CN216907982U - A gripe dynamometer for evaluating and training - Google Patents
A gripe dynamometer for evaluating and training Download PDFInfo
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- CN216907982U CN216907982U CN202120451494.0U CN202120451494U CN216907982U CN 216907982 U CN216907982 U CN 216907982U CN 202120451494 U CN202120451494 U CN 202120451494U CN 216907982 U CN216907982 U CN 216907982U
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Abstract
The utility model discloses a grip dynamometer for evaluation and training, which comprises: an upper housing and a lower housing; are buckled with each other through detachable connection; the upper case includes: the charging device comprises an upper shell, a circuit board, a battery, a charging socket and an upper shell sealing cover; the lower casing includes: the lower shell, the lower shell cover and the pressure sensor; the upper shell sealing cover and the lower shell sealing cover are arranged oppositely, and a pressure transmission block is arranged in the middle of the upper shell sealing cover and the lower shell sealing cover; the upper shell sealing cover and the lower shell sealing cover are provided with corresponding through holes; the circuit of the pressure sensor passes through the through hole and is connected with the circuit board. The grip dynamometer provided by the utility model is detachably designed under the condition of meeting the requirement of portability, and is convenient for replacing parts; through the design of the pressure sensor and the circuit board, the accuracy of measuring the grip strength can be improved; the grip strength evaluation device meets the requirements of portability and daily use of grip strength evaluation, and is used as training equipment to effectively realize the integration of grip strength evaluation and training.
Description
Technical Field
The utility model relates to the technical field of grip gauges, in particular to a grip gauge for evaluating and training.
Background
The grip strength is an index reflecting the muscle strength of the forearm and hand of a human body, and indirectly reflects the muscle strength of the whole body. Researches show that the grip strength is closely related to health, and the method has important significance in the aspects of disease diagnosis, health promotion, disease risk prevention and the like. In the aspect of sports, the grip strength is a necessary measurement index of each age group in national physique monitoring once every five years in China, and the muscle strength condition of a human body can be known through the index, so that data support is provided for the formulation of a motion scheme. In the medical field, the grip strength has important significance for diagnosing and screening early diseases of adults, particularly middle-aged and elderly people, and experts or doctors can know the muscle conditions and the brought health problems through grip strength tests, so that bases are provided for early prevention and intervention of diseases.
For the public, the grip strength condition can be detected at home through the portable grip strength equipment, the physical condition and the health risk of the public can be known at any time, and the disease is prevented in the bud. The grip strength is tested through the grip dynamometer, and some existing grip strength testing equipment are large in size and have a display device, can directly display a measured value, but cannot be connected with a mobile phone application program, so that the grip strength value of a tester can be evaluated and interacted, and the grip strength testing equipment is not convenient to carry about due to large size and weight.
Although the other products are small, the precision of the sensor adopted in the product is low, the measurement range is small, the product belongs to a toy, the change of the grip strength can be tested, but the accuracy of the measured value is low, and the measured value cannot be used as a basis for evaluating the body of a tester.
Therefore, the existing products have defects, and a product which is small in size, light in weight, convenient to carry and capable of accurately measuring the holding power value of a tester is urgently needed, and the product can be connected with a mobile phone application program through Bluetooth communication to evaluate the holding power value of the tester and analyze health and interact between software and hardware.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a grip dynamometer for evaluation and training, which solves the problem of accuracy of a test value of the conventional portable grip evaluation equipment.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a grip dynamometer for evaluation and training, comprising: an upper housing and a lower housing; the upper shell and the lower shell are buckled together through detachable connection;
the upper case includes: the charging device comprises an upper shell, a circuit board, a battery, a charging socket and an upper shell sealing cover; the circuit board is fixed in a cavity formed by the upper shell and the upper shell sealing cover; one end of the charging socket is welded on the circuit board and is electrically connected with the battery; the battery supplies power to the circuit board; the other end of the charging socket is arranged on the outer surface of the upper shell; the upper shell sealing cover is sealed at the bottom of the upper shell;
the lower case includes: the lower shell, the lower shell cover and the pressure sensor; wherein the pressure sensor is fixed on the upper part of the lower shell, and the lower shell is sealed by the lower shell cover;
the upper shell sealing cover and the lower shell sealing cover are arranged oppositely, and a pressure transmission block is arranged in the middle of the upper shell sealing cover and the lower shell sealing cover; the upper shell sealing cover and the lower shell sealing cover are provided with corresponding through holes; and the line of the pressure sensor passes through the through hole and is connected with the circuit board.
Furthermore, a singlechip and a Bluetooth module are integrated on the circuit board; the single chip microcomputer is respectively connected with the pressure sensor and the Bluetooth module.
Furthermore, a battery charging management and battery power detection circuit connected with the single chip microcomputer is integrated on the circuit board.
Furthermore, the lower shell comprises two pressure sensors which are arranged in parallel;
two parallel pressure transmission blocks are arranged between the upper shell sealing cover and the lower shell sealing cover;
the two pressure sensors respectively correspond to the two pressure conduction blocks up and down.
Further, the outer surface of the upper shell and/or the lower shell is provided with a rubber oil coating.
Further, the outer surface of the upper shell is provided with a groove.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model provides a grip dynamometer for evaluating and training, which comprises: an upper housing and a lower housing; are buckled with each other through a detachable connection; the upper case includes: the charging device comprises an upper shell, a circuit board, a battery, a charging socket and an upper shell sealing cover; the lower casing includes: the lower shell, the lower shell cover and the pressure sensor; the upper shell sealing cover and the lower shell sealing cover are arranged oppositely, and a pressure transmission block is arranged in the middle of the upper shell sealing cover and the lower shell sealing cover; the upper shell sealing cover and the lower shell sealing cover are provided with corresponding through holes; the circuit of the pressure sensor passes through the through hole and is connected with the circuit board. The grip dynamometer provided by the utility model is detachably designed under the condition of meeting the requirement of portability, and is convenient for replacing parts; through the design of the pressure sensor and the circuit board, the accuracy of measuring the grip strength can be improved; the grip strength evaluation device meets the requirements of portability and daily use of grip strength evaluation, and is used as training equipment to effectively realize the integration of grip strength evaluation and training.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
In order to more clearly describe the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below. The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.
FIG. 1 is an overall block diagram of a grip dynamometer for evaluation and training provided by the utility model;
FIG. 2 is a functional diagram of a circuit board according to the present invention;
fig. 3 is a schematic diagram of a single chip microcomputer circuit.
In the figure: 1. an upper shell; 2. a circuit board; 3. a charging socket; 4. sealing the upper shell; 5. a pressure transmission block; 6. the lower shell is covered; 7. a lower case; 8. a pressure sensor.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Referring to fig. 1, the present invention provides a grip dynamometer for evaluation and training, including: an upper housing and a lower housing; the upper shell and the lower shell are buckled together through detachable connection; for example, the clamping legs can be buckled with the clamping tables; other means, such as by bolting, keyed interference, etc., may also be used; the connection can be conveniently disassembled, for example, the connection can be conveniently opened, and then the internal parts can be replaced.
Wherein, go up the casing and include: an upper case 1, a circuit board 2, a battery (not shown in the figure), a charging socket 3, and an upper case cover 4; the circuit board 2 is fixed in a cavity formed by the upper shell 1 and the upper shell sealing cover 4; one end of the charging socket 3 is welded on the circuit board 2 and is electrically connected with the battery; the battery supplies power to the circuit board 2; the other end of the charging socket 3 is arranged on the outer surface of the upper shell 1, and can be arranged on the side surface of the outer surface in specific implementation and cannot be touched when being held; the upper case cover 4 is sealed at the bottom of the upper case 1.
The above battery, preferably a rechargeable lithium battery, and the charging socket 3 may be any one of a miniUSB Type interface, a MIcro usb interface, a Type-c interface, a 30pin interface, and a lightning interface in the prior art.
The lower casing includes: a lower case 7, a lower case lid 6, and a pressure sensor 8; wherein, the pressure sensor is fixed on the upper part of the lower shell 1, and the lower shell 7 is sealed by a lower shell cover 6;
the upper shell sealing cover 4 and the lower shell sealing cover 7 are arranged oppositely, and the middle part is provided with a pressure transmission block 5; the upper shell sealing cover 4 and the lower shell sealing cover 7 are provided with corresponding through holes; the lines of the pressure sensor 8 are connected to the circuit board 2 through the through holes.
As shown in fig. 1, two pressure sensors 8 are fixed in parallel to the lower case 7, two pressure transmission blocks 5 are fixed in parallel to the lower case cover 4, and the two pressure sensors respectively correspond to the two pressure transmission blocks in the vertical direction. When the number of the holding devices is two, the error of the inclined holding can be avoided. When pressure is applied by hand, the upper shell 1 and the lower shell 7 bear pressure, and the pressure borne by the upper shell 1 is applied to the two pressure sensors 8 through the two pressure transmission blocks 5 fixed on the upper shell sealing cover 4. The pressure sensor 8 is a strain gauge type force sensor, and when the pressure sensor 8 is stressed and deformed, strain resistors on the pressure sensor linearly change along with the stress.
In one embodiment, the circuit board 2 is integrated with a single chip microcomputer and a bluetooth module; the singlechip is respectively connected with the pressure sensor 8 and the Bluetooth module. Further, a battery charging management and battery power detection circuit connected with the single chip microcomputer is integrated on the circuit board 2. Referring to fig. 2, a strain resistor on a pressure sensor 8 is connected into a measuring bridge circuit on a circuit board 2, a measuring bridge converts pressure changes into voltage changes, voltage output is converted into digital quantity through a digital-to-analog conversion circuit, the digital quantity is read by a single chip microcomputer, a grip value is obtained through calculation, the single chip microcomputer sends the read grip value to intelligent equipment such as a mobile phone or a tablet personal computer through a Bluetooth module, and the intelligent equipment performs statistical analysis on the grip value. The circuit board 2 is also provided with a battery charging management and battery power detection circuit (referring to the existing charging management and battery power detection technology in the existing market and in the field of electric automobiles or electric bicycles), and the single chip microcomputer sends the battery information state to the mobile phone for real-time display through Bluetooth.
In specific implementation, a single chip microcomputer of STC89C52 model can be selected, as shown in fig. 3, which is a schematic circuit diagram of the single chip microcomputer. The power consumption is low, and the efficiency is high. For example, if the bluetooth module is a TTL serial bluetooth module, the bluetooth module is connected to the TXD and RXD of the single chip microcomputer to communicate, and it is noted that the bluetooth module receives signals from the transmitting and receiving single chip microcomputer and the bluetooth module receives signals from the receiving single chip microcomputer. In addition, when selecting the singlechip of other models or other types bluetooth module, can be according to the corresponding connection of the instruction manual of its specific product can, this all belongs to prior art, and no longer repeated here.
For example, when the pressure sensor 8 is a strain gauge type pressure sensor, it can be connected to an I/O port of a single chip microcomputer, for example, a single chip microcomputer of type STC89C52 in fig. 4, and can be connected to an 8-level bidirectional arbitrary interface between P1.0 and P1.7.
Strain gage pressure sensors operate on the principle of resistive strain effects. The resistance strain gauge includes a metal strain gauge (a metal wire or a metal foil) and a semiconductor strain gauge. The measured pressure causes the strain gauge to generate strain. When the strain gauge generates compressive strain, the resistance value of the strain gauge is reduced; when the strain gauge generates tensile strain, the resistance value thereof increases. The resistance value of the strain gauge changes, and then a corresponding millivolt level potential output is obtained through a bridge circuit, the voltage output is converted into a digital quantity through a digital-to-analog conversion circuit, and the digital quantity can be read by a single chip microcomputer, or the voltage output is obtained through calculation of a fixed conversion formula by the single chip microcomputer, wherein the formulas involved in the calculation are all formulas in the prior art, and the formulas can be known by those skilled in the art when the single chip microcomputer is programmed; and need not be described in detail herein.
Furthermore, the outer surface of the upper shell can be provided with a rubber oil coating, the outer surface of the lower shell can also be provided with a rubber oil coating, and the outer surfaces of the upper shell and the lower shell can also be provided with the rubber oil coatings simultaneously, so that the rubber oil coating is antiskid and has comfortable holding feeling. In addition, when a user holds the grip dynamometer in one hand in the using process, except the thumb, other four fingers are all in contact with the upper shell, and four grooves can be formed in the outer surface of the upper shell to further improve the holding comfort, so that the grip dynamometer conforms to the ergonomics of hand holding.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. A grip dynamometer for evaluation and training, comprising: an upper housing and a lower housing; the upper shell and the lower shell are buckled together through detachable connection;
the upper case includes: the charging device comprises an upper shell, a circuit board, a battery, a charging socket and an upper shell sealing cover; the circuit board is fixed in a cavity formed by the upper shell and the upper shell sealing cover; one end of the charging socket is welded on the circuit board and is electrically connected with the battery; the battery supplies power to the circuit board; the other end of the charging socket is arranged on the outer surface of the upper shell; the upper shell sealing cover is sealed at the bottom of the upper shell;
the lower case includes: the lower shell, the lower shell cover and the pressure sensor; wherein the pressure sensor is fixed on the upper part of the lower shell, and the lower shell is sealed by the lower shell cover;
the upper shell sealing cover and the lower shell sealing cover are arranged oppositely, and a pressure transmission block is arranged in the middle of the upper shell sealing cover and the lower shell sealing cover; the upper shell sealing cover and the lower shell sealing cover are provided with corresponding through holes; and the line of the pressure sensor passes through the through hole and is connected with the circuit board.
2. The grip dynamometer for evaluation and training of claim 1, wherein a single chip microcomputer and a Bluetooth module are integrated on the circuit board; the single chip microcomputer is respectively connected with the pressure sensor and the Bluetooth module.
3. The grip dynamometer for evaluation and training of claim 2, wherein a battery charge management and battery power detection circuit connected with the single chip microcomputer is further integrated on the circuit board.
4. The grip dynamometer for evaluation and training of claim 1, wherein the lower housing includes two pressure sensors arranged in parallel;
two parallel pressure transmission blocks are arranged between the upper shell sealing cover and the lower shell sealing cover;
the two pressure sensors respectively correspond to the two pressure conduction blocks up and down.
5. The grip dynamometer for evaluation and training of claim 1, wherein an outer surface of the upper shell and/or the lower shell is coated with rubber oil.
6. The grip dynamometer for evaluation and training of claim 1, wherein the outer surface of the upper shell is grooved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120451494.0U CN216907982U (en) | 2021-03-02 | 2021-03-02 | A gripe dynamometer for evaluating and training |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120451494.0U CN216907982U (en) | 2021-03-02 | 2021-03-02 | A gripe dynamometer for evaluating and training |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216907982U true CN216907982U (en) | 2022-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120451494.0U Active CN216907982U (en) | 2021-03-02 | 2021-03-02 | A gripe dynamometer for evaluating and training |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216907982U (en) |
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2021
- 2021-03-02 CN CN202120451494.0U patent/CN216907982U/en active Active
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