CN2761877Y - Axial sealing structure of scroll type compressor - Google Patents
Axial sealing structure of scroll type compressor Download PDFInfo
- Publication number
- CN2761877Y CN2761877Y CN 200420112362 CN200420112362U CN2761877Y CN 2761877 Y CN2761877 Y CN 2761877Y CN 200420112362 CN200420112362 CN 200420112362 CN 200420112362 U CN200420112362 U CN 200420112362U CN 2761877 Y CN2761877 Y CN 2761877Y
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- CN
- China
- Prior art keywords
- buoyant member
- scrollwork
- scroll compressor
- seal structure
- divider
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Abstract
The utility model relates to an axial sealing structure of a scroll type compressor, which comprises a shell, a scroll assembly and a floating part, wherein the shell comprises a first shell and a second shell. An accommodating chamber is formed in the first shell forms, and a separator is arranged in the accommodating chamber. Additionally, the scroll assembly is composed of a fixed scroll element and a movable scroll element, a compression chamber is formed between the two scroll elements, the fixed scroll element is arranged in the first shell and the back surface of the fixed scroll element is provided with a convex part which is provided with a venting hole communicated with the compression chamber. The floating part is arranged between the separator and the fixed scroll element and is provided with a communicating hole and a concave part, the communicating hole is correspondingly arranged to the venting hole of the fixed scroll element, the concave part is correspondingly matched with the convex part and a seal assembly is arranged between the concave part and the convex part to form a back pressure chamber. Thereby, the assembly program can be simplified, the assembling easy degree is increased, the product quality is raised and the cost is reduced.
Description
Technical field
The utility model provides a kind of scroll compressor axial seal structure, relates in particular to a kind of easness of simplifying the assembly program of scroll compressor and increasing assembling, improves product quality and reduces assembly cost scroll compressor axial seal structure.
Background technique
Scroll compressor mainly is made up of the scroll member of two vortex filament types, and one of them scroll member maintains static, and is called quiet scrollwork (Fixed Scroll), and another scroll member is then made revolution motion corresponding to quiet scrollwork, is referred to as moving scrollwork (Orbiting Scroll).The vortex filament blade of two scroll members is meshing with each other, be used for impelling working fluid to enter pressing chamber, through the continuous rotation of moving scrollwork, working fluid compressed promotion again by its suction port, vent from quiet scrollwork spues again, thus the compression stroke of the fluid of finishing the work.Pressure increases because this working fluid volume in compression stroke reduces, so between two scroll members, produce axial atmospheric pressure, radial gas pressure power and tangential atmospheric pressure, wherein said axial atmospheric pressure can make two scroll members separate vertically, and radial gas pressure power can produce tilting moment with tangential atmospheric pressure.In addition, the pressure difference between described pressing chamber will make working fluid leak from producing between the end face of two scrollworks or blade side, thereby reduces the volumetric efficiency of compressor.In addition, when running into abnormal pressure (contracting) or having foreign matter to enter pressing chamber, will make scroll vane produce the situation of distortion or scratch wall as hydraulic pressure; In addition, another reason that influences working life of compressor and sealing effect is respectively to form the assembly structure of inter-module, so how to improve the volumetric efficiency of compressor, the damage and the assembly structure of minimizing scroll member, become the important topic that those skilled in the art study.
Known scroll compressor axial seal structure, as U. S. Patent notification number Re.35216, it mainly is provided with a circular groove cave (Cavity) at the quiet scrollwork back side, in described groove cave, be provided with an annular buoyant member, this buoyant member has two lip sheet V-shaped rings at least, and each seal ring is connected to respectively on the inside and outside metope periphery in groove cave, utilizes described scrollwork assembly guiding working fluid and produces back pressure, quiet scrollwork is abutted against on the moving scrollwork, reach the effect of axial seal.
Yet, still there is following defective in known scroll compressor axial seal structure: because described buoyant member is packed into downwards during the groove cave of quiet scrollwork, be located at the inside and outside seal ring end of buoyant member with making, follow packing into of buoyant member and upwards dig, thereby make the seal ring that is connected to groove cave exterior wall, lose its blocking effect because of oppositely being provided with.In view of the defective that exists in the above-mentioned prior art, speed and the easy dress property of those skilled in the art for improving assembling, adapt to field-installed requirement, additionally be provided with special tool(s), earlier in the conical orifice with described buoyant member press-in jig, after the end of seal ring being produced dwindle distortion, again buoyant member is inserted in the groove cave of quiet scrollwork, after thereby the terminal tight subsides that make seal ring are against the groove cave metope of quiet scrollwork, again instrument is extracted out from the groove cave, because the structure shape of quiet scrollwork and buoyant member causes the suitable very complicated of assembling process, when significantly increasing the rigger, make manufacture cost can't effectively obtain to improve.
