CN215333429U - Cylinder of light-weight rotor compressor - Google Patents
Cylinder of light-weight rotor compressor Download PDFInfo
- Publication number
- CN215333429U CN215333429U CN202121662637.9U CN202121662637U CN215333429U CN 215333429 U CN215333429 U CN 215333429U CN 202121662637 U CN202121662637 U CN 202121662637U CN 215333429 U CN215333429 U CN 215333429U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- hole
- holes
- compressor
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model provides a light-weight rotor compressor's cylinder, belongs to compressor technical field, includes the ring type cylinder of well expert at least, the middle part outside of cylinder is around being equipped with the recess, and the cylinder end face on recess upper portion is equipped with a plurality of first through-holes, and the cylinder end face of recess lower part is equipped with the second through-hole that corresponds with first through-hole quantity and position. This compressor cylinder reduces the weight of cylinder through encircleing in the side and being equipped with the deep trouth, and then reduces rotor compressor's weight, and this compressor cylinder combines into a process with the fixed process of last cylinder cap and cylinder, the fixed process of lower cylinder cap and cylinder simultaneously, has reduced required equipment in the assembling process simultaneously, has reduced the process of upset and transportation, and consequently this compressor cylinder's assembly process is simpler, production efficiency is high, low in production cost.
Description
Technical Field
The utility model relates to a cylinder of a light-weight rotor compressor, belonging to the technical field of compressors.
Background
The compressor is a fluid machine for lifting low-pressure gas into high-pressure gas, is a heart of a refrigeration system, sucks low-temperature low-pressure refrigerant gas from an air suction pipe, utilizes a motor to operate and drive a piston to compress the low-temperature low-pressure refrigerant gas, and then discharges the high-temperature high-pressure refrigerant gas to an exhaust pipe, thereby providing power for a refrigeration cycle.
At present, a rotor compressor is shown in an attached drawing 2 of the specification, a plurality of threaded through holes are formed in an air cylinder, the fixing process of an upper cylinder cover and the air cylinder and the fixing process of a lower cylinder cover and the air cylinder adopted by the air cylinder structure are two processes, specifically, the upper cylinder cover and the air cylinder are assembled on an upper cylinder cover centering machine, a pump body screw is matched with the threaded through hole of the air cylinder to be connected with a locking position, the assembling direction at the moment is opposite to that of a drawing, then, an assembly of the upper cylinder cover and the air cylinder is inverted and placed in the lower cylinder cover centering machine, a crankshaft, a piston and a lower cylinder cover are installed into the assembly, the pump body screw is locked after the lower cylinder cover centering machine is used for centering, two types of equipment are required in the process, the assembling process is required to be turned over and transported, the production efficiency is low, and the production cost is high. Meanwhile, the wall thickness of the cylinder is thick, so that the weight of the rotor compressor is heavier, and the pressure on other equipment is higher.
Disclosure of Invention
In order to solve the technical problems in the prior art, the utility model provides the cylinder of the light-weight rotor compressor, which has the advantages of light volume and easy assembly.
The technical scheme for achieving the purpose of the utility model is that the lightweight rotor compressor cylinder at least comprises a hollow circular cylinder, wherein a groove is formed in the outer side of the middle of the cylinder in a surrounding mode, a plurality of first through holes are formed in the cylinder end face of the upper portion of the groove, and second through holes corresponding to the first through holes in number and position are formed in the cylinder end face of the lower portion of the groove.
Moreover, the longitudinal section of the cylinder is in a shape of [ ].
And the lower cylinder cover of the light-weight rotor compressor is arranged at the top of the cylinder, the upper cylinder cover of the light-weight rotor compressor is arranged at the bottom of the cylinder, the lower cylinder cover is provided with unthreaded holes corresponding to the number and the positions of the first through holes, and the upper cylinder cover is provided with threaded holes corresponding to the number and the positions of the second through holes.
And the pump body screws sequentially penetrate through the unthreaded hole of the lower cylinder cover, the first through hole and the groove of the cylinder, the second through hole of the cylinder and the threaded hole of the upper cylinder cover and are in threaded connection with the threaded holes of the upper cylinder cover.
Moreover, the whole groove is annular, and the longitudinal section of the groove is rectangular.
