CN213049144U

CN213049144U - Stretcher for body building in sports classroom

Info

Publication number: CN213049144U
Application number: CN202022324271.6U
Authority: CN
Inventors: 熊东进
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-04-27
Anticipated expiration: 2030-10-19

Abstract

The utility model relates to the technical field of sports fitness equipment. The stretcher for the body building in the sports classroom comprises a support column, a stretcher and a base, wherein an upper cylinder and a lower cylinder are arranged in the stretcher, a stroke block and a first connecting rod are arranged at the lower cylinder, the stroke block is fixedly connected to the top of the first connecting rod, a spring is sleeved on the first connecting rod, and a handle is fixedly connected to the bottom of the first connecting rod; a second connecting rod and a buffer device are arranged at the upper barrel, the buffer device is fixedly mounted at the top of the second connecting rod, the bottom of the second connecting rod is fixedly connected with the stroke block, a gear is hinged on the buffer device, a damper is arranged at the hinged position of the gear and the buffer device, a rack is arranged in the inner cavity of the upper barrel, and the rack is meshed with the gear; the bottom of the supporting column is fixedly connected with a base. The utility model provides a stretcher for sports classroom body-building excellent in use effect is worth popularizing and applying.

Description

Stretcher for body building in sports classroom

Technical Field

The utility model relates to a sports fitness equipment technical field more specifically relates to a stretcher is used in sports classroom body-building.

Background

The development of human body is the state of normal survival and good running of the individual based on following the life law, and the physical fitness exercise plays an important role in promoting the growth and development of each organ system of the human body, developing the physical exercise capacity, improving the adaptability of the human body, developing the intelligence, improving the spirit and the social life quality of the human body and the like.

When carrying out the arm strength training in sports classroom, need use the stretcher device to take exercise the arm, present sports classroom for body-building stretcher occupy the place great, and can not supply with many people simultaneously and use, need queue up when many people need carry out the arm strength training, cause the less problem of classroom efficiency, current stretcher does not possess buffer in addition, if improper operation, the stretcher resets and can strain user's arm very fast.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a stretcher for sports classroom body-building aims at solving one of the technical problem that exists among the prior art at least.

In order to achieve the above object, an aspect of the present invention provides a stretcher for body building in sports classroom, including: the stretching device comprises a support column, a stretcher and a base, wherein a hinge seat is fixedly installed on the support column, a hinge part is fixedly installed at the top of the stretcher, a hinge cross rod is arranged at the hinge part, and the hinge cross rod is hinged with the hinge seat;

an upper barrel and a lower barrel are arranged in the stretcher, a limiting block is arranged at the boundary of the upper barrel and the lower barrel and fixedly connected with the stretcher, a stroke block and a first connecting rod are arranged at the lower barrel and fixedly connected with the top of the first connecting rod, a spring is sleeved on the first connecting rod, the upper end and the lower end of the spring are respectively abutted against the stroke block and the stretcher, and a handle is fixedly connected with the bottom of the first connecting rod;

a second connecting rod and a buffer device are arranged at the upper barrel, the buffer device is fixedly mounted at the top of the second connecting rod, the bottom of the second connecting rod is fixedly connected with the stroke block, a gear is hinged on the buffer device, a damper is arranged at the hinged position of the gear and the buffer device, a rack is arranged in the inner cavity of the upper barrel, and the rack is meshed with the gear;

the number of the stretchers and the hinging seats is 4, and the stretchers and the hinging seats are uniformly distributed on the front, the back, the left side and the right side of the supporting column;

the bottom of the supporting column is fixedly connected with a base.

The utility model provides an above-mentioned technical scheme is stretcher for body-building in sports classroom evenly arranges 4 elongators through preceding, back, left and right position on a support column, has reduced the area of device, makes the elongator can supply with 4 classmates simultaneously and use moreover, promotes classroom efficiency, and buffer's setting in the elongator through having damped wheel and rack cooperation, makes the elongator can slow release when reseing, avoids pulling the appearance of user's arm problem.

Additionally, the utility model discloses the stretcher for sports classroom body-building that above-mentioned technical scheme provided still has following technical characteristic:

further optimize this technical scheme, fixed mounting has stretcher branch on the support column, stretcher branch with the stretcher cooperation, stretcher branch with stretcher contact site is equipped with the rubber pad.

Further optimize this technical scheme, be equipped with the rubber layer on the handle, be equipped with the antiskid line on the rubber layer.

Further optimize this technical scheme, stroke piece top is equipped with first blotter.

Further optimize this technical scheme, the buffer top is equipped with the second blotter, the buffer bottom is equipped with the third blotter.

Further optimize this technical scheme, be equipped with the countersunk screw on the base, the quantity of countersunk screw is 4, and evenly distributed is in the front, back, left and right side of base.

Further optimize this technical scheme, support column top fixed mounting has the umbrella top.

Compared with the prior art, the beneficial effects of the utility model reside in that:

according to the device of this application, through preceding, back, left and right position on a support column evenly arrange 4 elongators, reduced the area of device, make the elongator can supply with 4 classmates simultaneously and use moreover, effectively promote classroom efficiency, buffer's setting in the elongator, through having damped wheel and rack cooperation, make the elongator can slow release when reseing, avoid the appearance of pulling injury user's arm problem.

The rubber layer is arranged on the handle, so that the device is more comfortable to use, and the anti-skid lines on the rubber layer ensure that the handle is not easy to release; the arrangement of the umbrella top enables the device to have a sun-proof effect, and the use comfort of the device is improved.

Drawings

Fig. 1 is a schematic view of an overall structure of a stretching device for body-building in a sports classroom according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a stretcher for body building in a sports classroom according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

fig. 4 is a schematic top view of a base of a stretching apparatus for body-building in a sports classroom according to an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 4 is:

the umbrella comprises a support column 1, a stretcher 2, a hinge part 3, a hinge cross rod 301, a first connecting rod 4, a handle 5, a rubber layer 501, a lower barrel 6, a limiting block 7, an upper barrel 8, a spring 9, a stroke block 10, a first cushion 1001, a second connecting rod 11, a buffer device 12, a gear 1201, a second cushion 1202, a third cushion 1203, a rack 13, a hinge seat 14, a stretcher strut 15, a base 16, a countersunk head screw hole 1601 and an umbrella top 17.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

A stretcher for physical training in a classroom according to some embodiments of the present invention will be described with reference to fig. 1 to 4.

Referring to fig. 1 and 2, a stretcher for body building in a sports classroom according to some embodiments of the present invention includes a support column 1, stretcher 2 and base 16, fixed mounting has articulated seat 14 on support column 1, 2 top fixed mounting of stretcher has articulated portion 3, articulated portion 3 department is equipped with articulated horizontal pole 301, articulated horizontal pole 301 is articulated with articulated

seat

14, 2 inside upper barrel 8 and the lower barrel 6 of being equipped with of stretcher, upper barrel 8 and the lower barrel 6 border department are provided with stopper 7,

stopper

7 and 2 fixed connection of stretcher, lower barrel 6 department is equipped with stroke piece 10 and first connecting rod 4, stroke piece 10 fixed connection is at first connecting rod 4 top, the cover has spring 9 on first connecting rod 4, both ends support respectively on stroke piece 10 and stretcher 2 about spring 9, first connecting rod 4 bottom fixed connection has handle 5, be equipped with rubber layer 501 on the handle 5, be equipped with anti-skidding line on the rubber layer 501.

The number of the stretchers 2 and the hinge seats 14 is 4, the stretchers 2 and the hinge seats are uniformly distributed on the front side, the rear side, the left side and the right side of the support column 1, the stretcher supporting rod 15 is fixedly installed on the support column 1, the stretcher supporting rod 15 is matched with the stretcher 2, and a rubber pad is arranged at the contact part of the stretcher supporting rod 15 and the stretcher 2; the bottom of the support column 1 is fixedly connected with a base 16, and the top of the support column 1 is fixedly provided with an umbrella top 17.

Referring to fig. 3, a second connecting rod 11 and a buffer device 12 are arranged at the upper barrel 8, the buffer device 12 is fixedly installed at the top of the second connecting rod 11, the bottom of the second connecting rod 11 is fixedly connected with a stroke block 10, a gear 1201 is hinged on the buffer device 12, a damper is arranged at the hinged position of the gear 1201 and the buffer device 12, a rack 13 is arranged in the inner cavity of the upper barrel 8, and the rack 13 is meshed with the gear 1201; the top of stroke piece 10 is equipped with first blotter 1001, and first blotter 1001 plays the cushioning effect when stroke piece 10 contacts with stopper 7, and buffer 12 top is equipped with second blotter 1202, and second blotter 1202 plays the cushioning effect when buffer 12 contacts with last section of thick bamboo 8 top, and buffer 12 bottom is equipped with third blotter 1203, and third blotter 1203 plays the cushioning effect when buffer contacts with stopper 7.

Referring to fig. 4, the base 16 is provided with countersunk screw holes 1601, the number of countersunk screw holes 1601 is 4, evenly distributed is in the front, back, left and right sides of the base 16, countersunk screw holes 1601 supply the bolt to pass through, and the base 16 passes through bolt and ground fixed connection, further increases the stability of device.

The using method comprises the following steps: when the device is used, the handle 5 is held by a hand, the stretcher 2 is pulled outwards, in the pulling process, the handle 5 drives the first connecting rod 4, the stroke block 10, the second connecting rod 11 and the buffer device 12 to move, at the moment, the spring 4 is compressed, the gear 1201 is meshed with the rack 13 in the moving process of the buffer device 12, the gear 1201 rotates, and when the buffer device 12 is pulled to the third cushion pad 1203 to be contacted with the limiting block 7, the handle 5 is pulled to the limit position.

When the stretcher 2 is reset, a user releases force, in the process of releasing the force, the spring 9 rebounds, under the meshing action of the gear 1201 with damping and the rack 13, the buffer device 12 plays a buffer role, the spring 9 is slowly released until the spring 9 completely rebounds to an initial state, at the moment, the first buffer pad 1001 at the top of the stroke block 10 is in contact with the bottom of the limiting block 7, and the second buffer pad 1202 is in contact with the top of the upper barrel 8.

In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance: the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means 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. Throughout this specification, the schematic representations of the terms used above do not necessarily refer to the same implementation 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.

In the present invention, the terms "upper", "lower", "left", "right", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A stretcher for body building in a sports classroom, comprising:

the stretching device comprises a supporting column (1), a stretcher (2) and a base (16), wherein a hinge seat (14) is fixedly installed on the supporting column (1), a hinge part (3) is fixedly installed at the top of the stretcher (2), a hinge cross rod (301) is arranged at the hinge part (3), and the hinge cross rod (301) is hinged to the hinge seat (14);

an upper barrel (8) and a lower barrel (6) are arranged in the stretcher (2), a limiting block (7) is arranged at the boundary of the upper barrel (8) and the lower barrel (6), the limiting block (7) is fixedly connected with the stretcher (2), a stroke block (10) and a first connecting rod (4) are arranged at the lower barrel (6), the stroke block (10) is fixedly connected to the top of the first connecting rod (4), a spring (9) is sleeved on the first connecting rod (4), the upper end and the lower end of the spring (9) respectively abut against the stroke block (10) and the stretcher (2), and a handle (5) is fixedly connected to the bottom of the first connecting rod (4);

a second connecting rod (11) and a buffer device (12) are arranged at the upper barrel (8), the buffer device (12) is fixedly mounted at the top of the second connecting rod (11), the bottom of the second connecting rod (11) is fixedly connected with the stroke block (10), a gear (1201) is hinged to the buffer device (12), damping is arranged at the hinged position of the gear (1201) and the buffer device (12), a rack (13) is arranged in the inner cavity of the upper barrel (8), and the rack (13) is meshed with the gear (1201);

the number of the stretchers (2) and the hinging seats (14) is 4, and the stretchers and the hinging seats are uniformly distributed on the front, the rear, the left and the right sides of the supporting column (1);

the bottom of the supporting column (1) is fixedly connected with a base (16).

2. A stretching apparatus for body-building in a sports classroom according to claim 1, wherein: support column (1) is last fixed mounting has stretcher branch (15), stretcher branch (15) with stretcher (2) cooperation, stretcher branch (15) with stretcher (2) contact site is equipped with the rubber pad.

3. A stretching apparatus for body-building in a sports classroom according to claim 1, wherein: the handle (5) is provided with a rubber layer (501), and the rubber layer (501) is provided with anti-skid grains.

4. A stretching apparatus for body-building in a sports classroom according to claim 1, wherein: a first cushion pad (1001) is arranged at the top of the stroke block (10).

5. A stretching apparatus for body-building in a sports classroom according to claim 1, wherein: the top of the buffer device (12) is provided with a second cushion pad (1202), and the bottom of the buffer device (12) is provided with a third cushion pad (1203).

6. A stretching apparatus for body-building in a sports classroom according to claim 1, wherein: be equipped with countersunk screw hole (1601) on base (16), the quantity of countersunk screw hole (1601) is 4, and evenly distributed is in the front, back, left and right side of base (16).

7. A stretching apparatus for body-building in a sports classroom according to claim 1, wherein: the top of the supporting column (1) is fixedly provided with an umbrella top (17).