CN216915592U - Quick-change locking mechanism and electric automobile - Google Patents

Quick-change locking mechanism and electric automobile Download PDF

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Publication number
CN216915592U
CN216915592U CN202220545057.XU CN202220545057U CN216915592U CN 216915592 U CN216915592 U CN 216915592U CN 202220545057 U CN202220545057 U CN 202220545057U CN 216915592 U CN216915592 U CN 216915592U
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China
Prior art keywords
nut
lock
lock body
quick
bolt
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CN202220545057.XU
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Chinese (zh)
Inventor
胡万泉
李玉军
侯艳丽
高敏
李扬
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Beijing Shengneng Energy Technology Co Ltd
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Beijing Shengneng Energy Technology Co Ltd
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Priority to CN202220545057.XU priority Critical patent/CN216915592U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

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Abstract

The utility model belongs to the technical field of electric automobile battery replacement stations, and discloses a quick-change locking mechanism and an electric automobile. The quick-change locking mechanism comprises a locking nut, a lock body outer cover, a locking bolt, a driving nut and a lubricating piece, the locking nut is fixedly connected with a vehicle body of the electric vehicle, the lock body outer cover is fixedly connected with a battery pack of the electric vehicle, the locking bolt is arranged inside the lock body outer cover, the head of the locking bolt can extend out of the lock body outer cover and is in threaded connection with the locking nut, the driving nut is in threaded connection with the tail of the locking bolt, the locking bolt is in a locking state in threaded connection with the locking nut and an unlocking state in the lock body outer cover, when the driving nut rotates, the locking bolt can be driven to be switched between the locking state and the unlocking state, the lubricating piece is arranged between the lock body outer cover and the locking nut, the outer surface of the head of the locking bolt is lubricated, and the service life of the quick-change locking mechanism is prolonged.

