CN109915368A - A kind of fuel cell gearless screw rod oil-free air compressor - Google Patents
A kind of fuel cell gearless screw rod oil-free air compressor Download PDFInfo
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- CN109915368A CN109915368A CN201910316336.1A CN201910316336A CN109915368A CN 109915368 A CN109915368 A CN 109915368A CN 201910316336 A CN201910316336 A CN 201910316336A CN 109915368 A CN109915368 A CN 109915368A
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Abstract
The present invention relates to a kind of fuel cell gearless screw rod oil-free air compressors, comprising: casing, casing is interior to be equipped with gas chamber, is equipped with mutually matched male rotor and female rotor in gas chamber；Rotor fixed cell, rotor fixed cell include first end cover, and first end cover is detachably connected with casing, and first end cover is set there are two the first bearing of support connection male rotor and female rotor, and the other end of female rotor is connected with the second bearing that casing inner wall is arranged；Casing is equipped with dismountable second end cover, and second end cover two sides are separately connected casing and motor, and the male rotor and motor are equipped with the shaft of coaxial arrangement, and the shaft is connected with the 3rd bearing of motor rear end.Yin-yang rotor of the invention uses unlike material, and motor directly drives the shaft of male rotor to rotate, and male rotor drives female rotor to realize transmission, to eliminate gear drive, and then oil channel structures are not needed, reach oil-free design, eliminates the security risk of oil leakage；Save process and assemble process.
Description
Technical field
The present invention relates to a kind of fuel cell gearless screw rod oil-free air compressors.
Background technique
With the rapid development of new energy field, fuel cell needs to be supplied using air compressor at work,
But because lubricating oil can make the pile of fuel cell be poisoned, the air of air compressor discharge is not allow oil-containing
, existing air compressor is substantially drives rotor to rotate the gear being connected with rotor using motor-driven gear structure
It needs to be arranged in oil pocket, sealing structure is set between oil pocket and air compressor gas chamber, lubricating oil is sealed, but this
Very high request is proposed to sealing mechanism, because gas chamber is interior full of compressed air during the work time for air compressor, for a long time
Enter oil pocket using the connection gap that the air in rear gas chamber can break through seal assembly, oil leakage in oil pocket is caused, to combustion
Expect that battery has very big security risk.
Summary of the invention
It is reasonable in design the present invention provides a kind of fuel cell gearless screw rod oil-free air compressor, yin
Male rotor uses unlike material, and motor directly drives the shaft of male rotor to rotate, and male rotor drives female rotor to realize transmission, thus
Gear drive is eliminated, and then does not need oil channel structures, has reached oil-free design, eliminates the security risk of oil leakage；
Process and assemble process is saved, production cost has been saved, and alleviates the quality of integral device, improves transmission efficiency, and
And the process for saving process and assemble, production cost has been saved, has solved problems of the prior art.
The present invention to solve above-mentioned technical problem used by technical solution be: a kind of fuel cell gearless screw rod without
Oily air compressor, comprising:
Casing, the casing is interior to be equipped with gas chamber, is equipped with mutually matched male rotor and female rotor in the gas chamber；
Rotor fixed cell, the rotor fixed cell includes first end cover, the first end cover and the detachable phase of casing
Even, the first end cover set there are two support connection male rotor and female rotor first bearing, the other end of the female rotor and
The second bearing of the casing inner wall setting is connected；The casing is equipped with dismountable second end cover, the second end cover two sides
It is separately connected the casing and motor, the male rotor and motor are equipped with the shaft of coaxial arrangement, the shaft and motor rear end
3rd bearing be connected；
Sealing element, the sealing element are arranged outside shaft, and are located at second end cover close to male rotor side, with limit chassis
Interior air enters inside motor.
Further, position is passed through by shaft in the chassis sidewall and is equipped with sink hole, the sealing element is arranged described
In sink hole, the second end cover fixes the sealing element position in the sink hole after being connected with the casing.
Further, the shaft surface of the male rotor is equipped with metal blade, and the shaft surface of the female rotor is equipped with non-
Metal blade.
Further, the metal blade surface of the male rotor is equipped with wearing layer.
Further, the shaft of the female rotor and nonmetallic blade are an integral molding structure.
Further, the shaft of the male rotor and metal blade are an integral molding structure.
Further, the first bearing, second bearing and 3rd bearing are all made of dual face seals self-lubricating bearing structure.
Further, the female rotor selects self-lubricating engineering plastics material model.
Further, the female rotor Ceramics material model.
The beneficial effect of the present invention using the above structure is, reasonable in design, and yin-yang rotor uses unlike material, electricity
Machine directly drives the shaft of male rotor to rotate, and male rotor drives female rotor to realize transmission, to eliminate gear drive, and then not
Oil channel structures are needed, oil-free design has been reached, eliminate the security risk of oil leakage；Process and assemble process is saved, is saved
About production cost, and the quality of integral device is alleviated, transmission efficiency is improved, and save the work of process and assemble
Sequence has saved production cost.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
In figure, 1, casing；2, gas chamber；3, male rotor；4, female rotor；5, first end cover；6, first bearing；7, the second axis
It holds；8, second end cover；9, motor；10,3rd bearing；11, sealing element；12, sink hole；13, shaft.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this hair
It is bright to be described in detail.
Many details are explained in the following description in order to fully understand the application, still, the application may be used also
To be implemented using other than the one described here other modes, therefore, the protection scope of the application is not by described below
Specific embodiment limitation.
In addition, in the description of the present application, it is to be understood that term " center ", "upper", "lower", "front", "rear",
The orientation of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " axial direction ", " radial direction ", " circumferential direction "
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the application and simplifies description, and
It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore
It should not be understood as the limitation to the application.In addition, term " first ", " second " are used for description purposes only, and should not be understood as referring to
Show or imply relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " are defined as a result,
Feature can explicitly or implicitly include one or more this feature.In the description of the present application, the meaning of " multiple "
It is two or more, unless otherwise specifically defined.
In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected, can also be communication；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements.For the ordinary skill in the art, may be used
To understand the concrete meaning of above-mentioned term in this application as the case may be.
In this application unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.In retouching for this specification
In stating, the description of reference term " one embodiment ", " some embodiments ", " example ", " specific example " or " some examples " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the application
In embodiment or example.In the present specification, schematic expression of the above terms are necessarily directed to identical embodiment
Or example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples
It can be combined in any suitable manner.
As shown in Figure 1, a kind of fuel cell gearless screw rod oil-free air compressor, including casing 1, rotor are fixed single
Member and sealing element 11, casing 1 is interior to be equipped with gas chamber 2, is equipped with mutually matched male rotor 3 and female rotor 4 in gas chamber 2；Rotor is fixed
Unit includes first end cover 5, and first end cover 5 is detachably connected with casing 1, first end cover 5 set there are two support connection male rotor 3
It is connected with the other end of the first bearing 6 of female rotor 4, female rotor 4 with the second bearing 7 that 1 inner wall of casing is arranged；Casing 1 is equipped with
Dismountable second end cover 8,8 two sides of second end cover are separately connected casing 1 and motor 9, and second end cover 8 is equipped with support connection sun and turns
The 3rd bearing 10 of sub 3 shafts, male rotor 3 and motor 9 are equipped with the shaft 13 of coaxial arrangement, and the of 9 rear end of shaft 13 and motor
Three bearings 10 are connected；Sealing element 11 is arranged outside shaft 13, and is located at second end cover 8 close to 3 side of male rotor, with limit chassis
Air enters inside motor 9 in 1.Motor 9 and using for male rotor 3 are coaxially disposed, and do not need gear transmission structure, further save
Oil recess structure has been removed, the security risk of oil leakage is eliminated；Process and assemble process is saved, production cost has been saved；Subtract
Few gear structure and shaft coupling dependency structure alleviates the quality of integral device, improves transmission efficiency, motor is identical defeated
Out when power, the efficiency of compressed air gets a promotion.
Installation in order to facilitate sealing element 13 is fixed, and is passed through position by shaft 13 in 1 side wall of casing and is equipped with sink hole 12, close
Sealing 11 is arranged in sink hole 12, and second end cover 8 fixes 11 position of sealing element in sink hole 12 after being connected with casing 1.
Specifically, the shaft surface of male rotor 3 is equipped with metal blade, the shaft surface of female rotor 4 is equipped with nonmetallic blade.
By way of metal blade drives nonmetallic blade to rotate, it is more advantageous to the engagement of 4 blade of male rotor 3 and female rotor, and
Nonmetallic blade also significantly reduces the quality of female rotor 4, it is easier to be driven to rotate.
It is noted that male rotor 3 can select alloy material model, aluminum model can also be selected, quality is opposite
Other metal materials are lighter, and the coefficient of friction in rotation process between 4 blade of female rotor is smaller, can be improved 3 He of male rotor
Transmission efficiency between female rotor 4.
