Refrigerant aerosol can leak detection device

Abstract

The refrigerant aerosol can leak detection device comprises a bottom plate, a frame is fixedly installed on the top of one side of the bottom plate, a transparent water tank is fixedly installed on the top of the bottom plate and located on one side of the frame, a connecting ring is rotatably connected to an inner cavity of the frame, and a driving motor is fixedly installed on one side of the frame. Through the arrangement of the driving motor and the multi-station pneumatic rotating joint, a plurality of refrigerant aerosol cans are sequentially communicated with the charging connector on the connecting ring through the fixing assembly, air is injected into the refrigerant aerosol cans through the multi-station pneumatic rotating joint, and an output shaft of the driving motor drives the connecting ring to rotate slowly; the refrigerant aerosol cans filled with gas are sequentially and slowly sunk into the transparent water tank, so that leakage detection is sequentially carried out on the refrigerant aerosol cans, and the leakage detection efficiency of the refrigerant aerosol cans is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of airtightness leak detection equipment, in particular to a refrigerant aerosol tank leak detection device. Background Art

[0002] The existing refrigerant aerosol tank is composed of a galvanized iron plate gas tank, a control valve and a nozzle. Before leaving the factory, it is filled in place, and when it is used, just press the control switch.

[0003] The Chinese patent with the publication number CN212621309U discloses a leak detection device for a refrigerant aerosol tank, including a base and a column, a column is fixedly installed at one end of the upper surface of the base, a linear slide is fixedly inlaid on the side wall of the column, a leak detection fixed frame is movably installed on the surface of the linear slide, a lifting plate is movably connected to the bottom of the leak detection fixed frame, the lifting plate and the leak detection fixed frame form a C-shaped structure, an electric telescopic rod is fixedly installed on the outer wall of the leak detection fixed frame, one end of the piston rod of the electric telescopic rod is fixedly connected to one end of the lifting plate, a leak detection pool is fixedly installed on the upper surface of the base, and a high-pressure gas storage tank is fixedly installed on the outer side of the column. The utility model has a simple structure and is easy to operate. It can quickly detect the sealing of the refrigerant aerosol tank. At the same time, the conical seat is an inverted conical structure, and refrigerant aerosol tanks with different opening sizes can be sealed during use, thereby realizing leak detection of refrigerant aerosol tanks of different models, and using it more flexibly.

[0004] Although the above-mentioned leak detection device for refrigerant aerosol cans can realize leak detection for refrigerant aerosol cans of different models, it can only detect leaks for individual cans in sequence. When the number of cans to be detected is too large, the leak detection efficiency is low.

[0005] Therefore, a refrigerant aerosol tank leak detection device is proposed. Utility Model Content

[0006] The utility model aims to provide a refrigerant aerosol tank leak detection device to solve the technical defects that the existing leak detection device can only detect the leak of a single tank and has low leak detection efficiency.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A refrigerant aerosol tank leak detection device comprises a base plate, a frame is fixedly installed on the top of one side of the base plate, a transparent water tank is fixedly installed on the top of the base plate and on one side of the frame, a connecting ring is rotatably connected to the inner cavity of the frame, a driving motor is fixedly installed on one side of the frame, the output shaft of the driving motor passes through the frame and is fixedly connected to the connecting ring, a multi-station pneumatic rotary joint is rotatably arranged in the inner cavity of the connecting ring, a plurality of groups of circular holes are opened on the surface of the connecting ring, support plates are fixedly installed on the surface of the connecting ring and on both sides of the circular holes, one end of two groups of support plates are fixedly connected to fixing plates, a mounting block is fixedly connected between the two groups of fixing plates, an inflation nozzle is plugged on the surface of the mounting block, an air inlet end of the inflation nozzle is connected to an air distribution pipe, the air inlet end of the air distribution pipe is connected to the branch end of the multi-station pneumatic rotary joint, and a fixing component for fixing the refrigerant aerosol tank is arranged between the two groups of fixing plates and above the inflation nozzle.

[0009] As a further scheme of the utility model, the fixing assembly includes a hollow screw fixedly installed at the bottom of the mounting block, a nut is threadedly connected to the surface of the hollow screw, a fixing ring is rotatably connected to the top of the nut, and the tops of both sides of the fixing ring are rotatably connected to connecting plates corresponding to the gap between the two groups of fixing plates, the two groups of connecting plates are respectively slidably connected to the gaps on the corresponding sides between the two groups of fixing plates, and the tops of the two groups of connecting plates are fixedly connected to arc-shaped clamping blocks.

[0010] As a further solution of the utility model, the inner cavity of the mounting block is provided with a symmetrically arranged guide groove, the inner cavity of the guide groove is slidably connected with a guide block, a spring is provided between the guide block and an inner wall of one side of the guide groove, an abutment column is fixedly installed at one end of the guide block, and one end of the two groups of abutment columns respectively penetrate the surface of the corresponding side mounting block and abut against the surface of the connecting plate.

[0011] As a further solution of the utility model, a rubber pad is bonded to the top of the mounting block and the outer circumferential surface of the inflation nozzle.

[0012] As a further solution of the utility model, a protective tube is inserted into the surface of one side of the frame, one end of the protective tube is fixedly connected to the surface of the multi-position pneumatic rotary joint, the air inlet pipe of the multi-position pneumatic rotary joint passes through the protective tube and extends to the outside, and a sealing ring is provided on the surface of the air inlet pipe, which is inserted into the inner cavity of the protective tube.

[0013] As a further solution of the utility model, the output shaft of the driving motor is fixedly connected to a connecting disk, the outer circumferential surface of the connecting disk is fixedly connected to a plurality of connecting rods, and one end of the plurality of connecting rods is fixedly connected to the inner cavity of the connecting ring.

[0014] Compared with the prior art, the refrigerant aerosol tank leak detection device of the utility model has the following beneficial effects:

[0015] 1. Through the arrangement of a driving motor and a multi-station pneumatic rotary joint, several refrigerant aerosol tanks are connected to the inflation nozzles on the connecting ring in sequence through a fixed assembly, and air is injected into the refrigerant aerosol tank through the multi-station pneumatic rotary joint. The output shaft of the driving motor drives the connecting ring to rotate slowly, so that the refrigerant aerosol tanks filled with gas inside slowly sink into the transparent water tank in sequence, thereby leak detection of multiple refrigerant aerosol tanks is performed in sequence, thereby improving the leak detection efficiency of the refrigerant aerosol tanks, and the refrigerant aerosol tanks that have been leak-tested are removed, and then the refrigerant aerosol tanks that need to be leak-tested are installed and leak-tested, thereby performing cyclic leak detection and improving the leak detection efficiency.

[0016] 2. Pinch the connecting plate inward at the same time to make the arc-shaped clamping block clamped on the neck of the refrigerant aerosol can, turn the nut, and move the two sets of arc-shaped clamping blocks downward along the inner cavity formed by the two sets of fixing plates at the same time, so as to press and fix the refrigerant aerosol can. It is convenient and quick to use and is easy to fix the refrigerant aerosol can.

[0017] 3. The rubber pad improves the sealing performance between the inflation nozzle and the mouth of the refrigerant aerosol tank to prevent air leakage and prevent false detection during leak detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings required for use in the embodiment will be briefly introduced below. Obviously, the drawings described below are only examples of the embodiment of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the fixing assembly in the embodiment of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the connecting ring in the embodiment of the utility model;

[0022] Figure 4 It is a schematic cross-sectional structural diagram of the mounting block in the embodiment of the utility model.

[0023] Reference numerals:

[0024] 100. Drive motor; 101. Transparent water tank; 102. Bottom plate; 103. Connecting ring; 104. Refrigerant aerosol tank; 105. Circular hole; 106. Connecting rod; 107. Connecting plate; 108. Frame; 200. Fixing plate; 201. Support plate; 202. Fixing ring; 203. Connecting plate; 204. Arc clamping block; 205. Nut; 206. Hollow screw; 207. Air distribution pipe; 300. Mounting block; 301. Rubber pad; 302. Inflating nozzle; 400. Multi-station pneumatic rotary joint; 401. Protective tube; 402. Inlet pipe; 403. Sealing ring; 500. Guide groove; 501. Guide block; 502. Spring; 503. Abutment column. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the embodiment of the utility model more clear, the embodiment of the utility model is further described in detail below in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0026] In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the embodiments of the present invention.

[0027] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be the internal connection of two components; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0028] See attached Figure 1-4As shown, the embodiment of the utility model is a refrigerant aerosol tank leak detection device, including a bottom plate 102, a frame 108 is fixedly installed on the top of one side of the bottom plate 102, a transparent water tank 101 is fixedly installed on the top of the bottom plate 102 and on one side of the frame 108, the inner cavity of the frame 108 is rotatably connected with a connecting ring 103, a driving motor 100 is fixedly installed on one side of the frame 108, the output shaft of the driving motor 100 passes through the frame 108 and is fixedly connected to the connecting ring 103, the inner cavity of the connecting ring 103 is provided with a multi-station pneumatic rotary joint 400, and the surface of the connecting ring 103 is provided with a plurality of A group of circular holes 105, support plates 201 are fixedly installed on the surface of the connecting ring 103 and on both sides of the circular hole 105, one end of the two groups of support plates 201 are fixedly connected with a fixing plate 200, a mounting block 300 is fixedly connected between the two groups of fixing plates 200, an inflation nozzle 302 is plugged into the surface of the mounting block 300, the air inlet end of the inflation nozzle 302 is connected to an air distribution pipe 207, the air inlet end of the air distribution pipe 207 is connected to the branch end of the multi-station pneumatic rotary joint 400, and a fixing component for fixing the refrigerant aerosol tank 104 is arranged between the two groups of fixing plates 200 and above the inflation nozzle 302.

[0029] The drive motor 100 and the multi-station pneumatic rotary joint 400 are arranged to connect several refrigerant aerosol tanks 104 with the inflation nozzles 302 on the connecting ring 103 in sequence through the fixing assembly, and to inject air into the refrigerant aerosol tanks 104 through the multi-station pneumatic rotary joint 400, and then the drive motor 100 is started, and the output shaft of the drive motor 100 drives the connecting ring 103 to rotate slowly, so that the refrigerant aerosol tanks 104 filled with gas therein slowly sink into the transparent water tank 101 in sequence, thereby performing leak detection on multiple refrigerant aerosol tanks 104 in sequence, thereby improving the leak detection efficiency of the refrigerant aerosol tanks 104, and then removing the refrigerant aerosol tanks 104 that need to be leak-checked, and then installing the refrigerant aerosol tanks 104 that need to be leak-checked, and leak-checking them, thereby performing cyclic leak detection, and further improving the leak detection efficiency.

[0030] Further, see Figure 2As shown, the fixing assembly includes a hollow screw 206 fixedly mounted on the bottom of the mounting block 300, a nut 205 is threadedly connected to the surface of the hollow screw 206, a fixing ring 202 is rotatably connected to the top of the nut 205, and the tops of both sides of the fixing ring 202 are rotatably connected to the connecting plates 203 corresponding to the gap between the two sets of fixing plates 200, the two sets of connecting plates 203 are respectively slidably connected to the gaps on the corresponding sides between the two sets of fixing plates 200, and the tops of the two sets of connecting plates 203 are fixedly connected with arc-shaped clamping blocks 204. Through the setting of the fixing assembly, it is only necessary to pinch the connecting plates 203 inward at the same time so that the arc-shaped clamping blocks 204 are clamped on the neck of the refrigerant aerosol tank 104, and then the nut 205 is twisted to move the two sets of arc-shaped clamping blocks 204 downward along the inner cavity formed by the two sets of fixing plates 200 at the same time, so as to press and fix the refrigerant aerosol tank 104, which is very convenient and quick.

[0031] See also Figure 4 As shown, the inner cavity of the mounting block 300 is provided with a symmetrically arranged guide groove 500, the inner cavity of the guide groove 500 is slidably connected with a guide block 501, a spring 502 is provided between the guide block 501 and an inner wall of one side of the guide groove 500, and an abutment column 503 is fixedly installed at one end of the guide block 501, and one end of the two groups of abutment columns 503 respectively penetrate the surface of the corresponding side mounting block 300 and abut against the surface of the connecting plate 203.

[0032] When the leak detection of the refrigerant aerosol can 104 is completed, the nut 205 is rotated in the reverse direction to release the restriction on the refrigerant aerosol can 104. Then, the abutment column 503 is pushed by the elastic potential energy of the spring 502 to push the connecting plate 203 to both sides, so that the staff can take out the refrigerant aerosol can 104.

[0033] A rubber pad 301 is bonded to the top of the mounting block 300 and the outer circumferential surface of the inflation nozzle 302, which improves the sealing performance between the inflation nozzle 302 and the mouth of the refrigerant aerosol tank 104, prevents leakage, and prevents misdetection during leak detection.

[0034] See also Figure 3 As shown, a protective tube 401 is inserted into the surface of one side of the frame 108, and one end of the protective tube 401 is fixedly connected to the surface of the multi-station pneumatic rotary joint 400. The air inlet pipe 402 of the multi-station pneumatic rotary joint 400 passes through the protective tube 401 and extends to the outside. A sealing ring 403 is provided on the surface of the air inlet pipe 402, and the sealing ring 403 is inserted into the inner cavity of the protective tube 401. The sealing ring 403 protects the air inlet pipe 402 to prevent wear at the contact point between the air inlet pipe 402 and the protective tube 401.

[0035] The output shaft of the driving motor 100 is fixedly connected to a connecting disk 107, and the outer cylindrical surface of the connecting disk 107 is fixedly connected to a plurality of connecting rods 106. One ends of the plurality of connecting rods 106 are fixedly connected to the inner cavity of the connecting ring 103, thereby improving the connection strength between the output shaft of the driving motor 100 and the connecting ring 103, thereby preventing shaking during rotation.

[0036] When the embodiment of the utility model is used, the transparent water tank 101 is filled with water, and several refrigerant aerosol cans 104 are taken out, and the mouth of the refrigerant aerosol can 104 is aligned with the inflation nozzle 302, and then the connecting plate 203 is pinched inward at the same time, so that the arc-shaped clamping block 204 is clamped on the neck of the refrigerant aerosol can 104, and then the nut 205 is screwed to move the two groups of arc-shaped clamping blocks 204 downward along the inner cavity formed by the two groups of fixing plates 200 at the same time, and the refrigerant aerosol can 104 is pressed and fixed, so that the mouth of the refrigerant aerosol can 104 is close to the rubber pad 301, and the inner cavity of the refrigerant aerosol can 104 is sealed, and then the remaining refrigerant aerosol can 104 is installed on the remaining inflation nozzles 302 through the above steps, and the air inlet end of the air inlet pipe 402 is connected to the air outlet end of the air pump. Start the air pump and inject air into the refrigerant aerosol tank 104 through the multi-station pneumatic rotary joint 400, and the output shaft of the driving motor 100 drives the connecting ring 103 to rotate slowly, so that the refrigerant aerosol tank 104 filled with gas inside is slowly sunk into the transparent water tank 101 one by one, and observe whether there are bubbles in the water tank to determine whether the refrigerant aerosol tank 104 is leaking. After the leak detection is completed, the nut 205 is rotated in the opposite direction to release the restriction on the refrigerant aerosol tank 104. The abutment column 503, under the push of the elastic potential energy of the spring 502, pushes the connecting plate 203 to both sides, takes out the refrigerant aerosol tank 104 that has been leak-checked, and installs the refrigerant aerosol tank 104 that has not been leak-checked on the equipment for leak detection, thereby improving the leak detection efficiency of the refrigerant aerosol tank 104.

