Gas dual-purpose two-way valve

Abstract

The utility model provides a gas dual-purpose two-way valve, which belongs to the technical field of gas two-way valves, aims to solve the problem that the gas two-way valve is inconvenient to filter gas and install and maintain, and comprises a two-way valve shell, two drawing filtering grooves are symmetrically formed in the front end of the through valve shell, two sealing plates are arranged in the top end faces of the drawing filtering grooves, two electric cylinders are symmetrically installed at the top of the through valve shell, the telescopic ends of the bottoms of the electric cylinders are connected with connecting columns, the bottoms of the connecting columns are fixedly connected with blocking baffles, and the blocking baffles are arranged in the through valve shell; according to the dual-purpose two-way valve for the coal gas, the two gas inlets are connected with the two independent gas inlet channels, the front ends of the gas inlet channels are connected with the filtering channels, so that the coal gas circulating between the gas inlet channels and the gas outlet channels is filtered, the purity of the coal gas is guaranteed, and the two gas inlet channels and the gas outlet channels are controlled to be opened alternately through the blocking baffles; and gas crossing can be avoided, and the use safety of coal gas is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of a gas two-way valve, in particular to a gas dual-purpose two-way valve. Background Art

[0002] The gas two-way valve has two gas inlets and one gas outlet. It is a valve used to control the gas channel. It can effectively avoid gas crossover and improve the safety of gas use. At present, the existing gas dual-purpose two-way valve has a high degree of integration and a relatively compact size. The sealing and operability are usually affected, so there is inconvenience in component replacement and maintenance. When users install and maintain the valve, it is inconvenient to operate. In addition, it only provides opening and closing operations for gas, and cannot filter impurities in the gas, thus affecting the use of gas. Utility Model Content

[0003] The utility model aims to provide a two-way valve for gas, so as to solve the problem that the existing two-way valve for gas, as mentioned in the background technology, is high in integration and compact in size, and the sealing and operability are usually affected, so that there is inconvenience in parts replacement and maintenance.

[0004] The utility model provides a two-way valve for gas, comprising a valve housing, the front end of which is symmetrically provided with two pull-out filter troughs, and the top of which is symmetrically installed with two electric cylinders; two sealing plates are arranged in the top end faces of the pull-out filter troughs; the bottom telescopic end of the electric cylinder is connected with a connecting column, and the bottom of the connecting column is fixedly connected with a blocking baffle; the blocking baffle is arranged in the valve housing.

[0005] Furthermore, two circular air inlets are symmetrically connected to the top rear side of the valve housing; the corresponding part of the bottom valve housing of the air inlet is an air inlet channel, the two air inlet channels are separated by a partition, and the front end of the air inlet channel is a filter channel; the front side of the filter channel is open, and an air outlet channel is connected to the middle of the bottom of the two filter channels, and the bottom of the air outlet channel is a circular air outlet.

[0006] Furthermore, a "convex" baffle slot is opened at the top between the air inlet channel and the filter channel of the valve housing; a stepped blocking platform is provided at the bottom of the baffle slot; the blocking baffle is arranged in the baffle slot, and mounting brackets are provided at the top and corresponding position of the blocking baffle; a central controller is fixedly installed in the middle of the top of the mounting bracket, and the central controller and the electric cylinder are electrically connected to the top of the valve housing.

[0007] Furthermore, the bottom of the electric cylinder is connected to the mounting bracket, and the bottom telescopic end of the electric cylinder is provided with a threaded connection end, which is threadedly connected to the top end surface of the connecting column; the connecting column is cylindrical, and plate-shaped fixing plates are provided on both sides of the bottom of the connecting column, and the fixing plates are connected to the top of the blocking baffle by bolts.

[0008] Furthermore, the pull-out filter trough is box-shaped, and the pull-out filter trough is arranged in the filter channel of the valve housing. An air inlet slot is opened in the front side wall of the pull-out filter trough, and an air outlet slot is opened at the bottom of the pull-out filter trough. A filter net is installed in an inclined state inside the pull-out filter trough, and two pull-out handles are symmetrically installed on the front side wall of the pull-out filter trough. The rear side wall of the pull-out filter trough is magnetically connected to the side wall between the air inlet channel and the filter channel; the air inlet slot corresponds to the connecting point between the air inlet channel and the filter channel; the bottom of the air outlet slot corresponds to the air outlet channel.

[0009] Furthermore, a cleaning port is provided at the top of the pull-out filter tank, in which a sealing plate is arranged; a sealing ring arranged in a surrounding shape on the outer wall of the sealing plate is clamped on the side wall of the cleaning port, and the bottom of the sealing plate is padded on the top of the filter screen.

[0010] The utility model provides a two-way valve for coal and gas, which has the following beneficial effects:

[0011] 1. The utility model connects two air inlets with two separate air inlet channels, and connects a filter channel at the front end of the air inlet channel to filter the gas flowing between the air inlet channel and the air outlet channel to ensure the purity of the gas. A sliding blocking baffle is provided between each air inlet channel and the air outlet channel. The two air inlet channels and the air outlet channels are controlled to be opened alternately by the blocking baffle, which can avoid gas crossover and increase the safety of gas use.

[0012] 2. The utility model sets the rear end of the pull-out filter tank to a magnetic state so as to reduce the trouble of fixing the pull-out filter tank after it is placed in the filter channel, and an inclined filter screen is provided between the rear end air inlet slot and the bottom air outlet slot of the pull-out filter tank, which can better ensure the gas flowability while reducing the possibility of clogging the filter screen, and a cleaning port is opened at the top of the pull-out filter tank, and a sealing plate is provided in the cleaning port to prevent gas leakage and facilitate cleaning of the filter screen inside the pull-out filter tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of the utility model from the right front side axis view;

[0014] Figure 2 This is a schematic diagram of the rear axial view of the utility model;

[0015] Figure 3This is a schematic diagram of the overall split structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the front axial structure of the valve housing of the utility model;

[0017] Figure 5 This is a schematic diagram of the cutaway structure of the filter channel of the utility model;

[0018] Figure 6 This is a schematic diagram of the pull-out filter tank and the sealing plate of the utility model when viewed from above;

[0019] Reference numerals:

[0020] 1. Valve housing; 101. Air inlet; 102. Mounting bracket; 103. Air inlet channel; 104. Filter channel; 105. Baffle slot; 106. Blocking platform; 107. Air outlet channel; 108. Air outlet;

[0021] 2. Pull-out filter slot; 201. Air inlet slot; 202. Cleaning port; 203. Air outlet slot; 204. Filter screen; 205. Pull-out handle;

[0022] 3. Sealing plate; 301. Sealing ring;

[0023] 4. Block the baffle;

[0024] 5. Connecting column; 501. Fixing plate;

[0025] 6. Electric cylinder; 601. Threaded connection end;

[0026] 7. Central controller. DETAILED DESCRIPTION

[0027] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples. Embodiment 1:

[0028] like Figures 1 to 6As shown, the utility model provides a two-way valve for coal gas, including a valve shell 1, two pull-out filter slots 2 are symmetrically arranged at the front end of the valve shell 1, two sealing plates 3 are arranged in the top end surface of the pull-out filter slots 2, two electric cylinders 6 are symmetrically installed on the top of the valve shell 1, the bottom telescopic end of the electric cylinder 6 is connected with a connecting column 5, the bottom of the connecting column 5 is fixedly connected with a blocking baffle 4, the blocking baffle 4 is arranged in the valve shell 1, two circular air inlets 101 are symmetrically connected to the top rear side of the valve shell 1, the bottom of the air inlet 101 corresponds to the valve shell 1 is an air inlet channel 103, the two air inlet channels 103 are blocked by a partition, the front end of the air inlet channel 103 is a filter channel 104, the front side of the filter channel 104 is open, the two filter channels 104, are connected to an air outlet channel 107 at the middle of the bottom, the bottom of the air outlet channel 107 is a circular air outlet 108, the air inlet channel 103 and A "convex" baffle slot 105 is opened at the top between the filter channels 104, and a stepped blocking platform 106 is provided at the bottom of the baffle slot 105. The blocking baffle 4 is arranged in the baffle slot 105, and a mounting bracket 102 is provided at the top and corresponding position of the blocking baffle 4. A central controller 7 is fixedly installed in the middle of the top of the mounting bracket 102, and the central controller 7 and the electric cylinder 6 are electrically connected to the top of the valve housing 1. The specific function is to connect the two air inlets 101 with two separate air inlet channels 103, and connect the filter channel 104 at the front end of the air inlet channel 103, so as to filter the coal gas flowing between the air inlet channel 103 and the air outlet channel 107 to ensure the purity of the coal gas, and a sliding blocking baffle 4 is provided between each air inlet channel 103 and the air outlet channel 107, and the two air inlet channels 103 and the air outlet channels 107 are controlled to be opened alternately by the blocking baffle 4, so as to avoid gas crossover and increase the safety of gas use.

[0029] Among them, the bottom of the electric cylinder 6 is connected to the mounting bracket 102, and the bottom telescopic end of the electric cylinder 6 is provided with a threaded connection end 601, and the threaded connection end 601 is threadedly connected to the top end face of the connecting column 5. The connecting column 5 is cylindrical, and the left and right sides of the bottom of the connecting column 5 are provided with plate-shaped fixing plates 501. The fixing plate 501 is connected to the top of the blocking baffle 4 by bolts. The specific function is to connect the threaded connection end 601 at the bottom of the electric cylinder 6 with the connecting column 5, and connect the connecting column 5 and the blocking baffle 4 by bolts, so as to improve the convenience of inspection and disassembly of the blocking baffle 4 during maintenance and reduce the difficulty of disassembly and assembly.

[0030] Among them, the pull-out filter tank 2 is box-shaped, and the pull-out filter tank 2 is arranged in the filter channel 104 of the valve housing 1. An air inlet slot 201 is opened in the front side wall of the pull-out filter tank 2, and the air inlet slot 201 corresponds to the connecting point between the air inlet channel 103 and the filter channel 104. An air outlet slot 203 is opened at the bottom of the pull-out filter tank 2, and the bottom of the air outlet slot 203 corresponds to the air outlet channel 107. The interior of the pull-out filter tank 2 is installed with a filter net 204 in an inclined shape, and two pull-out handles 205 are symmetrically installed on the front side wall of the pull-out filter tank 2. The rear side wall of the pull-out filter tank 2 is magnetically connected to the side wall between the air inlet channel 103 and the filter channel 104. A cleaning port 202 is opened at the top of the pull-out filter tank 2, and a The sealing plate 3 and the sealing ring 301 arranged in a surrounding shape on the outer wall of the sealing plate 3 are stuck on the side wall of the cleaning port 202, and the bottom of the sealing plate 3 is padded on the top of the filter screen 204. The specific function is to set the rear end of the pull-out filter tank 2 to a magnetic state so that after the pull-out filter tank 2 is placed into the filter channel 104, the trouble of fixing is reduced, and an inclined filter screen 204 is provided between the rear end air inlet slot 201 and the bottom air outlet slot 203 of the pull-out filter tank 2, which can better ensure the gas flowability while reducing the possibility of clogging the filter screen 204, and a cleaning port 202 is opened at the top of the pull-out filter tank 2, and a sealing plate 3 is provided in the cleaning port 202 to prevent gas leakage while facilitating the cleaning of the filter screen 204 inside the pull-out filter tank 2.

[0031] The specific usage and function of this embodiment: When the two-way valve for coal gas is used, the two air inlets 101 are connected to two separate air inlet channels 103, and the filter channel 104 is connected to the front end of the air inlet channel 103, so as to filter the coal gas flowing between the air inlet channel 103 and the air outlet channel 107, so as to ensure the purity of the coal gas, and a sliding blocking baffle 4 is provided between each air inlet channel 103 and the air outlet channel 107, and the blocking baffle 4 controls the two air inlet channels 103 and the air outlet channels 107 to be opened alternately, so as to avoid gas crossover and increase the safety of coal gas use. The threaded connection end 601 is connected to the connecting column 5, and the connecting column 5 and the blocking baffle 4 are connected by bolts, so as to improve the convenience of maintenance and disassembly of the blocking baffle 4 during maintenance, and ensure that the gas passes through a channel at a time. An inclined filter screen 204 is provided between the rear end air inlet slot 201 and the bottom air outlet slot 203 of the pull-out filter tank 2, which can better ensure the gas flowability while reducing the possibility of clogging the filter screen 204, and a cleaning port 202 is opened at the top of the pull-out filter tank 2. A sealing plate 3 is provided in the cleaning port 202 to prevent gas leakage and facilitate cleaning of the filter screen 204 inside the pull-out filter tank 2. Embodiment 2:

[0032] The utility model installs an external gas detection alarm on the front side of the filter channel 104 and the baffle slot 105 so as to timely discover the potential safety hazard of gas leakage and issue an early warning, thereby reducing the potential safety hazard and improving safety.

[0033] The installation, connection or setting methods of all the above components are common mechanical methods, such as welding, threaded connection, screw connection, etc., and the specific structures, models and coefficient indicators of all its components are its own technology, as long as it can achieve its beneficial effects, it can be implemented. The central controller 7 and electric cylinder 6 used above are common components on the market. When you buy them back and use them, you only need to connect them according to the instruction manual purchased together, so I will not repeat them here.

[0034] The technical solution of the present invention is not limited to the scope of the embodiments of the present invention, and the technical contents not described in detail in the present invention are all well-known technologies.

Claims

1. A two-way valve for coal and gas, comprising a valve housing (1), characterized in that: Two pull-out filter tanks (2) are symmetrically arranged at the front end of the through-valve housing (1), and two electric cylinders (6) are symmetrically installed at the top of the through-valve housing (1); two sealing plates (3) are arranged in the top end surface of the pull-out filter tank (2); the bottom telescopic end of the electric cylinder (6) is connected to a connecting column (5), and the bottom of the connecting column (5) is fixedly connected to a blocking baffle (4); the blocking baffle (4) is arranged in the through-valve housing (1).

2. The two-way valve for gas according to claim 1, characterized in that: The top rear side of the valve housing (1) is symmetrically connected to two circular air inlets (101); the corresponding part of the bottom valve housing of the air inlet (101) is an air inlet channel (103), the two air inlet channels are separated by a partition, and the front end of the air inlet channel (103) is a filter channel (104); the front side of the filter channel (104) is open, and the middle of the bottom of the two filter channels (104) is connected to an air outlet channel (107), and the bottom of the air outlet channel (107) is a circular air outlet (108).

3. The two-way valve for gas according to claim 1, characterized in that: A "convex"-shaped baffle slot (105) is provided at the top between the air inlet channel (103) and the filter channel (104) of the valve housing (1); a stepped blocking platform (106) is provided at the bottom of the baffle slot (105); the blocking baffle (4) is arranged in the baffle slot (105), and a mounting bracket (102) is provided at the top and corresponding position of the blocking baffle (4); a central controller (7) is fixedly mounted at the middle of the top of the mounting bracket (102), and the central controller (7) and the electric cylinder (6) are electrically connected to the top of the valve housing.

4. The two-way valve for coal gas according to claim 1, characterized in that: The bottom of the electric cylinder (6) is connected to the mounting bracket (102); the telescopic end of the bottom of the electric cylinder (6) is provided with a threaded connection end (601); the threaded connection end (601) is threadedly connected to the top end surface of the connecting column (5); the connecting column (5) is cylindrical; the left and right sides of the bottom of the connecting column (5) are provided with plate-shaped fixing plates (501); the fixing plates (501) are connected to the top of the blocking baffle by bolts.

5. The two-way valve for coal gas according to claim 1, characterized in that: The pull-out filter trough (2) is box-shaped and is arranged in the filter channel of the valve housing; an air inlet slot (201) is provided in the front side wall of the pull-out filter trough (2); an air outlet slot (203) is provided at the bottom of the pull-out filter trough (2); a filter screen (204) is installed in an inclined manner inside the pull-out filter trough (2); two pull-out handles (205) are symmetrically installed on the front side wall of the pull-out filter trough (2); and a rear side wall of the pull-out filter trough is magnetically connected to the side wall between the air inlet channel and the filter channel; the air inlet slot (201) corresponds to the connection between the air inlet channel (103) and the filter channel (104); and the bottom of the air outlet slot (203) corresponds to the air outlet channel.

6. The two-way valve for coal gas according to claim 1, characterized in that: A cleaning port (202) is provided at the top of the pull-out filter tank (2), and a sealing plate (3) is arranged in the cleaning port (202); a sealing ring (301) arranged in a surrounding shape on the outer wall of the sealing plate (3) is clamped on the side wall of the cleaning port, and the bottom of the sealing plate (3) is cushioned on the top of the filter screen.

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