JP2005299361A - Wheel structure of manual snow removing implement - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve problems in wheels of conventional manual snow removing implements wherein there are ones hard to bolt-fasten, ones with weak wheel supports because of a cantilever type and hard to after-fit, ones located at the lower face of a bucket to interfere with snow removing work, and ones with frames and handles formed in a complicated manner to have difficulty in having convenient work and producing a snow removing implement with the wheels at a low cost. <P>SOLUTION: In a snow removing implement body, a peripheral frame 2 of a synthetic resin bucket 1 manually used for snow removal, and a grip handle 3 installed at the rear part of the peripheral frame, are connected and integrated, and a plurality of right and left support parts formed by extending outer brackets 6 provided outside an axle 5 for installing wheels 4 rotatably, and inner brackets 7 provided inside the axle, upward to unite them are detachably installed at the right and left frames of the bucket. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a wheel structure of a snow carrying tool for small transportation that is moved by hand.

As a conventional technique, wheel supports made of individual single metal plates are bolted to the sides of the frames on both sides of the snow removal bucket, and one wheel is rotatably attached to the lower part of the single plate wheel support. Technology is known. (For example, see Patent Document 1)
In addition, the technology is such that a wheel support made of a single plate of individual metal is welded to the lower surface of the frame on both sides of the snow removal bucket, and one wheel is rotatably attached to the lower part of the wheel support of the single plate. It has been known. (For example, see Patent Document 2)
In addition, a technique is known in which wheels are rotatably installed on a plate-like member on the bottom surface of a snow removal bucket. (For example, see Patent Document 3)
In addition, a technique is known in which, apart from the frame of the snow removal bucket, the tip of the grip handle is installed on the plate material of the snow removal bucket, an arm is attached and extended to the tip of the grip handle, and an axle and wheels are provided at the tip of the arm. . (For example, see Patent Document 4)
Japanese Utility Model Publication No. 62-64673 Registered Utility Model No. 3051099 Registered Utility Model No. 3044450 Japanese Patent Laid-Open No. 7-158023

  In the conventional technique disclosed in Patent Document 1, wheel supports made of individual metal single plates are bolted to the side surfaces of the frames on both sides of the snow removal bucket, and one wheel is provided below each of the single plate wheel supports. With the technology to attach freely, the frame of the frame of the snow removal tool bucket integrated with the peripheral frame of the synthetic resin bucket targeted by the present invention and the grip handle installed at the rear of the peripheral frame is the frame. When mounting a snow pouch of the type that covers the outer half, the cover that covers the outer half of the frame must be placed on the side of the wheel support in order to bolt the single plate wheel support to the side of the frame. There is a difficulty that the wheel supports can only be installed incompletely.

  In the conventional technique in Patent Document 2, wheel supports made of individual metal single plates are welded downward to the lower surfaces of the frames on both sides of the snow removal bucket, and one wheel is provided at the bottom of the single plate wheel support. In the case of a snow removal tool in which the frame around the synthetic resin bucket targeted by the present invention and the grip handle installed at the rear of the peripheral frame are connected and integrated, this is a technology that can be mounted rotatably. The supporting wheel supports are individually independent and are mechanically cantilevered, so if some force is applied laterally or diagonally as normal people use, the wheels may be deformed. , There is a possibility of cracks in the welded part. In addition, since the wheel support is welded to the frame, when attaching the wheel to a snow removal bucket without wheels, a special technique called welding is required. There are difficulties.

  The technology in the conventional Patent Document 3 is a technology in which a wheel is rotatably installed and supported on a plate-like member on the bottom surface of a snow removal bucket, and the plate-like member is a technology that preferably uses a metal plate, and the present invention is When installing on a snow removal tool in which the frame around the target synthetic resin bucket and the grip handle installed at the rear of the peripheral frame are connected and integrated, However, since the plate-like member is used, durability is difficult.

In the prior art in Patent Document 4, the tip of the grip handle is installed on the plate material of the bucket for snow removal separately from the frame of the snow removal bucket, the arm is attached and extended to the tip of the grip handle, and the axle and wheels are attached to the tip of the arm. This is a technology that mainly uses a metal material, and the frame around the synthetic resin bucket, which is the subject of the present invention, and the grip handle that are installed at the rear of the peripheral frame are integrated. In the case of a snow removal tool that has been made into a snow, there are difficulties in mounting and durability.
The problem to be solved by the present invention is to eliminate the above problems.

  A wheel 4 is rotatably installed in a snow removing tool main body in which a peripheral frame 2 of a synthetic resin bucket 1 used for manual snow removal and a grip handle 3 installed at the rear of the peripheral frame are connected and integrated. A plurality of left and right support portions formed by extending and combining an outer bracket 6 provided on the outside of the axle 5 and an inner bracket 7 provided on the inside of the axle to the upper part are detachably installed on the left and right frames of the bucket. A wheel structure of a manual snow removal tool is provided as a means for solving the problem.

The effect of the present invention will be described.
In the conventional technique in Patent Document 1, in the case where the end of the bucket is attached to a snow removal bucket of the kind covering the outer half of the frame, the outer side of the frame is used to bolt the single-wheel wheel support to the side of the frame. The half-covered cover obstructs the side of the wheel support, and the wheel support can only be installed incompletely. However, by using the present invention, it can be installed completely. It is effective in solving the problem of incomplete installation of technology.

  In the conventional technique in Patent Document 2, the wheel supports that support the wheels are individually independent, and are mechanically cantilevered beams. If excessive force is applied, the wheel may be deformed or the welded part may crack. Also, since the wheel support is welded to the frame, when attaching a wheel to a snow removal bucket without wheels, a special technique called welding is required. Although there are difficulties, by using the present invention, it is possible to attach without using welding, and there is an effect of solving the problem that the welded portion fails.

  The technology in the conventional Patent Document 3 is a technology in which a wheel is rotatably installed and supported on a plate-like member on the bottom surface of a snow removal bucket, and the plate-like member is a technology that preferably uses a metal plate, and the present invention is When installing on a snow removal tool in which the frame around the target synthetic resin bucket and the grip handle installed at the rear of the peripheral frame are connected and integrated, However, since the plate-like member is used, durability is difficult. However, the present invention has an effect of increasing durability and solving the problem.

  In the prior art in Patent Document 4, the tip of the grip handle is installed on the plate material of the bucket for snow removal separately from the frame of the snow removal bucket, the arm is attached and extended to the tip of the grip handle, and the axle and wheels are attached to the tip of the arm. This is a technology that mainly uses a metal material, and the frame around the synthetic resin bucket targeted by the present invention is connected to the grip handle installed at the rear of the peripheral frame. In the case of an integrated snow removal tool, there is a difficulty in attachment and durability, but according to the present invention, attachment can be facilitated and durability is increased, and the problem is solved.

  The present invention manually inserts the tip of the bucket into the snow cover and slides it on the bottom of the front bucket when there is snow on the transport road surface. It is the best mode for carrying out the present invention to carry easily by rotation.

  The support portion of the wheel structure of the snow removal tool of the synthetic resin bucket 1 used for manual snow removal shown in FIGS. 2 and 3 is adapted so that the upper portion of the outer bracket 6 matches the shape of the upper portion of the frame 2 covered with the bucket. Bend the upper part of the inner bracket 7 by bending it, and bend the upper part of the inner bracket 7 and incline upward toward the outside. It is a structure that is detachably tightened with a bolt 10 or the like between the attached wedges.

The support portion of the wheel structure of the manual snow removal tool shown in FIG. 4 has the upper part of the bracket curved in accordance with the surface shape of the lower part of the frame, and the contact area between the upper surface of the curved bracket and the lower surface of the frame is increased. It is an Example of the support part which installs a bracket in the lower part of a frame so that attachment or detachment is possible.
The bolt insertion hole is newly provided or an existing bolt hole that can be used is used.

The support structure of the wheel structure of the manual snow removal tool shown in FIG. 5 is curved by projecting a laterally projecting member at two locations on the upper part of the bracket, with a part attached to the upper part of the frame and a part attached to the lower part of the frame. In this embodiment, it is detachably installed with bolts or the like.
When the bolt with a slightly sharp center at the tip is tightened, the tip of the bolt slightly bites into the surface of the frame, and the wheel structure is fixed. In this case, the frame can be installed without a bolt hole.

It is the Example which installs the fixing material 11 between the side wall and the bracket which became the bucket on the steady of the wheel of the wheel structure of the manual snow removal tool of FIGS.
As the fixing method of the fixing material, there are simple contact fixing and fixing by adhesive or double-sided tape for fixing between the inclined side wall of the bucket and the fixing material. For fixing between the bracket and the fixing material, there are adhesive fixing with an adhesive or double-sided tape, and integral molding of the bracket and the fixing material.
Examples of the fixing material include plastic, a hard material such as a homogeneous material of a bracket, a combination of a hard material and an elastic material, and an elastic material used alone.

This is an embodiment in which a through axle connecting the left and right wheels is provided in order to fix the wheel steady rest and the wheel interval of the wheel structure of the manual snow removal tool.
For fixing the wheel interval, the wheel interval is determined at a fixed position of the bracket with respect to the axle.

In order to fix the wheel steady rest and the wheel spacing of the wheel structure of the manual snow remover shown in FIGS. 1 and 2, a substantially trapezoidal fixing material is installed between the side wall of the bucket and the bracket to prevent the wheel from swinging. This is an embodiment in which the retaining wire 12 is installed so as to be pulled between the left and right axles in order to prevent the wheels from swinging out.
The wire is installed by stopping at the position of the end of the axle inside the bracket, reciprocating, adjusting the length of the wire, and fixing the wire with the stopper 13 at an appropriate position between both wheels.
Examples of fasteners include: using a pipe fastener and passing two wires with screws; using two wires between two folded plates instead of pipes and fastening with screws; There are a method of passing two wires in between, a method of entwining two wires, and the like.
For the part that protrudes after stopping with a stopper, the band is stopped so that the tip of the wire does not fall apart.
There is an embodiment in which a fixing structure is provided at several places near the origin of the wire, a fixing device is provided at the tip of the wire that has reciprocated, and the fixing device is fixed to the fixing structure.

The wheel structure of the manual snow removal tool shown in FIG. 6 is a sheath tube in which both left and right axles are extended inward and threaded at both ends, and both ends are threaded, in order to fix the wheel steady rest and the wheel spacing. 14 is an example of the structure connected at 14.
The screws of the right and left sheath pipes are aligned, the screws are advanced by rotating the sheath pipe, and the distance between the wheels is adjusted according to the frame width of the bucket of the snow removal tool. If one side of the axle is a right-hand thread and the other is a left-hand thread, double-width adjustment can be performed simultaneously. If one screw is fixed, adjustment is possible with only the other screw.
Further, there is an example of a structure in which one end of two axles is a sheath and the other end is an insertion member, which is a screw type or no screw.
Determine the position of the wheels and brackets and fix them with a split pin.

  In areas where it is necessary to clean up by small transport of snow, versatility as a snow removal tool can be expected when there is no snow to slide the snow removal bucket on the road surface.

It is a whole perspective view which shows the Example of this invention. (Example 6) It is a front view which shows the Example of the wheel structure of this invention. (Examples 1, 4, and 6) It is a disassembled perspective view which shows the Example of the wheel structure of this invention. (Example 1) It is a front view which shows the Example of the wheel structure of this invention. (Example 2) It is a front view which shows the Example of the wheel structure of this invention. (Examples 3 and 4) It is a front view which shows the Example of the wheel structure of this invention. (Example 7)

Explanation of symbols

1 bucket 2 frame 3 grip handle 4 wheels 5 axle 6 outer bracket 7 inner bracket 8 inclined surface 9 wedge with wedge 10 bolt 11 fixing material 12 wire 13 stopper 14 sheath tube

Claims (8)

  In the snow removal tool body, the frame (2) around the synthetic resin bucket (1) used for manual snow removal and the grip handle (3) installed at the rear of the frame are connected and integrated. A plurality of left and right support parts formed by extending and combining the outer bracket (6) provided outside the axle (5) and the inner bracket (7) provided inside the axle so that the wheels (4) are freely installed. A wheel structure for a manual snow removal tool, wherein the slidably mounted on the left and right frames of the bucket.   The upper part of the outer bracket is bent to match the shape of the upper part of the frame covered with the bucket, and the upper part of the outer bracket is bent on the upper part, and an inclined wedge (9) is inserted between the inclined surface (8) formed by bending the inner bracket and the lower part of the frame. 2. The wheel structure of the manual snow removal tool according to claim 1, wherein the structure of the support portion is detachably installed between the bracket and the straight wall.   2. The wheel structure of a manual snow removal tool according to claim 1, wherein a structure of a support portion is provided in which the upper portion of the bracket is bent in accordance with the surface shape of the lower portion of the frame and is detachably installed on the lower portion of the frame.   At the upper part of the bracket, the laterally projecting members are projected and curved, and a part is attached to the upper part of the frame and a part is attached to the lower part of the frame, and is detachably installed with a bolt (10) or the like. The wheel structure of the manual snow removal tool according to claim 1, wherein the wheel structure is a support portion.   The wheel structure of the manual snow removal tool according to claim 2, 3 or 4, wherein a fixing member (11) is installed between the side wall of the bucket and the bracket to prevent the wheel from swinging.   The wheel structure for a manual snow removal tool according to claim 2, 3 or 4, wherein a through axle connecting the left and right wheels is provided in order to set the wheel steady rest and the wheel interval constant.   In order to keep the wheel steady and the wheel interval constant, a fixing material for preventing the wheel from running out is installed between the side wall of the bucket and the bracket to prevent the wheel from running out (12). Is installed between the left and right axles. The wheel structure of the manual snow removal tool according to claim 2, 3 or 4.   The manual snow removal according to claim 2, 3 or 4, characterized in that the distance between the inner front end portions of the left and right separate axles is abutted and connected so as to make the wheel steady rest and the wheel spacing constant. Tool wheel structure.

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