Moreover, the thickness between the inner side wall of the cylinder and the bottom of the groove is not less than 1/8 of the inner diameter of the cylinder; the thickness of the cylinder end surface at the upper part of the groove is not less than 1/4 of the total height of the cylinder.
And the axis of the first through hole of the cylinder and the axis of the second through hole of the cylinder are parallel to the central axis of the cylinder, and the axis of the first through hole of the cylinder, the axis of the second through hole of the cylinder and the central axis of the cylinder are vertical axes
And the first through hole and the second through hole of the cylinder are both positioned outside the groove bottom of the groove.
And the first through hole and the second through hole of the cylinder are all unthreaded holes.
Moreover, the number of the first through holes and the number of the second through holes are not less than 4.
According to the technical scheme, the method comprises the following steps: (1) the light-weight rotor compressor cylinder provided by the utility model is characterized in that the side surface of the cylinder is provided with the groove in a surrounding manner, so that the weight of the cylinder is reduced, and further, the weight of the rotor compressor is reduced. The problem of current cylinder wall thickness thick, cause rotor compressor's weight to be overweight, to other equipment pressure great is solved.
(2) The light-weight rotor compressor cylinder provided by the utility model only needs to utilize the aligning pressing claw (the aligning pressing claw has two functions of aligning and pressing the cylinder) to adjust the positions of the upper cylinder cover and the cylinder, then the aligning pressing claw is used for pressing the bottom edge of the groove of the cylinder, the crankshaft, the piston and the lower cylinder cover are directly placed above without turning upside down, the position of the lower cylinder cover is adjusted by utilizing the clamping jaw of the aligning pressing claw, then the pump body screw sequentially passes through the unthreaded hole of the lower cylinder cover, the first through hole of the cylinder, the groove, the second through hole of the cylinder and the threaded hole of the upper cylinder cover, and is in threaded connection with the threaded hole of the upper cylinder cover to be screwed and locked, thus the aims of aligning and assembling of the whole structure are fulfilled The processes of overturning and transferring are reduced, so that the assembly process of the compressor cylinder is simpler, the production efficiency is high, and the production cost is low.
(3) The through hole of the lightweight rotor compressor cylinder provided by the utility model is a unthreaded hole, and the machining process is simplified and the production cost is reduced by eliminating the machining of a threaded hole.
Drawings
Fig. 1 is a schematic cross-sectional view of a cylinder of a lightweight rotary compressor according to the present invention;
FIG. 2 is a schematic view of a prior art assembled rotor compressor cylinder;
FIG. 3 is a schematic view of the assembly of a cylinder of a lightweight rotary compressor according to the present invention;
FIG. 4 is a schematic view of a first stage assembly of a cylinder of a lightweight rotary compressor according to the present invention;
FIG. 5 is a schematic view of a second stage assembly of the cylinder of the lightweight rotary compressor provided in accordance with the present invention;
FIG. 6 is a schematic view of the aligning pressing claw according to the present invention;
in the figure: 1. a cylinder; 2. a first through hole; 3. the thickness of the cylinder end face at the upper part of the groove; 4. a groove; 5. a second through hole; 6. the thickness between the inner side wall of the cylinder and the bottom of the groove; 7. a lower cylinder cover; 8. an upper cylinder cover; 9. pump body screws used in the prior art; 10. a pump body screw; 11. aligning press claw; 12. the central axis of the cylinder; 13. a crankshaft; 14. a piston; 15. the screw hole of upper cylinder cap.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples, and the present invention is not limited to the examples.
As shown in fig. 1, a cylinder of a light-weight type rotor compressor at least comprises a circular ring type cylinder communicated with the inside, a groove 4 is arranged around the outside of the middle part of the cylinder 1, the whole groove is annular in the embodiment, the longitudinal section of the groove is rectangular, the groove can remarkably reduce the weight of the cylinder, the weight of the rotor compressor is further reduced, and the problem that the existing cylinder is thick in wall thickness, heavy in weight and large in pressure on other equipment, which causes the rotor compressor, is solved.
