CN104912807A - Oil injection structure of helical-lobe compressor - Google Patents
Oil injection structure of helical-lobe compressor Download PDFInfo
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- CN104912807A CN104912807A CN201510308336.9A CN201510308336A CN104912807A CN 104912807 A CN104912807 A CN 104912807A CN 201510308336 A CN201510308336 A CN 201510308336A CN 104912807 A CN104912807 A CN 104912807A
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Abstract
The invention provides an oil injection structure of a helical-lobe compressor, aiming at solving the problem that in the traditional helical-lobe compressor, oil injection amount can not be regulated. The oil injection structure is configured as follows: an oil supply channel and an oil injection hole which are communicated with each other are formed at the lower part of a shell of the main body of the compressor, the oil supply channel is communicated with a bearing lubrication oil channel, and a step connection part is arranged between the oil supply channel and the oil injection hole. The oil injection structure is characterized in that an oil injection nozzle capable of being detached for replacement is mounted in the oil supply channel and the oil injection hole, the oil injection nozzle comprises a head part and a tail part, the tail part of the oil injection nozzle is mounted in the oil supply channel, the head part of the oil injection nozzle extends into the oil injection hole, an oil distributing hole is further formed at the tail part of the oil injection nozzle, and the oil distributing hole is communicated with the bearing lubrication oil channel.
Description
Technical field
The present invention relates to helical-lobe compressor field, be specially the oil injection structure of helical-lobe compressor.
Background technique
In fuel injection helical lobe compressor, in active chamber, often spray into the lubricant oil with certain pressure, the oil sprayed in compressor mainly contains cooling, sealing, lubrication and noise reduction four functions.Such as, but according to the difference of operating conditions and compressed medium in helical-lobe compressor actual motion working procedure, fuel injection quantity has very large difference, when exhaust pressure is higher, Leakage Gas is comparatively large, and volumetric efficiency is lower, and required heat exchange amount increases, and now suitably should improve fuel injection quantity; In addition, during rotating speed height, relatively reveal loss little, but the wasted work of disturbance oil is comparatively large, so also just require the circulating load suitably reducing oil; If the density of compressed medium is less, Leakage Gas is serious, also should increase the circulating load of oil.And the oil injection structure of traditional helical-lobe compressor is shown in Fig. 1, its lubricant oil is directly from sending the nozzle opening 2 of oily passage 1 front end to spray into main frame, and it cannot meet the adjustment requirement of fuel injection quantity.
Summary of the invention
For the problems referred to above, the invention provides the oil injection structure of helical-lobe compressor, it can solve the problem that classic screw compressor oil injection structure cannot regulate fuel injection quantity.
The oil injection structure of helical-lobe compressor, it has in compressor host lower housing portion and mutually throughly send oily passage and nozzle opening, describedly oily passage is sent also to be connected with bearing oil passage, described sending between oily passage and nozzle opening is provided with step type joining portion, it is characterized in that: send in oily passage and nozzle opening described the oil nozzle being provided with and detachably changing, described oil nozzle comprises head and afterbody, the afterbody of described oil nozzle coordinate be installed on described in send in oily passage and the head of described oil nozzle stretches in described nozzle opening, the afterbody of described oil nozzle also offers a point oilhole, described point of oilhole is connected with described bearing oil passage.
It is further characterized in that:
Spielpassung between the head of described oil nozzle and described nozzle opening;
The step type auxiliary section matched with described step type joining portion is provided with between described oil nozzle head and afterbody;
The afterbody periphery of described oil nozzle is provided with outside thread, described in send the inner circumferential of oily passage to be provided with the internal thread matched with the outside thread of the afterbody periphery of described oil nozzle, the afterbody of described oil nozzle is threaded with described sending between oily passage;
The afterbody inner circumferential of described oil nozzle is provided with interior hexagonal structure.
Beneficial effect of the present invention is: its send oil by with spray orifice hole in the oil nozzle detachably changed is installed, can the oil nozzle of assembling suitable header internal diameter be selected according to actual conditions thus make unit performance reach the best in actual use.
Accompanying drawing explanation
Fig. 1 is traditional helical-lobe compressor oil injection structure schematic diagram;
Fig. 2 is helical-lobe compressor oil injection structure schematic diagram of the present invention;
Fig. 3 is the structure for amplifying schematic diagram of the oil nozzle in helical-lobe compressor oil injection structure of the present invention;
Fig. 4 is that schematic diagram is looked on the right side of Fig. 3.
Embodiment
See Fig. 2, helical-lobe compressor oil injection structure of the present invention, its host shell bottom has mutually throughly send oily passage 1 and nozzle opening 2, oily passage 1 is sent also to be connected with bearing oil passage 3, send between oily passage 1 and nozzle opening 2 and be provided with step type joining portion 4, the oil nozzle 5 detachably changed is installed sending in oily passage 1 and nozzle opening 2, oil nozzle 5 comprises head 5-1 and afterbody 5-2, see Fig. 3, the afterbody 5-2 of oil nozzle 5 coordinates to be installed on and to send in oily passage 1 and the head 5-1 of oil nozzle 5 stretches in nozzle opening 2, the afterbody 5-2 of oil nozzle 5 also offers a point oilhole 5-3, oilhole 5-3 is divided to be connected with bearing oil passage 3.
