Liquid injection component for filling low-viscosity liquid

Abstract

The utility model provides a liquid injection component for filling low-viscosity liquid. The liquid injection component comprises a body, the pipe joint is fixedly installed on one side of the surface of the pipe joint, the bottom of the body is fixedly connected with a backflow pipe seat, a backflow pipe is arranged on one side in the backflow pipe seat, a first sealing ring is arranged on the outer surface of the backflow pipe, and a first sleeve is arranged on one side of the outer surface of the backflow pipe. According to the liquid injection component for filling the low-viscosity liquid, the switch valve rod shaft is turned on, the bottle jacks the liquid level adjusting block, the return pipe compresses the spring, the pipe opening of the feeding pipe is opened, the liquid flows out, and gas and redundant liquid are pumped out of the return pipe, so that the gas and the redundant liquid in the return pipe are completely pumped out, and the liquid injection component is simple in structure and convenient to operate. The liquid injection component for filling the low-viscosity liquid is simple in structure and high in practicability, the problem that the liquid injection component for filling the low-viscosity liquid is poor in practicability is solved, in the operation process, the backflow effect of the liquid in the pipeline is excellent, and the backflow effect of gas and redundant liquid is improved.

Description

Technical Field

[0001] The utility model relates to the field of liquid filling and injection, in particular to a liquid injection component for low-viscosity liquid filling. Background Art

[0002] The injection parts for low-viscosity liquid filling are usually made of corrosion-resistant materials, such as stainless steel, to ensure that they are not corroded when in long-term contact with the liquid. They must have high precision to ensure accurate filling volume. Reasonable flow channel design can make the liquid flow smoothly, avoid blockage and residue, and good sealing can prevent liquid leakage, and can withstand frequent use and certain wear.

[0003] In practical applications, the selection of injection components should be based on a comprehensive consideration of factors such as the specific properties of the low-viscosity liquid (such as chemical corrosiveness, whether it is easy to volatilize, etc.), filling speed requirements, filling accuracy requirements, etc., to ensure that it can meet production needs. However, the existing injection components for low-viscosity liquid filling have poor practicality. During operation, liquid is likely to remain inside the pipeline, and the reflux effect of gas and excess liquid is poor.

[0004] Therefore, it is necessary to provide a liquid injection component for filling low-viscosity liquids to solve the above-mentioned technical problems. Utility Model Content

[0005] The utility model provides a liquid injection component for filling low-viscosity liquids, which solves the problems that the existing liquid injection components for filling low-viscosity liquids are poor in practicality, liquid is easily left inside the pipeline during operation, and the reflux effect of gas and excess liquid is poor.

[0006] In order to solve the above technical problems, the utility model provides a liquid injection component for low-viscosity liquid filling, comprising: a body;

[0007] A pipe joint, wherein the pipe joint is fixedly mounted on one side of the pipe joint surface, a return pipe seat is fixedly connected to the bottom of the body, a return pipe is arranged on one side inside the return pipe seat, a first sealing ring is arranged on the outer surface of the return pipe, a first sleeve is arranged on one side of the outer surface of the return pipe, and a second sleeve is arranged on the other side of the outer surface of the return pipe;

[0008] A feed pipe is arranged inside the reflux pipe, and a liquid level adjustment block is arranged at the bottom of the reflux pipe.

[0009] Preferably, a liner block is provided on the top of the main body, a third anti-leakage pad is provided on the outer surface of the liner block, and a first O-ring is provided on the bottom of the liner block.

[0010] Preferably, a second fixed pad is provided on one side of the outer surface of the feed pipe, a control sphere is provided at the bottom of the second fixed pad, and a first fixed pad is provided at the bottom of the control sphere.

[0011] Preferably, a second anti-leakage pad is fixedly installed on the top of the return pipe seat, and a thrust block is provided on one side of the return pipe seat.

[0012] Preferably, a fixing flange is fixedly mounted on one side of the outer surface of the body by bolts, and a switch valve stem shaft is provided on one side of the fixing flange.

[0013] Preferably, a spring pin is provided on one side of the switch valve stem shaft.

[0014] Preferably, a gasket is provided on the inner surface of the pipe joint.

[0015] Compared with the related art, the low-viscosity liquid filling component provided by the utility model has the following beneficial effects:

[0016] The utility model provides a liquid injection component for filling low-viscosity liquids. By opening the switch valve stem shaft, the bottle pushes open the liquid level adjustment block, the reflux pipe compresses the spring, the pipe mouth of the feed pipe is opened, the liquid flows out, and the gas and excess liquid are extracted from the reflux pipe, so that the gas and excess liquid inside the reflux pipe are completely extracted. The device has a simple structure and strong practicality, and solves the problem of poor practicality of the liquid injection component for filling low-viscosity liquids. During operation, the liquid has an excellent reflux effect inside the pipeline, which improves the reflux effect of the gas and excess liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the structure of a liquid injection component for filling low-viscosity liquids provided by the utility model;

[0018] Figure 2 for Figure 1 Schematic diagram of the switch valve stem shaft structure shown.

