CN219178017U

CN219178017U - Screw refrigerating unit

Info

Publication number: CN219178017U
Application number: CN202320710422.2U
Authority: CN
Inventors: 颜石
Original assignee: Shanghai Aoshuang Air Conditioning Equipment Engineering Co ltd
Current assignee: Shanghai Aoshuang Air Conditioning Equipment Engineering Co ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-06-13
Anticipated expiration: 2033-04-03

Abstract

The utility model relates to the technical field of refrigerating units, in particular to a screw refrigerating unit. The technical scheme comprises the following steps: the air inlet is formed in one end of the top surface of the spiral compression refrigeration machine body, a filtering mechanism for filtering air entering the machine set is arranged on the air inlet, and a clamping mechanism for locking the spiral compression refrigeration machine body is arranged at the bottom of the spiral compression refrigeration machine body. The air entering the unit is conveniently filtered through the filtering mechanism, so that impurities and dust in the air are prevented from entering the unit, and the service life of the unit is prevented from being influenced; the clamping mechanism is convenient for locking and fixing the spiral compression refrigeration machine body, and is convenient to detach, so that the convenience of the spiral compression refrigeration machine body in later-stage overhaul and maintenance is improved.

Description

Screw refrigerating unit

Technical Field

The utility model relates to the technical field of refrigerating units, in particular to a screw refrigerating unit.

Background

The screw type refrigeration compressor and the piston type refrigeration compressor are the same in gas compression mode, and belong to a volume type compressor, that is, they both compress gas by volume change.

At present, most screw refrigerating units are inconvenient to filter air entering the unit when air is taken in, so that impurities and dust in the air are easy to enter the unit, and the service life of the screw refrigerating unit is easy to be influenced for a long time; and most screw refrigerating units are fixedly arranged on the bottom plate in a bolt or welding mode before working so as to ensure the working stability of the screw refrigerating units, but the screw refrigerating units are inconvenient to disassemble and greatly increase the difficulty of overhauling and maintenance when the screw refrigerating units are overhauled and maintained in the later period although the screw refrigerating units can achieve a better fixing effect.

Disclosure of Invention

The utility model aims at solving the problems in the background technology, and provides a screw refrigerating unit which is convenient for filtering air entering the unit and improves the convenience of post maintenance and overhaul of the screw refrigerating unit.

The technical scheme of the utility model is as follows: a screw refrigeration unit comprising: the air inlet is formed in one end of the top surface of the spiral compression refrigerating machine body, a filtering mechanism used for filtering air entering the machine set is arranged on the air inlet, and a clamping mechanism used for locking the spiral compression refrigerating machine body is arranged at the bottom of the spiral compression refrigerating machine body.

Preferably, the gas outlet has been seted up to screw compression refrigeration organism top other end, filtering mechanism includes the protection casing, the gas outlet is located the protection casing, the slot has been seted up to screw compression refrigeration organism top surface below being located the protection casing, the slot is connected with protection casing bottom joint, the bar air guide mouth has all been run through to the both sides of protection casing relative position, be equipped with the filter screen in the air inlet, filter screen top fixedly connected with collar, the collar is placed in the air inlet surface.

Preferably, a pull rod is fixedly connected to the top of the mounting ring.

Preferably, the screw compression refrigeration organism below is equipped with the bottom plate, the equal fixedly connected with bracing piece in screw compression refrigeration organism bottom surface both ends, the spacing groove has all been seted up to the bottom plate surface and is located two bracing pieces below, the bracing piece bottom is connected with corresponding spacing groove joint, joint mechanism includes the fixed block, fixed block fixed connection is in bottom plate surface middle-end, seted up the drive storehouse in the fixed block, drive storehouse rotation is connected with the gear, the equal meshing of gear both sides is connected with the rack, two equal fixedly connected with locating lever of gear one end is kept away from to the rack, the locating lever all with drive storehouse inside wall sliding connection, two all overlap on the rack and be equipped with compression spring, two compression spring one end all with corresponding locating lever lateral wall fixed connection, two the compression spring other end all with drive storehouse inside wall fixed connection.

Preferably, the two side walls of the support rod are provided with positioning holes at the opposite positions of the two positioning rods respectively, and one ends of the positioning rods, which are far away from the racks, penetrate through the side walls of the fixing blocks and are in plug connection with the corresponding positioning holes.

Preferably, the vertical fixedly connected with connecting rod in gear top, the fixed block top surface is located the connecting rod top and is equipped with the rolling disc, connecting rod top runs through fixed block top surface and rolling disc bottom surface fixed connection.

Compared with the prior art, the utility model has the following beneficial technical effects: the air entering the unit is conveniently filtered through the filtering mechanism, so that impurities and dust in the air are prevented from entering the unit, and the service life of the unit is prevented from being influenced; the clamping mechanism is convenient for locking and fixing the spiral compression refrigeration machine body, and is convenient to detach, so that the convenience of the spiral compression refrigeration machine body in later-stage overhaul and maintenance is improved.

Drawings

FIG. 1 shows a schematic view of a front cut-away structure of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a front view of an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a filter screen connection structure according to an embodiment of the present utility model;

fig. 4 is a schematic view of a compression spring connection structure according to an embodiment of the present utility model.

Reference numerals: 1. a screw compression refrigerator body; 2. an air inlet; 3. a filtering mechanism; 4. a clamping mechanism; 5. an air outlet; 6. a protective cover; 7. a strip-shaped air guide port; 8. a slot; 9. a filter screen; 10. a mounting ring; 11. a pull rod; 12. a bottom plate; 13. a support rod; 14. a limit groove; 15. a fixed block; 16. a driving bin; 17. a gear; 18. a connecting rod; 19. a rack; 20. a compression spring; 21. a positioning rod; 22. positioning holes; 23. and rotating the disc.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1-3, the screw refrigerating unit provided by the present utility model includes: the spiral compression refrigerator body 1, air inlet 2 offer in spiral compression refrigerator body 1 top surface one end, be equipped with on the air inlet 2 and be used for carrying out filterable filter mechanism 3 to the air that gets into in the unit, spiral compression refrigerator body 1 bottom is equipped with the joint mechanism 4 that is used for carrying out locking to spiral compression refrigerator body 1.

The gas outlet 5 is arranged at the other end of the top of the spiral compression refrigeration machine body 1, the filtering mechanism 3 comprises a protective cover 6, the gas outlet 5 is arranged in the protective cover 6, the slot 8 is arranged on the top surface of the spiral compression refrigeration machine body 1 and is arranged below the protective cover 6, the slot 8 is connected with the bottom end of the protective cover 6 in a clamping manner, a plurality of strip-shaped gas guide ports 7 are arranged on two sides of the relative position of the protective cover 6 in a penetrating manner, the filter screen 9 is arranged in the gas inlet 2, the installation ring 10 is fixedly connected to the top of the filter screen 9, and the installation ring 10 is arranged on the surface of the gas inlet 2.

The top of the mounting ring 10 is fixedly connected with a pull rod 11.

The working principle based on the first embodiment is as follows: during operation, when air inlet 2 breathes in, be convenient for filter some great impurity in the air through protection casing 6, the air that passes protection casing 6 filters through filter screen 9, is convenient for further filter the dust in the air, avoids dust and impurity to get into in the unit, influences helical compression refrigeration organism 1's life, through taking out protection casing 6 from slot 8 in, then upwards pulling pull rod 11, is convenient for dismantle filter screen 9 from air inlet 2 in, improves the convenience of its clearance.

Example two

As shown in fig. 1, fig. 2 and fig. 4, based on the first embodiment, a bottom plate 12 is arranged below a screw compression refrigeration machine body 1, two support rods 13 are fixedly connected to two ends of the bottom surface of the screw compression refrigeration machine body 1, two limit grooves 14 are formed in the surface of the bottom plate 12 and are positioned below the two support rods 13, the bottom ends of the support rods 13 are connected with the corresponding limit grooves 14 in a clamping manner, a clamping mechanism 4 comprises a fixed block 15, the fixed block 15 is fixedly connected to the middle end of the surface of the bottom plate 12, a driving bin 16 is formed in the fixed block 15, a gear 17 is rotatably connected to the driving bin 16, racks 19 are respectively engaged and connected to two sides of the gear 17, two positioning rods 21 are respectively fixedly connected to one ends of the two racks 19 far away from the gear 17, the positioning rods 21 are respectively and slidably connected with the inner side walls of the driving bin 16, compression springs 20 are respectively sleeved on the two racks 19, one ends of the two compression springs 20 are respectively fixedly connected with the side walls of the corresponding positioning rods 21, and the other ends of the two compression springs 20 are respectively fixedly connected with the inner side walls of the driving bin 16.

The two positioning holes 22 are respectively formed in the opposite positions of the two positioning rods 21 on the side walls of the two support rods 13, and one end, far away from the rack 19, of each positioning rod 21 penetrates through the side wall of the corresponding fixing block 15 and is in plug-in connection with the corresponding positioning hole 22.

The connecting rod 18 is vertically and fixedly connected to the top of the gear 17, the rotating disc 23 is arranged on the top surface of the fixed block 15 and is positioned above the connecting rod 18, and the top end of the connecting rod 18 penetrates through the top surface of the fixed block 15 and is fixedly connected with the bottom surface of the rotating disc 23.

The working principle based on the second embodiment is as follows: when the spiral compression refrigeration machine body 1 needs to be disassembled and overhauled, the rotating disc 23 drives the gear 17 to rotate through the connecting rod 18, the gear 17 drives the two positioning rods 21 to move through the two racks 19, the two positioning rods are pulled out of the corresponding positioning holes 22, then the supporting rods 13 are pulled out of the limiting grooves 14, and the disassembly of the spiral compression refrigeration machine body 1 can be completed, so that the convenience of overhauling and maintenance is improved.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims

1. A screw refrigeration unit comprising: screw compression refrigerator body (1), its characterized in that: an air inlet (2) is formed in one end of the top surface of the spiral compression refrigerating machine body (1), a filtering mechanism (3) used for filtering air entering the unit is arranged on the air inlet (2), and a clamping mechanism (4) used for locking the spiral compression refrigerating machine body (1) is arranged at the bottom of the spiral compression refrigerating machine body (1).

2. The screw refrigerating unit according to claim 1, wherein the air outlet (5) is formed in the other end of the top of the screw compression refrigerating machine body (1), the filtering mechanism (3) comprises a protective cover (6), the air outlet (5) is located in the protective cover (6), the top surface of the screw compression refrigerating machine body (1) is located below the protective cover (6) and is provided with a slot (8), the slot (8) is connected with the bottom end of the protective cover (6) in a clamping manner, two sides of the opposite positions of the protective cover (6) are respectively provided with a strip-shaped air guide opening (7) in a penetrating manner, a filter screen (9) is arranged in the air inlet (2), a mounting ring (10) is fixedly connected to the top of the filter screen (9), and the mounting ring (10) is placed on the surface of the air inlet (2).

3. Screw refrigeration unit according to claim 2, wherein the top of the mounting ring (10) is fixedly connected with a pull rod (11).

4. The screw refrigerating unit according to claim 1, characterized in that a bottom plate (12) is arranged below the screw refrigerating unit body (1), support rods (13) are fixedly connected to two ends of the bottom surface of the screw refrigerating unit body (1), limit grooves (14) are formed in the surfaces of the bottom plate (12) below the two support rods (13), the bottom ends of the support rods (13) are connected with corresponding limit grooves (14) in a clamping mode, the clamping mechanism (4) comprises a fixing block (15), the fixing block (15) is fixedly connected to the middle end of the surface of the bottom plate (12), a driving bin (16) is formed in the fixing block (15), gears (17) are connected to two sides of the driving bin (16) in a rotating mode, two racks (19) are fixedly connected with positioning rods (21) in a meshed mode, one ends of the racks (19) are far away from the gears (17), the positioning rods (21) are slidably connected with inner side walls of the driving bin (16), two compression springs (20) are sleeved on the two racks (19), and the two compression springs (20) are fixedly connected with one ends of the two compression springs (20) respectively.

5. The screw refrigerating unit according to claim 4, wherein the side walls of the two supporting rods (13) are provided with positioning holes (22) respectively at opposite positions of the two positioning rods (21), and one ends of the positioning rods (21) far away from the racks (19) penetrate through the side walls of the fixed blocks (15) and are in plug connection with the corresponding positioning holes (22).

6. The screw refrigerating unit according to claim 4, wherein the top of the gear (17) is vertically and fixedly connected with a connecting rod (18), the top surface of the fixed block (15) is provided with a rotating disc (23) above the connecting rod (18), and the top end of the connecting rod (18) penetrates through the top surface of the fixed block (15) and is fixedly connected with the bottom surface of the rotating disc (23).