CN216257095U

CN216257095U - Intelligent tester for forward bending of infant sitting position

Info

Publication number: CN216257095U
Application number: CN202122761823.4U
Authority: CN
Inventors: 屈莎; 单竹; 罗冬梅
Original assignee: Beijing Sport University
Current assignee: Beijing Sport University
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-04-12
Anticipated expiration: 2031-11-12

Abstract

The utility model discloses an intelligent tester for the forward flexion of a child seat body, which comprises a seat board, wherein two anti-skidding support legs are fixedly arranged at one end of the bottom of the seat board, two universal wheels are arranged at the bottom of the seat board and at the end far away from the anti-skidding support legs, a handle is fixedly connected to one side of the seat board far away from the universal wheels, a knee pressing mechanism is arranged at the top of the seat board, a pedal plate is fixedly connected to the top of the seat board and at the end far away from the universal wheels, and a limit inclined plate is arranged at the top of the seat board and at the end far away from the pedal plate. The utility model has compact structure and strong practicability, can stably support equipment when the equipment is horizontally placed through the anti-skid supporting legs, can easily move when the equipment is inclined through the handle and the universal wheels, is convenient for better assisting and pressing the knees of an infant who is bending forward on a seat body through the knee pressing mechanism, is convenient for better detecting the testing distance of the forward bending of the seat body through the distance measuring mechanism, and can automatically return the hand push plate after detection, thereby saving manual operation.

Description

Intelligent tester for forward bending of infant sitting position

Technical Field

The utility model relates to a tester, in particular to an intelligent tester for the forward bending of a sitting position of an infant, and belongs to the technical field of testers.

Background

The sitting position forward bending (Sit And Reach) is a physical fitness test item for primary And middle schools, the test purpose of the test item is to measure the possible activity range of joints such as trunk, waist And hip under a static state, mainly reflect the extensibility And elasticity of the joints, ligaments And muscles And the development level of body flexibility, And when the physical fitness of infants is trained, the infants are often guided to conduct sitting position forward bending technical exercise And performance test so as to observe the body flexibility of the infants.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide an intelligent tester for testing the forward bending of the sitting body of an infant.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model discloses an intelligent infant seat body forward bending tester which comprises a seat plate, wherein two anti-skidding support legs are fixedly installed at one end of the bottom of the seat plate, two universal wheels are installed at the bottom of the seat plate and at one end far away from the anti-skidding support legs, a handle is fixedly connected to one side of the seat plate far away from the universal wheels, a knee pressing mechanism is arranged at the top of the seat plate, a pedal plate is fixedly connected to the top of the seat plate and at one end far away from the universal wheels, a limit inclined plate is arranged at the top of the seat plate and at one end far away from the pedal plate, a distance measuring mechanism is arranged at one side of the pedal plate far away from the limit inclined plate, and a control panel is fixedly installed at one side of the seat plate.

As a preferable scheme of the utility model, the knee pressing mechanism comprises a square sliding hole, the middle part of the seat plate is provided with the square sliding hole, the inside of the square sliding hole is slidably connected with a bar-shaped rod, two ends of the bar-shaped rod extend to the outer side of the square sliding hole and are fixedly connected with side blocks, the top of one side block is fixedly connected with a first sleeve, the top of the first sleeve is slidably connected with a sliding rod, the bottom of the sliding rod extends to the inside of the first sleeve and is fixedly connected with a limiting plate, a thrust spring is sleeved on the outer side of the sliding rod and is positioned inside the first sleeve, the top of the sliding rod is rotatably connected with a pressing plate, and one end of the bottom of the pressing plate, which is far away from the sliding rod, is fixedly connected with an inserted rod.

As a preferable scheme of the utility model, the top of the other side block is fixedly connected with a second sleeve, the middle part of the inner wall of the second sleeve is symmetrically provided with a convex block, a magnet is connected inside the second sleeve and above the convex block in a sliding manner, and a tension spring is hung between the bottom of the magnet and the bottom of the inner wall of the second sleeve.

As a preferable scheme of the present invention, an iron block is fixedly connected to the bottom of the insertion rod.

