CN1796792A - Vortex compressor having frame fixed structure and method of fixing such frame - Google Patents
Vortex compressor having frame fixed structure and method of fixing such frame Download PDFInfo
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- CN1796792A CN1796792A CN 200410101199 CN200410101199A CN1796792A CN 1796792 A CN1796792 A CN 1796792A CN 200410101199 CN200410101199 CN 200410101199 CN 200410101199 A CN200410101199 A CN 200410101199A CN 1796792 A CN1796792 A CN 1796792A
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- connecting groove
- scroll compressor
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- curved section
- upper frame
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Abstract
A vortex compressor with frame fixing structure consists of top frame set on top of sealed container, fixing vortex disc set at top of top frame, turbulence vortex disc set between fixing vortex disc and top frame in turbulence way, connection channel formed on side surface of top frame, curve section with through hole formed on side surface of sealed container corresponding to connection channel, welding seams of through hole and sealed container as well as top frame.
Description
Technical field
The present invention relates to a kind of scroll compressor, particularly, the present invention relates to a kind of the have scroll compressor of frame fixed structure and the method for fixing such frame of this scroll compressor, this frame fixed structure can be easily and securely frame fixation to seal container.
Background technique
Usually, compressor is a kind of equipment that mechanical energy is converted to the compression fluid compression energy.Compressor is divided into reciprocal compressor, scroll compressor, centrifugal compressor and vane compressor.
Scroll compressor is similar with vane compressor to centrifugal compressor, utilizes rotating main body to realize suction, compression and discharge gas, and this utilizes the straight line motion of piston different with reciprocal compressor.
Fig. 1 is the sectional arrangement drawing that shows according to the scroll compressor of conventional art, and Fig. 2 is the amplification view of " A " part among Fig. 1.
As shown in the figure, upper frame 2 is fixed on the internal upper part of the seal container 1 that has holding space therein, and underframe 3 is fixed on the sealing container 1 interior bottom.
Comprise that stator 4 and the rotatable motor 6 that is connected to the rotor 5 of these stator 4 inboards are installed between this upper frame 2 and this underframe 3.The counterweight that is used to control rotor 5 unbalance rotations is installed in rotor 5 top and the bottom.
Rotating shaft 7 with these rotor 5 rotations is forced to be pressed among the axis hole 5a that vertically is formed on rotor 5 centers.Be connected to the supported hole 2a that rotating shaft 7 upper ends on this rotor 5 rotatably are inserted into upper frame 2, the lower end of rotating shaft 7 simultaneously rotatably is inserted into the supported hole 3a of underframe 2.
Compression unit 10 comprise the fixed eddy plate 8 that is fixed to this upper frame 2 and rotatably be connected between this fixed eddy plate 8 and this upper frame 2 around movable orbiting scroll 9, this compression unit 10 is installed in this upper frame 2 upper ends.The eccentric part 7a that off-centre is formed on these rotating shaft 7 upper ends is inserted in the joining hole 11a of sleeve part 11, and wherein this sleeve part 11 is formed on this lower end around movable orbiting scroll 9.
Oilier 13 is connected on the underpart of this rotating shaft 7, and this oilier 13 is used to aspirate the oil 12 that is contained in sealing container 1 bottom and via being formed on the friction part that oily passage 7b in this rotating shaft 7 is fed to this oil this compression unit 10.
Suction pipe 14 and discharge pipe 15 are installed in the side surface of sealing container 1 with height difference, and this suction pipe 14 is used to aspirate refrigerant gas, and discharge pipe 15 is used to discharge the refrigerant gas of compression.In addition, pressure diaphragm 16 is fixed to the top of this fixed eddy plate 8, this pressure diaphragm 16 is used for low voltage section 20 and high-voltage section 21 are separated, in low voltage section 20, existence is drawn into the refrigerant gas of sealing container 1 via this suction pipe 14, and in high-voltage section 21, the refrigerant gas that sucks at sealing container 1 compresses at this compression unit 10, and stops before via these discharge pipe 15 dischargings.
Safety check 19 is connected on these fixed eddy plate 8 upper surfaces, is used to stop the refrigerant gas via being formed on the discharge orifice 8a discharging on this fixed eddy plate 8 to reflux.
Unexplained reference number 8b represents the scrollwork of fixed eddy plate, and 8c represents refrigerant suction hole, and 9a represents this scrollwork around movable orbiting scroll, and 16a represents discharge orifice, and 30 expressions are rotated and stoped elements and P to represent pressing chamber.