The assembly completion schematic diagram of the rotor compressor cylinder among the prior art is shown in fig. 2, and the cylinder structure is the ring type of well expert only, is provided with a plurality of screw through-holes on the cylinder, because the pump body screw 9 that prior art adopted is shorter, need squeeze into two upper and lower pump body screws in same screw through-hole and satisfy the assembly needs, and screw through-hole is connected with pump body screw cooperation respectively about the cylinder, and the assembly process of the rotor compressor cylinder among the prior art does: assemble upper cylinder cover 8 and cylinder on upper cylinder cover centering machine, utilize pump body screw dead lock position, the direction of cylinder cover and cylinder this moment is opposite with the drawing, afterwards, then invert the subassembly of upper cylinder cover and cylinder, put in lower cylinder cover centering machine, pack into the subassembly with bent axle and piston and lower cylinder cover 7 again, utilize lower cylinder cover centering machine self-aligning back locking pump body screw, assemble the cylinder among the prior art and need two kinds of equipment of upper cylinder cover centering machine and lower cylinder cover centering machine, still need overturn and transport, the assembly flow is complicated, low in production efficiency, high in production cost.
The assembly completion schematic diagram of the cylinder of the lightweight rotor compressor is shown in fig. 3, the longitudinal section of the cylinder is in a shape of [ ], the cylinder end surface at the upper part of the groove is provided with a plurality of first through holes 2, the cylinder end surface at the lower part of the groove is provided with second through holes 5 corresponding to the first through holes in number and position, the first through holes and the second through holes of the cylinder are both positioned outside the groove bottom of the groove, and the axis of the first through holes of the cylinder and the axis of the second through holes of the cylinder are both parallel to the central axis 12 of the cylinder.
In order to ensure the structural strength of the cylinder during normal air suction and exhaust, the thickness 6 between the inner side wall of the cylinder and the bottom of the groove is not less than 1/8 passing through the cylinder; in order to ensure that the cylinder has enough strength and does not deform during the assembly process of the cylinder, the thickness of the cylinder end surface at the upper part of the groove is not less than 1/4 of the total height of the cylinder.
The lower cylinder cover 7 of the light-weight rotor compressor is arranged at the top of the cylinder, the upper cylinder cover 8 of the light-weight rotor compressor is arranged at the bottom of the cylinder, the lower cylinder cover is provided with unthreaded holes corresponding to the number and positions of the first through holes, and the upper cylinder cover is provided with threaded holes corresponding to the number and positions of the second through holes. The pump body screw 10 that this scheme adopted is longer, can pass the unthreaded hole of lower cylinder cap, the first through-hole of cylinder, recess, the second through-hole of cylinder and the screw hole of last cylinder cap in proper order to 15 threaded connection with the screw hole of last cylinder cap. And the first through hole and the second through hole of cylinder are the unthreaded hole, have cancelled the process to cylinder screw hole processing among the prior art, reduction in production cost.
The specific assembly stage drawings refer to fig. 4 and 5, the positions of an upper cylinder cover and a cylinder are adjusted only by using a centering pressing claw 11, the bottom edge of a groove of the cylinder is pressed by using the centering pressing claw without turning upside down, a crankshaft 13, a piston 14 and a lower cylinder cover 7 are directly placed into the cylinder, the position of the lower cylinder cover is adjusted by using a clamping jaw of the centering pressing claw, a pump body screw 10 sequentially penetrates through a unthreaded hole of the lower cylinder cover, a first through hole and a groove of the cylinder, a second through hole of the cylinder and a threaded hole of the upper cylinder cover, and is screwed and locked with the threaded hole of the upper cylinder cover in a threaded manner, so that the purposes of centering and assembling of the whole structure are fulfilled High production efficiency and low production cost. The centering pressing claw 11 has two functions of centering and pressing for the cylinder, and the schematic diagram is shown in fig. 6.
Preferably, in order to ensure that the structural connection is stable, the number of the first through holes and the second through holes and the number of the corresponding pump body screws are not less than 4.
Claims (10)
1. The utility model provides a cylinder of light-weight rotor compressor, includes the ring type cylinder of well expert at least, its characterized in that: the middle part outside of cylinder is equipped with the recess in the surrounding way, and the cylinder terminal surface on recess upper portion is equipped with a plurality of first through-holes, and the cylinder terminal surface of recess lower part is equipped with the second through-hole that corresponds with first through-hole quantity and position.
2. The cylinder of the light weight type rotary compressor of claim 1, wherein: the longitudinal section of the cylinder is in a shape of [ ].
