CN1223760C - Head cover engaging structure for hermetic compressor - Google Patents
Head cover engaging structure for hermetic compressor Download PDFInfo
- Publication number
- CN1223760C CN1223760C CNB971203121A CN97120312A CN1223760C CN 1223760 C CN1223760 C CN 1223760C CN B971203121 A CNB971203121 A CN B971203121A CN 97120312 A CN97120312 A CN 97120312A CN 1223760 C CN1223760 C CN 1223760C
- Authority
- CN
- China
- Prior art keywords
- head cover
- screw
- engaging structure
- cover engaging
- valve
- 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.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/125—Cylinder heads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
- F04B39/1046—Combination of in- and outlet valve
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
Head cover engaging structure for hermetic compressor can connect the head cover more accurately and stably. The structure includes a plurality of connecting bolt which screwed relative to the perpendicular center line of head cover along different rotation direction.
Description
Technical field
The present invention relates to be used for the head cover engaging structure of closed compressor, especially a kind of through the improved head cover engaging structure that is used for closed compressor, by means of this structure, can more accurately connect valve gap more firmly.
Background technique
As shown in Figure 1, the existing head cover engaging structure that is used for closed compressor, piston be along with the rotation of rotatingshaft, to-and-fro motion in cylinder 1.That reciprocating action by piston repeats to finish is air-breathing, compression and exhaust cycle.In the closed compressor of this structure, when on cylinder, valve and valve end being installed, Aspirating valves 2, valve end 3 and outlet valve 4 are installed on the valve gap 5 in turn, with attachment screw they are coupled together subsequently.
As shown in Figure 2, in the closed compressor of this structure, be screwed to connect screw 6 along the dextrorotation direction, that is along clockwise direction, or in the counterclockwise direction.Therefore, adopt these attachment screws 6 to connect valve gaps 5 and can make valve gap 5 slight inclination, thereby cause refrigerant to leak, therefore increase noise.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of head cover engaging structure that is used for closed compressor, the problem that it can overcome in the prior art to be run into.
Another object of the present invention is to provide a kind of head cover engaging structure that is used for closed compressor, by means of it can be more accurate be connected valve gap more firmly.
Another object of the present invention is to provide a kind of head cover engaging structure that is used for closed compressor, it is by accurate installation outlet valve and Aspirating valves and can improve the reliability of compressor.
Another object of the present invention is to provide a kind of head cover engaging structure that is used for closed compressor that can reduce noise.
To achieve these goals, the invention provides a kind of head cover engaging structure that is used for closed compressor, it comprises many attachment screws, and they are screwed on along different rotation directions with respect to the vertical center line of valve gap.Described attachment screw comprises: the right side screw of screwing on along dextrorotation direction that is clockwise direction; With along left hand direction that is the left side screw of counterclockwise screwing on, wherein, right side attachment screw and left side attachment screw are in its position and quantitatively all be symmetrical.
Description of drawings
By below in conjunction with accompanying drawing, describe the preferred embodiments of the present invention in detail, other advantage of the present invention, purpose and feature will become clearer, but these embodiments and accompanying drawing only are to be used to illustrate the present invention rather than restriction the present invention, in the accompanying drawing:
Fig. 1 is the stereogram that is used for the head cover engaging structure of closed compressor of the prior art;
Fig. 2 is the front elevation of rotation direction of the attachment screw of the expression head cover engaging structure that is used for closed compressor of the prior art; And
Fig. 3 is the front elevation according to the rotation direction of the attachment screw of the head cover engaging structure that is used for closed compressor of the present invention.
Embodiment
The head cover engaging structure that is used for closed compressor of the present invention is described with reference to the accompanying drawings.
Fig. 3 represents to be used for the rotation direction of attachment screw of the head cover engaging structure of closed compressor, and Aspirating valves 2, valve end 3 and outlet valve 4 are installed on the cylinder 1, then, with many attachment screws valve gap 11 are connected on the structure of such formation.At this moment, in the present invention, when being screwed to connect screw, two upper and lower right side attachment screws 12 (its position is based on the vertical center line of valve gap 11) are screwed on along the dextrorotation direction, that is, screw on along clockwise direction.Two upper and lower left side attachment screws 13 are screwed on along left hand direction, that is, screw in the counterclockwise direction, thereby when connecting valve gap 11, just may prevent the tilt phenomenon of valve gap 11 by the attachment screw of screwing on along different rotation directions.More particularly, two upper and lower right attachment screws 12 (its position is based on the vertical center line of valve gap 11) are screwed on along the dextrorotation direction, that is, screw on along clockwise direction.Two upper and lower left attachment screws 13 are screwed on along left hand direction, that is, screw in the counterclockwise direction.Therefore, right attachment screw 12 is applied in connection power to the right, and left attachment screw 13 is applied in connection power left, and like this, the power of dextrorotation and left-handed power are offset, thereby valve gap 11 can accurately be installed.
As mentioned above, at the valve gap mounting structure that is used for closed compressor of the present invention, after being placed on valve gap 11 on Aspirating valves, valve end and the outlet valve, when connecting valve gap 11, screw on, descend right side attachment screw 12 along dextrorotation direction that is clockwise direction with respect to the vertical center line of valve gap 11 with a plurality of attachment screws.And, screw on, descend left side attachment screw 13, so accurate connection valve gap 11 with respect to the vertical center line of valve gap 11 along left hand direction that is counter clockwise direction.Therefore, can be firmly and connect valve gap 11, valve end, outlet valve and Aspirating valves exactly, thus improve the reliability of compressor and its performance, reduce noise.
Although disclose the preferred embodiments of the present invention for illustrative purposes, those skilled in the art still can make various modifications, augment and replace, and can not break away from aim of the present invention and scope.
Claims (1)
1. head cover engaging structure that is used for closed compressor, wherein, on the Aspirating valves that valve gap is positioned over cylinder, valve end and outlet valve after, connect valve gaps with a plurality of attachment screws, it is characterized in that:
Described a plurality of attachment screw is screwed on along different rotation directions with respect to the vertical center line of valve gap, and described attachment screw comprises:
The right side screw of screwing on along dextrorotation direction that is clockwise direction; With
Along left hand direction that is the left side screw of counterclockwise screwing on;
Wherein, right side attachment screw and left side attachment screw are in its position with quantitatively all be symmetrical.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KRU45982/96 | 1996-12-06 | ||
| KR2019960045982U KR19980033077U (en) | 1996-12-06 | 1996-12-06 | Head cover fastening structure of hermetic compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1190159A CN1190159A (en) | 1998-08-12 |
| CN1223760C true CN1223760C (en) | 2005-10-19 |
Family
ID=19477520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB971203121A Expired - Fee Related CN1223760C (en) | 1996-12-06 | 1997-12-04 | Head cover engaging structure for hermetic compressor |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR19980033077U (en) |
| CN (1) | CN1223760C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040015547A (en) * | 2002-08-13 | 2004-02-19 | 엘지전자 주식회사 | Structure for protecting discharge cover misalignment of reciprocating compressor |
-
1996
- 1996-12-06 KR KR2019960045982U patent/KR19980033077U/en not_active Application Discontinuation
-
1997
- 1997-12-04 CN CNB971203121A patent/CN1223760C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR19980033077U (en) | 1998-09-05 |
| CN1190159A (en) | 1998-08-12 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1031987 Country of ref document: HK |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |