Measuring range adjustable measuring tool for measurement and detection

Abstract

The utility model discloses a measuring range adjustable measuring tool for measurement and detection, which relates to the technical field of measurement and detection and comprises a rectangular plate, a U-shaped plate is sleeved on the rectangular plate, a sliding groove is arranged in the rectangular plate, and a sliding plate slides in the sliding groove. And the limiting mechanism is located on the sliding plate and used for limiting the sliding plate and the rectangular plate. The measuring range of the rectangular plate is increased by arranging the sliding plate capable of sliding in the rectangular plate, an object with a longer length can be measured conveniently, and meanwhile the stability of the U-shaped plate in the moving process can be guaranteed by driving the sliding block to slide in the rectangular groove and the rectangular opening through the U-shaped plate; and the sliding plate and the rectangular plate can be quickly limited by arranging the limiting mechanism, so that measurement failure caused by mutual displacement of the rectangular plate and the sliding plate during measurement is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of measurement and detection, and specifically relates to a range adjustable gauge for measurement and detection. BACKGROUND

[0002] A measuring instrument refers to a device, instrument, gauge and standard substance for unifying quantity value, which can be used to directly or indirectly measure the quantity value of a measured object. Measuring instruments are widely used in production, scientific research and people's life, and play a very important role in the entire measurement legislation. Because the unification of quantity value in the country is first reflected in the accuracy and consistency of measuring instruments, measuring instruments are not only the main object of supervision and management, but also the technical basis for measurement departments to provide measurement guarantee, and the vernier caliper is also a measuring instrument.

[0003] The vernier caliper with patent No. CN206311017U is provided with a main ruler body, an insulating main body, a vernier, a vernier roller, a pair of outer measuring claws, a pair of inner measuring claws, a plurality of measuring claw insulation sleeves, fixing bolts, a depth gauge recess, a depth measuring ruler, a pair of sliding connection protrusions, an extension sliding groove and an extension outer measuring claw. The insulating main body wraps the main ruler body, the vernier is sleeved on the main ruler body, the vernier roller is installed on the vernier, the outer measuring claw, the inner measuring claw and the fixing bolt are arranged on the main ruler body and the vernier, the measuring claw insulation sleeve is sleeved on the outer measuring claw and the inner measuring claw, the depth gauge recess is arranged on the main ruler body, the depth measuring ruler is arranged in the depth gauge recess through the sliding connection protrusion, and the extension outer measuring claw is arranged on the outer measuring claw through the extension sliding groove.

[0004] However, research shows that the existing vernier caliper still has the following defects:

[0005] The existing vernier caliper has a fixed size, and when measuring a long object, a larger size vernier caliper needs to be replaced for measurement, which is troublesome, and different size vernier calipers need to be prepared. Therefore, technical innovation and design optimization are needed to optimize a range adjustable gauge for measurement and detection. INVENTION CONTENTS

[0006] The existing vernier caliper is fixed in size, when measuring a long object, a vernier caliper with a larger size needs to be replaced, which is troublesome, and different sizes of vernier calipers need to be prepared, in order to solve the above problems, the embodiment of the application provides a range adjustable gauge for measurement and detection, the range of the rectangular plate is increased by arranging the sliding plate which can slide in the rectangular plate, the object with longer length is measured, the stability of the U-shaped plate during movement is ensured by the U-shaped plate which can drive the sliding block to slide in the rectangular groove and the rectangular port, and the sliding plate and the rectangular plate are quickly limited by the limiting mechanism, so that the mutual displacement of the rectangular plate and the sliding plate during measurement is avoided, and measurement failure is avoided.

[0007] The technical scheme adopted by the embodiment of the application to solve the technical problems is:

[0008] A range adjustable gauge for measurement and detection, comprising:

[0009] A rectangular plate, the U-shaped plate is sleeved on the rectangular plate, a sliding groove is arranged in the rectangular plate, and a sliding plate slides in the sliding groove;

[0010] A limiting mechanism is arranged on the sliding plate and used for limiting the sliding plate and the rectangular plate.

[0011] In a possible implementation, the upper primary tooth is fixed at the top of one end of the rectangular plate, and the lower primary tooth is fixed at the bottom of the rectangular plate, the upper secondary tooth is fixed at the top of one end of the U-shaped plate, and the lower secondary tooth is fixed at the bottom of the U-shaped plate, the rectangular plate, the U-shaped plate and the sliding plate are provided with scales on the same side, the rectangular port is arranged on the back of the rectangular plate, the rectangular groove is arranged on the sliding plate, the rectangular block is fixed on the U-shaped plate, the rectangular port and the rectangular groove are aligned with each other, the rectangular block can slide in the rectangular port and the rectangular groove, the connecting plate is fixed at the end of the sliding plate away from the upper primary tooth, the connecting block is pulled, the sliding plate can slide in the rectangular plate, the range of the whole is increased or decreased, the size or the inner diameter of the object is measured by the U-shaped plate which drives the rectangular block to slide in the rectangular port or the rectangular groove, and the measurement method is consistent with the measurement method of the vernier caliper.

[0012] In a possible implementation, the connecting plate is fixed with a depth gauge on the side away from the rectangular plate, and the depth gauge is provided with scales, so as to measure the depth of the object.

[0013] In a possible implementation, the limiting mechanism comprises a through hole formed on the rectangular plate, a first limiting hole formed on the top of the sliding plate close to one end of the upper main tooth, a second limiting hole formed on the end of the sliding plate away from the first limiting hole, a spring arranged in the first limiting hole and the second limiting hole, a limiting block arranged on the top of the spring, the limiting block being capable of being inserted into the through hole, a pressing block slidably connected to the through hole through a sliding groove, one end of the spring being fixedly connected with the limiting block, and the other end of the spring being fixedly connected with the inner wall of the limiting hole; the spring is in a compressed state, the limiting block enters the through hole under the action of the spring, the sliding plate and the rectangular plate are limited, the pressing block pushes the limiting block out of the through hole by being pressed, and the sliding plate can continue to slide in the sliding groove.

[0014] In summary, the utility model has at least one of the following beneficial technical effects:

[0015] 1. The sliding plate can slide in the rectangular plate to increase the range of the rectangular plate, facilitate the measurement of the object with longer length, and ensure the stability of the U-shaped plate during movement by sliding the sliding block in the rectangular groove and the rectangular opening.

[0016] 2. The limiting mechanism can quickly limit the sliding plate and the rectangular plate, and prevent the displacement of the rectangular plate and the sliding plate during measurement. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the back structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the back structure of the sliding plate of the utility model;

[0020] Figure 4 It is a schematic diagram of the side cross-section structure of the sliding plate of the utility model;

[0021] Figure 5 It is a schematic diagram of the back structure of the rectangular plate of the utility model.

[0022] Reference signs: 1, lower secondary tooth; 2, lower main tooth; 3, upper main tooth; 4, upper secondary tooth; 5, U-shaped plate; 6, rectangular plate; 7, connecting plate; 8, depth ruler; 9, rectangular groove; 10, rectangular opening; 11, rectangular block; 12, limiting block; 13, second limiting hole; 14, first limiting hole; 15, spring; 16, pressing block; 17, through hole; 18, sliding groove; 19, sliding plate. DETAILED DESCRIPTION

[0023] The technical solutions in the utility model will be described clearly and completely below with reference to the drawings in the utility model, and additionally, the forms of the structures described in the following embodiments are only examples, and the instrument placing rack involved in the utility model is not limited to the structures described in the following embodiments, and all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] The embodiment introduces the specific structure of the range-adjustable measuring tool for measurement and detection, and specifically refers to Figures 1-5 The range-adjustable measuring tool for measurement and detection comprises:

[0025] A rectangular plate 6 is sleeved with a U-shaped plate 5, a sliding groove 18 is formed in the interior of the rectangular plate 6, and a sliding plate 19 is slidably arranged in the sliding groove 18.

[0026] A limiting mechanism is arranged on the sliding plate 19 and used for limiting the sliding plate 19 and the rectangular plate 6.

[0027] When the length of the object is long, the length of the general vernier caliper is limited, and it is inconvenient to measure the object, one end of the top of the rectangular plate 6 is fixed with an upper main tooth 3, and the bottom is fixed with a lower main tooth 2, one end of the top of the U-shaped plate 5 is fixed with an upper secondary tooth 4, and the bottom is fixed with a lower secondary tooth 1, the same side of the rectangular plate 6, the U-shaped plate 5 and the sliding plate 19 is provided with a scale, a rectangular port 10 is formed in the back of the rectangular plate 6, a rectangular groove 9 is formed in the sliding plate 19, a rectangular block 11 is fixed on the U-shaped plate 5, the rectangular port 10 and the rectangular groove 9 are aligned with each other, the rectangular block 11 can slide in the rectangular port 10 and the rectangular groove 9, and one end of the sliding plate 19 away from the upper main tooth 3 is fixed with a connecting plate 7, the connecting block is pulled, the sliding plate 19 is driven to slide in the interior of the rectangular plate 6, the range of the whole is conveniently increased or decreased, the size or the inner diameter of the object is measured by driving the rectangular block 11 to slide in the rectangular port 10 or the rectangular groove 9 by the U-shaped plate 5, and the measurement method is consistent with the measurement method of the vernier caliper.

[0028] In addition, the connecting plate 7 is fixed with a depth ruler 8 away from one side of the rectangular plate 6, the depth ruler 8 is provided with a scale, and the depth of the object is conveniently measured.

[0029] When the rectangular plate 6 and the sliding plate 19 need to be limited, the limiting mechanism comprises a through hole 17 formed on the rectangular plate 6, a first limiting hole 14 formed on the top of the sliding plate 19 near one end of the upper main tooth 3, a second limiting hole 13 formed on the end of the sliding plate 19 away from the first limiting hole 14, a spring 15 arranged in the first limiting hole 14 and the second limiting hole 13, a limiting block 12 arranged on the top of the spring 15, the limiting block 12 being capable of being inserted into the through hole 17, a pressing block 16 being slidably connected to the through hole 17 through a sliding groove, one end of the spring 15 being fixedly connected to the limiting block 12, the other end of the spring 15 being fixedly connected to the inner wall of the limiting hole, the spring 15 being in a compressed state, under the action of the spring 15, the limiting block 12 enters the through hole 17, thereby facilitating the limiting of the sliding plate 19 and the rectangular plate 6, by pressing the pressing block 16, the pressing block 16 pushes the limiting block 12 out of the through hole 17, at this time, the sliding plate 19 can continue to slide in the sliding groove 18.

[0030] When the staff needs to measure a longer object, at this time, the range of the vernier caliper needs to be increased, the pressing block 16 is pressed first, then the sliding plate 19 is pulled and moved through the connecting block, when the first limiting hole 14 is aligned with the pressing block 16, under the action of the spring 15, the limiting block 12 enters the through hole 17, thereby fixing the sliding plate 19 and the rectangular plate 6, at this time, the range reaches the maximum value, and the longer object can be measured, after use, reverse operation can reset the sliding plate 19.

[0031] Finally, it should be noted that: obviously, the above embodiments are only examples for clearly illustrating the present application, and are not limitations on the embodiments. For ordinary skilled persons in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to exhaust all the embodiments. The obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A range-adjustable measuring instrument for metrological testing, characterized in that, include: A rectangular plate (6) is fitted with a U-shaped plate (5), and a sliding groove (18) is provided inside the rectangular plate (6), and a sliding plate (19) slides in the sliding groove (18). A limiting mechanism is located on the sliding plate (19) and is used to limit the sliding plate (19) and the rectangular plate (6).

2. The adjustable measuring instrument for metrological testing as described in claim 1, characterized in that: The rectangular plate (6) has an upper main tooth (3) fixed at the top of one end and a lower main tooth (2) fixed at the bottom. The U-shaped plate (5) has an upper secondary tooth (4) fixed at the top of one end and a lower secondary tooth (1) fixed at the bottom.

3. The adjustable measuring instrument for metrological testing as described in claim 1, characterized in that: The rectangular plate (6), the U-shaped plate (5), and the sliding plate (19) are all provided with scales on the same side.

4. The adjustable measuring instrument for metrological testing as described in claim 1, characterized in that: The rectangular plate (6) has a rectangular opening (10) on its back, the sliding plate (19) has a rectangular groove (9), and the U-shaped plate (5) has a rectangular block (11) fixed on it.

5. The adjustable measuring instrument for metrological testing as described in claim 4, characterized in that: The rectangular opening (10) and the rectangular groove (9) are aligned with each other, and the rectangular block (11) can slide within the rectangular opening (10) and the rectangular groove (9).

6. The adjustable measuring instrument for metrological testing as described in claim 1, characterized in that: A connecting plate (7) is fixed to one end of the sliding plate (19) away from the upper main tooth (3). A depth gauge (8) is fixed to the side of the connecting plate (7) away from the rectangular plate (6). The depth gauge (8) is provided with a scale.

7. The adjustable measuring instrument for metrological testing as described in claim 1, characterized in that: The limiting mechanism includes a through hole (17) on a rectangular plate (6), a first limiting hole (14) is provided at the top of the sliding plate (19) near the upper main tooth (3), and a second limiting hole (13) is provided at the end of the sliding plate (19) away from the first limiting hole (14). A spring (15) is provided inside both the first limiting hole (14) and the second limiting hole (13). A limiting block (12) is provided on the top of the spring (15), and the limiting block (12) can be inserted into the through hole (17).

8. The adjustable measuring instrument for metrological testing as described in claim 7, characterized in that: The through hole (17) is slidably connected to a push block (16) via a groove.

9. A range-adjustable measuring instrument for metrological testing as described in claim 8, characterized in that: One end of the spring (15) is fixedly connected to the limiting block (12), and the other end of the spring (15) is fixedly connected to the inner wall of the first limiting hole (14) or the second limiting hole (13).

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