CN218238648U - A bolt hole thickness measuring device - Google Patents

Abstract

The utility model discloses a bolt hole thickness measuring device, which relates to the technical field of measuring tools; and the utility model comprises a measuring ruler, one side of the measuring ruler is provided with a chute, and a moving plate is provided for sliding in the chute, and the upper part of the moving plate is The surface is connected with a measuring component, and the outer surface of the measuring ruler is connected with a protective component. The measuring component includes a cylinder and a connecting block. The cylinder is fixedly connected to the upper surface of the moving plate. Bolt holes are measured by holding the measuring stick against the wall, by moving the measuring rod so that it is inserted into the inside of the bolt hole, and by pressing another square plate against the wall, in line with the measuring rod and measuring ruler The thickness of the connection block can be observed conveniently and intuitively. The block can be pressed into the inside of the circular groove to separate it from the hole, so that the measuring rod on the connecting block can be removed, and different measuring rods can be replaced, which is convenient for measuring different thicknesses. Threaded holes are detected to improve its practicability.

Description

A bolt hole thickness measuring device

technical field

The utility model relates to the technical field of measuring tools, in particular to a bolt hole thickness measuring device.

Background technique

Bolts are one of the main connection methods, and their assembly quality directly affects the reliability of the connection. The thickness of the bolt hole needs to be measured before connecting

There are also problems in existing devices in use:

Some measurement methods now use a thin rod to extend into the threaded hole until it touches the bottom of the thread, then pinch the junction of the thin rod at the entrance of the threaded hole with your hands, pull the thin rod out of the threaded hole, and then use the The scale measures the length of the thin rod extending into the threaded hole. In the process of pulling out, the finger may move, and the value cannot be observed accurately and intuitively. In view of the above problems, the inventor proposes a method for measuring the thickness of the bolt hole. The device is used to solve the above-mentioned problems.

Utility model content

In order to solve the problem that the finger may move during the measurement process, the value cannot be accurately observed, and the problem cannot be observed intuitively; the purpose of the utility model is to provide a bolt hole thickness measurement device.

In order to solve the above technical problems, the utility model adopts the following technical scheme: a bolt hole thickness measuring device, including a measuring ruler, a chute is provided on one side of the measuring ruler, a moving plate is provided for sliding in the chute, and the upper surface of the moving plate A measuring component is connected, and the outer surface of the measuring ruler is connected with a protective component;

The measuring assembly includes a cylinder and a connecting block. The cylinder is fixedly connected to the upper surface of the moving plate. The outer surface of the cylinder is provided with a clamping hole. The connecting block can be movably inserted on the inner surface of the cylinder. The cross-sectional shape of the connecting block is " T" shape, the outer surface of the connecting block is provided with circular grooves, three circular grooves are opened, and the circular array of circular grooves is distributed on the outer surface of the connecting block, the inner surface of the circular groove is fixed with the first spring, one end of the first spring A clamping block is fixedly provided, and the clamping block can be movably inserted in the clamping hole, and a measuring rod is fixedly provided on one side of the connecting block.

Preferably, the protective assembly includes a transparent protective plate and a hollow block, the transparent protective plate is movably attached to the outer surface of the measuring ruler, one side of the transparent protective plate is fixed with an insert, the lower surface of the insert is provided with a socket, and the hollow block It is fixedly connected to the lower surface of the measuring ruler, and the inserting block is movably attached to the inner surface of the hollow block. The lower surface of the hollow block is fixed with a rectangular plate, and a movable rod is movably inserted on the rectangular plate, and the movable rod runs through the hollow block. The rod can be movably inserted in the jack, the outer surface of the movable rod is covered with a connecting plate, the connecting plate and the inner surface of the rectangular plate are slidably fitted, and a second spring is fixed between the connecting plate and the inner surface of the rectangular plate. There are four second springs, and the second spring array is distributed between the rectangular plate and the connecting plate.

Compared with the prior art, the utility model has the beneficial effects of:

1. The utility model can push the measuring ruler against the wall, move the measuring rod to insert it into the bolt hole, and press another square plate on the wall to align with the measuring rod and the measuring ruler. , so as to measure the thickness of the bolt hole, which is convenient and intuitive to observe. The block can be pressed into the inside of the circular groove to separate it from the hole, so that the measuring rod on the connecting block can be removed and different measuring rods can be replaced. , to facilitate detection of threaded holes of different thicknesses and improve its practicability;

2. In the utility model, the end of the movable rod can be separated from the inside of the hollow block by pulling the movable rod, and by inserting the insert block on one side of the transparent protective plate into the inner surface of the hollow block, the force of the second spring can make the movable rod The end is inserted into the socket, and the transparent protective plate is connected to the outer surface of the measuring ruler. The transparent protective plate can prevent the scale on the measuring ruler from being blurred due to long-term use and wear, which is not easy to observe. When the clear shield becomes worn, it can be removed for replacement.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a structural schematic diagram of the measuring assembly of the utility model.

Fig. 3 is a structural schematic diagram of the transparent protective plate of the present invention.

Fig. 4 is a schematic diagram of the enlarged structure at A in Fig. 3 of the present utility model.

In the figure: 1, measuring ruler; 2, moving plate; 21, chute; 3, measuring component; 31, cylinder; 32, card hole; 33, connecting block; 35, circular groove; 36, first spring; 37 , clamping block; 38, measuring rod; 4, protective assembly; 41, transparent protective plate; 42, inserting block; 421, jack; 43, hollow block; 44, rectangular plate; 45, movable rod; 46, second spring ; 47, connecting plate.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Embodiment 1: As shown in Figure 1-4, the utility model provides a bolt hole thickness measuring device, including a measuring ruler 1, a chute 21 is opened on one side of the measuring ruler 1, and a sliding groove 21 is provided for sliding in the chute 21. plate 2, the upper surface of the moving plate 2 is connected with a measuring component 3, and the outer surface of the measuring ruler 1 is connected with a protective component 4;

The measuring assembly 3 includes a cylinder 31 and a connecting block 33. The cylinder 31 is fixedly connected to the upper surface of the moving plate 2. The outer surface of the cylinder 31 is provided with a clamping hole 32. The connecting block 33 can be movably inserted in the cylinder 31. On the surface, the outer surface of the connection block 33 is provided with a circular groove 35, and the inner surface of the circular groove 35 is fixedly provided with a first spring 36, and one end of the first spring 36 is fixedly provided with a block 37, and the block 37 can be movably inserted in the card. In the hole 32, one side of the connection block 33 is fixedly provided with a measuring rod 38, which can be inserted into the bolt hole by moving the measuring rod 1 against the wall, and then by using another square plate Press it on the wall, and align it with the measuring rod 38 and the measuring ruler 1, so as to measure the thickness of the bolt hole, which is convenient and intuitive to observe. The clamping block 37 can be pressed into the inside of the circular groove 35, so that it is aligned with the clamping hole 32. The measuring rod 38 on the connecting block 33 can be removed, and different measuring rods 38 can be replaced, which is convenient for detecting threaded holes with different thicknesses and improving its practicability.

There are three circular grooves 35 , and the circular arrays of the circular grooves 35 are distributed on the outer surface of the connecting block 33 .

By adopting the above technical solution, the connection is more stable.

The cross-sectional shape of the connection block 33 is "T" shape.

By adopting the above-mentioned technical solution, the connection is facilitated.

There are four second springs 46 , and the array of second springs 46 is distributed between the rectangular plate 44 and the connecting plate 47 .

By adopting the above technical solution, it is convenient to insert the movable rod 45 into the insertion hole 421 .

The cross-sectional shape of the rectangular plate 44 is "concave".

By adopting the above-mentioned technical solution, the movement of the connecting plate 47 is facilitated.

Embodiment 2: As shown in Figure 3, the protective assembly 4 includes a transparent protective plate 41 and a hollow block 43, the transparent protective plate 41 is movably attached to the outer surface of the measuring ruler 1, and one side of the transparent protective plate 41 is fixedly provided with an insert 42, the lower surface of the insert block 42 is provided with a jack 421, the hollow block 43 is fixedly connected to the lower surface of the measuring ruler 1, the insert block 42 and the inner surface of the hollow block 43 are movably fitted, and the lower surface of the hollow block 43 is fixedly provided with Rectangular plate 44, the cross-sectional shape of rectangular plate 44 is " concave " shape, and rectangular plate 44 is movably inserted with movable rod 45, and movable rod 45 runs through hollow block 43 movablely, and movable rod 45 can be movably inserted in jack 421, The outer surface of movable rod 45 is provided with connecting plate 47, and connecting plate 47 and the inner surface of rectangular plate 44 slide fit, and between connecting plate 47 and the inner surface of rectangular plate 44, be fixedly provided with second spring 46, can move by pulling The end of the rod 45 is disengaged from the inside of the hollow block 43, and the plug 42 on one side of the transparent protective plate 41 is inserted into the inner surface of the hollow block 43, and the end of the movable rod 45 is moved by the force of the second spring 46. Insert it into the socket 421, and connect the transparent protective plate 41 on the outer surface of the measuring ruler 1. Through the transparent protective plate 41, the scale on the measuring ruler 1 can be prevented from being blurred due to wear and tear due to long-term use, which is not easy to carry out. Observe that after the transparent protective plate 41 wears out, it can be disassembled for replacement.

Working principle: when the utility model is in use, the measuring ruler 1 can be pressed against the wall, and the measuring rod 38 can be moved to insert it into the bolt hole, and another square plate can be pressed against the wall, so as to be connected with the wall. The measuring rod 38 is aligned with the measuring ruler 1, so as to measure the thickness of the bolt hole, which is convenient and intuitive to observe. The clamping block 37 can be pressed into the inside of the circular groove 35 to separate it from the clamping hole 32, thereby removing the connection The measuring rod 38 on the block 33 can be replaced with different measuring rods 38, which is convenient for detecting threaded holes of different thicknesses and improving its practicality. The plug 42 on one side of the transparent protective plate 41 is inserted into the inner surface of the hollow block 43, and by the force of the second spring 46, the end of the movable rod 45 is inserted into the jack 421, and the transparent protective plate 41 is connected to the measurement The outer surface of the ruler 1 can prevent the scale on the measuring ruler 1 from being worn out due to long-term use through the transparent protective plate 41, which makes the scale blurred and inconvenient for observation. After the transparent protective plate 41 is worn, it can be disassembled Come down for a replacement.

Obviously, those skilled in the art can make various changes and modifications to the utility model without departing from the spirit and scope of the utility model. In this way, if these modifications and variations of the utility model fall within the scope of the claims of the utility model and equivalent technologies thereof, the utility model is also intended to include these modifications and variations.

Claims (6)

1. The utility model provides a bolt hole thickness measurement device, includes dipperstick (1), its characterized in that: a sliding groove (21) is formed in one side of the measuring scale (1), a moving plate (2) is arranged in the sliding groove (21) in a sliding mode, the upper surface of the moving plate (2) is connected with a measuring component (3), and the outer side surface of the measuring scale (1) is connected with a protective component (4);

measuring component (3) include drum (31) and connecting block (33), drum (31) fixed connection is at the upper surface of movable plate (2), card hole (32) have been seted up on the outside surface of drum (31), connecting block (33) can movably be inserted and establish the internal surface at drum (31), circular slot (35) have been seted up on the outside surface of connecting block (33), the internal surface fixation of circular slot (35) is equipped with first spring (36), the fixed fixture block (37) that is equipped with of one end of first spring (36), fixture block (37) can movably be inserted and establish in card hole (32), one side of connecting block (33) is fixed and is equipped with measuring stick (38).

2. The bolt hole thickness measuring device of claim 1, characterized in that the protection assembly (4) comprises a transparent protection plate (41) and a hollow block (43), the transparent protection plate (41) is movably attached to the outer side surface of the measuring scale (1), an insertion block (42) is fixedly arranged on one side of the transparent protection plate (41), a jack (421) is formed in the lower surface of the insertion block (42), the hollow block (43) is fixedly connected to the lower surface of the measuring scale (1), the insertion block (42) is movably attached to the inner surface of the hollow block (43), a rectangular plate (44) is fixedly arranged on the lower surface of the hollow block (43), a movable rod (45) is movably inserted into the rectangular plate (44), the movable rod (45) movably penetrates through the hollow block (43), the movable rod (45) is movably inserted into the jack (421), a connecting plate (47) is sleeved on the outer side surface of the movable rod (45), the connecting plate (47) is slidably attached to the inner surface of the rectangular plate (44), and a second spring (46) is fixedly arranged between the connecting plate (47) and the inner surface of the rectangular plate (44).

3. The bolt hole thickness measuring device according to claim 1, wherein the circular grooves (35) are opened in three numbers, and the circular grooves (35) are distributed on the outer side surface of the connecting block (33) in an annular array.

4. A bolt hole thickness measuring device according to claim 1, wherein the cross-sectional shape of the connecting piece (33) is "T" shaped.

5. A bolt hole thickness measuring device according to claim 2, characterised in that there are four second springs (46) and that the array of second springs (46) is distributed between the rectangular plate (44) and the connecting plate (47).

6. A bolt hole thickness measuring device according to claim 2, characterised in that the cross-sectional shape of the rectangular plate (44) is "concave".

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