CN209488323U - Automobile fuel pump motor - Google Patents

Automobile fuel pump motor Download PDF

Info

Publication number
CN209488323U
CN209488323U CN201920574030.1U CN201920574030U CN209488323U CN 209488323 U CN209488323 U CN 209488323U CN 201920574030 U CN201920574030 U CN 201920574030U CN 209488323 U CN209488323 U CN 209488323U
Authority
CN
China
Prior art keywords
hole
front cover
screw
carbon brush
bearing
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.)
Active
Application number
CN201920574030.1U
Other languages
Chinese (zh)
Inventor
王庆汉
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.)
Zhejiang Zhengke Motor Co Ltd
Original Assignee
Zhejiang Zhengke Motor Co Ltd
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 Zhejiang Zhengke Motor Co Ltd filed Critical Zhejiang Zhengke Motor Co Ltd
Priority to CN201920574030.1U priority Critical patent/CN209488323U/en
Application granted granted Critical
Publication of CN209488323U publication Critical patent/CN209488323U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Motor Or Generator Current Collectors (AREA)

Abstract

The utility model relates to a kind of automobile fuel pump motors, including front cover, rear cover, casing, rotor, the preceding snap ring for the protrusion being adapted to casing end face inner wall is formed on the inside of front cover, front cover forms seal groove before a circle outside preceding snap ring, preceding sealing ring is provided in preceding seal groove, the rear snap ring for the protrusion being adapted to casing end face inner wall is formed on the inside of the rear cover, rear cover forms seal groove after a circle outside rear snap ring, rear sealing ring is provided in seal groove afterwards, the axis hole at front cover center includes being arranged in inside, the bearing hole of major diameter and setting are in outside, the sealing hole of minor diameter, bearing is provided in bearing hole, cotton circle is provided on the inside of bearing, backbone sealing ring is provided in sealing hole, rotor central spindle passes through the center of bearing and backbone sealing ring, conducting wire is connected on the outside of rear cover, bellows is provided on conducting wire, filled with close between bellows and rear cover Sealing.The utility model guarantees leakproofness by a series of seal approach, while convenient for assembly.

