CN115040823A

CN115040823A - Parallel bars device of sports teaching usefulness

Info

Publication number: CN115040823A
Application number: CN202210752572.XA
Authority: CN
Inventors: 王东彪
Original assignee: Jiujiang University
Current assignee: Jiujiang University
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-09-13
Anticipated expiration: 2042-06-28
Also published as: CN115040823B

Abstract

The invention discloses a parallel bar device for physical education teaching, which comprises a base and a pair of training rods arranged on the base, wherein each training rod comprises a cross bar and a pair of supporting frames arranged at the two ends of the cross bar and used for supporting the cross bar, each supporting frame comprises a first supporting rod and a second supporting rod, and a first connecting block and a second connecting block, which can make the device deform into a low parallel bar by folding the first supporting rod and the second supporting rod, thereby being convenient for teaching a user, wherein, the first connecting block and the second connecting block are respectively connected with the first supporting rod and the second supporting rod in a rotating way, when the state is a high parallel bar, the hinged parts of the pair of supporting frames are rotated to the opposite directions, can keep the state of high parallel bars, rotate during the deformation first connecting block and second connect make articulated department syntropy can, easy operation is convenient, is convenient for carry out different forms fast according to the demand and switches.

Description

Parallel bars device of sports teaching usefulness

Technical Field

The invention relates to the technical field of sports equipment, in particular to a parallel bar device for physical education teaching.

Background

The parallel bars are one of the gymnastic items of the apparatus, and can do various swinging, bending, stretching, arc-shaped, turning, looping, rolling, overturning and various static postures and forceful actions through various supports, hanging arms and suspension in the forward direction and the lateral direction of one bar or two bars. The lever has rich action contents, comprehensive types, simplicity, complexity and easiness, is difficult to realize, can change various actions in the middle of a lever, at the end of the lever, on the lever and under the lever, and mainly comprises static action and dynamic action. Has important functions of exercising the body and developing the strength and quality.

The parallel bar exercise is mainly a typical action exercise for students to develop support and support swing under the condition of bearing the weight of the students. Has important function for compensating the imbalance of the strength development of the upper limbs and the trunk. Through parallel bar teaching, the strength of upper limbs, shoulder straps and trunk muscles of students can be effectively developed, the development of deltoid muscles, pectoralis major muscles, abdominal muscles and dorsal muscles is particularly remarkable, and the flexibility of elbows, shoulders, waist joints and ligaments are enhanced.

In the parallel bars teaching, the beginner need use low parallel bars, under the supplementary lift of coach, the action of the distinctive training when keeping the user training, the explanation of imparting knowledge to students, strengthen the memory to the action with the user, then train once more through the high parallel bars, current parallel bars altitude mixture control is limited, can't satisfy user training demand, and at the teaching in-process, coach explains on the one hand, on the other hand needs to lift the user and keep the action, it is time and energy consuming, influence teaching efficiency, so the parallel bars device that a sports teaching was used is urgently needed to solve above-mentioned problem.

Disclosure of Invention

The invention provides a parallel bar device for physical education, which can be flexibly deformed, meet different training requirements of users and improve the teaching efficiency, and solves the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a parallel bar device for physical education comprises a base and a pair of training rods arranged on the base, wherein each training rod comprises a transverse bar and a pair of supporting frames arranged at the two ends of the transverse bar and used for supporting the transverse bar, each supporting frame comprises a first supporting rod, a second supporting rod, a first connecting block and a second connecting block, one end of the first supporting rod is connected with the base, the other end of the first supporting rod is rotatably connected with the end part of the first connecting block along the horizontal direction, one side edge of the other end of the first connecting block is hinged with one side edge of the end part of the second connecting block, the other end of the second connecting block is rotatably connected with one end part of the second supporting rod along the horizontal direction, the transverse bar is connected with the other end of the second supporting rod, wherein, the hinged edges of the two first connecting blocks and the second connecting block in the pair of supporting frames are in the same direction, and the rotating direction of the hinged part is vertical to the transverse bar, the two first connecting blocks rotate around the hinged position to adjust the height of the cross rod.

Preferably, first connecting block and second connecting block and first bracing piece and second bracing piece rotate the junction and all install first retaining member, first retaining member is used for locking the restriction to the rotation junction first connecting block and second connecting block revolute the rotation junction with first bracing piece and second bracing piece and rotate, or the unblock.

Preferably, a first rotating shaft is installed on the first connecting block, a first bearing hole is formed in the end portion of the first supporting rod, one end of the first rotating shaft is inserted into the first bearing hole, the first connecting block moves along the axial direction of the first rotating shaft to control the end surface of the first connecting block to be in contact with or separated from the end surface of the first supporting rod, the first locking piece comprises a first slot formed in the end surface of the first supporting rod and a first locking and inserting block installed on the corresponding surface of the first connecting block, and the first locking and inserting block is inserted into the first slot along with the contact between the end surface of the first connecting block and the end surface of the first supporting rod to limit the first connecting block to rotate relative to the first supporting rod;

install the second pivot on the second connecting block, second bracing piece tip is equipped with the second and accepts the hole, and two ends of second pivot are inserted in the second is accepted downthehole, the second bracing piece removes along second pivot axis direction, control second bracing piece terminal surface with second connecting block end face contact or separation, wherein, first locking piece is still including establishing the second locking inserted block of second bracing piece terminal surface to and establish the second slot that corresponds the face at the second connecting block, along with second connecting block terminal surface with second bracing piece end face contact, second locking inserted block inserts in the second slot, the restriction the second connecting block rotates for the second bracing piece.

Preferably, the base is located each first bracing piece one side and all installs the bolster, follows first connecting block rotates 180 around articulated department, to the second bracing piece with first bracing piece laminating, the bolster with the contact of second bracing piece tip is right the second bracing piece supports, wherein, second bracing piece tip is equipped with the locating pin, and the bolster corresponds the department and is equipped with the position sleeve, and the locating pin inserts in the position sleeve, it is fixed second bracing piece and first bracing piece laminating state.

Preferably, the first support rod and the carrying rod are both telescopic rods, the first support rod is used for adjusting the height of the cross rod in two states, and the carrying rod is synchronously adjusted along with the height change of the first support rod.

Preferably, every install a check lock on the training pole at least, check lock one side is equipped with a plurality of branches, wherein first bracing piece and second bracing piece to and first connecting block and second connecting block all are equipped with the jack with the two sides of horizontal pole axis vertical direction, when first bracing piece and second bracing piece are coaxial, each branch inserts in each jack that a support frame corresponds, fixes first bracing piece and second bracing piece state.

Preferably, install in the base and assist the bracket, assist the bracket and include head rod and second connecting rod to and the layer board, the head rod both ends all with the base rotates to be connected, and the layer board is installed second connecting rod one end, the second connecting rod other end with the head rod middle part is connected perpendicularly, rotates along with the head rod, adjusts the contained angle of second connecting rod and ground.

Preferably, the head rod rotates the junction with the base and installs the second retaining member, the second retaining member is including establishing a plurality of locking holes that lay on the base and along the rotation direction to and install on the head rod, and can follow the locking inserted bar that head rod axis direction removed, follow the locking inserted bar removes and inserts arbitrary one locking hole, fixes the state of second connecting rod this moment, wherein, install the spring between locking inserted bar and the head rod, the spring drives the locking inserted bar tends to court locking hole direction removes.

Preferably, the second connecting rod is provided with a trigger block, the trigger block is connected with the locking inserted bar through a pull rope and slides along with the trigger block, and the trigger block is used for pulling the locking inserted bar to compress the spring and separate from the locking hole.

Preferably, one side of the supporting plate, which is far away from the second connecting rod, is provided with a plurality of independent elastic lugs, and each elastic lug is sunken towards the stress direction when stressed.

Compared with the prior art, the invention has the beneficial effects that: each support frame comprises a first support rod and a second support rod, the first support rod is of a telescopic rod structure, and under the action of a first connecting block and a second connecting block, the device can be adjusted in a certain height through telescopic operation, so that a user can train conveniently, and can be folded by rotating around a hinge joint, so that the device is deformed into a low parallel bar, so that the user can teach conveniently;

according to the invention, the auxiliary bracket is arranged in the base, so that when the low parallel bar state is trained, a user can be supported by changing the angle and the height of the supporting plate, the training action is assisted to be completed and kept, the teaching is carried out without manual lifting assistance, time and labor are saved, and the teaching efficiency is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

In the drawings:

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

FIG. 2 is a schematic view of the folded configuration of the parallel bar arrangement of the present invention;

FIG. 3 is a plan view of a parallel bar arrangement of the present invention;

FIG. 4 is a schematic view of the structure of a horizontal bar of the present invention;

FIG. 5 is a schematic view of a detail of the base of the parallel bar apparatus of the present invention;

reference numbers in the figures: 1. a base; 2. a cross bar; 3. a support frame; 31. a first support bar; 32. a second support bar; 33. a first connection block; 34. a second connecting block; 4. a first locking member; 41. a first slot; 42. a first locking insert; 43. a second locking insert; 44. a second slot; 5. a first rotating shaft; 6. a first receiving hole; 7. a second rotating shaft; 8. a second receiving hole; 9. a bearing rod; 10. positioning pins; 11. a positioning sleeve; 12. a locking lever; 13. a strut; 14. a jack; 15. a first connecting rod; 16. a second connecting rod; 17. a support plate; 18. a second locking member; 181. a locking hole; 182. locking the inserted rod; 183. a spring; 19. a trigger block; 20. pulling a rope; 21. an elastic bump.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-5, a parallel bar device for physical education comprises a base 1 and a pair of training bars installed on the base 1, each training bar comprises a cross bar 2 and a pair of supporting frames 3 installed at both ends of the cross bar 2 for supporting the cross bar 2, each supporting frame 3 comprises a first supporting bar 31 and a second supporting bar 32, and a first connecting block 33 and a second connecting block 34, one end of the first supporting bar 31 is connected with the base 1, the other end is rotatably connected with the end of the first connecting block 33 along the horizontal direction, one side of the other end of the first connecting block 33 is hinged with one side of the end of the second connecting block 34, the other end of the second connecting block 34 is rotatably connected with one end of the second supporting bar 32 along the horizontal direction, the cross bar 2 is connected with the other end of the second supporting bar 32, wherein the hinged sides of the two first connecting blocks 33 and the second connecting block 34 in the pair of supporting frames 3 are in the same direction, and when the direction of rotation of the hinged part is perpendicular to the cross bar 2, the two first connecting blocks 33 rotate around the hinged part to adjust the height of the cross bar 2.

First locking pieces 4 are installed at the rotating connection positions of the first connecting block 33 and the second connecting block 34 and the first supporting rod 31 and the second supporting rod 32, and the first locking pieces 4 are used for locking the rotating connection positions to limit the rotation or unlocking of the first connecting block 33 and the second connecting block 34 and the first supporting rod 31 and the second supporting rod 32 around the rotating connection positions.

Referring to fig. 3, a first rotating shaft 5 is mounted on a first connecting block 33, a first receiving hole 6 is formed at an end of a first supporting rod 31, one end of the first rotating shaft 5 is inserted into the first receiving hole 6, and the first connecting block 33 moves along an axial direction of the first rotating shaft 5 to control an end surface of the first connecting block 33 to contact with or separate from an end surface of the first supporting rod 31, wherein a first locking member 4 includes a first slot 41 formed in the end surface of the first supporting rod 31 and a first locking insertion block 42 mounted on a corresponding surface of the first connecting block 33, and the first locking insertion block 42 is inserted into the first slot 41 to limit the first connecting block 33 from rotating relative to the first supporting rod 31 when the end surface of the first connecting block 33 contacts with the end surface of the first supporting rod 31;

second pivot 7 is installed on second connecting block 34, second bracing piece 32 tip is equipped with the second and accepts the hole 8, second pivot 7 two ends insert in the second accepts the hole 8, second bracing piece 32 moves along second pivot 7 axis direction, control second bracing piece 32 terminal surface and second connecting block 34 end face contact or separation, wherein, first locking piece 4 is still including establishing the second locking inserted block 43 at second bracing piece 32 terminal surface, and establish the second slot 44 at the second connecting block 34 corresponding face, along with second connecting block 34 terminal surface and second bracing piece 32 end face contact, second locking inserted block 43 inserts in second slot 44, restriction second connecting block 34 rotates for second bracing piece 32.

When the folding device is used, the first connecting block 33 and the second connecting block 34 can be inserted into the first slot 41 and the second slot 44 respectively by moving the first connecting block 33 and the second supporting rod 32 upwards to separate the first locking inserting block 42 and the second locking inserting block from the first slot 41 and the second slot 44 respectively, and at the moment, the first connecting block 33 and the second connecting block 34 can be rotated around the first rotating shaft 5 and the second rotating shaft 7 to change the direction of the hinged position of the first connecting block 33 and the second connecting block 34 and perform folding operation in the same direction or in different directions, and then the second supporting rod 32 and the first connecting block 33 are pressed downwards, so that the first locking inserting block 42 and the second locking inserting block can be inserted into the first slot 41 and the second slot 44 respectively to fix the states of the first connecting block 33 and the second connecting block 34.

Referring to fig. 4, the bearing rods 9 are mounted on the base 1 at one side of each first supporting rod 31, and rotate 180 ° around the hinge joint with the first connecting block 33 until the second supporting rod 32 is attached to the first supporting rod 31, and the bearing rods 9 contact with the end of the second supporting rod 32 to support the second supporting rod 32, wherein the end of the second supporting rod 32 is provided with a positioning pin 10, a positioning sleeve 11 is disposed at a position corresponding to the bearing rod 9, and the positioning pin 10 is inserted into the positioning sleeve 11 to fix the attachment state of the second supporting rod 32 to the first supporting rod 31.

The first supporting rod 31 and the carrying rod 9 are both telescopic rods, the first supporting rod 31 is used for adjusting the height of the cross rod 2 in two states, and the carrying rod 9 is synchronously adjusted along with the height change of the first supporting rod 31, so that the height of the cross rod 2 can be adjusted within a certain range again according to requirements, and the requirements of different users can be met.

In order to further improve the safety of the device in use, at least one locking rod 12 is installed on each training rod, a plurality of supporting rods 13 are arranged on one side of each locking rod 12, wherein the first supporting rod 31, the second supporting rod 32, the first connecting block 33, the second connecting block 34 and two sides of the cross rod 2 in the direction perpendicular to the axis are respectively provided with an inserting hole 14, when the first supporting rod 31 and the second supporting rod 32 are coaxial, each supporting rod 13 is inserted into each inserting hole 14 corresponding to one supporting frame 3, and the state of the first supporting rod 31 and the state of the second supporting rod 32 are fixed.

Referring to fig. 3 and 5, an auxiliary bracket is installed in the base 1, the auxiliary bracket includes a first connecting rod 15, a second connecting rod 16 and a supporting plate 17, both ends of the first connecting rod 15 are rotatably connected to the base 1, the supporting plate 17 is installed at one end of the second connecting rod 16, the other end of the second connecting rod 16 is vertically connected to the middle of the first connecting rod 15, and the second connecting rod 16 rotates along with the first connecting rod 15 to adjust an included angle between the second connecting rod 16 and the ground.

Wherein, the second retaining member 18 is installed with base 1 rotation junction to head rod 15, the second retaining member 18 is including establishing a plurality of locking holes 181 that just lay along the rotation direction on base 1, and install on head rod 15, and can follow the locking inserted bar 182 that head rod 15 axis direction removed, along with locking inserted bar 182 removes and inserts arbitrary one locking hole 181, the state of second connecting rod 16 this moment is fixed, wherein, install spring 183 between locking inserted bar 182 and the head rod 15, spring 183 drives locking inserted bar 182 and tends to move towards locking hole 181 direction.

Referring to fig. 3, a trigger block 19 is slidably mounted on the second connecting rod 16, and the trigger block 19 is connected to the locking plunger 182 by a pull cord 20, slides with the trigger block 19, and pulls the locking plunger 182 to compress the spring 183 and disengage from the locking hole 181.

During the use, slip trigger block 19, pull locking inserted bar 182 compression spring 183 and break away from locking hole 181 through stay cord 20, rotate first connecting rod 15, adjust the angle of second connecting rod 16 to the assigned position, trigger block 19 resets, under the spring action of spring 183, promote locking inserted bar 182 and insert in the locking hole 181 that corresponds, make the state of second connecting rod 16 lock fixedly, it accomplishes and keeps the training action to assist it, need not artifical lift assistance and imparts knowledge to students, time saving and labor saving, improve teaching efficiency, wherein, keep away from second connecting rod 16 one side at layer board 17 and be equipped with a plurality of independent elastic projection 21, all sunken towards the atress direction when every elastic projection 21 atress, with agreeing with user's contact site, avoid taking place the slippage, use safe and comfortable more.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. 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. The utility model provides a parallel bar device that sports teaching was used, includes the base and installs a pair of training pole on the base, every the training pole all includes the horizontal pole and installs a pair of support frame that is used for supporting the horizontal pole at horizontal pole both ends, its characterized in that: every the support frame all includes first bracing piece and second bracing piece to and first connecting block and second connecting block, first bracing piece one end with the base links to each other, the other end with first connecting block tip rotates along the horizontal direction to be connected, first connecting block other end side with second connecting block tip side is articulated, the second connecting block other end with a second bracing piece tip rotates along the horizontal direction to be connected, the horizontal pole with the second bracing piece other end links to each other, and wherein, two first connecting blocks in a pair of support frame and the articulated limit syntropy of second connecting block, and when articulated department rotates the direction perpendicular with the horizontal pole, two first connecting blocks rotate around articulated department, adjust the height of horizontal pole.

2. A parallel bar apparatus for physical education as claimed in claim 1, wherein: first connecting block and second connecting block and first bracing piece and second bracing piece rotate the junction and all install first retaining member, first retaining member is used for locking the restriction to the swivelling joint first connecting block and second connecting block revolute the swivelling joint with first bracing piece and second bracing piece and rotate, or the unblock.

3. A parallel bar apparatus for physical education as claimed in claim 2, wherein: the first connecting block is provided with a first rotating shaft, the end part of the first supporting rod is provided with a first bearing hole, one end of the first rotating shaft is inserted into the first bearing hole, the first connecting block moves along the axial direction of the first rotating shaft to control the end surface of the first connecting block to be in contact with or separated from the end surface of the first supporting rod, the first locking piece comprises a first slot arranged on the end surface of the first supporting rod and a first locking and inserting piece arranged on the corresponding surface of the first connecting block, and the first locking and inserting piece is inserted into the first slot along with the contact between the end surface of the first connecting block and the end surface of the first supporting rod to limit the first connecting block to rotate relative to the first supporting rod;

4. A parallel bar apparatus for physical education as claimed in claim 1, wherein: the base is located all to install the adapting rod on one side of each first bracing piece, follows first connecting block rotates 180 around articulated department, to the second bracing piece with the laminating of first bracing piece, the adapting rod with the contact of second bracing piece tip is right the second bracing piece supports, wherein, second bracing piece tip is equipped with the locating pin, and the adapting rod corresponds the department and is equipped with the position sleeve, and the locating pin inserts in the position sleeve, it is fixed second bracing piece and first bracing piece laminating state.

5. The parallel bar apparatus for physical education as claimed in claim 4, wherein: the first supporting rod and the carrying rod are telescopic rods, the first supporting rod is used for adjusting the height of the cross rod in two states, and the carrying rod is synchronously adjusted along with the height change of the first supporting rod.

6. A parallel bar apparatus for physical education as claimed in claim 1, wherein: every install a check lock on the training pole at least, check lock one side is equipped with a plurality of branches, wherein first bracing piece and second bracing piece to and first connecting block and second connecting block all are equipped with the jack with the two sides of horizontal pole axis vertical direction, when first bracing piece and second bracing piece are coaxial, each branch inserts in each jack that a support frame corresponds, fixes first bracing piece and second bracing piece state.

7. A parallel bar apparatus for physical education as claimed in claim 1, wherein: install in the base and assist the bracket, assist the bracket and include head rod and second connecting rod to and the layer board, the head rod both ends all with the base rotates to be connected, and the layer board is installed second connecting rod one end, the second connecting rod other end with the head rod middle part is connected perpendicularly, rotates along with the head rod, adjusts the contained angle of second connecting rod and ground.

8. A parallel bar apparatus for physical education as claimed in claim 7, wherein: the utility model discloses a locking device of locking hole, including the base, the first connecting rod is connected with the base, the first connecting rod rotates the junction with the base and installs the second retaining member, the second retaining member is including establishing a plurality of locking holes that lay on the base and along rotating direction to and install on the first connecting rod, and can follow the locking inserted bar that first connecting rod axis direction removed, follow the locking inserted bar removes and inserts arbitrary one locking hole, fixes the state of second connecting rod this moment, wherein, install the spring between locking inserted bar and the first connecting rod, the spring drives the locking inserted bar tends to court locking hole direction removes.

9. A parallel bar apparatus for physical education as claimed in claim 8, wherein: the second connecting rod is provided with a trigger block in a sliding mode, the trigger block is connected with the locking inserted bar through a pull rope and slides along with the trigger block, and the trigger block is used for drawing the locking inserted bar to compress the spring and separate from the locking hole.

10. A parallel bar apparatus for physical education as claimed in claim 8, wherein: and one surface of the supporting plate, which is far away from the second connecting rod, is provided with a plurality of independent elastic lugs, and each elastic lug is sunken towards the stress direction when stressed.