CN205370998U - Compressor breathe in structure and compressor - Google Patents
Compressor breathe in structure and compressor Download PDFInfo
- Publication number
- CN205370998U CN205370998U CN201620123172.2U CN201620123172U CN205370998U CN 205370998 U CN205370998 U CN 205370998U CN 201620123172 U CN201620123172 U CN 201620123172U CN 205370998 U CN205370998 U CN 205370998U
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- compressor
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- inner circle
- refrigerant inlet
- follower lever
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Abstract
The utility model relates to a compressor breathe in structure and compressor, wherein, the compressor structure of breathing in, it includes the on -off mechanism, and in the circulation cycle of the compression of breathing in, the compressor gleitbretter was kept away from to the contact point of circle from the cylinder exhaust hole of distal edge reason to the compressor that the compressor gleitbretter was kept away from to the cylinder suction hole of compressor in the cylinder of the roller of compressor and compressor distal edge is when moving, and refrigerant entry and the interior round route of the cylinder of compressor can be put through to the on -off mechanism, in the cylinder of roller and compressor the circle the contact point from the distal edge of distal edge reason to the cylinder suction hole in cylinder exhaust hole when removing, the on -off mechanism can break off the route of circle in refrigerant entry and the cylinder. The utility model discloses the structure of breathing in the compressor can reduce compression consumption and volumetric loss, improves cylinder volume efficiency.
Description
Technical field
This utility model relates to air-conditioning technical field, particularly relates to a kind of compressor air suction structure and compressor.
Background technology
Compressor is a kind of driven fluid machinery that low-pressure gas is promoted to gases at high pressure, it it is the heart of refrigeration system, the structure of existing rotary compressor is as shown in Figure 1, it includes main balance weight a1, upper flange a2, cylinder a3, lower flange a4, bent axle a5, roller a6, deafener a7, rotor a8, the secondary structure such as balance weight a9 and leakproof oil cap a10, and coolant enters refrigerant passage along direction A and enters suction hole a32.
The roller of existing compressor rotates schematic diagram such as Fig. 2 (a), shown in Fig. 2 (b) and Fig. 2 (c), roller a6 and bent axle a5 turns clockwise, cylinder a3 two ends are sealed by upper flange a2 and lower flange a4, the cylinder inner circle a31 of cylinder a3 and roller a6 cylindrical form a crescent working chamber, coolant A enters crescent working chamber by the suction hole a32 of cylinder a3, slide plate a12 is divided into two parts crescent working chamber, it is called suction muffler a11 in the side of suction hole a32, suction muffler a11 intracavity is low pressure refrigerant, it is called discharge chamber a15 in the side of steam vent a13, discharge chamber a15 intracavity is high pressure coolant, suction hole a32 place does not have inlet valve, steam vent a13 place is provided with air bleeding valve.
When roller a6 forwards bottom to, as shown in Fig. 2 (a), whole crescent working chamber is all suction muffler a11, and suction muffler a11 reaches maximum；Along with roller rotates, suction muffler a13 diminishes；When roller a6 forwards the back edge a33 of suction hole a32 to, as shown in Fig. 2 (b), crescent working chamber and suction hole a32 separate, discharge chamber a15 reaches maximum, compression process starts, the maximum of the discharge chamber a15 now maximum than suction muffler a11 is little, has part coolant A to be not engaged in compression, causes volumetric loss；Along with roller a6 is rotated further, the coolant in discharge chamber a constantly compresses, and when roller a6 turns to certain angle, the pressure of the coolant A in discharge chamber a15 reaches marginal value, and air bleeding valve is opened, and the coolant A of high pressure is discharged by steam vent a13；When roller a6 forwards steam vent a13 back edge to, as shown in Fig. 2 (c), suction muffler a11 and discharge chamber a15 communicates, aerofluxus terminates, now discharge chamber a15 also has a fraction of volume, high pressure coolant therein flows to the low pressure refrigerant of suction muffler a11, has part coolant will flow back to suction hole a32, causes volumetric loss.
Utility model content
For overcoming above technological deficiency, this utility model solves the technical problem that and is to provide a kind of compressor air suction structure and compressor, it is possible to increase cylinder volumetric efficiency.
