JPH10315147A - Right angular wrench - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a right angular wrench to be used in changing of oil of a motorcycle and an automobile. SOLUTION: In a right angular wrench 1e composed of a transmitting part 20 provided with a rotational member 14c and a cover, and a shaft part 20 provided with a gripping part, a grip, a slide plate 21 provided with a slide hole 21a formed of a circular hole part 21b and an elongated hole part 21c is attached to the transmitting part 20 so as to be slid. A plurality of fitting grooves are formed on the back surface of the slide plate 21, and a spherical body 27 capable of being vertically moved by a spring is provided on the cover.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a right-angle wrench used for attaching and detaching an engine oil outflow prevention bolt when exchanging oil for a motorcycle, an automobile or the like.

[0002]

2. Description of the Related Art There has been a conventional right-angle driver used only for screws, such as a right-angle driver described in Japanese Utility Model Application Laid-Open No. 59-8772. Further, as described in Utility Model Application Publication No. 59-8772, a driver having a structure in which an engaging portion at the tip of an auxiliary shaft is engaged with a head of a screw to rotate the screw.
It is. Since the engaging portion at the distal end is fixed, the engaging portion is inserted into the engaging groove formed in the head of the screw only at a fixed angle, and the screw is tightened or removed.

[0003]

However, there has been no right-angle driver for use in oil changes for motorcycles, automobiles and the like. If the right-angle driver described in Japanese Utility Model Application Publication No. 59-8772 is used for changing the oil of a motorcycle or an automobile, the location where the engine is mounted is extremely complicated. However, there is a drawback that it is difficult to attach the engine oil outflow prevention bolt for oil replacement and to remove the engine oil outflow prevention bolt.

According to the present invention, when exchanging oil for a motorcycle or a motor vehicle, even if the location of an attached oil outflow prevention bolt is extremely complicated, the oil outflow prevention tightening is easily and surely performed. It is an object of the present invention to provide a right-angle wrench that can be fitted to and detached from a bolt.

[0005]

According to the present invention, there is provided a right-angle wrench comprising a shaft and a grip provided with a transmitting portion having a rotating member and a cover, a grip portion, and a grip portion. A right angle wrench characterized in that a slide plate having a slide hole formed of a hole is slidably mounted, and a plurality of fitting grooves are formed on the back surface of the slide plate, and the cover is made movable up and down by a spring. A right-angle wrench having a sphere is provided.

[0006]

Next, the present invention will be described with reference to the drawings. FIG. 1 is the present invention.

Next, a right-angle wrench according to the present invention will be described with reference to the drawings. FIG. 1 is a front view of a first embodiment of a right-angle wrench according to the present invention, and FIG. 2 is a plan view of the first embodiment of a right-angle wrench according to the present invention.

The right-angle wrench 1 according to the present embodiment has a shaft 2
Is composed of a shaft case 2a, a prevention plate 2c movably attached to the shaft case 2a, and a grip portion 2d fixed to the rear of the shaft case 2a. At the tip of the shaft case 2a, there is a conducting portion 2b, on which a rotating body 3 is mounted at right angles to the shaft case 2a.

The rotating body 3 comprises a fitted member 3a, a coil spring 3b, and a rotating member 3c. Coil spring 3
Since b is used, the fitting member 3a fixed on the upper part of the coil spring 3b moves freely as shown by the arrow. That is, it moves in any direction of 360 degrees.

Reference numeral 2e indicates a grip. Generally, when the grip portion 2d is gripped and fixed with the left hand, the grip 2e is gripped with the right hand, and rotated clockwise or counterclockwise, the fitted member 3a of the rotating body 3, the coil spring 3b, etc. Rotate or rotate right. Reference numeral 2c denotes a prevention plate, which prevents the oil from flowing down to the left hand and the right hand grasping the grip portion 2d when changing the oil.

FIG. 3 is a partially enlarged sectional view of a first embodiment of a right-angle wrench according to the present invention. A bevel gear 2h is provided at the tip of a shaft 2g housed in a shaft case 2a.
Are formed. The bevel gear 2h and the bevel gear 3d formed on the rotating member 3c mesh with each other, and the shaft 2
g is transmitted to the rotating member 3c as it is, and the coil spring 3b fixed to the rotating member 3c and the fitting member 3a
The detachable member 4 in which the fitting groove 4b is formed also rotates at the same time.

A fitting groove 4b is formed inside the attaching / detaching member 4 for fitting a head portion of a tightening bolt screwed into the engine at the time of oil change, and a bottom of the fitting groove 4b is formed. Magnet 4
a is provided. Thus, the provision of the magnet 4a at the bottom of the fitting groove 4b can prevent the fastening bolt screwed to the engine from falling.

FIG. 4 is a front view of a detachable member fitted to the first embodiment of the right-angle wrench of the present invention, and FIG. 5 is a plan view of the detachable member attached to the first embodiment of the right-angle wrench of the present invention. It is.

A fitting groove 4b formed in the main body 4
Is a square-shaped groove. FIG. 4 shows a state where the magnet 4a is provided at the bottom of the fitting groove 4b, but the magnet 4a may not be provided at the bottom of the fitting groove 4b.

FIG. 6 is a plan view of another embodiment of the detachable member to be attached to the first embodiment of the right-angle wrench according to the present invention. The shape of the fitting groove 5b formed in the detachable member 6 is 6. It is formed in a square shape. FIG. 6 shows a state where the magnet 5a is provided at the bottom of the fitting groove 5b, but the magnet 5a may not be provided at the bottom of the fitting groove 5b.

FIG. 7 is a plan view of another embodiment of the fitting member to be attached to the right-angle wrench according to the present invention. The shape of the fitting groove 5b formed in the main attaching / detaching member 6 is octagonal. Have been. FIG. 7 shows a state in which the magnet 6a is provided at the bottom of the fitting groove 6b, but the magnet 6a is provided at the bottom of the fitting groove 6b.
May not be provided.

FIG. 8 is a plan view of another embodiment of the fitting member to be attached to the right-angle wrench according to the present invention. The shape of the fitting groove 7b formed in the attaching / detaching member 7 is a decagonal shape. Have been. FIG. 8 shows a state in which the magnet 7a is provided at the bottom of the fitting groove 7b.
a may not be provided.

FIG. 9 is a front view of a second embodiment of the right-angle wrench according to the present invention. The right-angle wrench 8 of this embodiment is a shaft composed of a shaft case 9a and a prevention plate 9c attached to the shaft case 9a. It comprises a holding portion 9d fixed to the rear portion of the shaft 9 and the shaft case 9a. In the right-angle wrench 1a of this embodiment, a coil spring 10 having a fitting member 11 mounted on the upper end is rotatably mounted on a shaft case tip 9b formed at a substantially right angle.

FIG. 10 shows a second embodiment of the right-angle wrench according to the present invention.
FIG. 4 is a partial longitudinal sectional view of the embodiment, in which a rotary coil spring 12 fixed to a grip portion 9e is provided in a shaft case 8a.
Is stored, and the tip of the rotary coil spring 12 is connected to the rotary member 10a to which the fitting member 11 is fixed at the upper part. When the grip 9e is rotated, the fitting member 11 rotates. The detachable members 4, 5, 6, and 7 are attached to the fitting member 11.

FIG. 11 is a front view of a third embodiment of the right-angle wrench of the present invention, FIG. 12 is a plan view of the third embodiment of the right-angle wrench of the present invention, and FIG. 13 is a right-angle wrench of the present invention. It is a partial longitudinal section of a 3rd example. Right-angle wrench 1 of this example
b is the shaft portion 13 as shown in FIGS.
The shaft case 13a includes a shaft case 13a, a prevention plate 13c movably attached to the shaft case 13a, and a grip portion 13bd fixed to a rear portion of the shaft case 13a.

At the end of the shaft case 13a, there is provided a transmitting portion 14 comprising a case 14a and a rotating member 14c, and the rotating member 14c is mounted at a right angle to the case 14a of the transmitting portion 14. Reference numeral 14d is a holding plate for holding the rotating member 14c so as not to swing, and reference numeral 14e is a set screw for fixing the cover 14b to the case 14a.

As shown in FIG. 13, a sphere 14f is attached to the rotating member 14c, and a bevel gear 14g is formed at the lower end of the rotating member 14c. The fitting member 4 shown in FIGS. 4 to 8 is fitted to the rotating member 14c.

The spherical body 14f is provided with various fitting members 4
Is a sphere for locking the fitting member 4 so as not to come off from the rotating member 14c while the rotating member 14c is rotating when the member is attached to the rotating member 14c.

In the shaft case 13a, a bevel gear 15a is formed at the tip, but the rotating shaft 15 is inserted. The gear 15a formed at the tip has teeth on the bevel gear 14g of the rotating member 14c. Combined, rotating shaft 1
5 is transmitted to the rotating member 14c and the rotating member 14c
Rotates.

When the right-angle wrench 1b of this embodiment is used, the grip 13b is firmly gripped and fixed with the left hand, and the grip 1
When 3d is gripped with the right hand and rotated clockwise or counterclockwise, the rotating shaft 1 inserted in the shaft case 13a is rotated.
5 rotates, and the rotation rotates the rotating member 14c by the bevel gears 14g and 15a.

Reference numeral 13c denotes a prevention plate.
3c is a left hand and a grip 1 which are used to allow the oil to flow when the engine oil is exchanged and to squeeze the grip 13b.
This is to prevent the water from flowing down to the right hand holding the 3d and burning both hands.

FIG. 14 is a perspective view of a transmitting portion of a fourth embodiment of the right-angle wrench of the present invention, FIG. 15 is a longitudinal sectional view of a transmitting portion of the fourth embodiment of the right-angle wrench of the present invention, and FIG. It is a perspective view of the transmission part of the 4th embodiment of the right angle wrench of the invention.

In the right-angle wrench 1c of this embodiment, as shown in FIGS. 14 and 15, the transmission part 14 of the right-angle wrench 1 shown in FIGS. 11, 12 and 13 is replaced by the rotating member 14c of the transmission part 14. This is a right-angle wrench 1c having a structure housed in a case 16a of a case 16 having an opening 16b formed so as to protrude therefrom. The opening 16b includes a large opening 16c and a small opening 16d.

As described above, by adopting the structure in which the case 16 is attached to the transmission portion 14, first, the engine oil outflow prevention bolt firmly fastened and fixed to the engine can be loosened. Next, the loosened engine oil outflow prevention bolt can be easily and quickly removed. Reference numeral 16e denotes a shaft case 1.
This is an insertion hole for loosely inserting 3a.

As shown in the vertical sectional view of FIG.
Numeral 4 is accommodated in the case 16a so as to be freely movable in the left and right directions as indicated by the arrow. The rotating member 14c also has a large opening 16c and a small opening 16d of the opening 16b.
Can be moved freely.

First, when loosening the firmly tightened engine oil outflow prevention bolt, as shown in FIG.
is moved to the small opening 16d of the large opening 16b, the engine oil outflow prevention bolt is fitted to the fitting member 4, and the right-angle wrench 1c is rotated while holding the grip 13b and the grip 13d. This loosens the engine oil outflow prevention bolt firmly screwed into the engine unit.

As shown in FIG. 16, when the rotating member 14c is moving to the small opening 16d, the rotating member 14c itself cannot rotate. When the loosened engine oil outflow prevention bolt is removed from the engine part, as shown in FIGS. 14 and 15, the rotating member 14c is used.
Is moved to the large opening 16c of the opening 16b, and the grip 13d is rotated while the grip 13b is fixed with the left hand to easily remove the loosened engine oil outflow prevention bolt from the engine. You can do it.

FIG. 17 is a longitudinal sectional view of a transmitting part of a fifth embodiment of the right-angle wrench of the present invention, and FIG. 18 is a longitudinal sectional view of a transmitting part of a fifth embodiment of the right-angle wrench of the present invention. In the right-angle wrench 1d of the present example, the mounting groove 17
a, a spring 18 is mounted in the mounting groove 17a, and a sphere 19 is inserted. And 16 in the case
The front fitting groove 16 into which the sphere 19 is fitted is provided on the bottom
h and a rear fitting groove 16i are formed.

As shown in FIG. 17, the transmission section 14 is
When the ball 19 is located at the rear portion 16g of the inside 16a, the sphere 19 is fitted into the rear fitting groove 16i. Then, as shown in FIG. 18, when the transmitting portion 14 moves to the front portion 16f of the inside 16a of the case, the sphere 19 is fitted into the front fitting groove 16h. Right angle wrench 1, 1a, 1b, 1
c and 1d are used by attaching the fitting member 4 shown in FIGS.

FIG. 19 is a front view of a sixth embodiment of the right-angle wrench of the present invention, and FIG. 20 is the sixth embodiment of the right-angle wrench of the present invention.
It is a top view of an example. The right-angle wrench 1 of the present example has a structure in which the slide plate 21 is attached to the transmission portion 20b. Reference numeral 20 denotes a shaft, reference numeral 20a denotes a shaft case.
Reference numeral 20b indicates a transmission unit, reference numeral 20c indicates a prevention plate, and reference numeral 2
0d indicates a grip portion, and reference numeral 20e indicates a grip.

