JPH0522301Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention relates to a moving device for a power sprayer equipped with equipment such as a pump for delivering liquid such as a chemical solution and an engine for driving the pump. The present invention relates to a moving device that is advantageous for moving and positioning a sprayer.

[Conventional technology]

A set power sprayer, which is a type of power sprayer, is equipped with a pump that delivers liquid such as a chemical solution, an engine that drives this pump, and equipment such as a reel for winding up a spray hose, and is movable on wheels. ing.

A conventional moving device for a set power sprayer is as follows.

(a) Wheels are arranged on one side of the front and back of the frame,
A handle is attached to the other side, and when moving the set power sprayer, the operator grasps the handle, lifts the handle side so that the wheels are on the ground, and manually pushes and pulls the set power sprayer through the handle. Move the machine. (Example: Japanese Utility Model Publication No. 63-189365) (b) The wheels are attached to the front, rear, left and right sides of the frame, partially or completely protruding downward from the frame so that they are always in contact with the ground, and Move the sprayer by pushing or pulling it by hand.

[The problem that the idea aims to solve]

With the moving device (a), it is necessary to tilt the set power sprayer and move it, and a large force is required to lift and lower the handle side of the set power sprayer at the start and end of movement.
In addition, moving the set power sprayer 10 while holding the set power sprayer in an inclined state requires the weight of the set power sprayer to be partially supported, resulting in heavy labor for women, the elderly, etc. Become.

Although the moving device (b) reduces the labor required for movement, it is inconvenient because the set power sprayer easily moves when stationary.

An object of the present invention is to provide a moving device for a power sprayer that can reduce the labor required for moving and also ensure stability when stationary.

The object of the invention of claims 2 and 3 is to provide a preferred embodiment of the invention of claim 1.

[Means to solve the problem]

This invention will be explained using reference numerals in the drawings that correspond to the embodiments.

The moving device for the power sprayer 10 according to claim 1 has the following (a)
or (b).

(a) A frame member 12 on which equipment is mounted; (b) A handle 14 attached to the frame member 12 so as to be displaceable between a use position and a storage position; (c) A handle 14 attached to the frame member 12 so as to be displaceable between a use position and a storage position; A plurality of wheels 30, 38, 38b are attached to the front and rear of the handle, respectively, and are movable between the protruding position and the retracted position. The handle 14 and the wheels 30, 3 are adjusted to the position and storage position.
8, 38b, the connecting mechanism 18, 24,
26, 32, 40, 42, 44, 46, 48,
50, 52 In the moving device for the power sprayer 10 of claim 2, the connecting mechanisms 18, 24, 26, 32, 40, 42, 4
4, 46, 48, 50, 52 transmit the swing of the handle 14 to the wheels 30, 38.
A plurality of links 18, 24, 26, which swing the
32.

In the moving device for the power sprayer 10 according to claim 3, the connecting mechanisms 18, 24, 26, 32, 40, 42, 4
Reference numerals 4, 46, 48, 50, and 52 denote a handle rotating body 40 that is attached to the base end of the handle 14 and rotates as the handle 14 swings, and a bracket 46 that pivotally supports the wheels 30 and 38b at the tip. ，
48, the wheel rotating bodies 42, 44 which are attached to the base ends of the brackets 46, 48 and rotate as the brackets 46, 48 swing, the handle rotating body 40 and the wheel rotating bodies 42, 44. It is provided with flexible sections 50 and 52 that are hung and transmit rotation between the two.

[Effect]

In the invention of claim 1, when the power sprayer 10 is stationary, the handle 14 is in the retracted position. As a result, the front and rear wheels 30, 38, 38b are in the retracted retracted position and are not in contact with the ground. Therefore, the power sprayer 10 has wheels 30,
The wheels 30, are grounded at parts other than 38, 38b,
Movement due to rotation of 38, 38b is prevented.

When moving the power sprayer 10, the handle 14 is in the use position. As a result, the front and rear wheels 3
0, 38, 38b are protruding positions,
Becomes grounded. Therefore, by manually pushing or pulling the power sprayer 10 through the handle 14, the front and rear wheels 30, 38, 38b run on the road surface, and the power sprayer 10 moves.

In the invention of claim 2, a plurality of links 18, 2
4, 26, and 32 interlock the wheels 30, 38 with the handle 14 so that the wheels 30, 38 swing between the protruding position and the retracted position in response to the swing of the handle 14. As a result, the wheels 30 and 38 are in the protruding position and the retracted position at the use position and the retracted position of the handle 14, and are in the grounded and non-grounded states, respectively.

