Pneumatic distributor

Abstract

The utility model discloses a pneumatic distributor, which relates to the technical field of distributors, comprises a gas control end, a liquid control end and an adjusting end, and is characterized in that the liquid control end comprises a body, and the body is provided with a first passage, a second passage, a third passage, a communicating groove and a liquid discharging groove; the body is provided with a liquid inlet cavity far away from the opening end of the first passage, and the liquid inlet cavity is connected with the second passage through a communicating groove; the body is provided with a liquid discharge groove at the end far away from the opening of the liquid discharge groove; inner cavities of the first passage, the second passage, the liquid inlet cavity, the communicating groove, the third passage, the liquid discharge cavity and the liquid discharge groove are communicated; the adjusting end comprises valve elements, the valve elements are located in inner cavities of the liquid inlet cavity and the liquid outlet cavity correspondingly, the valve elements are used for blocking the communicating groove and the liquid outlet groove, the valve elements are slidably connected with the body, and the sliding directions of the two valve elements are opposite; the gas control end is used for controlling sliding of the valve element. The valve body is reasonable in design structure, and opening and closing of a passage of the valve body can be rapidly controlled through compressed air.

Description

Technical Field

[0001] This utility model relates to the technical field of distributors, specifically a pneumatic distributor. Background Technology

[0002] Distributors play an important role in modern industry, mainly used in pneumatic systems, various hydraulic presses, oil presses, water descaling and its control systems, and transmission systems. They are used to precisely distribute and regulate the flow direction, pressure, and flow rate of compressed air, and have the advantages of energy saving, ease of use, and simple maintenance.

[0003] In the existing technology, the original electromagnet is mainly used for control, which uses 380V voltage to control the changes in the path within the distributor.

[0004] According to existing technologies, the use of electromagnets has the disadvantages of high energy consumption, high noise, easy damage, and difficulty in maintenance, which is not conducive to long-term use and thus increases the cost of use. Utility Model Content

[0005] 1) Technical problems to be solved

[0006] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a pneumatic distributor.

[0007] (ii) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a pneumatic distributor, comprising a gas control end, a liquid control end, and an adjustment end, characterized in that: the liquid control end comprises: a body, the body being provided with a first passage, a second passage, a third passage, a connecting groove, and a drain groove;

[0009] The main body has a liquid inlet chamber at the end of the first passage away from the opening, and the liquid inlet chamber is connected to the second passage through the connecting groove;

[0010] The main body has a drainage chamber at the end of the drainage tank away from the opening;

[0011] The inner cavities of the first passage, the second passage, the inlet chamber, the connecting groove, the third passage, the outlet chamber, and the outlet groove are connected;

[0012] The adjusting end includes a valve core, which is located in the inner cavity of the liquid inlet chamber and the liquid outlet chamber respectively. The valve core is used to block the connecting groove and the liquid outlet groove. The valve core is slidably connected to the body, and the sliding directions of the two valve cores are opposite.

[0013] The gas control terminal is used to control the sliding of the valve core.

[0014] Furthermore, the adjustment end includes a support base, the outer shell of which is fixedly connected to the main body;

[0015] A connecting rod is installed on the rotating part of the support base and connected to the rotating part of the support base;

[0016] The two valve cores are located on both sides of the rotating part of the support base, and the valve cores are fixedly connected to the connecting rod.

[0017] Furthermore, the first passage is located above the second passage.

[0018] Furthermore, the third passage is inclined, and the end of the third passage that communicates with the drainage chamber is located above the end that communicates with the second passage.

[0019] Furthermore, the gas control terminal includes:

[0020] An air valve, wherein the air inlet end of the air valve is connected to compressed air;

[0021] The cylinder has an outlet end connected to it and is used to control the cylinder output end to slide along the outer casing. The cylinder output end and the connecting rod are rotatably connected.

[0022] Furthermore, each valve core is equipped with a support rod, one end of which passes through the body and connects to the valve core, and the other end is rotatably connected to the connecting rod.

[0023] (iii) Beneficial effects:

[0024] Compared with existing technologies, this pneumatic distributor has the following advantages:

[0025] I. This utility model, by setting a pneumatic control end, controls the sliding direction of the relevant components of the adjustment end, thereby adjusting the liquid flow in the liquid control end and ensuring the direction of liquid flow.

[0026] Second, this utility model further reduces costs by using compressed air as a gas source. It is noiseless, consumes very little energy, is not easily damaged, is easy to replace, occupies little space, and is suitable for use in more equipment. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall cross-sectional structure of this utility model;

[0028] In the diagram: 1. Pneumatic control end; 11. Air valve; 12. Air inlet pipe; 13. Air outlet pipe; 14. Cylinder; 2. Liquid control end; 21. Body; 22. First passage; 23. Second passage; 24. Liquid inlet chamber; 25. Connecting groove; 26. Third passage; 27. Liquid outlet chamber; 28. Liquid outlet groove; 29. ​​First adjusting groove; 20. Second adjusting groove; 3. Adjusting end; 31. Support base; 32. Connecting rod; 321. Spring; 33. Adjusting component; 331. Valve core; 332. Support rod; 333. Connecting piece. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] like Figure 1 As shown, this utility model provides a technical solution: a pneumatic distributor, including a pneumatic control end 1, a liquid control end 2, and an adjustment end 3.

[0031] Reference Figure 1 The pneumatic control unit 1 includes an air valve 11, which has an inlet end and an outlet end. There are two outlet ends. The air valve 11 is equipped with an inlet pipe 12 and an outlet pipe 13. The two ends of the inlet pipe 12 are conveniently connected to the inlet end of the air valve 11 and the relevant outlet port of the air source, allowing the inlet end of the air valve 11 to connect to the air source, which is compressed air. The inner cavities of the inlet end and the outlet end are connected. In this design, the operator can control the opening and closing of the air valve 11 by controlling the air flow rate. Each outlet end is equipped with an outlet pipe 13.

[0032] Referring to the figure, valve 11 is preferably a two-position five-way solenoid valve.

[0033] Reference Figure 1 The pneumatic control terminal 1 also includes a cylinder 14, which has an air inlet and an air outlet, and is connected to two air outlet pipes 13 installed at the air outlet end of the air valve 11.

[0034] Reference Figure 1 The liquid control terminal 2 includes a body 21. In this embodiment, the body 21 is preferably a rectangular valve. The side wall of the body 21 is provided with a first passage 22 and a second passage 23. The first passage 22 and the second passage 23 are both horizontally arranged and arranged in sequence along the vertical direction. The first passage 22 is connected to the high-pressure liquid and the second passage 23 is connected to the control terminal.

[0035] Reference Figure 1 The first passage 22 has an inlet chamber 24 at the end away from the opening. The body 21 has a connecting groove 25 at the bottom of the inlet chamber 24 in a vertical direction. The connecting groove 25 is vertically arranged, and the two ends of the connecting groove 25 are respectively connected to the inlet chamber 24 and the second passage 23.

[0036] Reference Figure 1 The main body 21 has a third passage 26 in the section of the second passage 23 away from the opening. In this embodiment, the third passage 26 is inclined. In this embodiment, the inclination direction of the third passage 26 is upward along the direction away from the opening of the second passage 23.

[0037] Reference Figure 1 The main body 21 has a drainage chamber 27 at the end of the third passage 26 away from the second passage 23, and the interior of the drainage chamber 27 is connected to the interior of the second passage 23.

[0038] Reference Figure 1 The body 21 has a drainage groove 28 at the bottom of the drainage chamber 27. In this embodiment, the drainage groove 28 is preferably an L-shaped groove, and the output end of the drainage groove 28 is connected to the liquid discharge area.

[0039] Reference Figure 1 The main body 21 is provided with a first adjustment groove 29 at the bottom of the connecting groove 25, and the first adjustment groove 29 and the connecting groove 25 are coaxially arranged; the main body 21 is provided with a second adjustment groove 20 at the bottom of the vertical section of the draining groove 28, and the second adjustment groove 20 and the vertical section of the draining groove 28 are coaxially arranged.

[0040] Reference Figure 1 The adjusting end 3 includes a support base 31 and a connecting rod 32. The support base 31 is located between the distance between the line connecting the first adjusting groove 29 and the second adjusting groove 20, and is located at the midpoint of the line connecting the first adjusting groove 29 and the second adjusting groove 20. The support base 31 is fixedly connected to the body 21 by screws. In this embodiment, the end of the support base 31 away from the body 21 is provided with a rotating part, and the rotation axis of the rotating part is horizontal. One end of the connecting rod 32 is rotatably connected to the output end of the cylinder 14 through a hinge seat, and the other end passes through the rotating part of the support base 31 and is rotatably connected to the support base 31. In this embodiment, the rotation axes of the connecting rod 32, the cylinder 14, and the support base 31 are all set horizontally.

[0041] Referring to the figure, in this embodiment, a hinge seat is provided in the middle of the connecting rod 32, and both ends of the connecting rod 32 are rotatably connected to the hinge seat. The hinge seat is used to compensate for the vertical displacement between the two ends of the connecting rod.

[0042] Reference Figure 1 A spring is provided on the side of the connecting rod 32 near the cylinder 14.

[0043] Reference Figure 1 The adjustment end 3 also includes two adjustment components 33. The inlet chamber 24 and the outlet chamber 27 are each provided with an adjustment component 33. The adjustment component 33 includes a valve core 331 and a support rod 332. In this embodiment, the valve core 331 is preferably a conical block. The valve core 331 is vertically arranged and the tip of the valve core 331 points downward. The valve core 331 can close the first adjustment groove 29 and the second adjustment groove 20. The support rod 332 is located in the inner cavity of the first adjustment groove 29 and / or the second adjustment groove 20. The adjustment groove is vertically arranged and slidably connected to the body 21.

[0044] Reference Figure 1 The adjustment component 33 also includes a connector 333. In this embodiment, the connector 333 is preferably a hinged seat. The rotating part of the connector 333 is rotatably connected to the support rod 332, and the fixing part of the connector 333 is fixedly connected to the connecting rod 32 by means of screws.

[0045] Reference Figure 1 The surface material of the valve core 331 is preferably an elastic material, and in this embodiment, it is preferably a rubber material.

[0046] The operating principle of a pneumatic distributor is as follows: the operator injects compressed air into the air valve 11 through the air inlet pipe, and then controls the output end of the cylinder 14 to slide along the outer shell of the cylinder 14 through the air valve 11. In turn, the output end of the cylinder 14 drives the connecting rod 32 to rotate along the body 21 through the support seat 31, thereby driving the valve core 331 to slide within the body 21, completing the sealing of the liquid inlet chamber 24 and the liquid outlet chamber 27, and completing the opening or closing of the valve body.

Claims

1. A pneumatic dispenser comprising a gas control end, a liquid control end (2) and a regulation end (3), characterized in that: The liquid control terminal (2) includes: a body (21), which is provided with a first passage (22), a second passage (23), a third passage (26), a connecting groove (25), and a drain groove (28); The main body (21) has a liquid inlet chamber (24) at the end of the first passage (22) away from the opening. The liquid inlet chamber (24) is connected to the second passage (23) through the connecting groove (25). The main body (21) has a drainage chamber (27) at the end of the drainage tank (28) away from the opening; The inner cavities of the first passage (22), the second passage (23), the liquid inlet chamber (24), the connecting groove (25), the third passage (26), the liquid outlet chamber (27), and the liquid outlet groove (28) are connected; The adjusting end (3) includes a valve core (331), which is located in the inner cavity of the liquid inlet chamber (24) and the liquid outlet chamber (27), respectively. The valve core (331) is used to block the connecting groove (25) and the liquid outlet groove (28). The valve core (331) is slidably connected to the body (21), and the sliding directions of the two valve cores (331) are opposite. The gas control terminal is used to control the sliding of the valve core (331).

2. A gas dispenser as claimed in claim 1, wherein: The adjustment end (3) includes: a support base (31), the outer shell of the support base (31) being fixedly connected to the body (21); A connecting rod (32) is installed on the rotating part of the support base (31) and connected to the rotating part of the support base (31); The two valve cores (331) are located on both sides of the rotating part of the support base (31), and the valve cores (331) are fixedly connected to the connecting rod (32).

3. A gas dispenser as claimed in claim 1, wherein: The first passage (22) is located above the second passage (23).

4. A gas dispenser as claimed in claim 1, wherein: The third passage (26) is inclined, and the end of the third passage (26) that communicates with the drainage chamber (27) is located above the end that communicates with the second passage (23).

5. A gas dispenser as claimed in claim 2, wherein: The gas control terminal includes: Air valve (11), the air inlet end of which is connected to compressed air; The cylinder (14) is connected to the outlet end of the air valve (11) and is used to control the output end of the cylinder (14) to slide along the outer shell. The output end of the cylinder (14) is rotatably connected to the connecting rod (32).

6. A gas dispenser as claimed in claim 2, wherein: Each valve core (331) is equipped with a support rod (332), one end of which passes through the body (21) and is connected to the valve core (331), and the other end is rotatably connected to the connecting rod (32).

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