Background
The leg circumference refers to the size of the human leg circumference, and is mainly divided into thigh circumference and calf circumference (calf circumference), and the traditional leg circumference measuring method has the defects of complicated operation, large error and the like, and can lead to inaccurate measuring results.
The utility model discloses a leg circumference measuring apparatu like chinese patent publication No. CN216021038U, discloses a leg circumference measuring apparatu, including knee locating strap, symmetry fixedly connected with support post around the lateral wall of knee locating strap, upper surface and lower surface of support post are fixedly connected with thigh leg circumference measuring frame and shank leg circumference measuring frame respectively, the installation cavity has all been seted up to thigh leg circumference measuring frame and shank leg circumference measuring frame's inside, the inside in installation cavity is equipped with beam tightening mechanism and straining device, through setting up straining device and beam tightening mechanism, can be after servo motor starts, the motor shaft drives the screw lead screw rotation, makes the displacement board remove in this in-process to the direction that is close to servo motor, and the part that upper measuring strap was located the lantern ring right-hand member extends, makes two guide posts be close to each other, makes upper measuring strap and lower measuring strap paste tightly with the person's of being tested shank, and infrared ranging sensor is with oneself and displacement board distance data transmission to control center by bluetooth communication module to calculate person's leg circumference data.
Through using this leg circumference measuring apparatu to find, this device can measure the leg circumference data of survey person, nevertheless owing to whole device is complete ring structure, can't open from the side, can only pass from the foot of person under test when again using, and it is inconvenient to use, and the practicality is lower.
Disclosure of utility model
The utility model aims to provide a positioning leg circumference measuring device which is used for solving the problem of inconvenient use.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a location leg circumference measuring device, includes the device main part, the spout has been seted up around the top of device main part, the middle part sliding connection of spout has the slider, spacing hole has been seted up at the top of slider, device main part inner wall right flank installs the motor, the output shaft fixedly connected with screw rod of motor, one side that the motor was kept away from to the screw rod with the device main part rotates to be connected, the inner wall right flank of device main part installs infrared range finder, the top of device main part is equipped with first curved strip, the both sides fixedly connected with elastic band of first curved strip, the top of spout is equipped with the curved strip of second, be equipped with the measuring tape around the device main part upper portion, the one end of measuring tape with the left side of the curved strip of second is connected, the other end fixedly connected with card post of measuring tape.
Preferably, the top fixedly connected with first connecting block of device main part, first connecting block with first curved strip fixed connection, the top fixedly connected with second connecting block of spout, the second connecting block with second curved strip fixed connection.
Preferably, the top of the elastic band is fixedly connected with a magic tape.
Preferably, the sliding block is in threaded connection with the screw.
Preferably, the second bending bar and the measuring tape are made of soft but inelastic materials.
Preferably, a mounting plate is mounted at the bottom of the device body.
Compared with the prior art, the utility model has the beneficial effects that:
The utility model can be detached and connected through the clamping column and the limiting hole structure, does not need to pass through the foot, is convenient to use, slightly lifts the leg part of a tested person, enables the bottom of the leg part to pass through the device main body, the first bending strip and the second bending strip, enables the sliding block to move leftwards, and the measuring belt and the second bending strip wrap the leg part and are in close contact with each other.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown.
Referring to fig. 1-4, the present utility model provides a technical solution: a positioning leg circumference measuring device comprises a device main body 1, wherein the leg of a tested person is slightly lifted when the device main body 1 is inserted into the lower part, a sliding groove 4 is formed in the front and back of the top of the device main body 1, a sliding block 401 is slidably connected in the middle of the sliding groove 4, the sliding block 401 can slide in the sliding groove 4, a measuring belt 302 is pulled, a limiting hole 402 is formed in the top of the sliding block 401, the size of the limiting hole 402 is matched with that of a clamping column 303, the middle parts of the limiting hole 402 and the clamping column 303 are magnetic, after the clamping column 303 is contacted, the clamping column 303 is automatically adsorbed, the clamping column 303 cannot fall off under the condition of not receiving other external force, a motor 403 is arranged on the right side surface of the inner wall of the device main body 1, an output shaft of the motor 403 is fixedly connected with a screw 404, when the motor 403 rotates, the screw 404 rotates, the sliding block 401 is moved left and right, one side of the screw 404 far away from the motor 403 is rotationally connected with the device main body 1, the screw 404 is prevented from loosening, an infrared distance meter 405 is arranged on the right side surface of the inner wall of the device main body 1, the infrared distance meter 405 sends out a signal, returns after contacting the sliding block 401, and can calculate the distance according to time and speed, the top of the device main body 1 is provided with a first bending strip 201, the first bending strip 201 contacts with the bottom of the leg of a tested person, the device is soft, the two sides of the first bending strip 201 are fixedly connected with elastic bands 202, the elastic bands 202 can fix the device and the leg of the tested person, the top of a sliding groove 4 is provided with a second bending strip 301, the front side second bending strip 301 contacts with the thigh of the tested person, the rear side second bending strip 301 contacts with the shank of the tested person, the upper part of the device main body 1 is provided with a measuring strip 302 back and forth, one end of the measuring strip 302 is connected with the left side of the second bending strip 301, the measuring strip 302 and the second bending strip 301 are wound around the thigh or the shank, the other end of the measuring strip 302 is fixedly connected with a clamping column 303, when the sliding block 401 is matched with the sliding groove 4 for measurement, the sliding block 401 moves leftwards, the limiting hole 402 moves, the clamping column 303 fixed with the sliding block moves, the measuring belt 302 is tensioned, and when the sliding block cannot be pulled, measurement can be performed.
The top of the device main body 1 is fixedly connected with a first connecting block 2, the first connecting block 2 is fixedly connected with a first bending strip 201, the bottom of the leg of a tested person is contacted with the first bending strip 201, the top of the sliding chute 4 is fixedly connected with a second connecting block 3, the second connecting block 3 is fixedly connected with a second bending strip 301, the front side second bending strip 301 is contacted with the thigh of the tested person, and the rear side second bending strip 301 is contacted with the shank of the tested person.
Wherein, the top fixedly connected with magic tape 203 of elastic band 202, when measuring, pulling magic tape 203, elastic band 202 is elongated, will be surrounded by testee's shank middle part, and laminating left and right sides magic tape 203 is fixed elastic band 202, and elastic band 202 is the Y type with magic tape 203, and the magic tape 203 of laminating back front and back side is difficult for taking place to remove in the front and back side of joint protrusion, and the laminating is more stable.
Wherein, slider 401 is connected with screw 404 screw thread, and when screw 404 rotates, slider 401 moves left and right.
The second bending strip 301 and the measuring strip 302 are made of soft but inelastic materials, and the inelastic second bending strip 301 and the measuring strip 302 can avoid being elongated during measurement, so that errors of measurement results are avoided, and judgment results are affected.
Wherein, the mounting plate 101 is installed to the bottom of device main part 1 for the protection of internal components, and when damaging, the mounting plate 101 can be maintenance of tearing open.
Working principle: when the device is used, the elastic band 202 and the measuring band 302 are laid flat, the leg part of a tested person is lifted slightly, the lower part of the leg can pass through the device main body 1, the first bending bar 201 and the second bending bar 301, the front side second bending bar 301 is contacted with the thigh of the tested person, the rear side second bending bar 301 is contacted with the lower leg of the tested person, after the device main body 1 is placed under the leg, the magic tape 203 is pulled, the elastic band 202 is stretched to surround the middle part of the leg of the tested person, the left and right magic tapes 203 are attached, the elastic band 202 is fixed, the measuring band 302 is pulled, the clamping post 303 is clamped into the limiting hole 402, the motor 403 is started, the screw 404 is rotated, the sliding block 401 is moved leftwards, at the moment, the measuring band 302 and the second bending bar 301 encircle the leg and are tightly contacted, when the sliding block cannot be pulled, the motor 403 stops rotating, the infrared distance meter 405 sends a signal, the distance can be calculated according to time and speed, after the use is completed, the leg 403 is reversely rotated, the sliding block 303 is loosened, and the clamping post is taken down.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the principles of the utility model, the scope of which is defined in the appended claims and their equivalents.