CN100494691C - Check valve device of reel-style compressor - Google Patents
Check valve device of reel-style compressor Download PDFInfo
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- CN100494691C CN100494691C CNB2004100916349A CN200410091634A CN100494691C CN 100494691 C CN100494691 C CN 100494691C CN B2004100916349 A CNB2004100916349 A CN B2004100916349A CN 200410091634 A CN200410091634 A CN 200410091634A CN 100494691 C CN100494691 C CN 100494691C
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- discharge orifice
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- spool
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Abstract
A check valve device for reel shaft compressor comprises two compressing chambers capable of moving continuously corresponding to the helix reel and valve-checking device. To the top of the reel shaft is an exhaust hole for cooling agent is linked to the compressing chamber and an exhaust channel linked with the hole. A sliding valve could be fixed inside the hole to open or close the channel. The valve-checking device is fixed to the reel shaft to limit the slide valve moving out of the range.
Description
Technical field
The present invention relates to a kind of check vavle device of compressor, particularly relate to and a kind ofly can significantly reduce the impact noise that produces when starting check vavle device, make the check vavle device (CHECK VALVE OF SCROOL COMPRESSOR) of the quiet reel-style compressor of compressor operation environment.
Background technique
So-called general compressor is meant the compression set of fluid such as compression refrigeration gas, and it can be divided into rotary compressor, reciprocating movement type compressor, reel-style compressor etc. according to the different modes of compressor compresses fluid.
Said reel type compressor is the compressor of the high efficiency low noise that widely utilizes in the air conditioner field, two spools of this kind compressor carry out relative turning motion, and having the plurality of compressed chamber between each spool forms a pair of, its working method is as follows, above-mentioned pressing chamber is inhaled into constantly, compresses, discharges along with volume reduces refrigeration agent to moving that central direction continues.
See also shown in Figure 1ly, it is the sectional drawing that reel-style compressor in the past constitutes; See also shown in Figure 2ly, it is the sectional drawing of Fig. 1 major component.
As shown in Figure 1, compressor in the past comprises: form in inside and close cabinet 11 and the press part 31 and the genemotor portion 21 of containing space, wherein, press part is mounted on the inside of above-mentioned cabinet 11, its role is to compressed refrigerant; The effect of genemotor portion 21 is to provide above-mentioned press part 31 required driving force.
One side of above-mentioned cabinet 11 has the suction pipe 13 and the discharge pipe 15 of suction and refrigerant emission, have the upper frame 17 and the lower frame 19 that support press part 31 and genemotor portion 21 in inside, and the two is respectively in the upper and lower mutual dislocation.
Above-mentioned press part 31, it comprises: fixedly spool 33 and spiral spool 35, wherein, fixedly spool is fixedly installed on the upper frame 17, and has the scrollwork 34 of involute shape (Involute); Spiral spool 35 has the scrollwork 36 of involute shape, and matches with fixing spool 33, two pressing chamber S that make its formation continue to move, thus make it carry out when fixedly spool 33 carries out relative movement compressed refrigerant.
In addition, be combined with high low pressure separating plate 39 on the said fixing spool 33, its role is to the separation zone, inner space of cabinet 11 is divided into discharging compression volume Spd and sucks compression volume Sps.
Above-mentioned genemotor 21, it comprises: stator 23 and rotor 25, wherein stator 23 is fixedly installed on cabinet 11 inside, and rotor 25 is installed and is located at the inside of stator 23, and it can be rotated with the running shaft 27 that a side has centrifugal 28.
In addition, has check valve device 40 above the said fixing spool 33, its role is to make and compressed refrigeration agent at pressing chamber S through above-mentioned compressor and be discharged into discharging compression volume Spd, prevent that simultaneously the adverse current phenomenon from appearring in the refrigeration agent that is discharged into discharging compression volume Spd.
Fixedly the upper central of spool 33 is provided with discharge orifice 38, its role is to above-mentioned pressing chamber S of vertical connection and discharging compression volume Spd, and above-mentioned check vavle device 40 is closed this discharge orifice 38 selectively, and the flow direction of regulating refrigeration agent is simultaneously carried out following explanation below to this.
As shown in Figure 2, above-mentioned check vavle device 40, the one end is fixedly installed on the valve plates 41 and valve actuator 42 above the fixing spool 33, one end of above-mentioned valve plates 41 by bolt B be connected said fixing spool 33 above, and be that benchmark flows with the connection part by the pressure difference of pressing chamber S and discharging compression volume Spd, close discharge orifice 38 simultaneously selectively.One end and the valve plates 41 of above-mentioned valve actuator 42 are fixed by bolt B equally, thereby make discharge orifice 38 enter open state, prevent that valve plates 41 from surpassing flowing of range of needs when flowing, promptly retrain valve plates 41 and flow in certain flow range.
Therefore, above-mentioned check vavle device 40, when the pressure of discharging compression volume Spd during greater than the pressure of pressing chamber S, cut off discharge orifice 38, thereby the refrigeration agent adverse current that prevents to be discharged into discharging compression volume Spd is to pressing chamber S, otherwise, when the pressure of discharging compression volume Spd during less than the pressure of pressing chamber S, open discharge orifice 38, make the refrigeration agent in the pressing chamber S enter discharging compression volume Spd.
But, existing reel-style compressor has following shortcoming: when being in operating condition or improper operating condition, thereby when making pressure difference between pressing chamber S and the discharging compression volume Spd excessive, the valve plates 41 of check vavle device 40 will with the fixedly strong collision of top generation of spool 33, and produce impact noise.That is, existing reel-style compressor has following shortcoming; When the pressure because of reason pressing chamber S such as shutting down sharply increased compared with the pressure that discharges compression volume Spd, the valve plates 41 and the fixedly strong collision of top generation of spool 33 of the pressure official post check vavle device 40 of generation produced vibrations and noise simultaneously; And this vibrations and noise will be difficult to embody the quiet environment of operation of compressor.
This shows that the check vavle device of above-mentioned existing compressor obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.
Summary of the invention
Main purpose of the present invention is, overcome the defective of the check vavle device existence of existing compressor, and provide a kind of check vavle device of reel-style compressor of new structure, technical problem to be solved is to make it can significantly reduce the impact noise that produces when starting check vavle device, make the environment of operation of compressor quiet more, thereby be suitable for practicality more.
The object of the invention to solve the technical problems realizes by the following technical solutions.The check vavle device of a kind of reel-style compressor that proposes according to the present invention, it comprises: corresponding two pressing chambers that can move continuously with the spiral spool; Fixing spool; Slide valve; And valve stops instrument; Wherein, the discharge passage that fixedly is provided with refrigeration agent that discharging compressed through above-mentioned pressing chamber and the discharge orifice that is connected with above-mentioned pressing chamber above the spool and is connected with above-mentioned discharge orifice; Slide valve and can be located at and arrange the be connected inside of above-mentioned discharge orifice of passage, slide up and down open position and cut off the position that above-mentioned discharge orifice is connected with discharge passage; Be used to prevent and above-mentionedly slide valve that valve moves within the specific limits and stop instrument and be mounted on above-mentioned fixedly spool.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
The check vavle device of aforesaid reel-style compressor, wherein said valve stop instrument and are made of top break and bottom break; Wherein, restriction above-mentioned slide top break that valve moves up within the specific limits be mounted on the said fixing spool above; Limit and above-mentionedly slide bottom break that valve moves down within the specific limits and protrude and be mounted on the internal face of above-mentioned discharge orifice.
The check vavle device of aforesaid reel-style compressor, wherein said bottom break are formed with a plurality of along the circumferencial direction of above-mentioned discharge orifice with the certain spacing dislocation.
The check vavle device of aforesaid reel-style compressor, wherein said bottom break is formed at its whole along the circumferencial direction of above-mentioned discharge orifice.
The check vavle device of aforesaid reel-style compressor, wherein said discharge orifice breaks away from by discharge passage for preventing the coasting valve door, the A/F between discharge orifice and the discharge passage is less than the diameter that slides valve ".
The check vavle device of aforesaid reel-style compressor, wherein said discharge passage are the groove of drum shape, and form be located at the said fixing spool above, it is connected with above-mentioned discharge orifice.
Via as can be known above-mentioned, the invention relates to a kind of check vavle device of reel-style compressor, it comprises: corresponding two pressing chambers that can move continuously with the spiral spool; Fixing spool; Slide valve; And valve stops instrument.Wherein, fixedly spool above be provided with refrigeration agent that discharging compressed through above-mentioned pressing chamber and the discharge orifice that is connected with above-mentioned pressing chamber, and the discharge passage that is connected with above-mentioned discharge orifice; Slide valve and can be located at the inside above-mentioned and discharge orifice that is connected of row's passage, slide up and down the position that open position and the above-mentioned discharge orifice of cut-out are connected with discharge passage; Valve stops instrument and is mounted on the said fixing spool, its role is to prevent the above-mentioned above motion of certain limit of sliding valve.The present invention relates to a kind of check vavle device of reel-style compressor, this kind device can significantly reduce the impact noise that produces when starting check vavle device, makes the environment of operation of compressor quieter.
In sum, the check vavle device of the reel-style compressor of special construction of the present invention, its coasting valve slides by the pressure difference of pressing chamber and discharging compression volume, and the discharge passage that is communicated with discharge orifice thereupon can carry out switch selectively, and makes it can regulate the running environment of refrigeration agent.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the sectional drawing that reel-style compressor in the past constitutes.
Fig. 2 is the sectional drawing of Fig. 1 major component.
Fig. 3 is the formation sectional drawing with compressor of check vavle device of the present invention.
Fig. 4 is the sectional drawing of Fig. 3 major component.
Fig. 5 is the formation and the distortion planimetric map afterwards of the bottom break of check vavle device of the present invention.
Fig. 6 to 7 is sectional drawings of the startup structure of check vavle device of the present invention.
111: cabinet 121: genemotor portion
131: press part 133: fixing spool
135: spiral spool 138: discharge orifice
140: check vavle device 141: discharge passage
142: slide valve 143: the top break
144: the bottom break
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, its embodiment of check vavle device, structure, feature and the effect thereof of the reel-style compressor that foundation the present invention is proposed, describe in detail as after.
See also shown in Figure 3ly, it is the formation sectional drawing with compressor of check vavle device of the present invention; See also shown in Figure 4ly, it is the sectional drawing of Fig. 3 major component; See also shown in Figure 5, its be check vavle device of the present invention the bottom break formation and the distortion after planimetric map; See also shown in Fig. 6 to 7, it is the sectional drawing of the startup structure of check vavle device of the present invention.
For emphasis aim of the present invention is described more than you knowly, will omit for known function among the present invention or formation.
As shown in Figure 3, Figure 4, reel-style compressor with check valve comprises: form cabinet 111 and the press part 131 and the genemotor portion 121 of containing space of closing in inside, wherein, press part is mounted on the inside of above-mentioned cabinet 111, its role is to compressed refrigerant; Genemotor portion 121 effect is to provide above-mentioned press part 131 required driving force.
One side of above-mentioned cabinet 111 has the suction pipe 113 and the discharge pipe 115 of suction and refrigerant emission, have upper frame 117 and the lower frame 119 that supports press part 131 and genemotor portion 121 in inside, and the two is respectively in the upper and lower mutual dislocation.
Above-mentioned press part 131, it comprises: fixedly spool 133 and spiral spool 135, wherein, fixedly spool 133 is fixedly installed on the upper frame 117, and has the scrollwork 134 of involute shape (Involute); Spiral spool 135 has the scrollwork 136 of involute shape, and matches with fixing spool 133, two pressing chamber S that make its formation continue to move, thus make it carry out when fixedly spool 133 carries out relative movement compressed refrigerant.
In addition, be combined with high low pressure separating plate 139 on the said fixing spool 133, its role is to the separation zone, inner space of cabinet 111 is divided into discharging compression volume Spd and sucks compression volume Sps.
Above-mentioned genemotor 121, it comprises: stator 123 and rotor 125, wherein stator 123 is fixedly set in cabinet 111 inside, and rotor 125 is mounted on the inside of stator 123, and it can be rotated with the running shaft 127 that a side has centrifugal 128.
In addition, has check valve device 140 above the said fixing spool 133, its role is to make and compressed refrigeration agent at pressing chamber S through above-mentioned compressor and be discharged into discharging compression volume Spd, prevent that simultaneously the adverse current phenomenon from appearring in the refrigeration agent that is discharged into discharging compression volume Spd.This is carried out following explanation.
The upper central of said fixing spool 133 is provided with discharge orifice 138, its role is to above-mentioned pressing chamber S of vertical connection and discharging compression volume Spd, one side of closing on this discharge orifice 138 has the discharge passage 141 that is communicated with above-mentioned discharge orifice, the inside of above-mentioned discharge orifice 138 has the valve of sliding 142, and the above-mentioned valve 142 that slides can be connected with row's passage 141 at the above-mentioned discharge orifice 138 of the inside of above-mentioned discharge orifice 138, slide up and down open position and cut-out above-mentioned discharge orifice 138 and the position that discharge passage 141 is connected; Valve stops instrument and is mounted on the said fixing spool 133, its role is to prevent the above-mentioned above motion of certain limit of sliding valve.
Promptly, above-mentioned discharge passage 141 is the drum flute profile of certain depth, be included in fixing spool 133 above, and be communicated with discharge orifice 138, and the above-mentioned valve 142 of sliding is for having the drum shape with the corresponding diameter of diameter of above-mentioned discharge orifice 138, and can slide up and down in the inside of discharge orifice 138, be communicated with discharge orifice 138 and discharge passage 141 selectively.
Simultaneously, above-mentioned discharge orifice 138 is for preventing that sliding valve 142 breaks away from by discharge passage 141, and therefore, the A/F between discharge orifice and the discharge passage is less than the diameter that slides valve ".
As mentioned above, the above-mentioned valve 142 that slides can slide up and down in the inside of discharge orifice 138, and can move up and down according to the pressure difference of pressing chamber S and discharging compression volume Spd, and be communicated with discharge orifice 138 and discharge passage 141 selectively, when the pressure of discharging compression volume Spd during greater than the pressure of pressing chamber S, cut off discharge orifice 138 and discharge passage 141, thereby prevent to be discharged into the refrigeration agent adverse current of discharging compression volume Spd to pressing chamber S, otherwise, when the pressure of discharging compression volume Spd during less than the pressure of pressing chamber S, be communicated with discharge passage 141 and discharge orifice 138, make the refrigeration agent in the pressing chamber S enter discharging compression volume Spd.
In addition, said fixing spool 133 has constraint and slides the valve that valve 142 moves within the specific limits and stop instrument, and above-mentioned valve stops instrument and is made of top break 143 and bottom break 144.Wherein, top break 143 be mounted on said fixing spool 133 above, its role is to limit the above-mentioned valve 142 that slides and move up within the specific limits; Bottom break 144 protrudes and is mounted on the internal face of above-mentioned discharge orifice 138, its role is to limit the above-mentioned valve 142 that slides and moves down within the specific limits.
Promptly, above-mentioned top break 143 is by spool B, the one end is fixedly installed on a fixedly top side of spool 133, constraint is along with the pressure of pressing chamber S surpasses certain limit greater than the moving range of pressure to the top of sliding valve 142 of compression volume Spd, simultaneously its material is an elastic material, and its purpose is to absorb the vibrations and the impact of generation when sliding valve 142 and contact.
Operational structures below in conjunction with the following explanation of Fig. 6 to 7 check vavle device of the present invention.
As shown in Figure 6, the pressure that causes pressing chamber S when compressor operation is during greater than the pressure of discharging compression volume Spd, sliding valve 142 slides along discharge orifice 138 upward according to this pressure difference, and being communicated with discharge orifice 138 and discharge passage 141, the refrigeration agent that compressed chamber S was compressed by discharge orifice 138 and discharge passage 141 is discharged among the discharging compression volume Spd.
Simultaneously, the motion that surpasses certain limit to the top of above-mentioned coasting valve 142 will obtain certain restriction by top break 143.
