CN202789411U - Air pressurizing mechanism of safe-air-pressure refrigerator - Google Patents
Air pressurizing mechanism of safe-air-pressure refrigerator Download PDFInfo
- Publication number
- CN202789411U CN202789411U CN 201220409043 CN201220409043U CN202789411U CN 202789411 U CN202789411 U CN 202789411U CN 201220409043 CN201220409043 CN 201220409043 CN 201220409043 U CN201220409043 U CN 201220409043U CN 202789411 U CN202789411 U CN 202789411U
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- piston
- cylinder
- air
- gas channel
- exhaust hood
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Abstract
The utility model discloses an air pressurizing mechanism of a safe-air-pressure refrigerator, aiming at solving the problems that dead volume is produced and the working efficiency is influenced when the air suction device of a reciprocating compressor in the prior art. The air pressurizing mechanism comprises an air cylinder (1), a piston (2), a main air channel (3), an auxiliary air channel (4), an air suction valve (5), an exhaust hood (6) and an exhaust valve (7), wherein the air cylinder (1) is provided with an inner chamber, the piston (2) is sheathed in the air cylinder (1) and is movably connected with the air cylinder (1), the main air channel (3) is arranged in the piston (2), the auxiliary air channel (4) is arranged on the piston (2) and is used for communicating the main air channel (3) with the external world, the air suction valve (5) is fixedly arranged at one end of the piston (2), the exhaust hood (6) is sheathed at the end part of the air cylinder (1) and the exhaust valve (7) is arranged in the exhaust hood and is movably connected with the air cylinder (1) through a valve spring. The other end of the piston (2) extends to the external part of the air cylinder (1) and a connector (8) which is used for being connected with a power source is additionally arranged at the end part of the piston (2). The air suction valve (5) is fixedly welded at the end part of the piston (2).
Description
Technical field
The utility model relates to a kind of suction means, specifically, is that a kind of substitute is pressed refrigerator air pressurized mechanism.
Background technique
Compressor is a kind of driven fluid machinery that low-pressure gas is promoted to high pressure.It is the heart of refrigeration system, it sucks the refrigerant gas of low-temp low-pressure from sucking pipe, after driving piston it is compressed by motor rotation, discharge the refrigerant gas of High Temperature High Pressure to outlet pipe, for refrigeration cycle provides power, thus the refrigeration cycle of realization compression, condensation, expansion, evaporation (heat absorption).And the suction means in the compressor is the heart of whole compressor.At present, the suction means of compressor all is to do reciprocatory motion by piston to carry out air-breathing, exhaust on the market, mainly there is following shortcoming in it: the Aspirating valves in the suction means of traditional compressor all is to be fixed with fixing bolt, and fixing bolt has nut, this nut inevitably can occupy certain gas flow area, and then when the suction means operation, produce dead volume, affect working efficiency; On the other hand, exhaust hood only is buckled in the end of cylinder in the suction means of traditional compressor, and its connection is very insecure, often comes off in addition in the working procedure, has not only reduced working efficiency, and has increased cost of equipment maintenance.
The model utility content
The purpose of this utility model is to overcome defects, provide a kind of overall structure simple, realize easily suction means.
To achieve these goals, the scheme of the utility model employing is as follows:
Substitute is pressed refrigerator air pressurized mechanism, comprise the cylinder with inner chamber, be socketed in this cylinder and the piston that is flexibly connected with it, be arranged on the main gas channel in the piston, be arranged on the piston in order to be communicated with the secondary gas channel in main gas channel and the external world, be fixed on the Aspirating valves of piston one end, be socketed in the exhaust hood of cylinder end, and be arranged in this exhaust hood and by the outlet valve of valve spring with the cylinder flexible connection; The other end of described piston extends to the cylinder outside and also is provided with one in order to connect the connecting body of power source in this end, and described Aspirating valves is fixed by welding in pistons end, and described Aspirating valves is the disc of thin-slab structure, its size is complementary with piston, and described exhaust hood is the dome cap shape and is fastenedly connected in the cylinder end by self-locking bolt.
Further, described main gas channel and secondary gas channel are cylindrical, and the radius of secondary gas channel is 1/4th of main gas channel radius.
Further, the internal chamber wall close contact of described piston and cylinder.
Simultaneously, described exhaust hood adapter sleeve is connected on the end of cylinder.
Further, described Aspirating valves and outlet valve are positioned at the same side.
The utility model compared with prior art has the following advantages and beneficial effect:
(1) the utility model is not only simple in structure, and with low cost, realization convenience;
(2) Aspirating valves in the utility model is by welding the end that directly is fixed on piston, its soldering point is hidden in the joint of Aspirating valves and cylinder end, thereby replaced the fixedly mode of Aspirating valves of traditional clamping bolt, and then avoided bolt nut to take certain space and the dead volume that brings, cause gas flow area to reduce, to such an extent as to the defective that compressor efficiency reduces;
(3) piston and cylinder close contact in the utility model, effectively prevented piston in doing reciprocatory motion owing to its with cylinder between be connected the defective that the slit leaks gas;
(4) material therefor is common on the market common material in the utility model, and its cost is cheap than the suction means of traditional compressor, has established favourable basis for it promotes the use on a large scale;
(5) exhaust hood is the dome cap shape and is fastenedly connected in the cylinder end by self-locking bolt in the utility model, self-locking bolt can be locked voluntarily according to external force, effectively prevented the defective that exhaust hood comes off in addition because gas impacts, not only guarantee manufacturing efficiency, and reduced widely cost of equipment maintenance;
(6) Aspirating valves is the disc of thin-slab structure in the utility model, and its size is complementary with piston, thin-slab structure has not only reduced the thickness of Aspirating valves widely, increased gas flow area, and when guaranteeing the air valve normal operation, the comparatively traditional Aspirating valves of its distortion is more prone to, thereby has improved widely the working efficiency of compressor air suction device.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Wherein, the component name that reference character is corresponding is called: 1-cylinder, 2-piston, 3-master's gas channel, the secondary gas channel of 4-, 5-Aspirating valves, 6 exhaust hoods, 7-outlet valve, 8-connecting body.
