CN220001777U - Portable muscle strength measuring instrument - Google Patents
Portable muscle strength measuring instrument Download PDFInfo
- Publication number
- CN220001777U CN220001777U CN202321661025.7U CN202321661025U CN220001777U CN 220001777 U CN220001777 U CN 220001777U CN 202321661025 U CN202321661025 U CN 202321661025U CN 220001777 U CN220001777 U CN 220001777U
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- Prior art keywords
- pressure
- displacement
- rod
- movable sleeve
- testing
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- 210000003205 muscle Anatomy 0.000 title claims abstract description 24
- 238000006073 displacement reaction Methods 0.000 claims abstract description 56
- 238000012360 testing method Methods 0.000 claims abstract description 44
- 230000001360 synchronised effect Effects 0.000 claims abstract description 7
- 206010049816 Muscle tightness Diseases 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 239000011540 sensing material Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model discloses a portable muscle strength measuring instrument, which comprises a shell, a pressure testing component for testing the tension of muscles and a displacement testing component which is synchronous with the pressure testing component and is used for testing displacement; the pressure testing component comprises a pressure rod, a pressure sensor matched with the inner end surface of the pressure rod is arranged in the shell, and the outer end of the pressure rod is pressed on the skin; the displacement testing assembly comprises a displacement sensor and a movable sleeve, the outer end face of the movable sleeve is flush with the outer end face of the pressure rod, a reset spring is arranged on the pressure rod at the inner end of the movable sleeve, a deflector rod matched with the displacement sensor is arranged on the side wall of the movable sleeve, and a limiting assembly is arranged between the pressure rod and the movable sleeve. According to the utility model, by arranging the pressure sensor and the displacement sensor, the measurement of pressure displacement is realized while the tension of the muscle is tested, and the precision and the handling control of the tension test of the muscle are improved; by arranging the pressing block, the movable sleeve and the deflector rod, synchronous movement with the pressing rod is realized, and thus synchronous test of displacement and pressure is realized.
Description
Technical Field
The utility model relates to the technical field of rehabilitation, in particular to a portable muscle strength measuring instrument.
Background
The existing muscle strength measuring instrument usually adopts a hand-held type to measure the muscle strength through the hand-held strength, but the measured grip strength is not the real muscle tension, as the prior art discloses an utility model patent with the application number of CN201220550639.3 and the name of the hand-held type muscle strength measuring instrument, the hand-held type muscle strength measuring instrument measures the muscle strength through pressure sensors on two sides of a handle, the hand-held type muscle strength measuring instrument is basically the grip strength, and only the grip strength is measured, the measuring mode is single, and the measuring precision is low.
The utility model patent with the application number of CN201910845802.5, the name of muscle tension tester and the test method is also disclosed in the prior art, the tester is required to be connected with a PC end to display the pressure-displacement condition, the use is inconvenient, in addition, the displacement detection element and the pressure deformation element are arranged along the axis of the mounting column, and the whole structure is long-strip-shaped and is inconvenient to store. In addition, the tester has a complex internal structure and high maintenance cost.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the portable muscle strength measuring instrument which is reasonable in design, convenient to use, store and maintain and low in cost.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the portable muscle strength measuring instrument is characterized by comprising a shell, a pressure testing component for testing the strength of muscle tension and a displacement testing component which is synchronous with the pressure testing component and used for testing displacement, wherein the pressure testing component and the displacement testing component are both arranged in the shell;
the pressure testing assembly comprises a pressure rod penetrating through the shell, a pressure sensor matched with the inner end surface of the pressure rod is arranged in the shell, and the outer end of the pressure rod is pressed on the skin;
the displacement testing component comprises a displacement sensor arranged at one side of the pressure rod and a movable sleeve sleeved on the pressure rod, the outer end face of the movable sleeve is level with the outer end face of the pressure rod, a reset spring of the movable sleeve is arranged on the pressure rod at the inner end of the movable sleeve, a rotating shaft of the displacement sensor is arranged in parallel with the axis of the pressure rod, a deflector rod matched with the rotating shaft of the displacement sensor is arranged on the side wall of the movable sleeve, a limiting component is arranged between the pressure rod and the movable sleeve to prevent the movable sleeve from falling out of the pressure rod,
the shell is provided with a display screen, and the pressure sensor and the displacement sensor are connected with the display screen through a control center.
The technical problem to be solved by the utility model can also be solved by the following technical scheme that the outer end of the pressing rod is provided with a pressing block for enlarging the stressed area, the pressing block is connected with the pressing rod through threads, the pressing block is in a horn shape, the large end of the pressing block is outwards arranged, and the outer end face of the pressing block is flush with the outer end face of the pressing rod.
The technical problem to be solved by the utility model can also be realized by the following technical scheme that a limiting assembly is arranged between the pressure rod and the movable sleeve, the limiting assembly consists of a strip-shaped limiting hole arranged on the movable sleeve and a limiting bolt arranged in the strip-shaped limiting hole, the strip-shaped limiting hole is arranged along the axial direction of the pressure rod, and the limiting bolt is fixed on the pressure rod.
The technical problem to be solved by the utility model can be further solved by the following technical scheme that the shell is provided with a main body part and a portable part, the display screen is arranged on the main body part, the pressure test assembly and the displacement test assembly are arranged on the portable part side by side, the space is saved, and the miniaturization of the tester is realized.
The technical problem to be solved by the utility model can be also realized by the following technical scheme that the displacement sensor is a brushless waterproof dustproof displacement sensor.
Compared with the prior art, the utility model realizes the measurement of pressure displacement and improves the accuracy and the handling control of the test of the muscle tension while testing the muscle tension by arranging the pressure sensor and the displacement sensor; by arranging the pressing block, the movable sleeve and the deflector rod, synchronous movement with the pressing rod is realized, so that synchronous test of displacement and pressure is realized; by arranging the reset spring, the movable sleeve is reset, and repeated testing is realized.
Drawings
FIG. 1 is a block diagram of a portable muscle strength measuring instrument according to the present utility model;
FIG. 2 is a side view of FIG. 1;
fig. 3 is a top view of fig. 1.
In the figure: the device comprises a 1-shell, a 2-pressure sensor, a 3-reset spring, a 4-movable sleeve, a 5-pressing block, a 6-displacement sensor, a 7-display screen, an 8-pressing rod, a 9-deflector rod, a 10-limit bolt and an 11-long-strip-shaped limit hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1 to 3, a portable muscle force measuring instrument comprises a housing 1, a pressure testing component for measuring the magnitude of muscle tension, and a displacement testing component for measuring displacement in synchronization with the pressure testing component, wherein the pressure testing component and the displacement testing component are both installed in the housing 1;
the pressure testing assembly comprises a pressure rod 8 penetrating through the shell 1, a pressure sensor 2 matched with the inner end surface of the pressure rod 8 is arranged in the shell 1, and the outer end of the pressure rod 8 is pressed on the skin;
the displacement testing component comprises a displacement sensor 6 arranged on one side of a pressure rod 8 and a movable sleeve 4 sleeved on the pressure rod 8, wherein the outer end face of the movable sleeve 4 is flush with the outer end face of the pressure rod 8, a reset spring 3 of the movable sleeve 4 is arranged on the pressure rod 8 at the inner end of the movable sleeve 4, a rotating shaft of the displacement sensor 6 is arranged in parallel with the axis of the pressure rod 8, a deflector rod 9 matched with the rotating shaft of the displacement sensor 6 is arranged on the side wall of the movable sleeve 4, and a limiting component is arranged between the pressure rod 8 and the movable sleeve 4 to prevent the movable sleeve 4 from falling out of the pressure rod 8;
the shell 1 is provided with a display screen 7, the pressure sensor and the displacement sensor are connected with the display screen 7 through a control center, and the control center adopts any control system or control structure which is disclosed in the prior art and can display the muscle strength measurement; and the WIFI module is arranged on the control center, so that the control center is connected with the computer, and the data interaction between the sensor value and the computer is realized.
The briquetting 5 that is used for expanding area of force is installed to the depression bar 8 outer end, and briquetting 5 meets with the depression bar screw thread, makes things convenient for the dismouting, and the briquetting is loudspeaker form, and the briquetting large end sets up outwards, and the outer terminal surface of briquetting 5 and the outer terminal surface parallel and level of depression bar 8, when the depression bar top was on skin, the briquetting was also together by skin jack-up, measured pressure by the depression bar, measured displacement by briquetting and removal sleeve, under reset spring's effect, realize the automatic re-setting of briquetting, and the reset of depression bar is realized by pressure sensor. In addition, the pressing block is sleeved on the pressing rod through the movable sleeve, so that the space is saved, the miniaturization and the light weight of the tester can be realized, and the portable tester is convenient to carry.
A mounting seat for fixing the pressure sensor 2 and the displacement sensor 6 is provided in the housing 1.
A limiting component is arranged between the pressure rod 8 and the movable sleeve 4 and consists of a strip-shaped limiting hole 11 formed in the movable sleeve 4 and a limiting bolt 10 arranged in the strip-shaped limiting hole 11, the strip-shaped limiting hole 11 is arranged along the axis direction of the pressure rod 8, and the limiting bolt 10 is fixed on the pressure rod 8. The limiting component guarantees the installation stability of the movable sleeve 4 under the condition that the displacement of the movable sleeve 4 is not influenced, and the movable sleeve 4 is prevented from falling out of the compression bar 8. Therefore, the position of the limiting component is set according to the length of the reset spring and the position of the displacement sensor.
The shell 1 is provided with a main body part and a portable part, the display screen 7 is arranged on the main body part, the pressure testing component and the displacement testing component are arranged on the portable part side by side, so that the miniaturization of the tester is realized, and the tester is convenient to hold;
the displacement sensor 6 is a brushless waterproof dustproof displacement sensor, wherein the brushless waterproof dustproof displacement sensor is a KEP brushless waterproof dustproof displacement sensor produced by Mi Lang MIRAN, the outer shell of the KEP brushless waterproof dustproof displacement sensor adopts hard anodized aluminum, the inner part of the KEP brushless waterproof dustproof displacement sensor is composed of two carbon film substrates, and the two substrates are hollow and separated; the potentiometer conductive material processed by adopting the advanced screen printing technology and the process is adopted on the carbon film substrate, and the acquisition sensing material with low resistance value is printed on the acquisition carbon film foil right above the substrate; external force applied by the external position contact enables the sensing material of the acquisition diaphragm to be in contact with the conductive material of the potentiometer, so that a real-time displacement signal is generated.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The portable muscle strength measuring instrument is characterized by comprising a shell, a pressure testing component for testing the strength of muscle tension and a displacement testing component which is synchronous with the pressure testing component and used for testing displacement, wherein the pressure testing component and the displacement testing component are both arranged in the shell;
the pressure testing assembly comprises a pressure rod penetrating through the shell, a pressure sensor matched with the inner end surface of the pressure rod is arranged in the shell, and the outer end of the pressure rod is pressed on the skin;
the displacement testing assembly comprises a displacement sensor arranged on one side of the pressure rod and a movable sleeve sleeved on the pressure rod, the outer end face of the movable sleeve is level with the outer end face of the pressure rod, a reset spring of the movable sleeve is arranged on the pressure rod at the inner end of the movable sleeve, a rotating shaft of the displacement sensor is arranged in parallel with the axis of the pressure rod, a deflector rod matched with the rotating shaft of the displacement sensor is arranged on the side wall of the movable sleeve, and a limiting assembly is arranged between the pressure rod and the movable sleeve;
the shell is provided with a display screen, and the pressure sensor and the displacement sensor are connected with the display screen through a control center.
2. The portable muscle force measuring instrument according to claim 1, wherein a pressing block for enlarging the stress area is installed at the outer end of the movable sleeve, and the outer end face of the pressing block is flush with the outer end face of the pressing rod.
3. The portable muscle strength measuring instrument according to claim 2, wherein the pressing block is in a horn shape, the large end of the pressing block is arranged outwards, and the large end face of the pressing block is flush with the outer end face of the pressing rod.
4. The portable muscle strength measuring instrument of claim 1, wherein the housing is provided with a main body portion and a hand-held portion, the display screen is mounted on the main body portion, and the pressure testing assembly and the displacement testing assembly are mounted on the hand-held portion.
5. The portable muscle strength measuring instrument according to claim 1, wherein the limiting assembly comprises a long-strip-shaped limiting hole formed in the moving sleeve and a limiting bolt arranged in the long-strip-shaped limiting hole, the long-strip-shaped limiting hole is arranged along the axis direction of the pressing rod, and the limiting bolt is fixed on the pressing rod.
6. The portable muscle force measuring instrument of claim 1, wherein the displacement sensor is a brushless waterproof and dustproof displacement sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321661025.7U CN220001777U (en) | 2023-06-28 | 2023-06-28 | Portable muscle strength measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321661025.7U CN220001777U (en) | 2023-06-28 | 2023-06-28 | Portable muscle strength measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220001777U true CN220001777U (en) | 2023-11-14 |
Family
ID=88691555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321661025.7U Active CN220001777U (en) | 2023-06-28 | 2023-06-28 | Portable muscle strength measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220001777U (en) |
-
2023
- 2023-06-28 CN CN202321661025.7U patent/CN220001777U/en active Active
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