Measuring instrument

Abstract

The utility model relates to the field of measuring tools, in particular to a measuring instrument, which comprises a main ruler, a sliding ruler is sleeved outside the main ruler, and the sliding ruler reciprocates along the main ruler; a sliding ruler is arranged on the main ruler, a positioning piece is arranged on one side of the sliding ruler, the positioning piece slides on the sliding ruler, the sliding direction of the positioning piece is perpendicular to the sliding direction of the sliding ruler, and the sliding ruler capable of sliding in the self-setting direction is arranged on the main ruler, so that after an operator determines a reference point, the positioning piece can slide on the main ruler, and the positioning piece can slide on the main ruler. The measuring height can be adjusted by controlling the sliding ruler, and a reference point does not need to be determined again.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of measuring tools, especially a measuring instrument. BACKGROUND

[0002] In traditional industrial measurement, step height and hole depth are usually two independent measurement indicators. To complete the measurement of these parameters, commonly used tools include vernier caliper, depth gauge and step height measuring ruler, etc. However, these tools have significant limitations in actual operation.

[0003] Firstly, although the traditional vernier caliper can be used for hole depth measurement, its accuracy and stability often cannot meet the requirements when facing deep or complex holes. In addition, for the measurement of step height, it needs to rely on special height measuring tools, which makes the measurement process need to frequently change tools, increasing the complexity and time consumption of operation.

[0004] Secondly, since step height and hole depth are measured separately, there may be deviations between the reference points of different tools in actual application, which easily leads to inconsistency of data and affects the accuracy of measurement results. In addition, the separate measurement method may also increase human error, especially in scenarios that require repeated recording and calculation of measurement results. SUMMARY

[0005] The utility model aims at: in view of the prior art through different tools to measure step height and hole depth, need to move the position of measuring tool repeatedly in the measurement, easy to appear reference point deviation and make the measurement data inaccurate, provide a kind of measuring instrument.

[0006] To achieve the above purpose, the utility model adopts the technical scheme that:

[0007] A kind of measuring instrument, including main ruler, the main ruler outside sleeve joint has sliding ruler, the sliding ruler can reciprocate along the main ruler;Positioning piece is equipped on the sliding ruler, the positioning piece slides on the sliding ruler, the sliding direction of the positioning piece and the sliding direction of the sliding ruler are perpendicular to each other;The sliding ruler and the positioning piece cooperation can be measured in vertical direction.

[0008] In the utility model, the sliding ruler is used to drive the positioning piece to slide along the main ruler and measure the vertical height of step, the positioning piece can slide on the sliding ruler and the sliding direction is perpendicular to the sliding direction of the sliding ruler, so that the hole on the step can be located by the positioning piece.

[0009] The utility model discloses a measuring instrument, through setting the slide ruler who can slide along the self setting direction on the main ruler, makes the operator after determining the reference point, can adjust the height of measurement through the control slide ruler, need not determine the reference point again, be equipped with the positioning piece on the slide ruler, and the positioning piece can slide along the slide ruler, and the slide direction of the positioning piece is perpendicular with the slide direction of the slide ruler, like this makes the positioning piece can move alone, is used for accurately measuring the step height or hole depth of work piece, and the operator can measure the step of different height through moving the slide ruler and measuring tool with measuring tool, can also measure the hole of different position, through integrating the measurement function of step height and hole depth in one equipment, and the user only needs one tool to complete the complex multidimensional measurement task, need not change the tool, and the operation is more simple and convenient, and simultaneously makes the operator be able to complete the measurement of each step and hole under the condition that main ruler is not removed, guarantees that the reference point does not appear deviation, further ensures the accuracy of data.

[0010] As a preferred scheme of the utility model, the slide ruler comprises a sleeve rod, an inner wall of the sleeve rod is in sliding connection with an outer wall of the main ruler, and thus the slide ruler can slide along the main ruler.

[0011] As a preferred scheme of the utility model, the slide ruler further comprises a supporting leg, the supporting leg is perpendicular to the sleeve rod, and the positioning piece is sleeved with the supporting leg.

[0012] By setting the supporting leg perpendicular to the sleeve rod and sleeving the supporting leg with the positioning piece, the operator can control the positioning piece to move on the supporting leg, so that the measuring instrument can not only move longitudinally through the sleeve rod, but also move laterally through the positioning piece, thereby increasing the practicability and enabling the measuring instrument to meet the production requirements in various occasions.

[0013] As a preferred scheme of the utility model, the positioning piece comprises a bearing frame, the bearing frame is provided with a through groove, the through groove is matched with the supporting leg, and a probe is arranged at a lower end of the bearing frame.

[0014] The bearing frame provides a stable supporting structure, can effectively fix the probe, and avoids data deviation caused by device shaking or instability during measurement.

[0015] As a preferred scheme of the utility model, a first limiting piece is arranged at an upper end of the bearing frame and faces an upper end surface of the supporting leg.

[0016] By arranging the first limiting piece, the operator can fix the bearing frame on the supporting leg by abutting the first limiting piece and the supporting leg after moving the bearing frame to a specified position, thereby limiting the displacement of the bearing frame and preventing the bearing frame from deviating during measurement, and the measurement accuracy is improved.

[0017] As a preferred scheme of the utility model, the second limiting piece is arranged on the sliding track of the bearing frame.

[0018] The second limiting piece is arranged on the sliding track of the bearing frame, effectively avoiding the problem that the bearing frame is disconnected from the supporting leg during movement, resulting in detection failure and damage of the bearing frame.

[0019] As a preferred scheme of the utility model, the sleeve rod is provided with a reading table, the reading table comprises a pointer, and the pointer is provided with a gear at one end; the main ruler is provided with a rack, and the rack is engaged with the gear.

[0020] The engagement of the pointer and the gear is accurately matched with the rack in the main ruler, ensuring the accuracy of reading, and avoiding reading errors that may occur in the traditional measurement method; the cooperation of the gear and the rack enables the pointer to move smoothly, the reading table display is more stable, and the value fluctuation caused by jamming or shaking is avoided.

[0021] As a preferred scheme of the utility model, the sleeve rod is provided with a third limiting piece on one side, and the third limiting piece is arranged towards the main ruler.

[0022] The third limiting piece can limit the sliding of the sleeve rod on the main ruler, ensure the stability of the sleeve rod during measurement, and avoid inaccurate measurement data due to deviation.

[0023] As a preferred scheme of the utility model, the main ruler is provided with a fourth limiting piece at the top, and the fourth limiting piece is arranged on the sliding track of the sliding ruler.

[0024] The fourth limiting piece is arranged on the sliding track of the sliding ruler, which can effectively limit the movement range of the sliding ruler, prevent the sliding ruler from accidentally derailing during use, and ensure the normal work of the device.

[0025] As a preferred scheme of the utility model, the main ruler is provided with a base, and the base is arranged at one end away from the fourth limiting piece.

[0026] In summary, due to the adoption of the above technical scheme, the utility model has the beneficial effects of:

[0027] 1. The utility model discloses a measuring instrument, through setting the slide ruler that can slide along the self setting direction on the main ruler, make the operator after determining the reference point, can adjust the height of measurement through the control slide ruler, need not determine the reference point again, be equipped with the positioning piece on the slide ruler, and the positioning piece can slide along the slide ruler, and the slide direction of positioning piece is perpendicular with the slide direction of slide ruler, like this makes the positioning piece can move alone, be used for accurate measurement workpiece's step height or hole depth, and the operator can measure the step of different height through moving slide ruler and measuring tool, can also measure the hole of different position, through integrating the measurement function of step height and hole depth in one equipment, and the user only needs one tool to complete the complex multidimensional measurement task, need not change the tool, and the operation is more simple and convenient, and make the operator can complete the measurement of each step and hole under the condition that main ruler is not moved, guarantee that the reference point does not appear deviation, further ensure the accuracy of data. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is the structural schematic diagram of measuring instrument of the utility model,

[0029] Figure 2 It is the structural schematic diagram of measuring instrument of the utility model without installing reading table,

[0030] Figure 3 It is the structural schematic diagram of slide ruler of the utility model,

[0031] Figure 4 It is the structural schematic diagram of positioning piece of the utility model,

[0032] Figure 5 It is the cooperation schematic diagram of pointer and rack of the utility model,

[0033] Figure 6 It is the schematic diagram when measuring step of the utility model,

[0034] Figure 7 It is the schematic diagram when measuring step hole depth of the utility model.

[0035] Icon: 1 - main ruler, 11 - rack, 12 - fourth limit piece, 13 - base, 2 - slide ruler, 21 - sleeve rod, 211 - third limit piece, 22 - support leg, 23 - second limit piece, 3 - positioning piece, 31 - bearing frame, 311 - through slot, 32 - probe, 33 - first limit piece, 4 - reading table, 41 - pointer, 411 - gear. DETAILED DESCRIPTION

[0036] The application will be further described in conjunction with test examples and specific embodiments. However, it should not be understood that the scope of the above-mentioned subject matter of the application is limited to the following examples. Any technology achieved based on the content of the application falls within the scope of the application.

[0037] In the description of the embodiments of the application, the orientation or position relationship indicated by the terms of "up", "down", "left", "right", "center", "inner", "outer", and the like, are expressed based on the orientation or position relationship shown in the drawings, or the orientation or position relationship when the product / device / apparatus of the application is usually used. These terms of orientation or position relationship are only for the convenience of describing the application or simplifying the description in the embodiments, and for the convenience of the technical personnel to quickly understand the scheme, and do not indicate or imply that a specific device / component / element must have a specific orientation or be constructed and operated in a specific position relationship, and therefore cannot be understood as a limitation on the application.

[0038] In addition, if the terms "horizontal", "vertical", "suspension", "parallel", and the like appear, it does not mean that the corresponding device / component / element must be absolutely horizontal or vertical or suspended or parallel, but can be slightly inclined or deviated. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined. Alternatively, it can be simplified to understand that the corresponding device / component / element is arranged in the direction of "horizontal", "vertical", "suspension", "parallel", etc., and can have an error / deviation of ±10% relative to the corresponding direction, more preferably an error / deviation of ±8% or less, more preferably an error / deviation of ±6% or less, more preferably an error / deviation of ±5% or less, and more preferably an error / deviation of ±4% or less. As long as the corresponding device / component / element is within the error / deviation range, it can still achieve its role in the scheme of the application.

[0039] In addition, the terms "first", "second", "third", and the like appearing in the terms are only used to distinguish the description of the same or similar components, and should not be understood as emphasizing or implying the relative importance of the specific components.

[0040] In addition, in the description of the embodiments of the application, "several", "a plurality of", and "several" represent at least 2. It can be 2, 3, 4, 5, 6, 7, 8, 9, etc. in any case, and can even be more than 9.

[0041] Furthermore, in the description of the technical solutions of the present application, unless otherwise explicitly specified / limited / limited, the terms "set", "install", "connect", "connect", "set", "lay", "arrange" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected, which can be welding, riveting, bolting, screwing and other commonly used connection means in the art. The connection can be mechanical connection, electrical connection or communication connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication between two elements.

[0042] Embodiment 1

[0043] As Figures 1 to 2 With Figures 6 to 7 A measuring instrument as shown, comprising a main ruler 1 for determining the reference point, a sliding ruler 2 is sleeved on the main ruler 1, the sliding ruler 2 reciprocates along the main ruler 1, the sliding ruler 2 is provided with a positioning piece 3, and the positioning piece 3 can slide on the sliding ruler 2, the sliding track of the positioning piece 3 is perpendicular to the sliding track of the sliding ruler 2, so that the operator controls the measurement height of the measuring instrument through the sliding ruler 2, and controls the measurement range of the measuring instrument through the positioning piece 3, when the user measures the height of the step, first determines the reference point of the measurement through the main ruler 1, then moves the sliding ruler 2, drives the positioning piece 3 to move longitudinally through the sliding ruler 2, moves the positioning piece 3 to the specified height, and then moves the positioning piece 3 to the upper end of the measured step through the sleeving relationship between the positioning piece 3 and the sliding ruler 2 and abuts against the step; If you want to measure the next step, you don't need to move the main ruler 1, you just need to adjust the height of the sliding ruler 2 and move the positioning piece 3 above the step at the same time, and the subsequent step height measurement is the same.

[0044] The positioning piece 3 includes a probe 32, when it is necessary to detect the hole depth on the step, the operator moves the positioning piece 3 and the sliding ruler 2, first measures the height H of the step, then moves the positioning piece 3, inserts the probe 32 into the measured hole to obtain the vertical height h of the hole bottom from the reference point, and then calculates the hole depth by H-h.

[0045] In one or more embodiments, the sliding ruler 2 includes a sleeve rod 21 sleeved with the main ruler 1, and the sliding ruler 2 can slide on the main ruler 1 through the sleeve rod 21, and the sleeve rod 21 is also provided with a leg 22 perpendicular to the sleeve rod 21, and the leg 22 is sleeved with the positioning piece 3;

[0046] Further, the positioning member 3 comprises a bearing frame 31 provided with a through slot 311, the bearing frame 31 is capable of sliding on the supporting leg 22 through the through slot 311, and the probe 32 is connected to the lower end of the bearing frame 31. The bearing frame 31 provides a stable support structure, which can effectively fix the probe 32 and avoid data deviation caused by device shaking or instability during measurement, such as Figures 2 to 4 indicated.

[0047] In one or more embodiments, the end of the bearing frame 31 away from the probe 32 is provided with a first limiting member 33, and the body of the first limiting member 33 is a limiting bolt. The operator can achieve abutment of the first limiting member 33 with the upper end surface of the supporting leg 22 by turning the first limiting member 33. The abutment of the first limiting member 33 with the supporting leg 22 limits the movement of the bearing frame 31. By providing the first limiting member 33, the operator can fix the bearing frame 31 on the supporting leg 22 after moving the bearing frame 31 to the designated location, limit the displacement of the bearing frame 31, and prevent the bearing frame 31 from shifting during measurement, thereby improving the accuracy of measurement, such as Figures 2 to 4 indicated.

[0048] In one or more embodiments, the supporting leg 22 is provided with a second limiting member 23, which is arranged at the end of the supporting leg 22 away from the sleeve rod 21. The second limiting member 23 can effectively limit the sliding range of the bearing frame 31 on the supporting leg 22, avoid disconnection between the bearing frame 31 and the supporting leg 22 during movement, and prevent detection failure and damage to the bearing frame 31, such as Figure 4 indicated.

[0049] In one or more embodiments, the bearing frame 31 is provided with a reading table 4, which comprises a pointer 41 provided with a gear 411 at one end. The main ruler 1 is provided with a rack 11, which is engaged with the gear 411. The gear 411 is accurately matched with the rack 11 in the main ruler 1, which ensures the accuracy of reading and avoids reading errors that may occur in traditional measurement methods. The cooperation between the gear 411 and the rack 11 enables the smooth movement of the pointer 41, and the reading table 4 displays more stably, avoiding fluctuations in the value caused by jamming or shaking, such as Figure 1 and Figure 5 indicated.

[0050] In one or more embodiments, the sleeve rod 21 is provided with a third limiting member 211 on one side, which is arranged towards the main ruler 1. The third limiting member 211 can limit the sliding of the sleeve rod 21 on the main ruler 1, ensuring the stability of the sleeve rod 21 during measurement and avoiding inaccurate measurement data due to deviation, such as Figure 2 indicated.

[0051] In one or more embodiments, the main ruler 1 is provided with a fourth limiting piece 12, which is arranged on the sliding track of the sliding ruler 2. The fourth limiting piece 12 is located on the sliding track of the sliding ruler 2, which can effectively limit the movement range of the sliding ruler 2, prevent the sliding ruler 2 from accidentally derailing during use, and ensure normal work of the device, as shown in Figure 1

[0052] In one or more embodiments, the main ruler 1 is provided with a base 13, which is arranged at one end away from the fourth limiting piece 12, as shown in Figure 1

[0053] The above is only a preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.​​

Claims

1. A measuring instrument, characterized in that The utility model provides a slide ruler, which comprises a main ruler (1) and a slide ruler (2) sleeved outside the main ruler (1), the slide ruler (2) can reciprocate along the main ruler (1), a positioning piece (3) is arranged on the slide ruler (2), the positioning piece (3) slides on the slide ruler (2), the sliding direction of the positioning piece (3) is perpendicular to the sliding direction of the slide ruler (2), and the slide ruler (2) and the positioning piece (3) can be used for vertical measurement.

2. A gauge according to claim 1, wherein, The slide ruler (2) comprises a sleeve rod (21), the inner wall of the sleeve rod (21) is slidably connected with the outer wall of the main ruler (1), and then the slide ruler (2) can slide along the main ruler (1).

3. A gauge according to claim 2, wherein, The slide ruler (2) further comprises a supporting leg (22), the supporting leg (22) is perpendicular to the sleeve rod (21), and the positioning piece (3) is sleeved with the supporting leg (22).

4. A gauge according to claim 3, wherein, The positioning piece (3) comprises a bearing frame (31), the bearing frame (31) is provided with a through slot (311), the positioning piece (3) is sleeved with the supporting leg (22) through the through slot (311), and a probe (32) is arranged at the lower end of the bearing frame (31).

5. A gauge according to claim 4, wherein, A first limiting piece (33) is arranged at the upper end of the bearing frame (31) and faces the upper end surface of the supporting leg (22).

6. A gauge according to claim 5, wherein, A second limiting piece (23) is arranged at the end of the supporting leg (22) away from the sleeve rod (21), and the second limiting piece (23) is arranged on the sliding track of the bearing frame (31).

7. A gauge according to claim 6, wherein, A reading table (4) is arranged on the sleeve rod (21), the reading table (4) comprises a pointer (41), one end of the pointer (41) is provided with a gear (411), and a rack (11) is arranged in the main ruler (1) and engaged with the gear (411).

8. A gauge according to claim 7, wherein, A third limiting piece (211) is arranged on one side of the sleeve rod (21) and faces the main ruler (1).

9. A gauge according to any one of claims 1 to 8, wherein, A fourth limiting piece (12) is arranged at the top of the main ruler (1) and on the sliding track of the slide ruler (2).

10. A gauge according to claim 9, wherein, The main ruler (1) is provided with a base (13), and the base (13) is arranged at the end away from the fourth limiting piece (12).

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