Description

Automobile fuel pump motor
Technical field
The utility model relates to a kind of motor, especially a kind of automobile fuel pump motor.
Background technique
Automobile fuel pump motor is that the motor of pressure is provided for engine fuel injection system.Automobile fuel pump electric machine casing is by more Duan Zucheng, shell are sealed in connection using sealing ring, and existing sealing ring setting is unreasonable, and sealing effect is bad;And And using double carbon brush, the stability of motor is poor, is easy to lead to seal failure because of vibration.
Summary of the invention
In order to solve the deficiencies in the prior art, the utility model provides that a kind of structure is simple, vapour of good airproof performance Vehicle Oil pump electrical machinery.
To achieve the above object, the utility model is a kind of automobile fuel pump motor, including front cover, rear cover, casing, rotor, Carbon brush, front cover setting are provided with carbon brush holder in casing front end, rear cover setting on the inside of casing rear end, rear cover, and carbon brush is arranged in carbon On brush holder, rotor is arranged in casing, and rotor rear end is provided with commutator, and commutator is connect with carbon brush, and there are four carbon brush, and four Carbon brush is arranged in " ten " font in commutator surrounding, and rotor front end center is provided with rotor central spindle, and front cover is centrally formed axis hole, turns Sub- central spindle passes through the axis hole of front cover, and the preceding snap ring for the protrusion being adapted to casing end face inner wall is formed on the inside of the front cover, and front cover exists One is formed outside preceding snap ring and encloses preceding seal groove, and preceding sealing ring is provided in preceding seal groove, is formed and casing end face on the inside of the rear cover The rear snap ring of the protrusion of inner wall adaptation, rear cover form seal groove after a circle outside rear snap ring, seal after being provided in rear seal groove Circle, the axis hole at front cover center include the sealing hole that internal, major diameter bearing hole is arranged in and outside, minor diameter is arranged in, axis It is provided with bearing in bearing bore, is provided with cotton circle on the inside of bearing, backbone sealing ring is provided in sealing hole, rotor central spindle passes through bearing With the center of backbone sealing ring, rear cover outside is connected with conducting wire, bellows is provided on conducting wire, is filled between bellows and rear cover There is sealant.
The utility model be further arranged to it is described after cover and be provided with screw through-hole, be provided with screw hole in screw through-hole Sealing ring corresponds to screw through-hole on front cover and forms screw hole, and setting screw passes through screw through-hole and is connected on screw hole, carbon brush holder The flight for bypassing screw is formed at screw through-hole.
The utility model is further arranged to be provided with exterior seal ring on the outside side wall of the front cover.
The utility model is further arranged on the carbon brush holder filled with sealant.
The utility model has the beneficial effects that sealing ring is arranged on contact surface between casing and front/rear cover, pass through spiral shell Silk tenses front cover and rear cover, guarantees the sealing effect of sealing ring;Cotton circle is set outside the bearing of front cover and backbone sealing ring realizes axis Sealing between core and front cover;Setting screw hole sealing ring in the screw through-hole passed through for screw is covered afterwards, guarantees screw through-hole Sealing;Filling with sealant guarantees the sealing at conducting wire between rear cover and the bellows of conducting wire.The utility model passes through above-mentioned one The seal approach of series guarantees leakproofness, while convenient for assembly.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model specific embodiment.
Fig. 2 is the axial sectional view of the utility model specific embodiment.
Fig. 3 is the radial cross-section of the utility model specific embodiment.
Specific embodiment
As shown in Figure 1-Figure 3, specific embodiment of the utility model is a kind of automobile fuel pump motor, including front cover 1, rear cover 2, casing 3, rotor 4, carbon brush 5, the setting of front cover 1 are provided on the inside of 3 rear end of casing, rear cover 2 in 3 front end of casing, the setting of rear cover 2 Carbon brush holder 6, carbon brush 5 are arranged on carbon brush holder 6, and rotor 4 is arranged in casing 3, and 4 rear end of rotor is provided with commutator 7, commutator 7 connect with carbon brush 5, and there are four carbon brush 5, and four carbon brush 5 are arranged in " ten " font in 7 surrounding of commutator, and 4 front end center of rotor is set It is equipped with rotor central spindle 8, front cover 1 is centrally formed axis hole, and axis hole includes that internal, major diameter bearing hole 11 and setting is arranged in outside Portion, minor diameter sealing hole 14, be provided with bearing 12 in bearing hole 11, be provided with cotton circle 13 on the inside of bearing 12, in sealing hole 14 It is provided with backbone sealing ring 15, rotor central spindle 8 passes through the center of bearing 12 and backbone sealing ring 15, formation and machine on the inside of front cover 1 The preceding snap ring 16 of the protrusion of 3 end face inner wall of shell adaptation, front cover 1 form seal groove 17 before a circle, preceding seal groove outside preceding snap ring 16 It is provided with preceding sealing ring 18 in 17, is provided with exterior seal ring 19 on the outside side wall of front cover 1.It is formed and 3 end of casing on the inside of rear cover 2 The rear snap ring 21 of the protrusion of face inner wall adaptation, rear cover 2 form seal groove 22 after a circle outside rear snap ring 21, set in rear seal groove 22 It is equipped with rear sealing ring 23, conducting wire 9 is connected on the outside of rear cover 2, bellows 91 is provided on conducting wire 9, between bellows 91 and rear cover 2 Filled with external seal glue 24.
It is provided with screw through-hole 25 on rear cover 2, screw hole sealing ring 26 is provided in screw through-hole 25, is corresponded on front cover 1 Screw through-hole 25 forms screw hole 10, and setting screw 27 passes through screw through-hole 25 and is connected on screw hole 10, and carbon brush holder 6 is in screw The flight 61 for bypassing screw 27 is formed at through-hole 25, is filled with interior sealant 62 on carbon brush holder 6.
Above-described embodiment is the better embodiment of the utility model, other obvious changes are in the utility model Protection scope in.