For solving above-mentioned technical problem, this utility model provides a kind of compressor air suction structure, it includes on off mechanism, in the cycle period of an air-breathing compression, when the contact point of the cylinder inner circle of roller and the compressor of compressor moves to the cylinder vent of compressor away from the distal edge of compressor sliding blade from the cylinder suction hole of compressor away from the distal edge of compressor sliding blade, on off mechanism can connect the path of refrigerant inlet and the cylinder inner circle of compressor；When the contact point of roller Yu the cylinder inner circle of compressor moves from the distal edge of cylinder vent to the distal edge of cylinder suction hole, on off mechanism can disconnect the path of refrigerant inlet and cylinder inner circle.
Further, also including drive mechanism, the rotation of the bent axle of compressor can be passed on off mechanism to realize the on-off action of on off mechanism by drive mechanism.
Further, drive mechanism includes cam and follower lever, and follower lever is servo-actuated with on off mechanism, and cam moves to drive on off mechanism by driving follower lever.
Further, on off mechanism includes the piston being arranged in cylinder suction hole, and refrigerant inlet communicates with cylinder suction hole, and follower lever is connected with piston, the outer peripheral face of cam contacts with follower lever, and piston can move in cylinder suction hole so that break-make between refrigerant inlet and cylinder suction hole.
Further, on off mechanism also includes being arranged on the elastomeric pad on the blocking end of piston.
Further, also including the pressure exerting arrangement acting on on off mechanism, follower lever acts against on the outer peripheral face of cam under the effect of pressure exerting arrangement.
Further, it is provided with flange in the end of the cylinder of compressor, in flange, is provided with the refrigerant passage communicated with refrigerant inlet.
Further, cam includes cylindrical portion, big footpath and path cylindrical portion, cylindrical portion, big footpath contacts, with in path cylindrical portion, the path controlling the cylinder inner circle that on off mechanism connects refrigerant inlet and compressor with follower lever, and another contacts the path controlling the cylinder inner circle that on off mechanism disconnects refrigerant inlet and compressor with follower lever.
This utility model additionally provides a kind of compressor, and it includes above-mentioned compressor air suction structure.
Further, compressor is rotary compressor.
Thus, based on technique scheme, this utility model compressor air suction structure carrys out the path of break-make refrigerant inlet and the cylinder inner circle of compressor by arranging on off mechanism, the contact point making roller and cylinder inner circle turns to refrigerant inlet the process of the distal edge of cylinder vent and connects with cylinder inner circle from the distal edge of cylinder suction hole, and coolant enters the suction muffler of cylinder inner circle by refrigerant inlet；The contact point of roller and cylinder inner circle turns to refrigerant inlet the process of the distal edge of cylinder suction hole and disconnects with cylinder inner circle from the distal edge of cylinder vent, discharge chamber inner high voltage coolant flows to the suction muffler of cylinder inner circle rather than flows back to suction hole, it is to be compressed that this high pressure coolant goes successively to suction muffler etc., thus reducing compression power consumption and volumetric loss, improve cylinder volumetric efficiency.The compressor that this utility model provides also has above-mentioned useful technique effect.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by of the present utility model, constitutes the part of the application, and schematic description and description of the present utility model is only used for explaining this utility model, is not intended that improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of existing compressor air suction structure；
Fig. 2 is the schematic diagram that existing compressor roller rotates in cylinder inner circle；
Fig. 3 is structural representation when this utility model structure compresses machine air suction structure refrigerant inlet and the connection of cylinder inner circle；
Fig. 4 is the structural representation of this utility model compressor air suction structure cam；
Fig. 5 is structural representation when this utility model structure compresses machine air suction structure refrigerant inlet and the disconnection of cylinder inner circle.
Detailed description of the invention
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Detailed description of the invention of the present utility model is for the ease of design of the present utility model, the technical characteristic being solved the technical problem that, constituting technical scheme and the technique effect brought are had further description.It should be noted that the explanation for these embodiments is not intended that restriction of the present utility model.As long as just can be mutually combined additionally, the technical characteristic related in embodiment of the present utility model described below does not constitute conflict each other.
It is found by the applicant that existing compressor has partial high pressure refrigerant return to cylinder suction hole in coolant compression process, cause volumetric loss, cylinder volumetric efficiency is relatively low, based on this technological deficiency, applicant devises a kind of compressor air suction structure, this compressor air suction structure carrys out the path of break-make refrigerant inlet and the cylinder inner circle of compressor by arranging on off mechanism, the contact point making roller and cylinder inner circle turns to refrigerant inlet the process of the distal edge of cylinder vent and connects with cylinder inner circle from the distal edge of cylinder suction hole, coolant enters the suction muffler of cylinder inner circle by refrigerant inlet；The contact point of roller and cylinder inner circle turns to refrigerant inlet the process of the distal edge of cylinder suction hole and disconnects with cylinder inner circle from the distal edge of cylinder vent, discharge chamber inner high voltage coolant flows to the suction muffler of cylinder inner circle rather than flows back to suction hole, it is to be compressed that this high pressure coolant goes successively to suction muffler etc., thus reducing compression power consumption and volumetric loss, improve cylinder volumetric efficiency.
In one schematic embodiment of this utility model compressor air suction structure, as seen in figures 3-5, compressor air suction structure includes on off mechanism, in the cycle period of an air-breathing compression, when the roller 13 of compressor and the contact point of the cylinder inner circle 11 of compressor move to the cylinder vent of compressor away from the distal edge of compressor sliding blade from the cylinder suction hole 4 of compressor away from the distal edge of compressor sliding blade, on off mechanism can connect the path of refrigerant inlet 8 and the cylinder inner circle 11 of compressor；When the contact point of roller 13 with the cylinder inner circle 11 of compressor moves from the distal edge of cylinder vent to the distal edge of cylinder suction hole 4, on off mechanism can disconnect the path of refrigerant inlet 8 and cylinder inner circle 11.
In this schematic embodiment, the path of break-make refrigerant inlet 8 and the cylinder inner circle 11 of compressor is carried out by arranging on off mechanism, as shown in Figure 3, the contact point making roller 13 and cylinder inner circle 11 turns to refrigerant inlet 8 process of the distal edge of cylinder vent (not shown) and connects with cylinder inner circle 11 from the distal edge of cylinder suction hole 4, and coolant B enters the suction muffler of cylinder inner circle 11 by refrigerant inlet 8；As shown in Figure 5, the contact point of roller 13 and cylinder inner circle 11 turns to refrigerant inlet 8 process of the distal edge of cylinder suction hole 4 and disconnects with cylinder inner circle 11 from the distal edge of cylinder vent, discharge chamber inner high voltage coolant flows to the suction muffler of cylinder inner circle 11 rather than flows back to cylinder suction hole 4, it is to be compressed that this high pressure coolant goes successively to suction muffler etc., thus reducing compression power consumption and volumetric loss, improve cylinder volumetric efficiency.
Wherein, on off mechanism can be electromagnetic valve structure or ball-valve structure, it is also possible to is block the passage between refrigerant inlet 8 and cylinder inner circle 11 by arranging piston, numerous to list herein.
As the improvement to above-mentioned illustrative examples, as shown in Figure 3 and Figure 5, compressor air suction structure also includes drive mechanism, and the rotation of the bent axle 12 of compressor can be passed on off mechanism to realize the on-off action of on off mechanism by drive mechanism.By arranging drive mechanism, owing to the cycle frequency of the rotation of bent axle 13 is consistent in the rotational frequency of cylinder inner circle 11 with roller 13, the rotation of the bent axle 12 of compressor is passed on off mechanism by drive mechanism, then the on-off action of on off mechanism is realized, because of without arranging external power source to control on off mechanism, compact conformation, exploitativeness is higher.
