A portable measuring scale

The pluggable and foldable design of the portable measuring ruler solves the problem of limited measurement range of existing measuring rulers, and realizes the extension of measurement range and portability.

CN224415925UActive Publication Date: 2026-06-26SHAANXI ZHONGCHUANG SURVEYING & MAPPING CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHAANXI ZHONGCHUANG SURVEYING & MAPPING CO LTD
Filing Date
2025-08-08
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

The minimum measuring range of existing measuring rulers is limited by the length of the ruler, which cannot meet the measurement needs of different sizes.

Method used

A portable measuring ruler was designed. Through the pluggable and foldable structure of the first and second ruler bodies, combined with the forward and reverse pluggable of the measuring claw, the measuring range is extended. It is fixed by a threaded knob and a limiting groove structure, and can be easily carried and stored with a lanyard.

Benefits of technology

It extends the measurement range, solves the problem of difficulty in measuring small sizes, and is easy to carry and use.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224415925U_ABST
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Abstract

The utility model discloses a portable measure ruler, including first ruler body and second ruler body. The portable measure ruler, the outside of first ruler body is provided with the second ruler body of sliding cover, and the inner chamber for first ruler body sliding is passed in on the second ruler body and is passed in and is established, and the front end of first ruler body is equipped with first measuring claw, and the front end of second ruler body is equipped with second measuring claw, and the front surface of first ruler body is equipped with first scale line, and the back of second ruler body is equipped with observation slot with first scale line, and the below of observation slot is equipped with second scale line, and first ruler body and second ruler body mutually positive direction plug -in, and first measuring claw and second measuring claw close to each other, thereby with the zero scale of first scale line, and first ruler body and second ruler body mutually reverse plug -in, and first measuring claw and second measuring claw are far from each other, thereby with the reference scale line measurement of second scale line, and the size extension of measurement is carried out, thereby avoided the problem that smaller size can not be measured.
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Description

Technical Field

[0001] This utility model relates to a measuring ruler, specifically a portable measuring ruler. Background Technology

[0002] A measuring ruler is a measuring tool used to measure and read dimensions. A search revealed a telescopic measuring ruler in patent document CN219289459U, comprising: a measuring rod, a fixed scale, a sliding scale, and a slider. The measuring rod includes a fixed part and a telescopic part, the telescopic part being embedded inside the fixed part and capable of moving along the length of the inner wall of the fixed part; the fixed scale is perpendicular to the bottom end of the fixed part, and its top surface is flush with the bottom end face of the fixed part; the sliding scale is perpendicularly connected to the slider, which can move along the length of either the fixed part or the telescopic part.

[0003] While the existing technology can be extended and adapted to different sizes, its minimum measurement is limited by the length of the measuring ruler itself, affecting the measurement range. Therefore, a new portable measuring ruler is proposed to optimize the existing technology. Utility Model Content

[0004] The purpose of this invention is to provide a portable measuring ruler to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A portable measuring ruler includes a first ruler body, a second ruler body slidably sleeved on the outer side of the first ruler body, an inner cavity through which the first ruler body slides, a first measuring claw at the front end of the first ruler body, a second measuring claw at the front end of the second ruler body, a first scale line on the front surface of the first ruler body, an observation groove corresponding to the first scale line on the back of the second ruler body, a second scale line below the observation groove, one side of the first measuring claw aligned with the zero mark of the first scale line, one side of the second measuring claw flush with the edge of the second ruler body, and the other side of the second measuring claw aligned with the starting mark of the second scale line. The starting mark of the second scale line is equal to and corresponds to the ending mark of the first scale line.

[0007] As a further embodiment of this utility model: each of the two ends of the second ruler is threaded with a threaded knob, and a rubber gasket is provided between the knob head and the second ruler.

[0008] As a further embodiment of this utility model: a first storage cavity adapted to the first measuring claw is provided on the first ruler body, the first measuring claw is damped and rotatably connected in the first storage cavity, and the edge of the first measuring claw is in contact with the end inner wall of the first storage cavity.

[0009] As a further embodiment of this utility model: the second ruler body has a matching second storage cavity corresponding to the second measuring claw, and the second measuring claw is damped and rotatably connected in the second storage cavity.

