CN217022258U

CN217022258U - Locking mechanism, locking mechanism assembly and heavy truck

Info

Publication number: CN217022258U
Application number: CN202220839486.8U
Authority: CN
Inventors: 王硕; 李玉军; 侯艳丽; 高敏; 张文亮
Original assignee: Beijing Shengneng Energy Technology Co Ltd
Current assignee: Beijing Shengneng Energy Technology Co Ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-07-22
Anticipated expiration: 2032-04-12

Abstract

The utility model belongs to the technical field of replacement of heavy trucks, and particularly discloses a locking mechanism, a locking mechanism assembly and a heavy truck. The utility model also provides a locking mechanism assembly and a heavy truck, wherein the heavy truck comprises the locking mechanism assembly in the scheme, the locking mechanism assembly comprises the locking mechanism and a battery bracket, and the locking mechanism assembly is used for connecting the battery box and the heavy truck.

Description

Locking mechanism, locking mechanism assembly and heavy truck

Technical Field

The utility model relates to the technical field of replacement of batteries of heavy trucks, in particular to a locking mechanism, a locking mechanism assembly and a heavy truck.

Background

The charging mode of the electric heavy truck is usually carried out by adopting a battery replacement mode, the battery replacement mode has the advantages of short consumed time and high efficiency, the battery box in the current heavy truck is generally replaced in a special battery replacement station, and the battery replacement step comprises the following steps: firstly, an empty battery box is taken down by a battery replacing device in a battery replacing station and is placed in a charging station, then a fully charged battery box is loaded on an electric heavy truck, and the battery box is fixed by a locking device on the electric heavy truck.

Current locking device often adopts the cylinder to come to retrain locking device, however in the in-process of traveling at electronic heavily blocking, the situation of travelling that can appear comparatively jolting sometimes, if just touch the extreme condition that the cylinder cut off gas this moment, in addition the influence of vibrations, the situation that the pine takes off can probably appear in the cylinder, and locking mechanism produces the risk of being opened, and the security performance is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a locking mechanism, a locking mechanism assembly and a heavy truck, which can restrain a cylinder, thereby reducing the risk of opening the locking mechanism and having good safety performance.

In order to achieve the purpose, the utility model adopts the following technical scheme:

in a first aspect, the present invention provides a lock mechanism fixed to a battery bracket, the battery bracket having a battery box mounted thereon, the lock mechanism fixing the battery box to the battery bracket, the lock mechanism including:

the base is fixed on the battery bracket;

the driving mechanism comprises a driving piece, the driving piece is fixed on the base, and the driving piece comprises an output end;

the turnover mechanism is arranged on the base and comprises a clamping jaw, the output end of the turnover mechanism is connected with the turnover mechanism, and the output end drives the clamping jaw of the turnover mechanism to tightly press the inner wall of the battery box; and

the anti-disengaging mechanism is arranged on the base and connected with the overturning mechanism, and the anti-disengaging mechanism can apply tension to the overturning mechanism to prevent the overturning mechanism from loosening.

Optionally, the anti-falling mechanism comprises a first base, an elastic part and a connecting part, the first base is fixed on the base, one end of the elastic part is fixed on the first base, the other end of the elastic part is connected with one end of the connecting part, and the other end of the connecting part is fixedly connected with the turnover mechanism.

Optionally, the resilient member is provided as a spring.

Optionally, tilting mechanism includes second base and link assembly, link assembly includes push rod and dwang, the second base is fixed on the base, the rear end of push rod with the output is connected, the front end of push rod with the one end of dwang is connected through first axis of rotation, the other end of dwang with the middle part of clamping jaw is connected through second axis of rotation, the tip of clamping jaw with the second base passes through third axis of rotation and rotates the connection.

Optionally, the turnover mechanism further includes a rotating plate, the front end of the rotating plate is rotatably connected to the first rotating shaft, the rear end of the rotating plate is rotatably connected to the second base through a fourth rotating shaft, and the connecting member is fixedly connected to the fourth rotating shaft.

Optionally, the driving mechanism includes a third base, the third base is fixed on the base, the driving member is rotatably disposed on the third base through a fifth rotating shaft, and the output end and the base are disposed at an included angle.

Optionally, the driving part is an air cylinder, and the output end is an air cylinder ejector rod.

Optionally, a rubber pad is arranged on the clamping jaw.

In a second aspect, the present invention provides a locking mechanism assembly, including the locking mechanism in any one of the above aspects and a battery bracket, wherein the locking mechanism is disposed on the battery bracket.

In a third aspect, the utility model further provides a heavy truck, which includes the locking mechanism assembly in the above scheme, and the locking mechanism assembly is used for connecting the battery box and the heavy truck.

The beneficial effects of the utility model are as follows:

the utility model provides a locking mechanism, which comprises a base, a driving mechanism, a turnover mechanism and an anti-falling mechanism, wherein the driving mechanism, the turnover mechanism and the anti-falling mechanism are arranged on the base, the driving mechanism comprises a driving piece, the output end of the driving piece is connected with the turnover mechanism, the output end of the driving piece can drive a clamping jaw of the turnover mechanism to tightly press a battery box so as to fix the battery box on a battery bracket, the anti-falling mechanism is connected with the turnover mechanism, and the anti-falling mechanism can apply tension to the turnover mechanism so as to prevent the clamping jaw of the turnover mechanism from loosening from the inner wall of the battery box, so that the stability and firmness of fixing the battery box by the locking mechanism are ensured, the battery box is not easy to loosen and separate, and the safety performance is good.

The utility model provides a locking mechanism assembly which comprises a locking mechanism and a battery bracket in the scheme, wherein the locking mechanism is arranged on the battery bracket, and through the arrangement of an anti-falling mechanism, the locking mechanism can be ensured to be continuously in a locking state under special working conditions, the fixing effect of a battery box is good, the reliability of the locking mechanism assembly is higher, and the safety performance is good.

The utility model further provides a heavy truck, and the battery box can be firmly fixed on the heavy truck through the locking mechanism assembly in the scheme, so that the battery box is not easy to loosen, and the safety of a driver is ensured.

Drawings

Fig. 1 is a schematic structural view of a lock mechanism provided in an embodiment of the present invention;

FIG. 2 is a top view of a locking mechanism provided in an embodiment of the present invention;

fig. 3 is a sectional view of section a-a in fig. 2.

In the figure:

100. a base; 101. a first fixing hole; 201. a fifth rotating shaft; 210. a drive member; 220. an output end; 230. a third base; 301. a first rotating shaft; 302. a second rotating shaft; 303. a third rotating shaft; 304. a fourth rotating shaft; 310. a clamping jaw; 311. a rubber pad; 320. a second base; 330. a push rod; 340. rotating the rod; 350. a rotating plate; 410. a first base; 420. an elastic member; 430. a connecting member; 500. and a second fixing member.

Detailed Description

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

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, 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 "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply 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 embodiment provides a locking mechanism, and locking mechanism fixes on the battery bracket, installs the battery box on the battery bracket, and locking mechanism is used for fixing the battery box on the battery bracket.

As shown in fig. 1, this locking mechanism includes base 100, actuating mechanism, tilting mechanism and anti-disengaging mechanism, base 100 fixes on the battery tray, actuating mechanism, tilting mechanism and anti-disengaging mechanism all set up on base 100, actuating mechanism includes driving piece 210, driving piece 210 fixes on base 100, driving piece 210's output 220 is connected with tilting mechanism, tilting mechanism includes clamping jaw 310, output 220 with can drive tilting mechanism clockwise rotation, and then tilting mechanism's clamping jaw 310 can compress tightly the inner wall of battery box, thereby fix the battery box on the battery tray, anti-disengaging mechanism is connected with tilting mechanism, anti-disengaging mechanism can exert pulling force to tilting mechanism, in order to prevent that tilting mechanism pine from taking off. Through the setting of anticreep mechanism for tilting mechanism can be when driving piece 210 can't provide thrust for tilting mechanism's clamping jaw 310, remains throughout to the state that compresses tightly of battery box inner wall, and locking mechanism's reliability is higher, thereby guarantees that the battery box can not take off from the battery bracket, guarantees driver and passenger's life safety, and the security performance is good.

Optionally, the base 100 in this embodiment has a first fixing hole 101, and a first fixing member (not shown) is disposed in the first fixing hole 101, so that the base 100 can be fixed on the battery bracket by the first fixing member. Exemplarily, a screw or a bolt can be selected for the first fixing piece, the locking mechanism is fixed in a detachable mode, a worker can replace the damaged locking mechanism conveniently, and the waste of resources caused by the scrapping of the whole battery bracket due to the damage of a certain locking mechanism can be avoided. Of course, in other embodiments, the first fixing element may also be another workpiece, which is not limited in this embodiment.

Preferably, a rubber pad 311 is further disposed on the end surface of the clamping jaw 310 of the turnover mechanism in this embodiment. Through the setting of rubber pad 311, improved clamping jaw 310 and the frictional force between the inner wall of battery box to fix the battery box on the battery tray more firmly, the difficult condition that takes place the pine and take off, and rubber pad 311 can also play the effect of protection battery box, avoid the inner wall of clamping jaw 310 wearing and tearing battery box.

Referring to fig. 2 and 3, the anti-slip mechanism in this embodiment includes a first base 410, an elastic member 420, and a connecting member 430, the first base 410 is fixed on the base 100, one end of the elastic member 420 is fixed on the first base 410, the other end of the elastic member 420 is connected with one end of the connecting member 430, and the other end of the connecting member 430 is fixedly connected with the turnover mechanism. After clamping jaw 310 of tilting mechanism compresses tightly the inner wall of battery box, elastic component 420 is in tensile state, and elastic component 420 can exert one to clamping jaw 310 and resist clamping jaw 310 anticlockwise pivoted power this moment for clamping jaw 310 can firmly press down the inner wall of battery box, and locking mechanism remains the locking state throughout, thereby guarantees that the battery box is difficult for deviating from the battery bracket, and the security performance is good.

In some embodiments, the elastic member 420 may be provided as a spring, and both ends of the spring are provided with hooks, and accordingly, openings are provided in the first base 410 and the connection, and the hooks provided at both ends of the spring are respectively fixed in the openings of the first base 410 and the connection. The anti-falling mechanism can effectively avoid the risk that the locking mechanism is opened, and has the advantages of simple structure, lower cost and high economic benefit.

Optionally, the turnover mechanism in this embodiment includes a second base 320 and a connecting rod assembly, the connecting rod assembly includes a push rod 330 and a rotating rod 340, illustratively, the push rod 330 is configured as a U-shape, the rotating rod 340 is disposed in a middle position of the U-shaped push rod 330, the second base 320 is fixed on the base 100, a rear end of the push rod 330 is connected to the output end 220, a front end of the push rod 330 is rotatably connected to one end of the rotating rod 340 through a first rotating shaft 301, another end of the rotating rod 340 is rotatably connected to a middle portion of the clamping jaw 310 through a second rotating shaft 302, and an end portion of the clamping jaw 310 is rotatably connected to the second base 320 through a third rotating shaft 303. The output end 220 of the driving member 210 can push the front end of the push rod 330 to rotate clockwise, so as to drive the rotating rod 340 to extrude the middle position of the clamping jaw 310 downwards, and the clamping jaw 310 is fixed at the second base 320, so that one end of the rubber pad 311 arranged on the clamping jaw 310 rotates clockwise around the third rotating shaft 303, thereby enabling one end of the rubber pad 311 arranged on the clamping jaw 310 to compress the inner wall of the battery box, and completing the fixing work of the battery box.

Referring to fig. 1 and 3, the turnover mechanism further includes two rotating plates 350, in this embodiment, the two rotating plates 350 are taken as an example for illustration, the two rotating plates 350 are disposed on two sides of the U-shaped push rod 330, and the front ends of the rotating plates 350 are also rotatably connected to the first rotating shaft 301, the rear ends of the rotating plates 350 are rotatably fixed on the second base 320 through the fourth rotating shaft 304, and the connecting member 430 of the anti-falling mechanism is fixedly connected to the fourth rotating shaft 304, so that the elastic member 420 can apply a pulling force to the first rotating shaft 301 through the rotating plates 350 to ensure the stability of the locking mechanism for fixing the battery box.

The driving mechanism in this embodiment includes a third base 230, the third base 230 is fixed on the base 100, the driving member 210 is rotatably disposed on the third base 230 through a fifth rotating shaft 201, and the output end 220 forms an included angle with the base 100. When the output end 220 of the driving member 210 pushes outwards, the push rod 330 of the turnover mechanism can be driven to rotate clockwise. For example, in some embodiments, the driving member 210 may be an air cylinder, and the output end 220 of the driving member 210 is an air cylinder rod, and the air cylinder rod is fixedly connected to the push rod 330 of the turnover mechanism.

Alternatively, second fixing holes are provided in ends of first rotating shaft 301, second rotating shaft 302, third rotating shaft 303, fourth rotating shaft 304, and fifth rotating shaft 201, and second fixing pieces 500 are provided in the second fixing holes. Second fixing member 500 in the present embodiment is formed by pins inserted into second fixing holes, thereby fixing first rotating shaft 301, second rotating shaft 302, third rotating shaft 303, fourth rotating shaft 304, and fifth rotating shaft 201. Of course, in other embodiments, other workpieces can be used as the second fixing element 500, which is not limited in this embodiment.

The embodiment provides a locking mechanism assembly, including locking mechanism and battery carrier in above-mentioned scheme, locking mechanism sets up on the battery carrier, and locking mechanism can be used for fixed battery box. Because foretell locking mechanism is equipped with anti-disengaging mechanism to guaranteed that locking mechanism can continuously be in the locking state when the heavy truck jolts or special operating mode such as cylinder die-off, the fixed respond well of battery box, the reliability of locking mechanism assembly is higher, and the security performance is good.

The embodiment also provides a heavy truck which comprises the locking mechanism assembly, wherein the battery bracket of the locking mechanism assembly is fixed on the heavy truck, and the locking mechanism of the locking mechanism assembly is used for fixing the battery box on the battery bracket, so that the locking mechanism assembly completes the connection work of the battery box and the heavy truck. This heavily block can still guarantee the locking state to the battery box when locking mechanism's cylinder cuts off the gas supply, the difficult condition that takes place the pine and take off of battery box, and locking structure's reliability is higher, has guaranteed navigating mate's safety.

The method comprises the following specific working steps:

when the driving part 210 normally works, the output end 220 of the driving part 210 provides a pushing force to the push rod 330 of the turnover mechanism, the push rod 330 drives the rotating rod 340 to rotate, and then the clamping jaw 310 is tightly pressed on the inner wall of the battery box, at this time, the first rotating shaft 301 is positioned at the right side of the second rotating shaft 302, the first rotating shaft 301 is positioned at a dead point position, the position of the clamping jaw 310 is limited and cannot move, the locking mechanism keeps locked, only when the cylinder applies a counterclockwise pulling force to the push rod 330, the first rotating shaft 301 can pass through the dead point position, and the locking mechanism is unlocked;

when the driving member 210 has a problem and cannot provide pushing force to the push rod 330 of the turnover mechanism, the elastic member 420 of the anti-slip mechanism can also provide enough pulling force to the first rotating shaft 301 through the rotating plate 350 to ensure that the first rotating shaft 301 does not cross the dead point position, thereby ensuring the locking state of the locking mechanism.

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. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a locking mechanism fixes on the battery bracket, install the battery box on the battery bracket, locking mechanism will the battery box is fixed on the battery bracket, its characterized in that, locking mechanism includes:

a base (100), said base (100) being secured to said battery carrier;

a drive mechanism, the drive mechanism comprising a drive member (210), the drive member (210) being fixed to the base (100), the drive member (210) comprising an output end (220);

the turnover mechanism is arranged on the base (100) and comprises a clamping jaw (310), the output end (220) is connected with the turnover mechanism, and the output end (220) drives the clamping jaw (310) of the turnover mechanism to tightly press the inner wall of the battery box; and

the anti-falling mechanism is arranged on the base (100), and is connected with the turnover mechanism and capable of exerting pulling force on the turnover mechanism so as to prevent the turnover mechanism from being loosened.

2. The locking mechanism of claim 1, wherein the anti-releasing mechanism comprises a first base (410), an elastic member (420) and a connecting member (430), the first base (410) is fixed on the base (100), one end of the elastic member (420) is fixed on the first base (410), the other end of the elastic member (420) is connected with one end of the connecting member (430), and the other end of the connecting member (430) is fixedly connected with the tilting mechanism.

3. The locking mechanism of claim 2, wherein the resilient member (420) is provided as a spring.

4. The locking mechanism of claim 2, wherein the turnover mechanism comprises a second base (320) and a connecting rod assembly, the connecting rod assembly comprises a push rod (330) and a rotating rod (340), the second base (320) is fixed on the base (100), the rear end of the push rod (330) is connected with the output end (220), the front end of the push rod (330) is rotatably connected with one end of the rotating rod (340) through a first rotating shaft (301), the other end of the rotating rod (340) is rotatably connected with the middle part of the clamping jaw (310) through a second rotating shaft (302), and the end part of the clamping jaw (310) is rotatably connected with the second base (320) through a third rotating shaft (303).

5. The locking mechanism of claim 4, wherein the tilting mechanism further comprises a rotating plate (350), a front end of the rotating plate (350) is rotatably connected to the first rotating shaft (301), a rear end of the rotating plate (350) is rotatably connected to the second base (320) through a fourth rotating shaft (304), and the connecting member (430) is fixedly connected to the fourth rotating shaft (304).

6. The locking mechanism of claim 1, wherein the driving mechanism comprises a third base (230), the third base (230) is fixed on the base (100), the driving member (210) is rotatably disposed on the third base (230) via a fifth rotating shaft (201), and the output end (220) is disposed at an angle to the base (100).

7. The locking mechanism of claim 6, wherein the driving member (210) is a cylinder and the output (220) is a cylinder ram.

8. The locking mechanism of claim 6, wherein the clamping jaw (310) is provided with a rubber pad (311).

9. A locking mechanism assembly, comprising a locking mechanism as claimed in any one of claims 1 to 8 and a battery carrier on which the locking mechanism is disposed.

10. A heavy truck characterized in that it comprises a locking mechanism assembly as claimed in claim 9 for connecting a battery box to said heavy truck.