CN110464359A - Portable sitting body anteflexion tester and test method - Google Patents

Abstract

The invention discloses a portable sitting body forward bending tester in the field of sports equipment, which includes a box body, a slide bar is installed on the front of the box body, a slide block is slid on the slide bar, and a slide block is provided on the outer periphery of the slide block for the hand of the tester. The first edge is pushed, and the front of the box is equipped with a displacement adjustment mechanism. The displacement adjustment mechanism includes a front and rear displacement adjustment mechanism for realizing the front and rear movement of the slide bar and an up and down displacement adjustment mechanism for realizing the up and down movement of the slide bar. The bottom of the slider is installed There is a laser ranging probe, the end of the slider is processed with a second rib that matches the laser ranging probe, the transition between the front of the box and the top surface is processed with a third rib that extends forward from the top, and the middle of the third rib There is a gap for the slide bar to pass through, and the bottom surface of the third rib is provided with a proximity switch. The present invention solves the problem in the prior art that the subject often hits his head during the test by setting a displacement adjustment mechanism, thereby affecting the measurement results, so that The tester is more accurate in the test and can be used in the physical examination test.

Description

Portable sitting body forward bending tester and testing method

technical field

The invention relates to a sports testing instrument, in particular to a sitting body forward bending tester.

Background technique

The sitting and forward bending test is not only one of the sports test items in the senior high school entrance examination, but also a physical fitness test item for college students and middle school students. Its main purpose is to measure the possible range of motion of the trunk, waist, hip and other joints in a static state, and mainly reflect these parts. The extensibility and elasticity of joints, ligaments and muscles and the development level of body flexibility.

Disclosed in the prior art is a kind of sitting body forward bending tester, and its publication number is: CN 304838326 S, and its shortcoming is that, if the person under test is short in height during the test, it is easy to bump into the head during the test, thereby affecting Test accuracy. At the same time, the existing test methods all obtain data through manual reading, which is easy to cause errors and poor precision.

Contents of the invention

The purpose of the present invention is to provide a portable sitting body forward bending tester and testing method, which makes the sitting body forward bending test more accurate and precise, and the test is more convenient and quick.

The object of the present invention is achieved in the following way: a portable sitting body flexion tester includes a box body, a slide bar is installed on the front of the box body, a slide block is slidably arranged on the slide bar, and the outer periphery of the slide block is provided with The first rib for the tester to push by hand, the front of the box is equipped with a displacement adjustment mechanism, and the displacement adjustment mechanism includes a front and rear displacement adjustment mechanism for realizing the front and rear movement of the slide bar and an up and down displacement for realizing the up and down movement of the slide bar Adjusting mechanism, the bottom of the slider is equipped with a laser ranging probe, the end of the slider is processed with a second rib that matches the laser ranging probe, and the transition between the front and top of the box is processed with a top Facing the third rib extending forward, the middle part of the third rib is provided with a gap for the sliding rod to pass through, and the bottom surface of the third rib is provided with a proximity switch.

Compared with the prior art, the beneficial effect of the present invention is that the present invention solves the problem in the prior art that the testee often bumps his head during the test by setting the displacement adjustment mechanism, thereby affecting the measurement performance and making the testee more accurate during the test. Accurate; at the same time, the distance measurement through the laser distance measuring probe has higher accuracy and higher automation than the original manual reading method. The invention can be used in physical examination and testing.

As a further limitation of the present invention, the front of the box is provided with a groove, the front and rear displacement adjustment mechanism and the up and down displacement adjustment mechanism are arranged in the groove, and the front and rear displacement adjustment mechanism includes a connecting plate fixed in the groove , the tail of the connecting plate is fixedly installed with a reducer support seat, a reducer is installed on the reducer support seat, a first motor connected to the reducer is installed on the reducer, and the output shaft of the reducer passes through a coupling The transmission is connected with a ball screw assembly, and the two ends of the screw are respectively installed on the connecting plate through the support of the screw, and a bracket is fixedly installed on the screw nut. By setting the front and rear displacement adjustment mechanism, the front and rear displacement adjustment of the slider can be easily realized. When adjusting, you only need to control the first motor to work, and the power is transmitted to the screw through the reducer and the coupling. The rotation of the screw drives the screw nut along the screw. Axial movement, thereby driving the bracket to move forward and backward.

As a further limitation of the present invention, the up and down displacement adjustment mechanism is installed on the bracket, the up and down displacement adjustment mechanism includes a top plate and a bottom plate, the slide bar is fixedly installed on the top plate, and a A plurality of cross-arranged lifting plates, the lifting plates are hinged together through connecting shafts, and the connecting shafts are distributed between the top plate and the bottom plate in pairs of upper, middle and lower. The two ends of the connecting shaft are fixed on both sides of the top plate, and the two ends of the other connecting shaft are slidably arranged on both sides of the top plate. The two ends are slidingly arranged on both sides of the bottom plate, and the two sides of the bottom plate are correspondingly provided with chute, and a screw rod is installed between the two connecting shafts in the middle. One end of the screw rod is connected to one connecting shaft through two rings, and the other connecting shaft is threadedly connected to the screw rod. , through the rotation of the screw to adjust the distance between the two connecting shafts in the middle so as to adjust the distance between the top plate and the bottom plate to realize the adjustment of the up and down displacement, the motor support plate is also installed on the support plate, and the motor support plate is provided with a device that can move up and down The sliding second motor, the output shaft of the second motor is connected with the screw drive. When it works, the second motor transmits power to the screw, and the screw rotates to drive the up and down displacement adjustment mechanism to do up and down telescopic movements, and the second motor is movably installed on the motor support plate through bolts, so that when the up and down displacement adjustment mechanism does up and down telescopic movements The second motor can follow the screw to move up and down.

In order to ensure that the second motor can slide stably on the motor support plate, the middle part of the motor support plate is provided with a main slot hole through which the output shaft of the power supply passes and moves up and down, and corresponding openings for installing the second motor are provided on both sides of the main slot hole. The auxiliary slot holes are correspondingly provided with bolts for installing the second motor, and the bolts movably install the second motor on the motor support plate.

As a further limitation of the present invention, the laser distance measuring probe is installed on the bottom of the slider through an L-shaped plate, and a through hole coaxial with the laser distance measuring probe is opened on the first rib. This setting ensures the accuracy of ranging.

As a further limitation of the present invention, two pressure touch screens for the tester's fingers to touch are installed on the first sidewall, and a display screen is installed on the side of the box, and the display screen is equipped with a voice broadcast device. When testing in the prior art, when the tester is about to reach the limit position, he will use one hand to push the first edge forward, so that the test results are not accurate enough. Therefore, the present invention detects the pressure of both hands by setting a pressure touch screen. When a finger leaves the pressure touch screen, the data of the laser ranging probe at this time is recorded, thereby ensuring the accuracy of the test; at the same time, the test results can be voice broadcast and displayed on the display screen by setting a display screen equipped with a voice broadcast device.

In order to make the tester more comfortable to test, and the present invention is more convenient to carry, the transition between the back and the top surface of the box is processed with a fourth rib that extends upward from the back, and the top of the fourth rib is connected by a hinge that can be folded and extended. side, the side of the fourth rib is hinged with a foot ring plate for pressing the tester's legs, the fourth rib and the extended side are correspondingly provided with a waist-shaped hole for easy dragging, and the box body Four casters are installed at the bottom.

A sitting body forward bending test method, comprising the following steps:

1) Put down the sitting and forward bending tester, and expand the extension side;

2) The test subject sits on the extended side, adjusts the position of the displacement adjustment mechanism so that the slide bar is adjusted to the position where the test subject does not hit the head, and slides the first side to the end close to the test subject;

3) After the subject sits in a good position, use the foot ring pressure plate to fix the legs;

4) The subject touches the pressure touch screen with both hands to push the first side forward, and the first side drives the slider to slide along the slider;

5) The laser distance measuring probe installed at the bottom of the slider sends the measured distance data to the display screen, and the voice broadcast device broadcasts the data at the same time.

In order to make the test more convenient, the measurement method of the laser ranging probe in step 5) is as follows:

If the pushed first side passes through the proximity switch on the second side, when the proximity switch is triggered, record the distance a measured by the laser ranging probe, and after the first side stops moving, record the distance a measured by the laser ranging probe. distance b, then the test score of the subject at this time is: b-a;

If the pushed first side does not pass through the second side, cancel the data recorded by the laser ranging probe, and at the same time assist in pushing the first side through the proximity switch on the second side. When the proximity switch is triggered, Record the distance c measured by the laser distance measuring probe, slide the first side to the end close to the subject, and the subject pushes the first side again, and after the first side stops moving, record the distance of the laser distance measuring probe If the measured distance is d, then the score of the subject who is renamed at this time is: d-c.

In order to further improve the test accuracy, the distance measured by the laser distance measuring probe when the first side stops moving is based on the data measured by the laser distance measuring probe when any one of the two pressure touch screens loses pressure.

Description of drawings

Fig. 1 is a schematic diagram of the three-dimensional structure of the present invention.

Fig. 2 is a second schematic diagram of the three-dimensional structure of the present invention.

Fig. 3 is a schematic diagram of the front and rear displacement adjustment mechanism in the present invention.

Fig. 4 is a first schematic diagram of the vertical displacement adjustment mechanism in the present invention.

Fig. 5 is the second schematic diagram of the vertical displacement adjustment mechanism in the present invention.

Fig. 6 is a partially enlarged view of the laser distance measuring location in the present invention.

Fig. 7 is a schematic diagram of the three-dimensional structure of the box in the present invention.

Fig. 8 is a schematic diagram of the three-dimensional structure of the slider in the present invention.

Fig. 9 is a schematic diagram of the three-dimensional structure of the slider in the present invention.

Among them, 1 box body, 101 third rib, 102 fourth rib, 103 waist hole, 104 extended side 104 groove; 2 front and rear displacement adjustment mechanism, 201 connecting plate, 202a, 202b screw support, 203 wire Rod, 204 bracket, 205 screw nut, 206 coupling, 207 reducer support seat, 208 reducer, 209 first motor; 3 up and down displacement adjustment mechanism, 301 bottom plate, 302 top plate, 303a, 303b, 303c, 303d, 303e, 303f connecting shaft, 304 lifting plate, 305 screw, 306 motor support plate, 306a main slot hole, 306b auxiliary slot hole, 307 second motor, 308 ring; 4 slide rods, 401 first rib, 5 slide block , 501 second rib, 6 box cover, 7 foot ring pressure plate, 8 display screen, 9 casters, 10 laser ranging probe, 11 proximity switch, 12 pressure touch screen.

Detailed ways

A portable sitting body flexion tester as shown in Figure 1-9, including a box body 1, a slide bar 4 is installed on the front of the box body 1, a slider 5 is slid on the slide bar 4, and the outer periphery of the slider 5 is provided with a useful With the first rib 401 pushed by the tester, a displacement adjustment mechanism is installed on the front of the box body 1, and the displacement adjustment mechanism includes a front and rear displacement adjustment mechanism 2 for realizing the front and rear movement of the slide bar 4 and a mechanism for realizing the up and down movement of the slide bar 4. The upper and lower displacement adjustment mechanism 3, the laser distance measuring probe 10 is installed on the bottom of the slider 5, the end of the sliding rod 4 is processed with the second rib 501 matched with the laser distance measuring probe 10, the transition between the front and the top surface of the box body 1 A third rib 101 extending forward from the top surface is processed, a gap is provided in the middle of the third rib 101 for the slide rod 4 to pass through, a proximity switch 11 is provided on the bottom of the third rib 101, and the side of the box body 1 is hinged with a box cover6.

The front of the casing 1 is provided with a groove 105, and the front and rear displacement adjustment mechanism 2 and the up and down displacement adjustment mechanism 3 are arranged in the groove 105. The front and rear displacement adjustment mechanism 2 includes a connecting plate 201 fixed in the groove 105, and the connecting plate 201 Tail end is fixedly installed with reducer support seat 207, and reducer support seat 207 is equipped with reducer 208, and the first motor 209 that is connected with its transmission is installed on reducer 208, and the output shaft of reducer 208 is connected through shaft coupling 206 transmission. There is a ball screw 203 assembly, and the two ends of the screw 203 are installed on the connecting plate 201 through the screw supports 202a, 202b respectively, and the bracket 204 is fixedly installed on the screw nut 205 .

The up and down displacement adjustment mechanism 3 is installed on the bracket 204, the up and down displacement adjustment mechanism 3 includes a top plate 302 and a bottom plate 301, the slide bar 4 is fixedly installed on the top plate 302, and a plurality of intersecting lifting plates 304 are arranged between the top plate 302 and the bottom plate 301 , the lifting plates 304 are hinged together by connecting shafts 303a, 303b, 303c, 303d, 303e, 303f, and the connecting shafts 303a, 303b, 303c, 303d, 303e, 303f are connected between the top board 302 and the bottom board 301 by the upper, middle , distributed in twos at the bottom, the upper two connecting shafts 303e, 303f, the two ends of one connecting shaft 303e are fixed on both sides of the top plate 302, the two ends of the other connecting shaft 303f are slidingly arranged on both sides of the top plate 302, and the two sides of the top plate 302 are correspondingly provided with The two connecting shafts 303a and 303b at the bottom, the two ends of one connecting shaft 303a are fixed on both sides of the bottom plate 301, the two ends of the other connecting shaft 303b are slidably arranged on both sides of the bottom plate 301, and the two ends of the bottom plate 301 are correspondingly provided with chutes. Between the two connecting shafts 303c and 303d in the middle, there is a screw 305. One end of the screw 305 is connected to a connecting shaft 303c through two rings 308, and the other connecting shaft 303d is threadedly connected with the screw 305. The distance between the connecting shafts 303c, 303d thereby adjusts the distance between the top plate 302 and the base plate 301 to realize up and down displacement adjustment. The motor support plate 306 is also installed on the bracket 204. The motor 307, the output shaft of the second motor 307 is connected to the screw rod 305. The middle part of the motor support plate 306 is provided with a main slot 306a through which the output shaft of the power supply passes and moves up and down. The two sides of the main slot 306a are correspondingly provided with a second motor. The auxiliary slot 306b used for 307 is correspondingly provided with bolts for installing the second motor 307 in the auxiliary slot 306b, and the second motor 307 is movably installed on the motor support plate 306 by the bolts.

The laser distance measuring probe 10 is mounted on the bottom of the slider 5 through an L-shaped plate. A through hole coaxial with the laser distance measuring probe 10 is provided on the first sidewall 401, and two tester fingers are installed on the first sidewall 401. Touch the pressure touch screen 12, a display screen 8 is installed on the side of the box body 1, and the display screen 8 is equipped with a voice broadcast device. The top of the sidewall 102 is connected with a foldable extension side 104 through a hinge, and the side part of the fourth sidewall 102 is hinged with a foot ring pressing plate 7 for pressing the tester's legs. There are waist-shaped holes 103 that are convenient for dragging, and four casters 9 are installed on the bottom of the casing 1 .

A sitting body forward bending test method, comprising the following steps:

1) Put down the sitting and forward bending tester, and expand the extension side 104;

2) The test subject sits on the extended side 104, adjusts the position of the displacement adjustment mechanism so that the slide bar 4 is adjusted to a position where the test subject does not hit the head, and slides the first sidewall 401 to the end close to the test subject;

3) After the subject sits in a good position, use the foot ring plate 7 to fix the legs;

4) The subject touches the pressure touch screen 12 with both hands and pushes the first rib 401 forward, and the first rib 401 drives the slider 5 to slide along the slider 4;

5) The laser ranging probe 10 installed at the bottom of the slider 5 sends the measured distance data to the display screen 8 for display, and at the same time the voice broadcast device broadcasts the data. The measurement method is as follows:

If the first rib 401 that promotes passes through the proximity switch 11 on the second rib 501, when the proximity switch 11 is triggered, the distance a measured by the laser ranging probe 10 is recorded, and after the first rib 401 stops moving, record The distance b measured by the laser ranging probe 10, then the test score of the person to be tested is: b-a;

If the promoted first edge 401 does not pass through the second edge 501, then cancel the data recorded by the laser ranging probe 10, and simultaneously assist in promoting the first edge 401 to pass through the proximity switch 11 on the second edge 501 , when the proximity switch 11 is triggered, the distance c measured by the laser ranging probe 10 is recorded, and the first side 401 is slid to the end close to the subject to be measured, and the subject to be measured pushes the first side 401 again. After the side 401 stops moving, record the distance d measured by the laser ranging probe 10, then the result of changing the name of the person to be tested is: d-c, the distance measured by the laser ranging probe 10 when the first sidewall 401 stops moving is expressed as two When any pressure screen in the pressure touch screen 12 loses pressure, the data measured by the laser distance measuring probe 10 shall prevail, and the thickness and distance data of each side existing in the measurement process can be preset in the system, and the addition and subtraction of data shall be done well. That's it.

The present invention is not limited to the above-mentioned embodiments. On the basis of the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and modifications to some of the technical features according to the disclosed technical content without creative work. Deformation, these replacements and deformations are all within the protection scope of the present invention.

Claims (10)

1. a kind of portable sitting body anteflexion tester, including cabinet, the cabinet front is equipped with slide bar, slides and sets on slide bar It is equipped with sliding block, the sliding block periphery is provided with the first rib moved for tester's hand push, which is characterized in that the cabinet Front is equipped with displacement regulating mechanism, and the displacement regulating mechanism includes to realize that slide bar was moved forward and backward moves forward and backward adjusting The upper and lower displacement regulating mechanism that mechanism and realization slide bar move up and down, the bottom of sliding block is equipped with laser ranging probe, the cunning The end of bar is machined with the second rib with laser ranging probe cooperation, and the cabinet front is machined with top surface transition position The third rib that top surface extends forward, the third rib middle part offer the notch passed through for slide bar, third rib bottom Face is provided with close to switch.

2. portable sitting body anteflexion tester according to claim 1, which is characterized in that the front of the cabinet opens up It is fluted, it is described to move forward and backward regulating mechanism and the setting of upper and lower displacement regulating mechanism in the groove, move forward and backward adjusting machine Structure includes the connecting plate being fixed in groove, and the tail portion of the connecting plate is fixedly installed with speed reducer support base, the speed reducer Speed reducer is installed on support base, the first motor being sequentially connected with it, the output shaft of the speed reducer are installed on speed reducer It is sequentially connected with ball screw component through shaft coupling, organizine rod bearing is mounted on connecting plate respectively at the both ends of screw rod, screw rod spiral shell Bracket is fixedly installed on mother.

3. portable sitting body anteflexion tester according to claim 2, which is characterized in that the upper and lower displacement adjusts machine Structure is installed on the bracket, and the upper and lower displacement regulating mechanism includes top plate and bottom plate, and the slide bar is fixedly mounted on top plate On, it is provided with the lifter plate of muti-piece arranged crosswise between the top plate and bottom plate, is cut with scissors by connecting shaft between the lifter plate It is connected together, connecting shaft is distributed between top plate and bottom plate by upper, middle and lower two-by-two, two connecting shaft of top, one connecting shaft both ends Top plate two sides are fixed on, another connecting shaft both ends are slidably arranged in top plate two sides, and top plate two sides are correspondingly arranged on sliding slot, bottom two Connecting shaft, one connecting shaft both ends are fixed on bottom plate two sides, and another connecting shaft both ends are slidably arranged in bottom plate two sides, bottom plate two sides It is correspondingly arranged on sliding slot, screw rod, two annulus of one end and one connecting shaft of screw rod are provided through between two connecting shaft of middle part It is connected, another connecting shaft is connect with screw flight, adjusts the spacing between two connecting shafts of middle part by the rotation of screw rod to adjust The spacing between top plate and bottom plate is saved, realizes that upper and lower displacement is adjusted, is also equipped with motor support plate, the motor on the bracket Second motor that can slide up and down is provided in support plate, the second motor output shaft is connect with screw drive.

4. portable sitting body anteflexion tester according to claim 3, which is characterized in that in the middle part of the motor support plate The major trough hole that power supply machine output shaft is passed through and moved up and down is offered, corresponding offer in major trough hole two sides installs the second motor Auxiliary slot, the bolt of the second motor of installation is correspondingly arranged in auxiliary slot, and the second motor activity is mounted on motor by the bolt In support plate.

5. portable sitting body anteflexion tester according to claim 1, which is characterized in that the laser ranging probe It is mounted on the bottom of sliding block through L shaped plate, offers the through-hole coaxial with the laser ranging probe on first rib.

6. portable sitting body anteflexion tester according to claim 1, which is characterized in that installed on first rib There are the two pressure touch screens touched for tester's finger, the side of the cabinet is equipped with display screen, and display screen is equipped with voice and broadcasts Reporting device.

7. portable sitting body anteflexion tester according to claim 1, which is characterized in that the back side and top of the cabinet Face transition position is machined with the fourth gear side of back side up extension, when fourth gear is connected with folding extension through hinge at the top of, The side on the fourth gear side is hinged with the foot ring-shaped pressuring plate to compress tester's both legs, the fourth gear while with extending on it is right It should offer convenient for dilatory waist-shaped hole, there are four castors for the bottom installation of the cabinet.

8. a kind of sitting body anteflexion test method, which comprises the following steps:

1) sitting body anteflexion tester was fallen, and side expansion will be extended；

2) person under test, which is sitting in, extends on side, the position of displacement regulating mechanism is adjusted, so that slide bar is adjusted to what person to be tested did not ramed Position, and the first rib is slided into close to one end of person under test；

3) both legs are fixed using foot ring-shaped pressuring plate behind the seated position of person under test；

4) touch of person under test's both hands pushes forward the first rib on pressure touch screen, and the first flange belts movable slider is sliding along slide bar It is dynamic；

5) range data of survey is sent to display screen and shown by the laser ranging probe for being mounted on slider bottom, while voice broadcast Device comes out the datacast.

9. sitting body anteflexion test method according to claim 8, which is characterized in that laser ranging probe is surveyed in step 4) Amount method specifically:

If the first rib pushed pass through on the second rib close to switch, when triggering close to switch, recording laser ranging is visited The distance a that measures of head, the first rib stop it is mobile after, the distance b that recording laser range finding probe measures, then this person under test at this time Test result are as follows: b-a；

If the first rib pushed does not pass through the second rib, cancels the data of this laser ranging probe record, assist simultaneously Push the first rib pass through on the second rib close to switch, when triggering close to switch, recording laser range finding probe measure away from From c, the first rib is slided into close to one end of person under test again, person under test pushes the first rib again, stops to the first rib After only moving, the distance d that recording laser range finding probe measures, then the achievement for the person under test that renames at this time are as follows: d-c.

10. sitting body anteflexion test method according to claim 9, which is characterized in that swash when the first rib stops mobile When the distance that measures of ligh-ranging probe loses pressure with any pressure screen in two pressure touch screens, number that laser ranging probe measures Subject to.