Embodiment
Below in conjunction with embodiment and accompanying drawing thereof the utility model is described in further detail, but mode of execution of the present utility model is not limited to this.
Embodiment
As shown in Figure 1, substitute is pressed refrigerator air pressurized mechanism, comprise the cylinder 1 with inner chamber, be socketed in this cylinder 1 and the piston 2 that is flexibly connected with it, be arranged on the main gas channel 3 in the piston 2, be arranged on the piston 2 in order to be communicated with main gas channel 3 and extraneous secondary gas channel 4, be fixed on the Aspirating valves 5 of piston 2 one ends, be socketed in the exhaust hood 6 of cylinder 1 end, and be arranged in this exhaust hood and by the outlet valve 7 of valve spring with cylinder 1 flexible connection; It is outside and also be provided with a connecting body 8 in order to connect power source in this end that the other end of described piston 2 extends to cylinder 1, described Aspirating valves 5 is fixed by welding in piston 2 ends, its soldering point is hidden in the joint of Aspirating valves and cylinder end, thereby replaced the fixedly mode of Aspirating valves of traditional clamping bolt, and then avoided bolt nut to take certain space and the dead volume that brings, cause gas flow area to reduce, to such an extent as to the defective that compressor efficiency reduces.
In the present embodiment, for so that gas communication is quicker, it is cylindrical that described main gas channel 3 and secondary gas channel 4 are, and the radius of secondary gas channel 4 is 1/4th of main gas channel 3 radiuses; Described exhaust hood 6 adapter sleeves are connected on the end of cylinder 1.
In the present embodiment, in order to prevent suction means in when work phenomenon that leaks air, the internal chamber wall close contact of described piston 2 and cylinder 1.
In the present embodiment, Aspirating valves 5 is the disc of thin-slab structure, and its size is complementary with piston, thin-slab structure has not only reduced the thickness of Aspirating valves widely, increased gas flow area, and when guaranteeing the air valve normal operation, the comparatively traditional Aspirating valves of its distortion is more prone to, thereby has improved widely the working efficiency of compressor air suction device.
In the present embodiment, exhaust hood 6 is fastenedly connected in the cylinder end for the dome cap shape and by self-locking bolt, self-locking bolt can be locked voluntarily according to external force, effectively prevented the defective that exhaust hood 6 comes off in addition because gas impacts, not only guarantee manufacturing efficiency, and reduced widely cost of equipment maintenance.
In the present embodiment, in order better to realize present embodiment, described Aspirating valves 5 is positioned at the same side with outlet valve 7.
According to above-described embodiment, can well realize the utility model.
Claims (5)
1. substitute is pressed refrigerator air pressurized mechanism, it is characterized in that: comprise the cylinder (1) with inner chamber, be socketed in this cylinder (1) and the piston (2) that is flexibly connected with it, be arranged on the main gas channel (3) in the piston (2), it is upper in order to be communicated with the secondary gas channel (4) in main gas channel (3) and the external world to be arranged on piston (2), be fixed on the Aspirating valves (5) of piston (2) one ends, be socketed in the exhaust hood (6) of cylinder (1) end, and be arranged in this exhaust hood and by the outlet valve (7) of valve spring with cylinder (1) flexible connection; It is outside and also be provided with a connecting body (8) in order to connect power source in this end that the other end of described piston (2) extends to cylinder (1), described Aspirating valves (5) is fixed by welding in piston (2) end, and described Aspirating valves (5) is the disc of thin-slab structure, its size is complementary with piston (2), and described exhaust hood (6) is fastenedly connected in cylinder (1) end for the dome cap shape and by self-locking bolt.
2. substitute according to claim 1 is pressed refrigerator air pressurized mechanism, it is characterized in that: described main gas channel (3) and secondary gas channel (4) are cylindrical, and the radius of secondary gas channel (4) is 1/4th of main gas channel (3) radius.
3. substitute according to claim 2 is pressed refrigerator air pressurized mechanism, it is characterized in that: the internal chamber wall close contact of described piston (2) and cylinder (1).
4. substitute according to claim 3 is pressed refrigerator air pressurized mechanism, and it is characterized in that: described exhaust hood (6) adapter sleeve is connected on the end of cylinder (1).
5. substitute according to claim 4 is pressed refrigerator air pressurized mechanism, it is characterized in that: described Aspirating valves (5) is positioned at the same side with outlet valve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220409043 CN202789411U (en) | 2012-08-17 | 2012-08-17 | Air pressurizing mechanism of safe-air-pressure refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220409043 CN202789411U (en) | 2012-08-17 | 2012-08-17 | Air pressurizing mechanism of safe-air-pressure refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202789411U true CN202789411U (en) | 2013-03-13 |
Family
ID=47816685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220409043 Expired - Fee Related CN202789411U (en) | 2012-08-17 | 2012-08-17 | Air pressurizing mechanism of safe-air-pressure refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202789411U (en) |
-
2012
- 2012-08-17 CN CN 201220409043 patent/CN202789411U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20130817 |