Combination valve with local control mode and remote control mode

Abstract

The utility model discloses a combination valve with a local control mode and a remote control mode, relates to the technical field of fluid control, and aims to solve the problems that when multiple sections of pipelines are connected, the installation process is tedious, gas leakage is easy to occur, and an exposed manual needle valve is easy to touch by mistake. A main path needle valve and a release needle valve are mounted on the top surface of the valve body, and a protection mechanism is arranged on the top surface of the valve body; the main path electromagnetic valve, the main path needle valve, the release needle valve, the nitrogen one-way valve and the safety valve are integrated in the valve body, the integration degree is high, the occupied space is greatly reduced, installation and maintenance are convenient and fast, and the risk of gas leakage is greatly reduced; the main path needle valve and the release needle valve which are exposed outside are protected through the arranged protective shell, and the problems that when multiple sections of pipelines are connected, the installation process is tedious, gas leakage is likely to happen, and the exposed manual needle valve is likely to be touched by mistake are effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fluid control technical field, concretely is a combination valve with local and remote double -control mode. BACKGROUND

[0002] Liquid-driven hydrogen compressor is a kind of high-efficiency hydrogen compression equipment, mainly used to improve the pressure of hydrogen, and deliver it to the required application scene;Its product structure mainly includes driver, compressor and control system etc.;Liquid-driven hydrogen compressor is widely used in hydrogen energy industry.

[0003] At present, the pipeline of hydrogen gas from the inlet to the supercharger in the liquid-driven hydrogen compressor is mostly completed by multiple stainless steel pipes, and various manual needle valves, solenoid valves, safety valves, check valves and other valves are connected in series and parallel in the pipeline to control the on-off, and the hydrogen compressor needs to be purged by nitrogen before hydrogen can be passed through, so a nitrogen purge pipeline is also needed, since multiple pipeline connections involve multiple interfaces and valves, the installation process is very complex, and the risk of gas leakage is high, at the same time, the exposed manual needle valve is often easily mistaken, and there is a certain operation risk.

[0004] Therefore, a combination valve with local and remote double-control mode is needed to solve the problem of complex installation process and easy gas leakage when multiple pipeline connections are made in the prior art, and the exposed manual needle valve is easily mistaken. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a combination valve with local and remote double-control mode to solve the problem of complex installation process and easy gas leakage when multiple pipeline connections are made in the prior art, and the exposed manual needle valve is easily mistaken.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a combination valve with local and remote double-control mode, comprising a valve body, a main road solenoid valve is installed on one side of the front end of the valve body, a main road needle valve and a discharge needle valve are installed on the top surface of the valve body, a nitrogen check valve and a safety valve are installed on the bottom surface of the valve body, plugs are installed on the left and right outer walls of one side and the right side of the bottom surface of the valve body, and a protection mechanism is arranged on the top surface of the valve body.

[0007] The protection mechanism comprises four positioning seats, the four positioning seats are fixedly connected to the top surface of the valve body, two positioning seats at the same end are symmetrically distributed and have a positioning block inserted therein, the same protection shell is fixedly connected between the four positioning blocks, and the right outer wall of the two positioning seats on the right side of the top surface of the valve body is provided with the same locking assembly.

[0008] It needs to be explained in the scheme that the locking assembly comprises a U-shaped frame, the U-shaped frame is fixedly connected to the right side outer wall of the two positioning seats on the right side of the top surface of the valve body, sliding grooves are formed in the inner walls of the two ends of the U-shaped frame, sliding blocks are slidably connected in the sliding grooves, the same moving block is fixedly connected between the two sliding blocks, the plug-in block is fixedly connected to the left side outer wall of the moving block, the slide rod is fixedly connected to the right side outer wall of the moving block, the spring is sleeved on the outer surface of the slide rod, the L-shaped rod is slidably penetrated through the right side outer wall of the U-shaped frame and fixedly connected to the right side outer wall of the slide rod, and the pull plate is fixedly connected to the left side outer wall of the horizontal section of the L-shaped rod.

