Low-temperature single screw unit
By adopting a U-shaped reinforced frame design in a single-machine screw unit, the structural stability of the condenser and the fixation of the joints are enhanced, the leakage problem caused by loose condenser joints is solved, and the operating stability and safety of the unit are improved.
Patent Information
- Application Number
- CN202420893612.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-04-26
AI Technical Summary
The condenser joints of existing stand-alone screw units are prone to deformation and looseness during long-term use, resulting in leakage at the connection and posing safety hazards.
The U-shaped reinforcement frame is designed, and the connection between the U-shaped reinforcement frame in the housing cavity is enhanced by connecting the connector one and connector two, thereby enhancing the structural stability and firmness of the condenser, preventing the joint from loosening or dislocation, and improving the stability of the connection between the pipe and the connector. Sex and reliability.
It effectively improves the structural stability of the condenser and the fixation of the joints, reduces the risk of leakage, and makes the entire unit run more stable and efficient.
Smart Images
Figure CN222257083U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of screw units, and in particular relates to a low-temperature single-machine screw unit. Background Art
[0002] A single screw unit is a unit that uses the rotation of the screw to generate compression force to compress the refrigerant gas into a high-pressure refrigerant. The specific working principle is that the high-pressure refrigerant is sent to the condenser for cooling, and then cooled into a liquid state. The liquid refrigerant is then sent to the evaporator for evaporation, thereby achieving the purpose of refrigeration. The condenser is one of the important assembly components of a single screw unit. A joint is provided on the condenser to facilitate the connection between the condenser and other components. In the prior art, the joint of the condenser is prone to deformation and loosening during long-term use, which may cause leakage at the joint and cause certain safety hazards. Summary of the invention
[0003] The utility model aims to provide a technical solution for a low-temperature single-machine screw unit in view of the deficiencies in the prior art. The structural design is ingenious and reasonable and has strong practicality. The connection between the condenser and other components can be facilitated through the first and second joints. The structural stability and firmness of the condenser can be enhanced through the design of the U-shaped reinforcement frame. At the same time, a accommodating cavity is formed between the condenser and the U-shaped reinforcement frame. The two joints are just arranged in the accommodating cavity to protect the joints. The two joints are just penetrated and clamped on the U-shaped reinforcement frame. The two joints are reinforced and supported by the U-shaped reinforcement frame, so that the joint structure is more stable and less likely to loosen or shift, thereby improving the stability and reliability of the connection between the pipeline and the joint, and making the operation of the entire unit more stable and efficient.
[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:
[0005] The low-temperature single-machine screw unit includes a frame, a liquid storage device, a condenser, a compressor, a gas-liquid separator and an oil separator. The liquid storage device, the condenser, the compressor, the gas-liquid separator and the oil separator are all arranged on the frame; a joint 1 and a joint 2 are arranged on the side of the condenser, the joint 1 is connected to the oil separator through a pipeline, and the joint 2 is connected to the compressor through a pipeline; a U-shaped reinforcement frame is arranged on the side of the condenser, and a receiving cavity is formed between the U-shaped reinforcement frame and the condenser, and the joint 1 and the joint 2 are both arranged in the receiving cavity, one end of the joint 1 and one end of the joint 2 are connected to the condenser, and the other end of the joint 1 and the other end of the joint 2 extend through and extend to the receiving cavity The outside of the cavity is connected to the pipeline; the connection between the condenser and other components can be facilitated through joints 1 and 2, and the structural stability and firmness of the condenser can be enhanced through the design of the U-shaped reinforcement frame. At the same time, a accommodating cavity is formed between the condenser and the U-shaped reinforcement frame, and the two joints are just arranged in the accommodating cavity to protect the joints. The two joints are just penetrated and clamped on the U-shaped reinforcement frame. The two joints are reinforced and supported by the U-shaped reinforcement frame, making the joint structure more stable and less likely to loosen or shift, thereby improving the stability and reliability of the connection between the pipeline and the joint, making the operation of the entire unit more stable and efficient.
[0006] Furthermore, a control cabinet is provided on one side of the rack, the control cabinet rests against the side of the rack, and a fixing plate is provided on the bottom support of the control cabinet. The two fixing plates are symmetrically arranged at both ends of the control cabinet, the fixing plates are fixedly connected to the rack, the side of the control cabinet rests on the rack for support, and at the same time the bottom of the rack is supported and lifted by the fixing plate, which effectively ensures the stability and reliability of the placement of the control cabinet on the rack, and the control cabinet is designed to be located on the side of the rack, which is also convenient for the operator to operate the control cabinet.
[0007] Furthermore, the control cabinet is provided with heat dissipation slots. The design of the heat dissipation slots can increase the internal air circulation of the control cabinet, improve the heat dissipation performance of the control cabinet, make the internal environment of the control cabinet safer and more stable, and improve the safety and stability of the entire unit.
[0008] Furthermore, a mounting seat is provided at the bottom of the compressor, and a mounting hole is provided on the mounting seat. A bolt is passed through the mounting hole to connect with the frame, so that the compressor is installed and fixed on the frame. The structural design is ingenious and reasonable. The mounting seat cooperates with the bolt to achieve connection and fixation with the frame, which effectively ensures the installation firmness and reliability of the compressor on the frame, improves the operating stability of the entire unit, and the bolt connection is also convenient for actual assembly and operation.
[0009] Furthermore, the mounting base includes an extension column and a mounting base plate. The extension column and the compressor shell are an integrally formed structure. The extension column and the mounting base plate are fixed by two bolts. The mounting hole is arranged on the mounting base plate. The extension column and the compressor shell are designed to be integrally formed, which can facilitate actual processing and molding, and also improve the overall structural strength and stability. The connection between the extension column and the compressor shell also adopts an arc surface design, which makes the connection smoother, improves the bearing capacity and structural strength of the connection, and enhances the structural strength and stability. The extension column and the mounting base plate are fixed by two bolts, which effectively ensures the firmness of the connection and ensures the overall structural strength of the assembled mounting base. The bolt connection also facilitates actual installation and disassembly, and is convenient for subsequent maintenance and replacement.
[0010] Furthermore, support pads are symmetrically arranged at both ends of the mounting base plate, and bolt 2 penetrates the mounting base plate and connects the support pads with the frame. The support pads are made of elastic material, which can absorb and reduce the vibration generated during compression operation, thereby improving the running stability of the entire unit.
[0011] Furthermore, support frames are evenly arranged at the bottom of the liquid reservoir, and the support frames include support sheet 1, support sheet 2 and a bottom plate. Support sheet 1 and support sheet 2 are symmetrically arranged on both sides of the bottom plate. The top of support sheet 1 and the top of support sheet 2 are both provided with arc-shaped slots, and the arc-shaped slots match the liquid reservoir. The top of support sheet 1 and the top of support sheet 2 are welded and fitted with the liquid reservoir through the arc-shaped slots. Several support frames are evenly distributed at the bottom of the liquid reservoir to ensure the stable placement of the liquid reservoir on the rack. Support sheet 1, support sheet 2 and the bottom plate constitute the support frame. The arc-shaped slots can ensure the contact area between the top of support sheet 1 and support sheet 2 and the liquid reservoir, thereby improving the connection strength between the support sheet and the liquid reservoir, and support sheet 1 and support sheet 2 are welded to the bottom surface of the liquid reservoir together, thereby effectively ensuring the welding firmness and reliability of the support frame and the liquid reservoir, thereby improving the overall structural strength of the liquid reservoir.
[0012] Furthermore, support sheet 1, support sheet 2 and the base plate are an integrally formed structure. The design of the integrally formed structure can ensure the overall structural strength and structural firmness of the support frame, ensure the overall bearing capacity of the support frame, ensure the stable support of the support frame to the liquid reservoir, and also facilitate actual processing and forming.
[0013] Furthermore, an auxiliary flat plate is connected between the two fixed plates, and the auxiliary flat plate is auxiliary supported on the bottom surface of the control cabinet. The auxiliary flat plate can play an auxiliary supporting role and is supported together with the fixed plate on the bottom of the control cabinet, effectively enhancing the stability and reliability of the entire structure.
[0014] Furthermore, a positioning column is provided on the bottom surface of the control cabinet, and a through-hole is provided on the auxiliary plate. The through-holes correspond to the positioning columns one-to-one. The bottom end of the positioning column passes through the through-hole and is connected with a locking nut. The locking nut is tightened to achieve limited fixation between the positioning column and the auxiliary plate. The structural design is ingenious and reasonable. The positioning column and the through-hole correspond one-to-one to achieve precise installation and positioning of the control cabinet, and the bottom end of the positioning column is connected with the locking nut to achieve limited fixation between the positioning column and the auxiliary plate. The connection is firm and reliable, which effectively ensures the installation firmness and stability between the control cabinet and the auxiliary plate, and improves the safety of equipment use.
