Automatic valve of liquid level meter

Abstract

The utility model provides a liquidometer automatic valve which comprises a valve body, a plunger elastically arranged in the valve body and a flow guide rod controlling the plunger to move, the valve body comprises a first cavity and a second cavity which are integrally communicated, one side of the valve body is provided with a butt joint pipe head communicated with the second cavity, and the valve body is connected with a liquid display pipe through the butt joint pipe head. The plunger is elastically arranged in the valve body, the flow guide rod abuts against one side of the plunger, the flow guide rod is pushed by elastic force, the stability of thread installation can be improved, and random shaking is avoided; the flow guide rod rotates to gradually drive the plunger to move, so that the positions of the third flow guide hole and the flow guide groove are adjusted to control the flow speed of liquid, and when the plunger abuts against the step part through the O-shaped ring, the first cavity and the second cavity are closed. The flow guide rod can be directly rotated to be separated from the valve body, so that the interior of the valve body is cleaned conveniently, and personnel overhaul and replacement are facilitated.

Description

Technical Field

[0001] This utility model relates to the field of liquid level gauge technology, specifically to an automatic liquid level gauge valve. Background Technology

[0002] The level gauge is used to display the liquid level in the tank. The level gauge is connected to the tank via valves at both ends, which control the fluid flow within the gauge. Existing valves are susceptible to malfunction due to mechanical vibration or liquid fluctuations, affecting the fluid flow state and rate, leading to inaccurate level readings. Furthermore, the valves require regular maintenance and cleaning of internal blockages. Currently, the level gauge needs to be disassembled for cleaning, which is cumbersome and reduces work efficiency. Utility Model Content

[0003] The technical problem solved by this utility model is to provide an automatic level gauge valve that is easy to disassemble and install and can stably control the flow rate, so as to solve the problems mentioned in the background art.

[0004] The technical problem solved by this utility model is achieved by the following technical solution: an automatic valve for a liquid level gauge, including a valve body, a plunger elastically disposed in the valve body, and a guide rod for controlling the movement of the plunger. The valve body includes an integrally connected first chamber and a second chamber. A connecting pipe end is provided on one side of the valve body to communicate with the second chamber, so as to connect with a liquid display tube through the connecting pipe end.

[0005] A stepped portion is provided between the first chamber and the second chamber. A plunger is elastically installed in the first chamber. An O-ring is provided on one side of the plunger corresponding to the stepped portion, which can be movably abutted against the stepped portion for sealing. The front end of the guide rod is spirally installed in the second chamber, and the inner end of the guide rod abuts against the outer end of the plunger to control the movement of the plunger. A conductive guide channel is provided between the plunger and the guide rod, which can be used to connect the first chamber and the second chamber.

[0006] As a further embodiment of this utility model:

[0007] A flange plate is installed at the outer end of the valve body in the second chamber to connect it to the tank. One side of the flange plate is inserted into the valve body through a connecting pipe and is threadedly connected to the valve body.

[0008] As a further embodiment of this utility model:

[0009] A spring is provided on the side of the plunger facing the flange plate. One end of the spring abuts against the plunger, and the other end abuts against the outer end of the connecting pipe through a gasket, so as to push the plunger to move elastically.

[0010] As a further embodiment of this utility model:

[0011] The plunger includes a plunger plate and a plunger tube disposed on one side of the plunger plate, and a column block disposed on the side of the plunger plate away from the plunger tube. The spring is sleeved on the outer end of the column block to limit the spring. An O-ring is sleeved on the outer end of the plunger tube and abuts against one side of the plunger plate so that it abuts against the stepped portion, disconnecting the first chamber and the second chamber. The outer side of the plunger tube is inserted into the second chamber and abuts against the outer end of the guide rod.

[0012] As a further embodiment of this utility model:

[0013] The flow channel includes a first flow hole installed on the axis of the plug tube and a second flow hole set on the axis of the flow rod. The plug tube has a third flow hole on both sides of the first flow hole that communicates with the first chamber. The third flow hole is perpendicular to the direction of the first flow hole. The outer end of the first flow hole communicates with the second flow hole. The flow rod has a fourth flow hole at a corresponding position that communicates with the second flow hole. The flow rod has an annular flow groove at the fourth flow hole to facilitate the introduction of liquid into the connector.

[0014] As a further embodiment of this utility model:

[0015] The outer end of the guide rod is provided with a baffle, and the outer end of the baffle is integrally provided with a knob that is easy for personnel to rotate to control the rotation and movement of the guide rod.

[0016] As a further embodiment of this utility model:

[0017] The housing has annular grooves on both sides of the second chamber, and a sealing ring is installed in the annular groove. The sealing ring is attached to the outer end of the guide rod to prevent liquid leakage and improve sealing performance.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows: the plunger is elastically set in the valve body, and the guide rod abuts against one side of the plunger. The guide rod is pushed by elastic force, which can improve the stability of the threaded installation and avoid random shaking; the rotation of the guide rod can gradually drive the plunger to move, thereby adjusting the position of the third guide hole and the guide groove to control the liquid flow rate. When the plunger abuts against the step part through the O-ring, the first chamber and the second chamber are closed. The guide rod can be directly rotated out of the valve body to facilitate cleaning of the inside of the valve body and to facilitate personnel maintenance and replacement. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 2 This is a partial cross-sectional view of the present invention.

[0021] Figure 3 This is a schematic diagram of the plunger installation structure of this utility model;

[0022] The diagram shows the following components: 1. Valve body; 2. Piston; 3. Guide rod; 4. Flange plate; 5. Spring; 11. First chamber; 12. Second chamber; 13. Connecting pipe; 14. Stepped section; 15. Sealing ring; 21. O-ring; 22. Plug plate; 23. Plug tube; 24. Column block; 25. First guide hole; 26. Third guide hole; 31. Second guide hole; 32. Fourth guide hole; 33. Guide groove; 34. Baffle; 35. Knob; 41. Connecting pipe; 51. Gasket. Detailed Implementation

[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below with reference to specific illustrations.

[0024] like Figures 1-3 As shown,

[0025] This embodiment provides an automatic valve for a level gauge, including a valve body 1, a plunger 2 elastically disposed in the valve body 1, and a guide rod 3 for controlling the movement of the plunger 2. The valve body 1 includes an integrally connected first chamber 11 and a second chamber 12. A connecting pipe 13 communicating with the second chamber 12 is provided on one side of the valve body 1 so as to connect with a liquid display tube through the connecting pipe 13.

[0026] A step portion 14 is provided between the first chamber 11 and the second chamber 12. The plunger 2 is elastically installed in the first chamber 11. An O-ring 21 is provided on one side of the plunger 2 corresponding to the step portion 14, which can be movably abutted against the step portion 14 for sealing. The front end of the guide rod 3 is spirally installed in the second chamber 12, and the inner end of the guide rod 3 abuts against the outer end of the plunger 2 to control the movement of the plunger 2. A flow channel is provided between the plunger 2 and the guide rod 3, which can be used to connect the first chamber 11 and the second chamber 12.

[0027] In this embodiment, a flange plate 4 is installed at the outer end of the valve body 1 located in the second chamber 12 to connect with the tank body. One side of the flange plate 4 is inserted into the valve body 1 through a connecting pipe 41 and is threadedly connected to the valve body 1.

[0028] A spring 5 is provided on the side of the plunger 2 facing the flange plate 4. One end of the spring 5 abuts against the plunger 2, and the other end abuts against the outer end of the connecting pipe 41 through a gasket 51, so as to push the plunger 2 to move elastically.

[0029] The plunger 2 includes a plunger plate 22 and a plunger tube 23 disposed on one side of the plunger plate 22, and a column block 24 disposed on the side of the plunger plate 22 away from the plunger tube 23. The spring 5 is sleeved on the outer end of the column block 24 to limit the spring 5. The O-ring 21 is sleeved on the outer end of the plunger tube 23 and abuts against one side of the plunger plate 22 so that it abuts against the step portion 14 through the O-ring 21 to disconnect the first chamber 11 and the second chamber 12. The outer side of the plunger tube 23 is inserted into the second chamber 12 and abuts against the outer end of the guide rod 3.

[0030] In this embodiment, the flow channel includes a first flow hole 25 installed on the axis of the plug tube 23 and a second flow hole 31 installed on the axis of the flow rod 3. The plug tube 23 is provided with a third flow hole 26 on both sides of the first flow hole 25, which communicates with the first chamber 11. The third flow hole 26 is perpendicular to the direction of the first flow hole 25. The outer end of the first flow hole communicates with the second flow hole 31. The flow rod 3 is provided with a fourth flow hole 32 at the corresponding position, which communicates with the second flow hole 31. The flow rod 3 is provided with an annular flow groove 33 at the fourth flow hole 32 to facilitate the introduction of liquid into the connecting pipe 13.