3. The cylinder of the light weight type rotary compressor of claim 2, wherein: the lower cylinder cover of the light-weight rotor compressor is arranged at the top of the cylinder, the upper cylinder cover of the light-weight rotor compressor is arranged at the bottom of the cylinder, the lower cylinder cover is provided with unthreaded holes corresponding to the number and the positions of the first through holes, and the upper cylinder cover is provided with threaded holes corresponding to the number and the positions of the second through holes.
4. The cylinder of the light weight type rotary compressor of claim 3, wherein: the pump body screws sequentially penetrate through the unthreaded holes of the lower cylinder cover, the first through holes of the cylinders, the grooves, the second through holes of the cylinders and the threaded holes of the upper cylinder cover and are in threaded connection with the threaded holes of the upper cylinder cover.
5. The cylinder of the light weight type rotary compressor of claim 2, wherein: the whole groove is annular, and the longitudinal section of the groove is rectangular.
6. The cylinder of the light weight type rotary compressor of claim 2, wherein: 1/8 the thickness between the inner side wall of the cylinder and the groove bottom is not less than the inner diameter of the cylinder; the thickness of the cylinder end surface at the upper part of the groove is not less than 1/4 of the total height of the cylinder.
7. The cylinder of the light weight type rotary compressor of claim 2, wherein: the axis of the first through hole of the cylinder, the axis of the second through hole of the cylinder are all parallel to the central axis of the cylinder, and the axis of the first through hole of the cylinder, the axis of the second through hole of the cylinder and the central axis of the cylinder are vertical axes.
8. The cylinder of the light weight type rotary compressor of claim 2, wherein: the first through hole and the second through hole of cylinder all are located the tank bottom outside of recess.
9. The cylinder of the light weight type rotary compressor of claim 8, wherein: the first through hole and the second through hole of the cylinder are unthreaded holes.
10. The cylinder of the light weight type rotor compressor according to claim 9, wherein: the number of the first through holes and the number of the second through holes are not less than 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121662637.9U CN215333429U (en) | 2021-07-21 | 2021-07-21 | Cylinder of light-weight rotor compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121662637.9U CN215333429U (en) | 2021-07-21 | 2021-07-21 | Cylinder of light-weight rotor compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215333429U true CN215333429U (en) | 2021-12-28 |
Family
ID=79570174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121662637.9U Active CN215333429U (en) | 2021-07-21 | 2021-07-21 | Cylinder of light-weight rotor compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215333429U (en) |
-
2021
- 2021-07-21 CN CN202121662637.9U patent/CN215333429U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215333429U (en) | Cylinder of light-weight rotor compressor | |
| CN2821230Y (en) | Novel compressor cylinder | |
| CN102168662B (en) | Hydraulic direct-drive vertical multi-cylinder mud pump | |
| CN209925165U (en) | Long-wheelbase three-row three-cylinder vertical compressor | |
| CN211819839U (en) | DC brushless vacuum pump | |
| CN110425106B (en) | Piston assembly for linear compressor | |
| CN2064832U (en) | Middle axial compensationally sealed gear pump | |
| CN206653168U (en) | A kind of Vehicular air-conditioner compressor front end-plate fixture for processing | |
| CN218325224U (en) | Diaphragm compressor connecting rod structure | |
| CN213392445U (en) | Manifold assembly for air intake of matched engine | |
| CN212430430U (en) | High-strength gas storage tank for laser cutting compressor | |
| CN213954321U (en) | Piston pin capable of changing compression ratio of engine | |
| CN219444953U (en) | Stator shielding sleeve assembling device | |
| CN109915340A (en) | Three column of long wheelbase, three cylinder vertical compressor | |
| CN210239948U (en) | Novel compressor piston | |
| CN215213810U (en) | Portable full-oil-free gas supercharger | |
| CN217712890U (en) | Liquid-driven diaphragm compressor | |
| CN218760366U (en) | Gas metal diaphragm compressor structure | |
| CN217129752U (en) | Compressor with differential pressure unloading valve | |
| CN218964612U (en) | Gas turbine power turbine press | |
| CN220622113U (en) | Compressor crankcase | |
| CN212690290U (en) | Lightweight compressor housing | |
| CN114198288B (en) | Multistage supercharging zero clearance type ionic liquid compressor | |
| CN210423395U (en) | Eccentric wheel shaft for reciprocating pump | |
| CN216342526U (en) | Plunger sleeve hoisting type oil pumping system of high-pressure oil supply pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |