CN112642106A - Leg training device for track and field athletes - Google Patents
Leg training device for track and field athletes Download PDFInfo
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- CN112642106A CN112642106A CN202011368744.0A CN202011368744A CN112642106A CN 112642106 A CN112642106 A CN 112642106A CN 202011368744 A CN202011368744 A CN 202011368744A CN 112642106 A CN112642106 A CN 112642106A
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- shaped
- training
- fixedly connected
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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
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/04—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs
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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
- 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
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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
- A63B24/00—Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances
- A63B24/0087—Electric or electronic controls for exercising apparatus of groups A63B21/00 - A63B23/00, e.g. controlling load
Abstract
The invention discloses a leg training device for track and field athletes, and relates to the technical field of sports equipment. The training plate comprises a base, a training plate and a backup plate, wherein the base is arranged in a stepped manner, the training plate is arranged in an inclined manner, the inclined lower end of the training plate is rotatably connected to one side wall of the base through a first rotating column, the backup plate is arranged on one side of the inclined lower end of the training plate, the lower end of the backup plate is rotatably connected to the top surface of the base through a second rotating column, a U-shaped side guard plate is arranged on the top surface of the training plate, and a plurality of counterweight plates are arranged in parallel above the position between two symmetrical side plates of the U-shaped side guard plate. According to the invention, through the arrangement of the first blind hole, the second blind hole, the limiting mechanism, the locking mechanism, the U-shaped matching plate, the rectangular limiting groove and the infrared sensing sensor and the matching among the components, the device can adjust the matching weight more conveniently and accurately in the use process, and meanwhile, the device can play a good safety protection role when an athlete takes exercise, and has high safety.
Description
Technical Field
The invention belongs to the technical field of sports equipment, and particularly relates to a leg training device for an athletic sports player, which is mainly used for leg exercise in daily training of the athletic sports player.
Background
In daily life, athletes need to exercise regularly in order to maintain the strength and endurance of muscles, while for track and field athletes, exercise of legs is essential, and track and field athletes generally train through professional leg training devices to maintain the strength and endurance of muscles, but the existing leg training devices have the following disadvantages:
1. before training or in the training process, the counterweight needs to be adjusted according to factors such as the state of an athlete and the like, but when the counterweight is adjusted, the conventional leg training device is generally manually adjusted by a training assistant, so that the operation is troublesome, and the training assistant is difficult to quickly adjust the weight suitable for the athlete;
as a prior publication, CN 110694232A-a leg training device for athletics athletes, discloses a leg training device comprising a device body, wherein support legs are fixedly installed on the left and right sides of the bottom of the device body. The leg training device for the track and field athletes is characterized in that the limiting seat is provided with the tightening bolt, when the weight of the weight box needs to be adjusted, the tightening bolt is firstly screwed off and the rotating rod is rotated towards the opposite direction, the cover plate can be opened, the weight of the weight box can be adjusted by increasing or decreasing the counter weight in the weight box, the cover plate is covered and the bolt is locked and screwed, the athlete only needs to sit on the cushion, step on the pedal plate by two feet, and step on the pedal plate by continuous force, the movable sleeve rod drives the pedal and the weight box to slide up and down along the direction of the connecting rod, can carry out high-intensity training on the leg strength of the athletes, can effectively carry out training on the leg strength of the athletes, greatly improves the practicability of the device, when the technical means disclosed in the document is used, training personnel is required to assist in increasing and decreasing the counter weight, and both operation and weight adjustment are troublesome;
2. the existing leg training device lacks a dangerous protection function, so that the situation that the leg power supply of an athlete is insufficient (such as leg cramps and the like) can occur in the process of the athlete exercising, the leg of the worker is easily crushed by a counterweight, and training accidents are caused;
therefore, there is a need for improvement of the prior art to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a leg training device for an athletic sports player, which is convenient and accurate in weight increase and decrease operation and can have a good safety protection effect on the sports player during training, and solves the problems that the existing leg training device is troublesome to operate, the training personnel are difficult to quickly adjust the weight suitable for the sports player when the weight is adjusted, and the existing leg training device is lack of a danger protection function.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a leg training device for an athletic sports player, which comprises a base, a training plate and a backup plate, wherein the base is arranged in a step shape, the training plate is arranged in an inclined manner, the inclined lower end of the training plate is rotatably connected to one side wall of the base through a first rotating column, the backup plate is arranged on one side of the inclined lower end of the training plate, the lower end of the backup plate is rotatably connected to the top surface of the base through a second rotating column, a U-shaped side guard plate is arranged on the top surface of the training plate, a plurality of counterweight plates are arranged in parallel above the position between two symmetrical side plates of the U-shaped side guard plate, and a support plate is arranged below the counterweight plates in an aligned manner; the bottom surface of the training plate is fixedly connected with a limiting mechanism;
the two sides of the counterweight plate and the support plate are respectively matched and limited with the U-shaped side guard plate through locking mechanisms, and the counterweight plate, the support plate and the U-shaped side guard plate are also matched and fixed through reinforcing mechanisms;
rectangular limiting grooves are symmetrically formed in the inner surfaces of two symmetrical side plates of the U-shaped side guard plate, penetrating grooves with two closed ends are formed in the rectangular limiting grooves below the supporting plate, a hollow U-shaped matching plate is fixedly connected to the outer surface of the U-shaped side guard plate above the penetrating grooves, and first through holes are symmetrically formed in a top plate of the U-shaped side guard plate;
first clamping plates are symmetrically arranged in the middle of two end faces of the counterweight plate, first blind holes are symmetrically formed in one side face of each first clamping plate, and second through holes are symmetrically formed in the counterweight plate;
second clamping plates are symmetrically arranged at the lower ends of the two end faces of the supporting plate, second blind holes are symmetrically arranged on one side face of each second clamping plate, and third through holes are symmetrically arranged on the supporting plate;
the two first clamping plates and the two second clamping plates are respectively in clearance fit in the two rectangular limiting grooves;
the locking mechanism comprises two first connecting pieces, two first inserting columns and an iron block, the two first inserting columns are symmetrically connected to one side face of each first connecting piece, the first connecting pieces are arranged on the outer sides of the U-shaped matching plates, and one ends of the first inserting columns sequentially penetrate through the U-shaped matching plates and the U-shaped side protection plates to be inserted into the first blind holes and/or the second blind holes in a sliding mode;
wherein, a return spring is sleeved on the first inserting column at the position between the U-shaped matching plate and the first connecting sheet in a sliding way;
an iron block is fixedly connected to the first connecting sheet between the two first inserting columns, and an electromagnetic column is fixedly mounted on the outer surface of the U-shaped matching plate which is aligned with the iron block;
the reinforcing mechanism comprises two second connecting pieces, two second inserting columns and a locking plate, the two second inserting columns are symmetrically connected to one side face of the second connecting piece, the second connecting piece is arranged below the supporting plate, and one end of each second inserting column sequentially penetrates through the third through hole, the second through hole and the first through hole to extend to the position above the U-shaped matching plate to be fixedly connected with the limiting plate;
a locking plate is arranged between the U-shaped matching plate and the limiting disc, locking grooves with one ends opened are symmetrically arranged on the locking plate, and the locking grooves are used for sliding clamping of the second inserting columns;
the limiting mechanism comprises a first air cylinder, a U-shaped frame and a rectangular limiting block, the U-shaped frame is arranged on the outer side below the training plate, connecting columns are symmetrically arranged at the upper ends of the inner surfaces of two vertical plates of the U-shaped frame, and the rectangular limiting block is fixedly connected to the other end of each connecting column;
the connecting column is sleeved in the through groove in a sliding mode, and the rectangular limiting block is matched in the rectangular limiting groove in a sliding mode;
one end of the first air cylinder is fixedly connected to the middle position of one side face of the U-shaped frame, and the fixed section of the first air cylinder is fixedly connected to the bottom face of the training plate;
a single chip microcomputer controller is fixedly mounted on one side of the top surface of the base between the training plate and the backup plate, and an infrared induction sensor is fixedly mounted on the top surface of the single chip microcomputer controller.
Further, fixedly connected with fixed column on the slope upper end bottom surface of training board, the fixed column is used for the upper end slip cover of U-shaped support frame to close, the lower extreme middle part slip cover of U-shaped support frame has the regulating block, fixedly connected with second cylinder on one side of regulating block, the other end fixed connection of second cylinder is on the side of base simultaneously.
Furthermore, fixedly connected with T shape sliding block on the bottom surface of regulating block, be provided with T shape sliding tray on the base top surface of T shape sliding block below, T shape sliding tray is used for the clearance fit of T shape sliding block.
Furthermore, the middle position of the upper end of the far side face of the backup plate from the training plate is provided with a first fixed block, the top surface of the base below the first fixed block is provided with a middle-shaped sliding groove, a middle-shaped sliding block is clamped in the middle-shaped sliding groove in a sliding mode, and the top surface of the middle-shaped sliding block is fixedly connected with a second fixed block.
Furthermore, a support column is arranged between the first fixing block and the second fixing block, two movable frames are fixedly connected to two end faces of the support column, and the two movable frames are respectively rotatably connected to the first fixing block and the second fixing block.
Furthermore, the screw rod is sleeved in the middle-shaped sliding block in a spiral mode, one end of the screw rod is connected to the inner side face of the middle-shaped sliding groove in a rotating mode through the rolling bearing, and the other end of the screw rod extends to the outer side of the middle-shaped sliding groove and is fixedly connected with the rotating handle.
Furthermore, the single chip microcomputer controller is electrically connected with the electromagnetic column, the first air cylinder, the infrared induction sensor and the second air cylinder through conducting wires respectively.
The invention has the following beneficial effects:
1. the invention can control the on-off of each electromagnetic column according to the requirement when training by the arrangement of the singlechip controller, the electromagnetic columns can generate magnetism to adsorb an iron block when the electromagnetic columns are electrified, the first connecting sheet drives the first inserting column to move to one side of the counterweight plate under the action of the electromagnetic columns adsorbing the iron block, one end of the first inserting column is inserted into the first blind hole and/or the second blind hole at the two ends of the counterweight plate and/or the support plate at the moment, thereby realizing the limit fixation of the counterweight plate and the support plate, the electromagnetic columns lose the adsorption magnetism to the iron block under the action of the reset spring when the electromagnetic columns are powered off, the first inserting column inserted into the first blind hole and/or the second blind hole can be separated from the first blind hole and/or the second blind hole under the action of the reset spring, in the arrangement, the sportsman can carry out automatic adjustment to the quantity of weight plate according to factors such as weight that oneself can bear and state needs, does not need the training person to increase and decrease and join in marriage weight, and the weight degree of accuracy that the sportsman adjusted by oneself is higher than the training person greatly in addition, makes the adjustment of this device operation simple more and counter weight volume more accurate.
2. According to the invention, through the arrangement of the limiting mechanism, when an emergency situation that a leg cramp occurs to a sportsman, the sportsman can quickly stretch a hand to the position of the infrared induction sensor, when the infrared induction sensor senses that the hand of the sportsman passes through, the first air cylinder on the limiting mechanism can be controlled to contract, under the driving of the contraction of the first air cylinder, the rectangular limiting block on the U-shaped frame moves upwards along the direction of the rectangular limiting groove in an inclined manner, the second clamping plates at the two ends of the supporting plate are supported and blocked in time, the supporting plate and the balancing weight on the supporting plate are prevented from further sliding downwards to cause injury to the sportsman, the arrangement has high reaction speed, and can play a good safety protection role for the sportsman under the emergency situation.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a left side view of FIG. 1 in accordance with the present invention;
FIG. 3 is a right side view of FIG. 1 in accordance with the present invention;
FIG. 4 is a schematic view of the overall structure of the training board;
fig. 5 is a schematic view of the overall structure of the weight plate;
FIG. 6 is a schematic view of the overall structure of the support plate;
FIG. 7 is a schematic view of the overall structure of the limiting mechanism;
FIG. 8 is a schematic view of the overall construction of the reinforcement mechanism;
FIG. 9 is a schematic view of the overall construction of the locking mechanism;
FIG. 10 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;
fig. 11 is an enlarged view of the invention at B in fig. 3.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a base; 2. a training board; 3. a support plate; 4. a weight plate; 5. a single chip controller; 6. a screw shaft; 7. a middle-shaped sliding block; 8. a support pillar; 9. a backup plate; 10. a reinforcement mechanism; 11. a limiting mechanism; 12. a locking mechanism; 101. a middle-shaped sliding groove; 102. a T-shaped sliding groove; 201. a U-shaped side guard plate; 202. a U-shaped support frame; 203. an adjusting block; 204. fixing a column; 205. a second cylinder; 206. a first through hole; 207. a U-shaped mating plate; 208. a first rotating column; 301. a third through hole; 302. a second clamping plate; 401. a second through hole; 402. a first clamping plate; 501. an infrared induction sensor; 601. rotating the handle; 701. a second fixed block; 801. a movable frame; 901. a first fixed block; 902. a second rotating cylinder; 1001. a second connecting sheet; 1002. a second insert post; 1003. a locking plate; 1004. a limiting disc; 1005. a locking groove; 1101. a first cylinder; 1102. a U-shaped frame; 1103. connecting columns; 1104. a rectangular limiting block; 1201. a first connecting piece; 1202. a first insert post; 1203. a return spring; 1204. an iron block; 2011. a rectangular limiting groove; 2012. a through groove; 2031. a T-shaped slider; 2071. an electromagnetic column; 3021. a second blind hole; 4021. a first blind hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open", "one side", "lower", "height", "in the annular direction", "concentrically arranged", "alternately connected", "inner", "peripheral side", "outer", and the like, indicate orientations or positional relationships and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1-4 and 11, the present invention is a leg training device for athletics athletes, comprising a base 1, a training plate 2 and a backup plate 9, wherein the above components constitute the basic structure of the device, the base 1 is arranged in a step shape, the training plate 2 is arranged in an inclined shape, the inclined lower end of the training plate 2 is rotatably connected to one side wall of the base 1 through a first rotating column 208, the arrangement can realize the rotation of one end of the training plate 2 by taking the first rotating column 208 as an axis, the backup plate 9 is arranged on one side of the inclined lower end of the training plate 2, the lower end of the backup plate 9 is rotatably connected to the top surface of the base 1 through a second rotating column 902, the arrangement can realize the rotation of the backup plate 9 by taking the second rotating column 902 as an axis, a U-shaped side guard plate 201 is arranged on the top surface of the training plate 2, a plurality of counterweight plates 4 are arranged in parallel above the position between the two symmetrical side plates of the U-shaped side plate 201, a support plate 3 is arranged below the plurality of weight plates 4 in an aligned manner; the bottom surface of the training plate 2 is fixedly connected with a limiting mechanism 11, when the supporting plate 3 is used, one side surface is used for placing feet of workers, and the other side surface is used for placing the counterweight plate 4;
the two sides of the counterweight plate 4 and the support plate 3 are respectively matched and limited with the U-shaped side guard plate 201 through the locking mechanisms 12, meanwhile, the counterweight plate 4, the support plate 3 and the U-shaped side guard plate 201 are also matched and fixed through the reinforcing mechanism 10, and the reinforcing mechanism 10 is used for positioning and fixing when the device is idle and preventing accidents under the condition of power failure;
the fixing column 204 is fixedly connected to the bottom surface of the inclined upper end of the training board 2, the fixing column 204 is used for slidably sleeving the upper end of the U-shaped support frame 202, the adjusting block 203 is slidably sleeved in the middle of the lower end of the U-shaped support frame 202, a second air cylinder 205 is fixedly connected to one side face of the adjusting block 203, and the other end of the second air cylinder 205 is fixedly connected to the side face of the base 1;
the bottom surface of the adjusting block 203 is fixedly connected with a T-shaped sliding block 2031, the top surface of the base 1 below the T-shaped sliding block 2031 is provided with a T-shaped sliding groove 102, the T-shaped sliding groove 102 is used for clearance fit of the T-shaped sliding block 2031, and the arrangement can play a role in limiting and guiding the movement of the adjusting block 203 when the adjusting block 203 moves.
As shown in fig. 4-6 and 9-10, rectangular limiting grooves 2011 are symmetrically formed on the inner surfaces of two symmetrical side plates of the U-shaped side guard plate 201, a through groove 2012 with two closed ends is formed in the rectangular limiting groove 2011 below the supporting plate 3, a hollow U-shaped matching plate 207 is fixedly connected to the outer surface of the U-shaped side guard plate 201 above the through groove 2012, and first through holes 206 are symmetrically formed on the top plate of the U-shaped side guard plate 201;
the middle parts of two end faces of the counterweight plate 4 are symmetrically provided with first clamping plates 402, one side face of each first clamping plate 402 is symmetrically provided with a first blind hole 4021, and the counterweight plate 4 is also symmetrically provided with a second through hole 401;
the lower ends of the two end surfaces of the support plate 3 are symmetrically provided with second clamping plates 302, one side surface of each second clamping plate 302 is symmetrically provided with a second blind hole 3021, and the support plate 3 is also symmetrically provided with a third through hole 301;
the two first clamping plates 402 and the two second clamping plates 302 are respectively in clearance fit in the two rectangular limiting grooves 2011, and the arrangement can play a role in limiting and guiding when the support plate 3 and the counterweight plate 4 move;
the locking mechanism 12 comprises a first connecting plate 1201, a first inserting column 1202 and an iron block 1204, the number of the first inserting columns 1202 is two, the two first inserting columns 1202 are symmetrically connected to one side surface of the first connecting plate 1201, the first connecting plate 1201 is arranged on the outer side of the U-shaped matching plate 207, one end of the first inserting column 1202 sequentially penetrates through the U-shaped matching plate 207 and the U-shaped side protection plate 201 to be inserted into the first blind hole 4021 and/or the second blind hole 3021 in a sliding mode, and in the arrangement, the first inserting column 1202 is inserted into the first blind hole 4021 and/or the second blind hole 3021 to be arranged to play a role in positioning the positions of the counterweight plate 4 and the support plate 3;
a return spring 1203 is slidably sleeved on the first insert column 1202 between the U-shaped matching plate 207 and the first connecting plate 1201, and the arrangement of the return spring 1203 can realize the separation of the first insert column 1202 from the first blind hole 4021 and/or the second blind hole 3021 under the action of return;
an iron block 1204 is fixedly connected to the first connecting plate 1201 between the two first inserting columns 1202, and an electromagnetic column 2071 is fixedly installed on the outer surface of the U-shaped matching plate 207 which is aligned with the iron block 1204;
above-mentioned setting, when using, under the effect of electromagnetism post 2071 circular telegram, can adsorb iron plate 1204, first insert the post 1202 and stretch into first blind hole 4021 and/or second blind hole 3021 under the effect of adsorption, realize the spacing fixed of counterweight plate 4 and backup pad 3, under the circumstances of electromagnetism post 2071 outage, under the effect of reset spring 1203, can realize that first insert the post 1202 and break away from in first blind hole 4021 and/or the second blind hole 3021, thereby realize backup pad 3 and counterweight plate 4's free movement, be used for training sportsman's shank.
As shown in fig. 5 to 6 and 8, the reinforcing mechanism 10 includes two second connecting pieces 1001, two second inserting columns 1002 and a locking plate 1003, the two second inserting columns 1002 are symmetrically connected to one side of the second connecting pieces 1001, the second connecting pieces 1001 are disposed below the supporting plate 3, and one end of each second inserting column 1002 sequentially passes through the third through hole 301, the second through hole 401 and the first through hole 206 and extends to the upper side of the U-shaped matching plate 207 to be fixedly connected with the limiting plate 1004;
a locking plate 1003 is arranged between the U-shaped matching plate 207 and the limiting disc 1004, locking grooves 1005 with one open end are symmetrically arranged on the locking plate 1003, and the locking grooves 1005 are used for sliding clamping of the second inserting columns 1002;
the fixed connection between the combination of the weight plate 4 and the support plate 3 and the training plate 2 can be further strengthened by the arrangement of the reinforcing mechanism 10, and the situation that when the locking mechanism 12 loses the limitation on the combination of the weight plate 4 and the support plate 3 under the power failure, the combination of the weight plate 4 and the support plate 3 slides freely to damage the device is avoided.
Referring to fig. 2 and 7, the limiting mechanism 11 includes a first cylinder 1101, a U-shaped frame 1102 and a rectangular limiting block 1104, the U-shaped frame 1102 is disposed at the lower outer side of the training board 2, connecting columns 1103 are symmetrically disposed at the upper ends of the inner surfaces of two vertical boards of the U-shaped frame 1102, and the rectangular limiting block 1104 is fixedly connected to the other ends of the connecting columns 1103;
the connecting column 1103 is slidably sleeved in the through groove 2012, and the rectangular limiting block 1104 is slidably fitted in the rectangular limiting groove 2011;
one end of the first cylinder 1101 is fixedly connected to the middle position of one side surface of the U-shaped frame 1102, and the fixed section of the first cylinder 1101 is fixedly connected to the bottom surface of the training board 2;
above-mentioned setting, under the flexible effect of first cylinder 1101, can drive the free slip of rectangle stopper 1104 in rectangle spacing groove 2011 on the U-shaped frame 1102, and then realize that rectangle stopper 1104 stops backup pad 3, can play safety protection's effect in the training.
Referring to fig. 1, 2, 4 and 7, a single chip microcomputer controller 5 is fixedly installed on one side of the top surface of the base 1 between the training board 2 and the backup board 9, and an infrared sensing sensor 501 is fixedly installed on the top surface of the single chip microcomputer controller 5;
Referring to fig. 1 and 3, a first fixed block 901 is arranged at the middle position of the upper end of the side surface of the backup plate 9 far from the training plate 2, a middle-shaped sliding groove 101 is arranged on the top surface of the base 1 below the first fixed block 901, a middle-shaped sliding block 7 is slidably clamped in the middle-shaped sliding groove 101, and a second fixed block 701 is fixedly connected to the top surface of the middle-shaped sliding block 7, and the arrangement can play a role in limiting and guiding the movement of the middle-shaped sliding block 7;
a supporting column 8 is arranged between the first fixed block 901 and the second fixed block 701, two end faces of the supporting column 8 are fixedly connected with movable frames 801, and the two movable frames 801 are respectively rotatably connected with the first fixed block 901 and the second fixed block 701;
a lead screw 6 is spirally sleeved in the middle-shaped sliding block 7, one end of the lead screw 6 is rotatably connected to the inner side surface of the middle-shaped sliding groove 101 through a rolling bearing, and the other end of the lead screw 6 extends to the outer side of the middle-shaped sliding groove 101 and is fixedly connected with a rotating handle 601;
according to the arrangement, when the staff rotates the lead screw 6 through the rotating handle 601, the middle-shaped sliding block 7 freely moves in the middle-shaped sliding groove 101, so that the angle adjustment of the backup plate 9 is realized, and the requirements of athletes of different body types are met.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a be used for track and field sportsman's shank trainer, includes base (1), training board (2) and backup plate (9), base (1) is the step setting, training board (2) set up for the slope, and the slope lower extreme of training board (2) rotates through first rotation post (208) and connects on a lateral wall of base (1), slope lower extreme one side of training board (2) is provided with backup plate (9), the lower extreme of backup plate (9) rotates post (902) through the second and rotates and connect on the top surface of base (1), its characterized in that: a U-shaped side guard plate (201) is arranged on the top surface of the training plate (2), a plurality of counterweight plates (4) are arranged above the position between two symmetrical side plates of the U-shaped side guard plate (201) in parallel, and a support plate (3) is arranged below the counterweight plates (4) in an aligned mode; the bottom surface of the training plate (2) is fixedly connected with a limiting mechanism (11);
two sides of the counterweight plate (4) and two sides of the supporting plate (3) are respectively matched and limited with the U-shaped side guard plate (201) through locking mechanisms (12), and meanwhile the counterweight plate (4), the supporting plate (3) and the U-shaped side guard plate (201) are also matched and fixed through reinforcing mechanisms (10);
rectangular limiting grooves (2011) are symmetrically formed in the inner surfaces of two symmetrical side plates of the U-shaped side guard plate (201), through grooves (2012) with two closed ends are formed in the rectangular limiting grooves (2011) below the supporting plate (3), a hollow U-shaped matching plate (207) is fixedly connected to the outer surface of the U-shaped side guard plate (201) above the through grooves (2012), and first through holes (206) are symmetrically formed in a top plate of the U-shaped side guard plate (201);
first clamping plates (402) are symmetrically arranged in the middle of two end faces of the counterweight plate (4), first blind holes (4021) are symmetrically arranged on one side face of each first clamping plate (402), and second through holes (401) are symmetrically arranged on the counterweight plate (4);
second clamping plates (302) are symmetrically arranged at the lower ends of two end faces of the supporting plate (3), second blind holes (3021) are symmetrically arranged on one side face of each second clamping plate (302), and third through holes (301) are symmetrically arranged on the supporting plate (3);
the two first clamping plates (402) and the two second clamping plates (302) are respectively in clearance fit in the two rectangular limiting grooves (2011);
the locking mechanism (12) comprises two first connecting plates (1201), two first inserting columns (1202) and an iron block (1204), the two first inserting columns (1202) are symmetrically connected to one side surface of the first connecting plate (1201), the first connecting plate (1201) is arranged on the outer side of the U-shaped matching plate (207), and one end of each first inserting column (1202) penetrates through the U-shaped matching plate (207) and the U-shaped side protection plate (201) in sequence to be inserted into the first blind hole (4021) and/or the second blind hole (3021) in a sliding mode;
wherein, a return spring (1203) is slidably sleeved on the first inserting column (1202) at the position between the U-shaped matching plate (207) and the first connecting plate (1201);
an iron block (1204) is fixedly connected to a first connecting plate (1201) between the two first inserting columns (1202), and an electromagnetic column (2071) is fixedly mounted on the outer surface of a U-shaped matching plate (207) which is aligned with the iron block (1204);
the reinforcing mechanism (10) comprises two second connecting pieces (1001), two second inserting columns (1002) and a locking plate (1003), the two second inserting columns (1002) are symmetrically connected to one side face of the second connecting pieces (1001), the second connecting pieces (1001) are arranged below the supporting plate (3), and one ends of the second inserting columns (1002) sequentially penetrate through the third through holes (301), the second through holes (401) and the first through holes (206) to extend to the upper portion of the U-shaped matching plate (207) to be fixedly connected with the limiting disc (1004);
a locking plate (1003) is arranged between the U-shaped matching plate (207) and the limiting disc (1004), locking grooves (1005) with one open ends are symmetrically formed in the locking plate (1003), and the locking grooves (1005) are used for sliding clamping of the second inserting columns (1002);
the limiting mechanism (11) comprises a first air cylinder (1101), a U-shaped frame (1102) and a rectangular limiting block (1104), the U-shaped frame (1102) is arranged on the outer side below the training board (2), connecting columns (1103) are symmetrically arranged at the upper ends of the inner surfaces of two vertical boards of the U-shaped frame (1102), and the rectangular limiting block (1104) is fixedly connected to the other ends of the connecting columns (1103);
the connecting column (1103) is sleeved in the through groove (2012) in a sliding manner, and the rectangular limiting block (1104) is matched in the rectangular limiting groove (2011) in a sliding manner;
one end of the first air cylinder (1101) is fixedly connected to the middle position of one side face of the U-shaped frame (1102), and the fixed section of the first air cylinder (1101) is fixedly connected to the bottom face of the training plate (2);
base (1) top surface one side fixed mounting who puts between training board (2) and backup plate (9) has single chip microcomputer controller (5), fixed mounting has infrared ray induction sensor (501) on the top surface of single chip microcomputer controller (5).
2. The leg training device for athletics athletes as claimed in claim 1, wherein the bottom surface of the inclined upper end of the training plate (2) is fixedly connected with a fixed column (204), the fixed column (204) is used for sliding and sleeving the upper end of the U-shaped support frame (202), the middle part of the lower end of the U-shaped support frame (202) is slidably sleeved with an adjusting block (203), a side surface of the adjusting block (203) is fixedly connected with a second cylinder (205), and the other end of the second cylinder (205) is fixedly connected with the side surface of the base (1).
3. The leg training device for athletics athletes as claimed in claim 2, wherein a T-shaped sliding block (2031) is fixedly connected to the bottom surface of the adjusting block (203), a T-shaped sliding groove (102) is arranged on the top surface of the base (1) below the T-shaped sliding block (2031), and the T-shaped sliding groove (102) is used for clearance fit of the T-shaped sliding block (2031).
4. The leg training device for the athletics athletes as claimed in claim 1, wherein the middle position of the upper end of the far side of the leaning plate (9) from the training plate (2) is provided with a first fixing block (901), the top surface of the base (1) below the first fixing block (901) is provided with a middle-shaped sliding groove (101), a middle-shaped sliding block (7) is slidably clamped in the middle-shaped sliding groove (101), and the top surface of the middle-shaped sliding block (7) is fixedly connected with a second fixing block (701).
5. The leg training device for athletics athletes as claimed in claim 4, wherein a supporting column (8) is arranged between the first fixing block (901) and the second fixing block (701), two movable frames (801) are fixedly connected to both end faces of the supporting column (8), and the two movable frames (801) are rotatably connected to the first fixing block (901) and the second fixing block (701) respectively.
6. The leg training device for the athletics athletes as claimed in claim 4, wherein the middle-shaped sliding block (7) is spirally sleeved with a lead screw (6), one end of the lead screw (6) is rotatably connected to the inner side surface of the middle-shaped sliding groove (101) through a rolling bearing, and the other end of the lead screw (6) extends to the outer side of the middle-shaped sliding groove (101) and is fixedly connected with the rotating handle (601).
7. The leg training device for athletics athletes as claimed in claim 1, wherein said single-chip computer controller (5) is electrically connected to the electromagnetic pole (2071), the first cylinder (1101), the infrared induction sensor (501) and the second cylinder (205) through conductive wires, respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011368744.0A CN112642106B (en) | 2020-11-30 | 2020-11-30 | Leg training device for track and field athletes |
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|---|---|---|---|
| CN202011368744.0A CN112642106B (en) | 2020-11-30 | 2020-11-30 | Leg training device for track and field athletes |
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| CN112642106A true CN112642106A (en) | 2021-04-13 |
| CN112642106B CN112642106B (en) | 2022-03-29 |
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| CN114259686A (en) * | 2022-01-26 | 2022-04-01 | 吉林体育学院 | Bounce training device based on track and field training |
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| CN112642106B (en) | 2022-03-29 |
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