CN217197744U

CN217197744U - Quick locking and unlocking device and electric automobile

Info

Publication number: CN217197744U
Application number: CN202123223837.7U
Authority: CN
Inventors: 李玉军; 侯艳丽; 李鸿键; 李鑫
Original assignee: Beijing Shengneng Energy Technology Co Ltd
Current assignee: Beijing Shengneng Energy Technology Co Ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-08-16
Anticipated expiration: 2031-12-21

Abstract

The utility model belongs to the technical field of the lock structure, a quick locking and unlocking device, electric automobile are disclosed, quick locking and unlocking device include: the driving assembly comprises a first gear and a driving piece for driving the first gear to rotate; the locking assembly comprises two first racks and two fixing supports, the two first racks are oppositely arranged on two sides of the first gear and are meshed with the first gear, one first rack is connected to an object to be connected, the other first rack is connected to the other object to be connected, the two fixing supports are fixed and oppositely arranged, the first gear can be driven to sequentially penetrate through the two fixing supports when rotating, and the fixing supports limit the displacement of the first racks in the non-moving direction so as to realize the locking of the two objects to be connected; the sensing assembly is configured to send out a position-in signal when the first gear drives the first rack to sequentially penetrate through the two fixing supports, so that the driving piece stops running. The utility model discloses realize two quick locks and the unblock of treating the link.

Description

Quick locking and unlocking device and electric automobile

Technical Field

The utility model relates to a lock technical field especially relates to a quick locking and unlocking device, electric automobile.

Background

The conventional battery pack mounting methods for electric vehicles are generally classified into a fixed type and a replaceable type, wherein the fixed type battery pack is generally fixed on the vehicle, and the vehicle is directly used as a charging object during charging. The replaceable battery pack generally adopts a movable installation mode, the battery pack can be taken down at any time and replaced by a new battery pack, when the battery pack is installed by adopting the movable installation mode, the battery pack is generally installed at the bottom of the electric automobile through the locking mechanism in a locking mode, and when the battery pack is detached from the locking mechanism, the unlocking mechanism is required to act on the locking mechanism on the electric automobile, so that the battery pack is unlocked from the locking mechanism, and then the battery pack is taken out. The existing locking mechanism and unlocking mechanism are complex in structural design and large in locking and unlocking action amplitude, so that the locking and unlocking time is long, the battery pack replacement efficiency is influenced, and the reliability is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick locking and unlocking device, electric automobile can realize two quick locks and the unblock of treating the link, and the reliability is higher.

To achieve the purpose, the utility model adopts the following technical proposal:

a quick lock and unlock device comprising:

the driving assembly comprises a first gear and a driving piece for driving the first gear to rotate;

the locking assembly comprises two first racks and two fixing supports, the two first racks are oppositely arranged on two sides of the first gear and are meshed with the first gear, one first rack is connected to an object to be connected, the other first rack is connected to the other object to be connected, the two fixing supports are fixed and oppositely arranged, the first rack can be driven to sequentially penetrate through the two fixing supports when the first gear rotates, and the fixing supports limit the displacement of the first racks in the non-moving direction so as to lock the two objects to be connected;

the sensing assembly is configured to send out an in-place signal when the first gear drives the first rack to sequentially penetrate through the two fixing supports, so that the driving piece stops running.

Preferably, the fixed support is of a block structure, the fixed support is provided with a through hole, and the first gear can drive the first rack to penetrate through the through hole when rotating.

Preferably, the driving assembly further comprises a rotating disc, and the first gear is fixedly arranged on the rotating disc.

Preferably, the sensing assembly comprises a second rack and a distance sensor, a second gear is fixedly arranged on one side of the rotary disc, which is far away from the first gear, the second gear and the first gear are coaxially arranged, the second rack is meshed with the second gear, and the distance sensor is fixedly arranged and is right opposite to the end part of the second rack and used for detecting the distance between the distance sensor and the end part of the second rack.

Preferably, the second rack and the distance sensor are provided in two sets, and two second racks are provided on both sides of the second gear.

Preferably, the output end of the driving member is fixedly connected to the second gear.

