CN212235834U

CN212235834U - Leg pressing device for physical education

Info

Publication number: CN212235834U
Application number: CN202020806256.2U
Authority: CN
Inventors: 李莉; 李骁騉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2020-12-29
Anticipated expiration: 2030-05-15

Abstract

The utility model relates to a sports teaching aid technical field just discloses a leg pressing device is used in sports teaching, the on-line screen storage device comprises a base, the four corners of under base surface respectively with the top fixed connection of four telescopic links of group, the downside of telescopic link and the interior upside sliding connection of flexible pipe, the bottom of telescopic link and the top fixed connection of spring. This leg pressing device is used in sports teaching, setting through driving motor, make the threaded rod reach rotatory effect, cooperation setting through threaded rod and nut, make the pivot reach the effect of lift, setting through first gear and second gear, and the cooperation setting of the first in command and the second in command, make the pivot reach rotatory effect, the condition that most leg pressing devices can not carry out angle modulation according to people's demand has been solved, setting through telescopic link and flexible pipe, and the cooperation setting of spring, the shock attenuation effect of having solved most leg pressing devices is not fine problem.

Description

Leg pressing device for physical education

Technical Field

The utility model relates to a sports teaching aid technical field specifically is a leg pressing device is used in sports teaching.

Background

Before sports, people should do some warm-up exercises, such as leg pressing, wherein the leg pressing is a warm-up lacing wire, a propeller for smooth sports and a protective cover for avoiding injuries, the leg pressing is the basic function of martial arts, the leg pressing can protect skeletal muscles and effectively prevent injuries, but most of the existing leg pressing devices cannot be adjusted in angle according to the requirements of people, and the shock absorption effect of most of the leg pressing devices is not good.

The sports teaching is with effectual leg pressing device of damping is disclosed in chinese patent publication No. CN201822189861.5, and this sports teaching is with effectual leg pressing device of damping has improved the shock attenuation effect of device through spring and elastic rubber pad compare in ordinary spring shock-absorbing structure, but this kind of mode has very big defect: if the elastic rubber pad shifts, the damping effect is greatly reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a leg pressing device is used in sports teaching has solved most leg pressing devices and can not carry out the shock attenuation effect of angle modulation and most leg pressing devices according to people's demand and is not fine problem.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a leg pressing device for physical education comprises a base, four corners of the lower surface of the base are respectively fixedly connected with the top ends of four groups of telescopic rods, the lower side of each telescopic rod is slidably connected with the inner upper side of a telescopic pipe, the bottom end of each telescopic rod is fixedly connected with the top of a spring, the bottom of each spring is fixedly connected with the inner wall of the bottom of each telescopic pipe, the bottom of each telescopic pipe is fixedly connected with a universal wheel, a motor cavity is formed in the inner left side of the base, the inner wall of the bottom of the motor cavity is fixedly connected with the bottom of a driving motor, the output end of the driving motor firstly penetrates through the inner wall of the top of the motor cavity and then penetrates through the bottom of a rotating rod to be fixedly connected with the bottom of a threaded rod, the threaded rod is rotatably connected inside a rotating groove, the inner wall of the top of, the left side of nut and the left end fixed connection of pivot, the well top of pivot and the bottom fixed connection of cushion, the right-hand member of pivot passes the left side of control box and the left side fixed connection of first gear, first gear revolve connects in the inside in gear chamber, first gear is connected with the meshing of second gear, the right side of first gear and the left side fixed connection of the first in command, the right side of second gear and the left side fixed connection of the second in command, the lower surface of control box and the top fixed connection of lifter, the bottom of lifter and the interior top sliding connection of fall way, the bottom of fall way and the right side fixed connection of base upper surface.

Preferably, one side of the universal wheel is provided with a brake pad, the brake pad is composed of a steel plate, a bonding heat insulation layer and a friction block, the heat insulation layer is composed of a non-heat-transfer material, and the friction block is composed of a friction material and an adhesive.

Preferably, the outer surface of the threaded rod is provided with an external thread, the inner part of the nut is provided with an internal thread, and the external thread is matched with the internal thread.

Preferably, the shape of cushion is the rectangle, and the middle part of cushion upside has seted up the semicircular groove, and the cushion chooses for use is the rubber shock pad.

Preferably, the teeth of the first gear are matched with the teeth of the second gear, and the size of the first gear is three times that of the second gear.

Preferably, the outer surface of the first handle and the outer surface of the second handle are both provided with anti-slip layers, and the anti-slip layers are made of rubber.

(III) advantageous effects

The utility model provides a leg pressing device is used in sports teaching possesses following beneficial effect:

1. this leg pressing device is used in sports teaching, setting through driving motor, make the threaded rod reach rotatory effect, cooperation setting through threaded rod and nut, make the pivot reach the effect of lift, setting through first gear and second gear, and the cooperation setting of the first in command and the second in command, make the pivot reach rotatory effect, the condition that most leg pressing devices can not carry out angle modulation according to people's demand has been solved, setting through telescopic link and flexible pipe, and the cooperation setting of spring, the shock attenuation effect of having solved most leg pressing devices is not fine problem.

2. This leg pressing device for sports teaching through the setting of cushion, and the user can place the leg on the cushion, through the setting of lifter, makes the control box reach spacing effect of removing, through the setting in gear chamber, makes first gear and second gear have sufficient rotatory space, through the setting of universal wheel, makes this leg pressing device for sports teaching still have the effect of being convenient for remove.

Drawings

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

FIG. 2 is a schematic structural view of the base of the present invention;

fig. 3 is a schematic structural diagram of the control box of the present invention.

In the figure: 1. a base; 2. a telescopic rod; 3. a telescopic pipe; 4. a spring; 5. a universal wheel; 6. a motor cavity; 7. a drive motor; 8. rotating the rod; 9. a threaded rod; 10. a rotating groove; 11. a nut; 12. a rotating shaft; 13. a soft cushion; 14. a control box; 15 a first gear; 16. a gear cavity; 17. a second gear; 18. a first handle; 19. a second handle; 20. a lifting rod; 21. and (4) lifting the tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a leg pressing device for physical education comprises a base 1, four corners of the lower surface of the base 1 are respectively fixedly connected with the top ends of four groups of telescopic rods 2, the lower side of each telescopic rod 2 is slidably connected with the inner upper side of a telescopic pipe 3, the bottom end of each telescopic rod 2 is fixedly connected with the top of a spring 4, the telescopic rods 2 and the telescopic pipes 3 are arranged, and the springs 4 are arranged in a matched mode, so that the problem that most leg pressing devices are not good in damping effect is solved, the bottom of each spring 4 is fixedly connected with the inner wall of the bottom of each telescopic pipe 3, the bottom end of each telescopic pipe 3 is fixedly connected with a universal wheel 5, the leg pressing device for physical education is convenient to move due to the arrangement of the universal wheels 5, a motor cavity 6 is formed in the inner left side of the base 1, the inner wall of the bottom of the motor cavity 6 is fixedly connected with the bottom of a driving motor 7, and the driving motor 7 adopts a, through the setting of the driving motor 7, the threaded rod 9 is enabled to achieve a rotating effect, the output end of the driving motor 7 firstly penetrates through the top inner wall of the motor cavity 6 and then penetrates through the bottom of the rotating rod 8 to be fixedly connected with the bottom end of the threaded rod 9, the threaded rod 9 is rotatably connected inside the rotating groove 10, the top inner wall of the rotating groove 10 is rotatably connected with the top end of the threaded rod 9, the outer side of the threaded rod 9 is in threaded connection with the middle of the nut 11, through the matching setting of the threaded rod 9 and the nut 11, the rotating shaft 12 is enabled to achieve a lifting effect, the left side of the nut 11 is fixedly connected with the left end of the rotating shaft 12, the middle top of the rotating shaft 12 is fixedly connected with the bottom of the cushion 13, through the setting of the cushion 13, a user can place legs on the cushion 13, the right end of the rotating shaft 12 penetrates through the left side of the control, through the arrangement of the gear cavity 16, the first gear 15 and the second gear 17 have enough rotating space, the first gear 15 is meshed with the second gear 17, the arrangement of the first gear 15 and the second gear 17 and the matching arrangement of the first handle 18 and the second handle 19 enable the rotating shaft 12 to achieve the rotating effect, thereby solving the problem that most leg pressing devices can not adjust the angle according to the requirements of people, the right side of the first gear 15 is fixedly connected with the left side of a first handle 18, the right side of the second gear 17 is fixedly connected with the left side of a second handle 19, the lower surface of the control box 14 is fixedly connected with the top end of a lifting rod 20, through the setting of lifter 20, make control box 14 reach spacing effect of removing, lifter 20's bottom and the interior top sliding connection of fall way 21, fall way 21's bottom and the right side fixed connection of base 1 upper surface.

The utility model discloses in, in order to prevent that this leg pressing device for sports teaching from taking place the condition of maloperation under the stop state, one side of universal wheel 5 is provided with the brake block, and the brake block comprises steel sheet, bonding insulating layer and clutch blocks, and wherein the insulating layer comprises the material that does not transfer heat, and the clutch blocks comprises friction material, binder.

The utility model discloses in, in order to make threaded rod 9 inseparabler with the laminating of nut 11, make threaded rod 9 and screw thread 11 pivoted more stable, the surface of threaded rod 9 is provided with the external screw thread, and the inside of nut 11 is provided with the internal thread, external screw thread and internal thread looks adaptation.

The utility model discloses in, can feel very comfortable when placing the leg on cushion 13 for the user, cushion 13's shape is the rectangle, and semicircular groove has been seted up at the middle part of cushion 13 upside, and cushion 13 chooses for use is the rubber shock pad.

The utility model discloses in, in order to make second gear 17 can reach the effect of fine setting, the tooth of first gear 15 and the tooth looks adaptation of second gear 17, the size of first gear 15 is the triple of second gear 17 size.

The utility model discloses in, for the pivot first in command 18 or the second in command 19 that the user can be more firm, the surface of the first in command 18 and the surface of the second in command 19 all are provided with the skid resistant course, and the material of skid resistant course is rubber.

When in use, a user moves the leg pressing device for physical education through the universal wheel 5, the user places one leg on the soft cushion 13, the user starts the driving motor 7 according to the actual placement condition, the driving motor 7 drives the nut 11 to move up and down through the threaded rod 9, so that the rotating shaft 12, the soft cushion 13 and the control box 14 move up and down, the lifting rod 20 synchronously moves up and down, the user closes the driving motor 7 according to the actual lifting condition, adjusts the first handle 18, the first handle 18 drives the rotating shaft 12 through the first gear 15 to perform rough adjustment, then adjusts the second handle 19, the second handle 19 drives the rotating shaft 12 through the second gear 17 to perform fine adjustment, the user performs leg pressing training according to the actual adjustment condition, in the leg pressing process, the telescopic rod 2 is pressed and transmits the pressure to the spring 4, so that the spring 4 generates elastic deformation, thereby make this leg pressing device for sports teaching have good shock attenuation effect.

In conclusion, the leg pressing device for physical education teaching has the advantages that the threaded rod 9 is enabled to achieve the rotating effect through the arrangement of the driving motor 7, the rotating shaft 12 is enabled to achieve the lifting effect through the matching arrangement of the threaded rod 9 and the nut 11, the rotating shaft 12 is enabled to achieve the rotating effect through the arrangement of the first gear 15 and the second gear 17 and the matching arrangement of the first handle 18 and the second handle 19, the problem that most leg pressing devices cannot adjust angles according to requirements of people is solved, the problem that the damping effect of most leg pressing devices is not good is solved through the arrangement of the telescopic rod 2, the telescopic pipe 3 and the spring 4, the user can place legs on the soft cushion 13 through the arrangement of the soft cushion 13, the control box 14 achieves the limiting movement effect through the arrangement of the lifting rod 20, the first gear 15 and the second gear 17 have enough rotating space through the arrangement of the gear cavity 16, through the setting of universal wheel 5, make this leg pressing device for sports teaching still have the effect of being convenient for remove.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a leg pressing device is used in sports teaching, includes base (1), its characterized in that: the four corners of base (1) lower surface respectively with the top fixed connection of four telescopic links (2), the downside of telescopic link (2) and the interior upside sliding connection of flexible pipe (3), the bottom of telescopic link (2) and the top fixed connection of spring (4), the bottom of spring (4) and the bottom inner wall fixed connection of flexible pipe (3), the bottom fixed connection of flexible pipe (3) has universal wheel (5), motor chamber (6) have been seted up on the interior left side of base (1), the bottom inner wall of motor chamber (6) and the bottom fixed connection of driving motor (7), the output of driving motor (7) passes the top inner wall of motor chamber (6) earlier and then passes the bottom fixed connection of the bottom of dwang (8) and threaded rod (9), threaded rod (9) rotate to be connected in the inside of rotating groove (10), the top inner wall of the rotating groove (10) is rotatably connected with the top end of the threaded rod (9), the outer side of the threaded rod (9) is in threaded connection with the middle of the nut (11), the left side of the nut (11) is fixedly connected with the left end of the rotating shaft (12), the middle top of the rotating shaft (12) is fixedly connected with the bottom of the cushion (13), the right end of the rotating shaft (12) penetrates through the left side of the control box (14) and the left side of the first gear (15), the first gear (15) is rotatably connected inside the gear cavity (16), the first gear (15) is meshed with the second gear (17) and is connected with the right side of the first gear (15) and the left side of the first handle (18), the right side of the second gear (17) is fixedly connected with the left side of the second handle (19), the lower surface of the control box (14) is fixedly connected with the top end of the lifting rod (20), the bottom of lifter (20) and the interior top sliding connection of fall way (21), the bottom of fall way (21) and the right side fixed connection of base (1) upper surface.

2. The leg pressing device for physical education as claimed in claim 1, wherein: one side of the universal wheel (5) is provided with a brake pad, the brake pad is composed of a steel plate, a bonding heat insulation layer and a friction block, wherein the heat insulation layer is composed of a non-heat-transfer material, and the friction block is composed of a friction material and an adhesive.

3. The leg pressing device for physical education as claimed in claim 1, wherein: the outer surface of the threaded rod (9) is provided with an external thread, the inner part of the nut (11) is provided with an internal thread, and the external thread is matched with the internal thread.

4. The leg pressing device for physical education as claimed in claim 1, wherein: the shape of cushion (13) is rectangle, and semicircular groove has been seted up at the middle part of cushion (13) upside, and cushion (13) select for use be rubber shock pad.

5. The leg pressing device for physical education as claimed in claim 1, wherein: the teeth of the first gear (15) are matched with the teeth of the second gear (17), and the size of the first gear (15) is three times that of the second gear (17).

6. The leg pressing device for physical education as claimed in claim 1, wherein: the outer surface of the first handle (18) and the outer surface of the second handle (19) are both provided with anti-slip layers, and the anti-slip layers are made of rubber.