[0037] The above shows and describes the basic principles of the present invention. The above are only preferred embodiments of the present invention and are not intended to limit the present invention. The above embodiments and descriptions in the specification are only intended to illustrate the principles of the present invention. Without departing from the scope of the present invention, any modifications, equivalent substitutions and improvements made within the spirit and scope of the present invention should be included in the protection scope of the present invention.

Claims

1. A refrigerant aerosol tank leak detection device, comprising a bottom plate (102), characterized in that: A frame (108) is fixedly mounted on the top of one side of the bottom plate (102); a transparent water tank (101) is fixedly mounted on the top of the bottom plate (102) and on one side of the frame (108); a connecting ring (103) is rotatably connected to the inner cavity of the frame (108); a driving motor (100) is fixedly mounted on one side of the frame (108); an output shaft of the driving motor (100) passes through the frame (108) and is fixedly connected to the connecting ring (103); a multi-station pneumatic rotary joint (400) is rotatably arranged in the inner cavity of the connecting ring (103); a plurality of groups of circular holes (105) are provided on the surface of the connecting ring (103); 03) and are fixedly mounted with support plates (201) on both sides of the circular hole (105); one end of each of the two groups of support plates (201) is fixedly connected to a fixing plate (200); a mounting block (300) is fixedly connected between the two groups of fixing plates (200); an inflation nozzle (302) is plugged into the surface of the mounting block (300); an air inlet end of the inflation nozzle (302) is connected to an air distribution pipe (207); an air inlet end of the air distribution pipe (207) is connected to a branch end of a multi-station pneumatic rotary joint (400); and a fixing component for fixing a refrigerant aerosol tank (104) is provided between the two groups of fixing plates (200) and above the inflation nozzle (302).

2. A refrigerant aerosol tank leak detection device according to claim 1, characterized in that: The fixing assembly comprises a hollow screw (206) fixedly mounted on the bottom of the mounting block (300); a nut (205) is threadedly connected to the surface of the hollow screw (206); a fixing ring (202) is rotatably connected to the top of the nut (205); connecting plates (203) corresponding to the gap between the two groups of fixing plates (200) are rotatably connected to the tops of both sides of the fixing ring (202); the two groups of connecting plates (203) are respectively slidably connected to the gaps on the corresponding sides between the two groups of fixing plates (200); and arc-shaped clamping blocks (204) are fixedly connected to the tops of the two groups of connecting plates (203).

3. A refrigerant aerosol tank leak detection device according to claim 2, characterized in that: The inner cavity of the mounting block (300) is provided with a symmetrically arranged guide groove (500), the inner cavity of the guide groove (500) is slidably connected with a guide block (501), a spring (502) is arranged between the guide block (501) and an inner wall of one side of the guide groove (500), an abutment column (503) is fixedly installed at one end of the guide block (501), and one end of two groups of the abutment columns (503) respectively penetrate the surface of the corresponding side mounting block (300) and abut against the surface of the connecting plate (203).

4. A refrigerant aerosol tank leak detection device according to claim 3, characterized in that: A rubber pad (301) is bonded to the top of the mounting block (300) and to the outer circumferential surface of the inflation nozzle (302).

5. A refrigerant aerosol tank leak detection device according to claim 4, characterized in that: A protective tube (401) is inserted into a surface of one side of the frame (108); one end of the protective tube (401) is fixedly connected to the surface of a multi-station pneumatic rotary joint (400); an air inlet pipe (402) of the multi-station pneumatic rotary joint (400) passes through the protective tube (401) and extends to the outside; a sealing ring (403) is sleeved on the surface of the air inlet pipe (402); and the sealing ring (403) is inserted into the inner cavity of the protective tube (401).

6. A refrigerant aerosol tank leak detection device according to claim 5, characterized in that: The output shaft of the driving motor (100) is fixedly connected to a connecting disk (107), the outer circumferential surface of the connecting disk (107) is fixedly connected to a plurality of groups of connecting rods (106), and one end of the plurality of groups of connecting rods (106) is fixedly connected to the inner cavity of the connecting ring (103).

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