Given this, the design artificially improves and solves the defective that exists in the above-mentioned prior art, through concentrating on studies and cooperating the utilization of scientific principle, proposes a kind of reasonable in design and effectively improve the utility model of above-mentioned defective finally.
Content of the present utility model
A purpose of the present utility model is to provide a kind of scroll compressor axial seal structure, it is black box to be forward be arranged on buoyant member and the quiet scrollwork, can simplify assembly program and increase the easness that assembles, significantly improve product quality and reduce assembly cost.
Another purpose of the present utility model is to provide a kind of scroll compressor axial seal structure, it is that buoyant member is arranged between the divider and the quiet scrollwork back side, and between quiet scrollwork and buoyant member, be formed with back pressure chamber, be used for promoting quiet scrollwork and moving scrollwork fits tightly, thereby improve the volumetric efficiency of described compressor.
A purpose more of the present utility model is to provide a kind of scroll compressor axial seal structure, it is the setting that utilizes buoyant member, when hydraulic pressure contracts or foreign matter when entering pressing chamber, quiet scrollwork can produce axially and make a concession, thereby reduce the damage probability of scrollwork assembly, and be provided with abrasion compensation automatically, thereby significantly improve the reliability of compressor at the end face of buoyant member.
To achieve these goals, the utility model provides a kind of scroll compressor axial seal structure, comprising:
One housing includes one first housing and one second housing, and described first enclosure interior is formed with a putting chamber, is provided with a divider in this putting chamber, and the fluid partitioning that is used for enclosure interior is a high and low pressure area;
One scrollwork assembly is located at the moving scrollwork of its below and is formed by a quiet scrollwork and, be formed with pressing chamber between two scroll members, and described quiet scrollwork is arranged in first housing, is provided with bump at its back side, and this bump offers the vent that communicates with pressing chamber; And
One buoyant member, be arranged between described divider and the quiet scrollwork, described buoyant member is provided with intercommunicating pore and reentrant part, the corresponding setting of vent of described intercommunicating pore and quiet scrollwork, reentrant part is then corresponding with the bump of quiet scrollwork to be cooperated, and between quiet scrollwork and buoyant member, be provided with black box and be formed with back pressure chamber, thereby realize above-mentioned purpose.
Scroll compressor axial seal structure of the present utility model can be simplified assembly program and increase the easness of assembling, significantly improves product quality and reduces assembly cost; Improve the volumetric efficiency of compressor; Reduce the frictional loss between two scrollworks, significantly improved the working life of compressor.
Brief description of drawings
Fig. 1 is the utility model first embodiment's a assembled sectional view;
Fig. 2 is the partial enlarged drawing of A part among Fig. 1;
Fig. 3 is the utility model first embodiment's user mode figure;
Fig. 4 is the utility model second embodiment's a assembled sectional view.
In the accompanying drawing, the list of parts of each label representative is as follows:
The 10-housing
The 11-first housing 12-second housing
13-putting chamber 14-divider
141-opening 15-zone of high pressure
16-low pressure area 17-relief opening
The 18-transmission shaft
20-scrollwork assembly
The quiet scrollwork 211-of 21-, the 221-blade
22-moves scrollwork 23-bump
24-vent 25-through hole
26-pressing chamber 27-axis hole
The 30-buoyant member
The 31-first annulus 32-second annulus
33-reentrant part 34-intercommunicating pore
35-cylindrical shell 36-abutting part
37-black box 38-back pressure chamber
Embodiment
In order to make those skilled in the art further understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, accompanying drawing only provide with reference to and usefulness is described, be not to be used for limiting the utility model.
Fig. 1 and Fig. 2 are respectively the partial enlarged drawing of A part among the utility model first embodiment's assembled sectional view and Fig. 1.As shown in Figures 1 and 2, the utility model provides a kind of scroll compressor axial seal structure, includes a housing 10, a scrollwork assembly 20 and a buoyant member 30, wherein:
Buoyant member 30 is arranged between the quiet scrollwork 21 of the divider 14 of first housing 11 and scrollwork assembly 20, its bottom is made of first annulus 31 and second annulus 32, be formed with a reentrant part 33 at the interval of described annulus, reentrant part 33 can be provided with for the bump 23 of quiet scrollwork 21.Central authorities at first annulus 31 offer intercommunicating pore 34, intercommunicating pore 34 respectively with the opening 141 corresponding settings of the vent 24 and the divider 14 of bump 23.Extend at the end face of first annulus 31 of buoyant member 30 and to be protruding with a cylindrical shell 35, cylindrical shell 35 can insert in the opening 141 of divider 14, and matches with the inner edge of opening 141.Exterior circumferential at cylindrical shell 35 is provided with an annular abutting part 36, and abutting part 36 can fit with the bottom surface of divider 14.