As a kind of preferred implementation of driving mechanism, as shown in Figure 3 and Figure 5, drive mechanism includes cam 2 and follower lever 18, and follower lever 18 is servo-actuated with on off mechanism, and cam 2 moves to drive on off mechanism by driving follower lever 18.Cam 2 can be arranged on the main balance weight 1 of compressor by screw, rotates with main balance weight 1 and rotates, and the cam 2 of rotation contacts with follower lever 18 and drives on off mechanism to realize above-mentioned on-off action thus driving follower lever 18 to move.Wherein, as shown in Figure 4, in a preferred embodiment, cam 2 includes cylindrical portion, big footpath 21 and path cylindrical portion 22, in rotation process, as shown in Figure 3, cylindrical portion, big footpath 21 contacts the path controlling the cylinder inner circle 11 that on off mechanism connects refrigerant inlet 8 and compressor with follower lever 18, as shown in Figure 5, path cylindrical portion 22 another contact with follower lever 18 and control on off mechanism and disconnect the path of refrigerant inlet 8 and the cylinder inner circle 11 of compressor, be so easily achieved and there is higher stability.Certainly big cylindrical portion, footpath 21 and path cylindrical 21 exchange and realize above-mentioned break-make and control, and what this depended on off mechanism arranges form.
Certainly, driving mechanism can also be realized by other structures, for instance crank block structure etc., also will not enumerate at this.
A kind of preferred implementation as on off mechanism, as shown in Figure 3 and Figure 5, on off mechanism includes the piston 5 being arranged in cylinder suction hole 4, refrigerant inlet 8 communicates with cylinder suction hole 4, follower lever 18 is connected with piston 5, the outer peripheral face of cam 2 contacts with follower lever 18, and piston 5 can move in cylinder suction hole 4 so that break-make between refrigerant inlet 8 and cylinder suction hole 4.By arranging piston 5 and being connected with follower lever 18, piston is the mobile on-off action that just can realize on off mechanism in cylinder suction hole 4, it is easy to implement, easy to control.Wherein, piston 5 is vertically arranged as shown in Figure 3 and Figure 5, it is also possible to be horizontally disposed with, as long as the connection between refrigerant inlet 8 and cylinder suction hole 4 can be closed and connect.Preferably, on off mechanism also includes being arranged on the elastomeric pad 10 on the blocking end of piston 5, and elastomeric pad 10 can shock absorbing and improve sealing property, it is ensured that the break-make reliability between refrigerant inlet 8 and cylinder suction hole 4, elastomeric pad is preferably rubber sheet gasket, it is easy to obtain.
In order to ensure the reliable contacts of follower lever 18 and cam 2, compressor air suction structure also includes the pressure exerting arrangement acting on on off mechanism, and follower lever 18 acts against on the outer peripheral face of cam 2 under the effect of pressure exerting arrangement.As shown in Figure 3 and Figure 5, pressure exerting arrangement can advantageously be spring 6, naturally it is also possible to is that other have the structure of elastic restoring force.It is of course also possible to by arranging rail plate or sliding guide groove on the outer peripheral face of cam 2, follower lever 18 is slidably installed on the outer peripheral face of cam 2 by rail plate or sliding guide groove.
As the further improvement to above-described embodiment, as shown in Figure 3 and Figure 5, it is provided with flange in the end of the cylinder 7 of compressor, flange includes upper flange 3 and lower flange 9, the refrigerant passage 19 communicated with refrigerant inlet 8 it is provided with in flange, so can so that process refrigerant inlet 8 in the side of cylinder suction hole 4 so that topology layout is more reasonable.
This utility model additionally provides a kind of compressor, and it includes above-mentioned compressor air suction structure.Owing to this utility model compressor air suction structure can improve volumetric efficiency, correspondingly, this utility model compressor also has above-mentioned Advantageous Effects, does not repeat them here.In particular, this utility model compressor air suction structure is preferably adapted for rotary compressor.
In one specific embodiment of this utility model compressor, as shown in Figure 3 and Figure 5, compressor includes main balance weight 1, cam 2, upper flange 3, cylinder 7, lower flange 9, bent axle 12, roller 13, deafener 14, rotor 12, secondary balance weight 16 and leakproof oil cap 17.
Above in association with embodiment embodiment of the present utility model is described in detail, but this utility model is not limited to described embodiment.For a person skilled in the art, these embodiments carry out multiple change, amendment when without departing from principle of the present utility model and connotation, equivalence is replaced and modification still falls within protection domain of the present utility model.
