CN214887716U - Backpressure device of scroll compressor - Google Patents
Backpressure device of scroll compressor Download PDFInfo
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- CN214887716U CN214887716U CN202120089796.8U CN202120089796U CN214887716U CN 214887716 U CN214887716 U CN 214887716U CN 202120089796 U CN202120089796 U CN 202120089796U CN 214887716 U CN214887716 U CN 214887716U
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- scroll compressor
- oil return
- casing
- backpressure device
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Abstract
The utility model discloses a scroll compressor backpressure device, its structure includes sealed backing plate, installed part, whirlpool dish installation cavity, gusset plate, the accumulational ware is prevented to the oil return, motor cabinet, casing, pneumatic valve, the utility model discloses a whirlpool dish is equipped with embedded oil return on the installation cavity and prevents the accumulational ware, the installation body sets at the channel kneck, the logical hydraulic fluid port of seting up runs through mutually with the oil gallery, when fluid flows through and leads the oil reservoir and the cavity of activity notch board, fluid contact mounting point is established when the superficial pendulum rod of support frame, has produced the buoyancy that drives and has floated pendulum rod lift activity, connects under the flexible characteristic at the circle that the spring body that resets had, can realize stirring the function of preventing of fluid at fluid flow in-process, can effectively improve the smooth and easy degree of oil return and the effect of device backpressure chamber.
Description
Technical Field
The utility model relates to a scroll compressor backpressure device belongs to scroll compressor technical field.
Background
The scroll compressor is a positive displacement compressor, and the compression component consists of a movable scroll plate and a fixed scroll. The back pressure cavity is positioned below the movable scroll plate, and the back pressure design position of the scroll compressor has great influence on leakage between the two scroll plates and mechanical friction power consumption.
The existing back pressure device of the scroll compressor is provided with an oil return pipeline, the back pressure device is used for carrying out pressure relief operation, and because lubricating oil flowing in the oil inlet pipeline can bring impurities into the oil return pipeline, the phenomenon of deposition and blockage at a joint is caused to occur, the oil return flow rate is reduced, and the pressure relief effect of a back pressure cavity is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a scroll compressor backpressure device to solve current scroll compressor backpressure device and be provided with oil return pipe, its effect is to carry out the pressure release operation, because the lubricating oil that flows in the oil inlet pipe can bring impurity into oil return pipe, leads to the sedimentary blocking phenomenon of joint department to appear, has reduced the oil return velocity of flow, and then influences the problem of backpressure chamber pressure release effect.
In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a scroll compressor backpressure device, its structure includes sealing pad board, installed part, whirlpool dish installation cavity, gusset plate, oil return and prevents deposition ware, motor cabinet, casing, pneumatic valve, the inside an organic whole of casing constitutes the whirlpool dish installation cavity, be equipped with embedded pneumatic valve on the local recess of casing surface, be equipped with sealing pad board on the casing top layer position, the gusset plate is installed to casing surface local position, be equipped with embedded oil return and prevent deposition ware on the whirlpool dish installation cavity.
Furthermore, the oil return anti-sedimentation device comprises an installation body, an oil through hole, a support frame, an oil guide layer, an oil return groove, a movable concave plate, a floating swing rod and a reset spring, wherein the integral oil through hole is formed in the installation body, the oil through hole corresponds to an inner cavity of the oil return groove, the upper position and the lower position of the oil return groove correspond to the movable concave plate and the oil guide layer, the reset spring positioned at a surface groove is arranged on the support frame, the surface groove of the reset spring is embedded in the end of the floating swing rod, the floating swing rod swings along with flow at the position of the oil return groove corresponding to the movable concave plate, and the installation body is arranged at the position of a channel connector formed by the scroll disk installation cavity.
Further, the motor base is fixedly arranged at a bottom groove in the machine shell.
Further, the gasket surface is provided with a fixed-point mounting piece.
Further, a motor base is assembled at the lower part of the scroll mounting cavity structure.
Furthermore, a scroll disk mounting cavity is communicated in the air valve mounting point.
Further, the oil-guiding layer is designed to have a structure with a slope.
Further, the support frame is fixedly arranged on the local wall surface in the installation body.
Advantageous effects
The utility model relates to a scroll compressor backpressure device, be equipped with embedded oil return on the whirlpool dish installation cavity and prevent the ware of deposiing, the installation body sets at the channel kneck, the logical hydraulic fluid port of seting up runs through mutually with the oil gallery, when oil reservoir and activity notch board cavity are flowed through to fluid, fluid contact mounting point is established when the superficial pendulum rod of support frame, the buoyancy that the drive floated pendulum rod lift activity has been produced, under the flexible characteristic of circle joint that this body of spring that resets has, can realize stirring the function of deposiing of fluid at the fluid flow in-process, can effectively improve the smooth and easy degree of oil return and the effect of device backpressure chamber pressure release.
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 a back pressure device of a scroll compressor according to the present invention;
fig. 2 is the utility model discloses an oil return anti-settling device assembly structure schematic diagram.
In the figure: the device comprises a sealing base plate-1, a mounting piece-2, a scroll mounting cavity-3, a reinforcing plate-4, an oil return anti-settling device-5, a mounting body-20, an oil through opening-21, a support frame-22, an oil guide layer-23, an oil return groove-24, a movable concave plate-25, a floating swing rod-26, a reset spring-27, a motor base-6, a machine shell-7 and an air valve-8.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a scroll compressor backpressure device, its structure includes sealed backing plate 1, installed part 2, whirlpool dish installation cavity 3, gusset plate 4, oil return anti-deposition ware 5, motor cabinet 6, casing 7, pneumatic valve 8, casing 7 inside an organic whole constitutes whirlpool dish installation cavity 3, be equipped with embedded pneumatic valve 8 on the local recess in casing 7 surface, be equipped with sealed backing plate 1 on casing 7 top layer position, gusset plate 4 is installed to casing 7 surface local position, be equipped with embedded oil return anti-deposition ware 5 on the whirlpool dish installation cavity 3, oil return anti-deposition ware 5 includes the installation body 20, leads to hydraulic fluid port 21, support frame 22, leads oil layer 23, oil return groove 24, activity concave plate 25, floats pendulum rod 26, reset spring 27, integrated logical 21 has been seted up on the installation body 20, lead to the corresponding oil return groove 24 inner chamber of hydraulic fluid port 21, the upper and lower position activity corresponds activity concave plate 25 and leads oil layer 23 about oil return groove 24, the improved vortex disc mounting structure is characterized in that a reset spring 27 located at a surface groove is arranged on the supporting frame 22, the surface groove of the reset spring 27 is embedded in the end of a floating swing rod 26, the floating swing rod 26 swings along with flow at the position, corresponding to the movable concave plate 25, of the oil return groove 24, the mounting body 20 is arranged at the position of a channel interface formed by the vortex disc mounting cavity 3, the motor base 6 is fixedly arranged at the position of a bottom groove in the shell 7, the surface of the sealing base plate 1 is provided with a fixed point type mounting piece 2, the motor base 6 is assembled at the lower part of the structure of the vortex disc mounting cavity 3, the vortex disc mounting cavity 3 is communicated with the mounting point of the air valve 8, the oil guide layer 23 is designed into a structure with inclination, and the supporting frame 22 is fixedly arranged on a local wall surface in the mounting body 20.
The floating swing rod 26 is a fitting made of high-tightness material and capable of floating on the surface of the liquid level of lubricating oil, and the combined reset spring 27 has the characteristic of coil connection expansion and contraction, so that the anti-settling function of stirring the oil is realized in the oil flowing process.
For example: when using, be equipped with embedded oil return and prevent deposition ware 5 on whirlpool dish installation cavity 3, the installation body 20 sets at the channel kneck, the logical hydraulic fluid mouth 21 of seting up runs through mutually with oil gallery 24, when oil fluid flows through oil guide layer 23 and activity notch board 25 cavity, oil fluid contact mounting point establishes when the pendulum rod 26 that floats of support frame 22, the buoyancy that drives the lift activity of pendulum rod 26 has been produced, under the flexible characteristic of circle joint that reset spring 27 body had, can realize stirring the anti-deposition function of oil fluid at the oil fluid flow in-process, can effectively improve the smooth and easy degree of oil return and the effect of device backpressure chamber pressure release.
The utility model provides a problem be current scroll compressor backpressure device is provided with back oil pipe way, and its effect is the operation of carrying out the pressure release, because the lubricating oil that flows in the oil pipe way can bring impurity into back oil pipe way, leads to the long-pending jam phenomenon of joint department to appear, has reduced the oil return velocity of flow, and then influences back pressure chamber pressure release effect, the utility model discloses a combination of each other of above-mentioned parts, fluid contact mounting point establish when the superficial pendulum rod of support frame, has produced the buoyancy that drives the lift activity of superficial pendulum rod, and the ring of cooperation reset spring connects under the flexible characteristic, can realize stirring the anti-long-pending function of fluid at fluid flow in-process, can effectively improve the smooth and easy degree of oil return and the effect of device back pressure chamber pressure release.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a scroll compressor backpressure device, its structure includes sealing pad board (1), installed part (2), whirlpool dish installation cavity (3), gusset plate (4), oil return anti-deposition ware (5), motor cabinet (6), casing (7), pneumatic valve (8), its characterized in that:
casing (7) inside an organic whole constitutes whirlpool dish installation cavity (3), be equipped with embedded pneumatic valve (8) on the local recess in casing (7) surface, be equipped with sealing pad (1) on casing (7) top layer position, casing (7) surface local position is installed gusset plate (4), it prevents deposition ware (5) to be equipped with embedded oil return on whirlpool dish installation cavity (3).
2. The scroll compressor backpressure device of claim 1, wherein: oil return anti-settling ware (5) are including installation body (20), logical oil mouth (21), support frame (22), lead oil layer (23), oil gallery (24), activity notch board (25), float pendulum rod (26), reset spring (27), integral type logical oil mouth (21) has been seted up on installation body (20), lead to corresponding oil gallery (24) inner chamber of oil gallery (21), position activity corresponds activity notch board (25) and leads oil layer (23) about oil gallery (24), be equipped with reset spring (27) that are located surface groove department on support frame (22), reset spring (27) surface groove scarf joint floats pendulum rod (26) end mutually, float pendulum rod (26) and rock along with flowing in the position that oil gallery (24) correspond activity notch board (25), installation body (20) set in the channel kneck that installation cavity (3) formed.
3. The scroll compressor backpressure device of claim 1, wherein: the motor base (6) is fixedly arranged at the bottom groove in the machine shell (7).
4. The scroll compressor backpressure device of claim 1, wherein: the surface of the sealing cushion plate (1) is provided with a fixed-point type mounting piece (2).
5. The scroll compressor backpressure device of claim 1, wherein: and a motor base (6) is assembled at the lower part of the structure of the vortex disc mounting cavity (3).
6. The scroll compressor backpressure device of claim 1, wherein: the mounting point of the air valve (8) is internally communicated with a vortex disc mounting cavity (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202120089796.8U CN214887716U (en) | 2021-01-13 | 2021-01-13 | Backpressure device of scroll compressor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120089796.8U CN214887716U (en) | 2021-01-13 | 2021-01-13 | Backpressure device of scroll compressor |
Publications (1)
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CN214887716U true CN214887716U (en) | 2021-11-26 |
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CN202120089796.8U Active CN214887716U (en) | 2021-01-13 | 2021-01-13 | Backpressure device of scroll compressor |
Country Status (1)
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CN (1) | CN214887716U (en) |
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2021
- 2021-01-13 CN CN202120089796.8U patent/CN214887716U/en active Active
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220630 Address after: 124207 Pingfang village north, Ping'an Township, Dawa County, Panjin City, Liaoning Province Patentee after: Liaoning Longfa Petroleum Equipment Co.,Ltd. Address before: 300074 No. 98, 6th Street, TEDA, Binhai New Area, Tianjin Patentee before: Xie Binbin |
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TR01 | Transfer of patent right |