Filter screen supporting structure for oil separator

Abstract

The utility model provides a filter screen supporting structure for an oil separator, which comprises a fixing ring, the fixing ring is fixedly connected inside an oil separator shell through a mounting ring, the inner side surface of the fixing ring is fixedly connected with a mounting plate, the back surface of the mounting plate is fixedly connected with an auxiliary filter screen, and the front surface of the mounting plate is fixedly connected with a main supporting rod and an auxiliary supporting rod respectively; the ends, away from the mounting plate, of the main supporting rod and the auxiliary supporting rod are fixedly connected with supporting blocks, the supporting blocks abut against the surface of a main filter screen, meanwhile, the main filter screen is fixedly connected to the inner side face of a frame, and the frame is fixedly connected to the front face of a fixing ring through main bolts. Through cooperation of the fixing ring, the mounting plate, the main supporting rod, the auxiliary supporting rod and the supporting block, the structural strength of the central parts of the main filter screen and the auxiliary filter screen can be effectively enhanced, and then the probability that the main filter screen and the auxiliary filter screen are deformed and damaged can be reduced in an auxiliary mode.

Description

Technical Field

[0001] This utility model relates to the field of refrigeration equipment technology, specifically to a filter screen support structure for an oil separator. Background Technology

[0002] Currently, when a refrigeration system compressor operates, it compresses low-temperature, low-pressure gas into high-temperature, high-pressure gas, which then enters heat exchange equipment such as a condenser for heat exchange. Most compressors in refrigeration systems use oil injection for cooling or lubrication, inevitably carrying lubricating oil with them in the compressed gas. Lubricating oil is a medium with poor heat exchange performance; excessive lubricating oil entering the system will significantly affect the heat transfer coefficient and reduce the system's cooling capacity. Existing oil separator products typically have a first separation filter at the inlet to filter oil from the gas-oil mixture from the compressor. Multiple baffles are then installed between the first separation filter and the discharge pipe for further separation, and finally, an oil separator filter is installed at the end of the device for final separation. As the equipment is used over time, dirt and wear accumulate on the filter screens, and failure to replace them in time will affect the oil-gas separation effect.

[0003] A search revealed an oil separator in the prior art (publication number: CN215983380U), which describes a device as follows: "It includes a cylinder and end caps at both ends. The cylinder has an air inlet and an air outlet, and the bottom of the cylinder has an oil outlet and a drain outlet. A saddle is also provided at the bottom of the cylinder. An inspection port is provided on the end cap near the air outlet. The air inlet is connected to an air inlet pipe, which is placed inside the cylinder and its air inlet direction points towards the nearest end cap. A first baffle plate is provided below the air inlet pipe, a second baffle plate is provided behind the first baffle plate, and a filter screen is provided behind the second baffle plate." At least two filter element assemblies are located behind the screen, and the filter element assemblies are connected to the cylinder via a support plate. This oil separator places the filter screen in the middle of the cylinder and has multiple easily replaceable filter elements at the end of the cylinder. Even if one filter element fails, the others can still ensure normal operation of the equipment and improve separation efficiency. However, the filter screen fixedly connected inside the cylinder lacks a corresponding support structure, making the central part of the filter screen prone to accidental deformation and damage under continuous fluid impact due to the lack of support, thus reducing the filtration effect of the filter screen. Utility Model Content

[0004] To overcome the shortcomings of the existing technology, a filter screen support structure for an oil separator is provided to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, a filter screen support structure for an oil separator is provided, comprising: a fixing ring, which is fixedly connected to the inside of the oil separator housing via a mounting ring; a mounting plate is fixedly connected to the inner side of the fixing ring; a secondary filter screen is fixedly connected to the back of the mounting plate; a main support rod and a secondary support rod are fixedly connected to the front of the mounting plate respectively; and a support block is fixedly connected to the end of the main support rod and the secondary support rod away from the mounting plate; the support block abuts against the surface of the main filter screen; the main filter screen is fixedly connected to the inner side of the frame; and the frame is fixedly connected to the front of the fixing ring via a main bolt.

[0006] Preferably, the fixing ring has a circular ring structure, and the mounting ring fixedly connected to the back of the fixing ring has a circular ring structure. The outer arc surfaces of both the fixing ring and the mounting ring are in contact with the side of the inner cavity of the oil separator housing. At the same time, the mounting ring is fixedly connected to the oil separator housing by auxiliary bolts symmetrically distributed on the inner arc surface.

[0007] Preferably, the fixing ring has multiple sets of screw holes evenly spaced around its front side in the circumferential direction, while the frame has a circular structure, and the outer diameter of the frame is equal to the outer diameter of the fixing ring, the ring width of the frame is equal to the ring width of the fixing ring, and through holes are opened on the surface of the frame corresponding to the screw holes, and the main bolt passes through the through holes to screw into the screw holes.

[0008] Preferably, the sealing shell is fixedly connected to the frame surface near the main bolt by a snap fastener. The axial section of the sealing shell is U-shaped, and the main bolt is located inside the sealing shell. At the same time, a sealing gasket is fixedly connected at the connection between the sealing shell and the frame surface. The sealing gasket is annular in shape.

[0009] Preferably, multiple sets of positioning blocks are fixedly connected at equal intervals around the side of the frame near the fixing ring, and all sets of positioning blocks are square in structure. At the same time, positioning grooves are opened on the surface of the fixing ring relative to the positions of the positioning blocks, and the dimensions of the positioning blocks and the positioning grooves are compatible.

[0010] Preferably, the mounting plate fixedly connected to the inner side of the fixing ring has a cross-shaped structure, and a set of main support rods are fixedly connected to the center of the front of the mounting plate. Four sets of secondary support rods are symmetrically connected to the four ends of the front of the mounting plate, and both the main support rods and the secondary support rods have a cylindrical structure.

[0011] Preferably, the support block has a conical structure, and an annular inclined surface is provided at the edge of the support block. The auxiliary support rod is symmetrically connected to the annular inclined surface of the support block, while the main support rod is fixedly connected to the center of the bottom surface of the support block. At the same time, the main filter screen that the support block abuts against has a cylindrical structure, while the auxiliary filter screen that is fixedly connected to the mounting plate and the fixing ring has a circular structure.

[0012] Compared with the prior art, the beneficial effects of this utility model are: through the cooperation of the fixing ring, mounting ring, frame, mounting plate, main support rod, secondary support rod and support block, the main filter screen and the secondary filter screen can be stably fixedly connected inside the oil separator housing, and the central parts of the main filter screen and the secondary filter screen can be well structurally supported, reducing the probability of deformation and damage to the main filter screen and the secondary filter screen due to fluid impact, and ensuring the performance of the main filter screen and the secondary filter screen. Attached Figure Description

[0013] Figure 1 This is a partial front view schematic diagram of an embodiment of the present utility model.

[0014] Figure 2 This is a front view schematic diagram of the main filter screen in an embodiment of the present invention.

[0015] Figure 3 This is a front view of the fixing ring according to an embodiment of the present utility model.

[0016] Figure 4 This is an embodiment of the present utility model. Figure 1 Enlarged diagram of point A.

[0017] Figure 5 This is a schematic diagram showing the partial disassembly of the fixing ring and mounting ring in an embodiment of the present invention.