In the third aspect of the present invention, the handle rotating body 40 rotates as the handle 14 swings as the handle 14 is switched between the use position and the storage position. The wheel rotating bodies 42 and 44 are transmitted with the rotation of the handle rotating body 40 via the flexible joints 50 and 52,
The brackets 46 and 48 rotate integrally with the wheel rotating bodies 42 and 44, and the wheel 3 on the tip side rotates.
0, 38b to the protruding position and the retracted position. Thereby, the wheels 30, 38, 38b are in the protruding position and the retracted position in the use position and the retracted position of the handle 14, and are in the grounded and non-grounded states, respectively.

〔Example〕

This invention will be described below with reference to embodiments shown in the drawings.

FIG. 1 is a structural diagram of the main parts of the moving device of the set power sprayer 10, viewed from one of the left and right sides. 1st
The structure shown in the figure exists on the left and right sides, and the side opposite to that in FIG. 1 is the same as that in FIG. 1, although illustration is omitted. The frame 12 has a horizontally long rectangular shape when viewed from the side, and is equipped with a pump that delivers liquid such as a chemical solution, an engine that drives this pump, and equipment (not shown) such as a reel that winds up a spray hose. Ru. The handle 14 is disposed on one side of the frame 12 in the front-rear direction, and is swingably coupled to the frame 12 at a fulcrum 16.
The first link 18 is rotatably coupled to the intermediate portion of the handle 14 at a coupling point 20 at one end, and rotatably coupled to one end of the second link 24 and the third link 26 at a coupling point 22 at the other end. join to the part. The second link 24 has a bent shape at the middle portion, and is rotatably coupled to the lower side portion of the frame 12 at a fulcrum 28 at the bending point. The rear wheel 30 is rotatably supported by the other end of the second link 24 . The fourth link 32 is rotatably coupled to the lower side of the frame 12 at a fulcrum 34 at one end, and rotatably coupled to the other end of the third link 26 at a connection point 36 at the other end.
The front wheel 38 has a larger diameter than the rear wheel 30,
It is rotatably supported by a connecting point 36.

The operation of the embodiment shown in FIG. 1 will be explained.

When the set power sprayer 10 is stationary, the handle 14 is in a retracted position along the side of the frame 12 with the distal end facing downward. As a result, the first link 18 is pushed downward on the connection point 20 side,
The second link 24 and the third link 26 are pushed down on the connection point 22 side, and the fulcrum 34 is lifted on the connection point 36 side, so that the rear wheel 30 and the front wheel 38
is in a retracted position drawn upward from the lower side of the frame 12. As a result, the rear wheels 30 and the front wheels 38 are not in contact with the ground, and the set power sprayer 10 is grounded at the lower side of the frame 12, and is in a stable stationary state without easily moving due to external forces. .

When the set power sprayer 10 is moved, the handle 14 is swung about the fulcrum 16 and is in a protruding position extending horizontally from the side of the frame 12. This causes the first link 18 to connect to the connection point 2.
0 side is pulled upward, the second link 24 and the third link 26 are pushed up on the connection point 22 side, and the fourth link 32 is pushed down on the connection point 36 side, so that the rear wheel 30 and the front wheel 38 is in a protruding position partially protruding downward from the lower side of the frame 12. As a result, the rear wheels 30 and the front wheels 38 are in contact with the ground, and the rear wheels 30 and the front wheels 38 run on the road surface by pushing or pulling the set power sprayer 10 through the handle 14, and the set power sprayer 10 is moved by hand. Moving.

FIG. 2 is a structural diagram of the main parts of another moving device of the set power sprayer 10, viewed from one side.
The structure in FIG. 2 exists on the left and right sides, and the side opposite to that in FIG. 2 is the same as that in FIG. 2, although illustration is omitted. Sprocket for handle 40
is rotatably supported at the upper end of the side of the frame 12 and rotates integrally with the fulcrum 16. The rear wheel sprocket 42 is rotatably supported at the lower end of the side of the frame 12, and is provided to rotate integrally with the intermediate sprocket (hidden behind the rear wheel sprocket 42 in FIG. 2). The front wheel sprocket 44 is rotatably supported at the lower end of the side of the frame 12 opposite to the handle 14. The brackets 46 and 48 have their base ends integrally connected to the rear wheel sprocket 42 and the front wheel sprocket 44, respectively. front wheel 3
8b has the same diameter as the rear wheel 30;
and the front wheels 38b are mounted on brackets 46, 4, respectively.
It is rotatably supported by the tip of 8. chain 5
The chain 52 is mounted on the intermediate sprocket on the back side of the rear wheel sprocket 42 and the front wheel sprocket 44. is used to transmit rotation between the two.

In addition, pulleys are used instead of the handle sprocket 40, rear wheel sprocket 42, and front wheel sprocket 44 in FIG.
It is also possible to use a belt instead of 0.52.

The operation of the embodiment shown in FIG. 2 will be explained.

When the set power sprayer 10 is stationary, the handle 14 is in a retracted position along the side of the frame 12 with the distal end facing downward. As a result, the handle sprocket 40 and the rear wheel sprocket 4
2 and the front wheel sprocket 44 are in a predetermined rotational position, and the brackets 46 and 48 are pulled up at their tips, and the rear wheel 30 and the front wheel 38b are
The frame 12 is in a storage position where it is pulled upward from the lower side. As a result, the rear wheels 30 and the front wheels 38b are not in contact with the ground, and the set power sprayer 10 is grounded at the lower side of the frame 12, and is in a stable stationary state without easily moving due to external forces. .

When the set power sprayer 10 is moved, the handle 14 is swung about the fulcrum 16 to a protruding position extending horizontally from the side of the frame 12. As a result, the handle sprocket 4
0 rotates, and the rotation of the handle sprocket 40 is transmitted to the rear wheel sprocket 42 and the front wheel sprocket 44 via chains 50 and 52, and the brackets 46 and 48 are connected to the rear wheel sprocket 42 and the front wheel sprocket 44. It rotates integrally with the sprocket 44 to lower the tip end. As a result, the rear wheel 30 and the front wheel 38b are in a protruding position where they partially protrude downward from the lower side of the frame 12.
The rear wheel 3 is in contact with the ground, and the rear wheel 3 is pushed or pulled by hand through the handle 14.
0 and the front wheels 38b run on the road surface, and the set power sprayer 10 moves.

In the illustrated embodiment, the handle 14 is swingable, but the handle is moved in a straight line between the use position and the storage position, and the handle is connected to the rear wheels and front wheels by links or the like. You may let them.

[Effect of idea]

According to the invention of claim 1, as the handle is switched between the use position and the retracted position, the front and rear wheels are switched to the protruding position and the retracted position, and are in the grounded and non-grounded states. As a result, when moving, the front and rear wheels are in contact with the ground, and the power sprayer can be moved by rotating the front and rear wheels without having to lift it on the handle side, thereby reducing labor during movement. In addition, when stationary, the front and rear wheels are not in contact with the ground, and the power sprayer is in contact with the ground at locations other than the wheels, and movement due to rotation of the wheels is prevented, resulting in a stable stationary state.

In the inventions of claims 2 and 3, the coupling mechanism includes a link, or a rotating body and a flexible joint, and the link, or the rotating body and flexible joint, allows the wheel to swing in conjunction with the swinging of the handle. This can be an embodiment of the interlocking mechanism in the invention of claim 1.

[Brief explanation of the drawing]

The drawings relate to an embodiment of this invention; Fig. 1 is a structural diagram of the main parts of the moving device of a set power sprayer seen from one side, and Fig. 2 shows the main parts of another moving device of the set power sprayer. FIG. 10... Set power spray machine (power spray machine), 1
2... Frame (frame member), 14... Handle, 18... First link (coupling mechanism, link), 20... Second link (coupling mechanism, link), 26... Third link ( connection mechanism, link), 30...rear wheel (wheel), 32...fourth link (connection mechanism, link), 38, 38b...front wheel (wheel), 40...handle sprocket (connection mechanism, rotating body for handle), 42... rear wheel sprocket (connection mechanism, rotating body for wheel), 4
4... Front wheel sprocket (coupling mechanism, wheel rotating body), 46, 48... bracket (coupling mechanism), 50, 52... chain (coupling mechanism, flexible joint).

Claims (1)

[Claims for Utility Model Registration] (1) A frame member 12 on which equipment is mounted, a handle 14 attached to the frame member 12 so as to be displaceable between a use position and a storage position, and a A plurality of wheels 30, 38, 38b are attached to the front and rear of the frame member 12 in the lower part thereof, respectively, and are movable between a protruding position and a retracted position;
connection mechanisms 18, 24, 26 that connect the handle 14 and the wheels 30, 38, 38b so that the wheels 30, 38, 38b are in the protruding position and the retracted position when the handle 14 is in the used position and in the retracted position; 32, 40, 42, 4
4, 46, 48, 50, 52. (2) The connection mechanism 18, 24, 26, 32, 4
0, 42, 44, 46, 48, 50, 52 are
The swinging of the handle 14 is controlled by the wheels 30, 38.
2. The moving device for a power sprayer according to claim 1, further comprising a plurality of links 18, 24, 26, 32 for transmitting power to the wheels 30, 38 to swing the wheels 30, 38. (3) The connection mechanism 18, 24, 26, 32, 4
0, 42, 44, 46, 48, 50, 52 are
A handle rotating body 40 that is attached to the base end of the handle 14 and rotates as the handle 14 swings, and the wheel 30 at the distal end.
Brackets 46, 48 that pivotally support 38b, wheel rotating bodies 42, 44 that are attached to the base ends of these brackets 46, 48 and rotate as the brackets 46, 48 swing, and the handle rotating body. 40 and the wheel rotating bodies 42, 44
A flexible joint 5 that is hung on and transmits rotation between the two
0.52. Claim 1
A moving device for the power sprayer as described.