[0010] As a further embodiment of this utility model: an arc-shaped limiting groove is provided on the side wall of one end of the rotating connection of the second measuring claw, and a limiting protrusion is provided in the second receiving cavity corresponding to the arc-shaped limiting groove. The limiting protrusion is inserted into the arc-shaped limiting groove and is slidably connected with the arc-shaped limiting groove.

[0011] As a further embodiment of this utility model: the front end of the first ruler body is provided with a connecting ring, a hanging rope is connected to the connecting ring, a wire loop is connected to the hanging rope, and the wire loop is sleeved on the connecting ring.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. In this utility model, the first and second rulers are inserted into each other in a forward orientation, and the first and second measuring claws are close together, so that the measurement is performed at the zero mark of the first scale line. At the same time, the first and second rulers are inserted into each other in a reverse orientation, and the first and second measuring claws are far apart from each other, so that the measurement is performed at the reference scale line of the second scale line, and the measurement dimension is extended, thereby avoiding the problem that smaller dimensions cannot be measured.

[0014] 2. The first and second rulers fit together, and the first and second measuring claws can be folded and stored in the first and second storage cavities, respectively, and can be taken out with the hanging rope, thus making it convenient to carry the measuring ruler. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of a portable measuring ruler.

[0016] Figure 2 This is a second state diagram of a portable measuring ruler.

[0017] Figure 3 This is a cross-sectional view of a portable measuring ruler.

[0018] Figure 4 This is an enlarged view of point A in a portable measuring ruler.

[0019] Figure 5 This is an enlarged view of B in a portable measuring ruler.

[0020] Figure 6 This is a schematic diagram of a portable measuring ruler in its folded and stored state.

[0021] In the diagram: 1. First ruler body; 2. Second ruler body; 3. First measuring claw; 4. Second measuring claw; 5. First scale line; 6. Observation slot; 7. Second scale line; 8. Threaded knob; 9. Rubber gasket; 10. First storage cavity; 11. Second storage cavity; 12. Arc-shaped limiting groove; 13. Limiting protrusion; 14. Connecting ring; 15. Hanging rope; 16. Wire loop. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-6 In this embodiment of the present invention, a portable measuring ruler includes a first ruler body 1, a second ruler body 2 slidably sleeved on the outer side of the first ruler body 1, an inner cavity through which the first ruler body 1 slides, a first measuring claw 3 at the front end of the first ruler body 1, a second measuring claw 4 at the front end of the second ruler body 2, a first scale line 5 on the front surface of the first ruler body 1, an observation groove 6 on the back side of the second ruler body 2 corresponding to the first scale line 5, a second scale line 7 below the observation groove 6, one side of the first measuring claw 3 aligned with the zero mark of the first scale line 5, one side of the second measuring claw 4 flush with the edge of the second ruler body 2, and the other side of the second measuring claw 4 aligned with the starting mark of the second scale line 7. The starting mark of the second scale line 7 is equal to and corresponds to the ending mark of the first scale line 5.

[0024] The first ruler 1 and the second ruler 2 are inserted into each other in a forward orientation, and the first measuring claw 3 and the second measuring claw 4 are close together, so that the measurement is performed at the zero mark of the first scale line 5. At the same time, the first ruler 1 and the second ruler 2 are inserted into each other in a reverse orientation, and the first measuring claw 3 and the second measuring claw 4 are far apart from each other, so that the measurement is performed at the reference scale line of the second scale line 7, extending the measurement dimension and thus avoiding the problem that smaller dimensions cannot be measured.

[0025] Both ends of the second ruler 2 are threadedly connected to a threaded knob 8, and a rubber gasket 9 is provided between the knob head of the threaded knob 8 and the second ruler 2.

[0026] The position of the second ruler 2 on the first ruler 1 can be fixed by setting the threaded knob 8.

[0027] The first ruler body 1 has a first storage cavity 10 adapted to the first measuring claw 3. The first measuring claw 3 is damped and rotatably connected in the first storage cavity 10, and the edge of the first measuring claw 3 is attached to the end inner wall of the first storage cavity 10.

[0028] The second ruler 2 has a corresponding second storage cavity 11 for the second measuring claw 4, and the second measuring claw 4 is damped and rotatably connected in the second storage cavity 11.

[0029] The second measuring claw 4 has an arc-shaped limiting groove 12 on one side wall of its rotatable connection. The second receiving cavity 11 has a limiting protrusion 13 corresponding to the arc-shaped limiting groove 12. The limiting protrusion 13 is inserted into the arc-shaped limiting groove 12 and is slidably connected to the arc-shaped limiting groove 12.

[0030] The first measuring claw 3 and the second measuring claw 4 can be unfolded and respectively limited by the arc-shaped limiting groove 12 and the limiting protrusion 13 to maintain verticality, thereby facilitating clamping and measurement.

[0031] The front end of the first ruler body 1 is provided with a connecting ring part 14, a hanging rope 15 is connected to the connecting ring part 14, a wire loop 16 is connected to the hanging rope 15, and the wire loop 16 is sleeved on the connecting ring part 14.

[0032] The first ruler body 1 and the second ruler body 2 fit together. The first measuring claw 3 and the second measuring claw 4 can be folded and stored in the first storage cavity 10 and the second storage cavity 11, and can be taken out with the hanging rope 15, thus making it convenient to carry the measuring ruler.

[0033] The working principle of this utility model is as follows:

[0034] In use, the first ruler 1 and the second ruler 2 are inserted into each other in a forward orientation, and the first measuring claw 3 and the second measuring claw 4 are close together. The first measuring claw 3 and the second measuring claw 4 are clamped on both sides of the object being measured, so that the measurement is performed at the zero mark of the first scale line 5. Alternatively, the first ruler 1 and the second ruler 2 are inserted into each other in a reverse orientation, and the first measuring claw 3 and the second measuring claw 4 are far apart from each other. The first measuring claw 3 and the second measuring claw 4 are clamped on both sides of the object being measured, and the tail end of the first ruler 1 is observed through the through-viewing groove 6 to see the situation corresponding to the second scale line 7, so that the measurement is performed at the reference scale line of the second scale line 7.

[0035] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A portable measuring ruler, comprising a first ruler body (1), characterized in that: A second ruler (2) is slidably sleeved on the outer side of the first ruler (1). The second ruler (2) has an inner cavity through which the first ruler (1) slides. The front end of the first ruler (1) is provided with a first measuring claw (3), and the front end of the second ruler (2) is provided with a second measuring claw (4). The front surface of the first ruler (1) is provided with a first scale line (5). The back of the second ruler (2) is provided with an observation groove (6) corresponding to the first scale line (5). The bottom of the observation groove (6) is provided with a second scale line (7). One side of the first measuring claw (3) is aligned with the zero mark of the first scale line (5). One side of the second measuring claw (4) is flush with the edge of the second ruler (2). The other side of the second measuring claw (4) is aligned with the starting mark of the second scale line (7). The starting mark of the second scale line (7) is equal to and corresponds to the ending mark of the first scale line (5).

2. The portable measuring ruler according to claim 1, characterized in that: Both ends of the second ruler (2) are threaded with a threaded knob (8), and a rubber gasket (9) is provided between the knob head of the threaded knob (8) and the second ruler (2).

3. A portable measuring ruler according to claim 1, characterized in that: The first ruler body (1) has a first storage cavity (10) adapted to the first measuring claw (3). The first measuring claw (3) is damped and rotatably connected in the first storage cavity (10). The edge of the first measuring claw (3) is in contact with the inner wall of the end of the first storage cavity (10).

4. A portable measuring ruler according to claim 1, characterized in that: The second ruler body (2) has a matching second storage cavity (11) corresponding to the second measuring claw (4), and the second measuring claw (4) is damped and rotatably connected in the second storage cavity (11).

5. A portable measuring ruler according to claim 4, characterized in that: The second measuring claw (4) has an arc-shaped limiting groove (12) on one side wall of the rotating connection. The second receiving cavity (11) has a limiting protrusion (13) corresponding to the arc-shaped limiting groove (12). The limiting protrusion (13) is inserted into the arc-shaped limiting groove (12) and is slidably connected with the arc-shaped limiting groove (12).

6. A portable measuring ruler according to claim 1, characterized in that: The front end of the first ruler body (1) is provided with a connecting ring (14), a hanging rope (15) is connected to the connecting ring (14), a wire loop (16) is connected to the hanging rope (15), and the wire loop (16) is sleeved on the connecting ring (14).