JP6430984B2 - Hammer and carabiner attachment / detachment structure - Google Patents

Description

  The present invention relates to a hammer, and more particularly to a hammer that is carried around a waist belt.

A construction worker or the like wears a waist belt and carries it with a holder attached to the waist belt, for example, holding a hammer as a tool. The hammer is removed from the holder when working. At this time, it is necessary to remove the hammer from the holder with one hand. This is because, for example, when working at a high place, it is necessary to keep one hand open.
The tool holder described in Patent Document 1 and a hook portion of a nail bag (hereinafter referred to as a tool holder or the like) hold the hammer by inserting the handle of the hammer from above and locking the head.

JP2015-85408A JP-A-8-197462

However, in the above tool holder etc., the handle is inserted from above and the hammer is held only by locking the head, so if the handle stands up with some momentum from a bent posture during work, the handle will be There is a risk that the hammer will fall out from the holder or the like and fall. When a worker is working at a high place, such as on a roof, if the hammer falls, the person underneath will be at risk. Furthermore, the roof tiles may be damaged by the dropped hammer.
Even if one end of the string is connected to the hammer and the other end is connected to the waist belt, the string has the length necessary to work with the hammer. There is no change in damaging roof tiles.
It is also conceivable to weld an engaging bracket to the head of the hammer and lock it to the carabiner attached to the waist belt. There is a risk of losing.

  The present invention has been made paying attention to the above-mentioned conventional problems, and can be easily attached to and detached from the carabiner attached to the waist belt with one hand, and there is a possibility that the fitting fitting to be locked to the carabiner may come off from the head. The aim is to provide no hammer.

The present invention has been made in order to solve the above-mentioned problems, and the invention according to claim 1 is a structure for attaching and detaching a hammer and a carabiner, and the hammer is a metal left-right direction fixed to the upper end of a handle. A pair of mounting holes that are spaced apart from each other by an equal distance from the center of the center in the left-right direction and that have an opening on the upper surface of the long head. The carabiner has a substantially C-shaped main body and an opening / closing part, and the opening / closing part is biased in the closing direction. The lower end of the fitting is closed in contact with the stopper portion of the main body, and when the hammer is mounted on the carabiner, the horizontal direction of the head is the vertical direction, One of the opposite ends is one at the bottom, As the upper end portion, the lower end portion is in contact with the inner side portion of the main body on the stopper portion side, and the upper end portion is in contact with the outer side of the opening / closing portion. When removing from the carabiner, the upper end portion is rotated in the opening direction to open the opening / closing portion in the abutted state, and the opening / closing portion is opened. The detachable structure characterized by the above.

The invention according to claim 2 is an attachment / detachment structure for a hammer and a carabiner according to claim 1, wherein a recess is formed in a portion of the top surface of the hammer facing the engagement fitting. is there.

According to a third aspect of the present invention, in the detachable structure of the hammer and the carabiner according to the first or second aspect , the carabiner has a belt insertion portion through which the waist belt is inserted, and a lower end portion of the opening / closing portion is in contact with the stopper portion. An attachment / detachment structure characterized by being fixed so as to be closed .

  According to the hammer of the present invention, it can be easily attached to and detached from the carabiner attached to the waist belt with one hand. Moreover, there is no possibility that the engagement fitting that is locked to the carabiner will come off from the head even when receiving an impact when using the hammer.

It is a perspective view of the state where the hammer concerning the 1st embodiment of the present invention was locked to the carabiner attached to the waist belt. FIG. 2 is a partially enlarged exploded front view of the hammer of FIG. 1. It is a partially expanded front view of the hammer of FIG. It is a figure for demonstrating the method of mounting | wearing the carabiner with the hammer of FIG. It is a figure for demonstrating the method of removing the hammer of FIG. 1 from a carabiner. It is a figure for demonstrating the method of removing the hammer of FIG. 1 from a carabiner. It is a figure for demonstrating the method of removing the hammer of FIG. 1 from a carabiner. It is a figure for demonstrating the method of removing the hammer of FIG. 1 from a carabiner. It is a partially expanded front view of the hammer which concerns on 2nd Embodiment. It is a partially expanded front view for demonstrating the operation | work which attaches the engagement metal fitting of the hammer which concerns on 3rd Embodiment to a head. It is a front view of the hammer of FIG.

A hammer 1 according to a first embodiment of the present invention will be described with reference to FIGS.
Reference numeral 3 denotes a metal handle, and the handle 3 is covered with a grip portion 5 made of synthetic rubber, leaving upper and lower ends. A hole 6 is formed at the lower end of the handle 3.
Reference numeral 7 denotes a metal head, and the head 7 has a substantially octagonal prism with a slightly bulged central portion. A handle attachment hole 9 is formed at the center in the left-right direction of the head 7, and the handle attachment hole 9 is continuous with a connecting cylinder portion 11 formed at the center of the lower surface of the head 7. The handle 3 is fixed by being inserted into the handle attachment hole 9 and the connecting cylinder portion 11 from below.

  The head 7 has metal mounting holes 13 and 15 as a pair of mounting holes penetrating from the upper surface to the lower surface. The metal mounting holes 13 and 15 are round holes and the pattern mounting hole 9 is sandwiched between them. The metal mounting holes 13 and 15 are arranged at an equal distance from the center of the head 7 in the left-right direction.

Reference numeral 17 denotes an engagement fitting, and the engagement fitting 17 is made of metal and is formed in a U-shape including a pair of straight portions 17a and 17b and a curved portion 17c. As shown in FIG. 2, the engagement metal fitting 17 is inserted into the metal attachment holes 13 and 15 from above, and the pair of straight portions 17a and 17b are openings above the metal attachment holes 13 and 15 as shown in FIG. A welded portion 16 is formed by welding the peripheral portions of 13a and 15a and the peripheral portions of the lower openings 13b and 15b. That is, the engagement fitting 17 is welded to the head 7 at a total of four locations.
In addition, there is a gap between the curved portion 17 c of the engagement fitting 17 and the upper surface of the head portion 7, and a hollow portion 19 is formed.
An attachment ring 10 to which one end of the string 8 is connected is attached to the hole 6, and the other end of the string 8 is connected to the waist belt 23. The string 8 has a length that does not hinder the work with the hammer 1.

Next, a method for attaching / detaching the hammer 1 to / from the carabiner 21 will be described.
The carabiner 21 is fixed to a belt insertion portion 22, and a waist belt 23 is inserted into the belt insertion portion 22, and an operator wears the waist belt 23.
The carabiner 21 has an opening / closing portion 21b in a substantially C-shaped main body 21a. The opening / closing portion 21b is biased in a closing direction by a spring (not shown), and the lower end portion of the opening / closing portion 21b has a stopper portion 21c of the main body 21a. It comes in contact with and closes.

When the hammer 1 is attached to the carabiner 21, as shown in FIG. 4, the grip portion 5 of the handle 3 is held in one hand, and the opening / closing portion 21 b is pushed and opened by the engagement fitting 17. Then, while pushing the opening / closing part 21b, the engagement fitting 17 is passed through the main body 21a. The opening / closing part 21b is closed, the lower end of the opening / closing part 21b comes into contact with the stopper part 21c, and the carabiner 21 becomes ring-shaped.
When the hand holding the handle 3 of the hammer 1 is released, the engagement fitting 17 moves to the inside lower part of the main body 21a of the carabiner 21, and the hammer 1 is held by the carabiner 21 as shown in FIG.
In this way, the hammer 1 is held by the engagement of the engagement fitting 17 with the carabiner 21, so that even if the hammer 1 stands up with some momentum from a bent posture during the work, the hammer 1 is removed from the carabiner 21. It will not come off. Therefore, it is possible to completely prevent the hammer 1 from falling.

When the hammer 1 is removed from the carabiner 21, the grip portion 5 of the handle 3 is held with one hand, the head 7 is raised as shown in FIG. 5, and the lower end portion of the engagement fitting 17 is connected to the opening / closing portion of the main body 21a. The upper end portion of the engagement fitting 17 is brought into contact with the outer side of the opening / closing portion 21b while being brought into contact with the lower inner portion on the 21b side. Then, the handle 3 is rotated in the clockwise direction in FIGS. 5 and 6, and the engagement fitting 17 pushes the opening / closing part 21 b to open. With the opening / closing portion 21b open, the engagement fitting 17 is moved leftward in the figure as shown in FIG. 7, and the engagement fitting 17 is pulled out as shown in FIG. Thereby, the hammer 1 is removed from the carabiner 21.
Thus, the hammer 1 can be easily attached to and detached from the carabiner 21 attached to the waist belt 23 with one hand.
Further, since the engagement metal fitting 17 is inserted into the metal attachment holes 13 and 15 from above and welded to the head 7 at a total of four locations, even if an impact is applied to the head 7 using the hammer 1, It is possible to prevent the engagement fitting 17 from being detached from the head 7.

FIG. 9 shows a hammer 31 according to the second embodiment.
The hammer 31 has a concave portion 37a formed in the head portion 37, and the same components as the hammer 1 according to the first embodiment described above except for the small vertical dimension of the engagement fitting 36. The same reference numerals as those of the embodiment are attached and the description is omitted, and only different portions will be described. The same applies to the third embodiment.
In the hammer 31, a concave portion 37 a is formed in a portion of the upper surface of the head 37 facing the engagement fitting 36, and the vertical dimension of the engagement fitting 36 is reduced. Accordingly, the length (height dimension) protruding from the upper surface of the head 37 of the engagement fitting 36 while maintaining the size of the hollow portion 39 substantially the same as the hollow portion 19 of the hammer 1 according to the first embodiment. Can be kept low. Therefore, when the hammer 31 is used, it is possible to completely prevent the engagement metal fitting 36 from interfering.

10 and 11 show a hammer 41 according to the third embodiment.
The pair of fitting mounting holes 43 and 45 are bottomed, and the pair of straight portions 47a and 47b of the engaging fitting 47 are continuous with the curved portion 17c of the engaging fitting 17 of the hammer 1 according to the first embodiment. It is set to be shorter than the straight portions 17a and 17b formed.
In the hammer 41, the straight portions 47 a and 47 b are bonded and fixed to the inner peripheral surfaces of the metal fitting mounting holes 43 and 45. That is, by pouring an adhesive into the bracket mounting holes 43 and 45 and inserting the straight portions 47a and 47b, the straight portions 47a and 47b are inserted into the inner peripheral surfaces of the bracket mounting holes 43 and 45 via the adhesive. It is fixed.

The embodiment of the present invention has been described in detail above. However, the specific configuration is not limited to this embodiment, and the present invention can be changed even if there is a design change without departing from the gist of the present invention. included.
For example, the present invention can be applied to a hammer head having a nail removal tool portion or the like at one end thereof.
Moreover, although the U-shaped thing was shown as an engaging metal fitting in the said embodiment, the engaging metal metal fitting should just be a substantially U-shaped, and the straight part and the curved part are bent at right angle. It may be a shape or a shape close to a V shape. In other words, the engagement fitting may have a shape in which a hollow portion is formed between the upper surface of the head.

  The present invention has applicability in the hammer manufacturing industry, and according to the hammer of the present invention, the carabiner attached to the waist belt can be easily attached and detached with one hand. In addition, there is no possibility that the engagement fitting that is locked to the carabiner will come off from the head even if the hammer is used.

DESCRIPTION OF SYMBOLS 1 ... Hammer 3 ... Handle 5 ... Grip part 6 ... Hole 7 ... Head 8 ... String 9 ... Handle attachment hole 10 ... Mounting ring 11 ... Connection cylinder part 13, 15 ... Metal fitting attachment hole 16 ... Welding part 17 ... Engagement metal fitting 17a, 17b ... straight part 17c of engaging metal ... curved part of engaging metal 19 ... hollow part 21 ... carabiner 21a ... carabiner body 21b ... carabiner opening / closing part 21c ... carabiner stopper part 22 ... belt insertion part 23 ... Waist belt 31 ... Hammer 36 ... Engagement bracket 37 ... Head 37a ... Head recess 39 ... Hollow portion 41 ... Hammer 43, 45 ... Bracket mounting hole 47 ... Engagement bracket 47a, 47b ... Straight part of engagement bracket 47c: Curved portion of the engagement metal fitting

Claims (3)

It is a detachable structure of hammer and carabiner,
The hammer forms a mounting hole that is equidistantly spaced from the center of a pair of left and right central portions having an opening on the top surface of a metal long head fixed to the upper end of the handle. It is a manual tool in which a substantially U-shaped engagement fitting is inserted into the mounting hole so that a gap is opened between the upper surface and the engagement fitting is fixed to the head .
The carabiner has a substantially C-shaped main body and an opening / closing part, the opening / closing part is urged in a closing direction, and a lower end part thereof comes into contact with a stopper part of the main body and closes,
When the hammer is mounted on the carabiner, the left-right direction of the head is the vertical direction, and one of the opposing ends of the engagement fitting is a lower end, the other is an upper end, and the lower end is the This is in contact with the inner part of the main body on the stopper part side, and the upper end part is in contact with the outer side of the opening / closing part.
When removing the hammer from the carabiner,
The attachment / detachment structure is characterized in that the engagement fitting is pulled out of the carabiner when the upper end is rotated in a direction to open the opening / closing part and the opening / closing part is opened in the contacted state. In the detachable structure of the hammer and the carabiner according to claim 1,
A detachable structure characterized in that a recess is formed in a portion of the top surface of the hammer facing the engagement fitting. In the detachable structure of the hammer and the carabiner according to claim 1 or 2 ,
The detachable structure, wherein the carabiner is fixed to a belt insertion portion through which a waist belt is inserted so that a lower end portion of the opening / closing portion abuts against a stopper portion and closes.

Images