Double-channel gas valve

Abstract

The utility model relates to a gas valve, belongs to the technical field of gas valves, and particularly relates to a double-channel gas valve which comprises a shell, a gas inlet hole is formed in the bottom end of the shell, a valve element is arranged in the gas inlet hole in a penetrating mode, a second inner cavity is formed in the shell, and gas outlet holes are formed in the left side and the right side of the shell respectively. A second inner cavity is formed in the outer shell, a flow adjusting column is arranged in the second inner cavity in a penetrating mode, the flow adjusting column is connected with a rotating column, the upper end of the outer shell is connected with an end cover, and a handle is arranged at the upper end of the rotating column. By means of connection between the flow adjusting column and the rotating column, the flow adjusting column ascends and descends along with rotation of the rotating column, the flow adjusting column ascends and descends to change the distance between the flow adjusting column and the gas outlet hole, the gas flow speed is changed by changing the size of the gas outlet hole, and the problems that in the prior art, applicability is low, and the flow speed cannot be controlled are solved.

Description

Technical Field

[0001] The utility model relates to a gas valve, belonging to the technical field of gas valves, and in particular to a dual-channel gas valve. Background Art

[0002] Gas valves are a new safety device for gas pipeline projects. They are used to cut off, connect, and regulate gas in pipelines, offering excellent control characteristics and sealing performance. They are suitable for use on pipelines carrying various fuel media, including city gas, liquefied petroleum gas, natural gas, and oxygen.

[0003] Most existing gas valves are one-way valves that can only control the delivery of gas in one pipeline and cannot meet the gas delivery requirements in multiple different situations. They are not very applicable and cannot control the flow rate of gas during the delivery process. Utility Model Content

[0004] In order to make up for the deficiencies of existing functions, the present application provides a dual-channel gas valve, which solves the problems of low applicability and inability to control flow rate in the existing technology.

[0005] In order to solve the above technical problems, the present invention provides the following technical solution: it includes an outer shell, an air inlet is provided at the bottom end of the outer shell, a valve core is passed through the air inlet, a second inner cavity is provided in the outer shell, air outlets are respectively provided on the left and right sides of the outer shell to connect to the second inner cavity, a flow regulating column is passed through the second inner cavity, a positioning column is provided in the outer shell, the flow regulating column is connected to the rotating column, the rotating column is connected to the positioning column, the upper end of the outer shell is connected to the end cover, the rotating column is passed through the end cover, and a handle is provided at the upper end of the rotating column.

[0006] Preferably, the left and right sides of the air inlet are respectively connected to the first inner cavity, the first inner cavity is located at the bottom of the shell, and the upper end of the first inner cavity is provided with a connecting hole communicating with the second inner cavity.

[0007] Preferably, a positioning boss is provided at the central upper end of the first inner cavity, a positioning column is provided at the central upper end of the positioning boss, and the positioning column is provided with a first positioning hole passing through the center thereof.

[0008] Preferably: the bottom end of the first positioning hole is connected to the valve core, the bottom end of the valve core is provided with a cylindrical valve core, the center of the top end of the cylindrical valve core is provided with a valve stem which passes through the first positioning hole, the upper end of the valve stem extends out of the first positioning hole, the top end of the valve stem is provided with a threaded joint, and the threaded joint is connected to the handle.

[0009] Preferably, an air inlet is provided at the bottom end of the cylindrical valve core, a first air outlet is provided at the cylindrical valve core running through the left and right sides of the cylindrical valve core, and a second air outlet is provided at the rear end of the cylindrical valve core.

[0010] Preferably: the upper end of the positioning boss is connected to the rotating column, the rotating column is provided with a second positioning hole running through its center, the second positioning hole is connected to the positioning column, the top of the rotating column is provided with a rotating handle, and the outer wall of the rotating column is provided with symmetrically arranged spiral grooves.

[0011] Preferably, the spiral groove is connected to a flow regulating column, the flow regulating column is provided with a column, the shape of the column corresponds to the second inner cavity, the upper end of the column is provided with a connector, and the connector is connected to the spiral groove.

[0012] One or more technical solutions provided in this application example have at least the following technologies or effects:

[0013] The utility model arranges a valve core in the air inlet hole, and the top end of the valve core is connected to a handle. By turning the handle, the valve core rotates in the air inlet hole, thereby adjusting the way in which the gas enters the second inner cavity, and the rotating column rotates. With the help of the connection between the flow regulating column and the rotating column, the flow regulating column rises and falls as the rotating column rotates. The rising and falling of the flow regulating column changes the distance between the flow regulating column and the air outlet, and the gas flow rate is changed by changing the size of the air outlet.

[0014] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and will be apparent to those skilled in the art based on the following examination and study, or can be taught from the practice of the present invention to some extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional schematic diagram of a dual-channel gas valve of the present utility model;

[0016] Figure 2 This is a schematic diagram of an explosion of a dual-channel gas valve of the utility model;

[0017] Figure 3 This is a schematic cross-sectional view of the outer shell of a dual-channel gas valve of the present invention;

[0018] Figure 4 This is a schematic cross-sectional view of a dual-channel gas valve of the present invention;

[0019] As shown in the figure:

[0020] 1. Shell;

[0021] 11. Air inlet; 12. First inner cavity; 13. Connecting hole; 14. Second inner cavity; 15. Air outlet; 16. Positioning boss; 17. Positioning column; 18. First positioning hole;

[0022] 2. End cap;

[0023] 21. Through hole;

[0024] 3. Handle;

[0025] 4. Valve core;

[0026] 41. Cylindrical valve core; 42. Valve stem; 43. Threaded joint;

[0027] 411, air inlet; 412, first air outlet; 413, second air outlet;

[0028] 5. Flow regulating column;

[0029] 51. Column; 52. Connector;

[0030] 6. Rotating column;

[0031] 61. Spiral groove; 62. Second positioning hole; 63. Rotating handle;

[0032] 7. Connecting bolts;

[0033] 8. First nut;

[0034] 9. Second nut. Specific implementation plan

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] It should be noted that the terms “vertical”, “horizontal”, “up”, “down”, “left”, “right” and similar expressions used in this document are for illustrative purposes only and do not represent the only implementation method.

[0037] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains; the terms used herein in the specification of this invention are for the purpose of describing specific embodiments only and are not intended to limit this invention; the term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0038] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4As shown, a dual-channel gas valve includes a shell 1, the upper end of the shell 1 is connected to the end cover 2 by means of a threaded connection between a plurality of connecting bolts 7 and a first nut 8, the end cover 2 is provided with a through hole 21 running through the center of its upper end, the bottom end of the shell 1 is provided with an air inlet 11, the left and right sides of the air inlet 11 are respectively connected to a first inner cavity 12, the first inner cavity 12 is located at the bottom end of the shell 1, the upper end of the first inner cavity 12 is provided with a connecting hole 13 communicating with the second inner cavity 14, the left and right sides of the shell 1 are respectively provided with an air outlet 15 connected to the second inner cavity 14, the center of the first inner cavity 12 is provided with a through hole 21, and the left and right sides of the shell 1 are provided with a through hole 21 running through the center of the first inner cavity 12. A positioning boss 16 is provided at the end, a positioning column 17 is provided at the center upper end of the positioning boss 16, and the positioning column 17 is provided with a first positioning hole 18 running through the center thereof, a valve core 4 is passed through the air inlet 11, a cylindrical valve core 41 is provided at the bottom end of the valve core 4, an air inlet 411 is provided at the bottom end of the cylindrical valve core 41, a first air outlet 412 running through the left and right sides of the cylindrical valve core 41, a second air outlet 413 is provided at the rear end of the cylindrical valve core 41, the top end of the cylindrical valve core 41 is connected to the bottom end of the first positioning hole 18, and a valve stem 42 is provided at the center of the top end of the cylindrical valve core 41. The valve stem 42 is inserted into the first positioning hole 18, and a threaded joint 43 is provided at the top of the valve stem 42. The upper end of the positioning boss 16 is connected to the rotating column 6. The rotating column 6 is provided with a second positioning hole 62 that passes through its center. A positioning column 17 is inserted into the second positioning hole 62. The rotating column 6 is inserted into the through hole 21. A rotating handle 63 is provided at the top of the rotating column 6. The rotating handle 63 is placed above the end cover 2. The outer wall of the rotating column 6 is provided with a symmetrically arranged spiral groove 61. The spiral groove 61 is connected to the flow regulating column 5. The flow regulating column is provided with a column body 51. The column 51 is arranged in the second inner cavity 14, and the shape of the column 51 corresponds to the second inner cavity 14. A connecting head 52 is provided at the upper end of the column 51, and the connecting head 52 is connected to the spiral groove 61. The top of the rotating column 6 extends out of the through hole 21, and the top of the positioning column 17 extends out of the second positioning hole 62. The top of the threaded joint 43 extends out of the first positioning hole 18, and the top of the second positioning hole 62 is connected to the handle 3. The handle 3 is connected to the threaded joint 43 by means of its own threaded hole. The upper end of the handle 3 is connected to the second nut 9, and the second nut 9 is connected to the threaded joint 43 by means of a threaded connection.

[0039] In this embodiment, with the help of the connection between the handle 3 and the threaded joint 43, the handle 3 is rotated to rotate the valve core 4, so that the first air outlet 412 is connected to the first inner cavity 12. At this time, the second air outlet 413 is connected to the outer wall of the air inlet 11. The handle 3 is rotated again to make the second air outlet 413 connected to the first inner cavity 12 on the left and right sides respectively. At this time, the first air outlet 412 is connected to the outer wall of the air inlet 11. The rotating column 6 is rotated, and with the help of the connection between the connecting head 52 and the spiral groove 61, under the limiting action between the column 51 and the second inner cavity 14, the rotation of the rotating column 6 drives the flow regulating column 5 to rise and fall. The column 51 adjusts the cross-sectional area of the gas when it passes through the air outlet 15 by adjusting the distance between its own bottom end and the bottom end of the air outlet 15, thereby achieving the effect of adjusting the flow rate.

[0040] During use, when it is necessary to supply gas to the left and right pipes, turn the handle 3, and the rotation of the handle 3 drives the valve core 4 to rotate, so that the first air outlet 412 is connected to the left and right first inner chambers 12. When it is necessary to supply gas to only one of the pipes, turn the handle 3 to connect the second air outlet 413 to the first inner chamber 12 that needs to be worked. At this time, turn the rotating handle 63, and the rotation of the rotating handle 63 drives the rotating column 6 to rotate. The rotation of the rotating column 6 drives the flow regulating column 5 to rise and fall, thereby adjusting the gas delivery speed. When it is to be closed, the rotating handle 63 is rotated to drive the flow regulating column 5 to descend until the flow regulating column 5 completely covers the air outlet 15.

[0041] Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Anyone familiar with this technology may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention should be based on the definition of the claims.

Claims

1. A dual-channel gas valve, comprising a housing (1), characterized in that: The bottom end of the shell (1) is provided with an air inlet (11), a valve core (4) is passed through the air inlet (11), a second inner cavity (14) is provided in the shell (1), air outlet holes (15) are respectively provided on the left and right sides of the shell (1) to connect to the second inner cavity (14), a flow regulating column (5) is passed through the second inner cavity (14), a positioning column (17) is provided in the shell (1), the flow regulating column (5) is connected to the rotating column (6), the rotating column (6) is connected to the positioning column (17), the upper end of the shell (1) is connected to the end cover (2), the rotating column (6) is passed through the end cover (2), and a handle (3) is provided at the upper end of the rotating column (6).

2. A dual-channel gas valve according to claim 1, characterized in that: The left and right sides of the air inlet (11) are respectively connected to the first inner cavity (12); the first inner cavity (12) is placed at the bottom end of the shell (1); and the upper end of the first inner cavity (12) is provided with a connecting hole (13) communicating with the second inner cavity (14).

3. A dual-channel gas valve according to claim 2, characterized in that: A positioning boss (16) is provided at the central upper end of the first inner cavity (12), a positioning column (17) is provided at the central upper end of the positioning boss (16), and the positioning column (17) is provided with a first positioning hole (18) running through the center thereof.

4. A dual-channel gas valve according to claim 3, characterized in that: The bottom end of the first positioning hole (18) is connected to the valve core (4), and a cylindrical valve core (41) is provided at the bottom end of the valve core (4). A valve stem (42) is provided at the center of the top end of the cylindrical valve core (41) and is inserted into the first positioning hole (18). The upper end of the valve stem (42) extends out of the first positioning hole (18), and a threaded joint (43) is provided at the top end of the valve stem (42). The threaded joint (43) is connected to the handle (3).

5. A dual-channel gas valve according to claim 4, characterized in that: The bottom end of the cylindrical valve core (41) is provided with an air inlet (411), the cylindrical valve core (41) is provided with a first air outlet (412) running through the left and right sides of the cylindrical valve core (41), and the rear end of the cylindrical valve core (41) is provided with a second air outlet (413).

6. The dual-channel gas valve according to claim 3, characterized in that: The upper end of the positioning boss (16) is connected to the rotating column (6), the rotating column (6) is provided with a second positioning hole (62) running through the center thereof, the second positioning hole (62) is connected to the positioning column (17), the top end of the rotating column (6) is provided with a rotating handle (63), and the outer wall of the rotating column (6) is provided with symmetrically arranged spiral grooves (61).

7. A dual-channel gas valve according to claim 6, characterized in that: The spiral groove (61) is connected to the flow regulating column (5), and the flow regulating column is provided with a column (51), the shape of the column (51) corresponds to the second inner cavity (14), and the upper end of the column (51) is provided with a connector (52), and the connector (52) is connected to the spiral groove (61).

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