[0031] In this embodiment, the outer end of the guide rod 3 is provided with a baffle 34, and the outer end of the baffle 34 is integrally provided with a knob 35 that is easy for personnel to rotate, so as to control the rotation and movement of the guide rod 3.

[0032] The housing has annular grooves on both sides of the second chamber 12. A sealing ring 15 is installed in the annular groove and is attached to the outer end of the guide rod 3 to prevent liquid leakage and improve sealing performance.

[0033] The working principle of this utility model is as follows: the plunger 2 is pushed by the spring 5 to move into the second chamber 12. The guide rod 3 is threaded in the second chamber 12 and abuts against one side of the plunger 2. The operator can rotate the guide rod 3 to control its back-and-forth movement, thereby controlling the movement of the plunger 2. When the plunger 2 abuts against the step portion 14 through the O-ring 21, the first chamber 11 and the second chamber 12 are closed. When the guide rod 3 pushes the plunger 2 to squeeze the spring 5, causing the O-ring 21 to move away from the step portion 14, the flow rate can be gradually controlled. The liquid is introduced into the first chamber 11 through the connecting pipe 41, passes around the stopper plate 22, enters the first guide hole 25 through the third guide hole 26, flows along the second guide hole 31 from the fourth guide hole 32, and flows into the connecting pipe head 13 through the guide groove 33, thus achieving a stable fluid supply.

[0034] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents. It should be noted that, in this document, the use of relational terms such as "first" and "second" is merely used to distinguish one entity or operation from another, and does not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. In the absence of further restrictions, an element defined by the phrase "comprising a..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. An automatic valve for a liquid level gauge, characterized in that: The valve body includes a valve body, a plunger elastically disposed within the valve body, and a guide rod for controlling the movement of the plunger. The valve body includes an integrally connected first chamber and a second chamber, and a connecting pipe end on one side of the valve body is provided to communicate with the second chamber, so as to connect to a liquid display tube through the connecting pipe end. A step is provided between the first chamber and the second chamber. The plunger is elastically installed in the first chamber. An O-ring is provided on one side of the plunger corresponding to the step, which can be movably abutted against the step for sealing. The front end of the guide rod is spirally installed in the second chamber, and the inner end of the guide rod abuts against the outer end of the plunger. A conductive guide channel is provided between the plunger and the guide rod.

2. The automatic level gauge valve according to claim 1, characterized in that: A flange plate is installed at the outer end of the valve body in the second chamber to connect it to the tank. One side of the flange plate is inserted into the valve body through a connecting pipe and is threadedly connected to the valve body.

3. The automatic level gauge valve according to claim 2, characterized in that: A spring is provided on the side of the plunger facing the flange plate. One end of the spring abuts against the plunger, and the other end abuts against the outer end of the connecting pipe through a gasket, so as to push the plunger to move elastically.

4. The automatic level gauge valve according to claim 3, characterized in that: The plunger includes a plunger plate and a plunger tube disposed on one side of the plunger plate, and a column block disposed on the side of the plunger plate away from the plunger tube. The spring is sleeved on the outer end of the column block to limit the spring. An O-ring is sleeved on the outer end of the plunger tube and abuts against one side of the plunger plate so that it abuts against the stepped portion, disconnecting the first chamber and the second chamber. The outer side of the plunger tube is inserted into the second chamber and abuts against the outer end of the guide rod.

5. The automatic level gauge valve according to claim 4, characterized in that: The flow channel includes a first flow hole installed on the axis of the plug tube and a second flow hole set on the axis of the flow rod. The plug tube has a third flow hole on both sides of the first flow hole that communicates with the first chamber. The third flow hole is perpendicular to the direction of the first flow hole. The outer end of the first flow hole communicates with the second flow hole. The flow rod has a fourth flow hole at a corresponding position that communicates with the second flow hole. The flow rod has an annular flow groove at the fourth flow hole to facilitate the introduction of liquid into the connector.

6. The automatic level gauge valve according to claim 5, characterized in that: The outer end of the guide rod is provided with a baffle, and the outer end of the baffle is integrally provided with a knob that is easy for people to rotate.

7. The automatic level gauge valve according to claim 5, characterized in that: The valve body has annular grooves on both sides of the second chamber, and a sealing ring is installed in the annular groove. The sealing ring is attached to the outer end of the guide rod.

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