Air-conditioning pipe filling valve airtightness detection tool

Abstract

The utility model discloses an air-conditioning pipe filling valve airtightness detection tool. The air-conditioning pipe filling valve airtightness detection tool comprises a to-be-detected pipeline; the filling hole is formed in the to-be-detected pipeline; the filling valve is fixedly connected with the filling hole, and the filling valve is a hollow valve body; the detection tool is detachably connected with the filling valve, the detection tool is composed of a connecting piece and a valve element, one end of the connecting piece is connected with the filling valve, the valve element is arranged in the connecting piece, the valve element is detachably connected with the connecting piece, and the detection tool is arranged on the filling valve and used for detecting the air tightness between the filling valve and the to-be-detected pipeline. The air tightness detection problem of the air conditioner pipe filling valve welding point and the problem of whether the interior of the to-be-detected pipeline of the air conditioner is blocked are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to airtightness detection technical field, specifically is a kind of air conditioner filling valve airtightness detection tool. BACKGROUND

[0002] In air conditioning system, air conditioner pipe filling valve is used to carry out important components such as refrigerant filling operation to air conditioning system.The airtightness between filling valve and the pipeline to be detected directly affects the normal operation of air conditioning system and refrigeration effect.If there is airtightness problem between filling valve and the pipeline to be detected, it may cause refrigerant leakage, not only reduce the refrigeration capacity of air conditioner, but also pollute the environment, while increasing maintenance cost and energy consumption.

[0003] Existing detection is difficult to accurately and quickly detect the airtightness between filling valve and the pipeline to be detected.Moreover, the connection between part of detection tool and filling valve is not stable enough, and leakage may occur during detection, affecting the accuracy of detection results.Therefore, a new air conditioner pipe filling valve airtightness detection tool has become a problem that technicians in the field need to solve urgently. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of air conditioner pipe filling valve airtightness detection tool, comprising:

[0005] pipeline to be detected;

[0006] filling hole, set up on the pipeline to be detected;

[0007] filling valve, with the fixed connection of filling hole, the filling valve is hollow valve body;

[0008] detection tool, with the detachable connection of filling valve, the detection tool is composed of connecting piece and valve core, one end of the connecting piece is connected with the filling valve, the valve core is arranged in the connecting piece, and with the detachable connection of connecting piece, the detection tool is detachably connected on the outer side of the filling valve, for detecting the airtightness between the filling valve and the pipeline to be detected.

[0009] Optionally, the filling valve includes first connecting part and second connecting part, the first connecting part is fixedly connected with the filling hole, the first connecting part is fixedly connected with second connecting part at the end away from the filling hole, and outer thread is arranged on the outer side of the second connecting part.

[0010] Optionally, the second connecting part is provided with sealing ring at the end close to the first connecting part.

[0011] Optionally, the connecting piece comprises a first mounting part and a second mounting part, an inner thread is arranged on the inner circumferential side of the first mounting part, the first mounting part and the second connecting part form an assembly, a valve core is arranged in the internal cavity of the second mounting part, the valve core is used for controlling the opening and closing of the internal passage of the second mounting part, the extension height of one end of the valve core is matched with the height of the second mounting part, and the other end of the valve core is connected with the internal bottom end of the second mounting part.

[0012] Optionally, the valve core is provided with an operation part, the operation part is arranged at the top end of the valve core, and the height of the operation part is matched with the second mounting part, the operation part is used for controlling the opening and closing device of the valve core.

[0013] Optionally, the to-be-detected pipeline is detachably connected with a sealing piece at two ends.

[0014] The beneficial effects of the present application are as follows:

[0015] 1. The to-be-detected pipeline, the filling hole, the filling valve and the detection tool provided by the present application can effectively detect the air tightness between the filling valve and the to-be-detected pipeline. The detection tool is composed of a connecting piece and a valve core, and is detachably connected with the filling valve, so that the installation and dismounting are facilitated, and the convenience and efficiency of detection are improved.

[0016] 2. The filling valve provided by the present application is provided with a first connecting part and a second connecting part, the first connecting part is fixedly connected with the filling hole, and an outer thread is arranged on the outer side of the second connecting part. This structure design makes the connection between the filling valve and the to-be-detected pipeline more stable, facilitates the assembly of the connecting piece of the detection tool, ensures the tightness of the connection between the detection tool and the filling valve, and thus improves the accuracy of air tightness detection.

[0017] 3. The connecting piece provided by the present application comprises a first mounting part and a second mounting part, an inner thread is arranged on the inner circumferential side of the first mounting part, the first mounting part and the second connecting part form an assembly, a valve core is arranged in the internal cavity of the second mounting part, and the valve core is used for controlling the opening and closing of the internal passage of the second mounting part. Thus, the detection tool can flexibly control the circulation of gas, the valve core can be opened or closed according to needs during the detection process, the air tightness of the filling valve can be accurately judged, and the universality and adaptability of the detection tool are improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 The mounting structure schematic view of the to-be-detected pipeline and the detection tool provided by the present application is shown in the figure.

[0019] Fig. 2 The structure schematic view of the filling valve provided by the present application is shown in the figure.

[0020] Fig. 3The utility model provides a detection tool structure schematic view provided by the utility model,

[0021] In the figure: 1, the pipeline to be detected; 2, the filling hole; 3, the filling valve; 31, the first connecting part; 32, the second connecting part; 4, the detection tool; 5, the connecting piece; 51, the first mounting part; 52, the second mounting part; 6, the valve core. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0023] Please refer to Figs. 1 to 3 The utility model provides a kind of air-conditioning pipe filling valve air-tightness detection tool, comprising:

[0024] The pipeline to be detected 1, the pipeline to be detected 1 both ends detachably connected with sealing element 8, the sealing element 8 is used to the pipeline to be detected 1 both ends outlet is blocked during detection, after the pipeline to be detected 1 is sealed, the welding point in the pipeline to be detected 1 is detected again, and the air permeability of the whole pipeline to be detected 1 is detected.

[0025] The filling hole 2 is opened in the pipeline to be detected 1;

[0026] The filling valve 3 is fixedly connected with the filling hole 2, and the filling valve 3 is a valve body with a hollow structure. In the embodiment, the filling valve 3 is connected with the filling hole 2 by welding. When the air tightness of the pipeline to be detected 1 is detected, the air tightness of the filling hole 2 and the filling valve 3 is mainly detected;

[0027] The filling valve 3 includes a first connecting part 31 and a second connecting part 32, the first connecting part 31 is fixedly connected with the filling hole 2, the first connecting part 31 is fixedly connected with the second connecting part 32 at one end away from the filling hole 2, the outer side of the second connecting part 32 is provided with external threads, and the external threads are used for threadedly connecting with the connecting head of the detection equipment to realize the stable connection of the filling valve 3 and the detection equipment. Through the design of the external threads, the detection equipment can be conveniently connected with the filling valve 3, and then the air tightness of the pipeline to be detected 1 is detected. In addition, the fixed connection mode of the first connecting part 31 and the filling hole 2 is preferably welding to ensure the sealing and stability of the connection.

[0028] A detection tool 4 is detachably connected with the filling valve 3, the detection tool 4 is composed of a connecting piece 5 and a valve core 6, one end of the connecting piece 5 is connected with the filling valve 3, the valve core 6 is arranged inside the connecting piece 5 and is detachably connected with the connecting piece 5, the detection tool 4 is arranged on the filling valve 3 and is used for detecting the air tightness between the filling valve 3 and the pipeline 1 to be detected.

[0029] The connecting piece 5 comprises a first mounting part 51 and a second mounting part 52, an inner thread is arranged on the inner peripheral side of the first mounting part 52, the first mounting part 51 and the second connecting part 52 form an assembly, the valve core 6 is arranged in the internal cavity of the second mounting part 52, the valve core 6 is used for controlling the opening and closing of the passage in the second mounting part 52, the extension height of one end of the valve core 6 is adapted to the height of the second mounting part 52, and the other end of the valve core 6 is connected with the internal bottom end of the second mounting part 52.

[0030] The valve core is provided with an operating part, the operating part is arranged on the top end of the valve core, and the height of the operating part is adapted to the second mounting part, the operating part is used for controlling the opening and closing device of the valve core.

[0031] It should be noted that two different detections can be operated by the detection tool 4 in the present application, first, the welding point air tightness detection of the filling valve 3 and the filling hole 2 on the pipeline 1 to be detected, after the connecting piece 5 is mounted on the filling valve 3, the pipeline 1 to be detected is sealed by a sealing piece at any one end, the other end is connected to an air pipe and the connecting port is sealed, if the detection tool 4 is installed, the welding point of the filling valve 3 and the pipeline 1 to be detected does not leak, which means that the welding point air tightness is good, otherwise, it means that the welding point air tightness is unqualified, second, whether the inner wall of the pipeline 1 to be detected is ventilated, after the detection tool 4 is installed, the inner wall of the pipeline 1 to be detected which is sealed at both ends is ventilated, and the valve core 6 on the detection tool 4 is pressed, if the valve core 6 is ventilated, it means that the pipeline 1 to be detected is good in ventilation, otherwise, it means that the pipeline 1 to be detected is blocked.

[0032] The above is only a few embodiments of the present application, and does not limit the present application in any form, although the preferred embodiments are disclosed as above, but not to limit the present application, any skilled person in the art, without departing from the scope of the technical scheme of the present application, using the above disclosed technical content to make some changes or modifications are equivalent to equivalent embodiments, which are within the scope of the technical scheme.

Claims

1. An air conditioner pipe charging valve airtightness detection tool, characterized by, The utility model relates to a pipeline leak detection device, including: The pipeline to be detected (1); The filling hole (2) is opened on the pipeline to be detected (1); The filling valve (3) is fixedly connected with the filling hole (2), and the filling valve (3) is a hollow valve body; The detection tool (4) is detachably connected with the filling valve (3), the detection tool (4) is composed of a connecting piece (5) and a valve core (6), one end of the connecting piece (5) is connected with the filling valve (3), the valve core (6) is arranged in the connecting piece (5) and is detachably connected with the connecting piece (5), the detection tool (4) is detachably connected outside the filling valve (3) and is used for detecting the air tightness between the filling valve (3) and the pipeline to be detected (1).

2. The air conditioner tube charging valve airtightness detection tool according to claim 1, characterized in that, The filling valve (3) includes a first connecting part (31) and a second connecting part (32), the first connecting part (31) is fixedly connected with the filling hole (2), one end of the first connecting part (31) away from the filling hole (2) is fixedly connected with the second connecting part (32), and an outer thread is arranged on the outer side of the second connecting part (32).

3. The air conditioner tube charging valve airtightness detection tool according to claim 2, characterized in that, One end of the second connecting part (32) close to the first connecting part (31) is provided with a sealing ring.

4. The air conditioner tube charging valve airtightness detection tool according to claim 3, characterized in that, The connecting piece (5) includes a first mounting part (51) and a second mounting part (52), an inner thread is arranged on the inner circumferential side of the first mounting part (51), the first mounting part (51) forms an assembly body with the second connecting part (32), the valve core (6) is mounted in the internal cavity of the second mounting part (52), the valve core (6) is used for controlling the on-off of the internal passage of the second mounting part (52), the extension height of one end of the valve core (6) is adapted to the height of the second mounting part (52), and the other end of the valve core (6) is connected with the internal bottom end of the second mounting part (52).

5. The air conditioner tube charging valve airtightness detection tool according to claim 4, characterized in that, The valve core (6) is provided with an operating part, the operating part is arranged at the top end of the valve core (6), and the height of the operating part is adapted to the second mounting part (52), the operating part is used for controlling the opening and closing device of the valve core (6).

6. The air conditioner tube charging valve airtightness detection tool according to claim 5, characterized in that, The pipeline to be detected (1) is detachably connected with a sealing element (8) at both ends.

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