Be provided with two black boies 37 at the bump 23 of quiet scrollwork 21 and 33 of the reentrant part of buoyant member 30, black box 37 can be the black box of lip sheet (Lip Seal), O shape ring (O-Ring), U-shaped seal ring (section is the U font), mechanical shaft seal (Meachanical Seal) or other form, and present embodiment is the lip sheet.Wherein an end of a black box 37 is fixed on the end face of second annulus 32, and is locked with assemblies such as retaining ring and screws, and the other end then is connected to the outer peripheral edge of the bump 23 of quiet scrollwork 21; On one end of another black box 37 is fixed in around the vent 24 of bump 23, and be locked with assemblies such as retaining ring and screws, the other end then is connected to the outer peripheral edge of first annulus 31.So back pressure chamber 38 can utilize the through hole 25 of bump 23 to be communicated with pressing chamber 26 around being formed with a back pressure chamber 38 at reentrant part 33, bump 23 and 37 of black boies, and the working fluid of pressing in importing, thereby the form of pressing back pressure chamber in formed.
Earlier lip sheet shape black box 37 is individually fixed on the end face of second annulus 32 and vent 24 peripheries during combination, again buoyant member 30 is directly inserted from top to bottom and be connected with quiet scrollwork 21.Because being fixed in the end of the black box 37 of second annulus 32 and vent 24 peripheries all is provided with towards the inboard, make buoyant member 30 when mobile packing into, can push the end of black box 37 in the lump open, thereby produce corresponding making progress and downward distortion, this deformation direction just in time installing direction with black box 37 is identical, thus, can increase the easness of assembling and simplify assembly program, can also omit the design and the operation of known tool, thereby significantly improve product quality and reduce assembly cost.
Fig. 3 is the utility model first embodiment's user mode figure.As shown in Figure 3, combination by said modules, when moving scrollwork 22 is subjected to the driving of transmission shaft 17 and rotates, the operating on low voltage fluid sucks from the inflow port of second housing 12, in the pressing chamber 26 that the blade 221 of blade 211 and moving scrollwork 22 of scrollwork 21 in meditation of going forward side by side is constituted, revolution motion along with moving scrollwork 22, the outer rim that workflow is known from experience by scrollwork assembly 20 moves toward central position gradually, its volume reduces pressure gradually and then rises to middle pressure condition by low-pressure state, hydraulic fluid will enter from the through hole 25 of bump 23 back pressure chamber 38 in described, thereby promoting buoyant member 30 moves up, and make quiet scrollwork 21 produce downward moving, fit tightly with moving scrollwork 22, thereby reach sealing effect.
Fig. 4 is the utility model second embodiment's a assembled sectional view.As shown in Figure 4, be extended with a divider 14 in the putting chamber 13 of first housing 11, the divider 14 of present embodiment is a cylindrical column, described cylindrical column central authorities have a circular open 141, opening 141 is connected with the relief opening 17 of first housing 11, and corresponding cooperation of cylindrical shell 35 external profile diameters of its inner rim diameter and buoyant member 30, and make the abutting part 36 mutual corresponding applyings of bottom end face with the buoyant member 30 of cylindrical column.
Scroll compressor axial seal structure of the present utility model has the following advantages: utilize the utility model black box to be and forward be arranged on buoyant member and the quiet scrollwork, can simplify assembly program and increase the easness that assembles, and then significantly promote product quality and reduce assembly cost.In addition, buoyant member is located between the divider and the quiet scrollwork back side, and between quiet scrollwork and buoyant member, is formed back pressure chamber, promoting quiet scrollwork and moving scrollwork fits tightly, and then improve the volumetric efficiency of described compressor.In addition, the working fluid of pressing in the guiding enters back pressure chamber, force this working fluid to promote the back side of quiet scrollwork, make quiet scrollwork along axially moving down, to overcome on-stream axial atmospheric pressure and the tilting moment that imposes on quiet scrollwork of pressing chamber, and can reduce frictional loss between two scrollworks, make significantly improve the working life of compressor.
In sum, scroll compressor axial seal structure of the present utility model has practicability, novelty and creativeness, and structure of the present utility model also never sees like product and public use, more do not publish before the application on any publication, meet the requirement of utility application fully.
The above only is a preferred embodiment of the present utility model, be not so promptly limit claim of the present utility model, the equivalent structure transformation that every utilization the utility model specification and accompanying drawing content are done, or directly or indirectly be used in other relevant technical field, all in like manner be included in the claim of the present utility model.
