JP2012210858A - Handrail structure of industrial vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a handrail structure of an industrial vehicle which can be used in another use while having an original function as a handrail.SOLUTION: In the handrail structure of a forklift, the handrail 4 is constituted of a handrail body 40 and first and second connecting parts 41, 42 connected to a front pillar 23 of a vehicle body. The handrail body 40 is formed into an S-shape by integrally connecting a downwardly convex first bent part 40a and an upwardly convex second bent part 40b by a joint 40j.

Description

  The present invention relates to a handrail structure for an industrial vehicle such as a forklift, and more particularly to an improvement in a structure for ensuring the original function of the handrail and making it usable for other applications.

  In industrial vehicles, various types of handrail structures have been proposed as a handrail structure for an operator to grip and support the body when getting on and off (refer to Design Registration No. 1225032 and Design Registration No. 1225033). ).

  In the one described in the design registration No. 1225033, it is used only as a handrail, and in the one shown in the design registration No. 1225032, in addition to the function as a handrail, the support portion of the side mirror is slightly used. It is only a function added, and it cannot be said that the handrail is fully utilized in addition to the original function of the handrail.

  On the other hand, in a work site, an operator often attaches a magnet or a clip to a handrail and hooks or hangs a helmet or an umbrella on the handrail. However, in this case, the handrail is used to hold the object using a simple holder, and there is a risk that the held object may come off or fall during travel.

  Thus, the conventional handrail has only a function as a handrail, and there is a demand in the industry for the appearance of a handrail that can be used for other purposes besides the original use of the handrail.

  The present invention has been made in view of such a conventional situation, and the problem to be solved by the present invention is to provide a handrail structure for an industrial vehicle that can be used for other purposes while having the original function of a handrail. It is to provide.

  The handrail structure for an industrial vehicle according to the invention of claim 1 includes a handrail main body and a connecting portion for connecting the handrail main body to the vehicle main body of the industrial vehicle. The handrail main body portion is configured by integrally connecting a first convex portion having a downward convex shape and a second bent portion having an upward convex shape.

  In this case, not only can the handrail main body be used as a handrail, but also an umbrella, a slip, etc. can be hooked on the first convex bent portion, and a helmet can be hung on the second convex bent portion. Thus, the handrail main body can be used for other purposes.

  According to a second aspect of the present invention, in the first aspect, the first and second bent portions are disposed in the same plane.

  In invention of Claim 3, in Claim 1, the said handrail structure is comprised by planar view triangle shape.

  In this case, space saving of the whole handrail structure is possible.

  According to a fourth aspect of the present invention, in the first aspect, the handrail structure is configured in an S shape or an inverted S shape.

  According to a fifth aspect of the present invention, in the first aspect, the first bent portion is disposed in the first plane, and the second bent portion is disposed in the second plane intersecting the first plane. Has been.

  In this case, the handrail structure can be disposed along the outer periphery of the column of the vehicle body (for example, a front pillar in the case of a forklift) to which the connecting portion is connected, so that further space saving can be achieved.

  In the invention of claim 6, in claim 5, the first bent portion has a first connecting portion, the second bent portion has a second connecting portion, and the first connecting portion has It is connected with the 1st surface of the support | pillar of a vehicle main body, and the 2nd connection part is connected with the 2nd surface which cross | intersects the 1st surface in a support | pillar.

  In the invention of claim 7, in claim 1, the industrial vehicle is a forklift.

  As described above, according to the handrail structure for an industrial vehicle according to the present invention, the handrail main body is configured such that the first convex portion having the lower convex shape and the second bent portion having the upper convex shape are continuously provided. Since the handrail main body can be used as a handrail, an umbrella, a slip, etc. can be hooked on the first convex bent portion, or a helmet can be hung on the second convex bent portion. By doing so, the handrail main body can be used for other purposes.

1 is a schematic side view of a forklift that employs a handrail structure according to a first embodiment of the present invention. It is an enlarged view of the handrail structure (FIG. 1). FIG. 3 is a plan view of FIG. 2. FIG. 4 is a sectional view taken along line AA in FIG. 3. FIG. 4 is a sectional view taken along line BB in FIG. 3. It is an enlarged view of the handrail structure by 2nd Example of this invention. FIG. 5 is a plan view of FIG. 4. It is the sectional view on the AA line of FIG. FIG. 6 is a sectional view taken along line B-B in FIG. 5. FIG. 6 is an enlarged view of a handrail structure according to a third embodiment of the present invention, and is a view taken in the direction of arrow A in FIG. 6B. It is an enlarged view of the handrail structure by 3rd Example of this invention, Comprising: It is the B arrow line view of FIG. 6A.

Embodiments of the present invention will be described below with reference to the accompanying drawings.
Here, an example in which the present invention is applied to a forklift will be described.
[First embodiment]
FIG. 1 shows a forklift employing a handrail structure according to an embodiment of the present invention. In the figure, a forklift 1 has a vehicle body 2 including a body frame 20 and a driver's seat 21 and the like, and a work device 3 having a fork claw 3 a provided on the front side of the vehicle body 2. A head guard 22 is provided above the driver's seat 21 to guard the operator's head. The head guard 22 is supported by a front pillar 23 on the front end side and a rear pillar 24 on the rear end side. . The front pillar 23 is provided with a handrail (handrail) 4.

  As shown in FIG. 2, the handrail 4 includes first and second connecting portions 41 and 42 that are arranged at intervals in the vertical direction along the front pillar 23 and are connected to the front pillar 23, respectively. It is comprised from the handrail main-body part 40 arrange | positioned between the connection parts 41 and 42 at S shape.

  The handrail main body 40 has a first convex portion 40a having a downward convex shape and a second curved portion 40b having an upward convex shape, and the first and second bent portions 40a and 40b are connected to each other. The joint portion 40c is integrally connected (see FIGS. 3A and 3B). The other end of the first bent portion 40a is connected to a hanging portion 40e that is hung downward from the tip of the first connecting portion 41, and the other end of the second bent portion 40b is It is connected with the extended part 40f extended upwards from the front-end | tip of the 2 connection part 42. As shown in FIG. In this example, the S-shaped handrail main body 40 is disposed in the same plane extending in the front-rear direction of the vehicle.

  As shown in FIG. 3, the first and second connecting portions 41 and 42 are arranged in directions that cross each other when viewed from above. Therefore, in this example, the handrail 4 is configured in a triangular shape in plan view.

  Thus, since the handrail main body portion 40 of the handrail 4 is provided with the first convex bent portion 40a and the second convex bent portion 40b, the handrail main body portion 40 is simply used as a handrail. The handrail main body portion can be obtained by hooking an umbrella handle or a slip on the first convex portion 40a having a downward convex shape (see FIG. 2) or by suspending a helmet on the second convex portion 40b having an upward convex shape. 40 can be used for other purposes. Further, in this case, since the handrail 4 is configured in a triangular shape in plan view, the space of the entire handrail can be saved. In addition, as a planar view shape of the handrail 4, shapes other than a triangle may be sufficient.

[Second Embodiment]
In the said 1st Example, although the handrail main-body part showed the example comprised by S shape, the application of this invention is not limited to this, The handrail main-body part is comprised by reverse S-shape. Also good.

  4 to 5B show a handrail structure according to a second embodiment of the present invention. In these drawings, the same reference numerals as those in the first embodiment denote the same or equivalent parts.

  As shown in FIG. 4, the handrail 4 includes first and second connecting portions 41 and 42 that are arranged along the front pillar 23 at intervals in the vertical direction and are respectively connected to the front pillar 23. It is comprised from the handrail main-body part 40 arrange | positioned between the connection parts 41 and 42 at reverse S-shape.

  The handrail main body 40 has a first convex portion 40a having a downward convex shape and a second curved portion 40b having an upward convex shape, and the first and second bent portions 40a and 40b are connected to each other. It is integrally connected by the joint part 40c (refer FIG. 5A and FIG. 5B). The other end of the first bent portion 40a is connected to a hanging portion 40e that is hung downward from the tip of the first connecting portion 41, and the other end of the second bent portion 40b is It is connected with the extended part 40f extended upwards from the front-end | tip of the 2 connection part 42. As shown in FIG. In this example, the inverted S-shaped handrail main body 40 is disposed in the same plane extending in the front-rear direction of the vehicle.

  As shown in FIG. 5, the first and second connecting portions 41 and 42 are disposed so as to intersect each other when viewed from above, and the handrail 4 is configured in a triangular shape in plan view. Yes.

