JP2018202970A - Working vehicle - Google Patents

Abstract

To prevent water from coming into contact with a connection terminal of a battery.SOLUTION: A working vehicle comprises: a battery 25 of which top face 25A is provided with connection terminals 35 to which electric wires are connected; and a cover 36 which covers the battery 25 from above, with the cover 36 being configured in such a manner that an elastic member 39 is interposed in the outer periphery of the top face 25A at a position where the wires pass so as to prevent entry of water while allowing passing of the wires, and being provided with reinforcement ribs which form a space for the wires to pass between themselves and the top face and prevent entry of water toward the connection terminals 35.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a work vehicle equipped with a battery.

  Conventionally, the battery is mounted on a support base at a location on the side of the vehicle body between the front wheel and the rear wheel, and is supported in a fixed position by rod-shaped connecting members provided on the left and right sides. (For example, refer to Patent Document 1).

JP 2017-13686 A

  In the above conventional configuration, the battery is supported by a simple support structure so that maintenance work such as inspection and replacement of the battery can be easily performed. In the above conventional configuration, the connection terminal for power extraction provided on the upper surface of the battery is exposed to the outside, but in this type of work vehicle, for example, muddy water, rainwater, etc. May fall over the battery. As a result, there is a disadvantage that the connection terminal corrodes early.

  Therefore, it has been desired to prevent moisture from adhering to the connection terminal of the battery.

The characteristic configuration of the work vehicle according to the present invention is:
A battery having a connection terminal to which an electric wire is connected to the upper surface;
A cover for covering the upper side of the battery,
The cover is
In the wiring passage portion where the electric wire passes through the outer periphery of the upper surface, the elastic member is interposed so as to prevent the penetration of moisture while allowing the electric wire to pass therethrough, and the upper surface between the upper surface and the upper surface In addition to forming a passage space through which the electric wire passes, reinforcing ribs are provided to prevent moisture from entering the connection terminal.

  According to the present invention, the upper part of the battery is covered with the cover. By covering the outer periphery of the upper surface of the battery, the cover can prevent muddy water or rainwater from falling from the outside. In the wiring passage portion through which the electric wire passes on the outer periphery of the upper surface, the intrusion of moisture is prevented while minimizing the gap generated by the passage of the wiring by using the elastic force of the elastic member.

  A space for passing the electric wire is required between the cover and the upper surface of the battery, but the passage for the electric wire to pass through effectively using the reinforcing rib that prevents the cover from being deformed. A space for use can be formed, and moisture can be prevented from entering the connection terminal.

  Therefore, it is possible to prevent moisture from adhering to the connection terminal of the battery, and to reduce the risk that the connection terminal will corrode early.

  In the present invention, it is preferable that an inclined surface having a lower position on the outer peripheral side is formed on the upper outer surface of the cover.

  According to this configuration, since an inclined surface is formed on the upper outer surface of the cover, even when muddy water or rainwater falls, the muddy water or rainwater does not stay on the upper surface of the cover and stays on the inclined surface. It is guided to flow down along and is easily discharged outward from the outer periphery of the cover.

In the present invention, a support base for mounting and supporting the battery,
A pressing member that extends along one side of the outer peripheral edge of the upper surface of the battery supported by the support base and acts to engage with a corner portion of the one side;
In both sides in the longitudinal direction of the one side, a connecting member that extends along the diagonal direction across the support base and the presser member and connects the support base and the presser member is provided,
It is preferable that the cover is connected to the pressing member.

  According to this configuration, the battery is mounted on the support base, and the support base in a fixed state is connected by connecting the presser member and the support base that are locked to a corner portion on one side of the upper surface by the pair of connection members. Is supported. And a cover is connected and fixed to a pressing member.

  Therefore, the cover can be fixed without using any special member by effectively utilizing the battery support structure.

1 is an overall side view of a multipurpose vehicle. 1 is an overall plan view of a multipurpose vehicle. It is a disassembled perspective view which shows a battery support structure. It is a top view which shows a battery support structure. It is a notch side view which shows a battery support structure. It is a front view which shows a battery support structure. It is a perspective view which shows the back side of a battery cover. It is a perspective view which shows the front side of a battery cover.

Hereinafter, an example of an embodiment according to the work vehicle of the present invention will be described with reference to the drawings.
In the description of the present embodiment, the front-rear direction and the left-right direction are described as follows unless otherwise specified. That is, the direction indicated by the arrow F in FIGS. 1 and 2 is “front”, the direction indicated by the arrow B in FIGS. 1 and 2 is “rear”, the direction indicated by the arrow R in FIG. 2 is “right”, and the arrow L in FIG. The direction indicated by is “left”.

〔overall structure〕
1 and 2 show a multipurpose vehicle as an example of a work vehicle. This multi-purpose vehicle is a vehicle that is used for multi-purpose applications such as cargo transportation and recreation. The multipurpose vehicle is provided with a pair of left and right front wheels 1 that can be steered and driven, and a pair of right and left rear wheels 2 that can be driven. A driving unit 3 is provided at the front and rear center of the vehicle body. A loading platform 4 is provided behind the operation unit 3. A driving portion 5 is provided below the loading platform 4. A bonnet 6 that can be opened and closed is provided in front of the driving unit 3. An engine cooling radiator 8 and the like are disposed in the space inside the bonnet 6.

  The driver 3 is provided with a driver seat 9 on which a driver sits, an auxiliary seat 10 on which a passenger can sit, a steering wheel 11 for performing a steering operation, and a gear shifting operation. The shift lever 12 is provided. The steering wheel 11 and the speed change lever 12 are disposed on a driving panel 13 positioned in front of the driver seat 9.

  The loading platform 4 is configured to be switchable between a loading state in which a load can be placed and a dumping state in which the load can be discharged. The loading platform 4 can be put into a dumping state in which the front end portion is raised by swinging around the left and right axis and the load can be discharged from the rear end side. The state change of the loading platform 4 can be performed, for example, by driving a hydraulic actuator.

  As shown in FIGS. 1 and 2, the prime mover 5 includes a water-cooled gasoline engine 14 (hereinafter referred to as an engine), a transmission case 16 that houses a belt-type continuously variable transmission mechanism 15, and a gear-type transmission mechanism 17. A mission case 18 or the like for housing is provided.

  As shown in FIG. 1, the engine 14 is arranged so that the crankshaft is along the left-right direction of the vehicle body and the cylinder head 19 is in an obliquely rearward inclined posture. The engine 14 is configured as a two-cylinder type. The transmission case 16 is connected and supported on the side of the engine 14 and the transmission case 18. The transmission case 18 is connected and supported on the rear side of the engine 14.

  The engine 14, the transmission case 18, etc. are supported by the body frame 20. Although not described in detail, the vehicle body frame 20 is configured in a frame shape including a plurality of frame bodies extending in the front-rear direction and a plurality of frame bodies extending in the lateral direction.

  A protection frame 21 that surrounds and protects the driving unit 3 is provided around the driving unit 3. The protective frame 21 includes a pair of left and right side-view inverted U-shaped upper frames 22, a pair of left and right U-shaped lower frames 23, a connecting member 24 that connects the upper frame 22 and the lower frame 23, and the like. It has been. The upper frame 22 and the lower frame 23 are each made of a cylindrical frame material. The protective frame 21 is connected to the vehicle body frame 20.

[Battery support structure]
As shown in FIG. 1, a battery 25 is provided on the left side of the front / rear intermediate portion between the front wheel 1 and the rear wheel 2. The battery 25 is fixedly supported while being placed on the support base 26. The support base 26 is supported by being connected to the vehicle body frame 20 on the inner side of the vehicle body and connected to the lower frame 23 on the outer side of the vehicle body. As shown in FIG. 3, the support base 26 includes a bottom surface portion 26 </ b> A for mounting and supporting the battery 25, and a horizontal wall that is provided in an oblique posture so that the upper edge is along the lower frame 23 and covers the left outer side of the battery 25. 26B, a front wall portion 26C that covers the front side of the battery 25, and the like.

  As shown in FIGS. 1, 3, and 5, the battery 25 is fixed to the support base 26 by a holding member 30 and a rod-like connecting rod 31 as a pair of connecting members while being placed on the support base 26. . As shown in FIGS. 3 and 5, the holding member 30 is made of a plate body having an L-shaped cross section, extends in the left-right direction along one side of the rear side of the outer peripheral edge of the upper surface 25 </ b> A of the battery 25, and On the other hand, it is provided in a state of locking from the outside. The connecting rod 31 extends along the diagonal direction across the support base 26 and the pressing member 30 at both sides in the longitudinal direction of one side of the rear side.

  The locking portion 31d formed at the end of the connecting rod 31 on the support base 26 side is hooked and locked to the locked portion 32 formed on the support base 26, and the connecting rod 31 on the side of the pressing member on which the screw portion is formed. At the end, a wing nut 33 is attached to a place where the presser member 30 is inserted. The battery 25 is fixed by tightening the wing nut 33 and pressing the battery 25 between the pressing member 30 and the front wall portion 26C of the support base 26. When the wing nut 33 is loosened and the connecting rod 31 is removed, the battery 25 can be removed from the support base 26. The upper surface 25A of the battery 25 is provided with a pair of connection terminals 35 to which an electric wire 34 for extracting electric power to the outside is connected.

[Battery cover]
A cover 36 covering the upper surface 25A of the battery 25 is provided. The cover 36 forms a gap with the upper surface 25A of the battery 25 to secure a region through which the electric wire 34 can pass, and closes the outer peripheral portion of the upper surface 25A of the battery 25 so that muddy water, rainwater, etc. Is configured to prevent intrusion.

  That is, as shown in FIGS. 3, 6, and 7, the other side of the outer periphery of the upper surface 25 </ b> A of the battery 25 other than the one side 25 </ b> A <b> 1, that is, each side on the left and right sides and the rear side, A vertical surface portion formed on the periphery of the battery is in contact with the outer periphery of the upper surface 25A of the battery 25 so as to be closed.

  As shown in FIG. 6, one side 25 </ b> A <b> 1 on the front side of the outer periphery of the upper surface 25 </ b> A of the battery 25 is set as a wiring passage location Q through which the electric wire 34 passes. When the explanation is added, the wire 34 connected to the connection terminal 35 (positive electrode) on one side (the vehicle body right side) passes through the front side portion of the cover 36 corresponding to one side of the front side as the wiring passage location Q. A first passage location Q1 and a second passage location Q2 through which the wire 34 connected to the connection terminal 35 (negative electrode) on the other side (the left side of the vehicle body) passes are formed. A recessed portion 37 is formed between the first passage location Q1 and the second passage location Q2 to close the space between the upper surface 25A of the battery 25.

  A support stay 38 is provided at a position corresponding to the one side 25A1 on the front side of the battery 25 to form a horizontal plane portion that is continuous with the upper surface in a state of protruding from the front surface of the battery 25 to the front side. The front side portion of the cover 36 is closed in a state of facing the horizontal surface portion 38 a of the support stay 38. At this time, the locations corresponding to the first passage location Q1 and the second passage location Q2 are closed with the elastic member 39 made of a sponge material or the like interposed therebetween. Where the electric wire 34 passes, the elastic member 39 is elastically deformed to allow passage of the electric wire 34. Therefore, in the wiring passage portion Q through which the electric wire 34 passes on the outer periphery of the upper surface 25A, the elastic member 39 is interposed so as to prevent moisture from entering while allowing the electric wire 34 to pass therethrough. The support stay 38 is fixed together with a holding member 46 for holding the battery 25 to the front wall portion 26C of the support base 26 with bolts.

  On the inner surface side of the cover 36, a passage space T through which the electric wire 34 passes is formed between the upper surface 25 </ b> A of the battery 25 and a reinforcing rib 40 that prevents moisture from entering the connection terminal 35 is provided. It has been.

  As shown in FIG. 7, the reinforcing ribs 40 are a pair of left and right front-rear partitions that extend in the front-rear direction so as to form a passage space T that extends from the location where the left and right connection terminals 35 are located to the wiring passage location Q. A portion 40a is provided. In addition, the reinforcing rib 40 includes a pair of left and right partition portions 40b that partition a portion where the left and right connection terminals 35 are located and a rear region. Further, the reinforcing ribs 40 are a pair of left and right front and rear facing partition portions 40a, a reinforcing portion 40c that connects the pair of left and right facing partition portions 40b, and a rear portion that reinforces the rear side of the rear side front and rear facing partition portion 40a. A side reinforcing portion 40d and the like are provided.

  By forming the reinforcing rib 40 in this way, it is possible to secure a wiring passage location Q through which the electric wire 34 passes with sufficient strength so as to reduce the risk of deformation and the like, and the reinforcing rib 40 is used. Thus, it is possible to prevent moisture from entering the connection terminal 35.

  As shown in FIG. 8, an inclined surface 41 is formed on the upper outer surface of the cover 36 so as to be lower on the outer peripheral side. That is, an inclined surface 41 that is inclined toward the upper side toward the front from one side of the rear side is located at the lower side of the outer periphery of the upper surface 25A of the battery 25 at the rear side portion of the cover 36. Is formed. The inclined surface 41 is formed in a smooth curved shape.

  The rear side portion of the cover 36 is likely to receive muddy water due to the splashing of muddy water by the rear wheel 2. And can prevent adhesion and deposition.

  The cover 36 is bolted to a presser member 30 for fixing the battery 25. As shown in FIG. 8, bolt insertion holes 43 are formed at positions separated on the left and right sides at a position close to the rear side of the left and right partitioning portion 40 b located on the rear side. As shown in FIGS. 3, 4, and 5, a bracket 44 is fixed at a position corresponding to the bolt insertion hole 43 in the pressing member 30. The connecting bolt 45 is mounted from above through the bolt insertion hole 43 and the connecting bolt 45 is fastened to the bracket 44 so that the cover 36 is connected.

[Another embodiment]
(1) In the above embodiment, the cover 36 is connected to the presser member 30. However, instead of this structure, the cover 36 extends from the structure connected to the support base 26 or the vehicle body frame 20. It can implement with various forms, such as a structure supported by a dedicated support member.

(2) In the above embodiment, the inclined surface 41 is formed on the upper outer surface of the cover 36 so as to be lower on the outer peripheral side. Instead, the upper outer surface is formed as a flat surface over the entire area. It may be a thing.

(3) In the above embodiment, the power source provided with the gasoline engine 14 is shown. However, instead of this configuration, a configuration including a diesel engine may be used, or a configuration using both the engine and the electric motor for traveling may be used. Alternatively, a configuration including only an electric motor may be used.

(4) In the above-described embodiment, a configuration in which two people can get on the driving unit is possible, but a configuration in which three or more people can get on is also possible.

  The present invention can be applied to a work vehicle equipped with a battery.

25 battery 25A upper surface 25A1 one side 26 support base 30 pressing member 31 connecting member
34 Electric wire 35 Connection terminal 36 Cover 39 Elastic member 40 Reinforcement rib 41 Inclined surface

Claims (3)

A battery having a connection terminal to which an electric wire is connected to the upper surface;
A cover for covering the upper side of the battery,
The cover is
In the wiring passage portion where the electric wire passes through the outer periphery of the upper surface, the elastic member is interposed so as to prevent the penetration of moisture while allowing the electric wire to pass therethrough, and the upper surface between the upper surface and the upper surface A work vehicle provided with a reinforcing rib that forms a passage space through which an electric wire passes and prevents moisture from entering the connection terminal.   2. The work vehicle according to claim 1, wherein an inclined surface is formed on the upper outer surface of the cover so as to be lower on the outer peripheral side. A support for placing and supporting the battery;
A pressing member that extends along one side of the outer peripheral edge of the upper surface of the battery supported by the support base and acts to engage with a corner portion of the one side;
In both sides in the longitudinal direction of the one side, a connecting member that extends along the diagonal direction across the support base and the presser member and connects the support base and the presser member is provided,
The work vehicle according to claim 1, wherein the cover is connected to the presser member.

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