Claims (10)
1. a scroll compressor axial seal structure is characterized in that, comprising:
One housing includes one first housing and one second housing, and described first enclosure interior is formed with a putting chamber, is provided with a divider in described putting chamber;
One scrollwork assembly is made up of a quiet scrollwork and a moving scrollwork, is formed with pressing chamber between described two scroll members, and described quiet scrollwork is arranged in described first housing, is provided with bump at its back side, and described bump offers the vent that communicates with pressing chamber; And
One buoyant member, be arranged between described divider and the quiet scrollwork, described buoyant member offers intercommunicating pore and reentrant part, the corresponding setting of vent of described intercommunicating pore and quiet scrollwork bump, cooperate and the female portion is corresponding with the bump of quiet scrollwork, and between described quiet scrollwork and buoyant member, be provided with black box and be formed with back pressure chamber.
2. scroll compressor axial seal structure according to claim 1, the divider that it is characterized in that described putting chamber is a flat board, described flat board is provided with an opening, the corresponding setting of intercommunicating pore of described opening and buoyant member.
3. scroll compressor axial seal structure according to claim 1, the divider that it is characterized in that described putting chamber is a flat board, described flat board is provided with an opening, and the intercommunicating pore end face of buoyant member is extended with a cylindrical shell, described cylindrical shell is corresponding with opening to be cooperated.
4. as scroll compressor axial seal structure as described in claim 2 or 3, it is characterized in that the intercommunicating pore outer peripheral edge of described buoyant member is provided with abutting part, the bottom surface of described abutting part and divider fits.
5. scroll compressor axial seal structure according to claim 1, the divider that it is characterized in that described putting chamber is from the extended cylindrical column of first housing, and described cylindrical column has an opening, the corresponding setting of intercommunicating pore of described opening and buoyant member.
6. scroll compressor axial seal structure according to claim 1, the divider that it is characterized in that described putting chamber is from the extended cylindrical column of first housing, described cylindrical column has an opening, and the intercommunicating pore end face of buoyant member is extended with a cylindrical shell, and described cylindrical shell is corresponding with opening to be cooperated.
7. as scroll compressor axial seal structure as described in claim 5 or 6, it is characterized in that the intercommunicating pore outer peripheral edge of described buoyant member is provided with abutting part, the end face of described abutting part and divider fits.
8. scroll compressor axial seal structure according to claim 1 is characterized in that formed back pressure chamber is to press back pressure chamber in one between described quiet scrollwork and the buoyant member.
9. scroll compressor axial seal structure according to claim 1, the inside and outside edge of reentrant part that it is characterized in that described buoyant member is formed with one first annulus and one second annulus respectively, the end face of described second annulus is fixed with a black box, and the other end of described black box is connected to the bump outer periphery of quiet scrollwork; And around the vent of quiet scrollwork, being fixed with another black box, the other end of described black box is connected to the outer periphery of first annulus.
10. scroll compressor axial seal structure according to claim 1 is characterized in that described black box is any of lip sheet, O shape ring, U-shaped seal ring or mechanical shaft seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420112362 CN2761877Y (en) | 2004-10-29 | 2004-10-29 | Axial sealing structure of scroll type compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420112362 CN2761877Y (en) | 2004-10-29 | 2004-10-29 | Axial sealing structure of scroll type compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2761877Y true CN2761877Y (en) | 2006-03-01 |
Family
ID=36095004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420112362 Expired - Fee Related CN2761877Y (en) | 2004-10-29 | 2004-10-29 | Axial sealing structure of scroll type compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2761877Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016344A (en) * | 2008-01-16 | 2013-04-03 | 艾默生环境优化技术有限公司 | Scroll machine |
| CN105570127A (en) * | 2016-02-16 | 2016-05-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioner with same |
-
2004
- 2004-10-29 CN CN 200420112362 patent/CN2761877Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016344A (en) * | 2008-01-16 | 2013-04-03 | 艾默生环境优化技术有限公司 | Scroll machine |
| CN103016344B (en) * | 2008-01-16 | 2015-08-12 | 艾默生环境优化技术有限公司 | Scroll machine |
| CN105570127A (en) * | 2016-02-16 | 2016-05-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioner with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: FUSHENG CO., LTD. Free format text: FORMER OWNER: QING-YU INTERNATIONAL CO., LTD. Effective date: 20090424 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090424 Address after: Postcode of Taiwan, china: Patentee after: Fusheng Co., Ltd. Address before: Postcode of Taiwan, china: Patentee before: Qingyu International Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060301 Termination date: 20101029 |