CN209552988U - A kind of self-locking changes motor structure and electric car - Google Patents

A kind of self-locking changes motor structure and electric car Download PDF

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Publication number
CN209552988U
CN209552988U CN201822014378.3U CN201822014378U CN209552988U CN 209552988 U CN209552988 U CN 209552988U CN 201822014378 U CN201822014378 U CN 201822014378U CN 209552988 U CN209552988 U CN 209552988U
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CN
China
Prior art keywords
tappet
self
connecting rod
motor structure
sliding block
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Active
Application number
CN201822014378.3U
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Chinese (zh)
Inventor
韩旭
吴泽勋
王德远
郝庆全
孙辉
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Zhejiang Jizhi New Energy Automobile Technology Co Ltd
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Zhejiang Jizhi New Energy Automobile Technology Co Ltd
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Priority to CN201822014378.3U priority Critical patent/CN209552988U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

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  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

The utility model discloses a kind of self-lockings to change motor structure, including pedestal, two sliding blocks, tappet, limit assembly, bolt and two connecting rods, tappet one end is slidably connected with limit assembly, the other end and two sliding blocks form the cavity for accommodating bolt, and tappet can move up and down relative to limit assembly;Connecting rod one end and sliding block are rotatablely connected, and the waist of the other end and tappet is rotatablely connected;It is set on pedestal there are two sliding slot, is equipped with a sliding block in each sliding slot, sliding block horizontally slips in sliding slot;Bolt with battery pack for being fixedly connected;A kind of electric car is also disclosed, including self-locking changes motor structure and changes electric rack beams;The utility model is fixed using spring return function, card slot, the replacement of the principles such as connecting rod, slide block movement realization battery pack, change electrical efficiency height, battery pack unloading, installation and fixation can be completed in a short time changes electric process, and guarantee the safety in vehicle travel process and durability, and frequently change the accuracy and reliability under electronic work.

Description

A kind of self-locking changes motor structure and electric car
Technical field
The utility model relates to battery replacement of electric automobile technical fields more particularly to a kind of self-locking to change motor structure and electricity Electrical automobile.
Background technique
In recent years, the severe situation increasingly to warm in face of traditional energy increasingly imbalance of supply and demand, global climate, various countries add one after another Greatly to the dynamics of new energy and new energy technology development and application.Electric car has and makes an uproar as a kind of new energy vehicles Sound is low, energy utilization rate is high, without the features such as exhaust gas discharges is moved, and becomes one of the strategic emerging industries of China's emphasis support. Energy resource supply mode is the important link in electric vehicle industrial chain, directly determines the development lifeblood of the industry.
As electric car enters market, course continuation mileage utilizes compared to transmission automobile and adds as the bottleneck for hindering its development Oil continuation of the journey, power electric car packet quick change, which becomes, solves one of insufficient development trend of electric vehicle course continuation mileage.
Current battery guarantee replacement electricity be broadly divided into side change electricity and bottom change the modes such as electricity, change motor structure and be divided into semifixed bolt Fastening means, a variety of implementations such as ratchet snap and connecting rod slider mode;The two is compared, and it is lower that electric cost is changed on chassis, Properties are more preferable.It is very high that difficult point is that requirement of the electricity to bindiny mechanism is changed on chassis, to have quick change latch functions.
Currently, that there are mechanisms is complicated, locking poor reliability, changes electricity for most of fast quick change electric system of electric car in the market The problems such as low efficiency, business application difficulty are high.
Utility model content
In order to solve the above-mentioned technical problem, point, self-locking disclosed by the utility model change motor structure, adopt in view of the above problems It is fixed with spring return function, card slot, the principles such as connecting rod, slide block movement and inclined-plane carrying realize the replacement of battery pack, change electrical efficiency Height, and securely and reliably can efficiently carry out battery pack replacement.
In order to reach above-mentioned purpose of utility model, the utility model provides a kind of self-locking and changes motor structure, including pedestal, Two sliding blocks, tappet, limit assembly, bolt and two connecting rods, described tappet one end is slidably connected with the limit assembly, another End forms the cavity for accommodating the bolt with two sliding blocks, and the tappet can be transported up and down relative to the limit assembly It is dynamic;
Described connecting rod one end and the sliding block are rotatablely connected, and the waist of the other end and the tappet is rotatablely connected;
It is set on the pedestal there are two sliding slot, is equipped with a sliding block in each sliding slot, the sliding block is in the cunning It horizontally slips in slot;
The bolt with battery pack for being fixedly connected.
Further, the limit assembly includes solenoid valve and spacer pin, and the spacer pin is mounted on by limit spring In the axial central through hole of the tappet, the spacer pin is according to the effect of the solenoid valve along the central through hole axis of the tappet To sliding;
The tappet is arranged in the axial central through hole of the solenoid valve.
Further, the connecting rod close to one end of the tappet be equipped with spacer pin card slot, the spacer pin card slot with The spacer pin forms joinery and its construction close to one end of the connecting rod.
Preferably, one end of the connecting rod is connected by link pin with the waist of the tappet, and the connecting rod can be around described Link pin rotation;
The other end of the connecting rod is connected by slider pin with the sliding block, and the connecting rod can be rotated around the slider pin.
Preferably, the junction of the link pin and the connecting rod and the tappet is equipped with wear-resistant gasket;
The junction of the slider pin and the connecting rod and the sliding block is equipped with wear-resistant gasket.
Further, the sliding block is equipped with sliding block return spring, the sliding block return spring one far from described connecting rod one end End is connect with the sliding slot far from the cell wall of another sliding slot, and the other end is fixedly connected with the sliding block.
Further, the pedestal includes mirror surface setting and the identical first shell of structure and second shell, and described first Shell is fixedly connected with the second shell, and the top of the pedestal is arranged in the solenoid valve.
Further, be all provided at the top of the first shell and the second shell it is fluted, the first shell and The second shell is fixedly connected by stay bolt with lag bolt, and two groove types exist at notch, the solenoid valve setting In the notch, the solenoid valve is solid by the top surface of solenoid valve fastening bolt and the first shell and the second shell Fixed connection.
The utility model discloses a kind of electric car, including self-locking changes motor structure and changes electric rack beams, the self-locking Changing motor structure is that self-locking described above changes motor structure, and the pedestal that the self-locking changes on motor structure changes electric bracket with described Beam is fixedly connected, the vehicle bottom changed electric rack beams and electric car is arranged in.
Preferably, the pedestal is changed electric rack beams and is fixedly connected by stay bolt with described.
Implement the utility model embodiment, has the following beneficial effects:
1, self-locking disclosed by the utility model changes motor structure, is fixed using spring return function, card slot, connecting rod, slide block movement The principles such as and inclined-plane carrying realize the replacement of battery pack, change electrical efficiency height, and securely and reliably can efficiently carry out battery pack Replacement;
2, self-locking disclosed by the utility model changes motor structure, can be completed in a short time battery pack unloading, battery pack Installation, what battery pack was fixed changes electric process, and guarantees the safety in vehicle travel process and durability, and frequently change electricity Accuracy and reliability under movement;
3, self-locking disclosed by the utility model changes motor structure, and structure is simple, reasonable stress, replacement is convenient and safety can It leans on.
Detailed description of the invention
Motor structure and electric car are changed in order to illustrate more clearly of self-locking described in the utility model, it below will be to implementation Attached drawing required for example is briefly described, it should be apparent that, the accompanying drawings in the following description is only some of the utility model Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these Figure obtains other attached drawings.
Fig. 1 is the explosive view that self-locking changes motor structure;
Fig. 2 is the schematic diagram of internal structure that self-locking changes motor structure;
Fig. 3 is the schematic diagram of the section structure that self-locking changes motor structure;
Fig. 4 is the structural schematic diagram that self-locking changes motor structure;
Fig. 5 is the structural schematic diagram connecting with vehicle body that self-locking changes motor structure;
Fig. 6 is the schematic diagram combination that self-locking changes the disassembly of motor structure battery pack;
Fig. 7 is the schematic diagram combination that self-locking changes that the installation of motor structure battery pack clamps;
Wherein, appended drawing reference is corresponding in figure are as follows: 1- battery pack, 2- bolt, 3- change electric rack beams, 4- solenoid valve, 5- first Shell, 6- solenoid valve fastening bolt, 7- stay bolt, 8- lag bolt, 9- bolt fixing bolt, 10- second shell, 11- spacer pin, 12- limit spring, 13- link pin;14- tappet, 15- slider pin, 16- sliding block, 17- sliding block return spring, 18- wear-resistant gasket, 19- connecting rod, 20- sliding slot, 21- spacer pin card slot.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer Type is described in further detail.
Embodiment 1:
As shown in Figures 1 to 5: a kind of self-locking changes motor structure, including pedestal, two sliding blocks 16, tappet 14, limit group Part, bolt 2 and two connecting rods 19, described 14 one end of tappet are slidably connected with the limit assembly, the other end and two cunnings Block 16 forms the cavity for accommodating the bolt 2, and the tappet 14 can move up and down relative to the limit assembly;
Described 19 one end of connecting rod and the sliding block 16 are rotatablely connected, and the waist of the other end and the tappet 14 is rotatablely connected;
It is set on the pedestal there are two sliding slot 20, is equipped with a sliding block 16, the sliding block 16 in each sliding slot 20 It horizontally slips in the sliding slot 20;
The bolt 2 with battery pack for being fixedly connected.
Specifically, bolt 2 realizes the fixation to bolt 2 by two sliding blocks 16 and tappet 14 jointly in use; Be equipped on two sliding blocks 16 for the close-connected auxiliary section of bolt 2.
Specifically, the limit assembly includes solenoid valve 4 and spacer pin 11, the spacer pin 11 is pacified by limit spring 12 In the axial central through hole of the tappet 14, the spacer pin 11 is according to the effect of the solenoid valve 4 along the tappet 14 Central through hole slide axially;
The tappet 14 is arranged in the axial central through hole of the solenoid valve 4.
Preferably, the connecting rod 19 is equipped with spacer pin card slot 21, the spacer pin card slot close to one end of the tappet 14 21 form joinery and its construction close to one end of the connecting rod 19 with the spacer pin 11.
More specifically, the sliding block 16 is equipped with sliding block return spring 17 far from described 19 one end of connecting rod, and the sliding block returns Position 17 one end of spring is connect with the sliding slot 20 far from the cell wall of another sliding slot 20, and the other end is fixedly connected with the sliding block 16; The utility model is fixed using spring return function, card slot, and the principles such as connecting rod 19,16 kinematics of sliding block and inclined-plane carrying realize battery pack Electrical efficiency height is changed in 1 replacement, and securely and reliably can efficiently carry out the replacement of battery pack 1.
Embodiment 2: for the preferred embodiment of embodiment 1
As shown in Figures 1 to 5: a kind of self-locking changes motor structure, including pedestal, two sliding blocks 16, tappet 14, limit group Part, bolt 2 and two connecting rods 19, described 14 one end of tappet are slidably connected with the limit assembly, the other end and two cunnings Block 16 forms the cavity for accommodating the bolt 2, and the tappet 14 can move up and down relative to the limit assembly;
Described 19 one end of connecting rod and the sliding block 16 are rotatablely connected, and the waist of the other end and the tappet 14 is rotatablely connected;
It is set on the pedestal there are two sliding slot 20, is equipped with a sliding block 16, the sliding block 16 in each sliding slot 20 It horizontally slips in the sliding slot 20;
The bolt 2 with battery pack for being fixedly connected.
Specifically, bolt 2 realizes the fixation to bolt 2 by two sliding blocks 16 and tappet 14 jointly in use; Be equipped on two sliding blocks 16 for the close-connected auxiliary section of bolt 2.
Preferably, one end of the connecting rod 19 is connected by link pin 13 with the waist of the tappet 14, the connecting rod 19 It can be rotated around the link pin 13;
The other end of the connecting rod 19 is connected by slider pin 15 with the sliding block 16, and the connecting rod 19 can be around the sliding block Pin 15 rotates.
Further, the junction of the link pin 13 and the connecting rod 19 and the tappet 14 is equipped with wear-resistant gasket 18;The junction of the slider pin 15 and the connecting rod 19 and the sliding block 16 is equipped with wear-resistant gasket 18;Enhancement device it is resistance to Performance is ground, service life is increased.
Specifically, the limit assembly includes solenoid valve 4 and spacer pin 11, the spacer pin 11 passes through limit spring 12 It is mounted in the axial central through hole of the tappet 14, the spacer pin 11 is according to the effect of the solenoid valve 4 along the tappet 14 central through hole slides axially;
The tappet 14 is arranged in the axial central through hole of the solenoid valve 4.
Further, the pedestal includes mirror surface setting and the identical first shell 5 of structure and second shell 10, and described the One shell 5 is fixedly connected with the second shell 10, and the top of the pedestal is arranged in the solenoid valve 4.
Further, the top of the first shell 5 and the second shell 10 is all provided with fluted, the first shell 5 are fixedly connected by stay bolt 7 with lag bolt 8 with the second shell 10, and two groove types are at notch, the solenoid valve 4 are arranged in the notch, and the solenoid valve 4 passes through solenoid valve fastening bolt 6 and the first shell 5 and the second shell 10 top surface is fixedly connected.
Preferably, the connecting rod 19 is equipped with spacer pin card slot 21, the spacer pin card slot close to one end of the tappet 14 21 form joinery and its construction close to one end of the connecting rod 19 with the spacer pin 11.
More specifically, the sliding block 16 is equipped with sliding block return spring 17 far from described 19 one end of connecting rod, and the sliding block returns Position 17 one end of spring is connect with the sliding slot 20 far from the cell wall of another sliding slot 20, and the other end is fixedly connected with the sliding block 16; The utility model is fixed using spring return function, card slot, and the principles such as connecting rod 19,16 kinematics of sliding block and inclined-plane carrying realize battery pack Electrical efficiency height is changed in 1 replacement, and securely and reliably can efficiently carry out the replacement of battery pack 1.
Difference from example 1 is that:
Preferably, one end of the connecting rod 19 is connected by link pin 13 with the waist of the tappet 14, the connecting rod 19 It can be rotated around the link pin 13;
The other end of the connecting rod 19 is connected by slider pin 15 with the sliding block 16, and the connecting rod 19 can be around the sliding block Pin 15 rotates.
Further, the junction of the link pin 13 and the connecting rod 19 and the tappet 14 is equipped with wear-resistant gasket 18;The junction of the slider pin 15 and the connecting rod 19 and the sliding block 16 is equipped with wear-resistant gasket 18;Enhancement device it is resistance to Performance is ground, service life is increased.
Further, the pedestal includes mirror surface setting and the identical first shell 5 of structure and second shell 10, and described the One shell 5 is fixedly connected with the second shell 10, and the top of the pedestal is arranged in the solenoid valve 4.
Further, the top of the first shell 5 and the second shell 10 is all provided with fluted, the first shell 5 are fixedly connected by stay bolt 7 with lag bolt 8 with the second shell 10, and two groove types are at notch, the solenoid valve 4 are arranged in the notch, and the solenoid valve 4 passes through solenoid valve fastening bolt 6 and the first shell 5 and the second shell 10 top surface is fixedly connected.
Embodiment 3:
As shown in Figures 1 to 5, a kind of electric car, including self-locking change motor structure and change electric rack beams 3, described self-locking It is that the self-locking of embodiment 1 or 2 changes motor structure that formula, which changes motor structure, the self-locking change the pedestal on motor structure with it is described It changes electric rack beams 3 to be fixedly connected, the vehicle bottom changed electric rack beams 3 and electric car is arranged in.
Preferably, pedestal is fixedly connected by stay bolt 7 with electric rack beams 3 are changed.
The self-locking changes the working principle of motor structure, including battery pack unloading principles and battery pack install principle;
As shown in fig. 6, battery pack unloading principles: so that solenoid valve 4 is powered first, solenoid valve 4 drives spacer pin 11 to overcome limit The pretightning force of position spring 12, makes spacer pin 11 be detached from spacer pin card slot 21, and make central through hole of the spacer pin 11 in tappet 14 It inside moves upwards, 17 return of sliding block return spring being connect at this time with sliding block 16, and pulls sliding block 16 along the chute to far from tappet 14 side movement, and drive connecting rod 19 to move close to one end of sliding block 16 to the side far from tappet 14 by slider pin 15, Connecting rod 19 drives tappet 14 to move downward by link pin 13 simultaneously;Bolt 2 is moved downward in the gravity and tappet 14 of battery pack 1 Under the action of, it is detached from locking structure, completes the uninstall process of battery pack 1;
As shown in fig. 7, battery pack installs principle: pushing tappet 14 along solenoid valve 4 bolt 2 with battery pack 1 Heart through-hole upward sliding;Tappet 14 drives connecting rod 19 to move upwards close to one end of tappet 14 by link pin 13, and connecting rod 19 leans on One end of nearly sliding block 16 to intermediary movements, meanwhile, connecting rod 19 is close to one end of sliding block 16 by slider pin 15 with 16 edge of movable slider Sliding slot 20 is to intermediary movements, until clamping bolt 2;Solenoid valve 4 powers off, effect of the spacer pin 11 in 12 pretightning force of limit spring Under, the central through hole along tappet 14 moves downwardly into spacer pin card slot 21, thus the movement of limiting rod 19;Two sliding blocks 16 and tappet 14 jointly limitation 2 translational degree of freedom of bolt, realize clamping function, and then complete installment work;This method installation Easy to operate, quick, convenient disassembly, fastness is higher, and cost is lower;This design can be completed in a short time battery pack and unload It carrying, battery pack installation, what battery pack was fixed changes electric process, and guarantees the safety in vehicle travel process and durability, with And frequently change accuracy and reliability under electronic work.
Self-locking disclosed by the utility model changes motor structure, is fixed using spring return function, card slot, connecting rod, slide block movement And the principles such as inclined-plane carrying realize the replacement of battery pack, change electrical efficiency height, and securely and reliably efficiently can carry out battery pack more It changes;It can be completed in a short time battery pack unloading, battery pack installation, what battery pack was fixed changes electric process, and guarantees in vehicle Safety and durability in driving process, and frequently change accuracy and reliability under electronic work;Structure is simple, stress is closed Reason, replacement are convenient and safe and reliable.
Above disclosed is only a kind of preferred embodiment of the utility model, certainly cannot be practical to limit with this Novel interest field, therefore equivalent variations made according to the claim of the utility model still belong to what the utility model was covered Range.

Claims (10)

1. a kind of self-locking changes motor structure, it is characterised in that: including pedestal, two sliding blocks (16), tappet (14), limit assembly, Bolt (2) and two connecting rods (19), described tappet (14) one end are slidably connected with the limit assembly, described in the other end and two Sliding block (16) forms the cavity for accommodating the bolt (2), and the tappet (14) can transport up and down relative to the limit assembly It is dynamic;
Described connecting rod (19) one end and the sliding block (16) are rotatablely connected, and the waist of the other end and the tappet (14), which rotates, to be connected It connects;
It is set on the pedestal there are two sliding slot (20), each sliding slot (20) is interior to be equipped with a sliding block (16), the sliding block (16) it horizontally slips in the sliding slot (20);
The bolt (2) with battery pack for being fixedly connected.
2. self-locking according to claim 1 changes motor structure, it is characterised in that: the limit assembly includes solenoid valve (4) With spacer pin (11), the spacer pin (11) is mounted on the axial central through hole of the tappet (14) by limit spring (12) Interior, the spacer pin (11) slides axially according to the effect of the solenoid valve (4) along the central through hole of the tappet (14);
The tappet (14) is arranged in the axial central through hole of the solenoid valve (4).
3. self-locking according to claim 2 changes motor structure, it is characterised in that: the connecting rod (19) is close to the tappet (14) one end is equipped with spacer pin card slot (21), and the spacer pin card slot (21) and the spacer pin (11) are close to the connecting rod (19) one end forms joinery and its construction.
4. self-locking according to claim 1 changes motor structure, it is characterised in that: one end of the connecting rod (19) passes through connecting rod Pin (13) is connected with the waist of the tappet (14), and the connecting rod (19) can rotate around the link pin (13);
The other end of the connecting rod (19) is connected by slider pin (15) with the sliding block (16), and the connecting rod (19) can be around described Slider pin (15) rotation.
5. self-locking according to claim 4 changes motor structure, it is characterised in that: the link pin (13) and the connecting rod (19) and the junction of the tappet (14) is equipped with wear-resistant gasket (18);
The slider pin (15) and the connecting rod (19) and the junction of the sliding block (16) are equipped with wear-resistant gasket (18).
6. self-locking according to claim 1 changes motor structure, it is characterised in that: the sliding block (16) is far from the connecting rod (19) one end is equipped with sliding block return spring (17), and described sliding block return spring (17) one end and the sliding slot (20) are far from another cunning The cell wall of slot (20) connects, and the other end is fixedly connected with the sliding block (16).
7. self-locking according to claim 2 changes motor structure, it is characterised in that: the pedestal includes mirror surface setting and structure Identical first shell (5) and second shell (10), the first shell (5) are fixedly connected with the second shell (10), institute State the top that the pedestal is arranged in solenoid valve (4).
8. self-locking according to claim 7 changes motor structure, it is characterised in that: the first shell (5) and described second It is all provided with fluted at the top of shell (10), the first shell (5) and the second shell (10) pass through stay bolt (7) and short spiral shell Bolt (8) is fixedly connected, and two groove types are arranged in the notch at notch, the solenoid valve (4), the solenoid valve (4) it is fixedly connected by solenoid valve fastening bolt (6) with the top surface of the first shell (5) and the second shell (10).
9. a kind of electric car, it is characterised in that: change motor structure including self-locking and change electric rack beams (3), the self-locking changes Motor structure is that self-locking described in claim 1-8 any one changes motor structure, and the self-locking changes the pedestal on motor structure It is fixedly connected with electric rack beams (3) are changed, the vehicle bottom changed electric rack beams (3) and electric car is set.
10. electric car according to claim 9, it is characterised in that: the pedestal changes electricity with described by stay bolt (7) Rack beams (3) are fixedly connected.
CN201822014378.3U 2018-12-03 2018-12-03 A kind of self-locking changes motor structure and electric car Active CN209552988U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822014378.3U CN209552988U (en) 2018-12-03 2018-12-03 A kind of self-locking changes motor structure and electric car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822014378.3U CN209552988U (en) 2018-12-03 2018-12-03 A kind of self-locking changes motor structure and electric car

Publications (1)

Publication Number Publication Date
CN209552988U true CN209552988U (en) 2019-10-29

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ID=68301851

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822014378.3U Active CN209552988U (en) 2018-12-03 2018-12-03 A kind of self-locking changes motor structure and electric car

Country Status (1)

Country Link
CN (1) CN209552988U (en)

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