Refrigerator car refrigeration unit convenient to clean

Abstract

The utility model discloses a refrigerator car refrigeration unit convenient to clean, which comprises a base and an outer unit body, the outer unit body is mounted at the top end of the base, a refrigeration inner unit is mounted on the side wall of the outer unit body, a box cover is arranged outside the refrigeration inner unit, two groups of servo motors are symmetrically mounted inside the refrigeration inner unit, and the servo motors are connected with the box cover. The output ends of the servo motors are provided with threaded rods, the threaded rods are movably connected with the refrigeration inner unit, the surfaces of the threaded rods are sleeved with threaded sleeves, the threaded sleeves are in threaded connection with the threaded rods, the threaded sleeves are in sliding connection with the refrigeration inner unit, and one ends of the threaded sleeves are provided with third air cylinders. According to the utility model, not only are convenient unfolding and air injection for dust cleaning and convenient linkage clamping for opening and closing of the box door realized, so that folding storage protection and rapid disassembly and cleaning of the box door are facilitated, but also the protection effect is increased, and the cleaning convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigeration units, in particular to a refrigeration unit for a refrigeration vehicle which is easy to clean. Background Art

[0002] A refrigerator is a machine that transfers heat from a cooled object with a lower temperature to an ambient medium to obtain cooling. The heat transferred from the object with a lower temperature is usually called cooling. The working fluid participating in the thermal process change in the refrigerator is called refrigerant. The refrigeration temperature range is usually above 120K, and below 120K belongs to the deep low temperature technology range. Refrigerator is widely used in industrial and agricultural production and daily life. Traditional refrigeration units need to be disassembled and cleaned when cleaning, which is inconvenient. In order to improve this situation, a refrigeration unit for a refrigerated truck that is easy to clean is proposed.

[0003] For example, a refrigeration unit for a refrigerated vehicle disclosed in the authorization announcement number CN218410421U includes a refrigeration unit module, the refrigeration unit module includes a refrigeration unit body and a shell, the shell is connected to the refrigerated compartment, and the shell and the refrigerated compartment form an installation chamber, a support plate is arranged in the installation chamber, the condenser, the liquid storage filter dryer, the compressor and the expansion valve are arranged on the support plate, the evaporator is arranged in the refrigerated compartment, and the installation chamber is located between the support plate and the shell and is provided with a shock absorbing assembly; the refrigeration unit module is also provided with a backup power module;

[0004] Although it can absorb vibrations in all directions by setting up a shock-absorbing component, it not only avoids the generation of resonance, but also protects the refrigeration unit body very well, especially avoids damage to the refrigeration unit body when subjected to high-impact vibration, and can intelligently switch between the battery and the vehicle power supply system to the refrigeration unit body for power supply, thereby reducing vehicle energy consumption and achieving the purpose of energy saving and environmental protection;

[0005] However, the problem that the existing refrigeration units are not convenient for the convenient deployment of jets to clean dust and the convenient linkage clamping to open and close the door during use, are not convenient for folding and storing protection and for quick disassembly and cleaning of the door, thus affecting the convenience of cleaning. Utility Model Content

[0006] The purpose of the utility model is to provide a refrigeration unit for a refrigerated vehicle that is easy to clean, so as to solve the problem in the above-mentioned background technology that the refrigeration unit is not convenient for conveniently launching jets to clean dust and conveniently linking and clamping the door to open and close, is not conducive to folding and storing protection and rapid disassembly and cleaning of the door, thus affecting the convenience of cleaning.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a refrigeration unit for a refrigerated vehicle that is easy to clean, comprising a base and an external machine body, the external machine body is installed on the top of the base, a refrigerating inner machine is installed on the side wall of the external machine body, a box cover is arranged on the outside of the refrigerating inner machine, two groups of servo motors are symmetrically installed inside the refrigerating inner machine, the output ends of the servo motors are all installed with threaded rods, and the threaded rods are movably connected to the refrigerating inner machine, the surfaces of the threaded rods are all covered with threaded sleeves, and the threaded sleeves are threadedly connected to the threaded rods, and the threaded sleeves are slidably connected to the refrigerating inner machine, a third cylinder is installed at one end of the threaded sleeves, three groups of support rods with equal spacing are installed on the side walls of the third cylinder, and the support rods are movably connected to the third cylinder, a support block is installed at the output end of the third cylinder, a clamp is installed at one end of the support rod away from the third cylinder, a hinge shaft is installed at one end of the clamp close to the support rod, and the clamp is movably connected to the support rod through the hinge shaft, and the clamp is movably connected to the support block.

[0008] Preferably, two groups of clamping blocks are symmetrically installed on one end of the box cover close to the refrigeration internal unit, and the clamping blocks are fixedly connected to the box cover.

[0009] Preferably, two sets of electric push rods are installed inside the base, and the electric push rods are fixedly connected to the base.

[0010] Preferably, a support arm is installed at the output end of the electric push rod, and the support arm is fixedly connected to the electric push rod.

[0011] Preferably, a rotating arm is installed at the bottom end of the support arm, a linkage shaft is installed at one end of the rotating arm close to the support arm, and the rotating arm is movably connected to the support arm through the linkage shaft, a first cylinder is movably installed on the side wall of the support arm, and the output end of the first cylinder is movably connected to the rotating arm.

[0012] Preferably, a connecting block is movably installed at one end of the rotating arm away from the supporting arm, a folding arm is installed on one side of the connecting block, an air pump is installed on the top of the folding arm, a nozzle is installed on the top of the folding arm on one side of the air pump, and the nozzle is connected to the air pump.

[0013] Preferably, a second cylinder is movably installed inside the rotating arm, and a clamping shaft is installed at the output end of the second cylinder.

[0014] Preferably, a long connecting rod is movably mounted on the side wall of the rotating arm, and the long connecting rod is movably connected to the clamping shaft, and a short connecting rod is movably mounted on the other side of the connecting block, and the short connecting rod is movably connected to the clamping shaft.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the refrigeration unit not only realizes convenient spraying to clean dust and convenient linkage clamping to open and close the door, facilitates folding and storage protection and quick disassembly and cleaning of the door, but also increases the protection effect and improves the convenience of cleaning;

[0016] (1) The unit is first installed on a refrigerated truck and connected to an external controller and circuit. After a period of use, dust will accumulate on the outer surface of the outer body. The support arm is driven by an electric push rod to move to the outside of the base. The first cylinder drives the rotating arm to rotate with the linkage shaft as the axis. The second cylinder drives the clamping shaft to move. The clamping shaft drives the short connecting rod to rotate. The short connecting rod drives the connecting block to rotate. The connecting block drives the folding arm to rotate, so that the folding arm changes from a folded state to an unfolded state. The air pump is turned on by external control, and the air pump ejects the gas inside through the nozzle to spray high-speed gas onto the outer shell surface of the outer body to blow and clean the dust on the outer shell surface of the outer body. After cleaning, the reverse operation is performed to fold and store the folding arm and move it back to the inside of the base to complete the folding and storage protection, thereby realizing convenient unfolding and jetting to clean dust, facilitating folding and storage protection, increasing the protection effect, and extending the service life.

[0017] (2) The threaded rod is driven to rotate by a servo motor, the threaded rod drives the threaded sleeve to move, and the threaded sleeve drives the third cylinder to move, so that the third cylinder moves to the outside of the refrigeration unit, the support block is driven to move by the third cylinder, and the clamping jaws are driven to rotate with the hinge axis as the axis by the support block, so that the three groups of clamping jaws are changed from the clamping state to the unfolding state, so that the three groups of clamping jaws are away from the clamping block, so as to facilitate the separation of the box cover from the clamping jaws, so as to facilitate the cleaning of the box cover. When the box cover is cleaned, the reverse operation as above can complete the clamping and fixing of the box cover, and make the box cover fit with the refrigeration unit, realizing convenient linkage clamping to open and close the box door, facilitating the rapid disassembly and cleaning of the box door, and improving the convenience of cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 It is a three-dimensional structural schematic diagram of the refrigeration indoor unit of the utility model;

[0020] Figure 3 It is a front view cross-sectional structural diagram of the base of the utility model;

[0021] Figure 4 It is a schematic diagram of the three-dimensional structure of the folding arm of the utility model;

[0022] Figure 5It is a schematic diagram of a top cross-sectional structure of a refrigeration indoor unit of the utility model;

[0023] Figure 6 It is a schematic diagram of the top view of the clamping jaw of the utility model.

[0024] In the figure: 1. base; 2. electric push rod; 3. hinge shaft; 4. support arm; 5. external unit body; 6. refrigeration internal unit; 7. air pump; 8. nozzle; 9. linkage shaft; 10. first cylinder; 11. rotating arm; 12. long connecting rod; 13. second cylinder; 14. clamping shaft; 15. short connecting rod; 16. connecting block; 17. folding arm; 18. servo motor; 19. threaded rod; 20. threaded sleeve; 21. third cylinder; 22. clamping block; 23. box cover; 24. support rod; 25. clamping claw; 26. support block. DETAILED DESCRIPTION

[0025] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0026] See also Figure 1-6 The utility model provides an embodiment: a refrigeration unit for a refrigerated vehicle that is easy to clean, comprising a base 1 and an external machine body 5, the external machine body 5 is installed on the top of the base 1, a refrigeration machine 6 is installed on the side wall of the external machine body 5, a box cover 23 is arranged outside the refrigeration machine 6, two groups of servo motors 18 are symmetrically installed inside the refrigeration machine 6, the servo motor 18 plays a role of power drive, the output ends of the servo motors 18 are all installed with threaded rods 19, and the threaded rods 19 are movably connected to the refrigeration machine 6, the surfaces of the threaded rods 19 are all covered with threaded sleeves 20, and the threaded sleeves 20 are threadedly connected to the threaded rods 19, and The threaded sleeve 20 is slidably connected to the refrigeration unit 6, and a third cylinder 21 is installed at one end of the threaded sleeve 20. The third cylinder 21 plays a role of power drive. Three groups of support rods 24 with equal spacing are installed on the side walls of the third cylinder 21, and the support rods 24 are movably connected to the third cylinder 21. A support block 26 is installed at the output end of the third cylinder 21. A clamping claw 25 is installed at one end of the support rod 24 away from the third cylinder 21. A hinge shaft 3 is installed at one end of the clamping claw 25 close to the support rod 24, and the clamping claw 25 is movably connected to the support rod 24 through the hinge shaft 3, and the clamping claw 25 is movably connected to the support block 26;

[0027] First, the unit is installed on the refrigerated truck and connected to the external controller and circuit. After a period of use, dust will fall on the outer surface of the outer machine body 5. The electric push rod 2 is opened by external control, and the electric push rod 2 drives the support arm 4 to move, so that the support arm 4 moves to the outside of the base 1. The first cylinder 10 is opened by external control. Under the support of the support arm 4, the first cylinder 10 drives the rotating arm 11 to rotate around the linkage shaft 9. The second cylinder 13 is opened by external control, and the second cylinder 13 drives the clamping shaft 14 to move. Under the active support of the long connecting rod 12, the clamping shaft 14 drives the short connecting rod 15 to rotate, and the short connecting rod 15 is driven by the short connecting rod 15 to rotate. The connecting rod 15 drives the connecting block 16 to rotate, and the connecting block 16 drives the folding arm 17 to rotate, so that the folding arm 17 changes from a folded state to an unfolded state, and the air pump 7 is turned on by external control, and the air pump 7 ejects the gas inside through the nozzle 8, so that the high-speed gas is sprayed to the outer shell surface of the outer machine body 5, so as to blow and clean the dust on the outer shell surface of the outer machine body 5. After the cleaning is completed, the reverse operation is performed to fold and store the folding arm 17 and move it back to the inside of the base 1 to complete the folding and storage protection, thereby realizing convenient unfolding and jetting to clean dust, facilitating the folding and storage protection, increasing the protection effect, and extending the service life;

[0028] Two sets of clamping blocks 22 are symmetrically installed at one end of the box cover 23 close to the refrigeration unit 6, and the clamping blocks 22 are fixedly connected to the box cover 23. Two sets of electric push rods 2 are installed inside the base 1. The electric push rods 2 play a role of power drive, and the electric push rods 2 are fixedly connected to the base 1.

[0029] The output end of the electric push rod 2 is equipped with a support arm 4, and the support arm 4 is fixedly connected to the electric push rod 2;

[0030] A rotating arm 11 is installed at the bottom end of the support arm 4, and a linkage shaft 9 is installed at one end of the rotating arm 11 close to the support arm 4, and the rotating arm 11 is movably connected to the support arm 4 through the linkage shaft 9. A first cylinder 10 is movably installed on the side wall of the support arm 4, and the first cylinder 10 plays a role of power drive, and the output end of the first cylinder 10 is movably connected to the rotating arm 11;

[0031] The end of the rotating arm 11 away from the supporting arm 4 is movably mounted with a connecting block 16, and one side of the connecting block 16 is mounted with a folding arm 17, and the top of the folding arm 17 is mounted with an air pump 7, and the air pump 7 plays a role of power drive, and the top of the folding arm 17 on one side of the air pump 7 is mounted with a nozzle 8, and the nozzle 8 is connected to the air pump 7;

[0032] A second cylinder 13 is movably installed inside the rotating arm 11, and the second cylinder 13 plays a role of power driving. A clamping shaft 14 is installed at the output end of the second cylinder 13. A long connecting rod 12 is movably installed on the side wall of the rotating arm 11, and the long connecting rod 12 is movably connected to the clamping shaft 14. A short connecting rod 15 is movably installed on the other side of the connecting block 16, and the short connecting rod 15 is movably connected to the clamping shaft 14.

[0033] When it is necessary to clean the box cover 23, the servo motor 18 is turned on by external control, and the servo motor 18 drives the threaded rod 19 to rotate. Under the threaded connection between the threaded rod 19 and the threaded sleeve 20, and under the sliding cooperation between the threaded sleeve 20 and the refrigerator 6, the threaded rod 19 drives the threaded sleeve 20 to move, and the threaded sleeve 20 drives the third cylinder 21 to move, so that the third cylinder 21 moves to the outside of the refrigerator 6, and the third cylinder 21 is turned on by external control, and the third cylinder 21 drives the support block 26 to move, and the movable support of the support rod 24 is opened. The support block 26 drives the clamping jaws 25 to rotate around the hinge shaft 3, so that the three groups of clamping jaws 25 are transformed from the clamping state to the unfolding state, so that the three groups of clamping jaws 25 are away from the clamping block 22, so as to facilitate the separation of the box cover 23 from the clamping jaws 25, so as to facilitate the cleaning of the box cover 23. When the box cover 23 is cleaned, the reverse operation as above can complete the clamping and fixing of the box cover 23, and make the box cover 23 fit with the refrigeration indoor unit 6, realizing convenient linkage clamping to open and close the box door, facilitating the rapid disassembly and cleaning of the box door, and improving the convenience of cleaning.

[0034] Working principle: first install the unit on the refrigerated truck and connect it to the external controller and circuit. After using it for a period of time, dust will fall on the outer surface of the outer body 5. The electric push rod 2 drives the support arm 4 to move, so that the support arm 4 moves to the outside of the base 1. The first cylinder 10 drives the rotating arm 11 to rotate with the linkage shaft 9 as the axis. The second cylinder 13 drives the clamping shaft 14 to move. The clamping shaft 14 drives the short connecting rod 15 to rotate. The short connecting rod 15 drives the connecting block 16 to rotate. The connecting block 16 drives the folding arm 17 to rotate, so that the folding arm 17 changes from a folded state to an unfolded state. The air pump 7 is turned on by external control, and the air pump 7 ejects the gas inside it through the nozzle 8, so that the high-speed gas is sprayed to the outer shell surface of the outer body 5 to blow and clean the dust on the outer shell surface of the outer body 5. After cleaning, the reverse operation is performed to fold and store the folding arm 17 and move it back to the inside of the base 1. , to complete the folding storage protection, when it is necessary to clean the box cover 23, the servo motor 18 drives the threaded rod 19 to rotate, the threaded rod 19 drives the threaded sleeve 20 to move, and the threaded sleeve 20 drives the third cylinder 21 to move, so that the third cylinder 21 moves to the outside of the refrigeration machine 6, and the third cylinder 21 is opened by external control, and the support block 26 is driven by the third cylinder 21 to move. Under the active support of the support rod 24, the support block 26 drives the clamping claw 25 to rotate around the hinge shaft 3 as the axis, so that the three groups of clamping claws 25 are changed from the clamping state to the unfolding state, so that the three groups of clamping claws 25 are away from the clamping block 22, so as to facilitate the separation of the box cover 23 from the clamping claw 25, so as to facilitate the cleaning of the box cover 23. When the box cover 23 is cleaned, the reverse operation as above can complete the clamping and fixing of the box cover 23, and make the box cover 23 fit with the refrigeration machine 6, so as to complete the use of the refrigeration unit of the refrigeration vehicle that is easy to clean.

[0035] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A refrigeration unit for a refrigerated vehicle that is easy to clean, comprising a base (1) and an external unit body (5), characterized in that: An external machine body (5) is installed on the top of the base (1), a refrigerating machine (6) is installed on the side wall of the external machine body (5), a box cover (23) is arranged outside the refrigerating machine (6), two groups of servo motors (18) are symmetrically installed inside the refrigerating machine (6), the output ends of the servo motors (18) are all installed with threaded rods (19), and the threaded rods (19) are movably connected to the refrigerating machine (6), the surfaces of the threaded rods (19) are all covered with threaded sleeves (20), and the threaded sleeves (20) are threadedly connected to the threaded rods (19), and the threaded sleeves (20) are slidably connected to the refrigerating machine (6), and the threaded sleeves (20) are slidably connected to the refrigerating machine (6). A third cylinder (21) is installed at one end of the sleeve (20), three groups of support rods (24) are installed at equal intervals on the side wall of the third cylinder (21), and the support rods (24) are movably connected to the third cylinder (21), and a support block (26) is installed at the output end of the third cylinder (21), a clamping claw (25) is installed at the end of the support rod (24) away from the third cylinder (21), and a hinge shaft (3) is installed at the end of the clamping claw (25) close to the support rod (24), and the clamping claw (25) is movably connected to the support rod (24) through the hinge shaft (3), and the clamping claw (25) is movably connected to the support block (26).

2. The refrigeration unit for a refrigerated vehicle that is easy to clean according to claim 1, characterized in that: Two groups of clamping blocks (22) are symmetrically mounted on one end of the box cover (23) close to the refrigeration internal machine (6), and the clamping blocks (22) are fixedly connected to the box cover (23).

3. The refrigeration unit for a refrigerated vehicle that is easy to clean according to claim 1, characterized in that: Two groups of electric push rods (2) are installed inside the base (1), and the electric push rods (2) are fixedly connected to the base (1).

4. The refrigeration unit for a refrigerated vehicle that is easy to clean according to claim 3, characterized in that: The output end of the electric push rod (2) is equipped with a support arm (4), and the support arm (4) is fixedly connected to the electric push rod (2).

5. The refrigeration unit for a refrigerated vehicle that is easy to clean according to claim 4, characterized in that: The bottom end of each support arm (4) is provided with a rotating arm (11), one end of each rotating arm (11) close to the support arm (4) is provided with a linkage shaft (9), and the rotating arm (11) is movably connected to the support arm (4) via the linkage shaft (9), and a first cylinder (10) is movably installed on the side wall of each support arm (4), and the output end of the first cylinder (10) is movably connected to the rotating arm (11).

6. The refrigeration unit for a refrigerated vehicle that is easy to clean according to claim 5, characterized in that: A connecting block (16) is movably mounted on one end of the rotating arm (11) away from the supporting arm (4); a folding arm (17) is mounted on one side of the connecting block (16); an air pump (7) is mounted on the top of the folding arm (17); a nozzle (8) is mounted on the top of the folding arm (17) on one side of the air pump (7); and the nozzle (8) is connected to the air pump (7).

7. The refrigeration unit for a refrigerated vehicle that is easy to clean according to claim 5, characterized in that: A second cylinder (13) is movably mounted inside the rotating arm (11), and a clamping shaft (14) is mounted on the output end of the second cylinder (13).

8. The refrigeration unit for a refrigerated vehicle that is easy to clean according to claim 6, characterized in that: A long connecting rod (12) is movably mounted on the side wall of the rotating arm (11), and the long connecting rod (12) is movably connected to the clamping shaft (14). A short connecting rod (15) is movably mounted on the other side of the connecting block (16), and the short connecting rod (15) is movably connected to the clamping shaft (14).

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