CN211527279U - High-precision contact type measuring device for measuring inner diameter and height - Google Patents
High-precision contact type measuring device for measuring inner diameter and height Download PDFInfo
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- CN211527279U CN211527279U CN202020383965.4U CN202020383965U CN211527279U CN 211527279 U CN211527279 U CN 211527279U CN 202020383965 U CN202020383965 U CN 202020383965U CN 211527279 U CN211527279 U CN 211527279U
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Abstract
The utility model discloses a measure high accuracy contact measuring device of internal diameter and height, including sample rack and the first locating lever of fixed mounting in sample rack top, the second locating lever is installed perpendicularly to the one end that sample rack was kept away from to first locating lever surface, the inside central locating lever of installing perpendicularly of second locating lever, central locating lever below movable mounting has the dipperstick. The utility model provides a sample placing device through the arrangement of the sample placing rack, so as to prevent the sample and the vernier caliper from deviating in the actual measurement process; through the setting of central locating lever and circular fixed establishment, fix the position of sample spare, place the pole through setting up on slide caliper, when making things convenient for actual measurement, slide caliper is located the central line department of sample spare, makes things convenient for actual measurement, reduces human error.
Description
Technical Field
The utility model belongs to the technical field of the measuring instrument, especially, relate to a measure high accuracy contact measuring device of internal diameter and height.
Background
A vernier caliper (VERNIER CALLIPER) is a measuring tool for measuring length, inner diameter, outer diameter and depth, and is a widely used high-precision measuring tool in the measuring tool family of shapes and colors, and is an extension and expansion of a ruled line ruler.
In the measuring process of the vernier caliper, the sample piece is generally held by a tester, and the sample piece and the vernier caliper are easy to deviate during measurement, so that the measurement is inaccurate; in addition, when the aperture is measured, the aperture needs to be measured along the direction of the central line of the hole, and during actual measurement, the central line of the hole needs to be judged manually or the hole needs to be measured for multiple times, so that the operation is inconvenient and manual errors exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problems in the prior art and provide a high-precision contact measuring device for measuring the inner diameter and the height, and through the arrangement of the sample placing rack, a sample placing device is provided to prevent the deviation between the sample and the vernier caliper in the actual measuring process; through the setting of central locating lever and circular fixed establishment, fix the position of sample spare, place the pole through setting up on slide caliper, when making things convenient for actual measurement, slide caliper is located the central line department of sample spare, makes things convenient for actual measurement, reduces human error.
For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:
a high-precision contact type measuring device for measuring the inner diameter and the height comprises a sample placing frame and a first positioning rod fixedly arranged above the sample placing frame, wherein a second positioning rod is vertically arranged at one end, away from the sample placing frame, of the outer surface of the first positioning rod, a central positioning rod is vertically arranged in the second positioning rod, and a measuring scale is movably arranged below the central positioning rod;
the sample placing frame comprises a first bottom plate and a second bottom plate which are symmetrically arranged from bottom to top, connecting sleeves are fixedly arranged on the periphery of the top surface of the first bottom plate, third positioning rods are slidably arranged in the connecting sleeves, the top surfaces of the third positioning rods are fixedly connected with the lower bottom surface of the second bottom plate, and a hydraulic rod is fixedly arranged in the center of the top surface of the first bottom plate;
a placing hole is formed in the center of the top surface of the second bottom plate, a positioning circular plate is slidably mounted in the placing hole, the output end of the hydraulic rod is fixedly connected with the positioning circular plate, two arc-shaped sliding plates matched with the placing hole are fixedly mounted on the edge of the lower bottom surface of the positioning circular plate along the circumferential direction, and a sample fixing mechanism is fixedly mounted in the center of the top surface of the positioning circular plate;
the dipperstick includes slide caliper and the arc connecting rod of fixed mounting at the slide caliper leading flank, arc connecting rod one end and slide caliper fixed connection, slide caliper other end fixed mounting places the pole, it has the standing groove with central locating lever matched with to place the pole side and open.
Furthermore, the sample fixing mechanism comprises two arc plates which are symmetrically arranged and a circular plate which is fixedly arranged between the two arc plates, the center of the top surface of the circular plate is fixedly provided with the circular fixing mechanism, a sample piece is arranged outside the circular fixing mechanism in a matching manner, the central positioning rod is positioned right above the sample piece, and the top surface of the arc plate is fixedly provided with the sample piece pressing mechanism;
the circular fixing mechanism comprises two symmetrically-arranged extension assemblies and a connecting ring rotatably arranged between the two extension assemblies, a mounting column is slidably arranged in the connecting ring, and the mounting column is fixedly arranged in the center of the top surface of the circular plate;
the extension assembly comprises an arc-shaped baffle plate and a rotary stop lever which are rotatably connected, one end of the rotary stop lever, which is far away from the arc-shaped baffle plate, is rotatably connected with the connecting ring, and the outer surface of the arc-shaped baffle plate is tightly contacted with the inner surface of the sample piece;
sample spare hold-down mechanism includes the screw thread post and rotates the pressure strip of installing at screw thread post surface, bottom surface edge fixed mounting has the friction strip that compresses tightly under the pressure strip, bottom surface and sample spare top surface in close contact with under the friction strip compress tightly, screw thread post surface threaded connection has the nut, bottom surface and pressure strip top surface in close contact with under the nut.
The utility model has the advantages that:
the utility model provides a sample placing device through the arrangement of the sample placing rack, so as to prevent the sample and the vernier caliper from deviating in the actual measurement process; through the setting of central locating lever and circular fixed establishment, fix the position of sample spare, place the pole through setting up on slide caliper, when making things convenient for actual measurement, slide caliper is located the central line department of sample spare, makes things convenient for actual measurement, reduces human error.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an exploded view of the local structure of the present invention;
fig. 3 is a partial structural schematic diagram of the present invention;
fig. 4 is a partial structural schematic diagram of the present invention;
fig. 5 is a partial structural schematic diagram of the present invention;
fig. 6 is a schematic view of a partial structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
As shown in fig. 1, a high-precision contact-type measuring device for measuring an inner diameter and a height comprises a sample holder 1 and a first positioning rod 2 fixedly mounted above the sample holder 1, wherein a second positioning rod 3 is perpendicularly mounted at one end, far away from the sample holder 1, of the outer surface of the first positioning rod 2, a central positioning rod 4 is perpendicularly mounted inside the second positioning rod 3, and a measuring scale 5 is movably mounted below the central positioning rod 4.
As shown in fig. 2 to 5, the sample placement rack 1 includes a first bottom plate 11 and a second bottom plate 12 symmetrically arranged from bottom to top, a connecting sleeve 111 is fixedly installed around the top surface of the first bottom plate 11, a third positioning rod 112 is slidably installed in the connecting sleeve 111, the top surface of the third positioning rod 112 is fixedly connected with the lower bottom surface of the second bottom plate 12, and a hydraulic rod 113 is fixedly installed in the center of the top surface of the first bottom plate 11;
a placing hole 121 is formed in the center of the top surface of the second bottom plate 12, a positioning circular plate 122 is slidably mounted in the placing hole 121, the output end of the hydraulic rod 15 is fixedly connected with the positioning circular plate 122, two arc-shaped sliding plates 123 matched with the placing hole 121 are fixedly mounted on the edge of the lower bottom surface of the positioning circular plate 122 along the circumferential direction, and a sample fixing mechanism 13 is fixedly mounted in the center of the top surface of the positioning circular plate 122;
the sample fixing mechanism 13 comprises two arc-shaped plates 131 which are symmetrically arranged and a circular plate 132 which is fixedly arranged between the two arc-shaped plates 131, the circular fixing mechanism 14 is fixedly arranged in the center of the top surface of the circular plate 132, a sample piece 133 is arranged outside the circular fixing mechanism 14 in a matching manner, the central positioning rod 4 is positioned right above the sample piece 133, and the sample piece pressing mechanism 15 is fixedly arranged on the top surface of the arc-shaped plate 131;
the circular fixing mechanism 14 comprises two symmetrically-arranged extending components 141 and a connecting ring 142 rotatably installed between the two extending components 141, a mounting column 143 is slidably installed in the connecting ring 142, and the mounting column 143 is fixedly installed in the center of the top surface of the circular plate 132;
the extension assembly 141 comprises an arc-shaped baffle 144 and a rotary stop rod 145 which are rotatably connected, one end of the rotary stop rod 145, which is far away from the arc-shaped baffle 144, is rotatably connected with the connecting ring 142, and the outer surface of the arc-shaped baffle 144 is tightly contacted with the inner surface of the sample piece 133;
the sample piece pressing mechanism 15 comprises a threaded column 151 and a pressing plate 152 rotatably mounted on the outer surface of the threaded column 151, a pressing friction plate 153 is fixedly mounted on the edge of the lower bottom surface of the pressing plate 152, the lower bottom surface of the pressing friction plate 153 is in close contact with the top surface of the sample piece 133, a nut 154 is in threaded connection with the outer surface of the threaded column 151, and the lower bottom surface of the nut 154 is in close contact with the top surface of the pressing plate 152.
As shown in fig. 6, the measuring scale 5 includes a vernier caliper 51 and an arc connecting rod 52 fixedly installed on the front side surface of the vernier caliper 51, one end of the arc connecting rod 52 is fixedly connected with the vernier caliper 51, the other end of the vernier caliper 51 is fixedly installed with a placing rod 53, and a placing groove 54 matched with the central positioning rod 4 is opened on the side surface of the placing rod 53.
In the actual use process, a sample piece placing device is provided through the arrangement of the sample placing frame 1, so that the sample piece 133 and the vernier caliper 51 are prevented from deviating in the actual measurement process; through the setting of central locating lever 4 and circular fixed establishment 14, fix the position of sample spare 133, through set up on slide caliper 51 and place pole 53, when making things convenient for actual measurement, slide caliper 51 is located the central line department of sample spare 133, makes things convenient for actual measurement, reduces human error.
The utility model provides a high-precision contact measuring device for measuring inner diameter and height, when in use, a sample piece 133 is firstly placed outside a circular fixing mechanism 14, so that the sample piece 133 is positioned in the center of a circular plate 132, after the placement is completed, a pressure strip 152 is rotated, so that the pressure strip 152 is placed above the sample piece 133, and after the placement is completed, a nut 154 is used for screwing and fixing; after the fixing is finished, the hydraulic rod 113 is started, the sample piece 133 is close to the measuring scale 5, the inner diameter of the sample piece 133 is measured by the measuring scale 5, after the measuring is finished, the sample piece 133 is taken out from the central positioning rod 4, the depth of the sample piece 133 is measured by the measuring scale 5, and therefore the size of the sample piece 133 is measured.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (2)
1. The utility model provides a measure high accuracy contact measuring device of internal diameter and height which characterized in that: the device comprises a sample placing frame (1) and a first positioning rod (2) fixedly arranged above the sample placing frame (1), wherein a second positioning rod (3) is vertically arranged at one end, far away from the sample placing frame (1), of the outer surface of the first positioning rod (2), a central positioning rod (4) is vertically arranged inside the second positioning rod (3), and a measuring scale (5) is movably arranged below the central positioning rod (4);
the sample placing frame (1) comprises a first bottom plate (11) and a second bottom plate (12) which are symmetrically arranged from bottom to top, connecting sleeves (111) are fixedly arranged on the periphery of the top surface of the first bottom plate (11), third positioning rods (112) are slidably arranged in the connecting sleeves (111), the top surfaces of the third positioning rods (112) are fixedly connected with the lower bottom surface of the second bottom plate (12), and a hydraulic rod (113) is fixedly arranged in the center of the top surface of the first bottom plate (11);
a placing hole (121) is formed in the center of the top surface of the second bottom plate (12), a positioning circular plate (122) is arranged in the placing hole (121) in a sliding mode, the output end of the hydraulic rod (113) is fixedly connected with the positioning circular plate (122), two arc-shaped sliding plates (123) matched with the placing hole (121) are fixedly arranged on the edge of the lower bottom surface of the positioning circular plate (122) along the circumferential direction, and a sample fixing mechanism (13) is fixedly arranged in the center of the top surface of the positioning circular plate (122);
dipperstick (5) include slide caliper (51) and fixed mounting arc connecting rod (52) at slide caliper (51) leading flank, arc connecting rod (52) one end and slide caliper (51) fixed connection, slide caliper (51) other end fixed mounting places pole (53), it has standing groove (54) with central locating lever (4) matched with to place pole (53) side opening.
2. A high-precision contact-type measuring instrument for measuring an inner diameter and a height according to claim 1, wherein: the sample fixing mechanism (13) comprises two arc-shaped plates (131) which are symmetrically arranged and a circular plate (132) which is fixedly installed between the two arc-shaped plates (131), the center of the top surface of the circular plate (132) is fixedly provided with a circular fixing mechanism (14), a sample piece (133) is placed outside the circular fixing mechanism (14) in a matched manner, the central positioning rod (4) is positioned right above the sample piece (133), and the top surface of the arc-shaped plate (131) is fixedly provided with a sample piece pressing mechanism (15);
the circular fixing mechanism (14) comprises two symmetrically-arranged extension assemblies (141) and a connecting circular ring (142) rotatably mounted between the two extension assemblies (141), a mounting column (143) is slidably mounted in the connecting circular ring (142), and the mounting column (143) is fixedly mounted in the center of the top surface of the circular plate (132);
the extension assembly (141) comprises an arc-shaped baffle plate (144) and a rotary stop lever (145) which are rotatably connected, one end, far away from the arc-shaped baffle plate (144), of the rotary stop lever (145) is rotatably connected with a connecting ring (142), and the outer surface of the arc-shaped baffle plate (144) is tightly contacted with the inner surface of the sample piece (133);
sample spare hold-down mechanism (15) include screw thread post (151) and rotate and install pressure strip (152) at screw thread post (151) surface, bottom surface edge fixed mounting has compressing friction plate (153) under pressure strip (152), bottom surface and sample spare (133) top surface in close contact with under compressing friction plate (153), screw thread post (151) surface threaded connection has nut (154), bottom surface and pressure strip (152) top surface in close contact with under nut (154).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020383965.4U CN211527279U (en) | 2020-03-24 | 2020-03-24 | High-precision contact type measuring device for measuring inner diameter and height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020383965.4U CN211527279U (en) | 2020-03-24 | 2020-03-24 | High-precision contact type measuring device for measuring inner diameter and height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211527279U true CN211527279U (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020383965.4U Active CN211527279U (en) | 2020-03-24 | 2020-03-24 | High-precision contact type measuring device for measuring inner diameter and height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211527279U (en) |
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- 2020-03-24 CN CN202020383965.4U patent/CN211527279U/en active Active
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