Steel ruler calibration table convenient to observe

Abstract

The utility model discloses a steel ruler verification table convenient to observe, and relates to the technical field of ruler detection, the steel ruler verification table comprises a workbench, a high-precision ruler detachably arranged at the top of the workbench, and a to-be-detected ruler arranged at the top of the high-precision ruler, the scale of the to-be-detected ruler is aligned with the high-precision ruler, a guide rail is fixedly arranged at the top of the workbench, and a sliding seat is slidably arranged on the outer side of the guide rail; according to the invention, the sawtooth block can be inserted into the corresponding position of the sawtooth groove through the gravity of the counterweight pull plate and other parts, and the magnifying lens group and the guide rail after sliding are locked, so that when the position of the magnifying lens group is adjusted, the counterweight pull plate can be lifted and transversely pushed to drive the magnifying lens group to slide. When the ruler slides to a required position, the counterweight pull plate can be loosened to enable the sawtooth block to be automatically inserted into the sawtooth groove, so that the position adjustment of the magnifying lens group can be completed, more time and convenience are achieved, and the to-be-detected ruler can be pressed and fixed through the pressing rod after the counterweight pull plate moves downwards, so that the to-be-detected ruler is not easy to move during detection, and the detection accuracy is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of ruler detection, in particular to a steel ruler testing table convenient to observe. BACKGROUND

[0002] The steel ruler is a common measuring tool, usually made of metal material, used to measure physical quantities such as line segment length, width and depth. The steel ruler is usually used in the industries of drawing, painting and building. In order to ensure the correctness and accuracy of the steel ruler measurement, the precision of the steel ruler scale needs to be detected by using a steel ruler testing table and other equipment.

[0003] The patent with the publication number CN210664177U discloses a "metrological calibration steel ruler testing table, comprising a workbench, a guide rail fixed on the workbench and a base fixed on the bottom of the workbench at both ends, the upper surface of the workbench is fixed with a detection plane, the end outside of the second fixed block is provided with a spring, and the end of the support leg is screwed in the two groups of threaded holes in the base".

[0004] According to the related technology in the above, the inventor believes that when the position of the microscope is adjusted, the fixed bolt needs to be rotated for several turns to make the bottom pressing piece disengage from the guide rail, then the microscope is slid to the required position, and then the fixed bolt is reversely rotated for several turns to make the bottom pressing piece contact with the guide rail. However, the back-and-forth rotation of the fixed bolt for several turns is time-consuming and inconvenient when the position of the microscope is adjusted, and therefore needs to be improved. CONTENT OF THE UTILITY MODEL

[0005] In order to solve the above problems, the application provides a steel ruler testing table convenient to observe.

[0006] The steel ruler testing table convenient to observe provided by the application adopts the following technical scheme:

[0007] The utility model provides a steel ruler verification platform of convenient observation, including workbench, detachable high accuracy ruler of being established on the top of workbench, the top of high accuracy ruler and the scale of the ruler to be detected which is arranged on the top of high accuracy ruler and is aligned, the top of workbench is fixedly provided with guide rail, the outside of guide rail is slidably provided with sliding seat, the top of sliding seat is fixedly installed with magnifying glass group for observing the scale position of high accuracy ruler and the ruler to be detected, the top of guide rail is provided with sawtooth groove which is continuously distributed along the length direction of guide rail, locking mechanism is arranged between guide rail and sliding seat, locking mechanism includes square bar which is slidably arranged on the top of sliding seat, a plurality of sawtooth blocks which are fixedly arranged on the bottom of square bar and are inserted into sawtooth groove, the top of square bar is fixedly provided with counterweight pull plate, one side of square bar is fixedly provided with pressure rod for pressing the ruler to be detected.

[0008] By the gravity of the counterweight pull plate and other components, the sawtooth blocks can be inserted into the corresponding positions of the sawtooth groove, and the sliding magnifying glass group and the guide rail are locked, so that when adjusting the position of the magnifying glass group, the counterweight pull plate can be lifted and pushed horizontally to drive the magnifying glass group to slide, and when the magnifying glass group reaches the desired position, the counterweight pull plate can be released so that the sawtooth blocks are automatically inserted into the sawtooth groove, and the position adjustment of the magnifying glass group is completed, which is more time-saving and convenient.

[0009] Preferably, the side of the high-precision ruler away from the to-be-detected ruler is abutted with a baffle, the baffle is fixedly connected to the top of the workbench, the high-precision ruler is abutted with an elastic abutting seat and an adjustable seat respectively installed on the two sides of the top of the workbench at the two ends, the bottom end of the magnifying glass group extends to the outside of the sliding seat, and the magnifying glass group is located between the top of the high-precision ruler and the to-be-detected ruler.

[0010] By adopting the above technical scheme, the elastic abutting seat and the adjustable seat can lock the two ends of the high-precision ruler, then the to-be-detected ruler is pressed against the high-precision ruler, and then the sliding seat is slid, the position of the scale of the high-precision ruler and the to-be-detected ruler is observed through the magnifying glass group, and the precision of the to-be-detected ruler is evaluated.

[0011] Preferably, a limiting groove is formed in the sliding seat, a limiting plate is slidably arranged in the limiting groove of the sliding seat, the limiting plate is fixedly connected between the top of the sawtooth blocks and the bottom of the square bar, and the top end of the square bar extends to the outside of the sliding seat.

[0012] By adopting the above technical scheme, the sliding seat can connect and limit the limiting plate through the limiting groove, the limiting plate and other components can move up and down, and the limiting plate can connect the sawtooth blocks and the square bar, and the sawtooth blocks and other components are pressed down under the gravity of the counterweight pull plate.

[0013] Preferably, the bottom end of the pressure rod is fixedly provided with a non-slip rubber pad abutting against the top of the to-be-detected ruler.

[0014] By adopting the technical scheme, the weight pull plate can be lowered to press and fix the to-be-tested ruler through the pressing rod and the anti-skid rubber pad, so that the to-be-tested ruler is not easy to move during detection, and the detection accuracy is improved.

[0015] To sum up, the present application has at least one of the following beneficial technical effects:

[0016] 1. By the gravity of the weight pull plate and other components, the sawtooth block can be inserted into the corresponding position of the sawtooth groove to lock the magnifying glass group and the guide rail after sliding, so that when adjusting the position of the magnifying glass group, the weight pull plate can be lifted and pushed horizontally to drive the magnifying glass group to slide, and when the magnifying glass group is at the desired position, the weight pull plate can be released so that the sawtooth block automatically inserts into the sawtooth groove, thereby completing the position adjustment of the magnifying glass group, which is more time-saving and convenient. After the weight pull plate is lowered, the to-be-tested ruler can be pressed and fixed by the pressing rod, so that the to-be-tested ruler is not easy to move during detection, and the detection accuracy is improved.

[0017] 2. The elastic abutting seat and the adjustable seat can lock the two ends of the high-precision ruler, and then the to-be-tested ruler is pressed against the high-precision ruler, and then the sliding seat is slid to observe the position of the scales of the high-precision ruler and the to-be-tested ruler through the magnifying glass group, so as to evaluate the precision of the to-be-tested ruler. The anti-skid rubber pad can improve the anti-skid effect between the pressing rod and the to-be-tested ruler, so that the to-be-tested ruler is not easy to move during detection, and the operation is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic diagram of a steel ruler testing table convenient to observe according to an embodiment of the present application;

[0019] Figure 2 It is mainly embodied in the structure of Figure 1 A according to an embodiment of the present application;

[0020] Figure 3 It is mainly embodied in the structure of Figure 1 B according to an embodiment of the present application;

[0021] Figure 4 It is a schematic diagram of the internal structure of the guide rail, the sliding seat and the square rod according to an embodiment of the present application;

[0022] Mark: 1, workbench; 11, high-precision ruler; 12, to-be-tested ruler; 13, baffle; 14, elastic abutting seat; 15, adjustable seat; 2, guide rail; 21, sliding seat; 22, magnifying glass group; 23, sawtooth groove; 24, limiting groove; 3, square rod; 31, limiting plate; 32, sawtooth block; 33, weight pull plate; 34, pressing rod; 35, anti-skid rubber pad. DETAILED DESCRIPTION

[0023] The application will be further described below in conjunction with the accompanying drawings. Figures 1-4 The application is further described in detail.

[0024] The application discloses a steel ruler testing table convenient for observation.

[0025] The application discloses a steel ruler testing table convenient for observation. Figures 1-3 , comprising a workbench 1, a high-precision ruler 11 and a to-be-tested ruler 12, the workbench 1 can bear the high-precision ruler 11 and the like, the high-precision ruler 11 is detachably arranged on the top of the workbench 1, a baffle 13 is arranged on the side, away from the to-be-tested ruler 12, of the high-precision ruler 11, the baffle 13 is fixedly connected to the top of the workbench 1, and the baffle 13 can limit the high-precision ruler 11, so that the high-precision ruler 11 can be placed flat.

[0026] Referring to Figure 1 and Figure 3 , the high-precision ruler 11 is in abutment with an elastic abutment seat 14 and an adjustable seat 15 respectively arranged on the two sides of the top of the workbench 1, the elastic abutment seat 14 can abut against one end of the high-precision ruler 11 through the elastic force of the internal spring and the like, and the adjustable seat 15 can abut against the other end of the high-precision ruler 11 by adjusting the position through the rotation of the internal threaded rod, so that the two ends of the high-precision ruler 11 are clamped and fixed, wherein the elastic abutment seat 14 and the adjustable seat 15 are common structures in the existing steel ruler testing table, and the internal specific structure and principle have been disclosed, and thus will not be described here.

[0027] Referring to Figure 1 and Figure 3 , the to-be-tested ruler 12 is arranged on the top of the high-precision ruler 11 and is aligned with the high-precision ruler 11 in terms of scale, the reference line of the to-be-tested ruler 12 can be aligned with the reference line of the high-precision ruler 11, whether there is a position deviation between the to-be-tested ruler 12 and the high-precision ruler 11 after alignment is observed, and whether the scale precision of the to-be-tested ruler 12 meets the requirement is judged.

[0028] Referring to Figures 1-3 , the workbench 1 is fixedly provided with a guide rail 2 on the top, a sliding seat 21 is slidably arranged outside the guide rail 2, a magnifying glass set 22 for observing the scale positions of the high-precision ruler 11 and the to-be-tested ruler 12 is fixedly installed on the top of the sliding seat 21, the guide rail 2 can support and limit the sliding seat 21, the sliding seat 21 can slide horizontally on the guide rail 2, the sliding seat 21 can connect the guide rail 2 and the magnifying glass set 22, and the magnifying glass set 22 can magnify the scales of the high-precision ruler 11 and the to-be-tested ruler 12, so that the staff can conveniently observe.

[0029] Referring to Figures 1-3The bottom end of the magnifying lens set 22 penetrates and extends to the outside of the sliding seat 21, the magnifying lens set 22 is located between the top of the high-precision ruler 11 and the to-be-detected ruler 12, and the staff can observe the scale position of the high-precision ruler 11 and the to-be-detected ruler 12 through the magnifying lens set 22.

[0030] Referring to Figure 1 , Figure 3 and Figure 4 , the top of the guide rail 2 is provided with sawtooth grooves 23 which are continuously distributed along the length direction of the guide rail 2, and the guide rail 2 is provided with a locking mechanism and the sliding seat 21, the locking mechanism comprises a square rod 3 which is slidingly arranged at the top of the sliding seat 21, a plurality of sawtooth blocks 32 which are fixedly arranged at the bottom of the square rod 3 and are inserted into the sawtooth grooves 23 in a matched mode, and a counterweight pull plate 33 which is fixedly arranged at the top end of the square rod 3, the sliding seat 21 is provided with a limiting groove 24, and the limiting plate 31 is slidingly arranged in the limiting groove 24 of the sliding seat 21, the limiting plate 31 is fixedly connected between the top of the plurality of sawtooth blocks 32 and the bottom of the square rod 3, the sliding seat 21 can connect and limit the limiting plate 31 through the limiting groove 24, so that the limiting plate 31 and other components can be lifted and moved, and the limiting plate 31 can connect the plurality of sawtooth blocks 32 and the square rod 3, the plurality of sawtooth blocks 32 and other components can be pressed downward under the gravity of the counterweight pull plate 33, the top end of the square rod 3 penetrates and extends to the outside of the sliding seat 21, and the sliding seat 21 can limit the square rod 3, so that the square rod 3 can only be lifted and cannot be rotated.

[0031] When it is necessary to adjust the positions of the sliding seat 21 and the magnifying lens set 22, the staff can lift the counterweight pull plate 33 to drive the sawtooth blocks 32 to move upward and be separated from the sawtooth grooves 23, at this time, the sliding seat 21 is separated from the locking, then the counterweight pull plate 33 is pushed transversely to drive the magnifying lens set 22 to slide, the counterweight pull plate 33 can be released after the magnifying lens set 22 slides to the required position, at this time, under the gravity of the counterweight pull plate 33 and other components, the sawtooth blocks 32 are automatically inserted into the corresponding positions in the sawtooth grooves 23, so that the position adjustment of the magnifying lens set 22 is completed.

[0032] Referring to Figure 1 and Figure 3 , the square rod 3 is fixedly provided with a pressing rod 34 which is used for pressing and fixing the to-be-detected ruler 12, and the bottom end of the pressing rod 34 is fixedly provided with a non-slip rubber pad 35 which is abutted against the top of the to-be-detected ruler 12, the to-be-detected ruler 12 can be pressed and fixed by the pressing rod 34 after the counterweight pull plate 33 moves downward, so that the to-be-detected ruler 12 is not easy to move during detection, the detection precision is improved, and the non-slip rubber pad 35 can improve the non-slip effect between the pressing rod 34 and the to-be-detected ruler 12, so that the to-be-detected ruler 12 is not easy to move during detection.

[0033] The implementation principle of the steel ruler testing table according to the embodiment is as follows:

[0034] In use, the staff can lock the two ends of the high-precision ruler 11 through the elastic abutting seat 14 and the adjustable seat 15, then press the to-be-detected ruler 12 against the high-precision ruler 11, align the reference lines of the to-be-detected ruler 12 and the high-precision ruler 11, slide the sliding seat 21, and observe the positions of the scales of the high-precision ruler 11 and the to-be-detected ruler 12 through the magnifying glass set 22, so as to evaluate the precision of the to-be-detected ruler 12.

[0035] When it is necessary to adjust the positions of the sliding seat 21 and the magnifying glass set 22, the staff can lift the counterweight pull plate 33 to drive the sawtooth block 32 to move upward and be separated from the sawtooth groove 23, at this time, the sliding seat 21 is separated from the locking, then the counterweight pull plate 33 is pushed transversely to drive the magnifying glass set 22 to slide, when the magnifying glass set 22 slides to the required position, the counterweight pull plate 33 can be released, at this time, under the gravity of the counterweight pull plate 33 and other components, the sawtooth block 32 is automatically inserted into the corresponding position in the sawtooth groove 23, to complete the position adjustment of the magnifying glass set 22.

[0036] And after the counterweight pull plate 33 moves downward, the to-be-detected ruler 12 can be fixed by being pressed through the pressure rod 34 and the anti-skid rubber pad 35, so that the to-be-detected ruler 12 is not easy to move during detection, and the precision of the detection is improved.

[0037] The above are the preferred embodiments of the present application, and are not used to limit the protection scope of the present application, therefore: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A steel ruler verification platform for easy observation, comprising a workbench (1), a high-precision ruler (11) detachably arranged on the top of the workbench (1), and a to-be-detected ruler (12) arranged on the top of the high-precision ruler (11) and having a scale aligned with the high-precision ruler (11), wherein a guide rail (2) is fixedly arranged on the top of the workbench (1), a sliding seat (21) is slidingly arranged outside the guide rail (2), a magnifying glass set (22) for observing the scale positions of the high-precision ruler (11) and the to-be-detected ruler (12) is fixedly installed on the top of the sliding seat (21), and characterized in that: a sawtooth groove (23) is arranged on the top of the guide rail (2) and continuously distributed along the length direction of the guide rail (2), a locking mechanism is arranged between the guide rail (2) and the sliding seat (21), the locking mechanism comprises a square rod (3) slidingly arranged on the top of the sliding seat (21), and a plurality of sawtooth blocks (32) fixedly arranged on the bottom of the square rod (3) and fitted into the sawtooth groove (23), a counterweight pull plate (33) is fixedly arranged on the top end of the square rod (3), and a pressing rod (34) for pressing and fixing the to-be-detected ruler (12) is fixedly arranged on one side of the square rod (3).

2. The steel ruler testing table for easy observation according to claim 1, characterized in that: A baffle (13) is arranged on the side of the high-precision ruler (11) away from the to-be-detected ruler (12) and abuts against the to-be-detected ruler (12), and the baffle (13) is fixedly connected to the top of the workbench (1).

3. The steel ruler testing table for easy observation according to claim 1, characterized in that: Elastic abutting seats (14) and adjustable seats (15) are respectively arranged on both sides of the top of the workbench (1) and abut against both ends of the high-precision ruler (11).

4. The steel ruler testing table for easy observation according to claim 1, characterized in that: The bottom end of the magnifying glass set (22) penetrates and extends to the outside of the sliding seat (21), and the magnifying glass set (22) is located between the top of the high-precision ruler (11) and the to-be-detected ruler (12).

5. The steel ruler testing table for easy observation according to claim 1, characterized in that: A limiting groove (24) is arranged in the sliding seat (21), and a limiting plate (31) is slidingly arranged in the limiting groove (24) of the sliding seat (21).

6. A steel ruler verification table for facilitating observation according to claim 5, characterized in that: The limiting plate (31) is fixedly connected between the top of the plurality of sawtooth blocks (32) and the bottom of the square rod (3).

7. The steel ruler testing table according to claim 1, wherein: The top end of the square rod (3) penetrates and extends to the outside of the sliding seat (21).

8. The steel ruler testing table for easy observation according to claim 1, characterized in that: A non-slip rubber pad (35) is fixedly arranged on the bottom end of the pressing rod (34) and abuts against the top of the to-be-detected ruler (12).

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