CN205207185U - Compressor pump body subassembly and compressor - Google Patents
Compressor pump body subassembly and compressor Download PDFInfo
- Publication number
- CN205207185U CN205207185U CN201520922369.8U CN201520922369U CN205207185U CN 205207185 U CN205207185 U CN 205207185U CN 201520922369 U CN201520922369 U CN 201520922369U CN 205207185 U CN205207185 U CN 205207185U
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- buffer structure
- face
- flange
- bearing portion
- shaft bearing
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Abstract
The utility model discloses a compressor pump body subassembly and compressor, wherein compressor pump body subassembly includes bent axle, lower flange, flange apron and a buffer structure, lower flange and flange apron all cover are established on the bent axle, and adjacent setting, the lower flange has intermediate shaft bearing portion and peripheral sealing, intermediate shaft bearing portion encloses the outer wall of establishing at the bent axle, peripheral sealing is located the outside of intermediate shaft bearing portion to form the cavity of lower flange with intermediate shaft bearing portion, a buffer structure lies in between the terminal surface of terminal surface and the flange apron of intermediate shaft bearing portion. It sets up a buffer structure between through lower flange intermediate shaft bearing portion's terminal surface in compressor pump body subassembly and flange apron terminal surface for do all can direct action to the buffer structure with the squeezing action after the extrusion of flange apron atress, from this the deformation of flange apron can only transmit for a buffer structure, can not transmit for the lower flange. The final problem of effectively having solved traditional compressor pump body structure influence compressor stability.
Description
Technical field
The utility model relates to compressor field, particularly relates to a kind of compressor pump assembly and compressor.
Background technique
At present in compressor pump assembly, the cavity of lower flange is sealed by flange plate usually.Being the middle pressure of one-level exhaust in lower flange chamber, is the high back pressure of exhaust outside flange plate.Under differential pressure action thus between exhaust back pressure and middle pressure, flange plate can be subject to severe crush, causes flange plate to be out of shape.Flange plate distortion then can produce squeezing action to lower flange, thus makes lower flange towards the phenomenon of the end face generation bulging deformation of cylinder side.Lower flange then can cause the gap between end face of flange and cylinder end face to reduce towards the head face hump distortion of cylinder side, thus easily occurs the problems such as roller movement is obstructed, crankshaft thrust surface wear, have impact on the reliability of compressor.
Model utility content
Based on this, be necessary, for the problem of traditional compressor pump structure influence compressor stability, a kind of compressor pump assembly that can improve compressor stability to be provided, a kind of compressor using this compressor pump assembly is also provided simultaneously.
For realizing a kind of compressor pump assembly that the utility model object provides, comprise bent axle, lower flange, flange plate and the first buffer structure;
Described lower flange and described flange plate are all set on described bent axle, and are disposed adjacent;
Described lower flange has jack shaft bearing portion and peripheral seal;
Described jack shaft bearing portion is around in the outer wall of described bent axle;
Described peripheral seal is positioned at the outside of described jack shaft bearing portion, and forms the cavity of described lower flange with described jack shaft bearing portion;
Described first buffer structure is between the end face and the end face of described flange plate of described jack shaft bearing portion.
Wherein in an embodiment, the upper-end surface of described first buffer structure and the end face of described jack shaft bearing portion fit;
The lower end surface of described first buffer structure and the end face of described flange plate fit.
Wherein in an embodiment, described jack shaft bearing portion is provided with the first groove towards the end face of described flange plate;
Described first buffer structure is placed in described first groove.
Wherein in an embodiment, the thickness of described first buffer structure is more than or equal to the degree of depth of described first groove.
Wherein in an embodiment, described first buffer structure is elastic packing packing ring.
Wherein in an embodiment, described elastic packing packing ring is rubber washer or metal washer.
Wherein in an embodiment, also comprise the second buffer structure;
Described second buffer structure is between the end face and the end face of described flange plate of described peripheral seal; And
The upper-end surface of described second buffer structure and lower end surface fit with the end face of described peripheral seal and the end face of described flange plate respectively.
Wherein in an embodiment, the end face of described peripheral seal is provided with the second groove;
Described second buffer structure is placed in described second groove.
Wherein in an embodiment, the thickness of described second buffer structure is more than or equal to the degree of depth of described second groove.
Accordingly, the utility model additionally provides a kind of compressor, and it comprises as above arbitrary described compressor pump assembly.
The beneficial effect of above-mentioned compressor pump assembly:
Squeezing action power, by arranging the first buffer structure between the lower flange intermediate bearing end surface in compressor pump assembly and flange plate end face, is applied directly on the first buffer structure after making the stressed extruding of flange plate by it.Avoid flange plate and directly extruding force is applied to phenomenon on lower flange.Thus, the distortion of flange plate can only pass to the first buffer structure, can not pass to lower flange, also would not cause the situation that lower flange head face hump is out of shape.Finally efficiently solve the problem of traditional compressor pump structure influence compressor stability.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of a specific embodiment of compressor pump assembly of the present utility model;
Fig. 2 is the structure enlarged diagram in a specific embodiment of compressor pump assembly of the present utility model between lower flange and flange plate;
Fig. 3 is the stressed schematic diagram of lower flange in a specific embodiment of compressor pump assembly of the present utility model;
Fig. 4 is the cross-sectional view of another specific embodiment of compressor pump assembly of the present utility model.
Embodiment
For making technical solutions of the utility model clearly, below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
See Fig. 1, as compressor pump assembly 100 of the present utility model, it comprises bent axle 110, lower flange 120, flange plate 130 and the first buffer structure 140.Lower flange 120 and flange plate 130 are all set on bent axle 110, and are disposed adjacent.Lower flange 120 has jack shaft bearing portion 121 and peripheral seal 122.Jack shaft bearing portion 121 is relative to the contiguous bent axle 110 of peripheral seal 122.That is, jack shaft bearing portion 121 is around in the outer wall of bent axle 110.Peripheral seal 122 is positioned at the outside of jack shaft bearing portion 121, and forms the cavity of lower flange 120 with jack shaft bearing portion 121.
First buffer structure 140 is between the end face and the end face of flange plate 130 of jack shaft bearing portion 121.
It by arranging the first buffer structure 140 between jack shaft bearing portion 121 end face and flange plate 130 end face of lower flange 120, when the stressed extruding of flange plate 130, directly squeezing action power is applied on the first buffer structure 140, can not be applied directly on upper flange 150.This also just avoids the situation that upper flange 150 is subject to the extruding force of flange plate 130, also just prevents the phenomenon of lower flange 120 bulging deformation.Thus, the gap between lower flange 120 and cylinder can not change, thus also just makes roller can proper motion, and bent axle 110 thrust surface can not be worn, and ensure that the reliability of compressor pump.
It should be noted that the upper-end surface of the first buffer structure 140 and the end face of jack shaft bearing portion 121 fit tightly, and the lower end surface of the first buffer structure 140 and the end face of flange plate 130 fit tightly.Can also ensure the good sealing property between lower flange 120 and flange plate 130 while making the first buffer structure 140 play buffer function between jack shaft bearing portion 121 and flange plate 130, this also just further ensures the reliability of compressor pump.
Wherein, see Fig. 1 and Fig. 2, as a specific embodiment of compressor pump assembly 100 of the present utility model, the mounting type of the first buffer structure 140 between the end face and the end face of flange plate 130 of jack shaft bearing portion 121 can be: by offering the first groove 1210 at the end face of jack shaft bearing portion 121, is directly placed in by the first buffer structure 140 in first groove 1210 and can realizes the installation of the first buffer structure 140 between jack shaft bearing portion 121 end face and flange plate 130 end face.Structure is simple, is easy to realize.And save material consumption, and then decrease cost of production.
Wherein, in order to ensure the sealing between lower flange 120 and flange plate 130, adopt when the mode that jack shaft bearing portion 121 end face offers groove realizes the installation of the first buffer structure 140, the thickness of the first buffer structure 140 should slightly larger than or equal the degree of depth of the first groove 1210.Preferably, the thickness of the first buffer structure 140 is slightly larger than the degree of depth of the first groove 1210.This just makes to have certain gap between the edge end face of the first groove 1210 and the end face of flange plate 130.Thus when flange plate 130 is extruded distortion, flange plate 130 can not contact completely with lower flange 120, further avoid the situation of lower flange 120 bulging deformation, thus also just further increase the reliability of compressor pump assembly.Also can realize flange plate 130 first buffer structure 140 to be expressed in the first groove 1210 that jack shaft bearing portion 121 end face offers simultaneously, make to present good sealing between the first buffer structure 140 and lower flange 120 and between the first buffer structure 140 and flange plate 130.
Further, as the another specific embodiment of compressor pump assembly 100 of the present utility model, the first buffer structure 140 can directly adopt elastic packing packing ring to realize.By elastic packing packing ring is directly placed between the end face of jack shaft bearing portion 121 and the end face of flange plate 130, or be placed in that jack shaft bearing portion 121 end face offers between the first groove 1210 and the end face of flange plate 130, do not need other production technology to realize.Structure and preparation process are all very simple, and with low cost.
Preferably, elastic packing packing ring can be rubber washer or metal washer.Adopt rubber washer, the first buffer structure 140 is made to have good cushioning effect, adopt metal washer then to make the first buffer structure 140 have good resistance to pressure and wear resistance, extend the working life of the first buffer structure 140, decrease the replacing number of times of the first buffer structure 140.
Meanwhile, it should be pointed out that the structure of the first buffer structure 140 and the first groove 1210 matches, to ensure further and to improve the sealing between lower flange 120 and flange plate 130.
In order to clearer explanation compressor pump assembly 100 of the present utility model has good reliability, below the flow direction of the pressurized gas in compressor pump and the stress deformation of flange plate 130 are described further.
See Fig. 1, it is the cross-sectional view of a specific embodiment of compressor pump assembly 100 of the present utility model.It should be noted that, as compressor pump assembly 100 of the present utility model, it can be three cylinders or multi-cylinder compound compressor pump assembly 100.Compressor pump assembly in the present embodiment 100 is twin-tub compound compressor pump assembly 100.
Wherein, compressor pump assembly 100 comprises bent axle 110, upper flange 150, two-stage compression cylinder 160, two-stage compression roller 170, dividing plate 180, one stage of compression cylinder 190, one stage of compression roller 200, lower flange 120, flange plate 130 and the first buffer structure 140 etc.Wherein, in the present embodiment, the first buffer structure 140 adopts elastic packing packing ring to realize.Because lower flange 120 and flange plate 130 are all set on bent axle 110, the elastic packing packing ring be therefore arranged between the end face of lower flange 120 and the end face of flange plate 130 is preferably annular.Further, the height of the jack shaft bearing portion 121 of lower flange 120 is less than the height of peripheral seal 122, namely has gap between the jack shaft bearing portion 121 of lower flange 120 and flange plate 130.And the end face of the peripheral seal 122 of lower flange 120 and the end face of flange plate 130 fit tightly.The jack shaft bearing portion 121 of lower flange 120 is provided with the first groove 1210 towards the end face of flange plate 130, and this first groove 1210 is preferably annular.Elastic packing packing ring is positioned in this first groove 1210, and compresses distortion by flange plate 130, serves the effect of the gentle impact extrusion pressure stress of sealing.
When compressor pump assembly 100 pairs of refrigeration agents compress, first suck low pressure refrigerant from the intakeport of stage compressor cylinder.Then after being compressed by one stage of compression cylinder 190, what be discharged to lower flange 120 cavity is intermediate pressure, this intermediate pressure refrigerant enters two-stage compression cylinder 160 as the air-breathing of two-stage compression cylinder 160 by middle pressure passageway, discharges upper flange 150 by the high pressure refrigerant after two-stage compression cylinder 160 compresses.Thus, the outside of whole compressor pump assembly 100 is all high pressure refrigerant, and the inside of lower flange 120 is middle pressure refrigerant.
Therefore, see Fig. 3, the exterior edge face of flange plate 130 is subject to high-pressure effect (as shown in larger arrow direction), and flange plate 130 is middle pressure pressure (as shown in comparatively small arrow direction) towards the pressure that lower flange 120 side interior edge face is subject to.By setting up elastic packing packing ring between lower flange 120 and flange plate 130, the distortion that flange plate 130 is produced under differential pressure action can only pass to elastic packing packing ring, and lower flange 120 can not be passed to, also just avoid the situation of the axial deformation of lower flange 120.Thus, can not there is bulging deformation towards the end face of cylinder side in lower flange 120.Thus while guarantee sealing, effectively alleviate the distortion of flange plate 130, avoid the phenomenon of lower flange 120 towards the head face hump of one stage of compression cylinder 190 side, solve the roller of compressor and the problem of bent axle 110 thrust surface wearing and tearing.Finally ensure that the reliability of compressor pump assembly 100.
Further, see Fig. 4, as another specific embodiment of compressor pump assembly 100 of the present utility model, it also comprises the second buffer structure 210.Wherein, the second buffer structure 210 is between the end face and the end face of flange plate 130 of the peripheral seal 122 of lower flange 120.Further, the upper-end surface of the second buffer structure 210 and lower end surface fit tightly with the end face of peripheral seal 122 and the end face of flange plate 130 respectively.That is, the upper-end surface of the second buffer structure 210 and peripheral seal 122 fit tightly towards the end face of flange plate 130, and the lower end surface of the second buffer structure 210 and the end face of flange plate 130 fit tightly.While making the good sealing of the second buffer structure 210 between the peripheral seal 122 ensureing lower flange 120 and flange plate 130, also further avoid the phenomenon of peripheral seal 122 bulging deformation of lower flange 120, thus further ensure the reliability of compressor pump assembly 100.