  Also in this case, as in the first embodiment, the handrail main body 40 of the handrail 4 is provided with the first convex bent portion 40a and the second convex bent portion 40b. The main body 40 is not only used as a handrail, but also an umbrella handle or a slip is hung on the first convex bent portion 40a or a helmet is hung on the second convex bent portion 40b. Thus, the handrail main body 40 can be used for other purposes. Further, in this case, since the handrail 4 is configured in a triangular shape in plan view, the space of the entire handrail can be saved. In addition, as a planar view shape of the handrail 4, shapes other than a triangle may be sufficient.

[Third embodiment]
In the first and second embodiments, the example in which the S-shaped or inverted S-shaped handrail main body 40 is disposed in the same plane is shown, but the application of the present invention is not limited to this.

  6A and 6B show a handrail structure according to a third embodiment of the present invention. In these drawings, the same reference numerals as those in the first and second embodiments denote the same or equivalent parts.

  As shown in FIGS. 6A and 6B, in the third embodiment, the first connecting portion 41 is connected to the first surface 23a of the front pillar 23 of the forklift and the second connecting portion 42 is connected to the front. The pillar 23 is connected to a second surface 23b orthogonal to the first surface 23a. That is, in this case, the first and second connecting portions 41 and 42 of the handrail 4 are connected to the adjacent surfaces 23 a and 23 b of the rectangular front pillar 23.

  The downwardly convex first bent portion 40a, the joint portion 40j, and the hanging portion 40e of the handrail main body 40 are disposed in a first plane extending in the front-rear direction of the vehicle. The convex second bent portion 40b, the joint portion 40j, and the extending portion 40f are disposed in a second plane extending in the vehicle width direction. These first and second planes are orthogonal to each other.

  Also in this case, as in the first and second embodiments, the handrail main body 40 of the handrail 4 is provided with the first bent portion 40a having a downward convex shape and the second bent portion 40b having an upward convex shape. Therefore, not only the handrail main body 40 is used as a handrail, but also an umbrella handle or a slip is hooked on the first convex bent portion 40a, or a helmet is put on the second convex bent portion 40b. The handrail main body 40 can be used for other purposes by hanging. In addition, in this case, since the handrail 4 can be disposed along the outer peripheral surface of the front pillar 23, further space saving is possible.

  In the third embodiment, the first surface 23a to which the first connecting portion 41 is connected and the second surface 23b to which the second connecting portion 42 are connected are not necessarily orthogonal to each other. It does not need to be, and may simply intersect at an acute angle or an obtuse angle. Even in this case, since the handrail 4 can be disposed along the first and second surfaces 23a and 23b, the space can be saved similarly.

[Other application examples]
In each of the above-described embodiments, an example in which the handrail structure according to the present invention is applied to a forklift is shown, but the present invention can be similarly applied to an industrial vehicle other than a forklift.

  As described above, the present invention is useful for industrial vehicles such as forklifts, and is particularly suitable for those requiring various uses for handrail structures.

1: Forklift (industrial vehicle)

2: Vehicle body 23: Front pillar (post)
23a: first surface 23b: second surface

4: Handrail 40: Handrail main body portion 40a: First bent portion 40b: Second bent portion 41: First connecting portion 42: Second connecting portion

Design Registration No. 1225032 Design Registration No. 1225033

Claims (7)

An industrial vehicle handrail structure,
A handrail main body, and a connecting portion for connecting the handrail main body to a vehicle main body of the industrial vehicle,
The handrail main body portion is configured by integrally connecting a first convex portion having a downward convex shape and a second bent portion having an upward convex shape,
A handrail structure for an industrial vehicle. In claim 1,
The first and second bent portions are disposed in the same plane;
A handrail structure for an industrial vehicle. In claim 1,
The handrail structure is configured in a triangular shape in plan view,
A handrail structure for an industrial vehicle. In claim 1,
The handrail main body is configured in an S shape or an inverted S shape,
A handrail structure for an industrial vehicle. In claim 1,
The first bent portion is disposed in a first plane, and the second bent portion is disposed in a second plane intersecting the first plane;
A handrail structure for an industrial vehicle. In claim 5,
The first bent portion has a first connecting portion, the second bent portion has a second connecting portion, and the first connecting portion is a first surface of a column of a vehicle body. And the second connecting portion is connected to a second surface intersecting the first surface in the support column,
A handrail structure for an industrial vehicle. In claim 1,
The industrial vehicle is a forklift,
A handrail structure for an industrial vehicle.

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