CN114198286A - Reciprocating compressor - Google Patents
Reciprocating compressor Download PDFInfo
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- CN114198286A CN114198286A CN202111492292.1A CN202111492292A CN114198286A CN 114198286 A CN114198286 A CN 114198286A CN 202111492292 A CN202111492292 A CN 202111492292A CN 114198286 A CN114198286 A CN 114198286A
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- 238000002360 preparation method Methods 0.000 claims 1
- 239000000837 restrainer Substances 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 6
- 238000007906 compression Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 235000014676 Phragmites communis Nutrition 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
- F04B39/1046—Combination of in- and outlet valve
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- Engineering & Computer Science (AREA)
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- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The invention provides a reciprocating compressor suitable for high-pressure working conditions, which comprises an air suction pipe, an air suction valve, a cylinder, a piston, an exhaust valve, an exhaust pipe, a valve plate and a cylinder cover, wherein the air suction valve and the exhaust valve adopt an integrated design scheme, so that the volumetric efficiency of the compressor is improved, meanwhile, an air valve of the compressor is more convenient to mount, maintain and replace, the air circulation resistance is small, the air can be more quickly introduced and discharged, the rapid change of the pressure in the cylinder can be better borne, and the reciprocating compressor is not easy to damage.
Description
Technical Field
The invention relates to the field of compressors, in particular to a reciprocating compressor.
Background
The reciprocating compressor is a compressor which can periodically change the volume of a cylinder body and realize the pressurization and conveying of gas through the reciprocating motion of a piston or a diaphragm in a cylinder, the air valve position of a medium-sized compressor and a small-sized compressor introduces larger clearance volume, so that the volumetric efficiency of the compressor is reduced, particularly under the working condition of high pressure ratio, the efficiency of the compressor is extremely low, the air valve structure is arranged in a split mode, a valve plate and a limiter are fixed on a valve plate by bolts, the maintenance and the replacement are difficult, and particularly, an air suction valve is often arranged in the cylinder, so that the disassembly and the assembly are complex.
The suction valve and the exhaust valve of the reciprocating compressor usually adopt reed valve structures and are composed of a first valve seat, a valve plate, a first spring and a first limiter, but the existing air valve is the valve plate, and the valve plate of the suction valve is installed in an air cylinder and is not easy to disassemble and replace; meanwhile, the limiter is required to be installed in the cylinder, so that a clearance volume is inevitably formed, and the efficiency of the compressor is reduced; and the high and low pressure on the two sides of the reed tongue changes violently, so that larger alternating stress is generated, the reed tongue is easy to break, and more technical defects exist.
Therefore, the small and medium-sized integrated compressor is provided, the suction valve and the exhaust valve are designed in an integrated mode, the gas circulation resistance is small, gas can enter more quickly, the efficiency of the compressor is improved more uniformly, the pressure in the cylinder can be borne rapidly and better, and the problem that the compressor is difficult to damage and needs to be solved urgently by technical personnel in the field is solved.
Disclosure of Invention
The invention is based on at least one of the technical problems, and provides an integrated small and medium-sized compressor, wherein a suction valve and an exhaust valve are integrally designed, so that the installation, the maintenance and the replacement are more convenient, the gas circulation resistance is small, the gas can be more quickly introduced and discharged, the compressor efficiency is more uniformly improved, the rapid pressure change in a cylinder can be better borne, and the damage is not easy.
In view of the above, the present invention provides a reciprocating compressor, comprising a suction pipe, a suction valve, a cylinder, a piston, a discharge valve, a discharge pipe, a valve plate and a cylinder cover, wherein the cylinder cover and the valve plate form an isolated suction chamber and a discharge chamber;
the suction valve comprises a first valve seat, a first valve core, a first spring and a first limiter; the first limiter is matched with the first valve core and sleeved outside the upper part of the first valve core; the first valve core, the first spring and the first limiter are all sleeved inside the first valve seat; the first spring is arranged below the limiter; an annular boss is arranged on the outer wall of the valve seat.
The exhaust valve comprises a second valve seat, a second valve core, a second spring and a second limiter; wherein the outer wall of the second valve seat is provided with an annular boss; the second spring is arranged on the second valve core, and the second limiter is arranged on the second spring; the valve core is sleeved in the valve seat II; a plurality of flow holes are formed in the two walls of the valve seat; and a gap exists between the second limiter and the upper end of the second valve core.
The annular boss is used for fixing, the air suction valve and the exhaust valve are fixed in the air suction hole and the exhaust hole, the air suction valve and the exhaust valve are prevented from moving when the compressor works, the compressed air of the compressor has no clearance volume, and the effect of complete compression is achieved.
The second valve core is provided with a through hole for gas to flow through.
And fixing a second spring between the second valve core and the second limiter, and limiting the maximum opening of the second valve core. The maximum displacement of the second valve core is determined by the distance between the second limiter and the second valve core.
Furthermore, a guide support column is arranged in the first valve seat; the guide support column comprises a guide column vertically arranged and a spring support column vertically arranged with the guide column; the spring support column is arranged on the inner wall of the valve seat; the first spring is arranged on the spring supporting column; the guide post is arranged below the limiter, and a gap exists between the guide post and the limiter.
The guide support column is used for limiting the first valve core to move in the first valve seat along the direction of the cylindrical surface of the guide column. Meanwhile, the guide support column has a guide function on one hand for the valve core I and a guide function on the other hand for the spring I.
Furthermore, the bottom surface of the spring support column is a conical surface; the side surface of the guide post is a cylindrical surface; the conical surface and the cylindrical surface are respectively matched with the first valve core.
Further, the first valve core comprises a first cylindrical ring, a second cylindrical ring and a conical base plate; the cylindrical ring II is arranged above the conical chassis; the first cylindrical ring is arranged above the second cylindrical ring; the first limiter is arranged above the second cylindrical ring and sleeved outside the first cylindrical ring; the cylindrical ring II is matched with the side cylindrical surface of the guide column; the conical chassis is matched with the conical surface of the bottom surface of the spring support column; the conical chassis is arranged below the conical surface.
Furthermore, the first limiter comprises a first limiting ring column and a second limiting ring column; the limiting ring column is sleeved outside the limiting ring column I; the limiting ring column is sleeved outside the cylindrical ring I; the first spring is arranged below the second limiting ring column.
And fixing the first spring between the first valve seat and the first limiter, and limiting the maximum opening of the first valve core. The maximum displacement of the first valve core is determined by the distance between the first limiter and the guide post.
Furthermore, a supporting platform is arranged in the second valve seat; and a second spring is arranged on the supporting platform.
Further, the valve core II is in a structure that a hollow cylinder at the upper end is connected with an inverted cone at the lower part and is matched with the valve seat II; wherein the supporting platform is arranged at the junction of the hollow cylinder and the inverted cone; the circulation hole is arranged on the hollow cylinder.
The lower part of the inner side of the second valve seat is an inverted conical surface, the upper part of the second valve seat is a cylindrical surface, and the inverted conical surface is consistent with the cylindrical surface and the outer contour of the second valve core and is used for limiting the second valve core to move along the direction of the cylindrical surface of the inner side of the second valve seat.
The second valve core is of a structure that a hollow cylinder at the upper end is connected with an inverted cone downwards, the inverted cone is matched with the lower portion of the inner side of the second valve seat to limit the closing position of the second valve core, and the hollow cylinder at the upper end is matched with the cylindrical surface of the upper portion of the inner side of the second valve seat to enable the second valve core to move only in the direction of the cylindrical surface on the inner side of the second valve seat.
And a second spring supporting plane is arranged in the second valve core, and downward pressure is applied to the second valve core, so that the second valve core is better sealed.
Furthermore, the second limiter comprises a first limiting ring column and a second limiting ring column; the limiting ring column II is sleeved outside the limiting ring column I; the outer side of the second limiting ring column is matched with the inner wall of the upper part of the second valve core; the second spring is arranged below the first limiting ring column.
When the air suction valve is opened, the first valve core and the first limiter move downwards, the first spring is compressed, the conical base plate of the first valve core and the inner wall surface of the first valve seat form a ring-assembly flow area, and compared with a conventional cylindrical air suction hole, the air flow resistance is small, so that air can enter more quickly and more uniformly. When the suction valve group is closed, the conical chassis of the valve core is used as a supporting surface, so that the pressure in the cylinder can be better borne to be changed rapidly, and the valve is not easy to damage.
When the exhaust valve is opened, the second valve core and the second spring move upwards, the second spring is compressed, the outer side of the inverted cone of the second valve core and the inverted cone surface of the lower part of the inner side of the second valve seat form an annular flow area, gas enters the exhaust cavity through the flow hole, and compared with a conventional cylindrical exhaust hole, the exhaust valve is small in gas flow resistance, so that the gas enters more quickly and more uniformly. And the second spring can reduce the impact force between the second valve core and the limiter.
The conical base plate of the first valve core and the inverted cone of the second valve core are used as supporting surfaces, pressure in the cylinder can be borne well and changes rapidly, the second valve core is not prone to damage, and the lower surfaces of the second valve core and the second valve seat form a completely sealed environment to prevent air leakage.
According to the technical scheme, the suction valve and the exhaust valve are integrally designed, so that the reciprocating compressor is more convenient to mount, maintain and replace, the gas circulation resistance is small, gas can be rapidly introduced and discharged, the efficiency of the compressor is improved more uniformly, the rapid change of the pressure in the cylinder can be better borne, and the reciprocating compressor is not easy to damage.
Drawings
Fig. 1 shows a schematic view of the structure of the compressor of the present invention.
Figure 2 shows a schematic view of the structure of the suction valve according to the invention.
Fig. 3 shows a schematic view of the construction of the inventive venting valve.
Fig. 4 shows a structural schematic diagram of a first valve seat of the invention.
Fig. 5 shows a schematic structural diagram of a first valve core of the invention.
Fig. 6 shows a schematic structural diagram of a first limiter according to the invention.
Fig. 7 shows a schematic structural view of a second valve seat of the present invention.
Fig. 8 shows a schematic structural diagram of a second valve core of the present invention.
Fig. 9 shows a schematic diagram of a second limiter according to the present invention.
In the figure, 1 is an air suction pipe, 2 is an air suction cavity, 3 is an air suction valve, 4 is a cylinder, 5 is a piston, 6 is an exhaust valve, 7 is an exhaust cavity, 8 is an exhaust pipe, 9 is a valve plate, 10 is a cylinder cover, 11 is a valve seat I, 12 is a valve core I, 13 is a spring I, 14 is a limiter I, and 15 is an annular boss
The valve seat II is 16, the valve core II is 17, the spring II is 18, the limiter II is 19, the flow hole is 20, the guide column 21, the spring support column 22, the cylindrical ring I121, the cylindrical ring II 122, the conical chassis 123, the limiting ring column I141 and the limiting ring column II 142; 23 is a supporting platform, 171 is a hollow cylinder, 172 is an inverted cone, 191 is a first limiting ring column, and 192 is a second limiting ring column.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The invention provides a reciprocating compressor, wherein a suction valve 3 and an exhaust valve 6 are integrally designed, so that the installation, maintenance and replacement processes are more convenient, the gas circulation resistance is small, the gas can be more quickly introduced and discharged, the compressor efficiency is more uniformly improved, the rapid pressure change in a cylinder can be better borne, and the reciprocating compressor is not easy to damage, and the structure of the reciprocating compressor is shown in figures 1-9.
Referring to fig. 1 to 9, the present invention provides a reciprocating compressor comprising a suction pipe 1, a suction valve 3, a cylinder, a piston 5, a discharge valve 6, a discharge pipe 8, a valve plate 9 and a cylinder head 10, wherein the cylinder head 10 and the valve plate 9 form an isolated suction chamber 2 and a discharge chamber 7; the suction valve 3 comprises a first valve seat 11, a first valve core 12, a first spring 13 and a first limiter 14; the first limiter 14 is matched with the first valve core 12 and sleeved outside the upper part of the first valve core 12; the first valve core 12, the first spring 13 and the first limiter 14 are sleeved inside the first valve seat 11; the first spring 13 is arranged below the first limiter 14; an annular boss 15 is arranged on the outer wall of the first valve seat 11.