In this scroll compressor, when power offers scroll compressor, thereby 5 rotations of the rotor of this motor 6 and this rotating shaft 7 are also rotated.According to this situation, be connected to also rotating on these rotating shaft 7 upper end portions around movable orbiting scroll 9.
Should around movable orbiting scroll 9 by eccentric distance from these rotating shaft 7 centers to the center of this eccentric part 7a as radius and moving should stop element 30 be prevented from rotation by rotating around movable orbiting scroll 9 simultaneously.
When this during around movable orbiting scroll 9 movings, this scrollwork 9a is by cooperating and moving with the scrollwork 8b of this fixed eddy plate 8.At this moment wait, refrigerant gas is introduced into the low voltage section 20 of sealing container 1 via suction pipe 14.Then, inhale hole 8c via this refrigerant that is formed on this fixed eddy plate 8, this refrigerant gas is introduced among the scrollwork 8b and this pressing chamber P between the scrollwork 9a of movable orbiting scroll 9 that is formed on this fixed eddy plate 8.When this around movable orbiting scroll 9 continuously during moving, the volume reducing of pressing chamber P, this refrigerant gas compression simultaneously.At this moment wait, this pressurized gas moves towards the central part of pressing chamber P, and outwards discharges via the discharge orifice 8a of this fixed eddy plate 8.
When carrying out squeeze operation, the oil 12 that is contained in bottom in the seal container 1 is sucked by the oilier 13 with rotating shaft 7 rotations.The oil 12 that is sucked offers compression unit 10 via this oil passage 7b.
As shown in Figure 2, under soldering pin 21 is inserted in state among the pin insertion groove 2b that is formed on upper frame 2 sides, the weld part W of the through hole 1a by passing seal container 1, this soldering pin 21 is welded on the seal container 1.
Yet, in traditional scroll compressor, because this upper frame 2 is not directly to be fixed on the seal container 1, but be fixed on the seal container 1, so the weld part of upper frame is weak by this soldering pin 21.According to this situation, because the vibration that forms when Driven Compressor, the weld part between this upper frame and sealing container disconnects each other easily.
Summary of the invention
Therefore, the purpose of this invention is to provide a kind of the have scroll compressor of frame fixed structure and the method for fixing such frame of this scroll compressor, be formed in the connecting groove on the frame facet by the inner circumferential surface that is formed on the seal container penetration hole being inserted into by plastic working, and carry out welding process, this fixed structure can be framework directly and be fixed firmly on the seal container, thereby and can stop because Driven Compressor produces and vibrate being separated from each other of connecting part between this framework and sealing container that causes.
For realizing these and other advantage of the present invention, according to purpose of the present invention concrete and that briefly describe here, provide a kind of scroll compressor with frame fixed structure, this structure comprises: the upper frame that is installed in the seal container internal upper part; Be fixed to the fixed eddy plate on this upper frame top; But and moving be installed between this fixed eddy plate and this upper frame around movable orbiting scroll, wherein connecting groove is formed on this upper frame side, curved section with penetration hole is formed on the seal container side corresponding with connecting groove, and weld part forms via penetration hole fixing seal container and upper frame.
A kind of method of fixing such frame of scroll compressor comprises that step is: form connecting groove on frame facet; On the seal container side corresponding, form penetration hole with connecting groove; By make the crooked curved section that forms of this penetration hole outer part towards the connecting groove inboard; And this framework is welded on the sealing container.
By below in conjunction with the accompanying drawing detailed description of the invention, other purpose aforementioned and of the present invention, feature, aspect and advantage will become more obvious.
Description of drawings
The accompanying drawing that comprises provides further to be understood the present invention, incorporates and form a specification part simultaneously into, and these accompanying drawings show embodiment and are used for illustrating principle of the present invention with specification.
In the accompanying drawings:
Fig. 1 shows the longitudinal sectional view according to the scroll compressor of conventional art;
Fig. 2 is the amplification view of " A " part among Fig. 1;
Fig. 3 is according to the longitudinal sectional view with scroll compressor of frame fixed structure of the present invention;
Fig. 4 is the amplification view of " B " part among Fig. 3; And
Fig. 5 A is the longitudinal sectional drawing of scroll compressor to 5C, is used to illustrate the method for fixing such frame according to scroll compressor of the present invention.
Embodiment
Below will be in detail with reference to the preferred embodiments of the present invention, wherein shown in the drawings preferred
Embodiment's example.
Hereinafter, the following description of drawings of reference is according to the scroll compressor with frame fixed structure of the present invention.
Fig. 3 shows the longitudinal sectional drawing that has the scroll compressor of frame fixed structure according to of the present invention, and Fig. 4 is the amplification view of " B " part among Fig. 3.
As shown in the figure, in the scroll compressor with frame fixed structure according to the present invention, upper frame 104 is fixed to the internal upper part of the seal container 103 that has holding space 101 therein, and underframe 105 is fixed to the interior bottom of seal container 103.
The counterweight BW that controls these rotor 107 unbalance rotations is installed in the upper and lower of this rotor 107.
Rotating shaft 109 with these rotor 107 rotations is forced to be pressed in the axis hole 109a that vertically is formed on rotor 107 centers.Rotating shaft 109 upper ends that are connected to this rotor 107 rotatably are inserted into the supported hole 104a of this upper frame 104, and the lower end of this rotating shaft 109 rotatably is inserted into the supported hole 105a of this underframe 105 simultaneously.
Oilier 103a is connected on the underpart of this rotating shaft 109, and this oilier 103a is used to aspirate the oil 102 that is contained in sealing container 103 bottoms and via being formed on the friction part that oily path 10 9c in this rotating shaft 109 is fed to oil this compression unit 112.
Connecting groove 121 is formed on the side of this upper frame 104, and the curved section 123 with penetration hole 122 is formed on seal container 103 sides corresponding with this connecting groove 121.In addition, weld part 124 is via this penetration hole 122 fixedly sealing container 103 and this upper frame 104.
This connecting groove 121 is divided into end 121a and entrance part 121b.This entrance part 121b has identical diameter, and the diameter of end 121a little by little reduces.
The internal surface 123a of this curved section 123 is side-prominent in this connecting groove 121, and is inboard recessed towards sealing container 103 based on the outer surface 123b of the curved section 123 of this penetration hole 122.
By plastic working, the part of this curved section 123 is towards these connecting groove 121 inside bend.Under this state, an end 124a of this weld part 124 is fixed to end 121a via this penetration hole 122, and this weld part 124 the other end 124b are fixed to this curved section 123, thereby upper frame 104 is fixed firmly on the sealing container 103.
In scroll compressor according to the present invention, when power offers scroll compressor, rotor 107 rotations of this motor 108, thus the rotating shaft of forcing to be inserted into this rotor 107 109 is rotated.According to this situation, be connected to also rotating on the eccentric part 109b that forms in this rotating shaft 109 upper end portions around movable orbiting scroll 111.Should around movable orbiting scroll 111 by eccentric distance from these rotating shaft 109 centers to this eccentric part 109b center as radius and moving should stop element 130 be prevented from rotation by rotating around movable orbiting scroll 111 simultaneously.
When this during around movable orbiting scroll 111 movings, this scrollwork 111a is the moving motion by cooperating with the scrollwork 110a of this fixed eddy plate 110.At this moment wait, gas is introduced into the low voltage section LP of seal container 103 via this refrigerant suction pipe 115.Then, inhale hole 110d via the refrigerant that is formed on this fixed eddy plate 110, this refrigerant gas is introduced in the scrollwork 110a and this pressing chamber P between the scrollwork 111a of movable orbiting scroll 111 that is formed on this fixed eddy plate 110.When this around movable orbiting scroll 111 continuously during moving, the volume reducing of pressing chamber P, refrigerant gas compression simultaneously.At this moment wait, this pressurized gas moves towards the central part of pressing chamber P, thereby and via the discharge orifice 110c discharging of this fixed eddy plate 110, be discharged into this high-voltage section HP then.
In scroll compressor of the present invention, under the curved section 123 of sealing container 103 inserted state in the connecting groove 121 that is formed at upper frame 104, this upper frame 104 more firmly was welded on the seal container 103.According to this situation, because the separation of the connecting part between this upper frame 104 and sealing container 103 that the vibration that produces when Driven Compressor causes is stoped effectively.The present invention not only is useful on the fixed structure of this upper frame 104, and is adapted on the fixed structure of this underframe 105.
Fig. 5 A is a longitudinal sectional drawing according to scroll compressor of the present invention to 5C, is used to illustrate method of fixing such frame.
Scroll compressor method of fixing such frame according to the present invention comprises: the first step (referring to Fig. 5 A) that forms connecting groove 121 in these upper frame 104 sides; On seal container 103 sides corresponding, form second step (referring to Fig. 5 A) of penetration hole 122 with this connecting groove 121; By making these penetration hole 122 peripheries form the third step (referring to Fig. 5 B) of curved section 123 towards these connecting groove 121 inside bend; And the 4th step (referring to Fig. 5 C) that this upper frame 104 is welded to sealing container 103.
