Plate heat exchanger of siphon screw unit

Abstract

The utility model discloses a plate heat exchanger of a siphon screw unit, which comprises a rack and a heat exchanger, the heat exchanger is arranged on the rack, the heat exchanger is provided with a thickening part and support legs, the support legs are connected with the thickening part, the support legs are symmetrically arranged on two sides of the heat exchanger, and the heat exchanger is placed on the rack through the support legs. The siphon screw unit is reasonable in structure, ingenious in design and firm in installation, the frame not only ensures the stable installation of the heat exchanger, but also can effectively reduce the risk of equipment displacement or damage caused by vibration or external force in the operation process, and meanwhile, the symmetrical design of the supporting legs also contributes to stabilizing the stress condition during operation of the siphon screw unit, so that the service life of the siphon screw unit is prolonged. And the supporting legs are connected with the thickening parts, so that the connecting stability and the connecting strength are improved, the supporting legs are symmetrically arranged, the placement stability of the heat exchanger is conveniently ensured, and meanwhile the structural attractiveness is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of refrigeration systems, and in particular relates to a plate heat exchanger of a siphon screw unit. Background Art

[0002] The siphon screw unit uses the working principle of the screw compressor to suck the low-temperature and low-pressure refrigerant into the compressor, and then compress it through the rotation of the screw, and finally discharge the high-temperature and high-pressure refrigerant and take away the heat. The unit is mainly composed of a compressor, a heat exchanger, an expansion valve and an evaporator, among which the heat exchanger adopts a plate heat exchanger, which has the characteristics of high heat exchange efficiency, small heat loss, compact and light structure, wide application, and long service life. In the prior art, the support legs of the plate heat exchanger are directly connected to the heat exchanger, which has problems such as poor connection firmness, and is prone to risks such as shaking and displacement during operation, which is not conducive to the actual use of users. Utility Model Content

[0003] The purpose of the utility model is to provide a technical solution for a plate heat exchanger of a siphon screw unit in view of the deficiencies in the prior art. The utility model has a reasonable structure, ingenious design and firm installation. The frame not only ensures the firm installation of the heat exchanger, but also effectively reduces the risk of equipment displacement or damage due to vibration or external force during operation. At the same time, the symmetrical design of the support feet also helps to stabilize the stress condition of the siphon screw unit during operation and improve the overall operational stability. The support feet are connected to the thickened portion to improve the connection stability and strength. The symmetrical arrangement of the support feet facilitates ensuring the placement stability of the heat exchanger and improves the aesthetics of the structure.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] The plate heat exchanger of the siphon screw unit includes a frame and a heat exchanger. The heat exchanger is arranged on the frame. A thickened portion and a support leg are arranged on the heat exchanger. The support leg is connected to the thickened portion. The support leg is symmetrically arranged on both sides of the heat exchanger. The heat exchanger is placed on the frame through the support leg. The thickened portion improves the structural strength of the heat exchanger and avoids the support leg being directly connected to the heat transfer plate of the heat exchanger. The symmetrical arrangement of the support leg is convenient for ensuring the placement stability of the heat exchanger and improving the aesthetics of the structure. The support leg is connected to the frame to achieve installation and fixation of the heat exchanger on the frame without causing damage to the heat exchanger. An interface is arranged on the heat exchanger, one side is used as the inlet of the heat exchanger, and the other side is used as the outlet of the heat exchanger, which is connected with other pipes or components.

[0006] Furthermore, the support leg includes a mounting portion and a supporting portion, a connecting portion is provided between the mounting portion and the supporting portion, and the support leg is fixed to the heat exchanger through the mounting portion. The supporting portion can effectively disperse the weight of the heat exchanger, and the connecting portion enhances the overall structural strength of the support leg.

[0007] Furthermore, a threaded rod is provided on the thickened portion, and a perforation is provided on the mounting portion. The perforation matches the threaded rod, and the fastening nut is screwed on to achieve the installation and fixation between the support leg and the heat exchanger. The matching design of the threaded rod and the perforation makes the connection between the heat exchanger and the support leg tighter and more stable. The fastening nut is used to ensure that the heat exchanger is firmly fixed on the support leg, thereby effectively preventing displacement or loosening caused by vibration or external force. The matching of the threaded rod and the perforation has a clear positioning function, which improves assembly efficiency.

[0008] Furthermore, the connection part is in a herringbone shape, the top of the connection part is connected to the mounting part, and the bottom of the connection part is connected to two supporting parts. The herringbone structure has high support stability, and the two supporting parts further improve the placement stability and prevent the heat exchanger from shaking.

[0009] Furthermore, a mounting slot with an open end is provided on the support portion, which has a unique shape and improves the aesthetics, and at the same time, the fixing piece cooperates with the mounting slot to fix and limit the support leg and the frame.

[0010] Furthermore, a reinforcement bracket is provided between the brackets, and the reinforcement bracket includes a fixing plate, a placement plate and a reinforcement rod, and the reinforcement rod is located between the fixing plate and the placement plate. The provision of the reinforcement bracket significantly enhances the structural stability of the support foot, improves the stability of the entire unit, reduces loosening or damage of components caused by vibration, reduces noise pollution, and improves the comfort of the overall operating environment. The combination of the fixing plate, the placement plate and the reinforcement rod forms a stable triangular support structure, which can effectively improve the structural firmness and significantly enhance the structural strength and stability of the entire frame.

[0011] Furthermore, a fixing block is provided on the side wall of the fixing plate, a screw rod is provided between the two fixing blocks, a sleeve rod is connected to the reinforcement rod, the sleeve rod is sleeved on the screw rod, so as to realize the installation between the fixing plate and the reinforcement rod, and an embedding groove is provided on the side wall of the placement plate, and the end of the reinforcement rod abuts in the embedding groove, so as to realize the installation between the reinforcement rod and the placement plate. The abutment installation operation of the end of the reinforcement rod and the embedding groove is simple, and the connection between the fixing plate and the reinforcement rod is improved through the close cooperation of the screw rod and the sleeve rod, which can effectively resist external force and vibration, and ensure the overall stability of the reinforcement bracket. The movability of the sleeve rod on the screw rod allows the position of the reinforcement rod to be adjusted according to actual needs.

[0012] Furthermore, the screw rod is completely misaligned with the connecting portion, so that the user can remove the screw rod when not in use, which is convenient for maintenance and replacement.

[0013] Furthermore, the caulking grooves are evenly distributed on the placement plate. The caulking grooves are evenly distributed, and the reinforcement rod can easily find a suitable position for installation during installation, and the staff can adjust the position of the reinforcement rod according to actual conditions to interfere with the caulking grooves at different positions.

[0014] Furthermore, mounting holes are provided at both ends of the placement plate. The legs are tightly connected to the frame through the mounting holes, which can further enhance the structural stability of the entire frame and effectively prevent loosening or displacement caused by vibration, external force and other factors. When the placement plate needs to be repaired or replaced, the staff only needs to loosen the fasteners to easily disassemble it.

[0015] The utility model has the following beneficial effects due to the adoption of the above technical solution:

[0016] The utility model has a reasonable structural design, firm installation and simple operation. The heat exchanger is stably placed on the frame through the support feet. The symmetrical arrangement of the support feet makes it easy to ensure the placement stability of the heat exchanger and improves the aesthetics of the structure. The support feet include a mounting portion and a supporting portion. A connecting portion is provided between the mounting portion and the supporting portion. The supporting portion can effectively disperse the weight of the heat exchanger, and the connecting portion enhances the overall structural strength of the support feet. The mounting portion realizes the placement of the support feet and the heat exchanger. The arrangement of the reinforced bracket significantly enhances the structural stability of the support feet, improves the stability of the entire unit, reduces loosening or damage of components caused by vibration, and at the same time reduces noise pollution, thereby improving the comfort of the overall operating environment. 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 is a schematic diagram of the structure of the heat exchanger in Example 1;

[0020] Figure 3 This is a schematic diagram of the structure of the second embodiment of the present utility model;

[0021] Figure 4 It is a schematic diagram of the structure of the reinforcement bracket in the second embodiment.

