JP2001241949A - Spirit level - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a spirit level in which a rubber part is formed through the use of the end blocking member of a device body case and which is capable of easily forming the rubber part as a protruded body made of rubber to form the rubber part is provided with a simple structure and can be easily mounted while the end blocking member is of a resin mold as before. SOLUTION: In the spirit level in which the device body case 1 is provided with a bubble tube 2 for measurement in a state visible from the outside, by making the blocking body 4 of a resin to block the end opening part 3 of the device body case 1, a fastening part 5 is formed in the outer surface of the blocking body 4, and a protruded body 6 made of rubber to be pressed in and fastened to the fastening part 5 and protruded from the end part of the device body case 1 is provided for the blocking body 4 to form the rubber part for absorbing drop impact at the end part of the device body case 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a level in which a measuring bubble tube is provided in a case body so that it can be visually recognized from the outside, and which has a rubber portion for absorbing a drop impact at an end thereof.

[0002]

2. Description of the Related Art Although a drop impact can be absorbed by providing a rubber portion at the end of a case body, there is no device which can be easily mounted externally with a simple structure.

[0003] The end closing member of the case is generally made of resin, but it is not practically easy to attach rubber to this resin molded product, and if it is made of all rubber, the mounting structure is not easy. .

On the other hand, there is a case where a measuring bubble tube is incorporated in the end closing member and an adjustment structure for finely adjusting the mounting angle of the measuring bubble tube is provided. In that case, the rubber member cannot be made of all rubber. Must be made of rigid resin.

According to the present invention, the rubber portion is formed by using the end closing member of the case body. However, the end closing member is formed into a resin molded product as before, and then the rubber portion is formed. It is an object of the present invention to provide a revolutionary level that can easily form a rubber portion because a rubber projection body to be formed can be easily attached with a simple structure.

[0006]

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

In a spirit level provided with a measuring bubble tube 2 in a state where it can be visually recognized from outside, the case 1
The closing body 4 for closing the end opening 3 is formed of resin, thereby forming a locking portion 5 on the outer surface of the closing body 4. A leveling device according to claim 1, wherein a rubber protruding body (6) protruding from one end is attached to the closing body (4), and a rubber part for drop impact absorption is formed at the end of the case body (1). .

The locking portion 5 is formed on the exposed outer surface of the closing member 4 by resin molding, and is press-fitted into the locking portion 5 to be engaged with the rubber projecting member 6 so that the rubber protruding member 6 is attached to the container. 2. The level according to claim 1, wherein the closing body is provided so as to protrude and be exposed from an end of the body case.

Further, the closing member 4 is connected to the case 1.
A fitting portion 9 is provided on a closing portion 4A for closing the end opening portion 3 through a continuation fulcrum portion 10 so as to be finely movable, and a mounting fitting body 7 provided with the measuring bubble tube 2 in the fitting portion 9 is provided. The measuring bubble tube 2 is configured to be visible through a window 8 provided in the case 1, and a fine adjustment screw 11 is provided in the closing portion 4A. Abuttingly disposed on the fitting portion 9 or fitted and disposed on a screw receiving portion 12 provided on the fitting portion 9;
By turning the fine adjustment screw 11, the closing portion 4A
The level according to claim 1 or 2, wherein the swinging fine movement position of the fitting portion (9) with respect to (b) is configured to be adjustable so that the mounting angle of the measurement bubble tube (2) can be corrected. Things.

The closing body 4 is provided on the body case 1 at a position inside the body case of a closing portion 4A of the closing body 4 for closing the end opening 3 of the body case 1. A communication tube portion 14 that is in communication with the through-hole 13 protrudes, and a fitting portion 9 in which an attachment fitting body 7 to which the measurement bubble tube 2 is mounted is fitted and fixed to the inside of the body case of the communication tube portion 14. The measuring bubble tube 2 is configured to project from a window hole 8 provided in the body case 1 so as to be visible.
With the supporting point 10 connected to the supporting point 14 as a fulcrum, the fitting part 9 is configured to be swingable and finely movable with respect to the communication cylinder part 14, 15 is inserted into and fitted to the communication tube portion 14, the communication tube portion 14 is fixed to the body case 1 so as to be immovable, and the fine adjustment screw 11 is provided in the closing portion 4A. A screw 11 for abutting against the fitting portion 9 or a fitting for a screw receiving portion 12 provided on the fitting portion 9 is provided. 4. The level according to claim 3, wherein the swinging fine movement position of the fitting portion 9 is configured to be adjustable, and the mounting angle of the measurement bubble tube 2 is configured to be adjustable. .

The level according to any one of claims 3 and 4, wherein the rubber protrusion (6) is provided with a screw mounting hole (18) for providing the fine adjustment screw (11). It is related.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of the present invention (how to implement the invention) will be briefly described with reference to the drawings, showing the operational effects thereof.

When the closing member 4 is closed at the end opening 3 of the body case 1, a rubber projecting member 6 is press-fitted and locked into a locking portion 5 integrally formed at the time of resin molding of the closing member 4. A rubber projection 6 is attached to the closing body 4, and a rubber part for drop impact absorption is formed at the end of the case 1.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Specific embodiments of the present invention will be described with reference to the drawings.

The front and rear sides of the body case 1 are located at an intermediate position on the inner side of the body case of a closing portion 4A which is press-fitted and closed in the end opening 3 of the long rectangular metal body case 1. A communication cylinder portion 14 that is in communication with the hook through hole 13 that is formed near the end of both surfaces is protrudingly provided. Further, a shallow cylindrical mounting fitting is provided at the center of the communication cylinder portion 14 on the inner side of the body case. An engaging hole 9A is formed, and a fitting portion 9 having a substantially square shape and having a lightening portion 9B provided on a side surface of the corner portion and substantially matching the width of the case 1 is provided. That is, the closing member 4 has a configuration in which the fitting portion 9 is provided on the closing portion 4A via the communication tube portion 14.

Further, a shallow cylindrical transparent member is used as the mounting member 7, and the bubble tube 2 for measurement is buried in the transparent mounting member 7, and the mounting member 7 is mounted on the mounting portion 9. The fitting hole 9A is configured to be press-fitted or fitted and fixedly fastened.

In this embodiment, the bubble tube 3 buried in the transparent mounting member 7 is visually recognized from the circular window hole 8 formed near the end of the front and rear surfaces of the side surface of the case 1. It is configured to be able to.

Further, in this embodiment, the closing part 4A, the connecting cylinder part 8 and the fitting part 9 which are formed in series are integrally formed of resin to form the closing body 4, and the measuring bubble tube 2 is also formed. The transparent fitting member 7 is also formed of resin and is fitted to the fitting part 9.

In this embodiment, the top position of the inner peripheral surface of the communication cylinder 14 is connected to the communication cylinder 14 as if the communication cylinder 14 and the fitting part 9 are connected at one point in the middle. The fitting part 9 is integrally formed as a fulcrum part 10 in a series, and the closing part 4A and the fitting part 9 are separated from each other at the left and right positions with respect to the direction of insertion into the case 1 with the continuous fulcrum part 10 as a boundary. A space 16 is provided between them.

As described above, the communication tube portion 14 and the fitting portion 9 are configured so as to be substantially linearly connected in a substantially point-like connection state when viewed from the side. Numeral 9 is configured to bend left and right and swing finely.

In this embodiment, a resin-made fixing tube 15 is inserted from the hooking through hole 13 and inserted and fitted into the communication tube portion 14, fixed by ultrasonic welding and fixed. Is fixed at the position of the hook through hole 13 so as to be immovable with respect to the body case 1 in a positioning state.

In this embodiment, the fine adjustment screw 11 is provided so as to extend over one of the left and right gaps 16 and penetrate the closing portion 4A, and the tip of the fine adjustment screw 11 is fitted. Screw receiving part 12 provided on the closed part 4A side (gap part 16 side) of the part 9
The tip of the fine-adjustment screw 11 is turned by screwing the screw head of the fine-adjustment screw 11 into the screw mounting hole 19 of the closing portion 4A. The screw receiving part 12
The distance between the other gap 16 with respect to the one gap 16 is changed by screwing forward and backward, and toward one side with respect to the communication cylinder 14 positioned and fixed in the through hole 13 for hooking as described above. The fitting portion 9 is configured to be able to bend and finely adjust and fix.

Therefore, the transparent mounting fitting 7 is attached to the fitting portion 9 so that the mounting angle of the measuring bubble tube 2 is oriented in a predetermined direction, for example, at a right angle to the bottom surface of the case 1.
For example, when the bottom surface of the body case 1 abuts on a vertical reference vertical plane after the fitting and fastening, the bubble tube 2 for measurement is horizontal and bubbles are not in the horizontal display position and are slightly out of order. By rotating the fine adjustment screw 11, the fitting portion 9 is flexed and finely moved with respect to the communication tube portion 14, and bubbles are displayed in a horizontal display position (a position indicating that the measurement surface is vertical). It is configured so that fine adjustment can be made.

Therefore, in this embodiment, except for the screw 11 for adjustment, all can be molded from resin, and since the closing portion 4A, the communication tube portion 14, and the fitting portion 9 can be integrally formed, the number of parts is also small. The configuration is small and suitable for mass production.

Further, as described above, the closing portion 4A is press-fitted into the end opening 3 of the body case 1 and closed and fixed, so that the mounting angle of the measuring bubble tube 2 in the window hole 8 can be changed. Body case 1
It can be fine-tuned simply by turning it from the outside with a tool such as a screwdriver.

Further, the through hole 13 for hooking the
Even if a configuration is provided, this is a configuration in which this escapes. Rather, using the hooking through-hole 13, the communication cylinder portion 14, which should be an immovable portion serving as a reference for fine adjustment, is immovably fixed to the body case 1. It has a configuration that can be fixed.

Therefore, not only the fixing by the closing portion 4A but also the communication tube portion 14 which is a reference close to the swinging fine movement position can be fixed, so that the mounting angle of the measuring bubble tube 2 with very high precision can be finely adjusted. In addition, it is less likely to be out of order after use, and in this sense, it has excellent durability.

Further, since the fixing cylinder 15 is inserted into and fixed to the hooking through hole 13, the hook rod is inserted into the hooking through hole 13 to suspend the body case 1 on a wall or the like when not in use. Even if it is lowered, the communication tube portion 14 is fixedly fixed by the fixing tube 15, so that the fitting portion 9 to which the mounting member 7 is fixed is fixed.
Does not move slightly, and the mounting angle does not change even when used for hanging.

Further, in this embodiment, since the hook-through hole 13 can be disposed between the window hole 8 and the edge of the case 1, the hook-through hole 13 is close to the edge. It can be arranged at a position, can be hung with good stability, and the value of the through hole 13 for hooking is improved.

Further, in this embodiment, the fine adjustment by the fine adjustment screw 11 is facilitated, the correction accuracy is further improved, and the gap portion in which the fine adjustment screw 11 is provided so that the above-mentioned operation and effect can be surely exhibited. An elastic body 17 that urges the gap 16 in a direction to widen the gap is provided on the gap 16.

In the present embodiment, the elastic body 17 is a U-shaped leaf spring, and is disposed so as to be fitted on the fine adjustment screw 11.
Specifically, a U-shaped leaf spring is formed of resin, and the U-shaped bottom portion is fitted to the screw receiving portion 12 of the fine adjustment screw 11, and the upper end of the U-shaped portion corresponds to the closing portion 4A. The fine adjustment screw 11 is arranged between the U-shaped parts, and when the fine adjustment screw 11 is rotated to reduce the interval between the gaps 16, the leaf spring 17 Is compressed and narrowed against this compression elasticity.

Therefore, the leaf spring 17 can also be made of a resin molded product, the arrangement structure is easy, and the mass productivity is extremely excellent.

In this embodiment, the closing member 4 provided with the mechanism for adjusting the mounting angle of the measurement bubble tube 2 is formed of resin, so that the connecting member 4A is formed on the exposed outer surface of the closing portion 4A of the closing member 4. A stopper 5 is formed integrally with the stopper 4, and the rubber protrusion 6 is rearwardly fitted to the stopper 4 by being press-fitted into the stopper 5 so as to project from the end of the case 1. A rubber part for absorbing a drop impact is formed at an end of the case 1.

Therefore, the closing member 4 is formed of resin, and the rubber projection 6 is press-fitted and locked into the locking portion 5 integrally formed at the time of molding, so that the shock absorbing rubber portion can be easily externally attached (the rear portion). Attached) can be installed, does not add much cost,
It will be extremely innovative in terms of mass productivity.

Various structures can be considered as the structure of the locking portion 5. In this embodiment, a locking ridge having an umbrella-shaped cross section is formed with a predetermined length along the width of the closing portion 4A. Forming an engagement concave portion to be fitted and locked on the locking ridge on the back surface of the rubber protrusion 6,
It is configured such that it can be press-fitted and locked into the locking portion 5 while being bent and deformed. In addition, the fine adjustment screw 11
And a screw mounting hole 18 for penetrating and locking.

The rubber protrusion 6 is provided with a screw mounting hole 18 for providing the fine adjustment screw 11.

Therefore, the rubber projection 6 may be provided after the mounting angle is adjusted by the fine adjustment screw 11,
After the attachment, the attachment angle can be finely adjusted by turning the fine adjustment screw 11 with a screwdriver or the like through the screw attachment hole 18.

[0038]

According to the present invention, as described above, the rubber portion is formed by using the end closing member of the body case. However, this end closing member is merely a resin molded product as in the prior art. In addition, the rubber protrusion that forms the rubber portion can be easily attached by the locking portion integrally molded at the time of this resin molding, and can be easily attached with a simple structure, so that the rubber portion is easily formed. It is a revolutionary level that enables you to do this.

That is, although it is not made of all-rubber, it is simple and inexpensive to install, and since the rubber portion is formed by using the end closing member of the case, the mounting is extremely simple. In addition, it is a revolutionary level that is extremely practical and can be easily mounted with a rubber-made protrusion, which is another component to be externally mounted, with a simple configuration.

According to the third and fourth aspects of the present invention, the closing body is provided with a measuring bubble tube, and the mounting angle can be finely adjusted. The locking portion is integrally formed when integrally molded, and a rubber projection is attached to the locking portion. Therefore, the rubber projection can be easily used by using the closing member without disturbing the function of the closing member. It is an epoch-making level that can attach a body, and can form a shock absorbing rubber portion that can be easily attached with a simple configuration.

According to the fifth aspect of the present invention, the rubber protrusion may be additionally provided after the mounting angle is further adjusted by a fine adjustment screw, or the rubber projection may be provided through the screw mounting hole. The mounting angle can be finely adjusted by turning the fine adjustment screw with a screwdriver or the like, which makes the level more practical.

[Brief description of the drawings]

FIG. 1 is a perspective view of the present embodiment.

FIG. 2 is an exploded perspective view of a main part of the embodiment.

FIG. 3 is an explanatory perspective view of a state where a part of the rubber protrusion of the present embodiment is turned up.

FIG. 4 is a plan sectional view of a main part of the embodiment.

FIG. 5 is a plan cross-sectional view of a main part of the rubber protrusion of the present embodiment in a state where a part thereof is turned up.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Instrument case 2 Bubble tube for measurement 3 End opening part 4 Closure body 4A Closure part 5 Locking part 6 Rubber projection 7 Mounting fitting body 8 Window hole 9 Fitting part 10 Continuous supporting point part 11 Fine adjustment screw 12 Screw receiving part 13 Through hole 14 Communication cylinder part 15 Fixed cylinder 18 Screw mounting hole

Claims (5)

[Claims] In a spirit level provided with a measuring bubble tube in a state where it can be visually recognized from the outside, a closing body for closing an opening at an end of the housing case is formed of a resin, thereby forming the closing body. A locking portion is formed on the outer surface of the housing, and a rubber protrusion protruding from the end of the housing is press-fitted into the locking portion, attached to the closing member, and dropped onto the end of the housing. A level wherein a rubber part for shock absorption is formed. 2. The locking portion is formed by projecting on the exposed outer surface of the closing member by resin molding, and press-fitted and locked to the locking portion so that the rubber protrusion is attached to an end of the body case. 2. A level according to claim 1, wherein the closing body is attached to the closing body so as to protrude from the portion. 3. The closing body is provided with a fitting part movably via a fulcrum part connected to a closing part for closing an end opening of the body case, and the measurement bubble is provided in the fitting part. The fitting fitting body provided with the tube is fitted, the measuring bubble tube is configured to be visible from a window hole provided in the body case, a fine adjustment screw is provided in the closed portion, and the fine adjustment screw is provided. Are arranged in contact with the fitting portion or fitted in a screw receiving portion provided in the fitting portion, and the fine movement of the swinging motion of the fitting portion with respect to the closing portion is performed by rotating the fine adjustment screw. 3. The level according to claim 1, wherein the position is freely adjustable and the mounting angle of the measurement bubble tube is freely adjustable. 4. The closing body communicates with a hooking through hole provided in the body case at an inner side of the body case at a closing part of the closing body for closing an end opening of the body case. A communication tube portion is protruded, and a fitting portion in which a mounting fitting body to which the measurement bubble tube is attached is fitted and fixed is protruded from the communication tube portion to the inside of the case of the communication tube portion, and provided on the case body. The measuring bubble tube is configured to be visible from the window hole, and the fitting portion is swung with respect to the communication tube portion around a connection fulcrum portion between the fitting portion and the communication tube portion. It is configured to be finely movable, and a fixed cylinder is inserted into the hook through hole provided in the body case and fitted to the communication cylinder part, and the communication cylinder part is immovably fixed to the body case, A fine adjustment screw is provided in the closing portion, and the fine adjustment screw is provided in the fitting portion by abutting the fine adjustment screw against the fitting portion. The fine adjustment screw is rotatably operated to adjust the swinging fine movement position of the fitting portion with respect to the communication tube portion so as to adjust the mounting angle of the measurement bubble tube. The level according to claim 3, wherein the level is freely configured. 5. The level according to claim 3, wherein a screw mounting hole for providing the fine adjustment screw is provided on the rubber protrusion.