Self-cleaning oil separator

Abstract

The utility model discloses a self-cleaning type oil separator, which relates to the technical field of oil separators, and comprises a cylinder body and an end cylinder, and the inner wall of one side of the cylinder body is fixedly connected with an air inlet pipe. By pressing the positioning block, the positioning block moves on the inner wall of the positioning groove to provide a space for the end cylinder, then when the end cylinder is located between the positioning block and the air inlet pipe, the moving rod is pulled, the moving rod moves in the moving opening to enable the limiting block to slide into the limiting groove, at the moment, the limiting spring is extruded, and the air inlet pipe is opened. After the inner wall of the clamping groove is aligned with the inner wall of the limiting groove, the limiting block can slide into the clamping groove through the inner wall of the limiting groove under the elastic force of the limiting spring, so that the end barrel can be fixed, when the end barrel is disassembled, the movable rod is pulled to enable the limiting block to be separated from the inner wall of the clamping groove, then force is applied to the end barrel to extrude the positioning block, and after the lantern ring is separated from the air inlet pipe, the end barrel is disassembled. Therefore, the replacement operation of workers can be facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of oil separators, in particular to a self-cleaning oil separator. Background Art

[0002] In the field of refrigeration, especially in the field of air conditioning equipment, the oil separator is a very important component. The purpose of the oil separator is to separate the refrigeration oil and refrigerant in the air conditioning system to ensure the normal operation of the air conditioning system. When the oil separator returns oil, if there are impurities in the oil, the oil return pipe assembly at the rear end of the oil separator will be easily blocked, affecting the system performance, and a self-cleaning oil separator is needed.

[0003] At present, a Chinese patent with announcement number CN219283696U discloses a vertical oil separator with a filtering structure, including a cylinder; the bottom end and the top end of the cylinder are respectively fixedly connected with a bottom end cover and a top end cover by bolts; an air inlet end pipe is connected to the peripheral side surface of the top end of the cylinder; a filter is connected to the end of the air inlet end pipe and located inside the cylinder; a partition is provided inside the cylinder and located at the bottom of the filter; a flow stabilizing mesh plate is provided inside the cylinder and located at the bottom end of the partition; a downcomer is connected between the partition and the flow stabilizing mesh plate; a downcomer is provided at the bottom end of the downcomer and located at the bottom of the flow stabilizing mesh plate. The utility model has the advantages that cold air is introduced through the air inlet end pipe, and its impurities are filtered out under the action of the filter, which effectively solves the problem of impurities mixed in the oil and gas, and after the oil particles sink through the downcomer, the flow rate of the oil sinking is stabilized by the downcomer end and the flow stabilizing mesh plate, and some heavy oil and light oil in the oil are separated, meeting the needs of actual use.

[0004] However, when the above device is in use, the first threaded joint needs to be rotated to fix the end tube. The inner wall between the end tube and the cylinder body is narrow, which makes it difficult for the staff to rotate it manually and inconvenient for the staff to operate. Utility Model Content

[0005] The purpose of the utility model is to provide a self-cleaning oil separator to solve the problem proposed in the above background technology that the first threaded joint needs to be rotated to fix the end tube, the inner wall between the end tube and the cylinder body is narrow, and it is difficult for the staff to rotate it manually, which is inconvenient for the staff to operate.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a self-cleaning oil separator, comprising a cylinder and an end cylinder, an inner wall of one side of the cylinder is fixedly connected to an air intake pipe, an inner wall of one side of the end cylinder is fixedly connected to a collar, an inner wall of the collar and an outer wall of the air intake pipe form a sliding fit and are adapted to each other, both ends of the outer walls of the air intake pipe are provided with a slot, both ends of the inner walls of the collar are provided with a limiting slot corresponding to the slot, one end of the inner wall of the limiting slot is fixedly connected to a limiting spring, and one end of the limiting spring is fixedly connected to a limiting block that forms a sliding fit with the inner wall of the limiting slot.

[0007] Furthermore, the outer walls at both ends of the ring are provided with movable openings extending into the limiting groove, and one end of the limiting block is fixedly connected to a movable rod that forms a sliding fit with the inner wall of the movable opening. The setting of the movable rod can enable the limiting block to move.

[0008] Furthermore, a positioning groove is provided on the inner wall of the cylinder away from the air inlet pipe, and a positioning spring is fixedly connected to the inner wall of one side of the positioning groove. One side of the positioning spring is fixedly connected to a positioning block that forms a sliding fit with the inner wall of the positioning groove, and the side of the positioning block close to the end cylinder is in an arc-shaped structure. The setting of the positioning block can cooperate with the ring to fix the end cylinder.

[0009] Furthermore, a plurality of evenly distributed bayonet holes are provided on the inner wall at the bottom of the end tube, and a clamping ring is connected to the inner wall of the bayonet hole via a thread, and an oil filter cylinder is fixedly connected to the bottom of the clamping ring, and the oil filter cylinder is communicated with the end tube. The setting of the oil filter cylinder can filter the oil in the airflow.

[0010] Furthermore, a mounting opening is provided on the top outer wall of the end tube, a filter screen is provided on the inner wall of the mounting opening, a fixing frame of the filter screen forms a sliding fit with the inner wall of the mounting opening, and the setting of the filter screen can filter the oil in the upward airflow.

[0011] Furthermore, the outer wall of the fixing frame of the filter screen plate is provided with a plurality of evenly distributed connecting grooves, the inner wall of the mounting port is provided with fixing grooves corresponding to the connecting grooves one by one, the inner wall of the connecting groove is fixedly connected with a connecting spring, one side of the connecting spring is fixedly connected with a connecting block, the connecting block forms a sliding fit with the inner wall of the connecting groove and the inner wall of the fixing groove, the connecting block located in the fixing groove is a spherical structure, and the setting of the connecting block can fix the filter screen plate.

[0012] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0013] 1. The utility model presses the positioning block, and the positioning block moves on the inner wall of the positioning groove to provide space for the end tube. Then, when the end tube is located between the positioning block and the air inlet pipe, the moving rod is pulled, and the movement of the moving rod in the moving opening can make the limit block slide into the limit groove. At this time, the limit spring is squeezed, and after the inner wall of the slot is aligned with the inner wall of the limit groove, the limit block can slide into the slot through the inner wall of the limit groove under the elastic force of the limit spring, so that the end tube can be fixed. When the end tube is disassembled, the moving rod is pulled to separate the limit block from the inner wall of the slot, and then the end tube is forced to squeeze the positioning block. After the sleeve ring is separated from the air inlet pipe, the end tube can be taken out, so the operation of replacement can be realized conveniently for the staff.

[0014] 2. The utility model can filter the airflow flowing above through the filter screen plate, so as to separate the gas and oil. The connection block can slide into the fixed groove through the inner wall of the connecting groove, so as to fix the filter screen plate. When disassembling the filter screen plate, the filter screen plate can be directly pulled up. At this time, the connection block with an arc-shaped structure can slide into the connecting groove through the inner wall of the fixed groove, so as to perform a quick disassembly operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the utility model highlighting the filter screen plate;

[0018] Figure 3 yes Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0019] Figure 4 This is a schematic diagram of the structure of the utility model highlighting the clamping ring;

[0020] Figure 5 It is prominent Figure 4 A schematic diagram of the enlarged structure at B in the middle;

[0021] In the figure: 1. cylinder; 2. air inlet pipe; 3. end cylinder; 4. collar; 5. slot; 6. limit slot; 7. limit spring; 8. limit block; 9. moving port; 10. moving rod; 11. positioning slot; 12. positioning spring; 13. positioning block; 14. snap ring; 15. oil filter cylinder; 16. installation port; 17. filter screen; 18. connecting slot; 19. fixing slot; 20. connecting spring; 21. connecting block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figure 1-Figure 5 The self-cleaning oil separator shown in the figure comprises a cylinder 1 and an end cylinder 3, an inner wall of one side of the cylinder 1 is fixedly connected with an air inlet pipe 2, an inner wall of one side of the end cylinder 3 is fixedly connected with a collar 4, the inner wall of the collar 4 and the outer wall of the air inlet pipe 2 form a sliding fit and are adapted to each other, both ends of the outer walls of the air inlet pipe 2 are provided with a clamping groove 5, both ends of the inner walls of the collar 4 are provided with a limiting groove 6 corresponding to the clamping groove 5, one end of the inner wall of the limiting groove 6 is fixedly connected with a limiting spring 7, one end of the limiting spring 7 is fixedly connected with a limiting block 8 that forms a sliding fit with the inner wall of the limiting groove 6, both ends of the outer walls of the collar 4 are provided with a moving opening 9 extending into the limiting groove 6, one end of the limiting block 8 is fixedly connected with a moving rod 10 that forms a sliding fit with the inner wall of the moving opening 9, the moving rod 10 can move in the inner wall of the moving opening 9, the movement of the moving rod 10 can move the limiting block 8, and the collar 4 can be fixed or loosened, and the cylinder 1 is away from the air inlet pipe 2. A positioning groove 11 is provided on the inner wall of one side, and a positioning spring 12 is fixedly connected to the inner wall of one side of the positioning groove 11. A positioning block 13 that forms a sliding fit with the inner wall of the positioning groove 11 is fixedly connected to one side of the positioning spring 12, and the positioning block 13 is close to the end tube 3. The positioning block 13 with a circular arc structure can increase the contact area with the outer wall of the end tube 3. Under the elastic force of the positioning spring 12, pressure can be applied to the positioning block 13, so that the positioning block 13 can cooperate with the intake pipe 2 to fix the end tube 3 stably. A number of evenly distributed bayonet sockets are provided on the bottom inner wall of the end tube 3, and a retaining ring 14 is connected to the inner wall of the bayonet by a thread. An oil filter cartridge 15 is fixedly connected to the bottom of the retaining ring 14, and the oil filter cartridge 15 is connected to the end tube 3. The oil filter cartridge 15 can filter the oil in the airflow through the oil filter cartridge 15 to ensure that impurities in the oil are removed. When replacing, the retaining ring 14 can be rotated in the inner wall of the bayonet socket.

[0024] like Figure 1-Figure 3The top outer wall of the end tube 3 shown is provided with a mounting opening 16, and the inner wall of the mounting opening 16 is provided with a filter screen plate 17. The fixing frame of the filter screen plate 17 forms a sliding fit with the inner wall of the mounting opening 16, and the airflow flowing above can be filtered through the filter screen plate 17, so that the gas and oil can be separated. The outer wall of the fixing frame of the filter screen plate 17 is provided with a plurality of evenly distributed connecting grooves 18, and the inner wall of the mounting opening 16 is provided with a fixing groove 19 corresponding to the connecting groove 18 one by one, and the inner wall of the connecting groove 18 is fixedly connected with a connecting spring 20, and the connecting spring 20 is connected to the connecting spring 20. A connecting block 21 is fixedly connected to one side of the connecting spring 20, and the connecting block 21 forms a sliding fit with the inner wall of the connecting groove 18 and the inner wall of the fixing groove 19. The connecting block 21 located in the fixing groove 19 has a spherical structure, and can slide into the fixing groove 19 through the inner wall of the connecting groove 18 through the connecting block 21, so that the filter screen plate 17 can be fixed. When the filter screen plate 17 is disassembled, the filter screen plate 17 can be directly pulled up. At this time, the connecting block 21 with an arc-shaped structure can slide into the connecting groove 18 through the inner wall of the fixing groove 19, and a quick disassembly operation can be performed.

[0025] The working principle of the utility model is as follows: when in use, the top cover of the cylinder body 1 is opened, and then the positioning block 13 is pressed. The positioning block 13 moves on the inner wall of the positioning groove 11 to provide space for the end cylinder 3. Then, when the end cylinder 3 is located between the positioning block 13 and the air inlet pipe 2, the moving rod 10 is pulled. The movement of the moving rod 10 in the moving port 9 can make the limit block 8 slide into the limit groove 6. At this time, the limit spring 7 is squeezed. After the inner wall of the card slot 5 is aligned with the inner wall of the limit groove 6, the limit block 8 can slide into the card slot 5 through the inner wall of the limit groove 6 under the elastic force of the limit spring 7, so that the end cylinder 3 can be fixed. When the end tube 3 is disassembled, the moving rod 10 is pulled to separate the limit block 8 from the inner wall of the slot 5, and then the end tube 3 is squeezed by force to squeeze the positioning block 13. After the ring 4 is separated from the intake pipe 2, the end tube 3 can be taken out. After the end tube 3 is taken out, the handle on the filter screen plate 17 fixing frame can be pulled to separate the filter screen plate 17 from the inner wall of the mounting port 16, and then the oil filter cartridge 15 can be rotated. The rotation of the oil filter cartridge 15 can make the retaining ring 14 rotate in the inner wall of the retaining port, and the oil filter cartridge 15 can be replaced, so that the replacement operation can be convenient for the staff.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A self-cleaning oil separator, comprising a cylinder (1) and an end cylinder (3), wherein an air inlet pipe (2) is fixedly connected to an inner wall of one side of the cylinder (1), and characterized in that: A collar (4) is fixedly connected to the inner wall of one side of the end tube (3); the inner wall of the collar (4) forms a sliding fit with the outer wall of the intake pipe (2) and is adapted to each other; both ends of the outer walls of the intake pipe (2) are provided with a retaining groove (5); both ends of the inner walls of the collar (4) are provided with a limiting groove (6) corresponding to the retaining groove (5); one end of the inner wall of the limiting groove (6) is fixedly connected to a limiting spring (7); one end of the limiting spring (7) is fixedly connected to a limiting block (8) that forms a sliding fit with the inner wall of the limiting groove (6).

2. The self-cleaning oil separator according to claim 1, characterized in that: The outer walls at both ends of the collar (4) are provided with a moving opening (9) extending into the limiting groove (6), and one end of the limiting block (8) is fixedly connected to a moving rod (10) that forms a sliding fit with the inner wall of the moving opening (9).

3. The self-cleaning oil separator according to claim 1, characterized in that: A positioning groove (11) is provided on the inner wall of the cylinder (1) away from the air inlet pipe (2); a positioning spring (12) is fixedly connected to the inner wall of one side of the positioning groove (11); a positioning block (13) is fixedly connected to one side of the positioning spring (12) and is slidably matched with the inner wall of the positioning groove (11); and a side of the positioning block (13) close to the end cylinder (3) is in an arc-shaped structure.

4. The self-cleaning oil separator according to claim 1, characterized in that: The inner wall at the bottom of the end tube (3) is provided with a plurality of evenly distributed bayonet holes, the inner wall of the bayonet hole is connected to a clamping ring (14) via a thread, the bottom of the clamping ring (14) is fixedly connected to an oil filter tube (15), and the oil filter tube (15) is communicated with the end tube (3).

5. The self-cleaning oil separator according to claim 1, characterized in that: The top outer wall of the end tube (3) is provided with a mounting opening (16), the inner wall of the mounting opening (16) is provided with a filter screen plate (17), and the fixing frame of the filter screen plate (17) forms a sliding fit with the inner wall of the mounting opening (16).

6. The self-cleaning oil separator according to claim 5, characterized in that: The outer wall of the fixing frame of the filter screen plate (17) is provided with a plurality of evenly distributed connecting grooves (18); the inner wall of the mounting opening (16) is provided with fixing grooves (19) corresponding to the connecting grooves (18) one by one; the inner wall of the connecting groove (18) is fixedly connected with a connecting spring (20); one side of the connecting spring (20) is fixedly connected with a connecting block (21); the connecting block (21) forms a sliding fit with the inner wall of the connecting groove (18) and the inner wall of the fixing groove (19); the connecting block (21) located in the fixing groove (19) is in a spherical structure.

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