CN209586675U - A kind of screw compressor of the upper sealing ring equipped with wedge shape section - Google Patents
A kind of screw compressor of the upper sealing ring equipped with wedge shape section Download PDFInfo
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- CN209586675U CN209586675U CN201920272238.8U CN201920272238U CN209586675U CN 209586675 U CN209586675 U CN 209586675U CN 201920272238 U CN201920272238 U CN 201920272238U CN 209586675 U CN209586675 U CN 209586675U
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- sealing ring
- upper sealing
- noise reduction
- fixed scroll
- protrusion
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Abstract
The utility model provides a kind of screw compressor of upper sealing ring equipped with wedge shape section comprising: noise reduction lid, fixed scroll, seal assembly, seal assembly include: upper sealing ring and lower sealing ring；Noise reduction lid is located at the top of fixed scroll, and the intermediate region of fixed scroll has inner ring protrusion, forms high pressure chest between inner ring protrusion, noise reduction lid and seal assembly；All side edges of fixed scroll have outer ring protrusion, form middle pressure chamber between outer ring protrusion and seal assembly；Seal assembly is located between inner ring protrusion and outer ring protrusion, and upper sealing ring is stacked on lower sealing ring；The inside edge of upper sealing ring has the wedge-shaped thin slice extended towards center, and wedge-shaped thin slice is pressed in noise reduction under the pressure effect of high pressure chest and covers.The utility model is by being arranged the wedge-shaped thin slice that extends towards center in the inside edge of upper sealing ring, the sealing between formation and noise reduction lid, and the airtightness between fixed scroll and noise reduction lid thereon has been effectively ensured.
Description
Technical field
The utility model relates to Compressor Technology field more particularly to a kind of vortexs of the upper sealing ring equipped with wedge shape section
Compressor.
Background technique
Screw compressor is a kind of compressor of positive displacement compression, and compression member is made of orbiter and fixed scroll.
The working principle of screw compressor are as follows: orbiter and fixed scroll relative motion constantly squeeze air toward whirlpool disk center, make
It obtains the atmospheric pressure closer to center to increase, then in pressure maximum, vortex end is forming in a flash dislocation, generates between one
Gap, air are emitted from gap, form high pressure draught.However, the fixed scroll of existing screw compressor with thereon
There is a problem of between noise reduction lid poorly sealed.Therefore, in view of the above-mentioned problems, it is necessary to propose further solution.
Utility model content
The purpose of this utility model is to provide a kind of screw compressors of upper sealing ring equipped with wedge shape section, to overcome
The deficiencies in the prior art.
To realize above-mentioned purpose of utility model, the utility model provides a kind of vortex of upper sealing ring equipped with wedge shape section
Compressor comprising: noise reduction lid, fixed scroll, seal assembly, the seal assembly include: upper sealing ring and lower sealing ring；
The noise reduction lid is located at the top of the fixed scroll, and the intermediate region of the fixed scroll has inner ring protrusion,
High pressure chest is formed between the inner ring protrusion, noise reduction lid and seal assembly；All side edges of the fixed scroll have outer ring
Protrusion forms middle pressure chamber between the outer ring protrusion and the seal assembly；
The upper sealing ring and lower sealing are located between the inner ring protrusion and outer ring protrusion, and the upper sealing ring stacks
In on the lower sealing ring；
The inside edge of the upper sealing ring has the wedge-shaped thin slice extended towards center, and the wedge shape thin slice is in the height
It is pressed in the noise reduction under the pressure effect of pressure chamber to cover, the lower sealing ring, will be described under the pressure effect of medium pressure chamber
Upper sealing ring is pressed in the noise reduction and covers.
Preferably, the wedge-shaped thin slice and the upper sealing ring are integrally formed.
Preferably, the gap being connected with the high pressure chest is formed between the wedge-shaped thin slice and the inner ring protrusion.
Preferably, pass through one of weld, be bonded, be spirally connected, be clamped between the upper sealing ring and lower sealing ring and be connected
It connects.
Preferably, the pressure limit in the high pressure chest is 1Mpa~5Mpa.
Compared with prior art, the utility model has the beneficial effects that the utility model passes through in the inside of upper sealing ring
Edge is arranged the wedge-shaped thin slice that extends towards center, the resealing between formation and noise reduction lid, the lower sealing ring together with
Fixed scroll and noise reduction lid thereon has so been effectively ensured in two resealings between noise reduction lid together of upper sealing ring thereon
Between airtightness.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments recorded in the utility model, for those of ordinary skill in the art, is not making the creative labor
Under the premise of, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of internal structure of the screw compressor of the upper sealing ring equipped with wedge shape section of the utility model；
Fig. 2 is the enlarged diagram of oval part in Fig. 1；
Fig. 3 is the enlarged diagram of encircled portion in Fig. 2；
Wherein, the corresponding relationship of each structure and label are as follows: noise reduction lid 1, high pressure chest 11, middle pressure chamber 12, fixed scroll 2 are interior
Circle protrusion 21, outer ring protrusion 22, seal assembly 3, upper sealing ring 31, wedge-shaped thin slice 311, lower sealing ring 32, exterior seal ring 4 are interior
Sealing ring 5, main bearing seat 6, shell 7, top cover 71, bottom cover 72, motor stator 8, rotor 9, crankshaft 10, sliding bearing 101,
Lower bearing component 102.
Specific embodiment
The utility model is described in detail in embodiment shown in reference to the accompanying drawing, but it should be stated that, on
Embodiment is stated to be not limitation of the utility model, those of ordinary skill in the art according to these embodiments made by function
Energy, method or equivalent transformation or substitution in structure, belong within the protection scope of the utility model.
Embodiment one
As shown in Figure 1, the utility model provides a kind of screw compressor of upper sealing ring equipped with wedge shape section, packet
It includes: noise reduction lid 1, fixed scroll 2, seal assembly 3, main bearing seat 6, shell 7, motor stator 8, rotor 9, crankshaft 10.
The shell 7 is arranged up and down, and end opening is sealed by a top cover 71 thereon, and lower ending opening is by a bottom cover 72
It is sealed, is such that the space that the top cover 71, shell 7, bottom cover 72 surround forms a totally-enclosed environment.Further,
The noise reduction lid 1 is additionally provided between the top cover 71 and shell 7, be conducive to generate when abatement screw compressor work makes an uproar
Sound.
In addition, the lower section of the noise reduction lid 8 is additionally provided with the fixed scroll 2, the fixed scroll 2 and the noise reduction lid
Seal assembly 3 is additionally provided between 1.The main bearing seat 6, motor stator 8, rotor 9 form output shaft pair, the main shaft
Radial force and axial force can be carried by holding seat 6.The rotor 9 is set in the medium position of the crankshaft 10, the main shaft
Hold the top position that seat 6 is set in the crankshaft 10.
For the ease of the relative motion between the main bearing seat 6 and crankshaft 10, between the main bearing seat 6 and crankshaft 10
It is additionally provided with sliding bearing 101.
The output shaft pair is contained in the shell 7 together with the crankshaft 10, so secondary to output shaft and bent to realize
The protection of axis 5.The lower end of the crankshaft 10 extends to the bottom cover 72.In addition, the upper sealing ring equipped with wedge shape section
Screw compressor further includes lower bearing component 102, and the lower bearing component 102 is installed on the crankshaft 10 and extends to the bottom cover
72 one end.
As shown in Fig. 2, the noise reduction lid 1 is located at the top of the fixed scroll 2, the intermediate region of the fixed scroll 2
With inner ring protrusion 21, the inner ring protrusion 21, noise reduction lid 1 form high pressure chest 11 between seal assembly 3.Further, described
All side edges of fixed scroll 2 have outer ring protrusion 22, form middle pressure chamber between the outer ring protrusion 22 and the seal assembly 3
12。
The seal assembly 3 is used to guarantee the airtightness between fixed scroll 2 and noise reduction lid 1 thereon, the sealing group
Part 3 includes: upper sealing ring 31 and lower sealing ring 32.The upper sealing ring 31 and lower sealing ring 32 are annular, and the two is located at described
Between inner ring protrusion 21 and outer ring protrusion 22, and the upper sealing ring 31 is stacked on the lower sealing ring 32.Preferably, described
Upper sealing ring 31, lower sealing ring 32, fixed scroll 2 keep coaxial arrangement.Lead between the upper sealing ring 31 and lower sealing ring 32
It crosses one of to weld, be bonded, be spirally connected, be clamped and be connected.
As shown in figure 3, the inside edge of the upper sealing ring 31 has the wedge-shaped thin slice 311 extended towards center.It is preferred that
Ground, the wedge shape thin slice 311 are integrally formed with the upper sealing ring 31.
The wedge shape thin slice 311 is pressed on the noise reduction lid 1 under the pressure effect of the high pressure chest 11, so that wedge shape is thin
Piece 311 forms the first layer sealing structure between noise reduction lid 1.In order to guarantee that the wedge-shaped thin slice 311 can be fixedly pressed against
On the noise reduction lid 1, the pressure limit in the high pressure chest is 1Mpa~5Mpa, under pressure at this time, wedge-shaped thin slice 311
Since thickness is gradually thinned to center, certain plastic deformation can occur, and then formed well with the noise reduction lid 1
Fitting.In addition, in order to guarantee that gas pressure acts on the wedge-shaped thin slice 311, wedge-shaped thin slice 311 and the inner ring protrusion 21
Between form the gap that is connected with the high pressure chest 11.
Further, the lower sealing ring 32 presses the upper sealing ring 31 under the pressure effect of medium pressure chamber 12
On the noise reduction lid 1, thus the lower sealing ring 32 together with upper sealing ring 31 thereon together between noise reduction lid 1 second
Layer sealing structure, has so been effectively ensured the airtightness between fixed scroll 2 and noise reduction lid 1 thereon.
In addition, in order to improve the lower sealing ring 32 together with the leakproofness at 31 edge of upper sealing ring thereon, it is close under described
Exterior seal ring 4 is additionally provided between seal ring 32 and outer ring protrusion 22.It is also set up between the upper sealing ring 31 and inner ring protrusion 21
There is inner seal ring 5.At this point, the installation of inside and outside sealing ring for convenience, it is convex that the height of the inner ring protrusion 21 is greater than the outer ring
Play 22 height.
In conclusion the utility model is thin by the wedge shape extended in the setting of the inside edge of upper sealing ring towards center
Piece, formed and noise reduction lid between a resealing, the lower sealing ring together with upper sealing ring thereon together with noise reduction lid it
Between two resealings, the airtightness between fixed scroll and noise reduction lid thereon has so been effectively ensured.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solution in embodiment may also be suitably combined to form those skilled in the art can
With the other embodiments of understanding.
Claims (5)
1. a kind of screw compressor of the upper sealing ring equipped with wedge shape section comprising: noise reduction lid, fixed scroll, seal assembly,
The seal assembly includes: upper sealing ring and lower sealing ring；
The noise reduction lid is located at the top of the fixed scroll, and the intermediate region of the fixed scroll has inner ring protrusion, described
High pressure chest is formed between inner ring protrusion, noise reduction lid and seal assembly；All side edges of the fixed scroll have outer ring protrusion,
Middle pressure chamber is formed between the outer ring protrusion and the seal assembly；
The upper sealing ring and lower sealing ring are located between the inner ring protrusion and outer ring protrusion, and the upper sealing ring is stacked in
On the lower sealing ring；It is characterized by:
The inside edge of the upper sealing ring has the wedge-shaped thin slice extended towards center, and the wedge shape thin slice is in the high pressure chest
Pressure effect under be pressed in the noise reduction and cover, the lower sealing ring, will be described close under the pressure effect of medium pressure chamber
Seal ring is pressed in the noise reduction and covers.
2. a kind of screw compressor of upper sealing ring equipped with wedge shape section according to claim 1, which is characterized in that institute
It states wedge-shaped thin slice and the upper sealing ring is integrally formed.
3. a kind of screw compressor of upper sealing ring equipped with wedge shape section according to claim 1, which is characterized in that institute
It states and forms the gap being connected with the high pressure chest between wedge-shaped thin slice and the inner ring protrusion.
4. a kind of screw compressor of upper sealing ring equipped with wedge shape section according to claim 1, which is characterized in that institute
It states to pass through one of weld, be bonded, be spirally connected, be clamped between upper sealing ring and lower sealing ring and be connected.
5. a kind of screw compressor of upper sealing ring equipped with wedge shape section according to claim 1, which is characterized in that institute
Stating the pressure limit in high pressure chest is 1Mpa~5Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920272238.8U CN209586675U (en) | 2019-03-05 | 2019-03-05 | A kind of screw compressor of the upper sealing ring equipped with wedge shape section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920272238.8U CN209586675U (en) | 2019-03-05 | 2019-03-05 | A kind of screw compressor of the upper sealing ring equipped with wedge shape section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209586675U true CN209586675U (en) | 2019-11-05 |
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ID=68356377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920272238.8U Active CN209586675U (en) | 2019-03-05 | 2019-03-05 | A kind of screw compressor of the upper sealing ring equipped with wedge shape section |
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| Country | Link |
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| CN (1) | CN209586675U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215750A (en) * | 2021-11-24 | 2022-03-22 | 苏州为山之环境技术有限公司 | Axial sealing mechanism and scroll compressor comprising same |
-
2019
- 2019-03-05 CN CN201920272238.8U patent/CN209586675U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215750A (en) * | 2021-11-24 | 2022-03-22 | 苏州为山之环境技术有限公司 | Axial sealing mechanism and scroll compressor comprising same |
| CN114215750B (en) * | 2021-11-24 | 2024-01-23 | 苏州为山之环境技术有限公司 | Axial sealing mechanism and scroll compressor comprising same |
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