Pressure regulating valve
By introducing a valve body cover, sealing needle, and cavity structure into the pressure regulating valve, the design of the pressure regulating valve is simplified, automatic regulation of fluid pressure is achieved, the operating requirements of different actuators are met, and the regulation efficiency is improved.
Patent Information
- Application Number
- CN202520254355.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-02-18
AI Technical Summary
Existing pressure regulating valves have complex structures and require multi-stage oil circuits to meet the operational requirements of different actuators, which increases the complexity of design and manufacturing.
The structure employs a valve body cover, sealing needle, cavity, and multiple valve ports. By adjusting the fluid pressure through the up-and-down movement of the sealing needle, the fluid can be automatically regulated between the valve body cover and the cavity, simplifying the structural design.
It achieves automatic regulation of fluid pressure, simplifies the structure of the pressure regulating valve, meets the operational requirements of different actuators, and improves regulation efficiency.
Smart Images
Figure CN223609425U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pressure regulating valve field especially pressure regulating valve. BACKGROUND
[0002] Pressure regulating valve is a kind of device that can automatically regulate the pressure in pipeline system. Its main function is to adjust the size of exhaust hole cross-sectional area when input pressure changes, automatically adjust the pressure output of system and keep in a stable range. Pressure regulating valve is usually composed of valve body, valve cover, adjusting spring, adjusting nut, main valve with piston and auxiliary valve etc. parts, due to the complex internal structure of pressure regulating valve in prior art, the pressure of fluid can meet the operation requirement of different actuating mechanism by setting multistage oil circuit, therefore, pressure regulating valve is proposed. SUMMARY
[0003] The utility model discloses to overcome the above-mentioned situation shortage, aims at providing a kind of technical scheme that can solve the above-mentioned problem.
[0004] Pressure regulating valve, including valve body, the valve body top is covered with valve body cover, and sealing gasket is arranged between valve body cover and valve body, and sealing gasket is horizontally located at the top of valve body, the valve body cover and sealing gasket are mutually parallel, and cavity is formed between valve body cover and sealing gasket, and cavity and valve body cover are mutually communicated, sealing needle is vertically arranged in the inside of valve body cover, and sealing needle moves up and down in the inside of valve body cover, second valve port is formed on the side of valve body cover, and second valve port and valve body cover are mutually penetrated, and sealing needle moves up and down at the side of second valve port, first valve port is formed on the other side of valve body cover, and pipeline connection is carried out between first valve port and cavity.
[0005] Preferably, the outside top of the valve body cover is vertically provided with a first hexagonal screw, and the first hexagonal screw penetrates the valve body cover, a sealing sleeve is vertically movably arranged at the inside top of the first hexagonal screw, the bottom end of the sealing sleeve is fixed to the top end of the sealing needle, and the sealing sleeve and the sealing needle are in synchronous motion.
[0006] Preferably, a second spring is arranged between the sealing sleeve and the first hexagonal screw, and the second spring is vertically located in the inside of the first hexagonal screw, the top end of the second spring is elastically connected with the inside top of the second hexagonal screw, and the bottom end of the second spring is elastically connected with the top end of the sealing sleeve.
[0007] Preferably, a second hexagonal screw is arranged between the sealing needle and the valve body cover, and the second hexagonal screw is vertically fixed in the inside of the valve body cover, the sealing needle is vertically inserted into the inside of the second hexagonal screw, and the sealing needle penetrates the second hexagonal screw at both ends.
[0008] Preferably, the second hexagonal screw is provided with a plurality of through holes, and the plurality of through holes are distributed around the outer part of the second hexagonal screw, and the plurality of through holes penetrate the second hexagonal screw.
[0009] Preferably, the sealing gasket is provided with an elastic supporting column, and the elastic supporting column is vertically located at the top end of the sealing gasket, and the elastic supporting column is parallel to the sealing needle, the sealing gasket and the valve body are provided with a first spring, and the first spring is vertically located inside the valve body, and the upper and lower ends of the first spring are connected with the sealing gasket and the bottom end inside the valve body, respectively.
[0010] Preferably, the valve cover and the first valve port are provided with a flow guide channel, and the flow guide channel is formed at one side of the inside of the valve cover, and the flow guide channel is connected with the first valve port and the cavity through pipelines at both ends.
[0011] Compared with the prior art, the beneficial effects of the utility model are that when the fluid continuously flows into the inside of the valve cover through the second valve port, the fluid gradually collects in the inside of the valve cover and exerts pressure on the sealing needle, so that the sealing needle moves downward from the inside of the valve cover and moves into the inside of the cavity, and when the sealing needle moves into the inside of the cavity, the fluid in the inside of the valve cover is gradually guided to the inside of the cavity, until the fluid in the inside of the valve cover is completely guided to the inside of the cavity, the sealing needle resets, the pressure in the inside of the cavity changes and drives the fluid in the inside of the cavity to be sprayed out through the first valve port at high pressure, so that the pressure of the fluid can meet the operation requirements of different actuators.
[0012] The additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating labor.
[0014] Fig. 1 It is the structure schematic view of the pressure regulating valve;
[0015] Fig. 2 It is another structure schematic view of the pressure regulating valve.
[0016] As shown in the figure: 1, valve cover, 2, valve body, 3, bolt, 4, the first valve port, 5, the first hexagonal screw, 6, the first spring, 7, sealing gasket, 8, elastic support column, 9, the second hexagonal screw, 10, cavity, 11, flow guide, 12, the second valve port, 13, through hole, 14, sealing needle, 15, the second spring, 16, sealing sleeve. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0018] Please refer to Figs. 1-2 In the embodiments of the utility model, the pressure regulating valve comprises a valve body 2, the top end of the valve body 2 is covered with a valve cover 1, a sealing gasket 7 is arranged between the valve cover 1 and the valve body 2, the sealing gasket 7 is horizontally arranged at the top end of the valve body 2, the valve cover 1 and the sealing gasket 7 are parallel to each other, a cavity 10 is formed between the valve cover 1 and the sealing gasket 7, the cavity 10 and the valve cover 1 are communicated with each other, a sealing needle 14 is vertically arranged in the valve cover 1, the sealing needle 14 moves up and down in the valve cover 1, a second valve port 12 is formed on one side of the valve cover 1, the second valve port 12 and the valve cover 1 are communicated with each other, the sealing needle 14 moves up and down at the side of the second valve port 12, a first valve port 4 is formed on the other side of the valve cover 1, the first valve port 4 is connected with the cavity 10, when fluid continuously flows into the valve cover 1 through the second valve port 12, the fluid gradually gathers in the valve cover 1 and exerts pressure on the sealing needle 14, so that the sealing needle 14 moves downwards from the inside of the valve cover 1 and moves into the cavity 10, when the sealing needle 14 moves into the cavity 10, the fluid in the valve cover 1 is gradually guided into the cavity 10, when the fluid in the valve cover 1 is completely guided into the cavity 10, the sealing needle 14 resets, the pressure in the cavity 10 changes and drives the fluid in the cavity 10 to be sprayed out through the first valve port 4, so that the pressure of the fluid can meet the operation requirements of different actuators.
[0019] A first hexagonal screw 5 is vertically arranged at the top end of the valve cover 1, the first hexagonal screw 5 penetrates the valve cover 1, a sealing sleeve 16 is vertically arranged at the top end of the first hexagonal screw 5, the bottom end of the sealing sleeve 16 is fixed to the top end of the sealing needle 14, and the sealing sleeve 16 and the sealing needle 14 move synchronously.
[0020] The second spring 15 is arranged between the sealing sleeve 16 and the first hexagonal screw 5, and is vertically arranged in the first hexagonal screw 5, the top end of the second spring 15 is elastically connected with the top end in the second hexagonal screw 5, and the bottom end of the second spring 15 is elastically connected with the top end of the sealing sleeve 16, so that the sealing sleeve 16 drives the sealing needle 14 to elastically move up and down in the valve cover 1 through the second spring 15.
[0021] The second hexagonal screw 9 is arranged between the sealing needle 14 and the valve cover 1, and is vertically fixed in the valve cover 1, the sealing needle 14 is vertically inserted into the second hexagonal screw 9 and penetrates the second hexagonal screw 9 at both ends, so that the sealing needle 14 can move up and down in the second hexagonal screw 9.
[0022] The second hexagonal screw 9 is provided with a plurality of through holes 13, and the plurality of through holes 13 are distributed around the outside of the second hexagonal screw 9 and penetrate the second hexagonal screw 9, so that the fluid in the second valve port 12 can flow into the second hexagonal screw 9 through the plurality of through holes 13, and the sealing needle 14 in the second hexagonal screw 9 is pressed.
[0023] The sealing gasket 7 is provided with an elastic support column 8, and the elastic support column 8 is vertically arranged at the top end of the sealing gasket 7, and the elastic support column 8 is parallel to the sealing needle 14, the first spring 6 is arranged between the sealing gasket 7 and the valve body 2, and the first spring 6 is vertically arranged in the valve body 2, and the upper and lower ends of the first spring 6 are respectively connected with the sealing gasket 7 and the bottom end in the valve body 2, so that the elastic cooperation between the first spring 6 and the sealing gasket 7 makes the sealing needle 14 descend and contact the elastic support column 8 to reduce the shock.
[0024] The valve cover 1 is provided with a flow guide channel 11 between the first valve port 4, and the flow guide channel 11 is formed at one side in the valve cover 1, and the flow guide channel 11 is connected with the first valve port 4 and the cavity 10 at both ends, so that the fluid in the cavity 10 can flow out through the first valve port 4 through the flow guide channel 11.
[0025] It is obvious for those skilled in the art that the present application is not limited to the details of the above-mentioned exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.
Claims
1. Pressure regulating valve comprising a valve body, characterized in that The valve body top end cover is provided with a valve cover, and a sealing gasket is arranged between the valve cover and the valve body and transversely located at the top end of the valve body, the valve cover and the sealing gasket are parallel to each other, and a cavity is formed between the valve cover and the sealing gasket and communicates with each other, a sealing needle is vertically arranged inside the valve cover and moves up and down inside the valve cover, a second valve port is formed on one side of the valve cover and penetrates the valve cover, and the sealing needle moves up and down at the side of the second valve port, a first valve port is formed on the other side of the valve cover and connected with the cavity by a pipeline.
2. The pressure regulating valve of claim 1, wherein A first hexagonal screw is vertically arranged at the top end of the valve cover and penetrates the valve cover, a sealing sleeve is vertically arranged at the top end of the first hexagonal screw and fixed at the top end of the sealing needle, and the sealing sleeve and the sealing needle move synchronously.
3. The pressure regulating valve of claim 2, wherein A second spring is arranged between the sealing sleeve and the first hexagonal screw and vertically located inside the first hexagonal screw, the top end of the second spring is elastically connected with the top end inside the second hexagonal screw, and the bottom end of the second spring is elastically connected with the top end of the sealing sleeve.
4. The pressure regulating valve of claim 1, wherein A second hexagonal screw is arranged between the sealing needle and the valve cover and vertically fixed inside the valve cover, the sealing needle is vertically inserted into the second hexagonal screw, and the sealing needle penetrates the second hexagonal screw at both ends.
5. The pressure regulating valve of claim 4, wherein The second hexagonal screw is provided with a plurality of through holes which are distributed around the outer part of the second hexagonal screw and penetrate the second hexagonal screw.
6. The pressure regulating valve of claim 1, wherein The sealing gasket is provided with an elastic support column which is vertically located at the top end of the sealing gasket and parallel to the sealing needle, a first spring is arranged between the sealing gasket and the valve body and vertically located inside the valve body, and the upper and lower ends of the first spring are respectively connected with the sealing gasket and the bottom end inside the valve body.
7. The pressure regulating valve of claim 1, wherein A flow guide is arranged between the valve cover and the first valve port and formed on one side of the valve cover, and the flow guide is connected with the first valve port and the cavity by a pipeline at both ends.