JP2012183917A - Auxiliary handle for loop handle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an auxiliary handle for a loop handle that enables a clutch lever of a walking-type tending machine provided with a loop handle to be operated without sandwiching the user's hand and causes the user to spontaneously be in a forward tilting posture when the user moves at the side of the tending machine to be able to stably operate the tending machine.SOLUTION: Right and left longitudinal handle portions 2 and 2 are provided in a projecting manner from both side portions of the machine body K of the agricultural walking-type tending machine toward its rear side. Meanwhile, both the end portions of transverse handle portions 3 are integrally connected to the respective rear ends of the longitudinal handles 2 and 2 to form a loop handle A. Then, a grip portion 5 projecting aside is provided in an extending manner in a length longer than the width of the user's gripping hand to the respective one-end portions of the transverse handle portions 3 of the loop handle A.

Description

  The present invention relates to an auxiliary handle used for a loop type handle provided toward the rear of a body of a walking type management machine for agricultural work.

In a walk-type management machine with a horizontally long clutch lever superimposed on the curved loop portion of the loop handle, the clutch lever covers the entire handle grip when working such as tillage. There are many accidents in which one hand holding the handle is caught between the handle grip and the clutch lever during clutch operation.
In order to solve such an accident, an invention of the following Patent Document 1 in which the central portion of the handle is bent downward has been proposed.
On the other hand, when plowing, if the handle is operated in the center of the rear of the management machine, the person will step on the soil of the softly cultivated part and destroy it. The handle is held at an angle.
In addition, when working with a management machine that can form a heel in the center of the ridge, if the handle is operated in the center of the rear of the management machine, the resulting heel will be crushed with feet, so avoiding such central walking The steering wheel is operated to the side of the management machine.

JP 2007-30682 A

  However, in the invention of the above cited reference 1, since it is necessary to operate the side of the handle to avoid stepping on the cultivated farmland with the foot, the handle must be operated sideways, so that it is naturally facing downward in the center of the handle. It becomes difficult to eliminate the accident that a hand is caught in the clutch lever because the side portion away from the curved portion is gripped by hand.

  Further, if the steering wheel operation is performed from the side as described above, the body naturally becomes sideways, and the running of the management machine becomes unstable, making it difficult to form a straight and uniform bag. In addition, there is a problem in walking safety such that the foot easily gets on the inclined surface of the heel and the ankle is crushed.

  Therefore, the problem to be solved by the present invention is that, in the walking type management machine having the loop type handle, the clutch lever can be operated without pinching the hand and the body is moved to the side of the management machine. In addition, a handle is provided which allows the manager to be stably operated with the body naturally facing forward.

  The present inventors project left and right vertical handle portions from both sides of the agricultural walking type management machine to the rear, and integrate both end portions of the horizontal handle portion at the rear end portion of the vertical handle portion. In consideration of the loop type handle that is connected to the loop type handle, the above problem can be solved by extending another handle.

  The auxiliary handle for a loop type handle according to claim 1 is provided by extending a grip portion that protrudes laterally at a length equal to or greater than a grip width at one end portion or both end portions of the lateral handle portion of the loop type handle. It is characterized by comprising.

  The invention according to claim 2 is characterized in that, in the above invention, the grip portion is bent or curved.

  According to a third aspect of the present invention, in each of the above-described inventions, the vertical handle and / or the horizontal handle is provided with an opening / closing means that can be opened / closed from the inside to the outside and from the outside to the inside of the loop type handle, or to be able to appear Means is provided.

  The invention according to claim 4 is characterized in that, in each of the above inventions, an attaching / detaching means is provided in the vertical handle part and / or the horizontal handle part.

  According to a fifth aspect of the present invention, in the above invention, the attachment / detachment means is formed in a D shape by connecting a base end portion and a distal end portion of a C-shaped grip portion with a support rod, and the support rod and the vertical handle portion The support rod and the vertical handle portion can be fixed with a detachable fixing screw with a connecting material interposed therebetween, and the curved corner portion between the vertical handle portion and the horizontal handle portion can be sandwiched vertically A covering fixing frame having a surface is sandwiched between the curved corner portions, and is attachable to and detachable from the loop handle by the attaching / detaching fixing screw.

Since the auxiliary handle of the present invention is extended with the grip portion protruding to the side of the lateral handle portion of the loop type handle, the walking type management machine is operated only with the auxiliary handle or with the grip portion together with the loop type handle. Since the grip portion is released from the clutch lever, if the clutch is operated with the grip portion, there is no possibility that the hand is caught by the clutch lever.
In addition, when the body is moved to the side of the management machine to avoid the footprint in the center of the rear of the management machine, the hand naturally goes to the auxiliary handle protruding to the side of the loop type handle, Therefore, it becomes possible to operate the management machine stably in a positive state.
As a result, since it does not become an unreasonable posture such as twisting the body, it becomes possible to work safely at the same time that the rear center is plowed into a clean state.

  Further, in a walking type management machine with a built-in differential gear, when turning or turning, the driving wheel that is stopped on one side becomes a fulcrum, and the distance from the fulcrum to the grip portion of the auxiliary handle is The length of the loop type handle is longer than the distance to the grip, and the auxiliary handle is offset from the center of the machine to the side, making it easier and lighter to rotate the control machine with less force than when holding the loop type handle. The operation can be performed.

  In the invention according to claim 2, since the grip portion is formed by bending or bending, it is possible to change the grip position of the hand in either the vertical direction or the horizontal direction, and in a natural and most stable state. It becomes possible to operate the management machine safely without grasping the grip part and taking an unreasonable posture.

In the invention according to claim 3, by providing the loop type handle with an opening / closing means that can be opened / closed inside / outside or a protruding / extracting means that can be moved in / out, the grip portion can be moved laterally as needed during tillage work. It is possible to operate the management machine with the auxiliary handle attached in a compact manner in a loop type handle as required.
Further, when the tiller is not used, if the grip portion is put in the loop type handle, it can be stored compactly without being disturbed even with the auxiliary handle.

  In the invention according to claim 4, since the auxiliary handle can be attached to and detached from the loop type handle by the attaching / detaching means, the tiller can be easily used if the auxiliary handle is easily attached to and detached from the loop type handle as required.

In the invention according to claim 5, when the auxiliary handle is mounted on the loop type handle, the support rod connecting both ends of the C-shaped grip portion to the D shape and the vertical handle portion of the loop type handle are connected via the connecting material. The loop-type handle and the auxiliary handle are firmly fixed with a detachable fixing screw and the movement of the auxiliary handle is restrained by sandwiching the curved corner portion between the vertical handle portion and the horizontal handle portion from above and below by the holding surface of the covering fixing frame. Complex movements such as lateral displacement and rotation that occur between the two are strongly held down, enabling stable fixation.
Also, the auxiliary handle can be easily detached from the loop type handle by removing the attaching / detaching fixing screw from the connecting member.

It is a side view which shows the use condition in a management machine. It is a top view which shows the use condition in a management machine. (A) is a top view which shows a handle | steering-wheel part, (b) is the vertical side view. It is a perspective view which shows the auxiliary handle part expanded. FIG. 4 is a perspective view of an auxiliary handle portion showing a state in which (a) of another form protrudes from the loop type handle, and (b) shows a state folded in the loop type handle. It is each perspective view of the auxiliary | assistant handle | steering-wheel part which shows the state which (a) of another form protruded from the loop type handle, and (b) submerged in the loop type handle.

As shown in FIG. 1, the body of an agricultural walking type management machine having a work machine attached to the rear of the wheel is provided with a loop type handle toward the rear.
In the management machine provided with the loop type handle, the present invention relates to a horizontal handle that connects the rear end portions of the left and right vertical handle parts 2 and 2 projecting rearward from both sides of the machine body K of the management machine. A grip portion 5 protruding from a side portion of a loop type handle A integrally provided with the portion 3 is extended.

The loop type handle is formed by bending a single pipe made of iron or stainless steel, and the vertical handle parts 2 and 2 are inclined to the rear from the side of the machine body K to a height that is easy for a standing person to hold. As shown in FIG. 2, the horizontal handle 3 connected to the rear ends of the vertical handles 2 and 2 is a grip that is gripped by the hand, and part of the rear of the vertical handles 2 and 2 is also provided. It becomes a grip part that can be grasped by hand together with the curved part of the connecting corner.
Then, both end portions of a substantially U-shaped clutch lever 4 are pivotally supported on the left and right symmetrical portions near the rear portions of the vertical handle portions 2 and 2 so as to rotate up and down. Is connected.

  As shown in FIG. 1, the clutch lever 4 is provided so as to overlap the lateral handle portion 3 of the loop type handle A from above as shown in FIG. For this reason, when the clutch lever 4 is pulled, it is pinched when there is a hand or finger between the clutch lever 4 and the lateral handle portion 3.

  In the present invention, the grip portion 5 is extended to the lateral handle portion 3 so as to protrude to the side of the lateral handle portion 3 of the loop type handle A. Since the length of the grip portion 5 is provided to be grasped by a hand, it is formed to have a length longer than the grip hand width.

The shape of the grip part 5 is made of at least a pipe or rod having a length equal to or greater than the width of the palm. The material used is a hard, high strength material such as metal, wood or plastic.
In order to attach the grip portion 5 to the loop type handle A, it can be integrated by welding to the loop type handle in the case of metal, and in the case of wood or plastic, the loop type handle can be connected via a fixing member. A can be fixed.
As the shape of the grip portion 5, a straight shape, a bent shape in an L shape, or a curved shape in a C shape can be used, and a shape formed in a square shape or a circular loop shape is also possible.
Further, in the case of plastic, the fixing portion of the grip portion 5 to the loop type handle A can be integrally formed with the auxiliary handle 1.

The auxiliary handle 1 of the present invention can have various forms as described above. For example, as shown in FIG. 2, the auxiliary handle 1 can have a loop form in which a metal pipe is curved in a C shape.
In the auxiliary handle, the tip side portion of the grip portion 5 is curved forward from the proximal end portion of the grip portion 5 while ensuring a length more than the grip width.
In the description below, the base end portion 5a of the grip portion 5 is connected from one end portion of the lateral handle portion 3 to the side via a fixing bracket such as a connecting member, and the distal end portion 5b of the grip portion 5 is connected. Is formed in a loop shape curved forward.
FIG. 2 shows a mode in which both ends of the grip portion 5 are further bent inward and welded with a metal pipe support rod 6 that is connected in a D shape to form a loop shape.

Then, as shown in FIGS. 3 and 4, a metal connecting member 8 is interposed between the support bar 6 and the vertical handle part 2 to fix the support bar 6 and the vertical handle part 2 to each other. Secure with screws 9.
As shown in FIGS. 3 and 4, the connecting member 8 has a rising bent portion 8 c formed by bending the base portion 8 d and the tip portion of the support rod 6 from the inside of the loop type handle 1 to the vertical handle portion of the loop type handle A. 2, an inner holding portion 8 a is formed on the rising bent portion 8 c, and an outer holding portion 8 b is formed on the base portion 8 d so as to face each other. The inner holding portion 8 a and the outer holding portion 8 b Are provided so that the vertical handle portion 2 can be sandwiched therebetween.
In order to ensure clamping of the vertical handle portion 2, the plate surface of the inner holding portion 8a is curved so as to wrap the vertical handle portion 2, and the outer holding portion 8b is formed using an L-shaped pressing member. Then, the vertical handle part 2 is bent so as to sandwich the vertical handle part 2 so that concave surfaces are provided on both sides of the vertical handle part 2.
A female screw hole is provided in the plate surface of the inner holding portion 8a, and a detachable fixing screw 9 is screwed into the outer holding portion 8b so as to be protruded and retracted.
As a result, the vertical handle portion 2 of the loop type handle A sandwiched between the inner holding portion 8a and the outer holding portion 8b is tightened by the rotation of the attaching / detaching fixing screw 9, and the loop type handle A is Thus, the auxiliary handle 1 can be fixed.

Furthermore, a cover fixing frame 7 provided with a clamping surface 7a for sandwiching a curved corner portion between the vertical handle portion 2 and the horizontal handle portion 3 at the top and bottom is welded to the base end portion 5a of the grip portion 5; The covering fixing frame 7 can be fixed by being fitted to the curved corner portion.
In this embodiment, the loop type handle A and the auxiliary handle 1 can be detached by loosening the attaching / detaching fixing screw 9 and removing the covering fixing frame 7.
Further, if the inner surface of the covering fixing frame 7 that contacts the loop type handle A is covered with a soft sheet such as synthetic resin or rubber, there is no backlash after the attachment, and the loop type handle A when removed is stable. It is possible to prevent the mounting flaw from being left behind.
Moreover, although not shown in figure, the aspect which provides both sides of the said clamping surface 7a widely so that it may protrude inside the curved corner part of the said loop type handle A, and provides a bolt fixing | fixed part in this expanded part is possible. In this aspect, since the loop handle A can be fitted and fixed with a bolt at the same time, the auxiliary handle 1 can be more firmly fixed to the loop handle A.

  The attaching / detaching means 10 that allows the loop handle A and the auxiliary handle 1 to be attached / detached can attach / detach the base end portion 5a of the grip portion 5 to / from the loop handle A even in the case where the support bar 6 is not provided. And various forms such as bolting are possible.

  Further, the vertical handle portion 2 and the horizontal handle portion 3 can be attached via an opening / closing means 11 capable of opening / closing or an extending / retracting means 12 capable of moving in / out.

For example, as shown in FIGS. 5A and 5B, the opening / closing means 11 has a D-shaped central portion at the rear end portion of the vertical handle portion 2 and one end portion of the horizontal handle portion 3. A gripping member 13 having a pivotal support portion 16 that allows a base end portion 5a of the grip portion 5 to pass through the upper side from the inside and turn sideways is fixed, and a distal end portion 5b of the grip portion 5 is fixed to the vertical handle. It is possible to adopt a form in which the holding member 13 provided with a pivotal support portion 16 that allows the tip portion 5b of the grip portion 5 to pass upward from the inside and turn sideways is fixed to the portion 2.
That is, with the grip portion 5 attached, the pivot portion 16 is rotated around the pivot portion 16, and the grip portion 5 is moved from the outside to the inside of the loop type handle A as shown in FIG. It is possible to use it from the inside to the outside at any time.
Note that reference numeral 14 in FIG. 5 is a stop plate 14 for fixing the holding member 13 to the vertical handle portion 2, and reference numeral 15 is a set screw 15 for fixing the stop plate.

Further, as shown in FIGS. 6 (A) and 6 (B), for example, the protruding / extracting means 12 is a tube that can be protruded / extruded with a diameter substantially equal to the outer diameter of the proximal end portion 5a and the distal end portion 5b of the grip portion 5. It is possible to adopt a form in which the pipe members 17 and 18 having an inner diameter are provided by welding the long pipe member 17 to the horizontal handle portion 3 and welding the short pipe member 18 to the vertical handle portion 2.
In this embodiment, the base end portion 5a and the tip end portion 5b of the grip portion 5 are fitted and inserted into the tube members 17 and 18 from the side, and fall off when excessively pulled out to the protruding end portion on the short tube member 18 side. A stopper 19 having a diameter larger than the inner diameter of the pipe member 18 that stops the distal end portion 5b of the grip portion 5 is fixed.
Even in this form, the auxiliary handle 1 is still attached, and as shown in FIG. 6 (a), the grip portion 5 is pushed in from the outside to the inside of the loop type handle A, and is pulled back and forth as needed. Can be used.

  The present invention is used for a loop type handle of an agricultural walking type management machine, and the loop type handle can be used even if it has various different loop shapes.

DESCRIPTION OF SYMBOLS 1 Auxiliary handle 2 Vertical handle 3 Horizontal handle 4 Clutch lever 5 Grip part 5a Grip part base part 5b Grip part tip part 6 Support rod 7 Covering fixing frame 7a Holding surface 8 Connecting material 8a Inner holding part 8b Outer holding part 8c Standing bent part 8d Base part 9 Detachment fixing screw 10 Detachment means 11 Opening and closing means 12 Retracting means 13 Holding material 14 Stopping plate 15 Set screw 16 Pivoting part 17 Pipe material 18 Pipe material 19 Stopper A Loop type handle K Body of agricultural walking type management machine

Claims (5)

  Left and right vertical handle portions project from both sides of the agricultural walking-type management machine toward the rear, and both end portions of the horizontal handle portion are integrally connected to the rear end portion of the vertical handle portion. For a loop type handle, characterized in that a grip part that protrudes to the side with a length equal to or greater than the grip width is extended to one end or both ends of the lateral handle part with respect to the loop type handle. Auxiliary handle.   The auxiliary handle for a loop type handle according to claim 1, wherein the grip portion is bent or curved.   3. The vertical handle part and / or the horizontal handle part are provided with an opening / closing means for enabling opening and closing or an intrusion means for enabling and disengaging from the inside to the outside and from the outside to the inside of the loop type handle. Auxiliary handle for loop type handle described in 1.   The auxiliary handle for a loop type handle according to any one of claims 1 to 3, wherein an attaching / detaching means is provided on the vertical handle portion and / or the horizontal handle portion.   The attaching / detaching means is formed in a D shape by connecting the base end portion and the tip end portion of the C-shaped grip portion with a support rod, and the support rod is interposed between the support rod and the vertical handle portion. And a vertical handle portion can be fixed with a detachable fixing screw, and a covering fixing frame having a clamping surface capable of vertically sandwiching the curved corner portion between the vertical handle portion and the horizontal handle portion is attached to the curved corner portion. The auxiliary handle for the loop type handle according to claim 4, wherein the auxiliary handle for the loop type handle is formed by being clamped and detachable from the loop type handle by the attaching / detaching fixing screw.

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