CN202078319U - Skin muscular-tension measuring device - Google Patents

Skin muscular-tension measuring device Download PDF

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Publication number
CN202078319U
CN202078319U CN2011201122366U CN201120112236U CN202078319U CN 202078319 U CN202078319 U CN 202078319U CN 2011201122366 U CN2011201122366 U CN 2011201122366U CN 201120112236 U CN201120112236 U CN 201120112236U CN 202078319 U CN202078319 U CN 202078319U
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CN
China
Prior art keywords
hand
linear bearing
outer housing
muscle
measuring stick
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Expired - Fee Related
Application number
CN2011201122366U
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Chinese (zh)
Inventor
方礼明
张军
胡磊
葛锐
胡宁
刘志明
郭娜
杨艳
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Beihang University
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Beihang University
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Priority to CN2011201122366U priority Critical patent/CN202078319U/en
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Publication of CN202078319U publication Critical patent/CN202078319U/en
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Abstract

The utility model discloses a skin muscular-tension measuring device, which comprises a pressure sensor, a spring, a differential transformer, an interior upper support board, an interior upper linear bearing, an interior lower linear bearing, a sealing bottom cover, a handheld outer shell, a measuring rod, a manual pressing handle and a base. The pressure sensor is used for measuring the pressure born by muscle, the spring is used for restoring the initial position of the measuring rod, and the differential transformer is used for measuring the compressional displacement value of the muscle under the pressure; the interior upper support board, the interior upper linear bearing, the interior lower linear bearing and the sealing bottom cover are used for ensuring that the measuring rod does linear movement; the measuring rod is used for applying pressure value for the muscle; the manual pressing handle is used for applying acting force for the measuring rod; the base is the standard of measuring the muscle moving displacement under the pressure; and the handheld outer shell is the frame of the device. The skin muscular-tension measuring device utilizes the differential transformer and the pressure sensor to measure the displacement value and the pressure value of the muscle movement under the pressure and also utilizes the slope of the ratio curve of the pressure value and the displacement value to quantitatively measure the tension degree of the muscle.

Description

A kind of skin muscular tension measuring device
Technical field
This utility model relates to a kind of skin muscular tension measuring device, be used in after the strenuous exercise or relaxation treatment such as massage after, detect the tensioning degree and the recovery situation of muscle.
Background technology
Muscle is the important component part of human body, under the control of nerve, can shrink produce motion by the active of self, thereby realizes the effect of environment to external world and external object.
Muscle can produce once and shrink after accepting once suitable stimulation, after of short duration contraction, and diastole immediately.And the size of muscle contraction reaction depends on the stimulus intensity to him.A little less than stimulating too, can not bring out reaction.Along with the increase of stimulus intensity, contractile response increases gradually, and after stimulus intensity surpassed threshold value, muscle can only produce faint reaction.
The muscle pro-once stimulates before the contractile response disappearance of generation, and accepting stimulates for the second time, and the effect of generation will superpose, and can produce bigger muscle tone.The frequency that stimulates is high more, and the muscle tone of generation will be big more.When frequency was sufficiently high, it is maximum that the tension force of muscle reaches, and at this time, muscle tone no longer changes with frequency, enters the muscle spasm state.Therefore, people are after strenuous exercise, and in order to increase the control of human body to muscle, often by methods such as massages, diastole human muscle's tension force makes muscle can accept to stimulate control sensitively.Therefore, measuring the tensioning degree of muscle, is the effective ways whether assessment muscle diastole degree produces a desired effect.
The traditional method that people assess the muscle tension degree is: according to the position difference of tested muscle, measurand is in different test attitudes, and the tester by virtue of experience utilizes finger to being affectedly bashful of tested muscle, and experiences and assess the tensioning degree of tested muscle.This method is subject to experienced tester, does not have unified standard.
Summary of the invention
The purpose of this utility model is in order to solve traditional muscle tension Tachistoscope method to the empirical dependence of tester, the tensioning degree of qualitative assessment muscle.Provide a kind of differential transformer and pressure transducer of utilizing to measure distance and force value that the muscle pressurized moves, to measure the muscular tension measuring device of muscle tension degree.
A kind of skin muscular tension measuring device of the present utility model comprises linear bearing on pressure transducer, spring, differential transformer, inner upper backup pad, the inside, interior subordinate's linear bearing, sealing bottom, hand-held outer housing, measuring stick, hand pressure handle, pedestal and control box;
Hand pressure handle is positioned at the hand-held vertical outside of outer housing, passes the hand-held vertical through hole of outer housing, constitutes matched in clearance with hand-held outer housing; Pressure transducer is positioned at the hand-held vertical inside of outer housing, connects measuring stick and hand pressure handle; Spring housing is in the periphery of hand pressure handle, and between hand pressure handle and hand-held outer housing, an end connects hand pressure handle, and the other end connects hand-held outer housing; On the inside linear bearing be enclosed within measuring stick peripheral constitute be slidingly matched, inner upper backup pad is enclosed within inner periphery of going up linear bearing and constitutes interference fit, inner upper backup pad and hand-held outer housing are consolidated, differential transformer is positioned at the lower end of inner upper backup pad, be enclosed within the measuring stick periphery, the magnetic core and the measuring stick of differential transformer inside are consolidated, the differential transformer bottom is connected on the sealing bottom and is consolidated with it, interior subordinate's linear bearing is enclosed within the peripheral formation of measuring stick and is slidingly matched, the periphery of subordinate's linear bearing constituted interference fit in the sealing bottom was enclosed within, hand-held outer housing lower end connects the sealing bottom and is consolidated, the also fixedly connected pedestal of hand-held outer housing, measuring stick passes sealing bottom and pedestal and its formation matched in clearance, and pressure transducer is connected control box with differential transformer by lead.
Advantage of the present utility model is:
This device is to utilize measuring stick that tested muscle is applied certain active force, measures shift value and the force value that the muscle pressurized moves by differential transformer and pressure transducer, quantitatively weighs the tensioning degree of muscle with the ratio curve of force value and shift value.
Description of drawings
Fig. 1: the sectional structure chart that is this utility model patent;
Fig. 2: the tomograph that is this utility model patent;
Fig. 3: the three dimensional structure profile that is this utility model patent;
Fig. 4: the tomograph that is the hand-held outer housing of this utility model patent;
Fig. 5: the three dimensional structure profile that is the hand-held outer housing of this utility model patent;
Fig. 6: the tomograph that is the differential transformer of this utility model patent;
Fig. 7: the three dimensional structure profile that is the differential transformer of this utility model patent;
Fig. 8: the tomograph that is the sealing bottom of this utility model patent;
Fig. 9: the three dimensional structure profile that is the sealing bottom of this utility model patent;
Figure 10: the tomograph that is the inside upper backup pad of this utility model patent;
Figure 11: the tomograph that is the measuring stick of this utility model patent.
Figure 12: the tomograph that is the pedestal of this utility model patent.
Figure 13: the three dimensional structure profile that is the pedestal of this utility model patent.
Figure 14: the tomograph that is the hand pressure handle of this utility model patent.
Among the figure:
1-pressure transducer 2-spring 3-differential transformer
Subordinate's linear bearing in the linear bearing 6-on the inner upper backup pad 5-of the 4-inside
The hand-held outer housing 9-measuring stick of 7-sealing bottom 8-
10-lead 11-control box 12-computer
13-hand pressure handle 14-pedestal
301-magnetic core 302-magnetic conductive shell 303-primary coil
The 304-first secondary coil 305-second subprime coil 306-through hole
The 401-bearing block
701-bearing block 702-through hole
801-guidewire port 802-installing hole 803-curved surface
The 804-through hole
The 901-gage outfit
1301-handle 1302-last item
1401-through hole 1402-cavity
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
This utility model is a kind of skin muscular tension measuring device, as Fig. 1, Fig. 2, shown in Figure 3, comprise linear bearing 5 on pressure transducer 1, spring 2, differential transformer 3, inner upper backup pad 4, the inside, interior subordinate's linear bearing 6, sealing bottom 7, hand-held outer housing 8, measuring stick 9, control box 11, computer 12, hand pressure handle 13 and pedestal 14.
Hand pressure handle 13 is positioned at hand-held outer housing 8 vertical outsides, passes hand-held outer housing 8 vertical through holes 804, constitutes matched in clearance with hand-held outer housing 8; Pressure transducer 1 is positioned at hand-held outer housing 8 vertical inside, connects measuring stick 9 and hand pressure handle 13; Spring 2 is enclosed within the periphery of hand pressure handle 13, and between hand pressure handle 13 and hand-held outer housing 8, an end connects hand pressure handle 13, and the other end connects hand-held outer housing 8; On the inside linear bearing 5 be enclosed within measuring stick 9 peripheral constitute be slidingly matched, inner upper backup pad 4 is enclosed within inner periphery of going up linear bearing 5 and constitutes interference fit, inner upper backup pad 4 is consolidated with hand-held outer housing 8, differential transformer 3 is positioned at the lower end of inner upper backup pad 4, be enclosed within measuring stick 9 peripheries, the magnetic core 301 and the measuring stick 9 of differential transformer 3 inside are consolidated, differential transformer 3 bottoms are connected on the sealing bottom 7 and are consolidated with it, interior subordinate's linear bearing 6 is enclosed within measuring stick 9 peripheral formations and is slidingly matched, the periphery of subordinate's linear bearing 6 constituted interference fit in sealing bottom 7 was enclosed within, hand-held outer housing 8 lower ends connect sealing bottom 7 and are consolidated, the hand-held also fixedly connected pedestal 14 of outer housing 8, pedestal 14 lower ends are provided with a circular cavity 1402, measuring stick 9 passes sealing bottom 7 and pedestal 14 and its formation matched in clearance, the external part of measuring stick 9 is arranged in cavity 1402, and pressure transducer 1 is connected control box 11 with differential transformer 3 by lead 10.
The tester applies perpendicular to the downward pressure of skin hand pressure handle 13, thereby measuring stick 9 is stretched out by cavity 140214, be close to tested muscle position and it is applied certain active force, control box 11 is gathered pressure transducer 1 and is measured force value F and the muscle compression displacement value L of differential transformer 3 under force value F effect that muscle bears, force value and the shift value that collects carried out processing of circuit and analog-to-digital conversion, obtain the force value and the shift value of data volume, obtain the ratio curve of force value F and muscle compression displacement value L, quantitatively weigh the tensioning degree of muscle with the ratio curve of force value F and muscle compression displacement value L, slope of a curve is big more to show that the tensioning degree of skin muscular tension is severe more.Control box 11 also can carry out communication by serial ports and computer 12, convenient processing to measured value.
Hand-held outer housing 8 is as Fig. 4, shown in Figure 5, be used for supporting the miscellaneous part of measuring device, the outside is a curved surface 803, is fit to controlling of staff, and is provided with guidewire port 801 on the top of hand-held outer housing 8, lead 10 is by guidewire port 801, so that the power supply of the output of signal, pressure transducer 1 and differential transformer 3, the bottom of hand-held outer housing 8 is provided with installing hole 802, is used for installing sealing bottom 7, the top of hand-held outer housing 8 is provided with through hole 804, so that the last item of hand pressure handle 13 passes.
Differential transformer 3 is as Fig. 6, shown in Figure 7, by magnetic core 301, magnetic conductive shell 302, primary coil 303, identical first secondary coil 304 of parameter and second subprime coil 305 are formed, magnetic conductive shell 302 tops and bottom all are provided with through hole 306, be used to pass measuring stick 9, magnetic core 301, primary coil 303, first secondary coil 304, second subprime coil 305 is positioned at magnetic conductive shell 302, primary coil 303 is positioned at spool 301 peripheries, first secondary coil 304 and second subprime coil 305 lay respectively at the upside and the downside of primary coil 303, first secondary coil 304 and the series connection of second subprime coil 305 reversed polarity, when alternating voltage being provided for primary coil 303, first secondary coil 304 and second subprime coil 305 all have magnitude of voltage, but because magnetic core is positioned at the centre position, the voltage that first level and second subprime coil produce equates, so placed in-line first secondary coil 304 of reversed polarity and second subprime coil 305 output voltage values are zero, magnetic core 301 is consolidated with measuring stick 9.
Sealing bottom 7 is as Fig. 8, shown in Figure 9, and there is linear axis bearing 701 inside, is provided with the linear bearing installing port, also establish with through hole 702 bottom, and interior subordinate's linear bearing 6 is positioned at the linear bearing installing port, moves with the straight line that guarantees measuring stick 9, reduce the frictional force in moving, and seal this device.
Inner upper backup pad 4 as shown in figure 10, there is linear axis bearing 401 inside, is provided with the linear bearing installing port, linear bearing 5 is positioned at the linear bearing installing port the inside on, to guarantee the rectilinear motion of measuring stick 9, the frictional force during minimizing is mobile.
Measuring stick 9 as shown in figure 11, the external part of measuring stick 9 is provided with gage outfit 901, gage outfit 901 is made up of thicker conical head, foward dome design prevents to injure skin, is used for muscle is applied active force, and is got in position and strength transmission.
Pedestal 14 as shown in Figure 12 and Figure 13, inside is provided with through hole 1401 and cavity 1402, wherein through hole 1401 is convenient to measuring stick 9 and is passed, cavity 1402 is given the certain free extendable room of muscle, improves the precision of measuring.
Hand pressure handle 13 as shown in figure 14, end is a handle 1301, makes things convenient for the tester that it is exerted pressure, and handle 1301 connects last item 1302, the other end of last item 1302 connects pressure transducer 1, and last item 1302 is used for the pressure that handle 1301 is subjected to is passed to measuring stick 9 and muscle.
Wherein: pressure transducer 1 is used for measuring the pressure size that muscle bears; Spring 2 is used for recovering the initial position of measuring stick 9; Differential transformer 3 is used for measuring muscle compression displacement value under pressure; Inner upper backup pad 4, linear bearing 5 on inside, and interior subordinate's linear bearing 6 seals bottom 7 and is used for guaranteeing that measuring stick 9 does rectilinear motion, and wherein the linear bearing coefficient of friction is little, certainty of measurement that can the pressurize value; Measuring stick 9 contact skins are used for applying different force value to muscle; Hand pressure handle 13 is to be used for applying active force to measuring stick 9, thereby makes measuring stick 9 can contact skin, applies different pressure to muscle; Pedestal 14 is to measure the muscle benchmark of moving displacement under pressure; Hand-held outer housing 8 is frameworks of whole device, is used for supporting above each part, people from aspect hand operated simultaneously.
Work process: when the tester applies perpendicular to the downward pressure of skin to hand pressure handle 13, pressure can be applied on the muscle by pressure transducer 1 and measuring stick 9, when measuring stick 9 is mobile under pressure, magnetic core 301 is along with moving, make first secondary coil 304 produce different magnitudes of voltage with second subprime coil 305, the reversed polarity series connection is output as the differential values of two secondary voltages, linear with moving displacement, thereby can obtain the moving displacement value of measuring stick 9, and then obtain muscle compression displacement value under pressure.Meanwhile, the force value of impelling muscle to move is recorded by pressure transducer 1, pressure transducer 1 connects hand pressure handle 13 and measuring stick 9, be used for measuring the force value that muscle bears measuring stick 9, with common position and the force measurement devices of forming a precision of differential transformer 3, the ratio slope of a curve of measuring the muscle compression position value L under the corresponding pressure F effect that force value F that muscle bears and differential transformer 3 measure by pressure transducer 1 is quantitatively weighed the tensioning degree of muscle.Wherein force value F and compression displacement value L are realized measuring and showing that control box 11 is shown to ratio curve and slope size on the display screen, so that operator's comparison and record by the circuit in the control box 11.And control box 11 has certain interface, can realize serial communication with computer 12, convenient processing and utilization to measured value.

Claims (8)

1. skin muscular tension measuring device, it is characterized in that, comprise linear bearing on pressure transducer, spring, differential transformer, inner upper backup pad, the inside, interior subordinate's linear bearing, sealing bottom, hand-held outer housing, hand pressure handle, pedestal, measuring stick and control box;
Hand pressure handle is positioned at the hand-held vertical outside of outer housing, passes the hand-held vertical through hole of outer housing, constitutes matched in clearance with hand-held outer housing; Pressure transducer is positioned at the hand-held vertical inside of outer housing, connects measuring stick and hand pressure handle; Spring housing is in the periphery of hand pressure handle, and between hand pressure handle and hand-held outer housing, an end connects hand pressure handle, and the other end connects hand-held outer housing; On the inside linear bearing be enclosed within measuring stick peripheral constitute be slidingly matched, inner upper backup pad is enclosed within inner periphery of going up linear bearing and constitutes interference fit, inner upper backup pad and hand-held outer housing are consolidated, differential transformer is positioned at the lower end of inner upper backup pad, be enclosed within the measuring stick periphery, the magnetic core and the measuring stick of differential transformer inside are consolidated, the differential transformer bottom is connected on the sealing bottom and is consolidated with it, interior subordinate's linear bearing is enclosed within the peripheral formation of measuring stick and is slidingly matched, the periphery of subordinate's linear bearing constituted interference fit in the sealing bottom was enclosed within, hand-held outer housing lower end connects the sealing bottom and is consolidated, the also fixedly connected pedestal of hand-held outer housing, measuring stick passes sealing bottom and pedestal and its formation matched in clearance, and pressure transducer is connected control box with differential transformer by lead.
2. a kind of skin muscular tension measuring device according to claim 1 is characterized in that, hand-held outer housing outside is a curved surface, and is provided with guidewire port on the top of hand-held outer housing, and the bottom is provided with installing hole, and the top is provided with through hole.
3. a kind of skin muscular tension measuring device according to claim 1, it is characterized in that, differential transformer is by magnetic core, magnetic conductive shell, primary coil, first secondary coil and second subprime coil are formed, magnetic conductive shell top and bottom all are provided with through hole, be used to pass measuring stick, magnetic core, primary coil, first secondary coil, the second subprime coil is positioned at magnetic conductive shell, primary coil is positioned at the magnetic core periphery, first secondary coil is identical with downside and parameter with the upside that the second subprime coil lays respectively at primary coil, first secondary coil and the series connection of second subprime coil reversed polarity, magnetic core is fixedlyed connected with measuring stick.
4. a kind of skin muscular tension measuring device according to claim 1 is characterized in that, there is the linear axis bearing sealing bottom inside, is provided with the linear bearing installing port, and the bottom is also established and used through hole, and interior subordinate's linear bearing is positioned at the linear bearing installing port.
5. a kind of skin muscular tension measuring device according to claim 1 is characterized in that there is the linear axis bearing inner upper backup pad inside, is provided with the linear bearing installing port, and linear bearing is positioned at the linear bearing installing port on the inside.
6. a kind of skin muscular tension measuring device according to claim 1 is characterized in that the external part of measuring stick is provided with gage outfit, and gage outfit is thicker conical head, and front end is a round end.
7. a kind of skin muscular tension measuring device according to claim 1 is characterized in that base interior is provided with through hole and cavity, and through hole is used to pass measuring stick, and the measuring stick external part is positioned at cavity.
8. a kind of skin muscular tension measuring device according to claim 1 is characterized in that, the hand pressure handle end is a handle, and handle connects last item, and the other end of last item connects pressure transducer.
CN2011201122366U 2011-04-15 2011-04-15 Skin muscular-tension measuring device Expired - Fee Related CN202078319U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201122366U CN202078319U (en) 2011-04-15 2011-04-15 Skin muscular-tension measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011201122366U CN202078319U (en) 2011-04-15 2011-04-15 Skin muscular-tension measuring device

Publications (1)

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CN202078319U true CN202078319U (en) 2011-12-21

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102125436A (en) * 2011-04-15 2011-07-20 北京航空航天大学 Device for measuring skin muscle tension
CN102835966A (en) * 2012-09-24 2012-12-26 王麟鹏 Device and method for measuring peripheral muscle tension of rat paw
CN103654729A (en) * 2013-12-12 2014-03-26 张军 Pressing pain mechanics tester

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102125436A (en) * 2011-04-15 2011-07-20 北京航空航天大学 Device for measuring skin muscle tension
CN102125436B (en) * 2011-04-15 2012-07-04 北京航空航天大学 Device for measuring skin muscle tension
CN102835966A (en) * 2012-09-24 2012-12-26 王麟鹏 Device and method for measuring peripheral muscle tension of rat paw
CN103654729A (en) * 2013-12-12 2014-03-26 张军 Pressing pain mechanics tester
CN103654729B (en) * 2013-12-12 2015-09-16 张军 A kind of tenderness mechanical test instrument

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111221

Termination date: 20140415