Air conditioner refrigerant injection device

Abstract

The application discloses an air conditioner refrigerant injection device and relates to the technical field of refrigerants. The injection device comprises a first cover plate, a connecting pipe is fixedly connected to the bottom of a conveying pipe, a first spring is fixedly connected between the baffle and the first cover plate, a gas outlet is symmetrically and fixedly arranged on the lower surface of the connecting pipe, an expansion mechanism and a communication plate are symmetrically arranged on the surface of a sliding pipe, a second cover plate is fixedly connected to the bottom of the sliding pipe, an injection head is arranged on the bottom of the sliding pipe, a first sliding groove and a second sliding groove are symmetrically and fixedly arranged in the inner cavity of the sliding pipe, and a first communication hole and a second communication hole are fixedly arranged on the inner wall and the lower surface of the inner cavity of the sliding pipe. The air conditioner refrigerant injection device solves the problem that the solenoid valve is damaged after long-time use due to power control, needs to be repaired or replaced, is troublesome and causes the production efficiency to be affected.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of refrigerants, in particular to an air conditioner refrigerant injection device. BACKGROUND

[0002] Special vehicles refer to vehicles whose overall dimensions and weight exceed the design vehicle limit and are specially designed or modified to be equipped with fixed devices and equipment, and the main function is not a motor vehicle for carrying people or transporting goods. It refers to vehicles that carry out special services and hang special vehicle license plates, install sirens and marker lamps. Such as armored cars, ambulances, fire trucks, police cars, engineering rescue vehicles, military monitoring vehicles, etc. It refers to various wheeled or tracked special vehicles used for traction, recovery, cleaning, lifting, loading and unloading, lifting, mixing, digging, pushing, and road compaction, or vehicles equipped with fixed special instruments and equipment for professional work, such as monitoring, cleaning, medical treatment, television broadcasting, radar, X-ray examination, etc.

[0003] Among them, the existing special vehicles are all installed with special air conditioners, but the refrigerant needs to be filled into the storage bottle during production. However, the existing injection head is provided with an electromagnetic valve on the surface for controlling the opening of the injection head. However, the electromagnetic valve is controlled by power supply, and after long-term use, damage may occur, which needs to be repaired or replaced, causing inconvenience and delaying production efficiency. SUMMARY

[0004] (I) Technical problems solved

[0005] In view of the deficiencies of the prior art, the present application provides an air conditioner refrigerant injection device, which solves the problem of damage of the electromagnetic valve due to power supply control after long-term use, which needs to be repaired or replaced, causing inconvenience and delaying production efficiency.

[0006] (II) Technical solutions

[0007] To achieve the above purpose, the present application is implemented by the following technical solutions: an air conditioner refrigerant injection device, comprising a frame and a conveying mechanism, the top of the frame is fixedly connected with a mounting plate, the top of the mounting plate is fixedly connected with a first air cylinder in a symmetrical manner, the output end of the first air cylinder is fixedly connected with a second fixed plate, the surface of the second fixed plate is fixedly provided with an injection device in a symmetrical manner, and the bottom of the frame is provided with a limiting mechanism.

[0008] The injection device comprises a first sleeve plate, the top of the first sleeve plate is fixedly sleeved with a conveying pipe through a bolt, the bottom of the conveying pipe is fixedly connected with a connecting pipe, the surface of the connecting pipe is fixedly sleeved with a baffle, the baffle and the first sleeve plate are fixedly connected with a first spring, the lower surface of the connecting pipe is fixedly and symmetrically provided with an air outlet, the lower surface of the connecting pipe is symmetrically and slidably sleeved with a sliding pipe through a sliding block, the surface of the sliding pipe is respectively and symmetrically provided with an expansion mechanism and a communication plate, the bottom of the sliding pipe is fixedly connected with a second sleeve plate, the bottom of the sliding pipe is provided with an injection head, the inner cavity of the sliding pipe is respectively and symmetrically fixedly provided with a first sliding groove and a second sliding groove, and the inner wall and the lower surface of the inner cavity of the sliding pipe are respectively fixedly provided with a first communication hole and a second communication hole.

[0009] The expansion mechanism comprises a sleeve pipe, the inner cavity of the sleeve pipe is slidably sleeved with a sliding rod, the sliding rod and the sleeve pipe are fixedly connected with a second spring, the surface of the sliding rod is fixedly sleeved with a sealing gasket, and one end of the sliding rod is provided with a sealing sleeve.

[0010] Preferably, the limiting mechanism comprises a first connecting plate and a second connecting plate, the surface of the second connecting plate is fixedly and symmetrically connected with a connecting rod, the surfaces of the first connecting plate and the second connecting plate are fixedly and symmetrically connected with a mounting block, the opposite side of the mounting block is rotatably sleeved with a second air cylinder, the surface of the left mounting block is fixedly connected with a rotary air cylinder, and the inner side of the second connecting plate is fixedly connected with a rubber pad.

[0011] Preferably, the connecting rod is fixedly connected to the top of the frame, and the output end of the rotary air cylinder is fixedly connected to one end of the mounting block.

[0012] Preferably, the conveying mechanism comprises a first fixed plate, the bottom of the first fixed plate is fixedly and symmetrically connected with a supporting rod, the inner cavity of the first fixed plate is rotatably sleeved with a gear, the surface of the gear is meshingly connected with a conveying chain, the top of the first fixed plate is fixedly and symmetrically connected with a clamping block, the inner cavity of the clamping block is movably sleeved with a limiting rod, and the surface of the first fixed plate is fixedly connected with a servo motor.

[0013] Preferably, the first fixed plate is located in the inner cavity of the bottom of the frame, the output end of the servo motor penetrates through the surface of the first fixed plate and is fixedly connected with one end of the gear.

[0014] Preferably, the first sleeve plate is fixedly connected to the surface of the second fixed plate, and the first communication hole and the second communication hole are in communication with the communication plate.

[0015] Preferably, the top of the injection head is in communication with the second communication hole, and the sealing gasket and the sliding block are slidably sleeved in the inner cavities of the first sliding groove and the second sliding groove respectively.

[0016] Preferably, the sleeve is fixedly connected to the surface of the sliding pipe, and the sliding rod is sleeved in the inner cavity of the sliding pipe. Advantages

[0017] The present application provides an air conditioner refrigerant injection device. Compared with the prior art, the following advantages are achieved:

[0018] 1. The air conditioner refrigerant injection device, by starting the first cylinder, the telescopic end of the first cylinder drives the second fixed plate to descend, the injection head enters the port of the storage bottle, with the descent, the second sleeve plate abuts against the storage bottle, and the sliding pipe slides upward on the surface of the connecting pipe through the baffle, at the same time, the first spring is extruded, the sliding block slides in the inner cavity of the second sliding groove, the air outlet extrudes the sliding rod, the sliding rod slides in the sleeve through the second spring, and the sealing gasket also slides in the inner cavity of the first sliding groove, so that the air outlet is located in the inner cavity of the second sliding groove, the refrigerant enters the inner cavity of the connecting pipe through the delivery pipe, is discharged through the air outlet, enters the communication plate through the first communication hole, then enters the injection head through the second communication hole, and finally is injected into the storage bottle by the injection head, and the air outlet is sealed by the sealing gasket and the sealing sleeve to prevent leakage of the air outlet, solve the phenomenon that the solenoid valve is damaged after long-term use due to power control, and the maintenance or replacement is required, which causes trouble and delays production efficiency.

[0019] 2. The air conditioner refrigerant injection device, when the storage bottle moves below the injection device, the conveying of the conveying mechanism is stopped, then the second cylinder connected with the mounting block is started, the protruding end of the second cylinder drives the first connecting plate to retract, the storage bottle is clamped by the rubber pad on the surface of the second connecting plate, then the rotary cylinder is started, the rotary cylinder drives the second cylinder to rotate, the protruding baffle on the surface of the second cylinder blocks the storage bottle, so that the storage bottle is accurately positioned to avoid failure to inject.

[0020] 3. The air conditioner refrigerant injection device, the limiting rod clamped by the clamping block can prevent the storage bottle from falling. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the present application;

[0022] Figure 2 It is a structural limiting mechanism schematic diagram of the present application;

[0023] Figure 3 It is a structural injection device schematic diagram of the present application;

[0024] Figure 4 It is a structural injection device sectional view of the present application;

[0025] Figure 5 Structure of the present application Figure 4 Local enlarged view at A in the structure of the present application

[0026] Figure 6 Structure of the present application

[0027] In the figure: 1, frame; 2, conveying mechanism; 21, first fixed plate; 22, support rod; 23, gear; 24, servo motor; 25, conveying chain; 26, clamping block; 27, limiting rod; 3, mounting plate; 4, first cylinder; 5, second fixed plate; 6, injection device; 61, first sleeve plate; 62, bolt; 63, conveying pipe; 64, connecting pipe; 65, baffle; 66, first spring; 67, gas outlet; 68, sliding block; 69, sliding pipe; 610, telescopic mechanism; 6101, sleeve pipe; 6102, sliding rod; 6103, sealing gasket; 6104, sealing sleeve; 6105, second spring; 611, communication plate; 612, second sleeve plate; 613, injection head; 614, first sliding groove; 615, second sliding groove; 616, first communication hole; 617, second communication hole; 7, limiting mechanism; 71, first connecting plate; 72, second connecting plate; 73, rubber pad; 74, connecting rod; 75, mounting block; 76, second cylinder; 77, rotary cylinder. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application are described clearly and completely. 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 work belong to the scope of protection of the present application.

[0029] Please refer to Figure 1 The embodiment of the present application provides a technical solution: an air conditioner refrigerant injection device, comprising a frame 1 and a conveying mechanism 2, the top of the frame 1 is fixedly connected with a mounting plate 3, the top of the mounting plate 3 is fixedly connected with a first cylinder 4 in symmetry, the output end of the first cylinder 4 is fixedly connected with a second fixed plate 5, the surface of the second fixed plate 5 is fixedly provided with an injection device 6 in symmetry, the bottom of the frame 1 is provided with a limiting mechanism 7, the conveying mechanism 2 comprises a first fixed plate 21, the bottom of the first fixed plate 21 is fixedly connected with a support rod 22 in symmetry, the inner cavity of the first fixed plate 21 is rotatably sleeved with a gear 23 in symmetry, the surface of the gear 23 is meshingly connected with a conveying chain 25, the top of the first fixed plate 21 is fixedly connected with a clamping block 26 in symmetry, the inner cavity of the clamping block 26 is movably sleeved with a limiting rod 27, the surface of the first fixed plate 21 is fixedly connected with a servo motor 24, the first fixed plate 21 is located in the inner cavity of the bottom of the frame 1, the output end of the servo motor 24 penetrates through the surface of the first fixed plate 21 and is fixedly connected with one end of the gear 23.

[0030] Please refer to Figures 3-5 , the injection device 6 comprises a first sleeve plate 61, the top of the first sleeve plate 61 is fixed with a conveying pipe 63 through a bolt 62, the bottom of the conveying pipe 63 is fixedly connected with a connecting pipe 64, the surface of the connecting pipe 64 is fixedly sleeved with a baffle 65, the first spring 66 is fixedly connected between the baffle 65 and the first sleeve plate 61, the lower surface of the connecting pipe 64 is symmetrically provided with gas outlets 67, the lower surface of the connecting pipe 64 is symmetrically and slidably sleeved with a sliding pipe 69 through a sliding block 68, the surface of the sliding pipe 69 is respectively and symmetrically provided with an expansion mechanism 610 and a communication plate 611, the bottom of the sliding pipe 69 is fixedly connected with a second sleeve plate 612, the bottom of the sliding pipe 69 is provided with an injection head 613, the inner cavity of the sliding pipe 69 is respectively and symmetrically provided with a first sliding groove 614 and a second sliding groove 615, the inner wall and the inner cavity of the lower surface of the sliding pipe 69 are respectively and fixedly provided with a first communication hole 616 and a second communication hole 617, the first sleeve plate 61 is fixedly connected to the surface of the second fixed plate 5, and the first communication hole 616 and the second communication hole 617 are in communication with the communication plate 611, and the top of the injection head 613 is in communication with the second communication hole 617.

[0031] Please refer to Figure 6 , the expansion mechanism 610 comprises a sleeve pipe 6101, a sliding rod 6102 is slidably sleeved in the inner cavity of the sleeve pipe 6101, a second spring 6105 is fixedly connected between the sliding rod 6102 and the sleeve pipe 6101, a sealing pad 6103 is fixedly sleeved on the surface of the sliding rod 6102, a sealing sleeve 6104 is arranged at one end of the sliding rod 6102, the sealing pad 6103 and the sliding block 68 are slidably sleeved in the inner cavities of the first sliding groove 614 and the second sliding groove 615 respectively, the sleeve pipe 6101 is fixedly connected to the surface of the sliding pipe 69, and the sliding rod 6102 is slidably sleeved in the inner cavity of the sliding pipe 69.

[0032] Please refer to Figure 2 , the limiting mechanism 7 comprises a first connecting plate 71 and a second connecting plate 72, the surface of the second connecting plate 72 is fixedly connected with connecting rods 74 symmetrically, the surfaces of the first connecting plate 71 and the second connecting plate 72 are fixedly connected with mounting blocks 75 symmetrically, the opposite sides of the mounting blocks 75 are rotatably sleeved with second air cylinders 76, the surface of the left mounting block 75 is fixedly connected with a rotary air cylinder 77, the inner side of the second connecting plate 72 is fixedly connected with a rubber pad 73, the connecting rods 74 are fixedly connected to the top of the frame 1, and the output end of the rotary air cylinder 77 is fixedly connected to one end of the mounting block 75.

[0033] S1, during conveying work, first place the storage bottle on the surface of the conveying chain 25, then start the servo motor 24, make the servo motor 24 drive the conveying chain 25 on the surface of the gear 23 to rotate, thereby drive the storage bottle to move, at the same time, the limiting rod 27 clamped by the clamping block 26 can prevent the storage bottle from falling.

[0034] S2, when the storage bottle moves to the lower of the injection device 6, stop the delivery of the delivery mechanism 2, and then start the second cylinder 76 connected to the mounting block 75, so that the extension end of the second cylinder 76 drives the first connecting plate 71 to retract, and pushes the storage bottle to be clamped by the rubber pad 73 on the surface of the second connecting plate 72, and then starts the rotary cylinder 77, so that the rotary cylinder 77 drives the second cylinder 76 to rotate, so that the protruding flaps on the surface of the second cylinder 76 block the storage bottle, so as to accurately position the storage bottle and avoid failure to inject.

[0035] S3, during the injection process, the first cylinder 4 is started, so that the extension end of the first cylinder 4 drives the second fixed plate 5 to descend, so that the injection head 613 enters the port of the storage bottle, and as it descends, the second sleeve plate 612 abuts against the storage bottle, and the sliding pipe 69 slides upward on the surface of the connecting pipe 64 through the baffle 65, at the same time, the first spring 66 is compressed, and the sliding block 68 slides in the inner cavity of the second sliding groove 615, and the air outlet 67 compresses the sliding rod 6102, so that the sliding rod 6102 slides in the sleeve pipe 6101 through the second spring 6105, and the sealing pad 6103 also slides in the inner cavity of the first sliding groove 614, so that the air outlet 67 is located in the inner cavity of the second sliding groove 615, the refrigerant enters the inner cavity of the connecting pipe 64 through the delivery pipe 63, and is discharged through the air outlet 67, and then enters the communication plate 611 through the first communication hole 616, and then enters the injection head 613 through the second communication hole 617, and finally is injected into the storage bottle through the injection head 613. When the injection is completed, the injection head 613 leaves the port of the storage bottle, and under the elastic force of the first spring 66 and the second spring 6105, the sliding pipe 69 is reset, the sliding rod 6102 is inserted into the inner cavity of the air outlet 67, and the air outlet 67 is sealed by the sealing pad 6103 and the sealing sleeve 6104, to prevent leakage of the air outlet 67.

[0036] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0037] It should be noted that in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment.

[0038] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. An air conditioning refrigerant injection device, comprising a frame (1) and a conveying mechanism (2), wherein a mounting plate (3) is fixedly connected to the top of the frame (1), and a first cylinder (4) is symmetrically fixedly connected to the top of the mounting plate (3), and a second fixing plate (5) is fixedly connected to the output end of each of the first cylinders (4), characterized in that: The surface of the second fixing plate (5) is symmetrically fixed with an injection device (6), and the bottom of the frame (1) is provided with a limiting mechanism (7). The injection device (6) includes a first sleeve plate (61), the top of which is fixedly sleeved with a delivery pipe (63) by bolts (62), the bottom of which is fixedly connected to a connecting pipe (64), a baffle (65) is fixedly sleeved on the surface of the connecting pipe (64), a first spring (66) is fixedly connected between the baffle (65) and the first sleeve plate (61), and air outlets (67) are symmetrically fixedly opened on the lower surface of the connecting pipe (64), and the lower surface of the connecting pipe (64) is symmetrically slidable by a slider (68). A sliding tube (69) is fitted with a sliding tube. A telescopic mechanism (610) and a connecting plate (611) are symmetrically arranged on the surface of the sliding tube (69). A second sleeve plate (612) is fixedly connected to the bottom of the sliding tube (69). An injection head (613) is provided at the bottom of the sliding tube (69). A first groove (614) and a second groove (615) are symmetrically fixedly opened in the inner cavity of the sliding tube (69). A first connecting hole (616) and a second connecting hole (617) are fixedly opened on the inner wall and the inner cavity of the lower surface of the sliding tube (69). The telescopic mechanism (610) includes a sleeve (6101), a sliding rod (6102) is slidably sleeved in the inner cavity of the sleeve (6101), a second spring (6105) is fixedly connected between the sliding rod (6102) and the sleeve (6101), a sealing gasket (6103) is fixedly sleeved on the surface of the sliding rod (6102), and a sealing sleeve (6104) is provided at one end of the sliding rod (6102).

2. The air conditioning refrigerant injection device according to claim 1, characterized in that: The limiting mechanism (7) includes a first connecting plate (71) and a second connecting plate (72). A connecting rod (74) is symmetrically fixedly connected to the surface of the second connecting plate (72). Mounting blocks (75) are symmetrically fixedly connected to the surfaces of the first connecting plate (71) and the second connecting plate (72). A second cylinder (76) is rotatably sleeved on the opposite side of the mounting block (75). A rotary cylinder (77) is fixedly connected to the surface of the mounting block (75) on the left side. A rubber pad (73) is fixedly connected to the inner side of the second connecting plate (72).

3. An air conditioning refrigerant injection device according to claim 2, characterized in that: The connecting rod (74) is fixedly connected to the top of the frame (1), and the output end of the rotary cylinder (77) is fixedly connected to one end of the mounting block (75).

4. An air conditioning refrigerant injection device according to claim 1, characterized in that: The conveying mechanism (2) includes a first fixed plate (21), a support rod (22) is symmetrically fixedly connected to the bottom of the first fixed plate (21), a gear (23) is symmetrically rotated and sleeved in the inner cavity of the first fixed plate (21), a conveying chain (25) is meshed and connected to the surface of the gear (23), a clamping block (26) is symmetrically fixedly connected to the top of the first fixed plate (21), a limit rod (27) is movably sleeved in the inner cavity of the clamping block (26), and a servo motor (24) is fixedly connected to the surface of the first fixed plate (21).

5. An air conditioning refrigerant injection device according to claim 4, characterized in that: The first fixing plate (21) is located in the inner cavity at the bottom of the frame (1). The output end of the servo motor (24) passes through the surface of the first fixing plate (21) and is fixedly connected to one end of the gear (23).

6. An air conditioning refrigerant injection device according to claim 1, characterized in that: The first sleeve plate (61) is fixedly connected to the surface of the second fixed plate (5), and the first connecting hole (616) and the second connecting hole (617) are both connected to the connecting plate (611).

7. An air conditioning refrigerant injection device according to claim 1, characterized in that: The top of the injection head (613) is connected to the second connecting hole (617), and the sealing gasket (6103) and the slider (68) are respectively slidably sleeved in the inner cavity of the first groove (614) and the second groove (615).

8. An air conditioning refrigerant injection device according to claim 1, characterized in that: The sleeve (6101) is fixedly connected to the surface of the sliding tube (69), and the sliding rod (6102) is slidably sleeved in the inner cavity of the sliding tube (69).

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