CN220540897U

CN220540897U - Refrigerant pipe system maintenance valve

Info

Publication number: CN220540897U
Application number: CN202322113617.1U
Authority: CN
Inventors: 张炳文
Original assignee: Guangdong Youliao Technology Co ltd
Current assignee: Guangdong Youliao Technology Co ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-02-27
Anticipated expiration: 2033-08-08

Abstract

The utility model discloses a refrigerant pipeline system maintenance valve which comprises an upper screw cap, a valve core, a first pipeline and a spring, wherein the valve core is arranged at the top of the outer wall of the upper screw cap, the first pipeline is arranged at the bottom of the inner wall of the upper screw cap, a pressing sheet is arranged at the bottom of the outer wall of the valve core, the spring is arranged at the bottom of the outer wall of the pressing sheet, and a pressure valve is arranged at the bottom of the outer wall of the spring. According to the utility model, the valve core is arranged at the top of the outer wall of the upper nut, the first pipeline is arranged at the bottom of the inner wall of the upper nut, the pressing sheet is arranged at the bottom of the outer wall of the valve core, the spring is arranged at the bottom of the outer wall of the pressing sheet, and the pressure valve is arranged at the bottom of the outer wall of the spring, so that whether the vacuum pumping of a central air conditioning system, the pressure filling of a detecting system, the refrigerant releasing and the tightness of the system are well detected or not is realized, the times of the maintenance personnel in and out of the high-altitude operation are reduced, the personal safety risk is greatly reduced, and the overall economic benefit is improved.

Description

Refrigerant pipe system maintenance valve

Technical Field

The utility model relates to the technical field of service valves, in particular to a service valve of a refrigerant pipeline system.

Background

The high-rise air conditioner is installed into a common phenomenon of modern urban operation, and the frequent operation that operators go in and out of the outer wall and the high-rise operation is just as normal in the industry, so that extremely high personal safety risks and human resource cost are born.

With the scheme such as various equipment, instrument, measure on the market at present, do not have one can assist the air conditioner under the high altitude installation scene, solve the aerial operation risk of air conditioner installation debugging, maintenance repair in-process, high human cost, inefficiency's high floor aerial operation difficult problem. Therefore, special technical measures are required to be provided, and the whole pipeline system is optimally managed. Therefore, the safety risk in the operation process is greatly reduced, the manpower resources are saved, the time efficiency is improved, and the overall economic benefit is improved.

The patent document CN215721000U discloses a four-way valve and an air conditioner, and discloses the technical field of air conditioners, in particular to a four-way valve and an air conditioner. The four-way valve provided by the utility model comprises a valve body, a sealing cover, an access hole and a switching mechanism; the sealing cover seals the access hole during normal operation, and the working state of the four-way valve can be switched through the switching mechanism; because the sealing cover is detachably connected with the valve body, when the four-way valve fails and needs to be overhauled, the sealing cover can be opened, the switching mechanism is taken out of the cavity through the overhauling hole, the switching mechanism is cleaned or replaced, the whole four-way valve does not need to be replaced, the service life of the four-way valve can be greatly prolonged, and the maintenance and replacement cost of the four-way valve is reduced; and when maintaining the four-way valve, need not to use large-scale welding equipment to weld the change four-way valve on-spot, therefore maintain the four-way valve more simply convenient, can improve maintenance efficiency, further practice thrift cost of maintenance.

In summary, the valve body, the sealing cover, the overhaul port and the switching mechanism are arranged in the patent, so that when the four-way valve is maintained, the four-way valve is replaced by welding without using large welding equipment on site, the four-way valve is maintained more simply and conveniently, the maintenance efficiency can be improved, and the maintenance cost is further saved, but the problems of high-rise aerial operation risk, high labor cost and low efficiency in the air conditioner installation, debugging, maintenance and repair process cannot be solved in the patent;

therefore, the application provides the refrigerant pipeline system maintenance valve which can be used for vacuumizing the central air conditioning system, detecting whether the pressure of the system is filled with the refrigerant, releasing the refrigerant and detecting whether the tightness of the system is good or not, and reducing the times of the maintenance personnel in-out high-altitude operation.

Disclosure of Invention

The utility model aims to provide a refrigerant pipeline system maintenance valve, which solves the technical problems that the vacuum pumping of a central air conditioning system, the pressure filling of a system, the release of the refrigerant and the good detection of the tightness of the system cannot be realized, and the times of the maintenance personnel in-out and in-out high-altitude operation are reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

compared with the prior art, the utility model has the beneficial effects that: the utility model provides a refrigerant pipe way system maintenance valve, includes nut, case, first pipeline and spring, the case is installed at nut outer wall top, first pipeline is installed to nut inner wall bottom, the preforming is installed to case outer wall bottom, the spring is installed to preforming outer wall bottom, pressure valve is installed to spring outer wall bottom, and pressure valve is inside first pipeline.

Preferably, a first sealing interface is arranged at the bottom of the outer wall of the first pipeline, a first copper pipe nut is sleeved on the outer wall of the first sealing interface, and a detection pipeline is arranged at the bottom of the outer wall of the first sealing interface.

Preferably, the valve body is installed at the bottom of the outer wall of the detection pipeline, a second sealing interface is installed on the side face of the outer wall of the valve body, a second copper pipe nut is sleeved on the outer wall of the second sealing interface, and a first bell mouth is installed on the side face of the outer wall of the second copper pipe nut.

Preferably, a third sealing interface is arranged on the side face of the outer wall of the valve body, a third copper pipe nut is sleeved on the outer wall of the third sealing interface, and a second bell mouth is arranged on the side face of the outer wall of the third copper pipe nut.

1. According to the utility model, the valve core is arranged at the top of the outer wall of the upper nut, the first pipeline is arranged at the bottom of the inner wall of the upper nut, the pressing sheet is arranged at the bottom of the outer wall of the valve core, the spring is arranged at the bottom of the outer wall of the pressing sheet, the pressure valve is arranged at the bottom of the outer wall of the spring, and the pressure valve is arranged in the first pipeline, so that whether the vacuum pumping of a central air conditioning system, the pressure filling of the refrigerant of a detection system, the release of the refrigerant and the tightness of the system are well detected or not are realized, the times of the maintenance personnel in and out of the high-altitude operation are reduced, the personal safety risk is greatly reduced, the investment of manpower resources is saved, the time efficiency is improved, and the overall economic benefit is improved;

2. according to the utility model, the valve body (2) is arranged at the bottom of the outer wall of the detection pipeline (201) with the first bell mouth through the second sealing interface, the second sealing interface (101) is arranged on the side surface of the outer wall of the valve body (2), the second copper pipe nut (1) is sleeved on the outer wall of the second sealing interface (101), and the first bell mouth (102) is arranged on the side surface of the outer wall of the second copper pipe nut (1), so that the air tightness detection and the pressure adjustment of the pipeline system are realized.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the front part structure of the present utility model;

FIG. 3 is a schematic view of a valve core part structure of the present utility model;

FIG. 4 is a schematic view of a valve body part structure according to the present utility model.

In the figure: 1. a second copper tube nut; 101. a second sealing interface; 102. a first flare; 2. a valve body; 201. detecting a pipeline; 202. a first copper tube nut; 203. a first sealing interface; 3. a third copper tube nut; 301. a third sealing interface; 302. a second flare; 4. a valve core; 401. tabletting; 402. a spring; 403. a pressure valve; 5. a nut is arranged; 501. a first conduit.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-3, an embodiment of the present utility model is provided: the utility model provides a refrigerant pipe way system maintenance valve, includes nut 5, case 4, first pipeline 501 and spring 402, the case 4 is installed at nut 5 outer wall top, first pipeline 501 is installed to nut 5 inner wall bottom, preforming 401 is installed to case 4 outer wall bottom, spring 402 is installed to preforming 401 outer wall bottom, pressure valve 403 is installed to spring 402 outer wall bottom, and pressure valve 403 is inside first pipeline 501, has realized that the leakproofness of central air conditioning system evacuation, detecting system pressure filling refrigerant, release refrigerant and system is good and has detected, reduces the number of times that maintainer came into and go out the overhead operation to greatly reduced personal safety risk, use manpower sparingly resources input, improve time efficiency, promote holistic economic benefits.

Referring to fig. 1-4, the bottom of the outer wall of the detection pipeline (201) is provided with a valve body (2), the side surface of the outer wall of the valve body (2) is provided with a second sealing interface (101), the outer wall of the second sealing interface (101) is sleeved with a second copper pipe nut (1), the side surface of the outer wall of the second copper pipe nut (1) is provided with a first bell mouth (102), and the air tightness detection and pressure adjustment of the pipeline system are realized.

The working principle is that the second copper pipe nut 1 is screwed into the second sealing interface 101 to realize the sealing effect on the second sealing interface 101, the third copper pipe nut 3 is screwed into the third sealing interface 301 to realize the sealing of the third sealing interface 301, and the first copper pipe nut 202 is screwed into the first sealing interface 203 to finish the sealing of the first sealing interface 203, so that the leakage of the gas of a refrigerant pipeline is prevented; selecting an indoor convenient maintenance position, enabling a copper pipe to penetrate through a second copper pipe nut 1 and an upper nut 5 at the air pipe side of an air conditioning pipeline system, then entering the first pipeline 501, processing a first horn mouth 102 and a second horn mouth 302 by using a copper pipe special tool, screwing in a valve body 2, fastening, screwing out the upper nut 5, reversely screwing out a valve core 4 by using a concave fork mouth of the upper nut 5, after the valve core 4 releases pressure on a pressing sheet 401, pulling out a pressure valve 403 by a spring 402 to release the pressure in the pipeline, accessing a pipeline system barometer and a switching valve, connecting a nitrogen pressure test pipe and a nitrogen cylinder, opening the barometer switching valve and the nitrogen cylinder to charge nitrogen into a detection pipeline 201, performing an air tightness pressure test on the refrigerant pipeline, and after 24 hours, detaching the pressure test device, screwing in the valve core 4 again, and reducing the original state of the maintenance valve; an upper screw cap 5 is screwed out and connected with a refrigerant filling pipe special for an air conditioner, a spring 402 at the bottom of a valve core 4 is opened, the other end of the valve core is connected with a vacuum pump inlet, a vacuum pump is started to vacuumize an air conditioner pipeline system, a refrigerant storage tank is connected after vacuumization, a storage tank valve is opened to fill the refrigerant, and after vacuumization, the storage tank, a refrigerant pipe pressure gauge and the filling pipe are disassembled, and the upper screw cap 5 is screwed in to complete refrigerant filling operation; the upper screw cap 5 is screwed out to connect the refrigerant filling pipe special for the air conditioner and the pressure monitoring meter, the spring 402 is opened and communicated with the air conditioner pipeline system, the air conditioner system is started to perform test operation, and whether the pressure change of the equipment under each operation working condition meets the technical standard and requirement is detected.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a refrigerant pipe way system maintenance valve, includes nut (5), case (4), first pipeline (501) and spring (402), its characterized in that: the valve core (4) is installed at last nut (5) outer wall top, first pipeline (501) is installed to last nut (5) inner wall bottom, preforming (401) is installed to case (4) outer wall bottom, spring (402) are installed to preforming (401) outer wall bottom, pressure valve (403) are installed to spring (402) outer wall bottom, and pressure valve (403) are inside first pipeline (501).

2. The refrigerant tubing service valve of claim 1, wherein: the bottom of the outer wall of the first pipeline (501) is provided with a first sealing interface (203), the outer wall of the first sealing interface (203) is sleeved with a first copper pipe nut (202), and the bottom of the outer wall of the first sealing interface (203) is provided with a detection pipeline (201).

3. The refrigerant tubing service valve of claim 2, wherein: the bottom of the outer wall of the detection pipeline (201) is provided with a valve body (2), the side surface of the outer wall of the valve body (2) is provided with a second sealing interface (101), the outer wall of the second sealing interface (101) is sleeved with a second copper pipe nut (1), and the side surface of the outer wall of the second copper pipe nut (1) is provided with a first bell mouth (102).

4. A refrigerant tubing service valve according to claim 3, wherein: the side face of the outer wall of the valve body (2) is provided with a third sealing interface (301), the outer wall of the third sealing interface (301) is sleeved with a third copper pipe nut (3), and the side face of the outer wall of the third copper pipe nut (3) is provided with a second bell mouth (302).