CN216725633U

CN216725633U - Parallel bars convenient to height-adjusting

Info

Publication number: CN216725633U
Application number: CN202122901536.9U
Authority: CN
Inventors: 刘文燕
Original assignee: Wuxi Institute of Technology
Current assignee: Wuxi Institute of Technology
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-06-14
Anticipated expiration: 2031-11-24

Abstract

The utility model discloses a parallel bar convenient for height adjustment, which comprises a driving box, wherein the front end and the rear end of the inner right side of the driving box are fixedly connected with a motor, the driving end of the left end of the motor is fixedly connected with a bidirectional threaded rod, the two ends of the middle part of the bidirectional threaded rod are respectively in threaded connection with a threaded sleeve, the upper end of the threaded sleeve is respectively and fixedly connected with a sliding cylinder, the upper end of the sliding rod is respectively and fixedly connected with the front end and the rear end of the lower side of a supporting rod, the upper end of the driving box is fixedly connected with a base pad, the inner upper part of the base pad is fixedly connected with an elastic pad, the lower end of the elastic pad is fixedly connected with a base plate, and springs are uniformly distributed at the lower end of the base plate. According to the utility model, the height and the distance of the support rods of the parallel bars can be adjusted, so that students or athletes with different heights and weights can comfortably use the parallel bars, and the possibility of injury of the students or the athletes due to falling from the parallel bars is greatly reduced.

Description

Parallel bars convenient to height-adjusting

Technical Field

The utility model relates to the field of sports equipment, in particular to a parallel bar convenient for height adjustment.

Background

Parallel bars (parallel bars) are sports equipment, metal racks supporting two parallel bars of wood, plastic or synthetic metal. A typical set of parallel bars, which are also one of the devices commonly used by school students for physical exercise, includes switching between a support position, an inverted position and a boom position, in which the athlete performs a swing, a swing-over, a flexion-extension, an arc-shaped swing, a loop, a flip, a still, etc., and finally, the next law of the whole set of movements requires to stand on one side of the bar.

Chinese patent document CN206566413U discloses a detachable parallel bar, comprising: the bottom frame is provided with 4 bottom inserting pipes which extend upwards; the lower end parts of the four vertical pipes correspond to each other in pairs and are detachably inserted into the bottom inserting pipe; the lower parts of the two horizontal pipes are respectively provided with a top inserting pipe extending downwards, and the upper end parts of the vertical pipes are pairwise corresponding and detachably inserted into the top inserting pipes. The utility model has the advantages that: be convenient for accomodate and transport, and dismantle comparatively simply, but this patent mainly has following two shortcomings, can not adjust interval and height between the bracing piece according to different sportsman or student's height and fat thin, leads to application scope not wide, secondly does not set up protector, and student or sportsman are when taking exercise, and the condition that takes off the hand and fall off from the parallel bars can appear inevitable, do not set up protector and lead to student or sportsman injured probability increase.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a parallel bar convenient for height adjustment.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a parallel bars convenient to height-adjusting, includes the drive case, the equal fixedly connected with motor of the interior right side front and back end of drive case, the equal fixedly connected with two-way threaded rod of left end drive end of motor, the equal threaded connection in middle part both ends of two-way threaded rod has the thread bush, the equal fixedly connected with slide cartridge in upper end of thread bush, the upper end of slide cartridge all has the slide bar through bolted connection, the equal fixed connection in upper end of slide bar is in the downside front and back end of bracing piece, the equal fixedly connected with antiskid cover in outside of bracing piece, the upper end fixedly connected with base pad of drive case, the interior upper portion fixed connection of base pad has the cushion, the lower extreme fixedly connected with backing plate of cushion, the lower extreme evenly distributed of backing plate has the spring.

As a further description of the above technical solution:

the left end of the bidirectional threaded rod is rotatably connected to the middle of the front end and the rear end of the inner left side of the driving box through bearings.

As a further description of the above technical solution:

the lower ends of the thread sleeves are connected to the inner lower wall of the driving box in a sliding mode.

As a further description of the above technical solution:

the periphery of the lower end of the sliding cylinder is connected in the front end groove and the rear end groove of the base pad in a sliding mode.

As a further description of the above technical solution:

and limiting holes are uniformly distributed in the middle of the sliding rod.

As a further description of the above technical solution:

the lower ends of the slide bars are all connected in the opening at the upper end of the slide cylinder in a sliding mode.

As a further description of the above technical solution:

the periphery of the backing plate is connected with the inner periphery of the base pad in a sliding mode.

As a further description of the above technical solution:

the lower ends of the springs are fixedly connected to the inner lower wall of the base pad.

The utility model has the following beneficial effects:

1. according to the parallel bars, firstly, before parallel bars are used for exercise, a motor in a driving box is started, the bidirectional threaded rod is driven to rotate, the threaded sleeve drives the sliding cylinders to be close to or far away from each other, the supporting rods at the upper ends of the sliding rods are further close to or far away from each other, the bolts are taken down, the height of the supporting rods is adjusted to a proper position, the bolts are installed to limit the height, the height and the distance between the supporting rods of the parallel bars can be adjusted, and students or athletes with different heights and weights can comfortably use the parallel bars.

2. When a student or an athlete falls down on the parallel bars carelessly and falls down on the base pad, the falling impact force is reduced by the elastic pad on the upper part in the base pad, and the falling impact force is reduced by the springs uniformly distributed on the lower part of the base pad, so that the possibility that the student or the athlete is injured due to the falling from the parallel bars is greatly reduced.

Drawings

FIG. 1 is a perspective view of a parallel bar of the present invention with height adjustment facilitated;

FIG. 2 is a front view of an internal structure of a parallel bar convenient for height adjustment according to the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

Illustration of the drawings:

1. a drive box; 2. a motor; 3. a bidirectional threaded rod; 4. a threaded sleeve; 5. a bearing; 6. a slide cylinder; 7. a bolt; 8. a slide bar; 9. a limiting hole; 10. a support bar; 11. an anti-slip sleeve; 12. a base pad; 13. an elastic pad; 14. a base plate; 15. a spring.

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 should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, one embodiment of the present invention is provided: a parallel bar convenient for height adjustment comprises a driving box 1, wherein the front end and the rear end of the inner right side of the driving box 1 are fixedly connected with a motor 2, the driving end of the left end of the motor 2 is fixedly connected with a bidirectional threaded rod 3, the two ends of the middle part of the bidirectional threaded rod 3 are in threaded connection with a threaded sleeve 4, the upper end of the threaded sleeve 4 is fixedly connected with a sliding barrel 6, the upper end of the sliding barrel 6 is connected with a sliding rod 8 through a bolt 7, firstly, the motor 2 in the driving box 1 is started before the parallel bar is used for exercise, the sliding barrel 6 is driven to be close to or far away from by the threaded sleeve 4 through driving the bidirectional threaded rod 3 to rotate, then, a supporting rod 10 at the upper end of the sliding rod 8 is close to or far away from, the bolt 7 is taken down, after the height of the supporting rod 10 is adjusted to a proper position, the bolt 7 is installed to limit the height, the height and the distance of the supporting rod 10 of the parallel bar can be adjusted, students or athletes with different heights and weights can use the parallel bar comfortably, the equal fixed connection in the downside front and back end of bracing piece 10 in slide bar 8's upper end, the equal fixedly connected with antiskid cover 11 in the outside of bracing piece 10, antiskid cover 11 can reduce the possibility that student or sportsman appear taking off the hand from the bracing piece 10 of parallel bar, the upper end fixedly connected with base pad 12 of drive case 1, the interior upper portion fixed connection of base pad 12 has cushion 13, the lower extreme fixedly connected with backing plate 14 of cushion 13, the lower extreme evenly distributed of backing plate 14 has spring 15, when student or sportsman fall down carelessly on the parallel bar, after dropping to base pad 12, cushion 13 through upper portion in base pad 12 plays the impact force of first heavy reduction whereabouts, the impact force of second heavy reduction whereabouts is played to spring 15 of rethread backing plate 14 lower part evenly distributed, very big reduction student or sportsman are because of falling from the parallel bar and injured's possibility.

The left end of two-way threaded rod 3 all rotates through bearing 5 and connects at the interior left side front and back end middle part of

drive case

1, 3 spacing rotations to two-way threaded rod, the equal sliding connection of lower extreme of thread bush 4 is at the interior lower wall of drive case 1, to the spacing slip of thread bush 4, the equal sliding connection of lower extreme periphery of slide cartridge 6 is in the front and back end fluting of base pad 12, to the spacing slip of slide cartridge 6, the equal evenly distributed in middle part of slide bar 8 has spacing hole 9, can adjust the position of slide bar 8 in slide cartridge 6 through spacing hole 9, thereby adjust the height of bracing piece 10, the equal sliding connection of lower extreme of slide bar 8 is in the upper end opening of slide cartridge 6, the equal fixed connection of periphery of backing plate 14 is in the interior week of base pad 12, the equal fixed connection of lower extreme of spring 15 is at the interior lower wall of base pad 12, it is spacing to spring 15.

The working principle is as follows: firstly, before the parallel bars are used for exercise, the motor 2 in the driving box 1 is started, the bidirectional threaded rod 3 is driven to rotate, so that the threaded sleeve 4 drives the sliding cylinder 6 to approach or separate from each other, further making the support bar 10 at the upper end of the slide bar 8 close to or far away from each other, taking down the bolt 7, adjusting the height of the support bar 10 to a proper position, the bolts 7 are arranged to limit the height, so that the height and the distance of the support rods 10 of the parallel bars can be adjusted, students or athletes with different heights and weights can comfortably use the parallel bars, when a student or a sportsman accidentally drops on the parallel bars, after the student or the sportsman drops on the base pad 12, the elastic pad 13 on the upper part in the base pad 12 plays a role in reducing the falling impact force for the first time, and the springs 15 uniformly distributed on the lower part of the base plate 14 play a role in reducing the falling impact force for the second time, so that the possibility that the student or the sportsman is injured due to the drop from the parallel bars is greatly reduced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a parallel bars convenient to height-adjusting, includes drive case (1), its characterized in that: the front end and the rear end of the inner right side of the driving box (1) are fixedly connected with a motor (2), the left end driving end of the motor (2) is fixedly connected with a bidirectional threaded rod (3), both ends of the middle part of the bidirectional threaded rod (3) are in threaded connection with threaded sleeves (4), the upper ends of the thread sleeves (4) are fixedly connected with sliding cylinders (6), the upper ends of the sliding cylinders (6) are connected with sliding rods (8) through bolts (7), the upper ends of the slide bars (8) are fixedly connected with the front end and the rear end of the lower side of the support bar (10), the outer parts of the support rods (10) are fixedly connected with anti-skid sleeves (11), the upper end of the driving box (1) is fixedly connected with a base pad (12), the inner upper part of the base pad (12) is fixedly connected with an elastic pad (13), the lower end of the elastic pad (13) is fixedly connected with a backing plate (14), and springs (15) are uniformly distributed at the lower end of the backing plate (14).

2. A parallel bar facilitating height adjustment according to claim 1, wherein: the left end of the bidirectional threaded rod (3) is rotatably connected to the middle of the front end and the rear end of the inner left side of the driving box (1) through bearings (5).

3. A parallel bar facilitating height adjustment according to claim 1, wherein: the lower ends of the thread sleeves (4) are connected with the inner lower wall of the driving box (1) in a sliding mode.

4. A parallel bar facilitating height adjustment according to claim 1, wherein: the periphery of the lower end of the sliding cylinder (6) is connected in the front end and the rear end of the base pad (12) in a sliding mode.

5. A parallel bar facilitating height adjustment according to claim 1, wherein: and limiting holes (9) are uniformly distributed in the middle of the sliding rod (8).

6. A parallel bar facilitating height adjustment according to claim 1, wherein: the lower ends of the sliding rods (8) are connected in the opening at the upper end of the sliding barrel (6) in a sliding mode.

7. A parallel bar facilitating height adjustment according to claim 1, wherein: the outer periphery of the backing plate (14) is slidably connected to the inner periphery of the base pad (12).

8. A parallel bar facilitating height adjustment according to claim 1, wherein: the lower ends of the springs (15) are fixedly connected to the inner lower wall of the base pad (12).