CN109823155B - Locking device - Google Patents
Locking device Download PDFInfo
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- CN109823155B CN109823155B CN201910252372.6A CN201910252372A CN109823155B CN 109823155 B CN109823155 B CN 109823155B CN 201910252372 A CN201910252372 A CN 201910252372A CN 109823155 B CN109823155 B CN 109823155B
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- module
- locking
- guide
- transmission module
- base
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- 230000005540 biological transmission Effects 0.000 claims abstract description 83
- 230000008878 coupling Effects 0.000 claims abstract description 5
- 238000010168 coupling process Methods 0.000 claims abstract description 5
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003578 releasing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Lock And Its Accessories (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a locking device, which comprises: the device comprises a driving module, a transmission module and a locking module, wherein the driving module and the transmission module are transmitted in an electromagnetic coupling mode; the locking module comprises a plurality of movable locking pieces, the locking pieces are arranged on the periphery of the preset position, the transmission module enables the locking pieces to lock the fixed module in a mode of moving towards the preset position, and the transmission module enables the locking pieces to unlock the fixed module in a mode of moving away from the preset position. The locking device provided by the invention has the advantages of simple structure, convenience in assembly, high safety of the locking mechanism and reliability in locking.
Description
Technical Field
The invention relates to the technical field of power batteries, in particular to a locking device.
Background
In recent years, with the rapid development of new energy automobiles, sales of electric automobiles continuously increase in the global scope, and electric automobile charging stations are in dispute worldwide due to limitations of the cruising ability and the charging time of power batteries, so that the electric automobiles are promoted to be further popularized and popularized.
The battery pack of the electric automobile is directly replaced in the power conversion mode to supplement electric energy, so that the electric energy can be rapidly supplied, and meanwhile, the battery is convenient to maintain and the service life is prolonged. However, in the aspect of battery replacement, the problems that the power battery is inconvenient to assemble, the safety and the convenience of the locking mechanism cannot be completely met and the like still exist at present.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present invention is to provide a locking device, which has a simple structure, convenient assembly and high safety.
According to an embodiment of the present invention, a locking device includes: a driving module; the driving module is in transmission with the transmission module in an electromagnetic coupling mode; the locking module comprises a plurality of movable locking pieces, the locking pieces are arranged on the periphery of a preset position, the transmission module enables the locking pieces to lock the fixed module in a mode of moving towards the preset position, and the transmission module enables the locking pieces to unlock the fixed module in a mode of moving away from the preset position.
According to the locking device disclosed by the invention, the locking piece is driven to move by utilizing the electromagnetic coupling mode of the driving module and the transmission module, so that the fixing module on the battery pack is locked or unlocked, the structure is simple, the locking is reliable, and the risk that the power battery loosens or even falls off due to vibration in the running process of an automobile can be effectively avoided.
According to the locking device of the embodiment of the invention, a first guide assembly is arranged between the transmission module and the driving module, a second guide assembly is arranged between the transmission module and the locking module, and the axis of the first guide assembly is intersected with the axis of the second guide assembly.
Further, the locking device further includes: the base, drive module is fixed on the base, first direction subassembly includes: the first base guide piece and the first transmission module guide piece that set up respectively on the base with transmission module, first base guide piece with first transmission module guide piece extends along vertical direction, the second direction subassembly includes: the second transmission module guide piece and the second locking module guide piece are respectively arranged on the transmission module and the locking module, and extend along a direction which forms an inclination angle with the vertical direction.
Optionally, the first transmission module guide and the second transmission module guide are located on an outer side wall and an inner side wall of the transmission module, respectively.
According to one embodiment of the present invention, the transmission module has a receiving cavity for at least partially receiving the locking module, the locking member extending into the receiving cavity when the locking member moves toward the predetermined position, the locking member being withdrawn from the receiving cavity when the locking member moves away from the predetermined position.
Further, a third guide assembly is disposed between the locking module and the base, the third guide assembly comprising: a third base guide and a third locking module guide, the third base guide and the third locking module guide extending in a horizontal direction.