[0015] The utility model has the following beneficial effects due to the adoption of the above technical solution:
[0016] The structural design of the utility model is ingenious and reasonable with strong practicality. The connection between the condenser and other components can be facilitated through the first and second joints. The structural stability and firmness of the condenser can be enhanced through the design of the U-shaped reinforcement frame. At the same time, a accommodating cavity is formed between the condenser and the U-shaped reinforcement frame. The two joints are just penetrated and clamped on the U-shaped reinforcement frame. The two joints are reinforced and supported by the U-shaped reinforcement frame, so that the joint structure is more stable and less likely to loosen or shift, thereby improving the stability and reliability of the connection between the pipeline and the joint, and making the operation of the entire unit more stable and efficient. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The utility model is further described below in conjunction with the accompanying drawings:
[0018] Figure 1 This is a schematic diagram of the structure of the first embodiment of the utility model;
[0019] Figure 2 for Figure 1 Schematic diagram of the back structure;
[0020] Figure 3 for Figure 2 A schematic diagram of the local enlarged structure at position I in the middle;
[0021] Figure 4 for Figure 1 A schematic diagram of the side structure of
[0022] Figure 5 This is a schematic diagram of the structure of the compressor in the first embodiment of the utility model;
[0023] Figure 6 This is a schematic diagram of the structure of the second embodiment of the present utility model.
[0024] In the figure: 1-frame; 2-liquid storage tank; 3-condenser; 4-compressor; 5-gas-liquid separator; 6-oil separator; 7-connector 1; 8-connector 2; 9-pipeline; 10-U-shaped reinforcement frame; 11-accommodating chamber; 12-control cabinet; 13-fixing plate; 14-heat dissipation slot hole; 15-mounting seat; 16-mounting hole; 17-bolt 1; 18-extension column; 19-mounting base plate; 20-bolt 2; 21-support pad; 22-support frame; 23-support plate 1; 24-support plate 2; 25-base plate; 26-arc-shaped slot; 27-auxiliary plate; 28-positioning column; 29-locking nut. DETAILED DESCRIPTION
[0025] like Figures 1 to 5 As shown, the utility model low-temperature single-machine screw unit includes a frame 1, a liquid storage tank 2, a condenser 3, a compressor 4, a gas-liquid separator 5 and an oil separator 6. The liquid storage tank 2, the condenser 3, the compressor 4, the gas-liquid separator 5 and the oil separator 6 are all arranged on the frame 1; a joint 1 7 and a joint 2 8 are arranged on the side of the condenser 3, the joint 1 7 is connected to the oil separator 6 through a pipeline 9, and the joint 2 8 is connected to the compressor 4 through a pipeline 9; a U-shaped reinforcement frame 10 is arranged on the side of the condenser 3, and a accommodating cavity 11 is formed between the U-shaped reinforcement frame 10 and the condenser 3, and the joint 1 7 and the joint 2 8 are both arranged in the accommodating cavity 11, one end of the joint 1 7 and one end of the joint 2 8 are connected to the condenser 3, and the other end of the joint 1 7 and the joint 2 8 are connected to the condenser 3. The other end of the second connector 8 extends through and extends to the outside of the accommodating chamber 11 and is connected to the pipe 9; the connection between the condenser 3 and other components can be facilitated through the connector 1 7 and the second connector 8, and the structural stability and firmness of the condenser 3 can be enhanced through the design of the U-shaped reinforcement frame 10. At the same time, an accommodating chamber 11 is formed between the condenser 3 and the U-shaped reinforcement frame 10, and the two connectors are just arranged in the accommodating chamber 11 to protect the connectors, and the two connectors are just inserted through and connected to the U-shaped reinforcement frame 10. The two connectors are reinforced and supported by the U-shaped reinforcement frame 10, so that the connector structure is more stable and less likely to loosen or shift, thereby improving the stability and reliability of the connection between the pipe 9 and the connector, and making the operation of the entire unit more stable and efficient.
[0026] A control cabinet 12 is arranged on one side of the rack 1, and the control cabinet 12 is against the side of the rack 1, and a fixing plate 13 is arranged on the bottom support of the control cabinet 12, and two fixing plates 13 are symmetrically arranged at both ends of the control cabinet 12, and the fixing plates 13 are fixedly connected to the rack 1, and the side of the control cabinet 12 is against and supported on the rack 1, and at the same time, the bottom of the rack 1 is supported and lifted by the fixing plates 13, which effectively ensures the stability and reliability of the placement of the control cabinet 12 on the rack 1, and the position design of the control cabinet 12 on the side of the rack 1 is also convenient for operators to operate and control the control cabinet 12. The control cabinet 12 is provided with heat dissipation slots 14, and the design of the heat dissipation slots 14 can increase the internal air circulation of the control cabinet 12, improve the heat dissipation performance of the control cabinet 12, make the internal environment of the control cabinet 12 safer and more stable, and improve the safety and stability of the entire unit.
