CN212353586U

CN212353586U - A quick-change electric lock body for an electric vehicle

Info

Publication number: CN212353586U
Application number: CN202021355417.7U
Authority: CN
Inventors: 岑晓武; 兰洪根; 胡仙旭; 章华; 郑沪
Original assignee: Weide Vehicle Unit Co ltd
Current assignee: Weide Vehicle Unit Co ltd
Priority date: 2020-07-12
Filing date: 2020-07-12
Publication date: 2021-01-15
Anticipated expiration: 2030-07-12

Abstract

The utility model relates to a quick-change electric lock body for an electric vehicle, which comprises a fixed seat and a plug-in module which is inserted and matched with the fixed seat. The lock-pin body of the plug-in module is divided into a lock-pin head and a lock-pin tail. The hollow interior of the body is provided with a positioning steel ball, an ejection block and a locking pin screw. The threaded section of the locking pin screw is threadedly connected with the locking pin body. The bolt head is connected to the driving section. The outer periphery of the upper end of the bottom bolt head is provided with a positioning convex ring, and an outer helical gear ring is formed outside the positioning convex ring. The lower end of the nut is provided with a positioning ring cover to match with the positioning convex ring, and the inner circumference of the lower end of the fixing nut is provided with an inner helical gear ring to match with the outer helical gear ring. Through the above-mentioned specific design, the utility model has the advantages of compact structure, stable connection of the power battery pack, high installation precision, convenient assembly and disassembly, and strong reliability.

Description

Electric automobile trades electric lock body fast

Technical Field

The utility model relates to an electric automobile trades electric lock body fast.

Background

The electric automobile is driven by a motor to drive a rear axle to run by taking a power battery as a power energy storage mechanism, is influenced by battery materials at present, is still low in charging efficiency of the power battery, cannot finish quick charging in a short time to guarantee the endurance of the vehicle, and therefore, the quick reloading of the battery is an effective mode for guaranteeing the endurance of the vehicle. The power battery pack is an electric energy storage device of the electric automobile and is a power core of the electric automobile, and the reliable fixation of the power battery pack on the electric automobile is a primary condition for ensuring the driving safety and the normal work of the automobile. At present, most of power battery packs of electric automobiles are generally arranged below an automobile chassis, and the traditional battery replacing lock is complex in structure and inconvenient to use, so that the power battery packs cannot be replaced quickly.

Disclosure of Invention

An object of the utility model is to overcome prior art's weak point, provide an electric automobile trades electric lock body fast, this electric automobile trades electric lock body fast's compact structure, connects firm operation convenient to use, reliability height.

The utility model provides a technical scheme that technical problem adopted is: the device comprises a fixed seat and an inserting module which is in inserting fit with the fixed seat, wherein an inserting positioning ring is arranged in the fixed seat, the inserting module comprises a lock pin body, the inner part of the lock pin body is designed to be hollow, the outer part of the lock pin body is divided into a lock pin head part and a lock pin tail part by an isolation convex ring, a positioning hole is formed in the peripheral wall of the lock pin head part, a positioning steel ball, an ejection block and a lock pin screw rod are arranged in the hollow inner part of the lock pin body, the lock pin screw rod is divided into a driving section, a screw thread section and a jacking section, the screw thread section is in threaded connection with the inner cavity wall of the lock pin body, the jacking section jacks the ejection block, the ejection block pushes the positioning steel ball to protrude out of the positioning hole to form locking fit with the inserting positioning ring, the driving section extends out of the lock pin body to form positioning inserting, the fixing nut is in threaded connection with the outer peripheral wall of the tail of the lock pin, a positioning ring cover is arranged at the lower end of the fixing nut and matched with the positioning convex ring, and an inner inclined gear ring and an outer inclined gear ring are arranged on the inner periphery of the lower end of the fixing nut and matched with each other.

The ejection block is in a square column shape, the four cylindrical surfaces are provided with conical grooves which are in push fit with the positioning steel balls, the bottom of the ejection block is provided with an arc convex surface, the diameter of the jacking section is smaller than that of the thread section, the top of the jacking section is provided with an arc concave surface, and the arc convex surface and the arc concave surface form positioning jacking fit.

The middle part and the lower part in the lock pin body are respectively provided with a positioning ring groove and a positioning groove, the positioning ring groove is provided with an elastic check ring, the jacking section of the lock pin screw penetrates through the elastic check ring and the upper end surface of the thread section to abut against the elastic check ring, the positioning groove is provided with an anti-withdrawing check ring, the diameter of the driving section is smaller than that of the thread section, an anti-withdrawing spring is sleeved outside the driving section, and the anti-withdrawing spring is limited to abut against between the anti-withdrawing check ring and the lower end.

The upper end part in the lock pin body is provided with a spring groove, a top spring is arranged in the spring groove, and the top spring is pressed on the ejection block.

The utility model discloses an above-mentioned concrete design, have that the connection of compact structure, power battery group is firm, the installation accuracy is high, the assembly is dismantled convenient, the strong advantage of reliability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic view of the assembly structure of the present invention.

Fig. 2 is a schematic structural diagram of the middle plug-in module of the present invention.

Fig. 3 is a schematic structural view of the middle fixing seat of the present invention.

Fig. 4 is a schematic structural diagram of the lock pin body of the present invention.

Fig. 5 is a schematic structural diagram of the middle ejection block of the present invention.

Fig. 6 is a schematic structural view of the locking pin screw of the present invention.

Fig. 7 is a schematic structural view of the bolt head at the bottom of the present invention.

Fig. 8 is a schematic structural view of the fixing nut of the present invention.

In the figure: the anti-backlash mechanism comprises a fixed seat 1, a plug-in module 2, a plug-in positioning ring 3, a locking pin body 4, an isolation convex ring 5, a locking pin head 6, a positioning hole 7, a steel ball 8, an ejection block 9, a locking pin screw rod 10, a driving section 11, a screw section 12, a jacking section 13, a bottom bolt head 14, a positioning convex ring 15, an outer inclined gear ring 16, a fixing nut 17, a positioning ring cover 18, an inner inclined gear ring 19, a conical groove 20, an arc convex surface 21, an arc concave surface 22, a positioning ring groove 23, a positioning groove 24, an elastic check ring 25, an anti-backlash check ring 26, an anti-backlash spring 27, a spring groove 28, a locking pin tail 29, a top spring 30, a cover plate.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in the figure, the utility model discloses a fixing base 1 and with 1 grafting complex grafting module 2 of fixing base are equipped with grafting holding ring 3, the fixed apron 31 of dorsal part of fixing base 1 in the fixing base 1. The plug-in module 2 comprises a lock pin body 4, the interior of the lock pin body 4 is hollow, the exterior of the lock pin body is divided into a lock pin head 6 and a lock pin tail 29 by an isolation convex ring 5, a positioning hole 7 is arranged on the peripheral wall of the lock pin head 6, a positioning steel ball 8, an ejection block 9 and a lock pin screw 10 are arranged in the hollow interior of the lock pin body 4, the lock pin screw 10 is divided into a driving section 11, a threaded section 12 and a jacking section 13, the threaded section 12 is in threaded connection with the inner cavity wall of the lock pin body 4, the jacking section 13 jacks the ejection block 9, the ejection block 9 pushes the positioning steel ball 8 to protrude out of the positioning hole 7 to form locking fit with a plug-in positioning ring 3, the driving section 11 extends out of the lock pin body 4 to form positioning plug-in fit with a bottom bolt head 14, the bottom bolt head 14 is linked with the driving section 11, a positioning convex ring 15 is arranged on the periphery, the fixed nut 17 is in threaded connection with the outer peripheral wall of the lock pin tail part 29, a positioning ring cover 18 matched with the positioning convex ring 15 is arranged at the lower end part of the fixed nut 17, and an inner bevel gear ring 19 matched with the outer bevel gear ring 16 is arranged on the inner periphery of the lower end of the fixed nut 17. The ejection block 9 is in a square column shape, the four cylindrical surfaces are provided with the tapered grooves 20 which are in push-press fit with the positioning steel balls 8, the bottom of the ejection block 9 is provided with the arc convex surface 21, the diameter of the jacking section 13 is smaller than that of the thread section 12, the top of the jacking section is provided with the arc concave surface 22, the arc convex surface 21 and the arc concave surface 22 form positioning jacking fit, and jacking is more flexible and reliable due to the fit of the arc surfaces. The middle part and the lower part in the lock pin body 4 are respectively provided with a positioning ring groove 23 and a positioning groove 24, the positioning ring groove 23 is provided with an elastic check ring 25, the jacking section 13 of the lock pin screw 10 penetrates through the elastic check ring 25, the upper end surface of the thread section 12 abuts against the elastic check ring 25, the positioning groove 24 is provided with an anti-back check ring 26, the diameter of the driving section 11 is smaller than that of the thread section 12 and is sleeved with an anti-back spring 27, the anti-back spring 27 is limited and abutted between the anti-back check ring 26 and the lower end surface of the thread section 12, and the arrangement of the elastic check ring 25 and the anti-back spring 27 has the function of stabilizing. A spring groove 28 is formed in the upper end portion of the lock pin body 4, a top spring 30 is installed in the spring groove 28, and the top spring 30 is pressed against the ejection block 9. When locking operation is carried out, the head part 6 of the lock pin is inserted into the inserting positioning ring 3 of the fixed seat 1, the bottom bolt head 14 is rotated, the bottom bolt head 14 enables the thread section 12 of the lock pin screw rod 10 to rotate and rise in the lock pin body 4 through the driving section 11, the circular arc concave surface 22 of the jacking section 13 of the lock pin screw rod 10 is matched with the circular arc convex surface 21 at the bottom of the ejection block 9 to push the ejection block 9 to rise, the top spring 30 is compressed, the conical groove 20 of the ejection block 9 pushes the positioning steel ball 8, part of the positioning steel ball 8 protrudes out of the positioning hole 7 to enter the inserting positioning ring 3 and is fixed by the positioning arc convex 32 arranged at the annular opening part of the inserting positioning ring 3, so that the fixed seat 1 and the inserting module 2 are locked and connected, the fixing nut 17 is screwed continuously, the positioning ring cover 18 arranged at the lower end part of the fixing nut 17 is matched with the positioning convex ring 15, the inner inclined gear, preventing loosening of the bottom bolt head 14. In the unlocking operation, the fixing nut 17 is first loosened, and the inner helical gear 19 of the fixing nut 17 is disengaged from the outer helical gear 16 of the bottom bolt head 14. And then, the bottom bolt head 14 is rotated reversely, the bottom bolt head 14 enables the whole lock pin screw rod 10 to rotate and descend in the lock pin body 4 through the driving section 11, the ejection block 9 slides downwards under the action of the top spring 30, the conical groove 20 of the ejection block 9 is gradually separated from the positioning steel ball 8, the positioning steel ball 8 loses the positioning pressure, when the lock pin head 6 is pulled out from the inserting positioning ring 3, the positioning steel ball 8 returns to the positioning hole 7, the fixing seat 1 is separated from the inserting module 2, and the unlocking is completed.

It should be understood that the above-described embodiments are merely illustrative of the preferred embodiments of the present invention and the technical principles thereof. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, these modifications are within the scope of the present invention as long as they do not depart from the spirit of the present invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.

Claims

1. A quick-change electric lock body for an electric vehicle, characterized in that it comprises a fixed seat (1) and a plug-in module (2) that is plugged and matched with the fixed seat (1), and the fixed seat (1) is provided with a plug-in positioning The ring (3), the plug-in module (2) includes a locking pin body (4), the locking pin body (4) has a hollow interior design, and the outside is divided into a locking pin head (6) and a locking pin tail by an isolation convex ring (5) (29), a positioning hole (7) is provided on the peripheral wall of the locking pin head (6), and a positioning steel ball (8), an ejector block (9) and a locking pin screw are arranged in the hollow interior of the locking pin body (4). (10), the locking pin screw (10) is divided into a driving section (11), a threaded section (12) and a pressing section (13), and the threaded section (12) is threadedly connected to the inner cavity wall of the locking pin body (4), The top pressing section (13) presses against the ejecting block (9), and the ejecting block (9) pushes the positioning steel ball (8) to protrude out of the positioning hole (7) to form a locking fit with the insertion positioning ring (3), and the driving section ( 11) Extending outside the lock pin body (4) to form a positioning and inserting fit with the bottom bolt head (14), the bottom bolt head (14) is linked with the driving section (11), and the outer periphery of the upper end of the bottom bolt head (14) is positioned for positioning A convex ring (15), an outer helical gear ring (16) is formed on the outside of the positioning convex ring (15), the bottom bolt head (14) is externally connected to a fixing nut (17), the fixing nut (17) and the outer periphery of the locking pin tail (29) The wall is threadedly connected, the lower end of the fixing nut (17) is provided with a positioning ring cover (18) to cooperate with the positioning convex ring (15), and the inner circumference of the lower end of the fixing nut (17) is provided with an inner helical gear ring (19) and an outer helical gear Matching ring (16).

2. A quick-change electric lock body for an electric vehicle according to claim 1, characterized in that the ejector block (9) is a square column, and the four cylindrical surfaces are provided with conical grooves (20) and positioning The steel ball (8) is pressed and fitted, the bottom of the ejector block (9) is provided with a circular arc convex surface (21), the diameter of the top pressing section (13) is smaller than that of the threaded section (12) and the top is provided with a circular arc concave surface (22) , the arc convex surface (21) and the arc concave surface (22) form a positioning top press fit.

3. The electric vehicle quick-change lock body according to claim 2, characterized in that a positioning ring groove (23) and a positioning groove (24) are respectively provided in the middle and the lower part of the lock pin body (4) , an elastic retaining ring (25) is arranged at the positioning ring groove (23), the top pressing section (13) of the locking pin screw (10) passes through the elastic retaining ring (25), and the upper end surface of the threaded section (12) presses against the elastic retaining ring ring (25), an anti-return retaining ring (26) is arranged at the positioning groove (24), the diameter of the driving section (11) is smaller than that of the threaded section (12), and the anti-return spring (27) is sheathed, and the anti-return spring (27) is limited It is pressed between the anti-return retaining ring (26) and the lower end face of the threaded segment (12).

4. A quick-change electric lock body for an electric vehicle according to claim 3, characterized in that a spring groove (28) is provided at the inner upper end of the lock pin body (4), and a top spring (28) is installed in the spring groove (28). 30), the top spring (30) presses on the ejector block (9).