Preferably, the driving assembly further comprises a sliding rail extending along the axial direction of the first gear, and the driving member slides relative to the sliding rail and can drive the first gear to be separated from the first rack.

Preferably, the sensing assembly comprises a first sensor and a second sensor, the first sensor rotates along with the first gear, and the second sensor is fixedly arranged and can sense the first sensor.

The utility model also provides an electric automobile, including foretell quick locking and unlocking device.

Preferably, the electric vehicle further comprises a vehicle body and a battery pack, and the vehicle body and the battery pack are the objects to be connected.

The utility model has the advantages that: the first gear is driven to rotate by the driving piece, the first gear can drive the two first racks to move relatively, the first racks can penetrate through the two fixing supports, when the two first racks penetrate through the two fixing supports, the sensing assembly sends in-place signals, the driving piece stops running, the two first racks are limited by the two fixing supports at the moment, the two first racks cannot move along the non-moving direction of the first racks, the moving direction of the first racks is limited by the first gear, and therefore the two first racks can be connected to two objects to be connected to be locked. On the contrary, the driving part reversely drives the first gear to rotate, so that the two objects to be connected can be unlocked. Through the structure, the two objects to be connected can be quickly locked and unlocked, and the reliability is higher.

Drawings

Fig. 1 is a schematic perspective view of a visual angle of the quick locking and unlocking device provided by the present invention;

fig. 2 is a schematic perspective view of another view angle of the quick locking and unlocking device provided by the present invention;

fig. 3 is a schematic diagram of the state of the quick locking and unlocking device in the unlocking process.

In the figure:

11. a first gear; 12. a turntable; 13. a second gear; 21. a first rack; 22. a fixed bracket; 221. a through hole; 31. a second rack; 32. a distance sensor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.

The utility model provides a quick locking and unlocking device, it can realize two quick locks and the unblock of treating the link, and above-mentioned two treat that the link can be electric automobile's battery package and automobile body, also can be other need locks the link of treating of connecting and unblock. In this embodiment, the structure of the quick locking and unlocking device is described by taking only two objects to be connected as a battery pack and a vehicle body of an electric vehicle as an example.

As shown in fig. 1 and 2, the quick locking and unlocking device includes a driving assembly, a locking assembly and a sensing assembly, wherein the driving assembly is used for driving the locking assembly to move, the locking assembly locks and unlocks the battery pack and the vehicle body, and the sensing assembly is used for sending a signal when the locking assembly moves in place so as to stop driving of the driving assembly.

The driving assembly includes a driving member and a first gear 11, wherein the driving member can drive the first gear 11 to rotate, for example, the driving member may be a motor, the motor drives the first gear 11 to rotate, or the driving member may also be a component capable of realizing a rotating action, for example, a rotating cylinder, etc., as long as it can drive the first gear 11 to rotate. The first gear 11 may preferably be fixed to a rotating disc 12, and the driving member can drive the rotating disc 12 to rotate, so that the rotating disc 12 drives the first gear 11 to rotate.

The locking assembly comprises two first racks 21 and two fixing supports 22, wherein the two first racks 21 are oppositely arranged on two sides of the first gear 11 and are respectively meshed with the first gear 11, and when the driving piece drives the first gear 11 to rotate, the two first racks 21 can move oppositely or away from each other under the action of the first gear 11. One of the two first racks 21 is connected to the battery pack, and the other is connected to the vehicle body. When the two first racks 21 move towards or away from each other, the battery pack and the vehicle body also move towards or away from each other.

The two fixing brackets 22 are spaced and fixedly arranged, and the two fixing brackets 22 may be both fixedly mounted on the battery pack, may be both fixedly mounted on the vehicle body, may also be mounted on one of the battery pack and the vehicle body, and may also be not fixed on the battery pack and the vehicle body, but fixed on other components. The fixing bracket 22 is a block structure, and the fixing bracket 22 is provided with a through hole 221, when the first gear 11 drives the two first racks 21 to move relatively, the two first racks 21 can sequentially pass through the through holes 221 of the two fixing brackets 22 in the moving process, and certainly when passing through the second fixing bracket 22, the end of the first rack 21 can be left in the through hole 221 of the second fixing bracket 22. At this time, the two second racks 31 can be limited in the non-moving direction through the two fixing supports 22, so that the first racks 21 cannot move in the non-moving direction, the position locking of the two first racks 21 is realized, and the locking of a battery pack and a vehicle body connected with the two first racks 21 is realized. In contrast, when the first gear 11 drives the two first racks 21 to move away from each other, the two first racks 21 can be separated from the through holes 221 (shown in fig. 3) of the fixing bracket 22 in the moving process, at this time, the two first racks 21 do not have a locking relationship, and the battery pack and the vehicle body connected thereto are unlocked, so that the battery pack can be replaced.

The sensing assembly is configured to send out a position signal when the first gear 11 drives the first rack 21 to sequentially pass through the two fixing brackets 22, so that the driving part stops running, and the battery pack and the vehicle body are in a locked state.

Alternatively, as shown in fig. 2, the sensing assembly may include a second rack 31 and a distance sensor 32, a second gear 13 is fixedly disposed on a side of the rotating disc 12 away from the first gear 11, the second gear 13 is coaxially disposed with the first gear 11, the second rack 31 can be engaged with the second gear 13, the distance sensor 32 is fixedly disposed and directly faces an end portion of the second rack 31, when the driving member drives the rotating disc 12 to rotate and the two first racks 21 move relatively, the second gear 13 rotates with the rotating disc 12, so that the second rack 31 moves, a distance between the end portion of the second rack 31 and the distance sensor 32 becomes smaller, the distance sensor 32 can detect a distance between the end portion of the second rack 31 and the distance sensor 32, when the distance between the end portion of the second rack 31 and the end portion of the first rack 21 reaches a first preset value, it is described that the two first racks 21 move to the right position (that the end portions of the first racks 21 extend into through holes 221 of the next fixed brackets 22), at this time, the distance sensor 32 sends a signal to the control system, and the control system controls the driving part to stop running, so that the battery pack is locked with the vehicle body. Conversely, when the driving member drives the turntable 12 to rotate and the two first racks 21 move away from each other, the distance between the end of the second rack 31 and the distance sensor 32 increases, and when the distance sensor 32 detects that the distance between the end of the second rack 31 and the end of the first rack 21 reaches the second preset value, it indicates that the two first racks 21 are separated from the through holes 221 of the fixing bracket 22, and at this time, the locking between the battery pack and the vehicle body is unlocked, so that the battery pack can be replaced.

Preferably, the second rack 31 and the distance sensor 32 are provided in two sets, two second racks 31 are provided on both sides of the second gear 13, and the position of the first rack 21 when unlocking and locking is controlled more precisely by the two sets of the second racks 31 and the distance sensor 32.

In this embodiment, the output end of the driving element is preferably fixedly connected to the second gear 13, the driving element further includes a sliding rail (not shown in the figure), the sliding rail extends along the axial direction of the first gear 11, and the driving element slides relative to the sliding rail and can drive the second gear 13, the rotating disc 12, the first gear 11 and the second rack 31 to move synchronously, so that the first gear 11 is separated from the first rack 21. That is, according to the arrangement of the structure, when the two first racks 21 sequentially pass through the through holes 221 of the two fixing brackets 22 (that is, when the battery pack and the vehicle body are locked), the driving member is moved in the axial direction of the slide rail, so that the rotary table 12 and the first gear 11 fixed to the rotary table 12 are separated from the first racks 21, and at this time, the two first racks 21 are fixed and limited by the fixing brackets 22, and the locking of the battery pack and the vehicle body cannot be released. When the battery pack and the vehicle body need to be unlocked, the first gear 11 is meshed with the first rack 21 only by axially moving the driving piece and the turntable 12, and then the driving piece drives the turntable 12 to rotate, so that the two first racks 21 deviate from each other to move, and the battery pack and the vehicle body can be unlocked.

In this embodiment, the driving member can be detached from the slide rail, and the driving member, the second gear 13, the rotary table 12, the first gear 11, and the second rack 31 can be removed and then applied to other battery packs to be unlocked and the vehicle body (the battery packs to be unlocked and the vehicle body are equipped with the fixing bracket 22 and the first rack 21). Or when a plurality of battery packs exist in the electric automobile, the plurality of battery packs can be locked and unlocked with the automobile body through a group of driving pieces, the second gear 13, the rotary disc 12, the first gear 11 and the second rack 31.

