JP3309080B2 - Straight ray emitter attached to the level - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a straight light beam emitting device attached to a level.

[0002]

2. Description of the Related Art Conventionally, a method of performing blackout using a light emitting device that generates a laser beam (straight ray) at a construction site has been already practiced. There has also been proposed a laser irradiation level for blackout (hereinafter, referred to as a conventional example) in which a light emitting device that emits laser light is provided on a body provided with a bubble tube for measuring horizontality.

However, in this conventional example, when a light emitting device is provided on a level, laser light emitted from the light emitting device and emitted from a light emitting unit provided on the level is applied to a reference surface (bottom surface) of the level. ) Requires an extremely sophisticated technique (equipment), so that the conventional example has a problem that it is extremely expensive and poor in mass productivity.

According to the present invention, an existing level can easily and satisfactorily be provided with a means for emitting a straight light beam such as a laser beam, and is attached to a level which is very inexpensive and has a very high commercial value. Is provided.

[0005]

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

A level 5 provided on a lower surface of a body 2 provided with a bubble tube 1 for measuring the levelness on the upper surface and having a reference surface 4 in contact with the measuring surface 3 is provided like a laser beam. Horizontal to a light-emitting body 7 having a light- emitting section 6 that emits
When the light-emitting main body 7 is attached to the level 5 by providing a bubble tube 8 indicating the degree, the light-emitting body 7 can be attached horizontally by the bubble tube 8, so that the light-emitting main body 7 is attached to the level 5. Thereby, the light-emitting portion 6 of the light-emitting main body 7 is configured so that a straight light beam is emitted in parallel with the reference surface 4 of the level 5, and the light-emitting main body 7 is formed into an L-shaped or U-shaped cross section.
The light-emitting main body 7 is formed in
Developed in contact with the upper and side surfaces of square bar level 5
The present invention relates to a straight-line light emitting device attached to a level, wherein the optical main body 7 is configured so as to be fitted and mounted on the level 5 .

The light emitting section 6 is connected to the level 5 side.
Perpendicular to the contact surface 12b of the light emitting body 7 to be brought into contact with the surface 5b
Provided so as to be located on the extension line,
Level in which a straight light beam contacts the contact surface 12b of the light emitting body 7
5 and parallel to the side edge of the light emitting body 7
By being configured such that those of the straight beam emitting device which is attached to the spirit level according to claim 1, wherein.

Further , the light-emitting main body 7 is connected to the light-emitting main body 7 with water.
When attached to the level 5, the light emitting body 7 is fixed to the level 5.
A fixing means 9 is provided, and the fixing means 9
The light emitting body 7 can be attached and held horizontally based on the horizontal index
The linear light emitting device according to any one of claims 1 and 2, characterized in that the light emitting device is configured as described above.

The light emitting body 6 has a light
A light source and a power supply for operating the light source.
4. A source switch (10 ).
The present invention relates to a straight-line light emitting device attached to the level according to any one of the above.

Further, the bubble tube is provided on the bottom surface of the light emitting body 7.
A straight-line light emitting device attached to a level according to any one of claims 1 to 4 , further comprising a reference surface (11) for measuring horizontality according to (8 ).

[0011]

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.

According to the present invention, a light emitting body 7 having a light emitting portion 6 for emitting a straight light beam such as a laser beam in a level 5 is provided.
Is attached, a straight light beam emitted from the light emitting portion 6 of the light emitting main body 7 is irradiated in parallel with the reference surface 4 of the level 5. At this time, since the light emitting main body 7 is provided with the bubble tube 8 indicating the level of the light and indicating that the light emitting main body 7 is attached horizontally to the level 5, the worker can surely check the light emitting main body 7 To confirm that the straight light emitted from the light emitting unit 6 is radiated in parallel with the reference plane 4 of the level 5 by confirming that the level is attached to the level 5 horizontally. Can be.

Accordingly, the present invention provides a light emitting means for emitting a straight light beam such as a laser beam to an existing level 5 simply by attaching the light emitting body 7 to the level 5 when, for example, performing an inking operation. Can be easily and satisfactorily applied, so that it is very inexpensive compared to the conventional example, and
An extremely accurate blackout operation can be performed satisfactorily. Specifically, for example, when the light emitting main body 7 is attached to the level 5 and the straight light emitted from the light emitting unit 6 is not parallel to the reference surface 4 of the level 5, the inking operation can be performed with high accuracy. Needless to say, if there is no light emitting body 7 capable of grasping the state of the straight light beam, the operator determines whether the straight light beam is emitted in parallel with the reference surface 4 of the level 5. There are problems such as the need to carry out the blackout operation without being able to grasp. In this regard, according to the present invention, the bubble tube 8 provided in the light emitting main body 7 makes it possible to grasp that the straight light beam is always radiated in parallel with the reference surface 4 of the level 5. The user can easily and quickly perform the highly accurate blackout operation with peace of mind.

The light emitting body 7 is mounted on the upper surface of the level 5.
Suppose that there was slight unevenness on the upper surface of the level 5 when
However, the light-emitting body 7 is formed in a long body,
Since the optical main body 7 comes into contact with the upper surface of the level 5,
The light-emitting body 7 is attached to the level 5 as horizontally as possible.
And the light-emitting body 7 is a level
5, the light emitting book is attached to the level 5.
It can be easily attached simply by placing the body 7 on it.
And furthermore, the light emitting body 7 is stably attached to the level 5.
Straight rays radiated parallel to the reference plane 4
Can be reliably prevented from being out of order.

Specifically, for example, the light emitting body 7 is simply
In the case of a structure that is provided so as to be in contact with the upper surface of the container 5,
The light-emitting main body 7 rubs against the level 5 and rotates horizontally.
Then, the square bar-shaped level 5 is horizontal with respect to its length direction.
(Bubble tube 1 provided in level 5)
Up to the level in the direction crossing the level direction of the level 5
Is not a structure to measure. ) And at the top of the level 5
Depending on the situation (unevenness or inclination), the reference level 4 of the level 5
The horizontality of the light emitting body 7 changes, and the irradiation angle of the straight light beam
There is a concern that the light emitting device may change.
Is formed in an L-shaped cross section or a U-shaped cross section.
The right-angled inner side surface of the light emitting main body 7 is
The light-emitting main body 7 is fitted on the level 5 while being in contact with the side surface.
The light-emitting main body 7 is
Because it is in contact with the top and side surfaces,
Horizontal rotation is prevented, and the straight light beam
Light-emitting body attached to level 5 in parallel irradiation
7 is always one because the state is not released.
The set accuracy is reliably prevented from going out of order.
You.

[0016] Further , the present invention is constructed as in the second aspect of the present invention.
In this case, the light emitting section 6 is brought into contact with the side face 5 b of the level 5.
Position on the vertical extension of the contact surface 12b of the light emitting body 7
So that a straight light beam emitted from the light emitting section 6 is emitted.
A side surface 5b of the level 5 that abuts against the abutment surface 12b of the optical body 7;
Parallel and parallel to the side edges of the light emitting body 7.
When it is completed, the light emitting body 7 is attached to the level 5.
As a result, straight light rays are emitted from the light emitting portion 6 of the light emitting body 7.
To match the vertical plane that matches the side 5b of the level 5
Will be irradiated. Thus, for example, as illustrated in FIG.
The side 5b of the level 5 to the side 14a of the one member 14
Irradiating the straight ray L in this state,
The side surface 15a of the other member 15 is
Good work to install at the position that matches the side surface 14a of the member 14
Can be done.

Further, in the case of the structure according to the third aspect of the present invention, since the fixing means 9 for fixing the light emitting main body 7 to the level 5 is provided, if there is no means for fixing the light emitting main body 7, For example, at the time of inking operation, every time the level 5 is moved (every time the direction is changed), it is necessary to check whether the light emitting body 7 is horizontally attached to the level 5 or not. Even if the level 5 is moved with the light-emitting body 7 attached, the light-emitting body 7 is always attached and held horizontally, so that extremely accurate blackout work can be performed easily and quickly. If the bubble tube 8 of the light emitting body 7 is not horizontal, the light emitting body 7 is adjusted based on the horizontal index by the bubble tube 8, and this state can be held by the fixing means 9. become.

Further, in the case of the structure as described in the fourth aspect of the present invention, when the operator turns on the switch 10 at an arbitrary timing to activate the light source, the light emitting section 6 emits a straight light beam. .

Further, when configured as in the invention described in claim 5, by the bubble tube 8 to the bottom surface of the light-emitting body 7 by providing the reference surface 11 for measuring the horizontality of light-emitting body 7 Alone can exhibit the function as a laser irradiation level for blackout.

[0020]

1 to 3 show a first embodiment of the present invention, FIG. 4 shows a second embodiment, and FIG. 5 shows a third embodiment, which will be described below.

Reference numeral 5 denotes a bubble tube 1 for measuring the level on the upper surface.
A rectangular bar-shaped level provided with a reference surface 4 that abuts on the measurement surface 3 on the lower surface of the instrument body 2 having the shape 5c has a curved surface even if the measurement surface 3 is a surface of a cylindrical member. The groove is a groove that comes into contact with the measurement surface 3 in a stable state so that the levelness can be accurately measured.

The first embodiment will be described.

As shown in FIGS. 1 to 3, the light-emitting main body 7 is a long body formed by forming an appropriate metal member into an L-shaped cross section. A light source (light emitting device) and a power supply (not shown)
A light-emitting portion 6 (light-emitting window) that emits laser light L generated from a light source is provided on one end surface of the light-emitting device.

The light emitting section 6 is provided with a side face 5b of a level 5 described later.
Is provided so as to be positioned on a vertical extension of the second contact surface 12b of the light-emitting main body 7 to be brought into contact with the laser light L.
Is configured so as to be parallel to the side surface 5b and to the side edge of the light emitting body 7. Reference numeral 10 denotes a power switch.

The light-emitting main body 7 has a right-angled inner surface,
The level 5 is configured so that it can be fitted and placed in contact with the upper surface 5a and the side surface 5b.

The right-angled inner side surface of the light emitting body 7 has a first contact surface 12a for contacting the upper surface 5a of the level 5 and the first contact surface 12a.
The second contact surface 12b is perpendicular to 12a and is in contact with the side surface 5b of the level 5.

A curved concave groove 12c is formed at a continuous portion between the first contact surface 12a and the second contact surface 12b. When the light-emitting main body 7 is mounted on the level 5 by the curved concave groove 12c, the first contact surface 12a and the second contact surface 12b are satisfactorily disturbed by the corners of the level 5. And the side surface 5b.

The light emitting body 7 has a bubble tube 8 on its upper surface.
Is provided.

The bubble tube 8 indicates the level of the light-emitting body 7. When the light-emitting body 7 is attached to the level 5, the light-emitting body 7 can be attached horizontally to the level 5 by the bubble tube 8. Therefore, the laser beam L emitted from the light emitting section 6 of the light emitting main body 7 is irradiated in parallel with the reference surface 4 of the level 5.

The first contact surface 12a and the second contact surface 12b of the light emitting main body 7 are provided with a magnetic action, and when the light emitting main body 7 is fitted on the level 5, the level 5 Will be firmly adsorbed. This is the fixing means 9 referred to in the claims,
The fixing means 9 is configured so that the light emitting main body 7 can be horizontally attached to the level 5 and held based on the horizontal index by the bubble tube 8.

The light emitting body 7 has a bubble tube 8 on its bottom surface.
A reference plane 11 for measuring the horizontality is provided. Accordingly, the present embodiment alone functions as a laser irradiation level for blackout.

The present embodiment is constructed as described above. For example, when the level 5 is provided with the light emitting body 7 having the light emitting section 6 for emitting the laser beam L, the light emitting section 6 of the light emitting body 7 is provided.
Is emitted in parallel with the reference plane 4 of the level 5. At this time, since the light emitting main body 7 is provided with the bubble tube 8 indicating the level of the light and indicating that the light emitting main body 7 is attached horizontally to the level 5, the worker can surely check the light emitting main body 7 It is confirmed that the laser beam L emitted from the light emitting unit 6 is radiated in parallel with the reference plane 4 of the level 5 by confirming that the level is attached to the level 5 horizontally. be able to.

Therefore, according to the present embodiment, for example, when an inking operation is to be performed, simply by attaching the light emitting body 7 to the level 5, for example, the light emitting means for emitting the laser light L to the existing level 5 is provided. Since it is possible to easily and satisfactorily apply the ink, it is possible to satisfactorily perform extremely high-precision blackout work at a very low cost as compared with the conventional example.

In this embodiment, the light-emitting main body 7 is
Since the fixing means 9 for fixing the light-emitting body 7 is provided, if there is no means for fixing the light-emitting
Every time the level 5 is moved (each time the direction is changed), the light emitting body 7
Although it is necessary to check whether or not the light level is attached horizontally to the level 5, according to the present embodiment, even if the level 5 is moved with the light emitting body 7 attached, the light emitting body 7 is always kept.
Will be attached and held horizontally, so that extremely accurate blackout work can be performed easily and quickly,
If the bubble tube 8 of the light emitting body 7 is not horizontal, the light emitting body 7 is adjusted based on the horizontal index of the bubble tube 8, and this state can be held by the fixing means 9. Become.

In this embodiment, the light-emitting main body 7 is
When the light-emitting main body 7 is placed on the upper surface of the level 5, the light-emitting main body 7 is formed in a long body even if the upper surface of the level 5 has slight unevenness, and the light-emitting main body 7 contacts the upper surface of the level 5 over a wide range. Therefore, the light-emitting main body 7 can be attached to the level 5 as horizontally as possible, and the light-emitting main body 7 can be mounted on the level 5. The light-emitting body 7 can be easily attached simply by placing the light-emitting body 7 on the light-emitting body 5.
And the accuracy of the laser beam L irradiated in parallel with the reference plane 4 can be reliably prevented from being degraded.

In this embodiment, the light emitting portion 6 provided on the light emitting main body 7 is provided so as to be positioned on a vertical extension line of the second contact surface 12b which is in contact with (close contact with) the side surface 5b of the level 5. The laser beam L emitted from the light emitting section 6 is configured to be parallel to the side surface 5b of the level 5 contacting the contact surface 12b of the light emitting main body 7 and to be parallel to the side edge of the light emitting main body 7. By attaching the light-emitting body 7 to the level 5, the laser beam L is emitted from the light-emitting portion 6 of the light-emitting body 7 so as to match the vertical plane matching the side surface 5 b of the level 5. Therefore, for example, as shown in FIG. 3, the side face 5b of the level 5 is flush with the side face 14a of the one member 14, and when the laser light L is irradiated in this state, the other The side surface 15a of the member 15 is
The work of installing the apparatus at a position corresponding to the side surface 14a of the apparatus can be performed easily and quickly.

Next, a second embodiment will be described.

In the second embodiment, as shown in FIG. 4, the light emitting main body 7 has a U-shaped cross section and one of the hanging parts 7a is formed to be shorter. 7 a is provided with a screwing member 13 as fixing means 9 capable of fixing and holding the light emitting main body 7 attached to the level 5.

Accordingly, the light emitting main body 7 can be more stably fitted by the level 5.

The rest is the same as in the first embodiment.

Next, a third embodiment will be described.

In the third embodiment, as shown in FIG. 5, the light-emitting main body 7 has a U-shaped cross section, and the left and right hanging parts 7a have the same length. As in the second embodiment, the hanging portion 7a of the light emitting main body 7 is provided as a fixing means 9 capable of fixing and holding the light emitting main body 7 attached to the level 5 as in the second embodiment. A screw member 13 is provided.

The rest is the same as in the first embodiment and the second embodiment.

[0044]

Since the present invention is constructed as described above, for example, in the case of performing an inking operation, it is only necessary to attach a light emitting body to a level, and for example, a straight light beam such as a laser beam is applied to an existing level. Since the light emitting means for emitting light can be easily and satisfactorily provided, it is very inexpensive as compared with the conventional example, and it is very convenient that the highly accurate blackout work can be performed well. This is a straight-line light emitting device attached to an innovative level that has never been seen before . Moreover, the present invention
In addition to the effects, the light-emitting body is placed on the
Even if there are slight irregularities on the upper surface of the level when
The light-emitting body is formed in a long body, and the light-emitting body covers a wide area
Will touch the top of the level,
The light emitting body as horizontally as possible.
And the light-emitting body can be mounted on the level.
Because it is a configuration, put the light-emitting body on the level
Can be attached simply by using
The main body is stably attached to the level, and
Prevents the accuracy of the straight rays illuminated on the line from being incorrect
Water that is extremely convenient and unprecedented
It becomes a straight light beam emitter attached to the standard.

According to the second aspect of the present invention,
In addition to the above effects , the light-emitting portion is provided so as to be positioned on a vertical extension of the contact surface of the light-emitting main body, which is in contact with the side surface of the level, so that a straight light beam emitted from the light-emitting portion is brought into contact with the light-emitting main body Since it was configured so as to be parallel to the side surface of the level that abuts on and to be parallel to the side edge of the light-emitting body, by attaching the light-emitting body to the level, straight-ahead rays from the light-emitting portion of the light-emitting body Irradiation is performed so as to coincide with the vertical plane that coincides with the level of the level, so that the operation of combining the side of one member with the side of the other member can be performed easily and quickly. It is a straight-line light emitting device attached to an innovative level that is not available.

According to the third aspect of the present invention,
In addition to the above-mentioned effects , a fixing means for fixing the light-emitting body to the level is provided. If there is no means for fixing the light-emitting body, for example, at the time of inking operation, every time the level is moved (every time the direction is changed) 2) It must be checked whether the light-emitting body is attached horizontally to the level, but according to the present invention, the light-emitting body is always kept horizontal even if the level is moved with the light-emitting body attached. Since it is attached and held, extremely high-precision blackout work can be performed easily and quickly, and in the case that the bubble tube of the light emitting body is not horizontal, this bubble tube Thus, the light emitting main body is adjusted based on the horizontal index, and this state can be maintained by the fixing means.

Further, in the invention according to claim 4,
When the operator turns on the switch at any time to activate the light source, a straight light beam is emitted from the light emitting unit. It becomes a light emitter.

Further, in the fifth aspect of the present invention,
In addition, by providing a reference surface for measuring the horizontality by the bubble tube on the bottom surface of the light emitting main body, the light emitting main body can exhibit the function as a laser irradiation level for blacking out by itself. This is a straight-forward light emitter that is convenient and is attached to an innovative level that has never been seen before.

[Brief description of the drawings]

FIG. 1 is a perspective view illustrating a use state of a first embodiment.

FIG. 2 is a front view illustrating a use state of the first embodiment.

FIG. 3 is a perspective view illustrating a use state of the first embodiment.

FIG. 4 is a front view illustrating a use state of the second embodiment.

FIG. 5 is a front view illustrating a use state of the third embodiment.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Bubble tube 2 Body 3 Measurement surface 4 Reference surface 5 Level 5b Side surface 6 Light emitting part 7 Light emitting body 8 Bubble tube 9 Fixing means 10 Switch 11 Reference surface 12b Contact surface

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-8-159767 (JP, A) JP-A-9-53783 (JP, A) Japanese Translation of PCT Publication No. 5-5033783 (JP, A) Registered utility model 3049037 (JP, U) US Patent 5849556 (US, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) G01C 15/00 G01C 9/28

Claims (5)

(57) [Claims] 1. A straight light beam such as a laser beam, which is attached to a level provided with a reference surface in contact with a measurement surface on a lower surface of a body provided with a bubble tube for measuring horizontality on an upper surface. Bubbles indicating horizontality in the light emitting body with a light emitting part that emits light
When the tube is provided and the light emitting body is attached to the level, the light emitting body can be attached horizontally by the bubble tube. By attaching the light emitting body to the level, the light emitting body of the light emitting body goes straight from the light emitting portion. The light source is configured to irradiate in parallel with the reference plane of the level, and the light emitting main body is formed in an L-shaped cross section.
Or a long body with a U-shaped cross section.
The inner surface at right angles should be in contact with the upper and
So that the light-emitting body can be fitted on the level
Straight beam emitting device which is attached to the spirit level, characterized in that the. 2. The light-emitting section abuts on a side surface of the level.
Located on a vertical extension of the contact surface of the light emitting body
Linear light emitted from the light emitting section
Parallel to the side of the level that touches the contact surface of
The straight-line light emitting device according to claim 1, wherein the light emitting device is configured to be parallel to a side edge of the main body . 3. The light-emitting body is attached to a level with the light-emitting body.
At the time of installation, set the fixing means to fix the light emitting body to the level.
This fixing means allows the horizontal
The straight-line light emitting device according to any one of claims 1 and 2, wherein the light-emitting body can be attached and held horizontally . 4. A light source of a light emitting section and a light source of the light emitting section.
A power supply for operating the light source is installed, and the switch of this power supply is installed.
The straight-line light emitting device attached to the level according to claim 1, further comprising a switch. 5. The light-emitting body has a bubble tube on the bottom thereof.
The straight-line light emitting device attached to the level according to any one of claims 1 to 4 , further comprising a reference surface for measuring the level.