Claims (4)

1. a kind of automobile fuel pump motor, including front cover, rear cover, casing, rotor, carbon brush, front cover is arranged in casing front end, and rear cover is set It sets and is provided with carbon brush holder on the inside of casing rear end, rear cover, carbon brush is arranged on carbon brush holder, and rotor is arranged in casing, after rotor End is provided with commutator, and commutator is connect with carbon brush, and there are four carbon brush, and four carbon brush are arranged in " ten " font in commutator four Week, rotor front end center are provided with rotor central spindle, and front cover is centrally formed axis hole, and rotor central spindle passes through the axis hole of front cover, feature It is: forms the preceding snap ring for the protrusion being adapted to casing end face inner wall on the inside of the front cover, front cover forms a circle outside preceding snap ring Preceding seal groove is provided with preceding sealing ring in preceding seal groove, forms the protrusion being adapted to casing end face inner wall on the inside of the rear cover Snap ring afterwards, rear cover form seal groove after a circle outside rear snap ring, are provided with rear sealing ring, the axis hole at front cover center in rear seal groove Including the bearing hole of internal, major diameter is arranged in and external, minor diameter sealing hole is arranged in, it is provided with bearing in bearing hole, It is provided with cotton circle on the inside of bearing, backbone sealing ring is provided in sealing hole, rotor central spindle passes through in bearing and backbone sealing ring The heart, rear cover outside are connected with conducting wire, bellows are provided on conducting wire, and sealant is filled between bellows and rear cover.
2. automobile fuel pump motor according to claim 1, it is characterised in that: it is covered after described and is provided with screw through-hole, spiral shell It is provided with screw hole sealing ring in silk through-hole, screw through-hole is corresponded on front cover and forms screw hole, setting screw passes through screw through-hole It is connected on screw hole, the flight that carbon brush holder is formed at screw through-hole around screw.
3. automobile fuel pump motor according to claim 1 or 2, it is characterised in that: be arranged on the outside side wall of the front cover There is exterior seal ring.
4. automobile fuel pump motor according to claim 2, it is characterised in that: be filled with sealant on the carbon brush holder.
CN201920574030.1U 2019-04-25 2019-04-25 Automobile fuel pump motor Active CN209488323U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920574030.1U CN209488323U (en) 2019-04-25 2019-04-25 Automobile fuel pump motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920574030.1U CN209488323U (en) 2019-04-25 2019-04-25 Automobile fuel pump motor

Publications (1)

Publication Number Publication Date
CN209488323U true CN209488323U (en) 2019-10-11

Family

ID=68135624

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920574030.1U Active CN209488323U (en) 2019-04-25 2019-04-25 Automobile fuel pump motor

Country Status (1)

Country Link
CN (1) CN209488323U (en)

Similar Documents

Publication Publication Date Title
CN202871582U (en) Film capacitor for deep-well pump motor and deep-well pump motor with built-in film capacitor
CN102082479A (en) Flameproof face structure for explosion-proof motor
CN209488323U (en) Automobile fuel pump motor
CN206401613U (en) A kind of full water-proof type buckle electric connector
CN203584882U (en) Padding and mechanical sealing universal double entry pump
CN209419359U (en) Sealing structure of motor and motor
CN205070654U (en) Motor shell
CN205792006U (en) A kind of motor being provided with rotary transformer
CN202276225U (en) Motor of high-pressure cleaner
CN211259581U (en) Bearing sealing end cover of speed reducer
CN208862668U (en) A kind of sealing structure of motor output shaft
CN210133120U (en) Low-floor vehicle, bogie and shaft end waterproof structure thereof
CN201478899U (en) Starter motor
CN202602442U (en) Water-proof motor
CN206054148U (en) A kind of intelligent fuel pump assembly of double noise reduction
CN208424056U (en) A kind of Wheel hub generator lead out wire structure
CN208445397U (en) A kind of electric vehicle waterproof motor
CN102394528B (en) Electrical motor of high pressure cleaning machine
CN212649284U (en) Sealing structure for integrally connecting lengthened machine head shaft and motor
CN205986417U (en) Split type electronic cover
CN206158900U (en) Fuel pump assembly with configuration commutator
CN209938609U (en) Low-floor vehicle, bogie and bearing sealing structure thereof
CN218976463U (en) Energy-saving waterproof motor and plug assembly thereof
CN221647102U (en) Rubber plug for vehicle-mounted compressor
CN206628929U (en) Waterproof machine with oil sealing dual lip configuration

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant