JP2011089948A - Attachment of vernier caliper and measurement apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an attachment of a vernier caliper for extending a to-be-measured object, and accurately measuring a depth of the object. <P>SOLUTION: The attachment comprises: a pedestal A1 for detachably fixing a stationary measurement jaw 6, holding the entire vernier caliper in an upright state by setting the stationary measurement jaw on the lower side, and placing the object as the to-be-measured object; and a measurement member A2 detachably fixed to a movable measurement jaw 7. The measurement member comprises: a stationary member 30 detachably fixed to the movable measurement jaw; and a measurement needle 32 extended from the stationary member toward the seat member, and having a tip 32a contacting the object when the movable measurement jaw is moved toward the object. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

  The present invention relates to an attachment attached to a caliper and used, and a measuring device using the attachment.

  Conventionally, a caliper has been widely used as a measuring tool for accurately measuring the length.

  The vernier caliper has a vernier scale vernier caliper in which the main scale is formed along the longitudinal direction of the main scale and the vernier scale is formed on the slider, and the amount of movement of the slider is converted into the rotation angle of the dial pointer. Dial display type calipers that are displayed, the amount of slider movement is converted into electrical signals by an encoder of photoelectric type, capacitance type or magnetic type, and the amount of movement based on the signal is displayed on the liquid crystal display panel Known digital calipers are known.

  Regardless of the type of caliper, when measuring, grab the object with one hand, hold the main scale with the other hand, and press and rotate the roller provided on the slider with its thumb. It is moved along the scale, and an operation of bringing the measuring jaws for the inner side or the outer side provided on the main scale and the slider between the measurement parts of the object is performed.

  In this state, the vernier scale caliper obtains the dimensions of the object from the main scale and the vernier scale, the dial display caliper from the dial pointer, and the digital caliper from the display value on the display panel.

  By the way, an advanced ruler device using such calipers has been proposed.

  Here, the altitude ruler device refers to a ruler device that can draw a straight line in the height direction.

  For example, Utility Model Registration No. 3020794 discloses an advanced ruler device composed of a bottom seat, a knife block, a connecting block, a fixed block and a caliper.

  In this advanced ruler device, one end of the knife block is fitted into the U-shaped notch of the connecting block and fixed with bolts, and the upper part of the connecting block is fitted into the U-shaped opening of the fixing block and fixed with bolts. Fit the cursor part into the notch of the fixed block, lock the caliper with the convex part of the notch and fix it with a bolt, and then fit the caliper into the insertion groove of the bottom seat so that the head of the caliper contacts the correction projection By fixing with bolts, an advanced ruler device using a caliper is constructed.

Utility Model Registration No. 3020794

  However, the altitude ruler device according to the above prior art can only draw a straight line in the height direction, and cannot expand the measurement object.

  On the other hand, some conventional calipers include a depth bar that advances and retreats from the tail of the main scale, and the depth bar allows the depth of the object to be measured.

  However, when using the depth bar, it is necessary for the measurer to hold the caliper in a vertical state, and there is a possibility that the depth bar slightly moves back and forth to cause a measurement error.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a caliper attachment and a measuring device capable of expanding the objects to be measured and measuring the thickness and depth of the object more precisely.

  In order to solve the above-described problem, the caliper attachment according to the first aspect of the present invention is an attachment that is attached to a caliper that includes at least a fixed-side measurement jaw and a movable-side measurement jaw, and includes the fixed-side measurement. A jaw member is detachably fixed, a base member for holding the entire caliper in an upright state with the measurement jaw on the fixed side as a lower side, and a target member as a measurement object placed thereon, and a measurement jaw on the movable side The measuring member is configured to be detachably fixed, and the measuring member is configured to come into contact with the object.

  The caliper attachment according to a second aspect of the present invention is the caliper attachment according to the first aspect, wherein the measurement member is detachably fixed to the movable measurement jaw, and the fixed A measuring needle that extends from a member to the pedestal member side and whose tip is brought into contact with the object when the movable measuring jaw is moved relative to the object. Features.

  A caliper attachment according to a third aspect of the present invention is the caliper attachment according to the first or second aspect, wherein the pedestal member includes a fitting groove into which the fixed measuring jaw is inserted, and the fitting. And a screw member that screws the measurement jaw on the fixed side from the side surface while holding the measurement jaw on the fixed side in the groove.

  A caliper attachment according to a fourth aspect of the present invention relates to the attachment according to any one of the second or third aspects, wherein the measuring needle of the measuring member is inserted through the fixing member. And is fixed from the side of the insertion hole by a screw member provided in the fixing member.

  A caliper attachment according to a fifth aspect of the present invention is the caliper attachment according to any one of the first to fourth aspects, wherein the measuring member is provided so as to protrude in a direction parallel to the movable measuring jaw. The method further comprises a scribing portion that forms a scribing line for the object placed on the pedestal member.

  A measuring apparatus according to the present invention as set forth in claim 6 includes a caliper provided with at least a fixed-side measurement jaw and a movable-side measurement jaw, and the fixed-side measurement jaw detachably fixed to the fixed-side measurement jaw. The measurement apparatus includes a pedestal member that holds the entire caliper in an upright state with a jaw as a lower side and places an object as a measurement target, and a measurement member that is detachably fixed to the measurement jaw on the movable side. The member is configured to be brought into contact with the object.

  According to a seventh aspect of the present invention, in the measurement apparatus according to the sixth aspect of the present invention, the measurement member is a fixed member that is detachably fixed to the movable measuring jaw, and the fixed member. A measuring needle that extends from the base member side to the pedestal member side and whose tip is brought into contact with the object when the movable measuring jaw is moved relative to the object. And

  According to an eighth aspect of the present invention, in the measurement apparatus according to the sixth or seventh aspect, the pedestal member includes a fitting groove into which a measurement jaw on the fixed side of the caliper is inserted, A screw member that screws the measurement jaw on the fixed side from the side surface side in a state where the measurement jaw on the fixed side is held in the fitting groove.

  According to a ninth aspect of the present invention, in the measurement device according to the seventh aspect or the eighth aspect of the present invention, the measurement needle of the measurement member is inserted into an insertion hole formed in the fixing member. It is configured to be movably inserted and to be fixed from the side surface of the insertion hole by a screw member included in the fixing member.

  According to a tenth aspect of the present invention, in the measurement apparatus according to any one of the sixth to ninth aspects, the measurement member is provided so as to protrude in a direction parallel to the measurement jaw on the movable side of the caliper. And a scribing section for forming a scribing line on the object placed on the pedestal member.

  According to invention of Claim 1, the effect that the depth, thickness, etc. of the target object mounted in the base member can be measured more accurately using a measurement member is acquired.

  According to invention of Claim 2, the effect that the depth, thickness, etc. of the target object mounted in the base member can be measured more accurately using a measuring needle is acquired.

  According to invention of Claim 3, a base member can be easily attached to a caliper, and the convenience is improved.

  According to the invention described in claim 4, the position of the measuring needle can be easily adjusted, and the convenience is improved.

  According to the fifth aspect of the present invention, it is possible to form a ruled line on the object using the ruled part provided in the fixing member, and the convenience is further improved.

  According to invention of Claim 6, the effect that the depth and thickness of the target object mounted in the base member can be measured more accurately using a measurement member is acquired.

  According to invention of Claim 7, the effect that the depth and thickness of the target object mounted in the base member can be measured more accurately using a measuring needle is acquired.

  According to invention of Claim 8, a base member can be easily attached to a caliper, and the convenience is improved.

  According to the invention described in claim 9, the position of the measuring needle can be easily adjusted, and the convenience is improved.

  According to the invention described in claim 10, it is possible to form a ruled line on the object using the ruled part provided in the fixing member, and the convenience is further improved.

It is a perspective view which shows the attachment state to the caliper N of the attachment A of the caliper which concerns on 1st Embodiment. It is a perspective view which shows the structure of base member A1. It is a perspective view which shows the structure of the back surface side of base member A1. It is a perspective view which shows the structure of measurement member A2. It is a perspective view which shows the whole structure of the caliper N which attached the caliper attachment A which concerns on 1st Embodiment. It is a perspective view which shows the whole structure of the caliper N which attached the caliper attachment A 'which concerns on 2nd Embodiment.

  Hereinafter, the best mode for carrying out the present invention will be described more specifically with reference to the drawings. Here, in the accompanying drawings, the same components are denoted by the same reference numerals, and redundant description is omitted. In addition, since description here is the best form by which this invention is implemented, this invention is not limited to the said form.

  (First embodiment)

  With reference to FIG. 1 to FIG. 5, a caliper attachment according to a first embodiment of the present invention and a measuring device using this attachment will be described.

  As shown in FIG. 1, the caliper attachment A according to the present embodiment includes a pedestal member A1 and a measurement member A2.

  Here, before explaining the structure of the base member A1 and the measurement member A2, the caliper N as the attachment target of the attachment A will be briefly described.

As mentioned earlier, as a caliper,
(1) Vernier scale calipers in which a main scale is formed along the longitudinal direction of the main scale and a vernier scale is formed on the slider;
(2) A dial display type caliper that converts the amount of movement of the slider into the rotation angle of the dial pointer and displays the dial.
(3) A digital vernier caliper in which the amount of movement of the slider is converted into an electric signal by an encoder of photoelectric type, capacitance type or magnetic type, and the amount of movement based on the signal is displayed on the liquid crystal display panel.

  and so on.

  The attachment A according to the present embodiment can be attached to any type of caliper in principle.

  However, the caliper N in the present embodiment is a digital caliper in consideration of the ease of handling and the ease of grasping the measurement result.

  The vernier caliper N is provided with a fixed jaw 6 at one end of a plate-shaped main scale (beam) 1 at a right angle to the main scale 1 and is movable on a slider section 2 that is movably attached along the main scale 1. The jaw 7 is opposed to the fixed-side jaw 6, and the object is sandwiched between the fixed-side jaw 6 and the movable-side jaw 7. The amount of movement of the slider unit 2 can be read by numerical display (digital display) on the liquid crystal display panel 3 provided in the slider unit 2.

  Also, a short inner measurement jaw 8 is provided on the opposite side of the fixed jaw 6 and the movable jaw 7 (in FIG. 1, the inner measurement jaw of the movable jaw 7 is not shown hidden behind the slider portion 2). The inner dimensions can also be measured.

  The slider 2 is provided with a battery cover 4 for inserting and removing the battery, an origin setting button 5 for setting the origin of the caliper N, a thumb roller 11 for moving the slider 2 and the like.

  Furthermore, a depth bar 10 for measuring the depth of the object is provided at the rear end of the main scale 1 so as to be able to advance and retreat.

  Of course, the caliper to which the attachment A according to the present embodiment is applicable is not limited to the caliper N having the above-described configuration. That is, if the basic function is the same or similar caliper, it can be similarly applied.

  Next, with reference to FIG. 2 and FIG. 3, the structural example of base member A1 is demonstrated.

  The pedestal main body 20 of the pedestal member A1 is formed by bending a stainless steel plate, an aluminum plate or the like to form a side wall portion 20a and a bottom portion 20b.

  The height of the side wall 20a is designed to be higher than the thickness of the jaw 6 on the fixed side of the caliper N. As will be described later, the jaw 6 on the fixed side of the caliper N is accommodated in the insertion groove 25 corresponding to the height of the side wall 20a.

  An insertion groove 25 is formed substantially in the center of the pedestal main body 20 in parallel with the side wall portion 20a.

  Rail members 21 a and 21 b for guiding the jaw 6 on the fixed side of the caliper N are fixed by screws 23 below both side portions of the fitting groove 25.

  The rail member 21b is provided with fixing screws 24, 24 for fastening the jaw 6 on the fixing side of the caliper N inserted between the rail members 21a and 21b from the side.

  When attaching the vernier caliper N to the pedestal member A1, first, as shown in FIG. 1, the jaw 6 on the fixed side of the vernier caliper N is inserted in the direction D1 into the insertion groove 25 of the pedestal main body 20.

  Next, the fixing screws 24, 24 are turned by hand in the fixing direction, and the jaw 6 on the fixing side of the caliper N is tightened and fixed.

  Next, the measurement member A2 will be described with reference to FIG.

  As shown in FIGS. 4A to 4C, the measurement member A2 is fixed to the movable measurement jaw 7 in a detachable manner, and extends from the fixed member 30 to the base member A1 side. When the movable measuring jaw 7 is moved with respect to the object 500 (see FIG. 5), the measuring needle 32 is configured such that the tip 32 a contacts the object 500.

  More specifically, the fixed member 30 has a U-shaped cross-sectional shape and is formed with an insertion groove 35 into which the movable measuring jaw 7 is inserted.

  An insertion hole 31 through which the measuring needle 32 is inserted is formed in one side portion of the insertion groove 35.

  On the other side of the insertion groove 35, a fixing screw 33 for tightening the measuring needle 32 inserted into the insertion hole 31 from the side and a movable measuring jaw 7 inserted into the insertion groove 35 are fixed from the side. A fixing screw 34 is provided.

  In the procedure for assembling the measurement member A2, the measurement needle 32 is inserted into the insertion hole 31 from above and moved in the direction D2 with respect to the fixed member 30 in the state of FIG.

  Next, the fixing screw 33 is rotated in the fixing direction, and the measuring needle 32 is tightened and fixed from the side (FIG. 4B).

  The measuring needle 32 can be lowered to the state shown in FIG. 4C at the maximum.

  When attaching the caliper N to the measuring member A2 having such a configuration, as shown in FIG. 1, the movable measuring jaw 7 is inserted into the fitting groove 35 from the direction D2, and the fixing screw 34 is rotated in the fixing direction. Let it fix.

  Thereby, the caliper N which attached the attachment A as shown in FIG. 5 is comprised.

  A rubber foot or the like for preventing slipping or rattling may be provided on the bottom surface of the base member A1.

  Here, with reference to FIG. 5, how to use the caliper N to which the attachment A is attached will be described.

  When measuring the depth and thickness of the object with the caliper N attached with the attachment A, first, the thumb roller 11 is operated in the state of D4 by operating the thumb roller 11 without placing anything on the base member A1. Descent.

  Then, with the tip 32a of the measuring needle 32 in contact with the surface of the base member A1, the origin setting button 5 is pressed, and the origin of the caliper N is set in this state.

  Next, the object 500 is placed on the base member A1. Although there is no particular limitation on the shape or the like of the object 500, the thickness of the bottom surface 500b and the height and depth of the protrusion 500c can be measured due to the presence of the side wall 500a as in the object 500 shown in FIG. When it is difficult with the caliper N in the normal state, measurement utilizing the characteristics of the attachment A according to the present embodiment is possible.

  For example, when it is desired to measure the thickness of the bottom surface 500 b of the object 500, the thumb roller 11 is operated to lower the slider portion 2 in the D4 direction, and the tip 32 a of the measuring needle 32 is moved to the surface of the bottom surface 500 b of the object 500. Contact. In this state, the numerical value displayed on the liquid crystal display panel 3 is the distance between the surface of the base member A1 and the surface of the bottom surface 500b, that is, the thickness of the bottom surface 500b.

  Further, when it is desired to measure the height of the protrusion 500c on the bottom surface 500b of the object 500, first, the thumb roller 11 is operated to lower the slider part 2 in the direction D4, and the tip 32a of the measuring needle 32 is moved to the object. The origin setting button 5 is pressed in a state where it is in contact with the surface of the bottom surface 500b of 500, and the origin of the caliper N is set in this state.

  Next, the tip 32 a of the measuring needle 32 is brought into contact with the apex of the protrusion 500 c on the bottom surface 500 b of the object 500. In this state, the numerical value displayed on the liquid crystal display panel 3 is the distance between the surface of the bottom surface 500b and the apex of the protrusion 500c, that is, the height of the protrusion 500c.

  As described above, even when the shape is difficult to measure with a normal caliper, the attachment A according to the present embodiment can be easily measured and the convenience is improved.

  Note that the downward length of the measuring needle 32 may be adjusted by the fixing screw 33 in accordance with the shape of the object.

  Further, as shown in the present embodiment, the base member A1 is not limited to the case where the plate material is formed by bending, and the fitting member 25 may be formed by cutting out a metal material. The base member A1 itself may be molded from resin.

  Further, the measurement member A2 is preferably made of metal in terms of accuracy and rigidity, but may be formed of resin or the like in order to reduce the cost.

  In the present embodiment, the case where the measurement member A2 includes the fixing member 30 and the measurement needle 32 has been described. However, the present invention is not limited thereto, and the case where the measurement needle is integrally provided on the fixing member is also conceivable. .

  It is also conceivable that the entire fixing member or the measuring needle itself can be rotated from the vertical direction to the horizontal direction.

  Furthermore, in the present embodiment, the measurement is performed with the tip of the measuring needle 32 in contact with the object, but in principle, any part of the measurement member A2 is in contact with the object. Measurement is possible if there is.

  Further, in the present embodiment, the description has been made on the assumption that the user attaches the attachment A (the base member A1 and the measurement member A2) to the caliper N. However, the present invention is not limited to this. The attachment A (the pedestal member A1 and the measurement member A2) may be attached in advance, and the one in the state shown in FIG. 5 may be shipped, sold, or the like as a measurement device.

  (Second Embodiment)

  A caliper attachment A 'according to a second embodiment of the present invention will be described with reference to FIG.

  In addition, regarding the caliper attachment A ′ according to the second embodiment, the same components as those of the caliper attachment A according to the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

  Here, the configuration of the base member A1 is exactly the same as the caliper attachment A according to the first embodiment.

  Regarding the measurement member A2 ′, unlike the measurement member A2 according to the first embodiment, a scribing line is formed on the front end 30a of the fixed member 30 with respect to the object 600 placed on the base member A1. A ruled part 40 to be formed is provided.

  The ruler 40 has a ruler blade 40a formed at the tip of a shaft member 40b having a predetermined length (for example, about 1 cm).

  Although not particularly limited, in the example illustrated in FIG. 6, the measurement needle 32 is removed from the insertion hole 31 of the fixing member 30.

  Next, an operation for forming a ruled line on the object 600 using the measurement member A2 'will be described.

  First, the origin of the vernier caliper N is adjusted by operating the origin setting button 5, the slider 2 is moved in the D 5 direction by operating the thumb roller 11, and the desired height is determined based on the numerical value displayed on the liquid crystal display panel 3. Stop at.

  Next, the object 600 is placed on the base member A1, and the object 600 itself is horizontally moved in the D6 direction in a state where the object 600 is pressed against the scribing blade 40a.

  Thereby, a ruled line can be engraved at a desired height position in the object 600, and convenience is improved.

  Although the invention made by the present inventor has been specifically described based on the embodiment, the embodiment disclosed in this specification is an example in all respects and is limited to the disclosed technology. Should not be considered. That is, the technical scope according to the present invention should not be construed restrictively based on the description in the above embodiment, but should be construed according to the description of the scope of claims. All modifications within the scope of the claims and the equivalent technology and the gist of the claims are included.

  The caliper attachment and measuring device according to the present invention can be applied when measuring the depth, thickness, etc. of an object.

A, A 'Vernier caliper attachment A1 Base member A2 Measuring member D2 Direction N Vernier caliper 1 Main scale 2 Slider unit 3 Liquid crystal display panel 4 Battery cover 5 Origin setting button 6 Measurement jaw 7 on the fixed side Measuring jaw 8 on the inner side Measurement jaw DESCRIPTION OF SYMBOLS 10 Depth bar 11 Thumb roller 20 Base body 20a Side wall part 20b Bottom part 21a Rail member 21b Rail member 23 Screw 24 Fixing screw 25 Insertion groove 30 Fixing member 30a Front side end part 31 Insertion hole 32 Measuring needle 32a Tip part 33 Fixing screw 34 Fixing screw 35 Insertion groove 40 Ruled portion 40a Ruled blade 40b Shaft member 500 Object 500a Side wall 500b Bottom surface 500c Protrusion 600 Object

Claims (10)

An attachment attached to a caliper having at least a fixed-side measurement jaw and a movable-side measurement jaw,
A pedestal member that detachably fixes the measurement jaw on the fixed side, holds the entire caliper in an upright state with the measurement jaw on the fixed side as a lower side, and places an object as a measurement target; and
A measuring member that is detachably fixed to the movable measuring jaw;
Consisting of
The caliper attachment, wherein the measuring member is configured to be brought into contact with the object. The measuring member is
A fixing member that is detachably fixed to the movable measuring jaw;
A measuring needle that is extended from the fixed member to the pedestal member side and whose tip is brought into contact with the object when the movable measuring jaw is moved relative to the object;
The caliper attachment according to claim 1, comprising: The base member is
An insertion groove for inserting the measurement jaw on the fixed side;
A screw member for screwing the measurement jaw on the fixed side from the side surface in a state where the measurement jaw on the fixed side is held in the fitting groove;
The caliper attachment according to claim 1, further comprising: a caliper attachment. The measuring needle of the measuring member is
The insertion member is movably inserted into an insertion hole formed in the fixing member, and is configured to be fixed from a side surface side of the insertion hole by a screw member included in the fixing member. A caliper attachment according to claim 2 or claim 3. The measuring member is
2. The apparatus according to claim 1, further comprising a scribing portion that protrudes in a direction parallel to the movable measuring jaw and forms a scribing line for an object placed on the pedestal member. Item 5. The caliper attachment according to any one of items 4 to 5. A caliper with at least a fixed-side measurement jaw and a movable-side measurement jaw,
A pedestal member that detachably fixes the measurement jaw on the fixed side, holds the entire caliper in an upright state with the measurement jaw on the fixed side as a lower side, and places an object as a measurement target; and
A measuring member that is detachably fixed to the movable measuring jaw;
With
The measuring device is configured to be brought into contact with the object. The measuring member is
A fixing member that is detachably fixed to the movable measuring jaw;
A measuring needle that is extended from the fixed member to the pedestal member side and whose tip is brought into contact with the object when the movable measuring jaw is moved relative to the object;
The measuring apparatus according to claim 6, comprising: The base member is
An insertion groove for inserting a measuring jaw on the fixed side of the caliper;
A screw member for screwing the measurement jaw on the fixed side from the side surface in a state where the measurement jaw on the fixed side is held in the fitting groove;
The measuring apparatus according to claim 6, further comprising: The measuring needle of the measuring member is
The insertion member is movably inserted into an insertion hole formed in the fixing member, and is configured to be fixed from a side surface side of the insertion hole by a screw member included in the fixing member. The measuring apparatus according to claim 7 or 8. The measuring member is
7. The apparatus further comprises a scribing portion that projects in a direction parallel to the measuring jaw on the movable side of the caliper and forms a scribing line for an object placed on the pedestal member. The measuring apparatus according to claim 9.

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