Automobile air conditioner refrigerant filling and recycling device

Abstract

The utility model discloses a kind of automobile air conditioner refrigerant filling and recovery device, it includes workbench, the left and right two side surfaces of workbench are fixedly connected with slope, the upper surface of workbench is fixedly connected with refrigerant tank, the upper surface of refrigerant tank is fixedly connected with feeding pipe, the upper surface of workbench is fixedly connected with recovery tank, the rear side surface of recovery tank is fixedly connected with discharge pump, the front side surface of recovery tank is provided with conveying device. Through the above structure, by setting conveying device, refrigerant can be transmitted by setting conveying device using transmission pipe when refrigerant is filled or recovered, the channel of the other side is sealed using sealing plate when filling and transmission, so that the device has filling and recovery functions and does not interfere with each other, using a device can complete work when working, effectively improve the efficiency and convenience of maintenance.

Description

Technical Field

[0001] This utility model relates to the field of refrigerant charging and recovery technology, specifically to a device for charging and recovering automotive air conditioning refrigerant. Background Technology

[0002] With the widespread use of automotive air conditioning systems, refrigerant charging and recovery have become indispensable steps in automotive maintenance. Most existing refrigerant charging equipment can only perform either charging or recovery functions, while the other function requires a separate device. This results in the need for multiple devices during maintenance, increasing operational complexity and time costs. Therefore, there is an urgent need for a highly efficient device capable of both refrigerant charging and recovery to improve maintenance efficiency and reduce work steps. Utility Model Content

[0003] This utility model provides an automotive air conditioning refrigerant charging and recovery device. It can use a transmission pipe to transfer refrigerant during charging or recovery by setting up a transmission device. During charging and transmission, a sealing plate is used to seal the channel on the other side, so that the device can have charging and recovery functions at the same time without interference. The work can be completed with one device, which effectively improves the efficiency and convenience of maintenance.

[0004] To achieve the above objectives, an automotive air conditioning refrigerant charging and recovery device is provided, comprising a workbench, ramps fixedly connected to the left and right sides of the workbench, a refrigerant tank fixedly connected to the upper surface of the workbench, a charging pipe fixedly connected to the upper surface of the refrigerant tank, a recovery box fixedly connected to the upper surface of the workbench, a discharge pump fixedly connected to the rear surface of the recovery box, and a conveying device provided on the front surface of the recovery box. The ramps are provided to facilitate the transport of the vehicle onto the workbench, and the recovery box is provided to facilitate the storage of the recovered refrigerant.

[0005] According to the aforementioned automotive air conditioning refrigerant charging and recovery device, the transmission device includes a charging pump, a recovery pump, a delivery pipe, a transmission pipe, a partition, a mounting frame, a connecting hose, a fixing bracket, a servo motor, a rotating rod, a rotating seat, a sealing plate, a buckle, a positioning hole, a slot, a stepper motor, and a threaded rod. The charging pump is fixedly connected to the front surface of the refrigerant tank. The charging pump is provided to facilitate the charging of refrigerant.

[0006] According to the aforementioned automotive air conditioning refrigerant charging and recovery device, the recovery pump is fixedly connected to the front surface of the recovery tank, the delivery pipe is fixedly connected to the front surface of the recovery pump, and the transmission pipe is fixedly connected to the other end of the delivery pipe. The transmission pipe is provided to facilitate the delivery of refrigerant.

[0007] According to the aforementioned automotive air conditioning refrigerant charging and recovery device, the partition is fixedly connected to the inner surface of the transmission pipe, the mounting frame is fixedly connected to the front surface of the transmission pipe, and the connecting hose is fixedly threaded to the inner threaded surface of the mounting frame. The connecting hose is provided to facilitate connection to the air conditioning system.

[0008] According to the aforementioned automotive air conditioning refrigerant charging and recovery device, the fixing frame is fixedly connected to the upper surface of the transmission pipe, the servo motor is fixedly connected to the other end of the fixing frame, and the rotating rod is fixedly connected to the lower surface output end of the servo motor. The rotating rod is provided to facilitate the rotation of the sealing plate.

[0009] According to the aforementioned automotive air conditioning refrigerant charging and recovery device, the rotating seat is rotatably connected to the lower annular surface of the rotating rod, the sealing plate is fixedly connected to the annular surface of the rotating rod, and the buckle is fixedly connected to the front and rear side surfaces of the sealing plate. The buckle is provided to facilitate sealing the joint between the sealing plate and the transmission pipe.

[0010] According to the aforementioned automotive air conditioning refrigerant charging and recovery device, the positioning hole is fixedly disposed on the upper surface of the buckle, the slot is fixedly disposed on the front surface of the transmission pipe, the stepper motor is fixedly connected to the rear surface of the mounting frame, and the threaded rod is fixedly connected to the lower surface output end of the stepper motor. The stepper motor is provided to facilitate the rotation of the threaded rod.

[0011] The beneficial effects of this utility model are as follows: By setting up a transmission device, the refrigerant can be transferred using a transmission pipe during refrigerant charging or recovery. During charging and transmission, a sealing plate is used to seal the channel on the other side, so that the device can have charging and recovery functions at the same time without interference. The work can be completed with one device, which effectively improves the efficiency and convenience of maintenance.

[0012] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0013] The present invention will be further described below with reference to the accompanying drawings and embodiments; Figure 1 This is a schematic diagram of the overall structure of an automotive air conditioning refrigerant charging and recovery device according to the present invention; Figure 2 This is a rear view of the overall structure of an automotive air conditioning refrigerant charging and recovery device according to the present invention; Figure 3 This is a cross-sectional view of the transmission device of the automotive air conditioning refrigerant charging and recovery device of this utility model; Figure 4 This is a partial structural diagram of an automotive air conditioning refrigerant charging and recovery device according to the present invention.

[0014] Legend: 1. Workbench; 2. Slope; 3. Refrigerant tank; 4. Feeding pipe; 5. Recovery tank; 6. Discharge pump; 7. Transmission device; 701. Filling pump; 702. Recovery pump; 703. Conveying pipe; 704. Transmission pipe; 705. Partition; 706. Mounting frame; 707. Connecting hose; 708. Fixing bracket; 709. Servo motor; 710. Rotating rod; 711. Rotating seat; 712. Sealing plate; 713. Buckle; 714. Positioning hole; 715. Slot; 716. Stepper motor; 717. Threaded rod. Detailed Implementation

[0015] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0016] Reference Figures 1 to 4 This utility model discloses an automotive air conditioning refrigerant charging and recovery device, which includes a workbench 1, ramps 2 fixedly connected to the left and right sides of the workbench 1, a refrigerant tank 3 fixedly connected to the upper surface of the workbench 1, a charging pipe 4 fixedly connected to the upper surface of the refrigerant tank 3, a recovery tank 5 fixedly connected to the upper surface of the workbench 1, a discharge pump 6 fixedly connected to the rear surface of the recovery tank 5, a transmission device 7 provided on the front surface of the recovery tank 5, and a filter device can be installed inside the recovery tank 5 to filter the recovered refrigerant.

[0017] The transmission device 7 includes a filling pump 701, a recovery pump 702, a delivery pipe 703, a transmission pipe 704, a partition 705, a mounting frame 706, a connecting hose 707, a fixing bracket 708, a servo motor 709, a rotating rod 710, a rotating seat 711, a sealing plate 712, a buckle 713, a positioning hole 714, a slot 715, a stepper motor 716, and a threaded rod 717. The filling pump 701 is fixedly connected to the front surface of the refrigerant tank 3. The recovery pump 702 is fixedly connected to the front surface of the recovery tank 5. The delivery pipe 703 is fixedly connected to the front surface of the recovery pump 702, and the transmission pipe 704 is fixedly connected to the other end of the delivery pipe 703. The partition 705 is fixedly connected to the inner surface of the transmission pipe 704, the mounting frame 706 is fixedly connected to the front surface of the transmission pipe 704, and the connecting hose 707 is threadedly connected to the inner threaded surface of the mounting frame 706. A mounting bracket 708 is fixedly connected to the upper surface of the transmission tube 704. A servo motor 709 is fixedly connected to the other end of the mounting bracket 708. A rotating rod 710 is fixedly connected to the lower output end of the servo motor 709. A rotating seat 711 is rotatably connected to the lower annular surface of the rotating rod 710. A sealing plate 712 is fixedly connected to the annular surface of the rotating rod 710. A buckle 713 is fixedly connected to the front and rear surfaces of the sealing plate 712. A positioning hole 714 is fixedly provided on the upper surface of the buckle 713. A slot 715 is fixedly provided on the front surface of the transmission tube 704. A stepper motor 716 is fixedly connected to the rear surface of the mounting frame 706. A threaded rod 717 is fixedly connected to the lower output end of the stepper motor 716. Reinforcing plates are provided on both sides of the transmission tube 704 to strengthen its strength. A connecting hose 707 is threadedly connected to the mounting frame 706. Different models of the connecting hose 706 can be replaced.

[0018] Working principle: In use, first, replace the connecting hose 707 with the model corresponding to the pipe size of the car's air conditioning system. Then, connect the connecting hose to the car's air conditioning system. Next, turn on the servo motor 709 to drive the rotating rod 710 to rotate, thereby sealing the area of ​​the transmission pipe 704 at one end of the recovery pump 702 with the sealing plate 712. The buckle 713 is then engaged in the slot 715. Then, turn on the stepper motor 716 to drive the threaded rod 717 to rotate and move downwards, finally engaging in the positioning hole 714 to further fix the sealing plate 712. Then, turn on the charging pump 701 to transport the refrigerant through the transmission pipe 704 to the car's air conditioning system. After the transport is complete, use the stepper motor to move the threaded rod 717 upwards. Then, use the servo motor 709 to drive the sealing plate 712 to seal the transmission pipe 704 at the charging pump 701 end. Then, turn on the recovery pump 702 to recover the refrigerant in the air conditioning system. Finally, turn on the discharge pump 6 to discharge the recovered refrigerant. Finally, turn on the charging pipe 4 to add new refrigerant to the refrigerant tank 3.

[0019] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A device for adding and recovering refrigerant for automotive air conditioning, characterized in that, The workbench (1) includes a ramp (2) fixedly connected to the left and right sides of the workbench (1), a refrigerant tank (3) fixedly connected to the upper surface of the workbench (1), a feeding pipe (4) fixedly connected to the upper surface of the refrigerant tank (3), a recycling tank (5) fixedly connected to the upper surface of the workbench (1), a discharge pump (6) fixedly connected to the rear surface of the recycling tank (5), and a transmission device (7) provided on the front surface of the recycling tank (5).

2. The automotive air conditioning refrigerant charging and recovery device according to claim 1, characterized in that, The transmission device (7) includes a filling pump (701), a recovery pump (702), a delivery pipe (703), a transmission pipe (704), a partition (705), a mounting frame (706), a connecting hose (707), a fixing bracket (708), a servo motor (709), a rotating rod (710), a rotating seat (711), a sealing plate (712), a buckle (713), a positioning hole (714), a slot (715), a stepper motor (716), and a threaded rod (717). The filling pump (701) is fixedly connected to the front surface of the refrigerant tank (3).

3. The automotive air conditioning refrigerant charging and recovery device according to claim 2, characterized in that, The recycling pump (702) is fixedly connected to the front surface of the recycling tank (5), the conveying pipe (703) is fixedly connected to the front surface of the recycling pump (702), and the transmission pipe (704) is fixedly connected to the other end of the conveying pipe (703).

4. The automotive air conditioning refrigerant charging and recovery device according to claim 3, characterized in that, The partition (705) is fixedly connected to the inner surface of the transmission pipe (704), the mounting frame (706) is fixedly connected to the front surface of the transmission pipe (704), and the connecting hose (707) is fixedly threaded to the inner threaded surface of the mounting frame (706).

5. The automotive air conditioning refrigerant charging and recovery device according to claim 3, characterized in that, The fixing frame (708) is fixedly connected to the upper surface of the transmission tube (704), the servo motor (709) is fixedly connected to the other end of the fixing frame (708), and the rotating rod (710) is fixedly connected to the lower surface output end of the servo motor (709).

6. The automotive air conditioning refrigerant charging and recovery device according to claim 5, characterized in that, The rotating seat (711) is rotatably connected to the lower annular surface of the rotating rod (710), the sealing plate (712) is fixedly connected to the annular surface of the rotating rod (710), and the buckle (713) is fixedly connected to the front and rear side surfaces of the sealing plate (712).

7. The automotive air conditioning refrigerant charging and recovery device according to claim 6, characterized in that, The positioning hole (714) is fixedly disposed on the upper surface of the buckle (713), the slot (715) is fixedly disposed on the front surface of the transmission tube (704), the stepper motor (716) is fixedly connected to the rear surface of the mounting frame (706), and the threaded rod (717) is fixedly connected to the lower output end of the stepper motor (716).

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