CN211139007U

CN211139007U - Battery replacement locking mechanism, locking and unlocking device and electric vehicle

Info

Publication number: CN211139007U
Application number: CN201921652074.8U
Authority: CN
Inventors: 叶庆丰; 戴有发; 邱胜国; 周爱军; 袁丹
Original assignee: Bozhon Precision Industry Technology Co Ltd
Current assignee: Bozhon Precision Industry Technology Co Ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-07-31
Anticipated expiration: 2029-09-30

Abstract

The utility model provides a battery-replacing locking mechanism, which comprises a clamping lock body used for locking a battery lock shaft; the locking body comprises a locking base, a locking block and a locking shaft; the lock base is fixed on the vehicle body frame to form a fixed support; the lock base is provided with a first limit outline and an opening; the battery lock shaft can enter the lock base along the opening; the locking block is pivoted in the lock base; a second limiting outline is arranged on the locking block; the locking shaft is respectively abutted against the first limiting contour and the second limiting contour; the locking shaft moves along the first limiting contour under the driving of external force, and the first limiting contour is not parallel to the second limiting contour, so that the locking block rotates to switch the locking state and the unlocking state of the locking block. The utility model discloses still relate to locking and unlocking device, electric motor car. The utility model relates to an ingenious, rational in infrastructure, adopt high-efficient and reliable locking structure mechanism to realize being connected of new forms of energy car battery and automobile body, the unblock mode is simple reliable, satisfies the requirement that the new forms of energy car trades the electricity fast, and the facilitate promotion is used.

Description

Battery replacement locking mechanism, locking and unlocking device and electric vehicle

Technical Field

The utility model belongs to quick replacement battery field, concretely relates to trade electric locking mechanism, add unlocking device, electric motor car.

Background

With the increasingly widespread use of various new energy vehicles such as electric vehicles and hybrid vehicles, technologies related to the quick change of batteries and the like are becoming the subject of attention and research.

The weight of a battery in the new energy vehicle is large, and the connection between the battery and the vehicle body is easily influenced by the shake and inertia in the process of travel; meanwhile, in order to realize quick replacement of the battery, the connecting structure needs to have the capability of quick unlocking; under the circumstance, an efficient and reliable locking structure mechanism is urgently needed to be designed to realize the connection between the new energy vehicle battery and the vehicle body.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a trade electric locking mechanism adopts high-efficient and reliable locking structure mechanism to realize being connected of new forms of energy car battery and automobile body, and the unblock mode is simple reliable, satisfies the requirement that the new forms of energy car trades the electricity fast.

The utility model provides a battery-replacing locking mechanism, which comprises a clamping lock body used for locking a battery lock shaft; the locking body comprises a locking base, a locking block and a locking shaft; wherein the content of the first and second substances,

the lock base is fixed on the vehicle body frame to form a fixed support; the lock base is provided with a first limiting outline and an opening; a battery lock shaft is accessible along the opening into the lock base;

the locking block is pivoted in the lock base; a second limiting outline is arranged on the locking block;

the locking shaft is respectively abutted against the first limiting contour and the second limiting contour; the locking shaft moves along the first limiting contour under the driving of external force, and the first limiting contour is not parallel to the second limiting contour, so that the locking block rotates to switch the locking state and the unlocking state of the locking block.

Preferably, one end of the locking piece protrudes to form a first limiting part; when the locking piece is in a locking state, the locking piece and the lock base form a clamping area of the battery lock shaft, and the first limiting part is used for limiting the battery lock shaft to move out of the lock base.

Preferably, the second limiting contour is at least two mutually communicated and nonparallel contours.

Preferably, the second limit profile is a groove structure.

Preferably, the top of the locking block is provided with a connecting groove; the connecting groove is used for inserting and connecting the connecting structure of the locking shaft.

Preferably, the first limit profile is a linear groove.

Preferably, the locking shaft comprises a first shaft section, a second shaft section; wherein; the first shaft segment is for contacting the first limit profile; the second shaft section is for contacting the second limit profile.

Preferably, the opening is located in a side wall of the lock base.

Preferably, the opening extends in a horizontal direction so that the battery lock shaft enters the lock base in an in-horizontal-plane direction.

Preferably, the lock base comprises a first housing, a second housing; wherein the content of the first and second substances,

the first shell and the second shell are mutually assembled to form an accommodating cavity of the locking block; the locking block is pivoted with the inner wall of the first shell and/or the second shell through a rotating shaft.

Preferably, the first housing and/or the second housing is provided with a contact block for limiting the rotation of the lock block.

Preferably, the latch body further includes a reset member contacting the locking piece for forming a restoring force for restoring the locking piece to the locked state or the unlocked state.

Preferably, the inner wall of the first limiting part is provided with a first limiting end face used for abutting against the battery lock shaft.

Preferably, the first limiting end surface is a plane.

Preferably, a first fillet is arranged on one side face of the first limiting part, and the tail end of the first fillet borders on the first limiting end face.

Preferably, the tail end of the first limiting end face is a first arc face, and the first arc face is used for limiting the battery lock shaft.

A locking and unlocking device comprises the lock body and a connecting rod; wherein the content of the first and second substances,

the connecting rod is provided with a plurality of locking shafts used for connecting the clamping lock bodies, and an external power mechanism pushes the driving part of the connecting rod so that the clamping lock bodies can be locked or unlocked simultaneously.

Preferably, the driving portion is located between two adjacent latch bodies.

An electric vehicle comprises a vehicle body provided with a battery, wherein the vehicle body is provided with the locking and unlocking device; the connecting rod of the locking and unlocking device is arranged on one side of a fixed bracket for mounting a battery.

Preferably, the electric vehicle comprises a chassis, and the locking and unlocking device is fixed on the chassis.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a battery-replacing locking mechanism, which comprises a clamping lock body used for locking a battery lock shaft; the locking body comprises a locking base, a locking block and a locking shaft; wherein, the lock base is fixed on the vehicle body frame to form a fixed support; the lock base is provided with a first limit outline and an opening; the battery lock shaft can enter the lock base along the opening; the locking block is pivoted in the lock base; a second limiting outline is arranged on the locking block; the locking shaft is respectively abutted against the first limiting contour and the second limiting contour; the locking shaft moves along the first limiting contour under the driving of external force, and the first limiting contour is not parallel to the second limiting contour, so that the locking block rotates to switch the locking state and the unlocking state of the locking block. The utility model discloses still relate to locking and unlocking device, electric motor car. The utility model relates to an ingenious, rational in infrastructure, adopt high-efficient and reliable locking structure mechanism to realize being connected of new forms of energy car battery and automobile body, the unblock mode is simple reliable, satisfies the requirement that the new forms of energy car trades the electricity fast, and the facilitate promotion is used.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the latch body according to an embodiment of the present invention;

FIG. 2 is a partial structural view of the latch body in a locked state according to an embodiment of the present invention;

FIG. 3 is a partial front view of the latch body according to an embodiment of the present invention;

FIG. 4 is an elevational view of the latch body in an unlocked position in accordance with an embodiment of the present invention;

fig. 5 is a front view of a latch structure according to an embodiment of the present invention;

fig. 6 is a schematic view of the overall structure of the locking and unlocking device according to an embodiment of the present invention;

fig. 7 is a schematic view of a partial structure of the locking and unlocking device according to an embodiment of the present invention;

shown in the figure:

the locking device comprises a locking body 100, a first shell 111, a first limit contour 1111, a second shell 112, an opening 113, a locking tongue 120, a connecting groove 121, a second limit contour 122, a first line groove 1221, a second line groove 1222, a first limit part 123, a first fillet 1231, a clamping area 124, a first arc surface 1241, a first limit end surface 1242, a locking shaft 130, a battery lock shaft 200, a connecting rod 300, a driving part 310 and a connecting part 320.

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a more detailed description of the present invention, which will enable those skilled in the art to make and use the present invention. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the following embodiments or technical features can be used to form a new embodiment without conflict.

An electricity switching locking mechanism, as shown in fig. 1 and 2, comprises a latch body 100 for locking a battery lock shaft 200; the latch body 100 includes a latch base, a latch piece 120, and a latch shaft 130; wherein the content of the first and second substances,

the lock base is fixed on the vehicle body frame to form a fixed support; the lock base is provided with a first limit outline 1111 and an opening 113; the battery lock shaft 200 can enter the lock base along the opening 113;

the locking piece 120 is pivoted in the lock base; a second limiting contour 122 is arranged on the locking block 120; in one embodiment, as shown in fig. 3, one end of the locking block 120 protrudes to form a first position-limiting portion 123; when the locking piece 120 is in a locked state, the locking piece 120 and the lock base form a clamping area 124 of the battery lock shaft 200, and the first limiting portion 123 is used for limiting the battery lock shaft 200 to move out of the lock base.

