CN111013115A - Teenager movement device and automatic counting method thereof - Google Patents
Teenager movement device and automatic counting method thereof Download PDFInfo
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- CN111013115A CN111013115A CN201911180813.2A CN201911180813A CN111013115A CN 111013115 A CN111013115 A CN 111013115A CN 201911180813 A CN201911180813 A CN 201911180813A CN 111013115 A CN111013115 A CN 111013115A
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- fixed pulley
- winding drum
- groove body
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- 238000000034 method Methods 0.000 title claims description 9
- 238000004804 winding Methods 0.000 claims abstract description 29
- 238000013016 damping Methods 0.000 claims description 18
- 230000000366 juvenile effect Effects 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 13
- 238000005265 energy consumption Methods 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 210000001217 buttock Anatomy 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 4
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000003190 viscoelastic substance Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 7
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
- A63B71/0669—Score-keepers or score display devices
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/00047—Exercising devices not moving during use
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/06—User-manipulated weights
- A63B21/068—User-manipulated weights using user's body weight
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/40—Interfaces with the user related to strength training; Details thereof
- A63B21/4027—Specific exercise interfaces
- A63B21/4029—Benches specifically adapted for exercising
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/02—Exercising apparatus specially adapted for particular parts of the body for the abdomen, the spinal column or the torso muscles related to shoulders (e.g. chest muscles)
- A63B23/0205—Abdomen
- A63B23/0211—Abdomen moving torso with immobilized lower limbs
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B2071/0602—Non-electronic means therefor
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2220/00—Measuring of physical parameters relating to sporting activity
- A63B2220/17—Counting, e.g. counting periodical movements, revolutions or cycles, or including further data processing to determine distances or speed
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Pulmonology (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention relates to a teenager movement device, which comprises: a base; the vertical rod is arranged at one end of the base, and a presser foot cross rod is arranged on the vertical rod; be equipped with counting mechanism in the base for carry out automatic counting to sit up's quantity, counting mechanism includes: the automatic retraction device comprises a winding drum main shaft, a winding drum, a power spring coil spring, a pull rope, a fixed pulley, a head sleeve, a rotary encoder, a controller and a display, wherein the winding drum main shaft is fixed in a base, the winding drum is fixedly connected with the outer end of the power spring coil spring to obtain automatically retracted power, and the inner end of the power spring coil spring is fixedly connected with the winding drum main shaft; the fixed pulley is fixedly arranged in the base and positioned on one side of the winding drum; one end of the pull rope is connected with the winding drum, and the other end of the pull rope extends out of the base and is connected with the head sleeve after bypassing the fixed pulley; and the rotary encoder is used for acquiring the information of the number of rotation turns of the fixed pulley.
Description
Technical Field
The invention relates to the field of sports goods, in particular to a teenager movement device and an automatic counting method thereof.
Background
Sit up is the conventional project of sports test, and the endurance at the waist abdomen position of main test person to be tested, school detect sit up now, uses a mat usually, and the person to be tested lies on the mat, and the person to be tested's both feet are pushed down to a classmate, then begin the timing, and the person to be tested does sit up, and that classmate of presser foot is responsible for the help and counts, and the test mode relies on the manual work to accomplish completely, and counting efficiency is low, has the error.
The existing sit-up testing instrument utilizes a human body posture sensor to identify, the testing efficiency of the sensor is low, and the sensor is easily interfered by external actions, so that the testing precision is not high.
Disclosure of Invention
Aiming at the technical problems, the invention provides a teenager movement device and an automatic counting method thereof.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
a juvenile exercise device for sit-up comprising:
the base is horizontally arranged;
the vertical rod is arranged at one end of the base, and a presser foot cross rod is arranged on the vertical rod;
be equipped with counting mechanism in the base for carry out automatic counting to sit up's quantity, counting mechanism includes: the automatic retraction device comprises a winding drum main shaft, a winding drum, a power spring coil spring, a pull rope, a fixed pulley, a rotating shaft, a pawl, a rotating drum, a head sleeve, a rotary encoder, a controller and a display, wherein the winding drum main shaft is fixed in a base, the winding drum is fixedly connected with the outer end of the power spring coil spring to obtain automatically retracted power, and the inner end of the power spring coil spring is fixedly connected with the winding drum main shaft;
the fixed pulley is fixedly arranged in the base and positioned on one side of the winding drum;
one end of the pull rope is connected with the winding drum, and the other end of the pull rope extends out of the base and is connected with the head sleeve after bypassing the fixed pulley; the end part of the fixed pulley is fixedly connected with the rotating shaft, a shaft lever of the rotating shaft is hinged with one end of the pawl, the other end of the pawl is arranged obliquely upwards, and a spring is connected between the pawl and the rotating shaft; the rotating drum is coaxially sleeved outside the rotating shaft, and the inner wall of the rotating drum is provided with a latch matched with the pawl;
the rotary encoder is arranged at the shaft end of the rotary drum and used for acquiring the information of the number of turns of the rotary drum;
the signal input end of the controller is in signal connection with the rotary encoder, and the signal output end of the controller is connected with the display;
the display is arranged on the surface of the base;
be equipped with buffer gear on the base for reduce the effort of base to training person's buttock, include:
the groove body is arranged in the base, the upper opening and the lower opening of the groove body are arranged, and energy-consuming materials are arranged in the groove body;
the upper base plate is arranged at an opening at the upper end of the groove body and used for limiting the displacement of the upper part of the energy consumption material, and the upper surface of the upper base plate is flush with the upper surface of the base;
the bottom plate is arranged at the opening at the lower end of the groove body and used for limiting the displacement of the lower part of the energy consumption material;
the bolt is vertically arranged in the groove body, and a threaded end of the bolt penetrates through the bottom plate and is in threaded connection with the bottom of the upper backing plate to adjust the spacing distance between the bottom plate and the bottom of the groove body;
the side part of the base is provided with an openable or closable window corresponding to the groove body, and under the normal condition, the window is closed.
The energy dissipation material comprises: at least one damping unit, each damping unit comprising: the damping device comprises two flexible damping plates and a rigid plate, wherein the rigid plate is arranged between the two flexible damping plates; the flexible damping plate is a silicon rubber plate or a viscoelastic material layer with the thickness not less than 2 mm.
The fixed pulley is a V-shaped wheel, and a rubber layer for increasing friction is coated on the surface of a V-shaped groove of the V-shaped wheel.
The base is provided with a rope hole for the pull rope to pass through.
4 rolling shafts are symmetrically arranged on the periphery of the rope hole.
And a flexible cushion layer is arranged on the surface of the upper backing plate.
The bottom one end of base is equipped with the gyro wheel that conveniently removes whole device, and the base other end is equipped with and supports the fixed support foot seat of usefulness with ground.
The invention further discloses a movement method based on the teenager movement device, wherein the head cover is worn on the head of the sit-up sporter and is fixed with the head;
when a sit-up exerciser changes from a lying state to a sitting state, namely a sit-up action is completed, the pull rope is stretched to drive the fixed pulley to rotate anticlockwise for N turns, the fixed pulley drives the rotary drum to rotate anticlockwise through the rotary shaft and the pawl, and the rotary encoder detects the number of turns of the rotary drum rotating anticlockwise and transmits the number of turns of the rotary drum to the controller;
when the sit-up exerciser returns to lie-down action from sitting to lying, the tension is automatically contracted under the pulling of a coil spring of a power spring, so that the fixed pulley is driven to rotate clockwise for N circles, at the moment, the fixed pulley rotates clockwise through the rotating shaft, at the moment, a pawl slips on a latch, the rotating drum does not act, and a rotary encoder does not count;
the controller receives the number of turns of the fixed pulley in the anticlockwise rotation and compares the number of turns with a preset threshold value, wherein the threshold value is a range value of the number of turns of the fixed pulley in the anticlockwise rotation for finishing a standard sit-up;
when the number of received anticlockwise rotating turns of the fixed pulley is within a preset threshold range, counting to finish a sit-up action, otherwise, not counting;
in the same way, the controller displays the counted number through the display until the sit-up exerciser finishes the exercise;
clearing the count before the next sit-up exerciser starts sit-up exercise;
when the weight of the sit-up exerciser is high, the window is opened, the bolt in the buffer mechanism is screwed, the spacing distance between the bottom plate and the bottom of the groove body is reduced, and the rigidity of the buffer mechanism is improved;
when the sit-up exerciser is light in weight, the window is opened, the bolt in the buffer mechanism is loosened, the spacing distance between the bottom plate and the bottom of the groove body is increased, and the rigidity of the buffer mechanism is reduced.
Has the advantages that:
compared with the existing sit-up device, the adolescent exercise device of the invention has the following advantages:
firstly, the sit-up movement is converted into the number of turns of counterclockwise rotation of the fixed pulley, the sit-up movement is detected through the rotary encoder, the detection result is sent to the controller, the controller displays the result through the display, automatic counting of the sit-up movement can be achieved, the method that the original testing mode is completely completed manually is eliminated, and counting is accurate and efficient.
The invention discloses a buffer mechanism which is used for reducing the acting force of a base on the buttocks of a trainer, when the weight of a sit-up exerciser is higher, a bolt in the buffer mechanism is screwed, the spacing distance between a bottom plate and the bottom of a groove body is reduced, and the rigidity of the buffer mechanism is improved; when the sit-up exerciser is light in weight, the bolts in the buffer mechanism are loosened, the spacing distance between the bottom plate and the bottom of the groove body is increased, and the rigidity of the buffer mechanism is reduced.
Thirdly, in order to prevent the sliding between the pulling rope and the fixed pulley, which causes inaccurate detection data, the fixed pulley adopts a V-shaped wheel, and the surface of a V-shaped groove of the V-shaped wheel is coated with a rubber layer for increasing friction.
Drawings
Fig. 1 is a schematic structural diagram of a juvenile exercise device according to the present invention;
wherein, 1, a base; 2. a vertical rod; 3. a presser foot crossbar; 4. a spool spindle; 5. a reel; 6. pulling a rope; 7. a fixed pulley; 8. a headgear; 9. a rotary encoder; 10. a controller; 13. a buffer mechanism; 14. a roller; 15. a supporting foot seat;
fig. 2 is a top view of a juvenile exercise apparatus in accordance with the present invention;
wherein, 11, a display; 12. a rope hole;
FIG. 3 is a schematic structural diagram of a buffering mechanism according to the present invention;
13-1, a trough body; 13-2, energy consumption materials; 13-3, arranging a backing plate; 13-4, a bottom plate; 13-5, bolts; 13-6, rigid plate;
FIG. 4 is a schematic view of the connection structure of the fixed pulley and the rotary drum according to the present invention;
16, a rotating shaft; 18. a rotating drum;
FIG. 5 is a schematic view of the connection structure of the rotating shaft and the rotating drum according to the present invention;
17, a pawl; 19. a spring;
FIG. 6 is a top view of a cord hole;
among them, 20, rollers.
Detailed Description
The technical solution of the juvenile exercise apparatus according to the present invention will be further described in detail with reference to the drawings and specific embodiments.
As shown in fig. 1, a juvenile motion device includes:
the base 1 is horizontally arranged;
the vertical rod 2 is arranged at one end of the base 1, and the vertical rod 2 is provided with a presser foot cross rod 3;
be equipped with counting mechanism in the base 1 for carry out automatic counting to the quantity of sit up, counting mechanism includes: the automatic winding device comprises a winding drum main shaft 4, a winding drum 5, a power spring coil spring, a pull rope 6, a fixed pulley 7, a head sleeve 8, a rotary encoder 9, a controller 10 and a display 11, wherein the winding drum main shaft 4 is fixed in a base 1, the winding drum 5 is fixedly connected with the outer end of the power spring coil spring to obtain automatic contraction power, and the inner end of the power spring coil spring is fixedly connected with the winding drum main shaft 4;
the fixed pulley 7 is fixedly arranged in the base 1 and positioned at one side of the winding drum 5;
one end of the pull rope 6 is connected with the winding drum 5, and the other end of the pull rope extends out of the base after bypassing the fixed pulley 7 and is connected with the head sleeve 8;
the rotary encoder 9 is arranged at the shaft end of the fixed pulley 7 and used for acquiring the rotation number information of the fixed pulley 7;
the signal input end of the controller 10 is in signal connection with the rotary encoder 9, and the signal output end of the controller 10 is connected with the display 11;
the display 11 is arranged on the surface of the base;
be equipped with buffer gear 13 on the base 1 for reduce the effort of base to training person's buttock, include:
a groove body 13-1 arranged in the base 1, wherein the upper opening and the lower opening of the groove body 13-1 are arranged, and energy dissipation materials 13-2 are arranged in the groove body 13-1;
the upper backing plate 13-3 is arranged at an opening at the upper end of the groove body 13-1 and used for limiting the upper displacement of the energy dissipation material 13-2, and the upper surface of the upper backing plate 13-3 is flush with the upper surface of the base 1;
the bottom plate 13-4 is arranged at an opening at the lower end of the groove body 13-1 and used for limiting the displacement of the lower part of the energy consumption material 13-2;
the bolt 13-5 is vertically arranged in the groove body 13-1, and the threaded end of the bolt 13-5 penetrates through the bottom plate and then is in threaded connection with the bottom of the upper backing plate, so that the spacing distance between the bottom plate and the bottom of the groove body can be adjusted;
the side part of the base is provided with an openable or closable window corresponding to the groove body, and under the normal condition, the window is closed.
As a further preferable aspect of the present invention, the energy consumption material 13-2 includes: at least one damping unit, each damping unit comprising: the damping device comprises two flexible damping plates and a rigid plate, wherein the rigid plate is arranged between the two flexible damping plates.
As a further preferable mode of the technical solution of the present invention, the flexible damping plate is a silicone rubber plate or a viscoelastic material layer having a thickness of not less than 2 mm.
As a further preferable aspect of the present invention, the fixed pulley is a V-shaped pulley.
As a further preferable mode of the present invention, a rubber layer for increasing friction is coated on a surface of the V-shaped groove of the V-shaped wheel.
As a further preferable aspect of the present invention, the base is provided with a rope hole through which the pulling rope passes.
As a further preferable mode of the present invention, a flexible cushion layer is provided on a surface of the upper mat.
As a further optimization of the technical scheme of the invention, one end of the bottom of the base is provided with a roller which is convenient for moving the whole device, and the other end of the base is provided with a supporting foot seat which is used for supporting and fixing the ground.
The invention further discloses an automatic counting method based on the teenager movement device, wherein the head cover is worn on the head of the sit-up sporter and is fixed with the head;
when the sit-up sporter changes from a lying state to a sitting state, namely one sit-up action is finished, the pulling rope is stretched to drive the fixed pulley to rotate anticlockwise for N circles, and the rotary encoder detects the number of anticlockwise rotation circles of the fixed pulley and transmits the circles to the controller;
when the sit-up exerciser returns to the lying action from the sitting action, the tension is automatically contracted under the pulling of a coil spring of a power spring, so that the fixed pulley is driven to rotate clockwise for N circles, and the rotary encoder does not count the clockwise rotation of the fixed pulley;
the controller receives the number of turns of the fixed pulley in the anticlockwise rotation and compares the number of turns with a preset threshold value, wherein the threshold value is a range value of the number of turns of the fixed pulley in the anticlockwise rotation for finishing a standard sit-up;
when the number of received anticlockwise rotating turns of the fixed pulley is within a preset threshold range, counting to finish a sit-up action, otherwise, not counting;
in the same way, the controller displays the counted number through the display until the sit-up exerciser finishes the exercise;
clearing the count before the next sit-up exerciser starts sit-up exercise;
when the weight of the sit-up exerciser is high, the window is opened, the bolt in the buffer mechanism is screwed, the spacing distance between the bottom plate and the bottom of the groove body is reduced, and the rigidity of the buffer mechanism is improved;
when the sit-up exerciser is light in weight, the window is opened, the bolt in the buffer mechanism is loosened, the spacing distance between the bottom plate and the bottom of the groove body is increased, and the rigidity of the buffer mechanism is reduced.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (8)
1. A juvenile exercise device for sit-up comprising:
the base is horizontally arranged;
the vertical rod is arranged at one end of the base, and a presser foot cross rod is arranged on the vertical rod;
the method is characterized in that: be equipped with counting mechanism in the base for carry out automatic counting to sit up's quantity, counting mechanism includes: the automatic retraction device comprises a winding drum main shaft, a winding drum, a power spring coil spring, a pull rope, a fixed pulley, a rotating shaft, a pawl, a rotating drum, a head sleeve, a rotary encoder, a controller and a display, wherein the winding drum main shaft is fixed in a base, the winding drum is fixedly connected with the outer end of the power spring coil spring to obtain automatically retracted power, and the inner end of the power spring coil spring is fixedly connected with the winding drum main shaft;
the fixed pulley is fixedly arranged in the base and positioned on one side of the winding drum;
one end of the pull rope is connected with the winding drum, and the other end of the pull rope extends out of the base and is connected with the head sleeve after bypassing the fixed pulley; the end part of the fixed pulley is fixedly connected with the rotating shaft, a shaft lever of the rotating shaft is hinged with one end of the pawl, the other end of the pawl is arranged obliquely upwards, and a spring is connected between the pawl and the rotating shaft; the rotating drum is coaxially sleeved outside the rotating shaft, and the inner wall of the rotating drum is provided with a latch matched with the pawl;
the rotary encoder is arranged at the shaft end of the rotary drum and used for acquiring the information of the number of turns of the rotary drum;
the signal input end of the controller is in signal connection with the rotary encoder, and the signal output end of the controller is connected with the display;
the display is arranged on the surface of the base;
be equipped with buffer gear on the base for reduce the effort of base to training person's buttock, include:
the groove body is arranged in the base, the upper opening and the lower opening of the groove body are arranged, and energy-consuming materials are arranged in the groove body;
the upper base plate is arranged at an opening at the upper end of the groove body and used for limiting the displacement of the upper part of the energy consumption material, and the upper surface of the upper base plate is flush with the upper surface of the base;
the bottom plate is arranged at the opening at the lower end of the groove body and used for limiting the displacement of the lower part of the energy consumption material;
the bolt is vertically arranged in the groove body, and a threaded end of the bolt penetrates through the bottom plate and is in threaded connection with the bottom of the upper backing plate to adjust the spacing distance between the bottom plate and the bottom of the groove body;
the side part of the base is provided with an openable or closable window corresponding to the groove body, and under the normal condition, the window is closed.
2. The juvenile exercise device of claim 1, wherein the energy consuming material comprises: at least one damping unit, each damping unit comprising: the damping device comprises two flexible damping plates and a rigid plate, wherein the rigid plate is arranged between the two flexible damping plates; the flexible damping plate is a silicon rubber plate or a viscoelastic material layer with the thickness not less than 2 mm.
3. The juvenile exercise device of claim 1, wherein the fixed pulley is a V-shaped wheel, and a surface of a V-shaped groove of the V-shaped wheel is coated with a rubber layer for increasing friction.
4. The juvenile exercise device of claim 1, wherein the base is provided with a cord hole for the pull cord to pass through.
5. The juvenile motion device of claim 1, wherein the circumference of the rope hole is symmetrically provided with 4 rollers.
6. The juvenile exercise apparatus of claim 1, wherein the surface of the upper plate is provided with a flexible cushion.
7. The juvenile exercise device according to claim 1, wherein the base has a roller at one end of the bottom for moving the whole device, and a support foot at the other end for supporting and fixing the device on the ground.
8. A sporting method based on the juvenile sporting device according to any one of claims 1 to 7, wherein the headgear is worn on and fixed to the head of the sit-up exerciser;
when a sit-up exerciser changes from a lying state to a sitting state, namely a sit-up action is completed, the pull rope is stretched to drive the fixed pulley to rotate anticlockwise for N turns, the fixed pulley drives the rotary drum to rotate anticlockwise through the rotary shaft and the pawl, and the rotary encoder detects the number of turns of the rotary drum rotating anticlockwise and transmits the number of turns of the rotary drum to the controller;
when the sit-up exerciser returns to lie-down action from sitting to lying, the tension is automatically contracted under the pulling of a coil spring of a power spring, so that the fixed pulley is driven to rotate clockwise for N circles, at the moment, the fixed pulley rotates clockwise through the rotating shaft, at the moment, a pawl slips on a latch, the rotating drum does not act, and a rotary encoder does not count;
the controller receives the number of turns of the fixed pulley in the anticlockwise rotation and compares the number of turns with a preset threshold value, wherein the threshold value is a range value of the number of turns of the fixed pulley in the anticlockwise rotation for finishing a standard sit-up;
when the number of received anticlockwise rotating turns of the fixed pulley is within a preset threshold range, counting to finish a sit-up action, otherwise, not counting;
in the same way, the controller displays the counted number through the display until the sit-up exerciser finishes the exercise;
clearing the count before the next sit-up exerciser starts sit-up exercise;
when the weight of the sit-up exerciser is high, the window is opened, the bolt in the buffer mechanism is screwed, the spacing distance between the bottom plate and the bottom of the groove body is reduced, and the rigidity of the buffer mechanism is improved;
when the sit-up exerciser is light in weight, the window is opened, the bolt in the buffer mechanism is loosened, the spacing distance between the bottom plate and the bottom of the groove body is increased, and the rigidity of the buffer mechanism is reduced.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911180813.2A CN111013115B (en) | 2019-11-27 | 2019-11-27 | Teenager movement device and automatic counting method thereof |
| KR1020207037338A KR102486289B1 (en) | 2019-11-27 | 2019-11-29 | Youth exercise device and its automatic counting method |
| PCT/CN2019/122119 WO2021102966A1 (en) | 2019-11-27 | 2019-11-29 | Adolescent sports device and automatic counting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911180813.2A CN111013115B (en) | 2019-11-27 | 2019-11-27 | Teenager movement device and automatic counting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111013115A true CN111013115A (en) | 2020-04-17 |
| CN111013115B CN111013115B (en) | 2021-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911180813.2A Active CN111013115B (en) | 2019-11-27 | 2019-11-27 | Teenager movement device and automatic counting method thereof |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR102486289B1 (en) |
| CN (1) | CN111013115B (en) |
| WO (1) | WO2021102966A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112044026A (en) * | 2020-09-11 | 2020-12-08 | 中山国鳌智能科技有限公司 | Mechanical fitness wheel with intelligent data display device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113559488A (en) * | 2021-07-06 | 2021-10-29 | 山东体育学院 | A comprehensive tester for sports teaching usefulness |
| CN117137490B (en) * | 2023-10-17 | 2024-03-22 | 盐城工学院 | Body measurement device for multifunctional student physical examination |
Citations (14)
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| KR20210094459A (en) | 2021-07-29 |
| KR102486289B1 (en) | 2023-01-06 |
| CN111013115B (en) | 2021-06-04 |
| WO2021102966A1 (en) | 2021-06-03 |
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Denomination of invention: A Youth Sports Device and Its Automatic Counting Method Effective date of registration: 20231229 Granted publication date: 20210604 Pledgee: Industrial and Commercial Bank of China Limited Nanjing Science and technology sub branch Pledgor: Runtou Intelligent Science and Technology Research Institute Jiangsu Co.,Ltd. Registration number: Y2023980075090 |
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