[0009] It is further worth mentioning that the bottom surface of the valve body is provided with a hydrogen inlet, the left side outer wall of the valve body is provided with a hydrogen outlet, the front end outer wall of the valve body is provided with an instrument port, the right side outer wall of the valve body is provided with a blow-off port, and the bottom end of the nitrogen one-way valve is provided with a nitrogen inlet.

[0010] It needs to be further mentioned that the right side outer wall of the protection shell is fixedly connected with a fixed block, the right side outer wall of the fixed block is provided with a plug-in groove matched with the plug-in block, and the top surface of the protection shell is fixedly connected with a handle.

[0011] As a preferred embodiment, the width of the protection shell is greater than the width of the valve body, and the outer walls on both sides of the spring are fixedly connected with the right side inner wall of the U-shaped frame and the right side outer wall of the moving block, respectively.

[0012] As a preferred embodiment, the plug-in block is inserted into the plug-in groove, the pull plate is L-shaped, and a protective soft pad is mounted on the left side outer wall of the vertical section of the pull plate.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The main road electromagnetic valve, the main road needle valve, the blow-off needle valve, the nitrogen one-way valve and the safety valve are concentrated in the valve body, the complex pipeline connected by multiple sections of pipelines is integrated into a valve group, the degree of integration is high, the occupied space is greatly reduced, the installation and maintenance are relatively convenient, the installation interface is simplified, the risk of gas leakage is greatly reduced, and the problems of complicated installation process and easy gas leakage during the connection of multiple sections of pipelines are effectively avoided.

[0015] 2. The protection shell is provided with the protection mechanism, the protection shell protects the main road needle valve and the blow-off needle valve exposed outside, prevents the main road needle valve and the blow-off needle valve from being touched by mistake, the plug-in block is separated from the plug-in groove by pulling the pull plate, the protection shell can be quickly disassembled, manual control of the main road needle valve and the blow-off needle valve is facilitated, the operation is simple, and the problem that the manual needle valve exposed outside is easily touched by mistake is effectively avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model.

[0017] Figure 2 It is the valve body side view structure schematic diagram of the utility model;

[0018] Figure 3 It is the valve body and protection shell explosion structure schematic diagram of the utility model;

[0019] Figure 4 It is the U-shaped frame front view section structure schematic diagram of the utility model;

[0020] Figure 5 It is the U-shaped frame plan view section structure schematic diagram of the utility model.

[0021] Marked number: 1, valve body;2, main road electromagnetic valve;3, main road needle valve;4, bleeder needle valve;5, nitrogen one-way valve;6, safety valve;7, plug;8, protection mechanism;81, positioning seat;82, positioning block;83, protection shell;84, locking assembly;841, U-shaped frame;842, sliding groove;843, sliding block;844, moving block;845, plug-in block;846, sliding rod;847, spring;848, L-shaped rod;849, pull plate;9, hydrogen inlet;10, hydrogen outlet;11, instrument port;12, bleeder port;13, nitrogen inlet;14, fixed block;15, insertion slot;16, handle. DETAILED DESCRIPTION

[0022] The technical scheme 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 fall within the scope of the utility model.

[0023] Embodiment: as Figures 1-5 The utility model provides a technical scheme, including valve body 1, the main road electromagnetic valve 2 is installed to one side of valve body 1 front end, the main road needle valve 3 and bleeder needle valve 4 are installed to the top surface of valve body 1, the nitrogen one-way valve 5 and safety valve 6 are installed to the bottom surface of valve body 1, the plug 7 is installed to the bottom surface one side and right side outer wall of valve body 1, and the protection mechanism 8 is arranged on the top surface of valve body 1.

