KR101514661B1 - Size adjustable spanner - Google Patents

Size adjustable spanner Download PDF

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Publication number
KR101514661B1
KR101514661B1 KR1020140166479A KR20140166479A KR101514661B1 KR 101514661 B1 KR101514661 B1 KR 101514661B1 KR 1020140166479 A KR1020140166479 A KR 1020140166479A KR 20140166479 A KR20140166479 A KR 20140166479A KR 101514661 B1 KR101514661 B1 KR 101514661B1
Authority
KR
South Korea
Prior art keywords
dimension
interpolation
bolt
nut
interpolation space
Prior art date
Application number
KR1020140166479A
Other languages
Korean (ko)
Inventor
김명준
Original Assignee
(주)경북디자인센터
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by (주)경북디자인센터 filed Critical (주)경북디자인센터
Priority to KR1020140166479A priority Critical patent/KR101514661B1/en
Application granted granted Critical
Publication of KR101514661B1 publication Critical patent/KR101514661B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/02—Spanners; Wrenches with rigid jaws
    • B25B13/04—Spanners; Wrenches with rigid jaws of ring jaw type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/10—Spanners; Wrenches with adjustable jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/10—Spanners; Wrenches with adjustable jaws
    • B25B13/12—Spanners; Wrenches with adjustable jaws the jaws being slidable
    • B25B13/14—Spanners; Wrenches with adjustable jaws the jaws being slidable by rack and pinion, worm or gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/48—Spanners; Wrenches for special purposes

Abstract

The present invention relates to a dimensionally adjustable spanner. A wrench for use in tightening or unscrewing a bolt or a nut according to the present invention includes a body including a top portion and a bottom portion each having a central through hole and a handle; A grip operating part mounted on an upper surface of the upper plate of the body so as to be operable by the user for adjusting the dimension; A dimension adjusting section which is located between the upper plate of the head section and the lower plate of the head section and which is engaged with the grip operating section and adjusts the dimension of the interpolation space of the bolt or nut on the horizontal plane in accordance with the rotational motion of the grip operating section, .

Description

SIZE ADJUSTABLE SPANNER [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spanner used for tightening or loosening a bolt or a nut, and more particularly, to a spanner capable of being used for a bolt or a nut of various sizes.

Wrenches are a kind of steel or forging tools used for tightening or unscrewing nuts or bolts. There are various kinds of wrenches, such as double spanner and single spanner. A wrench is used as a tool for the same purpose as a spanner.

One example of a conventional spanner is shown in Figs. 1 and 2. Fig.

The wrench shown in Fig. 1 is a double-ended wrench provided on both sides of a nut or a knot to which a bolt can be knotted, but can be used only for a bolt or a nut having a predetermined standard size.

To solve this problem, a spanner for adjusting the dimension as shown in Fig. 2 has been proposed.

However, since the dimension adjusting spanner shown in FIG. 2 is linearly adjusted, the dimension of the wrench can not be used due to a lack of space due to a large dimension in the linear direction, and the bite of the nut or bolt There is a problem in that it is insufficient to transmit a strong rotational force to the nut or the bolt.

Public utility model 20-2009-0006155

SUMMARY OF THE INVENTION It is an object of the present invention to provide a spanner capable of easily adjusting the dimension and adjusting the dimension of the dimension adjustment structure.

In order to accomplish the above object, the present invention provides a spanner for tightening or unscrewing a bolt or a nut, comprising: a body including a top portion and a bottom portion each having a central through hole; A grip operating part mounted on an upper surface of the upper plate of the body so as to be operable by the user for adjusting the dimension; A dimension adjusting section which is located between the upper plate of the head section and the lower plate of the head section and which is engaged with the grip operating section and adjusts the dimension of the interpolation space of the bolt or nut on the horizontal plane in accordance with the rotational motion of the grip operating section, .

As described above, according to the present invention, even when the size of the space (the engaging mouth) to which the bolt or nut is to be attached is changed, the length does not increase in the linear direction as in the conventional case. That is, the inner shape corresponding to the space in which the bolt or nut is to be mounted is not changed in the outer shape of the spanner even when the dimension is adjusted. Therefore, the case where the spanner is not used due to lack of space is reduced.

Also, since the dimension adjustment is performed from the front side facing the spanner, it is easy to adjust the dimension.

1 and 2 show an example of a conventional spanner,
3 is a perspective view of a spanner capable of adjusting dimensions according to an embodiment of the present invention,
FIG. 4 is a perspective view of the gripping manipulation part in FIG. 3,
FIG. 5 is a perspective view in which the dimension adjusting unit is further disassembled in FIG. 3,
FIG. 6 and FIG. 7 are exploded views of one interpolation space forming block in the dimension adjusting unit of FIG. 3,
8 is a diagram showing an example in which various interpolation space sizes are formed by an interpolation space forming block,
Fig. 9 is a view showing another example of the gripping operation portion of Fig. 4. Fig.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Hereinafter, embodiments of the present invention will be described in order to facilitate understanding of the present invention, and the present invention is not limited to these embodiments. In particular, the present invention can be configured by combining at least any one of individual configurations and individual functions included in each embodiment.

3 is a perspective view of a spanner capable of adjusting dimensions according to an embodiment of the present invention.

The ability to adjust dimensions here means that the size of the bite can be adjusted so that bolts or nuts of various sizes can be tightened or loosened.

FIG. 4 is an exploded perspective view of a grip manipulation part 200 in which a user manipulates the manipulation part 200 to adjust the dimension in FIG. 3. FIG. 5 is an exploded perspective view of the manipulation part 300, It is a perspective view.

3 to 5, the spanner according to an embodiment of the present invention includes a body 100, a gripping unit 200, and a dimension adjusting unit 300.

The body 100 includes a head 110 and a handle 120. The handle 120 is a portion that the user holds to use the spanner to tighten or unscrew the nut or bolt.

The head 110 of the body 100 is composed of an upper plate 111 and a lower plate 113 having a central through hole 400 formed therein. 5, the head 110 of the body 100 is integrally formed at one end of the handle 120 and has a circular shape.

At least one insertion hole 112 and 114 are respectively formed in the upper plate 111 and the lower plate 113 of the head 110 of the body 100. The insertion holes 112 and 114 And the engaging protrusion 323 of the interpolation space forming block 320 is inserted and mounted as described later.

At least a part of the insertion holes 112 and 114 of the upper plate 111 and the lower plate 113 of the head 110 of the body 100 may be formed as through holes. Particularly, the insertion hole 114 of the lower plate 113 may be configured to allow the lower engaging projection 323 to be seated without passing through the lower plate 113.

The gripping operating portion 200 is mounted on the upper surface of the upper plate 111 of the body 100 so as to be manipulable by the user for adjusting the dimension and is provided on the lower surface of the gripping operating portion 200 to be coupled with a later- A coupling member 210 may be formed.

The gripping operation unit 200 may have a circular shape like the shape of the head 110 of the body 100.

The dimensional adjustment unit 300 is positioned between the upper plate 111 of the head 110 and the lower plate 113 of the head 110 and is coupled to the gripping unit 200 to adjust the dimension of the gripping unit 200 Dimension adjustment is performed according to the rotational motion. That is, the dimension adjuster 300 is capable of adjusting the dimension on the horizontal plane of the interpolation space into which the bolt or nut can be inserted in accordance with the rotation of the gripping operation unit 200.

The central control gear portion 310 includes a central rotation gear portion 310 and at least one interpolation space forming block 320. The central rotation gear portion 310 includes a grip control portion 200, And is configured to rotate together with the rotation of the grip operating portion 200. [

The coupling insertion hole 312 is formed in the upper surface of the central rotation gear portion 310 so that the coupling member 210 of the gripping operation portion 200 is inserted and inserted into the gripping operation portion 200 And the center rotary gear portion 310 are directly coupled to each other.

 5, a gear 311 is formed on a side surface of the central rotary gear portion 310, so that the separate rotary gear 321, which will be described later, Respectively.

On the other hand, the interpolation space forming block 320 comprises an individual rotary gear 321 and an interpolation blade 324. The interpolation space forming block 320 may be disposed at regular intervals along the circumference of the central rotation gear portion 310.

The individual rotary gear 321 meshes with the gear 311 of the central rotary gear portion 310. The intersperscing blade 324 rotates together with the rotation of the individual rotary gear 321, As shown in FIG.

5, the dimensional adjustment unit 300 includes six interpolation space forming blocks 320, and six interpolation wings 324 of the six interpolation space forming blocks 320 are arranged in a hexagon shape It can be seen that the interpolation space of FIG.

5, an individual rotary gear 321 is formed on the upper surface of the intersperslator 324 of each of the interpolation space forming blocks 320, and the engaging protrusion 323 described above is formed above the individual rotary gear 321, Can be inserted into the insertion hole formed in the upper plate 111 of the head 110 of the body 100.

Although not shown in FIG. 5, the engaging protrusion 323 may be formed on the lower surface of the interverting vane 324 and inserted into the insertion hole formed in the lower plate 113 of the head 110 of the body 100, As described above.

In this way, the interpolating space forming block 320 may be configured such that the individual rotary gear 321, the engaging projection 323, and the intersperslator 324 are integrally formed, but the individual rotary gear portion is inserted into the intersperslator 324 It is possible.

FIG. 6 shows an example of a configuration in which the individual rotary gear portion is inserted and inserted into the interpolation blade 324.

6, the interpolation space forming block 320 includes an individual rotary gear portion including an individual rotary gear 321 that meshes with a gear 311 of the central rotary gear portion 310, Wherein the insertion wing 324 may be formed with an insertion hole 325 into which the body 322 of the individual rotary gear portion is inserted.

That is, the body 322 of the individual rotary gear portion passes through the insertion hole 325 of the interverting vane 324 and reaches the insertion hole 114 of the lower plate 113 of the body 100, and a separate fastener 327 May be inserted into a fastening hole 326 formed in a side surface of the interpolation blade 324 so that the intersperscing blade 324 and the body 322 of the individual rotation gear portion are fixedly coupled.

7 shows another example of a configuration in which the individual rotary gear portion is inserted and inserted into the interpolation blade 324. [

7, the interpolation space forming block 320 includes an individual rotation gear portion including an individual rotation gear 321_1 that meshes with a gear 311 of the central rotation gear portion 310, Wherein the insertion wing 324 may be formed with an insertion hole 325 into which the body 322 of the individual rotary gear portion is inserted.

The upper and lower ends of the separate rotary gear unit are respectively provided with engaging protrusions 323 engaging with the insertion holes 112 of the upper plate 111 of the body 100 and lower plates 113 of the body 100 ) Insertion holes 114. The engaging protrusions 323 '

The individual rotary gears 321_1 and 321_2 of the upper portion of the body gears of the individual rotary gears are connected to the central rotary gear portion 310 as described above, And the individual rotary gear 321_2 of the body region of the body gear of the individual rotary gear portion is engaged with the irregularities formed on the inner side surface of the insertion hole 325 of the interverting vane 324. [

Therefore, the longitudinal direction length of the individual rotary gear 321_2 in the body region of the individual rotary gear portion is preferably the same as the longitudinal direction length of the interpolating blade.

According to this configuration, when the user rotates the grip operation unit 200 clockwise or counterclockwise with respect to the horizontal plane, the central rotation gear unit 310 connected to the grip operation unit 200 rotates, The individual rotary gears 321 of the dimensional adjustment unit 300 engaged with the gears 311 of the rotary shaft 310 rotate.

For example, when the central rotary gear portion 310 rotates, the individual rotary gear 321 rotates in a direction opposite to the rotation direction of the central rotary gear portion 310. That is, when the central rotary gear portion 310 rotates clockwise, the individual rotary gear 321 rotates counterclockwise.

At this time, the intersperslator 324 integrally formed with the individual rotary gear 321 or coupled with the predetermined fastener 327 rotates together with the individual rotary gear 321.

8 shows a process in which the size of the interpolation space of the bolt or nut is changed, that is, the dimension is adjusted as the individual rotary gear 321 rotates, as described above.

8A, when the user rotates the gripping operating portion 200 clockwise, the interpolating wing 324 of the interpolating space forming block 320 is rotated in the same direction as the individual Clockwise with respect to the axis of the corresponding individual rotary gear 321 together with the rotary gear 321 so as to form a hexagonal shape with a wider gap as shown in Fig. 8 (b). That is, the interpolation space into which the bolt or nut is inserted can be said to be wider.

The interpolation blade 324 of the interpolation space forming block 320 is rotated together with the individual rotary gear 321 to rotate clockwise about the axis of the respective rotary gear 321 So that a hexagonal shape having a narrower interval as shown in Fig. 8 (c) can be formed. That is, the interpolation space into which the bolt or the nut is inserted becomes narrower.

On the other hand, as shown in FIGS. 5 to 8, one surface of the interpolating blade 324 is made of a flat surface so as to form an interpolation space of the bolt or nut, and the other surface of the interpolating blade 324 is arranged in the other interpolating space May be curved to avoid interference with the interpolation blade (324) of the forming block (320).

5, the radius of the central rotary gear portion 310 may be much larger than the radius of the individual rotary gear 321 (for example, it may be three or more times as large as the radius of the individual rotary gear 321). In this case, The dimensions can be easily adjusted while the adjusted dimensions are not easily changed when the bolts or nuts are tightened or loosened.

That is, since the plurality of individual rotary gears 321 are engaged with the gears 311 of the central rotary gear portion 310, it is possible to minimize the case in which the dimensions of the bolts and nuts are increased by themselves when the bolts or nuts are tightened or loosened have.

Fig. 9 shows another embodiment of the grip operation unit 200. Fig.

As described above, the grip operation unit 200 is a component that directly rotates the user to adjust the dimension (i.e., adjust the size of the interpolation space of the bolt or nut) as described above. The protrusions 220 may be formed.

That is, as shown in FIG. 9, at least one protrusion 220 is formed on the inclined surface of the grip operation portion 200 to prevent slipping.

As another example, at least one protruding step (not shown) may be formed on the upper surface of the grip operating part 200 to allow the user to grip the grip operating part 200 to rotate the grip operating part 200.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention. It is to be understood that such variations and modifications are intended to be included in the scope of the appended claims.

100: Body 200:
300: Dimension adjusting section 110: Head section
120: handle portion 111: top plate
113: lower plate 310: central rotation gear portion
320: interpolation space forming block 321: individual rotary gear
323: engaging projection 324:

Claims (5)

delete delete In a spanner used for tightening or loosening a bolt or nut,
A body including a top portion and a handle portion, the top portion and the bottom portion having a central through hole;
A grip operating part mounted on an upper surface of the upper plate of the body so as to be operable by the user for adjusting the dimension;
A dimension adjusting section which is located between the upper plate of the head section and the lower plate of the head section and which is engaged with the grip operating section and adjusts the dimension of the interpolation space of the bolt or nut on the horizontal plane in accordance with the rotational movement of the grip operating section, Including,
The dimension adjusting unit may include: a central rotation gear portion directly coupled to the gripping portion; At least one interpolation space having an interpolation blade for variably forming a size of an interpolation space in which the bolt or nut is rotated together with the rotation of the individual rotation gear, Forming block,
Wherein the interpolation space-forming block includes: an individual rotation gear portion including a gear meshed with the gear of the central rotation gear portion; And an interpolating wing formed with an insertion hole into which the body of the individual rotary gear portion is inserted and which is fastened through a fastening hole to the body of the individual rotary gear portion passing through the insertion hole. In a spanner used for tightening or loosening a bolt or nut,
A body including a top portion and a handle portion, the top portion and the bottom portion having a central through hole;
A grip operating part mounted on an upper surface of the upper plate of the body so as to be operable by the user for adjusting the dimension;
A dimension adjusting section which is located between the upper plate of the head section and the lower plate of the head section and which is engaged with the grip operating section and adjusts the dimension of the interpolation space of the bolt or nut on the horizontal plane in accordance with the rotational motion of the grip operating section, Including,
The dimension adjusting unit may include: a central rotation gear portion directly coupled to the gripping portion; At least one interpolation space having an interpolation blade for variably forming a size of an interpolation space in which the bolt or nut is rotated together with the rotation of the individual rotation gear, Forming block,
Wherein the dimensional adjuster includes six interpolation space forming blocks and each interpolation blade of the six interpolation space forming block portions forms a hexagonal interpolation space. The method according to claim 3 or 4,
And a non-slippery protrusion is formed on a part of the surface of the gripping operation portion.
KR1020140166479A 2014-11-26 2014-11-26 Size adjustable spanner KR101514661B1 (en)

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KR1020140166479A KR101514661B1 (en) 2014-11-26 2014-11-26 Size adjustable spanner

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KR1020140166479A KR101514661B1 (en) 2014-11-26 2014-11-26 Size adjustable spanner

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109909936A (en) * 2019-04-11 2019-06-21 龙岩市海德馨汽车有限公司 A kind of robot for high-voltage hot-line work special electric sleeve and control system
CN110052987A (en) * 2019-02-01 2019-07-26 广东省人民医院(广东省医学科学院) It is a kind of for installing the spanner of oxygen flowmete

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050188793A1 (en) * 2004-02-27 2005-09-01 Cherry Doyle E. Gripping dies and method
KR20120100437A (en) * 2011-03-04 2012-09-12 전남대학교산학협력단 Nut wrench
KR20130033910A (en) * 2011-09-27 2013-04-04 김운섭 The engine oil filter assembling tool
KR101445329B1 (en) * 2013-05-31 2014-10-02 동국대학교 경주캠퍼스 산학협력단 Adjustable wrench

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050188793A1 (en) * 2004-02-27 2005-09-01 Cherry Doyle E. Gripping dies and method
KR20120100437A (en) * 2011-03-04 2012-09-12 전남대학교산학협력단 Nut wrench
KR20130033910A (en) * 2011-09-27 2013-04-04 김운섭 The engine oil filter assembling tool
KR101445329B1 (en) * 2013-05-31 2014-10-02 동국대학교 경주캠퍼스 산학협력단 Adjustable wrench

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110052987A (en) * 2019-02-01 2019-07-26 广东省人民医院(广东省医学科学院) It is a kind of for installing the spanner of oxygen flowmete
CN109909936A (en) * 2019-04-11 2019-06-21 龙岩市海德馨汽车有限公司 A kind of robot for high-voltage hot-line work special electric sleeve and control system

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