[0022] In the figure: 1-frame; 2-siphon screw unit; 3-heat exchanger; 4-leg; 5-interface; 6-mounting part; 7-support part; 8-connecting part; 9-mounting long slot; 10-threaded rod; 11-reinforcement bracket; 12-fixing plate; 13-placing plate; 14-reinforcement rod; 15-fixing block; 16-screw rod; 17-sleeve rod; 18-embedded groove; 19-mounting hole; 20-nut; 21-thickening part. DETAILED DESCRIPTION

[0023] like Figure 1 and Figure 2As shown, the plate heat exchanger of the siphon screw unit of the utility model includes a frame 1 and a heat exchanger 3. The heat exchanger 3 is arranged on the frame 1. The heat exchanger 3 is provided with support legs 4 and a thickened portion 21. The support legs 4 are symmetrically arranged on both sides of the heat exchanger 3. The heat exchanger 3 is placed on the frame 1 through the support legs 4. The rack not only ensures the stable installation of the heat exchanger 3, but also effectively reduces the risk of equipment displacement or damage caused by vibration or external force during operation. At the same time, the symmetrical design of the support feet 4 also helps to stabilize the stress condition of the siphon screw unit 2 during operation and improve the overall operation stability. The symmetrical setting of the support feet 4 is convenient for ensuring the placement stability of the heat exchanger 3 and improving the aesthetics of the structure. The support feet 4 are connected to the rack 1 to achieve the installation and fixation of the heat exchanger 3 on the rack 1 without causing damage to the heat exchanger 3. An interface 5 is provided on the heat exchanger 3, one side of which serves as the inlet of the heat exchanger 3 and the other side of which serves as the outlet of the heat exchanger 3, so that the connection between the heat exchanger 3 and other components or pipelines is tighter and more direct.

[0024] The support leg 4 includes a mounting portion 6 and a supporting portion 7, a connecting portion 8 is provided between the mounting portion 6 and the supporting portion 7, and the support leg 4 realizes the installation and fixation of the heat exchanger 3 through the mounting portion 6. The heat exchanger 3 is provided with a thickened portion 21, the support leg 4 is installed with the thickened portion 21, and the mounting portion 6 realizes the installation of the support leg 4 and the heat exchanger 3. The supporting portion 7, as the main load-bearing part of the support leg 4, can effectively disperse the weight of the heat exchanger 3 and reduce the stress burden of the frame 1. The connecting portion 8, as the transition part between the mounting portion 6 and the supporting portion 7, not only plays a connecting role, but also can enhance the overall structural strength of the support leg 4.

[0025] The heat exchanger 3 is provided with a threaded rod 10, and the mounting portion 6 is provided with a through hole (not shown in the figure), and the through hole matches the threaded rod 10. The matching design of the threaded rod 10 and the through hole makes the connection between the heat exchanger 3 and the support leg 4 tighter and more stable. By locking with fasteners, the heat exchanger 3 can be firmly fixed on the support leg 4, thereby effectively preventing displacement or loosening caused by vibration or external force, which helps to improve the stability and reliability of the entire unit. The matching of the threaded rod 10 and the through hole has a clear positioning function, which can ensure the position accuracy of the heat exchanger 3 during the installation process, making the installation and removal of the support leg 4 and the heat exchanger 3 simpler and more convenient.

[0026] The connection part 8 is in a herringbone shape, the top of the connection part 8 is connected to the mounting part 6, and the bottom of the connection part 8 is connected to two supporting parts 7. The herringbone structure has high support stability, and the two supporting parts 7 further improve the placement stability and prevent the heat exchanger 3 from shaking.

[0027] The support portion 7 is provided with a long installation groove 9 with an open end. The shape is unique and the structure is beautiful. At the same time, the support leg 4 can be fixed in a limited position with the fixing piece to prevent the heat exchanger 3 from moving during operation.

[0028] like Figure 3 and Figure 4 As shown, it is the second embodiment of the present utility model, and the support leg 4 is changed on the basis of the first embodiment. A reinforcement bracket 11 is arranged between the two support legs 4, and the reinforcement bracket 11 includes a fixing plate 12, a placement plate 13 and a reinforcement rod 14, and the reinforcement rod 14 is located between the fixing plate 12 and the placement plate 13. The reinforcement bracket 11 forms a stable triangular support structure through the combination of the fixing plate 12, the placement plate 13 and the reinforcement rod 14, which can effectively disperse and bear the weight and pressure from the support leg 4 and the upper load, and significantly enhance the structural strength and stability of the entire rack 1. The setting of the reinforcement bracket 11 significantly enhances the structural stability between the support leg 4 and the rack 1, ensures that the heat exchanger 3 and other components are firmly installed, thereby improving the stability of the entire system, and can also disperse and bear more weight, so that the entire rack 1 can bear a larger load, which helps to reduce the vibration and noise generated by the operation of the equipment. It reduces the loosening or damage of components caused by vibration by providing a more stable support, while reducing noise pollution and improving the comfort of the overall operating environment.

[0029] A fixing block 15 is provided on the side wall of the fixing plate 12, a screw 16 is provided between the two fixing blocks 15, a sleeve rod 17 is connected to the reinforcement rod 14, and the sleeve rod 17 is sleeved on the screw 16 to achieve the installation between the fixing plate 12 and the reinforcement rod 14, and an embedding groove 18 is provided on the side wall of the placement plate 13, and the end of the reinforcement rod 14 abuts in the embedding groove 18 to achieve the installation between the reinforcement rod 14 and the placement plate 13. The screw 16 is locked and fixed by a nut 20, and the abutment installation of the end of the reinforcement rod 14 and the embedding groove of the placement plate 13 is also very simple, without complicated operations, and through the close cooperation of the screw 16 and the sleeve rod 17, the connection between the fixing plate 12 and the reinforcement rod 14 becomes very stable and reliable, and this connection method can effectively resist external forces and vibrations, and ensure the overall stability of the reinforcement bracket 11. At the same time, the abutment between the end of the reinforcing rod 14 and the embedding groove 18 can also provide sufficient supporting force, further enhancing the stability of the frame 1. The movability of the sleeve rod 17 on the screw rod 16 allows the position of the reinforcing rod 14 to be adjusted according to actual needs.

[0030] The screw rod 16 is completely misaligned with the connecting portion 8. When the user does not need to use it, the screw rod 16 can be easily removed, and it is convenient for maintenance and replacement.

[0031] The embedding grooves 18 are evenly distributed on the placement plate 13. The embedding grooves 18 are evenly distributed, and the reinforcement rod 14 can easily find a suitable position for installation during installation, making the installation process more convenient and quick. The evenly distributed embedding grooves 18 make the reinforcement bracket 11 more beautiful and neat in appearance, improving the overall visual effect. At the same time, the staff can adjust the position of the reinforcement rod 14 according to the actual situation to interfere with the embedding grooves 18 at different positions.

[0032] Mounting holes 19 are provided at both ends of the placement plate 13. The setting of the mounting holes 19 enables the placement plate 13 to be conveniently connected and fixed to the support legs 4 and the frame 1. The support legs 4 and the frame 1 are tightly connected through the mounting holes 19, which can further enhance the structural stability of the entire frame 1, and can effectively prevent loosening or displacement caused by factors such as vibration and external force, ensuring that load components such as the heat exchanger 3 can operate safely and stably. The design of the mounting holes 19 also facilitates the disassembly and replacement of the placement plate. When the placement plate needs to be repaired or replaced, the staff only needs to loosen the fasteners to easily disassemble it.

