CN106930946A - The body of pressure apparatus - Google Patents
The body of pressure apparatus Download PDFInfo
- Publication number
- CN106930946A CN106930946A CN201511027923.7A CN201511027923A CN106930946A CN 106930946 A CN106930946 A CN 106930946A CN 201511027923 A CN201511027923 A CN 201511027923A CN 106930946 A CN106930946 A CN 106930946A
- Authority
- CN
- China
- Prior art keywords
- face
- housing
- lug
- threaded connector
- screw
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
The present invention provides a kind of body of pressure apparatus, and it is not likely to produce leakage.First housing has first end face；Second housing has second end face, and the first end face and the second end face are oppositely arranged；Each threaded connector connected in several threaded connectors of first housing and second housing passes through the first end face, the second end face；Second housing also has the 3rd end face in a ring, 3rd end face is located at the radially inner side of the second end face and is higher by the second end face and protruded towards the first end face, sealing ring is set between 3rd end face and the first end face, the threaded connector applies to make the power that the first end face and the second end face are mutually drawn close, so that the 3rd end face presses in the first end face.
Description
Technical field
The present invention relates to the body of pressure apparatus, more particularly to compressor body.
Background technology
It is fixed using screw between two housings of compressor, the middle section of the neutral gear between two screws
Be also easy to produce leakage.
The content of the invention
It is an object of the invention to provide a kind of body of pressure apparatus, it is not likely to produce leakage.
The present invention provides the body of pressure apparatus, wherein, the first housing has first end face；Second housing has the
Biend, the first end face and the second end face are oppositely arranged；Connect first housing and the second shell
Each threaded connector in several threaded connectors of body passes through the first end face, the second end face；Described
Two housings also have the 3rd end face in a ring, and the 3rd end face is located at the radially inner side and height of the second end face
Go out the second end face to be protruded towards the first end face, set close between the 3rd end face and the first end face
Seal, the threaded connector applies to make the power that the first end face and the second end face are mutually drawn close, so that institute
The 3rd end face is stated to press in the first end face.
In preferred embodiment, the sealing ring is installed on the 3rd end face or the first end face.
In preferred embodiment, the threaded connector is screw, and it is threadedly coupled with first housing.
In preferred embodiment, waterproof washer is provided between the first end face and the second end face.
In preferred embodiment, the first end face of first housing is the end face of first lug, described second
The second end face of housing is the end face of the second lug.
In preferred embodiment, the power that the threaded connector applies makes the second lug axial deformation, to be close to
The first lug.
In preferred embodiment, first housing is the fixed scroll of scroll compressor, and second housing is institute
State the front end housing of scroll compressor.
Because the region of threaded connector fastening is located at the 3rd end face outside, and the 3rd end face is actual being pressed into contact with
Face, therefore stress concentrated area will not be produced, the minimum distance of threaded connector and the 3rd end face is poor with maximum distance
Value is little, therefore the extruding force distributed equalization between the 3rd end face, first end face, therefore in two threaded connectors
Between the middle section of neutral gear will not also produce leakage.
Secondly, the 3rd end face is higher than second end face, therefore when the 3rd end face is contacted with first end face, first end face
Still there is gap with second end face, in a preferred embodiment, further tighten screw so that gap shrinks, when tightening
When power is equal with prior art, the adhesive force according to the end face of leverage effects the 3rd is more than prior art.
Brief description of the drawings
The above and other features of the present invention, property and advantage will pass through with reference to the accompanying drawings and examples
Describe and become readily apparent from, wherein：
Fig. 1 is the front view of body in one embodiment of the invention；
Fig. 2 is the partial enlarged view in collar region in Fig. 1；
Fig. 3 is the schematic diagram after part bolt shown in Fig. 2 applies Tightening moment；
Fig. 4 is the end view of front end housing in Fig. 1；
Fig. 5 is the schematic diagram of the change case of embodiment illustrated in fig. 2；
Fig. 6 is the schematic diagram of another change case of embodiment illustrated in fig. 2；
Fig. 7 is the schematic diagram of the comparative example of embodiment illustrated in fig. 2；
Fig. 8 is the end view of the front end housing in Fig. 7；
Fig. 9 is the cloud atlas of the force analysis of a housing of compressor.
Specific embodiment
With reference to specific embodiments and the drawings, the invention will be further described, elaborates in the following description more
Many details are in order to fully understand the present invention, but the present invention obviously can be with various other described different from this
Mode is implemented, and those skilled in the art can be in the case of without prejudice to intension of the present invention according to practical situations
Make similar popularization, deduce, therefore should not be limited the scope of the invention with the content of this specific embodiment.
As shown in Figure 7, Figure 8, the connecting end surface 43,46 between two housings of compressor is plane, both
It is fixed using screw.Screw is formed about stress concentrated area as shown in Figure 9, end face thrust foot
Enough big, the direction that the power is far gone towards screw is gradually reduced, and is reduced to substantially to the middle section between two screws
Impaction state is not as near screw between 0, thus end face, it is possible to create gap.Especially when between screw
When span is larger, such as one external diameter is the compressor of 150mm, is around provided only with 4 screws, then two
Neutral gear between individual screw can reach 110mm, and the middle section D1's of neutral gear is also easy to produce leakage.
Embodiment described later can solve the problems, such as foregoing leakages.It should be noted that follow-up its accompanying drawing is only as showing
Example, it is drawn according to the condition of equal proportion, and should not be in this, as to actual requirement of the present invention
Protection domain is construed as limiting.
As shown in figure 1, follow-up embodiment is with close between the front end housing 51 and fixed scroll 52 of scroll compressor
As a example by seal structure, used as the second housing, fixed scroll is used as the first housing for front end housing.Wherein fixed scroll 52 was both constituted
Compression assembly, constitutes housing again, and periphery and the front end housing 51 of fixed scroll 52 are tightly connected cooperation, to prevent system
Refrigerant gas are leaked.It is provided with the cavity that the front end housing 51 and fixed scroll 52 of scroll compressor are enclosed
Compression mechanism, produces certain air pressure, and in motion process high vibration, under bad working environments, thrust is not enough
Part turn into breach, cause leakage.Therefore all there is foot in the whole circumference of only current cylinder cap and fixed scroll
Enough thrusts, just can guarantee that compressor long-term work keeps sealing.
As shown in Fig. 2 Fig. 2 is the partial enlarged drawing of Fig. 1, fixed scroll 52 has first end face 53, first
End face 53 extends radially out 4 mounting lugs 54, and each lug 54 offers screw hole 55.Front end housing
51 have the second end face 56 and corresponding lug 57 and screw hole 58 relative with first end face 53, two
Screw hole 55,58 is using screw 59 through front end housing 51 is connected with fixed scroll 52.
There is front end housing 51 inner side of second end face 56 to protrude the 3rd end face 60 towards the direction of fixed scroll 52, above open up
O-ring seal 62 is set in one ring annular groove 61, groove 61, its material is ethylene propylene diene rubber (EPDM).
As shown in figure 3, when screw combines front end housing 51 with fixed scroll 52, the 3rd end face 60 and first end face
53 contacts, O-ring seal 62 is extruded and deformed by first end face 53.Screw 59 is tightened, until correspondence two
Lug 57,54 generation axial deformations close to each other, the now whole circumference of the 3rd end face 60 and first end face 53
It is upper that there is uniform adhesive force.
As shown in figure 4, when lug 57 occurs axial deformation, screw 59 is exerted by the power F on lug 57
It is equal with prior art, the material of lug 57 spread all over the whole periphery of the 3rd end face 60, the deformation of lug 57 and
The tractive force of generation is also evenly distributed on the 3rd end face 60 so that the 3rd end face 60 between screw and screw
Neutral gear region D2 first end face produce enough adhesive forces.
And as shown in Figure 7, Figure 8 in comparative example, two plane contacts, lug does not produce material to deform, and tightens
Power cannot fully be delivered to each position of whole circumference, and screwing force is only focusing only on the vicinity of screw.
As shown in figure 5, in a change case, annular groove 63 can be opened up in first end face 53, the groove
63 is relative with the 3rd end face 56, for placing O-ring seal 62.
As shown in fig. 6, in yet other variations example, in order to prevent first end face 53 and second end face 56 it
Between water inlet and screw corroded, rubber washer 64 can be clamped between two end faces.
Although the present invention is disclosed as above with preferred embodiment, it is not for limiting the present invention, any this area
Technical staff without departing from the spirit and scope of the present invention, can make possible variation and modification.Therefore,
Every content without departing from technical solution of the present invention, according to appointing that technical spirit of the invention is made to above example
What modification, equivalent variations and modification, each falls within the protection domain that the claims in the present invention are defined.
Claims (7)
1. the body of pressure apparatus, including：
First housing, with first end face；
Second housing, with second end face, the first end face and the second end face are oppositely arranged；And
Several threaded connectors of first housing and second housing are connected, the threaded connector passes through institute
State first end face, the second end face；
Characterized in that,
Second housing also has the 3rd end face in a ring, and the 3rd end face is located at the footpath of the second end face
To inner side and it is higher by the second end face and is protruded towards the first end face, the 3rd end face and the first end face
Between sealing ring is set, the threaded connector applies to make what the first end face and the second end face were mutually drawn close
Power, so that the 3rd end face presses in the first end face.
2. body as claimed in claim 1, it is characterised in that the sealing ring is installed on the 3rd end face
Or the first end face.
3. body as claimed in claim 1, it is characterised in that the threaded connector is screw, itself and institute
State the threaded connection of the first housing.
4. body as claimed in claim 1, it is characterised in that the first end face and the second end face it
Between be provided with waterproof washer.
5. body as claimed in claim 1, it is characterised in that the first end face of first housing is
The end face of first lug, the second end face of second housing is the end face of the second lug.
6. body as claimed in claim 5, it is characterised in that the power that the threaded connector applies makes described
Second lug axial deformation, to be close to the first lug.
7. body as claimed in claim 1, it is characterised in that first housing is scroll compressor
Fixed scroll, second housing is the front end housing of the scroll compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511027923.7A CN106930946A (en) | 2015-12-31 | 2015-12-31 | The body of pressure apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511027923.7A CN106930946A (en) | 2015-12-31 | 2015-12-31 | The body of pressure apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106930946A true CN106930946A (en) | 2017-07-07 |
Family
ID=59442008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511027923.7A Pending CN106930946A (en) | 2015-12-31 | 2015-12-31 | The body of pressure apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106930946A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1085027A (en) * | 1963-12-06 | 1967-09-27 | Nordstjernan Rederi Ab | Flange joint |
| DE2815101A1 (en) * | 1978-04-07 | 1979-10-18 | Kraftwerk Union Ag | BURST PROTECTION DEVICE FOR PRESSURE VESSELS IN NUCLEAR REACTOR PLANTS, IN PARTICULAR FOR REACTOR PRESSURE VESSELS |
| JPH09242873A (en) * | 1996-03-11 | 1997-09-16 | Mitsubishi Heavy Ind Ltd | Cover attaching structure |
| CN1831338A (en) * | 2005-03-08 | 2006-09-13 | 科普兰公司 | Dual horizontal scroll machine |
| CN2828510Y (en) * | 2005-10-13 | 2006-10-18 | 南京全章液力科技有限公司 | High-pressure non-leakage flange |
| CN102588274A (en) * | 2011-01-14 | 2012-07-18 | 日立空调·家用电器株式会社 | Scroll compressor |
| CN103122855A (en) * | 2013-01-31 | 2013-05-29 | 大连三洋压缩机有限公司 | Scroll refrigerating compressor |
-
2015
- 2015-12-31 CN CN201511027923.7A patent/CN106930946A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1085027A (en) * | 1963-12-06 | 1967-09-27 | Nordstjernan Rederi Ab | Flange joint |
| DE2815101A1 (en) * | 1978-04-07 | 1979-10-18 | Kraftwerk Union Ag | BURST PROTECTION DEVICE FOR PRESSURE VESSELS IN NUCLEAR REACTOR PLANTS, IN PARTICULAR FOR REACTOR PRESSURE VESSELS |
| JPH09242873A (en) * | 1996-03-11 | 1997-09-16 | Mitsubishi Heavy Ind Ltd | Cover attaching structure |
| CN1831338A (en) * | 2005-03-08 | 2006-09-13 | 科普兰公司 | Dual horizontal scroll machine |
| CN2828510Y (en) * | 2005-10-13 | 2006-10-18 | 南京全章液力科技有限公司 | High-pressure non-leakage flange |
| CN102588274A (en) * | 2011-01-14 | 2012-07-18 | 日立空调·家用电器株式会社 | Scroll compressor |
| CN103122855A (en) * | 2013-01-31 | 2013-05-29 | 大连三洋压缩机有限公司 | Scroll refrigerating compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170707 |
|
| RJ01 | Rejection of invention patent application after publication |