Portable joint motion range measuring instrument

Abstract

The utility model discloses a portable joint motion range measuring instrument, which belongs to the field of motion parameter measurement and detection and comprises a dial plate, the dial plate is semicircular, a center shaft is rotatably mounted at the center of the dial plate, and a joint auxiliary swing part is rotatably mounted on the outer side of the center shaft. A bottom plate perpendicular to the dial plate is fixedly mounted on the lower portion of the front end of the dial plate, angle scale marks arranged in an arc shape are arranged at the front end of the dial plate, a gasket is fixedly mounted in the middle of the upper end of the bottom plate, and the joint auxiliary swing part comprises a sleeve, a movable insertion rod and a movable block. A user can sleeve an arm needing to be measured on the inner side of the bandage at the front end of the joint auxiliary swing part, the joint is swung for measurement, comparison is carried out on the dial plate according to the swing position of the joint auxiliary swing part to achieve data acquisition of the joint motion range, and the measuring instrument adopts pure mechanical design and is long in service life.

Description

Technical Field

[0001] The utility model relates to the field of sports parameter measurement and detection, and more specifically, to a portable joint activity measuring instrument. Background Art

[0002] At present, when measuring the range of motion of a joint, it is usually measured around a single angle, that is, the starting angle or the ending angle is recorded first, and then the range of the range of motion of the joint is obtained through manual conversion. The tools used for measurement usually include general joint range of motion measuring rulers, electronic goniometers for measuring the angle of living joints, isokinetic training devices, etc.

[0003] China Patent Authorization Announcement No.: CN206261602U, provides a digital joint range of motion measuring instrument. This patent no longer relies on the subjective readings of the measurer, automatically displays the values ​​and the readings are more accurate; it is more convenient to output the joint range of motion results, and feedback the joint range of motion information through angle measurement; the required parts are inexpensive and compact, which is conducive to miniaturization; the Bluetooth function can be used to wirelessly upload the result data for subsequent analysis.

[0004] The above-mentioned joint range of motion measuring instrument automatically completes the reading of the measured angle by setting up a rotation angle sensor and a display screen. However, since a large number of electronic devices are installed in the measuring instrument, the measuring instrument cannot be used if any of its internal components is damaged after long-term use. Therefore, the measuring instrument has high usage costs and is inconvenient to repair. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the problems existing in the prior art, the purpose of the utility model is to provide a portable joint range of motion measuring instrument, which can be realized by setting a dial and a joint auxiliary pendulum. The user can put the arm to be measured on the inner side of the strap at the front end of the joint auxiliary pendulum, and swing the joint for measurement. The data of the joint range of motion can be obtained by comparing on the dial according to the swing position of the joint auxiliary pendulum. The measuring instrument adopts a purely mechanical design and has a long service life.

[0007] 2. Technical solution

[0008] To solve the above problems, the utility model adopts the following technical solutions.

[0009] A portable joint range of motion measuring instrument comprises a dial, which is semicircular in shape, a central axis is rotatably mounted at the center of the dial, a joint auxiliary pendulum is rotatably mounted outside the central axis, and a base plate vertically arranged on the dial is fixedly mounted at the lower front end of the dial.

[0010] Furthermore, the front end of the dial is provided with arc-shaped angle scale lines, and a gasket is fixedly installed in the middle of the upper end of the base plate.

[0011] Furthermore, the joint auxiliary ornament includes a sleeve, a movable rod and a movable block. The sleeve is installed on the outside of the central axis by a rotating connection. A limited slot is arranged on the upper end of the sleeve. The movable rod is movably inserted in the sleeve. The movable block is installed on the upper end of the movable rod by a fixed connection. Straps are fixedly installed on both sides of the movable block. Velcro mother stickers and Velcro child stickers are fixedly installed on the front and rear ends of the two straps respectively. The Velcro mother sticker and Velcro child sticker are adhesively connected.