The locking shaft 130 abuts against the first limit contour 1111 and the second limit contour 122 respectively; the locking shaft 130 is driven by an external force to move along the first limit profile 1111, and the first limit profile 1111 is not parallel to the second limit profile 122, so that the locking block 120 rotates to switch the locking state and the unlocking state of the locking block 120. In this embodiment, as shown in fig. 4 and 5, when the battery lock shaft 200 is located at the opening 113 and has not yet reached the locking position, the locking piece 120 is lifted up by the driving force of the locking shaft 130, so that the first position-limiting part 123 is moved away from the opening 113, thereby allowing the battery lock shaft 200 to enter; when the battery lock shaft 200 reaches the locking position, the lock piece 120 rotates counterclockwise as shown in fig. 4 under the driving force of the locking shaft 130, the first position-limiting portion 123 blocks the battery lock shaft 200 to perform a locking function, and the locking state is shown in fig. 2.

It should be understood that the first limit contour 1111 is located on the lock base, and since the lock base is fixed on the vehicle body to form a rigid foundation, when the first limit contour 1111 is not parallel to the second limit contour 122, and at the same time, there is a component extending in the radial direction of rotation between the first limit contour 1111 and the second limit contour 122, and the movement of the locking shaft 130 as a rigid body in one direction will generate a driving force to the second limit contour 122, so as to drive the lock block 120 to rotate.

It should also be appreciated that the first limit profile 1111 may be configured on an inner wall of the lock base, such as an inner wall of the first housing 111 and/or the second housing 112 used to form the lock base; it should be noted that the first limit profile 1111 may be configured as a blind slot or a through slot, as shown in fig. 1, the first limit profile 1111 is a through slot, which is convenient for observation and installation and maintenance.

It should be further noted that, taking the lock block 120 as a rotation center, the second limiting profile 122 has a variation in the radial direction, as shown in fig. 2-5, the second limiting profile 122 is at least two mutually connected and non-parallel profiles, the second limiting profile 122 is a groove structure, in an embodiment, the second limiting profile 122 includes a first line groove 1221 and a second line groove 1222; the first line slot 1221 corresponds to a position of the locking shaft 130 in the locked state, and the second line slot 1222 corresponds to a position of the locking shaft 130 in the unlocked state. It should be understood that the first limit profile 1111 and the second limit profile 122 may also be configured as a flange-to-groove, flange-to-flange mating configuration, and are not limited to the channel-type configuration shown in the figures.

In a preferred embodiment, as shown in fig. 2, the top of the locking block 120 is provided with a connecting slot 121; the coupling groove 121 is used to insert a coupling structure for coupling the locking shaft 130. As shown in fig. 7, the connection groove 121 is used for the connection portion 320 of the plug link 300.

In a preferred embodiment, and as shown in figures 1 and 5, the first limit profile 1111 is a linear slot. Further, the first limit profile 1111 extends radially; it should be noted that the radial direction is a radial extending direction taking the pivot shaft 140 of the lock block 120 as a rotation center. As shown in fig. 5, the track of the locking shaft 130 is shown by a dotted line segment, which is in a radial direction, in this embodiment, the first line slot 1221 also extends in a radial direction, and the second line slot 1222 is at an angle to the radial direction, so that the locking block 120 generates a rotational moment during the radial movement of the locking shaft 130; particularly, when the included angle between the first line slot 1221 and the second line slot 1222 is 25-50 degrees, the locking and unlocking process movement is more efficient and stable.

In a preferred embodiment, as shown in FIG. 2, the locking shaft 130 includes a first shaft segment 131, a second shaft segment 132; wherein; the first shaft segment 131 is for contacting the first limit profile 1111; the second shaft section 132 is for contacting the second limit profile 122. In this embodiment, the second shaft section 132 is further pivotally connected to the connecting portion 320 of the link 300, and the locking shaft 130 is driven by the link 300 to move, so as to switch between the locking state and the unlocking state.

The connecting part 320 can be connected with the locking shaft 130 in a welding, screwing and riveting mode; in a preferred embodiment, the connection portion 320 extends into the lock base and is inserted into the connection groove 121 of the lock block 120.

In one embodiment, an abutting portion is disposed at one end of the locking piece 120; the abutting part is used for being matched with the inner wall of the lock base to realize the rotation limit of the locking piece 120 and prevent the locking piece 120 from rotating excessively and being incapable of returning; the shape of conflict portion can be configured into strip, cubic, arcuation, and any structure that realizes spacing through the conflict effect all belongs to the utility model discloses a protection scope.

