TWI408350B - Rod force measurement unit and device - Google Patents

Abstract

This invention relates to a unit and a device for measuring a force applied to a rod, including a rod having an axial rod installed inside which a force is applied, wherein each holding surfaces on the rod is installed with a sliding track, and a radial sensing unit is installed on the sliding track. The radial sensing unit is provided with a radial output unit, and a pressing block is installed on the radial sensing unit. Further, an axial sensing unit allocated against the axial rod to which a force is applied is fixed inside of the rod, and the axial sensing unit is provided with an axial output unit. The radial output unit and the axial output unit are connected to a processing unit. The processing unit is connected to database for measuring a radial grip force data and an axial grip force data generated by the fingers.

Description

Rod subjected to force measuring unit and device

The invention relates to a force measuring unit and device for a rod member, in particular to a radial sensing element and an axial sensing element respectively disposed on the rod body, and the radial direction and the axis generated by the energy measuring finger The grip strength data is used as the basis for correcting the grip strength of the finger.

At present, in general, for patients with diseases of the fingers, when the flexibility of the fingers is insufficient, it will affect various activities in daily life, such as writing, holding chopsticks, taking objects, etc., all of which will have an impact, so it is necessary to rely on The relevant instruments are corrected, but before the correction is performed, it is necessary to understand the grip strength of the finger before correcting.

However, there is currently no relevant detection device for finger grip strength, although there is a new type of M136463 "Pneumatic digital pen pressure detecting device" patent case announced on August 1, 1998, which mainly includes a hollow pen holder. And a pen head having an upper end portion and a lower end portion, and the pen tip is biased so that the lower end portion is normally protruded from one end of the pen holder. The pressure detecting device of the wireless digital pen comprises a circuit board, a pressure detecting unit, a comparison voltage generating unit, an arithmetic unit and a wireless transmitting unit. Wherein, the circuit board is disposed in the pen holder near the pressure detecting unit, and the circuit board has a The circuit mounting surface is perpendicular to the sheath and is provided with two electrical conductors. The conductive system is separated from each other, wherein one conductive system is coupled to the other end connected to the positive power supply resistor, and the other conductive system is grounded; The unit is disposed at the upper end portion of the pen tip, and when the lower end portion of the pen tip is pressed, the pressure detecting unit is in contact with the electric conductor such that a pressure voltage signal is across the pressure detecting unit; the comparison voltage generating unit includes a charging and discharging circuit unit generates a comparison voltage signal and compares the pressure voltage signal with the comparison voltage signal to generate a square wave signal; the computing unit calculates the width of the square wave signal to obtain a corresponding pressure value; the wireless transmitting unit is Used to send pressure values. However, this patent does not allow for the measurement of individual grip strength for each finger, and therefore cannot be corrected for each finger.

Therefore, in view of the fact that there is no suitable finger grip strength measuring device, the present invention provides a lever force measuring unit and device, which comprises: a rod body provided with a grip surface; At least one or more radial sensing elements are disposed on the gripping surface of the rod, the radial sensing element is coupled to the radial output member; and a pressing block is coupled to the radial sensing element .

The radial output member is a signal line.

An axial force receiving rod is disposed inside the rod body, and an axial sensing component is fixed to the inside of the rod body and abuts against the axial force receiving rod. The axial sensing component is provided with an axis. To the output.

The above axial output member is a signal line.

The axial force receiving rod protrudes from the rod body to form a writing end.

A sliding rail is disposed on the grip surface of the rod body, and the radial sensing component is provided with a slider, and the slider is disposed in the sliding rail to be in a tight fitting state.

The invention is also a lever member strength measuring device, comprising: a rod body provided with a grip surface; at least one radial sensing element is disposed on the grip surface of the rod body, The radial sensing element is coupled with a radial output member; a pressing block coupled to the radial sensing element; and a processing unit electrically coupled to the radial output member of the radial sensing element; A library that is connected to the processing unit.

The radial output member is a signal line.

An axial force receiving rod is disposed inside the rod body, and an axial sensing component is fixed to the inside of the rod body and abuts against the axial force receiving rod. The axial sensing component is provided with an axis. To the output.

The above axial output member is a signal line.

The axial force receiving rod protrudes from the rod body to form a writing end.

A sliding rail is disposed on the grip surface of the rod body, and the radial sensing component is provided with a slider, and the slider is disposed in the sliding rail to be in a tight fitting state.

The invention has the following advantages:

1. The present invention is characterized in that a radial sensing element is slid on a slide rail of each grip surface, and radial force application data of the finger can be measured.

2. The invention further provides an axial sensing component in the rod body for measuring the axial force of the finger, and can fully provide the grip data of the finger as the basis for correcting the grip strength of the finger.

(1)‧‧‧ rods

(11)‧‧‧Axial force rod

(111)‧‧‧ writing end

(12) ‧‧‧ Holding surface

(13)‧‧‧Slide rails

(2) ‧‧‧radial sensing components

(21)‧‧‧Axial output parts

(22)‧‧‧ Slider

(3) ‧‧‧ Pressing block

(4) ‧‧‧Axial sensing components

(41) ‧‧‧radial output

(5) ‧‧‧Processing unit

(6) ‧ ‧ database

(1A)‧‧‧‧

(12A) ‧‧‧ grip surface

(3A)‧‧‧ Pressing block

The first figure is a perspective view of the present invention.

The second drawing is a longitudinal sectional view of the rod body of the present invention.

The third figure is a transverse sectional view of the rod body of the present invention.

The fourth figure is an enlarged schematic view of a portion of the radial output member of the radial sensing element of the present invention.

The fifth figure is a schematic diagram of adjusting the sliding blocks of the respective pressing blocks to different positions according to the present invention.

The sixth figure is a schematic view of the present invention held by fingers on each pressing block.

The seventh figure is a schematic diagram of the invention exerting a radial force on a pressing block by a finger.

The eighth figure is a schematic view of the axial force applied to the axial sensing element during writing of the present invention.

The ninth figure is a schematic view showing a pressing block disposed on a rod body according to another embodiment of the present invention.

First, referring to the first figure and the second figure, the present invention is a rod-receiving unit including a rod body (1), a radial sensing element (2), and a pressing block (3). And an axial sensing element (4), wherein: The rod body (1) is hollow, and the rod body (1) is internally provided with an axial force receiving rod (11) protruding from the rod body (1) a writing end (111) is formed outside, and the outer edge of the front end of the rod body (1) is provided with three holding surfaces (12) corresponding to the thumb, the index finger and the middle finger respectively. Hold and use, and each of the grip surfaces (12) is provided with a slide rail (13) (as shown in the third figure).

a radial sensing element (2) slidably disposed on a sliding rail (13) of the rod body (1), the radial sensing element (2) being capable of measuring the pressure it is subjected to, and both There is a radial output member (21) for outputting signals (as shown in the fourth figure), the radial output member (21) can be a signal line, and each of the radial sensing elements (2) The two sides are provided with a slider (22), which can be set into the sliding rail (13) of the rod body (1), and is tightly fitted, so that the slider (22) can be used for the sliding rail. (13) After the internal slip and positioning, the invention can also be used for different measurement functions, and at least one radial sensing element (2) can be provided, so that the measurement can be performed only for a single finger.

Pressing the block (3), which is coupled to the radial sensing element (2), the pressing block (3) can be arranged to conform to the shape of the curved surface of the finger, so that the thumb, the index finger and the middle finger can be held. And apply force to the pressing block (3).

An axial sensing element (4) fixed to the inside of the rod body (1) and abutting against the end position of the axial force receiving rod (11), the axial sensing element (4) being pressed It is also possible to measure the pressure it is subjected to and to provide an axial output member (41) for outputting signals, which can be a signal line.

When measuring, as shown in the first figure, it is common to the radial output member (21) of the radial sensing element (2) and the axial output member (41) of the axial sensing element (4). Electrically connected to a processing unit (5), the processing unit (5) can be a computer, and the processing unit (5) is reconnected to a database (6), thereby forming a complete rod Strength measuring device.

The user can adjust the movement of each pressing block according to the position of the thumb, the index finger and the middle finger corresponding to each holding surface (12) of the rod body (1), as shown in the fifth figure. (3) The pressing block (3) can simultaneously drive the connected radial sensing element (2), and the slider (22) of the radial sensing element (2) can be used on the rod body (1) ) sliding in the slide rail (13) and using it in a tight fit state, so that the radial sensing element (2) can be slid in the slide rail (13) and positioned, thereby pressing the pressing block (3) Adjust to the appropriate position on the grip surface (12) of the rod body (1) for the different grip positions of the thumb, forefinger and middle finger of different users (as shown in Figure 6) Appropriately held on the pressing block (3) of each gripping surface (12) of the rod body (1) to measure the grip strength.

When starting the measurement, as shown in the first figure, the user can apply force to each pressing block (3) by using the thumb, the index finger and the middle finger respectively (as shown in the seventh figure), and the pressing block (3) can be utilized. The radial sensing element (2) connected thereto is radially biased, and after the radial sensing element (2) is stressed, the value after the force is transmitted through the radial output member (21) to The processing unit (5), the processing unit (5) records it and compares it with the data in the database (6) to understand the condition of the radial force, and simultaneously uses the thumb, the index finger and the middle finger. When writing with force, you can use the writing end (111) of the axial force rod (11) to simulate writing. The generated force (as shown in Figure 8), and the axial sensing element (4) exerts an axial force, and after the axial sensing element (4) is stressed, the value can be applied after the force is applied. It is transmitted to the processing unit (5) through the axial output member (41), and the processing unit (5) records it and compares it with the receipt data in the database (6) to understand the axial force application state. Combining the above-mentioned radial and axial grip force data comparison, the grip strength data related to each finger can be fully understood, and it is used as an evaluation and reference for correction.

Another embodiment of the present invention, as shown in the ninth figure, can be fixedly disposed on the grip surface (12A) of the outer edge of the rod body (1A) for the position of the thumb, the index finger and the middle finger respectively. Pressing the block (3A) is used as a direct force measurement.

However, the above description is only one of the preferred embodiments of the present invention, and the scope of the patent application and the contents of the description of the present invention are not limited thereto. All should still fall within the scope of protection covered by the scope of the patent application of the present invention.

(1)‧‧‧ rods

(11)‧‧‧Axial force rod

(111)‧‧‧ writing end

(12) ‧‧‧ Holding surface

(21)‧‧‧ Radial output

(3) ‧‧‧ Pressing block

(4) ‧‧‧Axial sensing components

(41)‧‧‧Axial output parts

Claims (10)

A lever member subjected to a force measuring unit, comprising: a rod body provided with a gripping surface, the sliding surface of the rod body is provided with a sliding rail; at least one or more radial sensing elements, The radial sensing component is connected to the radial output member, and the radial sensing component is further provided with a slider, and the slider is disposed in the sliding rail. a tight fit state; a pressing block attached to the radial sensing element. The rod member is subjected to the force measuring unit according to the first aspect of the patent application, wherein the radial output member is a signal line. The rod member is subjected to a force measuring unit according to the first aspect of the patent application, wherein an axial force receiving rod is disposed inside the rod body, and an axial sensing element is fixed to the inside of the rod body and abuts In the axial force receiving rod, the axial sensing element is provided with an axial output member. The rod member is subjected to the force measuring unit according to the third aspect of the patent application, wherein the axial output member is a signal line. The rod member is subjected to a force measuring unit according to the third aspect of the patent application, wherein the axial force receiving rod protrudes from the rod body to form a writing end. A lever member subjected to a force measuring device, comprising: a rod body provided with a gripping surface, the sliding surface of the rod body is provided with a sliding rail; at least one or more radial sensing elements, Set in the grip of the rod The radial sensing component is connected with a radial output member, and the radial sensing component is provided with a slider, the slider is disposed in the sliding rail in a tight fit state; a pressing block, The system is coupled to the radial sensing element; the processing unit is electrically connected to the radial output of the radial sensing element; and the database is coupled to the processing unit. The rod member is subjected to the force measuring device according to the sixth aspect of the patent application, wherein the radial output member is a signal line. The rod member is subjected to the force measuring device according to the sixth aspect of the invention, wherein the rod body is provided with an axial force receiving rod, and the axial sensing element is fixed inside the rod body and abuts In the axial force receiving rod, the axial sensing element is provided with an axial output member. The rod member is subjected to the force measuring device according to the eighth aspect of the patent application, wherein the axial output member is a signal line. The rod member is subjected to a force measuring device according to claim 8, wherein the axial force receiving rod protrudes from the rod body to form a writing end.