JP3161041U - Removable spanner structure - Google Patents

Abstract

A removable spanner structure with improved operational comfort and stability is provided. The wrench head part 10 and a wrench hand-held part 20 are mainly connected, and the wrench head part has an insertion part 14, and a neck ring part 13 is provided on the insertion part. The hand crank 12 is connected to the upper end of the neck ring portion, the upper end of the hand crank is the tool head 11, the back end of the chip of the tool head is a hexagonal groove, and the upper portion of the hexagonal groove is The U-shaped contact piece protrudes, and the spanner hand-held portion mainly comprises an inner rod and an outer sleeve coupled to each other, and the inner rod has an insertion groove 22 formed therein from the upper end. The bar portion at the lower end thereof is provided with a structure that contacts the outer sleeve. [Selection] Figure 2

Description

  More particularly, the present invention relates to a structure of a wrench head portion and a hand-held portion constituting the detachable wrench, and particularly to a detachable detachable wrench of the wrench head portion. .

  In the case of purchasing a hand tool, a product capable of exchanging various tool heads for a hand-held part of a single tool has been developed by a contractor for economic efficiency and user convenience. In this developed product, an insertion groove for inserting a joint corresponding to the tool head is mainly provided at one end of the hand-held part of the tool, and a steel ball is formed on the wall of the insertion groove or the tool joint. In this way, the connection between the tool head and the tool hand-held portion is firmly maintained by the contact of the steel ball.

Under such circumstances, many wrench with which the tool head part can be attached and detached have been proposed. For example, Patent Document 1 discloses a hand tool whose tool head can be replaced. There was room for improvement in sex.
Utility Model Registration No. 3116359

  Therefore, the problem of the present invention is that the spanner head portion and the hand-held portion are firmly connected, and the spanner head portion can be quickly inserted and removed in spite of its stability and has excellent operational comfort. It is to provide a detachable spanner.

  Therefore, the present inventor solved the above problems and conducted extensive studies to solve the problems of the present invention. As a result, the internal structure of the handheld portion was configured as follows, and the spanner head was cut off. Focusing on the fact that the U-shaped abutting piece is provided to make it easier to match the spanner head to the workpiece, the present invention has been conceived based on such knowledge.

  That is, the main object of the present invention is to provide a wrench wrench structure that improves the operational comfort and stability of the wrench and can be quickly adjusted to the workpiece.

  In addition, another object of the present invention is that the sides having the same width are provided on both sides of the wrench head opening, and a U-shaped abutment piece is added to the above lip opening, so that the wrench head can be used for work. The hand crank that connects the tool head and the insertion part is arranged at an angle with a level difference, and is urged by the urging part of the elastic sheet of the spanner holding part. When the insertion portion of the spanner head portion is inserted into the insertion groove of the spanner hand-held portion, it provides a removable spanner structure that is positioned reliably.

Thus, according to the present invention,
2. The structure of a detachable spanner according to claim 1, wherein there is mainly an insertion portion, the insertion portion has a neck ring portion, a hand crank is connected to an upper end of the neck ring portion, and the hand The upper end of the crank is a tool head, the inner end of the chip opening of the tool head is a hexagonal concave groove, and a wrench head portion in which a U-shaped contact piece is formed on the upper step of the hexagonal concave groove;
The inner rod and the outer sleeve are mainly fitted, and the inner rod has an insertion groove formed therein from the upper end thereof, and an elastic sheet is provided on the wall of the insertion groove. At one end of the elastic sheet, an arcuate urging portion protrudes, a protruding portion is provided on the rod, a steel ball is fitted on the rod portion at the lower end, and a concave groove is formed. In the groove, a spring and a locking column are installed, and in the outer sleeve, a locking ring portion is provided inside, and a spanner hand-held portion in which a chamfering ring portion is formed;
An insertable wrench structure characterized in that is contained is provided.

  According to the invention of claim 2, the contact piece of the tool head extends directly from the back end of the chip opening to an appropriate distance on both sides of the chip opening. A removable wrench structure is provided.

  According to the invention of claim 3, when the insertion portion of the spanner head portion is inserted into the insertion groove of the spanner hand-held portion, it is positioned in contact with the urging portion of the elastic sheet of the spanner hand-held portion. The insertion / removal type spanner structure according to claim 1 is provided.

  According to the invention of claim 4, when the inner rod is housed in the outer sleeve, the protruding portion of the rod abuts on the locking ring portion, and when the inner rod is pulled out, the locking pillar However, it is configured to protrude outwardly and come into contact with the chamfered ring portion. Thus, the removable spanner structure according to claim 1 is provided.

  According to the invention of claim 5, the insertion / removal type spanner structure according to claim 1 is provided, wherein the insertion portion is in the form of a quadrangle and a cascade of hexagons and squares.

  The present invention has the above-described configuration, and it is easy to match the spanner head to the work piece, and the insertion portion of the spanner head portion is firmly inserted into the insertion groove of the spanner holding portion, so that the connection Since it is excellent in stability and operational comfort, it has a remarkable effect in convenience of use.

  Hereinafter, the features and technical contents of the present invention will be described in detail with reference to the drawings. However, those drawings and the like are for reference and explanation, and the present invention is not limited thereto.

  As shown in FIGS. 1 to 3, the insertion / removal type spanner according to the present invention mainly includes a spanner head portion 10 and a spanner hand-held portion 20. The spanner head portion 10 mainly includes an insertion portion 14. A neck ring portion 13 is provided on the insertion portion 14. A collar ring is fitted on the neck ring portion 13. The hand crank 12 whose upper end is the tool head 11 is connected.

  The spanner holding portion 20 mainly includes an inner rod 21 inserted into the outer sleeve 30, and the inner rod 21 has an insertion groove 22 formed from the upper end thereof on the insertion groove wall 23. The elastic sheet 24 is installed by the fixing member 25, one end of the elastic sheet 24 is an urging portion 241 having an arc shape, and the guide ring 26 is fitted to the rod portion outside the fixing member 25. . Further, a protrusion 211 is formed on the rod, a steel ball 27 is fitted on the lower end of the rod, and a concave groove 28 is formed at the other end of the rod corresponding to the steel ball 27. In addition, a spring 291 and a locking post 29 are installed inside.

  As shown in FIGS. 4 to 6, the back end of the cutout 15 of the tool head 11 becomes a hexagonal groove 151, and a U-shaped contact piece 152 projects from the upper stage of the hexagonal groove 151, so that the spanner head When working with the part 10, the hexagonal groove 151 is engaged with the side of the workpiece 40, and abutment piece 152 extending upward contacts the upper end of the workpiece 40, thereby improving the work stability. To do. Further, the distances X and Y of the central axis from both sides of the cutout 15 of the tool head 11 are designed to have the same width, and the contact piece 152 may protrude as shown in FIGS. In other words, the tool head 11 may extend directly from the back end of the chip 15 to an appropriate distance at the tip. Further, as shown in FIG. 9, the hand crank 12 that connects the tool head 11 and the insertion portion 14 is arranged at an angle with a level difference in height, which is optimal when a force is applied when operating the spanner. The state is obtained.

  10 and 11, when the spanner hand-held portion 20 is in the contracted state, the protruding portion 211 of the inner rod 21 and the locking ring portion 32 provided in the outer tube 30 abut each other. When the locking rod 29 of the inner rod 21 is urged into the concave groove 28 and the inner rod 21 is pulled out, the locking column 29 is pushed outward along the slope of the chamfered ring portion 31. Thus, when the inner rod 21 is pulled out, an effect of being positioned stably is obtained, and the steel ball 27 fitted between the rod body of the inner rod 21 and the inner wall of the outer sleeve. An isolation space is formed between them, so that the rod body of the inner rod 21 deteriorates in appearance due to long-term friction.

  Also, as shown in FIGS. 12 to 14, when the spanner head portion 10 and the spanner hand-held portion 20 are connected, the insertion portion 14 is positioned by being inserted into the insertion groove 22, and the elastic sheet. The 24 urging portions 241 abut against the wall, and the outer surface of the insertion portion 14 is maintained at a predetermined position. Thereby, the spanner head part 10 is fixed firmly. The insertion portion 14 of the spanner head portion 10 employs a form such as a quadrangle or a cascade of hexagons and squares.

  The above is a better embodiment of the present invention, and the present invention is not limited thereto, and equivalent changes made based on the scope of claims for utility model registration related to the present invention and the contents of the description. All modifications are included within the scope of the present invention.

1 is a perspective view of a spanner according to an embodiment of the present invention. 1 is an exploded perspective view of a spanner according to an embodiment of the present invention. 1 is a perspective view of a spanner according to an embodiment of the present invention. It is a perspective view of the spanner head part of the spanner of one Embodiment of this invention. It is a front view of the spanner head part of the spanner of one Embodiment of this invention. It is a partial cross section conceptual diagram of the working state of the spanner head part of the spanner of one Embodiment of this invention. It is a perspective view of the spanner head part of the spanner of other embodiment of this invention. It is a front view of the spanner head part of the spanner of other embodiment of this invention. It is a conceptual diagram of the hand crank angle state of the spanner of one Embodiment of this invention. It is a sectional structure conceptual diagram of a spanner handheld part of one embodiment of the present invention. It is a section structure conceptual diagram of the extension state of the spanner handheld part of one embodiment of the present invention. It is side surface sectional drawing of the state which connected the spanner head part and spanner hand-held part of the spanner of one Embodiment of this invention. It is a perspective view of the insertion groove part of the spanner of other embodiment of this invention. It is a perspective view of the insertion groove part of the spanner of other embodiment of this invention.

DESCRIPTION OF SYMBOLS 10 Spanner head part 11 Tool head 12 Hand crank 13 Neck ring part 14 Insertion part 15 Notch 151 Hexagonal groove 152 Contact piece 20 Spanner hand holding part 21 Inner stick 211 Protrusion part 22 Insertion groove 23 Insertion groove wall 24 Elasticity Seat 241 Energizing portion 25 Fixing member 26 Guide ring 27 Steel ball 28 Groove 29 Locking column 291 Spring 30 Outer sleeve 31 Chamfering ring portion 32 Locking ring portion 40 Workpiece

Claims (5)

The structure of a removable spanner,
There is mainly an insertion part, the insertion part has a neck ring part, a hand crank is connected to the upper end of the neck ring part, the upper end of the hand crank becomes a tool head, and the chip of the tool head is missing. A wrench head part in which the back end of the mouth becomes a hexagonal groove, and a U-shaped contact piece is formed on the upper stage part of the hexagonal groove,
The inner rod and the outer sleeve are mainly fitted, and the inner rod has an insertion groove formed therein from the upper end thereof, and an elastic sheet is provided on the wall of the insertion groove. At one end of the elastic sheet, an arcuate urging portion protrudes, a protruding portion is provided on the rod, a steel ball is fitted on the rod portion at the lower end, and a concave groove is formed. In the groove, a spring and a locking column are installed, and in the outer sleeve, a locking ring portion is provided inside, and a spanner hand-held portion in which a chamfering ring portion is formed;
A wrench type wrench structure characterized by containing.   2. The removable spanner according to claim 1, wherein the contact piece of the tool head is configured to extend directly from the back end of the chip to an appropriate distance on both sides of the chip. Construction.   When the insertion portion of the spanner head portion is inserted into the insertion groove of the spanner hand-held portion, the spanner head portion is configured to be abutted and positioned by the urging portion of the elastic sheet of the spanner hand-hold portion. The insertion / removal type spanner structure according to claim 1.   When the inner rod is housed in the outer sleeve, the protruding portion of the rod abuts on the locking ring portion, and when the inner rod is pulled out, the locking column protrudes outward and is chamfered. The insertion / removal spanner structure according to claim 1, wherein the insertion / removal spanner structure is configured to abut against the ring portion. The insertion / removal spanner structure according to claim 1, wherein the insertion portion has a quadrangular shape and a cascade shape of a hexagon and a square.

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