CN112523622A

CN112523622A - Battery compartment locking device with self-locking mechanism

Info

Publication number: CN112523622A
Application number: CN202011506969.8A
Authority: CN
Inventors: 丁瑞荣; 蔡万波; 彭正荣; 吉祥勤
Original assignee: Changzhou Wujin Huarui Electronic Co Ltd
Current assignee: Changzhou Wujin Huarui Electronic Co Ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-03-19
Anticipated expiration: 2040-12-18
Also published as: CN112523622B

Abstract

The invention belongs to the technical field of lock equipment of electric vehicles, and relates to a battery compartment lock device with a self-locking mechanism, which comprises the self-locking mechanism and an unlocking mechanism, wherein the self-locking mechanism is arranged in a lock shell and comprises a lock hook which is rotatably arranged, a lock tongue which can be arranged leftwards and rightwards and a self-locking spring piece used for locking between the lock hook and the lock tongue, the unlocking mechanism comprises a driving motor and a rack deflector rod which can move leftwards and rightwards under the action of the driving motor, and when the rack deflector rod moves towards a direction far away from the lock hook, the self-locking spring piece can be jacked up and the lock tongue is pushed to remove the. Through the design of the self-locking spring piece, the invention can achieve the purpose of eliminating the faults of disengagement, looseness and the like of a locking mechanism easily caused by the influence of factors such as vibration, inertia or tumbling and the like in the driving process of a vehicle, has the advantages of simple structure, convenient operation, stability, reliability, high sensitivity, good locking effect, high locking safety and the like, has great market value, and is worthy of wide popularization and application.

Description

Battery compartment locking device with self-locking mechanism

Technical Field

The invention belongs to the technical field of lock equipment of electric vehicles, and particularly relates to a battery compartment lock device with a self-locking mechanism.

Background

At present, most of the existing battery compartment locks of simple electric vehicles lock a battery compartment by utilizing a lock tongue to extend into a lock hole of a lock body arranged on a battery compartment body, the battery compartment lock occupies a large space, the center distance of front and rear wheels is increased, the exposed part of the lock body is large after installation, a lock head is required to be installed together with the lock body, the anti-theft performance is poor, the appearance of the whole vehicle is also influenced, the lock can only be arranged at a very low position on a vehicle frame sometimes due to the limitation of vehicle types, and the unlocking and the battery loading and unloading are inconvenient; in addition, the battery compartment locking mechanism is influenced by factors such as vibration, inertia or falling down during the running process of the vehicle, and faults such as disengagement, looseness and the like of the locking mechanism are easy to occur.

Disclosure of Invention

The invention aims to solve the problems that a battery compartment lock in the prior art is complex in structure, poor in safety coefficient and easy to disengage and loosen a locking mechanism, and provides a battery compartment lock device with a self-locking mechanism, which can automatically control unlocking, is simple to operate and high in safety coefficient.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the utility model provides a battery compartment locking device with self-locking mechanism, is including setting up self-locking mechanism and the release mechanism in the lock shell, self-locking mechanism includes the lock hook of rotatable setting, can remove the spring bolt that sets up and be used for the lock hook and the spring bolt between the spring bolt self-locking spring leaf of locking, release mechanism includes driving motor and can remove the rack driving lever that removes under the driving motor effect, works as when the rack driving lever removes to the direction of keeping away from the lock hook, can jack-up self-locking spring leaf and promote the spring bolt and remove the restriction to the lock hook.

Preferably, a torsion spring is arranged between the lock hook and the lock shell, and a position switch in signal connection with the driving motor controller is arranged at the bottom of the lock hook.

Preferably, the spring bolt is provided with a push block which is matched with the rack shift lever, and a first spring is arranged between one end of the spring bolt, which is far away from the lock hook, and the lock shell.

Preferably, one end of the self-locking spring piece is fixed in the lock shell, the other end of the self-locking spring piece can be arranged above the lock tongue in a vertically elastic swinging mode, and the self-locking spring piece is provided with a locking clamping groove matched with the push block.

Preferably, the rack deflector rod is rotatably arranged in the lock shell, one end of the rack deflector rod is matched with the arc-shaped stop block on the side edge of the self-locking spring piece, the other end of the rack deflector rod is in transmission connection with the driving motor, and a second spring is arranged between the rack deflector rod and the lock shell.

Preferably, a worm is arranged on an output shaft of the driving motor, two gear sets which are meshed with each other are arranged between the worm and the rack deflector rod, and the two gear sets are respectively meshed with the racks at the end parts of the worm and the rack deflector rod.

Preferably, the rack is integrally formed in the middle of the end of the rack deflector rod, and the ends of the rack deflector rod on the two sides of the rack are in a smooth planar design.

Preferably, two shock absorption pads are symmetrically arranged at the top of the lock shell.

Preferably, waterproof silica gel rings are arranged between the driving motor, the rack deflector rod and the lock shell.

After the technical scheme is adopted, the battery compartment locking device with the self-locking mechanism provided by the invention has the following beneficial effects:

according to the invention, through the design of the lock hook and the lock tongue, when the lock hook is in a locking state, the lock tongue can limit the position of the lock hook; through the design of the self-locking spring piece, the automatic locking of the lock tongue to the lock hook can be realized, the aim of eliminating the faults of disengagement, looseness and the like of a locking mechanism easily caused by the influence of factors such as vibration, inertia or tumbling and the like in the driving process of a vehicle can be fulfilled, and the stability of the lock tongue to the locking of the lock hook is ensured; through the design of the driving motor and the rack deflector rod, the unlocking action that the self-locking spring piece is jacked upwards and the lock tongue is driven to leave the lock hook under the action of the driving motor can be realized; through the design of the torsion spring between the lock hook and the lock shell, the stability of the reset action of the lock hook can be ensured when the lock is unlocked; through the design of the first spring, the stability of the reset action of the lock tongue can be ensured; through the design of the second spring, the meshing stability of the rack deflector rod and the gear set can be ensured, so that the unlocking and resetting stability is ensured; through the design of the number of teeth of the rack and the rack protruding out of the rack deflector rod, the motor can be ensured to drive the rack deflector rod to idle after unlocking or resetting, no locked rotation occurs, and the service life of the motor is prolonged; in conclusion, the self-locking mechanism realizes the self-locking function, has the advantages of simple structure, convenience in operation, stability, reliability, high sensitivity, good locking effect, high locking safety and the like, has great market value, and is worthy of wide popularization and application.

Drawings

FIG. 1 is a front view of a battery compartment locking apparatus having a self-locking mechanism of the present invention;

FIG. 2 is a schematic view of a battery compartment locking device with a self-locking mechanism according to the present invention;

FIG. 3 is a schematic diagram of a second partial structure of a battery compartment locking device with a self-locking mechanism according to the present invention;

FIG. 4 is a schematic view of the unlocked state of the present invention;

FIG. 5 is a schematic diagram of a locked state according to the present invention;

FIG. 6 is a schematic illustration of the unlocking process of the present invention;

fig. 7 is a schematic view of the unlocking state of the present invention.

Wherein: the lock comprises a lock shell 1, a lock hook 2, a lock tongue 3, a self-locking spring piece 4, a driving motor 5, a rack deflector rod 6, a position switch 7, a push block 8, a first spring 9, a locking clamping groove 10, an arc-shaped stop block 11, a second spring 12, a worm 13, a gear set 14, a rack 15, a shock pad 16 and a waterproof silica gel ring 17.

Detailed Description

The present invention now will be described more fully hereinafter with reference to the accompanying drawings and detailed description, in which it is to be understood that the embodiments described are merely illustrative of some, but not all embodiments of the invention. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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 is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. 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, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

As shown in fig. 1 to 3, the present invention provides a battery compartment locking apparatus having a self-locking mechanism, which includes a self-locking mechanism and a unlocking mechanism provided in a lock case 1.

The self-locking mechanism comprises a lock hook 2, a lock tongue 3 and a self-locking spring piece 4, the lock hook 2 is arranged at a position corresponding to an opening in the top of the lock shell 1, into which the lock hook is inserted, a lock groove matched with the opening is formed in the lock hook 2, the lock hook 2 is rotatably arranged in the lock shell 1, and a torsion spring is arranged between the lock hook 2 and the lock shell 1, so that the stability of the resetting action of the lock hook 2 can be ensured during unlocking; the lock bolt 3 is arranged on one side of the lock hook 2 in a manner of being capable of stretching and moving left and right, specifically, one end of the lock bolt 3 can be inserted into the lock groove of the lock hook 2 to lock the lock hook 2, and a first spring 9 is arranged between the other end of the lock bolt and the lock shell 1, so that when the lock bolt 3 is pushed to be far away from the lock hook 2 to unlock, the elasticity of the first spring 9 needs to be overcome, and therefore, the first spring 9 can ensure the stability of the reset action of the lock bolt 3 after unlocking; self-locking spring leaf 4 is used for realizing 3 pairs of lock hooks 2 self-locking function of spring bolt, and is concrete, 4 one ends of self-locking spring leaf are fixed in lock shell 1, the setting of elasticity wobbling about the other end is in 3 tops of spring bolt, and have on the self-locking spring leaf 4 with 3 on the spring bolt 8 assorted locking grooves 10 of integrated into one piece's ejector pad, when 3 lock hooks 2 of spring bolt insert lock hooks 2 the locked inslot lock, 8 gomphosis of ejector pad are in locking grooves 10, therefore, through the design of self-locking spring leaf 4, can realize 3 pairs of lock hooks 2 self-locking function of spring bolt, and can reach and eliminate the vehicle and go the in-process and receive the vibration, inertia or fall down the influence of factors such as, the easy locking mechanism that appears breaks away, the purpose of trouble such as not hard up, guarantee the stability of 3 pairs of.

The unlocking mechanism comprises a driving motor 5 and a rack deflector rod 6 which can move left and right under the action of the driving motor 5, when one end of the rack deflector rod 6 close to the spring bolt 3 moves towards the direction far away from the lock hook 2, the rack deflector rod 6 can jack up the self-locking spring piece 4 and push the spring bolt 3 to remove the limitation on the lock hook 2, concretely, the rack deflector rod 6 is rotatably arranged in the lock shell 1, one end of the rack deflector rod 6 is matched with an arc-shaped stop block 11 at the side edge of the self-locking spring piece 4, when one end of the rack deflector rod 6 close to the spring bolt 3 moves towards the direction far away from the lock hook 2, the self-locking spring piece 4 is jacked upwards along the sliding of the arc-shaped stop block 11, so that a locking clamping groove 10 is separated from a push block 8, the other end of the rack deflector rod 6 is in transmission connection with the driving motor 5, a second, two gear sets 14 which are meshed with each other are arranged between the worm 13 and the rack shift lever 6, the two gear sets 14 are respectively meshed with the worm 13 and a rack 15 at the end part of the rack shift lever 6, and further, the rack 15 is integrally formed in the middle of the end of the rack shift lever 6, the ends of the rack shift lever 6 at the two sides of the rack 15 are designed to be smooth planes, the number of teeth of the rack 15 is three, namely, the gear set 14 can be ensured to drive the rack 15 to run three teeth and then automatically idle, the driving motor 5 can be ensured not to be locked, the service life of the driving motor 5 can be prolonged, meanwhile, due to the design of the second spring 12, when the gear set 14 is separated from the rack 15, the teeth of the rack 15 are always pressed on the teeth of the gear set 14, and the meshing stability of the rack deflector rod 6 and the gear set 14 can be ensured, so that the unlocking and resetting stability is ensured.

Further, 2 bottoms of lock hook are equipped with position switch 7 with 4 controller signal connection of motor for will unblank or close lock signal transmission and give the controller, through the positive reverse rotation of controller control driving motor 5 and rotation time, 1 top of lock shell still symmetry is equipped with two shock pads 16, can guarantee that lock shell 1 has fine shock attenuation effect, all be equipped with waterproof silica gel circle 17 between driving motor 5 and rack driving lever 6 and the lock shell 1, can guarantee to lock the good waterproof performance of the interior release mechanism part of shell 1.

When the battery compartment locking device with the self-locking mechanism is in an unlocking state, as shown in fig. 4, the lock hook 2 is opened, the rack deflector rod 6 is in an original position, the lock tongue 3 is tightly abutted to the outer side wall of the lock hook 2 under the action of the first spring 9, the lock tongue 3 is in a half-reset state at the moment, the push block 8 is positioned below the self-locking spring piece 4, the self-locking spring piece 4 is in a state of being jacked upwards by the push block 8, the self-locking effect is not achieved, the lock tongue 3 can also move freely left and right, and the mechanical locking of a lock beam on a cover plate of an electric vehicle is facilitated.

When the lock needs to be locked, as shown in fig. 5, a lock beam on a cover plate of the electric vehicle mechanically extrudes a lock hook 2 in an opening downwards through the opening on a lock shell 1, so that the lock hook 2 overcomes the acting force of a torsion spring and rotates rightwards, the outer side wall of the lock hook 2 pushes a lock tongue 3 to overcome the acting force of a first spring 9 and move rightwards for a certain abdicating distance, and the lock hook 2 is ensured to reach a locking position, at the moment, a rack shift lever 6 is still at an original position, the lock tongue 3 moves leftwards to be completely reset under the action of the first spring 9 without resisting the outer side wall of the lock hook 2, a self-locking spring piece 4 lapped on the lock tongue 3 is completely reset under the self elastic action, namely one end of the lock tongue 3 is inserted into a lock groove of the lock hook 2, a push block 8 is embedded into a lock groove.

When the lock needs to be unlocked, as shown in fig. 6, the driving motor 5 rotates forward, the worm 13 is driven to rotate through the output shaft, the worm 13 drives the gear set 14 to rotate, the gear set 14 drives one end of the rack shift lever 6 to rotate around a hinge point of the rack shift lever and the lock shell 1 leftward against the pre-tightening force of the second spring 12 through the rack 15, the other end of the rack shift lever 6 upwards jacks the self-locking spring piece 4 along the arc-shaped stop block 11, so that the locking slot 10 is separated from the limit of the push block 8, the locking of the self-locking spring piece 4 on the lock tongue 3 is released, then the lock lever 8 is continuously moved rightward against the push block 8, the lock tongue 3 is driven to move rightward against the acting force of the first spring 9 through the push block 8, after the rack 15 moves three teeth leftward, the other end of the rack shift lever 6 can push the lock tongue 3 rightward to release the, as shown in fig. 7.

At this time, the shorter side of the lock hook 2 is pressed to the position switch 7 below the lock hook, the position switch 7 gives a current unlocking signal to the controller, then the controller changes the rotation direction of the driving motor 5, the worm 13 is driven to rotate reversely through the output shaft, the worm 13 drives the gear set 14 to rotate reversely, the gear set 14 drives one end of the rack shift lever 6 to rotate rightwards along the hinge point through the rack 15 and overcomes the pre-tightening force of the second spring 10, the other end of the rack shift lever 5 rotates leftwards, the right thrust on the push block 8 is released, similarly, after the rack 15 moves rightwards for three teeth, the reset action of the rack shift lever 6 is realized, at this time, the lock tongue 3 moves leftwards under the action of the first spring 9 and is pressed on the outer side wall of the lock hook 2, namely, the lock tongue 3 is reset to the unlocking state of the graph.

The above operations are circulated in this way, and the unlocking and locking actions can be repeatedly completed.

In summary, according to the battery compartment locking device with the self-locking mechanism provided by the invention, through the design of the self-locking spring piece, the self-locking function of the lock tongue can be realized, the stability of locking the lock hook by the lock tongue can be ensured, and the purpose of eliminating the faults of disengagement, loosening and the like of the locking mechanism easily caused by the influence of factors such as vibration, inertia or falling down and the like in the driving process of a vehicle can be achieved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a battery compartment locking device with self-locking mechanism, is including setting up self-locking mechanism and the release mechanism in lock shell (1), its characterized in that: self-locking mechanism includes rotatable setting lock hook (2), can remove spring bolt (3) of removal setting and be used for lock hook (2) and spring bolt (3) between the auto-lock spring leaf (4) of locking, the self-locking mechanism includes driving motor (5) and can remove rack driving lever (6) of removal under driving motor (5) effect, works as when rack driving lever (6) are removed to the direction of keeping away from lock hook (2), can jack-up auto-lock spring leaf (4) and promote spring bolt (3) and remove the restriction to lock hook (2).

2. The battery compartment locking device with the self-locking mechanism according to claim 1, wherein: a torsion spring is arranged between the lock hook (2) and the lock shell (1), and a position switch (7) in signal connection with a controller of the driving motor (5) is arranged at the bottom of the lock hook (2).

3. The battery compartment locking device with the self-locking mechanism according to claim 1, wherein: the spring bolt (3) is provided with a push block (8) which is matched with the rack shift lever (6), and a first spring (9) is arranged between one end of the spring bolt (3) far away from the lock hook (2) and the lock shell (1).

4. A battery compartment locking apparatus with a self-locking mechanism according to claim 3, wherein: one end of the self-locking spring piece (4) is fixed in the lock shell (1), the other end of the self-locking spring piece can elastically swing up and down and is arranged above the bolt (3), and a locking clamping groove (10) matched with the push block (8) is arranged on the self-locking spring piece (4).

5. The battery compartment locking device with the self-locking mechanism according to claim 1, wherein: the rack deflector rod (6) is rotatably arranged in the lock shell (1), one end of the rack deflector rod is matched with the arc-shaped stop block (11) on the side edge of the self-locking spring piece (4), the other end of the rack deflector rod is in transmission connection with the driving motor (5), and a second spring (12) is arranged between the rack deflector rod (6) and the lock shell (1).

6. The battery compartment locking device with the self-locking mechanism according to claim 1, wherein: an output shaft of the driving motor (5) is provided with a worm (13), two gear sets (14) which are meshed with each other are arranged between the worm (13) and the rack deflector rod (6), and the two gear sets (14) are respectively meshed with the worm (13) and a rack (15) at the end part of the rack deflector rod (6).

7. The battery compartment locking device with a self-locking mechanism according to claim 6, wherein: the rack (15) is integrally formed in the middle of the end of the rack deflector rod (6), and the ends of the rack deflector rod (6) on the two sides of the rack (15) are designed to be smooth planes.

8. The battery compartment locking device with the self-locking mechanism according to claim 1, wherein: the top of the lock shell (1) is also symmetrically provided with two shock absorption pads (16).

9. The battery compartment locking device with the self-locking mechanism according to claim 1, wherein: waterproof silica gel rings (17) are arranged between the driving motor (5), the rack deflector rod (6) and the lock shell (1).