CN109340111A - A kind of leak detection air pump modular device - Google Patents

A kind of leak detection air pump modular device Download PDF

Info

Publication number
CN109340111A
CN109340111A CN201811038060.7A CN201811038060A CN109340111A CN 109340111 A CN109340111 A CN 109340111A CN 201811038060 A CN201811038060 A CN 201811038060A CN 109340111 A CN109340111 A CN 109340111A
Authority
CN
China
Prior art keywords
support plate
graphite
micro machine
air pump
leak detection
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.)
Pending
Application number
CN201811038060.7A
Other languages
Chinese (zh)
Inventor
钱义力
张敏
邱磊
潘忠林
汤旭炎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Jing Sheng Polytron Technologies Inc
Original Assignee
Wuxi Jing Sheng Polytron Technologies Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuxi Jing Sheng Polytron Technologies Inc filed Critical Wuxi Jing Sheng Polytron Technologies Inc
Priority to CN201811038060.7A priority Critical patent/CN109340111A/en
Publication of CN109340111A publication Critical patent/CN109340111A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/30Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/344Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C23/00Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/02Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C25/00Adaptations of pumps for special use of pumps for elastic fluids
    • F04C25/02Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C27/00Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/005Axial sealings for working fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C28/00Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/18Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the volume of the working chamber
    • F04C28/22Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00Components
    • F04C2240/20Rotors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00Components
    • F04C2240/40Electric motor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)

Abstract

Embodiment of the invention discloses a kind of leak detection air pump modular devices, including micro machine, contact pin portion is electrically connected on micro machine, the motor shaft side of micro machine is provided with graphite cover board, graphite cover board is provided with graphite runner far from the side of micro machine, at least one graphite vanes is provided on graphite runner, the first support plate is arranged on graphite runner, first support plate is provided with the second support plate far from the side of micro machine, airflow hole is provided in second support plate, the second support plate is provided with bushing far from the side of the first support plate.The present apparatus has the advantages that high-low temperature resistant, good airproof performance, can in various environment normal use, and the graphite material used damps small, lubricity, for the present apparatus without stuck point, structure is simple, it is easy to operate, securely and reliably, and long service life, production cost are low, the present apparatus uses fit clearance between components and eccentric structure adjusts vacuum degree size, makes to realize that the adjusting of vacuum degree is more easier.

Description

A kind of leak detection air pump modular device
Technical field
The present invention relates to fuel tank testing equipment fields, and in particular to a kind of leak detection air pump modular device.
Background technique
Currently, the discharge in order to inhibit automobile harmful gas, has special environmental regulation to discharge fuel evaporation object and carries out Limitation formulates there are many country and has put into effect quite harsh automobile environment-protection discharge standard and policy, when there are micro- for fuel tank When Small leak, it can be limited far beyond regulation by the steam that leak is discharged, and fuel tank exhaust system leak detection Device is the technical solution solved for above-mentioned problem.
In leak detecting device, air pump module is most important, electronic vane type of traditional air pump etc., used Conductive material is mostly metal-blade, especially when air pump works in harsh environments, resistant of high or low temperature, and conduction Leakproofness it is poor, the structure of existing air pump module equally exists unreasonable place, it cannot be guaranteed that leakproofness, Bu Nengyou The adjusting vacuum degree of effect.
Summary of the invention
To solve the above-mentioned problems in the prior art, the present invention provides a kind of leak detection air pump module dresses It sets, which is characterized in that including micro machine, contact pin portion, the motor shaft side of the micro machine are electrically connected on the micro machine It is provided with graphite cover board, the graphite cover board is provided with graphite runner far from the side of the micro machine, on the graphite runner It is provided at least one graphite vanes, the first support plate is arranged on the graphite runner, first support plate is far from described The side of micro machine is provided with the second support plate, and airflow hole is provided in second support plate, and second support plate is separate The side of first support plate is provided with bushing.
Further, the graphite cover board is connect with the micro machine by upper mounting disc.
Further, second support plate is provided with lower mounting disc far from the side of first support plate.
Further, the motor shaft of the micro machine passes through the graphite cover board, the graphite runner and first described Fagging, the graphite cover board, the graphite runner, first support plate and the micro machine eccentric setting.
Further, the contact pin portion includes the first contact pin and the second contact pin of different size, and the micro machine passes through institute Contact pin portion is stated to be connected with External leakage detection device.
Further, the graphite vanes are arranged on the side wall of the graphite runner.
Further, the bushing and second support plate and the micro machine eccentric setting.
Further, the both ends of the bushing are provided with sealing ring.
Further, the bushing protrudes into second support plate after passing through the lower mounting disc, the bushing and institute State lower mounting disc eccentric setting.
Further, it is provided at least one bolt in the lower mounting disc, and by the bolt by the lower installation Disk, second support plate, first support plate, the graphite cover board are connected with the upper mounting disc.
The utility model has the advantages that
A kind of leak detection air pump modular device provided in the embodiment of the present invention has high-low temperature resistant, leakproofness Good advantage, can in various environment normal use, and the graphite material used damps small, lubricity, the present apparatus without stuck point, Structure is simple, easy to operate, securely and reliably, and long service life, production cost is low, and the present apparatus uses the cooperation between components Gap and eccentric structure adjust vacuum degree size, make to realize that the adjusting of vacuum degree is more easier.
Detailed description of the invention
Fig. 1 is a kind of explosive view of the embodiment of leak detection air pump modular device of the present invention;
Fig. 2 is a kind of side view of the embodiment of leak detection air pump modular device of the present invention;
Fig. 3 is a kind of cross-sectional view of the embodiment of leak detection air pump modular device of the present invention;
Fig. 4 is a kind of top view of the embodiment of leak detection air pump modular device of the present invention;
Fig. 5 is a kind of structural schematic diagram of the embodiment of leak detection air pump modular device of the present invention.Wherein:
1- micro machine;The first contact pin of 2-;The second contact pin of 3-;The upper mounting disc of 4-;5- screw;6- graphite cover board;7- graphite turns Wheel;8- graphite vanes;The first support plate of 9-;The second support plate of 10-;Mounting disc under 11-;12- bolt;13- sealing ring;14- lining Set.
Specific embodiment
Technical solution of the present invention is discussed in detail with reference to the accompanying drawing.
Embodiment 1
As shown in Figs. 1-5, a kind of leak detection air pump modular device, including micro machine 1, on the micro machine 1 electrically It is connected with contact pin portion, the motor shaft side of the micro machine 1 is provided with graphite cover board 6, and the graphite cover board 6 is far from micro- electricity The side of machine 1 is provided with graphite runner 7, at least one graphite vanes 8, the graphite runner 7 are provided on the graphite runner 7 On be arranged with the first support plate 9, first support plate 9 is provided with the second support plate 10, institute far from the side of the micro machine 1 It states and is provided with airflow hole in the second support plate 10, second support plate 10 is provided with far from the side of first support plate 9 Bushing 14.
Further, the graphite cover board 6, the graphite runner 7, the graphite vanes 8,9 and of the first support plate Second support plate 10 is made of graphite material, and graphite has leakproofness, and vacuum pressure will not leak, graphite material Lubricity it is good, damp it is very small, the binding force between graphite material is very small, so being not in the case where working long hours Phenomena such as stuck, clamping stagnation.
Further, the graphite runner 7 is connected with the motor shaft of the micro machine 1, and the graphite runner 7 can be with The motor shaft of the micro machine 1 rotates.
Further, the motor shaft of the micro machine 1 passes through the graphite cover board 6, the graphite runner 7 and described first Support plate 9, and protrude into second support plate 10.
The graphite cover board 6 is connect with the micro machine 1 by upper mounting disc 4.
Further, the cross-sectional area of the graphite cover board 6 is greater than the cross-sectional area of the micro machine 1.
Further, the micro machine 1 is fixed on the upper mounting disc 4 by screw 5.
Further, the quantity of the screw 5 is three, is circumferentially uniformly distributed in the upper mounting disc 4.
Further, the motor shaft of the micro machine 1 passes through the upper mounting disc 4.
Further, when the graphite runner 7 and the graphite vanes 8 drive rotation by the micro machine 1, the graphite The gap of the motor shaft of blade 8 and the micro machine 1 is 0.03mm-0.09mm.
Second support plate 10 is provided with lower mounting disc 11 far from the side of first support plate 9.
Further, the bushing 14 protrudes into second support plate 10 after passing through the lower mounting disc 11.
The motor shaft of the micro machine 1 passes through the graphite cover board 6, the graphite runner 7 and first support plate 9, The graphite cover board 6, the graphite runner 7, first support plate 9 and 1 eccentric setting of micro machine.
Specifically, it is set in the graphite cover board 6, the graphite runner 7, first support plate 9 and the upper mounting disc 4 It is equipped with the through-hole passed through for the motor shaft of the micro machine 1, the through-hole eccentric setting.
Further, the groove penetrated for the motor shaft of the micro machine 1 is provided in second support plate 10, it is described Groove is not overlapped with the center of second support plate 10.
Further, the through-hole alignment on the groove and first support plate 9.
The contact pin portion includes the first contact pin 2 and the second contact pin 3 of different size, and the micro machine 1 passes through the contact pin Portion is connected with External leakage detection device.
Further, the width of first contact pin 2 and second contact pin 3 is inconsistent, plays mistake proofing, protection micro machine 1 effect.
Further, first support plate 9 is eccentric structure, can pass through the eccentricity of adjusting first support plate 9 From come realize adjust air pump produced by vacuum degree pressure size.
The graphite vanes 8 are arranged on the side wall of the graphite runner 7.
Further, the quantity of the graphite vanes 8 is four, and four graphite vanes 8 be evenly distributed on it is described The side wall of graphite runner 7.
Further, the graphite vanes 8 are vertically connected in the side wall of the graphite runner 7.
The bushing 14 and 1 eccentric setting of second support plate 10 and the micro machine.
Specifically, the central axes of the bushing 14 are not overlapped with the central axes of second support plate 10, while the lining The central axes of set 14 are not also overlapped with the central axes of the motor shaft of the micro machine 1.
The both ends of the bushing 14 are provided with sealing ring 13.
Further, the bushing 14 is provided with sealing ring 13 close to one end of the lower installation board, and the bushing 14 is remote One end from the lower installation board is provided with sealing ring 13.
The bushing 14 pass through the lower mounting disc 11 after protrude into second support plate 10, the bushing 14 with it is described Lower 11 eccentric setting of mounting disc.
Specifically, the central axes of the bushing 14 are not overlapped with the central axes of the lower mounting disc 11.
It is provided at least one bolt 12 in the lower mounting disc 11, and by the bolt 12 by the lower mounting disc 11, second support plate 10, first support plate 9, the graphite cover board 6 are connected with the upper mounting disc 4.
Further, the quantity of the bolt 12 be three, three bolts 12 sequentially pass through the lower mounting disc 11, Second support plate 10, first support plate 9, the graphite cover board 6 and the upper mounting disc 4, and be fixed on described In mounting disc 4.
When connection, the conducting wire of the micro machine 1 is first welded in first contact pin 2 and second contact pin 3, it will be described Micro machine 1 and the upper mounting disc 4 are connected to a fixed by three screws 5, and the upper mounting disc 4 is affixed on the graphite cover board 6, the graphite cover board 6 is affixed on graphite runner 7, and be packed into the graphite vanes 8 in the side wall of the graphite runner 7, then will First support plate 9 is affixed on the second support plate 10 on the graphite runner 7 by the notch of first support plate 9, will It is affixed on the lower mounting disc 11 in second support plate 10, sequentially passes through the lower mounting disc 11, described by 3 bolts 12 Second support plate 10, first support plate 9, the graphite cover board 6 and the upper mounting disc 4, but not tighten first, pass through tune It saves after first support plate 9 generates desired vacuum degree, then three bolts 12 are tightened, finally loads onto the bushing 14, and the sealing ring 13 is loaded onto respectively at the both ends of the bushing 14.
A kind of leak detection air pump modular device provided in the embodiment of the present invention has high-low temperature resistant, leakproofness Good advantage, can in various environment normal use, and the graphite material used damps small, lubricity, the present apparatus without stuck point, Structure is simple, easy to operate, securely and reliably, and long service life, production cost is low, and the present apparatus uses the cooperation between components Gap and eccentric structure adjust vacuum degree size, make to realize that the adjusting of vacuum degree is more easier.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention, Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features. All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention Within protection scope.

Claims (10)

1. a kind of leak detection air pump modular device, which is characterized in that including micro machine, be electrically connected on the micro machine Contact pin portion, the motor shaft side of the micro machine are provided with graphite cover board, the side of the graphite cover board far from the micro machine It is provided with graphite runner, at least one graphite vanes is provided on the graphite runner, is arranged with first on the graphite runner Support plate, first support plate are provided with the second support plate far from the side of the micro machine, set in second support plate It is equipped with airflow hole, second support plate is provided with bushing far from the side of first support plate.
2. a kind of leak detection air pump modular device according to claim 1, which is characterized in that the graphite cover board with The micro machine is connected by upper mounting disc.
3. a kind of leak detection air pump modular device according to claim 1, which is characterized in that second support plate Side far from first support plate is provided with lower mounting disc.
4. a kind of leak detection air pump modular device according to claim 1, which is characterized in that the electricity of the micro machine Arbor pass through the graphite cover board, the graphite runner and first support plate, the graphite cover board, the graphite runner, First support plate and the micro machine eccentric setting.
5. a kind of leak detection air pump modular device according to claim 1, which is characterized in that the contact pin portion includes First contact pin and the second contact pin of different size, the micro machine are connected by the contact pin portion with External leakage detection device It connects.
6. a kind of leak detection air pump modular device according to claim 1, which is characterized in that the graphite vanes are set It sets on the side wall of the graphite runner.
7. a kind of leak detection air pump modular device according to claim 3, which is characterized in that the bushing with it is described Second support plate and the micro machine eccentric setting.
8. a kind of leak detection air pump modular device according to claim 1, which is characterized in that the both ends of the bushing It is provided with sealing ring.
9. a kind of leak detection air pump modular device according to claim 3, which is characterized in that the bushing passes through institute It is protruded into second support plate after stating lower mounting disc, the bushing and the lower mounting disc eccentric setting.
10. a kind of leak detection air pump modular device according to claim 3, which is characterized in that the lower mounting disc On be provided at least one bolt, and by the bolt by the lower mounting disc, second support plate, first support Plate, the graphite cover board are connected with the upper mounting disc.
CN201811038060.7A 2018-09-06 2018-09-06 A kind of leak detection air pump modular device Pending CN109340111A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811038060.7A CN109340111A (en) 2018-09-06 2018-09-06 A kind of leak detection air pump modular device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811038060.7A CN109340111A (en) 2018-09-06 2018-09-06 A kind of leak detection air pump modular device

Publications (1)

Publication Number Publication Date
CN109340111A true CN109340111A (en) 2019-02-15

Family

ID=65292332

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811038060.7A Pending CN109340111A (en) 2018-09-06 2018-09-06 A kind of leak detection air pump modular device

Country Status (1)

Country Link
CN (1) CN109340111A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110374872A (en) * 2019-08-28 2019-10-25 南通晨光石墨设备有限公司 Blower

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4050855A (en) * 1975-02-26 1977-09-27 Nippon Piston Ring Kabushiki Kaisha Dry air rotary pump or compressor
CN1478033A (en) * 2000-12-08 2004-02-25 Device for emptying food storage container which can be sealed by means of valve
JP2005076616A (en) * 2003-09-04 2005-03-24 Zexel Valeo Climate Control Corp Vane type compressor
CN1942670A (en) * 2004-06-28 2007-04-04 松下电器产业株式会社 Air pump
CN1987105A (en) * 2005-12-21 2007-06-27 比亚迪股份有限公司 Micro air pump
CN200940570Y (en) * 2006-08-09 2007-08-29 镇江市永泰汽车配件制造有限公司 Vacuum pump
CN201705668U (en) * 2010-06-10 2011-01-12 青岛崂山电子仪器总厂有限公司 Direct-current brushless gas sampling pump
CN203114560U (en) * 2012-12-19 2013-08-07 李百峰 Vacuum air pump
CN203867896U (en) * 2014-05-08 2014-10-08 武汉市林海仪器设备工程有限公司 Cantilever beam type gas sampling pump
CN206035814U (en) * 2016-08-30 2017-03-22 杭州斯柯特机电有限公司 Supplementary vacuum pump
CN207246016U (en) * 2017-09-29 2018-04-17 阜新德尔汽车部件股份有限公司 Automobile-used braking system is without sensing brush-less Dc motor vacuum pump

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4050855A (en) * 1975-02-26 1977-09-27 Nippon Piston Ring Kabushiki Kaisha Dry air rotary pump or compressor
CN1478033A (en) * 2000-12-08 2004-02-25 Device for emptying food storage container which can be sealed by means of valve
JP2005076616A (en) * 2003-09-04 2005-03-24 Zexel Valeo Climate Control Corp Vane type compressor
CN1942670A (en) * 2004-06-28 2007-04-04 松下电器产业株式会社 Air pump
CN1987105A (en) * 2005-12-21 2007-06-27 比亚迪股份有限公司 Micro air pump
CN200940570Y (en) * 2006-08-09 2007-08-29 镇江市永泰汽车配件制造有限公司 Vacuum pump
CN201705668U (en) * 2010-06-10 2011-01-12 青岛崂山电子仪器总厂有限公司 Direct-current brushless gas sampling pump
CN203114560U (en) * 2012-12-19 2013-08-07 李百峰 Vacuum air pump
CN203867896U (en) * 2014-05-08 2014-10-08 武汉市林海仪器设备工程有限公司 Cantilever beam type gas sampling pump
CN206035814U (en) * 2016-08-30 2017-03-22 杭州斯柯特机电有限公司 Supplementary vacuum pump
CN207246016U (en) * 2017-09-29 2018-04-17 阜新德尔汽车部件股份有限公司 Automobile-used braking system is without sensing brush-less Dc motor vacuum pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110374872A (en) * 2019-08-28 2019-10-25 南通晨光石墨设备有限公司 Blower

Similar Documents

Publication Publication Date Title
CN109340111A (en) A kind of leak detection air pump modular device
CN107588100B (en) Combined bearing of photovoltaic tracker and manufacturing method thereof
CN108168491A (en) A kind of erecting device for being used to measure turbine blade-tip gap sensor
CN101392834A (en) Hermetic sealing steam baffle structure
CN110631789B (en) Test method for vibration fatigue test of composite stator blade
CN213274696U (en) Integral dynamic balance auxiliary device for fan stator
CN211525563U (en) Fast-assembling central line opposite clamping formula butterfly valve
CN102944468A (en) Water pressure test sealing device of anti-explosion motor base
CN110671356B (en) Sealing structure of horizontal split pump and mounting method thereof
CN207989261U (en) Seal protecting device, seal protection component and compressor cylinder holder assembly
CN216617686U (en) Gas turbine's seal assembly and gas turbine
CN214692157U (en) Easy-to-disassemble combined rotary valve
CN207818788U (en) A kind of short heap assembly system of fuel cell
CN201352172Y (en) Blast pipe connector switching subassembly
CN217292160U (en) Installation tool for static blade graphite bearing of turbine compressor
CN208778169U (en) Vacuum pump easy to maintenance
CN218510154U (en) Special sealing ring for excitation generator
CN202939089U (en) Sealing device for water pressure test of explosion-proof motor seat
CN219535761U (en) Sealing structure of motor
CN209925707U (en) Self-closing valve for combustible gas
CN218624642U (en) Static scroll assembly for electric scroll compressor
CN220525270U (en) Stator blade vibration fatigue test fixture
CN218885038U (en) Experimental device for be used for fan-shaped class part air mass flow test
CN216856561U (en) Mix quick-witted steam seal device and mix machine
CN204477506U (en) A kind of integral wire flange plate

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20190215