-23XIAMEN BOZI IND & TRADE CO LTD
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Patent Information

Application Number
CN202520074187.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2026-01-23
Estimated Expiration
2035-01-14

AI Technical Summary

Technical Problem

Water accumulation in the air tanks of existing vehicles cannot be automatically drained, leading to water accumulation and rust in the braking system lines, aging of valve parts, and affecting the overall braking performance of the vehicle. Furthermore, the need for regular manual drainage introduces uncertainty.

Method used

Design a drain valve structure for a vehicle air tank, using a solenoid valve to control drainage and equipped with a controller to achieve periodic automatic drainage. Combine the limit step and sealing structure to improve the stability and strength of the solenoid valve.

Benefits of technology

It enables automatic periodic drainage of liquid from the gas tank, avoiding the uncertainty of manual operation, improving the reliability of the braking system and the safety of the entire vehicle, and extending the service life of the solenoid valve.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a drain valve structure of a vehicle air storage tank, which comprises a first outer shell, an electromagnetic valve and a sealing cover, a mounting groove is arranged in the first outer shell, and a water inlet hole and a water outlet hole which are communicated with the mounting groove are further arranged on the side wall of the first outer shell; the electromagnetic valve is arranged in the mounting groove and comprises an electromagnetic part and a valve body part, the water inlet end of the valve body part corresponds to the water inlet hole, and the water outlet end of the electromagnetic valve corresponds to the water outlet hole; the sealing cover is arranged on the first outer shell and located at the opening of the mounting groove; according to the drain valve structure, the electromagnetic valve is arranged for controlling drainage, meanwhile, the drain valve structure can be matched with the controller for regular drainage, manual operation is not needed, the overall strength of the drain valve structure is high, and damage to the electromagnetic valve is avoided in the follow-up installation process; the utility model further provides a control drainage system which comprises a controller and drainage valves, and the controller controls the drainage valve structures to drain water.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile accessories, in particular to a drainage valve structure and control drainage system of vehicle gas holder. BACKGROUND

[0002] In the vehicle pipeline system with compressed air as power source, although the air drying system is installed, water will still be condensed in the gas holder after time accumulation, if the water in the gas holder cannot be drained, the whole brake system pipeline will be waterlogged, rusted and the valve parts in the pipeline will be prematurely aged, which will affect the brake performance of the whole vehicle. At present, in order to ensure the normal work of the gas equipment in the pipeline, a manual water drain valve is installed at the bottom of the vehicle gas holder, however, the following problems may exist in this way: the maintenance personnel need to manually pull the pull ring under the water drain valve for drainage regularly, since the drainage is manually controlled, whether the drainage of the gas holder is timely and so on, which brings hidden troubles to the normal and safe operation of the whole vehicle.

[0003] Therefore, the present application is produced. SUMMARY

[0004] The utility model discloses a drainage valve structure of vehicle gas holder, which is used for draining the liquid in the vehicle gas holder, comprising:

[0005] The utility model also provides a control drainage system.

[0006] According to the drainage valve structure of the vehicle gas holder, the liquid in the vehicle gas holder can be drained.

[0007] A first outer shell is provided with a mounting groove inside, and a water inlet hole and a water outlet hole are further provided on the side wall of the first outer shell and communicated with the mounting groove;

[0008] An electromagnetic valve is arranged in the mounting groove, which comprises an electromagnetic part and a valve body part, the water inlet end of the valve body part corresponds to the water inlet hole, and the water outlet end of the electromagnetic valve corresponds to the water outlet hole;

[0009] A sealing cover is arranged on the first outer shell and located at the opening of the mounting groove;

[0010] The bottom of the mounting groove is provided with a first limiting step and a second limiting step for limiting the valve body part and located at the side edge of the valve body part, and a third limiting step is arranged on the sealing cover and extends into the mounting groove and located at the side wall of the valve body part.

[0011] The drainage valve structure of the utility model is provided with an electromagnetic valve for controlling drainage, and can be matched with a controller for regular drainage, and manual operation is not needed, and in addition, a first limiting step and a limiting step are further arranged on the first shell body, and are matched with a third limiting step on the sealing cover, which not only can play a good limiting role on the electromagnetic valve, but also improves the overall strength, and avoids damage to the electromagnetic valve in the subsequent installation process.

[0012] In some embodiments of the utility model, the bottom of the installation groove is further provided with a first supporting strip for supporting the electromagnetic part, and a second supporting strip is arranged in the installation groove towards the sealing cover.

[0013] In some embodiments of the utility model, the first limiting step and the second limiting step are both arranged side by side in two, and a spacing is arranged between the two first limiting steps and between the two second limiting steps.

[0014] In some embodiments of the utility model, a sealing ring is arranged between the first shell body and the sealing cover.

[0015] In some embodiments of the utility model, the drainage valve structure further comprises a water inlet connector arranged at the water inlet hole and communicating with the water inlet end of the valve body part, and a water outlet connector arranged at the water outlet hole and communicating with the water outlet end of the valve body part.

[0016] In some embodiments of the utility model, at least one of the upper end face and the lower end face of the valve body part is provided with a heating plate.

[0017] In some embodiments of the utility model, the upper end face of the valve body part is provided with a first groove for embedding the heating plate, and the lower end face is provided with a second groove for embedding the heating plate.

[0018] In some embodiments of the utility model, the side wall of the first shell body is further provided with a wire arrangement port for wiring, and the outer side wall is provided with a mounting step corresponding to the wire arrangement port.

[0019] According to the control drainage system provided by the utility model, the drainage valve structure is adopted, and the controller controls the drainage of the drainage valve structure.

[0020] In some embodiments of the utility model, the controller comprises a second shell body with openings at both ends, a first end cover and a second end cover arranged at both ends of the second shell body.

[0021] The second outer shell includes a bottom shell and an upper shell that cooperate with each other. The bottom shell has two parallel vertical sections, namely a first vertical section and a second vertical section. The upper shell has two parallel vertical sections, namely a third vertical section and a fourth vertical section. A first fastening groove is provided on the first vertical section. A first fastening platform for cooperating with the first fastening groove is provided on the third vertical section. A second fastening groove is provided on the fourth vertical section. A second fastening platform for cooperating with the second fastening groove is provided on the second vertical section. Attached Figure Description

[0022] The accompanying drawings, which are provided to further illustrate the present invention and constitute a part of the present invention, illustrate exemplary embodiments of the present invention and are used to explain the present invention, but do not constitute an undue limitation of the present invention.

[0023] in:

[0024] Figure 1 This is a schematic diagram of the structure of the drain valve of this utility model;

[0025] Figure 2 This is a schematic diagram of the internal structure of the drain valve of this utility model;

[0026] Figure 3 This is an exploded view of the structure of the drain valve of this utility model;

[0027] Figure 4 This is a schematic diagram of the structure of the first outer shell of this utility model;

[0028] Figure 5 This is a schematic diagram of the structure of the sealing cap of this utility model;

[0029] Figure 6 This is a schematic diagram of the structure of the controller of this utility model;

[0030] Figure 7 This is an exploded view of the controller of this utility model;

[0031] Figure 8 This is a schematic diagram of the structure of the bottom shell of this utility model;

[0032] Figure 9 This is a schematic diagram of the upper shell of this utility model.

[0033] Label Explanation:

[0034] 10. First outer casing; 11. Mounting groove; 12. Water inlet; 13. Water outlet; 14. First limiting step; 15. Second limiting step; 16. First support bar; 17. Annular groove; 18. Third groove; 19. Cable tray; 191. Mounting step; 20. Solenoid valve; 21. Solenoid unit; 22. Valve body; 221. First groove; 222. Second groove; 30. Sealing cap; 31. Third limiting step; 32. Second support bar; 33. 34. Annular step; 40. Fourth groove; 50. Sealing ring; 60. Water inlet connector; 70. Water outlet connector; 81. Heating plate; 82. Second outer shell; 83. Bottom shell; 84. First vertical part; 85. Second vertical part; 86. First snap-fit ​​groove; 87. Second snap-fit ​​platform; 88. Upper shell; 89. Third vertical part; 80. Fourth vertical part; 81. First snap-fit ​​platform; 82. Second snap-fit ​​groove; 90. First end cap; 91. Second end cap. Detailed Implementation

[0035] To make the technical problem to be solved, the technical solution, and the beneficial effects of this utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model. Example 1

[0036] Please see Figures 1 to 5 This is a drain valve structure for a vehicle air tank, as an embodiment 1 of the present invention, used to drain liquid from the vehicle air tank. It includes a first outer shell 10, a solenoid valve 20, and a sealing cap 30. The first outer shell 10 has an internal mounting groove 11, and its side wall also has an inlet hole 12 and an outlet hole 13 communicating with the mounting groove 11. The solenoid valve 20 is disposed within the mounting groove 11, and includes a solenoid part 21 and a valve body part 22. The inlet end of the valve body part 22 corresponds to the inlet hole 12, and the outlet end of the solenoid valve 20 corresponds to the outlet hole 13. The sealing cap 30 is disposed on the first outer shell 10 and located at the opening of the mounting groove 11. The bottom of the mounting groove 11 is provided with… A first limiting step 14 and a second limiting step 15 are provided to limit the valve body 22 and are located on the side of the valve body 22. A third limiting step 31 is provided on the sealing cover 30, extending into the mounting groove 11 and located on the side wall of the valve body 22. The drain valve structure of this utility model uses a solenoid valve 20 to control drainage. It can also be used with a controller for periodic drainage without manual operation. Furthermore, the first outer shell 10 is also provided with a first limiting step 14 and a limiting step, which, together with the third limiting step 31 on the sealing cover 30, not only can play a good limiting role for the solenoid valve 20, but also improve the overall strength and avoid damage to the solenoid valve 20 during subsequent installation.

[0037] Please refer to details. Figure 3 , 4 5. A first support bar 16 is provided at the bottom of the mounting groove 11 to support the electromagnetic part 21, and a second support bar 32 is provided facing the inside of the mounting groove 11 on the sealing cover 30. The first support bar 16 is arranged opposite to the second support body. The first support bar 16 and the second support bar 32 make it easier to more stably and firmly restrict the electromagnetic part 21 in the mounting groove 11. Two first support bars 16 and two second support bars 32 are provided.

[0038] Two first limiting steps 14 and two second limiting steps 15 are arranged side by side, with a gap between the two first limiting steps 14 and the two second limiting steps 15. Two third limiting steps 31 are also provided. The overall strength is improved by the arrangement of the first limiting steps 14, the second limiting steps 15 and the third limiting steps 31.

[0039] Please refer to details. Figure 2 , 3 A sealing ring 40 is provided between the first outer shell 10 and the sealing cover 30 to improve the sealing effect. An annular groove 17 for the sealing ring 40 to be inserted is provided on the first outer shell 10 at the opening of the mounting groove 11. The sealing cover 30 is provided with an annular step 33 corresponding to the annular groove 17. After the sealing ring 40 is inserted into the annular groove 17, the sealing cover 30 covers the opening of the mounting groove 11, and the annular step 33 is inserted into the annular groove 17. Then, the sealing cover 30 is locked to the first outer shell 10 by several bolts, so that the overall sealing effect is improved. A metal connecting post is provided on the first outer shell 10. The connecting post is provided with an internal threaded hole for bolt connection. The bolt passes through the sealing cover 30 and connects to the connecting post. The connecting post can be directly formed on the first outer shell 10 by insert injection molding process.

[0040] Please refer to details. Figure 2 , 3 The drain valve structure also includes an inlet connector 50 located at the inlet hole 12 and communicating with the inlet end of the valve body 22, and an outlet connector 60 located at the outlet hole 13 and communicating with the outlet end of the valve body 22. The inlet connector 50 and outlet connector 60 can be selected as needed, for example, based on the wiring route. If limited by actual requirements, the outlet connector 60 can adopt the configuration shown in the figure of this utility model. Due to the first limiting step 14, the second limiting step 15, and the third limiting step 31, the solenoid valve 20 is well limited. Therefore, when tightening the inlet connector 50 and the outlet connector 60, a greater force can be applied, resulting in a tighter connection and preventing leakage.

[0041] Please refer to details. Figure 3At least one of the upper and lower surfaces of the valve body 22 is provided with a heating plate 70. In cold weather, especially in northern winters, liquids may freeze and cannot be drained promptly. The heating plate 70 is used to heat the liquid and overcome the freezing problem. This invention provides two heating plates 70, which are respectively fixed to the upper and lower surfaces of the valve body 22. Specifically, they can be fixed with high-temperature resistant adhesive, or V-shaped grooves can be opened on both sides of the heating plate 70, and small screws can be screwed into the valve body 22 to abut against the grooves. The number of small screws can be selected according to actual needs. The upper surface of the valve body 22 is provided with a first groove 221 for embedding the heating plate 70, and the lower surface is provided with a second groove 222 for embedding the heating plate 70. To better limit the position, a third groove 18 for embedding the heating plate 70 is provided at the bottom of the mounting groove 11, and a fourth groove 34 for embedding the heating plate 70 is provided on the side of the sealing cover 30 near the mounting groove 11, wherein the third groove 18 is located between the first limiting step 14 and the second limiting step 15.

[0042] Please refer to details. Figure 3 , 4 Since the solenoid valve 20 and the heating plate 70 require wires, the side wall of the first housing 10 is also provided with a wiring port 19 for wiring, and the outer side wall is provided with a mounting step 191 corresponding to the wiring port 19. The interior of the mounting step 191 is hollow and connected to the mounting groove 11 through the wiring port 19. The outer side wall of the mounting step 191 is provided with external threads. After the wiring is arranged, it is connected to the mounting step 191 by a sealing nut to achieve a sealing effect. Example 2

[0043] Please see Figures 1 to 9 This is a drainage control system as an embodiment 2 of the present invention, including a controller and the drainage valve structure of embodiment 1. The controller controls several drainage valve structures to drain water, the number of which varies from 1 to 20, depending on actual needs. The specific control method is prior art and will not be described in detail. For example, at night, when the vehicle is stopped, the solenoid valve 20 can be opened via the control board to automatically drain water. Ideally, this is done at night when the vehicle is not in use. The controller includes a second outer shell 80 with openings at both ends, a first end cap 91 disposed at both ends of the second outer shell 80, and a second end cap 91. Two end caps 92; the second outer shell 80 includes a bottom shell 81 and an upper shell 82 that cooperate with each other. The bottom shell 81 has two parallel first vertical portions 811 and second vertical portions 812. The upper shell 82 has two parallel third vertical portions 821 and fourth vertical portions 822. The first vertical portion 811 is provided with a first fastening groove 813. The third vertical portion 821 is provided with a first fastening platform 823 for cooperating with the first fastening groove 813. The fourth vertical portion 822 is provided with a second fastening groove 824. The second vertical portion 812 is provided with a second fastening platform 814 for cooperating with the second fastening groove 824.

[0044] Please refer to details. Figures 6-9 The first engaging groove 813 and the second engaging groove 824 have the same structure, and the first engaging platform 823 and the second engaging platform 814 have the same structure. The first engaging platform 823 includes an extended step provided on the third vertical part 821 and a cylindrical part provided on the extended step. The outer diameter of the cylindrical part is larger than the width of the extended step. The shape of the first engaging groove 813 can be adapted to the first engaging platform 823. Both the bottom shell 81 and the upper shell 82 are made of aluminum profiles. The bottom shell 81 is U-shaped with extensions on both sides for mounting the controller to the required position. The upper shell 82 is U-shaped. The bottom shell 81 and the upper shell 82 are fastened together, forming an internal space for mounting circuit boards and circuit components. The first end cover 91 and the second end cover 92 are locked with bolts. Both the bottom shell 81 and the upper shell 82 have internal threaded holes for engaging with the bolts. The inner side wall of the bottom shell 81 also has a sliding groove for embedding the circuit board, which can be directly slid into the designated position inside the bottom shell 81. During installation, the second fastening platform 814 corresponds to the second fastening groove 824, and the first fastening platform 823 corresponds to the first fastening groove 813. Then, they are slid to a flush position. Then, the first end cover 91 and the second end cover 92 are installed with bolts. The circuit board and circuit components can be installed as needed. The controller of this utility model uses aluminum profiles, which can achieve quick and convenient connection. At the same time, the aluminum profile structure is stable and strong, providing better protection for the internal circuit boards, etc.

[0045] The first outer shell 10, the second outer shell 80, the first end cap 91, and the second end cap 92 all adopt aluminum profile structure, which improves the overall strength and facilitates connection. Moreover, the shape and appearance color can be selected according to the needs. Simply cut the long aluminum profile to the required length. Multiple drain valves can be drained.

[0046] In summary, the drain valve structure of this utility model uses a solenoid valve to control drainage and can be used with a controller for periodic drainage without manual operation. Furthermore, the first outer shell is provided with a first limiting step and a limiting step, which, together with the third limiting step on the sealing cover, not only provides a good limiting effect for the solenoid valve, but also improves the overall strength and avoids damage to the solenoid valve during subsequent installation.

[0047] The present invention has been described above with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvements made using the inventive concept and technical solution of the present invention, or the direct application of the inventive concept and technical solution to other situations without modification, are all within the protection scope of the present invention.

Claims

1. A drain valve structure for a vehicle air tank, characterized in that, include: A first outer casing, wherein an installation groove is provided inside the first outer casing, and a water inlet and a water outlet communicating with the installation groove are also provided on the side wall of the first outer casing. A solenoid valve is disposed in a mounting groove and includes a solenoid part and a valve body part. The water inlet end of the valve body part is provided corresponding to the water inlet hole, and the water outlet end of the solenoid valve is provided corresponding to the water outlet hole. A sealing cap, wherein the sealing cap is disposed on the first outer casing and located at the opening of the mounting groove; The bottom of the mounting groove is provided with a first limiting step and a second limiting step for limiting the valve body and located on the side of the valve body. The sealing cover is provided with a third limiting step extending into the mounting groove and located on the side wall of the valve body.

2. The drain valve structure for a vehicle air tank according to claim 1, characterized in that, The bottom of the mounting groove is also provided with a first support bar to support the electromagnetic part, and the sealing cover is provided with a second support bar facing into the mounting groove.

3. The drain valve structure for a vehicle air tank according to claim 1, characterized in that, Two first limiting steps and two second limiting steps are arranged side by side, and a gap is provided between the two first limiting steps and between the two second limiting steps.

4. The drain valve structure for a vehicle air tank according to claim 1, characterized in that, A sealing ring is provided between the first outer shell and the sealing cover.

5. The drain valve structure for a vehicle air tank according to claim 1, characterized in that, The drain valve structure also includes an inlet connector located at the inlet hole and connected to the inlet end of the valve body, and an outlet connector located at the outlet hole and connected to the outlet end of the valve body.

6. The drain valve structure for a vehicle air tank according to claim 1, characterized in that, A heating plate is provided on at least one of the upper and lower end faces of the valve body.

7. The drain valve structure for a vehicle air tank according to claim 6, characterized in that, The upper end face of the valve body is provided with a first groove for embedding the heating plate, and the lower end face is provided with a second groove for embedding the heating plate.

8. The drain valve structure for a vehicle air tank according to claim 1, characterized in that, The first outer casing sidewall is also provided with a wiring port for wiring, and the outer sidewall is provided with an installation step corresponding to the wiring port.

9. A drainage control system, characterized in that, It includes a controller and a drain valve structure as described in any one of claims 1-8, wherein the controller controls a plurality of drain valve structures to drain water.

10. A controlled drainage system according to claim 9, characterized in that, The controller includes a second housing with openings at both ends, a first end cap and a second end cap disposed at both ends of the second housing; The second outer shell includes a bottom shell and an upper shell that cooperate with each other. The bottom shell has two parallel vertical sections, namely a first vertical section and a second vertical section. The upper shell has two parallel vertical sections, namely a third vertical section and a fourth vertical section. A first fastening groove is provided on the first vertical section. A first fastening platform for cooperating with the first fastening groove is provided on the third vertical section. A second fastening groove is provided on the fourth vertical section. A second fastening platform for cooperating with the second fastening groove is provided on the second vertical section.