Calibration device for single inside micrometer

Abstract

The utility model discloses a calibration device for a single inside micrometer in the related technical field of micrometer calibration, which comprises a main support frame and a first support seat, the main support frame is also provided with two second support seats in a group, the second support seats are fixedly provided with a support clamping seat, and the support clamping seat is provided with a plurality of first support seats and a plurality of second support seats. An adjusting screw is installed at the top of the supporting clamping seat through threaded connection, a pressing plate is arranged at the lower end of the adjusting screw, an outer diameter micrometer body is placed on the supporting clamping seat and the first supporting seat, and a fixing end is arranged at one end of the detection position of the outer diameter micrometer body. The first supporting seat and the second supporting seat are arranged on the main supporting frame and used for effectively supporting the outer diameter micrometer body, the supporting clamping seat, the adjusting screw and the pressing plate are arranged on the second supporting seat, the position of the outer diameter micrometer can be effectively fixed, and the outer diameter micrometer body is prevented from moving in the calibration process.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the related technical field of micrometer calibration, specifically relates to a kind of calibration device for single body inner diameter micrometer. BACKGROUND

[0002] The inner diameter micrometer is a kind of mechanical tool, is used for inner size precision measurement, is divided into single body and connecting rod, before use, the inner diameter micrometer needs to be calibrated, to ensure the detection accuracy of the inner diameter micrometer, when calibrating the inner diameter micrometer, the outer diameter micrometer is used to detect the standard rod, to determine the detection accuracy of the outer diameter micrometer, then the outer diameter micrometer is used to detect and calibrate the single body inner diameter micrometer, for the single body inner diameter micrometer of larger size specification, for example, 1.25-1.5m size specification, when calibrating, due to the size specification, the micrometer is heavy, and the specification is long, one hand holds one end to make the end of the single body inner diameter micrometer and the end of the outer diameter micrometer butt joint, and the other hand adjusts the other end and the ruler, one person is difficult to complete the calibration operation, and two people are needed to cooperate, which consumes a long time, and the calibration error is large due to the lack of tacit understanding, during calibration, the outer diameter micrometer is directly placed on the platform without limiting, and horizontal displacement is likely to occur during calibration, affecting the calibration result.

[0003] Therefore, the utility model is provided. CONTENT OF UTILITY MODEL

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art, and provide a calibration device for single body inner diameter micrometer, to solve the above technical problems, the basic concept of the technical scheme of the utility model is as follows:

[0005] A kind of calibration device for single body inner diameter micrometer, including main support frame and support seat one, the main support frame is also provided with support seat two, the support seat two is provided with a group of two, support clamping seat is fixedly arranged on the support seat two, adjusting screw is installed on the top of the support clamping seat by screw connection, the lower end of the adjusting screw is provided with a compression plate, the support clamping seat and the support seat one are placed with outer diameter micrometer main body, the detection position one end of the outer diameter micrometer main body is provided with fixed end, and the other end is provided with detection adjusting end, adjustable support seat is arranged between the fixed end and the detection adjusting end, the upper portion of the adjustable support main is provided with support groove, the standard rod is placed in the support groove, the adjustable support seat is used to support the standard rod and single body inner diameter micrometer.

[0006] As a further scheme of the utility model: the support groove is an arc-shaped groove structure, a support protection pad is arranged in the support groove, and the support protection pad is used for protecting the support position of the standard rod and the single inner diameter micrometer.

[0007] As a further scheme of the utility model: a lower connecting column is fixedly connected to the bottom surface of the adjustable support base, a matching guide column is arranged at the lower end of the lower connecting column, a main support base is fixedly arranged on the main support frame below the lower connecting column, an adjusting nut is arranged at the outer side position of the main support base connected with the lower connecting column, and the adjusting nut is used for adjusting and locking the relative position between the lower connecting column and the main support base.

[0008] As a further scheme of the utility model: a matching guide hole is arranged at the central position of the main support base, the matching guide column is inserted and installed in the matching guide hole, a limiting lifting cooperation groove is arranged at the side of the matching guide hole, a limiting protrusion is fixedly arranged at the outer side of the matching guide column, the limiting protrusion is clamped and installed in the limiting lifting cooperation groove, and the lower connecting column can be adjusted in lifting relative to the main support base.

[0009] As a further scheme of the utility model: a rotating matching ring is arranged at the outer side position of the lower connecting column at the upper end of the matching guide column, a rotating cooperation groove is arranged at the inner side of the adjusting nut, the rotating matching ring is located in the rotating cooperation groove, the adjusting nut can be rotated relative to the lower connecting column, and the lower connecting column can be effectively supported.

[0010] As a further scheme of the utility model: the adjusting nut and the outer wall of the main support base are connected through threads, a pressing protection pad is arranged on the pressing surface of the pressing plate, and the pressing protection pad is used for protecting the pressing position of the outer diameter micrometer main body.

[0011] As a further scheme of the utility model: a sunken groove and a hollow hole are arranged on the outer diameter micrometer main body, and a locking buckle is arranged at the outer side position of the detection and adjustment end head of the outer diameter micrometer main body, and the locking buckle is used for locking the position of the detection and adjustment end head.

[0012] After the above technical scheme is adopted, the utility model has the following beneficial effects compared with the prior art.

[0013] The utility model is provided with support base one and support base two on the main support frame, is used for effectively supporting the outer diameter micrometer main body, is provided with a support clamping base, an adjusting screw and a pressing plate on the support base two, can effectively fix the position of the outer diameter micrometer, and avoids that the outer diameter micrometer main body moves in the calibration process.

[0014] The utility model discloses a adjustable support seat is arranged between the lower portion of the check end head of outer diameter thousandth main part, is used for effectively supporting the standard pole and single body inner diameter micrometer during the calibration process, and the operator only needs to butt joint one end of inner diameter micrometer with fixed end head, and owing to the support of adjustable support seat, only control detection adjustment end head one end can realize the calibration operation of inner diameter micrometer, and effectively reduce the calibration difficulty of the single body inner diameter micrometer of size specification bigger.

[0015] The utility model discloses a adjustable support seat is arranged between the lower portion of the check end head of outer diameter thousandth main part, is used for effectively supporting the standard pole and single body inner diameter micrometer during the calibration process, and the operator only needs to butt joint one end of inner diameter micrometer with fixed end head, and owing to the support of adjustable support seat, only control detection adjustment end head one end can realize the calibration operation of inner diameter micrometer, and effectively reduce the calibration difficulty of the single body inner diameter micrometer of size specification bigger. ACCOMPA

[0016] The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide further understanding of the utility model. The schematic embodiments of the utility model and their descriptions are used to explain the utility model, but do not constitute improper limitation on the utility model. Obviously, the drawings in the following description are only some embodiments, and other drawings can be obtained by those skilled in the art without creating laborious work. In the drawings:

[0017] Fig. 1 It is the structural schematic diagram of the utility model;

[0018] Fig. 2 It is the front view of the utility model;

[0019] Fig. 3 It is the top view of the utility model;

[0020] Fig. 4 It is the adjustable support seat installation schematic drawing of the utility model.

[0021] In the drawing: 1, main support frame;2, support seat one;3, support seat two;4, support clamping seat;5, adjusting screw;6, compression plate;7, fixed end head;8, standard pole;9, adjustable support seat;10, detection adjustment end head;11, outer diameter micrometer main body;12, compression protection pad;13, locking buckle;14, support groove;15, support protection pad;16, lower connecting column;17, cooperation guide column;18, main support seat;19, adjusting nut;20, rotation cooperation ring;21, rotation cooperation groove;22, cooperation guide hole;23, limit lug;24, limit lifting cooperation groove.

[0022] It should be noted that these drawings and textual descriptions are not intended to limit the concept range of the utility model in any way, but to illustrate the concept of the utility model to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the utility model embodiment clearer, the technical scheme in the embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment, and the following embodiments are used to illustrate the utility model, but not to limit the scope of the utility model.

[0024] As shown in the figure, Figs. 1 to 4 A kind of calibration device for single inner diameter micrometer, main support frame 1 and support seat one 2, main support frame 1 still is provided with support seat two 3, support seat two 3 is provided with a group of two, support seat two 3 is fixedly provided with support card seat 4, the top of support card seat 4 is installed with adjusting screw 5 by screw connection, the lower end of adjusting screw 5 is provided with pressing plate 6, support card seat 4 and support seat one 2 are placed with outer diameter micrometer main body 11, the detection position one end of outer diameter micrometer main body 11 is provided with fixed end 7, and the other end is provided with detection adjusting end 10, and adjustable support seat 9 is arranged between fixed end 7 and detection adjusting end 10, the upper portion of adjustable support main is provided with support groove 14, standard rod 8 is placed in support groove 14, and adjustable support seat 9 is used to support standard rod 8 and single inner diameter micrometer.

[0025] Among them, support groove 14 is arc groove structure, support groove 14 is provided with support protective pad 15, and support protective pad 15 is used to protect the support position of standard rod 8 and single inner diameter micrometer.

[0026] The bottom surface of adjustable support seat 9 is fixedly connected with lower connecting column 16, the lower end of lower connecting column 16 is provided with matched guide column 17, main support frame 1 below lower connecting column 16 is fixedly provided with main support seat 18, the outer side position of main support seat 18 connected with lower connecting column 16 is provided with adjusting nut 19 for adjusting and locking the relative position between lower connecting column 16 and main support seat 18.

[0027] The center position of main support seat 18 is provided with matched guide hole 22, matched guide column 17 is insertedly installed in matched guide hole 22, the side of matched guide hole 22 is provided with limiting lifting cooperation slot 24, limiting lug 23 is fixedly arranged on the outer side of matched guide column 17, limiting lug 23 is clampedly installed in limiting lifting cooperation slot 24, to ensure that lower connecting column 16 can be adjusted in lifting relative to main support seat 18.

[0028] The outer side position of lower connecting column 16 on the upper end of matched guide column 17 is provided with rotating cooperation ring 20, the inner side of adjusting nut 19 is provided with rotating cooperation slot 21, rotating cooperation ring 20 is located in rotating cooperation slot 21, to ensure that adjusting nut 19 can rotate relative to lower connecting column 16, and can effectively support lower connecting column 16.

[0029] The adjusting nut 19 is connected with the outer wall of the main support base 18 through thread connection, and the pressing surface of the pressing plate 6 is provided with the pressing protective pad 12 for protecting the pressing position of the outer diameter micrometer main body 11.

[0030] The outer diameter micrometer main body 11 is provided with a sinking groove and a hollow hole, and the outer side position of the detection and adjustment end head 10 of the outer diameter micrometer main body 11 is provided with the locking buckle 13 for locking the position of the detection and adjustment end head 10.

[0031] The working principle of the utility model is: the device can be used for detecting and calibrating the outer diameter micrometer main body 11, and also can be used for detecting and calibrating the single inner diameter micrometer;

[0032] The outer diameter micrometer is placed on the triangular position plane formed by the support base one 2 and the support clamping base 4, the support clamping base 4 is provided with the adjusting screw 5, the lower end of the adjusting screw 5 is provided with the pressing plate 6, the position of the pressing plate 6 is moved by the adjusting screw 5, the position of the outer diameter micrometer main body 11 is fixed, then the standard rod 8 is taken out, the standard rod 8 is placed in the support groove 14 of the adjustable support base 9, the height position of the adjustable support base 9 is adjusted by rotating the adjusting nut 19, the end head of the standard rod 8 is contacted and matched with the fixed end head of the outer diameter micrometer main body 11, the other end of the standard rod 8 is held by hand and is matched with the detection and adjustment end head 10 of the outer diameter micrometer main body 11, the calibration of the outer diameter micrometer main body 11 is carried out, after the calibration of the outer diameter micrometer main body 11 is completed, the standard rod 8 is taken down, the locking buckle 13 is adjusted, and the position of the outer diameter micrometer is locked;

[0033] The single inner diameter micrometer is placed on the adjustable support base 9, the fixed end of the single inner diameter micrometer is matched with the fixed end head 7 of the outer diameter micrometer main body 11, the adjustment end head of the single inner diameter micrometer is matched with the detection and adjustment end head 10 of the outer diameter micrometer main body 11, and the calibration of the single inner diameter micrometer is carried out, the single inner diameter micrometer is effectively supported by the adjustable support base 9, and the operation difficulty in the calibration process can be effectively reduced, and one person can complete the calibration work;

[0034] The utility model discloses reasonable structure design, convenient to use is provided with support seat no. 2 and support seat no. 3 on main support frame 1, is used for effectively supporting to outer diameter micrometer main body 11, is provided with support card seat 4, adjusting screw 5 and compression plate 6 on support seat no. 3, can effectively fix the position of outer diameter micrometer, avoid the position of outer diameter micrometer main body 11 moving in the calibration process below the inspection end head of outer diameter micrometer main body, is provided with adjustable support seat 9, is used for effectively supporting standard pole 8 and single body inner diameter micrometer in the calibration process, and the operator only needs to butt joint one end of inner diameter micrometer with fixed end 7, owing to the support of adjustable support seat 9, only control detection adjusting end 10 one end can realize the calibration operation of inner diameter micrometer, effectively reduce the calibration difficulty of single body inner diameter micrometer of size specification bigger.

[0035] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form, although the utility model has disclosed as above with the preferred embodiment, however, is not used to limit the utility model, any skilled person in the art can make some changes or modification as equivalent embodiment of equivalent change within the scope of the technical scheme of the utility model with the technical content disclosed above, but as long as the content of the utility model technical scheme is not departed from, according to the technical essence of the utility model, any simple modification, equivalent change and modification of the above embodiment, still belong to the scope of the utility model scheme.

Claims

1. A calibration device for internal diameter micrometer, comprising a main support frame (1) and a support seat I (2), characterized in that, The main support frame (1) is also provided with a support seat two (3), the support seat two (3) is provided with a group of two, the support seat two (3) is fixedly provided with a support card seat (4), the top of the support card seat (4) is provided with an adjusting screw (5) through threaded connection, the lower end of the adjusting screw (5) is provided with a pressing plate (6), the support card seat (4) and the support seat one (2) are placed with an outer diameter micrometer main body (11), one end of the detection position of the outer diameter micrometer main body (11) is provided with a fixed end (7), the other end is provided with a detection adjusting end (10), the fixed end (7) and the detection adjusting end (10) are provided with an adjustable support seat (9), the upper part of the adjustable support main is provided with a support groove (14), the support groove (14) is placed with a standard rod (8).

2. A calibration device for a single-piece inside diameter micrometer according to claim 1, characterized in that The support groove (14) is an arc-shaped groove structure, and the support groove (14) is provided with a support protection pad (15).

3. A calibration device for a single-piece inside diameter micrometer according to claim 2, characterized in that The bottom surface of the adjustable support seat (9) is fixedly connected with a lower connecting column (16), the lower end of the lower connecting column (16) is provided with a matching guide column (17), the main support frame (1) below the lower connecting column (16) is fixedly provided with a main support seat (18), the outer side position of the main support seat (18) connected with the lower connecting column (16) is provided with an adjusting nut (19).

4. A calibration device for a single-piece inside diameter micrometer according to claim 3, characterized in that The center position of the main support seat (18) is provided with a matching guide hole (22), the matching guide column (17) is insertedly installed in the matching guide hole (22), the side of the matching guide hole (22) is provided with a limiting lifting matching groove (24), the outer side of the matching guide column (17) is fixedly provided with a limiting protrusion (23), the limiting protrusion (23) is clampedly installed in the limiting lifting matching groove (24).

5. A calibration device for a single-piece inside diameter micrometer according to claim 4, characterized in that The outer side position of the lower connecting column (16) of the matching guide column (17) upper end is provided with a rotating matching ring (20), the inner side of the adjusting nut (19) is provided with a rotating matching groove (21), and the rotating matching ring (20) is located in the rotating matching groove (21).

6. A calibration device for a single-piece inside diameter micrometer according to claim 5, characterized in that The adjusting nut (19) and the outer wall of the main support seat (18) are connected through threads, and the pressing surface of the pressing plate (6) is provided with a pressing protection pad (12).

7. A calibration device for a single-piece inside diameter micrometer according to claim 6, characterized in that The outer diameter micrometer main body (11) is provided with a sunken groove and a hollow hole, and the outer side position of the detection adjusting end (10) of the outer diameter micrometer main body (11) is provided with a locking buckle (13).

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