CN213452021U - Refrigerant visual exhaust stop valve - Google Patents
Refrigerant visual exhaust stop valve Download PDFInfo
- Publication number
- CN213452021U CN213452021U CN202021102678.8U CN202021102678U CN213452021U CN 213452021 U CN213452021 U CN 213452021U CN 202021102678 U CN202021102678 U CN 202021102678U CN 213452021 U CN213452021 U CN 213452021U
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- exhaust
- valve
- refrigerant
- pipe
- visual
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Abstract
The utility model discloses a visual exhaust stop valve of refrigerant, which comprises a stop valve body, wherein the valve body is connected with an air inlet pipe and an integrated three-way pipe structure, the three-way pipe structure is provided with an air outlet pipe at one side of the air inlet pipe and an air outlet pipe at the other side, and the stop valve is coaxial with the air inlet pipe; an exhaust assembly is arranged in the exhaust pipe, the exhaust assembly comprises a valve core assembly matched with the inner wall of the exhaust pipe, the valve core assembly comprises a core rod, one end of the core rod is connected with a sealing ring through a pressing buckle, the other end of the core rod is matched with an exhaust nut, and the sealing ring is matched with a closed valve core shell; the side wall of the air outlet pipe is provided with a raised visual mirror valve body, and a liquid viewing lens is arranged in the visual mirror valve body. The utility model discloses an install the sight glass piece in the visual mirror valve body, realize in air conditioning system or liquid feeding in-process can audio-visual observation outlet duct refrigerant flow condition, ensure the security performance of refrigerant liquid feeding, the valve inside subassembly discharges improve equipment safety in utilization to remaining the refrigerant after accomplishing the liquid feeding or in the exhaust process.
Description
Technical Field
The patent of the utility model relates to a stop valve technical field of refrigerant pipeline especially relates to a visual exhaust stop valve of refrigerant.
Background
The filling and discharging of the refrigerant are always manually carried out in high-risk industries, the existing air conditioner refrigerant filling uses a three-color pipe to be matched with a stop valve for filling, and whether the refrigerant flows completely in the filling process is not sensed or completely depends on the actual experience of workers. The stop valve is characterized in that a section of refrigerant is usually remained in the stop valve after the filling or the discharging is finished in the actual filling process, the refrigerant is high-risk gas and must be properly discharged, and the residual gas is easy to cause safety accidents.
In view of this, the present utility model discloses a people has carried out the deep research to above-mentioned problem, how to improve the visual of stop valve and the discharge safety of residual gas, has carried out the present case and has produced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a visual exhaust stop valve of simple structure refrigerant.
A visual exhaust stop valve of refrigerant comprises a stop valve body, wherein an air inlet pipe and an integrated three-way pipe structure are connected to the valve body, an air outlet pipe is arranged on one side of the air inlet pipe of the three-way pipe structure, an exhaust pipe is arranged on the other side of the air inlet pipe of the three-way pipe structure, and a stop switch coaxial with the air inlet pipe is arranged on the other side of the air; an exhaust assembly is arranged in the exhaust pipe, the exhaust assembly comprises a valve core assembly matched with the inner wall of the exhaust pipe, the valve core assembly comprises a core rod, one end of the core rod is connected with a first sealing ring through a pressing buckle, the other end of the core rod is matched with an exhaust nut, and the first sealing ring is matched with a closed valve core shell; the side wall of the air outlet pipe is provided with a raised visual mirror valve body, and a liquid viewing lens is arranged in the visual mirror valve body.
The connecting end of the visual mirror valve body and the visual liquid lens is provided with an inward flange, the flange is inwards pressed against the visual liquid lens through a sealing ring, and a second sealing ring hermetically connected with an air outlet pipe is arranged on the lower side of the visual liquid lens.
And a protective nut is arranged at the outer end part of the air outlet pipe, and a plastic sealing cap is arranged between the protective nut and the port of the air outlet pipe.
And a return spring is arranged between the exhaust nut and the core rod.
The stop switch comprises a valve rod with a hexagonal hole inside, and a third sealing ring and a valve cap airtight connection valve body are arranged on the outer side of the valve rod respectively.
From the above embodiment, it can be easily seen that the utility model has the following advantages:
1. the utility model discloses an install the sight liquid lens in the visual mirror valve body, realize that refrigerant flow condition in air conditioning system or liquid feeding in-process can audio-visual observation outlet duct ensures the security performance of refrigerant liquid feeding.
2. The utility model discloses a valve inside subassembly discharges improve equipment safety in utilization to remaining the refrigerant after accomplishing the liquid feeding or in the exhaust process.
Drawings
Fig. 1 is a schematic view of the structure of the visible exhaust stop valve of the refrigerant of the present invention;
fig. 2 is a structural diagram of the valve core in an open state.
Detailed Description
As shown in fig. 1-2, the visible exhaust stop valve for refrigerant comprises a stop valve body 3, an air inlet pipe 13 connected to the valve body 3, and an integrated three-way pipe structure, wherein the three-way pipe structure is provided with an air outlet pipe 14 at one side of the air inlet pipe 13, an exhaust pipe 15 at the other side, and a stop switch coaxial with the air inlet pipe 13; the stop switch comprises a valve rod 7 with a hexagonal hole 6 inside, and the outer side of the valve rod 7 is respectively provided with a third sealing ring 4 and a valve cap 5 which are hermetically connected with the valve body 3. The valve rod 7 moves up and down to control the opening and closing of the air inlet pipe 13.
An exhaust component 2 is installed in the exhaust pipe 15, the exhaust component comprises a valve core component matched with the inner wall of the exhaust pipe 15, the valve core component comprises a core rod 22, one end of the core rod 22 is connected with a first sealing ring 30 through a press buckle 31, the other end of the core rod is matched with the exhaust nut 1, and the first sealing ring 30 is matched with a closed valve core shell 27; the side wall of the air outlet pipe 14 is provided with a convex visual mirror valve body, and a liquid viewing lens 9 is arranged in the visual mirror valve body. The connection end of the visual mirror valve body and the visual liquid lens 9 is provided with an inward flange, the flange is inwards pressed against the visual liquid lens 9 through a sealing ring 8, and the lower side of the visual liquid lens 9 is provided with a second sealing ring 10 hermetically connected with an air outlet pipe 14.
In order to further improve the use safety of the exhaust stop valve, the outer end part of the air outlet pipe 14 is provided with a protective nut 11, and a plastic sealing cap 12 is arranged between the protective nut 11 and the port of the air outlet pipe 14, and the plastic sealing cap 12 can be taken off when the exhaust stop valve is used.
Preferably, the return spring 16 is arranged between the vent nut 1 and the core rod 22.
The utility model discloses a use does: when the stop valve is opened, the air inlet pipe 13 is used for air inlet, the air outlet pipe 14 is used for air outlet, and the whole flowing process of the refrigerant is observed through the liquid viewing lens 9. When the exhaust is needed, the stop valve is closed, the exhaust nut is rotated to jack the core rod 22, the connecting surface 29 on the core rod 22 is attached to jack the first sealing ring 30, so that the residual refrigerant is communicated with the inner tube 32 of the valve core shell 27 through the exhaust pipe 15 and flows out through the gap between the exhaust nut and the outer wall of the exhaust pipe 15.
Claims (5)
1. The utility model provides a visual exhaust stop valve of refrigerant, includes stop valve body (3), is connected with intake pipe (13) on valve body (3) to and integrative tee bend tubular construction, its characterized in that: the three-way pipe structure is provided with an air outlet pipe (14) at one side of the air inlet pipe (13), an air outlet pipe (15) at the other side and a stop switch coaxial with the air inlet pipe (13); an exhaust component (2) is installed in the exhaust pipe (15), the exhaust component comprises a valve core component matched with the inner wall of the exhaust pipe (15), the valve core component comprises a core rod (22), one end of the core rod (22) is connected with a first sealing ring (30) through a press buckle (31), the other end of the core rod is matched with an exhaust nut (1), and the first sealing ring (30) is matched with a closed valve core shell (27); the side wall of the air outlet pipe (14) is provided with a raised visible mirror valve body, and a liquid viewing lens (9) is arranged in the visible mirror valve body.
2. A refrigerant-visible exhaust shut-off valve as defined in claim 1, wherein: the visual mirror is characterized in that an inward flange is arranged at the connecting end of the visual mirror valve body and the visual liquid lens (9), the flange is inwards pressed against the visual liquid lens (9) through a sealing ring (8), and a second sealing ring (10) is arranged on the lower side of the visual liquid lens (9) and is connected with an air outlet pipe (14) in a sealing mode.
3. A refrigerant-visible exhaust shut-off valve as defined in claim 1, wherein: and a protective nut (11) is arranged at the outer end part of the air outlet pipe (14), and a plastic sealing cap (12) is arranged between the protective nut (11) and the port of the air outlet pipe (14).
4. A refrigerant-visible exhaust shut-off valve as defined in claim 1, wherein: and a return spring (16) is arranged between the exhaust nut (1) and the core rod (22).
5. A refrigerant-visible exhaust shut-off valve as defined in claim 1, wherein: the stop switch comprises a valve rod (7) with a hexagonal hole (6) inside, and a third sealing ring (4) and a valve cap (5) hermetically connected valve body (3) are arranged on the outer side of the valve rod (7) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021102678.8U CN213452021U (en) | 2020-06-15 | 2020-06-15 | Refrigerant visual exhaust stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021102678.8U CN213452021U (en) | 2020-06-15 | 2020-06-15 | Refrigerant visual exhaust stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213452021U true CN213452021U (en) | 2021-06-15 |
Family
ID=76370277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021102678.8U Active CN213452021U (en) | 2020-06-15 | 2020-06-15 | Refrigerant visual exhaust stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213452021U (en) |
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2020
- 2020-06-15 CN CN202021102678.8U patent/CN213452021U/en active Active
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