CN211545852U

CN211545852U - Battery mounting structure of electric forklift

Info

Publication number: CN211545852U
Application number: CN201922340032.7U
Authority: CN
Inventors: 叶青云; 胡刚刚; 林金标
Original assignee: Ningbo Ruyi JSCL
Current assignee: Ningbo Ruyi JSCL
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-09-22
Anticipated expiration: 2029-12-23

Abstract

The utility model provides an electric fork-lift's battery mounting structure belongs to electric fork-lift technical field, include: the front end of the vehicle body is provided with a battery cavity for embedding the storage battery, and the front side wall and the rear side wall of the battery cavity are provided with mounting notches in a penetrating manner; and the micro switch is connected with the vehicle body through the bracket, is positioned in the installation notch, and abuts against the micro switch and triggers the micro switch when the storage battery is attached to the rear wall of the battery cavity. The utility model has the advantages of guarantee that the battery installation targets in place.

Description

Battery mounting structure of electric forklift

Technical Field

The utility model belongs to the technical field of electric fork-lift truck, a electric fork-lift truck's battery mounting structure is related to.

Background

With the continuous development of new energy technology, electric forklifts also come into force. An electric forklift mainly powered by a battery mounted on a vehicle body, for example, a chinese patent with application No. 201710078442.1 discloses a sit-drive type forward forklift, comprising: a vehicle body; the upper end of the vehicle body is provided with an upper cover, the front end of the vehicle body is symmetrically provided with guide rail vehicle legs, the middle part of the vehicle body is provided with a battery bracket, the right side of the rear end is provided with a rear door, and the left side of the rear end is sequentially provided with an accelerator, a foot brake assembly and a foot switch from front to back; the front ends of the guide rail vehicle legs are provided with load wheels; a hydraulic brake is arranged in the load wheel; a lifting system is arranged between the guide rail vehicle legs; the battery bracket is provided with a storage battery; the back door includes: an upper end panel, a left side panel and a rear end panel; a driving system and a hydraulic system are arranged in the rear door on the vehicle body; a seat is arranged on the upper end panel; a steering wheel component and an instrument are sequentially arranged on the left side of the upper cover from back to front; the upper cover is positioned below the instrument and provided with a key switch; the front end of the upper cover is sequentially provided with a headlight switch, a handle combination, an arm supporting pad and an object placing frame from left to right.

Because the electric fork-lift truck has long charging time and is used frequently in a factory, the scheme of replacing the storage battery is adopted in the use process, so that the standby time of the electric fork-lift truck is avoided from being too long. However, when the storage battery of the existing electric forklift is dismounted, mounted and replaced, the storage battery cannot be accurately connected into a power supply system due to the fact that the storage battery is not mounted in place, so that the circuit is unstable, and potential safety hazards are large.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided an electric fork-lift's that guarantees to hold battery installation and target in place battery mounting structure.

The purpose of the utility model can be realized by the following technical proposal: a battery mounting structure of an electric forklift, comprising:

the front end of the vehicle body is provided with a battery cavity for embedding the storage battery, and the front side wall and the rear side wall of the battery cavity are provided with mounting notches in a penetrating manner;

and the micro switch is connected with the vehicle body through the bracket, is positioned in the installation notch, and abuts against the micro switch and triggers the micro switch when the storage battery is attached to the rear wall of the battery cavity.

As a further improvement, still install the flexure strip on the support, the flexure strip is located the micro-gap switch front side and is equipped with the arch that stretches out the installation breach forward, and the battery supports the arch backward and drives the flexure strip and supports micro-gap switch's contact backward.

As a further improvement of the present invention, the mounting notch opening is connected to the left side wall or the right side wall of the battery chamber, and the bracket is connected to the left side wall or the right side wall of the battery chamber.

As a further improvement, the support includes the flat board with lateral wall parallel arrangement behind the battery chamber, flexure strip upper portion links to each other with the flat board, and the flexure strip lower part is equipped with the arch and stretches out the flat board downwards, has first connecting portion along the perpendicular extension backward on flat board left side border or the right border, micro-gap switch links to each other and is located the flexure strip rear side with the laminating of first connecting portion, the flat board has the second connecting portion for another border of first connecting portion is preceding or the perpendicular extension backward, and the second connecting portion links to each other with the left side wall or the laminating of right side wall in battery chamber.

As a further improvement, the first connecting portion has been seted up first slotted hole along the fore-and-aft direction, and the screw passes first slotted hole and links to each other with micro-gap switch.

As a further improvement of the utility model, the upper and lower parallel arrangement of first connecting portion has two first slotted holes.

As a further improvement, the second slotted hole has been seted up along the fore-and-aft direction to the second connecting portion, and the screw passes the left side wall or the right side wall that the second slotted hole and battery chamber link to each other.

As a further improvement of the utility model, the second connecting portion are provided with two second slotted holes in parallel from top to bottom.

As a further improvement of the utility model, the protrusion of the elastic sheet is positioned below the contact of the micro switch.

As a further improvement of the utility model, the protrusion of the elastic sheet is arranged in a ridge shape.

Based on the technical scheme, the embodiment of the utility model provides a can produce following technological effect at least:

1. the rear side wall of the battery cavity is provided with the microswitch, the microswitch is connected in series to a power supply circuit of the electric forklift, and when the storage battery is not installed or is not installed in place, the contact of the microswitch is not triggered and the power supply circuit of the electric forklift is disconnected; when the storage battery is attached to the rear side wall of the battery cavity, the fact that the storage battery is installed in place is indicated, and at the moment, the storage battery simultaneously presses down the micro switch contact to enable a power supply circuit of the electric forklift to be connected, so that safe power supply of the electric forklift is guaranteed, and reliability is good.

2. Through setting up the bellied flexure strip in area for the battery installation supports the flexure strip arch after targetting in place, and the flexure strip supports the micro-gap switch contact again in order to indirectly trigger micro-gap switch, guarantees fully to contact between battery, flexure strip and the micro-gap switch three, avoids the mounted position of erroneous judgement battery, and micro-gap switch life is higher.

3. The installing notch is opened to the left side wall or the right side wall of the battery cavity, and the support is connected with the left side wall or the right side wall of the battery cavity, so that the micro switch and the support can be conveniently disassembled and assembled, and the installation of the storage battery is not influenced.

Drawings

Fig. 1 is a perspective view of a preferred embodiment of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic view of the mounting of the bracket, the elastic sheet and the microswitch.

Fig. 4 is a schematic view of the mounting of the bracket, the elastic sheet and the microswitch at another angle.

In the figure, 100, a vehicle body; 110. a battery cavity; 111. installing a notch;

200. a storage battery;

300. a support; 310. a flat plate; 320. a first connection portion; 321. a first oblong hole; 330. a second connecting portion; 331. a second oblong hole;

400. a microswitch;

500. an elastic sheet; 510. and (4) protruding.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 4, the battery mounting structure of the electric forklift includes a body 100, a battery 200, a bracket 300 and a micro switch 400, a battery cavity 110 for the battery 200 to be embedded is provided at the front end of the body 100, a mounting notch 111 is provided at the front and rear of the rear wall of the battery cavity 110 in a penetrating manner, the micro switch 400 is connected to the body 100 through the bracket 300, the micro switch 400 is located in the mounting notch 111, the battery 200 abuts against the micro switch 400 and triggers the micro switch 400 when being attached to the rear wall of the battery cavity 110, the micro switch 400 is connected in series to a power supply circuit of the electric forklift, and the battery 200 is embedded into the battery cavity 110 in the front and rear direction and is fixed through a battery bracket (not shown).

When the storage battery 200 is not installed or the storage battery 200 is not installed in place, the contact of the microswitch 400 is not triggered and the power supply circuit of the electric forklift is disconnected; when the storage battery 200 is attached to the rear side wall of the battery cavity 110, it indicates that the storage battery 200 is installed in place, and at the moment, the storage battery 200 simultaneously presses down the contact of the microswitch 400 to connect a power supply circuit of the electric forklift, so that the safe power supply of the electric forklift is ensured, and the reliability is good.

Preferably, still install elastic sheet 500 on support 300, elastic sheet 500 is located micro-gap switch 400 front side and is equipped with the arch 510 that stretches out installation breach 111 forward, battery 200 supports protruding 510 backward and drives elastic sheet 500 and supports micro-gap switch 400's contact backward for battery 200 supports elastic sheet 500 protruding 510 after installing in place, elastic sheet 500 supports micro-gap switch 400 contact again and in order to trigger micro-gap switch 400 indirectly, guarantee that battery 200, the contact is abundant between elastic sheet 500 and the micro-gap switch 400 three, avoid the mounted position of erroneous judgement battery 200, and micro-gap switch 400 life is higher.

The protrusion 510 of the elastic sheet 500 is arranged in a ridge shape, so that the elastic sheet 500 is more easily elastically deformed and restored to its original shape while the elastic sheet 500 is fully contacted with the battery 200, and the battery pack is more practical.

In this embodiment, the installation notch 111 is opened at the upper right of the rear side wall of the battery cavity 110, the installation notch 111 is opened to the right side wall of the battery cavity 110, and the bracket 300 is connected to the right side wall of the battery cavity 110, so that the micro switch 400 and the bracket 300 can be conveniently detached and adjusted without affecting the installation of the battery 200.

