CN215921947U

CN215921947U - Locking mechanism of battery box of battery replacement weight card and battery replacement weight card

Info

Publication number: CN215921947U
Application number: CN202122307199.0U
Authority: CN
Inventors: 商艳春; 史建辉; 黄生航
Original assignee: Hunan Xingbida Netlink Technology Co Ltd
Current assignee: Hunan Xingbida Netlink Technology Co Ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-03-01
Anticipated expiration: 2031-09-23

Abstract

The utility model provides a locking mechanism of a battery box of a power change heavy truck, which is used for connecting a frame and the battery box; the locking mechanism of the battery box of the battery replacement weight card comprises a locking assembly; the locking assembly includes: latch hook, linear drive spare and mount, the latch hook includes: the hook comprises a hook block, an upper hinge bracket fixed above the hook block and a lower hinge bracket fixed below the hook block, wherein the hook block is provided with a hook groove; the fixing frame comprises a support plate and a horizontal frame fixedly connected with the lower part of the support plate, the upper part of the support plate is hinged with the cylinder barrel, and the lower end of the lower hinged frame is hinged with the horizontal frame; the locking mechanism of the battery box of the battery replacement weight card also comprises a locking block matched with the hook block; the utility model also provides a battery replacement weight card which comprises a frame, a battery box and the locking mechanism of the battery box of the battery replacement weight card. Compared with the prior art, the locking mechanism of the battery box of the battery replacement weight truck is arranged on the frame, has simple structure, convenient installation and lower cost, and can meet the battery replacement requirement of a battery replacement vehicle.

Description

Locking mechanism of battery box of battery replacement weight card and battery replacement weight card

Technical Field

The utility model relates to the technical field of new energy vehicles, in particular to a locking mechanism of a battery box of a battery replacement weight truck and the battery replacement weight truck.

Background

In recent years, new energy vehicles that rely on power batteries as driving energy have been developed very rapidly, but in the field of heavy trucks, because of the large amount of electricity used and the long battery charging time, heavy trucks of the power change type are in large numbers. In the battery replacement type heavy truck, it is necessary to fix the battery box to the heavy truck by using a locking mechanism, and when the battery replacement is necessary, it is necessary to release the fixation of the battery box by using the locking mechanism.

In the prior art, chinese patent CN110920461A discloses a heavy truck battery-changing side-inserted locking mechanism, which includes a cylinder, a locking pin connecting mechanism, a locking pin, and a locking main body; the push rod top pushing end of the air cylinder is connected with one end of the locking pin connecting mechanism, the other end of the locking pin connecting mechanism is connected with the locking pin, a locking hole matched with the locking pin in shape and size is formed in the locking main body, and the locking pin is inserted into the locking hole through the locking pin connecting mechanism in a top pushing mode under the action of the air cylinder.

The side-inserted locking mechanism in the prior art has the defects that the structure is complex, various precise bushings are required to be matched with the locking pin to move back and forth, the purchasing cost of the various bushings is high, and the maintenance is difficult.

SUMMERY OF THE UTILITY MODEL

The utility model provides a locking assembly, which is used for solving the defects of complex structure and high cost of a heavy truck battery-replacing side-inserting type locking mechanism in the prior art.

The utility model provides a locking mechanism of a battery box of a battery replacement weight truck, which is used for connecting a frame and the battery box; the locking mechanism of the battery box of the battery replacement weight card comprises a locking assembly and a locking block arranged on the battery box; the locking assembly includes:

a latch hook, the latch hook comprising: the hook comprises a hook block, an upper hinge bracket fixed above the hook block and a lower hinge bracket fixed below the hook block, wherein the hook block is provided with a hook groove;

the linear driving piece comprises a cylinder barrel and a cylinder rod connected with the cylinder barrel in a sliding mode, and one end, far away from the cylinder barrel, of the cylinder rod is hinged to the top end of the upper hinge frame;

the fixing frame comprises a support plate and a horizontal frame fixedly connected with the lower part of the support plate, the upper part of the support plate is hinged with the cylinder barrel, and the lower end of the lower hinged frame is hinged with the horizontal frame;

the locking assembly has a locked state and an unlocked state, when the locking assembly is in the locked state; the hook block is buckled with the locking block; when the locking assembly is in an open state, the hook block is separated from the locking block.

According to the locking mechanism of the battery box of the power conversion weight truck, the support plates comprise two support plates respectively arranged on two sides of the cylinder barrel, and the lower ends of the two support plates are respectively fixed on two sides of the horizontal frame.

According to the locking mechanism of the battery box for the replacement weight truck, the lower hinged frame comprises two hinged frame plates which are oppositely arranged, the upper ends of the two hinged frame plates are fixedly connected with the hook block, and the lower ends of the two hinged frame plates are hinged with the horizontal frame through a pin shaft.

According to the locking mechanism of the battery box of the power change weight truck, the whole support plate is in a triangular plate shape with the rounded corners, and the support plate is provided with the lightening holes penetrating through the support plate.

According to the locking mechanism of the battery box of the battery replacement weight card, provided by the utility model, the locking block comprises a locking protrusion and mounting lugs respectively fixed at two ends of the locking protrusion, and the mounting lugs are provided with mounting holes penetrating through the mounting lugs.

According to the locking mechanism of the battery box of the power conversion heavy truck, the battery box comprises a bottom frame which is integrally rectangular in frame shape, the number of the locking blocks is multiple, the locking blocks are arranged on two long edges of the bottom frame at intervals, the number of the locking assemblies is consistent with the number of the locking blocks, and the locking assemblies and the locking blocks are arranged in a one-to-one correspondence mode.

According to the locking mechanism of the battery box of the battery replacement weight card, when the locking assemblies are in a locking state, a plurality of sets of the locking assemblies are accommodated in the battery box.

According to the locking mechanism of the battery box of the replacement weight card, provided by the utility model, the matching surface of the locking block and the hook block is an inclined surface, and one side of the inclined surface, which is close to the linear driving piece, is higher than one side of the inclined surface, which is far away from the linear driving piece.

According to the locking mechanism of the battery box for the replacement weight truck provided by the utility model, the locking mechanism of the battery box for the replacement weight truck further comprises four limiting blocks fixed on the frame, and every two of the four limiting blocks are in group and respectively abutted against the outer side surfaces of two long edges of the bottom frame.

The utility model also provides a battery replacement weight card which comprises a frame, a battery box and the locking mechanism of the battery box of the battery replacement weight card.

Compared with the prior art, the locking mechanism of the battery box of the battery replacement weight truck is arranged on the frame, has simple structure, convenient installation and lower cost, and can meet the battery replacement requirement of a battery replacement vehicle.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a perspective view of a locking assembly in a locking mechanism of a battery box of a change weight truck according to the present invention in one orientation;

FIG. 2 is a perspective view of the locking assembly of the locking mechanism of the battery box of the current swapping truck in another orientation;

fig. 3 is a first front view (locked state) of a locking assembly in the locking mechanism of the battery box of the replacement weight truck provided by the utility model;

fig. 4 is a second front view (opened state) of the locking assembly in the locking mechanism of the battery box of the replacement weight truck provided by the utility model;

FIG. 5 is a schematic structural diagram of a locking mechanism of a battery box of a replacement weight truck according to the present invention;

fig. 6 is a partially enlarged view of a portion a in fig. 5.

Reference numerals:

1: a latch hook; 2: a linear drive; 3: a fixed mount;

4: a pin shaft; 11: hooking the block; 12: an upper hinge bracket;

13: a lower hinge frame; 21: a cylinder barrel; 22: a cylinder rod;

31: a mounting plate; 32: a horizontal frame; 111: a hook groove;

131: a hinged frame plate; 311: lightening holes; 100: a locking mechanism of a battery box of the battery replacement weight card;

200: a frame; 300: a battery box; 10: a locking assembly;

20: a locking block; 30: a limiting block; 201: a lock projection;

202: mounting lugs; 301: a bottom frame; 302: a top frame;

2021: mounting holes; 3011: a long side; 3021: a battery receiving space.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The following describes a locking mechanism of a battery box of a replacement weight card and the replacement weight card in the utility model with reference to fig. 1 to 6.

The utility model discloses a locking mechanism of a battery box of a replacement weight truck, which is used for connecting a frame 200 and a battery box 300; the locking mechanism of the battery box of the battery replacement weight truck comprises a locking assembly 10; the locking assembly 10 includes: latch hook 1, linear drive spare 2 and mount 3.

The latch hook 1 includes: the hook comprises a hook block 11, an upper hinge bracket 12 fixed above the hook block 11, and a lower hinge bracket 13 fixed below the hook block 11, wherein a hook groove 111 is arranged on the hook block 11.

The linear driving member 2 comprises a cylinder 21 and a cylinder rod 22 slidably connected to the cylinder 21, and one end of the cylinder rod 22 away from the cylinder 21 is hinged to the top end of the upper hinge frame 12.

The fixed frame 3 comprises a support plate 31 and a horizontal frame 32 fixedly connected with the lower part of the support plate 31, the upper part of the support plate 31 is hinged with the cylinder 21, and the lower end of the lower hinged frame 13 is hinged with the horizontal frame 32.

