Low-temperature screw unit

Abstract

The utility model relates to the technical field of accessory devices, in particular to a low-temperature screw unit, which enables a worker to quickly assemble and disassemble the screw unit in a protective box, so that the working efficiency and the effect of maintaining the screw unit are improved, and the practicability is enhanced. Comprising a screw unit body and further comprises a protection box, four supporting legs, two cover plates, a supporting plate, two first sliding blocks, two connecting gears, two toothed plates, two first motors, a buffering assembly and a heat dissipation assembly, the bottom of the protection box is evenly connected with the tops of the four supporting legs, and two sliding grooves are evenly formed in the bottom of a working cavity of the protection box; the tops of the two first sliding blocks are connected with the bottom of the working cavity of the protection box in a sliding mode, a screw unit body is arranged at the top of the supporting plate, the left end and the right end of the top of the supporting plate are connected with the bottoms of the toothed plates respectively, and first motors are arranged at the bottoms of the two ends of the protection box respectively.

Description

Technical Field

[0001] The utility model relates to the technical field of accessory devices, in particular to a low-temperature screw unit. Background Art

[0002] As we all know, low-temperature screw units are a kind of high-efficiency refrigeration equipment widely used in industrial refrigeration, cold storage, cold chain logistics and air separation. They are mainly composed of core components such as screw compressors, evaporators, condensers, expansion valves and control systems. They can adapt to lower evaporation temperatures, provide large cooling output, and maintain good performance and stability in long-term operation. In addition, modern low-temperature screw units also incorporate advanced intelligent control technology, which can automatically adjust the operating state according to load changes, effectively improving the energy saving and operating efficiency of the overall system.

[0003] When an existing low-temperature screw unit is in use, in order to prevent external dust from falling on the screw unit, it is often placed in a protective box to improve its dust-proof effect; however, when the existing low-temperature screw unit is in use, it is found that the staff cannot quickly install and disassemble the screw unit in the protective box, making it impossible for the staff to quickly repair and maintain the screw unit, resulting in poor practicality. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a low-temperature screw unit that allows workers to quickly install and disassemble the screw unit in the protection box, thereby improving the work efficiency and effect of repairing and maintaining the screw unit, thereby enhancing the practicality of the low-temperature screw unit.

[0005] The utility model discloses a low-temperature screw unit, comprising a screw unit main body, a protection box, four groups of legs, two groups of cover plates, a support plate, two groups of first sliders, two groups of connecting gears, two groups of tooth plates, two groups of first motors, a buffer assembly and a heat dissipation assembly. The bottom of the protection box is evenly connected to the tops of the four groups of legs, the protection box is provided with a working chamber, the bottom of the working chamber of the protection box is evenly provided with two groups of slide grooves, the two groups of first sliders are respectively slidably connected to the slide grooves at the bottom of the working chamber of the protection box, the tops of the two groups of first sliders are respectively connected to the bottom of the support plate, the top of the support plate is provided with a screw unit main body, the left end and the right end of the top of the support plate are respectively connected to the bottom of a group of tooth plates, the bottoms of both ends of the protection box are respectively provided with first motors, the output ends of one side of the two groups of first motors are respectively connected through the protection box and a group of connecting gears, and the bottoms of the two groups of connecting gears are respectively meshed and clamped with the tops of a group of tooth plates, the rear end bottom of the working chamber of the protection box is tightly attached to the rear end of the support plate through the buffer assembly, the front end of the working chamber of the protection box is evenly provided with two groups of cover plates, and the left end and the right end of the protection box are respectively provided with heat dissipation assemblies.

[0006] Preferably, the buffer assembly includes a fixed block, a pressure plate, two groups of second sliding blocks, four groups of first hinge seats, two groups of connecting rods, two groups of third sliding blocks, sliding rods and two groups of connecting springs. A fixed block is provided at the bottom of the rear end of the working chamber of the protective box, a groove is provided at the front end of the fixed block, two groups of sliding grooves are evenly provided at the rear end of the fixed block groove, and sliding rods are respectively provided in the sliding grooves at the rear end of the two groups of fixed block grooves. The two groups of second sliding blocks are respectively slidably connected to the group of sliding grooves through the sliding rods, and a group of connecting springs are respectively provided at one end of the outer sides of the two groups of sliding rods. The front ends of the two groups of second sliding blocks are respectively connected to one end of the connecting rod through the first hinge seat, and the rear end of the pressure plate is evenly hinged to the other end of the connecting rod through the two groups of first hinge seats, and a group of reserved grooves are respectively provided at the left and right ends of the fixed block groove, and the two groups of third sliding blocks are respectively slidably connected to the fixed block groove through the group of reserved grooves, and the two ends of the pressure plate are respectively connected to one end of the third sliding block, and the front end of the pressure plate is tightly attached to the rear end of the support plate.

[0007] Preferably, the heat dissipation assembly includes four groups of mounting blocks, two groups of fan assemblies, two groups of clamping blocks, two groups of ventilation ducts and dustproof plates. A group of heat dissipation holes are respectively provided at both ends of the protective box, and a group of ventilation ducts are respectively provided at one end of the two groups of heat dissipation holes of the protective box, and fan assemblies are respectively provided on the inner walls of the two groups of ventilation ducts, and two groups of mounting blocks are respectively evenly provided at the left and right ends of the protective box, and clamping grooves are respectively provided on the top of one end of the four groups of mounting blocks, and the two groups of clamping blocks are respectively slidably mounted in the mounting block clamping grooves, and the front and rear ends of the dustproof plates are respectively connected to one end of a group of clamping blocks, and one end of the two groups of dustproof plates is respectively slidably fitted with a group of ventilation ducts, and the dustproof plates are provided with dustproof nets.

[0008] Preferably, two groups of pull rods are further included, and a group of pull rods is respectively arranged on the top of the two groups of dustproof plates.

[0009] Preferably, it also includes a sponge pad, the front end of the pressure plate is connected to the rear end of the sponge pad, and the front end of the sponge pad is in close contact with the rear end of the support plate.

[0010] Preferably, four groups of anti-skid supports are further included, and a group of anti-skid supports are respectively arranged at the bottom of the four groups of legs.

[0011] Compared with the prior art, the beneficial effect of a low-temperature screw unit of the utility model is as follows: first, the staff opens the two sets of cover plates, and then starts the two sets of first motors. The output ends of the two sets of first motors begin to drive the connecting gears to engage, and through the engagement and clamping with the toothed plates, the support plate drives the screw unit body to slide through the two sets of first sliding blocks until the support plate drives the screw unit body out of the working chamber of the protective box. Then the staff starts to maintain the screw unit body, which enables the staff to quickly install and disassemble the screw unit in the protective box, thereby improving the work efficiency and effect of repairing and servicing the screw unit, and thus enhancing practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a front view structural cross-sectional schematic diagram of the utility model;

[0014] Figure 3 It is a schematic diagram of a top view of the structure section of the utility model;

[0015] Figure 4 It is a partial structure enlarged schematic diagram of A of the utility model;

[0016] Markings in the attached drawings: 1. Screw unit body; 2. Protection box; 3. Support leg; 4. Cover plate; 5. Support plate; 6. First slider; 7. Connecting gear; 8. Tooth plate; 9. First motor; 10. Fixed block; 11. Pressure plate; 12. Second slider; 13. First hinge seat; 14. Connecting rod; 15. Third slider; 16. Slide rod; 17. Connecting spring; 18. Mounting block; 19. Fan assembly; 20. Block; 21. Ventilation duct; 22. Dustproof plate; 23. Pull rod; 24. Sponge pad; 25. Anti-slip support. DETAILED DESCRIPTION

[0017] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0018] like Figures 1 to 4As shown, a low-temperature screw unit of the utility model includes a screw unit body 1, and also includes a protection box 2, four groups of legs 3, two groups of cover plates 4, a support plate 5, two groups of first sliders 6, two groups of connecting gears 7, two groups of tooth plates 8, two groups of first motors 9, a buffer component and a heat dissipation component. The bottom of the protection box 2 is evenly connected to the top of the four groups of legs 3, the protection box 2 is provided with a working chamber, and two groups of slide grooves are evenly provided at the bottom of the working chamber of the protection box 2. The two groups of first sliders 6 are respectively slidably connected to the slide grooves at the bottom of the working chamber of the protection box 2, and the tops of the two groups of first sliders 6 are respectively connected to the bottom of the support plate 5. The top of the support plate 5 is provided with a screw unit body 1, and the left and right ends of the top of the support plate 5 are respectively connected to the bottom of a group of tooth plates 8, and the bottoms of both ends of the protection box 2 are respectively provided with first motors 9, and the output ends of one side of the two groups of first motors 9 are respectively connected through the protection box 2 and a group of connecting gears 7. , and the bottom of the two groups of connecting gears 7 are respectively meshed and clamped with the top of a group of toothed plates 8, the bottom of the rear end of the working chamber of the protection box 2 is tightly attached to the rear end of the support plate 5 through the buffer component, and the front end of the working chamber of the protection box 2 is evenly provided with two groups of cover plates 4, and the left and right ends of the protection box 2 are respectively provided with heat dissipation components; first, the staff opens the two groups of cover plates, and then starts the two groups of first motors, and the output ends of the two groups of first motors begin to drive the connecting gears to mesh, and through the meshing and clamping with the toothed plates, the support plates drive the main body of the screw unit to slide through the two groups of first sliders until the support plates drive the main body of the screw unit to leave the working chamber of the protection box, and then the staff starts to maintain the main body of the screw unit, which enables the staff to quickly install and disassemble the screw unit in the protection box, thereby improving the work efficiency and effect of repairing and servicing the screw unit, and thus enhancing practicality.

[0019] As a preferred embodiment of the above, the buffer assembly includes a fixed block 10, a pressure plate 11, two groups of second sliders 12, four groups of first hinge seats 13, two groups of connecting rods 14, two groups of third sliders 15, a slide bar 16 and two groups of connecting springs 17. A fixed block 10 is provided at the bottom of the rear end of the working chamber of the protective box 2, a groove is provided at the front end of the fixed block 10, two groups of slide grooves are evenly provided at the rear end of the groove of the fixed block 10, and slide bars 16 are respectively provided in the slide grooves at the rear ends of the grooves of the two groups of fixed blocks 10. The two groups of second sliders 12 are respectively slidably connected with the group of slide grooves through the slide bars 16, and a group of connecting springs 17 are respectively provided at one end of the outer side of the two groups of slide bars 16. The front ends of the two groups of second sliders 12 are respectively connected with one end of the connecting rod 14 through the first hinge seat 13, and the rear end of the pressure plate 11 It is evenly hinged through two groups of first hinge seats 13 and the other end of the connecting rod 14, and a group of reserved grooves are respectively set at the left and right ends of the groove of the fixed block 10. The two groups of third sliders 15 are respectively slidably connected through the group of reserved grooves and the groove of the fixed block 10, and the two ends of the pressure plate 11 are respectively connected to one end of the third slider 15, and the front end of the pressure plate 11 and the rear end of the support plate 5 are tightly attached; when the support plate drives the main body of the screw unit to slide and contacts the pressure plate, it will squeeze the pressure plate and generate a force, so that the pressure plate slides through the third slider, and is hinged through the connecting rod and the first hinge seat, so that the two groups of second sliders slide and start to compress the connecting spring, thereby reducing the damage to the support plate and the protective box caused by extrusion and collision in the process, thereby enhancing practicality.

