CN218151429U

CN218151429U - Oil return structure of rolling piston compressor

Info

Publication number: CN218151429U
Application number: CN202221943410.6U
Authority: CN
Inventors: 程鹏; 胡亮; 秦道乾; 梁满仓
Original assignee: Huangshi Donper Compressor Co Ltd
Current assignee: Huangshi Donper Compressor Co Ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-12-27
Anticipated expiration: 2032-07-27

Abstract

The utility model relates to the technical field of compressors, specifically disclose an oil return structure of rolling piston compressor, including last cylinder cap, go up the cylinder cap top and seted up discharge valve piece groove, go up cylinder cap top surface and seted up the exhaust hole, exhaust hole inside is inlayed and is installed the valve line, goes up cylinder cap top surface and has seted up oil gallery and oil gallery, goes up cylinder cap bottom surface and has seted up pressure release groove, and the oil gallery is connected with pressure release groove intercommunication, goes up cylinder cap top surface movable mounting and has the translucent cover body. The utility model discloses technical scheme is through offering oil gallery and oil gallery on upper cylinder cap top surface, the oil gallery can collect the fluid that the valve line leaked, inside fluid flowed into the oil gallery through the oil gallery, can in time clear up the long-pending oil of discharge valve piece inslot portion to the solution is because of the problem of discharge valve piece inslot long-pending oil and noise production, inside fluid of oil gallery gets into through the oil gallery and lets out the final backward flow of indent to equipment, such mechanism has newly-increased an oil return route, can promote device oil return efficiency.

Description

Oil return structure of rolling piston compressor

Technical Field

The utility model relates to a compressor technical field specifically is an oil return structure of rolling piston compressor.

Background

The rolling piston type compressor is an air compression device for generating compressed air, and is suitable for most enterprises using compressed air, the top of the rolling piston type compressor can be provided with an upper cylinder cover, and the rolling piston type compressor mainly plays a role in protection.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil return structure of rolling piston compressor has solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an oil return structure of rolling piston compressor, includes the upper cylinder cap, and the discharge valve piece groove has been seted up at the upper cylinder cap top, and the exhaust hole has been seted up on upper cylinder cap top surface, and the inside valve line that installs of exhaust hole is inlayed, and oil gallery have been seted up on upper cylinder cap top surface, and the pressure relief groove has been seted up on upper cylinder cap bottom surface, and upper cylinder cap top surface movable mounting has the translucent cover body.

As an optimal implementation mode of this application technical scheme, the fixed mounting in the outside of the translucent cover body bottom has logical groove seat, leads to the inside screw of inlaying of groove seat and installs, goes up cylinder head top surface and sets up threaded hole, screw and screw hole threaded connection, translucent cover body top fixed mounting has the external screw thread sleeve, and the external screw thread sleeve is connected with the inside intercommunication of the translucent cover body, and the internal portion of external screw thread sleeve is inlayed and is installed the axostylus axostyle, axostylus axostyle bottom fixed mounting has the oil strain screen panel, and the oil strain screen panel is inlayed with the oil gallery middle part and is connected.

As a preferred embodiment of this application technical scheme, axostylus axostyle middle part fixed mounting has the spacing ring, and the spacing ring is located directly over the external screw thread sleeve, and axostylus axostyle top fixed mounting has the knob seat.

As a preferred embodiment of this application technical scheme, the outside movable mounting of external screw thread sleeve has internal thread cover cap, and internal thread cover cap and external screw thread sleeve threaded connection, knob seat are located directly over the internal thread cover cap.

As a preferred embodiment of the technical scheme of the application, the outer side wall of the transparent cover body is provided with the through groove strips, and the number of the through groove strips is nine.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. this application technical scheme is through offering oil gallery and oil gallery on last cylinder cap top surface, the oil gallery can collect the fluid of valve line leakage, inside fluid flowed into the oil gallery through the oil gallery, can in time clear up the long-pending oil of discharge valve piece inslot portion to the solution is because of the problem of discharge valve piece inslot long-pending oil and noise production, inside fluid of oil gallery gets into through the oil gallery and lets out the final backward flow of pressure tank to equipment inside, such mechanism has newly-increased an oil return route, can promote device oil return efficiency.

2. This application technical scheme is through the detachable translucent cover body that is provided with in upper cylinder cover top, and the translucent cover body can avoid external dust directly to fall into the oil gallery inside and cause fluid to pollute, and the oil strain screen panel is located the middle part of oil gallery, can be filtered by the oil strain screen panel before fluid gets into the oil gallery, can promote the purity of retrieving fluid, effectively avoids the condition that the contaminated fluid flows back to the inside equipment component damage that causes of equipment.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the top surface of an oil return structure of a rolling piston compressor according to the present invention;

fig. 2 is a schematic structural view of the bottom surface of the oil return structure of the rolling piston compressor according to the present invention;

fig. 3 is a top view of the oil return structure transparent cover of the rolling piston compressor of the present invention;

fig. 4 is a schematic structural view of an oil return structure shaft rod and an internal thread sleeve cap of the rolling piston compressor of the present invention;

fig. 5 is a schematic diagram illustrating a position of an oil return structure oil filter screen of the rolling piston compressor according to the present invention, which is located inside the oil return groove.

In the figure: 1. an upper cylinder cover; 2. an oil return groove; 3. an oil return hole; 4. an exhaust hole; 5. a valve line; 6. a discharge valve sheet groove; 7. a transparent cover body; 8. a screw; 9. a pressure relief groove; 10. sleeving a cap with an internal thread; 11. a shaft lever; 12. a limiting ring; 13. an externally threaded sleeve; 14. an oil filtering screen cover; 15. a knob seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Embodiment 1, as shown in fig. 1-5, the utility model provides a technical solution: the utility model provides an oil return structure of rolling piston compressor, including last cylinder cap 1, go up 1 top of cylinder cap and seted up discharge valve piece groove 6, go up 1 top surface of cylinder cap and seted up

exhaust hole

4, 4 inside inlays in exhaust hole and installs valve line 5, go up 1 top surface of cylinder cap and seted up oil gallery 2 and oil gallery 3, go up 1 bottom surface of cylinder cap and seted up pressure relief groove 9, go up 1 top surface movable mounting of cylinder cap has translucent cover body 7, translucent cover body 7 bottom outside fixed mounting has the logical groove seat, go up 1 top surface of groove seat and seted up screw hole, screw 8 and screw hole threaded connection, translucent cover body 7 top fixed mounting has external screw thread sleeve 13, external screw thread sleeve 13 and translucent cover body 7 inside intercommunication are connected, external screw thread sleeve 13 inside is inlayed and is installed axostylus axostyle 11, axostylus axostyle 11 bottom fixed mounting has oil filter screen panel 14, oil filter screen panel 14 is inlayed with oil gallery 2 middle part and is connected.

In one embodiment of the utility model, an oil return hole 3 is drilled on the upper cylinder cover of the rolling piston type compressor structure by a drilling machine, an oil return groove 2 is milled by a milling machine to be communicated with the oil return hole 3 and the exhaust valve sheet groove 6, and a partial chamfer is milled at one end close to the exhaust valve sheet groove 6, the diameter of the oil return hole 3 is 2-6mm, the position of the oil return hole is determined according to the size of the oil return hole 3, the outer diameter of the oil return hole 3 is tangential to the inner side of the buffer groove of the upper cylinder cover 1, the width of the oil return groove 2 is 2-3mm, the depth is adjusted according to the thickness of the upper cylinder cover 1, the milling can be carried out for multiple times according to different depths, each required cutting edge has no burr, when oil in the exhaust valve sheet groove 6 is accumulated, the oil flows into the oil return hole 3 through the oil return groove 2, the inner part of the upper cylinder cover 1 is communicated with an eccentric piston mechanism, the eccentric piston mechanism generates suction when moving through the position of the oil return hole, the oil inside the oil return hole 3 can be sucked into the equipment for reuse, the transparent cover body 7 at the top of the upper cylinder cover 1 is detachably connected with the upper cylinder cover 1 through a screw 8, the shaft rod 11 and the oil filtering screen cover 14 are embedded into the transparent cover body 7 through the external thread sleeve 13, the oil filtering screen cover 14 is located in the middle of the oil return groove 2, the oil can be filtered by the oil filtering screen cover 14 before entering the oil return hole 3, the purity of the recovered oil can be improved, the limit ring 12 can be tightly contacted with the external thread sleeve 13 through the threaded connection of the internal thread sleeve cap 10 and the external thread sleeve 13, so that the position of the whole shaft rod 11 is limited, when the stain inside the oil filtering screen cover 14 needs to be cleaned, the internal thread sleeve cap 10 can be detached in a rotating mode, the whole structure of the shaft rod 11 can be directly taken out, and the oil filtering screen cover 14 can be cleaned conveniently.

In this kind of technical scheme, 11 tops of axostylus axostyle set up knob seat 15 and conveniently promote axostylus axostyle 11 wholly, and internal thread sleeve cap 10 is connected with external screw thread sleeve 13 through threaded connection's mode, when axostylus axostyle 11 is taken to needs, conveniently dismantles internal thread sleeve cap 10 fast and carries out the work of taking of axostylus axostyle 11, is favorable to cleaning oil strain screen panel 14.

Referring to fig. 4 in some technical schemes, a limiting ring 12 is fixedly mounted in the middle of the shaft rod 11, the limiting ring 12 is located right above the external thread sleeve 13, a knob seat 15 is fixedly mounted at the top of the shaft rod 11, an internal thread sleeve cap 10 is movably mounted outside the external thread sleeve 13, the internal thread sleeve cap 10 is in threaded connection with the external thread sleeve 13, and the knob seat 15 is located right above the internal thread sleeve cap 10.

In the technical scheme, the through groove strips arranged on the outer side of the transparent cover body 7 are convenient for the exhaust holes to exhaust the exhausted gas, so that the excessive pressure of the transparent cover body 7 is avoided.

Referring to fig. 4 in some technical solutions, the outer side wall of the transparent cover body 7 is provided with nine through groove strips.

The working principle is as follows: the exhaust hole 4 can be used for exhausting gas in the operation process of the device, certain oil can be carried in the gas, the oil can be accumulated inside the exhaust valve sheet groove 6 around the valve line 5, the oil of the exhaust valve sheet groove 6 flows into the oil return hole 3 through the oil return groove 2, the oil can be filtered by the oil filter screen 14 before entering the oil return hole 3, when dirt inside the oil filter screen 14 needs to be cleaned, the internal thread sleeve cap 10 can be detached in a rotating mode, the shaft rod 11 and the oil filter screen 14 can be directly taken out and the oil filter screen 14 can be cleaned, the inner part of the upper cylinder cover 1 is communicated with the eccentric piston mechanism, the eccentric piston mechanism generates suction force when moving through the position of the oil return hole, and the oil inside the oil return hole 3 can be sucked into the device for reuse.

Claims

1. The utility model provides an oil return structure of rolling piston compressor, includes upper cylinder cover (1), its characterized in that: go up cylinder cap (1) top and seted up discharge valve piece groove (6), go up cylinder cap (1) top surface and seted up exhaust hole (4), exhaust hole (4) inside is inlayed and is installed valve line (5), go up cylinder cap (1) top surface and seted up oil gallery (2) and oil gallery (3), go up cylinder cap (1) bottom surface and seted up pressure relief groove (9), go up cylinder cap (1) top surface movable mounting have the translucent cover body (7).

2. The oil return structure of a rolling piston compressor according to claim 1, wherein: the oil cylinder cover is characterized in that a through groove seat is fixedly mounted on the outer side of the bottom of the transparent cover body (7), a screw (8) is mounted in the through groove seat in an embedded mode, a threaded hole is formed in the surface of the top of the upper cylinder cover (1), the screw (8) is in threaded connection with the threaded hole, an external thread sleeve (13) is fixedly mounted at the top of the transparent cover body (7), the external thread sleeve (13) is connected with the inside of the transparent cover body (7) in an communicated mode, a shaft rod (11) is mounted in the external thread sleeve (13) in an embedded mode, an oil filtering mesh cover (14) is fixedly mounted at the bottom of the shaft rod (11), and the oil filtering mesh cover (14) is connected with the middle of the oil return groove (2) in an embedded mode.

3. The oil return structure of a rolling piston compressor according to claim 2, characterized in that: the limiting device is characterized in that a limiting ring (12) is fixedly mounted in the middle of the shaft lever (11), the limiting ring (12) is located right above the external thread sleeve (13), and a knob seat (15) is fixedly mounted at the top of the shaft lever (11).

4. The oil return structure of a rolling piston compressor according to claim 3, wherein: the external movable mounting of external screw thread sleeve (13) has internal thread cap (10), internal thread cap (10) and external screw thread sleeve (13) threaded connection, knob seat (15) are located directly over internal thread cap (10).

5. The oil return structure of a rolling piston compressor according to claim 1, wherein: the outer side wall of the transparent cover body (7) is provided with nine through groove strips.