The locking mechanism of the battery box of the replacement weight card further comprises a locking block 20 matched with the hook block 11, and the locking block 20 comprises a locking protrusion 201 matched with the hook groove 111 in shape; the locking block 20 is arranged on the battery box 300, and the horizontal frame 32 is fixedly connected with the frame 200; the locking assembly 10 has a locked condition and an unlocked condition, when the locking assembly 10 is in the locked condition; the hook block 11 is buckled with the locking block 20; when the locking assembly 10 is in the open state, the hook block 11 is separated from the lock block 20.

In the implementation mode, the lock hook 1, the cylinder 21 and the fixing frame 3 jointly form a deformation structure of a four-bar hinge mechanism taking the linear driving piece (2) as a power piece. When the locking assembly 10 is used, the locking assembly is mounted on the frame 200, the linear driving member 2 extends out of the driving locking hook 1 to move, and the battery box 300 can be fixed on the frame 200. When the battery needs to be replaced, the linear driving piece 2 retracts to drive the locking hook 1 to move reversely, and the battery box 300 is released from being fixed. The device has the advantages of simple structure, convenience in installation and lower cost, and can meet the battery replacement requirement of the battery replacement vehicle.

More specifically, the linear actuator 2 is a cylinder or a cylinder. In the preferred scheme, the linear driving part 2 is an air cylinder, after the air cylinder is adopted, a vehicle-mounted air source of the power replacement weight card can be used as a pushing air source of the air cylinder, and the locking hook 1 can be pushed to rotate directly by the vehicle-mounted air source of the power replacement weight card, so that the installation difficulty and the use cost of the locking assembly 10 in the embodiment of the utility model are further reduced.

According to the embodiment of the present invention, the supporting plates 31 include two supporting plates 31 respectively disposed at both sides of the cylinder 21, and lower ends of the two supporting plates 31 are respectively fixed to both sides of the horizontal frame 32. The holder plate 31 is a triangular plate with rounded corners, and the holder plate 31 is provided with lightening holes 311 penetrating through the holder plate. In this embodiment, the two support plates 31 are favorable for stable installation and can reduce the overall weight of the device. The support plate 31 is of a triangular plate-shaped structure, and the support stability is improved. The lightening holes 311 contribute to further achieving lightening.

According to the embodiment of the present invention, the lower hinge frame 13 includes two hinge frame plates 131 oppositely disposed, upper ends of the two hinge frame plates 131 are fixedly connected to the hook block 11, and lower ends of the two hinge frame plates 131 are hinged to the horizontal frame 32 through the pin 4. In this embodiment, the number of the hinge frame plates 131 is two, which is advantageous for achieving stable installation and reducing the overall weight of the device.

According to the embodiment of the present invention, the lock block 20 further includes mounting ears 202 respectively fixed to two ends of the lock protrusion 201, and the mounting ears 202 are provided with mounting holes 2021 penetrating therethrough. In this embodiment, by providing the mounting lug 202 and the mounting hole 2021, the lock block 20 can be detachably fixed to the battery box 300 by a screw connector, which is advantageous for the detachment, maintenance and replacement of the lock block 20.

According to the embodiment of the present invention, the battery box 300 includes a bottom frame 301 having a rectangular frame shape as a whole, the number of the locking blocks 20 is plural, the plurality of locking blocks 20 are arranged at intervals on two long sides 3011 of the bottom frame 301, the number of the locking assemblies 10 is the same as the number of the locking blocks 20, and the locking assemblies 10 and the locking blocks 20 are arranged in a one-to-one correspondence. In this embodiment, through setting up many sets of locking Assembly 10 to every set of locking Assembly 10 corresponds a locking piece 20, can form a plurality of clamping position, improves the reliability of centre gripping, and during the concrete implementation, set of locking Assembly 10 can be four, and two liang of a set of back of the body of four sets of locking Assembly 10 set up, can restrict battery box 300 horizontal migration, further improves the reliability of pressing from both sides tightly.

According to the embodiment of the present invention, when the locking assemblies 10 are in the locked state, a plurality of sets of the locking assemblies 10 are accommodated in the battery box 300. In this embodiment, with this structure, it is not necessary to provide a special space outside the battery box 300 to accommodate the locking assembly 10, which improves the compactness of the structure. And the locking assembly 10 is a moving part, and is accommodated in the battery box 300, and the outer frame of the battery box 300 can play a role of protection, thereby avoiding the moving part from leaking and improving the safety performance of the device.

According to an embodiment of the present invention, the mating surfaces of the locking piece 20 and the hooking piece 11 are inclined surfaces, and a side of the inclined surface close to the linear actuator 2 is higher than a side of the inclined surface far from the linear actuator 2.

According to the specific embodiment of the present invention, the locking mechanism of the battery box of the weight-changing card further includes four limiting blocks 30 fixed on the frame 200, and each two of the four limiting blocks 30 are in a group and respectively abut against the outer side surfaces of the two long sides 3011 of the bottom frame 301. In the present embodiment, stoppers 30 are provided on both sides of long side 3011 of bottom frame 301 opposite to latch hooks 1, and can restrict movement of bottom frame 301 from two opposite directions. Can further guarantee firm centre gripping battery box 300, can deal with and trade the bad road conditions that heavy card probably met in the driving process.

According to an embodiment of the present invention, the battery box 300 further includes a top frame 302 disposed on the top frame 301, and the top frame 302 encloses a battery accommodating space 3021. The battery housing space 3021 is used to house a battery.

The utility model also provides a battery replacement weight card, which comprises a frame 200, a battery box 300 and the locking mechanism of the battery box of the battery replacement weight card.

Compared with the prior art, in the battery replacement heavy truck, the locking mechanism of the battery box of the battery replacement heavy truck is arranged on the frame, the structure is simple, the installation is convenient, the cost is lower, and the battery replacement requirement of a battery replacement vehicle can be met.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The locking mechanism of the battery box of the battery replacement weight card is characterized by comprising a locking assembly (10) and a locking block (20) arranged on the battery box (300); the locking assembly (10) comprises:

a latch hook (1), the latch hook (1) comprising: the hook comprises a hook block (11), an upper hinge bracket (12) fixed above the hook block (11), and a lower hinge bracket (13) fixed below the hook block (11), wherein a hook groove (111) is formed in the hook block (11);

the linear driving piece (2) comprises a cylinder barrel (21) and a cylinder rod (22) connected with the cylinder barrel (21) in a sliding mode, and one end, far away from the cylinder barrel (21), of the cylinder rod (22) is hinged to the top end of the upper hinge frame (12);

the fixing frame (3) comprises a support plate (31) and a horizontal frame (32) fixedly connected with the lower part of the support plate (31), the upper part of the support plate (31) is hinged with the cylinder barrel (21), and the lower end of the lower hinged frame (13) is hinged with the horizontal frame (32);

the locking assembly (10) has a locked state and an unlocked state, when the locking assembly (10) is in the locked state; the hook block (11) is buckled with the locking block (20); when the locking assembly (10) is in an open state, the hook block (11) is separated from the locking block (20).

2. The locking mechanism for a battery box of a replacement weight truck as claimed in claim 1, wherein the support plate (31) comprises two support plates (31) respectively disposed at two sides of the cylinder (21), and lower ends of the two support plates (31) are respectively fixed at two sides of the horizontal frame (32).

3. The locking mechanism for a battery box of a replacement weight truck as claimed in claim 2, wherein the lower hinge frame (13) comprises two hinge frame plates (131) which are oppositely arranged, the upper ends of the two hinge frame plates (131) are fixedly connected with the hook block (11), and the lower ends of the two hinge frame plates (131) are hinged with the horizontal frame (32) through a pin shaft (4).

4. The locking mechanism for a battery box of a replacement weight truck as set forth in claim 2, wherein the bracket plate (31) is a triangular plate with rounded corners as a whole, and the bracket plate (31) is provided with lightening holes (311) penetrating through the bracket plate.

5. The locking mechanism for a battery box of a battery replacement weight card according to claim 3, wherein the locking block (20) comprises a locking protrusion (201) and mounting lugs (202) respectively fixed at two ends of the locking protrusion (201), and the mounting lugs (202) are provided with mounting holes (2021) penetrating through the mounting lugs.

6. The locking mechanism for the battery box of the replaceable power and heavy truck as claimed in claim 5, wherein the battery box (300) comprises a bottom frame (301) which is rectangular in shape as a whole, the number of the locking blocks (20) is multiple, the multiple locking blocks (20) are arranged on two long edges (3011) of the bottom frame (301) at intervals, the number of the locking assemblies (10) is consistent with the number of the locking blocks (20), and the locking assemblies (10) and the locking blocks (20) are arranged in a one-to-one correspondence manner.

7. The locking mechanism for the battery box of the battery replacement weight card as recited in claim 6, wherein when the locking assemblies (10) are in the locking state, a plurality of sets of the locking assemblies (10) are all accommodated in the battery box (300).

8. The locking mechanism for a battery box of a replacement weight card according to claim 7, wherein the matching surfaces of the locking block (20) and the hook block (11) are inclined surfaces, and one side of the inclined surface close to the linear driving member (2) is higher than one side of the inclined surface far away from the linear driving member (2).

9. The locking mechanism for replacing the battery box of the heavy duty truck as claimed in claim 8, further comprising four limiting blocks (30), wherein the four limiting blocks (30) are in a group of two by two and abut against the outer side surfaces of the two long edges (3011) of the bottom frame (301).

10. A replacement weight card, characterized in that the replacement weight card comprises a frame (200), a battery box (300) and a locking mechanism of the battery box of the replacement weight card according to any one of claims 1 to 9.