At first step, can certain form at least one connecting groove 121 at interval in the side of this upper frame 104.At third step, preferably, form curved section 123 by utilizing plastic working.
As mentioned above, in scroll compressor according to the present invention, the penetration hole inner circumferential surface that forms on seal container inserts in the connecting groove that is formed on this frame facet by plastic working, carries out welding process then.According to this situation, this framework directly and be fixed firmly on the seal container, Driven Compressor produces and vibrates being separated from each other of causing thereby the connecting part between framework and seal container is prevented from.
Because the present invention can have some forms when not breaking away from its spirit or necessary characteristic, therefore it is to be further understood that, unless otherwise mentioned, the foregoing description can't help above to describe any details restriction, but should think briefly that in the spirit and scope that the accessory claim book limits the equivalency range that therefore belongs to the interior all changes of claims scope and modification or this scope is included by additional claims.
Claims (15)
1. scroll compressor with frame fixed structure comprises:
Be installed in the upper frame of seal container internal upper part;
Be fixed to the fixed eddy plate on this upper frame top; And
But be installed in to moving between this fixed eddy plate and this upper frame around movable orbiting scroll, wherein connecting groove is formed on this upper frame side, curved section with penetration hole is formed on the seal container side corresponding with connecting groove, and weld part is via this penetration hole fixing seal container and upper frame.
2. scroll compressor as claimed in claim 1, wherein this connecting groove is divided into entrance part and end.
3. scroll compressor as claimed in claim 1 wherein forms at least one connecting groove.
4. scroll compressor as claimed in claim 3, wherein this connecting groove is formed with same interval.
5. scroll compressor as claimed in claim 1, wherein the part of this curved section is towards this connecting groove inside bend.
6. scroll compressor as claimed in claim 5, wherein the internal surface of this curved section is side-prominent in this connecting groove, and the outer surface of this curved section is inboard recessed towards seal container based on this penetration hole.
7. scroll compressor with frame fixed structure, wherein connecting groove is formed on the side of upper frame, curved section with penetration hole is formed on the seal container side corresponding with this connecting groove, and weld part is via this penetration hole fixedly sealing container and this upper frame.
8. scroll compressor as claimed in claim 7, wherein this connecting groove is divided into entrance part and end.
9. scroll compressor as claimed in claim 7 wherein forms at least one connecting groove.
10. scroll compressor as claimed in claim 9, wherein this connecting groove is formed with same interval.
11. scroll compressor as claimed in claim 7, wherein the part of this curved section is towards this connecting groove inside bend.
12. scroll compressor as claimed in claim 7, wherein the internal surface of this curved section is side-prominent in this connecting groove, and the outer surface of this curved section is inboard recessed towards seal container based on this penetration hole.
13. the method for fixing such frame of a scroll compressor comprises the steps:
On frame facet, form connecting groove;
On the seal container side corresponding, form penetration hole with connecting groove;
By make the crooked curved section that forms of this penetration hole outer part towards the connecting groove inboard; And
This framework is welded on the sealing container.
14. as the method for claim 13, wherein at first step, this connecting groove is formed on the side at certain intervals.
15. as the method for claim 13, wherein at third step, this curved section utilizes plastic working to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410101199 CN1796792A (en) | 2004-12-20 | 2004-12-20 | Vortex compressor having frame fixed structure and method of fixing such frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410101199 CN1796792A (en) | 2004-12-20 | 2004-12-20 | Vortex compressor having frame fixed structure and method of fixing such frame |
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| Publication Number | Publication Date |
|---|---|
| CN1796792A true CN1796792A (en) | 2006-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410101199 Pending CN1796792A (en) | 2004-12-20 | 2004-12-20 | Vortex compressor having frame fixed structure and method of fixing such frame |
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| Country | Link |
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| CN (1) | CN1796792A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101598122B (en) * | 2009-07-10 | 2013-08-14 | 北京航空航天大学 | Metal housing with metal plate welded therein and welding method thereof |
| CN105960533A (en) * | 2014-01-22 | 2016-09-21 | 江森自控日立空调技术（香港）有限公司 | Scroll compressor |
-
2004
- 2004-12-20 CN CN 200410101199 patent/CN1796792A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101598122B (en) * | 2009-07-10 | 2013-08-14 | 北京航空航天大学 | Metal housing with metal plate welded therein and welding method thereof |
| CN105960533A (en) * | 2014-01-22 | 2016-09-21 | 江森自控日立空调技术（香港）有限公司 | Scroll compressor |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |