Portable leg circumference measuring scale

Abstract

The utility model provides a portable leg circumference measuring scale which is used for measuring the diameter and the length of a leg of a patient, can measure data in the horizontal direction and the vertical direction, can fix the measuring scale in the horizontal direction, can better observe scales, and is convenient to use. The specific mechanism comprises a measuring ruler shell, a horizontal measuring assembly and a vertical measuring assembly, the measuring ruler shell comprises a horizontal brake button, a vertical brake button, a horizontal steel coil groove and a vertical steel coil groove, the brake button is used for fixing the measuring ruler, a steel coil is contained in the steel coil groove, and a horizontal measuring ruler of the horizontal measuring assembly is used for measuring in the horizontal direction. A vertical measuring ruler of the vertical measuring assembly is used for measuring in the vertical direction and can be automatically retracted, and a brace containing groove is further formed in a measuring ruler shell and can be used for fixing a horizontal measuring ruler, so that the measuring ruler is better in operability and higher in precision.

Description

Technical Field

[0001] The utility model relates to the technical field of medical auxiliary equipment, in particular to a portable leg circumference measuring ruler. Background Art

[0002] In the medical field, leg circumference measurements are often performed for the prevention and diagnosis of lower extremity venous thrombosis. These measurements include leg diameter and a specific length, and are taken at the upper edge of the patella on each thigh and the lower edge of the patella on each calf. Conventionally, medical professionals first find the midpoint of the upper edge of the patella, mark it upward, and then use a tape measure to measure around the thigh at that mark. Similarly, they mark the midpoint of the lower edge of the patella downward to measure the calf circumference.

[0003] This measurement method is very complicated, and when measuring, it is necessary to mark first and then measure the leg circumference, which makes the measurement efficiency low; the results measured by different operators may also have errors. In the published patent application CN221129872U, a multifunctional leg circumference measuring ruler is used. Although it can measure the thigh and calf circumference through a ruler with a slide groove and fixed and sliding components, the ruler cannot be retracted, making it inconvenient for medical staff to carry when measuring, and the ruler has many components and a complicated measurement procedure.

[0004] Therefore, how to provide a portable leg circumference measuring ruler is a technical problem that those skilled in the art need to solve urgently. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a portable leg circumference measuring ruler.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions:

[0007] The utility model provides a portable leg circumference measuring ruler, comprising: a ruler housing, the ruler housing comprising a horizontal brake button, a vertical brake button, a horizontal steel coil groove, and a vertical steel coil groove; the horizontal steel coil groove is arranged inside the ruler housing, the vertical steel coil groove is arranged inside the ruler housing, and the horizontal steel coil groove and the vertical steel coil groove are staggered inside the ruler housing; the horizontal brake button is arranged outside the ruler housing and at a first position close to the horizontal steel coil groove, the vertical brake button is arranged outside the ruler housing and at a second position close to the vertical steel coil groove; a horizontal opening groove is formed on the outside of the ruler housing at a third position opposite to the first position, and a vertical opening groove is formed on the outside of the ruler housing at a fourth position opposite to the second position;

[0008] Horizontal measuring component, the horizontal measuring component includes a horizontal measuring ruler, a horizontal measuring steel coil, a horizontal tension bar and a horizontal fixed shaft; the horizontal fixed shaft is fixedly connected to the inner side wall of the measuring ruler housing, one end of the horizontal measuring ruler is movably connected to the horizontal fixed shaft, the other end of the horizontal measuring ruler is provided with the horizontal tension bar, the horizontal measuring ruler is in contact with the horizontal measuring steel coil, and the horizontal measuring steel coil is arranged inside the horizontal steel coil groove;

[0009] Vertical measuring component, the vertical measuring component includes a vertical measuring ruler, a vertical measuring steel coil, a vertical tension bar and a vertical fixed shaft; the vertical fixed shaft is fixedly connected to the inner side wall of the measuring ruler housing, one end of the vertical measuring ruler is movably connected to the vertical fixed shaft, the other end of the vertical measuring ruler is provided with the vertical tension bar, the vertical measuring ruler is in contact with the vertical measuring steel coil, and the vertical measuring steel coil is arranged inside the vertical steel coil groove.

[0010] Optionally, the measuring ruler housing further includes a tension bar receiving groove, the tension bar receiving groove is arranged at the fifth position outside the measuring ruler housing, the fifth position is adjacent to the third position, and the horizontal tension bar is movably connected to the tension bar receiving groove.

[0011] Optionally, the straight line where the first position and the third position are located is perpendicular to the straight line where the second position and the fourth position are located.

[0012] Optionally, the movable connection between the horizontal tension bar and the tension bar receiving groove is a snap connection.

[0013] Optionally, a partition strip is further arranged inside the measuring ruler housing to divide the inside of the measuring ruler housing into two staggered areas. The horizontal steel coil groove is located in the first staggered area, the vertical steel coil groove is located in the second staggered area, the straight line where the first position and the third position are located is in the first staggered area, and the straight line where the second position and the fourth position are located is in the second staggered area.

[0014] Optionally, the straight line where the first position and the third position are located and the straight line where the second position and the fourth position are located are not in the same plane.

[0015] Optionally, a hole matching the size of the horizontal brake button is further opened between the horizontal brake button and the horizontal steel coil groove.

[0016] Optionally, a hole matching the size of the horizontal brake button is further opened between the vertical brake button and the vertical steel coil groove.

[0017] Optionally, a hanging rope is further arranged on the measuring ruler housing.

[0018] Optionally, the horizontal fixed shaft is arranged at the center of the horizontal steel coil groove, and the vertical fixed shaft is arranged at the center of the vertical steel coil groove.

[0019] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0020] The present utility model provides a portable leg circumference measuring ruler, which designs two measuring components in the horizontal and vertical directions. When measuring, the measuring component in the horizontal direction can pull out the pull bar at the end of the horizontal measuring ruler to measure the diameter of the human leg. When the measurement is completed, the measuring ruler will be directly retracted due to the design of the horizontal steel coil. In order to more intuitively and conveniently observe the measured data, the horizontal pull bar at the end of the horizontal measuring ruler can be inserted into the horizontal accommodation for clamping, so as to observe the measured leg diameter, making it more convenient and fast to use. When there is a need to fix the measuring ruler, there is another method to fix the measuring ruler. Press the horizontal brake button to fix the horizontal measuring ruler. When measuring the length in the vertical direction, the pull bar at the end of the vertical measuring ruler can be pulled out. When it is necessary to fix the measuring ruler, press the vertical brake button to fix the pulled-out vertical measuring ruler. When not fixed, the vertical measuring ruler will be automatically retracted due to the design of the vertical measuring steel coil. Inside the measuring ruler housing, the two measuring components are divided into two separate areas, which are separated by a partition strip in the middle, avoiding possible wear and knotting, etc., and improving the practicability. The structure of the present utility model is designed on the measuring ruler housing. The size and shape of the measuring ruler housing are more compact and convenient to carry compared with the existing leg circumference measuring ruler, and it can avoid errors caused by human factors when using the existing measuring ruler, making it have better applicability in the medical field. Description of the Drawings

[0021] Figure 1 is the front sectional view of the present utility model;

[0022] Figure 2 is the structural diagram of the pull bar accommodation groove of the present utility model;

[0023] Figure 3 is the top sectional view of the present utility model;

[0024] In the figure: 1. Measuring ruler housing; 11. Horizontal brake button; 12. Vertical brake button; 13. Horizontal steel coil groove; 14. Vertical steel coil groove; 15. Horizontal opening groove; 16. Vertical opening groove; 2. Horizontal measuring component; 21. Horizontal measuring ruler; 22. Horizontal measuring steel coil; 23. Horizontal pull bar; 24. Horizontal fixed axis; 3. Vertical measuring component; 31. Vertical measuring ruler; 32. Vertical measuring steel coil; 33. Vertical pull bar; 34. Vertical fixed axis; 4. Hanging rope; 5. Partition strip; 6. Pull bar accommodation groove. Detailed Embodiments

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than 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 efforts shall fall within the protection scope of the present utility model.

[0026] Embodiment 1

[0027] As Figures 1-3 shown, a portable leg circumference measuring ruler provided by the present utility model includes: a measuring ruler housing 1, and the measuring ruler housing 1 includes a horizontal brake button 11, a vertical brake button 12, a horizontal steel tape slot 13 and a vertical steel tape slot 14; the horizontal steel tape slot 13 is arranged inside the measuring ruler housing 1, the vertical steel tape slot 14 is arranged inside the measuring ruler housing 1, and the horizontal steel tape slot 13 and the vertical steel tape slot 14 are staggered inside the measuring ruler housing 1; the horizontal brake button 11 is arranged outside the measuring ruler housing 1 and at a first position close to the horizontal steel tape slot 13, the vertical brake button 12 is arranged outside the measuring ruler housing 1 and at a second position close to the vertical steel tape slot 14, a horizontal opening slot 15 is opened at a third position on the outside of the measuring ruler housing 1 opposite to the first position, and a vertical opening slot 16 is opened at a fourth position on the outside of the measuring ruler housing 1 opposite to the second position; a horizontal measuring assembly 2, and the horizontal measuring assembly 2 includes a horizontal measuring ruler 21, a horizontal measuring steel tape 22, a horizontal pull bar 23 and a horizontal fixed shaft 24; the horizontal fixed shaft 24 is fixedly connected to the inner side wall of the measuring ruler housing 1, one end of the horizontal measuring ruler 21 is movably connected to the horizontal fixed shaft 24, a horizontal pull bar 23 is arranged at the other end of the horizontal measuring ruler 21, the horizontal measuring ruler 21 is in contact with the horizontal measuring steel tape 22, and the horizontal measuring steel tape 22 is arranged inside the horizontal steel tape slot 13; a vertical measuring assembly 3, and the vertical measuring assembly 3 includes a vertical measuring ruler 31, a vertical measuring steel tape 32, a vertical pull bar 33 and a vertical fixed shaft 34; the vertical fixed shaft 34 is fixedly connected to the inner side wall of the measuring ruler housing 1, one end of the vertical measuring ruler 31 is movably connected to the vertical fixed shaft 34, a vertical pull bar 33 is arranged at the other end of the vertical measuring ruler 31, the vertical measuring ruler 31 is in contact with the vertical measuring steel tape 32, and the vertical measuring steel tape 32 is arranged inside the vertical steel tape slot 14.

[0028] Specifically, the present utility model provides a portable leg circumference measuring ruler, which designs two measuring components in the horizontal and vertical directions. When measuring, the measuring component in the horizontal direction can pull out the drawbar at the end of the horizontal measuring ruler 21 to measure the leg diameter of the human body. When the measurement is completed, due to the design of the horizontal steel coil, the measuring ruler will be directly retracted. In order to more intuitively and conveniently observe the measured data, the horizontal drawbar 23 at the end of the horizontal measuring ruler 21 can be inserted into the horizontal accommodation and clamped, so that the measured leg diameter can be observed, making it more convenient and fast to use. When there is a need to fix the measuring ruler, there is another method to fix the measuring ruler. Press the horizontal brake button 11 to fix the horizontal measuring ruler 21. When measuring the vertical length, the drawbar at the end of the vertical measuring ruler 31 can be pulled out. When it is necessary to fix the measuring ruler, press the vertical brake button 12 to fix the pulled-out vertical measuring ruler 31. When not fixed, the vertical measuring ruler 31 will be automatically retracted due to the design of the vertical measuring steel coil 32. Inside the measuring ruler housing 1, the two measuring components are divided into two separate areas, and are separated by a partition strip 5 in the middle, avoiding possible wear and knotting, etc., and improving the practicability. The structure of the present utility model is designed on the measuring ruler housing 1. The size and shape of the measuring ruler housing 1 are more compact and convenient to carry compared with the existing leg circumference measuring ruler, and can avoid errors caused by human factors when using the existing measuring ruler, making it more suitable for the medical field.

[0029] In some possible implementation manners, the measuring ruler housing 1 further includes a drawbar accommodation groove 6, and the drawbar accommodation groove 6 is arranged at the fifth position outside the measuring ruler housing 1. The fifth position is adjacent to the third position. The horizontal drawbar 23 is movably connected to the drawbar accommodation groove 6, and the movable connection between the horizontal drawbar 23 and the drawbar accommodation groove 6 is a clamping connection.

[0030] Specifically, through the establishment of the drawbar accommodation groove 6, when it is necessary to fix the horizontal measuring ruler 21, the drawbar at the end of the horizontal measuring ruler 21 can be inserted into the drawbar accommodation groove 6 to clamp the drawbar with the accommodation groove, facilitating the user to better observe the scale of the measuring ruler, avoiding errors caused by human factors, making the operation more convenient and the measurement more accurate.

[0031] In some possible implementation manners, the straight line where the first position and the third position are located is perpendicular to the straight line where the second position and the fourth position are located. The straight line where the first position and the third position are located and the straight line where the second position and the fourth position are located are not in the same plane. A partition strip 5 is further provided inside the measuring ruler housing 1 to divide the inside of the measuring ruler housing 1 into two staggered areas. The horizontal steel coil groove 13 is located in the first staggered area, and the vertical steel coil groove 14 is located in the second staggered area. The straight line where the first position and the third position are located is in the first staggered area, and the straight line where the second position and the fourth position are located is in the second staggered area.

[0032] Specifically, the present utility model arranges the horizontal measuring assembly 2 and the vertical measuring assembly 3 in two different areas, so that the measuring ruler housing 1 can accommodate the measuring rulers in two directions. Compared with the structure of the prior art, the optimization is made, so that the two measuring assemblies will not cause interlacing and knotting and scale wear during use.

[0033] In some possible implementation manners, the horizontal fixed shaft 24 is arranged at the center of the horizontal steel coil groove 13, and the vertical fixed shaft 34 is arranged at the center of the vertical steel coil groove 14. A hole matching the size of the horizontal braking button 11 is further opened between the horizontal braking button 11 and the horizontal steel coil groove 13, and a hole matching the size of the horizontal braking button 11 is further opened between the vertical braking button 12 and the vertical steel coil groove 14.

[0034] Specifically, each steel coil groove is provided with a fixed shaft and a matching braking button. The middle fixed shaft connects the steel coil. In order to more intuitively and conveniently observe the measured data, when it is necessary to fix the measuring ruler, press the button to fix the measuring ruler to avoid the automatic retraction of the measuring ruler due to the design of measuring the steel coil, so that the operability of the measuring ruler is better and the detection accuracy is higher.

[0035] In some possible implementation manners, a hanging rope 4 is further provided on the measuring ruler housing 1.

[0036] Specifically, the hanging rope 4 on the measuring ruler housing 1 can hang the measuring ruler on a hook when not in use, which is more convenient for storage.

[0037] Finally, it should be noted that the above embodiments are only specific embodiments of the present utility model, used to illustrate the technical solutions of the present utility model, rather than limiting it. The protection scope of the present utility model is not limited thereto. Although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that any person skilled in the art within the technical scope disclosed by the present utility model can still modify the technical solutions recorded in the foregoing embodiments, or can easily conceive of changes, or perform equivalent replacements on some of the technical features; and these modifications, changes or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present utility model. All should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

[0038] Although the embodiments of the present utility model have been disclosed as above, it is not limited to only the applications listed in the specification and embodiments. It can be fully applied to various fields suitable for the present utility model. For those familiar with the field, additional modifications can be easily made. Therefore, without departing from the general concept defined by the claims and the equivalent scope, the present utility model is not limited to the specific details and the illustrated and described examples here.

Claims

1. A portable leg circumference measuring ruler, characterized in that: Comprising: A measuring ruler housing (1), the measuring ruler housing (1) including a horizontal braking button (11), a vertical braking button (12), a horizontal steel coil groove (13) and a vertical steel coil groove (14); the horizontal steel coil groove (13) is arranged inside the measuring ruler housing (1), the vertical steel coil groove (14) is arranged inside the measuring ruler housing (1), and the horizontal steel coil groove (13) and the vertical steel coil groove (14) are staggeredly distributed inside the measuring ruler housing (1); the horizontal braking button (11) is arranged outside the measuring ruler housing (1) and at a first position close to the horizontal steel coil groove (13), the vertical braking button (12) is arranged outside the measuring ruler housing (1) and at a second position close to the vertical steel coil groove (14), a horizontal opening groove (15) is formed at a third position on the outside of the measuring ruler housing (1) opposite to the first position, and a vertical opening groove (16) is formed at a fourth position on the outside of the measuring ruler housing (1) opposite to the second position; A horizontal measuring assembly (2), the horizontal measuring assembly (2) including a horizontal measuring ruler (21), a horizontal measuring steel coil (22), a horizontal pull bar (23) and a horizontal fixed shaft (24); the horizontal fixed shaft (24) is fixedly connected to the inner side wall of the measuring ruler housing (1), one end of the horizontal measuring ruler (21) is movably connected to the horizontal fixed shaft (24), the other end of the horizontal measuring ruler (21) is provided with the horizontal pull bar (23), the horizontal measuring ruler (21) is in contact with the horizontal measuring steel coil (22), and the horizontal measuring steel coil (22) is arranged inside the horizontal steel coil groove (13); A vertical measuring assembly (3), the vertical measuring assembly (3) including a vertical measuring ruler (31), a vertical measuring steel coil (32), a vertical pull bar (33) and a vertical fixed shaft (34); the vertical fixed shaft (34) is fixedly connected to the inner side wall of the measuring ruler housing (1), one end of the vertical measuring ruler (31) is movably connected to the vertical fixed shaft (34), the other end of the vertical measuring ruler (31) is provided with the vertical pull bar (33), the vertical measuring ruler (31) is in contact with the vertical measuring steel coil (32), and the vertical measuring steel coil (32) is arranged inside the vertical steel coil groove (14).

2. The portable leg circumference measuring ruler according to claim 1, characterized in that: The measuring ruler housing (1) further includes a pull bar receiving groove (6), the pull bar receiving groove (6) is arranged at a fifth position on the outside of the measuring ruler housing (1), the fifth position is adjacent to the third position, and the horizontal pull bar (23) is movably connected to the pull bar receiving groove (6).

3. The portable leg circumference measuring ruler according to claim 1, characterized in that: The straight line where the first position and the third position are located is perpendicular to the straight line where the second position and the fourth position are located.

4. The portable leg circumference measuring ruler according to claim 2, wherein: The movable connection between the horizontal pull bar (23) and the pull bar receiving groove (6) is a snap connection.

5. The portable leg circumference measuring ruler according to claim 1, characterized in that: Inside the measuring ruler housing (1), there is also a partition strip (5) to divide the inside of the measuring ruler housing (1) into two staggered areas. The horizontal steel coil groove (13) is located in the first staggered area, the vertical steel coil groove (14) is located in the second staggered area, the straight line where the first position and the third position are located is in the first staggered area, and the straight line where the second position and the fourth position are located is in the second staggered area.

6. The portable leg circumference measuring ruler according to claim 5, wherein: The straight line where the first position and the third position are located is not in the same plane as the straight line where the second position and the fourth position are located.

7. A portable leg circumference measuring ruler according to claim 1, characterized in that: There is also a hole matching the size of the horizontal braking button (11) opened between the horizontal braking button (11) and the horizontal steel coil groove (13).

8. The portable leg circumference measuring ruler according to claim 1, characterized in that: There is also a hole matching the size of the horizontal braking button (11) opened between the vertical braking button (12) and the vertical steel coil groove (14).

9. The portable leg circumference measuring ruler according to claim 1, wherein: A hanging rope (4) is also provided on the measuring ruler housing (1).

10. The portable leg circumference measuring ruler according to claim 1, wherein: The horizontal fixed shaft (24) is arranged at the center of the horizontal steel coil groove (13), and the vertical fixed shaft (34) is arranged at the center of the vertical steel coil groove (14).

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