[0020] As a preferred embodiment of the above, the heat dissipation component includes four groups of mounting blocks 18, two groups of fan assemblies 19, two groups of card blocks 20, two groups of ventilation pipes 21 and dustproof plates 22. A group of heat dissipation holes are respectively arranged at both ends of the protective box 2, and a group of ventilation pipes 21 are respectively arranged at one end of the heat dissipation holes of the two groups of protective boxes 2. The inner walls of the two groups of ventilation pipes 21 are respectively provided with fan assemblies 19. Two groups of mounting blocks 18 are respectively evenly arranged at the left and right ends of the protective box 2. Card slots are respectively arranged at the tops of one end of the four groups of mounting blocks 18. The two groups of card blocks 20 are respectively slidably carded with the card slots of the mounting blocks 18, and the front and rear ends of the dustproof plates 22 are respectively connected to one end of a group of card blocks 20. The two groups of dustproof plates 22 are respectively connected to one end of the two groups of card blocks 20. The two ends are respectively slid tightly together with a group of ventilation pipes 21, and the dustproof plate 22 is provided with a dustproof net; when the main body of the screw unit is working, the two groups of fan assemblies are started, so that one group of fan assemblies blows outside air into the working chamber of the protection box, and then the heat in the working chamber of the protection box is discharged to the outside through the ventilation pipe through the other group of fan assemblies, and when it is idle, the staff pulls the dustproof plate until the two groups of dustproof plates respectively drive the card block and the installation block truck to disengage from the card assembly, and then the staff cleans the dust attached to the dustproof plate. By dissipating the heat in the working chamber of the protection box, the normal operation of the main body of the screw unit due to excessive temperature can be reduced, thereby enhancing practicality.

[0021] As a preference of the above embodiment, two groups of pull rods 23 are further included, and one group of pull rods 23 is respectively arranged on the top of the two groups of dustproof plates 22; the staff can pull the dustproof plates more quickly, thus enhancing the practicality.

[0022] As a preferred embodiment of the above embodiment, a sponge pad 24 is also included, the front end of the pressure plate 11 and the rear end of the sponge pad 24 are connected, and the front end of the sponge pad 24 and the rear end of the support plate 5 are in close contact; this can reduce the damage to the support plate etc. caused by squeezing friction, thereby enhancing practicality.

[0023] As a preferred embodiment of the above, four groups of anti-skid supports 25 are also included. A group of anti-skid supports 25 are respectively provided at the bottom of the four groups of legs 3 to improve the anti-skid effect and prevent accidental sliding from affecting normal work, thereby enhancing practicality.

[0024] The utility model provides a low-temperature screw unit, and its working principle is that first, the staff opens two sets of cover plates, and then starts two sets of first motors, the output ends of the two sets of first motors begin to drive the connecting gears to mesh, and through the meshing and clamping with the toothed plates, the support plate drives the screw unit body to slide through the two sets of first sliding blocks until the support plate drives the screw unit body to leave the working chamber of the protective box, and then the staff can start to maintain the screw unit body.

[0025] The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

[0026] The “first”, “second” and “third” mentioned in the present invention do not represent specific quantities and orders, but are merely used to distinguish names.

[0027] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A low temperature screw unit, comprising a screw unit body (1), characterized in that: It also includes a protection box (2), four groups of legs (3), two groups of cover plates (4), a support plate (5), two groups of first sliders (6), two groups of connecting gears (7), two groups of toothed plates (8), two groups of first motors (9), a buffer assembly and a heat dissipation assembly. The bottom of the protection box (2) is evenly connected to the tops of the four groups of legs (3). The protection box (2) is provided with a working cavity. Two groups of slide grooves are evenly provided at the bottom of the working cavity of the protection box (2). The two groups of first sliders (6) are respectively slidably connected to the slide grooves at the bottom of the working cavity of the protection box (2). The tops of the two groups of first sliders (6) are respectively connected to the bottom of the support plate (5). The top of the support plate (5) is provided with The main body (1) of the screw unit and the left and right ends of the top of the support plate (5) are respectively connected to the bottom of a group of toothed plates (8), and the bottoms of both ends of the protection box (2) are respectively provided with first motors (9), and the output ends of one side of the two groups of first motors (9) respectively pass through the protection box (2) and are connected to a group of connecting gears (7), and the bottoms of the two groups of connecting gears (7) are respectively engaged and clamped with the tops of a group of toothed plates (8), and the bottom of the rear end of the working chamber of the protection box (2) is tightly attached to the rear end of the support plate (5) through a buffer component, and two groups of cover plates (4) are evenly arranged at the front end of the working chamber of the protection box (2), and heat dissipation components are respectively arranged at the left and right ends of the protection box (2).

2. A low temperature screw unit according to claim 1, characterized in that: The buffer assembly comprises a fixed block (10), a pressure plate (11), two groups of second sliders (12), four groups of first hinge seats (13), two groups of connecting rods (14), two groups of third sliders (15), a slide bar (16) and two groups of connecting springs (17). A fixed block (10) is arranged at the bottom of the rear end of the working chamber of the protection box (2). A groove is arranged at the front end of the fixed block (10). Two groups of slide grooves are evenly arranged at the rear end of the groove of the fixed block (10). The slide grooves at the rear end of the grooves of the two groups of fixed blocks (10) are respectively provided with slide bars (16). The two groups of second sliders (12) are respectively connected to the slide grooves through the slide bars (16). The two groups A group of connecting springs (17) are respectively arranged at one end of the outer side of the slide bar (16); the front ends of the two groups of second slide blocks (12) are respectively connected through the first hinge seat (13) and one end of the connecting rod (14); the rear end of the pressing plate (11) is evenly hinged through the two groups of first hinge seats (13) and the other end of the connecting rod (14); a group of reserved grooves are respectively arranged at the left and right ends of the groove of the fixed block (10); the two groups of third slide blocks (15) are respectively slidably connected through the group of reserved grooves and the groove of the fixed block (10); and the two ends of the pressing plate (11) are respectively connected to one end of the third slide block (15); the front end of the pressing plate (11) and the rear end of the supporting plate (5) are in close contact.

3. A low temperature screw unit as claimed in claim 2, characterized in that: The heat dissipation component comprises four groups of mounting blocks (18), two groups of fan components (19), two groups of clamping blocks (20), two groups of ventilation pipes (21) and dustproof plates (22). A group of heat dissipation holes are respectively arranged at both ends of the protection box (2), and a group of ventilation pipes (21) are respectively arranged at one end of the heat dissipation holes of the two groups of protection boxes (2). The inner walls of the two groups of ventilation pipes (21) are respectively provided with fan components (19). Two groups of mounting blocks (18) are respectively and evenly arranged at the left and right ends of the protection box (2). A clamping groove is respectively arranged at the top of one end of the four groups of mounting blocks (18). The two groups of clamping blocks (20) are respectively slidably clamped with the clamping grooves of the mounting blocks (18). The front end and the rear end of the dustproof plate (22) are respectively connected to one end of a group of clamping blocks (20). One end of the two groups of dustproof plates (22) is respectively slidably close to a group of ventilation pipes (21), and the dustproof plate (22) is provided with a dustproof net.

4. A low temperature screw unit as claimed in claim 3, characterized in that: It also includes two groups of pull rods (23), and a group of pull rods (23) is respectively arranged on the top of the two groups of dustproof plates (22).

5. A low temperature screw unit as claimed in claim 4, characterized in that: It also includes a sponge pad (24), the front end of the pressing plate (11) and the rear end of the sponge pad (24) are connected, and the front end of the sponge pad (24) and the rear end of the supporting plate (5) are in close contact.

6. A low temperature screw unit as claimed in claim 5, characterized in that: It also comprises four groups of anti-skid supports (25), and each of the four groups of legs (3) is provided with a group of anti-skid supports (25) at the bottom.

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