[0012] Furthermore, limiting slots that penetrate the limiting slots are arranged on both sides of the limiting slots, and a plurality of clamping blocks are fixedly installed on the lower ends of both sides of the movable insertion rod. The shape of the clamping blocks is semicircular, and the material of the clamping blocks is silicone.

[0013] Furthermore, an anti-slip layer is provided at the rear end of the sleeve.

[0014] 3. Beneficial effects

[0015] Compared with the prior art, the advantages of the present invention are:

[0016] (1) This solution can be realized by setting a dial and a joint auxiliary pendulum. The user can put the arm to be measured on the inner side of the strap at the front end of the joint auxiliary pendulum and swing the joint for measurement. The data of the joint range of motion can be obtained by comparing the swing position of the joint auxiliary pendulum on the dial. The measuring instrument adopts a purely mechanical design and has a long service life.

[0017] (2) The elbow can be swung on the upper end of the gasket to help position the elbow joint and improve the comfort of the elbow. By setting an angle scale line on the front end of the dial, the user can quickly and accurately obtain angle data.

[0018] (3) The movable rod is movably inserted in the sleeve to assist the movable block in adjusting the length. The strap can be wrapped around the outer periphery of the user's arm, and the Velcro mother sticker and the Velcro child sticker are attached and connected to complete the fixed connection between the arm and the joint auxiliary pendulum. When the arm is swung, the joint auxiliary pendulum is swung synchronously for measurement.

[0019] (4) A plurality of card blocks are stuck in the limit groove to limit the movable insertion rod, which can effectively prevent the movable insertion rod from escaping from the sleeve. In addition, the card blocks made of silicone material can increase the friction of the card blocks, so that the movable insertion rod moves slowly. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a front side view of the measuring instrument in the utility model;

[0021] Figure 2 It is a cross-sectional view of the joint auxiliary ornament in the utility model;

[0022] Figure 3 It is a rear view of the joint auxiliary ornament in the utility model.

[0023] Description of the numbers in the figure:

[0024] 1. Dial; 10. Angle scale line; 2. Bottom plate; 3. Gasket; 4. Center axis; 5. Joint auxiliary ornament; 51. Sleeve; 511. Limiting slot; 512. Limiting slot; 513. Anti-slip layer; 52. Movable plug rod; 522. Block; 53. Movable block; 54. Strap; 541. Velcro mother sticker. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0026] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] Embodiment 1:

[0029] See also Figure 1A portable joint range of motion measuring instrument includes a dial 1, which is semicircular in shape, with a central axis 4 rotatably mounted at the center of the dial 1, a joint auxiliary pendulum 5 rotatably mounted on the outer side of the central axis 4, and a bottom plate 2 vertically arranged with the dial 1 fixedly mounted at the lower front end of the dial 1. First, the user can lay the arm flat on the bottom plate 2, and then connect the forearm with the joint auxiliary pendulum 5. Swinging the forearm can synchronously drive the joint auxiliary pendulum 5 to rotate with the central axis 4 as the center, and obtain the range of motion data by checking the swing position of the joint auxiliary pendulum 5.

[0030] The front end of the dial 1 is provided with arc-shaped angle scale lines 10, and a gasket 3 is fixedly installed in the middle of the upper end of the base plate 2. When in use, the elbow can be swung on the upper end of the gasket 3 to help position the elbow joint and improve the comfort of the elbow. By providing the angle scale lines 10 at the front end of the dial 1, the user can quickly and accurately obtain angle data.

[0031] See also Figure 2 The joint auxiliary pendulum 5 includes a sleeve 51, a movable rod 52 and a movable block 53. The sleeve 51 is installed on the outside of the central axis 4 by a rotating connection. A limited slot 511 is arranged at the upper end of the sleeve 51. The movable rod 52 is movably inserted in the sleeve 51. The movable block 53 is installed on the upper end of the movable rod 52 by a fixed connection. Straps 54 are fixedly installed on both sides of the movable block 53. Velcro mother stickers 541 and Velcro child stickers are fixedly installed at the front and rear ends of the two straps 54 respectively. The Velcro mother sticker 541 and the Velcro child sticker are adhesively connected. When in use, the movable rod 52 is movably inserted in the sleeve 51 to assist the movable block 53 in adjusting the use length, and the strap 54 can be wrapped around the periphery of the user's arm, and the Velcro mother sticker 541 and the Velcro child sticker are adhesively connected to complete the fixed connection between the arm and the joint auxiliary pendulum 5, and the joint auxiliary pendulum 5 is swung synchronously when the arm is swung for measurement.

[0032] Limiting slots 512 that penetrate the limiting slots 511 are provided on both sides of the limiting slots 511, and multiple clamping blocks 522 are fixedly installed on the lower ends of both sides of the movable insertion rod 52. The clamping blocks 522 are semicircular in shape and made of silicone. When in use, multiple clamping blocks 522 are stuck in the limiting slots 512 to limit the movable insertion rod 52, which can effectively prevent the movable insertion rod 52 from detaching from the sleeve 51, and the clamping blocks 522 made of silicone can increase the friction of the clamping blocks 522, so that the movable insertion rod 52 moves slowly.

[0033] See also Figure 3 A non-slip layer 513 is provided at the rear end of the sleeve 51. When in use, the non-slip layer 513 contacts the surface of the dial 1 through the setting of the non-slip layer 513, which can increase the friction of the joint auxiliary pendulum 5 and prevent the joint auxiliary pendulum 5 from shaking arbitrarily and affecting the measurement results.

[0034] The working principle of the utility model is: first, the measuring instrument is placed at the position where it is needed, and then the user can spread the arm flat on the base plate 2, and swing the elbow on the upper end of the gasket 3 to help position the elbow joint and improve the comfort of the elbow, and then connect the forearm to the joint auxiliary pendulum 5, the strap 54 can be wrapped around the outside of the user's arm, and the Velcro mother patch 541 and the Velcro child patch are pasted and connected to complete the fixed connection between the arm and the joint auxiliary pendulum 5, and the joint auxiliary pendulum 5 is swung synchronously when the arm is swung for measurement, and the activity data is obtained by checking the swing position of the joint auxiliary pendulum 5.

[0035] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A portable joint range of motion measuring instrument, comprising a dial (1), characterized in that: The dial (1) is in the shape of a semicircle. A central axis (4) is rotatably mounted at the center of the dial (1). A joint auxiliary pendulum (5) is rotatably mounted outside the central axis (4). A bottom plate (2) vertically arranged with the dial (1) is fixedly mounted at the lower front end of the dial (1). An arc-shaped angle scale line (10) is arranged at the front end of the dial (1). A gasket (3) is fixedly mounted at the middle of the upper end of the bottom plate (2). The joint auxiliary pendulum (5) comprises a sleeve (51), a movable insert rod (52) and a movable block (53). The sleeve (51) is mounted on the outside of the central axis (4) by a rotational connection method, a limited slot (511) is provided at the upper end of the sleeve (51), the movable insertion rod (52) is movably inserted in the sleeve (51), the movable block (53) is mounted on the upper end of the movable insertion rod (52) by a fixed connection method, and straps (54) are fixedly mounted on both sides of the movable block (53), and a Velcro mother patch (541) and a Velcro child patch are fixedly mounted on the front and rear ends of the two straps (54), respectively, and the Velcro mother patch (541) and the Velcro child patch are adhesively connected.

2. A portable joint range of motion measuring instrument according to claim 1, characterized in that: Both sides of the limiting slot (511) are provided with limiting slots (512) that penetrate the limiting slot (511), and the lower ends of both sides of the movable insertion rod (52) are fixedly mounted with a plurality of clamping blocks (522), the clamping blocks (522) are semicircular in shape, and the material of the clamping blocks (522) is silicone.

3. A portable joint range of motion measuring instrument according to claim 1, characterized in that: The rear end of the sleeve (51) is provided with an anti-slip layer (513).

Images