CN102248879B - Locking mechanism for chassis battery of electric passenger car - Google Patents
Locking mechanism for chassis battery of electric passenger car Download PDFInfo
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- CN102248879B CN102248879B CN 201110138556 CN201110138556A CN102248879B CN 102248879 B CN102248879 B CN 102248879B CN 201110138556 CN201110138556 CN 201110138556 CN 201110138556 A CN201110138556 A CN 201110138556A CN 102248879 B CN102248879 B CN 102248879B
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- passenger car
- electric passenger
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- 230000007246 mechanism Effects 0.000 title claims abstract description 26
- 239000002131 composite material Substances 0.000 claims description 34
- 239000000725 suspension Substances 0.000 claims description 11
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000011020 iolite Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013036 cure process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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Abstract
The invention relates to a locking mechanism for a chassis battery of an electric passenger car, which comprises an electric lock combined device and a battery hanging combined device matched with the electric lock combined device, wherein a torque is output to the electric lock combined device by a motor and the electric lock combined device is driven by a worm gear, thereby realizing the releasing and the locking between a worm gear arc-shaped slot and a battery combined hook. With the help of the releasing and the locking of the mechanism, the battery hanging combined device assembled with a battery is used for fixing or separating the battery with or from the electric passenger car. The locking mechanism for the chassis battery of the electric passenger car has the advantages of high automation degree, high reliability, strong matching property and low demand on operation skills, and can be used for quickly fixing or separating the battery with or from the electric passenger car.
Description
Technical field
The present invention relates to a kind of battery lock mechanism, especially a kind of locking mechanism for chassis battery of electric passenger car.
Background technology
Present day by day universal along with electronlmobil, China is after becoming maximum fuel oil manned vehicle market, also with becoming maximum electric passenger vehicle market, how to provide easily and fast flying power, make the battery altering problem become one of key problem in technology of electric passenger vehicle industrialized development at once.In electric passenger vehicle market, battery hangs and fixes, substitute mode also mostly is bolted, manual dismounting mode, cause dismounting cell to need regulation place, regulation instrument, skilled operation personnel, the large situation of long work capacity of operating time, have a strong impact on the work efficiency of changing battery, hit the user and quick realization is provided the expectation of flying power.As shown in Figure 1, battery is arranged on the cell support frame, and the cell support frame is fixed on vehicle frame mechanism by binding bolt, and assembling is comparatively loaded down with trivial details with removing battery.How just can make battery and chassis of electric passenger vehicle complete fast fixing in the short time and break away from, effectively solve the problem that wastes time and energy that battery exists of changing, thoroughly eliminating the user to the worry of electric passenger vehicle flying power technology shortcoming, is a problem demanding prompt solution.
Summary of the invention
The objective of the invention is provides a kind of simple in structure for overcoming above-mentioned the deficiencies in the prior art, and battery disassembly and assembly is convenient, increases work efficiency, and can greatly extend the locking mechanism for chassis battery of electric passenger car of electric passenger vehicle flying power.
For achieving the above object, the present invention adopts following technical proposals:
A kind of locking mechanism for chassis battery of electric passenger car comprises some electronic lock composite sets and the battery that matches with it hangs composite set.
Described electronic lock composite set comprises and is arranged at worm gear and the worm screw that is meshed in casing, and worm screw is connected with the motor that is arranged at the casing outside, and worm gear matches with the battery suspension gear.
Described worm gear one side semicircle is provided with the tooth that is meshed with worm screw, and the opposite side semicircle is the light face, and this light face is provided with the deep-slotted chip breaker of an end face opening.
Described worm gear by worm-wheel shaft, axle sleeve and fastener and worm screw square crossing be arranged on casing front side plate and vehicle frame mechanism.
Described worm gear is provided with limit switch.
Described worm gear both ends of the surface are provided with the brace panel assembly opening.
Described worm screw two ends are arranged on the casing left side plate by tapered roller bearing respectively, and the outside of biside plate is equipped with roller bearing end cap.
Described battery hangs composite set and comprises cell support plate and battery combination hook, the battery combination hook is fixed on the cell support plate, described cell support plate is provided with battery limiting groove and spigot surface, and described battery combination hook matches with deep-slotted chip breaker on described worm gear.
Electronic lock composite set of the present invention by Worm Wheel System, is realized opening and locking of worm gear deep-slotted chip breaker and battery combination hook by the motor output torque.
The worm gear profile is that a side semicircle has complete standard tooth form, and the opposite side semicircle is not processed profile of tooth.Do not process the semicircle of profile of tooth, be designed with deep-slotted chip breaker, form suspension hook.The deep-slotted chip breaker angle is reasonable, but battery combination hook external diameter is in groove inside face smooth sliding, without accelerating and impact phenomenon.
The worm gear both ends of the surface are designed with the brace panel assembly opening, use in case of necessity brace panel, are used for improving worm gear and deep-slotted chip breaker suspension hook intensity, to adapt to the battery of Different Weight.
Worm screw is selected the self-locking type, parameter and worm gear coupling.Self-locking type specifically lead angle at reference cylinde meets mechanism's self-locking standard, can't reverse transmission, overcome battery combination gravity, and make battery lock fix on design attitude.
Worm screw is supported and adopts tapered roller bearing to realize that worm screw connects with box side, can bear radial pull and axial thrust, meets the force request of this mechanism, guarantees worm and wheel transmission accuracy and reliability.
Worm gear support to adopt needle bearing to realize that with iolite bushing worm gear connects with worm-wheel shaft, rotates flexible bearing capacity large, need not specially to safeguard, makes this mechanism can adapt to the abominable service conditions of automobile.
Spacing employing limit switch realizes that lock position is definite, and battery suspension combination and electronic lock combination are accurately engaged and disengaging.
Be designed with battery limiting groove and spigot surface on the cell support plate; The battery limiting groove is used for battery location and fixing, realizes the firm assembling of battery and quick dismounting; Spigot surface is used at the battery altering platform or changes conveyor line, and battery hangs when composite set is completed lifting action and leads.
The battery combination hook is a kind of satisfy automatic guide and carrying effect structure design, is assemblied on the cell support plate, with coordinating of worm gear deep-slotted chip breaker, realizes engaging with the worm gear deep-slotted chip breaker and breaks away from.
Motor comprises motor-driven and control part, and output torque is controlled folding between worm gear deep-slotted chip breaker and battery combination hook, and for electronic lock provides the power support, motor adopts auto-lock function simultaneously.
The present invention has the following advantages:
1, operation realizes automation need not the annexes such as manual assembling-disassembling bolt, realizes worm gear deep-slotted chip breaker and battery combination opening of hook and locking by the motor output torque, completes battery and hangs fixing between composite set and electric passenger vehicle and break away from; Support the use the bracing frame of battery altering platform or replacing conveyor line, by lifting action, hang composite set but quick fetching is equipped with the battery of battery.
2, safe, quadruplet electronic lock composite set is when assembling, and no matter worm gear deep-slotted chip breaker opening inwardly in opposite directions, to the effective spacing and locking of battery combination hook, is the automobile acceleration and deceleration, all can avoid the battery combination hook to deviate from the worm gear deep-slotted chip breaker.
3, matching is stronger, only electronic lock need to be made up by bolts assemblies on automobile structure, battery is placed in cell support plate upper limit position groove, and automobile and battery are changed without harmful, namely adapts to factory and assembles in batches and can be used for the electric passenger vehicle on market is transformed.
4, operating skill is less demanding, the worm gear deep-slotted chip breaker has certain automatic guide ability with the battery combination hook when engaging, all can accurately complete with latch hook in the loose operating range of deep-slotted chip breaker and coordinate, compare bolted high precision positioning requirements, large improvement is arranged, see Fig. 1, the electric passenger vehicle battery hangs present situation, adopt Bolt Connection, positioning requirements is high, and dismounting is more loaded down with trivial details.
5, the Worm Wheel System of the present invention's employing, unfailing performance is high, and with respect to the action that push rod, sprocket wheel, belt are realized, self-locking performance, safety, durability have greater advantage.
Description of drawings
Fig. 1 is that the electric passenger vehicle battery hangs and fixing present situation structural representation;
Fig. 2 is electronic lock composite set constructional drawing of the present invention;
Fig. 3 be in Fig. 2 A-A to cutaway view;
Fig. 4 is that electronic lock composite set of the present invention and battery hang the composite set assembly drowing;
Fig. 5 is the birds-eye view of Fig. 4.
Wherein, 1. box side, 2. chassis cover, 3. worm screw, 4. tapered roller bearing, 5. roller bearing end cap, 6. motor, 7. worm-wheel shaft, 8. fastener, 9. axle sleeve, 10. worm gear, 11. limit switch, 12. binding bolts, 13. vehicle frame mechanisms, 14. the battery combination hook, 15. batteries, 16. cell support plates, 17. the electronic lock composite set, 18. deep-slotted chip breakers, 19. spigot surfaces.
The specific embodiment
The present invention is further described below in conjunction with drawings and Examples.
As shown in Fig. 2-5, a kind of locking mechanism for chassis battery of electric passenger car comprises four groups of electronic lock composite sets 17 and the battery that matches with it hangs composite set.Described electronic lock composite set comprises and is arranged at the worm gear 10 and worm screw 3 (dextrorotation) that is meshed in casing, and worm screw 3 is connected with the motor 6 that is arranged at the casing outside, and worm gear 10 matches with the battery suspension gear.Electronic lock composite set of the present invention by Worm Wheel System, is realized opening and locking of worm gear deep-slotted chip breaker 18 and battery combination hook 14 by motor 6 output torques.Motor 6 comprises motor-driven and control part, and output torque is controlled folding between worm gear deep-slotted chip breaker 18 and battery combination hook 14, and for electronic lock provides the power support, motor 6 adopts auto-lock function simultaneously.
Described worm gear 10 1 side semicircles are provided with the complete full-height tooth that is meshed with worm screw 3, and it is the light face that the opposite side semicircle is not processed profile of tooth, and this light face is provided with the deep-slotted chip breaker 18 of an end face opening, form suspension hook.Deep-slotted chip breaker 18 angles are reasonable, but battery combination hook 14 external diameters are in deep-slotted chip breaker 18 inside face smooth sliding, without accelerating and impact phenomenon.
Described worm gear 10 by worm-wheel shaft 7, axle sleeve 9 and fastener 8 and worm screw 3 square crossings be arranged on casing front side plate and vehicle frame mechanism 13.Described fastener is binding bolt 12.Worm gear 10 adopts needle bearings to realize that with iolite bushing 9 worm gear 10 connects with worm-wheel shaft 7, rotates flexible bearing capacity large, need not specially to safeguard, makes this mechanism can adapt to the abominable service conditions of automobile.
Described worm gear 10 is provided with limit switch 11, realizes that lock position is definite, makes battery suspension composite set and electronic lock composite set 17 accurately engage and break away from.
Described worm gear 10 both ends of the surface are provided with the brace panel assembly opening, use in case of necessity brace panel, are used for improving worm gear 10 and deep-slotted chip breaker 18 suspension hook intensity, to adapt to the battery of Different Weight.
Described worm screw 3 two ends are arranged on the casing left side plate by tapered roller bearing 4 respectively, realize that worm screw 3 connects with box side 1, can bear radial pull and axial thrust, meet the force request of this mechanism, guarantee worm screw 3 and worm gear 10 transmission accuracies and reliability.The outside of biside plate is equipped with roller bearing end cap 5.Worm screw 3 is selected the self-locking type, parameter and worm gear 10 couplings.Self-locking type specifically lead angle at reference cylinde meets mechanism's self-locking standard, can't reverse transmission, and overcome battery and hung composite set gravity, make battery hang composite set and be locked in design attitude.
Described battery hangs composite set and comprises cell support plate 16 and battery combination hook 14 and battery 15, and battery combination hook 14 is fixed on cell support plate 16, and described cell support plate 16 is provided with battery limiting groove and spigot surface 19.Battery 15 is assemblied in the battery limiting groove, can realize firm assembling and quick dismounting; Spigot surface 19 is used at the battery altering platform or changes conveyor line, and the lifting of battery suspension composite set is led, and realizes that motion is steadily with accurate.Described battery combination hook 14 matches with deep-slotted chip breaker 18 on described worm gear 10.
As shown in Figure 2, tapered roller bearing 4 outer rings are assemblied in box side 1, utilize roller bearing end cap 5 axial location, and inner ring is assemblied on worm screw 3; Worm screw 3 is assembled on box side 1 by bearing, and a side is connected with motor 6; Axle sleeve 9 coordinates with worm gear 3 inner circles, is assembled on the opposite side box side by worm-wheel shaft 7, fastener 8; Worm gear 10 and worm screw 3 engagements, width between centers 50mm; Limit switch 11 is assemblied on worm gear.
Motor 6 output torques, worm screw 3 is rotated, be clockwise direction (motor dorsad) when rotating, according to right-hand rule, worm gear clockwise rotates, deep-slotted chip breaker 18 openings of worm gear 10 descend, and in conjunction with Fig. 5 as seen, 14 (the two-dot chain line projections in Fig. 2) of battery combination hook break away from gradually with worm gear deep-slotted chip breaker 18.
When worm gear 10 rotates predetermined angular, by limit switch 11 position control, battery combination hook 14 breaks away from fully with worm gear deep-slotted chip breaker 18.
Matching used battery altering conveyor line with it, its bracing frame descends, and battery hangs composite set along spigot surface 19 down slidings and is taken away from electric passenger vehicle and transport.Hang from battery and take out used batteries 15 composite set, be reentered into new battery and transport and return.Battery altering conveyor line bracing frame rises, and battery hangs composite set and completes the upward sliding action along spigot surface 19.
The reverse output torque of motor 6, worm screw 3 anticlockwise directions rotate (motor dorsad), and in conjunction with Fig. 5 as seen, worm gear rotates counterclockwise, and battery combination hook 14 is locked in deep-slotted chip breaker 18 gradually.
When worm gear 10 rotation predetermined angulars, battery combination hook 14 coordinates with worm gear deep-slotted chip breaker 18 ends, and motor 6 cuts out simultaneously, and worm gear 3 is by locked, and battery hangs the design attitude that composite set has been fixed on electric passenger vehicle.
Rotate by twice turbine and worm, the battery combination hook is realized opening and locking with the worm gear deep-slotted chip breaker, and matching used battery altering platform or replacing conveyor line have been completed a complete replacing battery flow process.
Standard is adopted in the modulus of worm screw 3, profile of tooth, the transmission when parameter such as the number of teeth, can be with reference to GB/T10085-1988, and modulus m=1, a number z
1=1, external diameter φ 18, transmitting ratio i=82; Material selection gauge material 40Cr, surperficial cure process.
Worm gear 10 and worm screw 3 couplings, modulus m=1 wherein, number of teeth z
2=82, material adopts casting al-bronze, and withstanding corrosion, intensity are high; Deep-slotted chip breaker 18 inside face fine limit works, groove width and battery combination hook external diameter adopt larger free-running fit type.
Fig. 4 and Fig. 5 are that electronic lock composite set and battery hang the composite set assembly drowing, use altogether quadruplet, are arranged symmetrically with, and wherein worm gear deep-slotted chip breaker 18 openings are inwardly arranged in opposite directions, can change deep-slotted chip breaker 18 opening directions by the mounting means that changes worm gear 10.Deep-slotted chip breaker opening in Fig. 4 inwardly, this kind arrangement, before and after making, the worm gear 10 of two groups of electronic locks produces interaction forces.For example, during car deceleration, force of inertia forward makes last Battery pack combined hook 14 deviate from deep-slotted chip breaker 18 opening directions and promotes worm gear 10, a rear Battery pack combined hook 14 surpasses to deep-slotted chip breaker 18 opening directions and pulls worm gear 10, motor 6 is realized interlock, application force is cancelled out each other, and self-locking structure obtains Reliable guarantee.
Claims (5)
1. locking mechanism for chassis battery of electric passenger car, it is characterized in that: the battery suspension composite set that comprises some electronic lock composite sets and match with it, described electronic lock composite set comprises and is arranged at worm gear and the worm screw that is meshed in casing, worm screw is connected with the motor that is arranged at the casing outside, and worm gear matches with battery suspension composite set;
Described worm gear one side semicircle is provided with the tooth that is meshed with worm screw, and the opposite side semicircle is the light face, and this light face is provided with the deep-slotted chip breaker of an end face opening;
Described battery hangs composite set and comprises cell support plate and battery combination hook, the battery combination hook is fixed on the cell support plate, described cell support plate is provided with battery limiting groove and spigot surface, and described battery combination hook matches with deep-slotted chip breaker on described worm gear.
2. locking mechanism for chassis battery of electric passenger car according to claim 1 is characterized in that: described worm gear by worm-wheel shaft, axle sleeve and fastener and worm screw square crossing be arranged on casing front side plate and vehicle frame mechanism.
3. locking mechanism for chassis battery of electric passenger car according to claim 2, it is characterized in that: described worm gear is provided with limit switch.
4. locking mechanism for chassis battery of electric passenger car according to claim 3, it is characterized in that: described worm gear both ends of the surface are provided with the brace panel assembly opening.
5. locking mechanism for chassis battery of electric passenger car according to claim 1 is characterized in that: described worm screw two ends are arranged on the casing left side plate by tapered roller bearing respectively, and the outside of biside plate is equipped with roller bearing end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110138556 CN102248879B (en) | 2011-05-26 | 2011-05-26 | Locking mechanism for chassis battery of electric passenger car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110138556 CN102248879B (en) | 2011-05-26 | 2011-05-26 | Locking mechanism for chassis battery of electric passenger car |
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| Publication Number | Publication Date |
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| CN102248879A CN102248879A (en) | 2011-11-23 |
| CN102248879B true CN102248879B (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110138556 Active CN102248879B (en) | 2011-05-26 | 2011-05-26 | Locking mechanism for chassis battery of electric passenger car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109733341A (en) * | 2019-01-28 | 2019-05-10 | 于小兵 | Battery frame jacking system and elevating method |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717778B (en) * | 2012-06-29 | 2014-06-11 | 山东电力集团公司电力科学研究院 | Chassis battery change system for electric passenger cars and method of the system |
| CN102700393B (en) * | 2012-06-29 | 2015-03-04 | 山东电力集团公司电力科学研究院 | Chassis battery locking mechanism of electric passenger car |
| CN102785562B (en) * | 2012-08-08 | 2015-07-01 | 沈阳中科正方新能源技术有限公司 | Battery positioning locking and unlocking system of electric vehicle |
| CN109515148A (en) * | 2018-05-29 | 2019-03-26 | 蔚来汽车有限公司 | Circumferential lockable mechanism, the battery locking device including it, power battery pack and vehicle |
| CN113415143A (en) * | 2020-03-17 | 2021-09-21 | 奥动新能源汽车科技有限公司 | Battery pack locking mechanism, bracket assembly, battery pack, electric automobile and battery pack locking method |
| CN112297811A (en) * | 2020-11-05 | 2021-02-02 | 东风柳州汽车有限公司 | New energy automobile battery package quick change device |
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|---|---|---|---|---|
| CN2549597Y (en) * | 2002-06-04 | 2003-05-07 | 郑洁洪 | Anti-theft accumulator battery for vehicle |
| CN2932629Y (en) * | 2006-08-07 | 2007-08-08 | 翟书章 | Drawer-type electric vehicle storage battery, accessory tool and charging battery frame |
| CN201218963Y (en) * | 2008-05-07 | 2009-04-08 | 曹道芳 | Decoding anti-theft electronic electric door lock of electric car and its electronic encoding key |
| CN102211517A (en) * | 2011-05-04 | 2011-10-12 | 广州市赛导电气技术有限公司 | Electric vehicle chassis |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2392871Y (en) * | 1999-09-08 | 2000-08-23 | 郑光远 | Mechanical device of electronic lock |
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2011
- 2011-05-26 CN CN 201110138556 patent/CN102248879B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2549597Y (en) * | 2002-06-04 | 2003-05-07 | 郑洁洪 | Anti-theft accumulator battery for vehicle |
| CN2932629Y (en) * | 2006-08-07 | 2007-08-08 | 翟书章 | Drawer-type electric vehicle storage battery, accessory tool and charging battery frame |
| CN201218963Y (en) * | 2008-05-07 | 2009-04-08 | 曹道芳 | Decoding anti-theft electronic electric door lock of electric car and its electronic encoding key |
| CN102211517A (en) * | 2011-05-04 | 2011-10-12 | 广州市赛导电气技术有限公司 | Electric vehicle chassis |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109733341A (en) * | 2019-01-28 | 2019-05-10 | 于小兵 | Battery frame jacking system and elevating method |
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| CN102248879A (en) | 2011-11-23 |
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Application publication date: 20111123 Assignee: National Network Intelligent Technology Co., Ltd. Assignor: Shandong Research Inst. of Electric Power Contract record no.: X2019370000007 Denomination of invention: Locking mechanism for chassis battery of electric passenger car Granted publication date: 20130508 License type: Exclusive License Record date: 20191014 |
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Address after: 250003 No. 2000, Wang Yue Road, Shizhong District, Ji'nan, Shandong Patentee after: Shandong Electric Power Research Institute Patentee after: STATE GRID CORPORATION OF CHINA Address before: 250002, No. 500, South Second Ring Road, Shizhong District, Shandong, Ji'nan Patentee before: Shandong Electric Power Research Institute Patentee before: STATE GRID CORPORATION OF CHINA |
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Effective date of registration: 20220119 Address after: 250003 No. 2000, Wang Yue Road, Shizhong District, Ji'nan, Shandong Patentee after: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER Co. Patentee after: State Grid Co., Ltd. Address before: 250003 No. 2000, Wang Yue Road, Shizhong District, Ji'nan, Shandong Patentee before: SHANDONG ELECTRIC POWER Research Institute Patentee before: State Grid Co., Ltd. |