[0027] A mounting base 15 is provided at the bottom of the compressor 4, and a mounting hole 16 is provided on the mounting base 15. A bolt 17 passes through the mounting hole 16 and is connected to the frame 1 to realize the installation and fixation of the compressor 4 on the frame 1. The structural design is ingenious and reasonable. The mounting base 15 cooperates with the bolt 17 to realize the connection and fixation with the frame 1, effectively ensuring the installation firmness and reliability of the compressor 4 on the frame 1, improving the operating stability of the entire unit, and the bolt connection is also convenient for actual assembly and operation.
[0028] The mounting base 15 includes an extension column 18 and a mounting base plate 19. The extension column 18 and the outer shell of the compressor 4 are an integrally formed structure. The extension column 18 and the mounting base plate 19 are fixed by bolts 20. The mounting hole 16 is provided on the mounting base plate 19. The extension column 18 and the outer shell of the compressor 4 are designed to be integrally formed, which can facilitate actual processing and molding, and also improve the overall structural strength and stability. The connection between the extension column 18 and the outer shell of the compressor 4 also adopts an arc surface design, which makes the connection smoother, improves the bearing capacity and structural strength of the connection, and enhances the structural strength and stability. The extension column 18 and the mounting base plate 19 are fixed by bolts 20, which effectively ensures the firmness of the connection and ensures the overall structural strength of the assembled mounting base 15. The bolt connection also facilitates actual installation and disassembly, and is convenient for subsequent maintenance and replacement. Support pads 21 are symmetrically arranged at both ends of the mounting base plate 19, and bolts 20 penetrate the mounting base plate 19 and connect the support pads 21 to the frame 1. The support pads 21 are made of elastic material, which can absorb and reduce the vibration generated during compression operation, thereby improving the running stability of the entire unit.
[0029] The bottom of the liquid reservoir 2 is evenly provided with a support frame 22, and the support frame 22 includes a support sheet 1 23, a support sheet 24 and a bottom plate 25. The support sheet 1 23 and the support sheet 24 are symmetrically arranged on both sides of the bottom plate 25. The top of the support sheet 1 23 and the top of the support sheet 24 are both provided with an arc-shaped card slot 26, and the arc-shaped card slot 26 matches the liquid reservoir 2. The top of the support sheet 1 23 and the top of the support sheet 24 are welded and attached to the liquid reservoir 2 through the arc-shaped card slot 26. A plurality of support frames 22 are evenly distributed in the liquid reservoir. 2 bottom, ensure the stable placement of the liquid reservoir 2 on the frame 1, support sheet 1 23, support sheet 2 24 and bottom plate 25 constitute the support frame 22, arc-shaped slot 26 can ensure the contact area between the top of support sheet 1 23 and support sheet 2 24 and the liquid reservoir 2, improve the connection strength between the support sheet and the liquid reservoir 2, and support sheet 1 23 and support sheet 2 24 are welded to the bottom surface of the liquid reservoir 2 together, effectively ensure the welding firmness and reliability of the support frame 22 and the liquid reservoir 2, and improve the overall structural strength of the liquid reservoir 2. Support sheet 1 23, support sheet 2 24 and bottom plate 25 are an integrated structure, and the design of the integrated structure can ensure the overall structural strength and structural firmness of the support frame 22, ensure the overall bearing capacity of the support frame 22, ensure the stable support of the support frame 22 to the liquid reservoir 2, and also facilitate the actual processing and molding.
[0030] like Figure 6 As shown, this is the second embodiment of the utility model. Based on the first embodiment, the fixing method of the control cabinet 12 on the frame 1 is further limited. An auxiliary flat plate 27 is connected between the two fixing plates 13. The auxiliary flat plate 27 is auxiliary supported on the bottom surface of the control cabinet 12. The auxiliary flat plate 27 can play an auxiliary supporting role and is jointly supported on the bottom of the control cabinet 12 with the fixing plate 13, effectively enhancing the stability and reliability of the entire structure. A positioning column 28 is provided on the bottom surface of the control cabinet 12, and a through-hole is provided on the auxiliary plate 27. The through-holes correspond one-to-one with the positioning column 28. The bottom end of the positioning column 28 passes through the through-hole and is connected with the locking nut 29. Tightening the locking nut 29 realizes the limited fixation between the positioning column 28 and the auxiliary plate 27. The structural design is ingenious and reasonable. The positioning column 28 corresponds one-to-one with the through-hole to realize the precise installation and positioning of the control cabinet 12, and the bottom end of the positioning column 28 is connected with the locking nut 29 to realize the limited fixation between the positioning column 28 and the auxiliary plate 27. The connection is firm and reliable, which effectively ensures the installation firmness and stability between the control cabinet 12 and the auxiliary plate 27, and improves the safety of equipment use.
[0031] The structural design of the utility model is ingenious and reasonable, and the practicality is strong. The connection between the condenser 3 and other components can be facilitated through the connector 1 7 and the connector 2 8. The structural stability and firmness of the condenser 3 can be enhanced through the design of the U-shaped reinforcement frame 10. At the same time, a accommodating cavity 11 is formed between the condenser 3 and the U-shaped reinforcement frame 10. The two connectors are just arranged in the accommodating cavity 11 to protect the connectors, and the two connectors are just penetrated and connected to the U-shaped reinforcement frame 10. The two connectors are reinforced and supported by the U-shaped reinforcement frame 10, so that the connector structure is more stable and less likely to loosen or shift, thereby improving the stability and reliability of the connection between the pipeline 9 and the connector, and making the operation of the entire unit more stable and efficient.
[0032] The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent replacements or modifications made based on the present invention to achieve basically the same technical effects are all included in the protection scope of the present invention.
Claims
1. A low-temperature single-machine screw unit, comprising a frame, a liquid reservoir, a condenser, a compressor, a gas-liquid separator and an oil separator, wherein the liquid reservoir, the condenser, the compressor, the gas-liquid separator and the oil separator are all arranged on the frame; Features: The side of the condenser is provided with a joint 1 and a joint 2, the joint 1 is connected to the oil separator through a pipeline, and the joint 2 is connected to the compressor through a pipeline; A U-shaped reinforcement frame is provided on the side of the condenser, and a accommodating cavity is formed between the U-shaped reinforcement frame and the condenser. The connector 1 and the connector 2 are both provided in the accommodating cavity, one end of the connector 1 and one end of the connector 2 are connected to the condenser, and the other end of the connector 1 and the other end of the connector 2 extend through and extend to the outside of the accommodating cavity and are connected to the pipeline.
2. The low-temperature single-unit screw unit according to claim 1, characterized in that: A control cabinet is arranged on one side of the frame, the control cabinet is against the side of the frame, and a fixing plate is arranged on the bottom support of the control cabinet, two fixing plates are symmetrically arranged at two ends of the control cabinet, and the fixing plates are fixedly connected to the frame.
3. The low-temperature single-unit screw unit according to claim 2, characterized in that: The control cabinet is provided with heat dissipation slots.
4. The low-temperature single-unit screw unit according to claim 1, characterized in that: A mounting seat is provided at the bottom of the compressor, and a mounting hole is provided on the mounting seat. Bolts pass through the mounting holes and are connected to the frame to achieve the installation and fixation of the compressor on the frame.
5. The low-temperature single-unit screw unit according to claim 4, characterized in that: The mounting seat includes an extension column and a mounting base plate. The extension column and the shell of the compressor are an integrally formed structure. The extension column and the mounting base plate are fixed by bolts 2. The mounting hole is provided on the mounting base plate.
6. The low-temperature single-unit screw unit according to claim 5, characterized in that: Support pads are symmetrically arranged at both ends of the installation base plate, and the second bolt penetrates the installation base plate and the support pads are connected to the frame.
7. The low-temperature single-unit screw unit according to claim 1, characterized in that: A support frame is evenly arranged at the bottom of the liquid reservoir, and the support frame includes a support sheet 1, a support sheet 2 and a bottom plate. The support sheet 1 and the support sheet 2 are symmetrically arranged on both sides of the bottom plate. The top of the support sheet 1 and the top of the support sheet 2 are both provided with an arc-shaped groove, and the arc-shaped groove matches the liquid reservoir. The top of the support sheet 1 and the top of the support sheet 2 are welded and bonded to the liquid reservoir through the arc-shaped groove.
8. The low-temperature single-unit screw unit according to claim 7, characterized in that: The support sheet 1, the support sheet 2 and the bottom plate are an integrally formed structure.
9. The low-temperature single-unit screw unit according to claim 2, characterized in that: An auxiliary flat plate is connected between the two fixing plates, and the auxiliary flat plate is auxiliary supported on the bottom surface of the control cabinet.
10. The low-temperature single-unit screw unit according to claim 9, characterized in that: A positioning column is arranged on the bottom surface of the control cabinet, and a through hole is arranged on the auxiliary plate, the through holes are matched with the positioning column one by one, the bottom end of the positioning column passes through the through hole and is connected with a locking nut, and the locking nut is tightened to achieve the limited fixation between the positioning column and the auxiliary plate.