Specifically, the bracket 300 includes a flat plate 310 disposed parallel to the rear sidewall of the battery cavity 110, an upper portion of the elastic sheet 500 is connected to the flat plate 310, a lower portion of the elastic sheet 500 is provided with a protrusion 510 and extends downward out of the flat plate 310, a first connection portion 320 extends backward and vertically along the left edge of the flat plate 310, the micro switch 400 is attached to the first connection portion 320 and is located at the rear side of the elastic sheet 500, a second connection portion 330 extends forward and vertically along the right edge of the flat plate 310, and the second connection portion 330 is attached to the left sidewall or the right sidewall of the battery cavity 110.

The second connecting portion 330 of the bracket 300 is located between the installation gap between the battery 200 and the right side wall of the battery cavity 110, so that interference does not occur, and when needed, a worker can stretch into the battery to directly adjust the installation position of the bracket 300, and the disassembly and the assembly are convenient.

The second connecting portion 330 can also extend vertically backward along the right edge of the flat plate 310, and accordingly, the bracket 300 needs to be attached to and detached from the back side of the battery cavity 110.

As another embodiment, the installation notch 111 may also be opened at the upper left of the rear sidewall of the battery cavity 110, and correspondingly, the installation notch 111 is opened to the left sidewall of the battery cavity 110, the first connection portion 320 vertically extends backwards along the right edge of the flat plate 310, the second connection portion 330 vertically extends forwards along the left edge of the flat plate 310, and the second connection portion 330 is attached and fixedly connected to the left sidewall of the battery cavity 110.

It is worth mentioning that the protrusion 510 of the elastic sheet 500 is located below the contact of the micro switch 400, so that the elastic sheet 500 needs to generate a certain elastic deformation amount before triggering the micro switch 400, thereby avoiding false triggering caused by shaking and other reasons, and having better reliability.

In order to facilitate the adjustment of the relative position between the micro switch 400 and the bracket 300, the first connecting portion 320 is provided with a first oblong hole 321 along the front-back direction, and a screw passes through the first oblong hole 321 to be connected with the micro switch 400, that is, when the screw is unscrewed, the micro switch 400 can slide back and forth relative to the bracket 300. The first connecting portion 320 is provided with two first oblong holes 321 in an up-down parallel manner, so that the microswitch 400 is more reliably mounted.

Similarly, in order to facilitate the adjustment of the relative position between the bracket 300 and the vehicle body 100, the second connecting portion 330 is provided with a second oblong hole 331 along the front-rear direction, and the screw passes through the second oblong hole 331 to be connected to the left side wall or the right side wall of the battery cavity 110. Two second long round holes 331 are arranged in the second connecting portion 330 in an up-down parallel manner, so that the bracket 300 is more reliably mounted.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides an electric fork-lift's battery mounting structure which characterized in that includes:

2. The battery mounting structure of an electric forklift according to claim 1, wherein: the support is also provided with an elastic sheet which is positioned on the front side of the microswitch and is provided with a bulge extending forwards out of the installation notch, and the storage battery is pressed backwards against the bulge and drives the elastic sheet to press backwards against a contact of the microswitch.

3. The battery mounting structure of an electric forklift according to claim 2, wherein: the mounting notch is opened to the left side wall or the right side wall of the battery cavity, and the support is connected with the left side wall or the right side wall of the battery cavity.

4. The battery mounting structure of an electric forklift according to claim 3, wherein: the support includes the flat board with battery chamber rear side wall parallel arrangement, flexure strip upper portion links to each other with the flat board, and the flexure strip lower part is equipped with the arch and stretches out the flat board downwards, has first connecting portion along the perpendicular extension backward on flat board left side border or the right border, micro-gap switch links to each other and is located the flexure strip rear side with the laminating of first connecting portion, the flat board has the second connecting portion for another border of first connecting portion is preceding or the perpendicular extension backward, and the second connecting portion links to each other with the left side wall or the laminating of right side wall in battery chamber.

5. The battery mounting structure of an electric forklift according to claim 4, wherein: first slotted holes are formed in the first connecting portion in the front-back direction, and screws penetrate through the first slotted holes to be connected with the micro switches.

6. The battery mounting structure of an electric forklift according to claim 5, wherein: two first oblong holes are arranged in the first connecting portion in an up-and-down parallel mode.

7. The battery mounting structure of an electric forklift according to claim 4, wherein: and a second long round hole is formed in the second connecting part in the front-back direction, and the screw penetrates through the second long round hole to be connected with the left side wall or the right side wall of the battery cavity.

8. The battery mounting structure of an electric forklift according to claim 7, wherein: and two second long round holes are arranged in the second connecting part in parallel up and down.

9. The battery mounting structure of an electric forklift according to claim 4, wherein: the bulge of the elastic sheet is positioned below the microswitch contact.

10. The battery mounting structure of an electric forklift according to claim 2, wherein: the bulges of the elastic pieces are arranged in a ridge shape.