Refrigerating device capable of controlling refrigerant quantity

Abstract

The utility model relates to the technical field of refrigerant quantity control refrigerating devices, in particular to a refrigerant quantity control refrigerating device which comprises a heat exchanger, a heat exchange pipe is installed on the inner wall of the heat exchanger, a flow dividing nozzle is installed on the inner wall of one end of the heat exchange pipe, a shell is arranged on one side of the heat exchanger, and a hose is fixedly connected to the inner wall of one end of the shell. And a refrigerant pipe body is in clearance fit with one side of the outer wall of the hose. Through cooperation of a heat exchanger, a heat exchange pipe, a shell, a refrigerant pipe body, a hose, a transverse rod, a straight barrel, a flow dividing nozzle and an adjusting structure, when the device is used, a motor can drive a threaded rod to rotate, the threaded rod drives a bent plate to move downwards, the bent plate drives a round roller to move downwards, the round roller drives an inclined block to move leftwards, and the inclined block drives a plate body to move leftwards; and therefore, the injection amount of the refrigerant can be reduced, uniform injection of the refrigerant can be guaranteed when the refrigerant is controlled to be small, and the refrigerant injection device is convenient for workers to use.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigerant quantity controlled refrigeration devices, in particular to a refrigerant quantity controlled refrigeration device. Background Art

[0002] Refrigerant, also known as refrigerant, is an indispensable medium for the use of air conditioning. It is the working medium of the refrigeration cycle and uses the phase change of the refrigerant to transfer heat. The refrigerant absorbs heat when it vaporizes in the evaporator and releases heat when it condenses in the condenser.

[0003] There is a refrigerant flow regulating device for air conditioning (application number: 202020122643.4), which realizes uniform regulation of refrigerant in heat exchange tube, improves heat exchange efficiency when air conditioner is working, and reduces loss of air conditioner energy efficiency. The above-mentioned problem still exists. When controlling the refrigerant, the above-mentioned device is provided with a diverter nozzle on the heat exchange tube, and a guide seam is processed on the inner side of the diverter nozzle. At this time, the refrigerant is injected into the cavity. After the cavity is full, the pressure continues to increase, so that the refrigerant evenly passes through the diverter nozzle into the heat exchange tube, thereby realizing control of the refrigerator. However, when the refrigerant does not need to be injected in large quantities, it is easy for the cavity to fail to be filled, resulting in insufficient pressure. When the refrigerant cannot enter the heat exchange tube, it is not convenient to control the refrigerant when it is less to ensure uniform injection of the refrigerant, and it is not convenient for the staff to use it. When the refrigerant is transported, it is not convenient to quickly connect the refrigerant tube body and the hose, and it is not convenient for the staff to operate it. Utility Model Content

[0004] The utility model aims to solve the shortcomings of the prior art, such as inconvenience in controlling the uniform injection of refrigerant when the refrigerant is less, inconvenience for staff to use, inconvenience in quickly connecting the refrigerant pipe body and the hose, and inconvenience for staff to operate, and proposes a refrigerant quantity control refrigeration device.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A refrigerant quantity control refrigeration device is designed, comprising a heat exchanger, a heat exchange tube is installed on the inner wall of the heat exchanger, a diverter nozzle is installed on the inner wall of one end of the heat exchange tube, a shell is provided on one side of the heat exchanger, a hose is fixedly connected to the inner wall of one end of the shell, a refrigerant tube body is gap-fitted on one side of the outer wall of the hose, a vertical plate is fixedly connected to one side of the outer wall of the refrigerant tube body and the outer wall of the hose, a cross bar is fixedly connected to one end of the inner wall of the shell, a straight cylinder is gap-fitted on one side of the outer wall of the cross bar, an adjustment structure is provided on one side of the straight cylinder, and a connecting structure is provided on one side of the vertical plate.

[0007] Preferably, the adjusting structure includes a plate body, the outer side of one end of the plate body is fixedly connected to one end of the straight cylinder, the outer wall of the plate body is fixedly connected to a rubber sleeve, the outer wall of the rubber sleeve is fitted with the inner wall of the shell, an inclined block is fixedly connected to the upper side of one side of the plate body, a round roller is fitted on the top side of the inclined block, the front end surface of the round roller is rotatably connected to a curved plate through a pin shaft, one side of the outer wall of the curved plate is clearance-matched with a groove above one side of the inner wall of the shell, a threaded rod is threadedly connected to the inner wall of the curved plate, the upper side of the outer wall of the threaded rod is rotatably connected to the inner wall of the other side of the top of the shell through a bearing, the top of the threaded rod is fixedly connected to the output end of the motor, the bottom of the motor is fixedly connected to one side of the top of the shell, a spring 1 is fixedly connected to the lower side of one side of the plate body, and one end of the spring 1 is fixedly connected to the lower side of one side of the inner wall of the shell.

[0008] Preferably, a vertical block is fixedly connected to the bottom of the inner wall of the shell.

[0009] Preferably, a filter screen is provided in the outer wall gap of the vertical block, the upper part of the outer wall of the filter screen is gap-matched with the inner wall gap on one side of the top of the shell, and the inner wall on one side of the filter screen is threadedly connected with the top inner wall of the shell via bolts.

[0010] Preferably, a slot block is fixedly connected to the outer side of one end of the shell.

[0011] Preferably, the connecting structure includes a cylinder body, one end of the cylinder body is fixedly connected to the outer side of one end of a vertical plate on one side, the other end of the cylinder body is fitted with a rod body in the inner wall gap, one end of the rod body is fixedly connected to the outer side of one end of the vertical plate on the other side, one side of the outer wall of the cylinder body is fixedly connected to a square cylinder, one end of the square cylinder is fitted with an insertion rod in the inner wall gap, one side of the outer wall of the insertion rod is fitted with a clearance between the inner wall of one side of the cylinder body and a groove on one side of the rod body, and the other side of the outer wall of the insertion rod is fitted with a spring 2 in the clearance, and the upper and lower ends of the spring 2 are respectively fixedly connected to one end of the inner wall of the square cylinder and one side of the outer wall of the insertion rod.

[0012] The utility model proposes a refrigerant quantity control refrigeration device, which has the beneficial effect that: through the cooperation of the heat exchanger, the heat exchange tube, the shell, the refrigerant tube body, the hose, the cross bar, the straight cylinder, the diverter nozzle and the adjustment structure, the device can be driven by the motor to rotate the threaded rod, the threaded rod drives the curved plate to move downward, the curved plate drives the round roller to move downward, the round roller drives the inclined block to move leftward, the inclined block drives the plate body to move leftward, and then the cavity on the left side of the shell is reduced, and then the injection amount of the refrigerant can be reduced, which is convenient for controlling the uniform injection of the refrigerant when the refrigerant is less, and is convenient for the staff to use;

[0013] Through the coordination of the hose, the vertical plate, the refrigerant tube and the connecting structure, when the device is in use, the refrigerant tube body can be inserted into one side of the outer wall of the hose, and at the same time the rod body can be inserted into the inner wall of the cylinder body. The second spring drives the insertion rod to move inward, so that the insertion rod is inserted into the inner walls of the cylinder body and the rod body, thereby achieving fixation of the hose and the refrigerant tube body, facilitating quick connection of the refrigerant tube body and the hose, and facilitating operation by the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the housing, vertical blocks and filter screen of the utility model;

[0016] Figure 3 It is a schematic diagram of the structure of the round roller, curved plate and threaded rod of the utility model;

[0017] Figure 4 This is a schematic diagram of the straight block, the oblique cylinder and the screw structure of the utility model;

[0018] Figure 5 It is a schematic diagram of the structure of the crossbar, straight tube and plate body of the utility model;

[0019] Figure 6 It is a schematic diagram of the square tube, the insert rod and the spring structure of the utility model.

[0020] In the figure: 1. heat exchanger, 2. adjusting structure, 2a1. plate body, 2a2. rubber sleeve, 2a3. round roller, 2a4. curved plate, 2a5. threaded rod, 2a6. oblique block, 2a7. spring one, 2a8. motor, 2b1. straight block, 2b2. oblique cylinder, 2b3. screw, 3. connecting structure, 301. square cylinder, 302. rod body, 303. cylinder body, 304. plug rod, 305. spring two, 4. heat exchange tube, 5. shell, 6. vertical block, 7. filter screen, 8. slot block, 9. refrigerant tube body, 10. hose, 11. vertical plate, 12. horizontal bar, 13. straight cylinder, 14. diverter nozzle. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings:

[0022] Embodiment 1:

[0023] Refer to the attached Figure 1-6In the present embodiment, a refrigerant quantity control refrigeration device comprises a heat exchanger 1, a heat exchange tube 4 is installed on the inner wall of the heat exchanger 1, a diverter nozzle 14 is installed on the inner wall of one end of the heat exchange tube 4, a guide seam is processed on the inner side of the diverter nozzle 14, a shell 5 is provided on one side of the heat exchanger 1, a rubber ring is fixedly connected to one end of the shell 5, and the rubber ring plays a sealing role, a hose 10 is fixedly connected to the inner wall of one end of the shell 5, a refrigerant tube body 9 is gap-fitted on one side of the outer wall of the hose 10, a sealing ring is fixedly connected on one side of the outer wall of the hose 10, a vertical plate 11 is fixedly connected to one side of the outer wall of the refrigerant tube body 9 and the hose 10, a cross bar 12 is fixedly connected to one end of the inner wall of the shell 5, a straight cylinder 13 is gap-fitted on one side of the outer wall of the cross bar 12, and the cross bar 12 plays a role in the straight cylinder 13 moving left and right when it is subjected to force The shell 5 has a limiting effect. The bottom of the inner wall of the shell 5 is fixedly connected with a vertical block 6. The outer wall gap of the vertical block 6 is matched with a filter screen 7. The upper part of the outer wall of the filter screen 7 is matched with the inner wall gap on the top side of the shell 5. The inner wall on the top side of the shell 5 is fixedly connected with a rubber pad, which plays a sealing role. The inner wall of one side of the filter screen 7 is threadedly connected to the top inner wall of the shell 5 by bolts. The material and mesh number of the filter screen 7 are determined according to actual usage. A groove block 8 is fixedly connected to the outside of one end of the shell 5. An adjustment structure 2 is provided on one side of the straight cylinder 13, and a connecting structure 3 is provided on one side of the vertical plate 11. The adjustment structure 2 is convenient for controlling the refrigerant to ensure uniform injection of the refrigerant when the refrigerant is less, which is convenient for the staff to use. The connecting structure 3 is convenient for quickly connecting the refrigerant pipe body 9 and the hose 10, which is convenient for the staff to operate.

[0024] The adjustment structure 2 includes a plate body 2a1, one end of the plate body 2a1 is fixedly connected to one end of the straight tube 13, the outer wall of the plate body 2a1 is fixedly connected to a rubber sleeve 2a2, the rubber sleeve 2a2 plays a sealing role, the outer wall of the rubber sleeve 2a2 fits the inner wall of the shell 5, an inclined block 2a6 is fixedly connected to the upper side of one side of the plate body 2a1, a round roller 2a3 is fitted to the top side of the inclined block 2a6, the front end surface of the round roller 2a3 is rotatably connected to a curved plate 2a4 through a pin shaft, one side of the outer wall of the curved plate 2a4 is gap-matched with the groove on the upper side of the inner wall of the shell 5, and the groove on the upper side of the inner wall of the shell 5 plays a limiting role when the curved plate 2a4 moves up and down under force The inner wall of the curved plate 2a4 is threadedly connected with a threaded rod 2a5, and the upper outer wall of the threaded rod 2a5 is rotatably connected to the inner wall on the other side of the top of the shell 5 through a bearing, and the top of the threaded rod 2a5 is fixedly connected to the output end of the motor 2a8. The model of the motor 2a8 is determined according to the actual use situation. The bottom of the motor 2a8 is fixedly connected to one side of the top of the shell 5. A spring 2a7 is fixedly connected to the lower side of one side of the plate body 2a1. The spring 2a7 gives the plate body 2a1 a rightward force, and one end of the spring 2a7 is fixedly connected to the lower side of the inner wall of the shell 5, which is convenient for controlling the refrigerant when the refrigerant is less to ensure uniform injection of the refrigerant, and is convenient for the staff to use.

[0025] The connecting structure 3 includes a cylinder 303, one end of which is fixedly connected to the outer side of one end of the vertical plate 11 on one side, and a rod body 302 is fitted in the inner wall gap of the other end of the cylinder 303, one end of the rod body 302 is fixedly connected to the outer side of one end of the vertical plate 11 on the other side, and a square cylinder 301 is fixedly connected to one side of the outer wall of the cylinder 303, and a plug rod 304 is fitted in the inner wall gap of one end of the square cylinder 301, and one side of the outer wall of the plug rod 304 is fitted with a gap, and one side of the outer wall of the plug rod 304 is fitted with a gap between the inner wall of one side of the cylinder 303 and the groove of one side of the rod body 302, and a spring 2 305 is fitted in the gap on the other side of the outer wall of the plug rod 304, and the spring 2 305 gives the plug rod 304 an inward force, and the upper and lower ends of the spring 2 305 are respectively fixedly connected to one end of the inner wall of the square cylinder 301 and one side of the outer wall of the plug rod 304, so as to facilitate the quick connection of the refrigerant pipe body 9 and the hose 10, and facilitate the operation of the staff.

[0026] Working principle:

[0027] When connecting the refrigerant pipe body 9:

[0028] The refrigerant tube body 9 is inserted into one side of the outer wall of the hose 10, and the rod body 302 is inserted into the inner wall of the cylinder body 303. The second spring 305 drives the insertion rod 304 to move inward, so that the insertion rod 304 is inserted into the inner wall of the cylinder body 303 and the rod body 302, thereby fixing the hose 10 and the refrigerant tube body 9;

[0029] When injecting refrigerant:

[0030] The motor 2a8 starts to work, and the motor 2a8 drives the threaded rod 2a5 to rotate, and the threaded rod 2a5 drives the curved plate 2a4 to move downward, and the curved plate 2a4 drives the round roller 2a3 to move downward, and the round roller 2a3 drives the inclined block 2a6 to move leftward, and the inclined block 2a6 drives the plate body 2a1 to move leftward, thereby reducing the cavity on the left side of the shell 5, and the refrigerant passes through the refrigerant tube body 9 and the hose 10 into the left cavity of the shell 5, and the filter screen 7 can break the bubbles in the refrigerant. After the left cavity is full, the pressure will open the guide seam on the inner side of the diverter nozzle 14, so that the refrigerant enters the heat exchange tube 4, thereby realizing uniform adjustment of the refrigerant in the heat exchange tube 4.

[0031] Embodiment 2:

[0032] Refer to the attached Figure 1-6 In the present embodiment, a refrigerant quantity control refrigeration device is provided, wherein the adjustment structure 2 may further include a straight block 2b1, one end of the straight block 2b1 is fixedly connected to one side of the outer wall of the heat exchanger 1, the outer wall of the straight block 2b1 is gap-matched with the inner wall of one end of the groove block 8, one side of the straight block 2b1 is provided with an inclined cylinder 2b2, the outer wall of the inclined cylinder 2b2 is fixedly connected to the inner wall of one side of the groove block 8, the inner wall gap of the inclined cylinder 2b2 is gap-matched with a screw 2b3, and one side of the outer wall of the screw 2b3 is threadedly connected to the inner wall of the straight block 2b1.

[0033] Working principle:

[0034] Insert the groove block 8 into the outer wall of the straight block 2b1, insert the screw 2b3 into the inclined cylinder 2b2, and rotate the screw 2b3 to make the screw 2b3 enter the inner wall of the straight block 2b1, thereby realizing the connection between the shell 5 and the heat exchanger 1, which is convenient for the staff to operate.

[0035] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A refrigerant quantity control refrigeration device, comprising a heat exchanger (1), characterized in that: A heat exchange tube (4) is installed on the inner wall of the heat exchange tube (1), and a diverter nozzle (14) is installed on the inner wall of one end of the heat exchange tube (4). A shell (5) is provided on one side of the heat exchanger (1), and a hose (10) is fixedly connected to the inner wall of one end of the shell (5), and a refrigerant tube body (9) is gap-fitted on one side of the outer wall of the hose (10). A vertical plate (11) is fixedly connected to one side of the outer wall of the refrigerant tube body (9) and the hose (10), and a cross bar (12) is fixedly connected to one end of the inner wall of the shell (5), and a straight tube (13) is gap-fitted on one side of the outer wall of the cross bar (12). An adjustment structure (2) is provided on one side of the straight tube (13), and a connection structure (3) is provided on one side of the vertical plate (11).

2. A refrigerant quantity control refrigeration device according to claim 1, characterized in that: The regulating structure (2) comprises a plate body (2a1), one end of the plate body (2a1) is fixedly connected to one end of the straight cylinder (13) on the outer side, the outer wall of the plate body (2a1) is fixedly connected to a rubber sleeve (2a2), the outer wall of the rubber sleeve (2a2) is in contact with the inner wall of the shell (5), an inclined block (2a6) is fixedly connected to the upper side of one side of the plate body (2a1), a round roller (2a3) is in contact with the top side of the inclined block (2a6), the front end surface of the round roller (2a3) is rotatably connected to a curved plate (2a4) via a pin shaft, and one side of the outer wall of the curved plate (2a4) is in contact with the inner wall of the shell (5). The inner wall of the curved plate (2a4) is threadedly connected to a threaded rod (2a5); the outer wall of the threaded rod (2a5) is rotatably connected to the inner wall of the other side of the top of the housing (5) through a bearing; the top of the threaded rod (2a5) is fixedly connected to the output end of the motor (2a8); the bottom of the motor (2a8) is fixedly connected to the top side of the housing (5); a spring (2a7) is fixedly connected to the bottom of one side of the plate body (2a1); one end of the spring (2a7) is fixedly connected to the bottom of one side of the inner wall of the housing (5).

3. A refrigerant quantity control refrigeration device according to claim 1, characterized in that: A vertical block (6) is fixedly connected to the bottom of the inner wall of the shell (5).

4. A refrigerant quantity control refrigeration device according to claim 3, characterized in that: The outer wall gap of the vertical block (6) is matched with a filter screen (7), the upper part of the outer wall of the filter screen (7) is matched with the inner wall gap of one side of the top of the shell (5), and the inner wall of one side of the filter screen (7) is threadedly connected with the inner wall of the top of the shell (5) through bolts.

5. A refrigerant quantity control refrigeration device according to claim 1, characterized in that: A slot block (8) is fixedly connected to the outer side of one end of the housing (5).

6. A refrigerant quantity control refrigeration device according to claim 1, characterized in that: The connection structure (3) comprises a cylinder (303), one end of the cylinder (303) is fixedly connected to the outer side of one end of the vertical plate (11) on one side, the inner wall gap of the other end of the cylinder (303) is fitted with a rod body (302), one end of the rod body (302) is fixedly connected to the outer side of one end of the vertical plate (11) on the other side, one side of the outer wall of the cylinder (303) is fixedly connected to a square cylinder (301), one end of the inner wall gap of the square cylinder (301) is fitted with an insertion rod (304), one side of the outer wall of the insertion rod (304) is fitted with an inner wall gap of one side of the cylinder (303) and a groove of one side of the rod body (302), and the other side of the outer wall of the insertion rod (304) is fitted with a spring 2 (305), and the upper and lower ends of the spring 2 (305) are respectively fixedly connected to one end of the inner wall of the square cylinder (301) and one side of the outer wall of the insertion rod (304).

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