CN203770070U - Sealing structure for noise reduction cavity of freezer compressor - Google Patents
Sealing structure for noise reduction cavity of freezer compressor Download PDFInfo
- Publication number
- CN203770070U CN203770070U CN201320852489.6U CN201320852489U CN203770070U CN 203770070 U CN203770070 U CN 203770070U CN 201320852489 U CN201320852489 U CN 201320852489U CN 203770070 U CN203770070 U CN 203770070U
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- CN
- China
- Prior art keywords
- silencing cavity
- cover plate
- noise reduction
- reduction cavity
- seal washer
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a sealing structure for a noise reduction cavity of a freezer compressor. The sealing structure comprises a noise reduction cavity body, a noise reduction cavity cover plate and a sealing gasket. The outer side end of the top end of the noise reduction cavity body protrudes upwards to form a flange of the exterior of the noise reduction cavity. The inner side end of the top end of the noise reduction cavity body is provided with a sealing gasket groove. The sealing gasket is arranged in the sealing gasket groove. The noise reduction cavity cover plate is arranged in the flange of the noise reduction cavity in an interference fit mode, and the noise reduction cavity cover plate is pressed on the sealing gasket. The sealing structure has the advantages of saving materials, easy and convenient to install, low in cost and the like.
Description
Technical field
The utility model relates to freezer compressor and manufactures field, specifically a kind of sealing configuration of freezer compressor silencing cavity.
Background technique
Exhaust noise is one of main source of freezer compressor pneumatic noise.At present, the main noise-reduction method adopting on freezer compressor is that two exhaust noise silencing chambeies are set on crankcase, or in outlet pipe, settles a noise reduction bag.The Main Function of silencing cavity is to reduce compressor air-discharging noise, and as shown in Figure 3, it comprises silencing cavity body 7, silencing cavity lid 6, seal washer 8 and fastening screw trip bolt 10 to existing silencing cavity structure.Interior bottom portion at silencing cavity body 7 is provided with a boss, is milled with tapped hole 9 in boss, and fastening screw trip bolt 10 is tightened in the tapped hole 9 of boss after covering 6 through silencing cavity, silencing cavity is covered to 6 press seal packing rings 8, thereby realize the sealing of silencing cavity.This mode is higher for the requirement on machining accuracy of silencing cavity, also will carry out tapped hole deburring processing simultaneously, and operation is various, required part is also more, and this sealing configuration, after screw-driving, there will be the situation of moment of torsion decay, thereby affect the tightness of silencing cavity.
Summary of the invention
Technical problem to be solved in the utility model is to provide the sealing configuration of a kind of material economy, simple installation, freezer compressor silencing cavity that cost of labor is lower.
For solving the problems of the technologies described above, the sealing configuration of a kind of freezer compressor silencing cavity of the utility model comprises silencing cavity body, silencing cavity cover plate and seal washer, the convex formation silencing cavity of the outboard end external flange on described silencing cavity body top, the medial extremity on described silencing cavity body top is provided with sealing gasket ring recess, described seal washer is located in described sealing gasket ring recess, described silencing cavity cover plate adopts interference fit to be placed in described silencing cavity flange, and described silencing cavity cover plate is pressed on described seal washer.
The sealing configuration of above-mentioned a kind of freezer compressor silencing cavity, the top inner side surface of described silencing cavity external flange is circular-arc, circular-arc bottom concaves, and before the thickness of described silencing cavity cover plate and the compression of described seal washer, thickness sum is greater than the circular-arc bottom at described silencing cavity external flange top to the degree of depth of described seal washer groove bottom.
The sealing configuration of above-mentioned a kind of freezer compressor silencing cavity, the internal diameter of described silencing cavity external flange is less than the external diameter of described silencing cavity cover plate.
The sealing configuration of above-mentioned a kind of freezer compressor silencing cavity, the material hardness of described silencing cavity cover plate is less than the material hardness of described silencing cavity body.
The utility model is owing to having adopted above-mentioned technical pattern, and compared with prior art, it has the following advantages: 1, due to this structure, do not adopt the parts such as screw, saved the cost of material in producing; 2, need to tapped hole be set in the interior bottom portion of silencing cavity body, save cost of production; While 3, installing, only cover plate need to be pressed into silencing cavity external flange, comparatively easy, saved human cost and equipment cost; 4,, because this structure is not to realize sealing by screw-driving moment of torsion, therefore overcome the sealing problem that the moment of torsion decay that exists in existing structure causes.
Accompanying drawing explanation
Fig. 1 is the sealed structural representation of the utility model freezer compressor silencing cavity;
Fig. 2 is the structure for amplifying schematic diagram of A part in Fig. 1;
Fig. 3 is the sealed structural representation of current refrigerator compressor silencing cavity.
Embodiment
As shown in Figure 1, the sealing configuration of the utility model freezer compressor silencing cavity comprises silencing cavity body 5, silencing cavity cover plate 1 and seal washer 3, the convex formation silencing cavity of the outboard end external flange 2 on silencing cavity body 5 tops, the medial extremity on silencing cavity body 5 tops is provided with sealing gasket ring recess 4, seal washer 3 is located in sealing gasket ring recess 4, can prevent that seal washer 3 from compaction process, slippage occurring or amount of deformation is excessive, also can guarantee simultaneously its after being compressed distortion by silencing cavity cover plate 1, can remain at sealing gasket ring recess 4 in and can not extend out in the cavity of silencing cavity body 5.The internal diameter 2a ' of silencing cavity external flange 2 is slightly less than the external diameter 1a ' of silencing cavity cover plate 1, make to form interference fit between silencing cavity external flange 2 and silencing cavity cover plate 1, guarantee by external force, silencing cavity cover plate 1 is being pressed into after silencing cavity body 5, can, by silencing cavity external flange 2 by 1 locking of silencing cavity cover plate, there will not be axial displacement.
As shown in Figure 2, in order to guarantee silencing cavity cover plate 1 and the interference fit of silencing cavity body 5 at axial direction, the top inner side surface of silencing cavity external flange 2 is circular-arc, circular-arc bottom concaves, and before the thickness 1b ' of silencing cavity cover plate 1 and the compression of seal washer 3, thickness 3b ' sum should be greater than the degree of depth 2b ' of the circular-arc bottom at silencing cavity external flange 2 tops to sealing gasket ring recess 4 bottom surfaces.Seal washer 3 is elastic material, by the interference fit of silencing cavity external flange 2 and silencing cavity cover plate 1 in the vertical direction, silencing cavity cover plate 1 compresses seal washer 3, makes seal washer 3 in the interior generation resiliently deformable of sealing gasket ring recess 4, thereby realizes the sealing of silencing cavity.The material hardness of silencing cavity cover plate 1 should be less than the material hardness of silencing cavity body 5, like this, in compaction process, when resiliently deformable occurs silencing cavity cover plate 1, just can not abrade silencing cavity external flange 2.The item end inner side surface of silencing cavity external flange 2 should be polished bright and clean, and silencing cavity cover plate 1 can be pressed into swimmingly in the process being pressed into.
Mounting type of the present utility model is as follows: first silencing cavity body 5 is arranged on frock clamping platform, seal washer 3 is placed in sealing gasket ring recess 4; Then silencing cavity cover plate 1 edge is coated with to lubricant oil, is positioned on silencing cavity external flange 2, by external force, silencing cavity cover plate 1 is slowly pressed into, treat that silencing cavity external flange 2 exposes completely on silencing cavity cover plate 1, i.e. installation.
Certainly, the protection domain of the utility model sealing configuration is not limit by above-mentioned embodiment, such as, sealing gasket ring recess also can be processed on silencing cavity cover plate.
Claims (3)
1. the sealing configuration of a freezer compressor silencing cavity, comprise silencing cavity body, silencing cavity cover plate and seal washer, it is characterized in that, the convex formation silencing cavity of the outboard end external flange on described silencing cavity body top, the medial extremity on described silencing cavity body top is provided with sealing gasket ring recess, described seal washer is located in described sealing gasket ring recess, and described silencing cavity cover plate adopts interference fit to be placed in described silencing cavity flange, and described silencing cavity cover plate is pressed on described seal washer.
2. the sealing configuration of a kind of freezer compressor silencing cavity as claimed in claim 1, it is characterized in that, the top inner side surface of described silencing cavity external flange is circular-arc, circular-arc bottom concaves, and before the thickness of described silencing cavity cover plate and the compression of described seal washer, thickness sum is greater than the circular-arc bottom at described silencing cavity external flange top to the degree of depth of described seal washer groove bottom.
3. the sealing configuration of a kind of freezer compressor silencing cavity as claimed in claim 1 or 2, is characterized in that, the internal diameter of described silencing cavity external flange is less than the external diameter of described silencing cavity cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320852489.6U CN203770070U (en) | 2013-12-23 | 2013-12-23 | Sealing structure for noise reduction cavity of freezer compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320852489.6U CN203770070U (en) | 2013-12-23 | 2013-12-23 | Sealing structure for noise reduction cavity of freezer compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203770070U true CN203770070U (en) | 2014-08-13 |
Family
ID=51287267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320852489.6U Withdrawn - After Issue CN203770070U (en) | 2013-12-23 | 2013-12-23 | Sealing structure for noise reduction cavity of freezer compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203770070U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821695B (en) * | 2013-12-23 | 2016-04-27 | 加西贝拉压缩机有限公司 | A kind of sealing configuration of freezer compressor silencing cavity |
-
2013
- 2013-12-23 CN CN201320852489.6U patent/CN203770070U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821695B (en) * | 2013-12-23 | 2016-04-27 | 加西贝拉压缩机有限公司 | A kind of sealing configuration of freezer compressor silencing cavity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140813 Effective date of abandoning: 20160427 |