CN108057209A - A kind of physical education stretching structure - Google Patents
A kind of physical education stretching structure Download PDFInfo
- Publication number
- CN108057209A CN108057209A CN201711462177.3A CN201711462177A CN108057209A CN 108057209 A CN108057209 A CN 108057209A CN 201711462177 A CN201711462177 A CN 201711462177A CN 108057209 A CN108057209 A CN 108057209A
- Authority
- CN
- China
- Prior art keywords
- groove
- sliding
- wall
- pull rod
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
- A63B21/055—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters extension element type
-
- 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
- A63B21/00058—Mechanical means for varying the resistance
- A63B21/00065—Mechanical means for varying the resistance by increasing or reducing the number of resistance units
-
- 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
- A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
- A63B21/05—Linearly-compressed elements
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Toys (AREA)
Abstract
The invention discloses a kind of physical education stretching structures, including housing, two grooves are arranged in the housing, and the opening direction of two grooves is set in opposite direction, pull rod is connected with by the first spring in the groove, and two pull rods extend to the outside setting of groove, two pull rods are hollow structure, and one end side wall of the pull rod away from the first spring is equipped with draw ring, the inner wall of the groove is arranged with two the first sliding grooves, and one side inner wall of the first sliding groove at slot opening is equipped with second spring, the first threaded rod is rotatably connected in the pull rod, and first threaded rod through pull rod side wall set, the opposite screw thread in direction there are two types of being set on first threaded rod, and first is arranged that there are two the first matched nuts on threaded rod, the side wall of first nut is equipped with slide bar.The configuration of the present invention is simple, stretching structure facilitate adjusting, and teacher is facilitated to complete physical culture and stretches teaching.
Description
Technical field
The present invention relates to physical education technical field more particularly to a kind of physical education stretching structures.
Background technology
Physical education is the purposeful and organized course of education carried out with curricular standard of working out a scheme by one.Physical education
It is participated in jointly by Faculty and Students, task is to teach sports knowledge, technology and technical ability to student, enhances its constitution, cultivates it
Morals, will, quality etc..It is the citation form that school physical education realizes, is one of practicable ways of sports purpose；It is taught in physical culture
It is frequently necessary to complete stretched operation in, and completing stretched operation needs auxiliary by stretching structure；Body of the prior art
Educating teaching stretching structure is inconvenient to adjust the dynamics stretched, therefore inconvenient teacher completes.
At present, the physical education stretching structure that a kind of stretching structure facilitates adjusting is lacked.
The content of the invention
Regarding the issue above, the present invention provides a kind of stretching structure facilitates the physical education of adjusting to be tied with stretching
Structure.
To achieve these goals, present invention employs following technical solutions：A kind of physical education of the present invention stretches
Structure including housing, is arranged with two grooves in the housing, and the opening direction of two grooves is set in opposite direction,
Pull rod is connected with by the first spring in the groove, and two pull rods extend to the outside setting of groove, two drawings
Bar is hollow structure, and one end side wall of the pull rod away from the first spring is equipped with draw ring, and the inner wall of the groove is arranged with two
A the first sliding groove, and one side inner wall of the first sliding groove at slot opening is equipped with second spring, is rotatablely connected in the pull rod
There is the first threaded rod, and the first threaded rod is set through the side wall of pull rod, set that there are two types of direction is opposite on first threaded rod
Screw thread, and be arranged on the first threaded rod there are two the first matched nut, the side wall of first nut is equipped with cunning
Bar, and the opposite one side side wall of two slide bars is respectively connected with and runs through with matched first sliding block of the first sliding groove, first sliding block
The side wall of pull rod is simultaneously extended in the first sliding groove, and the first sliding block is located at pull rod and is set close to one end of the first spring.
In above-mentioned physical education stretching structure, the inner wall of the groove is also arranged with the 3rd sliding slot, and the 3rd
One side inner wall of the sliding slot at slot opening is additionally provided with the 3rd spring, and the 3rd sliding slot is in the one side at slot opening
Wall is additionally provided with the 3rd spring, the side wall of the pull rod be equipped with matched second sliding block of the 3rd sliding slot, be additionally provided in the pull rod
Second threaded rod, and the second threaded rod is arranged in a mutually vertical manner with the first threaded rod, second threaded rod by drive mechanism with
Second sliding block connects.
In above-mentioned physical education stretching structure, the pull rod is equipped with second close to the one side inner wall of the first spring and slides
Slot, and one end side wall of the slide bar away from the first nut is equipped with and the matched pulley of the second sliding slot.
In above-mentioned physical education stretching structure, the inner wall of the draw ring is enclosed with rubber mount, and rubber mount
Surface be equipped with anti-skid chequer.
In above-mentioned physical education stretching structure, two first sliding blocks and two the second sliding blocks are away from pull rod
One side side wall is equipped with idler wheel, and the inner wall of the first sliding groove and the 3rd sliding slot is equipped with and the matched slot rolling of idler wheel.
Advantageous effect：The present invention is when the stretching strength to the stretching structure is adjusted, by controlling sliding block in pull rod
How much is the number skidded off, under the cooperation of multiple springs, not only pull rod was facilitated to slide in a groove, but also is conveniently carried out to stretching dynamics
It adjusts, teaching operation is completed so as to facilitate.
Description of the drawings
Fig. 1 is the positive structure schematic of the present invention；
Fig. 2 is the side structure schematic diagram of the present invention；
In figure：1 housing, 2 grooves, 3 first springs, 4 pull rods, 5 draw rings, 6 the first sliding grooves, 7 second springs, 8 first sliding blocks,
9 first threaded rods, 10 first nuts, 11 slide bars, 12 second sliding slots, 13 pulleys, 14 second threaded rods, 15 second sliding blocks, 16
Three sliding slots.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.
As depicted in figs. 1 and 2, a kind of physical education stretching structure of the invention, including housing 1, symmetrically sets in housing 1
There are two groove 2, and the opening direction of two grooves 2 is set in opposite direction, is connected in groove 2 by the first spring 3
Pull rod 4, and two pull rods 4 extend to the outside setting of groove 2, two pull rods 4 are hollow structure, and pull rod 4 is away from first
One end side wall of spring 3 is equipped with draw ring 5, and the inner wall of draw ring 5 is enclosed with rubber mount, and the surface of rubber mount is equipped with anti-skidding
Line facilitates and while pulling draw ring 5 draw ring 5 is avoided to damage operator, and the inner wall of groove 2 is arranged with two first cunnings
Slot 6, and the first sliding groove 6 is equipped with second spring 7 close to the one side inner wall of 2 opening of groove, and the first spiral shell is rotatably connected in pull rod 4
Rasp bar 9, and the first threaded rod 9 is set through the side wall of pull rod 4, is set on the first threaded rod 9 there are two types of the opposite screw thread in direction, and
It is arranged on first threaded rod 9 there are two the first matched nut 10, the side wall of the first nut 10 is equipped with slide bar 11, and two
The opposite one side side wall of a slide bar 11 be respectively connected with 6 matched first sliding block 8 of the first sliding groove, pull rod 4 is close to the first spring 3
One side inner wall is equipped with the second sliding slot 12, and one end side wall of the slide bar 11 away from the first nut 10 is equipped with matched with the second sliding slot 12
Pulley 13.
Facilitate the slip of slide bar 11 under the cooperation of 13 and second sliding slot 12 of pulley, two the first sliding blocks are driven so as to facilitate
8 movements, the first sliding block 8 through pull rod 4 side wall and extend in the first sliding groove 6, and the first sliding block 8 is located at pull rod 4 close to the
One end of one spring 3 is set, and the inner wall of groove 2 is also arranged with the 3rd sliding slot 16, and the 3rd sliding slot 16 is close to 2 opening of groove
One side inner wall be additionally provided with the 3rd spring, the 3rd sliding slot 16 is additionally provided with the 3rd spring close to the one side inner wall of 2 opening of groove, draw
The side wall of bar 4 be equipped with 16 matched second sliding block 15 of the 3rd sliding slot, be additionally provided with the second threaded rod 14, and the second spiral shell in pull rod 4
Rasp bar 14 is arranged in a mutually vertical manner with the first threaded rod 9, and the second threaded rod 14 is connected by drive mechanism with the second sliding block 15, can be with
By rotating the second threaded rod 14 and by drive mechanism two the second sliding blocks 15 being driven to slide into the 3rd sliding slot 16, second
It has increased the elastic force of the 3rd spring after under the cooperation of spring 7 newly, can further increase the dynamics of stretching, therefore stretching can be made
The adjusting of dynamics has selectivity, and two the first sliding blocks 8 and two one side side walls of second sliding block 15 away from pull rod 4 are equipped with rolling
Wheel, and the inner wall of 6 and the 3rd sliding slot 16 of the first sliding groove be equipped with the matched slot rolling of idler wheel, facilitate the first sliding block 8 and the second sliding block
15 slide in 6 and the 3rd sliding slot 16 of the first sliding groove, so as to facilitate the stretched operation for completing pull rod 4.
The present invention is connected with drawing in groove 2 by being symmetrical arranged two grooves 2 within the case 1 by the first spring 3
Bar 4, therefore can be by pulling draw ring 5 that pull rod 4 is driven to be moved in groove 2 and stretching the first spring 3, so as to complete to stretch behaviour
Make, when needing to adjust the strength stretched, rotate the first threaded rod 9, there are two types of direction phases due to being set on the first threaded rod 9
Anti- screw thread, and be arranged on the first threaded rod 9 there are two the first matched nut 10, therefore the first nut 10 can be passed through
With slide bar 11 two the first sliding blocks 8 is driven to move, when the first sliding block 8 is moved in two the first sliding grooves 6, pulling pull rod 4
When, the first sliding block 8 slides in the first sliding groove 6 and compresses second spring 7, therefore can by control the sliding block number that skids off come
Increase the number of forced spring, so as to facilitate the size for adjusting stretching dynamics.
Although 1 housing, 2 grooves, 3 first springs, 4 pull rods, 5 draw rings, 6 the first sliding grooves, 7 second are used more herein
Spring, 8 first sliding blocks, 9 first threaded rods, 10 first nuts, 11 slide bars, 12 second sliding slots, 13 pulleys, 14 second threaded rods,
The terms such as 15 second sliding blocks, 16 the 3rd sliding slots, but it does not preclude the possibility of using other terms.It is only using these terms
In order to more easily describe and explain the essence of the present invention；Being construed as any one of the additional limitations is all and the present invention
What spirit was disagreed.
Claims (6)
1. a kind of physical education stretching structure, including housing（1）, it is characterised in that：The housing（1）In be arranged with two
Groove（2）, and two grooves（2）Opening direction in opposite direction set, the groove（2）In pass through the first spring（3）
It is connected with pull rod（4）, and two pull rods（4）Extend to groove（2）Outside set, two pull rods（4）It is hollow knot
Structure, and pull rod（4）Away from the first spring（3）One end side wall be equipped with draw ring（5）, the groove（2）Inner wall be arranged with two
A the first sliding groove（6）, and the first sliding groove（6）Close to groove（2）The one side inner wall of opening is equipped with second spring（7）, the drawing
Bar（4）In be rotatably connected to the first threaded rod（9）, and the first threaded rod（9）Through pull rod（4）Side wall set, described first
Threaded rod（9）On set that there are two types of the opposite screw threads in direction, and the first threaded rod（9）On be arranged there are two the first matched spiral shell
It is female（10）, first nut（10）Side wall be equipped with slide bar（11）, and two slide bars（11）Opposite one side side wall connects
It is connected to and the first sliding groove（6）Matched first sliding block（8）, first sliding block（8）Through pull rod（4）Side wall and extend to
One sliding slot（6）In, and the first sliding block（8）Positioned at pull rod（4）Close to the first spring（3）One end set.
2. physical education stretching structure according to claim 1, it is characterised in that：The groove（2）Inner wall it is also right
Claim to be equipped with the 3rd sliding slot（16）, and the 3rd sliding slot（16）Close to groove（2）The one side inner wall of opening is additionally provided with the 3rd spring, institute
State the 3rd sliding slot（16）Close to groove（2）The one side inner wall of opening is additionally provided with the 3rd spring, the pull rod（4）Side wall be equipped with
With the 3rd sliding slot（16）Matched second sliding block（15）.
3. physical education stretching structure according to claim 1, it is characterised in that：The pull rod（4）In be additionally provided with
Two threaded rods（14）, and the second threaded rod（14）With the first threaded rod（9）It is arranged in a mutually vertical manner, second threaded rod（14）It is logical
Cross drive mechanism and the second sliding block（15）Connection.
4. physical education stretching structure according to claim 1, it is characterised in that：The pull rod（4）Close to the first bullet
Spring（3）One side inner wall be equipped with the second sliding slot（12）, and slide bar（11）Away from the first nut（10）One end side wall be equipped with and the
Two sliding slots（12）Matched pulley（13）.
5. physical education stretching structure according to claim 1, it is characterised in that：The draw ring（5）Inner wall package
There is rubber mount, and the surface of rubber mount is equipped with anti-skid chequer.
6. physical education stretching structure according to claim 2, it is characterised in that：Two first sliding blocks（8）With
Two the second sliding blocks（15）Away from pull rod（4）One side side wall be equipped with idler wheel, and the first sliding groove（6）With the 3rd sliding slot（16）It is interior
Wall is equipped with and the matched slot rolling of idler wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711462177.3A CN108057209A (en) | 2017-12-28 | 2017-12-28 | A kind of physical education stretching structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711462177.3A CN108057209A (en) | 2017-12-28 | 2017-12-28 | A kind of physical education stretching structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108057209A true CN108057209A (en) | 2018-05-22 |
Family
ID=62140657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711462177.3A Pending CN108057209A (en) | 2017-12-28 | 2017-12-28 | A kind of physical education stretching structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108057209A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4961573A (en) * | 1988-07-25 | 1990-10-09 | Wehrell Michael A | Boxing exercise harness |
| AU2007231773A1 (en) * | 2006-10-31 | 2008-05-15 | Pilates Vision Pty Ltd | Exercise apparatus and method |
| CN204182085U (en) * | 2014-11-14 | 2015-03-04 | 付淑华 | A kind of two-way arm strength load push-pull |
| CN204815509U (en) * | 2015-07-31 | 2015-12-02 | 新余学院 | Back of body formula arm strength elongator |
| CN206152160U (en) * | 2016-06-16 | 2017-05-10 | 许昌学院 | Body -building apparatus that safety ring protected |
| CN107471588A (en) * | 2017-10-12 | 2017-12-15 | 黄石市鼎晟模具有限公司 | A kind of plastic cement extrusion die Fast Installation structure |
| CN207928618U (en) * | 2017-12-28 | 2018-10-02 | 南京方易日辰电子科技有限公司 | A kind of physical education stretching structure |
-
2017
- 2017-12-28 CN CN201711462177.3A patent/CN108057209A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4961573A (en) * | 1988-07-25 | 1990-10-09 | Wehrell Michael A | Boxing exercise harness |
| AU2007231773A1 (en) * | 2006-10-31 | 2008-05-15 | Pilates Vision Pty Ltd | Exercise apparatus and method |
| CN204182085U (en) * | 2014-11-14 | 2015-03-04 | 付淑华 | A kind of two-way arm strength load push-pull |
| CN204815509U (en) * | 2015-07-31 | 2015-12-02 | 新余学院 | Back of body formula arm strength elongator |
| CN206152160U (en) * | 2016-06-16 | 2017-05-10 | 许昌学院 | Body -building apparatus that safety ring protected |
| CN107471588A (en) * | 2017-10-12 | 2017-12-15 | 黄石市鼎晟模具有限公司 | A kind of plastic cement extrusion die Fast Installation structure |
| CN207928618U (en) * | 2017-12-28 | 2018-10-02 | 南京方易日辰电子科技有限公司 | A kind of physical education stretching structure |
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