Spielpassung between the head 5-1 external diameter φ d of the oil nozzle 5 and internal diameter φ D of nozzle opening 1;
The step type auxiliary section 5-4 matched with step type joining portion 4 is provided with between the head 5-1 of oil nozzle 5 and afterbody 5-2;
The afterbody 5-2 periphery of oil nozzle 5 is provided with outside thread, send the inner circumferential of oily passage 1 to be provided with the internal thread matched with the outside thread of the afterbody periphery of oil nozzle, and the afterbody 5-2 of oil nozzle is threaded with sending between oily passage 1;
The afterbody 5-2 inner circumferential of oil nozzle 5 is provided with interior hexagonal structure 5-5, sees Fig. 4, only needs to be stretched in interior hexagonal structure 5-5 oil nozzle 5 to be screwed into by inner hexagon spanner to send in oily passage 1 when oil nozzle 5 assembles.
Time oily to jet lubrication in compressor host by helical-lobe compressor oil injection structure of the present invention, lubricant oil is divided into two-way, wherein a road lubricant oil is spurted in main frame through the head 5-1 of oil nozzle 5, and another road lubricant oil is entered in the bearing oil passage 3 of main frame by point oilhole 5-3 on the afterbody of oil nozzle 5 and carries out fuel feeding to bearing.
In actual use, for same compressor host, it can select the oil nozzle 5 of assembling different head diameter phi A to carry out the requirement of satisfied different fuel injection quantity according to the requirement of actual conditions.
Claims (5)
1. the oil injection structure of helical-lobe compressor, it has in compressor host lower housing portion and mutually throughly send oily passage and nozzle opening, describedly oily passage is sent also to be connected with bearing oil passage, described sending between oily passage and nozzle opening is provided with step type joining portion, it is characterized in that: send in oily passage and nozzle opening described the oil nozzle being provided with and detachably changing, described oil nozzle comprises head and afterbody, the afterbody of described oil nozzle coordinate be installed on described in send in oily passage and the head of described oil nozzle stretches in described nozzle opening, the afterbody of described oil nozzle also offers a point oilhole, described point of oilhole is connected with described bearing oil passage.
2. the oil injection structure of helical-lobe compressor according to claim 1, is characterized in that: Spielpassung between the head of described oil nozzle and described nozzle opening.
3. the oil injection structure of helical-lobe compressor according to claim 1, is characterized in that: be provided with the step type auxiliary section matched with described step type joining portion between described oil nozzle head and afterbody.
4. the oil injection structure of helical-lobe compressor according to claim 1, it is characterized in that: the afterbody periphery of described oil nozzle is provided with outside thread, the described inner circumferential of oily passage of sending is provided with the internal thread matched with the outside thread of the afterbody periphery of described oil nozzle, and the afterbody of described oil nozzle is threaded with described sending between oily passage.
5. the oil injection structure of helical-lobe compressor according to claim 1, is characterized in that: the afterbody inner circumferential of described oil nozzle is provided with interior hexagonal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510308336.9A CN104912807B (en) | 2015-06-09 | 2015-06-09 | The oil injection structure of helical-lobe compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510308336.9A CN104912807B (en) | 2015-06-09 | 2015-06-09 | The oil injection structure of helical-lobe compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104912807A true CN104912807A (en) | 2015-09-16 |
| CN104912807B CN104912807B (en) | 2017-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510308336.9A Active CN104912807B (en) | 2015-06-09 | 2015-06-09 | The oil injection structure of helical-lobe compressor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906008A (en) * | 2017-11-16 | 2018-04-13 | 宁波市鄞州堃信工业产品设计有限公司 | A kind of screw air compressor fueling injection equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080050061A1 (en) * | 2006-08-25 | 2008-02-28 | Pratt & Whitney Canada Corp. | Oil bearing and tube assembly concept |
| CN201318222Y (en) * | 2008-12-17 | 2009-09-30 | 安徽全柴动力股份有限公司 | Diesel engine body with novel structural lubricating oil duct |
| CN101979842A (en) * | 2010-10-11 | 2011-02-23 | 重庆隆鑫机车有限公司 | Engine oil injection quantity adjusting device for motorcycle engine |
| CN204738965U (en) * | 2015-06-09 | 2015-11-04 | 无锡压缩机股份有限公司 | Helical -lobe compressor's oil spout structure |
-
2015
- 2015-06-09 CN CN201510308336.9A patent/CN104912807B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080050061A1 (en) * | 2006-08-25 | 2008-02-28 | Pratt & Whitney Canada Corp. | Oil bearing and tube assembly concept |
| CN201318222Y (en) * | 2008-12-17 | 2009-09-30 | 安徽全柴动力股份有限公司 | Diesel engine body with novel structural lubricating oil duct |
| CN101979842A (en) * | 2010-10-11 | 2011-02-23 | 重庆隆鑫机车有限公司 | Engine oil injection quantity adjusting device for motorcycle engine |
| CN204738965U (en) * | 2015-06-09 | 2015-11-04 | 无锡压缩机股份有限公司 | Helical -lobe compressor's oil spout structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906008A (en) * | 2017-11-16 | 2018-04-13 | 宁波市鄞州堃信工业产品设计有限公司 | A kind of screw air compressor fueling injection equipment |
| CN107906008B (en) * | 2017-11-16 | 2019-04-05 | 宁波市鄞州堃信工业产品设计有限公司 | A kind of screw air compressor fueling injection equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104912807B (en) | 2017-03-29 |
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Address after: 214145 No. 199, xixie Road, Hongshan street, Xinwu District, Wuxi City, Jiangsu Province Patentee after: Shengang Wuxi Compressor Co.,Ltd. Address before: 214145 Hongshan Photoelectric Industrial Park, Wuxi, Jiangsu (No. 199, tin Xie Road) Patentee before: WUXI COMPRESSOR Co.,Ltd. |
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