Lower limb circumference measuring device convenient to use

Abstract

The utility model belongs to the field of lower limb circumference measurement, and particularly relates to a lower limb circumference measuring device convenient to use, which comprises a hollow block, side plates are rotatably connected to the left side and the right side of the hollow block, a strap is fixedly connected to one side, far away from the hollow block, of each side plate, an upper plastic plate is fixedly connected to the top of the hollow block, and a lower plastic plate is fixedly connected to the top of the upper plastic plate. The bottom of the hollow block is fixedly connected with a lower plastic plate. The sides, away from the hollow block, of the upper plastic plate and the lower plastic plate are provided with measuring assemblies. The center of the hollow block is placed in the center of the patella, then the two arc-shaped sliding rods are pushed to be close to each other and enable the two abutting blocks to be attached, and at the moment, the hollow block is stably connected to the lower limbs of a person in a sleeving mode through the arc-shaped sliding rods and the abutting blocks; afterwards, an operator directly uses the measuring cloth rulers placed on the surfaces of the upper plastic plate and the lower plastic plate to detect the circumferential diameters of the corresponding positions of the lower limbs, and not only can single-person operation be achieved, but also the measuring efficiency is high.

Description

Technical Field

[0001] This utility model relates to the field of lower limb circumference measurement, specifically a user-friendly lower limb circumference measurement device. Background Technology

[0002] When measuring the lower limb circumference of the person being tested, the current measurement method requires first determining the center of the patella. Then, a soft measuring tape is used to measure the circumference at 15 centimeters above and 10 centimeters below the center of the patella, thereby determining the lower limb circumference of the person being tested, and then assessing the person's health, exercise training, and disease prevention.

[0003] Currently, when measuring the lower limb circumference of other people using a soft measuring tape, it is also necessary to determine the measurement position above and below the patella. In a large number of people, this measurement method will reduce the measurement efficiency and may lead to inaccurate measurement positions, resulting in errors in the analysis of the measurement data. Therefore, to address the above problems, a user-friendly lower limb circumference measuring device is proposed. Utility Model Content

[0004] To overcome the shortcomings of existing technologies and avoid the problems of low detection efficiency and inaccuracy, this utility model proposes an easy-to-use lower limb circumference measuring device.

[0005] The technical solution adopted by this utility model to solve its technical problem is: a user-friendly lower limb circumference measuring device, including a hollow block, with side plates rotatably connected to both sides of the hollow block, a strap fixedly connected to the side plate away from the hollow block, an upper plastic plate fixedly connected to the top of the hollow block, a lower plastic plate fixedly connected to the bottom of the hollow block, a measuring component provided on the side of the upper and lower plastic plates away from the hollow block, and a limiting component provided on the surface of the upper and lower plastic plates;

[0006] The measuring assembly includes two protruding plates fixedly installed at the front end of the upper plastic plate. The two protruding plates have grooves inside, and a sliding rod is slidably connected inside the grooves. A pressure spring is fixedly connected to one end of the sliding rod near the upper plastic plate, and a measuring tape is arranged between the two protruding plates.

[0007] Preferably, the upper plastic plate has a length of 15cm and the lower plastic plate has a length of 10cm.

[0008] Preferably, the measuring tape is attached to the surface of the upper plastic plate, with the right side of the measuring tape flush with the right end face of the upper plastic plate. The rear end of the sliding rod is adapted to fit the measuring tape, and the sliding rod limits the starting end of the measuring tape. Then, the measuring tape is directly wrapped around the lower limbs of the person being tested, so that the measuring tape surrounds and fits the right side of the upper plastic plate. At this time, the measuring tape can be read directly.

[0009] Preferably, the limiting component includes a hollow tube fixedly installed at the rear ends of the upper and lower plastic plates. A winding rod is rotatably connected inside the hollow tube. A limiting groove is formed on the surface of the winding rod. Telescopic rods are fixedly connected to both the upper and lower sides of the inner wall of the hollow tube. A pressure spring is fixedly connected to the end of the telescopic rod away from the inner wall of the hollow tube. A friction block is wound around the surface of the telescopic rod. A pull rope is wound around the surface of the winding rod. Arc-shaped plates are fixedly connected to both the left and right sides of the upper plastic plate. Arc-shaped grooves are formed inside the arc-shaped plates. Arc-shaped sliding rods are slidably connected inside the arc-shaped grooves. An abutment block is fixedly connected to the end of the arc-shaped sliding rod near the outside of the arc-shaped plate. A return spring is fixedly connected to the end of the arc-shaped sliding rod near the inside of the arc-shaped groove. A guide rod is fixedly connected inside the arc-shaped groove.

[0010] Preferably, grooves are provided on both the left and right sides of the surface of the hollow tube. The pull rope extends through the grooves to the outside of the hollow tube. The pull rope passes through the guide rod and is fixedly connected to the arc-shaped slide rod. The pull rope will pull the arc-shaped slide rod, thereby making the arc-shaped slide rod overcome the elastic force of the return spring and remain stationary inside the arc-shaped groove.

[0011] Preferably, the end of the second pressure spring away from the telescopic rod is adapted to fit against the inner wall of the limiting groove, and the end of the friction block away from the telescopic rod is fixedly connected to the surface of the second pressure spring. The elastic force of the friction block pushes the second pressure spring against the inside of the limiting groove. At this time, the winding rod is limited by the friction between the second pressure spring and the limiting groove.

[0012] Preferably, the two abutting blocks are in contact with each other at their closest ends, and the end of the reset spring away from the arc-shaped slide bar is fixedly connected to the inner wall of the arc-shaped groove.

[0013] The advantages of this utility model are:

[0014] This invention places the center of a hollow block at the center of the patella, then pushes two arc-shaped sliding rods closer together so that the two abutting blocks fit together. At this point, the hollow block is stably fitted onto the lower limb of the operator through the arc-shaped sliding rods and abutting blocks. Then, the operator can directly use a measuring tape placed on the surface of the upper and lower plastic plates to measure the circumference of the corresponding position of the lower limb. This method can be operated by a single person and has high measurement efficiency. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a schematic diagram of the measuring component structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the defined component structure of this utility model;

[0019] Figure 4 For the present utility model Figure 3 Enlarged structural diagram at point A in the middle;

[0020] Figure 5 This is a top-view cross-sectional structural diagram of the arc-shaped plate of this utility model.

[0021] In the diagram: 11. Hollow block; 12. Side plate; 13. Strap; 21. Upper plastic plate; 22. Lower plastic plate; 3. Measuring component; 31. Protruding plate; 32. Slide groove; 33. Sliding rod; 34. Pressure spring one; 35. Measuring tape; 4. Limiting component; 41. Hollow tube; 421. Winding rod; 422. Limiting groove; 431. Telescopic rod; 432. Pressure spring two; 433. Friction block; 44. Pull rope; 451. Arc plate; 452. Arc groove; 461. Arc sliding rod; 462. Abutment block; 463. Return spring; 47. Guide rod. 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] The following is in conjunction with the appendix Figure 1 — Figure 5 This application will be described in further detail.

[0024] This application discloses a user-friendly device for measuring lower limb circumference. (Refer to...) Figure 1A user-friendly lower limb circumference measuring device includes a hollow block 11, with side plates 12 rotatably connected to both sides of the hollow block 11. A strap 13 is fixedly connected to the side of the side plate 12 away from the hollow block 11. An upper plastic plate 21 is fixedly connected to the top of the hollow block 11, and a lower plastic plate 22 is fixedly connected to the bottom of the hollow block 11. The upper plastic plate 21 has a length of 15cm, and the lower plastic plate 22 has a length of 10cm. A measuring component 3 is provided on the side of the upper plastic plate 21 and the lower plastic plate 22 away from the hollow block 11, and a limiting component 4 is provided on the surface of the upper plastic plate 21 and the lower plastic plate 22.

[0025] Reference Figure 2 The measuring component 3 includes two protruding plates 31 fixedly installed at the front end of the upper plastic plate 21. The two protruding plates 31 have grooves 32 inside, and a sliding rod 33 is slidably connected inside the grooves 32. A pressure spring 34 is fixedly connected to one end of the sliding rod 33 near the upper plastic plate 21. A measuring tape 35 is arranged between the two protruding plates 31. The measuring tape 35 is attached to the surface of the upper plastic plate 21, and the right side of the measuring tape 35 is flush with the right end face of the upper plastic plate 21. The rear end of the sliding rod 33 is adapted to fit the measuring tape 35. The sliding rod 33 limits the starting end of the measuring tape 35. Then, the measuring tape 35 is directly wrapped around the lower limbs of the person to be tested, so that the measuring tape 35 surrounds and fits the right side of the upper plastic plate 21. At this time, the measuring tape 35 can be directly read.

[0026] Reference Figure 3 - Figure 5The limiting component 4 includes a hollow tube 41 fixedly installed at the rear ends of the upper plastic plate 21 and the lower plastic plate 22. A winding rod 421 is rotatably connected inside the hollow tube 41. A limiting groove 422 is formed on the surface of the winding rod 421. Telescopic rods 431 are fixedly connected to both the upper and lower sides of the inner wall of the hollow tube 41. A pressure spring 432 is fixedly connected to the end of the telescopic rod 431 away from the inner wall of the hollow tube 41. Friction blocks 433 are wound around the surface of the telescopic rod 431. The end of friction block 432 away from telescopic rod 431 is fitted to the inner wall of limiting groove 422. The end of friction block 433 away from telescopic rod 431 is fixedly connected to the surface of pressure spring 432. The elastic force of friction block 433 pushes pressure spring 432 to abut against the inside of limiting groove 422. At this time, the winding rod 421 is limited by the friction between pressure spring 432 and limiting groove 422. A pull rope 44 is wound around the surface of winding rod 421. The left side of upper plastic plate 21 Arc-shaped plates 451 are fixedly connected to both sides. Arc-shaped grooves 452 are formed inside the arc-shaped plates 451. Arc-shaped sliding rods 461 are slidably connected inside the arc-shaped grooves 452. An abutment block 462 is fixedly connected to one end of the arc-shaped sliding rod 461 near the outside of the arc-shaped plates 451. A return spring 463 is fixedly connected to the other end of the arc-shaped sliding rod 461 near the inside of the arc-shaped grooves 452. The two abutment blocks 462 are in contact with each other at their closest points. The return spring 463 is located away from the arc-shaped sliding rod. One end of the rod 461 is fixedly connected to the inner wall of the arc-shaped groove 452. A guide rod 47 is fixedly connected inside the arc-shaped groove 452. Grooves are provided on both the left and right sides of the surface of the hollow tube 41. The pull rope 44 extends through the groove to the outside of the hollow tube 41. The pull rope 44 passes through the guide rod 47 and is fixedly connected to the arc-shaped slide rod 461. The pull rope 44 will pull the arc-shaped slide rod 461, thereby making the arc-shaped slide rod 461 overcome the elastic force of the return spring 463 and remain stationary inside the arc-shaped groove 452.

[0027] Working principle: The operator places the hollow block 11 on the patella of the person to be tested, and makes the center of the hollow block 11 located at the center of the patella. At this time, the two straps 13 are wrapped around the leg joint and tied, so that the two straps 13 initially fix the hollow block 11 to the patella of the lower limb.

[0028] The operator then adjusts the tilt of the upper plastic plate 21 and the lower plastic plate 22 to keep them as vertical as possible. Because the pressure spring 432 abuts against the inside of the limiting groove 422 under the elastic force of the friction block 433, the winding rod 421 is limited by the friction between it and the pressure spring 432. The operator then manually rotates the winding rod 421 to overcome the friction between it and the pressure spring 432. At this point, the winding rod 421 gradually loosens the pull rope 44, thus stopping the pull rope from being pulled. When the curved slide bar 461 is no longer under the tension of the pull rope 44, the curved slide bar 461 will move outward of the curved plate 451 under the action of the return spring 463. At this time, the operator slowly rotates the winding rod 421, so the two curved slide bars 461 also slowly move outward of the curved plate 451 until the two curved slide bars 461 drive the two abutting blocks 462 to abut against each other. At this time, the hollow block 11 is fixed by the two sets of curved slide bars 461 that surround each other, that is, the position and angle of the hollow block 11 are determined at this time.

[0029] The operator then pushes the connection between the upper plastic plate 21 and the hollow block 11 to bend it, so that the upper plastic plate 21 and the lower plastic plate 22 gradually fit together with the legs of the person to be tested. Then the operator wraps the measuring tape 35 away from the upper plastic plate 21 around the lower limbs of the person to be tested, so that the end of the measuring tape 35 away from the upper plastic plate 21 fits against the right edge of the upper plastic plate 21. At this time, the reading of the measuring tape 35 can be directly observed to determine the circumference of the test area. Then the circumference of the other test area is tested in the same way.

[0030] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A user-friendly device for measuring lower limb circumference, characterized in that: Includes a hollow block (11), with side plates (12) rotatably connected to both the left and right sides of the hollow block (11), a strap (13) fixedly connected to the side of the side plate (12) away from the hollow block (11), an upper plastic plate (21) fixedly connected to the top of the hollow block (11), a lower plastic plate (22) fixedly connected to the bottom of the hollow block (11), a measuring component (3) provided on the side of the upper plastic plate (21) and the lower plastic plate (22) away from the hollow block (11), and a limiting component (4) provided on the surface of the upper plastic plate (21) and the lower plastic plate (22); The measuring component (3) includes two protruding plates (31) fixedly installed at the front end of the upper plastic plate (21). The two protruding plates (31) have a sliding groove (32) inside. A sliding rod (33) is slidably connected inside the sliding groove (32). A pressure spring (34) is fixedly connected to one end of the sliding rod (33) near the upper plastic plate (21). A measuring tape (35) is provided between the two protruding plates (31).

2. The easy-to-use lower limb circumference measuring device according to claim 1, characterized in that: The upper plastic plate (21) is 15cm long and the lower plastic plate (22) is 10cm long.

3. The easy-to-use lower limb circumference measuring device according to claim 1, characterized in that: The measuring tape (35) is attached to the surface of the upper plastic plate (21), the right side of the measuring tape (35) is flush with the right end face of the upper plastic plate (21), and the rear end of the sliding rod (33) is adapted to fit the measuring tape (35).

4. The easy-to-use lower limb circumference measuring device according to claim 1, characterized in that: The limiting component (4) includes a hollow tube (41) fixedly installed at the rear end of the upper plastic plate (21) and the lower plastic plate (22). A winding rod (421) is rotatably connected inside the hollow tube (41). A limiting groove (422) is formed on the surface of the winding rod (421). Telescopic rods (431) are fixedly connected to both the upper and lower sides of the inner wall of the hollow tube (41). A pressure spring (432) is fixedly connected to the end of the telescopic rod (431) away from the inner wall of the hollow tube (41). A friction block (433) is wound around the surface of the telescopic rod (431). The winding rod (421) A pull rope (44) is wound around the surface. Arc plates (451) are fixedly connected to both sides of the upper plastic plate (21). An arc groove (452) is opened inside the arc plate (451). An arc slide rod (461) is slidably connected inside the arc groove (452). An abutment block (462) is fixedly connected to one end of the arc slide rod (461) near the outside of the arc plate (451). A return spring (463) is fixedly connected to one end of the arc slide rod (461) near the inside of the arc groove (452). A guide rod (47) is fixedly connected inside the arc groove (452).

5. The easy-to-use lower limb circumference measuring device according to claim 4, characterized in that: The hollow tube (41) has grooves on both the left and right sides of its surface. The pull rope (44) extends through the grooves to the outside of the hollow tube (41). The pull rope (44) passes through the guide rod (47) and the arc-shaped slide rod (461) and is fixedly connected.

6. The easy-to-use lower limb circumference measuring device according to claim 4, characterized in that: The end of the second pressure spring (432) away from the telescopic rod (431) is adapted to fit against the inner wall of the limiting groove (422), and the end of the friction block (433) away from the telescopic rod (431) is fixedly connected to the surface of the second pressure spring (432).

7. The easy-to-use lower limb circumference measuring device according to claim 4, characterized in that: The two abutting blocks (462) on the left and right sides are in contact with each other at their closest ends, and the end of the reset spring (463) away from the arc-shaped slide rod (461) is fixedly connected to the inner wall of the arc-shaped groove (452).

Images