[0033] The heat exchanger 3 is provided with a thickened portion 21, and the support leg 4 includes a mounting portion 6 and a supporting portion 7. A connecting portion 8 is provided between the mounting portion 6 and the supporting portion 7. The mounting portion 6 is connected to the thickened portion 21 by the cooperation of the threaded rod 10 and the fastener, so as to realize the installation and fixation of the support leg 4 and the heat exchanger 3. The supporting portion 7, as the main load-bearing part of the support leg 4, can effectively disperse the weight of the heat exchanger 3. The connecting portion 8 not only plays a connecting role, but also can enhance the overall structural strength of the support leg 4. A reinforcing bracket 11 is provided between the two support legs 4, and the reinforcing bracket 11 further improves the installation stability. The screw 16 is passed between the two fixing blocks 15 and is locked by the nut 20. The reinforcement rod 14 is movable and adjustable on the screw rod 16. The reinforcement rod 14 is installed by interfering with the embedding groove 18. The embedding grooves 18 are evenly distributed on the placement plate 13. The staff can adjust the position of the reinforcement rod 14 according to actual conditions to interfere with the embedding grooves 18 at different positions. The setting of the mounting holes 19 enables the placement plate 13 to easily connect and fix the support legs 4 to the frame 1. When the support legs 4 need to be further fixed, they can be locked and fixed to the frame 1 through the mounting holes 19 with screws and other fixings, thereby further improving the placement stability. When the support legs 4 do not need to be fixed, the placement plate 13 increases the contact area and also improves the placement stability.

[0034] 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. The plate heat exchanger of the siphon screw unit includes: frame; A heat exchanger, wherein the heat exchanger is arranged on the frame; Features: The heat exchanger is provided with a thickened portion and supporting feet, the supporting feet are connected to the thickened portion, and the supporting feet are symmetrically arranged on both sides of the heat exchanger. The heat exchanger is placed on the rack through the supporting feet.

2. The plate heat exchanger of the siphon screw unit according to claim 1, characterized in that: The support leg comprises a mounting portion and a supporting portion, a connecting portion is provided between the mounting portion and the supporting portion, and the support leg is mounted and fixed to the heat exchanger through the mounting portion.

3. The plate heat exchanger of the siphon screw unit according to claim 2, characterized in that: The thickened portion is provided with a threaded rod, and the mounting portion is provided with a through hole, the through hole matches the threaded rod, and the fastening nut is screwed to achieve the installation and fixation between the support leg and the heat exchanger.

4. The plate heat exchanger of the siphon screw unit according to claim 2, characterized in that: The connecting portion is in a herringbone shape, the top of the connecting portion is connected to the mounting portion, and the bottom of the connecting portion is connected to the two supporting portions.

5. The plate heat exchanger of the siphon screw unit according to claim 2, characterized in that: The support portion is provided with a long installation groove with an open end.

6. The plate heat exchanger of the siphon screw unit according to claim 2, characterized in that: A reinforcement bracket is arranged between the two supporting legs, and the reinforcement bracket comprises a fixing plate, a placement plate and a reinforcement rod, and the reinforcement rod is located between the fixing plate and the placement plate.

7. The plate heat exchanger of the siphon screw unit according to claim 6, characterized in that: A fixing block is provided on the side wall of the fixing plate, a screw rod is provided between the two fixing blocks, a sleeve rod is connected to the reinforcement rod, and the sleeve rod is sleeved on the screw rod to achieve the installation between the fixing plate and the reinforcement rod, and an embedding groove is provided on the side wall of the placement plate, and the end of the reinforcement rod is abutted in the embedding groove to achieve the installation between the reinforcement rod and the placement plate.

8. The plate heat exchanger of the siphon screw unit according to claim 6, characterized in that: The screw rod is completely misaligned with the connecting portion.

9. The plate heat exchanger of the siphon screw unit according to claim 7, characterized in that: The embedding grooves are evenly distributed on the placement plate.

10. The plate heat exchanger of the siphon screw unit according to claim 6, characterized in that: Both ends of the placement plate are provided with mounting holes.

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