[0019] Numbers in the figure: 1. body, 2. pipe joint, 3. reflux pipe seat, 4. first sealing ring, 5. first sleeve, 6. second sleeve, 7. spring, 8. reflux pipe, 9. liquid level adjustment block, 10. feed pipe, 11. thrust block, 12. first leak-proof pad, 13. gasket, 14. second leak-proof pad, 15. first fixed pad, 16. control ball, 17. second fixed pad, 18. pad, 19. third leak-proof pad, 20. first O-ring, 21. second O-ring, 22. first liner, 24. spring pin, 25. switch valve stem shaft, 26. second liner, 27. fixed flange. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0021] Please refer to Figure 1 and Figure 2 ,in, Figure 1 A schematic diagram of the structure of a liquid injection component for filling low-viscosity liquids provided by the utility model; Figure 2 for Figure 1 The schematic diagram of the switch valve stem shaft structure is shown. The liquid injection component for filling low-viscosity liquids comprises: a body 1;

[0022] A pipe joint 2, wherein the pipe joint 2 is fixedly installed on one side of the surface of the pipe joint 2, a return pipe seat 3 is fixedly connected to the bottom of the body 1, a return pipe 8 is arranged on one side inside the return pipe seat 3, a first sealing ring 4 is arranged on the outer surface of the return pipe 8, a first sleeve 5 is arranged on one side of the outer surface of the return pipe 8, and a second sleeve 6 is arranged on the other side of the outer surface of the return pipe 8;

[0023] A feed pipe 10 is arranged inside the reflux pipe 8 , and a liquid level adjustment block 9 is arranged at the bottom of the reflux pipe 8 .

[0024] A liner block 18 is disposed on the top of the body 1 , a third anti-leakage pad 19 is disposed on the outer surface of the liner block 18 , and a first O-ring 20 is disposed on the bottom of the liner block 18 .

[0025] A second fixed pad 17 is disposed on one side of the outer surface of the feed pipe 10 , a control sphere 16 is disposed at the bottom of the second fixed pad 17 , and a first fixed pad 15 is disposed at the bottom of the control sphere 16 .

[0026] A second anti-leakage pad 14 is fixedly installed on the top of the return pipe seat 3 , and a thrust block 11 is arranged on one side of the return pipe seat 3 .

[0027] A fixing flange 27 is fixedly mounted on one side of the outer surface of the body 1 by bolts, and a switch valve stem shaft 25 is provided on one side of the fixing flange 27 .

[0028] A spring pin 24 is disposed on one side of the switch valve stem shaft 25 .

[0029] A gasket 13 is provided on the inner surface of the pipe joint 2 .

[0030] The first sleeve 5 and the second sleeve 6 are respectively sleeved on the upper and lower sides of the outer surface of the return pipe 8, and the first sealing ring 4 is installed between the return pipe seat 3 and the return pipe 8 to achieve a sealing effect and improve the return capacity.

[0031] The thrust block 11 has a limiting effect, limiting the movement range of the return pipe 8 .

[0032] The working principle of the liquid injection component for low-viscosity liquid filling provided by the utility model is as follows:

[0033] During operation, the switch valve stem shaft 25 is first opened, the bottle pushes open the liquid level adjustment block 9, the reflux pipe 8 compresses the spring 7, the mouth of the feed pipe 10 is opened, the liquid flows out, and the gas and excess liquid are extracted from the reflux pipe 8.

[0034] Compared with the related art, the low-viscosity liquid filling component provided by the utility model has the following beneficial effects:

[0035] The utility model provides a liquid injection component for filling low-viscosity liquids. By opening the switch valve stem shaft 25, the bottle pushes open the liquid level adjustment block 9, the reflux pipe 8 compresses the spring 7, the pipe mouth of the feed pipe 10 is opened, the liquid flows out, and the gas and excess liquid are extracted from the reflux pipe 8, so that the gas and excess liquid inside the reflux pipe 8 are completely extracted. The device has a simple structure and strong practicality, and solves the problem of poor practicality of the liquid injection component for filling low-viscosity liquids. During operation, the liquid has an excellent reflux effect inside the pipeline, which improves the reflux effect of the gas and excess liquid.

[0036] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A liquid injection component for filling low-viscosity liquids, characterized in that: include: ontology; A pipe joint, wherein the pipe joint is fixedly mounted on one side of the pipe joint surface, a return pipe seat is fixedly connected to the bottom of the body, a return pipe is arranged on one side inside the return pipe seat, a first sealing ring is arranged on the outer surface of the return pipe, a first sleeve is arranged on one side of the outer surface of the return pipe, and a second sleeve is arranged on the other side of the outer surface of the return pipe; A feed pipe is arranged inside the reflux pipe, and a liquid level adjustment block is arranged at the bottom of the reflux pipe.

2. The low-viscosity liquid filling component according to claim 1, characterized in that: A liner block is arranged on the top of the body, a third anti-leakage pad is arranged on the outer surface of the liner block, and a first O-ring is arranged on the bottom of the liner block.

3. The low-viscosity liquid filling component according to claim 1, characterized in that: A second fixed pad is arranged on one side of the outer surface of the feed pipe, a control sphere is arranged at the bottom of the second fixed pad, and a first fixed pad is arranged at the bottom of the control sphere.

4. The low-viscosity liquid filling component according to claim 1, characterized in that: A second anti-leakage pad is fixedly installed on the top of the inner part of the return pipe seat, and a thrust block is arranged on one side of the inner part of the return pipe seat.

5. The liquid injection component for low-viscosity liquid filling according to claim 1, characterized in that: A fixing flange is fixedly mounted on one side of the outer surface of the body by bolts, and a switch valve stem shaft is arranged on one side of the fixing flange.

6. The low-viscosity liquid filling component according to claim 5, characterized in that: A spring pin is arranged on one side of the switch valve stem shaft.

7. The liquid injection component for low-viscosity liquid filling according to claim 1, characterized in that: A gasket is arranged on the inner surface of the pipe joint.

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