JPH09315206A - Car-mounted vehicle fixing structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable anybody to easily fix a car-mounted vehicle without requiring skill by making a wheel abut on a stopper, and setting the other stopper, which is positioned at a releasing position, at an abutment position on the other wheel so as to fix front and rear wheels of the car-mounted vehicle inside of a car body of a mounting vehicle. SOLUTION: A front wheel HI of an electric wheelchair is made to abut on a bending member and a side surface abutment body of a front wheel side stopper. A rear wheel side stopper 30, which is moved to a non-interference position, is elevated and rotated so that it abuts on a position upper and rear than the center of a rear wheel H3, namely, made to abut on a top surface of a rear part. In this condition, a hook ring 35b of a fixing member 35 is hooked on a hooking projection 34a1 of an insertion part 34a, and a lever 35a is pushed down so as to securely fix a fixing arm 34. With this structure, forward and upward movement of a front wheel HI is hindered by an upper end of a top surface abutting member of the front wheel side stopper, and while the movement toward a side thereof is hindered by the abutment on the side surface.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle-mounted fixing structure for mounting a vehicle such as a wheelchair having four wheels or three wheels on a vehicle for transportation.

[0002]

2. Description of the Related Art When carrying a vehicle such as an electric wheelchair on an automobile, it is extremely important to prevent movement of the vehicle mounted inside the vehicle body. Such a thing is conventionally used. As shown in the figure, guides 2 for positioning front and rear wheels such as an electric wheelchair are provided at four locations on a floor surface 1a of a rear body 1 of a transportation vehicle such as an automobile,
Thus, the position of each wheel (four wheels, front, rear, left, and right) of the electric wheelchair 3 in the left-right direction is set, and then fixed by four belts 4, 5, 6, 7.

Of these, hooks 4a and 5a are fixed to one ends of the rear belts 4 and 5, and a connecting fitting 4 is attached to the other ends.
It is fixed to b and 5b. Hooks 4a and 5a are wheelchair 3
It can be hooked at a predetermined position on the rear surface portion, and the connection fittings 4b and 5b can be attached to and detached from the connection fittings 4c and 5c fixed to the floor surface 1a. Further, the belts 6 and 7 are provided at one end thereof with a fastening member 6a provided on the floor surface 1a of the vehicle body 1,
7a and hooks 6b provided on the other end,
7b can be hooked at predetermined positions on the front part of the electric wheelchair 3, respectively.

When the electric wheelchair 3 is fixed in the vehicle, the hooks 6b and 7b of the belts 6 and 7 on one side are fixed.
Is fastened to the front end of the electric wheelchair 3 and the levers 6a1 and 7a1 of the fastening metal fittings 6a and 7a are kept in a released state (in a standing state).
a and 5a are hooked on the rear surface of the electric wheelchair 3, and the mounting bracket 4
b and 5b are connected to the mounting brackets 4c and 5c mounted on the floor. Finally, the levers 6a1 and 7a1 are pushed down to give tension to each belt, and the tension is firmly fixed.

[0005]

However, in the above-mentioned conventional fixing structure for the electric wheelchair, each belt 4,
In addition to hooking the hooks 4a, 5a, 6a, 7a of 5, 6, 7 at four positions in the front, rear, left and right of the electric wheelchair 3, connecting fittings 4b, 5b on the belts 4, 5 and connecting fittings provided on the bottom surface 1a 4c, 5c connection, release operation, lever 6a
The operation of 1, 7a1 and the like are required, which causes a problem that the handling becomes troublesome. This is a problem that occurs when only the electric wheelchair 3 is mounted in the vehicle, but when the person who gets on the electric wheelchair performs the above-mentioned fixing operation by himself, the operation is extremely difficult and a great deal of trouble occurs. It takes a lot of time and effort. Therefore, it has been considered to adopt a method of tightening and fixing by electric or hydraulic pressure, but there is a problem that the configuration becomes extremely expensive by providing the actuator. The hooks 4a, 5a, 6a, 7a may be mounted depending on the vehicle mounted.
There are disadvantages that the fixing structure cannot be used because there is no place to lock the wheelchair, or that the electric wheelchair 3 is damaged by hooking the hook.

The present invention has been made in order to solve the above-mentioned problems of the prior art, and a vehicle mounting structure for mounting a vehicle can be easily carried out and can be constructed at low cost. Is an issue.

[0007]

SUMMARY OF THE INVENTION According to the present invention, a vehicle having front wheels and rear wheels, one wheel of which is turnable around a substantially vertical axis, is fixed in a vehicle body of a predetermined transport vehicle. And a front wheel side stopper having an upper surface abutting portion that abuts on a front upper surface of the front wheel and restricts forward movement of the front wheel, and a rear upper surface that abuts on a rear upper surface of the rear wheel. A rear wheel side stopper having an upper surface abutting portion that restricts movement to the inside of the vehicle body of the transport vehicle, and at least one of the rear wheel side stopper and the front wheel side stopper has a contact portion with the wheel. A setting position can be changed between a contact position and a release position separated from the contact position, and one of the rear wheel side stopper and the front wheel side stopper abuts on a side surface of a wheel that can turn around a vertical axis. With the side contact part fixed You have me.

Therefore, according to the present invention, it is extremely simple that one wheel is brought into contact with the one stopper and then the other stopper in the release position is set to the contact position with the other wheel. The vehicle to be mounted on the vehicle can be easily fixed by various operations. That is, the front wheels and the rear wheels of an on-vehicle vehicle are prevented from moving in the front-rear direction and the vertical direction by the upper surface abutting portions of the front-wheel-side stopper and the rear-wheel-side stopper, and are capable of turning (front wheels or rear wheels). The side contact part fixed to the top contact part is brought into contact with the side face of) to prevent movement in the turning direction, whereby the wheel is firmly fixed in the vehicle body of the transport vehicle. To be done.

Further, in the above structure, the front wheel side stopper is provided with an upper surface abutting portion that abuts on a front upper surface of the front wheel that can turn about a vertical axis and a side surface abutting portion that can abut on a side surface. On the other hand, the rear wheel side stopper shall be provided with an upper surface abutting portion that can abut on the rear upper surface of the left and right rear wheels that cannot turn around the vertical axis, and that the position can be adjusted along the front-rear direction. Can be considered. Further, rear wheel side stoppers are provided so as to project from both left and right sides inside the vehicle body of the transport vehicle, and can be moved up and down and rotated along the respective pillars so as to be able to come in contact with and separate from the rear upper surface of the rear wheel. A contact member and a fixing member for fixing the contact member at the contact position with the rear wheel may be provided.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. 1 to 5 are views showing a first embodiment of the present invention, FIG. 1 is an explanatory side view showing a schematic configuration of this embodiment, and FIG. 2 is an electric motor applied to that shown in FIG. Explanatory perspective view showing a wheelchair, FIG. 3 is FIG.
3 is an explanatory perspective view showing the front wheel side stopper shown in FIG.
5 is an explanatory side view of what is shown in FIG. 5, and FIG. 5 is an explanatory perspective view showing a rear wheel side stopper.

In the first embodiment, a four-wheel electric wheelchair W having a pair of left and right front wheels H1 and H2 and rear wheels H3 and H4 as shown in FIG. It is mounted on the surface 2 and fixed. In addition,
In the electric wheelchair W applied here, by operating the steering wheel S, the front wheels H1 and H2 turn left and right around a substantially vertical axis to steer the vehicle. Is mounted, and the rear wheels H3 and H4 are driven by the drive mechanism.

As shown in FIG. 1, the vehicle-mounted fixing structure for a vehicle in this embodiment comprises a front wheel side stopper 20 for holding the front wheels of the electric wheelchair W and a rear wheel side stopper 30 for holding the rear wheels. . In FIGS. 3 and 4, the front wheel side stopper 20 includes an upper surface abutting member (upper surface abutting portion) 21 fixed to a high surface portion 2a of a floor surface 2 having two steps of height and height via a fixing sill 21. A side contact body (side contact portion) 24 having a front end portion fixed to the upper surface contact portion 21 and a rear end portion fixed to the bottom surface portion 2b of the floor surface 25 via a fixing plate 25 is provided.

Of these, the upper surface abutment body 21 has a substantially inverted U-shaped bent shape in which both ends are fixed in the fixed size 22, and the left and right side portions 23a and 23b are obliquely rearward in a side view. It is standing up, and therefore both sides 22
The horizontal upper end portion 22c connecting a and 22b is the both side portions 22.
It is located above and behind the connecting portion between the a and 22b and the fixed plate 22. The height of the upper end portion 22c from the floor surface 2b is set to a value larger than the radius of the front wheel H1. Further, the side surface abutting body 24 has a linear shape in a plan view from the front end portion to the rear end portion, and rises obliquely upward in a side view.

On the other hand, the rear wheel side stopper 30 is constructed as shown in FIG. That is, the rear wheel side stopper 3
Reference numeral 0 denotes a fixed plate 31 fixed to the upper surface of a wheel house 2c formed on both left and right sides of the transport vehicle 1, a support column 32 standing upright on the fixed plate 31, and a support member 32 inserted into the support column 32. Holder 33 fixed together with bolts 33a
And a fixed arm (upper contact portion) 34 having a fitting insertion portion 34a that is fitted and inserted into the support column 32 above the holder 33.
And a fixing member 35 for fixing the fixed arm 34 in place.

The fixed arm 34 is bent downward in an inverted L-shape, and a rod-shaped contact portion 34b is fixed to the lower end thereof. In addition, the fixing member 35 is the holder 33.
The lever 35b pivotally attached to the lever 35a and the latch ring 35b connected to the lever 35a.
The fixing arm 34 can be fixed to the lowered position by locking the locking protrusion 34a1 provided on the fitting insertion portion 34a of the fixed arm 34 and pushing down the lever 35b. A plurality of screw holes 32a into which the bolts 33a can be screwed are formed in the upper and lower portions of the support column 32. By selecting the screw holes 32a into which the bolts 33a are screwed,
The fixing position of the holder 33 can be adjusted up and down. Further, in FIGS. 3 and 5, only the right front wheel side stopper 20 and the rear wheel side stopper 30 are shown, but both stoppers 20 and 30 are symmetrical with respect to the center line L shown in each drawing. It is also provided on the left side.

In the vehicle-mounted fixed structure of the vehicle configured as described above, the electric wheelchair W1 is mounted in the carrier vehicle 1,
When fixing, the fixed arm 34 is moved to the release position (the position shown by the one-dot chain line in FIG. 5) where it does not interfere with the rear wheels H3, H4. This is the retaining ring 35b of the fixing member 35.
Is removed from the hooking protrusion 34a1 and the fixed arm 34 is moved upward and rotated.

Here, first, the front wheels H1 of the electric wheelchair W1
H2 is brought into contact with the bending member 23 and the side contact body 24 of the front wheel side stopper 20. At this time, the bending member 23 comes into contact with a position where the upper end portion 23c is above and in front of the center of the front wheels H1, H2, that is, the upper surface of the front portion (FIG. 4).
reference). Next, the rear wheel side stopper 30, which has been moved to the non-interference position, is moved up and down to rotate and the rear wheels H3, H4.
The position shown in the solid line in FIG. 5 is brought into contact with the position above and behind the center, that is, the rear upper surface. In this state, the retaining ring 35b of the fixing member 35 is fitted into the fitting insertion portion 3
4a, and the fixed arm 34 is firmly fixed by pushing down the lever 35a.

As a result, the front wheels H1 and H2 are prevented from moving forward and upward by the upper end portion 23c of the upper surface contact member 21 of the front wheel side stopper 20, and are moved laterally by the side surface contact body 24. (Including turning) is blocked. Further, in the rear wheels H3 and H4, the rear wheel-side stopper contact portions 34b prevent the rear wheels from moving rearward and upward. Therefore, the electric wheelchair W1 moves as a whole in the front-rear direction and upward, and is also prevented from moving in the steering direction, so that the electric wheelchair W1 is completely fixed on the lower surface portion 2b of the floor surface 2.

As described above, in the above-mentioned embodiment, since the actuator is not used at all, it can be constructed at a low cost, and the operation is performed by the front stopper 20.
The wheelchair is moved until the front wheels are brought into contact with the rear wheel, and the rear stopper 30 is held to rotate up and down, and then the rear stopper 3
Since it suffices to push down the lever 35a near 0,
Of course, when only the electric wheelchair W is mounted on the transport vehicle 1,
Even when the user is in an electric wheelchair, the fixing work can be performed very easily without taking an unnatural posture. Further, since each of the stoppers 20 and 30 does not interfere with a comparatively easily damaged portion such as a seat and only comes into contact with the wheels H1 to H4, the vehicle is not damaged when fixed. Further, vibrations and impacts during transportation can be alleviated by the men of the wheels H1 to H4. further,
In the above structure, the screw hole 32 into which the bolt 33a is screwed
By selecting "a" and adjusting the fixing position in the nozzle of the holder 33 up and down, it is possible to handle different wheelbases and treads of the electric wheelchair W1.

Next, a second embodiment of the present invention will be described with reference to FIG.
Through 11 will be described. 6 is an explanatory perspective view of the front wheel side stopper, FIG. 7 is an explanatory side view of what is shown in FIG. 6, FIG. 8 is an explanatory plan view of the rear wheel side stopper, and FIG. 9 is a rear wheel side shown in FIG. 10 is an explanatory perspective view of the stopper, FIG. 10 is an explanatory perspective view showing the stopper ring shown in FIG. 8, and FIG. 11 is an explanatory side view showing a fixed state of the rear wheel by the stopper body. In the second embodiment, a tricycle type electric wheelchair W2 having a single front wheel and two rear wheels is fixed.

6 and 7, in the front wheel side stopper 40 in the second embodiment, a fixing plate 41 fixed to the high surface portion 2a of the floor surface 2 of the transport vehicle 1 and the fixing plate 41 are provided. A fixed upper surface contact body (upper surface contact portion) 42 having a substantially U-shaped bent shape, a fixed plate 43 fixed to the lower surface portion 2b of the floor 2, and a right side of the center of the fixed plate 43. A right side contact body (side contact portion) 44, one end of which is fixed to the biased position and the other end of which is fixed to the right side portion 42a of the upper contact body 23, and the left side of the center of the fixing plate 42. One end is fixed at a position offset to the left end 42b.
And a left side contact body (side contact part) 45 fixed to. The space t10 between the left side end 42a and the right side ends 42b of the upper surface abutting body 42 is formed to be slightly wider than the width of the front wheel of the electric wheelchair, and the distance of the upper end 42c from the floor surface. The interval t20 is set to a value larger than the radius of the front wheel.

On the other hand, the rear wheel side stopper 50 is detachably installed on the left and right wheel houses 2c, 2c of the transport vehicle 1, and has a hollow cylindrical pipe 51 and can be moved forward and backward in the pipe 51. Engaging shaft (fixing member) 52 that can be inserted into and retracted from the left end portion, and the long hole 5 formed on the pipe 51 so as to project on the outer peripheral surface of the engaging shaft 52.
The knob 53 projects outward from 1a, and the compression spring 54 is press-fitted between one end of the engagement shaft 52 and a spring receiver 51b projecting from the inner surface of the pipe 51. The compression spring 54 urges the knob 53 fixed to the engagement shaft 52 so as to abut the left end portion of the elongated hole 51 a, and the knob 53 and the name are in contact with the left end portion of the hole 53. In, the engaging shaft 52 projects from the left end of the pipe 51.

Further, on the outer peripheral surface of the pipe 51, cylindrical rubbers 55 and 56 are provided at positions which can oppose the left and right rear wheels H20 and H30. The engaging shaft 5 is attached to the left and right wheel houses 2c, 2c.
2, and large-diameter insertion holes 2f, 2g for abutting the right end portion of the pipe 51 are formed.
The inner surface side opening of 2 g is covered with annular members 57 and 58. The insertion hole 57a of the annular member 57 has substantially the same diameter as the engaging shafts 52, and the insertion hole 58a of the annular member 58 has substantially the same diameter as the right end portion of the pipe. Further, the insertion holes 57b, 58b of the screws 59 for fixing the respective annular members 57, 58 are elongated holes, and the mounting position can be adjusted back and forth within the range of the elongated holes.

In the second embodiment constructed as described above, when the three-wheeled electric wheelchair W2 is mounted on the transport vehicle 1, the electric chair W2 is first moved forward to move the front wheel H10 to the front wheel side. Left and right side contact parts 4 of the stopper 40
It inserts between 4,45, and makes the front end contact the upper end 42c of the said front wheel side stopper. At this time, the rear wheel side stopper 50 is removed from the transport vehicle 1. Next, in this state, both ends of the rear wheel side stopper 50 are hooked on the left and right wheel houses 2c, 2c of the transport vehicle 1. This is the knob 5 protruding from the engagement shaft 53.
3, the engaging shaft 53 is moved to a position (release position) where it is retracted into the pipe 50 against the biasing force of the compression spring 54, and then the right end portion of the pipe 51 is inserted into the insertion hole 58a of the annular member 58. The knob 53 is inserted into the knob 53 so that the engaging shaft 52 opposes the through hole 57a of the annular member 57.
Do more than release. As a result, the engagement shaft 52 projects from the pipe and the insertion hole 5 of the annular member 57 is inserted.
The rear wheel-side stopper 40 is supported by the wheel house 2c of the transport vehicle 1 after being inserted through 7a.

The height t30 of the rear wheel side stopper 40 from the floor surface 2b is set to a value smaller than the radius of the rear wheel as shown in FIG. 11, and the rubber 55, 58 of the rear wheel side stopper 40 is set. From the upper end 42c of the front wheel side stopper 40
Is set to a value that is smaller than the distance from the front end of the front wheels to the rear end of the rear wheels and is larger than the center distance between both wheels. , 2c, the rubbers 55 and 56 provided on these support the rear upper surfaces of the left and right rear wheels. As a result, the front wheel H10 of the electric wheelchair W2 is prevented from moving upward, forward, and leftward and rightward (turning direction) by the upper end portion 42c of the front wheel-side stopper 40, and the rear wheel is the rubber 55 of the rear wheel-side stopper 50. The abutment with 56 prevents upward and backward movement. Therefore, the electric wheelchair W2 is firmly fixed to the upper surface of the carrier vehicle 10.

In the above embodiment, since the mounting position of the annular member 58 can be adjusted in the front-rear direction, when the diameters of the rear wheels H20 and H30, the tread, the wheel base, etc. are changed. Also, by adjusting the mounting position, the rear wheel side stopper 50 can be appropriately brought into contact with the rear wheel, and the electric wheelchair can be reliably fixed. In each of the above embodiments, an electric wheelchair has been described as an example of a vehicle mounted on a vehicle, but the present invention is also applicable to vehicles other than an electric wheelchair, and is not limited to a vehicle in which the front wheels can turn. It can also be applied to a vehicle in which the rear wheels can turn. In this case, the side contact portion may be provided on the rear wheel side, and the present invention is not particularly limited to the above embodiment.

[0027]

As described above, according to the in-vehicle device for a vehicle according to the present invention, the front wheel and the rear wheel are transferred every other day by using the front wheel side stopper and the rear wheel side stopper which do not use an actuator and which are inexpensive. The knob can be fixed on the floor surface, and the fixing operation can be performed very easily by only operating a fixing member provided on one of the stoppers. In addition, since both stoppers have a structure in which they come into contact with the wheels only, there is no fear that the vehicle mounted will be damaged. Furthermore, vibrations and shocks during transportation are mitigated by the elastic force of the wheel knobs, so a stable fixed state is obtained, and when the passenger is in a vehicle mounted on the vehicle, excellent comfort and safety for the passenger are obtained. You can get sex. Furthermore, if the position of the stopper can be adjusted, it is possible to cope with the difference in the diameter of the vehicle wheel to be mounted, the wheel base, and the tread.

[Brief description of drawings]

FIG. 1 is an explanatory side view showing a schematic configuration of a first embodiment of the present invention.

2 is an explanatory perspective view showing an electric wheelchair applied to the one shown in FIG. 1. FIG.

FIG. 3 is an explanatory perspective view showing a front wheel side stopper shown in FIG. 1.

FIG. 4 is an explanatory side view of what is shown in FIG.

FIG. 5 is an explanatory perspective view showing a rear wheel side stopper.

FIG. 6 is an explanatory perspective view of a front wheel side stopper according to the second embodiment of the present invention.

FIG. 7 is an explanatory side view of what is shown in FIG.

FIG. 8 is an explanatory plan view showing a rear wheel side stopper.

9 is an explanatory perspective view of the rear wheel side stopper shown in FIG.

FIG. 10 is an explanatory perspective view showing the annular member shown in FIG.

FIG. 11 is an explanatory side view showing a fixed state of the rear wheel by the stopper body.

FIG. 12 is an explanatory perspective view showing a conventional vehicle-mounted fixing device for a vehicle.

[Explanation of symbols]

 H1, H2 Front wheels H3, H4 Rear wheels W1 Electric wheelchair (vehicle to be mounted) 1 Transport vehicle 2 Floor 2c Trunk room 20 Front wheel side stopper 23 Top contact body (top contact part) 24 Side contact body (side contact) 30) Rear wheel side stopper 32 Strut 34b Abutment section 35 Fixing member H10 Front wheel H20, H30 Rear wheel W2 Electric wheelchair (vehicle to be mounted) 40 Front wheel side stopper 42 Top contact body (upper surface contact section) 44 Right side surface Contact body (side contact portion) 45 Left side contact body (side contact portion) 50 Rear wheel side stopper 52 Engaging shaft (fixing member)

Claims (3)

[Claims] 1. A vehicle mounting structure for fixing a vehicle having front wheels and rear wheels, one wheel of which is capable of turning about a substantially vertical axis, into a vehicle body of a predetermined transport vehicle. And a front wheel side stopper having an upper surface abutting portion that abuts on a front upper surface of the front wheel and restricts forward movement of the front wheel, and an upper surface abutting restricting rearward movement that abuts on a rear upper surface of the rear wheel. A rear wheel side stopper having a portion is attached to the inside of the vehicle body of the transportation vehicle, and the contact portion of at least one of the rear wheel side stopper and the front wheel side stopper is a contact position with the wheel and a contact position from the contact position. The set position can be changed to the separated release position, and the side contact portion that comes into contact with the side surface of the wheel that can turn around the vertical axis is fixed to either the rear wheel side stopper or the front wheel side stopper. , One of the stoppers The front and rear wheels are fixed in the vehicle body of the vehicle by contacting the other wheels and setting the other stopper at the release position to the contact position with the other wheel. Vehicle-mounted fixed structure. 2. The front wheel side stopper includes an upper surface abutting portion that abuts on an upper surface of a front wheel that can turn about a vertical axis and a side surface abutting portion that can abut on a side surface, while the rear wheel side stopper includes: The vehicle-mounted fixing of the vehicle according to claim 1, further comprising an upper surface abutting portion capable of abutting on a rear upper surface of a rear wheel that cannot turn around a vertical axis, and whose position can be adjusted along the front-rear direction. Construction. 3. The rear wheel side stopper is provided with two pillars protruding from both left and right sides inside a vehicle body of a transport vehicle and with a rear upper surface of the rear wheel provided so as to be vertically movable and rotatable along the pillars. 3. A detachable contact member and a fixing member for fixing the contact member at a contact position with a rear wheel are provided.
In-vehicle fixed structure for the vehicle described.