The exhaust valve 6 comprises a second valve seat 16, a second valve core 17, a second spring 18 and a second limiter 19; wherein, the outer wall of the second valve seat 16 is provided with an annular boss 15; the second spring 18 is arranged on the second valve core 17, and the second limiter 19 is arranged on the second spring 18; the valve core is sleeved in the second valve seat 16; a plurality of flow holes 20 are formed in the wall of the second valve seat 16; and a gap exists between the second limiter 19 and the upper end of the second valve core 17.
The annular boss 15 in the embodiment is used for fixing the suction valve 3 and the exhaust valve 6 on the suction hole and the exhaust hole, so that the suction valve and the exhaust valve are prevented from moving when the compressor works, and the compressed gas of the compressor has no clearance volume, thereby achieving the effect of complete compression. Wherein, the second valve core 17 is provided with a through hole for gas to flow through.
And fixing a second spring 18 between the second valve core 17 and a second limiter 19, and limiting the maximum opening of the second valve core 17. The maximum displacement of the second valve core 17 is determined by the distance between the second limiter 19 and the second valve core 17.
In order to further optimize the technical scheme, a guide support column is arranged in the valve seat I11; the guide support column comprises a guide column 21 vertically arranged and a spring support column 22 vertically arranged with the guide column 21; the spring support column 22 is arranged on the inner wall of the first valve seat 11; the first spring 13 is arranged on the spring support column 22; the guide post 21 is disposed below the first limiter 14 with a gap therebetween. The guiding support pillar is used for limiting the valve core one 12 to move in the valve seat one 11 along the direction of the cylindrical surface of the guiding support pillar 21, and meanwhile the guiding support pillar has a guiding function on one hand for the valve core one 12 and also has a guiding function on the other hand for the spring one 13.
In order to further optimize the technical scheme, the bottom surface of the spring supporting column 22 is a conical surface; the side surface of the guide post 21 is a cylindrical surface; the conical surface and the cylindrical surface are respectively matched with the first valve core 12.
In order to further optimize the technical scheme, the first valve core 12 comprises a first cylindrical ring 121, a second cylindrical ring 122 and a conical base plate 123; the second cylindrical ring 122 is arranged above the conical bottom plate 123; the first cylindrical ring 121 is arranged above the second cylindrical ring 122; the first limiter 14 is arranged above the second cylindrical ring 122 and sleeved outside the first cylindrical ring 121; the second cylindrical ring 122 is matched with the cylindrical surface of the side surface of the guide post 21; the conical bottom plate 123 is matched with the bottom conical surface of the spring support column 22; the conical bottom plate 123 is disposed below the conical surface.
For further optimization of the technical scheme, the limiter I14 comprises a limiting ring column I141 and a limiting ring column II 142; the second limiting ring column 142 is sleeved outside the first limiting ring column 141; the first limiting ring column 141 is sleeved outside the first cylindrical ring 121; the first spring 13 is arranged below the second limit ring column 142. In the embodiment, the first spring 13 is fixed between the first valve seat 11 and the first limiter 14, and the maximum opening degree of the first valve core 12 is limited. The maximum displacement of the spool one 12 is determined by the distance between the limiter one 14 and the guide post 21.
In order to further optimize the technical scheme, a supporting platform 23 is arranged in the second valve seat 16; and a second spring 18 is arranged on the supporting platform 23.
The second valve core 17 is a structure that a hollow cylinder 171 at the upper end is connected with an inverted cone 172 at the lower part and is matched with the second valve seat 16; wherein the supporting platform 23 is arranged at the junction of the hollow cylinder 171 and the inverted cone 172; the flow holes 20 are provided on a hollow cylinder 171. Undersides of inner sides of the second valve seats 16 are inverted cone 172 surfaces, the upper portions of the inner sides of the second valve seats are cylindrical surfaces, and the inverted cone 172 surfaces are consistent with the cylindrical surfaces and the outer contours of the second valve cores 17 and are used for limiting the second valve cores 17 to move along the direction of the cylindrical surfaces of the inner sides of the second valve seats 16. The second valve core 17 is in a structure that the upper end hollow cylinder 171 is connected with the lower part of the inverted cone 172, the inverted cone 172 is matched with the lower part of the inner side of the second valve seat 16 to form an inverted cone 172 surface, the closing position of the second valve core 17 is limited, and the upper end hollow cylinder 171 is matched with the cylindrical surface of the upper part of the inner side of the second valve seat 16, so that the second valve core 17 can only move along the cylindrical surface direction on the inner side of the second valve seat 16. And a second spring 18 supporting plane is arranged in the second valve core 17, and downward pressure is given to the second valve core 17, so that the second valve core is better sealed.
For further optimizing the technical scheme, the second limiter 19 comprises a first limiting ring column 191 and a second limiting ring column 192; the second limiting ring column 192 is sleeved outside the first limiting ring column 191; the outer side of the second limit ring column 192 is matched with the inner wall of the upper part of the second valve core 17; the second spring 18 is arranged below the first limiting ring column 191.
The principle of the embodiment of the invention is shown in figure 1: the piston 5 moves to change the volume in the cylinder, when the piston 5 moves downwards, the air suction valve 3 is opened, the exhaust valve 6 is closed, and external air enters the cylinder through the air suction pipe 1, the air suction cavity 2 and the air suction valve 3 in sequence to perform an air suction process. At the moment, the volume of the cylinder is increased, and the pressure in the cylinder is equal to the pressure of the outside air; when the piston 5 moves upwards, the suction valve 3 is closed, the exhaust valve 6 is closed, the air intake process is finished, and the compression process is started. The volume in the cylinder is reduced, and the air pressure is increased; when the exhaust pressure is reached, the exhaust valve 6 is opened, the suction valve 3 is closed, the gas is exhausted through the exhaust cavity 7 and the exhaust pipe 8, the compression process is finished, the exhaust process is started, and the gas in the cylinder is completely exhausted until the piston runs to the top dead center, so that the compression process is finished. Normally the piston 5 is provided with a ring of pistons 5 for sealing the gap between the cylinder and the piston 5, and the cylinder is provided with lubricating oil for lubricating the ring of pistons 5.
In this embodiment, when the suction valve 3 is opened, the first valve element 12 and the first limiter 14 move downward, the first spring 13 is compressed, and the conical bottom plate 123 of the first valve element 12 and the inner wall surface of the first valve seat 11 form an annular flow area. When the air suction valve 3 is closed, the conical base plate 123 of the valve core is used as a supporting surface, so that the pressure in the cylinder can be better borne to be changed rapidly, the valve core is not easy to damage, meanwhile, the exhaust valve 6 is closed, air is sucked in, and the air suction process is completed;
when the exhaust valve 6 is opened, the valve core II 17 and the spring II 18 move upwards, the spring II 18 is compressed, the outer side of the inverted cone 172 of the valve core II 17 and the surface of the inverted cone 172 at the lower part of the inner side of the valve seat II 16 form an annular flow area, and gas enters the exhaust cavity 7 through the through hole. And the second spring 18 can reduce the impact force between the second valve core 17 and the limiter. In addition, the conical bottom plate 123 of the first valve core 12 and the inverted cone 172 of the second valve core 17 are used as supporting surfaces, so that the rapid pressure change in the cylinder can be better borne, the damage is not easy to damage, and the second valve core 17 and the lower surface of the second valve seat 16 form a completely sealed environment to prevent air leakage.
The embodiment of the invention adopts an integrated air suction and exhaust valve 6 structure, effectively improves the volume efficiency of the compressor and facilitates the installation and replacement of the air valve. The basic principle of the air valve is that a valve seat, a valve core, a spring and a limiter of the air valve are sleeved into an integrated assembly through mechanical structure innovation on the basis of ensuring the flow area and the motion characteristics of the air valve, and the problems of clearance volume and difficulty in replacement caused by split installation of the air valve of the traditional small reciprocating compressor are solved.
The embodiment of the invention can exemplarily promote the CO which is environment-friendly2High pressure CO in refrigerant process2The structure can be adopted in the compressor to improve the working efficiency of the compressor and reduce CO2Maintenance costs of the refrigeration system.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A reciprocating compressor comprises an air suction pipe, an air suction valve, a cylinder, a piston, an exhaust valve, an exhaust pipe, a valve plate and a cylinder cover, wherein the cylinder cover and the valve plate form an isolated air suction cavity and an isolated exhaust cavity; it is characterized in that the preparation method is characterized in that,
the suction valve comprises a first valve seat, a first valve core, a first spring and a first limiter; the first limiter is matched with the first valve core and sleeved outside the upper part of the first valve core; the first valve element, the first spring and the first limiter are sleeved in the first valve seat; the first spring is arranged below the limiter; an annular boss is arranged on the outer wall of the valve seat;
the exhaust valve comprises a second valve seat, a second valve core, a second spring and a second limiter; the annular boss is arranged on the outer wall of the second valve seat; the second spring is arranged on the second valve core, and the second limiter is arranged on the second spring; the valve core is sleeved in the second valve seat; a plurality of flow holes are formed in the two walls of the valve seat; and a gap exists between the second limiter and the upper end of the second valve core.
2. The reciprocating compressor of claim 1, wherein a guide support post is provided in one of said valve seats; the guide support column comprises a guide column vertically arranged and a spring support column vertically arranged with the guide column; the spring support column is arranged on one inner wall of the valve seat; the first spring is arranged on the spring supporting column; the guide post is disposed below the restrainer with a gap therebetween.
3. The reciprocating compressor of claim 2, wherein the bottom surface of said spring support post is conical; the side surface of the guide post is a cylindrical surface; the conical surface and the cylindrical surface are respectively matched with the first valve core.
4. The reciprocating compressor of claim 3, wherein the first valve spool comprises a first cylindrical ring, a second cylindrical ring and a conical bottom plate; the second cylindrical ring is arranged above the conical chassis; the first cylindrical ring is arranged above the second cylindrical ring; the first limiter is arranged above the second cylindrical ring and sleeved outside the first cylindrical ring; the second cylindrical ring is matched with the cylindrical surface on the side surface of the guide column; the conical chassis is matched with the conical surface on the bottom surface of the spring support column; the conical chassis is arranged below the conical surface.
5. The reciprocating compressor of claim 4, wherein the first limiter comprises a first limiter ring post and a second limiter ring post; the limiting ring column is sleeved outside the limiting ring column I; the limiting ring column is sleeved outside the cylindrical ring I; the first spring is arranged below the second limiting ring column.
6. The reciprocating compressor of claim 1, wherein a support platform is provided in said second valve seat; and the second spring is arranged on the supporting platform.
7. The reciprocating compressor of claim 6, wherein the second valve core is a structure with a hollow cylinder at the upper end and an inverted cone connected below, and is matched with the second valve seat; wherein the supporting platform is arranged at the junction of the hollow cylinder and the inverted cone; the flow holes are arranged on the hollow cylinder.
8. The reciprocating compressor of claim 6, wherein the second restrictor comprises a first restricting ring leg and a second restricting ring leg; the limiting ring column II is sleeved outside the limiting ring column I; the outer side of the second limiting ring column is matched with the inner wall of the upper part of the second valve core; the second spring is arranged below the first limiting ring column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111492292.1A CN114198286B (en) | 2021-12-08 | Reciprocating compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111492292.1A CN114198286B (en) | 2021-12-08 | Reciprocating compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114198286A true CN114198286A (en) | 2022-03-18 |
| CN114198286B CN114198286B (en) | 2024-10-25 |
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| CN202811374U (en) * | 2012-04-18 | 2013-03-20 | 珠海格力电器股份有限公司 | Exhaust valve structure for compressor and rotary compressor adopting exhaust valve structure |
| CN104110363A (en) * | 2014-07-04 | 2014-10-22 | 广东美芝制冷设备有限公司 | Compressor and refrigeration cycling device provided with same |
| CN208348023U (en) * | 2018-05-02 | 2019-01-08 | 浙江工业职业技术学院 | A kind of tapered air compressor valve gear |
| CN108506192A (en) * | 2018-05-28 | 2018-09-07 | 河北乘风科技有限公司 | A kind of piston compressor inlet valve |
| CN108980433A (en) * | 2018-09-14 | 2018-12-11 | 山东圣阳电源股份有限公司 | Pregnant solution type battery and its gas recombination type exhaust valve |
| CN213235378U (en) * | 2020-09-04 | 2021-05-18 | 自贡东方通用压缩机有限公司 | Air suction mechanism of compressor |
| CN112594424A (en) * | 2020-12-03 | 2021-04-02 | 珠海格力节能环保制冷技术研究中心有限公司 | Exhaust structure, compressor and air conditioner |
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