Description

Quick-change locking mechanism and electric automobile
Technical Field
The utility model relates to the technical field of electric automobile power station changing equipment, in particular to a quick-change locking mechanism and an electric automobile.
Background
In recent years, with the gradual popularization and rapid development of electric automobiles, the trend of electric automobiles is more obvious, and the technology is also improved to a great extent. The electric vehicle uses a power battery as a driving source, but the power battery is difficult to complete charging in a short time, so the main way for ensuring that the new energy vehicle can supplement electric energy in a short time is to "replace electricity". In order to increase the battery replacement speed during battery replacement, a locking mechanism is generally used to fix the power battery to a bracket of the vehicle body.
When locking and unlocking are carried out on an existing bolt type locking mechanism, a locking bolt can move relative to a lock body outer cover, friction is generated between the moving process and the lock body outer cover and a locking nut, and part of the locking bolt is exposed in an external environment when the locking bolt is in a locking state.
SUMMERY OF THE UTILITY MODEL
According to one aspect of the utility model, the utility model provides a quick-change locking mechanism which has the advantage of long service life.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a quick-change locking mechanism comprises a locking nut, a lock body outer cover, a locking bolt driving nut and a lubricating piece,
lock nut and electric automobile's automobile body fixed connection, the lock body dustcoat with electric automobile's battery package fixed connection, lock bolt sets up inside the lock body dustcoat, just lock bolt's head can stretch out the lock body dustcoat with lock nut threaded connection, driving nut with lock bolt's afterbody threaded connection, lock bolt have with lock nut threaded connection add the lock state with accomodate in the inside unblock state of lock body dustcoat, work as when driving nut rotates, can drive lock bolt is in add the lock state with switch between the unblock state, the lubricate piece sets up lock body dustcoat with between the lock nut, be used for the lubrication the surface of lock bolt's head.
Optionally, the lock body housing includes a lock body cavity and a first communication hole, the first communication hole is communicated with the lock body cavity, the first communication hole is close to the head of the locking bolt, a groove is formed in the inner wall of the first communication hole, and part of the lubricating member is fixed in the groove.
Optionally, the groove is formed along the circumferential direction of the inner wall of the first communication hole.
Optionally, the lock body dustcoat still includes the second intercommunicating pore, the second intercommunicating pore with the lock body chamber intercommunication, quick change locking mechanism still includes the mount pad, drive nut wears to locate the second intercommunicating pore with the mount pad links to each other, just drive nut can be relative the mount pad rotates, the mount pad with lock body dustcoat fixed connection.
Optionally, an anti-rotation groove is formed in the lock body outer cover, part of the mounting seat is mounted in the anti-rotation groove, and the anti-rotation groove can limit the mounting seat to rotate relative to the lock body outer cover.
Optionally, the surface of driver nut is equipped with prevents changeing the arch, the mount pad is including preventing changeing the portion, prevent being equipped with in the portion of changeing and prevent changeing the draw-in groove, prevent changeing the arch can with prevent changeing the draw-in groove joint, in order to prevent driver nut is relative the mount pad rotates.
Optionally, be equipped with spacing portion on the locking bolt, spacing portion can the joint in the inner wall of lock body dustcoat.
Optionally, the locking bolt further comprises a return spring, the return spring is sleeved on the locking bolt, and the return spring is arranged between the limiting part and the driving nut.
Optionally, the electric vehicle further comprises a nut box, the lock nut is fixed on the nut box, and the nut box is fixedly connected with the vehicle body of the electric vehicle.
According to another aspect of the utility model, the utility model further provides an electric automobile which comprises an automobile body and a battery pack, wherein the electric automobile comprises the quick-change locking mechanism, the automobile body is fixedly connected with the lock nut, and the battery pack is fixedly connected with the lock body outer cover.
The utility model has the beneficial effects that:
through setting up the lubrication part between lock body dustcoat and lock nut, when lock bolt lockingly or when the unblock, lock bolt can remove along its axis direction, and then and produce the friction between the lubrication part for the lubricating piece can be lubricated the surface of lock bolt's head, thereby alleviates the wearing and tearing that locking and unblock between lock bolt and the lock nut brought repeatedly, prolongs above-mentioned quick change locking mechanism's life.
Through setting up mount pad and lock body dustcoat fixed connection, can avoid the mount pad to rotate along with drive nut's rotation, and then improve the joint strength between mount pad and the drive nut, guarantee above-mentioned quick change locking mechanism's structural stability.
The anti-rotation bulge is arranged on the surface of the driving nut, the anti-rotation part is correspondingly arranged on the mounting seat, the anti-rotation bulge is connected with the anti-rotation clamping groove in the anti-rotation part in a clamped mode, the driving nut can be prevented from rotating relative to the mounting seat, the locking bolt in a locking state is prevented from rotating to unlock, the battery box is prevented from falling off from the automobile body, and the working reliability of the battery box is guaranteed.
Drawings
FIG. 1 is a cross-sectional view of a quick-change locking mechanism provided by the present invention;
FIG. 2 is a cross-sectional view of a lock body housing provided by the present invention;
FIG. 3 is a bottom view of the quick-change locking mechanism provided by the present invention;
fig. 4 is an exploded view of the quick-change locking mechanism provided by the present invention.
In the figure:
100. locking the nut; 200. a lock body outer cover; 210. locking the body cavity; 220. a first communication hole; 221. a groove; 230. a second communication hole; 240. an anti-rotation slot; 300. locking the bolt; 310. a limiting part; 400. a drive nut; 410. an anti-rotation protrusion; 500. a lubricating member; 600. a mounting base; 610. a rotation prevention section; 611. an anti-rotation clamping groove; 620. a bolt; 700. a return spring; 800. and a nut box.
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 utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings, not all of them.
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, removably 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. 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", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific 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 have a special meaning.
The utility model provides a quick-change locking mechanism which has the advantage of long service life.
Specifically, as shown in fig. 1, the quick-change locking mechanism includes a lock nut 100, a lock housing 200, a lock bolt 300, a driving nut 400, and a lubrication member 500, wherein the lock nut 100 is fixedly connected to a body of an electric vehicle, the lock housing 200 is fixedly connected to a battery pack of the electric vehicle, the lock bolt 300 is disposed in the lock housing 200, and a head of the lock bolt 300 can extend out of the lock housing 200 and, of course, can be accommodated inside the lock housing 200. The lock bolt 300 has two working states of a locked state and an unlocked state, the driving nut 400 is threadedly coupled to the rear portion of the lock bolt 300, and the lock bolt 300 can be switched between the locked state and the unlocked state when the driving nut 400 is rotated. When the head of the locking bolt 300 extends out of the lock body outer cover 200, the locking bolt 300 is in threaded connection with the locking nut 100, locking is completed, and at the moment, the battery pack is fixed on a vehicle body, so that the battery pack of the electric vehicle is mounted; when the lock bolt 300 is accommodated in the lock body housing 200, the lock bolt 300 is away from the lock nut 100, unlocking is completed, and the battery pack is separated from the body of the electric vehicle, so that the battery is replaced. The lubricating member 500 is disposed between the lock body housing 200 and the lock bolt 300, so that the lubricating member 500 can lubricate the outer surface of the head of the lock bolt 300, and on one hand, can remove silt and dust attached to the outer surface of the head of the lock bolt 300, and reduce abrasion between the lock bolt 300 and the lock nut 100; on the other hand, the contact between the outer surface of the head of the locking bolt 300 and water or air can be isolated, and the risk of corrosion of the locking bolt 300 is reduced.
Further, as shown in fig. 2, the lock body housing 200 may include a lock body cavity 210 and a first communication hole 220, the lock body cavity 210 is communicated with the first communication hole 220, the lock bolt 300 is disposed in the lock body cavity 210, and the head of the lock bolt 300 can extend out of the lock body housing 200 from the first communication hole 220 to be in threaded connection with the lock nut 100, a groove 221 may be disposed on an inner wall of the first communication hole 220, a portion of the lubricant 500 is mounted in the groove 221, and the lubricant 500 that is not mounted in the groove 221 may be closely attached to an outer surface of the head of the lock bolt 300, so that the lubricant 500 can apply lubricant to the outer surface of the head of the lock bolt 300, and wipe off dust and rainwater attached to the outer surface of the head of the lock bolt 300.
Preferably, with continued reference to fig. 2, the groove 221 may be open along a circumferential direction of the inner wall of the first communication hole 220. In one embodiment, the groove 221 may be continuously formed along the circumferential direction of the first through hole 220, and accordingly, the lubricating member 500 is also continuously formed along the inner wall of the first through hole 220, so that the outer surface of the head of the locking bolt 300 can be in contact with the lubricating member 500, which is beneficial to protecting the head of the locking bolt 300 from the lubricating member 500 in all directions, and the service life of the locking bolt 300 is prolonged to the maximum extent. In other embodiments, the grooves 221 may also be formed at intervals along the circumferential direction of the first through hole 220, and may be formed according to actual requirements.
Optionally, in an embodiment, the lubricating member 500 may be made of a sponge, because the sponge can store a lubricant and has a certain deformation capability, on one hand, the sponge can be tightly attached to the outer surface of the head of the locking bolt 300, so as to ensure the lubrication of the outer surface of the head of the locking bolt 300, which is beneficial to improving the service life of the locking bolt 300; on the other hand, the cable is not easy to damage and has long service life; on the other hand, the installation is convenient, the process is simplified, and the installation efficiency is improved.
Further, with continued reference to fig. 1 and 2, the lock body housing 200 further includes a second communication hole 230, the second communication hole 230 is communicated with the lock body cavity 210, the quick-change locking mechanism further includes a mounting base 600, the driving nut 400 is inserted into the second communication hole 230 and connected to the mounting base 600, the mounting base 600 is disposed at the second communication hole 230 and fixedly connected to the lock body housing 200, the mounting base 600 can support the driving nut 400, and thus indirectly support the locking bolt 300, prevent the locking bolt 300 and the driving nut 400 from being separated from the lock body housing 200, and ensure the working reliability of the locking bolt 300. The driving nut 400 can rotate relative to the mounting seat 600 to ensure the reliability of the operation of the driving nut 400.
Alternatively, in one embodiment, the mounting seat 600 and the lock body housing 200 may be connected by a bolt 620, and specifically, a plurality of connecting holes may be formed in the mounting seat 600, and the bolt 620 is threaded through the connecting holes to be connected with the lock body housing 200. Bolts 620 may be spaced circumferentially of mount 600. The number of the bolts 620 may be set according to actual needs, such as 2, 3 or 4, in this example, two bolts 620 are provided.
Alternatively, as shown in fig. 3, in another embodiment, an external thread may be provided on an outer surface of the mount 600, and correspondingly, an internal thread may be provided on an inner wall of the second communication hole 230, and the mount 600 is threadedly coupled with the lock body housing 200. However, when the electric vehicle does not need to be powered, the locking bolt 300 is always in the locked state, and at this time, since there is a certain vibration in the vehicle body during the vehicle travel, the vibration may cause the mounting seat 600 to rotate in the direction of loosening and loosening the threads, and along with the extension of the service time, the mounting seat 600 has a risk of being separated from the lock body outer cover 200, which may cause the parts of the quick-change locking mechanism to loosen and even be lost. Therefore, the anti-rotation groove 240 may be formed in the lock body outer cover 200, and a portion of the mounting base 600 is installed in the anti-rotation groove 240, so that the anti-rotation groove 240 can limit the mounting base 600 to rotate relative to the lock body outer cover 200, thereby preventing the mounting base 600 from loosening due to vibration of the vehicle body.
Preferably, the anti-rotation slot 240 may be a polygonal structure, such as a triangle, a quadrangle, a pentagon, a hexagon, etc., and the shape that can limit the rotation of the mounting seat 600 relative to the lock body housing 200 is within the protection scope of the present application and can be selected according to actual needs.
Further, as shown in fig. 4, when the electric vehicle does not need to be changed, the locking bolt 300 is in a locked state, and the vehicle body of the electric vehicle has a certain vibration during driving, if the driving nut 400 rotates due to the vibration of the vehicle body, the locking bolt 300 is easily driven to rotate, and further the locking bolt 300 may be separated from the locking nut 100 to complete unlocking, so that the battery pack is separated from the electric vehicle, which causes a significant loss. Therefore, the anti-rotation protrusion 410 may be disposed on the outer surface of the driving nut 400, and accordingly, the mounting base 600 includes the anti-rotation portion 610, the anti-rotation portion 610 is provided with the anti-rotation clamping groove 611, and the anti-rotation protrusion 410 may be clamped with the anti-rotation clamping groove 611, so as to prevent the driving nut 400 from rotating, ensure the working reliability of the locking bolt 300, and reduce the failure rate of the electric vehicle.
Preferably, with continued reference to fig. 4, in one embodiment, the anti-rotation protrusions 410 may be in the shape of teeth, and correspondingly, the anti-rotation portion 610 is provided with protrusions having the same structure as the anti-rotation protrusions 410, and an anti-rotation slot 611 is formed between adjacent protrusions. The rotation preventing protrusions 410 may be continuously provided in the circumferential direction of the driving nut 400, or may be provided at intervals in the circumferential direction of the driving nut 400. It is conceivable that the rotation preventing catching grooves 611 may be provided continuously in the circumferential direction of the rotation preventing portion 610, or may be provided at intervals in the circumferential direction of the rotation preventing portion 610. In other embodiments, the anti-rotation protrusion 410 may have other shapes, which may be selected according to actual needs.
Further, since the driving nut 400 needs to rotate to drive the locking bolt 300 to complete locking and unlocking, a jacking mechanism can be arranged to connect the driving end of the jacking mechanism with the bottom of the driving nut 400, and when locking or unlocking is needed, the anti-rotation protrusions 410 on the driving nut 400 are separated from the anti-rotation slots 611 of the anti-rotation portions 610 through the jacking mechanism. A drive mechanism may also be provided, the output of which is drivingly connected to the drive nut 400 to drive the drive nut 400 in rotation. The drive mechanism may be a motor.
Alternatively, a hole may be formed in the mounting base 600 to facilitate the coupling of the driving nut 400 to the lifting mechanism and the driving mechanism.
Preferably, in order to prevent the lock nut 100 from being separated from the driving nut 400 due to an excessively long moving distance under the driving of the driving nut 400, a limiting portion 310 may be disposed at an end close to the head of the driving nut 400, when the lock bolt 300 is locked, the limiting portion 310 may be clamped to the inner wall of the lock body housing 200, and at this time, the tail of the lock bolt 300 is not separated from the driving nut 400, which is beneficial to ensuring the working reliability of the lock bolt 300, and further ensuring the working reliability of the quick-change locking mechanism.
Preferably, in order to ensure that the anti-rotation protrusion 410 on the driving nut 400 can be clamped with the anti-rotation slot 611 on the anti-rotation portion 610 of the mounting seat 600 when the locking bolt 300 is in the locked state, so as to prevent the driving nut 400 from rotating, a return spring 700 may be provided, the return spring 700 may be sleeved on the locking bolt 300, and the return spring 700 may be provided between the limiting portion 310 of the locking bolt 300 and the driving nut 400. Specifically, one end of the return spring 700 may abut against the stopper 310 of the lock bolt 300, and the other end may abut against the end surface of the drive nut 400, and the return of the drive nut 400 is assisted by the restoring force of the return spring 700. The reliability of the locking operation of the locking bolt 300 is advantageously ensured.
Further, with continued reference to fig. 4, a nut box 800 may be provided, the lock nut 100 is connected to the nut box 800, the nut box 800 is fixedly connected to the vehicle body of the electric vehicle, and the lock nut 100 is connected to the vehicle body through the nut box 800, which is beneficial to improving the connection strength between the lock nut 100 and the vehicle body and ensuring the reliability of the operation of the lock nut 100.
Preferably, in one embodiment, the locking nut 100 includes a locking portion and a mounting portion, the nut box 800 includes a bottom plate and connecting plates disposed on two sides of the bottom plate, the two connecting plates and the bottom plate enclose an accommodating cavity for mounting the mounting portion of the locking nut 100, the connecting plates are further provided with notches, after the two connecting plates enclose, the two notches form an avoiding opening, and the locking portion of the locking nut 100 can penetrate out from the avoiding opening. Specifically, when mounting, the mounting portion of the lock nut 100 may be first placed on the bottom plate of the nut case 800, and then the connecting plate may be bent to fix the mounting portion between the connecting plate and the bottom plate.
Preferably, during installation, lubricating grease can be applied between the tail of the locking bolt 300 and the driving nut 400, so that on one hand, the friction between the locking bolt 300 and the driving nut 400 is reduced, the abrasion between the locking bolt 300 and the driving nut 400 is delayed, and the service life of the quick-change locking mechanism is prolonged; on the other hand, the corrosion of the locking bolt 300 and the driving nut 400 is avoided, and the service life of the locking bolt 300 and the driving nut 400 is prolonged.
According to the utility model, the lubricating piece 500 capable of lubricating the head of the locking bolt 300 is arranged between the lock body outer cover 200 and the locking bolt 300, so that dust impurities on the outer surface of the head of the locking bolt 300 can be erased, the abrasion of the locking bolt 300 is delayed, the contact between the outer surface of the head of the locking bolt 300 and air and water can be isolated, and the corrosion of the locking bolt 300 is avoided. The anti-rotation protrusion 410 is arranged on the surface of the driving nut 400, and accordingly the anti-rotation portion 610 is arranged on the mounting seat 600, so that the anti-rotation protrusion 410 is connected with the anti-rotation clamping groove 611 on the anti-rotation portion 610 in a clamped mode, the driving nut 400 can be prevented from rotating relative to the mounting seat 600, further the situation that the locking bolt 300 in a locking state is rotated to unlock due to the rotation of the driving nut 400 is avoided, the battery box is prevented from falling off from the automobile body, and the working reliability of the battery box is guaranteed.
The utility model further provides an electric automobile which comprises an automobile body, a battery pack and the quick-change locking mechanism, wherein the automobile body is connected with the lock nut 100, and the battery pack is connected with the lock body outer cover 200. Through the quick-change locking mechanism, the quick disassembly and assembly of the battery pack can be realized when the electric automobile is replaced with electricity.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the utility model. 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 (10)

1. A quick-change locking mechanism is characterized by comprising a lock nut (100), a lock body outer cover (200), a lock bolt (300), a driving nut (400) and a lubricating piece (500),
the lock bolt is characterized in that the lock nut (100) is fixedly connected with a vehicle body of an electric vehicle, the lock body outer cover (200) is fixedly connected with a battery pack of the electric vehicle, the lock bolt (300) is arranged in the lock body outer cover (200), the head of the lock bolt (300) can extend out of the lock body outer cover (200) and is in threaded connection with the lock nut (100), the drive nut (400) is in threaded connection with the tail of the lock bolt (300), the lock bolt (300) is provided with a locking state in threaded connection with the lock nut (100) and an unlocking state in the lock body outer cover (200), when the drive nut (400) rotates, the lock bolt (300) can be driven to be switched between the locking state and the unlocking state, the lubricating piece (500) is arranged between the lock body outer cover (200) and the lock nut (100), for lubricating the outer surface of the head of the locking bolt (300).
2. The quick-change locking mechanism according to claim 1, characterized in that the lock body housing (200) comprises a lock body cavity (210) and a first through-hole (220), the first through-hole (220) is communicated with the lock body cavity (210), the first through-hole (220) is arranged near the head of the lock bolt (300), a groove (221) is arranged on the inner wall of the first through-hole (220), and part of the lubricating piece (500) is fixed on the groove (221).
3. The quick-change locking mechanism according to claim 2, characterized in that the groove (221) is open along the circumferential direction of the inner wall of the first communication hole (220).
4. The quick-change locking mechanism according to claim 2, characterized in that the lock body housing (200) further comprises a second communication hole (230), the second communication hole (230) is communicated with the lock body cavity (210), the quick-change locking mechanism further comprises a mounting seat (600), the driving nut (400) is arranged in the second communication hole (230) in a penetrating manner and is connected with the mounting seat (600), the driving nut (400) can rotate relative to the mounting seat (600), and the mounting seat (600) is fixedly connected with the lock body housing (200).
5. The quick-change locking mechanism according to claim 4, characterized in that the lock body housing (200) is provided with an anti-rotation slot (240), part of the mounting seat (600) is mounted on the anti-rotation slot (240), and the anti-rotation slot (240) can limit the rotation of the mounting seat (600) relative to the lock body housing (200).
6. The quick-change locking mechanism according to claim 4 or 5, wherein an anti-rotation protrusion (410) is disposed on an outer surface of the driving nut (400), the mounting seat (600) includes an anti-rotation portion (610), an anti-rotation clamping groove (611) is disposed on the anti-rotation portion (610), and the anti-rotation protrusion (410) can be clamped with the anti-rotation clamping groove (611) to prevent the driving nut (400) from rotating relative to the mounting seat (600).
7. The quick-change locking mechanism according to claim 6, characterized in that the locking bolt (300) is provided with a limiting portion (310), and the limiting portion (310) can be clamped on the inner wall of the lock body housing (200).
8. The quick-change locking mechanism according to claim 7, further comprising a return spring (700), wherein the return spring (700) is sleeved on the locking bolt (300), and the return spring (700) is disposed between the limiting portion (310) and the driving nut (400).
9. The quick-change locking mechanism according to claim 1, further comprising a nut box (800), wherein the lock nut (100) is fixed on the nut box (800), and the nut box (800) is fixedly connected with the body of the electric vehicle.
10. An electric vehicle comprising a vehicle body and a battery pack, wherein the electric vehicle comprises the quick-change locking mechanism according to any one of claims 1 to 9, the vehicle body is fixedly connected with the lock nut (100), and the battery pack is fixedly connected with the lock body housing (200).
CN202220545057.XU 2022-03-14 2022-03-14 Quick-change locking mechanism and electric automobile Active CN216915592U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220545057.XU CN216915592U (en) 2022-03-14 2022-03-14 Quick-change locking mechanism and electric automobile

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Application Number Priority Date Filing Date Title
CN202220545057.XU CN216915592U (en) 2022-03-14 2022-03-14 Quick-change locking mechanism and electric automobile

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CN216915592U true CN216915592U (en) 2022-07-08

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CN202220545057.XU Active CN216915592U (en) 2022-03-14 2022-03-14 Quick-change locking mechanism and electric automobile

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116093530A (en) * 2023-04-12 2023-05-09 中国第一汽车股份有限公司 Locking mechanism and vehicle
CN116315401A (en) * 2023-05-18 2023-06-23 北京玖行智研交通科技有限公司 Anti-impact locking assembly of battery box for battery replacement

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116093530A (en) * 2023-04-12 2023-05-09 中国第一汽车股份有限公司 Locking mechanism and vehicle
CN116093530B (en) * 2023-04-12 2023-09-01 中国第一汽车股份有限公司 Locking mechanism and vehicle
CN116315401A (en) * 2023-05-18 2023-06-23 北京玖行智研交通科技有限公司 Anti-impact locking assembly of battery box for battery replacement
CN116315401B (en) * 2023-05-18 2023-08-29 北京玖行智研交通科技有限公司 Anti-impact locking assembly of battery box for battery replacement

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