In order to be further reduced male rotor 3 and the interlobate phase mutual friction of female rotor 4, abrasion, the metal leaf of male rotor 3
Piece surface is equipped with wearing layer.It is contacted with each other by the wearing layer of setting and the non-metallic material of female rotor 4, can reduce the two
Between coefficient of friction, effectively control abrasion between the two.Specifically, DLC coating can be selected in wearing layer.
It assembles in order to facilitate processing, the shaft of female rotor 4 and nonmetallic blade are an integral molding structure.In actual processing mistake
Metal material, nonmetallic blade and metal rotating shaft can be used using integrated molding die casting form in Cheng Zhong, the shaft of female rotor 4.
Likewise, the shaft and metal blade of male rotor 3 are an integral molding structure.In the actual processing process, male rotor 3
Shaft can be used metal material, the metal blade and metal rotating shaft of unlike material are using being integrally formed die casting form.
First bearing 6, second bearing 7 and 3rd bearing 10 are all made of dual face seals bearing arrangement.Make first bearing 6,
Two bearings 7 and 3rd bearing 10 realize it is non-maintaining, be easy to use.
Female rotor 4 selects self-lubricating engineering plastics material model.Specifically optional PEEK material, can be such that female rotor 4 has
There are the excellent properties of high temperature resistant, self-lubricating, easy processing and high mechanical strength, guarantees that the reliability of female rotor 4, using effect are good.
In addition, 4 Ceramics material model of female rotor.Make female rotor 4 that there is high-melting-point, high rigidity, high-wearing feature, oxytolerant
The characteristics of change, can also be used to cooperate rotation with male rotor 3.
Above-mentioned specific embodiment cannot function as limiting the scope of the invention, for the technology people of the art
For member, any alternate modification or transformation made to embodiment of the present invention are fallen within the scope of protection of the present invention.
Place is not described in detail by the present invention, is the well-known technique of those skilled in the art of the present technique.
Claims (9)
1. a kind of fuel cell gearless screw rod oil-free air compressor characterized by comprising
Casing, the casing is interior to be equipped with gas chamber, is equipped with mutually matched male rotor and female rotor in the gas chamber；
Rotor fixed cell, the rotor fixed cell includes first end cover, and the first end cover is detachably connected with casing, institute
It states first end cover and sets that there are two the first bearing of support connection male rotor and female rotor, the other end of the female rotor and the machines
The second bearing of shell inner wall setting is connected；The casing is equipped with dismountable second end cover, and the second end cover two sides connect respectively
The casing and motor are connect, the male rotor and motor are equipped with the shaft of coaxial arrangement, the third of the shaft and motor rear end
Bearing is connected；
Sealing element, the sealing element are arranged outside shaft, and are located at second end cover close to male rotor side, with empty in limit chassis
Gas enters inside motor.
2. a kind of fuel cell according to claim 1 gearless screw rod oil-free air compressor, which is characterized in that
The chassis sidewall passes through position by shaft and is equipped with sink hole, and the sealing element is arranged in the sink hole, the second end
Lid fixes the sealing element position in the sink hole after being connected with the casing.
3. a kind of fuel cell according to claim 1 or 2 gearless screw rod oil-free air compressor, feature exist
In the shaft surface of the male rotor is equipped with metal blade, and the shaft surface of the female rotor is equipped with nonmetallic blade.
4. a kind of fuel cell according to claim 3 gearless screw rod oil-free air compressor, which is characterized in that institute
The metal blade surface for stating male rotor is equipped with wearing layer.
5. a kind of fuel cell according to claim 4 gearless screw rod oil-free air compressor, which is characterized in that institute
The shaft and nonmetallic blade for stating female rotor are an integral molding structure.
6. a kind of fuel cell according to claim 4 or 5 gearless screw rod oil-free air compressor, feature exist
In the shaft and metal blade of the male rotor are an integral molding structure.
7. a kind of fuel cell according to claim 6 gearless screw rod oil-free air compressor, which is characterized in that institute
It states first bearing, second bearing and 3rd bearing and is all made of dual face seals self-lubricating bearing structure.
8. a kind of fuel cell according to claim 7 gearless screw rod oil-free air compressor, which is characterized in that institute
It states female rotor and selects self-lubricating engineering plastics material model.
9. a kind of fuel cell according to claim 7 gearless screw rod oil-free air compressor, which is characterized in that institute
State female rotor Ceramics material model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910316336.1A CN109915368A (en) | 2019-04-19 | 2019-04-19 | A kind of fuel cell gearless screw rod oil-free air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910316336.1A CN109915368A (en) | 2019-04-19 | 2019-04-19 | A kind of fuel cell gearless screw rod oil-free air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109915368A true CN109915368A (en) | 2019-06-21 |
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ID=66977836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910316336.1A Pending CN109915368A (en) | 2019-04-19 | 2019-04-19 | A kind of fuel cell gearless screw rod oil-free air compressor |
Country Status (1)
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| CN (1) | CN109915368A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230592A (en) * | 2019-07-30 | 2019-09-13 | 浙江博大泵业有限公司 | A kind of Quimby pump that metal screw is used with the pairing of line with rubber screw rod |
| CN110307154A (en) * | 2019-07-15 | 2019-10-08 | 烟台菱辰能源有限公司 | A kind of roots-type hydrogen gas circulating pump |
| CN110319004A (en) * | 2019-07-15 | 2019-10-11 | 烟台菱辰能源有限公司 | A kind of claw hydrogen gas circulating pump |
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|---|---|---|---|---|
| JPH10141262A (en) * | 1996-11-05 | 1998-05-26 | Hokuetsu Kogyo Co Ltd | Water lubricating-type screw compressor |
| JP2002310079A (en) * | 2001-04-16 | 2002-10-23 | Hitachi Ltd | Water lubricated screw compressor |
| JP2002310081A (en) * | 2001-04-12 | 2002-10-23 | Hitachi Ltd | Screw type fluid machine for fuel cell |
| CN106762667A (en) * | 2017-01-24 | 2017-05-31 | 杭州久益机械股份有限公司 | A kind of water lubrication screw air compressor and air compression method |
| CN107448384A (en) * | 2016-05-31 | 2017-12-08 | 苏州艾柏特精密机械有限公司 | Double-screw compressor rotor preparation method |
| CN108916048A (en) * | 2018-08-23 | 2018-11-30 | 中山市捷科能机电科技有限公司 | A kind of wear-resistant self-lubricating rotor and double-screw compressor of spraying water |
| CN109441814A (en) * | 2018-12-29 | 2019-03-08 | 无锡五洋赛德压缩机有限公司 | Novel screw compressor |
| CN209990636U (en) * | 2019-04-19 | 2020-01-24 | 烟台菱辰能源有限公司 | Gear-free screw oil-free air compressor for fuel cell |
-
2019
- 2019-04-19 CN CN201910316336.1A patent/CN109915368A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10141262A (en) * | 1996-11-05 | 1998-05-26 | Hokuetsu Kogyo Co Ltd | Water lubricating-type screw compressor |
| JP2002310081A (en) * | 2001-04-12 | 2002-10-23 | Hitachi Ltd | Screw type fluid machine for fuel cell |
| JP2002310079A (en) * | 2001-04-16 | 2002-10-23 | Hitachi Ltd | Water lubricated screw compressor |
| CN107448384A (en) * | 2016-05-31 | 2017-12-08 | 苏州艾柏特精密机械有限公司 | Double-screw compressor rotor preparation method |
| CN106762667A (en) * | 2017-01-24 | 2017-05-31 | 杭州久益机械股份有限公司 | A kind of water lubrication screw air compressor and air compression method |
| CN108916048A (en) * | 2018-08-23 | 2018-11-30 | 中山市捷科能机电科技有限公司 | A kind of wear-resistant self-lubricating rotor and double-screw compressor of spraying water |
| CN109441814A (en) * | 2018-12-29 | 2019-03-08 | 无锡五洋赛德压缩机有限公司 | Novel screw compressor |
| CN209990636U (en) * | 2019-04-19 | 2020-01-24 | 烟台菱辰能源有限公司 | Gear-free screw oil-free air compressor for fuel cell |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307154A (en) * | 2019-07-15 | 2019-10-08 | 烟台菱辰能源有限公司 | A kind of roots-type hydrogen gas circulating pump |
| CN110319004A (en) * | 2019-07-15 | 2019-10-11 | 烟台菱辰能源有限公司 | A kind of claw hydrogen gas circulating pump |
| CN110230592A (en) * | 2019-07-30 | 2019-09-13 | 浙江博大泵业有限公司 | A kind of Quimby pump that metal screw is used with the pairing of line with rubber screw rod |
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Address after: 264000 south of xingjiazhuang village, Tingkou Town, Qixia City, Yantai City, Shandong Province Applicant after: Yantai Dongde Hydrogen Energy Technology Co., Ltd Address before: Room 1201, 12th floor, Building C, Yida Zhihui Valley, 300 Changjiang Road, Yantai Economic and Technological Development Zone, Shandong Province, 264000 Applicant before: YANTAI LINGCHEN ENERGY Co.,Ltd. |