It should be noted that the mounting type of the mounting type of the second buffer structure 210 between peripheral seal 122 with flange plate 130 and the first buffer structure 140 is identical.That is, by offering the second groove on the end face of peripheral seal 122 towards flange plate 130, the second buffer structure 210 is placed in the second groove.
Meanwhile, in order to better ensure the sealing of lower flange 120, the thickness of the second buffer structure 210 is more than or equal to the degree of depth of the second groove.Preferably, the thickness of the second buffer structure 210 equals the degree of depth of the second groove, thus while the upper-end surface of the second buffer structure 210 and lower end surface are fitted tightly with the end face of peripheral seal 122 and the end face of flange plate 130 respectively, the edge end face of the second groove, namely peripheral seal 122 does not offer that the edge end face of the second groove is same with the end face of flange plate 130 to be fitted tightly.The final sealing that further ensure that between lower flange 120 and flange plate 130.
Accordingly, based on any one compressor pump assembly 100 above-mentioned, the utility model additionally provides a kind of compressor, and it comprises any one compressor pump assembly 100 above-mentioned.It should be noted that it both can be duplex cylinder compressor as compressor of the present utility model, also can be three cylinders or multi-cylinder compound compressor, or the rotary compressor such as Horizontal two-stage compressor.
The above embodiment only have expressed several mode of execution of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. a compressor pump assembly (100), is characterized in that, comprises bent axle (110), lower flange (120), flange plate (130) and the first buffer structure (140);
Described lower flange (120) and described flange plate (130) are all set on described bent axle (110), and are disposed adjacent;
Described lower flange (120) comprises jack shaft bearing portion (121) and peripheral seal (122);
Described jack shaft bearing portion (121) is around in the outer wall of described bent axle (110);
Described peripheral seal (122) is positioned at the outside of described jack shaft bearing portion (121), and forms the cavity of described lower flange (120) with described jack shaft bearing portion (121);
Between the end face that described first buffer structure (140) is positioned at described jack shaft bearing portion (121) and the end face of described flange plate (130).
2. compressor pump assembly (100) according to claim 1, is characterized in that, the upper-end surface of described first buffer structure (140) and the end face of described jack shaft bearing portion (121) fit;
The lower end surface of described first buffer structure (140) and the end face of described flange plate (130) fit.
3. compressor pump assembly (100) according to claim 1, is characterized in that, described jack shaft bearing portion (121) is provided with the first groove (1210) towards the end face of described flange plate (130);
Described first buffer structure (140) is placed in described first groove (1210).
4. compressor pump assembly (100) according to claim 3, is characterized in that, the thickness of described first buffer structure (140) is more than or equal to the degree of depth of described first groove (1210).
5. compressor pump assembly (100) according to claim 1, is characterized in that, described first buffer structure (140) is elastic packing packing ring.
6. compressor pump assembly (100) according to claim 5, is characterized in that, described elastic packing packing ring is rubber washer or metal washer.
7. the compressor pump assembly (100) according to any one of claim 1 to 6, is characterized in that, also comprises the second buffer structure (210);
Described second buffer structure (210) is positioned between the end face of described peripheral seal (122) and the end face of described flange plate (130); And
The upper-end surface of described second buffer structure (210) and lower end surface fit with the end face of described peripheral seal (122) and the end face of described flange plate (130) respectively.
8. compressor pump assembly (100) according to claim 7, is characterized in that, the end face of described peripheral seal (122) is provided with the second groove;
Described second buffer structure (210) is placed in described second groove.
9. compressor pump assembly (100) according to claim 8, is characterized in that, the thickness of described second buffer structure (210) is more than or equal to the degree of depth of described second groove.
10. a compressor, is characterized in that, comprises the compressor pump assembly (100) described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520922369.8U CN205207185U (en) | 2015-11-18 | 2015-11-18 | Compressor pump body subassembly and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520922369.8U CN205207185U (en) | 2015-11-18 | 2015-11-18 | Compressor pump body subassembly and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205207185U true CN205207185U (en) | 2016-05-04 |
Family
ID=55844908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520922369.8U Expired - Fee Related CN205207185U (en) | 2015-11-18 | 2015-11-18 | Compressor pump body subassembly and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205207185U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610489A (en) * | 2020-12-17 | 2021-04-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body assembly, compressor and air conditioner with same |
-
2015
- 2015-11-18 CN CN201520922369.8U patent/CN205207185U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610489A (en) * | 2020-12-17 | 2021-04-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body assembly, compressor and air conditioner with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20211118 |