[0024] The protection mechanism 8 includes four positioning seats 81, four positioning seats 81 are all fixedly connected on the top surface of valve body 1, two positioning seats 81 located at the same end are symmetrically distributed and are all inserted with positioning blocks 82 inside, the same protection shell 83 is fixedly connected between four positioning blocks 82, and the right side outer wall of two positioning seats 81 located at the right side of the top surface of valve body 1 is provided with the same locking assembly 84.

[0025] Further as Figure 1、 Figure 3 、 Figure 4 and Figure 5 As shown in

[0026] Further as shown in Figure 1 、 Figure 2 and Figure 3 , it is worth specifically explained that the valve body 1 bottom is provided with hydrogen inlet 9, the valve body 1 left side outer wall is provided with hydrogen outlet 10, the valve body 1 front end outer wall is provided with instrument port 11, the valve body 1 right side outer wall is provided with release port 12, the nitrogen one-way valve 5 bottom is provided with nitrogen inlet 13.

[0027] Further as shown in Figure 3 , it is worth specifically explained that the protection shell 83 right side outer wall is fixedly connected with the fixed block 14, the fixed block 14 right side outer wall is provided with the plug slot 15 matched with the plug block 845, the protection shell 83 top is fixedly connected with the handle 16.

[0028] Further as shown in Figure 2 、 Figure 4 and Figure 5 , it is worth specifically explained that the width of the protection shell 83 is greater than the width of the valve body 1, which is convenient for protecting the main road needle valve 3 and the release needle valve 4 after rotation, and the spring 847 two sides outer wall is fixedly connected with the right side inner wall of the U-shaped frame 841 and the right side outer wall of the moving block 844 respectively, which is convenient for controlling the moving block 844 to move through the spring 847.

[0029] Further as shown in Figure 1 、 Figure 3 and Figure 4 , it is worth specifically explained that the plug block 845 is inserted into the plug slot 15, the protection shell 83 is locked and limited through the cooperation of the plug block 845 and the plug slot 15, the pull plate 849 is L-shaped and the vertical section left side outer wall is provided with a protective soft pad, which is convenient for the operator to pull the pull plate 849 better to drive the slide rod 846 to slide.

[0030] In summary: when installing the combined valve, firstly, the valve body 1 is connected with various external pipelines through the hydrogen inlet 9, the hydrogen outlet 10, the relief port 12 and the nitrogen inlet 13, and the external instrument is installed on the valve body 1 through the instrument port 11, so that the installation and setting of the combined valve are completed; when using the combined valve, the hydrogen gas enters the inside of the combined valve from the hydrogen inlet 9, passes through the main path electromagnetic valve 2 and the main path needle valve 3 and enters the downstream system from the hydrogen outlet 10, at the same time, the nitrogen gas enters the inside of the valve body 1 from the nitrogen inlet 13 through the nitrogen one-way valve 5 to perform purging, at this time, the monitoring device installed outside through the instrument port 11 monitors the gas state in the valve body 1, when the gas overpressure, local relief can be realized through the relief needle valve 4 or automatic relief can be realized through the safety valve 6, so that the flow of hydrogen is controlled, the combined valve integrates the complex pipeline connected by multiple pipelines into a valve group, the degree of integration is high, the occupied space is greatly reduced, the installation and maintenance are relatively convenient, and the installation interface is simplified, the risk of gas leakage is greatly reduced, and the problems that the installation process is complicated and the gas leakage is prone to occur when multiple pipelines are connected are effectively avoided.

[0031] When manual operation of the combined valve is needed, the pull plate 849 is pulled to drive the moving block 844 to move away from the protection shell 83 through the slide rod 846, the moving block 844 drives the plug block 845 to separate from the insertion slot 15, and the locking and limiting of the protection shell 83 are released, then the protection shell 83 is pulled away from the valve body 1 through the pull handle 16, and the protection shell 83 is pulled to be separated from the valve body 1 through the cooperation of the positioning seat 81 and the positioning block 82, at this time, the main path needle valve 3 and the relief needle valve 4 are in a bare state, and the operator can manually rotate the main path needle valve 3 and the relief needle valve 4 to control the combined valve, and the reverse is the same, when the combined valve is normally used and manual control is not needed, the spring 847 is in a force contraction state after the pull plate 849 is pulled, the positioning block 82 is inserted into the corresponding positioning seat 81, the pull plate 849 is released, the plug block 845 is inserted into the insertion slot 15 under the elastic action of the spring 847, the protection shell 83 is locked and limited, the main path needle valve 3 and the relief needle valve 4 are protected, the main path needle valve 3 and the relief needle valve 4 are prevented from being mistakenly touched, and the problem that the manual needle valve is easily mistakenly touched when exposed to the outside is effectively avoided.

[0032] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-restrictive, 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 range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be regarded as limiting the claims to which they relate.

Claims

1. A combination valve with local and remote dual control mode comprising a valve body (1) characterized in that: The valve body (1) is provided with a main road electromagnetic valve (2) on the front end, a main road needle valve (3) and a discharge needle valve (4) on the top surface, a nitrogen one-way valve (5) and a safety valve (6) on the bottom surface, a plug (7) on the bottom surface and the right outer wall, and a protection mechanism (8) on the top surface. The protection mechanism (8) comprises four positioning seats (81), which are fixedly connected to the top surface of the valve body (1), and two positioning seats (81) on the same end are symmetrically distributed and internally inserted with positioning blocks (82), and the same protection shell (83) is fixedly connected between the four positioning blocks (82), and the right outer wall of the two positioning seats (81) on the right side of the top surface of the valve body (1) is provided with the same locking assembly (84).

2. The combination valve with local and remote dual control modes according to claim 1, characterized in that: The locking assembly (84) comprises a U-shaped frame (841) fixedly connected to the right outer wall of the two positioning seats (81) on the right side of the top surface of the valve body (1), and the two ends of the U-shaped frame (841) are provided with sliding grooves (842) in the inner walls, and the sliding grooves (842) are internally and slidably connected with sliding blocks (843), and the same moving block (844) is fixedly connected between the two sliding blocks (843), and the left outer wall of the moving block (844) is fixedly connected with an insertion block (845), and the right outer wall of the moving block (844) is fixedly connected with a sliding rod (846), and the sliding rod (846) is externally sleeved with a spring (847), and the right outer wall of the sliding rod (846) is slidably penetrated through the right outer wall of the U-shaped frame (841) and fixedly connected with an L-shaped rod (848), and the left outer wall of the horizontal section of the L-shaped rod (848) is fixedly connected with a pull plate (849).

3. The combination valve having local and remote dual control modes according to claim 2, characterized in that: The valve body (1) is provided with a hydrogen inlet (9) on the bottom surface, a hydrogen outlet (10) on the left outer wall, an instrument port (11) on the front end, a discharge port (12) on the right outer wall, and a nitrogen inlet (13) at the bottom end of the nitrogen one-way valve (5).

4. The combination valve having local and remote dual control modes according to claim 3, wherein: The right outer wall of the protection shell (83) is fixedly connected with a fixed block (14), the right outer wall of the fixed block (14) is provided with an insertion groove (15) matched with the insertion block (845), and the top surface of the protection shell (83) is fixedly connected with a handle (16).

5. The combination valve having local and remote dual control modes according to claim 4, wherein: The width of the protection shell (83) is greater than the width of the valve body (1), and the outer walls on both sides of the spring (847) are fixedly connected with the right inner wall of the U-shaped frame (841) and the right outer wall of the moving block (844).

6. The combination valve having local and remote dual control modes according to claim 5, wherein: The insertion block (845) is inserted into the insertion groove (15), and the pull plate (849) is L-shaped and provided with a protective soft pad on the left outer wall of the vertical section.

Images