CN215373854U - Crack width gauge - Google Patents

Abstract

The utility model provides a crack width gauge, which relates to the technical field of detecting instruments and comprises a width gauge body, a camera measuring probe, a fixing assembly, a telescopic assembly and an angle adjusting assembly, wherein the fixing assembly is used for adjusting the extending length of the fixing assembly; when the device is used, the telescopic rod can be adjusted to a proper length to detect the width of the crack according to the crack positions in different environments, and meanwhile, the included angle between the microscopic detection probe and the telescopic rod can be adjusted to enable one end of the microscopic detection probe to be completely attached to a wall surface, so that the device is simple and convenient to use, the microscopic detection probe can be conveniently taken down from or installed on the fixing component, and the use mode can be selected according to different conditions.

Description

Crack width gauge

Technical Field

The utility model relates to the technical field of detecting instruments, in particular to a crack width measuring instrument.

Background

The crack width measuring instrument is a special instrument for detecting crack width and surface micro-defects in a concrete structure. When the crack width gauge is used, the display screen and the microscopic detection probe are connected through a cable or wifi, a power switch is turned on, two support legs of the microscopic detection probe are placed on a crack, an amplified crack image can be seen on the display screen, a camera on the microscopic detection probe is slightly rotated, the crack image is perpendicular to the graduated scale, and a crack width value is read according to the length of a graduated line occupied by the crack image.

A crack width measuring instrument is disclosed in a Chinese patent with an authorization publication number of CN212931329U, and relates to the technical field of detecting instruments. The crack width gauge comprises a width gauge body, a microscopic detection probe, a telescopic rod and a connecting assembly arranged at the end part of the telescopic rod; the connecting assembly comprises a bearing plate, a clamping seat arranged on the bearing plate and a spring piece arranged on the clamping seat; one side of the bearing plate is fixedly connected with the end part of the telescopic rod, the interior of the clamping seat is of a hollow structure, the clamping seat is provided with an insertion hole, and one side of the insertion hole is connected with a spring piece; the tail part of the microscopic detection probe is provided with a hook, and the hook is used for inserting the microscopic detection probe into the card seat insertion hole. According to the utility model, by arranging the telescopic rod, the telescopic rod can be adjusted to a proper length to detect the width of the crack according to the crack positions of different environments, so that the detection is simple and convenient; through the cooperation of cassette and spring leaf, make things convenient for micro-detection probe and telescopic link to be connected, convenient to use has improved detection efficiency.

However, above-mentioned technical scheme still has following defect, though can be according to the crack position of different environment, adjust suitable length with the telescopic link and carry out crack width detection, because the contained angle between micro-detection probe and the telescopic link can not adjust according to actual conditions, therefore the wall laminating that micro-detection probe is inconvenient and crack place when detecting leads to using inconveniently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a crack width gauge, and aims to solve the problem that an included angle between a microscopic detection probe and a telescopic rod in the prior art cannot be adjusted according to actual conditions, so that the use is inconvenient.

In order to achieve the purpose, the utility model adopts the following technical scheme: the crack width gauge comprises a width gauge body, a camera shooting measuring probe, a fixed assembly used for fixing the camera shooting measuring probe, a telescopic assembly used for adjusting the extension length of the fixed assembly and an angle adjusting assembly used for adjusting the included angle between the fixed assembly and the telescopic assembly.

In order to enable the camera measuring probe to have the function of fixing the camera measuring probe, the further technical scheme of the utility model is that the fixing assembly comprises a circular ring used for fixing the front end of the camera measuring probe, fixing claws used for fixing the rear end of the camera measuring probe are hinged to two sides of the circular ring, and a first elastic resetting piece is connected between the fixing claws and the circular ring.

According to a further technical scheme, the first elastic resetting piece is a spring piece.

According to a further technical scheme, the telescopic assembly is a telescopic rod formed by sequentially sleeving at least two hollow rods.

In order to enable the telescopic component to have the function of adjusting the included angle between the fixing component and the telescopic component, the further technical scheme is that the angle adjusting component comprises two mounting rings fixedly connected with the fixing component through a connecting plate, a rotating seat is rotatably connected between the two mounting rings, the bottom end of the rotating seat is fixedly connected with one end of the telescopic component, and a limiting component used for limiting the relative position between the mounting rings and the rotating seat is installed on the mounting rings and the rotating seat.

In order to enable the rotary seat to have the function of limiting the relative position between the mounting ring and the rotary seat, the further technical scheme of the rotary seat is that the limiting assembly comprises a button arranged in an inner hole of one of the mounting rings, one end of the button is connected with the rotary seat through a second elastic reset piece, clamping grooves are uniformly formed in the inner hole of the mounting ring along the circumference, clamping blocks capable of entering the clamping grooves are uniformly arranged on the side surface of the button along the circumference, and a guide structure for preventing the button from rotating relative to the rotary seat is arranged between the button and the rotary seat.

In order to enable the rotary seat to have the function of preventing the button from rotating relative to the rotary seat, the further technical scheme is that the guide structure comprises a rectangular hole formed in one end, close to the rotary seat, of the button, and a rectangular strip capable of sliding in the rectangular hole is fixedly connected to the rotary seat.

According to a further technical scheme, the second elastic reset piece is a spring.

The utility model has the beneficial effects that:

1. when the crack width detection device is used, the telescopic rod can be adjusted to the proper length to detect the crack width according to the crack positions of different environments, and meanwhile, the included angle between the microscopic detection probe and the telescopic rod can be adjusted to enable one end of the microscopic detection probe to be completely attached to a wall surface, so that the crack width detection device is simple and convenient to use.

2. When the utility model is used, the microscopic detection probe can be conveniently taken down from or installed on the fixed component, so that the use mode can be selected according to different conditions.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a cross-sectional view of a fixation assembly in an embodiment of the utility model.

Fig. 3 is a schematic diagram of a button structure in an embodiment of the present invention.

Fig. 4 is a schematic view of the construction of a mounting ring in an embodiment of the utility model.

In the figure: 1. a camera measuring probe; 2. a fixing assembly; 3. a telescoping assembly; 4. an angle adjustment assembly; 21. a circular ring; 22. a fixed jaw; 23. a first elastic reset member; 41. a mounting ring; 42. a rotating base; 43. a limiting component; 431. a button; 432. a second elastic reset piece; 433. a card slot; 434. a clamping block; 435. and a guide structure.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1-4, a crack width gauge comprises a width gauge body, a camera measuring probe 1, a fixing component 2 for fixing the camera measuring probe 1, a telescopic component 3 for adjusting the extending length of the fixing component 2, and an angle adjusting component 4 for adjusting the included angle between the fixing component 2 and the telescopic component 3.

In this embodiment, according to the crack position of different environment, fix the measuring probe 1 of making a video recording on fixed subassembly 2 earlier, then adjust suitable length through flexible subassembly 3 and carry out crack width detection, can also adjust the contained angle between measuring probe 1 of making a video recording and the flexible subassembly 3 through angle adjusting part 4 simultaneously and make the one end of microscopic examination probe can paste the wall completely, therefore convenience simple to use.

Specifically, fixed subassembly 2 is including the ring 21 that is used for fixed measurement probe 1 front end of making a video recording, the both sides of ring 21 all articulate the stationary dog 22 that is used for fixed measurement probe 1 rear end of making a video recording, be connected with first elasticity piece 23 that resets between stationary dog 22 and the ring 21, open stationary dog 22 and put into ring 21 or take out from ring 21 with measurement probe 1 of making a video recording, consequently can conveniently take off measurement probe 1 from fixed subassembly 2 or install and go, can select the use mode according to the condition of difference.

Preferably, the first elastic restoring member 23 is a spring plate.

Specifically, the telescopic component 3 is a telescopic rod formed by sequentially sleeving at least two hollow rods.

Specifically, angle adjusting element 4 includes two collar 41 through connecting plate and fixed subassembly 2 fixed connection, rotates between two collar 41 and is connected with roating seat 42, the bottom of roating seat 42 and the one end fixed connection of flexible subassembly 3, collar 41 and roating seat 42 install the spacing subassembly 43 that is used for restricting relative position between collar 41 and the roating seat 42, adjust contained angle between fixed subassembly 2 and the flexible subassembly 3 through making collar 41 rotate for roating seat 42.

Specifically, the limiting assembly 43 comprises a button 431 arranged in an inner hole of one of the mounting rings 41, one end of the button 431 is connected with the rotating base 42 through a second elastic reset piece 432, clamping grooves 433 are uniformly arranged on the circumference of the inner hole of the mounting ring 41, clamping blocks 434 capable of entering the clamping grooves 433 are uniformly arranged on the circumference of the side surface of the button 431, a guide structure 435 for preventing the button 431 from rotating relative to the rotating base 42 is arranged between the button 431 and the rotating base 42, the button 431 is pressed inwards to enable the clamping blocks 434 on the button 431 to be separated from the clamping grooves 433 in the inner hole of the mounting ring 41, then the mounting ring 41 can rotate relative to the rotating base 42, and after the rotation is finished, the button 431 is loosened to enable the clamping blocks 434 to enter the clamping grooves 433, so that the relative position between the mounting ring 41 and the rotating base 42 is limited to avoid relative rotation.

Specifically, the guiding structure 435 includes a rectangular hole formed at one end of the button 431 close to the rotary seat 42, and a rectangular bar capable of sliding in the rectangular hole is fixedly connected to the rotary seat 42.

Preferably, the second elastic restoring member 432 is a spring.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. The utility model provides a crack width gauge, includes the width gauge body, its characterized in that still includes measurement probe (1) and is used for fixed subassembly (2) of fixed measurement probe (1) of making a video recording, still includes flexible subassembly (3) that are used for adjusting fixed subassembly (2) extension length and is used for adjusting angle adjusting part (4) of contained angle between fixed subassembly (2) and flexible subassembly (3).

2. The crack width gauge according to claim 1, characterized in that the fixing component (2) comprises a circular ring (21) for fixing the front end of the camera measuring probe (1), both sides of the circular ring (21) are hinged with fixing claws (22) for fixing the rear end of the camera measuring probe (1), and a first elastic resetting piece (23) is connected between the fixing claws (22) and the circular ring (21).

3. Crack width gauge according to claim 2, characterized in that the first elastic return member (23) is a spring plate.

4. Crack width gauge according to claim 1, characterized in that the telescopic assembly (3) is a telescopic rod formed by at least two hollow rods sleeved in sequence.

5. Crack width gauge according to any of claims 1-4, characterized in that the angle adjustment assembly (4) comprises two mounting rings (41) fixedly connected with the fixed assembly (2) through a connecting plate, a rotating base (42) is rotatably connected between the two mounting rings (41), the bottom end of the rotating base (42) is fixedly connected with one end of the telescopic assembly (3), and a limiting assembly (43) for limiting the relative position between the mounting rings (41) and the rotating base (42) is installed on the mounting rings (41) and the rotating base (42).

6. The crack width gauge according to claim 5, characterized in that the limiting component (43) comprises a button (431) arranged in an inner hole of one of the mounting rings (41), one end of the button (431) is connected with the rotary base (42) through a second elastic reset piece (432), clamping grooves (433) are uniformly arranged on the circumference in the inner hole of the mounting ring (41), clamping blocks (434) capable of entering the clamping grooves (433) are uniformly arranged on the circumference on the side surface of the button (431), and a guide structure (435) for preventing the button (431) from rotating relative to the rotary base (42) is arranged between the button (431) and the rotary base (42).

7. Crack width gauge according to claim 6, characterized in that the guiding structure (435) comprises a rectangular hole provided at one end of the button (431) close to the swivel (42), and a rectangular bar slidable in the rectangular hole is fixedly connected to the swivel (42).

8. Crack width gauge according to claim 6, characterized in that the second elastic return member (432) is a spring.

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