CN219727850U - Limiting device for battery pack in new energy automobile - Google Patents
Limiting device for battery pack in new energy automobile Download PDFInfo
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- CN219727850U CN219727850U CN202320939668.7U CN202320939668U CN219727850U CN 219727850 U CN219727850 U CN 219727850U CN 202320939668 U CN202320939668 U CN 202320939668U CN 219727850 U CN219727850 U CN 219727850U
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses a limiting device for a battery pack in a new energy automobile, and relates to the technical field of battery packs. Including a plurality of female tenons, public tenons and limiting plate, every female tenons and public tenons all adopt several font, the both ends of female tenons and public tenons are connected respectively on automobile body bottom and battery package, every offer the opening that is located on the motion track of corresponding public tenon on the female tenon, a plurality of limiting plate passes through connecting plate sliding connection in automobile body bottom, the width of limiting plate is slightly less than the open-ended width of female tenons or public tenons, the opening of female tenons is located the motion track of limiting plate, be equipped with the first electric putter of bolted connection in automobile body bottom on the limiting plate. The problem of battery package change inefficiency has been solved to this scheme of adoption, has improved the efficiency that the battery package was dismantled and is changed.
Description
Technical Field
The utility model discloses a limiting device for a battery pack in a new energy automobile, and relates to the technical field of battery packs.
Background
With the development of social economy and the improvement of environmental awareness, electric automobiles become more and more the direction of automobile development in the future. In an energy storage system of an electric vehicle, a battery is a key component of the electric vehicle. The charging time of the battery of the existing electric automobile is usually longer, and the driving mileage is relatively shorter, which becomes a main factor for restricting the popularization of the electric automobile. On the premise that the prior battery technology is difficult to break through greatly, the direct replacement of the battery pack becomes a main way for solving the problems. Namely, when the battery of the electric automobile shows that the electric quantity is insufficient, a fully charged battery pack can be directly replaced at the power exchange station, so that the driving range is prolonged. Thus, new demands are made on the replacement efficiency of the battery pack.
As is well known, the battery pack of an electric vehicle has a large volume and a large weight, and if the installation mode is too complicated, the power exchange efficiency of the power exchange station is low, and the reliability is low. For example, in the conventional technology, a battery pack is fixed by using a plurality of bolts, which has problems of long time consumption, limited replacement times, complex operation, etc., and therefore, it is necessary to develop a battery pack limiting device that is convenient to disassemble.
Disclosure of Invention
The utility model discloses a limiting device for a battery pack in a new energy automobile, which solves the problem of low battery pack disassembly efficiency.
In order to achieve the above purpose, the following technical scheme is adopted:
the utility model provides a stop device of battery package in new energy automobile, includes a plurality of female tenons, public tenon and limiting plate, every female tenon and public tenon all adopt several font, the both ends of female tenon and public tenon are connected respectively on automobile body bottom and battery package, every offer the opening that is located on the corresponding public tenon motion orbit on the female tenon, a plurality of limiting plate passes through connecting plate sliding connection at automobile body bottom, the width of limiting plate is slightly less than the width of female tenon or public tenon open-ended, the opening of female tenon is located the motion orbit of limiting plate, be equipped with the first electric putter of bolted connection at automobile body bottom on the limiting plate.
Further, the bottom of the automobile body is also provided with a second electric push rod, a locating pin is connected to the second electric push rod, and a first locating hole matched with the locating pin is formed in the limiting plate.
Through above-mentioned setting, utilize electric putter and locating pin can prevent that the limiting plate from sliding out the condition of female tenon and public tenon to the spacing in-process of battery package, improved the stability of this scheme.
Furthermore, the battery pack is also symmetrically provided with positioning columns, and the bottom of the vehicle body is provided with second positioning holes positioned on the movement track of the positioning columns.
Through the arrangement, the problem that the battery pack shakes in the working process can be avoided by utilizing the positioning column.
Further, the connecting plate is connected to the bottom of the vehicle body in a sliding way through a sliding rail.
Through above-mentioned setting, can improve the reliability of this scheme with the help of the slide rail.
Further, a through hole is formed in the connecting plate, and the first electric push rod is arranged in the through hole.
Through above-mentioned setting, be favorable to reducing the occupation to automobile body bottom space.
Compared with the prior art, the utility model has the beneficial effects that:
according to the scheme, the plurality of limiting plates are driven to move through the first electric push rod and the connecting plate, so that the mounting and dismounting efficiency of the battery pack is improved, and the complexity of operation is reduced.
Drawings
Fig. 1 is a schematic view showing the structure of a battery pack according to embodiment 1 after the battery pack is disassembled;
fig. 2 is a bottom view of the underbody of embodiment 1;
fig. 3 is a bottom view of the underbody of embodiment 2;
fig. 4 is a schematic view showing the structure of the battery pack according to embodiment 2 after the battery pack is detached;
fig. 5 is a bottom view of the underbody of embodiment 3;
fig. 6 is a schematic view showing the structure of the battery pack according to example 3 after the battery pack is disassembled.
The names of the corresponding marks in the drawings are: the automobile comprises a female tenon 1, a male tenon 2, a limiting plate 3, a sliding plate 4, a supporting block 5, a connecting plate 6, a sliding rail 7, a first electric push rod 8, a second electric push rod 9, a positioning pin 10, a first positioning hole 11, a positioning column 12, a second positioning hole 13, an automobile body bottom 14, a clamping piece 15, a connecting piece 16, a battery pack 17, a sliding groove 18, a limiting groove 19 and a sliding block 20.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings and embodiments:
example 1
As shown in fig. 1 and fig. 2, a limiting device for a battery pack in a new energy automobile comprises a plurality of female tenons 1, male tenons 2 and limiting plates 3, wherein in the embodiment, the number of the female tenons 1, the male tenons 2 and the limiting plates 3 is four, and the four female tenons 1, the male tenons 2 and the limiting plates 3 are symmetrically distributed at intervals. The cross section of each of the female tenon 1 and the male tenon 2 is in a shape like a Chinese character 'ji', and two ends of the female tenon 1 and the male tenon 2 are respectively connected with the bottom of the automobile body 14 and the top of the battery pack 17 through bolts. The middle part of each female tenon 1 is provided with an opening positioned on the motion track of the corresponding male tenon 2, and the length of the opening is slightly longer than that of the male tenon 2. The two limiting plates 3 are symmetrically arranged front and back and are connected with the sliding plates 4 together, the two sliding plates 4 are connected with the connecting plate 6 together through four supporting blocks 5 with H-shaped cross sections, the connecting plate 6 is fixedly connected with four sliding blocks 20, the four sliding blocks 20 are connected with the bottom of a vehicle body 14 in a sliding mode through two sliding rails 7 which are distributed in parallel, and each sliding rail 7 is connected with the bottom of the vehicle body 14 in a bolt mode. The width of limiting plate 3 is slightly less than the width of the opening of female tenon 1 or male tenon 2, and the opening of female tenon 1 is located the motion track of limiting plate 3, is equipped with bolted connection at the first electric putter 8 of automobile body bottom 14 on the connecting plate 6, and square through-hole has been seted up at the middle part of connecting plate 6, and first electric putter 8 is located the through-hole to the slip of connecting plate 6 can not be influenced in the working process of first electric putter 8.
The vehicle bottom 14 is also connected with a second electric push rod 9 through bolts, the second electric push rod 9 is fixedly connected with a positioning pin 10, and the limiting plate 3 is symmetrically provided with first positioning holes 11 matched with the corresponding positioning pins 10. The four corners at the top of the battery pack 17 are symmetrically connected with positioning columns 12 through bolts, the bottom 14 of the vehicle body is provided with second positioning holes 13 positioned on the movement track of the positioning columns 12, and the length of the positioning columns 12 is longer than that of the limiting columns.
The working process of the scheme comprises the following steps:
installation of the battery pack 17: the battery pack 17 is pushed to the position right below the automobile body bottom 14, then the positioning column 12 is aligned with the second positioning hole 13, at the moment, the battery pack 17 is lifted by means of an external lifting machine, the to-be-positioned column 12 enters the second limiting hole, the lifting of the battery pack 17 is stopped after the tenon 2 moves to the top of the opening of the tenon 1, the preliminary positioning of the battery pack 17 is realized at the moment, the tenon 2 is communicated with the middle part of the tenon 1, then the connecting plate 6 is pushed to slide by the first electric push rod 8, the connecting plate 6 drives the four limiting plates 3 to slide into the communicating positions of the tenon 1 and the tenon 2 through the supporting blocks 5 and the sliding plates 4 after sliding, and finally the positioning pin 10 is driven to slide into the first positioning hole 11 on the limiting plate 3 through the second electric push rod 9, so that accurate positioning is realized.
Disassembly of the battery pack 17: firstly, the locating pin 10 is pulled out of the first locating hole 11 by the second electric push rod 9 so as to limit the limiting plate 3, then the connecting plate 6 is driven to reset by the first electric push rod 8, at the moment, the connecting plate 6 drives the four limiting plates 3 to slide out of the tenon 2 and the mortise 1 simultaneously by the supporting block 5 and the sliding plate 4, so that the locking of the battery pack 17 is released, and then the battery pack 17 is taken down by an external lifter.
In this embodiment, since the battery pack 17 is embedded in the underbody 14, the underbody 14 is provided with a groove in which the battery pack 17 is placed, and the slide rail 7, the first electric push rod 8 and the second electric push rod 9 are also embedded in the groove, so that the spacing device of this embodiment does not affect the spacing between the actual underbody 14 and the ground.
Example 2
As shown in fig. 3 and 4, a limiting device for a battery pack in a new energy automobile includes a clamping member 15 disposed at a bottom 14 of the automobile body and a connecting member 16 disposed on a battery pack 17, in this embodiment, the number of the clamping member 15 and the connecting member 16 is six, and the six clamping members 15 or the connecting member 16 are distributed symmetrically at intervals, but the number of the clamping member 15 and the connecting member 16 is selected according to different weights of the battery packs 17 in different types of new energy automobiles. Six sliding grooves 18 which are symmetrically distributed at intervals are formed in the bottom of the automobile body, each clamping piece 15 is integrally formed with the bottom of the automobile body 14, the six clamping pieces 15 are respectively arranged in the corresponding sliding grooves 18, and the integral forming technology is adopted to facilitate the improvement of the strength of the clamping pieces 15, so that the service life of the clamping pieces is prolonged. In this embodiment, the engaging member 15 is a J-shaped engaging block, the middle part on the right side of the engaging member 15 is provided with a limiting groove 19 which is mutually communicated with the arc-shaped area on the lower side thereof, the length of the vertical side on the left side of the engaging member 15 is greater than that of the vertical side on the right side of the engaging member 15, the left side of the engaging member 15 is arranged on one side far away from the running direction of the automobile, and the right side of the engaging member 15 is arranged on one side close to the running direction of the automobile. In this embodiment, the connecting piece 16 adopts the T shape pole of T font, vertical limit and spacing groove 19 sliding connection in the connecting piece 16, and the transverse edge at connecting piece 16 top can the block connect on the arc region of fastener 15 to the thickness of the transverse edge at connecting piece 16 top is less than the length of the side on the right side on the fastener 15, makes connecting piece 16 be difficult for sliding out from the arc region of fastener 15, has strengthened the stability of this scheme.
The working process of the scheme is as follows:
installation of the battery pack 17: with the help of external equipment (the external equipment can be a lifter with pulleys, in the embodiment, the external equipment is not improved, the existing lifting and lowering equipment is adopted, the battery pack 17 can be lifted into the sliding groove 18, three connecting pieces 16 on the battery pack 17 slide into the limit groove 19 from the right side of the clamping piece 15, and finally the connecting pieces 16 fall into an arc-shaped area at the lower side of the clamping piece 15, and the stability of limit connection can be maintained by the gravity of the battery pack 17. Meanwhile, in order to avoid abrasion caused by relative rubbing of the connecting piece 16 and the clamping piece 15, a rubber layer can be arranged in an arc-shaped area at the lower side of the clamping piece 15.
Disassembly of the battery pack 17: the battery pack 17 is detached by lifting the battery pack 17 by an external device and sliding the connecting member 16 out of the limit groove 19 and the slide groove 18.
The scheme is convenient to install and detach, and the three connecting pieces 16 synchronously carry out the installation or detachment work, so that the efficiency and the stability of the work are improved, and the weight of the battery pack 17 is also shared in the working process of the battery pack 17.
Example 3
As shown in fig. 5 and 6, this embodiment differs from embodiment 2 only in that: the bottom of the car body is provided with a chute 18 for the connecting piece 16 to slide, and the clamping piece 15 and the bottom of the car body 14 are integrally formed. The clamping piece 15 adopts an inverted Chinese character 'ji', the connecting piece 16 adopts a J shape, the longer vertical edge of the connecting piece 16 is arranged at one side close to the running direction of the automobile, and the shorter vertical edge of the connecting piece 16 is arranged at one side far away from the running direction of the automobile.
The mounting and dismounting manner of this embodiment is the same as that of embodiment 1, and will not be described here.
The foregoing is merely exemplary of the present utility model and the details of construction and/or the general knowledge of the structures and/or characteristics of the present utility model as it is known in the art will not be described in any detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (5)
1. A stop device of battery package in new energy automobile, its characterized in that: including a plurality of female tenons, public tenons and limiting plate, every female tenons and public tenons all adopt several font, the both ends of female tenons and public tenons are connected respectively on automobile body bottom and battery package, every offer the opening that is located on the motion track of corresponding public tenon on the female tenon, a plurality of limiting plate passes through connecting plate sliding connection in automobile body bottom, the width of limiting plate is slightly less than the open-ended width of female tenons or public tenons, the opening of female tenons is located the motion track of limiting plate, be equipped with the first electric putter of bolted connection in automobile body bottom on the limiting plate.
2. The limit device for a battery pack in a new energy automobile as claimed in claim 1, wherein: the vehicle body bottom is also provided with a second electric push rod, the second electric push rod is connected with a locating pin, and the limiting plate is provided with a first locating hole matched with the locating pin.
3. The limit device for a battery pack in a new energy automobile as claimed in claim 1, wherein: and the battery pack is also symmetrically provided with positioning columns, and the bottom of the vehicle body is provided with second positioning holes positioned on the movement track of the positioning columns.
4. A limiting device for a battery pack in a new energy automobile according to any one of claims 1-3, wherein: the connecting plate is connected to the bottom of the vehicle body in a sliding way through a sliding rail.
5. The limit device for a battery pack in a new energy automobile as claimed in claim 4, wherein: the connecting plate is provided with a through hole, and the first electric push rod is arranged in the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320939668.7U CN219727850U (en) | 2023-04-24 | 2023-04-24 | Limiting device for battery pack in new energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320939668.7U CN219727850U (en) | 2023-04-24 | 2023-04-24 | Limiting device for battery pack in new energy automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219727850U true CN219727850U (en) | 2023-09-22 |
Family
ID=88057013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320939668.7U Active CN219727850U (en) | 2023-04-24 | 2023-04-24 | Limiting device for battery pack in new energy automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219727850U (en) |
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2023
- 2023-04-24 CN CN202320939668.7U patent/CN219727850U/en active Active
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