JPH0752058A - Oil filter wrench - Google Patents

Abstract

PURPOSE:To facilitate mounting and dismounting of an oil filter by providing a band holder on a winding body having a wrench fitting hole, stoppedly fitting the base end of a tightening band winding and tightening the outer circumferential face of the oil filter, and locking the other end with the winding body. CONSTITUTION:A band holder 1 is provided on a winding body 4 having a wrench fitting hole, the base end of a tightening band 6 winding and tightening the outer circumferential face of an oil filter (a) is stoppedly fitted to the band holder 1, and the other end is locked with the winding body 4. The tightening band in hoop-like state is fitted to the barrel part of the oil filter (a), a wrench is inserted into the wrench fitting hole and when the upper part is rotated anticlockwise by means of a ratchet handle for example, the other end side of the tightening band 6 is wound up, and the barrel part of the oil filter (a) is tightened and fixed in order by means of the tightening band 6. Further when the ratchet handle is turned, the oil filter (a) main body is rotated, and the oil filter (a) is dismounted from the engine.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an oil filter wrench used for removing or installing an oil filter from an engine.

[0002]

2. Description of the Related Art Since an oil filter for an automobile has a cylindrical body with a relatively large diameter, it cannot be directly tightened with a normal tool, and the body is formed of a thin steel plate. Therefore, a large torque cannot be applied locally.When removing this, tie a rope or short link chain etc. to the body and rotate it with a turning tool, or use a ring-shaped link wrench on the body of the oil filter. It uses a wrench that fits on the and reduces the diameter of the ring-shaped link by link motion.

However, in the engine room of an automobile, the space has recently become very small, and in order to loosen or tighten the screw part of the oil filter, the space where the handle can be turned by putting these tools on the body part of the oil filter is narrow. Removing and installing the oil filter was a difficult task.

The present invention solves this problem, and provides an oil filter wrench which can easily remove and install an oil filter of an automobile.

[0005]

The gist of the present invention will be described with reference to the accompanying drawings.

The band holder 1 is provided on the winding body 4 having the wrench fitting hole 3, and the base end of the tightening band 6 which is wound around the outer peripheral surface of the oil filter a and fastened is fixed to the band holder 1. The oil filter wrench is characterized in that the other end is locked to the winding body 4.

Further, both ends of a tightening band 7 which is wound around the outer peripheral surface of the oil filter a and tightened are fixed in a joined state to form a joined portion, and a wrench fitting hole 8 is provided at the joined portion. The present invention relates to an oil filter wrench, which is provided with an attachment body 9.

Further, both ends of a tightening band 7 which is wound around the outer peripheral surface of the oil filter a and tightened are fixed in a joined state to form a joined portion, and a wrench fitting hole 8 is provided at the joined portion. A take-up body 9 is additionally provided, and a protective abutting plate is provided so as to project in a wing shape in the left-right direction with respect to the joining part between the joining part and the winding body 4 so that the circular surface abuts the outer peripheral surface of the oil filter. The present invention relates to an oil filter wrench.

[0009]

The operation of claim 1 will be described.

A ring-shaped tightening band 6 is fitted onto the body of the oil filter a, a wrench is inserted into the wrench fitting hole 3, and the upper portion thereof is counterclockwise as shown in FIG. 1 with a ratchet handle, for example. When turned, the other end of the tightening band 6 is taken up by the winding body 4, and the tightening band 6 sequentially tightens and fixes the body of the oil filter a. Therefore, by further turning the ratchet handle counterclockwise. The main body of the oil filter a rotates, and the oil filter a can be removed from the engine.

When the oil filter a is attached to the engine, the oil filter a can be temporarily tightened to the engine by hand, and the ratchet handle can be rotated in the clockwise direction to screw the oil filter a into the engine.

The operation of claim 2 will be described.

When the tightening band 7 is fitted onto the body of the oil filter a, the wrench is inserted into the wrench fitting hole 8 and the upper part thereof is rotated counterclockwise as shown in FIG. Since the joint portion of the tightening band 7 serves as a core and the tightening band 7 near the joint portion is wound around the winding body 9, the successive tightening band 7 tightens and fixes the body portion of the oil filter a. By rotating the ratchet handle counterclockwise, the main body of the oil filter a rotates and the oil filter a can be removed from the engine.

When the oil filter a is attached to the engine, the oil filter a is manually tightened to be temporarily attached to the engine, and the ratchet handle is turned clockwise in the opposite direction to screw the oil filter a to the engine.

The operation of claim 3 will be described.

Similar to the above, the tightening band 11 is fitted onto the body of the oil filter a, the inner surface of the protective contact 17 of the tightening band 11 is brought into contact with the outer peripheral surface of the body of the oil filter a, and the wrench is inserted. When a wrench is inserted into the hole 12 and the upper part thereof is turned counterclockwise as described above by using a ratchet handle, for example, the joint portion of the tightening band 17 serves as a core and the tightening band 11 near the joint portion is formed.
Is wound around the winding body 16, and the oil filter a is formed by the inner surface of the protection pad 17 protruding in the shape of left and right wings and the tightening band 11.
The body part of is fixed and tightened one after another, and the oil filter a can be removed from the engine by further rotating it counterclockwise with the ratchet handle.

When the oil filter a is attached to the engine, the oil filter a is temporarily tightened to the engine by hand and the ratchet handle is turned clockwise in the opposite direction to screw the oil filter a in the same manner as described above.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The drawings show a preferred embodiment of the present invention, and FIGS. 1 to 3 show an embodiment according to claim 1 and FIG.
FIG. 5 shows an embodiment according to claim 2, and FIGS. 6 and 7 show claim 3.
1 illustrates the described example.

An embodiment according to claim 1 will be described.

A bottom plate 5 of a channel-shaped band holder 1 having an opening 1 ′ facing outward is formed into an arc surface, and windings having wrench fitting holes 3.3 at both ends of upper and lower opposite side plates 2.2. The body 4 is rotatably attached to the shaft, bolt pins 13 and pins 14 are installed on the left and right sides of the opposite side plates 2 and 2, and the bolt pin 13 is wound around the outer peripheral surface of the body of the oil filter a to tighten the frictional force. A large thin steel belt, a rubber band with wires, a belt made of rubber or leather, or a timing belt for scrapped automobiles. Band 6 with
The other end is locked and fixed to the winding body 4. In the figure, this tightening band 6 is replaced every 100,000 km while running, and the scraps of automobile timing belts that prevent the cutting of the belt are shredded and recycled, and the toothed step portion of this timing belt is used inside. Then, the base end is wound around the bolt pin 13 from above and bent inward, and the toothed step portions of the timing belt are brought into contact with each other and fixed by rivets, and the other end of the timing belt is attached to the shaft of the winding body 4. An abutment plane of the timing belt is formed in the central portion, the other end of the timing belt is placed on the abutment plane, and a pressing plate 15 is abutted on the abutment plane and is secured by a bolt or the like. Further, in order to prevent contact damage to the oil filter a on the lower surface of the bottom plate 5 of the winding body 4 and to prevent the timing belt from being rewound by the repulsive force of the timing belt itself when the timing belt is clamped and fixed. ,
Locking step part that meshes with the toothed step part of the timing belt at the right end
An elastic locking band 16 provided with 16 '(only one toothed step portion of the timing belt is left) is attached.

Since the embodiment of claim 1 is configured as described above, the tightening band 6 is fitted on the body of the oil filter a, the wrench is inserted into the wrench fitting hole 3, and the ratchet handle is rotated. After the body portion of the oil filter a is clamped and fixed by the tightening band 6, the ratchet handle is further rotated to remove and attach the oil filter a. Further, when the ratchet handle is rotated to tighten and fix the body of the oil filter a with the tightening band 6, and when the ratchet handle is further rotated, the toothed step portion of the timing belt is supple in the body of the oil filter a. Since the main body of the oil filter a is rotated by being pressed against and is not slipped, the oil filter a can be removed and attached.

An embodiment according to claim 2 will be described.

The drawing illustrates a case where a scrapped automobile timing belt is used as the tightening band 7 for winding and tightening the outer peripheral surface of the oil filter a, as in the first embodiment. In the embodiment shown in FIG. 4, the toothed step portion of the timing belt is placed inside and both ends thereof are meshed into contact with each other by utilizing the toothed step portion of the timing belt, and the both end portions are After having been fitted into the winding body 9 having a wrench insertion hole 8 in the center and forming the abutment plane of the timing belt, the fastening plate 10 is fitted and the winding body 9 and the fastening plate 10 are fitted with the bolts 12. Form the timing belt so that it fits tightly.

Further, as shown in FIG. 5, both ends of the tightening band 7 are overlapped with each other to form the tightening band 7 in a ring shape, and the winding body having the overlapping part of the tightening band 7 and the wrench fitting hole 8 is formed. 9'and 9'may be fixed by a countersunk bolt to form an oil filter wrench.

Since the embodiment of claim 2 is constructed as described above, as in the case of the embodiment of claim 1, the tightening band 7 is fitted on the body of the oil filter a and the wrench fitting hole 8 is wrench fitted. Insert the, rotate the upper part with the ratchet handle, tighten the body part of the oil filter a with the tightening band, and rotate the ratchet handle. Since the main body of the oil filter a is pivotally pressed against the body and rotates without slipping, the oil filter a can be removed and attached.

In this embodiment, as the tightening band 7, scraps of the automobile timing belt are used by being cut into small pieces, but a rubber band containing a wire, a belt formed of rubber, leather or the like may be used.

An embodiment according to claim 3 will be described.

The embodiment shown in FIGS. 6 and 7 shows the case where the tightening band 11 for winding and tightening the outer peripheral surface of the oil filter a is used as an oil filter wrench for the automobile timing belt, which has been scrapped as described above. With the toothed stepped portion of the timing belt inside, both ends of the toothed stepped portion of the timing belt are engaged and brought into contact with each other using a toothed stepped portion of the timing belt, and the engaged joint portion is wrench fitted. The winding body (16) having the hole (12) and the fastening plate (18) are stuck together. Further, a triangular concave-convex groove is provided on the contact surface between the winding body 16 and the timing belt of the fastening plate 18 that come into contact with this joint, and the fastening band is tightened by tightening the fastening bolt 19.
11 joints are provided by a fastening plate 18 so as to be firmly attached to the winding body 16.

The front and rear shaft-attaching portions 16 'of the winding body 16 with the tightening band 11 sandwiched between the front and rear two side plates 1 of the protection pad 17.
The central shaft mounting hole of 7'is fitted and the left and right ends of the protection plate 17 are provided so as to be vertically slidable with respect to the winding body 16, and the side plate 17 'is projected like a wing in the left and right direction from the center of the side plate 17'. The bottom plate 1 which is installed on the inner surface of the side plate 17 'and contacts the outer peripheral surface of the body of the oil filter a.
7 "is attached. The bottom plate 17" is formed with a curved shape near the central shaft attachment hole toward the outside, and a square opening is provided on the bottom plate 17 "near the central shaft attachment hole. The elastic strip 20 is fixed to the bottom plate 17 ", which is closer to the bottom plate 17", with a rivet or an adhesive.

When the tightening band 11 is wound by rotating the winding body 16 on the left and right upper portions of the left and right side plates 17 'of the protection plate 17, a guide serving as a winding guide for the tightening band 11. Attach piece 21.

Since the embodiment according to claim 3 is configured as described above, the tightening band 11 is fitted on the body of the oil filter a and the inner surface of the elastic strip 20 of the protection plate 17 is fitted to the body of the oil filter a as described above. The oil filter a can be removed from the engine by bringing it into contact with the outer peripheral surface of the body of the oil filter a, inserting the wrench into the wrench fitting hole 12 and rotating it counterclockwise with a ratchet handle or the like.

At this time, the tightening band 11 is wound around the winding body 16 by using the guide piece 21 of the protection pad 17 as a guide, and the bottom plate 17 "of the protection pad 17 has the central shaft hole near the outside as described above. The bottom plate 17 "has a rectangular opening in the center thereof, so that the oil filter wrench is rotated to wind the tightening band 11 around the joint. Take in the body 16 and remove the oil filter a.
At the time of mounting, it is excluded that the caught tightening band 11 interferes with the outer peripheral portion of the oil filter a, and the elastic band member 20 of the protection pad 17 cushions the outer peripheral surface of the oil filter a with a wide contact surface. Since they contact each other in a circular shape, the thin steel plate of the body is not locally deformed as in the conventional case, and the oil filter a can be removed and attached.
Further, since both ends of the tightening band 11 are fixed to the winding body 16 in a spliced state, the left and right ends of the tightening band 11 can be wound at once in the winding body 16.
It can be wound around, so it can be wound up with a ratchet handle etc.
Since the operation angle for rotating 16 is small, and the operation by the ratchet handle is symmetrical, the wrench fitting hole 12 can be attached to only one side, and a very compact oil filter wrench can be obtained.

[0033]

As described above, the present invention provides an oil filter wrench having a simple structure that allows the oil filter to be easily taken out and installed in a narrow engine room of an automobile, and is easy to handle and convenient.

[Brief description of drawings]

1 is a perspective view of an embodiment according to claim 1. FIG.

FIG. 2 is a cross-sectional view of the above.

FIG. 5 is a front view in which the above part is cut away.

FIG. 4 is a perspective view of the embodiment of claim 2;

FIG. 5 is a partial cutaway view showing another embodiment of claim 2;

FIG. 6 is a perspective view of the embodiment of claim 3;

FIG. 7 is a cross-sectional view of the main part.

[Explanation of symbols]

 1 Band Holder 3 Wrench Fitting Hole 4 Winding Body 6 Tightening Band 7 Tightening Band 8 Wrench Fitting Hole 9 Winding Body a Oil Filter

─────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] August 30, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0008

[Correction method] Change

[Correction content]

Further, both ends of a tightening band 11 which is wound around the outer peripheral surface of the oil filter a and tightened are fixed in a joined state to form a joined portion, and a wrench fitting hole 12 is provided at the joined portion. Provided with a take-up body 16 and provided with a protective abutment plate 17 which protrudes like a wing in the left-right direction with respect to the joining portion between the joining portion and the winding body 16 and whose circular surface abuts on the outer peripheral surface of the oil filter a. The present invention relates to an oil filter wrench.

[Procedure amendment]

[Submission date] November 16, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Brief description of the drawing

[Correction method] Change

[Correction content]

[Brief description of drawings]

1 is a perspective view of an embodiment according to claim 1. FIG.

FIG. 2 is a cross-sectional view of the above.

FIG. 3 is a front view in which the above part is cut away.

FIG. 4 is a perspective view of the embodiment of claim 2;

FIG. 5 is a partial cutaway view showing another embodiment of claim 2;

FIG. 6 is a perspective view of the embodiment of claim 3;

FIG. 7 is a cross-sectional view of the main part.

[Explanation of symbols] 1 band holder 3 wrench fitting hole 4 winding body 6 tightening band 7 tightening band 8 wrench fitting hole 9 winding body a oil filter

Claims (3)

[Claims] 1. A winding holder having a wrench fitting hole is provided with a band holder, and the base end of a tightening band which is wound around the outer peripheral surface of an oil filter and fastened to the band holder is fixed and the other end is wound. An oil filter wrench that is locked to the body. 2. A winding body having a wrench fitting hole formed in the joining portion by fixing both ends of a tightening band that is wound around the outer peripheral surface of an oil filter and fixed in a joined state. Oil filter wrench characterized by being attached. 3. A winding body having a wrench fitting hole formed in the joining portion by fixing both ends of a tightening band that is wound around the outer peripheral surface of an oil filter and fixed in a joined state. An oil filter, which is attached, is provided with a protective abutting plate projecting like a wing in the left-right direction with respect to the joining portion between the joining portion and the winding body, and the inner surface of which abuts against the outer peripheral surface of the oil filter. wrench.