CN208763900U - Pump body subassembly and compressor - Google Patents
Pump body subassembly and compressor Download PDFInfo
- Publication number
- CN208763900U CN208763900U CN201821355759.1U CN201821355759U CN208763900U CN 208763900 U CN208763900 U CN 208763900U CN 201821355759 U CN201821355759 U CN 201821355759U CN 208763900 U CN208763900 U CN 208763900U
- Authority
- CN
- China
- Prior art keywords
- pump assembly
- groove
- sealing structure
- cavity
- seal groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 63
- 238000007906 compression Methods 0.000 abstract description 13
- 230000006835 compression Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Landscapes
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model provides a pump body subassembly and compressor, pump body subassembly includes: the air cylinder is provided with a sliding sheet groove, a sliding sheet is arranged in the sliding sheet groove, at least one of the upper end surface of the sliding sheet and the lower end surface of the upper flange is provided with a sealing groove, a sealing structure is arranged in the sealing groove, the sealing structure is provided with a cavity communicated with the outside of the pump body assembly, and when the pump body assembly works, gas outside the pump body assembly enters the cavity to expand the sealing structure and the lower flangeThe sealing structure is provided with a cavity communicated with the outside of the pump body assembly, and when the pump body assembly works, gas outside the pump body assembly enters the cavity so that the sealing structure expands and clings to the lower flange. The utility model provides a many influences CO of the side high-pressure gas leakage volume in high pressure compression in-process slide groove2Performance of the compressor.
Description
Technical field
The utility model relates to Compressor Technology fields, and in particular to a kind of pump assembly and compressor.
Background technique
Currently, needing difference with refrigerant as compressor operating condition requires to be continuously improved, pressure texture performance requirement is just
It is more and more.For CO2For compressor, CO2Refrigerant has significant refrigeration effect, usual CO in high operating pressure2Compression
Machine will guarantee that gas leakage is few in the operating pressure of high pressure.But in high pressure compression process, the side high pressure of sliding vane groove
Gas leakage amount is more, influences CO2The performance of compressor.
Utility model content
The main purpose of the utility model is to provide a kind of pump assembly and compressors, to solve in the prior art in height
The side high pressure gas amount of leakage of sliding vane groove influences CO more in pressure compression process2The problem of performance of compressor.
To achieve the above object, the utility model provides a kind of pump assembly, comprising: what is set gradually from top to bottom is upper
Flange, cylinder and lower flange, cylinder are equipped with the sliding vane groove of the upper and lower surface through cylinder, are equipped with slide plate, slide plate in sliding vane groove
Upper surface and at least one of the lower end surface of upper flange be equipped with seal groove, sealing structure, sealing knot are equipped in seal groove
Structure has the cavity that be connected to of the external world with pump assembly, gas when pump assembly work outside pump assembly enter in cavity so that
Sealing structure expands and is adjacent to upper flange, and/or, at least one of lower end surface and the upper surface of lower flange of slide plate are equipped with
Seal groove, sealing structure is equipped in seal groove, and sealing structure has the cavity being connected to the external world of pump assembly, pump assembly work
Gas when making outside pump assembly enters in cavity so that sealing structure expands and is adjacent to lower flange.
Further, seal groove is arranged on slide plate.
Further, sealing structure includes elastic tube and sealing element, and the slot bottom of seal groove and its inner cavity is arranged in elastic tube
Cavity is formed, the outside of elastic tube is arranged in sealing element.
Further, elastic tube and seal groove radially extending along cylinder, sealing element is sealing strip.
Further, seal groove is groove, and the lateral wall of groove is equipped with the inner cavity of connection elastic tube and the company of sliding vane groove
Circulation passage.
Further, groove is rectangle.
Further, communicating passage is connection stomata.
Further, it is connected to stomata radially extending along cylinder.
Further, connection stomata is rounded.
The utility model also provides a kind of compressor, comprising: pump assembly, pump assembly are above-mentioned pump assembly.
Technical solutions of the utility model, when having the advantages that pump assembly work, the gas outside pump assembly enters chamber
In body, so that sealing structure expands and be adjacent to flange, reliable sealing is formed between sealing structure and flange, it is high to reduce pump assembly
Amount of leakage when pressure is compressed, to realize the reliability service of compressor high pressure compression.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.In the accompanying drawings:
Fig. 1 shows the schematic cross-sectional view of the embodiment of pump assembly according to the present utility model；
Fig. 2 shows the top views of the slide plate of the pump assembly of Fig. 1.
Wherein, the appended drawing reference in above-mentioned attached drawing are as follows:
10, upper flange；20, cylinder；21, sliding vane groove；30, lower flange；40, slide plate；41, seal groove；42, communicating passage；
50, sealing structure；51, elastic tube；52, sealing element.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
As shown in Figure 1, the pump assembly of the present embodiment includes: the upper flange 10 set gradually from top to bottom, 20 and of cylinder
Lower flange 30, cylinder 20 are equipped with the sliding vane groove 21 of the upper and lower surface through cylinder 20, are equipped with slide plate 40, slide plate in sliding vane groove 21
40 upper surface is equipped with seal groove 41, and sealing structure 50 is equipped in seal groove 41, and sealing structure 50 has and pump assembly
The cavity of external world's connection, gas when pump assembly works outside pump assembly enters in cavity so that sealing structure 50 is expanded and pasted
Tight upper flange 10.
Using the pump assembly of the present embodiment, when pump assembly works, the gas outside pump assembly enters in cavity, so that
Sealing structure expands and is adjacent to upper flange 10, forms reliable sealing between sealing structure 50 and the lower end surface of upper flange 10, reduces
Amount of leakage when pump assembly high pressure is compressed, to realize the reliability service of compressor high pressure compression.
In the present embodiment, sealing structure 50 includes elastic tube 51 and sealing element 52, and elastic tube 51 is arranged in seal groove 41
Slot bottom and its inner cavity form cavity, the outside of elastic tube 51 is arranged in sealing element 52.High pressure gas outside pump assembly is blown into
In elastic tube 51, expands elastic tube 51 and up push sealing element 52, sealing element 52 and 10 end face tight seal of upper flange, subtract
Few leakage rate.Sealing structure is simple, and convenient for assembly, and elastic tube 51 is convenient for deforming, easy to use, low in cost.Specifically, because
Elastic tube 51 can compress, and elastic tube is in confined state after sealing structure assembly.
In order to increase the contact area between sealing element and upper flange, in the present embodiment, elastic tube 51 and seal groove 41
Radially extending along cylinder 20, sealing element 52 are sealing strip.
In the present embodiment, as depicted in figs. 1 and 2, seal groove 41 is groove, and the lateral wall of groove is equipped with connection elasticity
The inner cavity of pipe 51 and the communicating passage 42 of sliding vane groove 21.Groove facilitates processing, reduces manufacturing cost.Communicating passage 42 is convenient for bullet
Property pipe 51 inner cavity be connected to sliding vane groove 21, when pump assembly works, the high pressure gas outside pump assembly passes through the outer of sliding vane groove
Side, communicating passage 42 enter in the inner cavity of elastic tube 51.Specifically, groove is rectangle, and sealing strip is in a rectangular parallelepiped shape at this time.
In the present embodiment, communicating passage 42 is connection stomata, and connection stomata is easy to process, reduces production cost.Specifically
Ground, connection stomata are rounded.Certainly, connection stomata may be other shapes, however it is not limited to this.
Stomata radially extending along cylinder 20 is connected in the present embodiment to further facilitate processing connection stomata.
It also is provided with seal groove on the lower end surface of slide plate in the present embodiment in order to reduce the amount of leakage of the lower end surface of slide plate,
Sealing structure is equipped in seal groove, sealing structure has the cavity being connected to the external world of pump assembly, and pump assembly pumps when working
Gas outside body component enters in cavity so that sealing structure expands and be adjacent to lower flange, the lower end surface of sealing structure and upper flange
Between form reliable sealing, the amount of leakage when compression of pump assembly high pressure is further reduced, to realize compressor high pressure
The reliability service of compression.The specific structure of the sealing structure and seal groove is identical as the structure of above-mentioned sealing structure and seal groove,
In this not go into detail.
The utility model also provides a kind of compressor, and compressor includes: pump assembly, and pump assembly is above-mentioned pump housing group
Part.Compressor further includes shell, and pump assembly is arranged in shell, and the external world of pump assembly is the inner wall of pump assembly and shell
Between space, after compression operation, sky of the high pressure gas between pump assembly and the inner wall of shell that is discharged from upper flange
Between in, a part in high pressure gas enters the outside of sliding vane groove, and is blown into elastic tube by being connected to stomata, makes elastic tube
Sealing strip, the end face tight seal of sealing strip and upper flange are expanded and up push, sealing strip and upper flange end face are formed reliably
Sealing reduces amount of leakage, can solve the problems, such as high pressure compression process since high pressure gas is easy leakage, in high pressure compression
Improve the reliability of pressure texture.
It can be seen from the above description that the above embodiments of the utility model achieve the following technical effects:
Seal groove is opened up on slide plate, elastic tube and sealing strip are set in seal groove, solves to compress when high pressure compression
Problem more than structure leakage rate, the reliability service of compressor when realizing high pressure compression.
As interchangeable embodiment, seal groove is arranged on the lower end surface of upper flange, is connected to stomata at this time and is also provided with
On upper flange.
As interchangeable embodiment, the upper surface of lower flange is arranged in seal groove, is connected to stomata at this time and is also disposed at
On lower flange.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among the protection scope created still in the utility model.
Claims (10)
1. a kind of pump assembly, comprising: upper flange (10), cylinder (20) and the lower flange (30) set gradually from top to bottom, institute
The sliding vane groove (21) for the upper and lower surface that cylinder (20) are equipped with through the cylinder (20) is stated, is equipped with and slides in the sliding vane groove (21)
Piece (40),
It is characterized in that, the upper surface of the slide plate (40) and at least one of the lower end surface of the upper flange (10) are equipped with
Seal groove (41) is equipped with sealing structure (50) in the seal groove (41), and the sealing structure (50) has and the pump housing group
The cavity of the extraneous connection of part, gas of pump assembly when working outside the pump assembly enter in the cavity so that institute
Sealing structure (50) are stated to expand and be adjacent to the upper flange (10), and/or,
At least one of lower end surface and the upper surface of the lower flange (30) of the slide plate (40) are equipped with seal groove (41),
Sealing structure (50) are equipped in the seal groove (41), the sealing structure (50) has to be connected to the external world of the pump assembly
Cavity, the gas when pump assembly works outside the pump assembly enters in the cavity so that the sealing structure
(50) it expands and is adjacent to the lower flange (30).
2. pump assembly according to claim 1, which is characterized in that the seal groove (41) is arranged in the slide plate (40)
On.
3. pump assembly according to claim 2, which is characterized in that the sealing structure (50) include elastic tube (51) and
Sealing element (52), the elastic tube (51) setting the seal groove (41) slot bottom and its inner cavity form the cavity, it is described
Sealing element (52) is arranged in the outside of the elastic tube (51).
4. pump assembly according to claim 3, which is characterized in that the elastic tube (51) and the seal groove (41) are equal
Along radially extending for the cylinder (20), the sealing element (52) is sealing strip.
5. pump assembly according to claim 3, which is characterized in that the seal groove (41) is groove, the groove
Lateral wall is equipped with the communicating passage (42) of the inner cavity and the sliding vane groove (21) that are connected to the elastic tube (51).
6. pump assembly according to claim 5, which is characterized in that the groove is rectangle.
7. pump assembly according to claim 5, which is characterized in that the communicating passage (42) is connection stomata.
8. pump assembly according to claim 7, which is characterized in that radial direction of the connection stomata along the cylinder (20)
Extend.
9. pump assembly according to claim 7, which is characterized in that the connection stomata is rounded.
10. a kind of compressor, comprising: pump assembly, which is characterized in that the pump assembly is any one of claims 1 to 9
The pump assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821355759.1U CN208763900U (en) | 2018-08-21 | 2018-08-21 | Pump body subassembly and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821355759.1U CN208763900U (en) | 2018-08-21 | 2018-08-21 | Pump body subassembly and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208763900U true CN208763900U (en) | 2019-04-19 |
Family
ID=66133360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821355759.1U Active CN208763900U (en) | 2018-08-21 | 2018-08-21 | Pump body subassembly and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208763900U (en) |
-
2018
- 2018-08-21 CN CN201821355759.1U patent/CN208763900U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205036534U (en) | A compressor that is used for valves part of compressor and has it | |
| CN202301036U (en) | Rotary two-stage enthalpy-increasing compressor | |
| US20140345713A1 (en) | Suction valve assembly for alternative compressor | |
| CN216554388U (en) | Pump body subassembly, compressor, air conditioner | |
| CN208763900U (en) | Pump body subassembly and compressor | |
| CN202520552U (en) | Rotary compressor | |
| CN105909498A (en) | Two-stage stroke type rotary compressor | |
| CN216554387U (en) | Pump body subassembly, compressor, air conditioner | |
| CN114087180B (en) | Pump body assembly, compressor and air conditioner | |
| CN214304220U (en) | High-pressure cylinder body structure with balance cavity | |
| CN210565085U (en) | Compression structure for rotary compressor, rotary compressor and air conditioner | |
| CN210715102U (en) | Multiple shell fragment formula slider mechanism of preventing leaking | |
| CN212003586U (en) | Leakage-reducing matched cylinder for rotor compressor | |
| CN208268029U (en) | A kind of piston body | |
| CN209124526U (en) | A kind of vacuum dirty-sucking unit | |
| CN207761943U (en) | Scroll compressor | |
| CN208364399U (en) | Compressor and its exhaust structure | |
| CN208669589U (en) | A kind of compressor | |
| CN206972544U (en) | Compression mechanism and there is its compressor | |
| CN107191380B (en) | Compression mechanism and compressor with same | |
| CN110966203A (en) | Compressor pump body and compressor | |
| CN206738171U (en) | A kind of oil-sealed sliding vane vacuum pump | |
| CN209129867U (en) | Arc valve block structure | |
| CN110878745A (en) | Fully-closed integrated movable compression cavity of reciprocating air compressor | |
| CN215806729U (en) | Sealed vacuum angle valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |