CN201209559Y - Sound deadening screw - Google Patents
Sound deadening screw Download PDFInfo
- Publication number
- CN201209559Y CN201209559Y CNU2008201120265U CN200820112026U CN201209559Y CN 201209559 Y CN201209559 Y CN 201209559Y CN U2008201120265 U CNU2008201120265 U CN U2008201120265U CN 200820112026 U CN200820112026 U CN 200820112026U CN 201209559 Y CN201209559 Y CN 201209559Y
- Authority
- CN
- China
- Prior art keywords
- screw
- screw rod
- blind hole
- air
- sound deadening
- 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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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a sound deadening screw; the lower bottom end of the screw is provided with an air inlet blind hole towards the direction of an upper cap; the side wall of the screw is provided with a plurality of air outlets communicated with the air inlet blind hole. The sound deadening screw not only reduces the impact of the air on an inter-cooler, but also has the functions of vibration reduction and sound deadening, improves the operation performance of an air compressor, and prolongs the service life of the inter-cooler.
Description
Technical field:
The utility model relates to a kind of noise reduction screw rod, specifically is the noise reduction screw rod of using on the air compressor.
Background technique:
The working principle of air compressor is that gas is exported when intercooler is done the row pressure campaign by compression cylinder after compression, and the noise that is produced during the gas extruding is very big, and powerful gas makes air compressor produce vibrations to the impact of intercooler.The outlet and being connected of intercooler of existing air compressor cylinder are to be connected and fixed by common screw with right angle single-pass joint or delta connection, have influenced the ride quality of air compressor widely.
Summary of the invention:
The purpose of this utility model is to provide a kind of noise reduction screw rod in order to overcome above-mentioned deficiency, after adopting this screw rod to be connected and fixed, not only alleviated the impact force of gas, also reduced noise intercooler, improve the ride quality of air compressor, prolonged the working life of intercooler.
A kind of noise reduction screw rod that the utility model provides is characterized in that: the bottom cap direction that makes progress is provided with an air inlet blind hole under the described screw rod, and is provided with at least one air outlet hole communicates with the air inlet blind hole on the sidewall of screw rod.
Advantage of the present utility model is: the screw rod of employing said structure is connected and fixed the outlet and the intercooler of cylinder, make pressurized gas do the row pressure campaign through the air outlet hole on the screw rod sidewall to intercooler again from the air inlet blind hole of cylinder through being connected and fixed screw rod, when entering into the air inlet blind hole, gas produces back pressure, offset a part of exhaust pressure, make the gas pressure that enters into intercooler significantly reduce, the gas making efficiency performance of air compressor has significantly raising, has played the effect that reduces vibrations and noise reduction.
Description of drawings:
Accompanying drawing is a structural representation of the present utility model.
Among the figure: 1, screw rod, 2, the air inlet blind hole, 3, air outlet hole.
Embodiment:
Below in conjunction with drawings and Examples the utility model is described in further detail.
As shown in the figure, a kind of noise reduction screw rod, 1 time bottom of described screw rod cap direction that makes progress is provided with an air inlet blind hole 2, and the sidewall of screw rod 1 is provided with at least one air outlet hole 3 and communicates with air inlet blind hole 2.
The utility model is owing to adopt said structure; Air compressor is when work, the pressurized gas that cylinder comes out enters into to be done the row pressure campaign through the air outlet hole 3 on screw rod 1 sidewall to intercooler again in the air inlet blind hole 2 of screw rod 1 and produces a back pressure, the impulse force of gas is absorbed by air inlet blind hole 2 inwalls, offset the exhaust pressure of a part, extruding noise when having reduced gas flow, gas after the step-down enters into cooler from air outlet hole 3, reduction is to the intercooler impact force, make the vibrations of intercooler decrease, play the effect that reduces vibrations and noise reduction.
Claims (1)
1, a kind of noise reduction screw rod is characterized in that: described screw rod (1) the down bottom cap direction that makes progress is provided with an air inlet blind hole (2), and the sidewall of screw rod 1 is provided with at least one air outlet hole (3) and communicates with air inlet blind hole (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201120265U CN201209559Y (en) | 2008-05-06 | 2008-05-06 | Sound deadening screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201120265U CN201209559Y (en) | 2008-05-06 | 2008-05-06 | Sound deadening screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201209559Y true CN201209559Y (en) | 2009-03-18 |
Family
ID=40480292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201120265U Expired - Fee Related CN201209559Y (en) | 2008-05-06 | 2008-05-06 | Sound deadening screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201209559Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506937A (en) * | 2018-05-29 | 2018-09-07 | 南京鸣全特科技发展有限公司 | A kind of multi-core type activation resonance gas energy-saver |
-
2008
- 2008-05-06 CN CNU2008201120265U patent/CN201209559Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506937A (en) * | 2018-05-29 | 2018-09-07 | 南京鸣全特科技发展有限公司 | A kind of multi-core type activation resonance gas energy-saver |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090318 Termination date: 20100506 |