CN217672130U

CN217672130U - Power-assisted unlocking mechanism and battery replacing equipment

Info

Publication number: CN217672130U
Application number: CN202221310679.0U
Authority: CN
Inventors: 洪木南
Original assignee: Sichuan Zhili Intelligent Energy Technology Co ltd
Current assignee: Sichuan Zhili Intelligent Energy Technology Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-10-28
Anticipated expiration: 2032-05-27

Abstract

The utility model provides a helping hand release mechanism and trade electrical equipment relates to locking equipment technical field. The power-assisted unlocking mechanism comprises a locking assembly, a base and a push rod. The locking assembly comprises a lock tongue and an elastic piece arranged on the lock tongue, and the lock tongue is rotatably connected with the base. In a locking state, the elastic piece is compressed through the push rod so as to generate elastic deformation; when the locking is released, the lock tongue rotates along the second direction under the combined action of the acting force of the push rod and the elastic restoring force of the elastic piece to release the locking state, so that the assistance for releasing the locking state of the power-assisted unlocking mechanism is realized, and the unlocking capacity and the unlocking efficiency of the power-assisted unlocking mechanism are improved.

Description

Power-assisted unlocking mechanism and battery replacing equipment

Technical Field

The utility model relates to a locking equipment technical field particularly, relates to a helping hand release mechanism and trade electric equipment.

Background

In order to firmly lock the battery frame, the existing battery replacement base lock mechanism generally applies a large acting force to the battery frame so as to keep the battery frame stable. However, this can cause the locking member to remain in a "dead-center" or "auto-lock" position when locked, thereby providing greater resistance to unlocking, making unlocking difficult.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a helping hand release mechanism and trade electrical equipment, it can promote unblock ability and unblock efficiency.

The embodiment of the utility model is realized like this:

in a first aspect, the utility model provides a power-assisted unlocking mechanism, which comprises a locking assembly, a base and a push rod;

the locking assembly comprises a lock tongue and an elastic piece arranged on the lock tongue, and the lock tongue is rotatably connected with the base;

the push rod is in transmission connection with the lock tongue and is used for driving the lock tongue to rotate along a first direction under the action of driving force so as to lock and meanwhile abuts against the elastic piece so that the elastic piece is elastically deformed;

the push rod is further used for driving the lock tongue to rotate along the second direction under the action of driving force so as to release the locking state, and meanwhile, the push rod is far away from the elastic piece so as to enable the elastic piece to recover elastic deformation, and elastic restoring force generated by the elastic piece acts on the lock tongue so as to provide assistance for the lock tongue to release the locking state.

In an optional implementation mode, the locking assembly further comprises a guide rod, the lock tongue is provided with a through hole, one end of the guide rod is fixedly arranged in the through hole, the elastic piece is sleeved at the other end of the guide rod, one end of the elastic piece is connected with the lock tongue, and the other end of the elastic piece is used for being abutted to the push rod.

In an optional embodiment, the locking assembly further includes a guide member, a first boss is disposed at one end of the guide rod extending out of the elastic member, the guide member is in sliding fit with the first boss, one end of the guide member is connected with the elastic member, and the other end of the guide member is used for abutting against the push rod.

In an alternative embodiment, in the case that the push rod drives the lock tongue to lock, the push rod moves towards the guide until contacting and pushing the guide to slide along the guide rod, so that the guide compresses the elastic element;

under the condition that the push rod drives the lock tongue to unlock, the push rod moves away from the guide piece, so that the elastic piece generates elastic restoring force and acts on the lock tongue.

In an optional embodiment, one end of the guide piece close to the elastic piece is provided with an annular limiting part, one surface of the limiting part is connected with the elastic piece, and the other surface of the limiting part is used for being abutted against the first boss.

In an optional embodiment, the through hole includes a first through hole and a second through hole which are communicated with each other, the guide rod includes a first section, one end of the first section extends into the first through hole, the other end of the first section extends into the second through hole, and the elastic member is accommodated in the first through hole and sleeved on a portion of the guide rod extending into the first through hole.

In an optional embodiment, the through holes further include a third through hole, and the first through hole, the second through hole and the third through hole are sequentially communicated;

the guide rod further comprises a second section connected with the first section, one end of the second section extends into the third through hole and is in threaded fit with the third through hole, and the other end of the second section extends out of the third through hole and is in fit with the nut.

In an alternative embodiment, the transmission assembly comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged with the base, and the other end of the first connecting rod is hinged with the second connecting rod;

the push rod is hinged to the first connecting rod, and one end, far away from the first connecting rod, of the second connecting rod is hinged to the lock tongue.

In an optional embodiment, the push rod comprises a transmission part and a pushing and holding part, the transmission part is hinged with the first connecting rod, and the pushing and holding part is detachably abutted with the lock tongue;

the transmission part is used for driving the lock tongue to rotate along a first direction through the transmission assembly so as to lock, and the pushing part is used for abutting against the elastic piece under the condition of a locking state so as to enable the elastic piece to generate elastic deformation;

the transmission portion is used for driving the lock tongue to rotate along the second direction so as to release the locking state through the transmission assembly, and the pushing portion is further used for keeping away from the elastic piece under the condition of releasing the locking state so as to enable the elastic piece to recover elastic deformation.

In a second aspect, the present invention provides a battery replacement device, comprising the power-assisted unlocking mechanism according to any one of the foregoing embodiments.

The embodiment of the utility model provides a helping hand release mechanism and trade electric equipment's beneficial effect includes: in a locking state, the elastic piece is compressed through the push rod so as to generate elastic deformation; when the locking is released, the lock tongue rotates along the second direction under the combined action of the acting force of the push rod and the elastic restoring force of the elastic piece to release the locking state, so that the power assisting unlocking mechanism is assisted in releasing the locking state, and the unlocking capacity and the unlocking efficiency of the power assisting unlocking mechanism are improved.

Drawings

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

Fig. 1 is a schematic structural view of a locking state of a power-assisted unlocking mechanism provided in an embodiment of the present invention;

fig. 2 is a schematic structural view of a power-assisted unlocking mechanism according to an embodiment of the present invention;

fig. 3 is a sectional view of a power-assisted unlocking mechanism 1 according to an embodiment of the present invention;

fig. 4 is a sectional view of the power-assisted unlocking mechanism 2 according to the embodiment of the present invention.

An icon: 10-a power-assisted unlocking mechanism; 100-a locking assembly; 110-a bolt; 111-a via; 112-a first via; 113-a second via; 114-a third via; 120-a resilient member; 130-a guide bar; 131-a first boss; 132-first segment; 133-a second segment; 140-a guide; 141-a limiting part; 150-a nut; 200-a base; 300-a push rod; 310-a transmission part; 320-a pushing part; 400-a transmission assembly; 410-a first link; 420-a second link; 500-a drive device; and 20-battery replacement frame.

Detailed Description

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

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

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

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element indicated must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

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

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the present invention provides a power-assisted unlocking mechanism 10, which includes a locking assembly 100, a base 200, a push rod 300 and a transmission assembly 400, wherein the locking assembly 100 is mounted on the base 200, the push rod 300 is connected with the locking assembly 100 through the transmission assembly 400, so that the locking assembly 100 can be driven by the push rod 300 to rotate for locking or unlocking, and the locking assembly 100 is matched with the push rod 300, so as to significantly improve the unlocking capability of the power-assisted unlocking mechanism 10.

In the present embodiment, the power-assisted unlocking mechanism 10 is generally used for locking or unlocking the battery replacement frame 20, and is in a locked state when the locking assembly 100 is pressed against the battery replacement frame 20 as shown in fig. 1, and is in an unlocked state when the locking assembly 100 is away from the battery replacement frame 20 as shown in fig. 2.

Further, the locking assembly 100 includes a locking tongue 110 and an elastic member 120 disposed at the locking tongue 110.

In this embodiment, one end of the latch 110 is rotatably connected to the base 200, so that the latch 110 can rotate in a first direction or a second direction with the connection point with the base 200 as a rotation point, as shown in fig. 3, the first direction is a direction (i.e., clockwise direction of the latch 110 in the view point), and the second direction is a direction (i.e., counterclockwise direction of the latch 110 in the view point).

Specifically, the push rod 300 is used for driving the lock tongue 110 to rotate along a first direction through the transmission assembly 400 under the action of a driving force so as to lock, and abuts against the elastic member 120 at the end of a locking stroke so as to elastically deform the elastic member 120; the push rod 300 is further configured to drive the latch 110 to rotate in the second direction through the transmission assembly 400 under the driving force to release the latched state, and simultaneously, to be away from the elastic member 120 to restore the elastic deformation of the elastic member 120, and the elastic restoring force generated by the elastic member 120 acts on the latch 110 to provide an assisting force for releasing the latched state of the latch 110.

In this embodiment, the latch 110 is in a locked state, the push rod 300 and the elastic element 120 disposed on the latch 110 are located on the same straight line, so that the elastic element 120 is compressed by the push rod 300 in the locked state to elastically deform the elastic element 120, when the lock is released, the push rod 300 drives the latch 110 to rotate along the second direction, and simultaneously, the acting force on the elastic element 120 is gradually reduced, the elastic element 120 gradually extends from the compressed state, and meanwhile, the elastic restoring force generated by the elastic element 120 acts on the latch 110 to push the latch 110 to rotate along the second direction, thereby providing the assisting force when the latch 110 releases the locked state, and improving the unlocking capability and the unlocking efficiency of the assisting unlocking mechanism 10.

Specifically, the elastic member 120 is a disc spring.

Optionally, in this embodiment, the power-assisted unlocking mechanism 10 further includes a driving device 500, the driving device 500 may be a brake chamber, and the driving device 500 is connected to the push rod 300 for providing a driving force to drive the push rod 300 to perform a reciprocating linear motion.

Further, the transmission assembly 400 includes a first link 410 and a second link 420, wherein one end of the first link 410 is hinged to the base 200, and the other end is hinged to the second link 420. The push rod 300 is hinged to the first link 410, and one end of the second link 420, which is far away from the first link 410, is hinged to the latch bolt 110.

In the present embodiment, the power-assisted unlocking mechanism 10 is provided with two sets of transmission assemblies 400 to improve the stability of the transmission assemblies 400. The two sets of transmission assemblies 400 are disposed on two sides of the locking bolt 110, the number of the first connecting rods 410 and the number of the second connecting rods 420 are two, and the two second connecting rods 420 are respectively hinged to two opposite side surfaces of the locking bolt 110.

Further, the push rod 300 includes a driving portion 310 and a pushing portion 320, the driving portion 310 is hinged to the first link 410, and the pushing portion 320 is detachably abutted to the latch bolt 110.

In the present embodiment, the transmission part 310 is hinged to the middle of the first link 410. The connection position of the first link 410 and the base 200 is close to the battery replacement frame 20, and the connection position of the latch 110 and the base 200 is far away from the battery replacement frame 20.

Specifically, since two sets of transmission assemblies 400 are provided, the number of the transmission parts 310 is also two. The two transmission parts 310 are respectively hinged to the two sets of transmission assemblies 400, and the two transmission parts 310 are disposed on two sides of the pushing part 320 and form a U-shaped structure. The pushing portion 320 is disposed between the two transmission portions 310, and one end of the pushing portion 320 is connected to the driving device 500, and the other end is used for abutting against the elastic member 120.

In this embodiment, the transmission part 310 can drive the transmission assembly 400 to move under the driving action of the driving device 500, and drive the latch 110 to rotate along the first direction through the transmission assembly 400 for locking; meanwhile, the pushing part 320 also moves toward the elastic member 120 under the driving action of the driving device 500, so that the pushing part 320 abuts against the elastic member 120 to elastically deform the elastic member 120 when the latch 110 is in the locked state.

Of course, the transmission part 310 also drives the transmission assembly 400 to move under the driving action of the driving device 500, and drives the lock tongue 110 to rotate along the second direction through the transmission assembly 400 so as to release the locking state; meanwhile, the pushing portion 320 also moves away from the elastic member 120 under the driving action of the driving device 500, so that the pushing portion 320 is away from the elastic member 120 under the condition that the locking tongue 110 is unlocked, so that the elastic member 120 recovers elastic deformation, and further, assistance is provided for the locking tongue 110 to be unlocked, and the unlocking capability and the unlocking efficiency of the power-assisted unlocking mechanism 10 are remarkably improved.

Further, the locking assembly 100 further includes a guide rod 130 and a guide member 140 disposed on the guide rod 130.

In this embodiment, the latch 110 has a through hole 111, one end of the guide rod 130 is fixedly disposed in the through hole 111, and the elastic element 120 is sleeved on the other end of the guide rod 130.

Specifically, in the locked state, the extending direction of the through hole 111 and the moving direction of the push rod 300 are located on the same straight line, and the elastic member 120 is sleeved outside the guide rod 130 to guide the compression or expansion of the elastic member 120, so as to ensure that the direction of the elastic restoring force generated by the elastic member 120 is consistent with the second direction.

Further, one end of the guide rod 130 extending out of the elastic member 120 is provided with a first boss 131, the guide member 140 is in sliding fit with the first boss 131, one end of the guide member 140 is connected with the elastic member 120, and the other end is used for abutting against the push rod 300.

In this embodiment, the guide member 140 and the elastic member 120 are sequentially sleeved outside the guide rod 130, and the guide member 140 is close to the end of the guide rod 130. The guide 140 may be slidably engaged with the guide bar 130 so that the push rod 300 compresses the elastic member 120 through the guide 140.

Optionally, in other embodiments of the present invention, one end of the elastic member 120 is connected to the latch tongue 110, and the other end can also directly abut against the push rod 300.

Further, in a case where the push rod 300 drives the latch tongue 110 to be locked, the push rod 300 moves toward the guide 140 until contacting and pushing the guide 140 to slide along the guide rod 130, so that the guide 140 compresses the elastic member 120; in a case where the push rod 300 drives the latch tongue 110 to unlock, the push rod 300 moves away from the guide 140, so that the elastic member 120 generates an elastic restoring force and acts on the latch tongue 110.

In the present embodiment, it is worth mentioning that the push rod 300 will contact the guide 140 only at the end of the locking process, and in the case of the unlocked state, the push rod 300 is separated from the guide 140. And in the process of the locking bolt 110 from the unlocked state to the locked state, the push rod 300 gradually approaches the guide 140 and gradually aligns with the guide 140 until the locking bolt 110 rotates to a preset angle to enter or be about to enter the locked state, and the push rod 300 aligns with and abuts against the guide 140 to compress the elastic member 120 through the guide 140. Under the condition of unlocking, the latch bolt 110 rotates in the second direction under the combined action of the acting force of the push rod 300 and the elastic restoring force of the elastic member 120 to unlock the latch mechanism, so that the unlocking of the latch mechanism is assisted, and the unlocking capacity and the unlocking efficiency of the latch mechanism are improved.

Further, one end of the guide 140 close to the elastic element 120 is provided with a ring-shaped limiting portion 141, one surface of the limiting portion 141 is connected with the elastic element 120, and the other surface is used for abutting against the first boss 131.

In this embodiment, the shape of the guide member 140 is adapted to the shape of the first boss 131, and the limiting portion 141 is disposed on the guide member 140, so that the guide member 140 can be limited to prevent the guide member 140 from separating from the guide rod 130, and the limiting portion 141 is connected to the elastic member 120, so that the elastic member 120 can be uniformly compressed by the limiting portion 141.

Further, the bolt 110 is provided with a through hole 111, and the through hole 111 includes a first through hole 112, a second through hole 113 and a third through hole 114 which are sequentially communicated with each other. The guide bar 130 includes a first section 132 and a second section 133 that are connected to each other.

One end of the first segment 132 extends into the first through hole 112, the other end extends into the second through hole 113, and the elastic element 120 is accommodated in the first through hole 112 and sleeved on the portion of the guide rod 130 extending into the first through hole 112.

In the embodiment, the elastic member 120 is just accommodated in the first through hole 112 and is sleeved on the first section 132 located in the first through hole 112, so as to further improve the limiting effect on the elastic member 120, thereby improving the compression performance and stability of the elastic member 120. It should be further noted that the first boss 131 is disposed at an end of the first section 132, and the first boss 131 is located outside the first through hole 112.

One end of the second segment 133 extends into the third through hole 114 and is threadedly engaged with the third through hole 114, and the other end extends out of the third through hole 114 and is engaged with the nut 150.

In this embodiment, the surface of the second section 133 is provided with an external thread, the third through hole 114 is provided with an internal thread, the second section 133 partially extends into the third through hole 114 and is in threaded fit with the third through hole 114, and the other part extends out of the third through hole 114 and is in threaded fit with the nut 150, so that the guide member 140 is stably fixed on the bolt 110, and the structural stability and the installation strength of the locking assembly 100 are improved.

Further, the aperture of the first through hole 112, the second through hole 113, and the third through hole 114 are sequentially reduced.

In the embodiment, the first through hole 112, the second through hole 113 and the third through hole 114 together form the stepped through hole 111, and the elastic member 120 is accommodated in the first through hole 112, the first section 132 extends into the second through hole 113, and the second section 133 extends into the third through hole 114, so that the adaptability and the connection stability of the guide rod 130 and the through hole 111 are improved.

Further, the utility model also provides a trade electric equipment (not shown in the figure), trade electric equipment and include the helping hand release mechanism 10 like above-mentioned embodiment, through helping hand release mechanism 10, can promote and trade electric efficiency, realize trading the electricity fast.

To sum up, the utility model provides a helping hand release mechanism 10 and trade electrical equipment, spring bolt 110 is under the state of locking, push rod 300 is located same straight line with the elastic component 120 that sets up on spring bolt 110, therefore compress elastic component 120 so that elastic component 120 produces elastic deformation through push rod 300 under the locking state, when removing the locking, push rod 300 drives spring bolt 110 and rotates along the second direction, reduce the effort to elastic component 120 gradually simultaneously, elastic component 120 extends gradually by compression state, the elastic restoring force that elastic component 120 produced simultaneously acts on spring bolt 110, it rotates along the second direction to promote spring bolt 110, thereby realized providing the helping hand when removing the locking state for spring bolt 110, the unblock ability and the unblock efficiency of helping hand release mechanism 10 have been improved.

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

Claims

1. A power-assisted unlocking mechanism is characterized by comprising a locking assembly, a base, a push rod and a transmission assembly;

the push rod is in transmission connection with the lock tongue through the transmission assembly and is used for driving the lock tongue to rotate along a first direction through the transmission assembly under the action of driving force so as to be locked and abutting against the elastic piece so as to enable the elastic piece to generate elastic deformation;

the push rod is further used for driving the lock tongue to rotate along the second direction through the transmission assembly under the action of driving force so as to release the locking state, and is far away from the elastic piece so that the elastic piece recovers elastic deformation, and elastic restoring force generated by the elastic piece acts on the lock tongue so as to provide assistance for the lock tongue to release the locking state.

2. The power-assisted unlocking mechanism of claim 1, wherein the locking assembly further comprises a guide rod, the lock tongue is provided with a through hole, one end of the guide rod is fixedly arranged in the through hole, the elastic member is sleeved at the other end of the guide rod, one end of the elastic member is connected with the lock tongue, and the other end of the elastic member is used for being abutted against the push rod.

3. A power assisted unlock mechanism according to claim 2 wherein the lock assembly further comprises a guide member, a first boss is provided at an end of the guide rod extending out of the elastic member, the guide member is in sliding fit with the first boss, one end of the guide member is connected with the elastic member, and the other end of the guide member is used for abutting against the push rod.

4. A power assisted unlocking mechanism according to claim 3 wherein, in the event that the push rod drives the bolt to lock, the push rod moves towards the guide until contacting and pushing the guide to slide along the guide rod, so that the guide compresses the elastic member;

5. A power assisted unlocking mechanism as claimed in claim 3, wherein an annular limiting portion is provided at one end of the guide member adjacent to the elastic member, one surface of the limiting portion is connected to the elastic member, and the other surface is used for abutting against the first boss.

6. A power assisted unlocking mechanism according to claim 2, wherein the through hole comprises a first through hole and a second through hole which are communicated with each other, the guide rod comprises a first section, one end of the first section extends into the first through hole, the other end of the first section extends into the second through hole, and the elastic member is accommodated in the first through hole and sleeved on the part of the guide rod extending into the first through hole.

7. The power-assisted unlocking mechanism of claim 6 wherein the through holes further comprise a third through hole, and the first through hole, the second through hole and the third through hole are communicated in sequence;

8. A power assisted unlock mechanism according to claim 1 wherein the transmission assembly includes a first link and a second link, the first link being hingedly connected at one end to the base and at the other end to the second link;

9. A power assisted unlock mechanism according to claim 8 wherein the push rod includes a transmission portion and a push portion, the transmission portion is hinged to the first link, the push portion is detachably abutted to the latch;

10. An electric swapping device, characterized by comprising the power-assisted unlocking mechanism as claimed in any one of claims 1-9.