CN214492508U - Electric vehicle and battery box system thereof - Google Patents

Abstract

The embodiment of the application provides an electric vehicle and a battery box system thereof. The battery rack is arranged on a frame of the electric vehicle, and a first electric plug connected with a power supply system of the electric vehicle is arranged on the inner side of the battery rack; the battery box is used for bearing the battery box, and one side of the battery box is provided with a second electric plug matched with the first electric plug; the locking mechanism is arranged on the battery box and is provided with a telescopic component for locking the battery box on the battery frame by utilizing the telescopic component. Obviously, the battery box system of this application has realized the power supply to electric vehicle and has realized the locking to the battery box through a few less parts promptly, and the structure is simpler to improved the reliability, and because adopted simple structure to reduce manufacturing cost.

Description

Electric vehicle and battery box system thereof

Technical Field

The application relates to the technical field of electric automobiles, in particular to an electric vehicle and a battery box system thereof.

Background

In view of the fact that the current battery technology and charging technology cannot meet the requirement of rapid charging of vehicles, people generally use a method for rapidly replacing a battery to solve the problem, and the inventor of the present application finds through search that the following schemes exist for locking a detachable battery, such as:

1. the invention relates to a quick-change electric vehicle battery box with application number 200810006771.6, which comprises the following components: the battery pack assembly and disassembly device comprises a battery pack, an inner box body, an outer box body and a detachment slide way, wherein the slide way is arranged between the inner box body and the outer box body and comprises an upper slide way and a lower slide way; the upper run includes a plurality of rollers that are movable within the lower run.

2. A battery case locking device of application No. 201310714851.8, the invention has a locked state and an unlocked state, the locking mechanism includes a first link; the interlocking mechanism comprises an interlocking main body connected with the locking mechanism, and the interlocking mechanism controls the locking mechanism to be switched between a locking state and an unlocking state; a damping mechanism that limits axial movement of the first link when the first link is subjected to an axial force that is less than a predetermined axial force.

3. The invention provides a battery box unlocking device with application number 201711482887.2, a battery box and a battery box quick battery replacement system, wherein the battery box unlocking device comprises a mounting seat, a telescopic mechanism, a transmission mechanism and a locking mechanism; the locking mechanism is used for locking and fixing the box body of the battery box on a battery fixing frame of the electric automobile; the telescopic mechanism penetrates through the mounting seat and performs telescopic motion in the mounting seat relative to the transmission mechanism under the action of an unlocking external force; one end of the transmission mechanism is connected with the telescopic mechanism, and the other end of the transmission mechanism is connected with the locking mechanism; the telescopic motion of the telescopic mechanism drives the transmission mechanism to move between the telescopic mechanism and the locking mechanism, and the locking or unlocking of the locking mechanism is controlled. The battery box comprises a box body and a battery box unlocking device. Quick battery replacement system of battery box includes: battery mount, trade electric equipment and battery box.

In the process of implementing the above schemes, the applicant of the present application finds that the schemes of the several schemes are relatively complicated and complex in structure, which not only results in poor reliability, but also results in high manufacturing cost due to the complex structure, and thus cannot be widely popularized.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present application provides an electric vehicle and a battery box system method thereof, so as to solve the problems of complex structure and high manufacturing cost of the existing solutions.

In order to solve the above problem, the present application discloses a battery box system, is applied to electric vehicle, battery box system includes battery frame, battery box and locking mechanism, wherein:

the battery rack is arranged on a frame of the electric vehicle, and a first electric plug connected with a power supply system of the electric vehicle is arranged on the inner side of the battery rack;

the battery box is used for bearing the battery box, and a second electric plug matched with the first electric plug is arranged on one side of the battery box;

the locking mechanism is arranged on the battery box and is provided with a telescopic component, and the telescopic component is used for locking the battery box on the battery frame.

Optionally, rollers are arranged on the bottom and the side wall of the inner side of the battery rack;

the bottom and the outer wall of the outer portion of the battery box are provided with tracks matched with the rollers, and the tracks respectively comprise a bottom track and a side track.

Optionally, the bottom rail has a slope.

Optionally, the edge of the side rail has a flared shape.

And the side wall is also provided with a locking hole matched with the end head of the push rod of the telescopic part.

Optionally, the locking mechanism includes a lock catch and two telescopic parts, the lock catch is located between the two telescopic parts, one push rod end of one telescopic part faces one side of the locking hole on the side wall, and the other push rod end of the other telescopic part faces the other side of the locking hole on the side wall.

Optionally, the telescopic part is including fixing uide bushing on the battery box push rod, pivot, locking lever, spring and push rod end have set gradually in the uide bushing, wherein:

the push rod comprises a push rod sliding block and a push rod blocking surface;

the rotating shaft comprises a rotating shaft sliding block;

and a first slide way end face, a slide way, a second slide way end face and a third slide way end face are arranged in the guide sleeve.

An electric vehicle is also provided, provided with the battery box system as described above.

According to the technical scheme, the electric vehicle and the battery box system thereof are provided, and the system specifically comprises a battery frame, a battery box and a locking mechanism. The battery rack is arranged on a frame of the electric vehicle, and a first electric plug connected with a power supply system of the electric vehicle is arranged on the inner side of the battery rack; the battery box is used for bearing the battery box, and one side of the battery box is provided with a second electric plug matched with the first electric plug; the locking mechanism is arranged on the battery box and is provided with a telescopic component for locking the battery box on the battery frame by utilizing the telescopic component. Obviously, the battery box system of this application has realized the power supply to electric vehicle and has realized the locking to the battery box through a few less parts promptly, and the structure is simpler to improved the reliability, and because adopted simple structure to reduce manufacturing cost.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic diagram of a battery box system according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of a battery stand according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of a battery box according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a telescoping member according to an embodiment of the present application;

FIG. 5 is an enlarged view of a portion of the telescoping section of an embodiment of the present application;

FIG. 6 is a schematic view of an embodiment of the present application with the telescoping section in an unlocked position;

FIG. 7 is a schematic view of an embodiment of the present application with the telescoping section in a locked position;

fig. 8 is a schematic diagram illustrating an unlocking and detaching process of the battery box according to the embodiment of the present application;

fig. 9 is a schematic diagram of a process of installing and locking the battery box according to the embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. 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 application.

Example one

Fig. 1 is a schematic structural diagram of a battery box system according to an embodiment of the present application.

Referring to fig. 1, the battery box system provided in this embodiment is applied to an electric vehicle, specifically, is mounted on a frame of the electric vehicle, and specifically includes a battery frame 10, a battery box 20, and a locking mechanism 30.

The battery holder is arranged on the frame of the electric vehicle, and the inside thereof is provided with a first electric plug 11 electrically connected to the power supply system of the electric vehicle, as shown in fig. 2. The battery frame is used as a carrier of the battery box. The battery box can be pushed into and fixed on the battery rack, the second electric plug matched with the first electric plug is arranged on the bottom surface of the battery box, when the battery box is fixed on the battery rack, the first electric plug and the second electric plug are perfectly plugged together, and the battery in the battery box and the power supply circuit can be supplied with power through the power supply system of the electric vehicle with the first electric plug and the second battery box.

In order to prevent the battery box from falling off easily from the battery frame, a locking mechanism is further arranged and used for fixing the battery box on the battery frame. The locking mechanism is provided with at least one telescopic component which fixes the battery box on the battery frame through telescopic action.

As can be seen from the above technical solutions, the present embodiment provides a battery box system, which is applied to an electric vehicle and specifically includes a battery rack, a battery box, and a locking mechanism. The battery rack is arranged on a frame of the electric vehicle, and a first electric plug connected with a power supply system of the electric vehicle is arranged on the inner side of the battery rack; the battery box is used for bearing the battery box, and one side of the battery box is provided with a second electric plug matched with the first electric plug; the locking mechanism is arranged on the battery box and is provided with a telescopic component for locking the battery box on the battery frame by utilizing the telescopic component. Obviously, the battery box system of this application has realized the power supply to electric vehicle and has realized the locking to the battery box through a few less parts promptly, and the structure is simpler to improved the reliability, and because adopted simple structure to reduce manufacturing cost.

In order to facilitate the entrance and exit of the battery box into and out of the battery rack, rollers 12 are provided on both the bottom and the side walls of the inside of the battery rack, as shown in fig. 2. And the outer end of the side wall is provided with a locking hole 13 matched with the end of the push rod of the telescopic part, and two sides of the locking hole are respectively provided with one. And as shown in fig. 3, a bottom rail 22 and a side rail 25 matched with the rollers on the upper bottom of the battery rack are arranged on the bottom of the battery box.

Wherein, the bottom track has the slope to have a thrust towards the inboard after this battery box is installed in place, be convenient for keep the steady state of battery box. The edge of the side rail has a bell mouth shape, namely, the opening of the edge part is larger and becomes smaller towards the inner side, so that the positioning function can be realized.

In one embodiment of the present application, a particular locking mechanism is provided that includes a latch 23 and two telescoping members. The telescopic component comprises a guide sleeve 32 fixed on the battery box, and a push rod 31, a rotating shaft 33, a lock rod 34, a spring 35 and a push rod end 36 are sequentially arranged in the guide sleeve as shown in fig. 4. As shown in fig. 5, the push rod includes a push rod slider 311 and a push rod blocking surface 312, the rotating shaft includes a rotating shaft slider 331, and a first slide way end surface 321, a slide way 322, a second slide way end surface 323, and a third slide way end surface 324 are disposed in the guide sleeve.

When the telescopic component presses the push rod for the first time, the push rod moves rightwards, the rotating shaft is driven to rotate for a certain angle, the rotating shaft clamping block is in contact with the clamping surface of the guide sleeve, the lock rod overcomes the elastic force of the spring to extend out of the guide sleeve under the action of thrust, and the telescopic mechanism is in a locking state, as shown in fig. 6; the telescopic component presses the push rod for the second time, so that the push rod moves towards the right side, the rotating shaft is driven to move rightwards along the guide sleeve rail under the action of the elastic force of the spring after rotating for a certain angle, the rotating shaft stops when contacting with the blocking surface of the push rod, at the moment, the lock rod moves leftwards under the action of the spring force, and the mechanism is in an unlocking state, as shown in fig. 7.

The right end of the spring is jointed with the end head of the push rod, the spring freely extends without external force, and the left end of the spring is jointed with the shaft shoulder of the lock rod; the left end face of the lock rod is contacted with the right end face of the rotating shaft; the rotating shaft sliding block is contacted with the blocking surface of the push rod; the push rod sliding block is limited by the end face of the first slideway of the guide sleeve. At this time, the spring is freely extended, the lock rod is in a retraction state, and the telescopic mechanism is unlocked.

The push rod is pressed by the locking and unlocking push force, and the push rod pushes the rotating shaft to move rightwards simultaneously; when the sliding block moves to a specified displacement position, the rotating shaft sliding block is contacted with the end face of the third slideway, is separated from the blocking surface of the push rod, and rotates for a certain angle under the guiding action of the gradient of the end face of the third slideway; when the locking and unlocking thrust is removed, the rotating shaft sliding block moves leftwards under the action of the elastic force of the spring and stops when being limited by the end face of the third rail of the guide sleeve, and the push rod is in a locking state at the moment.

The locking and unlocking mechanism presses the push rod, and the push rod pushes the rotating shaft to move rightwards simultaneously; when the sliding block moves to the maximum displacement position, the rotating shaft sliding block is separated from the end face of the third track and continues to rotate for a certain angle under the guiding action of the end face of the second slideway; when the push rod rotates to the slide way, the push rod moves leftwards under the action of the elastic force of the spring and is contacted with the blocking surface of the push rod; the push rod sliding block continues to move leftwards along the slide way under the action of elastic force until the push rod sliding block is limited by the end face of the first slide way, at the moment, the push rod resets, and the telescopic mechanism is in an unlocking state.

As shown in fig. 8, the unlocking and disassembling process of the battery box includes:

1) unlocking: the locking and unlocking mechanism moves to a position close to the front panel of the power-deficient battery box, and the push rod moves to two sides under the thrust action of the locking and unlocking mechanism;

2) when the two ends of the unlocking mechanism are pushed, the push rod reaches the maximum displacement;

3) the unlocking mechanism continues to advance, crosses the push rod and enters the lock catch, and at the moment, the push rod rebounds to reset;

4) the unlocking mechanism rotates clockwise by 90 degrees and pulls out the power-deficient battery box;

5) the unlocking mechanism rotates clockwise by 45 degrees and exits from the lock catch;

6) and completing the unlocking action and the battery disassembling process.

As shown in fig. 9, the installation and locking process of the battery box is as follows:

1) the locking and unlocking mechanism moves to a position close to the front panel of the full-charge battery box, and the push rod moves to two sides under the thrust action of the locking and unlocking mechanism;

2) when the two ends of the unlocking mechanism are pushed, the push rod reaches the maximum displacement;

3) the unlocking mechanism continues to be pushed to cross the push rod and enter the lock catch, the push rod rebounds to a displacement S2, and the locking structure is in a locking state;

4) the unlocking mechanism rotates clockwise by 45 degrees and exits from the lock catch;

5) and finishing the installation and adding process of the battery box.

Example two

The present embodiment provides an electric vehicle provided with the battery box system provided in the previous embodiment, which includes a battery holder, a battery box, and a lock mechanism. The battery rack is arranged on a frame of the electric vehicle, and a first electric plug connected with a power supply system of the electric vehicle is arranged on the inner side of the battery rack; the battery box is used for bearing the battery box, and one side of the battery box is provided with a second electric plug matched with the first electric plug; the locking mechanism is arranged on the battery box and is provided with a telescopic component for locking the battery box on the battery frame by utilizing the telescopic component. Obviously, the battery box system of this application has realized the power supply to electric vehicle and has realized the locking to the battery box through a few less parts promptly, and the structure is simpler to improved the reliability, and because adopted simple structure to reduce manufacturing cost.

The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

While preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the true scope of the embodiments of the application.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.

The technical solutions provided by the present application are introduced in detail, and specific examples are applied in the description to explain the principles and embodiments of the present application, and the descriptions of the above examples are only used to help understanding the method and the core ideas of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (7)

1. A battery box system is applied to electric vehicles, which is characterized by comprising a battery frame, a battery box and a locking mechanism, wherein:

the battery rack is arranged on a frame of the electric vehicle, and a first electric plug connected with a power supply system of the electric vehicle is arranged on the inner side of the battery rack;

the battery box is used for bearing the battery box, and a second electric plug matched with the first electric plug is arranged on one side of the battery box;

the locking mechanism is arranged on the battery box and is provided with a telescopic component, and the telescopic component is used for locking the battery box on the battery frame.

2. The battery box system of claim 1, wherein rollers are provided on the bottom and side walls of the inside of the battery rack;

tracks matched with the rollers are arranged on the bottom and the outer wall of the outer part of the battery box, and the tracks respectively comprise a bottom track and a side track;

and the side wall is also provided with a locking hole matched with the end head of the push rod of the telescopic part.

3. The battery box system of claim 2, wherein the bottom rail has a slope.

4. The battery box system of claim 2, wherein the edges of the side rails have a flared shape.

5. The battery box system of claim 1, wherein said locking mechanism comprises a latch and two telescoping members, said latch being positioned between said telescoping members, a pusher end of one of said telescoping members facing a locking aperture in said side wall on one side and a pusher end of the other of said telescoping members facing a locking aperture in said side wall on the other side.

6. The battery box system of claim 5, wherein the retractable member comprises a guide sleeve fixed on the battery box, and a push rod, a rotating shaft, a lock rod, a spring and a push rod end are sequentially arranged in the guide sleeve, wherein:

the push rod comprises a push rod sliding block and a push rod blocking surface;

the rotating shaft comprises a rotating shaft sliding block;

and a first slide way end face, a slide way, a second slide way end face and a third slide way end face are arranged in the guide sleeve.

7. An electric vehicle characterized by being provided with the battery box system according to any one of claims 1 to 6.

Images