The locking device according to one embodiment of the present invention further includes: the elastic reset piece is arranged between the driving module and the transmission module, the driving module is provided with an electromagnet, and the elastic reset piece provides elastic reset force for the transmission module when the electromagnet is powered off.
According to the locking device of the embodiment of the invention, the side surface of the locking piece facing the preset position is a clamping surface, and the locking piece clamps the fixed module through the clamping surface.
Optionally, one of the first transmission module guide and the first base guide is configured as a slide rail, one of the second transmission module guide and the second locking module guide is configured as a slide rail, one of the third base guide and the third locking module guide is configured as a slide rail, and the slide rail is a wedge-shaped slide rail.
According to the locking device of one embodiment of the present invention, the predetermined position is located at a central position surrounded by a plurality of the locking pieces.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of a locking device according to an embodiment of the present invention, wherein a locking member is in a locked state;
FIG. 2 is a schematic view of a locking device according to an embodiment of the present invention, wherein a locking member is in an unlocked state;
FIG. 3 is a schematic diagram showing the cooperation of a fixing module and a locking device according to an embodiment of the present invention;
FIG. 4 is a schematic view of the structure of the base of FIG. 1;
FIG. 5 is a schematic diagram of the driving module of FIG. 1;
fig. 6 is a schematic structural view of the battery side fixing module.
Reference numerals:
The device comprises a driving module 1, a base plate 10, an electromagnet 11, a stand column 12, a transmission module 2, a first transmission module guide 21, a containing cavity 22, a locking module 3, a locking piece 31, a clamping surface 311, a base 4, a first guide plate 4a, a first base guide 41, a second guide plate 4b, a third base guide 42, an elastic reset piece 5, a fixing module 6 and a weight reducing hole 7.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
A locking device according to an embodiment of the present invention is described below with reference to fig. 1 to 6. As shown in fig. 1 to 6, a locking device according to an embodiment of the present invention includes: a driving module 1, a transmission module 2 and a locking module 3.
As shown in fig. 1, according to the locking device of an embodiment of the present invention, the driving module 1 and the transmission module 2 are driven by means of electromagnetic coupling, that is, the magnetic field of the magnetic member is changed to drive the motion of the transmission module 2 in the power-on and power-off states, so as to control the movement direction of the locking member 31, and finally, the locking or unlocking of the locking member 31 to the fixed module 6 is achieved.
The locking module 3 in the embodiment of the present invention includes at least one movable locking member 31, for example, in a specific embodiment, the number of the locking members 31 may be two, and the locking members 31 are disposed at the periphery of the predetermined position, the transmission module 2 causes the locking members 31 to lock the fixed module 6 in a manner of moving toward the predetermined position, and the transmission module 2 causes the locking members 31 to unlock the fixed module 6 in a manner of moving away from the predetermined position. Here, the predetermined position is located at a central position surrounded by a plurality of locking pieces 31, i.e., a central position corresponding to the fixed module 6, and in a specific embodiment, two locking pieces 31 are located at both sides of the predetermined position, respectively, so as to clamp or unclamp the fixed module 6 with respect to the fixed module 6.
According to the locking device provided by the embodiment of the invention, through the cooperation of the driving module 1, the transmission module 2 and the locking module 3 and by utilizing an electromagnetic principle, the locking piece 31 moves in a preset direction to complete the clamping and loosening functions of the fixed module 6, so that the locking device is simple in structure, convenient to operate and high in locking safety.
According to an embodiment of the invention, further, a first guiding assembly may be provided between the transmission module 2 and the drive module 1, and a second guiding assembly may be provided between the transmission module 2 and the locking module 3, the axis of the first guiding assembly intersecting the axis of the second guiding assembly. Alternatively, the angle between the axis of the first guide assembly and the axis of the second guide assembly may be an acute angle.
That is, since the second guide assembly is disposed obliquely with respect to the first guide assembly, when the transmission module 2 moves under the guide of the first guide assembly, the locking module 3 is driven to move in a direction approaching to or separating from the predetermined position under the guide of the second guide assembly, thereby locking and unlocking the fixing module 6 by the locking member 31.
In the description of the invention, a "first feature" or "second feature" may include one or more of such features.
Further, as shown in fig. 1 to 4, the locking device according to the embodiment of the present invention may further include: the base 4, the driving module 1 is fixed on the base 4, optionally, a first guide plate 4a may be disposed on the base 4, and the driving module 1 may be fixed with an upper end surface of the first guide plate 4 a. The first guide assembly may include: a first base guide 41 and a first transmission module guide 21, wherein the first base guide 41 is provided on the base 4, in particular, the first base guide 41 may be provided on an inner sidewall of the base 4, the first transmission module guide 21 is provided on the transmission module 2, and the first base guide 41 and the first transmission module guide 21 are both extended in a vertical direction so that the transmission module 2 may move in an up-down direction.
Optionally, the second guide assembly may include: the second transmission module guide and the second locking module guide are arranged on the transmission module 2, the second locking module guide is arranged on the locking module 3, and the second transmission module guide and the second locking module guide are parallel and extend along a direction which forms an inclination angle with the vertical direction.
Further, the first transmission module guide 21 and the second transmission module guide may be located on the outer sidewall and the inner sidewall of the transmission module 2, respectively, and integrally formed on the transmission module 2, so that the first transmission module guide 21 and the second transmission module guide are integrated on the transmission module 2, which may make the structure of the whole locking device more compact, and the guiding precision is high.
According to one embodiment of the invention, the transmission module 2 has a receiving cavity 22 which receives the locking module 3 at least partially, the locking element 31 extending into the receiving cavity 22 when the locking element 31 is moved towards the predetermined position, the locking element 31 being withdrawn from the receiving cavity 22 when the locking element 31 is moved away from the predetermined position. Further, the inner side wall of the receiving chamber 22 and the outer side wall of the locking member 31 are constructed as press-fit surfaces, which are inclined surfaces, so that the movement of the transmission module 2 in the vertical direction can be converted into the movement of the locking module 3 in the horizontal direction by the press-fit surfaces, thereby realizing the locking and unlocking functions of the locking module 3.
Further, a third guiding assembly is further provided between the locking module 3 and the base 4, and the third guiding assembly may include: a third base guide 42 and a third locking module 3 guide, wherein the third base guide 42 is provided on the base 4, for example, a lower end of the base 4 may be provided with a second guide plate 4b, the third base guide 42 may be formed on the second guide plate 4b, the third locking module 3 guide may be formed on the locking module 3, for example, the third locking module 3 guide may be formed on a bottom wall of the locking module 3, and the third base guide 42 and the third locking module 3 guide extend in a horizontal direction so that the locking member 31 approaches to or departs from a predetermined position in the horizontal direction.
Alternatively, in one embodiment of the present invention, one of the first transmission module guide 21 and the first base guide 41 is configured as a slide rail, one of the second transmission module guide and the second locking module guide is configured as a slide rail, and one of the third base guide 42 and the third locking module 3 guide is configured as a slide rail, which is a wedge-shaped slide rail, so that the movement guidance of the transmission module 21, the first base guide 41, the second transmission module guide, the second locking module guide, the third base guide 42 and the third locking module 3 guide to the transmission module 2 and the locking module 3 is more accurate.
According to an embodiment of the present invention, the locking device may further include: elastic return 5, elastic return 5 may be provided between drive module 1 and transmission module 2, alternatively, as shown in fig. 5, drive module 1 may comprise: the base plate 10, the base plate 10 is suitable for being fixed with the up end of first deflector 4a, and the lower terminal surface of base plate 10 can be provided with a plurality of stands 12, and elastic restoring element 5 is suitable for the cover to establish on stand 12, and the upper end and the lower extreme of elastic restoring element 5 can only stop respectively on base plate 10 and transmission module 2.
In the description of the present invention, "plurality" means two or more.
Further, as shown in fig. 2 and 5, the driving module 1 may further have an electromagnet 11, where the electromagnet 11 is adapted to be fixed at the lower end of the substrate 10, and the elastic restoring member 5 provides an elastic restoring force for the driving module 2 when the electromagnet 11 is powered off, so as to provide a driving force for the movement of the driving module 2, and the control manner is simple. Alternatively, the elastic element may be a spring, whereby the elastic element is simple in structure and low in production cost.
According to an embodiment of the present invention, the side of the locking member 31 facing the predetermined position is a clamping surface 311, and the locking member 31 clamps the fixing module 6 through the clamping surface 311, and in the locking device of the embodiment of the present invention, the clamping surface 311 is configured as a stepped surface, so that the locking member is convenient to be respectively clamped and matched with two fixing modules 6 on the battery, and the clamping effect is better.
Optionally, a plurality of lightening holes 7 may be disposed on each of the transmission module 2 and the locking module 3 in the embodiment of the present invention, so that the mass of the transmission module 2 and the locking module 3 may be effectively reduced, thereby being beneficial to reducing the mass of the whole locking device, so as to finally improve the lightening level of the whole vehicle.
The following describes in detail the specific operation of the locking device according to an embodiment of the present invention with reference to fig. 1 to 6:
as shown in fig. 1 to 6, in the locking device according to the embodiment of the present invention, after the electromagnet 11 is energized, the transmission module 2 moves up along the first base guide 41, the elastic restoring member 5 is compressed, and a wedge-shaped sliding rail is disposed on a surface of the transmission module 2, which contacts the locking module 3, so that the locking module 3 is driven to slide outwards along the third base guide 42 during the upward movement of the transmission module 2, and at this time, the fixing module 6 fixed on the battery enters into the cavity defined when the two locking members 31 are opened;
The electromagnet 11 is powered off, the elastic reset piece 5 resets, the driving transmission module 2 is driven to move downwards, the locking module 3 is pushed to slide inwards, the fixing module 6 is locked in a containing cavity defined when the locking piece 31 is closed, so that the movement of the battery pack in a vertical plane is limited, meanwhile, the front end and the rear end of the battery can be respectively provided with the locking device, the movement of the battery pack in the front direction and the rear direction can be further limited, and finally, the movement of the battery pack in all directions is limited, so that the locking reliability of the battery pack is ensured.
In summary, according to the locking device of the embodiment of the present invention, through the cooperation of the driving module 1, the transmission module 2 and the locking module 3, and by using the electromagnetic principle, the locking member 31 moves in a predetermined direction to complete the clamping and releasing actions on the fixing module 6, so that the structure is simple, the operation is convenient, and the locking security is high.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. A locking device, comprising:
A drive module (1);
the driving module (1) and the transmission module (2) are driven in an electromagnetic coupling mode;
-a locking module (3), the locking module (3) comprising a plurality of movable locking members (31), the locking members (31) being arranged at the periphery of a predetermined position, the transmission module (2) effecting locking of a fixed module (6) in such a way that the locking members (31) move towards the predetermined position, and the transmission module (2) effecting unlocking of the fixed module (6) in such a way that the locking members (31) move away from the predetermined position;
A first guide assembly is arranged between the transmission module (2) and the driving module (1), a second guide assembly is arranged between the transmission module (2) and the locking module (3), and the axis of the first guide assembly is intersected with the axis of the second guide assembly;
The elastic reset piece (5), the elastic reset piece (5) is arranged between the driving module (1) and the transmission module (2), the driving module (1) is provided with an electromagnet (11), and the elastic reset piece (5) provides an elastic reset force for the transmission module (2) when the electromagnet (11) is powered off.
2. The locking device of claim 1, further comprising: -a base (4), the drive module (1) being fixed on the base (4), the first guiding assembly comprising: first base guide (41) and first transmission module guide (21) that set up respectively on base (4) and transmission module (2), first base guide (41) and first transmission module guide (21) extend along vertical direction, second direction subassembly includes: the second transmission module guide piece and the second locking module guide piece are respectively arranged on the transmission module (2) and the locking module (3), and extend along a direction which forms an inclination angle with the vertical direction.
3. Locking device according to claim 2, characterized in that the first and second transmission module guides are located on the outer and inner side walls of the transmission module (2), respectively.
4. Locking device according to claim 1, characterized in that the transmission module (2) has a receiving cavity (22) which at least partly receives the locking module (3), the locking element (31) extending into the receiving cavity (22) when the locking element (31) is moved towards the predetermined position, the locking element (31) being withdrawn from the receiving cavity (22) when the locking element (31) is moved away from the predetermined position.
5. Locking device according to claim 2, characterized in that a third guiding assembly is provided between the locking module (3) and the base (4), said third guiding assembly comprising: a third base guide (42) and a third locking module guide, the third base guide (42) and the third locking module guide extending in a horizontal direction.
6. Locking device according to claim 1, characterized in that the side of the locking element (31) facing the predetermined position is a clamping surface (311), by means of which clamping surface (311) the locking element (31) clamps the securing module (6).
7. The locking device according to claim 5, characterized in that one of the first transmission module guide (21) and the first base guide (41) is configured as a slide rail, one of the second transmission module guide and the second locking module guide is configured as a slide rail, one of the third base guide (42) and the third locking module guide is configured as a slide rail, the slide rail being a wedge slide rail.
8. Locking device according to claim 1, characterized in that the predetermined position is in a central position surrounded by a plurality of the locking elements (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910252372.6A CN109823155B (en) | 2019-03-29 | 2019-03-29 | Locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910252372.6A CN109823155B (en) | 2019-03-29 | 2019-03-29 | Locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109823155A CN109823155A (en) | 2019-05-31 |
| CN109823155B true CN109823155B (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910252372.6A Active CN109823155B (en) | 2019-03-29 | 2019-03-29 | Locking device |
Country Status (1)
| Country | Link |
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| CN (1) | CN109823155B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202138211U (en) * | 2011-07-13 | 2012-02-08 | 山东电力研究院 | Power battery locking mechanism of electric bus quick-change system |
| CN104066607A (en) * | 2012-03-27 | 2014-09-24 | 台湾立凯绿能移动股份有限公司 | Fixing device group for removable battery of electric vehicle, and locking method thereof |
| CN105895841A (en) * | 2016-04-29 | 2016-08-24 | 蔚来汽车有限公司 | Battery pack fixing structure and battery pack replacement apparatus |
| CN207360068U (en) * | 2017-10-30 | 2018-05-15 | 北京长城华冠汽车技术开发有限公司 | A kind of electric bus battery case fixes lockable mechanism |
| CN209795154U (en) * | 2019-03-29 | 2019-12-17 | 北京新能源汽车股份有限公司 | Locking device |
-
2019
- 2019-03-29 CN CN201910252372.6A patent/CN109823155B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202138211U (en) * | 2011-07-13 | 2012-02-08 | 山东电力研究院 | Power battery locking mechanism of electric bus quick-change system |
| CN104066607A (en) * | 2012-03-27 | 2014-09-24 | 台湾立凯绿能移动股份有限公司 | Fixing device group for removable battery of electric vehicle, and locking method thereof |
| CN105895841A (en) * | 2016-04-29 | 2016-08-24 | 蔚来汽车有限公司 | Battery pack fixing structure and battery pack replacement apparatus |
| CN207360068U (en) * | 2017-10-30 | 2018-05-15 | 北京长城华冠汽车技术开发有限公司 | A kind of electric bus battery case fixes lockable mechanism |
| CN209795154U (en) * | 2019-03-29 | 2019-12-17 | 北京新能源汽车股份有限公司 | Locking device |
Also Published As
| Publication number | Publication date |
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| CN109823155A (en) | 2019-05-31 |
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Address after: 102606 Beijing City Economic Development Zone, Daxing District Caiyu mining and Road No. 1 Applicant after: BAIC BJEV Applicant after: Blue Valley smart (Beijing) Energy Technology Co.,Ltd. Address before: 102606 Beijing City Economic Development Zone, Daxing District Caiyu mining and Road No. 1 Applicant before: BAIC BJEV Applicant before: BEIJING ARTICORE BATTERY TECHNOLOGY CO.,LTD. |
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