CN218723749U

CN218723749U - Measure measuring apparatu of round hole internal diameter

Info

Publication number: CN218723749U
Application number: CN202222942687.3U
Authority: CN
Inventors: 陈佳欣; 梅雪东; 朴健
Original assignee: Tangshan Municipal Engineering Environmental Health Affairs Center
Current assignee: Tangshan Municipal Engineering Environmental Health Affairs Center
Priority date: 2022-11-06
Filing date: 2022-11-06
Publication date: 2023-03-24
Anticipated expiration: 2032-11-06

Abstract

The utility model belongs to the technical field of the round hole internal diameter measurement technique and specifically relates to a measure measuring apparatu of round hole internal diameter, including mounting panel, base and scale, mounting panel fixed mounting is on the base, scale fixed mounting still includes measuring mechanism in one side of mounting panel, measuring mechanism movable mounting is on the mounting panel, measuring mechanism is used for measuring the internal diameter of round hole, the utility model discloses an insert first measuring stick and second measuring stick in the round hole for the spring shrink leads to the backup pad to support the measurand article, and then reaches and conveniently supports the measurand article, thereby keeps the stable effect of measuring, changes the drive threaded rod through rotating and rotates, and then makes the fly leaf drive first measuring stick and rise, all contradict on the inner wall of round hole until first measuring stick and second measuring stick, the scale interval of the directional scale of rethread pointer to reach the effect of conveniently measuring the round hole internal diameter.

Description

Measure measuring apparatu of round hole internal diameter

Technical Field

The utility model relates to a round hole internal diameter measurement technical field especially relates to a measure measuring apparatu of round hole internal diameter.

Background

In prior art, during the measurement of round hole internal diameter, often through inserting two mobilizable measuring sticks in the round hole, through the in close contact with of two measuring sticks and round hole inner wall for accomplish closely fixed between round hole and the two measuring sticks, the internal diameter of round hole is shown to the distance between two measuring sticks of rethread measurement.

Based on above-mentioned explanation, two measuring sticks of artificial activity this moment realize the straight line and aim to carry out measuring process to the internal diameter of round hole, relative accuracy is lower, both need adjust the measurand article simultaneously, need adjust the measuring stick again, lead to measuring inconveniently, the position of measurand article and measuring stick is adjusted to gravity through article itself this moment, thereby it is necessary to realize the straight line and aim, consequently provides the measuring apparatu of measurement round hole internal diameter.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a measuring instrument for measuring the inner diameter of a round hole.

In order to realize the purpose, the utility model adopts the following technical scheme:

the measuring instrument for measuring the inner diameter of the round hole comprises a mounting plate, a base and a graduated scale, wherein the mounting plate is fixedly mounted on the base, and the graduated scale is fixedly mounted on one side of the mounting plate;

the measuring mechanism, measuring mechanism movable mounting is on the mounting panel, measuring mechanism is used for measuring the internal diameter of round hole, measuring mechanism includes movable groove, threaded rod, two dead levers, fly leaf, first measuring stick and second measuring stick, the movable groove is seted up on the mounting panel, the fly leaf activity is arranged in the movable groove and is offered the through thread hole, the threaded rod rotates and installs in the movable groove and through thread hole and fly leaf threaded connection, two the dead lever interval is fixed in the movable groove and is run through the fly leaf, first measuring stick fixed mounting is on the fly leaf, second measuring stick fixed mounting is on the mounting panel and interval arrangement is in the below of first measuring stick.

Preferably, the mounting plate is movably provided with a supporting mechanism, and the supporting mechanism is used for supporting an object to be measured.

Preferably, the supporting mechanism includes spout, montant, slider, spring and backup pad, the spout is seted up on the mounting panel and is arranged in the below in activity groove, the slider activity is arranged in the spout, the montant is vertical to be fixed in the spout and to run through the slider, the one end fixed connection of spring is on the slider, other end fixed connection is in the spout, just the spring housing is established on the montant, backup pad fixed mounting is on the slider.

Preferably, a pointer is fixedly mounted on the movable plate, and one end of the pointer is arranged on the graduated scale.

The utility model provides a pair of measure measuring apparatu of round hole internal diameter, beneficial effect lies in: this measure measuring apparatu of round hole internal diameter is through inserting first measuring stick and second measuring stick in the round hole, make the spring shrink, lead to the backup pad to support the measurand article, and then reach and conveniently support the measurand article, thereby keep the stable effect of measuring, it rotates to drive the threaded rod through rotating, and then make the fly leaf drive first measuring stick and rise, all contradict on the inner wall of round hole until first measuring stick and second measuring stick, the scale interval of the directional scale of rethread pointer, thereby reach the effect of conveniently measuring the round hole internal diameter.

Drawings

Fig. 1 is the utility model provides an isometric view structure schematic diagram of a measuring instrument for measuring the inner diameter of a round hole.

Fig. 2 is the utility model provides a side view profile structure schematic diagram of a measuring instrument for measuring the inner diameter of a round hole.

Fig. 3 is an enlarged schematic view of a part a of the measuring instrument for measuring the inner diameter of the circular hole of the present invention.

Fig. 4 is a schematic diagram of a B-portion enlarged structure of a measuring instrument for measuring an inner diameter of a circular hole according to the present invention.

In the figure: the device comprises a mounting plate 1, a base 2, a measuring mechanism 3, a movable groove 31, a threaded rod 32, a fixed rod 33, a movable plate 34, a first measuring rod 35, a second measuring rod 36, a supporting mechanism 4, a sliding groove 41, a vertical rod 42, a sliding block 43, a spring 44, a supporting plate 45, a graduated scale 5, a pointer 6 and a rotating handle 7.

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.

Example 1:

referring to fig. 1-4, a measuring instrument for measuring the inner diameter of a circular hole comprises a mounting plate 1, a base 2 and a graduated scale 5, wherein the mounting plate 1 is fixedly mounted on the base 2, the graduated scale 5 is fixedly mounted on one side of the mounting plate 1, and the graduated scale 5 is used for displaying measurement scales;

the measuring mechanism 3, the measuring mechanism 3 is movably mounted on the mounting plate 1, the measuring mechanism 3 is used for measuring the inner diameter of a round hole, the measuring mechanism 3 comprises a movable groove 31, a threaded rod 32, two fixing rods 33, a movable plate 34, a first measuring rod 35 and a second measuring rod 36, the movable groove 31 is formed in the mounting plate 1, the movable groove 31 is used for providing a movable space, the movable plate 34 is movably arranged in the movable groove 31 and is provided with a through threaded hole, the movable plate 34 is used for moving and driving the first measuring rod 35 to move, the threaded rod 32 is rotatably mounted in the movable groove 31 and is in threaded connection with the movable plate 34 through the through threaded hole, the threaded rod 32 is used for rotatably driving the movable plate 34 to move, the two fixing rods 33 are fixed in the movable groove 31 at intervals and penetrate through the movable plate 34, the first measuring rod 35 is fixedly mounted on the movable plate 34, the fixing rods 33 are used for fixing the moving path of the movable plate 34, the second measuring rod 36 is fixedly mounted on the mounting plate 1 and is arranged below the first measuring rod 35 at intervals, the second measuring rod 36 is used for measuring the inner diameter of a round hole in cooperation with the first measuring rod 36, a rotating handle 7 is rotatably mounted on the mounting plate 1, and the rotating handle 7 and is coaxially mounted with the threaded rod 32 for conveniently rotating handle 7.

The movable plate 34 is fixedly provided with a pointer 6, one end of the pointer 6 is arranged on the graduated scale 5, and the pointer 6 is used for pointing to the graduated scale 5 to display the inner diameter of the circular hole.

The working principle is as follows: when using, rotate earlier and change 7 and make threaded rod 32 rotate, and then make fly leaf 34 and first measuring stick 35 descend to the minimum, insert first measuring stick 35 and second measuring stick 36 in the round hole of measurand article again, article are under the effect of self gravity this moment, the line coincidence between the vertical direction diameter that keeps the round hole and the first measuring stick 35 and the 36 centre of a circle of second measuring stick, thereby realize straight line aim, rotate again and change 7 and make threaded rod 32 rotate, and then make fly leaf 34 and first measuring stick 35 rise, and then make first measuring stick 35 and second measuring stick 36 contradict respectively at the both ends of round hole, pointer 6 moves to a certain numerical value of scale 5 this moment, and then show the internal diameter of round hole.

Example 2:

in embodiment 1, after the round hole of the article is sleeved on the first measuring rod 35, referring to fig. 1-4, the embodiment includes a supporting mechanism 4 for supporting the article;

the mounting plate 1 is movably provided with a supporting mechanism 4, and the supporting mechanism 4 is used for supporting an object to be measured.

The supporting mechanism 4 comprises a sliding groove 41, a vertical rod 42, a sliding block 43, a spring 44 and a supporting plate 45, the sliding groove 41 is arranged on the mounting plate 1 and is arranged below the movable groove 31, the sliding groove 41 is used for providing a sliding space, the sliding block 43 is movably arranged in the sliding groove 41, the sliding block 43 is used for moving in the sliding groove 41, the vertical rod 42 is vertically fixed in the sliding groove 41 and penetrates through the sliding block 43, the vertical rod 42 is used for fixing a moving path of the sliding block 43, one end of the spring 44 is fixedly connected to the sliding block 43, the other end of the spring 44 is fixedly connected to the sliding groove 41, the spring 44 is sleeved on the vertical rod 42 and is used for providing telescopic elastic force, the supporting plate 45 is fixedly installed on the sliding block 43, and the supporting plate 45 is used for supporting an object to be measured.

The working principle is as follows: when inserting first measuring stick 35 and second measuring stick 36 in the round hole of measurand article, the measurand article are placed on backup pad 45, make spring 44 shrink, spring 44 provides elasticity this moment and makes backup pad 45 position stable, rotate again and change 7 and make threaded rod 32 rotate, and then make fly leaf 34 and first measuring stick 35 rise, and then make first measuring stick 35 and second measuring stick 36 contradict respectively at the both ends of round hole, pointer 6 removes to a certain numerical value of scale 5 this moment, and then shows the internal diameter of round hole.

The general working principle is as follows: when the device is used, the rotating handle 7 is rotated firstly, so that the threaded rod 32 rotates, the movable plate 34 and the first measuring rod 35 descend to the lowest position, then the first measuring rod 35 and the second measuring rod 36 are inserted into the round hole of an object to be measured, at the moment, the diameter of the round hole in the vertical direction is kept to be overlapped with the connecting line between the circle centers of the first measuring rod 35 and the second measuring rod 36 under the action of self gravity of the object, and therefore straight line aiming is achieved;

when inserting first measuring stick 35 and second measuring stick 36 in the round hole of measurand article, the measurand article are placed on backup pad 45, make spring 44 shrink, spring 44 provides elasticity this moment and makes backup pad 45 position stable, rotate again and change 7 and make threaded rod 32 rotate, and then make fly leaf 34 and first measuring stick 35 rise, and then make first measuring stick 35 and second measuring stick 36 contradict respectively at the both ends of round hole, pointer 6 removes to a certain numerical value of scale 5 this moment, and then shows the internal diameter of round hole.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A measuring instrument for measuring the inner diameter of a round hole comprises a mounting plate (1), a base (2) and a graduated scale (5), wherein the mounting plate (1) is fixedly mounted on the base (2), and the graduated scale (5) is fixedly mounted on one side of the mounting plate (1);

measuring mechanism (3), measuring mechanism (3) movable mounting is on mounting panel (1), measuring mechanism (3) are used for measuring the internal diameter of round hole, measuring mechanism (3) are including activity groove (31), threaded rod (32), two dead levers (33), fly leaf (34), first measuring stick (35) and second measuring stick (36), activity groove (31) are seted up on mounting panel (1), fly leaf (34) activity is arranged in activity groove (31) and seted up the through thread hole, threaded rod (32) rotate and install in activity groove (31) and through the through thread hole and fly leaf (34) threaded connection, two dead lever (33) interval is fixed in activity groove (31) and run through fly leaf (34), first measuring stick (35) fixed mounting is on fly leaf (34), second measuring stick (36) fixed mounting is on mounting panel (1) and interval arrangement is in the below of first measuring stick (35).

2. The measuring instrument for measuring the inner diameter of the circular hole according to claim 1, wherein a supporting mechanism (4) is movably mounted on the mounting plate (1), and the supporting mechanism (4) is used for supporting an object to be measured.

3. The measuring instrument for measuring the inner diameter of the circular hole according to claim 2, wherein the supporting mechanism (4) comprises a sliding groove (41), a vertical rod (42), a sliding block (43), a spring (44) and a supporting plate (45), the sliding groove (41) is arranged on the mounting plate (1) and is arranged below the movable groove (31), the sliding block (43) is movably arranged in the sliding groove (41), the vertical rod (42) is vertically fixed in the sliding groove (41) and penetrates through the sliding block (43), one end of the spring (44) is fixedly connected to the sliding block (43), the other end of the spring (44) is fixedly connected to the sliding groove (41), the spring (44) is sleeved on the vertical rod (42), and the supporting plate (45) is fixedly mounted on the sliding block (43).

4. The measuring instrument for measuring the inner diameter of the circular hole as claimed in claim 1, wherein a pointer (6) is fixedly mounted on the movable plate (34), and one end of the pointer (6) is arranged on the graduated scale (5).