Hydraulic brake valve

Abstract

The utility model discloses a hydraulic brake valve, and relates to the technical field of brake valves, and the hydraulic brake valve comprises a shell, the top surface of the shell is detachably provided with an installation shell, a fixed shell is fixedly arranged in the installation shell, a threaded rod is rotatably connected in the fixed shell, the outer surface of the threaded rod is sleeved with a threaded pipe in a threaded mode, and the threaded pipe is connected with a hydraulic cylinder. A top block is fixedly arranged at the bottom end of the threaded pipe, a movable block is arranged in the fixed shell in a sliding mode, the movable block is movably clamped in the shell, a sliding groove is formed in the fixed shell, a sliding rod is fixedly arranged in the sliding groove, sliding blocks are fixedly arranged on the two sides of the movable block, and by rotating the threaded rod, the threaded pipe drives the top block to ascend; according to the device, the top block is separated from the moving block, then the mounting shell is pulled, and the moving block drives the sliding block to slide on the outer surface of the sliding rod, so that the mounting shell can be conveniently dismounted, the sealing plug can be conveniently detected or replaced, and a large amount of mounting and dismounting time is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of brake valves, in particular to a hydraulic brake valve. Background Art

[0002] Brake valve, automobile brake valve is divided into air brake valve and hydraulic brake valve. The normal operation of the brake valve is of great significance for parking, and it provides technical support for the smooth braking of the car. The development of this technology is of great significance to automobile manufacturing and road traffic safety.

[0003] After the hydraulic brake valve is used, the sealing plug will hit the valve body due to the reflux of hydraulic oil and the force of the spring, which will affect the sealing performance of the sealing plug over a long period of time. Therefore, it is necessary to regularly check the sealing performance. However, the existing sealing plug is not easy to disassemble, which makes it very inconvenient to check the sealing plug and wastes a lot of time. In view of the above problems, the inventor proposes a hydraulic brake valve to solve the above problems. Utility Model Content

[0004] In order to solve the problem that the sealing plug is difficult to disassemble, which makes it very inconvenient and wastes a lot of time when checking the sealing plug; the purpose of the utility model is to provide a hydraulic brake valve.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme: a hydraulic brake valve comprises a shell, the top surface of the shell is detachably provided with a mounting shell, the mounting shell is fixedly provided with a fixed shell, a threaded rod is rotatably connected in the fixed shell, the outer surface of the threaded rod is threadedly sleeved with a threaded tube, the bottom end of the threaded tube is fixedly provided with a top block, the fixed shell is slidably provided with a moving block, the moving block is movably clamped in the shell, a slide groove is provided in the fixed shell, a slide rod is fixedly provided in the slide groove, sliders are fixedly provided on both sides of the moving block, the slider is slidably sleeved on the outer surface of the slide rod, firstly by rotating the threaded rod, so that the threaded tube drives the top block to rise, so that the top block is separated from the moving block, and then the mounting shell is pulled, so that the moving block drives the slider to slide on the outer surface of the slide rod, so that the mounting shell can be conveniently disassembled, the sealing plug can be conveniently inspected or replaced, and a lot of installation and disassembly time is reduced, and a sealing strip is provided at the bottom end of the mounting shell, so that when it is installed on the shell and hydraulic oil is transported, no leakage occurs;

[0006] When the driver steps on the brake pedal, the hydraulic oil enters the groove from the liquid inlet and is transported from the flow groove to the bottom of the fixed plate. At this time, the connecting column is tightly fitted to the bottom end of the groove under the action of the first spring and blocks the through groove. Then, when the pressure is greater than the spring force of the first spring, the fixed plate, the connecting column and the sealing plate can be pushed up, and then the hydraulic oil can flow from the through groove to the movable groove, and from the first connecting groove to the mounting shell, the first connecting groove and the second connecting groove to transport the hydraulic oil. Then, when the pressure is greater than the spring force of the second spring, the sealing plug is separated from the second connecting groove, so that the hydraulic oil can flow out from the liquid outlet, thereby transporting the hydraulic oil.

[0007] Preferably, a connecting column is slidably inserted in the shell, a fixing plate is fixedly sleeved on the outer surface of the bottom end of the connecting column, a sealing plate is fixedly sleeved on the outer surface of the top end of the connecting column, a groove is provided in the shell, the fixing plate is slidably provided in the groove, a movable groove is provided in the shell, the sealing plate is slidably provided in the movable groove, a first spring is fixedly connected between the movable groove and the sealing plate, a liquid inlet is provided in the shell, a flow groove is provided in the shell, and a through groove is provided in the connecting column.

[0008] Preferably, a limit rod is slidably inserted in the mounting shell, a sealing plug is fixedly provided at one end of the limit rod, a limit groove is provided in the mounting shell, the sealing plug is slidably provided in the limit groove, a second spring is fixedly connected between the limit groove and the sealing plug, a first connecting groove is provided in the shell body, a second connecting groove is provided in the mounting shell, the first connecting groove and the second connecting groove are interconnected, and a liquid outlet is provided in the mounting shell.

[0009] Compared with the prior art, the beneficial effects of the present invention are:

[0010] 1. In the utility model, by rotating the threaded rod, the threaded tube drives the top block to rise, so that the top block is separated from the moving block, and then the installation shell is pulled, so that the moving block drives the slider to slide on the outer surface of the slide rod, so that the installation shell can be easily disassembled, the sealing plug can be easily inspected or replaced, and a lot of installation and disassembly time can be reduced;

[0011] 2. In the utility model, after the hydraulic oil enters the groove from the liquid inlet, it is transported from the flow groove to the bottom of the fixed plate, and then when the pressure is greater than the spring force of the first spring, it can push the fixed plate, the connecting column and the sealing plate to rise, and then the hydraulic oil can flow from the through groove to the movable groove, and from the first connecting groove to the mounting shell, so that the hydraulic oil can be transported. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a schematic diagram of a partial cross-sectional structure of the housing of the utility model;

[0015] Figure 3 This is a partial cross-sectional structural diagram of the connecting column of the utility model;

[0016] Figure 4 It is a partial cross-sectional structural diagram of the installation shell of the utility model;

[0017] Figure 5 It is a schematic diagram of the partial cross-sectional structure of the fixed shell of the utility model.

[0018] In the figure: 1. shell; 101. liquid inlet; 102. flow groove; 103. groove; 104. movable groove; 105. first connecting groove; 11. fixed plate; 12. connecting column; 13. sealing plate; 14. first spring; 15. through groove; 2. mounting shell; 201. second connecting groove; 202. liquid outlet; 203. limiting groove; 21. limiting rod; 22. sealing plug; 23. second spring; 3. fixed shell; 301. slide groove; 31. threaded rod; 32. threaded pipe; 33. top block; 34. slide rod; 35. moving block; 36. slider. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example: Figure 1-5As shown, the utility model provides a hydraulic brake valve, including a housing 1, a mounting housing 2 is detachably provided on the top surface of the housing 1, a fixed housing 3 is fixedly provided in the mounting housing 2, a threaded rod 31 is rotatably connected in the fixed housing 3, a threaded tube 32 is threadedly sleeved on the outer surface of the threaded rod 31, a top block 33 is fixedly provided at the bottom end of the threaded tube 32, a moving block 35 is slidably provided in the fixed housing 3, the moving block 35 is movably clamped in the housing 1, a slide groove 301 is provided in the fixed housing 3, a slide rod 34 is fixedly provided in the slide groove 301, and slides are fixedly provided on both sides of the moving block 35 The slider 36 is slidably sleeved on the outer surface of the slide rod 34, and the threaded rod 31 is rotated to make the threaded tube 32 drive the top block 33 to rise, so that the top block 33 is separated from the moving block 35, and then the mounting shell 2 is pulled, so that the moving block 35 drives the slider 36 to slide on the outer surface of the slide rod 34, so that the mounting shell 2 can be easily disassembled, and the sealing plug 22 can be easily inspected or replaced, which reduces a lot of installation and disassembly time. A sealing strip is provided at the bottom end of the mounting shell 2, so that when it is installed on the housing 1 and hydraulic oil is transported, no leakage will occur.

[0021] A connecting column 12 is slidably inserted in the shell 1, a fixing plate 11 is fixedly sleeved on the outer surface of the bottom end of the connecting column 12, a sealing plate 13 is fixedly sleeved on the outer surface of the top end of the connecting column 12, a groove 103 is provided in the shell 1, the fixing plate 11 is slidably provided in the groove 103, a movable groove 104 is provided in the shell 1, the sealing plate 13 is slidably provided in the movable groove 104, a first spring 14 is fixedly connected between the movable groove 104 and the sealing plate 13, a liquid inlet 101 is provided in the shell 1, a flow groove 102 is provided in the shell 1, and a through groove 15 is provided in the connecting column 12.

[0022] By adopting the above technical solution, after the hydraulic oil enters the groove 103 from the liquid inlet 101, it is transported from the flow groove 102 to the bottom of the fixed plate 11. At this time, the connecting column 12 is tightly fitted to the bottom end of the groove 103 under the action of the first spring 14, and the through groove 15 is blocked. Then, when the pressure is greater than the spring force of the first spring 14, the fixed plate 11, the connecting column 12 and the sealing plate 13 can be pushed up, and then the hydraulic oil can flow from the through groove 15 to the movable groove 104, and from the first connecting groove 105 to the mounting shell 2, so that the hydraulic oil can be transported.

[0023] A limit rod 21 is slidably inserted in the mounting shell 2, a sealing plug 22 is fixedly provided at one end of the limit rod 21, a limit groove 203 is provided in the mounting shell 2, the sealing plug 22 is slidably provided in the limit groove 203, a second spring 23 is fixedly connected between the limit groove 203 and the sealing plug 22, a first connecting groove 105 is provided in the shell 1, a second connecting groove 201 is provided in the mounting shell 2, the first connecting groove 105 and the second connecting groove 201 are interconnected, and a liquid outlet 202 is provided in the mounting shell 2.

[0024] By adopting the above technical solution, the hydraulic oil is transported through the first connecting groove 105 and the second connecting groove 201, and then when the pressure is greater than the spring force of the second spring 23, the sealing plug 22 is separated from the second connecting groove 201, so that the hydraulic oil can flow out from the liquid outlet 202, and the hydraulic oil can be transported.

[0025] Working principle: First, by rotating the threaded rod 31, the threaded tube 32 drives the top block 33 to rise, so that the top block 33 is separated from the moving block 35, and then the installation shell 2 is pulled, so that the moving block 35 drives the slider 36 to slide on the outer surface of the slide rod 34, so that the installation shell 2 can be easily disassembled, and the sealing plug 22 can be easily inspected or replaced, which reduces a lot of installation and disassembly time. The bottom end of the installation shell 2 is provided with a sealing strip, so that when it is installed on the housing 1 and the hydraulic oil is transported, no leakage will occur;

[0026] When the driver steps on the brake pedal, the hydraulic oil enters the groove 103 from the liquid inlet 101, and is transported from the flow groove 102 to the bottom of the fixed plate 11. At this time, the connecting column 12 is tightly fitted to the bottom end of the groove 103 under the action of the first spring 14, and the through groove 15 is blocked. Then, when the pressure is greater than the spring force of the first spring 14, the fixed plate 11, the connecting column 12 and the sealing plate 13 can be pushed up, and then the hydraulic oil can flow from the through groove 15 to the movable groove 104, and from the first connecting groove 105 to the mounting shell 2, the first connecting groove 105 and the second connecting groove 201, to transport the hydraulic oil. Then, when the pressure is greater than the spring force of the second spring 23, the sealing plug 22 is separated from the second connecting groove 201, so that the hydraulic oil can flow out from the liquid outlet 202, thereby transporting the hydraulic oil.

[0027] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A hydraulic brake valve, comprising a housing (1), characterized in that: The top surface of the shell (1) is detachably provided with a mounting shell (2), a fixed shell (3) is fixedly provided inside the mounting shell (2), a threaded rod (31) is rotatably connected inside the fixed shell (3), a threaded tube (32) is threadedly sleeved on the outer surface of the threaded rod (31), a top block (33) is fixedly provided at the bottom end of the threaded tube (32), a moving block (35) is slidably provided inside the fixed shell (3), and the moving block (35) is movably clamped in the shell (1).

2. A hydraulic brake valve according to claim 1, characterized in that: A slide groove (301) is provided in the fixed shell (3), a slide rod (34) is fixedly provided in the slide groove (301), sliders (36) are fixedly provided on both sides of the moving block (35), and the sliders (36) are slidably sleeved on the outer surface of the slide rod (34).

3. A hydraulic brake valve according to claim 1, characterized in that: A connecting column (12) is slidably inserted in the shell (1), a fixing plate (11) is fixedly sleeved on the outer surface of the bottom end of the connecting column (12), and a sealing plate (13) is fixedly sleeved on the outer surface of the top end of the connecting column (12).

4. A hydraulic brake valve as claimed in claim 3, characterized in that: The housing (1) is provided with a groove (103), the fixed plate (11) is slidably disposed in the groove (103), the housing (1) is provided with a movable groove (104), the sealing plate (13) is slidably disposed in the movable groove (104), and a first spring (14) is fixedly connected between the movable groove (104) and the sealing plate (13).

5. A hydraulic brake valve as claimed in claim 3, characterized in that: The shell (1) is provided with a liquid inlet (101), the shell (1) is provided with a flow groove (102), and the connecting column (12) is provided with a through groove (15).

6. A hydraulic brake valve according to claim 1, characterized in that: A limiting rod (21) is slidably inserted in the installation shell (2), and a sealing plug (22) is fixedly provided at one end of the limiting rod (21).

7. A hydraulic brake valve according to claim 6, characterized in that: A limiting groove (203) is provided in the installation shell (2), the sealing plug (22) is slidably arranged in the limiting groove (203), and a second spring (23) is fixedly connected between the limiting groove (203) and the sealing plug (22).

8. A hydraulic brake valve according to claim 1, characterized in that: The shell (1) is provided with a first connection groove (105), the mounting shell (2) is provided with a second connection groove (201), the first connection groove (105) and the second connection groove (201) are interconnected, and the mounting shell (2) is provided with a liquid outlet (202).

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