Air-leakage-preventing liquid injection device for air conditioner maintenance

Abstract

The utility model discloses an air-leakage-proof liquid filling device for air conditioner maintenance, and relates to the technical field of air conditioner maintenance, the air-leakage-proof liquid filling device comprises a filling device body, an electric push rod and a push block, the electric push rod is installed on the inner wall surface of the filling device body, and the push block is installed on the front wall surface of the electric push rod; an injection hole is formed in the front end face of the filling device body, a rear end threaded seat is installed on the rear wall face of the filling device body, a connecting structure is connected to the injection hole, a filling structure is connected to the filling device body, and a safety structure is arranged on the rear end threaded seat in a sleeving mode. During use, if the filling nozzle needs to be replaced, the filling nozzle is taken down, the connector is rotated around the filling device body, the connector drives the sealing baffle to abut against the sealing gasket, leakage-proof gas liquid is prevented from flowing out along the injection hole, and when an operator takes out another filling nozzle, the connector is reset, and the filling nozzle is replaced. The problems that a sealing mechanism of a filling device is in sliding connection and is prone to falling off and not stable enough are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioner maintenance technical field especially relates to a kind of air conditioner maintenance is with anti-leakage liquid filling device. BACKGROUND

[0002] Air conditioner is air conditioner, is to artificial means, to the temperature, humidity, flow rate and other parameters of the air in the environment of building or structure are adjusted and controlled equipment, generally including cold source / heat source equipment, cold and hot medium delivery system, end device and other auxiliary equipment, anti-leakage liquid filling device is used to carry out gas-liquid filling when air conditioner is maintained.The anti-leakage liquid filling device of prior air conditioner maintenance is in the process of using, filling head is generally fixed by screw and installed on shell, it is inconvenient to install filling head, and it is inconvenient to disassemble and store filling head.

[0003] Through the search, patent No. CN221802141U discloses an anti-leakage liquid filling device for air conditioner maintenance, which is convenient to install the filling head on the shell, and convenient to disassemble the filling head to store the whole device, avoiding occupying large storage space, however, this filling device has no safety structure, and accidents are prone to occur during high-altitude operation, and the sealing mechanism is connected by sliding, which is easy to fall off and not stable. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem that the prior art does not have a safety structure, and accidents are prone to occur during high-altitude operation, and the sealing mechanism is connected by sliding, which is easy to fall off and not stable.

[0005] To solve the above technical problems, the technical scheme of the utility model is an anti-leakage liquid filling device for air conditioner maintenance, which comprises a filling device body, an electric push rod and a push block. The electric push rod is installed on the inner wall surface of the filling device body. The push block is installed on the front wall surface of the electric push rod. The front end surface of the filling device body is provided with an injection hole. The rear wall surface of the filling device body is provided with a rear end threaded seat. A connecting structure is connected to the injection hole. A filling structure is connected to the filling device body. A safety structure is sleeved on the rear end threaded seat. An auxiliary structure is installed in the filling device body.

[0006] As a further scheme of the utility model: the filling structure includes: front end threaded seat, limit ring and filling locking cap, the front end threaded seat is installed on the front wall surface of filling device body, the limit ring is installed on the outer wall surface of filling nozzle, the filling locking cap is sleeved on the front end threaded seat and is connected with the limit ring.

[0007] As a further scheme of the utility model: the safety structure includes: locking threaded sleeve, safety rope and safety bracelet, the locking threaded sleeve is sleeved on the outer wall surface of rear end threaded seat, the safety rope is connected on the outer wall surface of locking threaded sleeve, the safety bracelet is connected on the rear end surface of safety rope.

[0008] As a further scheme of the utility model: the auxiliary structure includes: battery module, illuminating lamp and observation window, the battery module is installed on the inner wall surface of filling device body, the illuminating lamp is connected on the front wall surface of battery module, the observation window is connected on the outer wall surface of filling device body.

[0009] As a further scheme of the utility model: the front wall surface of injection hole is installed with sealing gasket.

[0010] As a further scheme of the utility model: the connecting head and filling device body adopt threaded connection.

[0011] As a further scheme of the utility model: the battery module is electrically connected with electric push rod and illuminating lamp respectively.

[0012] The utility model adopts above-mentioned technical scheme, compared with prior art, has following advantages:

[0013] When the operation position is higher, the operator can screw the locking threaded sleeve on the rear end threaded seat, then the safety bracelet is sleeved on the operator's hand, the locking threaded sleeve is connected through the safety rope, prevents the hand slip from causing the filling device body to fall off during operation, causes the filling device body to damage, solves the problem that the filling device does not have safety structure, and the accident is prone to occur when operating in high altitude.

[0014] If the filling nozzle needs to be replaced during use, when the filling nozzle is taken down, the connecting head is rotated around the filling device body, the sealing baffle is driven by the connecting head and is on the sealing gasket, prevents the air leakage liquid from flowing along the injection hole, when the operator takes another filling nozzle, the connecting head is reset, and the filling nozzle can be replaced, the problem that the sealing mechanism of the filling device adopts sliding connection and is easy to fall off and is not stable is solved. ACCURACY OF DRAWINGS

[0015] Figure 1 It is whole structure schematic view of the utility model embodiment air conditioner maintenance is with the air leakage liquid filling device;

[0016] Figure 2The overall structure sectional view of the air leakage prevention liquid filling device for air conditioner maintenance in the embodiment of the utility model,

[0017] Figure 3 The partial enlarged view of A in the overall structure sectional view of the air leakage prevention liquid filling device for air conditioner maintenance in the embodiment of the utility model,

[0018] Figure 4 The safety structure schematic view of the air leakage prevention liquid filling device for air conditioner maintenance in the embodiment of the utility model.

[0019] In the figure: 1, filling device body; 2, electric push rod; 3, push block; 4, injection hole; 5, rear threaded seat; 6, connecting head; 7, sealing ring; 8, sealing baffle; 9, filling nozzle; 10, front threaded seat; 11, limiting ring; 12, filling locking cap; 13, locking threaded sleeve; 14, safety rope; 15, safety bracelet; 16, battery module; 17, illuminating lamp; 18, observation window; 19, sealing gasket. DETAILED DESCRIPTION

[0020] The specific embodiments of the utility model will be further described in combination with the accompanying drawings. It needs to be explained here that the description of these embodiments is used to help understanding the utility model, but does not constitute the limitation to the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0021] Please refer to Figures 1-4 An air leakage prevention liquid filling device for air conditioner maintenance, including filling device body 1, electric push rod 2 and push block 3, electric push rod 2 is installed on the inner wall surface of filling device body 1, push block 3 is installed on the front wall surface of electric push rod 2, the front end surface of filling device body 1 is provided with injection hole 4, the rear wall surface of filling device body 1 is provided with rear threaded seat 5, connecting structure is connected on injection hole 4, filling structure is connected on filling device body 1, safety structure is sleeved on rear threaded seat 5, and auxiliary structure is installed in filling device body 1;Connecting structure includes: connecting head 6, sealing ring 7, sealing baffle 8 and filling nozzle 9;Connecting head 6 is installed on the inner wall surface of filling device body 1, and is connected with injection hole 4 using sealing sliding connection through sealing ring 7, sealing baffle 8 is installed on the inner wall surface of connecting head 6, and filling nozzle 9 is sleeved on the outer wall surface of connecting head 6.

[0022] Please refer to Figure 3 Filling structure includes: front threaded seat 10, limiting ring 11 and filling locking cap 12;Front threaded seat 10 is installed on the front wall surface of filling device body 1, limiting ring 11 is installed on the outer wall surface of filling nozzle 9, filling locking cap 12 is sleeved on front threaded seat 10, and is connected with limiting ring 11.

[0023] Please refer to Figure 4 , the safety structure includes: locking threaded sleeve 13, safety rope 14 and safety bracelet 15; locking threaded sleeve 13 is sleeved on the outer wall surface of rear end threaded seat 5, safety rope 14 is connected to the outer wall surface of locking threaded sleeve 13, and safety bracelet 15 is connected to the rear end surface of safety rope 14.

[0024] Please refer to Figure 3 , the auxiliary structure includes: battery module 16, illuminating lamp 17 and observation window 18; battery module 16 is installed on the inner wall surface of filling device body 1, illuminating lamp 17 is connected to the front wall surface of battery module 16, and observation window 18 is connected to the outer wall surface of filling device body 1.

[0025] Please refer to Figure 3 , the front wall surface of injection hole 4 is provided with sealing gasket 19, and when the filling nozzle 9 is removed, the connecting head 6 is rotated around the filling device body 1, the sealing baffle 8 is driven by the connecting head 6 to abut against the sealing gasket 19, so that the leakage of the anti-leakage liquid along the injection hole 4 is prevented.

[0026] Please refer to Figure 3 , the connecting head 6 and the filling device body 1 are connected by threads, and when the filling nozzle 9 is removed, the connecting head 6 is rotated around the filling device body 1, the sealing baffle 8 is driven by the connecting head 6 to abut against the sealing gasket 19, so that the leakage of the anti-leakage liquid along the injection hole 4 is prevented.

[0027] Please refer to Figure 2 , the battery module 16 is electrically connected with the electric push rod 2 and the illuminating lamp 17 respectively, and when the environment is dark, the operator can start the illuminating lamp 17 to illuminate the surrounding environment.

[0028] In this embodiment, when the working position is high, the operator can screw the locking threaded sleeve 13 on the rear end threaded seat 5, and then put the safety bracelet 15 on the operator's hand, and connect the locking threaded sleeve 13 through the safety rope 14, so as to prevent the filling device body 1 from falling off due to hand slipping during work, and cause damage to the filling device body 1.

[0029] Specifically, during installation, the operator starts the electric push rod 2, slides the push block 3 along the filling device body 1 to the bottom, then pours the anti-leakage liquid along the injection hole 4 into the filling device body 1, and can observe the injection amount of the anti-leakage liquid through the observation window 18, then screws the connecting head 6 with the sealing ring 7 on the filling device body 1, then puts the filling nozzle 9 on the connecting head 6, locks the filling nozzle 9 on the connecting head 6 through the limiting ring 11, and when the working position is high, the operator can screw the locking threaded sleeve 13 on the rear end threaded seat 5, and then put the safety bracelet 15 on the operator's hand, and connect the locking threaded sleeve 13 through the safety rope 14, so as to prevent the filling device body 1 from falling off due to hand slipping during work, and cause damage to the filling device body 1.

[0030] In use, if the refill nozzle 9 needs to be replaced, the refill nozzle 9 is removed, the connecting head 6 is rotated around the refill device body 1, the connecting head 6 drives the sealing baffle 8 to abut against the sealing pad 19, preventing the leakage-proof gas-liquid from flowing out along the injection hole 4, another refill nozzle 9 is taken out by the operator, the connecting head 6 is reset, and the refill nozzle 9 is replaced.

[0031] Specifically, the operator starts the electric push rod 2, the electric push rod 2 drives the push block 3 to move forward along the refill device body 1, the leakage-proof gas-liquid flows out along the injection hole 4 and the gap between the sealing baffle 8, when the environment is dark, the operator can start the illuminating lamp 17 to illuminate the surrounding environment, in use, if the refill nozzle 9 needs to be replaced, the refill nozzle 9 is removed, the connecting head 6 is rotated around the refill device body 1, the connecting head 6 drives the sealing baffle 8 to abut against the sealing pad 19, preventing the leakage-proof gas-liquid from flowing out along the injection hole 4, another refill nozzle 9 is taken out by the operator, the connecting head 6 is reset, and the refill nozzle 9 is replaced.

[0032] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and still fall within the protection scope of the utility model.

Claims

1. An air conditioner repair anti-leak liquid filling device, comprising a filling device body (1), an electric push rod (2) and a push block (3), characterized in that, The electric push rod (2) is installed on the inner wall surface of the filling device body (1), the push block (3) is installed on the front wall surface of the electric push rod (2), the front end surface of the filling device body (1) is provided with an injection hole (4), the rear wall surface of the filling device body (1) is provided with a rear end threaded seat (5), the injection hole (4) is connected with a connecting structure, the filling device body (1) is connected with a filling structure, the rear end threaded seat (5) is sleeved with a safety structure, and an auxiliary structure is installed in the filling device body (1). The connecting structure comprises a connecting head (6), a sealing ring (7), a sealing baffle (8) and a filling nozzle (9). The connecting head (6) is installed on the inner wall surface of the filling device body (1) and is in sealing sliding connection with the injection hole (4) through the sealing ring (7), the sealing baffle (8) is installed on the inner wall surface of the connecting head (6), and the filling nozzle (9) is sleeved on the outer wall surface of the connecting head (6).

2. The liquid filling device for air conditioner maintenance according to claim 1, wherein The filling structure comprises a front end threaded seat (10), a limiting ring (11) and a filling locking cap (12). The front end threaded seat (10) is installed on the front wall surface of the filling device body (1), the limiting ring (11) is installed on the outer wall surface of the filling nozzle (9), and the filling locking cap (12) is sleeved on the front end threaded seat (10) and connected with the limiting ring (11).

3. The liquid filling device for air conditioner maintenance according to claim 1, wherein The safety structure comprises a locking threaded sleeve (13), a safety rope (14) and a safety bracelet (15). The locking threaded sleeve (13) is sleeved on the outer wall surface of the rear end threaded seat (5), the safety rope (14) is connected to the outer wall surface of the locking threaded sleeve (13), and the safety bracelet (15) is connected to the rear end surface of the safety rope (14).

4. The liquid filling device for air conditioner maintenance according to claim 1, wherein The auxiliary structure comprises a battery module (16), a lighting lamp (17) and an observation window (18). The battery module (16) is installed on the inner wall surface of the filling device body (1), the lighting lamp (17) is connected to the front wall surface of the battery module (16), and the observation window (18) is connected to the outer wall surface of the filling device body (1).

5. The liquid filling device for air conditioner maintenance according to claim 1, wherein The front wall surface of the injection hole (4) is provided with a sealing gasket (19).

6. The liquid filling device for air conditioner maintenance according to claim 1, wherein The connecting head (6) is in threaded connection with the filling device body (1).

7. The liquid filling device for air conditioner maintenance according to claim 4, wherein The battery module (16) is electrically connected with the electric push rod (2) and the lighting lamp (17) respectively.

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