Claims (10)
1. a compressor air suction structure, it is characterized in that, including on off mechanism, in the cycle period of an air-breathing compression, when the contact point of the cylinder inner circle (11) of roller (13) and the described compressor of compressor moves to the cylinder vent of described compressor away from the distal edge of described compressor sliding blade from the cylinder suction hole (4) of compressor away from the distal edge of compressor sliding blade, described on off mechanism can connect the path of refrigerant inlet (8) and the cylinder inner circle (11) of described compressor；When the contact point of described roller (13) Yu the cylinder inner circle (11) of described compressor moves from the distal edge of described cylinder vent to the distal edge of described cylinder suction hole (4), described on off mechanism can disconnect the path of described refrigerant inlet (8) and described cylinder inner circle (11).
2. compressor air suction structure according to claim 1, it is characterized in that, also including drive mechanism, the rotation of the bent axle (12) of described compressor can be passed to described on off mechanism to realize the on-off action of described on off mechanism by described drive mechanism.
3. compressor air suction structure according to claim 2, it is characterized in that, described drive mechanism includes cam (2) and follower lever (18), described follower lever (18) is servo-actuated with described on off mechanism, and described cam (2) is by driving described follower lever (18) mobile to drive described on off mechanism.
4. compressor air suction structure according to claim 3, it is characterized in that, described on off mechanism includes the piston (5) being arranged in described cylinder suction hole (4), described refrigerant inlet (8) communicates with described cylinder suction hole (4), described follower lever (18) is connected with described piston (5), the outer peripheral face of described cam (2) contacts with described follower lever (18), described piston (5) can move in described cylinder suction hole (4) so that break-make between described refrigerant inlet (8) and described cylinder suction hole (4).
5. compressor air suction structure according to claim 4, it is characterised in that described on off mechanism also includes the elastomeric pad (10) being arranged on the blocking end of described piston (5).
6. compressor air suction structure according to claim 3, it is characterized in that, also including acting on the pressure exerting arrangement on described on off mechanism, described follower lever (18) acts against on the outer peripheral face of described cam (2) under the effect of described pressure exerting arrangement.
7. compressor air suction structure according to claim 4, it is characterised in that be provided with flange in the end of the cylinder (7) of described compressor, is provided with the refrigerant passage (19) communicated with described refrigerant inlet (8) in described flange.
8. compressor air suction structure according to claim 3, it is characterized in that, described cam (2) includes cylindrical portion, big footpath (21) and path cylindrical portion (22), described cylindrical portion, big footpath (21) contacts, with in described path cylindrical portion (22), the path controlling the cylinder inner circle (11) that described on off mechanism connects refrigerant inlet (8) and described compressor with described follower lever (18), another contacts the path controlling the cylinder inner circle (11) that described on off mechanism disconnects refrigerant inlet (8) and described compressor with described follower lever (18).
9. a compressor, it is characterised in that include the compressor air suction structure described in any one of claim 1～8.
10. compressor according to claim 9, it is characterised in that described compressor is rotary compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620123172.2U CN205370998U (en) | 2016-02-16 | 2016-02-16 | Compressor breathe in structure and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620123172.2U CN205370998U (en) | 2016-02-16 | 2016-02-16 | Compressor breathe in structure and compressor |
Publications (1)
| Publication Number | Publication Date |
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| CN205370998U true CN205370998U (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620123172.2U Withdrawn - After Issue CN205370998U (en) | 2016-02-16 | 2016-02-16 | Compressor breathe in structure and compressor |
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| CN (1) | CN205370998U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570139A (en) * | 2016-02-16 | 2016-05-11 | 珠海凌达压缩机有限公司 | Compressor intake structure and compressor |
-
2016
- 2016-02-16 CN CN201620123172.2U patent/CN205370998U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570139A (en) * | 2016-02-16 | 2016-05-11 | 珠海凌达压缩机有限公司 | Compressor intake structure and compressor |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160706 Effective date of abandoning: 20171121 |