In addition; as shown in Figure 7; undesired or do not meet normal operating condition and the pressure that causes discharging compression volume Spd during when compressor operation greater than the pressure of pressing chamber S; sliding valve 142 slides downwards along discharge orifice 138 according to this pressure difference; and cut off being connected of discharge orifice 138 and discharge passage 141, prevent to be discharged into the refrigeration agent adverse current of discharging compression volume Spd in pressing chamber S.
Simultaneously, the motion that surpasses certain limit to the below of above-mentioned coasting valve (142) will obtain certain restriction by bottom break (144).
As mentioned above, check vavle device 140 of the present invention is when cutting off discharge orifice 138 and discharge passage 141, when promptly sliding valve 142 and being subjected to the restriction of bottom valve, slide valve 142 and will reduce area of contact with bottom break 144, and make the above-mentioned internal face that slides valve 142 contact discharge orifices 138, thereby reduce its movement velocity.When the pressure because of reason pressing chamber S such as shutting down sharply increases compared with the pressure that discharges compression volume Spd, can start check vavle device by this pressure difference, thereby significantly lower impact noise.
More than be the embodiment that certain value is arranged of the present invention, but the feature embodiment that scope of the present invention is not restricted to as above illustrate, scope of the present invention can be carried out suitable change in the category that the claim scope of application is put down in writing.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (6)
1, a kind of check vavle device of reel-style compressor is characterized in that it comprises:
Corresponding two pressing chambers that can move continuously with the spiral spool;
Fixing spool;
Slide valve; And
Valve stops instrument;
Wherein, the discharge passage that fixedly is provided with refrigeration agent that discharging compressed through above-mentioned pressing chamber and the discharge orifice that is connected with above-mentioned pressing chamber above the spool and is connected with above-mentioned discharge orifice; Slide valve and can be located at and arrange the be connected inside of above-mentioned discharge orifice of passage, slide up and down open position and cut off the position that above-mentioned discharge orifice is connected with discharge passage; Be used to prevent and above-mentionedly slide valve that valve moves within the specific limits and stop instrument and be mounted on above-mentioned fixedly spool.
2, the check vavle device of reel-style compressor according to claim 1 is characterized in that wherein said valve stops instrument and is made of top break and bottom break; Wherein, restriction above-mentioned slide top break that valve moves up within the specific limits be mounted on the said fixing spool above; Limit and above-mentionedly slide bottom break that valve moves down within the specific limits and protrude and be mounted on the internal face of above-mentioned discharge orifice.
3, the check vavle device of reel-style compressor according to claim 1 is characterized in that the circumferencial direction of wherein said bottom break along above-mentioned discharge orifice, is formed with a plurality of with the certain spacing dislocation.
4, the check vavle device of reel-style compressor according to claim 2 is characterized in that wherein said bottom break is formed at its whole along the circumferencial direction of above-mentioned discharge orifice.
5, the check vavle device of reel-style compressor according to claim 1 is characterized in that wherein said discharge orifice breaks away from by discharge passage for preventing the coasting valve door, and the A/F between discharge orifice and the discharge passage is less than the diameter that slides valve ".
6, the check vavle device of reel-style compressor according to claim 1 is characterized in that wherein said discharge passage is the groove of drum shape, and form be located at the said fixing spool above, it is connected with above-mentioned discharge orifice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100916349A CN100494691C (en) | 2004-11-24 | 2004-11-24 | Check valve device of reel-style compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100916349A CN100494691C (en) | 2004-11-24 | 2004-11-24 | Check valve device of reel-style compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1779268A CN1779268A (en) | 2006-05-31 |
| CN100494691C true CN100494691C (en) | 2009-06-03 |
Family
ID=36769702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100916349A Expired - Fee Related CN100494691C (en) | 2004-11-24 | 2004-11-24 | Check valve device of reel-style compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100494691C (en) |
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2004
- 2004-11-24 CN CNB2004100916349A patent/CN100494691C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1779268A (en) | 2006-05-31 |
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| C06 | Publication | ||
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Granted publication date: 20090603 Termination date: 20111124 |