CN112774112A

CN112774112A - Sit-up device for physical training

Info

Publication number: CN112774112A
Application number: CN202110125492.7A
Authority: CN
Inventors: 王成美; 曾红兵
Original assignee: Chongqing Vocational Institute of Engineering
Current assignee: Chongqing Vocational Institute of Engineering
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-05-11

Abstract

The invention relates to the field of sports equipment, in particular to a sit-up device for sports training, which comprises a floor mat and a folding type balance weight strip, wherein the balance weight strip comprises a plurality of sub strips which are hinged together, the parallel width edges connected by a diagonal line of the sub strips are hinged with adjacent sub strips, the sub strips are provided with press grooves for accommodating the floor mat, the bottoms of the press grooves are close to one side surfaces of the sub strips, the bottoms of the press grooves are in threaded connection with a plurality of limit nails connected to the ground, press blocks for pressing the floor mat are hinged in the press grooves, fixing pieces with mounting holes are fixedly arranged on the press blocks, the press blocks are provided with through holes for limiting feet, and the central axes of the through holes are parallel to the floor mat. When the sit-up training device is used, a trainer lies on the mat, places feet into the through holes for limiting, presses the feet by the balance weight strips, and does not need to press the feet by other people for sit-up.

Description

Sit-up device for physical training

Technical Field

The invention relates to the field of sports equipment, in particular to a sit-up device for sports training.

Background

Sit up is an important item of student physical examination or physical training, and at present school carries out training or test through letting a student lie on the cushion, then lets another student press student's foot on this cushion and trains or test, and last two students are exchanging and are training or testing, have reduced the efficiency that student trained or tested.

Aiming at the problem of sit-up by using a cushion at present, the publication No. CN106267714A discloses an automatic counting sit-up device for physical education, the upper surface of a frame is arc-shaped, the upper surface of the frame is provided with a shock pad, the middle part of the left end of the shock pad is provided with an installation rod, the upper end of the installation rod is provided with a penetration pipe, the inside of the penetration pipe is penetrated and connected with a penetration rod, the penetration rod is locked in the penetration pipe through a locking bolt, the left end of the penetration rod is provided with a limiting plate, the right end of the penetration rod is provided with a foot hanging rod, a counter is arranged on the side surface of the frame through an installation frame, the right side of the shock pad is provided with an installation groove, a counting switch is arranged in the installation groove, the outer side of the counting switch is provided with a shock absorption plate body, the two sides; so as to realize quick adjustment and counting, convenient to use, it is easy and simple to handle.

When the sit-up device is used, the whole device is large in size and inconvenient to store, and the sit-up device cannot be matched with each student needing training; although the damping pad is arranged, the whole structure of the sit-up device is a steel frame structure, the upper surface of the sit-up device is bent to form a certain radian, and the sit-up device can still make the back of a student feel uncomfortable due to large pressure.

Disclosure of Invention

The invention aims to provide a sit-up device for physical training, and aims to solve the problem that the existing sit-up device is large in overall structure, large in size and inconvenient to store.

Sit up device that sports training used in this scheme, including the mat of spreading, still include foldable counter weight strip, the counter weight strip includes a plurality of articulated son strips together, the width place limit that parallels that a diagonal line of son strip is connected is articulated with adjacent son strip, set up the indent that holds the mat of spreading on the son strip, the tank bottom of indent is close to a side department of son strip, threaded connection has a plurality of spacing nails that are connected to in the ground on the tank bottom of indent, it has the briquetting of pushing down the mat of spreading to articulate in the indent, the stationary blade that has the mounting hole has set firmly on the briquetting, set up on the briquetting and carry out spacing through-hole to the foot, the center pin of through-hole is on a parallel with the mat of spreading.

The beneficial effect of this scheme is:

before the use, the plurality of sub-strips are folded, so that the storage, the storage and the carrying are convenient; when in use, the counterweight strip is fixed in the ground through the limiting nail; then, the paving mat is placed into the pressing groove, the pressing block presses the paving mat, and the pressing block is fixed to the corresponding sub-strips through the mounting holes in the fixing pieces; when carrying out the sit up, carry on spacingly to the foot through the through-hole on the briquetting, need not to use the special messenger to push down training person's foot, can let a plurality of training persons go on simultaneously, and training efficiency is higher.

Further, still include the control end, be equipped with controller and display screen on the control end, all be equipped with pressure sensor on the roof of through-hole, pressure sensor detects the pressure value of foot and sends to the controller, the controller compares the pressure value with preset pressure, the controller is regularly when the pressure value is greater than preset pressure, the controller counts when time length is greater than first preset time length and obtains the numerical value of sit up, the controller sends the numerical value to the display screen and shows.

The beneficial effects are that: the pressure applied by the feet is detected through the pressure sensor, the condition of larger pressure is timed, and the condition of longer timing time is counted finally, so that the pressure is used as the number of sit-ups, and the pressure is more accurate.

Further, be equipped with the gasbag in the foreshadowing, the gasbag is connected with the air pump through the trachea, the controller counts when the time length of timing is less than the second and predetermines the time length and obtain the failure numerical value, the controller is greater than the quantity threshold value when the failure numerical value control air pump is aerifyd the gasbag.

The beneficial effects are that: the air bags are arranged in the floor mat, when the timing duration is shorter than the second preset duration, namely the sit-up action is not completed, the air bags are inflated by controlling the air pump through the controller, and the air bags impact the trainers between the trainers and the floor mat after the sit-up action fails.

Furthermore, the air bags are arranged in a plurality of positions, the air bags are located in the end portion, far away from the counterweight strip, of the floor mat, an air pipe is arranged on each air bag, a controlled valve is arranged on each air pipe, and the controller controls the controlled valve to be opened according to a preset height value to enable the air bags to be inflated.

The beneficial effects are that: the multiple air bags can increase the buffering area, the positions of the air bags can protect the head of a trainer, and the inflation of each air bag is carried out independently, so that the use is more convenient.

Further, a plurality of length identification sections are fixedly arranged on one side edge of the floor mat, the length identification sections are located at the end, away from the counterweight strip, of the floor mat, a camera is arranged on the control end, the camera collects image information of a trainer lying on the floor mat and sends the image information to the controller, the controller identifies the identification position, parallel and level to the top of the head of the trainer, of the length identification sections from the image information, and the controller judges the height of the trainer as a preset height value according to the identification position.

The beneficial effects are that: can judge the head position when the training person carries out sit up action through length sign section to be full of gas with the gasbag that corresponds, the head protection is more timely.

Furthermore, a plurality of bead grooves are formed in the top ends of the pressing blocks at intervals of the balance weight strips, balls are arranged in the bead grooves, and elastic reset layers are fixedly arranged on the inner walls of the bead grooves.

The beneficial effects are that: set up ball groove and ball on the briquetting of counter weight strip, can remove when the counter weight strip is folded or is stretched out, it is more laborsaving.

Drawings

FIG. 1 is a top view of a first embodiment of a sit-up apparatus for physical training in accordance with the present invention;

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is a schematic block diagram of a second embodiment of the sit-up apparatus for physical training of the present invention;

fig. 4 is a plan view of a second embodiment of the sit-up apparatus for physical training of the present invention.

Detailed Description

The following is a more detailed description of the present invention by way of specific embodiments.

Reference numerals in the drawings of the specification include: the device comprises a sub-strip 1, a floor mat 2, a pressing block 3, a fixing piece 4, a through hole 5, a pressure sensor 6, an air bag 7 and a length marking section 8.

Example one

A sit-up apparatus for physical training, as shown in figures 1 and 2: including paving ground mat 2 and foldable counter weight strip, the counter weight strip includes a plurality of son strip 1 through hinge joint together, this embodiment one uses drawing four son strip 1 as an example, son strip 1 is the cuboid form, the width place limit that parallels that a diagonal of son strip 1 is connected is articulated with adjacent son strip 1, two width place limits that parallel that the cuboid diagonal is connected promptly are articulated with adjacent son strip 1 and are connected, lie in a diagonal both ends and do not lie in two limits on the coplanar also for articulated limit on cuboid top surface and the bottom surface, let a plurality of son strip 1 can fold into the S-shaped and deposit.

Offer the indent that holds shop ground mat 2 on the child strip 1, the indent is the spill, the tank bottom of indent is close to a side department of child strip 1, be close to the bottom surface department of child strip 1 promptly, threaded connection has a plurality of stop nails that are connected to in the ground on the tank bottom of indent, stop nail uses the bolt, can set up the screw hole that supplies the stop nail to twist soon on ground in advance, perhaps directly twist soon in the bottom surface, it has briquetting 3 of pushing down shop ground mat 2 to articulate through the articulated shaft in the indent, the welding has stationary blade 4 with the mounting hole on the tip of hinged end is kept away from to briquetting 3, stationary blade 4 is fixed to on the child strip 1 through mounting hole and screw etc..

The pressing block 3 is provided with a through hole 5 for limiting the foot, the central axis of the through hole 5 is parallel to the floor mat 2, namely, the through hole 5 extends and penetrates along the width direction of the sub-strip 1; the remote controller also comprises a control end, the controller can be arranged according to the existing remote controller, the control end is provided with the controller and a display screen, the controller can use the existing single chip microcomputer chip, and the display screen can use the existing LCD display screen; all install pressure sensor 6 on the roof of through-hole 5, pressure sensor 6 detects the pressure value of foot and sends to the controller, the controller contrasts the pressure value with preset pressure, the controller is regularly when the pressure value is greater than preset pressure, the controller uses the internal clock to time, the controller counts when regularly long being greater than first preset time and obtains the numerical value of sit up, the controller sends the numerical value to the display screen and shows.

Seted up a plurality of bead grooves on 3 tops of counter weight strip looks spaced briquetting, a plurality of counter weight strips are arranged into one line promptly, and 3 briquetting on the first counter weight strip set up behind the bead groove 3 briquetting on the third counter weight strip just set up the bead groove, and the ball is installed to the bead inslot, and it has the elasticity layer that resets to bond on the inner wall in bead groove, and the ball rolls and the design that does not deviate from at the bead inslot is prior art, and is not repeated here.

The specific implementation process is as follows:

fixing the counterweight seat on the ground through a limiting nail, or fixing the counterweight seat to a place all the time, when doing sit-up training, putting the floor mat 2 into the pressure groove, pressing the floor mat 2 through the pressing block 3, and fixing the pressing block 3 on the sub-strip 1 through a screw; the trainer lies on the floor mat 2, places feet into the through holes 5 for limiting, presses the feet by the counter weight strips, and does not need other people to press the feet for sit-up; in the training process of sit up, because the position that the upper part of the body will lie from the tie of human body gets up and need overcome certain resistance, make the foot can exert certain pressure and can last a period for pressure sensor 6 at 5 tops of through-hole, pressure sensor 6 detects the pressure value when being greater than preset pressure, regularly, when the timing length of growing in excess of preset time, count and show on the display screen by control module, the sit up has been accomplished in the expression, count the figure of having accomplished complete sit up action automatically, and is more convenient and accurate.

When not using, can fold a plurality of sub-strips 1 according to the S-shaped, parking space is little to when removing the counter weight strip, can place the one side that the counter weight strip has set up the ball subaerial, reduce the resistance by the ball, conveniently remove. The ball sets up on briquetting 3, and does not set up on the outer bottom of indent, can guarantee that the thickness of indent bottom is less, avoids spreading ground mat 2 too high apart from ground.

Example two

The difference from the first embodiment is that as shown in fig. 3 and 4, an air bag 7 is bonded in the floor mat 2, the air bag 7 is connected with an air pump through an air pipe, the controller counts when the timing duration is less than a second preset duration to obtain a failure value, and the controller controls the air pump to inflate the air bag 7 when the failure value is greater than a quantity threshold value; the air bags 7 are provided with a plurality of air bags 7, for example, three air bags 7 are arranged, the air bags 7 are positioned in the end part of the side, away from the counterweight strip, of the floor mat 2, an air pipe is arranged on each air bag 7, a controlled valve is arranged on each air pipe, the controlled valves can be existing electronic air valves, the controller controls the air pump to inflate, namely, the corresponding controlled valve is controlled to be opened, and the controller controls the controlled valve on the air pipe corresponding to the air bag 7 to be opened to inflate the air bags 7 according to the preset height value; a plurality of length marking sections 8 are bonded on one side edge of the floor mat 2, the length marking sections 8 are paved on the long edge of the floor mat 2, the length of each length marking section 8 is equal, the length of each length marking section 8 is ten centimeters, the sum of the lengths of the length marking sections 8 is two meters, and the length marking sections 8 are positioned at one end, far away from the counterweight strip, of the floor mat 2; install the camera on the control end, the camera is the camera, the image information that the trainer lies on paving ground mat 2 is gathered to the camera and is sent to the controller, the controller discerns trainer head top parallel and level in the identification position of length identification section 8 from image information, the identification position is the quantity of length identification section 8 of starting point to trainer head top from counter weight strip one side promptly, the controller judges trainer's height as preset height value according to the identification position, preset height value is quantity multiplication every length identification section 8's length promptly.

When carrying out the sit-up training, shoot the image information that the person of training lies on the ground mat 2 through the camera, the controller discerns the sign position of the length sign section 8 that the person of training top aligns from the image information, judge the height of person of training as preset height value according to the sign position by the controller, judge the failure numerical value that the force of foot to pressure sensor 6 is less than the second default in the training process, when failure numerical value is greater than quantity threshold value, do the unsuccessful person of sit-up training promptly always, let the controller according to presetting height value control air pump for the inflation of gasbag 7 on the corresponding position, let gasbag 7 inflation, because part of the person of training can fall backward suddenly when the sit-up, the impact force that the gasbag 7 after aerifing can cushion the person of training head, prevent that the person of training is injured in the training process.

EXAMPLE III

The difference from the second embodiment is that the exercise training device further comprises a posture recognizer, the camera shoots a plurality of image information of the same trainer, when the failure value is larger than the quantity threshold, the controller compares the failure value with the quantity value, when the failure value is larger than the quantity value, the controller sends the image information to the posture recognizer, the posture recognizer recognizes a plurality of sit-up postures of the trainer from the image information, the recognition of the sit-up posture can be performed by using the existing algorithm, for example, the sit-up posture can be a lying posture, a contracting posture and the like, the controller acquires the sit-up posture and recognizes the action information in the sit-up posture, the action information can be the angle, the position and the like of each part in the sit-up standard posture, the controller judges whether the action information is located in a preset range, and the preset range can be the angle range and the position range of each part in the sit-up posture for the purpose of exercise training, when the action information is located in the preset range, the controller corrects the failure value into the quantity value, namely the failure value is added into the quantity value by taking the sit-up movement corresponding to the failure value as a standard, and when the action information is located outside the preset range, the controller judges that the failure value is accurate.

Since the trainees with different physical characteristics and physical qualities can perform different characteristics in the sit-up training, for example, the timing time of part of the skilled trainees can be very short, or, part of the skilled trainer's feet, less stress on the pressure sensor 6, which is prone to erroneous quantitative measurements, therefore, in the present application, for each trainee, when the number of failures in the sit-up of the trainee is large, the sit-up posture in the image information is identified through the posture identifier, the controller identifies the action information from the sit-up posture, and judges whether the action information is in a preset range, when the action information is within the preset range, the failure numerical value and the numerical value are corrected through the controller, wrong measurement caused by trainers with different body characteristics and body qualities is avoided, and the accuracy of the sit-up measurement is improved.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. Sit up device of sports training usefulness, including paving mat, its characterized in that: still include foldable counter weight strip, counter weight strip includes a plurality of articulated son strips together, the width place limit that parallels that a diagonal line of son strip is connected is articulated with adjacent son strip, set up the indent that holds the ground mat on the son strip, the tank bottom of indent is close to a side department of son strip, threaded connection has a plurality of spacing nails that are connected to in the ground on the tank bottom of indent, it has the briquetting of pushing down the ground mat to articulate in the indent, the stationary blade that has the mounting hole has set firmly on the briquetting, set up on the briquetting and carry out spacing through-hole to the foot, the center pin of through-hole is on a parallel with the ground mat.

2. The sit-up apparatus for athletic training of claim 1, wherein: still include the control end, be equipped with controller and display screen on the control end, all be equipped with pressure sensor on the roof of through-hole, pressure sensor detects the pressure value of foot and sends to the controller, the controller compares the pressure value with preset pressure, the controller is regularly when the pressure value is greater than preset pressure, the controller counts when time length is greater than first preset time length and obtains the numerical value of sit up, the controller sends the numerical value to the display screen and shows.

3. The sit-up apparatus for athletic training of claim 2, wherein: be equipped with the gasbag in the foreshadowing, the gasbag is connected with the air pump through the trachea, the controller is less than the second and predetermines the time length at the timing length and counts and obtain the failure numerical value, the controller is controlled the air pump and is aerifyd the gasbag when the failure numerical value is greater than quantity threshold value.

4. A sit-up apparatus for physical training according to claim 3, wherein: the air bags are arranged in a plurality of positions, the air bags are located in the end portion, far away from one side of the counterweight strip, of the floor mat, an air pipe is arranged on each air bag, a controlled valve is arranged on each air pipe, and the controller controls the controlled valve to be opened according to a preset height value to enable the air bags to be inflated.

5. The sit-up apparatus for athletic training of claim 4, wherein: the intelligent sleeping mat is characterized in that a plurality of length identification sections are fixedly arranged on one side edge of the floor mat, the length identification sections are located at the position, far away from one end of the counter weight strip, of the floor mat, a camera is arranged on the control end, the camera collects image information of a trainer lying on the floor mat and sends the image information to the controller, the controller recognizes the identification position, parallel and level to the length identification sections, of the head top of the trainer from the image information, and the controller judges the height of the trainer as a preset height value according to the identification position.

6. The sit-up apparatus for athletic training of claim 1, wherein: a plurality of ball grooves are formed in the top ends of the pressing blocks at intervals of the balance weight bars, balls are arranged in the ball grooves, and elastic reset layers are fixedly arranged on the inner walls of the ball grooves.