Optionally, the sensing assembly may further include a first sensor and a second sensor, the first sensor rotates along with the first gear 11, the second sensor is fixedly disposed and can sense the first sensor, and whether the first rack 21 is moved in place can be known through sensing times between the first sensor and the second sensor. For example, when the second sensor senses the second sensor for a preset time, it indicates that the first gear 11 has rotated for the preset time, and at this time, the first rack 21 has moved in place, and the locking and unlocking of the battery pack and the vehicle body are completed.

It should be noted that the driving member itself of the present embodiment can also achieve the determination that the first rack 21 is moved in place, and specifically, the moving distance of the first rack 21 can be determined according to the rotating speed and time of the driving member, so as to achieve the determination that whether the first rack 21 is moved in place. Simultaneously, the induction assembly of this application of cooperation can the accurate shift position of control first rack 21, and then the accurate unblock and the locking that realizes battery package and automobile body.

The utility model also provides an electric automobile, it includes foretell quick locking and unlocking device and battery package and automobile body, wherein battery package and automobile body can be connected with two first racks 21 of quick locking and unlocking device, and then through quick locking and unlocking device, realizes quick locking and the unblock of battery package and automobile body, and the reliability is higher.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A quick lock and unlock device, comprising:

the driving assembly comprises a first gear (11) and a driving piece for driving the first gear (11) to rotate;

the locking assembly comprises two first racks (21) and two fixing supports (22), the two first racks (21) are oppositely arranged on two sides of the first gear (11) and are meshed with the first gear (11), one first rack (21) is connected to an object to be connected, the other first rack (21) is connected to the other object to be connected, the two fixing supports (22) are fixed and oppositely arranged, the first gear (11) can drive the first racks (21) to sequentially penetrate through the two fixing supports (22) when rotating, and the fixing supports (22) limit the displacement of the first racks (21) in the non-moving direction so as to realize the locking of the two objects to be connected;

the sensing assembly is configured to send out a position signal when the first gear (11) drives the first rack (21) to sequentially pass through the two fixing brackets (22), so that the driving piece stops running.

2. The quick locking and unlocking device according to claim 1, wherein the fixing bracket (22) is a block structure, and a through hole (221) is formed in the fixing bracket (22), and the first gear (11) can drive the first rack (21) to pass through the through hole (221) when rotating.

3. Quick locking and unlocking device according to claim 1, characterized in that said driving assembly further comprises a rotating disc (12), said first gear (11) being fixed to said rotating disc (12).

4. The quick locking and unlocking device as claimed in claim 3, characterized in that the sensing assembly comprises a second rack (31) and a distance sensor (32), a second gear (13) is fixedly arranged on one side of the rotary disc (12) away from the first gear (11), the second gear (13) is coaxially arranged with the first gear (11), the second rack (31) is meshed with the second gear (13), and the distance sensor (32) is fixedly arranged and faces an end of the second rack (31) for detecting a distance between the distance sensor and the end of the second rack (31).

5. Quick locking and unlocking device according to claim 4, characterised in that said second toothed rack (31) and said distance sensor (32) are provided in two groups, two of said second toothed racks (31) being provided on either side of said second toothed wheel (13).

6. Quick locking and unlocking device according to claim 4 or 5, characterized in that the output of said driving member is fixed to said second gear wheel (13).

7. Quick locking and unlocking device according to claim 6, characterised in that said driving assembly also comprises a sliding track extending axially along said first toothed wheel (11), said driving member sliding with respect to said sliding track and being able to drive said first toothed wheel (11) away from said first rack (21).

8. The quick locking and unlocking device of claim 1, wherein said sensing assembly comprises a first sensor and a second sensor, said first sensor rotating with said first gear (11), said second sensor being fixedly disposed and capable of sensing said first sensor.

9. An electric vehicle comprising the quick lock and unlock device of any one of claims 1 to 8.

10. The electric vehicle according to claim 9, characterized in that the electric vehicle further comprises a vehicle body and a battery pack, and the vehicle body and the battery pack are the objects to be connected.