[0018] In the diagram: 1. Oil separator housing; 2. Frame; 3. Fixing ring; 4. Mounting plate; 5. Main filter screen; 6. Secondary filter screen; 7. Secondary support rod; 8. Support block; 9. Main support rod; 10. Mounting ring; 11. Positioning block; 12. Sealing shell; 13. Positioning groove. Detailed Implementation

[0019] Reference Figures 1 to 5 As shown, this utility model provides a filter screen support structure for an oil separator, including: a fixing ring 3, which is fixedly connected to the inside of the oil separator housing 1 by a mounting ring 10; a mounting plate 4 is fixedly connected to the inner side of the fixing ring 3; a secondary filter screen 6 is fixedly connected to the back of the mounting plate 4; a main support rod 9 and a secondary support rod 7 are fixedly connected to the front of the mounting plate 4 respectively; and a support block 8 is fixedly connected to the end of the main support rod 9 and the secondary support rod 7 away from the mounting plate 4; the support block 8 abuts against the surface of the main filter screen 5; the main filter screen 5 is fixedly connected to the inner side of the frame 2; and the frame 2 is fixedly connected to the front of the fixing ring 3 by a main bolt.

[0020] In this embodiment, the frame 2 is first attached to the front of the fixing ring 3, so that the positioning block 11 of the frame 2 can be embedded in the positioning groove 13 of the fixing ring 3. Then, the through hole of the frame 2 is aligned with the screw hole of the fixing ring 3, and the main bolt can pass through the through hole and be screwed into the screw hole, thereby completing the fixed connection between the frame 2 and the fixing ring 3. The sealing shell 12 is then fixedly connected to the outside of the main bolt, and the main filter 5 fixedly connected to the inside of the frame 2 is attached to the surface of the support block 8. The secondary filter 6 is then fixedly connected to the back of the mounting plate 4, and the secondary filter... The inner side of the fixing ring 3 is fixedly connected to the edge of the mesh 6. Then, through the cooperation of the auxiliary bolt and the mounting ring 10, the fixing ring 3, the main filter screen 5 and the auxiliary filter screen 6 are fixedly connected to the corresponding positions inside the oil separator housing 1. The mounting plate 4, the main support rod 9, the auxiliary support rod 7 and the support block 8 fixedly connected to the inner side of the fixing ring 3 can provide good structural support for the central part of the main filter screen 5 and the auxiliary filter screen 6, reduce the probability of the main filter screen 5 and the auxiliary filter screen 6 being deformed and damaged due to continuous fluid impact, and ensure the integrity of the overall structure of the main filter screen 5 and the auxiliary filter screen 6.

[0021] In a preferred embodiment, the fixing ring 3 has a circular ring structure, and the mounting ring 10 fixedly connected to the back of the fixing ring 3 has a circular ring structure. The outer arc surfaces of the fixing ring 3 and the mounting ring 10 are both in contact with the side of the inner cavity of the oil separator housing 1. At the same time, the mounting ring 10 is fixedly connected to the oil separator housing 1 by auxiliary bolts symmetrically distributed on the inner arc surface.

[0022] In this embodiment, as Figure 1 and Figure 4 The outer surfaces of the fixing ring 3 and the mounting ring 10 are adapted to the dimensions of the inner surface of the oil separator housing 1, which helps to enhance the sealing of the connection between the filter support structure and the oil separator housing 1. The setting of the auxiliary bolt can effectively enhance the stability of the connection between the filter support structure and the oil separator housing 1.

[0023] In a preferred embodiment, the fixing ring 3 has multiple sets of screw holes evenly spaced around its front side in the circumferential direction, while the frame 2 has a circular structure, and the outer diameter of the frame 2 is equal to the outer diameter of the fixing ring 3, the ring width of the frame 2 is equal to the ring width of the fixing ring 3, and through holes are opened on the surface of the frame 2 corresponding to the screw holes, and the main bolt passes through the through holes to screw into the screw holes.

[0024] In this embodiment, as Figure 1 , Figure 2 , Figure 3 and Figure 4 The overall dimensions of the retaining ring 3 and the frame 2 are compatible, which helps to enhance the sealing of the connection between the retaining ring 3 and the frame 2. Furthermore, the one-to-one correspondence between the screw holes and the through holes allows the connection between the frame 2 and the retaining ring 3 to be enhanced by the main bolt.

[0025] In a preferred embodiment, the sealing shell 12 is fixedly connected to the surface of the frame 2 near the main bolt by a snap fastener. The axial section of the sealing shell 12 is U-shaped, and the main bolt is located inside the sealing shell 12. At the same time, a sealing gasket is fixedly connected at the connection between the sealing shell 12 and the surface of the frame 2. The sealing gasket is annular in shape.

[0026] In this embodiment, as Figure 2 and Figure 4 The sealing shell 12 can effectively reduce the probability of fluid impacting the main bolt inside the oil separator housing 1, thereby helping to reduce the probability of accidental damage to the main bolt and ensuring that the filter support structure can be easily installed and removed. The sealing gasket can help enhance the sealing effect at the connection between the sealing shell 12 and the frame 2.

[0027] In a preferred embodiment, multiple sets of positioning blocks 11 are fixedly connected around the side of the frame 2 near the fixing ring 3 at equal intervals in the circumferential direction, and the multiple sets of positioning blocks 11 are all square in structure. At the same time, positioning grooves 13 are opened on the surface of the fixing ring 3 relative to the positions of the positioning blocks 11, and the dimensions of the positioning blocks 11 and the positioning grooves 13 are compatible.

[0028] In this embodiment, as Figure 2 , Figure 3 and Figure 4 The dimensions of the positioning block 11 and the positioning groove 13 are matched, so that when the frame 2 is attached to the front of the fixing ring 3, the alignment of the through hole and the screw hole can be completed quickly, and the problem of accidental deflection between the frame 2 and the fixing ring 3 can be reduced, thereby improving the convenience of the fixed connection between the frame 2 and the fixing ring 3.

[0029] In a preferred embodiment, the mounting plate 4, which is fixedly connected to the inner side of the fixing ring 3, has a cross-shaped structure. A set of main support rods 9 are fixedly connected to the center of the front of the mounting plate 4, and four sets of secondary support rods 7 are symmetrically connected to the four ends of the front of the mounting plate 4. Both the main support rods 9 and the secondary support rods 7 have a cylindrical structure.

[0030] In this embodiment, as Figure 1 , Figure 3 and Figure 5 The mounting plate 4 allows the main support rod 9 and the secondary support rod 7 to be fixedly connected in the middle of the inner cavity of the fixing ring 3. This enables the middle of the fixing ring 3 to provide structural support for the central parts of the main filter screen 5 and the secondary filter screen 6, thereby enhancing the overall structural strength of the main filter screen 5 and the secondary filter screen 6.

[0031] In a preferred embodiment, the support block 8 has a conical structure, and an annular inclined surface is provided at the edge of the support block 8. The auxiliary support rod 7 is symmetrically connected to the annular inclined surface of the support block 8, while the main support rod 9 is fixedly connected to the center of the bottom surface of the support block 8. At the same time, the main filter screen 5 that the support block 8 abuts against has a cylindrical structure, while the auxiliary filter screen 6 that is fixedly connected to the mounting plate 4 and the fixing ring 3 has a circular structure.

[0032] In this embodiment, as Figure 1 , Figure 3 and Figure 5 The structure of the support block 8 can enhance the structural strength of the support block 8 connected to the mounting plate 4 through the main support rod 9 and the secondary support rod 7, and also enhance the support effect of the support block 8 on the middle part of the main filter screen 5, thereby helping to enhance the structural strength of the central part of the main filter screen 5. The mounting plate 4 can also help to enhance the structural strength of the central part of the secondary filter screen 6, reducing the probability of accidental deformation and damage to the main filter screen 5 and the secondary filter screen 6.

[0033] The filter support structure for the oil separator of this utility model, through the cooperation of the fixing ring 3, mounting plate 4, main support rod 9, secondary support rod 7 and support block 8, can effectively enhance the structural strength of the central part of the main filter screen 5 and the secondary filter screen 6, thereby helping to reduce the probability of deformation and damage to the main filter screen 5 and the secondary filter screen 6, thus extending the service life of the main filter screen 5 and the secondary filter screen 6. Furthermore, the dual filter structure can also help enhance the overall filtration effect of the filter structure.

Claims

1. A filter screen support structure for an oil separator, comprising: A fixing ring (3) is fixedly connected to the inside of the oil separator housing (1) by a mounting ring (10). The fixing ring (3) is characterized in that: a mounting plate (4) is fixedly connected to the inner side of the fixing ring (3), a secondary filter screen (6) is fixedly connected to the back of the mounting plate (4), and a main support rod (9) and a secondary support rod (7) are fixedly connected to the front of the mounting plate (4) respectively. The end of the main support rod (9) and the secondary support rod (7) away from the mounting plate (4) is fixedly connected to a support block (8), and the support block (8) abuts against the surface of the main filter screen (5). At the same time, the main filter screen (5) is fixedly connected to the inner side of the frame (2), and the frame (2) is fixedly connected to the front of the fixing ring (3) by a main bolt.

2. The filter screen support structure for an oil separator according to claim 1, characterized in that, The fixing ring (3) has a circular ring structure, and the mounting ring (10) fixedly connected to the back of the fixing ring (3) has a circular ring structure. The outer arc surfaces of the fixing ring (3) and the mounting ring (10) are both in contact with the side of the inner cavity of the oil separator housing (1). At the same time, the mounting ring (10) is fixedly connected to the oil separator housing (1) by auxiliary bolts symmetrically distributed on the inner arc surface.

3. The filter screen support structure for an oil separator according to claim 1, characterized in that, The fixing ring (3) has multiple sets of screw holes at equal intervals around its front side in the circumferential direction. The frame (2) has a circular structure, and the outer diameter of the frame (2) is equal to the outer diameter of the fixing ring (3). The ring width of the frame (2) is equal to the ring width of the fixing ring (3). A through hole is opened on the surface of the frame (2) relative to the screw hole, and the main bolt passes through the through hole to screw into the screw hole.

4. The filter screen support structure for an oil separator according to claim 1, characterized in that, The sealing shell (12) is fixedly connected to the surface of the frame (2) near the main bolt by a snap fastener. The axial section of the sealing shell (12) is U-shaped, and the main bolt is located inside the sealing shell (12). At the same time, a sealing gasket is fixedly connected at the connection between the sealing shell (12) and the surface of the frame (2). The sealing gasket is in the form of a circular ring.

5. The filter screen support structure for an oil separator according to claim 1, characterized in that, The frame (2) is surrounded by multiple sets of positioning blocks (11) at equal intervals along the circumference of the side near the fixing ring (3), and the multiple sets of positioning blocks (11) are all square in structure. At the same time, the fixing ring (3) has a positioning groove (13) corresponding to the position of the positioning block (11) on its surface. The dimensions of the positioning block (11) and the positioning groove (13) are compatible.

6. The filter screen support structure for an oil separator according to claim 1, characterized in that, The mounting plate (4) fixedly connected to the inner side of the fixing ring (3) has a cross-shaped structure, and a set of main support rods (9) are fixedly connected to the center of the front of the mounting plate (4). Four sets of secondary support rods (7) are symmetrically connected to the four ends of the front of the mounting plate (4), and both the main support rods (9) and the secondary support rods (7) have a cylindrical structure.

7. The filter screen support structure for an oil separator according to claim 1, characterized in that, The support block (8) has a conical structure, and an annular inclined surface is opened at the edge of the support block (8). The auxiliary support rod (7) is symmetrically connected to the annular inclined surface of the support block (8), and the main support rod (9) is fixedly connected to the center of the bottom surface of the support block (8). At the same time, the main filter screen (5) that the support block (8) abuts against has a cylindrical structure, and the auxiliary filter screen (6) that is fixedly connected to the mounting plate (4) and the fixing ring (3) has a circular structure.

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