CN215933735U

CN215933735U - Lithium battery fixing structure and electric vehicle

Info

Publication number: CN215933735U
Application number: CN202122118474.4U
Authority: CN
Inventors: 伍小灯; 刘永波; 经继明; 凤超; 朱长青; 蔡辉辛
Original assignee: Zhejiang Aima Vehicle Technology Co ltd
Current assignee: Zhejiang Aima Vehicle Technology Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-03-01
Anticipated expiration: 2031-09-02

Abstract

The utility model discloses a lithium battery fixing structure and an electric vehicle, and relates to the technical field of new energy vehicles. The utility model aims to provide a lithium battery fixing structure and an electric vehicle, wherein the lithium battery fixing structure comprises a box body with a lithium battery cabin, a cover body fixedly clamped with the box body through a buckling part, and a handle assembly, the handle assembly comprises a handle fixing plate and a handle body movably connected with the handle fixing plate, the handle body is connected with the buckling part through a handle wire, the handle body and the handle fixing plate are pulled to slide relatively, and the buckling part is driven to release clamping. The lithium battery fixing structure is convenient for users to operate.

Description

Lithium battery fixing structure and electric vehicle

Technical Field

The utility model relates to the technical field of new energy vehicles, in particular to a lithium battery fixing structure and an electric vehicle.

Background

Electric vehicles, in particular to electric bicycles, electric tricycles and electric motorcycles, are green and environment-friendly vehicles. On the basis of a common bicycle, electromechanical integrated components such as a battery, a motor, a controller and the like are installed. The electric vehicle takes the battery as a main power source, has the advantages of time and labor saving, convenience, rapidness, environmental protection and the like in short-distance traffic, and is more and more popular with the majority of travelers.

In order to improve the endurance of the electric vehicle, most of electric vehicles adopt a mode of replacing a lithium battery. In prior art, often fix the lithium cell of electric motor car in the lithium cell fixed knot on the electric motor car constructs, and lithium cell fixed knot constructs the top and is provided with the apron, is provided with the switch on the apron, and the user can open the apron through the switch to take out the lithium cell and change. However, the mechanism for directly arranging the switch on the lithium battery fixing structure has the problem that the user is not easy to operate. For example, when the lithium battery fixing structure is disposed below the foot position of the electric vehicle, it is difficult for a user to release the locking of the lithium battery fixing structure, so that the lithium battery cannot be replaced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lithium battery fixing structure and an electric vehicle.

The embodiment of the utility model is realized by the following steps:

the utility model provides a lithium battery fixing structure, which comprises a box body with a lithium battery bin, a cover body and a handle assembly, wherein the cover body is fixedly clamped with the box body through a buckling part, the handle assembly comprises a handle fixing plate and a handle body movably connected with the handle fixing plate, the handle body is connected with the buckling part through a handle wire, the handle body and the handle fixing plate are pulled to slide relatively, and the buckling part is driven to release clamping.

Optionally, be provided with the through-hole on lithium cell fixed knot constructs's the handle fixed plate, the handle body is worn to locate in the through-hole, and the handle body includes the cylinder and sets up the convex part in the one end of cylinder, the other end and the handle line connection of cylinder, and wherein, the width of convex part is greater than the diameter of through-hole, and the cylinder of handle body can move the position in the through-hole.

Optionally, a receiving groove is formed in the handle fixing plate of the lithium battery fixing structure, the through hole is located at the bottom surface of the receiving groove, and the convex portion of the handle body can be received in the receiving groove.

Optionally, the lithium battery fixing structure is further sleeved with a column sleeve on the column body of the handle body, and the column sleeve is arranged in the through hole.

Optionally, the lithium battery fixing structure is provided with threads at the periphery of the column sleeve, a stepped surface is formed at one end of the column sleeve to abut against the bottom surface of the accommodating groove through the stepped surface, and a nut in threaded connection is arranged at the other end of the column sleeve.

Optionally, the lithium battery fixing structure is provided with a leading-in groove from one side of the handle fixing plate to the through hole, the leading-in groove is communicated with the through hole to form an opening, and the column body of the handle body is placed into the through hole through the opening.

Optionally, the width of the lead-in groove of the lithium battery fixing structure is smaller than the diameter of the through hole.

Optionally, the width of the opening of the introduction groove of the lithium battery fixing structure is larger than the width of the bottom of the introduction groove, and the width of the bottom of the introduction groove is smaller than the diameter of the through hole.

Optionally, the lithium battery fixing structure is symmetrically provided with mounting grooves at two sides of the handle fixing plate, and the handle fixing plate is fixedly connected with the plate body to be fixed at the mounting groove through a threaded fastening connecting piece.

In another aspect of the embodiment of the present invention, an electric vehicle is provided, which includes a vehicle body, a seat disposed on the vehicle body, and any one of the above lithium battery fixing structures, wherein a box body of the lithium battery fixing structure is mounted and fixed on the vehicle body, a lithium battery for supplying power to the electric vehicle is disposed in a lithium battery compartment of the box body, and a handle assembly is accommodated in a seat barrel disposed under the seat.

The beneficial effects of the utility model include:

the lithium battery fixing structure provided by the embodiment of the utility model comprises a box body with a lithium battery bin, a cover body and a handle component, wherein the cover body is fixedly clamped with the box body through a buckling part. The box body is used for storing a lithium battery for supplying power to the electric vehicle, the cover body is used for covering the box body, and the cover body is connected with the box body through the buckling part so that the cover plate is clamped and fixed with the box body. The handle assembly comprises a handle fixing plate and a handle body movably connected with the handle fixing plate, the handle fixing plate is used for fixing the handle body on the electric vehicle body, the handle body is connected with the buckling part through a handle wire, and the handle body is pulled to enable the handle body and the handle fixing plate to slide relatively. The handle body drives the handle line to slide, and the handle line drives the buckling part to release the clamping between the cover body and the box body. In the lithium battery fixing structure that this application provided, connect through the handle line between the buckling parts of handle body and connection box and apron, consequently, handle subassembly need not the snap-on the box, and can fix other positions on the electric motor car to convenience of customers operation handle subassembly removes the joint between box and the apron and fixes.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a lithium battery fixing structure provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a handle fixing plate of a lithium battery fixing structure according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a handle body of a lithium battery fixing structure according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a handle assembly of a lithium battery fixing structure according to an embodiment of the present invention.

Icon: 100-a box body; 200-a cover plate; 300-a fastening part; 400-a handle assembly; 410-handle fixing plate; 411-a through hole; 412-an introduction slot; 413-mounting grooves; 414-a receiving groove; 420-handle body; 421-a convex part; 422-column; 423-bulge; 430-handle line; 440-column jacket; 450-nut.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers 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. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment of the utility model provides an electric vehicle with a lithium battery fixing structure, which can be operated conveniently by a user. Embodiments of the present application are described below with reference to the accompanying drawings.

Referring to fig. 1, an embodiment of the present invention provides a lithium battery fixing structure, including a box 100 having a lithium battery compartment, a cover fastened and fixed to the box 100 through a fastening portion 300, and a handle assembly 400, where the handle assembly 400 includes a handle fixing plate 410 and a handle body 420 movably connected to the handle fixing plate 410, the handle body 420 is connected to the fastening portion 300 through a handle wire 430, and the handle body 420 and the handle fixing plate 410 are pulled to slide relatively to each other, so as to drive the fastening portion 300 to release the fastening.

In the lithium battery fixing structure provided by the utility model, a user pulls the handle body 420, the handle body 420 slides relative to the handle fixing plate 410, the handle body 420 drives the handle line 430 to move, and the handle line 430 drives the buckling part 300 to move, so that the clamping fixation between the box body 100 and the cover plate 200 is released, and the user opens the cover plate 200 to replace a lithium battery. After the user has replaced the lithium battery, the cover plate 200 is operated to close the box body 100, the cover plate 200 drives the buckling part 300 to move, the buckling part 300 drives the handle line 430 to move, and the handle line 430 drives the handle body 420 to reset, so that the handle assembly 400 can be unlocked next time.

In the lithium battery fixing structure provided by the present invention, the manner of opening the cover 200 with respect to the case 100 is not limited, and the cover 200 may be slid to expose the opening of the case 100 after the lock is released, or the cover 200 may be rotated to expose the opening of the case 100.

The shape of the box 100 is not limited in the lithium battery fixing structure provided by the utility model, as long as the lithium battery compartment can be placed, and the lithium battery fixing structure can be a rectangular box 100, a polygonal box 100, a circular box 100 and the like. In order to avoid the lithium battery from shaking in the box 100, the lithium battery compartment is generally shaped like the box 100. Illustratively, when the box 100 is rectangular, the lithium battery compartment is also rectangular, and the length, width and height of the lithium battery compartment are all smaller than the length, width and height of the box 100, so that the lithium battery compartment can be placed in the box 100.

In addition, in the lithium battery fixing structure according to the embodiment of the present invention, the size of the cover plate 200 needs to be equal to or larger than the size of the opening of the case 100, so that the cover plate 200 can completely cover the opening of the case 100.

In the lithium battery fixing structure according to the present invention, the structure of the engaging portion 300 is not limited, as long as the case 100 and the cover plate 200 can be fastened and fixed to each other and can be opened by the handle assembly 400. Illustratively, the fastening part 300 includes a latch hook rotatably coupled to the case 100 and a latch plate coupled to the latch hook, and the latch plate is fixed to the cover 200. When the cover plate 200 is fastened to the box body 100, the latch hook is fastened to the lock plate, the handle assembly 400 is pulled, and the handle assembly 400 drives the latch hook to rotate, so that the latch hook is unlocked and fastened to the lock plate, and the cover plate 200 is unlocked from the box body 100. Wherein, in order to make the lithium battery fixing structure have the function of guarding against theft, the locking plate and the locking hook are arranged at the inner sides of the cover plate 200 and the box body 100.

The lithium battery fixing structure provided by the embodiment of the utility model comprises a box body 100 with a lithium battery bin, a cover body clamped and fixed with the box body 100 through a buckling part 300, and a handle assembly 400. The box body 100 is used for storing a lithium battery for supplying power to the electric vehicle, the cover body is used for covering the box body 100, and the cover body is connected with the box body 100 through the buckling part 300 so that the cover plate 200 is clamped and fixed with the box body 100. The handle assembly 400 includes a handle fixing plate 410 and a handle body 420 movably connected to the handle fixing plate 410, the handle fixing plate 410 is used to fix the handle body 420 to the body of the electric vehicle, the handle body 420 is connected to the buckling part 300 through a handle wire 430, and the handle body 420 is pulled to enable the handle body 420 and the handle fixing plate 410 to slide relatively. The handle body 420 drives the handle line 430 to slide, and the handle line 430 drives the buckling part 300 to release the clamping between the cover and the box 100. In the lithium battery fixing structure provided by the application, the handle body 420 is connected with the buckling parts of the connecting box body 100 and the cover plate 200 through the handle line 430, so that the handle assembly 400 is not directly fixed on the box body 100 but can be fixed to other positions on the electric vehicle, and a user can conveniently operate the handle assembly 400 to release the clamping fixation between the box body 100 and the cover plate 200.

Referring to fig. 2 and 3, in an alternative embodiment of the present invention, a through hole 411 is disposed on the handle fixing plate 410 of the lithium battery fixing structure, the handle body 420 is disposed in the through hole 411 in a penetrating manner, the handle body 420 includes a cylinder 422 and a protrusion 421 disposed at one end of the cylinder 422, the other end of the cylinder 422 is connected to the handle wire 430, wherein the width of the protrusion 421 is greater than the diameter of the through hole 411, and the cylinder 422 of the handle body 420 can move in the through hole 411.

As shown in fig. 3, the handle body 420 includes a cylinder 422 and a protrusion 421 disposed at the upper end of the cylinder 422, the cylinder 422 is inserted into the through hole 411 and the handle fixing plate 410 is slidably connected, and the protrusion 421 disposed at the upper end of the cylinder 422 can prevent the handle body 420 from directly passing through the handle fixing plate 410 when the handle body 420 is reset, so that the user cannot pull up the handle body 420 when the handle body 420 is used next time.

Note that, in the lithium battery fixing structure provided by the present invention, the shape of the convex portion 421 is not limited, as long as the width of the convex portion 421 is larger than the diameter of the through hole 411. For example, the protrusion 421 may be a spherical protrusion 421, a rectangular protrusion 421, a polygonal protrusion 421, or the like fixed to the upper end of the cylinder 422.

In the lithium battery fixing structure provided by the present invention, the shape of the column 422 is not limited, as long as the lithium battery fixing structure can be slidably connected to the handle fixing plate 410 and drive the handle wire 430 to move, for example, as shown in fig. 3, the column 422 is a cylinder, correspondingly, the through hole 411 is a circular through hole 411, and the diameter of the circular through hole 411 is greater than that of the cylinder, so that the column 422 can penetrate through the through hole 411 and slidably connected to the handle fixing plate 410. A protrusion 421 is provided at the upper end of the cylinder 422, and a handle wire 430 is detachably connected to the lower end of the cylinder 422.

As shown in fig. 2, in an alternative embodiment of the present invention, a receiving groove 414 is formed on the handle fixing plate 410 of the lithium battery fixing structure, the through hole 411 is located at a bottom surface of the receiving groove 414, and the protrusion 421 of the handle body 420 can be received in the receiving groove 414. The handle body 420 is disposed in the through hole 411 in a penetrating manner, and the handle body 420 is disposed in the accommodating groove 414, so that damage to the handle body 420 due to collision is avoided. It should be noted that, in order to ensure that the handle body 420 is not damaged, in an optional embodiment of the present invention, the depth of the accommodating groove 414 is greater than the height of the handle body 420, so as to completely accommodate the handle body 420 into the accommodating groove 414.

In order to avoid the damage of the handle body 420 caused by sliding on the handle fixing plate 410 for many times, as shown in fig. 4, in an alternative embodiment of the present invention, the lithium battery fixing structure is further sleeved with a column sleeve 440 on the column 422 of the handle body 420, and the column sleeve 440 is disposed in the through hole 411.

It should be noted that, in the lithium battery fixing structure provided by the present invention, the shape of the column sleeve 440 is not limited, as long as the column sleeve 440 can be fixed on the handle fixing plate 410 and sleeved on the column 422 of the handle body 420. Illustratively, the column sleeve 440 may be a linear bearing, the linear bearing is fixed on the handle fixing plate 410 through the through hole 411, and the column 422 of the handle body 420 passes through a bearing hole of the linear bearing and is slidably connected with the linear bearing.

Alternatively, in order to fix the post sleeve 440 to the handle fixing plate 410, as shown in fig. 4, the lithium battery fixing structure is provided with a screw thread on the outer circumference of the post sleeve 440, a stepped surface is formed at one end of the post sleeve 440 to abut against the bottom surface of the receiving groove 414 through the stepped surface, and a nut 450 screwed to the other end of the post sleeve 440. Wherein, in order to fix the column cover 440 to the handle fixing plate 410, in an alternative embodiment of the present invention, the width of the nut 450 is greater than that of the through hole 411.

As shown in fig. 3, a protrusion 423 is usually disposed at an end of the cylinder 422 of the handle body 420 far from the protrusion 421, so as to prevent the handle body 420 from being separated from the handle fixing plate 410 due to an excessively long distance for pulling the handle body 420, and thus the handle body 420 needs to be installed again. Note that, in general, the width of the projection 423 is also larger than the width of the through hole 411.

Alternatively, in order to mount the handle body 420 having the protrusion 421 at one end and the protrusion 423 at the other end on the handle fixing plate 410, as shown in fig. 2, the lithium battery fixing structure has an introduction groove 412 opened from one side of the handle fixing plate 410 toward the through hole 411, the introduction groove 412 is communicated with the through hole 411 to form an opening, and the cylinder 422 of the handle body 420 is inserted into the through hole 411 through the opening. In use, the post 422 is inserted into the through hole 411 from the introduction groove 412.

Alternatively, in order to prevent the handle body 420 from being separated from the introduction groove 412, as shown in fig. 2, the width of the introduction groove 412 of the lithium battery fixing structure is smaller than the diameter of the through hole 411.

However, when the width of the introduction groove 412 is large, the tab body 420 is separated from the introduction groove 412, but when the introduction groove 412 is small, the tab body 420 is difficult to be attached to the introduction groove 412.

In order to prevent the handle body 420 from being separated from the introduction groove 412 and easily entering the through hole 411 from the introduction groove 412, as shown in fig. 2, in an alternative embodiment of the present invention, the width of the opening of the introduction groove 412 of the lithium battery fixing structure is greater than the width of the bottom of the introduction groove 412, and the width of the bottom of the introduction groove 412 is smaller than the diameter of the through hole 411.

As shown in fig. 2, in an alternative embodiment provided by the present invention, the lithium battery fixing structure is symmetrically provided with mounting grooves 413 at two sides of the handle fixing plate 410, and the handle fixing plate 410 is fixedly connected to the plate body to be fixed at the mounting grooves 413 by a threaded fastening connection. The handle fixing plate 410 is symmetrically provided with the mounting grooves 413 and is fixedly connected with the plate body to be fixed at the mounting grooves 413 by the screw fastening connection piece, the handle fixing plate 410 can be firmly connected with the plate body, and the screw fastening piece is arranged in the mounting groove 413, so that the screw fastening piece can be prevented from loosening.

In another aspect, the present invention provides an electric vehicle, which includes a vehicle body, a seat disposed on the vehicle body, and a lithium battery fixing structure as described above, wherein a box 100 of the lithium battery fixing structure is mounted and fixed on the vehicle body, a lithium battery for supplying power to the electric vehicle is disposed in a lithium battery compartment of the box 100, and a handle assembly 400 is accommodated in a seat barrel disposed under the seat.

In the electric vehicle according to the present invention, the fixing position of the case 100 to the body of the electric vehicle is not limited as long as the case 100 can be firmly fixed to the electric vehicle. For example, in order to maintain stability and safety of the electric vehicle, the case 100 may be fixed below the step position.

The electric vehicle adopting the lithium battery fixing structure can install the box body 100 below a foot-stepping position, fix the handle fixing plate 410 on the mounting plate inside the seat barrel, install the handle body 420 on the handle fixing plate 410, and connect the handle body 420 with the buckling part 300 installed on the box body 100 through the handle wire 430. When the lithium battery needs to be taken out, the seat barrel of the electric vehicle is opened by using a key, then the handle body 420 is pulled, the handle body 420 drives the handle line 430 to drive the buckling part 300, so that the cover plate 200 and the box body 100 are released from clamping and fixing, and a user opens the cover body, so that the lithium battery is taken out and replaced. After the lithium battery is replaced, the cover plate 200 is used for buckling the box body 100, so that the clamping and fixing of the cover plate 200 and the box body 100 cannot be released under the condition that the seat barrel cannot be opened, and therefore the electric vehicle provided by the utility model not only facilitates a user to operate the lithium battery fixing structure, but also has the function of preventing the lithium battery from being stolen.

The above description is only an alternative embodiment of the present invention, and is not intended to limit the present invention, and various modifications and variations of the present invention may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the utility model is not described in any way for the possible combinations in order to avoid unnecessary repetition.

Claims

1. The utility model provides a lithium battery fixing structure, its characterized in that, including the box that has the lithium cell storehouse, with the box passes through the fixed lid of buckling parts joint to and handle subassembly, handle subassembly include handle fixed plate and with handle fixed plate swing joint's handle body, the handle body pass through the handle line with the buckling parts is connected, the pulling handle body with relative slip between the handle fixed plate drives the buckling parts removes the joint.

2. The lithium battery fixing structure according to claim 1, wherein a through hole is formed in the handle fixing plate, the handle body is inserted into the through hole, the handle body includes a cylinder and a protrusion disposed at one end of the cylinder, and the other end of the cylinder is connected to the handle wire, wherein the protrusion has a width larger than a diameter of the through hole, and the cylinder of the handle body can move in the through hole.

3. The lithium battery fixing structure as claimed in claim 2, wherein the handle fixing plate is formed with a receiving groove, the through hole is located at a bottom surface of the receiving groove, and the protrusion of the handle body is received in the receiving groove.

4. The lithium battery fixing structure as claimed in claim 3, wherein a column sleeve is further sleeved on the column body of the handle body, and the column sleeve is arranged in the through hole.

5. The lithium battery fixing structure as claimed in claim 4, wherein a screw thread is provided at an outer circumference of the column cover, a stepped surface is formed at one end of the column cover to abut against a bottom surface of the receiving groove through the stepped surface, and a nut screw-coupled is provided at the other end of the column cover.

6. The lithium battery fixing structure according to claim 2, wherein an introduction groove is formed from one side of the handle fixing plate toward the through hole, the introduction groove communicates with the through hole to form an opening, and the column of the handle body is inserted into the through hole through the opening.

7. The lithium battery fixing structure as claimed in claim 6, wherein the width of the introduction groove is smaller than the diameter of the through hole.

8. The lithium battery fixing structure as claimed in claim 6, wherein the width of the opening of the introduction groove is larger than the width of the bottom of the introduction groove, and the width of the bottom of the introduction groove is smaller than the diameter of the through hole.

9. The lithium battery fixing structure according to claim 1, wherein mounting grooves are symmetrically formed on both sides of the handle fixing plate, and the handle fixing plate is fixedly connected with a plate body to be fixed at the mounting grooves by a threaded fastening connecting piece.

10. An electric vehicle, characterized in that, it includes a vehicle body, a vehicle seat arranged on the vehicle body and a lithium battery fixing structure as claimed in any one of claims 1-9, the box body of the lithium battery fixing structure is fixed on the vehicle body, the lithium battery for supplying power to the electric vehicle is connected and arranged in the lithium battery chamber of the box body, and the handle component is accommodated and arranged in the seat barrel under the vehicle seat.