JPH0738801Y2 - Measure with tension indicator - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flexible length measuring tool such as a tape measure and a tape measure.

[0002]

2. Description of the Related Art Conventionally, for measuring the dimensions of non-linear portions such as the outer circumference of an object, a tape measure made of cloth, vinyl, or a thin metal plate with a scale for direct reading, a tape measure, etc. The measuring tools of are widely used.

When measuring a non-linear dimension along the outer peripheral portion of a flexible object such as the chest and the waist of a human body with such a flexible length-measuring tool, the measurer may measure the length. Since both ends of the tool are gripped and the length measuring tool is brought into contact along the measured part and the creepage of the part is measured, the tension applied to the length measuring tool differs depending on the tension of the measurer. However, there is a problem in that the produced dimensions vary.

[0004]

SUMMARY OF THE INVENTION In view of the above problems of the prior art, it is an object of the present invention to provide a tension indicator-equipped measure capable of preventing the measurement dimension from varying due to the pulling condition of the measurer. It is a thing.

[0005]

A pulling member is interposed between a sliding member provided at the base end of a measure and a gripping member that slidably supports the sliding member, and their relative positions. Run that displays the static displacement when it reaches a predetermined value.
A display means consisting of a buzzer or buzzer was attached.

[0006]

Operation: While holding the gripping member of the measure with the tension indicator and an arbitrary part on the other end side, the measure is brought into contact with the measured portion, and then the measure is pulled or loosened, whereby the sliding member slides. The tension member expands and contracts with the movement.
The relative displacement between Ban cormorants sliding member and the gripping member and the predetermined value to
If so, that is, the tension applied to the tension member is a predetermined value.
If the value becomes, the lamp as the display means lights up or
The buzzer sounds to inform the measurer of this,
At this time, if the measurer reads the scale of the measure, the size of the measured portion can always be measured under a constant tension, and the measurer can prevent the measurement size from varying.

[0007]

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

FIG. 1 is a plan sectional view of a main part of a measure with a tension indicator according to a first embodiment of the present invention, and FIG. 2 is a sectional view of the same side. 1 and 2, a measure 1 with a tension indicator of the present invention comprises a sliding member 4 fixed to the base end of a measure 3 made of a flexible tape material having a scale 2 for direct reading on the surface, and the sliding member 4. The measure pulling member 6 is interposed between the end member 5 which slidably supports the member 4 so that appropriate tension can be applied between the gripping member 5 and the measure 3, and The gripping member 5 is slidably supported and the sliding member 4 has a movable electrode 7
A plurality of fixed electrodes 8 are provided on the holding member 5,
The movable electrode 7 and the fixed electrode 8 depend on the sliding position of the sliding member 4.
(In this embodiment, it comes into contact with any of the three fixed electrodes 8a, 8b, 8c).

The sliding member 4 is formed in a flat plate shape having a uniform width and thickness, and the guide groove 10 formed in the base body 9 of the holding member 5.
And is urged to pull the measure 3 toward the base by the measure pulling member 6 provided at the base end of the sliding member located inside the gripping member 5. There is.

Further, a transparent scale plate 17 having a scale 16 at a position where 0 of the scale 2 of the measure 3 is fixed is fixed to a tip end portion of the sliding member 4 projecting from the holding member 5.

The tension member 6 is constructed as follows. A lever 12 is rotatably provided on a support shaft 11 erected on the base body 9, a spring 13 is connected to the sliding member 4 at one end of the lever 12, and the other end is provided on a side surface of a frame body 18. The tip of the tension adjusting screw 15 penetrating from the outside and screwed into the nut 14 fixed to the base body 9 has the above-mentioned lever 1
The two springs 13 are in contact with each other in a direction in which the turning by the biasing is stopped. By rotating the tension adjusting screw 15 so that the tip is projected and retracted in the above-mentioned direction, the urging force of the spring 13 applied to the sliding member 4 can be increased or decreased. Can be adjusted.

The holding member 5 includes a base body 9, a frame body 18, and a lid body 1.
9, the guide groove 9a formed in the base body 9 and the lower surface of the frame body 10 slidably support the sliding member 3,
It serves as a holding member when the measure 1 with a tension indicator of the present invention is used, and also serves as a case for accommodating the tension member 6, the movable electrode 7, the fixed electrode 8, the battery box 20, and a circuit connecting them.

A cylindrical battery box 20 is fixed to a circular hole formed at one end of the base body 9 with the battery box 20 opened downward, and a battery 21 is mounted on the battery box 20 and then screwed with a lid 22. To do. In addition, between the three fixed electrodes 8a, 8b, 8c provided on the base body 9 of the grip member 5 and the positive electrode 23 of the battery box 20, a row is formed on the side surface of the frame body 10 forming the side wall of the grip member 5. Configure the tension indicator 24 installed 3
The individual lamps 24a, 24b, 24c are connected in parallel.
Light emitting diodes, for example, are used as the lamps 24a, 24b, and 24c. Then, the spring electrode 25 serving as a negative electrode provided on the lid 22 of the battery box 20 and the movable electrode 7 are connected to the lead wire 2.
Connect at 6.

A buzzer is connected in parallel with the lamp 24b so that the lamp 24b can be operated when an appropriate tension value is specified, which will be described later.
It is also possible to have the buzzer sound while lighting. Also, instead of using three light emitting diodes 24a, 24b, 24c as tension indicator 24 and three fixed electrodes 8a, 8b, 8c corresponding thereto, one or more light emitting diodes and electrodes are provided. You may use.

[0015] Subsequently, the tension <br/> indicator with measure 31 of the second embodiment of the present invention, shown in FIG. 3 is a partially resected plan view will now be described with reference to the accompanying drawings.

In FIG. 3, the tension indicator-equipped measure 31 has a metal thin piece 32 having excellent elasticity and a strain gauge integrated between the sliding member 4 and the gripping member 5 fixed to the base end of the measure 3. The tension member 34, which constitutes a load detection piece for detecting the load by detecting the load applied to the thin metal piece 32, that is, the elastic deformation amount of the thin metal piece 32 according to the load, is detected by the strain gauge 33. It is possible to apply an appropriate tension between the gripping member 5 and the gripping member 5, so that the measure 3 is slidably supported with respect to the gripping member 5, and the strain gauge 33 is provided with an amplifier circuit connected to the battery 21 and the switch 35. And a buzzer 36, which is a display means, is connected to the switch 3
5 provided on the lid 19 of the bunch support member 5, also, the amplifier circuit is assumed to provide the interior of the gripping member 5.

The strain gauge 33 is for detecting a minute strain generated in the tension member 34 by the tension applied between the grip member 5 and the sliding member 4 as a change in the electric resistance value. You can see the tension applied to 34. Further, the switch 35 can perform power ON / OFF and high / low range switching of the tension detection value. A spring built-in differential transformer can be used as the tension member 34. The range can be switched.
A spring built-in differential transformer can be used as the tension member 34.

Next, the operation will be described based on the embodiments. FIG. 4 is a diagram showing the measurement of the waist circumference of the human body 24 using the measure 1 with a tension indicator of the present invention. As shown in FIG. 4, after the measure 3 of the measure 1 with tension indicator is circulated around the human body 25, the grip member 5 is gripped by one hand 26, and then the other end 28 of the measure 3 is held by the other hand 27. While gripping, the orbiting measure 3 is positioned behind the transparent scale plate 17, the tension of the measure 3 is adjusted by the tension indicator 24, and the measure 3 overlapping the scale 16 of the scale plate 17 at an appropriate value. If the scale 2 is read, the required waist circumference can be measured.

Hereinafter, with respect to the adjustment of the tension degree of the measure 3 by the tension indicator 24, FIG. 5 is a plan sectional view of an essential part and FIG. 6 is an enlarged sectional view in the vicinity of the movable electrode 7.
Will be explained together.

In FIG. 5, the sliding member 4 is shown when the measure 3 of the measure 1 with tension indicator is loose.
Has its tip abutted against the front end edge 29 of the guide groove 10 by the urging force of the tension member 6, and the movable electrode 7 fixed to the sliding member 4 at this time is located at 7o in FIG. Since it is not in contact with any of 8a, 8b, 8c,
All the lamps 24a, 2 of the tension indicator 24
4b and 24c have disappeared.

Then, from this state, the end member 5 is gradually pulled to the left in the drawing and the measure 3 is tightened, whereby the spring 13 of the tension member 6 is extended by the tension applied to the measure 3, and the spring is stretched. If the sliding member 4 slides in the right direction in the drawing in accordance with the extension of 13, and the movable electrode 7 also moves in the right direction along with it, and is positioned at 7a shown in FIG.
The movable electrode 7a contacts the fixed electrode 8a, whereby
The leftmost lamp 24a of the tension indicator 24
Lights up.

When the measure 3 is further tightened, the movable electrodes 7 corresponding to the tension applied to the measure 3 are moved to 7b, 7b.
Since it moves to c, the lamps 24b and 24c of the tension indicator 24 are sequentially turned on by the fixed electrodes 8b and 8c provided at the respective positions.

Therefore, the tension indicator 24 is
Since the tension of the measure 3 can be displayed in three stages, the tension tension is adjusted by the tension adjusting screw 15, and the three light emitting diodes 24a, 24b, 24c of the tension indicator 24 are turned on by the measure 3 respectively. If you set it so that it corresponds to a weak, proper, or strong tension, you can easily measure 2
It is possible to obtain an appropriate state of tension. That is, when the lamp 24a is turned on, tension is further applied to the measure 3, and when the lamp 24c is turned on, the measure 3 is slightly loosened so that the lamp 24b showing an appropriate value is turned on. Major 3 in
If the scale is read, it is possible to obtain consistent measurement values regardless of the measurer and the measurement situation. Further, if as a buzzer when the lamp lighting (not shown) rings, it is possible to know the proper state of tension of more reliably major.

Further, in the tension indicator-attached measure 31 of the second embodiment, the tension of the measure 3 is detected by the strain gauge 33 of the tension member 34, and the tension should be within a preset proper value range .
If the buzzer 36 sounds, in that state, the scale 2 of the major 3
By reading, it is possible to obtain a measured value without variation.

[0025]

The measure with tension indicator of the present invention has a tension member between the sliding member provided at the base end of the measure as described above and the gripping member slidably supporting the sliding member. When intervening and when their relative displacement reaches a predetermined value, a lamp or block that indicates this is displayed.
Since a display means consisting of a user is attached ,
Therefore, it is possible to make uniform the tension of the measure when measuring a non-linear dimension along the outer circumference of a flexible object such as the waist circumference of the human body, and it is possible to prevent variations in the measurement dimension. Along with the lamp or buzzer, the measurer
It is easy to make sure that the tension of the measure has reached the specified value.
Since it can be recognized, it suffices to pay attention to only the major scale.
, The measurement work of dimensions is extremely easy, and each member
Is integrated with the base of the tape measure, and it is compact and
Simple work is easy.

[Brief description of drawings]

FIG. 1 is a plan sectional view of an essential part showing a measure with a tension indicator according to a first embodiment of the present invention.

FIG. 2 is a side sectional view of a main part showing a measure with a tension indicator according to a first embodiment of the present invention.

FIG. 3 is a partially cutaway plan view showing a tension indicator-equipped measure according to a second embodiment of the present invention.

FIG. 4 is a view showing a measurement state of a girth using a measure with a tension indicator according to the first embodiment of the present invention.

FIG. 5 is a plan sectional view of an essential part showing the usage of the measure with a tension indicator according to the first embodiment of the present invention.

FIG. 6 is an enlarged side cross-sectional view of a main part near a movable electrode.

[Explanation of symbols]

1,31 Measure with tension indicator 3 Measure 4 Sliding member 5 Grasping member 6,34 Tension member 24 Tension indicator 36 Buzzer

Claims (1)

[Scope of utility model registration request] 1. A tension member is interposed between a sliding member provided at the base end of a measure and a gripping member that slidably supports the sliding member, and their relative displacements are located.
Is it a lamp or a buzzer that displays this when it reaches a certain value ?
A measure with a tension indicator that is equipped with a display means consisting of.