FIG. 21 is a left side view of a sixth embodiment of the right-angle wrench according to the present invention, and FIG. 22 is a sixth view of the right-angle wrench according to the present invention.
It is an expansion front view of an example. Left and right slide grooves 20g and 20h are formed below the cover 20 in the upper part of the transmission portion 20b, and left and right engagement members formed in the left and right slide grooves 20g and 20h to protrude inward at the left and right ends of the slide plate 21. The joints 21e and 21f are slidably engaged. Reference numeral 21d indicates a ridge.

FIG. 23 is an enlarged plan view of a sixth embodiment of the right-angle wrench according to the present invention, showing a state where the slide plate is not slid, and FIG. 24 is a plan view showing a state where the slide plate is slid in the direction of the arrow. is there. The slide plate 21 is slidably attached below a flange 23 formed below the rotating member 22. The slide plate 21 has a slide hole 21a formed therein.
Is composed of a circular hole 21b and a long hole 21c.

FIG. 25 is a longitudinal sectional view taken along line AA in FIG. 23, and FIG. 26 is a longitudinal sectional view taken along line BB in FIG. FIG. 25 shows a case where the slide plate 21 is located on the transmission section 20b.
Does not rotate even if the grip 20e is rotated. If the rotation member 22 is in the long hole portion 21c,
Rotation becomes impossible.

However, as shown in FIG. 26, when the rotary member 22 is slid in the direction of the arrow, the rotating member 22 is in the circular hole 21b of the slide hole 21a formed in the slide plate 21, so that the grip 20e is rotated. And the rotating member 22
Also rotate. Reference numeral 22a denotes a sphere, reference numeral 22b denotes a gear, reference numeral 23 denotes a flange, reference numeral 24 denotes a rotating shaft, and reference numeral 24a denotes a gear. The gear 22b and the gear 24a mesh with each other, and the rotating force of the rotating shaft 24 causes the rotating member 22 to rotate.

FIG. 27 is a partial longitudinal sectional view taken along line CC of FIG. 23, and FIG. 28 is a partial longitudinal sectional view taken along line DD of FIG. In the right-angle wrench 1f of the present embodiment, a front fitting groove 21g and a rear fitting groove for fitting a sphere 25 provided on the back surface of the slide plate 21 so as to move up and down by a spring 26 on a cover 20f. 21h are formed.

When the slide plate 21 is at the position shown in FIG. 27, the sphere 25 is fitted into the front fitting groove 21g. When the slide plate 21 is at the position shown in FIG. 28, the sphere 25 is fitted in the rear fitting groove 21h. like this,
With the structure, the slide plate 21 can be
It can be left in place.

[0042]

Since the present invention is an apparatus having the above-described structure, the following special effects can be obtained. First, by using the right-angle wrench according to the present invention, a high temperature can be obtained. When the engine oil is changed, the hand is not burned, and the hand is not stained by the engine oil. Secondly, even if the oil replacement bolt is located in a place where the hand cannot be reached at the time of oil replacement, the oil replacement bolt can be extremely easily fitted to the head of the engine oil leakage prevention bolt, and Can be removed and can be attached to the original location. Thirdly, it is possible to prevent the outflowing engine oil from flowing to the handle and the grip when the engine oil outflow prevention bolt is removed.

[Brief description of the drawings]

FIG. 1 is a side view of a first embodiment of a right-angle wrench according to the present invention.

FIG. 2 is a plan view of a first embodiment of a right-angle wrench according to the present invention.

FIG. 3 is a partially enlarged sectional view of a first embodiment of the right-angle wrench according to the present invention.

FIG. 4 is a front view of a fitting member attached to the right-angle wrench according to the present invention.

FIG. 5 is a plan view of a fitting member attached to the right-angle wrench according to the present invention.

FIG. 6 is a plan view of another embodiment of the fitting member attached to the right-angle wrench according to the present invention.

FIG. 7 is a plan view of another embodiment of the fitting member attached to the right-angle wrench according to the present invention.

FIG. 8 is a plan view of another embodiment of the fitting member attached to the right-angle wrench according to the present invention.

FIG. 9 is a front view of a right-angle wrench according to a second embodiment of the present invention.

FIG. 10 is a longitudinal sectional view of a right-angle wrench according to a second embodiment of the present invention.

FIG. 11 is a front view of a third embodiment of a right-angle wrench according to the present invention, and a partial longitudinal sectional view of the embodiment.

FIG. 12 is a plan view of a right-angle wrench according to a third embodiment of the present invention.

FIG. 13 is a partial longitudinal sectional view of a third embodiment of the right-angle wrench according to the present invention.

FIG. 14 is a perspective view of a transmission unit of a right-angle wrench according to a fourth embodiment of the present invention.

FIG. 15 is a longitudinal sectional view of a transmission unit of a right-angle wrench according to a fourth embodiment of the present invention.

FIG. 16 is a perspective view of a transmission unit of a right-angle wrench according to a fourth embodiment of the present invention.

FIG. 17 is a longitudinal sectional view of a transmission unit of a right-angle wrench according to a fifth embodiment of the present invention.

FIG. 18 is a vertical sectional view of a transmission unit of a right-angle wrench according to a fifth embodiment of the present invention.

FIG. 19 is a front view of a right-angle wrench according to a sixth embodiment of the present invention.

FIG. 20 is a plan view of a right-angle wrench according to a sixth embodiment of the present invention.

FIG. 21 is a left side view of a sixth embodiment of the right-angle wrench according to the present invention.

FIG. 22 is an enlarged front view of a right-angle wrench according to a sixth embodiment of the present invention.

FIG. 23 is an enlarged plan view of a right-angle wrench according to a sixth embodiment of the present invention.

FIG. 24 is a plan view of a sixth embodiment of the right-angle wrench according to the present invention, in which a slide plate is slid.

FIG. 25 is a partial longitudinal sectional view taken along line AA in FIG. 23;

FIG. 26 is a partial longitudinal sectional view taken along line BB in FIG. 24;

FIG. 27 is a partial longitudinal sectional view taken along line CC in FIG. 23;

FIG. 28 is a partial vertical sectional view taken along line DD in FIG. 23;

[Explanation of symbols]

 1 to 1e Right-angle wrench 2 Shaft 2a Shaft case 2b Conductor 2c Prevention plate 2d Grip 2e Grip 2f Shaft 2g Shaft 2h Gear 3 Rotator 3a Fitting member 3b Coil spring 3c Rotating member 4 Detachable member 4a Magnet 4b Fitting Mounting groove 5 Detachable member 5a Magnet 5b Fitting groove 6 Detachable member 6a Magnet 6b Fitting groove 7 Detachable member 7a Magnet 7b Fitting groove 8 Right angle wrench 9 Shaft portion 9a Shaft case 9b Shaft case tip 9c Prevention plate 9d Holding Part 9e Grip part 10 Coil spring 10a Rotating member 11 Fitting member 12 Coil spring 13 Shaft part 13a Shaft case 13b Gripping part 13c Prevention plate 13d Grip 14 Transmission part 14a Case 14b Cover 14c Rotating member 14d Holding plate 14e Set screw 14f Spherical 14g Gear 15 Rotating shaft 15a Gear 16 Case 16a Inside case 16b Opening 16c Large opening 16d Small opening 16e Insertion hole 16f Front 16g Rear 16h Front fitting groove 16i Rear fitting groove 17 Bottom 17a Mounting groove 18 Spring 19 Sphere 20 Shaft part 20a Shaft case 20b Transmission part 20c Prevention plate 20d Grip part 20e Grip 20f Cover 20g Left slide groove 20h Right slide groove 21 Slide plate 21a Slide hole 21b Round hole 21c Long hole 21d Projection 21e Left engaging portion 21f Right engaging portion 21g Front fitting groove 21h Rear fitting groove 22 Rotating member 22a Spherical member 22b Gear 23 Flange 24 Rotating shaft 24a Gear 25 Spherical member 26 Spring

Claims (2)

[Claims] 1. A right-angle wrench comprising a shaft and a grip having a transmitting portion having a rotating member and a cover, a grip portion provided with a grip portion, and a slide hole comprising a circular hole portion and an elongated hole portion formed in the transmitting portion. A right-angle wrench characterized in that a set slide plate is slidably mounted. 2. The right-angle wrench according to claim 1, wherein a plurality of fitting grooves are formed on the back surface of the slide plate, and a sphere that is vertically movable by a spring is provided on the cover.