CN206636780U - A kind of screw compressor and its refrigerant supplementing structure - Google Patents
A kind of screw compressor and its refrigerant supplementing structure Download PDFInfo
- Publication number
- CN206636780U CN206636780U CN201720333751.4U CN201720333751U CN206636780U CN 206636780 U CN206636780 U CN 206636780U CN 201720333751 U CN201720333751 U CN 201720333751U CN 206636780 U CN206636780 U CN 206636780U
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- CN
- China
- Prior art keywords
- refrigerant
- pipeline
- fixed scroll
- supplementing structure
- cavity
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- 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.)
- Withdrawn - After Issue
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Abstract
A kind of refrigerant supplementing structure of screw compressor is the utility model is related to, including：Fixed scroll, the spray-hole communicated with compression chamber, and the refrigerant diversion cavity connected with the spray-hole are offered on the fixed scroll；The pipeline installation portion connected with the refrigerant diversion cavity；For providing the refrigerant pipeline of refrigerant to the refrigerant diversion cavity, the refrigerant pipeline is set with the pipeline installation portion, and both seal in the compressor shaft upward sliding and coordinated.The refrigerant supplementing structure can not only realize the supplement of refrigerant, but also adapt to fixed scroll and have the screw compressor of axial floating displacement, simple in construction, assembling facility.The utility model further relates to a kind of screw compressor using above-mentioned refrigerant supplementing structure.
Description
Technical field
Compressor production technical field is the utility model is related to, more particularly to a kind of screw compressor and its refrigerant supplement knot
Structure.
Background technology
Screw compressor mainly by sealing shell, orbiter, fixed scroll, anti-rotation mechanism, upper bracket, lower carriage,
The parts such as bent axle and motor form.Dynamic and static scroll plate is eccentric and differs that 180 degree is opposed to be arranged on upper bracket, dynamic and static vortex
Disk engages to form a series of crescent moon-shaped fluid chambers.Fixed scroll is fixed on upper bracket, the bearing and bent axle of orbiter lower end
Coordinate, bent axle coordinates with rotor.Bent axle drives orbiter using the center of fixed scroll as rotation under the driving of motor
Center, and the revolution motion without rotation is made with certain radius of turn, gas outer ring crescent moon-shaped fluid chamber will constantly to
Center is moved, and is constantly reduced and pressure constantly raises, until communicating with central exhaust port and continuously discharging.
Screw compressor is used in air-conditioning system, when evaporating temperature is relatively low and operating mode that condensation temperature is higher, high pressure ratio work
(such as ultralow temperature heating is carried out under condition or High Pressure Difference operating mode in northern winter), and screw compressor occurs that compression ratio is excessive or pressure
The excessive situation of difference, these situations can cause heating capacity deficiency and delivery temperature rise, and high delivery temperature can cause refrigeration oil
Deteriorate and then cause vortex mill damage to cause to fail, therefore the operating efficiency and reliability of screw compressor decrease.
Solution to the problems described above mainly sprays refrigerant liquid or cold into the compression chamber of screw compressor at present
Gas body, this just needs to open up the spray-hole connected with compression chamber on fixed scroll, then outer by what is be connected with spray-hole
If pipeline is to screw compressor coolant adding, however, the fixed scroll of screw compressor is flexible in the axial direction, that is to say, that
Fixed scroll allows the floating displacement for having small range in the axial direction, and this just brings larger difficulty to the arrangement of peripheral hardware pipeline.
Utility model content
One of the purpose of this utility model is to provide a kind of refrigerant supplementing structure of screw compressor, so that one side can
Realize and refrigerant supplement is carried out to the compression chamber of screw compressor, on the other hand can supplement refrigerant on the premise of convenient arrange
The axial floating displacement of Structure adaptation fixed scroll.
Another object of the present utility model, which also resides in, provides a kind of screw compressor with above-mentioned refrigerant supplementing structure.
To reach above-mentioned purpose, the refrigerant supplementing structure of screw compressor provided by the utility model, including：
Fixed scroll, the spray-hole communicated with compression chamber is offered on the fixed scroll, and connected with the spray-hole
Refrigerant diversion cavity；
The pipeline installation portion connected with the refrigerant diversion cavity；
For providing the refrigerant pipeline of refrigerant, the refrigerant pipeline and the pipeline installation portion set to the refrigerant diversion cavity
Dress, and both seal in the compressor shaft upward sliding and coordinated.
Preferably, in addition to the mounting seat that is sealingly disposed on the fixed scroll side, the pipeline installation portion is opens
The axial cavity being located in the mounting seat, the end of the refrigerant pipeline are slided in the embedded axial cavity, and described cold
At least one sealing ring is provided between matchmaker's pipeline and the axial cavity.
Preferably, the refrigerant diversion cavity is the lateral bore being opened on the fixed scroll, is gone back in the mounting seat
Offer the cross connection chamber for connecting the lateral bore and the axial cavity.
Preferably, the cross connection intracavitary, which is additionally provided with, prevents refrigerant adverse current from being opened into the pressure in the refrigerant pipeline
Open valve.
Preferably, one end that the cross connection chamber connects with the lateral bore is valve body installation cavity, and the pressure is opened
Open valve to be embedded in the valve body installation cavity, and the pressure operable valve includes：
For blocking the valve block of the cross connection chamber；
One end and the side of the fixed scroll are offseted, and the valve block is pressed in the cross connection chamber end by the other end
Spring.
Preferably, in addition to the mounting seat that is sealingly disposed on the fixed scroll side, the mounting seat are formed in itself
The pipeline installation portion, the mounting seat are slided in the embedded refrigerant pipeline, and the mounting seat and the refrigerant pipeline it
Between be provided with least one sealing ring.
Preferably, the mounting seat by bolt or mode connects for screw on the fixed scroll, and the mounting seat and institute
State and be provided with sealing gasket between fixed scroll.
Preferably, the refrigerant pipeline is connected on the housing of the compressor.
Preferably, the pipeline installation portion is the axial cavity being opened on the fixed scroll, the refrigerant pipeline
End is slided in the embedded axial cavity, and at least one sealing is provided between the refrigerant pipeline and the axial cavity
Circle.
Preferably, in addition to it is built in the fixed scroll, and for preventing refrigerant adverse current from entering the refrigerant pipeline
Interior pressure operable valve.
Preferably, the pressure operable valve is arranged on the junction of the spray-hole and the refrigerant diversion cavity, and described
Pressure operable valve includes：
For blocking the valve block of the refrigerant diversion cavity；
One end offsets with the fixed scroll, and the valve block is pressed in the bullet of the refrigerant diversion cavity end by the other end
Spring.
Preferably, in addition to it is fixedly installed on the housing of the compressor, and is connected with the housing that peripheral hardware pipeline is connected
Seat, the other end of the refrigerant pipeline are provided with installing plate, and the installing plate passes through screw or bolt with the housing connecting seat
It is connected.
Preferably, in addition to it is fixedly installed on the housing of the compressor, and is connected with the housing that peripheral hardware pipeline is connected
, the axial cavity is also offered in the housing connecting seat, the refrigerant pipeline is U-shaped, and the refrigerant pipeline is another
In the axial cavity of the dynamic embedded housing connecting seat in outer one end, the axial cavity of the refrigerant pipeline and the housing connecting seat
Between be provided with least one sealing ring.
Preferably, in addition to the limiting plate that is connected on the fixed scroll, it is described cold in the embedded axial cavity
Matchmaker's pipe ends are provided with spacing preiection, and being set on the limiting plate allows the refrigerant pipeline by and preventing described spacing
The spacing hole of projection abjection.
Screw compressor disclosed in the utility model, it is provided with refrigerant supplementing structure, and refrigerant supplement knot
Structure is the refrigerant supplementing structure disclosed in above-mentioned any one.
As can be seen that being provided with the spray-hole being connected with compression chamber on fixed scroll, spray-hole connects with refrigerant diversion cavity
Logical, pipeline installation portion connects with refrigerant diversion cavity, pipeline installation portion and the refrigerant pipeline for providing refrigerant to refrigerant diversion cavity
Be connected, when evaporating temperature is relatively low and under operating mode, high pressure ratio operating mode or High Pressure Difference operating mode that condensation temperature is higher, refrigerant pipeline can be with
Reaching by way of to refrigerant diversion cavity coolant adding liquid or gas reduces compressor exhaust temperature and increase compressor
The purpose of capacity, so as to lift the operating efficiency of screw compressor, ensure the reliability of its work, further, since refrigerant pipe
Road is set with pipeline installation portion, and both seal in compressor shaft upward sliding and coordinated, and this is just being avoided the same of secondary refrigerant leakage
When so that refrigerant pipeline has adapted to the axial floating displacement of fixed scroll, simple in construction, assembling facility.
Brief description of the drawings
Fig. 1 is the overall diagrammatic cross-section of the screw compressor disclosed in the utility model embodiment one；
Fig. 2 is the enlarged diagram of part A in Fig. 1；
Fig. 3 is the structural representation of the refrigerant diversion cavity of the fixed scroll disclosed in the utility model；
Fig. 4 is the perspective structure schematic diagram of the mounting seat disclosed in the utility model embodiment one；
Fig. 5 is the structural representation of the refrigerant pipeline disclosed in the utility model embodiment one；
Fig. 6 is the attachment structure schematic diagram of the refrigerant pipeline and fixed scroll disclosed in the utility model embodiment two；
Fig. 7 is the attachment structure schematic diagram of the refrigerant pipeline and fixed scroll disclosed in the utility model embodiment three；
Fig. 8 is the structural representation of the refrigerant pipeline disclosed in the utility model embodiment three；
Fig. 9 is the attachment structure schematic diagram of the refrigerant pipeline and fixed scroll disclosed in the utility model embodiment four；
Figure 10 is a kind of structural representation of limiting plate disclosed in the utility model；
Figure 11 is the structural representation of another limiting plate disclosed in the utility model.
Wherein, 1 is fixed scroll, and 2 be orbiter, and 3 be spray-hole, and 4 be refrigerant diversion cavity, and 5 be mounting seat, and 6 be cold
Matchmaker's pipeline, 7 be axial cavity, and 8 be cross connection chamber, and 9 be valve body installation cavity, and 10 be valve block, and 11 be spring, and 12 be sealing ring,
13 be housing connecting seat, and 14 be installing plate, and 15 be sealing gasket, and 16 be housing, and 17 be limiting plate, and 18 be spacing hole, and 61 be grafting
End.
Embodiment
One of core of the present utility model is the refrigerant supplementing structure for a kind of screw compressor, so that one side can be real
Refrigerant supplement now is carried out to the compression chamber of screw compressor, refrigerant supplement knot on the other hand can be made on the premise of convenient arrange
Structure adapts to the axial floating displacement of fixed scroll.
Another core of the present utility model, which also resides in, provides a kind of screw compressor with above-mentioned refrigerant supplementing structure.
In order that those skilled in the art more fully understand the utility model, below in conjunction with the accompanying drawings and it is embodied
The utility model is described in further detail for mode.
Embodiment 1
Fig. 1 to Fig. 5 is refer to, in the present embodiment, the master in the agent structure and currently available technology of screw compressor
Body structure is identical, and the core improvement in the technical scheme disclosed in the present embodiment is to be provided with and is used for screw compressor
The refrigerant supplementing structure of refrigerant supplement is carried out, the refrigerant supplementing structure specifically includes fixed scroll 1, pipeline installation portion and refrigerant
Pipeline 6, as shown in Figure 2, the scroll wrap side of fixed scroll 1 offer the spray-hole 3 communicated with compression chamber, and with injection
The refrigerant diversion cavity 4 that hole 3 connects, it is contemplated that design and the convenience of processing, spray-hole 3 are axial spray-hole, refrigerant diversion cavity 4
Transversely set.In the present embodiment, refrigerant diversion cavity 4 extends to the side of fixed scroll 1, in order to form pipeline installation
Portion, also include a mounting seat 5 in the present embodiment, the mounting seat 5 is sealedly attached on the side of fixed scroll 1, pipeline installation
Portion is specially the axial cavity 7 being opened in mounting seat 5, and as shown in figs. 2 and 4, refrigerant pipeline 6 is fixedly installed on compressor
Housing 16 on, and its end is inserted terminal, and as shown in Figure 5, the inserted terminal, which slides, to be embedded into axial cavity 7, in order to
Ensure the sealing between refrigerant pipeline 6 and axial cavity 7, at least one sealing is provided between refrigerant pipeline 6 and axial cavity 7
Circle 12, so as to realize both cooperations that is slidingly sealed, Fig. 2 and structure demonstrated in Figure 5, the inserted terminal of refrigerant pipeline 6 is set
There are two sealing rings being spaced apart 12.
Axial cavity 7 in mounting seat 5 needs to connect the refrigerant that can just make to be entered by refrigerant pipeline 6 with refrigerant diversion cavity 4
It is delivered to spray-hole 3, therefore connection chamber need to be also set in mounting seat 5, is equally the convenience for considering design and manufacture, this reality
Apply connection chamber in example and connect refrigerant diversion cavity 4 for one end, the other end connects the cross connection chamber 8 of axial cavity 7, such as Fig. 2 and
Shown in Fig. 4.
Mounting seat 5 is removably connected in the side of fixed scroll 1 by bolt or screw, in order to ensure mounting seat 5 with
Sealing between fixed scroll 1, sealing gasket is provided between mounting seat 5 and fixed scroll 1.
In this embodiment, the spray-hole 3 being connected with compression chamber is provided with fixed scroll 1, spray-hole 3 is led with refrigerant
Stream chamber 4 connects, and pipeline installation portion connects with refrigerant diversion cavity 4, and pipeline installation portion provides refrigerant with being used for refrigerant diversion cavity 4
Refrigerant pipeline 6 is connected, when evaporating temperature is relatively low and under operating mode, high pressure ratio operating mode or High Pressure Difference operating mode that condensation temperature is higher, it is cold
Matchmaker's pipeline 6 can reach reduction compressor exhaust temperature by way of to the coolant adding liquid of refrigerant diversion cavity 4 or gas
With the purpose of increase compressor air-discharging amount, so as to lift the operating efficiency of screw compressor, ensure the reliability of its work, separately
Outside, refrigerant pipeline 6 and pipeline installation portion are set with, and both seal in compressor shaft upward sliding and coordinated, this just avoid it is cold
While matchmaker reveals so that refrigerant pipeline 6 has adapted to the axial floating displacement of fixed scroll 1, simple in construction, installation facility, this
Art personnel with pipeline installation portion in order to reach refrigerant pipeline it is easily understood that realize purpose in axial sliding, pipeline
A kind of relatively simple set-up mode of installation portion is along the axially arranged of compressor.
It can be appreciated that during refrigerant supplement, also need to prevent the refrigerant adverse current in compressor into refrigerant pipeline 6, because
This, in order to optimize such scheme, can also set the pressure for preventing that refrigerant adverse current from entering in refrigerant pipeline 6 in cross connection chamber 8
Opening valve, specifically, as shown in Figure 2, cross connection chamber 8 is space with one end that lateral bore (refrigerant diversion cavity 4) connects
Larger valve body installation cavity 9, pressure operable valve are embedded in valve body installation cavity 9, and pressure operable valve includes valve block 10 and bullet
Spring 11, valve block 10 are used to block cross connection chamber 8, and one end and the side of fixed scroll 1 of spring 11 offset, and the other end is by valve block
10 are pressed on the end of cross connection chamber 8, and reference picture 2 understands that the pressure operable valve pressure can be less than refrigerant pipe in compressor
Pressure in road 6, and opened when pressure difference is more than the elastic force of spring 11, and now refrigerant in refrigerant pipeline 6 enters compression
Machine cavity body, and situation in addition, pressure operable valve can remain off, when this not only make it that pressure difference reaches predetermined value
Refrigerant pipeline 6 can the coolant adding into compression chamber, and also achieving prevents refrigerant adverse current to the mesh in refrigerant pipeline 6 in time
's.
Embodiment 2
Fig. 6, the technical scheme disclosed in the present embodiment are refer to, the difference with embodiment 1 is, forms pipeline installation
The axial cavity 7 in portion is specifically directly opened on fixed scroll 1, in process, is attacked in the end of refrigerant diversion cavity 4
Screw thread, the outer end of refrigerant diversion cavity 4 is blocked by screw, and axial cavity 7 directly connects with refrigerant diversion cavity 4；Pressure operable valve
It is arranged in fixed scroll 1, and positioned at spray-hole 3 and the junction of refrigerant diversion cavity 4, as shown in Figure 6, the opened by pressure
The spring 11 of valve is used to valve block 10 being pressed in the end of refrigerant diversion cavity 4.
Embodiment 3
Fig. 7 and Fig. 8 are refer to, the present embodiment and the difference of embodiment 2 are that the axial cavity 7 in embodiment 2 is opened in
The lower end of fixed scroll 1, the axial cavity 7 in the present embodiment are opened in the upper end of fixed scroll 1, set on the housing of compressor
There is housing connecting seat 13, the housing connecting seat 13 is connected with the peripheral hardware pipeline outside compressor, to be provided to refrigerant pipeline 6
Refrigerant, the one end of refrigerant pipeline 6, which is slidingly sealed, to be embedded in axial cavity 7, and the other end is fixedly connected on housing connecting seat 13, tool
Body, refrigerant pipeline 6 is provided with installing plate 14 with one end that housing connecting seat 13 is engaged, the installing plate 14 and housing connecting seat
13, by screw or bolt connection, further, are additionally provided with sealing gasket 15 between installing plate 14 and housing connecting seat 13.
Embodiment 4
Fig. 9 is refer to, the difference of the present embodiment and embodiment 3 is the difference of housing connecting seat 13, in the present embodiment,
Also axial cavity 7 is offered in housing connecting seat 13, at the same time, refrigerant pipeline 6 is configured to U-shaped, and refrigerant pipeline 6 is used for
The one end being engaged with housing connecting seat 13 is also embedded in the axial cavity 7 of housing connecting seat 13, and refrigerant pipeline 6 is connected with housing
Also at least provided with a sealing ring 12 between the circumferential cavity of seat 13.
Further, limiting plate 17 can be also set on fixed scroll 1, to prevent that refrigerant pipeline 6 is de- with fixed scroll 1
From limiting plate 17 is arranged on fixed scroll 1 by fixtures such as bolt or screws, the refrigerant pipe being embedded into axial cavity 7
Road 6 end set limited location is raised, and being provided with limiting plate 17 allows refrigerant pipeline 6 by and preventing spacing preiection from deviating from
Spacing hole 18.Spacing hole 18 can be semi-open hole, as shown in Figure 10, or blind hole, as shown in figure 11, as long as energy
Enough play position-limiting action.
Embodiment 5
The present embodiment is substantially the same manner as Example 1, is with the distinctive points of embodiment 1, and mounting seat 5 itself forms pipeline peace
Dress portion, mounting seat 5 is slided in embedded refrigerant pipeline 6, and at least one sealing ring is provided between mounting seat 5 and refrigerant pipeline 6
12, it can be seen that in embodiment 1, refrigerant pipeline 6 has been inserted in mounting seat 5, and in the present embodiment, mounting seat 5 is inserted in can be cold
In matchmaker's pipeline 6.
A kind of screw compressor is also disclosed in the utility model, the screw compressor is provided with refrigerant supplementing structure, and
And refrigerant supplementing structure is the refrigerant supplementing structure disclosed in above-mentioned any one embodiment.
As a result of above-mentioned refrigerant supplementing structure, therefore to have above-mentioned refrigerant supplementing structure concurrently corresponding for the screw compressor
Technological merit, this is no longer repeated herein.
Screw compressor provided by the utility model and its refrigerant supplementing structure are described in detail above.Herein
In apply specific case principle of the present utility model and embodiment be set forth, the explanation of above example is simply used
Understand method and its core concept of the present utility model in help.It should be pointed out that for those skilled in the art
For, on the premise of the utility model principle is not departed from, some improvement and modification can also be carried out to the utility model, these
Improve and modification is also fallen into the protection domain of the utility model claims.
Claims (15)
- A kind of 1. refrigerant supplementing structure of screw compressor, it is characterised in that including：Fixed scroll (1), offers the spray-hole (3) communicated with compression chamber on the fixed scroll (1), and with the spray-hole (3) the refrigerant diversion cavity (4) of connection；The pipeline installation portion connected with the refrigerant diversion cavity (4)；For providing the refrigerant pipeline (6) of refrigerant to the refrigerant diversion cavity (4), the refrigerant pipeline (6) is pacified with the pipeline Dress portion is set with, and both seal in the compressor shaft upward sliding and coordinated.
- 2. refrigerant supplementing structure according to claim 1, it is characterised in that also include being sealingly disposed in the fixed scroll (1) mounting seat on side (5), the pipeline installation portion is the axial cavity (7) being opened in the mounting seat (5), described The end of refrigerant pipeline (6) is slided in the embedded axial cavity (7), and the refrigerant pipeline (6) and the axial cavity (7) Between be provided with least one sealing ring (12).
- 3. refrigerant supplementing structure according to claim 2, it is characterised in that the refrigerant diversion cavity (4) is is opened in The lateral bore on fixed scroll (1) is stated, is further opened with connecting the lateral bore and the axial cavity in the mounting seat (5) The cross connection chamber (8) of body (7).
- 4. refrigerant supplementing structure according to claim 3, it is characterised in that be additionally provided with the cross connection chamber (8) The pressure operable valve for preventing refrigerant adverse current from entering in the refrigerant pipeline (6).
- 5. refrigerant supplementing structure according to claim 4, it is characterised in that the cross connection chamber (8) and the transverse direction One end that vestibule connects is valve body installation cavity (9), and the pressure operable valve is embedded in the valve body installation cavity (9), and described Pressure operable valve includes：For blocking the valve block (10) of the cross connection chamber (8)；The side of one end and the fixed scroll (1) is offseted, and the valve block (10) is pressed in the cross connection chamber by the other end (8) spring (11) of end.
- 6. refrigerant supplementing structure according to claim 1, it is characterised in that also include being sealingly disposed in the fixed scroll (1) mounting seat on side (5), the mounting seat (5) itself form the pipeline installation portion, and the mounting seat (5) is slided embedding Enter in the refrigerant pipeline (6), and at least one sealing ring is provided between the mounting seat (5) and the refrigerant pipeline (6) (12)。
- 7. according to the refrigerant supplementing structure described in claim 2-6 any one, it is characterised in that the mounting seat (5) passes through Bolt or mode connects for screw are provided between the mounting seat (5) and the fixed scroll (1) on the fixed scroll (1) Sealing gasket.
- 8. according to the refrigerant supplementing structure described in claim 1-6 any one, it is characterised in that the refrigerant pipeline (6) is solid It is connected on the housing (16) of compressor.
- 9. refrigerant supplementing structure according to claim 1, it is characterised in that the pipeline installation portion is described quiet to be opened in Axial cavity (7) in scroll plate (1), the end of the refrigerant pipeline (6) is slided in the embedded axial cavity (7), and institute State and at least one sealing ring (12) is provided between refrigerant pipeline (6) and the axial cavity (7).
- 10. refrigerant supplementing structure according to claim 9, it is characterised in that also include being built in the fixed scroll (1) In, and the pressure operable valve for preventing refrigerant adverse current from entering in the refrigerant pipeline (6).
- 11. refrigerant supplementing structure according to claim 10, it is characterised in that the pressure operable valve is arranged on the spray Perforation (3) and the junction of the refrigerant diversion cavity (4), and the pressure operable valve includes：For blocking the valve block (10) of the refrigerant diversion cavity (4)；One end is offseted with the fixed scroll (1), and the valve block (10) is pressed in refrigerant diversion cavity (4) end by the other end Spring (11).
- 12. refrigerant supplementing structure according to claim 9, it is characterised in that also include being fixedly installed on the compressor Housing on, and the housing connecting seat (13) being connected with peripheral hardware pipeline, the other end of the refrigerant pipeline (6) are provided with installing plate (14), the installing plate (14) is connected with the housing connecting seat (13) by screw or bolt.
- 13. refrigerant supplementing structure according to claim 9, it is characterised in that also include being fixedly installed on the compressor Housing on, and the housing connecting seat (13) being connected with peripheral hardware pipeline, also offers the axle in the housing connecting seat (13) To cavity (7), the refrigerant pipeline (6) is U-shaped, and the other end of the refrigerant pipeline (6) is slided the embedded housing and connected In the axial cavity (7) of joint chair (13), between the refrigerant pipeline (6) and the axial cavity (7) of the housing connecting seat (13) It is provided with least one sealing ring (12).
- 14. the refrigerant supplementing structure according to claim 13 any one, it is characterised in that also described quiet including being connected in Limiting plate (17) in scroll plate (1), the refrigerant pipeline (6) the end set limited location being embedded in the axial cavity (7) Projection, setting on the limiting plate (17) allows the refrigerant pipeline (6) by and preventing the spacing of the spacing preiection abjection Hole (18).
- 15. a kind of screw compressor, it is provided with refrigerant supplementing structure, it is characterised in that the refrigerant supplementing structure is such as right It is required that the refrigerant supplementing structure described in 1-14 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720333751.4U CN206636780U (en) | 2017-03-31 | 2017-03-31 | A kind of screw compressor and its refrigerant supplementing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720333751.4U CN206636780U (en) | 2017-03-31 | 2017-03-31 | A kind of screw compressor and its refrigerant supplementing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206636780U true CN206636780U (en) | 2017-11-14 |
Family
ID=60262488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720333751.4U Withdrawn - After Issue CN206636780U (en) | 2017-03-31 | 2017-03-31 | A kind of screw compressor and its refrigerant supplementing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206636780U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061268A (en) * | 2017-03-31 | 2017-08-18 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of screw compressor and its refrigerant supplementing structure |
| WO2022011879A1 (en) * | 2020-07-17 | 2022-01-20 | 艾默生环境优化技术(苏州)有限公司 | Scroll compressor and method for assembling fixed scroll of scroll compressor |
-
2017
- 2017-03-31 CN CN201720333751.4U patent/CN206636780U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061268A (en) * | 2017-03-31 | 2017-08-18 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of screw compressor and its refrigerant supplementing structure |
| WO2022011879A1 (en) * | 2020-07-17 | 2022-01-20 | 艾默生环境优化技术(苏州)有限公司 | Scroll compressor and method for assembling fixed scroll of scroll compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171114 Effective date of abandoning: 20200207 |