As a preferable scheme of the utility model, the distance measuring mechanism comprises an installation plate, the middle part of one side of the pedal plate far away from the limit sloping plate is fixedly connected with the installation plate, a side plate is fixedly connected with the top of the mounting plate and one end far away from the pedal plate, a damping guide rail is fixedly connected between the top of one side of the side plate and the pedal plate, the outer side of the damping guide rail is connected with a hand push plate in a sliding way, the bottom of the hand push plate and the lower part of the damping guide rail are fixedly provided with an infrared distance measuring sensor, a touch switch is arranged on one side of the hand push plate close to the pedal plate, a reciprocating screw rod is rotatably connected between the bottom of one side of the side plate and the pedal plate, a motor is fixedly arranged at the top of the mounting plate and at one end far away from the pedal, an output shaft of the motor penetrates through the side plate and is fixedly connected with one end of the reciprocating screw rod, and a reset sliding block is in threaded connection with the outer side of the reciprocating screw rod and is positioned between the side plate and the pedal.

As a preferable scheme of the utility model, the top of the reset sliding block and the middle part of the infrared distance measuring sensor are positioned in the same horizontal plane, a reflecting plate is fixedly installed on one side of the pedal plate close to the infrared distance measuring sensor, and the infrared distance measuring sensor and the reflecting plate are positioned in the same horizontal plane.

As a preferred scheme of the present invention, the touch switch, the infrared distance measuring sensor and the motor are all electrically connected to the control panel.

The utility model has the following beneficial effects: the utility model has compact structure and strong practicability, can stably support equipment when the equipment is horizontally placed through the anti-skid supporting legs, can easily move when the equipment is inclined through the handle and the universal wheels, is convenient for better assisting and pressing the knees of an infant who is bending forward on a seat body through the knee pressing mechanism, is convenient for better detecting the testing distance of the forward bending of the seat body through the distance measuring mechanism, and can automatically return the hand push plate after detection, thereby saving manual operation.

Drawings

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. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a knee pressing mechanism of the present invention;

fig. 3 is a schematic structural diagram of the distance measuring mechanism of the present invention.

In the figure: 1. a seat plate; 2. anti-skid support legs; 3. a universal wheel; 4. a handle; 5. a knee pressing mechanism; 51. a square slide hole; 52. a bar-shaped rod; 53. a side block; 54. a first sleeve; 55. a slide bar; 56. a limiting plate; 57. a thrust spring; 58. pressing a plate; 59. inserting a rod; 510. a second sleeve; 511. a bump; 512. a magnet; 513. a tension spring; 514. an iron block; 6. a foot pedal; 7. a limit sloping plate; 8. a distance measuring mechanism; 81. mounting a plate; 82. a side plate; 83. a damping guide rail; 84. a hand push plate; 85. an infrared ranging sensor; 86. a touch switch; 87. a reciprocating screw rod; 88. a motor; 89. resetting the sliding block; 9. a control panel.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Examples

As shown in fig. 1-3, the utility model provides an intelligent infant seat forward bending tester, which comprises a seat plate 1, wherein two anti-skidding support legs 2 are fixedly installed at one end of the bottom of the seat plate 1, two universal wheels 3 are installed at one end of the bottom of the seat plate 1, which is far away from the anti-skidding support legs 2, a handle 4 is fixedly connected to one side of the seat plate 1, which is far away from the universal wheels 3, a knee pressing mechanism 5 is arranged at the top of the seat plate 1, a pedal plate 6 is fixedly connected to one end of the top of the seat plate 1, which is far away from the universal wheels 3, a limiting inclined plate 7 is arranged at one end of the top of the seat plate 1, a distance measuring mechanism 8 is arranged at one side of the pedal plate 6, a control panel 9 is fixedly installed at one side of the seat plate 1, the equipment can be stably supported when being horizontally placed through the anti-skidding support legs 2, and the equipment can be easily moved when being inclined through the handle 4 and the universal wheels 3.

Further, the knee pressing mechanism 5 comprises a square sliding hole 51, the middle of the seat plate 1 is provided with the square sliding hole 51, the inside of the square sliding hole 51 is slidably connected with a bar-shaped rod 52, two ends of the bar-shaped rod 52 extend to the outer side of the square sliding hole 51 and are fixedly connected with side blocks 53, the top of one side block 53 is fixedly connected with a first sleeve 54, the top of the first sleeve 54 is slidably connected with a sliding rod 55, the bottom of the sliding rod 55 extends to the inside of the first sleeve 54 and is fixedly connected with a limit plate 56, the outer side of the sliding rod 55 and the inside of the first sleeve 54 are sleeved with a thrust spring 57, the top of the sliding rod 55 is rotatably connected with a pressing plate 58, the bottom of the pressing plate 58 and the end far away from the sliding rod 55 are fixedly connected with an inserting rod 59, the top of the other side block 53 is fixedly connected with a second sleeve 510, the middle of the inner wall of the second sleeve 510 is symmetrically provided with a bump 511, the inside of the second sleeve 510 and the bump 511 are slidably connected with a magnet 512, a tension spring 513 is hung between the bottom of the magnet 512 and the bottom of the inner wall of the second sleeve 510, an iron block 514 is fixedly connected to the bottom of the inserted link 59, and the knee pressing mechanism 5 is used for facilitating better auxiliary pressing of the knee of the infant who is bending forward.

Further, the distance measuring mechanism 8 comprises a mounting plate 81, the middle part of one side of the pedal plate 6 far away from the limit sloping plate 7 is fixedly connected with the mounting plate 81, the top part of the mounting plate 81 and one end far away from the pedal plate 6 are fixedly connected with a side plate 82, a damping guide rail 83 is fixedly connected between the top part of one side of the side plate 82 and the pedal plate 6, the outer side of the damping guide rail 83 is slidably connected with a hand push plate 84, the bottom part of the hand push plate 84 and the lower part of the damping guide rail 83 are fixedly provided with an infrared distance measuring sensor 85, one side of the hand push plate 84 close to the pedal plate 6 is provided with a touch switch 86, a reciprocating screw 87 is rotatably connected between the bottom part of one side of the side plate 82 and the pedal plate 6, one end of the top part of the mounting plate 81 and far away from the pedal plate 6 is fixedly provided with a motor 88, an output shaft of the motor 88 penetrates through the side plate 82 and is fixedly connected with one end of the reciprocating screw 87, a reset slider 89 is connected between the outer side of the reciprocating screw 87 and the side plate 82 and the pedal plate 6 by screw, the top of slider 89 resets is located same horizontal plane with infrared ranging sensor 85's middle part, and one side fixed mounting that running-board 6 is close to infrared ranging sensor 85 has the reflecting plate, and infrared ranging sensor 85 is located same horizontal plane with the reflecting plate, and the test distance of being convenient for better anteflexion of seat body through ranging mechanism 8 detects, can make hand push plate 84 self return after detecting simultaneously, saves manual operation.

Further, the touch switch 86, the infrared distance measuring sensor 85 and the motor 88 are electrically connected with the control panel 9, so that the equipment can be controlled better.

Specifically, the type of the infrared distance measuring sensor 85 is preferably VL53L0X, when in use, the device is moved to a designated position, then the device is powered on, then the infant is guided to sit on the seat plate 1, the legs of the infant are guided to be stretched to step on one side of the foot pedal 6, the body of the infant bends forwards, the hands of the infant bend forwards and push the hand push plate 84, when the hands of the infant touch the hand push plate 84, the touch switch 86 on one side of the hand push plate 84 is contacted, the infrared distance measuring sensor 85 is switched on by the touch switch 86, the infrared distance measuring sensor 85 moves along with the hand push plate 84 and detects the distance between the hand push plate 84 and the foot pedal 6, the detection result is the test result of the forward bending of the infant sitting body, after the detection of the infrared distance measuring sensor 85 is finished, the motor 88 is automatically switched on by the control panel 9, the reciprocating screw rod 87 is driven to rotate and the resetting slide block 89 is reciprocated by one stroke, so as to push the infrared distance measuring sensor 85 to restore the hand push plate 84 to the original position, thereby be convenient for next infant's test, when some infants were difficult to independently straighten in both legs when examining, staff's slide plate 58 to infant's knee department this moment, then rotate clamp plate 58, make inserted bar 59 insert to the second sleeve 510 in, magnet 512 adsorbs the laminating with the iron plate 514 of inserted bar 59 bottom simultaneously, when infant's knee was used hard, clamp plate 58 rose, drive slide bar 55 and inserted bar 59 simultaneously and rise, slide bar 55 and inserted bar 59 rise and drive limiting plate 56 and magnet 512 simultaneously, thrust spring 57 promotes limiting plate 56 downwards, tension spring 513 pulls magnet 512 downwards, and then make clamp plate 58 remove downwards, push down infant's knee.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An intelligent tester for the forward flexion of a child sitting position comprises a seat board (1) and is characterized in that, two anti-skid support legs (2) are fixedly arranged at one end of the bottom of the seat plate (1), two universal wheels (3) are arranged at the bottom of the seat board (1) and at one end far away from the anti-skid support legs (2), a handle (4) is fixedly connected with one side of the seat board (1) far away from the universal wheels (3), the top of the seat board (1) is provided with a knee pressing mechanism (5), the top of the seat board (1) and one end far away from the universal wheel (3) are fixedly connected with a pedal (6), a limiting sloping plate (7) is arranged at the top of the seat plate (1) and at one end far away from the pedal plate (6), one side of the pedal plate (6) far away from the limit sloping plate (7) is provided with a distance measuring mechanism (8), and one side of the seat plate (1) is fixedly provided with a control panel (9).

2. The intelligent infant sitting body forward flexion tester according to claim 1, wherein the knee pressing mechanism (5) comprises a square sliding hole (51), the middle of the seat plate (1) is provided with the square sliding hole (51), a bar-shaped rod (52) is slidably connected inside the square sliding hole (51), two ends of the bar-shaped rod (52) extend to the outer side of the square sliding hole (51) and are fixedly connected with side blocks (53), the top of one of the side blocks (53) is fixedly connected with a first sleeve (54), the top of the first sleeve (54) is slidably connected with a sliding rod (55), the bottom of the sliding rod (55) extends to the inside of the first sleeve (54) and is fixedly connected with a limiting plate (56), a thrust spring (57) is sleeved outside the sliding rod (55) and inside the first sleeve (54), and the top of the sliding rod (55) is rotatably connected with a pressing plate (58), an inserted rod (59) is fixedly connected to the bottom of the pressing plate (58) and one end far away from the sliding rod (55).

3. The intelligent infant seat body anteflexion tester according to claim 2, characterized in that a second sleeve (510) is fixedly connected to the top of the other side block (53), a protrusion (511) is symmetrically arranged in the middle of the inner wall of the second sleeve (510), a magnet (512) is slidably connected to the inside of the second sleeve (510) and above the protrusion (511), and a tension spring (513) is hung between the bottom of the magnet (512) and the bottom of the inner wall of the second sleeve (510).

4. The intelligent infant seat body forward bending tester according to claim 2, wherein an iron block (514) is fixedly connected to the bottom of the insertion rod (59).

5. The intelligent infant seat body forward bending tester according to claim 1, wherein the distance measuring mechanism (8) comprises a mounting plate (81), the middle part of one side of the pedal plate (6) far away from the limit inclined plate (7) is fixedly connected with the mounting plate (81), one end of the mounting plate (81) far away from the pedal plate (6) is fixedly connected with a side plate (82), a damping guide rail (83) is fixedly connected between the top part of one side of the side plate (82) and the pedal plate (6), the outer side of the damping guide rail (83) is slidably connected with a hand push plate (84), an infrared distance measuring sensor (85) is fixedly mounted at the bottom of the hand push plate (84) and below the damping guide rail (83), one side of the hand push plate (84) close to the pedal plate (6) is provided with a touch switch (86), and a reciprocating screw rod (87) is rotatably connected between the bottom part of one side of the side plate (82) and the pedal plate (6), the top of mounting panel (81) and the one end fixed mounting who keeps away from running-board (6) have motor (88), the output shaft of motor (88) run through behind curb plate (82) and with the one end fixed connection of reciprocal lead screw (87), the outside of reciprocal lead screw (87) just is located threaded connection between curb plate (82) and running-board (6) and has reset slider (89).

6. The intelligent infant seat body forward bending tester according to claim 5, wherein the top of the reset sliding block (89) and the middle of the infrared distance measuring sensor (85) are located in the same horizontal plane, a reflecting plate is fixedly installed on one side of the pedal plate (6) close to the infrared distance measuring sensor (85), and the infrared distance measuring sensor (85) and the reflecting plate are located in the same horizontal plane.

7. The intelligent infant seat body forward bending tester according to claim 5, wherein the touch switch (86), the infrared distance measuring sensor (85) and the motor (88) are electrically connected with the control panel (9).