CN212257475U - Portable battery replacing electric vehicle body with power battery pack limiting mechanism - Google Patents

Abstract

The utility model provides a portable electric motor car body that trades with power battery package stop gear, it includes the battery package casing, the liquid cooling passageway reaches and is used for the spacing stopper of liquid cooling passageway, still including being used for carrying on spacing and removing spacing location structure and location fit structure to the battery piece, the inside chamber that holds that has the open-ended that has formed with of battery package casing, the liquid cooling passageway is including dismantling the cartridge in the main cooling channel of multilayer that holds the intracavity, and connect two main cooling channel's connection cooling channel, each main cooling channel will hold the chamber and divide into a plurality of minutes chambeies, location structure and location fit structure can dismantle the location in dividing the chamber with a battery piece. This portable battery electric motor car automobile body that trades with power battery package stop gear uses simple structure, convenience to can realize the liquid cooling passageway quick assembly disassembly to in the battery package, the installation and the taking out of the single battery piece of being convenient for simultaneously have promoted work efficiency.

Description

Portable battery replacing electric vehicle body with power battery pack limiting mechanism

Technical Field

The utility model relates to an electric automobile technical field, in particular to portable battery replacement electric motor car body with power battery package stop gear.

Background

In the prior art, the power battery pack of the vehicle is generally arranged in two areas, namely a front cabin or a chassis of the vehicle, and no matter where the power battery pack is arranged, good heat dissipation conditions are needed to meet use requirements; however, due to the reasons of dust prevention, water prevention and the like, the power battery pack shell is usually sealed, so that heat of the power battery pack inside the shell cannot be rapidly dissipated, normal work of the power battery pack is affected, and the service life of the power battery pack is shortened.

At present, automobile power battery wraps the major part and uses the forced air cooling heat dissipation, and its radiating effect is unsatisfactory, and advances the normal use that the dust influences the battery package easily, and its liquid cooling pipeline integrated into one piece when adopting the radiating mode of liquid cooling, need whole dismantlement to change when taking place the weeping phenomenon, influences work efficiency, and the liquid cooling generally for arranging all around battery package casing, its radiating effect is relatively poor.

The power battery is formed by connecting a plurality of battery cell blocks in series and parallel, and in the working process of an automobile, if a certain battery cell block breaks down and cannot work normally, the battery block after the whole series connection needs to be taken out and then detached one by one for replacement, so that the maintenance is inconvenient, and the normal use effect is influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a portable electric motor car automobile body that trades with power battery package stop gear to dismantling and the installation effectiveness in promoting the battery package.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a portable electric motor car automobile body that trades with power battery package stop gear, includes:

the battery pack comprises a battery pack shell, a battery pack shell and a battery pack, wherein the battery pack shell is arranged on a vehicle body, an accommodating cavity with an opening is formed in the battery pack shell, and a sealing cover for plugging the opening is detachably arranged on the battery pack shell;

the liquid cooling channel comprises a plurality of layers of main cooling channels which are detachably inserted into the containing cavity, and a connecting cooling channel which is detachably connected between two adjacent main cooling channels, each layer of main cooling channel divides the containing cavity into a plurality of sub-cavities, and a battery block is inserted into each sub-cavity;

and the main cooling channel is provided with at least two limiting blocks corresponding to the moving path of the battery block out of the sub-cavity, the limiting blocks are elastically arranged on the inner wall surface of the battery pack shell, and the main cooling channel can be positioned in the accommodating cavity due to the fact that the limiting blocks elastically extend out of the battery pack shell and can be released from the positioning due to the elastic retraction of the limiting blocks.

The positioning structure comprises a positioning column which can be pivoted on one side of the mounting block, a bulge is formed on one side of the positioning column, which extends out of the mounting block, a clamping groove is formed in the bulge, a movable pin which extends out of the end face of the mounting block along the radial direction of the movable pin is arranged on the positioning column, a positioning spring is connected between the movable pin and the inner wall of the accommodating cavity, and the positioning column drives the clamping groove to pivot through elastic stirring of the movable pin;

the positioning matching structure comprises a pivot shaft which is rotatably arranged on the inner wall of the accommodating cavity, the axis of the pivot shaft is parallel to that of the positioning column, a clamping block is fixedly arranged on the pivot shaft, the clamping block is provided with a plurality of clamping heads matched with the clamping grooves along the circumferential direction, and the battery block can form a locking state with the battery enclosure body through the clamping grooves and the clamping heads.

Further, corresponding to each layer the both sides of main cooling pipeline, in be equipped with a plurality of mounting grooves on the internal face in appearance chamber respectively, main cooling pipeline cartridge in the mounting groove, and in each the mounting groove with press from both sides of main cooling pipeline are pressed from both sides and are equipped with the blotter.

Furthermore, an accommodating groove is formed in the inner wall of the battery pack shell, the limiting block slides in the accommodating groove in a guiding manner, and a limiting spring is connected between the other end of the limiting block and the groove bottom of the accommodating groove and corresponds to the limiting end of the limiting block.

Furthermore, a liquid inlet pipe is arranged at the bottom of the battery pack shell, the liquid inlet pipe is communicated with the liquid inlet end of the liquid cooling channel, and a liquid outlet pipe is arranged at the top of the battery pack shell.

Furthermore, the end that stretches out that corresponds the loose pin, the notch has been seted up to the installation piece terminal surface, positioning spring one end connect in the installation piece is close to the appearance intracavity wall of notch, the other end correspond connect in the loose pin is towards the one end that holds the intracavity wall.

Further, each main cooling channel is in a wave shape matched with the sub-cavity.

Furthermore, a one-way valve is arranged on the liquid inlet pipe.

Compared with the prior art, the utility model discloses following advantage has:

(1) portable electric motor car automobile body that trades with power battery package stop gear, through demountable installation there is the liquid cooling passageway in the battery package, promoted the installation to battery package internals and disassembled efficiency to through with the internal partition of battery package for a plurality of minutes chambeies, each battery piece is demountable assembly respectively in each minute chamber, the change is dismantled to the battery piece that breaks down to the convenience, promotes the whole result of use of battery package.

(2) Through with main cooling pipe cartridge in the mounting groove that holds the chamber, be favorable to promoting main cooling pipe's support intensity.

(3) Through being connected with the positioning spring between the appearance chamber of activity round pin and installation piece, can realize stirring the activity round pin and make the pivot axle rotate back positioning spring elasticity make the pivot axle resume the normal position, be favorable to forming the card and put the effect.

(4) The limiting spring is connected between the limiting block and the bottom of the accommodating groove, so that the limiting block can perform elastic movement in the accommodating groove, and the main cooling channel can be conveniently clamped.

(5) The main cooling pipeline is set to be wavy, so that the cooling contact area is effectively increased, and the cooling effect is improved.

(6) Through install the check valve on the feed liquor pipe, prevent that the coolant liquid from flowing back to the feed liquor pipe of battery package casing because of gravity to influence the cooling effect.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view of a quick release battery pack according to an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A;

fig. 3 is a schematic structural diagram of a battery block according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a portion of the structure of FIG. 3;

fig. 5 is a schematic structural diagram of a clamping block according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a positioning column according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of the limiting block according to the embodiment of the present invention.

Description of reference numerals:

1-a battery pack shell and 2-a battery block;

301-support frame, 302-installation block, 303-positioning column, 304-bulge, 305-clamping groove, 306-movable pin, 307-positioning spring, 308-clamping block, 309-clamping head, 310-notch, 311-liquid inlet pipe and 312-liquid outlet pipe;

402-connecting cooling channel, 403-limiting block, 404-mounting groove, 405-guiding surface, 406-accommodating groove, 407-limiting spring, 408-connecting plate, 409-one-way valve.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The embodiment relates to a portable quick assembly disassembly structure for a power battery pack of an electric vehicle, which mainly comprises a battery pack shell 1, a plurality of battery blocks 2 assembled inside the battery pack shell 1, and a positioning structure and a positioning matching structure for fixing and releasing the battery blocks 2 and the battery pack shell 1, as shown in fig. 1.

Firstly, a battery pack shell 1 is explained, wherein a containing cavity is arranged in the battery pack shell 1, one end of the containing cavity is provided with an opening, and a sealing cover which can be detachably installed to block the opening is assembled on the battery pack shell 1, wherein the sealing cover can be installed between the battery pack shell 1 by adopting a mature sealing cover in the prior art, and the specific structural form and the illustration are not repeated; a plurality of supporting frames 301 arranged at intervals are further arranged in the accommodating cavity along the height direction so as to divide the accommodating cavity into a plurality of sub-cavities.

The battery block 2 may be a battery block mature in the prior art, and as shown in fig. 3, each battery block 2 is inserted into each formed sub-cavity. For inserting the end of battery piece 2, set firmly in the other end of battery piece 2 and have the installation piece 302 of appearance chamber in inside, installation piece 302 extends the setting along the terminal surface of battery piece 2, is constructed above-mentioned location structure on installation piece 302 to correspond on the intracavity wall that holds that is close to the opening and be constructed above-mentioned location cooperation structure, and each battery piece 2 can dismantle the location via location structure and location cooperation structure and divide the chamber in.

Specifically, as shown in fig. 2 to 6, the positioning structure includes a positioning post 303 capable of pivoting on one side of the mounting block 302, a protrusion 304 is configured on one side of the positioning post 303 extending out of the mounting block 302, the protrusion 304 is in a column shape coaxially arranged with the positioning post 303, and a locking groove 305 is formed on the protrusion 304, and the locking groove is arranged along an axial direction of the protrusion 304 and penetrates through two ends of the protrusion 304. The positioning column 303 is provided with a movable pin 306 extending out of the end face of the mounting block 302 along the radial direction, and the positioning column 303 drives the clamping groove 305 to pivot through the elastic shifting of the movable pin 306, so that the clamping groove 305 and the clamping block 308 described below can form a good clamping effect, and of course, the structure of the protrusion 304 can be set to other shapes as long as the clamping effect can be formed with the clamping block 308 described below;

the movable pin 306 is directly welded and fixed to the positioning post 303, and a strip-shaped notch 310 is also formed at one end of the mounting block 302, which is opposite to the battery block 2, corresponding to the extending end of the movable pin 306. Near the end of the movable pin 306 connected with the fixed column, a positioning spring 307 is arranged at the top of the movable pin 306, and the top end of the positioning spring 307 is connected in the mounting block 302 to push the movable pin 306 under the elastic force of the positioning spring 307, so as to ensure that the clamping block 308 is clamped in the notch 301. When the movable pin 306 is moved upward, the positioning spring 307 is compressed, and stopping the movable pin 306 will make the movable pin 306 return to the original position by the elastic force of the positioning spring 307. It should be noted that the cavity of the mounting block 302 should be adapted to a movable path through which the movable pin 306 drives the positioning column 303 to pivot, so as to prevent the cavity of the mounting block 302 from interfering with the positioning column 303; the positioning spring 307 may be correspondingly assembled to the opposite upper side of the movable pin 306, or may be assembled to the opposite lower side of the movable pin 306, as long as the movable pin 306 can be reset after being shifted.

As shown in fig. 5, the positioning and matching structure includes a pivot shaft rotatably mounted on the inner wall of the accommodating cavity, the axis of the pivot shaft is parallel to the axis of the positioning column 303, a clamping block 308 is fixedly mounted on the pivot shaft, the clamping block 308 has a plurality of clamping heads 309 adapted to the clamping grooves 305 along the circumferential direction, and the battery block 2 is clamped by the clamping grooves 305 and the clamping heads 309 to form a locking state with the battery pack case 1.

The accommodating cavity is provided with an assembling groove for installing the pivot shaft inwards, the pivot shaft is directly pivotally installed in the assembling groove to prevent the sealing effect of the sealing cover on the opening end face from being affected, the clamping block 308 can be a triangular prism, the axis of the clamping block penetrates through the pivot shaft and can rotate along with the rotation of the pivot shaft, the clamping heads 309 are three prisms corresponding to the triangular prism respectively, and the prisms are sequentially clamped in the clamping grooves 305 through the rotation of the pivot shaft to form clamping.

It should be noted that, according to the actual situation, the battery pack case 1 can be assembled with the corresponding battery blocks 2 through the sub-cavities with different numbers, so that the positioning structures and the correspondingly arranged positioning and matching structures correspond to the battery blocks 2 and the sub-cavities in positions, that is, each corresponding sub-cavity should be provided with a corresponding positioning structure and a corresponding positioning and matching structure, thereby realizing the installation and the removal of a single battery block 2.

When the battery block 2 in this embodiment is assembled, the sealing cover is firstly opened, one end of the battery block 2, which is away from the mounting block 302, is aligned with one of the sub-cavities and inserted, the battery block 2 slides inwards through the support of the support frame 301, when the protrusion 304 on the mounting block 302 contacts with the clamping block 308, the battery block 2 is continuously inserted inwards, the protrusion 304 pushes the clamping block 308 to pivot, and after the protrusion pivots to a certain angle, the clamping head 309 of the clamping block 308 rotates to the clamping groove 305 of the clamping protrusion 304, and at this time, the battery block 2 is in a fixed state; when a certain battery block 2 in the battery pack shell 1 breaks down, the movable pin 306 corresponding to the battery block 2 is shifted to the other end of the notch 310, at this time, the protrusion 304 drives the pivot shaft to rotate through the movable pin 306, and the end face of the clamping groove 305 supports against the clamping head 309 to pivot together, and when the pivot shaft is pivoted to the point that the clamping head 309 is separated from the clamping groove 305, the battery pack can be smoothly taken out and replaced by pulling the battery block 2 to one end far away from the battery pack shell 1; and other residual battery blocks 2 can be assembled and disassembled sequentially according to the steps.

As shown in fig. 1, in consideration of the problem that the power battery pack is poor in heat dissipation effect after being sealed, the support frames 301 are hollow and formed with liquid cooling channels, each liquid cooling channel includes a main cooling channel located in each support frame 301 and a connecting cooling channel 402 detachably connected between two adjacent support frames 301, and the main cooling channels of each layer together form each sub-cavity in the battery pack housing 1. Here, the connection between each connecting cooling channel 402 and the upper and lower adjacent main cooling channels may be in the form of a tube connection seal, which is well known in the art.

Specifically, a plurality of mounting grooves 404 are respectively formed in the inner wall surface of the accommodating cavity corresponding to the two sides of each layer of the support frame 301, each mounting groove 404 is respectively arranged along the horizontal direction of the inner wall surface of the accommodating cavity, each support 3011 is respectively inserted into the support along the groove end of each mounting groove 404, and a cushion is sandwiched between each mounting groove 404 and the two sides of the main cooling channel in order to reduce the impact vibration between the battery block 2 and the support frame 301.

As shown in fig. 1, in order to enhance the heat dissipation effect of the liquid cooling channels on the battery block 2, each main cooling channel may be configured as a wave shape that is bent back and forth, and is adapted to the formed support area of the sub-cavity, and a connection plate 408 is connected between adjacent wave sections of the main cooling channel for increasing the contact area between the main cooling channel and the battery block 2, so as to enhance the heat dissipation effect, and meanwhile, the connection plates 408 at each position may also enhance the support strength of the battery block 2 on the support frame 301; here, the connection plate 408 may specifically adopt a connection plate 408 that is mature in the prior art, and this embodiment is not described again.

In order to facilitate the installation and disassembly of the main cooling channel for replacement and maintenance, in this embodiment, at least two limiting blocks 403 are configured on the moving path corresponding to the separated cavity of the battery block 2, the limiting blocks 403 are elastically mounted on the inner wall surface of the battery pack case 1, the main cooling channel is configured to be positionable in the accommodating cavity due to the elastic extension of the limiting blocks 403 out of the battery pack case 1, and to be disarming due to the elastic retraction of the limiting blocks 403; it should be noted that the position and the number of the limiting block 403 on the inner wall surface of the battery pack case 1 are not specifically limited, and may be selected according to the actual installation condition of the liquid cooling channel.

As shown in fig. 2 and 7, a receiving groove 406 is formed in an inner wall of the battery pack case 1, the stopper 403 is guided to slide in the receiving groove 406, a stopper spring 407 is connected between the other end of the stopper 403 and a bottom of the receiving groove 406, for facilitating insertion of the battery pack 2 into each sub-chamber, a guide surface 405 for guiding an insertion path of the battery pack is correspondingly formed on the stopper 403, the guide surface 405 is specifically an arc-shaped tangent plane, and an insertion end of the battery pack 2 can be smoothly assembled by guiding the guide surface 405 during insertion of the battery pack 2 into the sub-chamber.

In order to ensure good sealing effect of the liquid cooling channel, the water inlet end and the water outlet end of the main cooling channel are respectively provided with an installation annular protrusion, the annular protrusions are sleeved with sealing elements, two ends of each connection cooling channel 402 are respectively provided with an insertion groove for the insertion of the annular protrusions, and the sealing elements are clamped between the insertion grooves and the annular protrusions. Here, the sealing member may be a rubber gasket seal, and the sealing member may be fitted on the annular protrusion by an interference fit.

In order to facilitate the communication with the external liquid cooling device, the bottom of the battery pack housing 1 is provided with a liquid inlet pipe 311, the liquid inlet pipe 311 is communicated with the liquid inlet end of the liquid cooling channel, and the top of the battery pack housing 1 is provided with a liquid outlet pipe 312.

It should be noted that the improved technology in this embodiment is not the battery block 2 itself, and therefore, the specific structure and the components of the battery block 2 such as the output/input lines on the battery block 2 are not described, and the improved technology can be assembled according to the mature battery for the automobile in the prior art, and the details are not described in this embodiment.

When the liquid cooling channel in this embodiment is installed, the connecting cooling channels 402 are respectively and correspondingly connected to the main cooling channels of each layer, the main cooling channels are firstly inserted inwards along the end surface direction of the mounting groove 404, when the main cooling channels contact the limiting block 403, the main cooling channels are continuously pushed inwards due to the guiding of the guide surface 405, and at this time, the limiting block 403 retracts into the accommodating groove 406 when the limiting springs 407 connected with the limiting block 403 are compressed; when the main cooling channel is completely pushed into the battery pack case 1, the pushing of the limiting block 403 disappears, the limiting spring 407 recovers elasticity and restores the limiting block 403 to the original position, so that the main cooling channel is clamped.

In the embodiment, the sub-cavities are formed in the battery pack shell 1 in a separated mode, the battery blocks 2 are arranged in the sub-cavities in a separated mode, so that the battery blocks 2 can be conveniently mounted and dismounted in the battery pack shell 1, the applied positioning structure and the positioning matching structure are simple and easy to operate, a good fastening effect can be formed during positioning, and when a certain battery block 2 in a battery pack breaks down, the battery block can be taken out singly for replacement, so that the workload is reduced; and through demountable installation have a liquid cooling passageway in the battery package, promoted the installation and the efficiency of disassembling to battery package internals, promoted the heat dispersion of battery package.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a portable electric motor car automobile body that trades with power battery package stop gear which characterized in that includes:

the battery pack comprises a battery pack shell (1) which is arranged on a vehicle body, wherein an accommodating cavity with an opening is formed in the battery pack shell (1), and a sealing cover for plugging the opening is detachably arranged on the battery pack shell (1);

the liquid cooling channel comprises a plurality of layers of main cooling channels which are detachably inserted into the containing cavity, and a connecting cooling channel (402) which is detachably connected between every two adjacent main cooling channels, each layer of main cooling channel divides the containing cavity into a plurality of sub-cavities, a battery block (2) is inserted into each sub-cavity, and a mounting block (302) with a containing cavity inside is fixedly arranged at the other end of the battery block (2) relative to the insertion end of the battery block (2);

the limiting blocks (403) correspond to the moving paths of the battery blocks (2) which are separated from the sub-cavities, the limiting blocks (403) are at least two and are elastically mounted on the inner wall surface of the battery pack shell (1), and the main cooling channel is arranged to be positioned in the accommodating cavity due to the fact that the limiting blocks (403) elastically extend out of the battery pack shell (1) and to be released from positioning due to elastic retraction of the limiting blocks (403);

the positioning structure comprises a positioning column (303) which can be pivoted on one side of the mounting block (302), a protrusion (304) is formed on one side, extending out of the mounting block (302), of the positioning column (303), a clamping groove (305) is formed in the protrusion (304), a movable pin (306) extending out of the end face of the mounting block (302) along the radial direction of the positioning column (303) is arranged on the positioning column (303), a positioning spring (307) is connected between the movable pin (306) and the inner wall of the accommodating cavity, and the positioning column (303) drives the clamping groove (305) to pivot through elastic shifting of the movable pin (306);

the positioning matching structure comprises a pivot shaft which is rotatably installed on the inner wall of the accommodating cavity, the axis of the pivot shaft is parallel to the axis of the positioning column, a clamping block (308) is fixedly arranged on the pivot shaft, the clamping block (308) is circumferentially provided with a plurality of clamping heads (309) matched with the clamping grooves (305), and the battery block (2) is clamped by the clamping grooves (305) and the clamping heads (309) and can form a locking state with the battery pack shell (1).

2. The portable battery-replaceable electric vehicle body with the power battery pack limiting mechanism as claimed in claim 1, wherein: corresponding to each layer the both sides of main cooling pipeline, in be equipped with a plurality of mounting grooves (404) on the internal wall face of holding the chamber respectively, main cooling pipeline cartridge in mounting groove (404), and in each mounting groove (404) with the blotter is equipped with between the both sides of main cooling pipeline.

3. The portable battery-replaceable electric vehicle body with the power battery pack limiting mechanism as claimed in claim 1, wherein: a containing groove (406) is formed in the inner wall of the battery pack shell (1), the limiting block (403) slides in the containing groove (406) in a guiding mode, and a limiting spring (407) is connected between the other end of the limiting block (403) and the bottom of the containing groove (406) relative to the limiting end of the limiting block (403).

4. The portable battery-replaceable electric vehicle body with the power battery pack limiting mechanism as claimed in claim 1, wherein: the liquid inlet pipe (311) is arranged at the bottom of the battery pack shell (1), the liquid inlet pipe (311) is communicated with the liquid inlet end of the liquid cooling channel, and the liquid outlet pipe (312) is arranged at the top of the battery pack shell (1).

5. The portable battery-replaceable electric vehicle body with the power battery pack limiting mechanism as claimed in claim 1, wherein: the installation block (302) is provided with a notch (310) on the end surface corresponding to the extending end of the movable pin (306), one end of the positioning spring (307) is connected to the inner wall of the cavity of the installation block (302) close to the notch (310), and the other end of the positioning spring is correspondingly connected to one end of the movable pin (306) facing to the inner wall of the cavity.

6. The portable battery-replaceable electric vehicle body with the power battery pack limiting mechanism as claimed in claim 1, wherein: each main cooling channel is in a wave shape matched with the sub-cavity.

7. The portable battery-replaceable electric vehicle body with the power battery pack limiting mechanism as claimed in claim 4, wherein: and a one-way valve (409) is arranged on the liquid inlet pipe (311).

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