CN219911349U

CN219911349U - Lightweight pressure limiting valve

Info

Publication number: CN219911349U
Application number: CN202322627814.5U
Authority: CN
Inventors: 李华亭; 张宏林; 王海旺; 王志夏
Original assignee: Xinxiang Yuke Electromechanical Equipment Co ltd
Current assignee: Xinxiang Yuke Electromechanical Equipment Co ltd
Priority date: 2023-09-27
Filing date: 2023-09-27
Publication date: 2023-10-27
Anticipated expiration: 2033-09-27

Abstract

The utility model discloses a lightweight pressure limiting valve, which relates to the technical field of pressure limiting valves and comprises a valve body shell, wherein a sealing cover is arranged at the left end of the valve body shell, a piston cavity is formed in the valve body shell, T-shaped piston blocks are arranged in the piston cavity, a group of springs are arranged on the left sides of the upper end and the lower end of each T-shaped piston block, the other ends of the two groups of springs are arranged at the right end of the sealing cover, a mounting ring is arranged at the right end of the valve body shell, a telescopic assembly is movably connected in the mounting ring, and the right end of the telescopic assembly is connected with an external control device. The utility model can control the flow of the liquid in the piston cavity by controlling the separation distance between the mounting ring and the telescopic component through a series of structures, thereby being convenient for a user to control the flow.

Description

Lightweight pressure limiting valve

Technical Field

The utility model relates to the technical field of pressure limiting valves, in particular to a lightweight pressure limiting valve.

Background

The pressure limiting valve is the simplest pressure regulating valve connected in series between the brake master cylinder and the rear wheel brake lines. The hydraulic pressure in the rear wheel brake pipeline is automatically limited to a certain value after the pressure of the front and rear brake pipelines is synchronously increased from zero, so that the rear wheel is prevented from locking.

The existing automobile pressure limiting valve is installed in an automobile pipeline and runs up and down in a piston cavity through a piston block, so that the pressure limiting valve runs automatically in the pipeline, a user is difficult to adjust the flow of the valve body through an external tool, and under certain specific environments, if the user needs to adjust the flow of the valve body according to conditions such as road conditions or driving habits of the user, the user cannot conveniently adjust the flow.

Disclosure of Invention

The utility model aims to provide a lightweight pressure limiting valve, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a lightweight pressure limiting valve, includes the valve body shell, sealed lid is installed to the left end of valve body shell, the piston chamber has been seted up to the inside of valve body shell, the internally mounted in piston chamber has T type piston block, a set of spring is all installed in the left side at the upper and lower both ends of T type piston block, two sets of the right-hand member at sealed lid is all installed to the other end of spring, the collar is installed to the right-hand member of valve body shell, the inside swing joint of collar has the expansion assembly, the external control device is connected to the right-hand member of expansion assembly.

Preferably, the inside of collar has seted up the export passageway, the outside cover of collar left end is equipped with the second packing ring, the outside of second packing ring is connected with the flexible subassembly.

Preferably, the telescopic assembly comprises a sealing cover, a connecting rod and a control rod, wherein the outer part of the second gasket is connected with the inner wall of the sealing cover, the connecting rod is installed at the right end of the sealing cover, the control rod is installed at the right end of the connecting rod, and the right end of the control rod is connected with an external control device.

Preferably, an inlet channel is formed in the sealing cover, and the right end of the inlet channel is communicated with the piston cavity.

Preferably, a conveying channel is arranged in the T-shaped piston block, the left end outlet of the conveying channel is positioned at the lower end of the T-shaped piston block and is communicated with the piston cavity, and the right end outlet of the conveying channel is directly communicated with the piston cavity.

Preferably, a first sealing gasket is arranged at the left end of the T-shaped piston block.

Preferably, a first gasket is installed at the outer side of the right end of the T-shaped piston block, and the outer portion of the first gasket is connected to the inner wall surface of the piston chamber.

Compared with the prior art, the utility model has the beneficial effects that:

1. this lightweight pressure limiting valve through installing sealed lid and collar respectively at the front and back both ends inner wall of valve body shell, liquid gets into the piston chamber through sealed inside entry passageway, and extrude T type piston piece, thereby get into the inside in piston chamber, the user passes through the outside controlling means control expansion assembly and is connected with the collar, when expansion assembly and collar separation, liquid can leave the piston intracavity portion through the collar, when expansion assembly and collar connection, liquid is restricted in the inside in piston chamber, through the separation distance of control collar and expansion assembly, can control the flow size of the inside liquid of piston chamber, the convenience of customers control flow.

2. This lightweight pressure limiting valve through installing first packing ring between T type piston block and valve body shell, places between T type piston block and the valve body shell lug connection to increase the leakproofness of device.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic illustration of the connection of the telescoping assembly to the mounting ring of the present utility model;

FIG. 3 is a schematic illustration of the connection of the valve body housing, seal cover and mounting ring of the present utility model.

In the figure: 1. a valve body housing; 2. an inlet passage; 3. sealing cover; 4. a spring; 5. a T-shaped piston block; 6. an outlet channel; 7. a first gasket; 8. a first gasket; 9. a telescoping assembly; 901. a closing cap; 902. a connecting rod; 903. a control lever; 10. a mounting ring; 11. a second gasket; 12. a conveying channel; 13. a piston chamber.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, the utility model comprises a valve body shell 1, a sealing cover 3 is arranged at the left end of the valve body shell 1, the connection relation between the valve body shell 1 and the sealing cover 3 is enhanced through threaded connection, a piston cavity 13 is arranged in the valve body shell 1, a T-shaped piston block 5 is arranged in the piston cavity 13, and the T-shaped piston block 5 is in sliding connection with the piston cavity 13. When external force is applied, the T-shaped piston block 5 slides in the piston cavity 13, a group of springs 4 are arranged on the left sides of the upper end and the lower end of the T-shaped piston block 5, the other ends of the two groups of springs 4 are arranged at the right end of the sealing cover 3, the T-shaped piston block 5 and the sealing cover 3 are connected through the two groups of springs 4, the left end of the T-shaped piston block 5 is attached to the right end of the sealing cover 3 under the action of the spring 4 in a state without external force, after the external force is applied, the left end of the T-shaped piston block 5 is separated from the right end of the sealing cover 3, the mounting ring 10 is arranged at the right end of the valve body shell 1, the telescopic assembly 9 is movably connected with the left end of the mounting ring 10 in a state without external force, a sealing effect is formed, the right end of the telescopic assembly 9 is connected with an external control device, the connection relation between the telescopic assembly 9 and the mounting ring 10 can be controlled through the external control device, and the external control device can be a hydraulic push rod assembly for pressure supply of a vehicle body, so that actual control is convenient.

Specifically, the outlet channel 6 has been seted up to the inside of collar 10, and the outside cover of collar 10 left end is equipped with second packing ring 11, and the outside of second packing ring 11 is connected with telescopic assembly 9, connects collar 10 and telescopic assembly 9 through second packing ring 11, can avoid collar 10 and telescopic assembly 9 direct contact, can strengthen the leakproofness simultaneously.

Further, the telescopic assembly 9 comprises a closing cap 901, a connecting rod 902 and a control rod 903, the outer part of the second gasket 11 is connected with the inner wall of the closing cap 901, the connecting rod 902 is installed at the right end of the closing cap 901, the control rod 903 is installed at the right end of the connecting rod 902, the right end of the control rod 903 is connected with an external control device, a user controls the external control device to drive the control rod 903 to move, the external control device can select a common hydraulic rod or a telescopic rod to adjust according to the requirement of the user, the control rod 903 drives the connecting rod 902 to move, and the connecting rod 902 drives the closing cap 901 to move, so that the closing cap 901 is separated from the connection with the second gasket 11.

Further, an inlet channel 2 is formed in the sealing cover 3, the right end of the inlet channel 2 is communicated with the piston cavity 13, and liquid in the pipeline can enter the interior of the piston cavity 13 through the inlet channel 2.

Further, a conveying channel 12 is formed in the T-shaped piston block 5, the left end outlet of the conveying channel 12 is located at the lower end of the T-shaped piston block 5 and is communicated with the piston cavity 13, the right end outlet of the conveying channel 12 is directly communicated with the piston cavity 13, liquid in a pipeline enters the interior of the piston cavity 13 and presses the T-shaped piston block 5 to the right side, so that the T-shaped piston block 5 is separated from the sealing cover 3 and conveyed through the conveying channel 12 of the T-shaped piston block 5, and enters the right end of the piston cavity 13.

Further, the left end of the T-shaped piston block 5 is provided with a first sealing gasket 7, and the left end of the T-shaped piston block 5 is attached to the sealing cover 3 through the first sealing gasket 7 under the action of no external force, so that the sealing performance is enhanced.

Further, the outer side of the right end of the T-shaped piston block 5 is provided with a first gasket 8, the outer part of the first gasket 8 is connected to the inner wall surface of the piston cavity 13, and the right end of the T-shaped piston block 5 is connected with the piston cavity 13 through the first gasket 8, so that the tightness is enhanced.

The application method of the embodiment is as follows: through installing sealed lid 3 and collar 10 respectively at the front and back both ends inner wall of valve body shell 1, liquid gets into piston chamber 13 through sealed inside entry passageway 2 of lid 3, and extrude T type piston piece 5, thereby get into the inside in piston chamber 13, the user passes through the connection of outside controlling means control expansion assembly 9 and collar 10, when expansion assembly 9 and collar 10 separation, liquid can leave the inside of piston chamber 13 through collar 10, when expansion assembly 9 and collar 10 are connected, liquid is restricted in the inside in piston chamber 13, through the separation distance of control collar 10 and expansion assembly 9, can control the flow size of the inside liquid in piston chamber 13.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a lightweight pressure limiting valve, includes valve body shell (1), sealed lid (3) are installed to the left end of valve body shell (1), its characterized in that: the novel valve is characterized in that a piston cavity (13) is formed in the valve body shell (1), T-shaped piston blocks (5) are arranged in the piston cavity (13), a group of springs (4) are arranged on the left sides of the upper end and the lower end of each T-shaped piston block (5), two groups of springs (4) are arranged at the right end of each sealing cover (3), a mounting ring (10) is arranged at the right end of the valve body shell (1), a telescopic assembly (9) is movably connected to the right end of each mounting ring (10), and the right end of each telescopic assembly (9) is connected with an external control device.

2. The lightweight pressure limiting valve of claim 1 wherein: the inside of collar (10) has seted up outlet channel (6), the outside cover of collar (10) left end is equipped with second packing ring (11), the outside of second packing ring (11) is connected with flexible subassembly (9).

3. The lightweight pressure limiting valve of claim 2, wherein: the telescopic component (9) comprises a sealing cover (901), a connecting rod (902) and a control rod (903), wherein the outer part of the second gasket (11) is connected with the inner wall of the sealing cover (901), the connecting rod (902) is installed at the right end of the sealing cover (901), the control rod (903) is installed at the right end of the connecting rod (902), and the right end of the control rod (903) is connected with an external control device.

4. The lightweight pressure limiting valve of claim 1 wherein: an inlet channel (2) is formed in the sealing cover (3), and the right end of the inlet channel (2) is communicated with the piston cavity (13).

5. The lightweight pressure limiting valve of claim 1 wherein: the inside of T type piston piece (5) has seted up delivery channel (12), the left end export of delivery channel (12) is located the lower extreme of T type piston piece (5) and communicates with each other with piston chamber (13), the right-hand member export of delivery channel (12) communicates with each other with piston chamber (13) directly.

6. The lightweight pressure limiting valve of claim 1 wherein: the left end of the T-shaped piston block (5) is provided with a first sealing gasket (7).

7. The lightweight pressure limiting valve of claim 1 wherein: a first gasket (8) is arranged on the outer side of the right end of the T-shaped piston block (5), and the outer portion of the first gasket (8) is connected to the inner wall surface of the piston cavity (13).