JPH10152864A - Canopy structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance the comfortability of a canopy structure. SOLUTION: A canopy structure is composed of a right wall part 14 planted on one side of a seat laid on an upper swivel body 9, a rear wall part 15 planted on the back side of the seat so as to be continuous to the right side wall part 14, and a canopy body 17 positioned just above the seat and continuing to the right wall part 14 and the rear wall part 15. A frame-like transparent panels support frame 25 is fitted in an opening formed in the rear wall part 15, for holding transparent panels 23, 24 therein, so as to enable one of the transparent panel 24 to be supported openable/closable. Thereby it is possible to selectively carry out prevention of entry of the ambient air and rain water from the inside of the canopy structure from the rear side of the latter, and the entry of the air into the inside of the canopy structure from the rear side of the latter.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a canopy structure.

[0002]

2. Description of the Related Art In a working machine such as a hydraulic excavator, a canopy structure is provided in order to protect a driver sitting on a seat installed on an upper swing body from wind and rain.

FIG. 7 shows an example of a conventional canopy structure. The canopy structure includes a support frame 1 fixed to an upper rotating body (not shown) of a working machine and a support frame 1 attached to the support frame 1. And a canopy main body 3.

[0004] The support frame 1 extends substantially vertically and has a lower end portion bolted to the upper revolving structure so as to be located on the right front side of a seat (not shown) installed on the upper revolving structure. A front beam portion 1b extending to the left of the upper revolving structure following the upper end portion of the front column portion 1a; Rear pillar 1c bolted to upper revolving structure
A rear beam 1d extending to the left of the upper revolving structure following the upper end of the rear column portion 1c; And a beam part 1e.

[0005] The side wall portion 2 has a bucket for excavation and separates the seat mounted on the upper revolving unit from an attachment mounted on the upper revolving unit so as to be able to undulate on the right side thereof. The front edge of the side wall 2 is bolted to the front column 1a of the support frame 1, and the rear edge of the side wall 2 is connected to the rear column of the support frame 1. It is bolted to the portion 1c.

The side wall 2 is provided with an opening for the operator of the working machine to check the side, and a transparent plate 4 made of tempered glass or acrylic is inserted into the opening. Is embedded.

The canopy main body 3 is located immediately above the seat and is arranged so as to cover a portion closer to the left side from the center of the upper swing body from above. Bolts are fastened to the beams 1b, 1d, 1e.

Further, an intermediate member 5 for fitting the two members is interposed between the lower left edge of the canopy main body 3 and the upper edge of the side wall portion 2. The side wall portion 2 and the canopy main body 3 are connected to each other while keeping the weather tight.

Further, the canopy main body 3 is provided with an opening for an operator of the working machine to check upward, and the opening is provided with a transparent plate 6 made of tempered glass or acrylic.
Is filled.

[0010]

However, in the canopy structure shown in FIG. 7, since the rear portion of the canopy structure is open, wind and rain easily blow in from the rear side of the seat, and the comfort is not good.

The present invention has been made in view of the above circumstances, and has as its object to improve the livability of a canopy structure.

[0012]

In order to achieve the above object, in the canopy structure according to the first aspect of the present invention, the canopy structure is erected on one side of a seat installed on an upper revolving structure of a working machine, and A side wall extending in the front-rear direction of the upper revolving unit,
A rear wall portion erected on the back side of the seat so as to be connected to the side wall portion and extending in the left-right direction of the upper revolving structure; and a position located immediately above the seat and connected to the side wall portion and the rear wall portion. An opening penetrating the back wall in the front-rear direction of the upper revolving structure, at least one of the plurality of transparent plates can be moved, and the opening is closed by all the transparent plates. Attached to the rear wall so that it can be

According to a second aspect of the present invention, there is provided a canopy structure, wherein a side wall portion is provided on one side of a seat provided on an upper swing body of a work machine and extends in the front-rear direction of the upper swing body. A rear wall standing upright on the back side of the seat so as to be continuous with the side wall and extending in the left-right direction of the upper revolving unit; and a side wall and a rear wall located immediately above the seat and directly above the seat. A continuous canopy main body is provided, an opening is formed in the rear wall portion to penetrate in the front-rear direction of the upper revolving structure, and a frame-shaped transparent plate supporting frame is inserted into the opening, and a plurality of transparent plates are inserted into the transparent plate supporting frame. At least one plate is supported so that it can be opened and closed.

In the canopy structure according to the first aspect of the present invention, the opening of the rear wall portion is closed by all the transparent plates,
The communication between the inside of the canopy structure and the outside at the rear wall is blocked, and the invasion of outside air and rainwater from the rear side of the canopy structure into the canopy structure is suppressed.

Further, by moving at least one transparent plate, the inside and outside of the canopy structure communicate with each other at the rear wall, and outside air is introduced into the canopy structure from the rear side of the canopy structure. .

In the canopy structure according to the second aspect of the present invention, the openable and closable transparent plate is closed to block communication between the inside of the canopy structure and the outside at the rear wall portion, and the rear side of the canopy structure is provided. From the outside to the inside of the canopy structure.

Further, by opening the openable and closable transparent plate, the inside of the canopy structure communicates with the outside at the rear wall, so that outside air can be introduced into the canopy structure from the rear side of the canopy structure. Aim.

[0018]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 to 6 show an embodiment of a canopy structure according to the present invention. An ultra-small turning type working machine to which the canopy structure is applied is a crawler having an endless right and left end. The vehicle includes a lower traveling body 8 on which a shoe 7 is mounted, and an upper revolving body 9 rotatably mounted above the lower traveling body 8.

At the front of the lower traveling body 8, an earth removal plate 10 is attached so as to be able to move up and down. On the right side of the upper surface of the upper rotating body 9, an offset type attachment having an excavation bucket (shown in FIG. ) Is mounted so that it can be raised and lowered.

A seat 11 for a driver to sit on is provided on the upper revolving structure 9 at a position near the left side of the upper surface, and an operation stand 13 having a plurality of operation levers 12 is provided on a front upper surface of the upper revolving structure 9. It is erected so as to be located in front of the seat 11.

The canopy structure includes a right wall portion 14 extending in the front-rear direction of an upper revolving structure 9 erected on the right side of the seat 11 so as to separate the attachment from the seat 11.
A rear wall 15 erected on the upper swing body 9 so as to be continuous with the right wall 14 and positioned on the back side of the seat 11;
A left wall portion 16 standing upright on the upper revolving structure 9 so as to be integrated with the rear wall portion 15 and located near a portion near the left rear end of the seat 11; The canopy body 17 is provided so as to cover the right wall portion 14, the rear wall portion 15, and the left wall portion 16 so as to cover a portion closer to the left side from the center of the revolving structure 9 from above.

The right wall 14, the rear wall 15, and the left wall 1
6. The canopy body 17 is designed such that each of these members has a predetermined rigidity, and the right wall portion 14, the rear wall portion 15, and the left wall portion 16 are bolted to the upper rotating body 9. The canopy body 17 may be fastened to the right wall portion 14, the rear wall portion 15, and the left wall portion 16 by bolts. Alternatively, as in the conventional canopy structure shown in FIG. The support frame may be fixed to the upper swing body 9 and the right wall portion 14, the rear wall portion 15, the left wall portion 16, and the canopy body 17 may be bolted to the support frame.

The right wall portion 14 is provided with an opening for the operator of the working machine to check the side.
A transparent plate 18 made of tempered glass or acrylic is inserted.

The means for attaching the transparent plate 18 to the right wall portion 14 includes a substantially H-shaped cross section and the transparent plate 1
An H-shaped sealing member 19 made of synthetic rubber is used to hold the entire circumference near the outer edge and the entire circumference near the inner edge of the opening of the right wall portion 8 in the member thickness direction.

The right side surface of the right wall portion 14, that is,
A protection rod 20 for preventing the transparent plate 18 from being damaged is attached to the outer surface of the canopy structure.

The rear wall portion 15 and the left wall portion 16 are integrally provided with an opening 21 for the operator of the working machine to check the rear side, and the opening 21 is made of tempered glass or acrylic. It can be closed by the transparent plates 22, 23, 24.

The transparent plates 22, 23, 24 are attached to the rear wall 1
5 and the means for attaching to the left wall 16 include the rear wall 1
5 and a frame-shaped transparent plate support frame 25 that is fitted into the opening 21 of the left wall portion 16 and supports each of the transparent plates 22, 23, 24, and a transparent plate support frame 25 that has a substantially H-shaped cross section. And an H-shaped sealing member 26 made of synthetic rubber, which clamps the entire circumference near the outer edge of the member and the entire circumference near the inner edge of the opening 21 of both walls 15 and 16 in the member thickness direction.

At the outer edge of the transparent plate support frame 25, H
A flange 27 into which the U-shaped seal member 26 fits is formed over the entire circumference, and two grooves 28 and 29 are formed over the entire circumference at the inner edge of the transparent plate support frame 25.

Further, flat seal members 30 and 31 made of hard sponge are laid on the inner bottoms of the grooves 28 and 29, respectively.

The transparent plate support frame 25 is manufactured in a state of being divided into an upper frame structure 25a and a lower frame structure 25b. For example, as shown in FIG.
They are fastened to each other via a contact 25c and a bolt 25d.

The transparent plate 22 is located on the left end side of the transparent plate support frame 25 in the groove 28 on the outer side of the canopy structure of the transparent plate support frame 25, and the outer edge left portion, the outer edge upper portion and the lower portion are flat. It is inserted so as to be supported by the seal member 30.

The transparent plate 23 is inserted into the groove 28 such that the transparent plate 23 is located at the center of the transparent plate support frame 25 and the upper and lower portions of the outer edge are supported by the plate-shaped seal member 30. .

The left side of the outer edge of the transparent plate 23 and the right side of the outer edge of the transparent plate 22 are adhered to each other so as to maintain the weather tightness, whereby the transparent plates 22, 23 are supported by the transparent plate. It is fixed to the frame 25.

In order to discharge the rainwater that has entered the groove 28, a drain hole 32 penetrating from the groove 28 to the outside is formed on the lower side of the lower frame structure 25b constituting the transparent plate support frame 25. I have.

The transparent plate 24 is inserted into a groove 29 of the transparent plate support frame 25 on the inner side of the canopy structure so as to be able to move laterally between the right end side and the central portion of the transparent plate support frame 25 and at the outer edge upper side. The part and the lower part are inserted so as to be supported by the plate-shaped seal member 31.

That is, when the transparent plate 24 is pulled toward the center of the transparent plate support frame 25, the inside of the canopy structure communicates with the outside, and the outside air from the rear side of the canopy structure toward the inside of the canopy structure at the rear wall portion 15. When the transparent plate 24 is drawn toward the right end of the transparent plate support frame 25, the communication between the inside and the outside of the canopy structure in the rear wall portion 15 is interrupted, and the canopy structure from the rear side of the canopy structure. Intrusion of outside air and rainwater into the body is suppressed.

On the surface of the transparent plate 24 located inside the canopy structure, a key 33 for closing and a key 3 for opening are provided.
When the transparent plate 24 is drawn to the right end of the transparent plate support frame 25, the closing fixing key 33 is attached to the rear wall portion 15 of the transparent plate support frame 25.
And a transparent fixing plate (not shown) attached to the right end of the inner side of the canopy structure so that the transparent plate 24 is fixed in an open state. In the state of being pulled toward the center of the transparent plate 23, the open fixing key 34 is fitted to the open fixing key holder 35 attached to the surface of the transparent plate 23 on the inner side of the canopy structure, and the transparent plate 24 is fixed in the closed state. It is supposed to be.

In order to more effectively prevent rainwater from entering, the transparent plate 23
A rainwater intrusion prevention seal member 37 slidably abutting on a surface of the transparent plate 24 on the outer side of the canopy structure is attached via a bracket 36 fitted to the outside.

In mounting these transparent plates 22, 23, 24 on the transparent plate support frame 25, the left connecting portions of the upper frame member 25a and the lower frame member 25b are connected to each other by a metal 25c and a bolt 25d. After fastening, the plate-like sealing members 30 and 31 are laid in the grooves 28 and 29, and the transparent plates 22, 23 and 24 are filled in the grooves 28 and 29, and the transparent plate 24 is moved to the center of the transparent plate support frame 25. In the pulled state, the right connecting portions of the upper frame component 25a and the lower frame component 25b are
c, mutually fastened by bolts 25d.

Therefore, the work of mounting the transparent plates 22, 23, 24 on the transparent plate support frame 25 can be easily performed, and the transparent plates 22, 23 can be bonded to each other in advance, or the transparent plate 22, , 23 can be integrally formed.

Further, the canopy main body 17 is provided with an opening for the operator of the working machine to check upwards.
The opening is filled with a transparent plate 38 of tempered glass or acrylic or the like.

The means for attaching the transparent plate 38 to the canopy main body 17 includes a member having a substantially H-shaped cross-section and having a member thickness of the entire circumference near the outer edge of the transparent plate 38 and the entire inner circumference of the opening of the canopy body 17. An H-shaped sealing member 39 made of synthetic rubber and held in the direction is used.

At the upper part of the canopy main body 17, there is provided a convex portion 40 integrally connected from the vicinity of the front edge to the vicinity of the rear edge through the vicinity of the left edge, and the portion surrounded by the protrusion 40 is: It is configured such that rainwater hardly flows to the left side of the canopy structure where the driver enters and exits, with a downward slope from the left side to the right side.

In FIGS. 1 and 2, reference numeral 41 denotes a cover. The cover 41 is attached to the upper swing body 9 so as to take in the lower rear half and the lower right half of the canopy structure.

A notch 42 is provided in a portion near the front end of the cover 41 so that the attachment pivotally supported by the upper swing body 9 can be raised and lowered.

The operation of the canopy structure shown in FIGS. 1 to 6 will be described below.

At the time of low temperature strong wind or rainy weather, the transparent plate 24 is drawn to the right end of the transparent plate support frame 25,
The communication between the inside of the canopy structure and the outside at the rear wall portion 15 is cut off, and the invasion of outside air and rainwater from the rear side of the canopy structure into the inside of the canopy structure is suppressed.

Also, in the event of high temperature and weak wind, the transparent plate 24 is drawn toward the center of the transparent plate support frame 25,
In this case, the inside of the canopy structure is communicated with the outside, and outside air is introduced into the inside of the canopy structure from the rear side of the canopy structure.

As described above, in the canopy structure shown in FIGS. 1 to 6, outside air and rainwater can be suppressed from entering the canopy structure from the rear side of the canopy structure.
Since outside air can be introduced into the interior of the canopy structure from the rear side of the canopy structure, the livability of the canopy structure can be improved.

It should be noted that the canopy structure of the present invention is not limited to only the above-described embodiment, and various changes can be made without departing from the scope of the present invention.

[0052]

As described above, the canopy structure of the present invention can provide various excellent effects as described below.

(1) In the canopy structure according to the first aspect of the present invention, at least one of the plurality of transparent plates can be moved on the rear wall and the opening can be closed by all the transparent plates. So that the prevention of outside air and rainwater from entering the interior of the canopy structure from the rear side of the canopy structure and the introduction of outside air from the rear side of the canopy structure into the interior of the canopy structure are selectively performed. It is possible,
It becomes possible to improve the livability of the canopy structure.

(2) In the canopy structure according to the second aspect of the present invention, a plurality of transparent plates are supported by the transparent plate supporting frame inserted into the opening of the rear wall so that at least one of the transparent plates can be opened and closed. Therefore, it is possible to selectively perform the prevention of outside air and rainwater from entering the inside of the canopy structure from the rear side of the canopy structure and the introduction of outside air into the canopy structure from the rear side of the canopy structure. It is possible to improve the livability of the canopy structure.

[Brief description of the drawings]

FIG. 1 is a perspective view of a working machine to which an example of an embodiment of a canopy structure of the present invention is applied, as viewed from a right rear side.

FIG. 2 is a perspective view of a working machine to which the example of the embodiment of the canopy structure of the present invention is applied, viewed from the left front side.

FIG. 3 is a partially cutaway rear view of the canopy structure of the present invention.

4 is a view taken in the direction of arrows IV-IV in FIG. 3;

FIG. 5 is a view taken in the direction of arrows VV in FIG. 3;

FIG. 6 is a partially enlarged view showing a connection structure of the transparent plate support frame shown in FIG. 3;

FIG. 7 is a perspective view of a component of an example of a conventional canopy structure as viewed from the left front.

[Explanation of symbols]

 9 Upper revolving body 11 Seat 14 Right wall (side wall) 15 Rear wall 17 Canopy body 21 Opening 22, 23, 24 Transparent plate 25 Transparent plate support frame

Claims (2)

[Claims] 1. A side wall standing upright on one side of a seat installed on an upper swing body of a work machine and extending in the front-rear direction of the upper swing body, and a back surface of the seat connected to the side wall. A rear wall portion erected on the side and extending in the left-right direction of the upper revolving structure, and a canopy body located immediately above the seat and connected to the side wall portion and the rear wall portion, and the upper wall is pivoted on the rear wall portion An opening penetrating the body in the front-rear direction is provided, and a plurality of transparent plates are attached to the rear wall portion so that at least one of the transparent plates can be moved and the opening can be closed by all the transparent plates. Characteristic canopy structure. 2. A side wall standing upright on one side of a seat installed on an upper swing body of a work machine and extending in the front-rear direction of the upper swing body, and a back surface of the seat connected to the side wall. A rear wall portion erected on the side and extending in the left-right direction of the upper revolving structure, and a canopy body located immediately above the seat and connected to the side wall portion and the rear wall portion, and the upper wall is pivoted on the rear wall portion An opening penetrating in the front-back direction of the body was formed, a frame-shaped transparent plate supporting frame was inserted into the opening, and the transparent plate supporting frame supported a plurality of transparent plates so that at least one transparent plate could be opened and closed. A canopy structure characterized in that: