CN214913100U

CN214913100U - Leg pressing device for physical training

Info

Publication number: CN214913100U
Application number: CN202121228693.1U
Authority: CN
Inventors: 李蒲玲
Original assignee: Nanjing Vocational University of Industry Technology NUIT
Current assignee: Nanjing Vocational University of Industry Technology NUIT
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-11-30
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses a leg pressing device for sports training relates to sports apparatus technical field. The improved bearing device comprises a chassis, the upper surface on chassis installs first rectangular pipe through first fixed establishment, fixed mounting has the bearing frame on the downside inner wall of first rectangular pipe, be provided with the lead screw in the bearing frame, the lead screw passes through bevel gear and actuating mechanism transmission is connected, and actuating mechanism installs on first rectangular pipe left side wall, use ball nut on the lead screw, ball nut's last fixed surface installs the second rectangular pipe, the cross is installed through second fixed establishment to the upper surface of second rectangular pipe, the arc rack is all installed through adjustment mechanism all around to the upper surface of cross. The utility model discloses be convenient for highly adjust the arc rack, and make things convenient for the dismouting, can satisfy many people leg pressing simultaneously and use, area occupied is littleer, and the practicality is strong, is convenient for install this leg pressing device, and it is more convenient to use.

Description

Leg pressing device for physical training

Technical Field

The utility model relates to a sports apparatus technical field specifically is a leg pressing device for sports training.

Background

At present, some sports training projects need to stretch the limbs before training, and phenomena such as limb strain and the like are prevented from occurring in the training process, and especially leg training of such sports projects as martial arts and gymnastics needs to realize some basic action exercises by pressing the legs, so that leg stretching instruments are used for leg pressing in sports training or stretching the limbs before sports, but the existing leg pressing devices for sports training have the following problems when in use:

1. in the prior art, the leg pressing devices are mostly fixed structures, the height of the placing rack cannot be adjusted, the use requirements of people with different heights cannot be met, and the leg pressing devices cannot be disassembled and assembled, so that inconvenience is brought to carrying;

2. in the prior art, a plurality of leg pressing devices can only be used by one person, and the leg pressing devices used by a plurality of persons are long in length, occupy a large using area and are inconvenient to use;

3. among the prior art, leg pressing device passes through the inflation screw to be installed more, needs to cause destruction to ground, and is loaded down with trivial details in the installation, and the practicality is poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a leg pressing device for sports training possesses and is convenient for highly adjusting the arc rack, and makes things convenient for the dismouting, can satisfy many people leg pressing simultaneously and use, uses more convenient advantage to solve and can't highly adjusting the rack, can't carry out the dismouting, can only satisfy and use alone mostly, leg pressing device that many people used is then length longer, needs to occupy great usable floor area, loaded down with trivial details problem in the installation.

Highly adjusting the arc rack for the realization is convenient for, and make things convenient for the dismouting, can satisfy many people leg pressing simultaneously and use, use more convenient purpose, the utility model provides a following technical scheme: a leg pressing device for physical training comprises a chassis, wherein supporting mechanisms are fixedly mounted on the peripheral side surfaces of the chassis, a first rectangular pipe is mounted on the upper surface of the chassis through a first fixing mechanism, the upper surface of the first rectangular pipe is of an open structure, a bearing seat is fixedly mounted on the inner wall of the lower side of the first rectangular pipe, a lead screw is arranged in the bearing seat and is in transmission connection with a driving mechanism through a bevel gear, the driving mechanism is mounted on the left side wall of the first rectangular pipe, a ball nut is used on the lead screw, a second rectangular pipe is fixedly mounted on the upper surface of the ball nut, a cross plate is mounted on the upper surface of the second rectangular pipe through a second fixing mechanism, arc-shaped placing frames are mounted on the periphery of the upper surface of the cross plate through adjusting mechanisms, and each adjusting mechanism comprises a rectangular opening, a first locking bolt and a rectangular rod, two rectangular openings are formed in the upper surface of the cross plate and close to the edge positions of the peripheral sides, rectangular rods are installed in the rectangular openings through first locking bolts, and the lower surfaces of the rectangular rods are fixedly connected with the lower surface of the arc-shaped placing frame.

As a preferred technical scheme of the utility model, supporting mechanism includes rectangular channel, second locking bolt, movable plate and backup pad, the rectangular channel is all seted up to the side all around on chassis, all install the movable plate through second locking bolt in the rectangular channel, the equal fixed mounting in side on chassis has the backup pad, and backup pad lower surface and chassis lower surface level parallel and level are kept away from to the movable plate.

As a preferred technical scheme of the utility model, first fixed establishment includes rectangle cover and third locking bolt, rectangle cover fixed mounting is in the chassis upper surface, the rectangle cover is fixed through third locking bolt and first rectangle pipe locking, second fixed establishment is the same with first fixed establishment structure.

As a preferred technical scheme of the utility model, set up the through hole that supplies the lead screw current with the corresponding position of lead screw on the lower lateral wall of second rectangular pipe, and the laminating of second rectangular pipe surface and first rectangular pipe inner wall mutually.

As an optimal technical scheme of the utility model, the last fixed surface of lead screw installs the stopper.

As a preferred technical scheme of the utility model, actuating mechanism includes bearing housing, transfer line and twist grip, bearing housing fixed mounting is on first rectangular pipe left side wall, fixed mounting has the transfer line in the bearing housing, and transfer line right flank and bevel gear fixed connection, transfer line left surface fixed mounting has twist grip.

As an optimized technical scheme of the utility model, the fixed surface of arc rack pastes and has the foam-rubber cushion.

Compared with the prior art, the utility model provides a leg pressing device for sports training possesses following beneficial effect:

1. this a leg pressing device for sports training drives the lead screw rotation through setting up actuating mechanism, and the lead screw makes ball nut drive second rectangular pipe reciprocate, and the arc rack reciprocates on the second rectangular pipe drives the cross, is convenient for highly adjust the arc rack, and the dismouting is convenient for carry out to this leg pressing device to first fixed establishment of rethread and second fixed establishment, the transport after the convenient to detach.

2. This a leg pressing device for sports training drives the arc rack through setting up cross adjustment mechanism all around and reciprocates, makes four arc racks can satisfy many people leg pressing simultaneously and use, and area occupied is littleer, and the practicality is strong.

3. This a leg pressing device for sports training opens through setting up the backup pad among the supporting mechanism, increases the support area, is convenient for install this leg pressing device, and it is more convenient to use.

Drawings

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

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is a top view of the cross plate of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a chassis; 2. a support mechanism; 201. a rectangular groove; 202. a second locking bolt; 203. moving the plate; 204. a support plate; 3. a first fixing mechanism; 301. a rectangular sleeve; 302. a third locking bolt; 4. a first rectangular tube; 5. a bearing seat; 6. a screw rod; 7. a bevel gear; 8. a drive mechanism; 801. a bearing housing; 802. a transmission rod; 803. rotating the handle; 9. a ball nut; 10. a second rectangular tube; 11. a second fixing mechanism; 12. a cross plate; 13. an adjustment mechanism; 131. a rectangular opening; 132. a first locking bolt; 133. a rectangular bar; 14. an arc-shaped placing rack; 15. a through hole; 16. a limiting block; 17. a spongy cushion.

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. 1-4, the present invention discloses a leg pressing device for physical training, which comprises a chassis 1, wherein a supporting mechanism 2 is fixedly mounted on the peripheral side of the chassis 1, a first rectangular tube 4 is mounted on the upper surface of the chassis 1 through a first fixing mechanism 3, the upper surface of the first rectangular tube 4 is of an open structure, a bearing seat 5 is fixedly mounted on the inner wall of the lower side of the first rectangular tube 4, a lead screw 6 is arranged in the bearing seat 5, the lead screw 6 is in transmission connection with a driving mechanism 8 through a bevel gear 7, the driving mechanism 8 is mounted on the left side wall of the first rectangular tube 4, a ball nut 9 is used on the lead screw 6, a second rectangular tube 10 is fixedly mounted on the upper surface of the ball nut 9, a cross plate 12 is mounted on the upper surface of the second rectangular tube 10 through a second fixing mechanism 11, an arc 14 is mounted on the periphery of the upper surface of the cross plate 12 through an adjusting mechanism 13, adjusting mechanism 13 includes rectangle opening 131, first locking bolt 132 and rectangle pole 133, two rectangle openings 131 have all been seted up to the side border position near all around on the upper surface of cross plate 12, install rectangle pole 133 through first locking bolt 132 in the rectangle opening 131, rectangle pole 133 lower surface and arc rack 14 lower fixed surface are connected.

Specifically, the supporting mechanism 2 comprises a rectangular groove 201, a second locking bolt 202, a moving plate 203 and a supporting plate 204, the rectangular groove 201 is formed in the side face of the base plate 1 all around, the moving plate 203 is installed in the rectangular groove 201 through the second locking bolt, the supporting plate 204 is fixedly installed on the side face, far away from the base plate 1, of the moving plate 203, and the lower surface of the supporting plate 204 is horizontally flush with the lower surface of the base plate 1.

In this embodiment, the moving plate 203 moves left and right in the rectangular groove 201, so as to achieve the effect of adjusting the left and right positions of the supporting plate 204, so that the supporting area of the supporting plate 204 is larger, and the chassis 1 is placed more stably.

Specifically, the first fixing mechanism 3 includes a rectangular sleeve 301 and a third locking bolt 302, the rectangular sleeve 301 is fixedly mounted on the upper surface of the chassis 1, the rectangular sleeve 301 is locked and fixed with the first rectangular tube 4 through the third locking bolt 302, and the second fixing mechanism 11 has the same structure as the first fixing mechanism 3.

In this embodiment, the rectangular sleeve 301 and the first rectangular tube 4 are locked and fixed by the third locking bolt 302, so that the rectangular sleeve 301 and the first rectangular tube 4 can be conveniently disassembled and assembled, and similarly, the second fixing mechanism 11 can conveniently disassemble and assemble the second rectangular tube 10 and the cross plate 12.

Specifically, a through hole 15 for the screw rod 6 to pass through is formed in the position, corresponding to the screw rod 6, on the lower side wall of the second rectangular tube 10, and the outer surface of the second rectangular tube 10 is attached to the inner wall of the first rectangular tube 4.

In this embodiment, the through hole 15 facilitates the second rectangular tube 10 to move up and down along the screw rod 6 along with the ball nut 9, and the second rectangular tube 10 moves up and down stably in the first rectangular tube 4.

Specifically, a limiting block 16 is fixedly mounted on the upper surface of the screw rod 6.

In this embodiment, the limiting block 16 prevents the second rectangular tube 10 from falling off from the screw rod 6.

Specifically, the driving mechanism 8 includes a bearing sleeve 801, a transmission rod 802 and a rotating handle 803, the bearing sleeve 801 is fixedly installed on the left side wall of the first rectangular pipe 4, the transmission rod 802 is fixedly installed in the bearing sleeve 801, the right side surface of the transmission rod 802 is fixedly connected with the bevel gear 7, and the rotating handle 803 is fixedly installed on the left side surface of the transmission rod 802.

In this embodiment, the rotating handle 803 rotates the transmission rod 802 in the bearing sleeve 801, and the transmission rod 802 can drive the screw rod 6 to rotate through the bevel gear 7.

Specifically, a sponge cushion 17 is fixedly adhered to the upper surface of the arc-shaped placing frame 14.

In this embodiment, the foam-rubber cushion 17 has flexibility, makes the upper surface of the arc-shaped placing frame 14 softer, and is more comfortable when the legs are placed on the upper surface of the arc-shaped placing frame 14.

The utility model discloses a theory of operation and use flow: when the device is used, the moving plate 203 in the supporting mechanism 2 moves in the direction far away from the chassis 1 in the rectangular groove 201, the chassis 1 and the moving plate 203 are locked and fixed through the second locking bolt 202, the supporting area of the supporting plate 204 is larger, the chassis 1 is more stably placed, the transmission rod 802 rotates in the bearing sleeve 801 through the rotating handle 803 in the driving mechanism 8, the transmission rod 802 can drive the lead screw 6 to rotate through the bevel gear 7, the lead screw 6 drives the ball nut 9 to drive the second rectangular pipe 10 to move up and down in the first rectangular pipe 4, the second rectangular pipe 10 drives the cross plate 12 to move up and down, the height of the arc-shaped placing frame 14 is preliminarily determined, the arc-shaped placing frame 14 at the periphery can be adjusted according to the height of a specific user through the rectangular rod 133 in the adjusting mechanism 13 moving up and down in the rectangular opening 131, and the rectangular rod 133 is locked and fixed through the first locking bolt 132, so as to achieve the effect of adjusting the height of the arc-shaped placing frame 14, make four arc rack 14 can satisfy many people leg pressing simultaneously and use, area occupied is littleer, and the practicality is strong.

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. A leg-pressing device for physical training, comprising a chassis (1), characterized in that: the supporting mechanism (2) is fixedly mounted on the peripheral side face of the chassis (1), the first rectangular pipe (4) is mounted on the upper surface of the chassis (1) through the first fixing mechanism (3), the upper surface of the first rectangular pipe (4) is of an open structure, a bearing seat (5) is fixedly mounted on the inner wall of the lower side of the first rectangular pipe (4), a lead screw (6) is arranged in the bearing seat (5), the lead screw (6) is in transmission connection with a driving mechanism (8) through a bevel gear (7), the driving mechanism (8) is mounted on the left side wall of the first rectangular pipe (4), a ball nut (9) is used on the lead screw (6), a second rectangular pipe (10) is fixedly mounted on the upper surface of the ball nut (9), and a cross plate (12) is mounted on the upper surface of the second rectangular pipe (10) through a second fixing mechanism (11), arc rack (14) are all installed through adjustment mechanism (13) all around to the upper surface of cross plate (12), adjustment mechanism (13) include rectangle opening (131), first locking bolt (132) and rectangle pole (133), two rectangle openings (131) have all been seted up near side edge position all around to cross plate (12) upper surface, install rectangle pole (133) through first locking bolt (132) in rectangle opening (131), rectangle pole (133) lower surface and arc rack (14) lower fixed surface are connected.

2. A leg press device for sports training according to claim 1, wherein: supporting mechanism (2) include rectangular channel (201), second locking bolt (202), movable plate (203) and backup pad (204), rectangular channel (201) are all seted up to the side all around of chassis (1), all install movable plate (203) through second locking spiral shell in rectangular channel (201), the equal fixed mounting in side of chassis (1) is kept away from in movable plate (203) has backup pad (204), and backup pad (204) lower surface and chassis (1) lower surface level parallel and level.

3. A leg press device for sports training according to claim 1, wherein: the first fixing mechanism (3) comprises a rectangular sleeve (301) and a third locking bolt (302), the rectangular sleeve (301) is fixedly installed on the upper surface of the chassis (1), the rectangular sleeve (301) is fixedly locked with the first rectangular pipe (4) through the third locking bolt (302), and the second fixing mechanism (11) is identical to the first fixing mechanism (3) in structure.

4. A leg press device for sports training according to claim 1, wherein: and a through hole (15) for the lead screw (6) to pass through is formed in the position, corresponding to the lead screw (6), on the lower side wall of the second rectangular pipe (10), and the outer surface of the second rectangular pipe (10) is attached to the inner wall of the first rectangular pipe (4).

5. A leg press device for sports training according to claim 1, wherein: and a limiting block (16) is fixedly arranged on the upper surface of the screw rod (6).

6. A leg press device for sports training according to claim 1, wherein: actuating mechanism (8) include bearing housing (801), transfer line (802) and twist grip (803), bearing housing (801) fixed mounting is on first rectangular pipe (4) left side wall, fixed mounting has transfer line (802) in bearing housing (801), and transfer line (802) right flank and bevel gear (7) fixed connection, transfer line (802) left side fixed mounting has twist grip (803).

7. A leg press device for sports training according to claim 1, wherein: a sponge cushion (17) is fixedly stuck on the upper surface of the arc-shaped placing rack (14).