JP2020165860A - Holder of small tool for operation - Google Patents

Abstract

To provide an easy-to-use holder of a small tool from which an operator can remove the small tool for operation such as a level smoothly with one hand.SOLUTION: A holder of a small tool for operation is configured so that, when a level 20 is removed from a holder main body 1 by pulling the level upward while supported from below with the fingers of one hand, a thumb operation part 5 that releases engagement for preventing detachment between a detachment prevention engagement part 4 for preventing detachment of a bracket 2 from a bracket insertion part 3 and the bracket 2 is pushed in an outside direction away from an operator with the thumb of the one hand pulling the level 20 upward.SELECTED DRAWING: Figure 1

Description

The present invention relates to a small work tool holder for attaching a small work tool such as a spirit level or a tape measure that can be carried by the worker to the waist of the worker.

Conventionally, this type of holder is often mounted near the side of the waist of the worker so as not to get in the way during work. Therefore, the operation of attaching and detaching the small instrument to this holder is usually performed with one hand.

Therefore, this type of holder is automatically inserted by inserting a bracket attached to a small instrument into the insertion part provided in the holder so that the operator can easily attach and detach it with one hand. The bracket is locked in the insertion part and cannot be removed from the insertion part, so that the small instrument is held by the holder and the operation button (operation part) provided on the holder is operated. The bracket is unlocked so that small appliances can be removed from the holder.

By the way, as shown in Patent Documents 1 to 5, most of the conventional holders are of a type in which a bracket is inserted into an insertion portion provided in the holder from above to below. Therefore, when removing the small instrument from the holder, it is necessary to operate the operation button to release the lock and pull the small instrument upward.

Therefore, in this holder, the operability of the operation buttons at the time of unlocking is also important.

Various types of operation buttons have been conventionally proposed. For example, a push button type as shown in Patent Documents 1 and 2, provided on the upper part of a holder, and pushed down from above. , A push button type as shown in Patent Document 3, a type provided on the side surface of the holder and pushed inward, and a slide type as shown in Patent Documents 4 and 5. Some are operated by sliding toward the side.

JP-A-10-290164 Japanese Unexamined Patent Publication No. 2014-104518 Japanese Unexamined Patent Publication No. 9-272078 Japanese Unexamined Patent Publication No. 2004-666377 Japanese Unexamined Patent Publication No. 2010-23123

However, all of the operation buttons provided on the conventional holder described above have difficulty in positioning and operation direction in order to operate while pulling up the small instrument. Therefore, the conventional holder has this operation button. When you operate, you may feel uncomfortable with the fingers you operate, the elbows and shoulders of your hands may be strained, or you may not be able to pull up a small device with a series of finger operations. There was a problem that the other hand had to be attached, and the operator could not easily and smoothly remove the small instrument from the holder with one hand.

The present invention has been made in view of the current situation, and the operability of the operation buttons has been improved so that the operator can easily pull up and operate the small instrument while releasing the operation buttons with one hand. It is an object of the present invention to provide an easy-to-use small tool holder for work in which a small tool can be smoothly removed from the holder.

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

A small work tool holder for attaching a small work tool 20 such as a spirit level or a tape measure that can be carried by a worker to the waist of the worker, and is detachably attached to the waist of the worker. The holder main body 1 is provided with a bracket insertion portion 3 into which the bracket 2 attached to the small work tool 20 is slid and inserted from above to below, and the bracket 2 is inserted into the bracket insertion portion 3 from above. A detachment prevention engaging portion 4 that automatically engages with the bracket 2 by sliding it downward to prevent the bracket 2 from being detached upward from the slide insertion portion 3 Is provided, and the small work tool 20 attached to the holder main body 1 via the bracket 2 is supported from below by the fingers of one hand and pulled upward by the pull-out prevention engaging portion 4. When removing from the part 1, the pull-out prevention engaging part 4 can be retracted and moved to the worker side by pushing the small work tool 20 in a direction away from the worker with the thumb of one hand. The detachment prevention engagement portion 4 with the bracket 2 is released from the detachment prevention engagement portion 4, and a thumb operation portion 5 for removing the work small instrument 20 from the holder main body portion 1 with one hand is provided. It relates to a holder for a small work instrument, which is characterized in that.

Further, the withdrawal prevention engaging portion 4 is provided with the thumb operation portion 5 on the upper side and an engaging claw portion 6 for engaging with the bracket 2 to prevent withdrawal on the lower side. The portion 6 is movably arranged at a detachment prevention engaging position that prevents the bracket 2 that is slid-inserted into the bracket insertion portion 3 by the urging portion 7 from being detached, and the bracket 2 is displaced. When the bracket is inserted into the bracket insertion portion 3 by sliding, the bracket 2 is depressed against the urging force of the urging portion 7 by the pressing action of the bracket 2, and the pressing action of the bracket 2 is released to release the urging. It is configured to return to the detachment prevention engagement position by the urging force of the portion 7 and engage with the bracket 2 to prevent the bracket 2 from being detached from the bracket insertion portion 3. The present invention relates to a holder for a small working instrument according to claim 1, wherein the holder is provided.

Further, the thumb operating portion 5 and the engaging claw portion 6 are integrally formed with the detachment prevention engaging portion 4, and the detachment prevention engaging portion 4 is engaged with the thumb operating portion 5. A shaft portion 8 is provided between the claw portion 6 and the holder main body portion 1 via the shaft portion 8, and the thumb operation portion 5 is pushed in a direction away from the operator. By being operated, the engaging claw portion 6 retracts and rotates toward the body side of the worker against the urging force of the urging portion 7, and the disengagement prevention engagement with the bracket 2 is released. The present invention relates to a holder for a small working instrument according to claim 2, wherein the holder is configured to be used.

Further, the thumb operating unit 5 is provided with a finger hooking unit 5a for hooking the thumb of a hand that pushes the thumb operating unit 5 in the outward direction away from the operator. It relates to the holder for a small work instrument according to any one of 1 to 3.

Further, it is a holder for a small work instrument for attaching the handy type level 20 which is the small work instrument 20 to the waist of the worker, and is detachably attached to the waist of the worker. The holder main body 1 is provided with a bracket insertion portion 3 in which the bracket 2 attached to the center position of the spirit level 20 is slid-inserted from above to below with the spirit level 20 in a horizontally elongated state. By sliding and inserting the bracket 2 into the bracket insertion portion 3 from above to downward, the bracket 2 is automatically engaged with the bracket 2 to prevent it from coming off, and the bracket 2 is moved upward from the slide insertion portion 3. The spirit level 20 is provided with the detachment prevention engaging portion 4 for preventing the detachment from being detached from the spirit level, and is attached to the detachment prevention engaging portion 4 via the bracket 2 in a horizontally long state. When removing the spirit level 20 from the holder main body 1 by supporting it from below with the fingers of one hand and pulling it upward, the spirit level 20 is pulled out by being pushed with the thumb of one hand in a direction away from the operator. The prevention engaging portion 4 retracts and moves toward the operator side, the disconnection prevention engagement portion 4 with the bracket 2 is released, and the level 20 in the horizontally elongated state is held with one hand. The holder for a small work instrument according to any one of claims 1 to 4, wherein the thumb operation portion 5 to be removed from the holder main body portion 1 is provided.

Since the present invention is configured as described above, the operator can easily pull up and operate the small work tool while pushing the thumb operation part with one hand, and the small work tool can be smoothly moved to the holder main body. It is a convenient holder for small work equipment that can be removed from.

It is a perspective view which shows the holder main body part and bracket of this Example. It is an exploded perspective view which shows the holder main body part of this Example. It is explanatory normal sectional view which shows the state which attached the spirit level to this Example in a horizontally long state. FIG. 3 is an explanatory plan sectional view of a main part in FIG. It is explanatory side sectional view which shows the operation example of this Example. It is explanatory top view which shows the operation example of this Example. It is explanatory side sectional view which shows the operation example of this Example. It is operation explanatory drawing of the engaging claw part of this Example. It is explanatory normal sectional view which shows the state which attached the spirit level to this Example in a vertically elongated state. It is a perspective view which shows the use state of this Example.

An embodiment of the present invention that is considered to be suitable will be briefly described by showing the operation of the present invention based on the drawings.

The present invention is detachably attached to the waist of an operator, and by attaching the small work instrument 20 to the present invention, the small work instrument 20 can be carried without having to hold it by hand.

To attach the small work tool 20 to the present invention, the bracket 2 attached to the small work tool 20 is attached to the bracket of the holder main body 1 attached to the vicinity of the side of the waist of the worker, as in the conventional case. By sliding and inserting into the insertion portion 3 from above to downward, the detachment prevention engaging portion 4 provided in the holder main body 1 automatically engages with the bracket 2 to prevent detachment, and the bracket of the bracket 2 Removal from the insertion portion 3 is prevented, whereby the small work tool 20 is attached and held to the holder main body portion 1.

Further, when removing the small work device 20 attached to the holder body 1 from the holder body 1, the worker's hand on which the holder body 1 is attached is attached to the small work device 20. While supporting the small work device 20 from below with fingers other than the thumb of this hand, apply the thumb of this hand to the thumb operation unit 5, and use the thumb applied to the thumb operation unit 5 to support the thumb operation unit 5. A push operation is performed in a direction away from the operator's body, and the pull-out prevention engaging portion 4 engaged with the bracket 2 is retracted and moved by the push-push operation of the thumb operation portion 5. While releasing the detachment prevention engagement with the bracket 2 of the detachment prevention engaging portion 4, the small work instrument 20 is pulled upward by the finger supporting the small work instrument 20 from below. By separating the bracket 2 from the bracket insertion portion 3, the small working instrument 20 can be removed from the holder main body portion 1.

That is, in the present invention, the thumb operating portion 5 operated when disengaging the detachment prevention engaging portion 4 for preventing the bracket 2 from being detached from the bracket insertion portion 3 is the body of the operator. Because the push operation is performed in the direction away from (away from), that is, in other words, in the present invention, the operation direction of the thumb operation unit 5 and the thumb that pushes the thumb operation unit 5 are the most. Since the direction was set to approach the index finger of the hand attached to the small work device 20 attached to the outside of the holder main body 1 via the easily movable bracket 2, the small work device 20 was moved upward. The push operation of the thumb operation unit 5 can be easily and comfortably operated with the thumb even while pulling up, and the thumb after the push operation is directly applied to the small work device 20 for work. Since the small work equipment 20 can be gripped with the fingers supporting the small equipment 20 from below, the small work equipment 20 can be held firmly from the holder body 1 while holding the small work equipment 20 firmly. It can be removed smoothly.

As described above, according to the present invention, the operator can easily pull up and operate the small work tool 20 while pushing the thumb operation unit 5 with one hand, and smoothly holds the small work tool 20 in the holder body. It is a convenient holder for small work equipment that can be removed from part 1.

Specific examples of the present invention will be described with reference to the drawings.

This embodiment is a level holder for carrying a handy type horizontal rectangular level 20 (hereinafter, simply referred to as a level 20), which is a small work tool 20, attached to the waist of an operator. As shown in FIG. 1, the holder main body 1 is detachably attached to the waist of the operator, and the bracket 2 is attached to the spirit level 20.

Specifically, the holder main body 1 has a bracket insertion portion 3 in which the bracket 2 attached to the leveling device 20 is slid and inserted from above to below, and the bracket 2 is inserted into the bracket insertion portion 3 from above to below. A detachment prevention engaging portion 4 is provided which automatically engages with the bracket 2 to prevent the bracket 2 from being detached upward from the slide insertion portion 3 by sliding and inserting the bracket 2. The detachment prevention engaging portion 4 is provided with a thumb operation portion 5 for releasing the detachment prevention engagement with the bracket 2 of the detachment prevention engagement portion 4, and the holder main body portion is provided via the bracket 2. When the leveling device 20 attached to 1 is supported from below with the fingers of one hand and pulled upward to be removed from the holder main body 1, the thumb operating part 5 is moved away from the operator with the thumb of one hand to pull up the leveling device 20. By pushing the button, the pull-out prevention engaging portion 4 can be retracted to the operator side, the pull-out prevention engagement portion 4 with the bracket 2 is released, and the leveling device 20 is moved. It is configured so that it can be removed from the holder main body 1 with one hand.

More specifically, as shown in FIG. 2, the holder main body 1 is composed of a holder base 1a and a holder cover 1b provided on the holder base 1a in a superposed state, and the holder base 1a On the side, a belt insertion portion 9 for attaching the holder main body 1 to an operator, a spacer portion 10 for suppressing rattling of the bracket 2 which is slid into the bracket insertion portion 3 during sliding movement, and a fall prevention cord 30 A first connecting portion forming hole 11a for forming a connecting portion 11 for connecting the connecting ring 31 provided in the holder cover portion 1b is provided, and a bracket insertion portion 3 and a detachment prevention engaging portion are provided on the holder cover portion 1b side. A second connecting portion forming hole 11b that communicates with the detachment prevention engaging portion arranging portion 12 provided with 4 and the first connecting portion forming hole 11a provided in the holder base portion 1a to form the connecting portion 11. And are provided.

More specifically, the belt insertion portion 9 is configured as a clip type so that the belt can be easily engaged with the belt without removing it from the trousers.

Further, the spacer portion 10 is formed in a convex portion and extends along the sliding movement direction of the bracket 2 so that the bracket insertion portion 3 slides along the bracket 2 in a close state to the bracket 2. When the bracket 2 is displaced inward, it comes into contact with the spacer portion 10 to prevent the bracket 2 from being displaced further inward, and suppresses rattling (inward displacement) when the bracket 2 is slid. It is configured to do.

Further, the bracket insertion portion 3 is formed by an opening formed in the upper part of the holder cover portion 1b and a Y-shaped notch formed in the front portion, and as shown in FIG. 3, both sides of the notch facing each other. The vertical notch edge of the bracket 2 is configured to be a guide rail portion 3a for guiding the sliding movement of the bracket 2.

Further, as shown in FIG. 2, the pull-out prevention engaging portion 4 is provided with an engaging claw portion 6 that engages with the bracket 2 that is slid-inserted into the bracket insertion portion 3 to prevent pull-out. The claw portion 6 is movably arranged at a detachment prevention engaging position that prevents the bracket 2 that is slidly inserted into the bracket insertion portion 3 by the urging portion 7 from being detached, and the bracket 2 is inserted into the bracket. When the slide is inserted into the portion 3, the pressing action of the bracket 2 causes the urging portion 7 to retract and move (submerge) against the urging force of the urging portion 7, and the pressing action of the bracket 2 is released so that the urging portion 7 is released. It is configured to return to the pull-out prevention engagement position by the urging force of the bracket 2 and engage with the bracket 2 to prevent the bracket 2 from being pulled out from the bracket insertion portion 3.

Further, when the leveling device 20 attached to the holder main body 1 via the bracket 2 is supported from below with the fingers of one hand and pulled upward to be removed from the holder main body 1 A thumb operation portion 5 for disengaging the above-mentioned engagement claw portion 6 with the bracket 2 for preventing disconnection is provided above the engagement claw portion 6, and the thumb operation portion 5 is the holder main body. The leveling device 20 attached to the portion 1 is pulled up, and the thumb of one hand is used to push the lever in a direction away from the operator. The detachment prevention engaging portion 4 uses the thumb operation portion 5 of the operator. By pushing toward the outside away from the body of the body, the engaging claw portion 6 retracts and moves (submerges) against the urging force of the urging portion 7, and the engaging claw portion 6 and the bracket 2 It is configured to disengage the disconnection prevention engagement.

That is, in this embodiment, as shown in FIGS. 5 to 7, the spirit level 20 attached to the holder main body 1 via the bracket 2 is supported from below with the fingers of one hand and pulled upward to the holder main body 1. When removing from the spirit level 20, the thumb operation unit 5 is pushed away from the operator with the thumb of one hand to pull up the spirit level 20, and the engagement unit 4 is retracted and moved to the operator side to prevent the spirit level from being removed from the operator. Prevention of disconnection and disengagement of the engaging portion 4 with the bracket 2 The engagement is released, and the bracket 2 is slid upward by pulling up the spirit level 20 to disengage and disengage from the bracket insertion portion 3 to move the spirit level 20 with one hand. It is configured so that it can be removed from the holder body 1.

Specifically, in the pull-out prevention engaging portion 4, the thumb operation portion 5, the engaging claw portion 6, and the urging portion 7 are integrally formed with the pull-out prevention engaging portion 4, as shown in FIG. A shaft portion 8 is provided between the thumb operation portion 5 and the engaging claw portion 6, and is provided on the holder main body portion 1, specifically, the holder cover portion 1b via the shaft portion 8. It was pivotally attached to the detachment prevention engaging portion disposing portion 12, and was provided swingably with respect to the holder main body portion 1, and was disposed on the upper part of the holder main body portion 1 as shown in FIG. When the thumb operating portion 5 is pushed away from the operator, the engaging claw portion 6 retracts to the operator's body side against the urging force of the urging portion 7, as shown in FIG. It is configured to rotate to release the detachment prevention engagement with the bracket 2.

More specifically, the thumb operation unit 5 is provided with a standing wall-shaped finger hook 5a for hooking the thumb of the hand that pushes the thumb operation unit 5 outward away from the operator. The thumb operating portion 5 is configured to be easily pushed outward away from the operator by hooking the abdomen of the thumb on the portion 5a.

Further, the engaging claw portion 6 has a front-down inclined surface portion 6a, and a pressing action generated by sliding downward while the bracket 2 slid-inserted into the bracket insertion portion 3 abuts on the front-down inclined surface portion 6a. Withstands the urging force of the urging portion 7 and retracts inward, which is the direction closer to the operator's body, to prevent the bracket 2 from being detached from the bracket insertion portion 3. Then, the bracket 2 passes through the front-down inclined surface portion 6a and the pressing action is released, so that the urging force of the urging portion 7 prevents the bracket 2 from being detached from the bracket insertion portion 3. It is configured to return to the position and engage with the bracket 2 slid-inserted into the bracket insertion portion 3 to prevent the bracket 2 from being detached from the bracket insertion portion 3.

Further, as shown in FIG. 2, the urging portion 7 is formed in a leaf spring shape curved so as to be convex outward, and as shown in FIG. 6, the tip portion is the holder base portion of the holder main body portion 1. It is provided in the central portion of the detachment prevention engaging portion 4 so as to come into contact with 1a, and is provided by sliding the bracket 2 into the bracket insertion portion 3 or by pushing the thumb operation portion 5 as shown in FIG. The holder base portion 1a is pressed and elastically deformed to accumulate pressure, and the slide insertion of the bracket 2 into the bracket insertion portion 3 and the push operation of the thumb operation portion 5 are released, so that the accumulated pressure is engaged. The joint claw portion 6 is returned and moved to position and urge the engaging claw portion 6 to the disengagement prevention engaging position.

Further, as shown in FIGS. 1 and 4, the bracket 2 attached to the spirit level 20 includes a locking portion 2a that is locked to the spirit level 20, a slider portion 2b that is slid-inserted into the bracket insertion portion 3. The structure is composed of a connecting portion 2c that connects the locking portion 2a and the slider portion 2b, and a concave groove portion 2d formed between the locking portion 2a and the slider portion 2b.

Specifically, the slider portion 2b formed in a circular shape is engaged via the slider portion 2b and the connecting portion 2c formed in a substantially square shape smaller than the locking portion 2a locked to the level device 20. It is configured to face the stop portion 2a, and when this slider portion 2b is inserted into the bracket insertion portion 3 regardless of the vertical and horizontal orientations, the concave groove portion 2d becomes the guide rail portion 3a of the bracket insertion portion 3. When engaged and the concave groove portion 2d moves up and down along the guide rail portion 3a, the slider portion 2b is configured to slide and move in the bracket insertion portion 3 in the vertical direction.

That is, in this embodiment, as shown in FIGS. 3 and 9, the slider portion 2b of the bracket 2 is slidly inserted into the bracket insertion portion 3 regardless of whether the spirit level 20 is in the horizontally or vertically elongated state. The level 20 can be attached to the holder main body 1 in either a horizontally long state or a vertically long state.

The effects of the present embodiment configured as described above will be described below.

The belt insertion portion 9 of the holder main body 1 of this embodiment is engaged with the side of the worker's waist, for example, by engaging with the belt worn by the worker, and the holder main body 1 is attached to the worker, and a spirit level is provided. By sliding the bracket 2 attached to 20 into the bracket insertion portion 3 of the holder main body 1 attached to this operator from above to downward, the detachment prevention engaging portion provided in the holder main body 1 is provided. The engaging claw portion 6 of 4 engages with the bracket 2 to prevent detachment, thereby preventing the bracket 2 from detaching from the bracket insertion portion 3, whereby the spirit level 20 can be placed in either the horizontally or vertically elongated state. It can be held by the holder main body 1, and the operator can carry the level 20 without having to hold the level 20 by hand or put it in a pocket.

Further, as shown in FIG. 10, when the leveling device 20 is attached to the waist of the operator in a horizontally long state, when the leveling device 20 attached to the holder main body 1 is removed from the holder main body 1, FIG. As shown in 5 and 6, the hand on the side where the holder body 1 of the operator is attached is attached to the leveling device 20, and the leveling device 20 is supported from below with fingers other than the thumb of this hand, and this hand is used. The thumb of the thumb is applied to the thumb operation unit 5, and as shown in FIG. 7, the finger hook portion 5a of the thumb operation unit 5 is directed away from the worker's body with the thumb applied to the thumb operation unit 5. The push operation is performed to retract and rotate the engaging claw portion 6 that is engaged with the bracket 2 to prevent it from being pulled out, and while releasing the engagement between the engaging claw portion 6 and the bracket 2 to prevent it from being pulled out, the level The leveling device 20 can be easily removed from the holder body 1 by pulling up the leveling device 20 with a finger supporting the device 20 from below and pulling out (disengaging) the bracket 2 from the bracket insertion part 3. Can be removed smoothly.

That is, in this embodiment, the thumb operation unit operated when disengaging the disengagement prevention engagement of the engagement claw portion 6 of the disengagement prevention engagement portion 4 that prevents the bracket 2 from being disengaged from the bracket insertion portion 3. Because the push operation of 5 is performed in the direction away from (moving away from) the operator's body, that is, in other words, in this embodiment, the operation direction of the thumb operation unit 5 is changed to the thumb operation unit 5. Since the direction is such that the thumb is moved closer to the index finger of the hand attached to the leveling device 20 attached to the outside of the holder main body 1 via the bracket 2 which is the easiest to move the thumb. The push operation of the thumb operation unit 5 can be easily operated with the thumb while pulling up the 20 upward, and the thumb after the push operation is directly applied to the level device 20. Since the leveling device 20 can be gripped with the fingers supporting the leveling device 20 from below, the leveling device 20 can be smoothly removed from the holder main body 1 while firmly holding the leveling device 20. In the operation of taking out the leveling device 20, problems such as dropping the leveling device 20 are reduced as much as possible, and usability is improved.

Moreover, in this embodiment, since the spirit level 20 can be attached to the holder main body 1 in a horizontally long state in which the measurement reference surface provided with the magnet is on the lower side, other than the magnet of the spirit level 20 being carried. The attraction of this magnet to other tools is reduced, and you can carry and work with peace of mind without worrying about the attraction of this magnet to other tools.

As described above, in this embodiment, the operator can easily pull up the spirit level 20 while pushing the thumb operation unit 5 with one hand, and smoothly pull the spirit level 20 from the holder main body 1. It is an epoch-making level holder that can be removed and is extremely easy to use without causing problems such as adsorption of the level 20 to other tools by the magnet 21 when carrying it.

The present invention is not limited to the present embodiment, and the specific configuration of each constituent requirement can be appropriately designed.

1 Holder body 2 Bracket 3 Bracket insertion part 4 Detachment prevention engagement part 5 Thumb operation part 5a Finger hook part 6 Engagement claw part 7 Basis part 8 Shaft part
20 Small work equipment, spirit level

Claims (5)

A small work tool holder for attaching a small work tool such as a spirit level or a tape measure to the worker's waist, which is detachably attached to the worker's waist. The main body is provided with a bracket insertion portion into which the bracket attached to the small work tool is slid and inserted from above to below, and the bracket is slid and inserted into the bracket insertion portion from above to below. As a result, a detachment prevention engaging portion is provided that automatically engages with the bracket to prevent the bracket from being detached upward from the slide insertion portion, and the detachment prevention engaging portion is provided. In addition, when the small work tool attached to the holder main body via the bracket is supported from below with the fingers of one hand and pulled upward, the small work tool is pulled up when the small work tool is removed from the holder body. By pushing the operator away from the worker with his / her thumb, the detachment prevention engaging portion retracts and moves toward the operator, and the detachment prevention engaging portion engages with the bracket. A holder for a small work instrument, characterized in that a thumb operation portion for removing the small work instrument from the holder main body with one hand is provided. The pull-out prevention engaging portion is provided with the thumb operating portion on the upper side and an engaging claw portion for engaging with the bracket on the lower side to prevent pulling out, and the engaging claw portion is an urging portion. When the bracket is slidably inserted into the bracket insertion portion by the urging of the bracket, the bracket is movably arranged at a detachment prevention engaging position for preventing the bracket from being detached. Due to the pressing action of the bracket, it sinks against the urging force of the urging portion, and when the pressing action of the bracket is released, the urging force of the urging portion returns to the disengagement prevention engaging position and moves. The holder for a small working instrument according to claim 1, further comprising engaging with the bracket to prevent the bracket from being pulled out from the bracket insertion portion. The thumb operating portion and the engaging claw portion are integrally formed with the detachment prevention engaging portion, and the detachment prevention engaging portion is a shaft between the thumb operating portion and the engaging claw portion. A portion is provided, and the holder main body portion is rotatably provided via the shaft portion, and the thumb operating portion is pushed in a direction away from the operator, whereby the engaging claw portion is released. 2. The second aspect of the present invention is characterized in that it is configured to retract and rotate toward the body side of the worker against the urging force of the urging portion to release the disconnection prevention engagement with the bracket. The holder for the small work equipment described. Any of claims 1 to 3, wherein the thumb operation portion is provided with a finger hook portion for hooking the thumb of a hand that pushes the thumb operation portion outward away from the operator. The holder for small work equipment according to item 1. A holder for a small work device for attaching a handy type spirit level, which is a small work device, to the waist of the worker, and the holder body is detachably attached to the waist of the worker. A bracket insertion portion is provided in which the bracket attached to the center position of the spirit level is slid-inserted from above to downward with the spirit level in a horizontally long state, and the bracket insertion portion is provided with the bracket. The detachment prevention engaging portion automatically engages with the bracket by sliding and inserting the bracket from the upper side to the lower side to prevent the bracket from being detached upward from the slide insertion portion. Is provided, and the spirit level, which is horizontally attached to the holder main body via the bracket, is supported from below with the finger of one hand and pulled upward to be removed from the holder main body. When the spirit level is pulled up by the thumb of one hand, the pull-out prevention engaging portion is retracted and moved to the worker side by pushing the lever in a direction away from the worker. The thumb operating portion for removing the spirit level in a horizontally long state from the holder main body with one hand is provided by disengaging the engagement with the bracket. Holder for small work equipment according to any one item.

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