In a preferred embodiment, the open mouth 113 is located in a side wall of the lock base, as shown in FIGS. 1-4. In one embodiment, the opening 113 extends in a horizontal direction such that the battery lock shaft 200 enters the lock base in an in-horizontal direction. Therefore, the battery has more bearing structures in the vertical direction, and the battery is prevented from directly falling due to inertia or vibration.

In a preferred embodiment, as shown in fig. 1, the lock base includes a first housing 111, a second housing 112; wherein the content of the first and second substances,

the first shell 111 and the second shell 112 are assembled with each other to form an accommodating cavity of the lock block 120; the locking block 120 is pivotally connected to the inner wall of the first casing 111 and/or the second casing 112 through a rotating shaft.

In one embodiment, the latch body 100 further includes a reset member (not shown) contacting the locking piece 120 for forming a restoring force for restoring the locking piece 120 to the locked state or the unlocked state; the first housing 111 and/or the second housing 112 are provided with a contact block (not shown) for limiting the rotation of the lock block 120. On one hand, the reset piece is protected, and the condition that the reset piece cannot be restored due to over-rotation is prevented; and on the other hand, prevent the lock block 120 from over-rotating to form a dead point and cause structural failure. It should be understood that the reset member may be configured as a tension spring, a compression spring, a torsion spring, a coil spring, etc., and any structure or device capable of providing a reset force is within the scope of the present invention.

In a preferred embodiment, as shown in fig. 5, the inner wall of the first position-limiting portion 123 is provided with a first position-limiting end face 1242 for abutting against the battery lock shaft 200. The first limit end face 1242 is a plane. A first fillet 1231 is arranged on one side of the first limiting part 123, and the end of the first fillet 1231 borders the first limiting end face 1242. The end of the first limiting end face 1242 is a first arc face 1241, and the first arc face 1241 is used for limiting the battery lock shaft 200. In this embodiment, the first limiting end face 1242 extends along the tangential direction of the first arc face 1241 to form a limiting face of the battery lock shaft 200, and meanwhile, the end of the first limiting end face 1242 forms a first fillet 1231 through a chamfer, so that the first fillet 1231 ensures smooth transition in the process of contacting the battery lock shaft 200, thereby preventing unnecessary mechanical collision.

A locking and unlocking device comprises the lock body 100 and a connecting rod 300; wherein the content of the first and second substances,

the connecting rod 300 is provided with a plurality of connecting portions 320 for connecting the latch bodies 100, and the external unlocking mechanism pushes the driving portion 310 of the connecting rod 300, so that the latch bodies 100 are simultaneously locked or unlocked. In this embodiment, as shown in fig. 6, the driving portion 310 is jacked or pushed by the external unlocking mechanism, so as to drive the locking shaft 130 of the three-set card lock body 100 to rotate clockwise, so that the first limiting portion 123 is lifted and separated from contact with the battery lock shaft 200, and at this time, the battery lock shaft 200 is in a free state, thereby realizing quick unlocking of the battery. When locking, the accessible configuration resets and utilizes the resilience force to assist the locking, cooperates the motion of drive division 310 simultaneously for drive three sets of locking body 100's locking axle 130 anticlockwise rotations simultaneously, realize locking fast.

As shown in fig. 6, in order to distribute the unlocking driving force relatively uniformly, the driving portion 310 is located between two adjacent latch bodies 100.

The utility model also relates to an electric vehicle, which comprises a vehicle body provided with a battery, wherein the vehicle body is provided with the locking and unlocking device; the link 300 of the locking and unlocking device is disposed at a side of a fixing bracket for mounting a battery. It should be understood that any electric vehicle adopting the locking and unlocking device in the embodiment belongs to the protection scope of the present invention. In a preferred embodiment, the electric vehicle comprises a chassis, and the locking and unlocking device is fixed on the chassis.

The utility model relates to an ingenious, rational in infrastructure, adopt high-efficient and reliable locking structure mechanism to realize being connected of new forms of energy car battery and automobile body, the unblock mode is simple reliable, satisfies the requirement that the new forms of energy car trades the electricity fast, and the facilitate promotion is used.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the utility model can be smoothly implemented by the ordinary technicians in the industry according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. A battery replacement locking mechanism comprises a clamping lock body (100) used for locking a battery locking shaft (200); the method is characterized in that: the clamping lock body (100) comprises a lock base, a lock block (120) and a locking shaft (130); wherein the content of the first and second substances,

the lock base is fixed on the vehicle body frame to form a fixed support; the lock base is provided with a first limit outline (1111) and an opening (113); a battery lock shaft (200) is accessible to the lock base along the opening (113);

the lock block (120) is pivoted in the lock base; a second limiting contour (122) is arranged on the locking block (120);

the locking shaft (130) abuts against the first limit profile (1111), the second limit profile (122), respectively; the locking shaft (130) moves along the first limit profile (1111) under the driving of an external force, the first limit profile (1111) is not parallel to the second limit profile (122), so that the locking block (120) rotates to switch the locking state and the unlocking state of the locking block (120).

2. The battery replacement locking mechanism as claimed in claim 1, wherein: one end of the locking block (120) protrudes to form a first limiting part (123); when the locking block (120) is in a locking state, the locking block (120) and the lock base form a clamping area (124) of the battery lock shaft (200), and the first limiting part (123) is used for limiting the battery lock shaft (200) to move out of the lock base.

3. The battery replacement locking mechanism as claimed in claim 1, wherein: the second limiting contour (122) is at least two mutually communicated and nonparallel contours.

4. The battery replacement locking mechanism as claimed in claim 1, wherein: the second limiting profile (122) is of a groove structure.

5. The battery replacement locking mechanism as claimed in claim 4, wherein: the top of the locking block (120) is provided with a connecting groove (121); the connecting groove (121) is used for inserting and connecting a connecting structure of the locking shaft (130).

6. The battery replacement locking mechanism as claimed in claim 1, wherein: the first limit profile (1111) is a linear groove.

7. The battery replacement locking mechanism as claimed in claim 1, wherein: the locking shaft (130) comprises a first shaft section (131), a second shaft section (132); wherein; the first shaft section (131) is for contacting the first limit profile (1111); the second shaft section (132) is for contacting the second limit profile (122).

8. The battery replacement locking mechanism as claimed in claim 1, wherein: the opening (113) is located in a side wall of the lock base.

9. The battery swap locking mechanism of claim 8, wherein: the opening (113) extends in a horizontal direction so that the battery lock shaft (200) enters the lock base in a horizontal plane.

10. The battery replacement locking mechanism as claimed in claim 1, wherein: the lock base comprises a first shell (111), a second shell (112); wherein the content of the first and second substances,

the first shell (111) and the second shell (112) are mutually assembled to form a containing cavity of the locking block (120); the locking block (120) is pivoted with the inner wall of the first shell (111) and/or the second shell (112) through a rotating shaft.

11. The battery replacement locking mechanism as claimed in claim 10, wherein: and the first shell (111) and/or the second shell (112) is/are provided with a contact block for limiting the rotation of the locking block (120).

12. The battery replacement locking mechanism as claimed in claim 1, wherein: the latch body (100) further includes a reset member contacting the locking piece (120) for forming a restoring force for restoring the locking piece (120) to the locked state or the unlocked state.

13. The battery replacement locking mechanism as claimed in claim 2, wherein: the inner wall of the first limiting part (123) is provided with a first limiting end face (1242) used for being abutted against the battery lock shaft (200).

14. The battery swap locking mechanism of claim 13, wherein: the first limit end face (1242) is a plane.

15. The charging lock mechanism as claimed in claim 13 or 14, wherein: one side of the first limiting part (123) is provided with a first fillet (1231), and the tail end of the first fillet (1231) borders on the first limiting end face (1242).

16. The charging lock mechanism as claimed in claim 13 or 14, wherein: the tail end of the first limiting end face (1242) is a first arc face (1241), and the first arc face (1241) is used for limiting the battery lock shaft (200).

17. A locking and unlocking device, characterized in that: comprising a latch body (100) according to any one of claims 1 to 16, a link (300); wherein the content of the first and second substances,

the connecting rod (300) is provided with a plurality of connecting parts (320) for connecting the clamping lock bodies (100), and an external power mechanism pushes the driving part (310) of the connecting rod (300) so that the clamping lock bodies (100) can be locked or unlocked simultaneously.

18. The locking and unlocking device according to claim 17, wherein: the driving part (310) is positioned between two adjacent latch bodies (100).

19. The utility model provides an electric motor car, is including the automobile body of installing the battery which characterized in that: the vehicle body is provided with the locking and unlocking device as claimed in claim 17 or 18; the link (300) of the locking and unlocking device is disposed at one side of a fixing bracket for mounting a battery.

20. The electric vehicle of claim 19, wherein: the electric vehicle comprises a chassis, and the locking and unlocking device is fixed on the chassis.