阅读说明：本技术 一种可调式教育教学辅助装置 (Education and teaching auxiliary device with adjustable ) 是由 谢静 孔芹 解慧 李春莹 赵亮 周嵘 崔琬茹 于 2020-07-30 设计创作，主要内容包括：本发明涉及教学设备技术领域,公开了一种可调式教育教学辅助装置,包括底板,底板的上表面后侧设有立柱,立柱的顶部固定连接固定杆,固定杆的右侧设有螺母,螺母的中部螺纹连接丝杆的中部,丝杆的上端转动连接升降台的下表面右侧,升降台的上表面中部设有支撑柱,支撑柱的上端设有转动座,转动座的上部转动连接放置台的下表面中部,所述放置台的下表面左侧设有第二支撑杆,第二支撑杆的下端转动连接转动接头的上部,转动接头的下部转动连接第一支撑杆的上端。本发明适用于一种可调式教育教学辅助装置,本装置还配备的保险绳,当出现危险时,只需要拉动保险绳,就可以让腿部与放置台快速的脱离,避免发生危险。(The invention relates to the technical field of teaching equipment and discloses an adjustable education and teaching auxiliary device which comprises a bottom plate, wherein a stand column is arranged on the rear side of the upper surface of the bottom plate, a fixing rod is fixedly connected to the top of the stand column, a nut is arranged on the right side of the fixing rod, the middle of the nut is in threaded connection with the middle of a screw rod, the upper end of the screw rod is rotatably connected with the right side of the lower surface of a lifting table, a support column is arranged in the middle of the upper surface of the lifting table, a rotating seat is arranged at the upper end of the support column, the upper portion of the rotating seat is rotatably connected with the middle of the lower surface of a placing table, a second support rod is arranged on the left side of the lower surface. The adjustable education and teaching auxiliary device is suitable for the adjustable education and teaching auxiliary device, and the safety rope is further equipped, so that when danger occurs, the leg can be quickly separated from the placing table only by pulling the safety rope, and the danger is avoided.)

1. An adjustable education and teaching auxiliary device comprises a bottom plate (1), wherein a stand column (2) is arranged on the rear side of the upper surface of the bottom plate (1), and a fixing rod (3) is fixedly connected to the top of the stand column (2), and is characterized in that a nut (25) is arranged on the right side of the fixing rod (3), the middle of the nut (25) is in threaded connection with the middle of a lead screw (22), the upper end of the lead screw (22) is rotatably connected to the right side of the lower surface of a lifting table (15), a supporting column (21) is arranged in the middle of the upper surface of the lifting table (15), a rotating seat (20) is arranged at the upper end of the supporting column (21), the upper portion of the rotating seat (20) is rotatably connected to the middle of the lower surface of a placing table (19), a second supporting rod (18) is arranged on the left side of the lower surface of the placing table (19), the lower end of the second supporting rod (18), the lower end of a first supporting rod (16) is rotatably connected with the left side of the upper surface of a lifting platform (15), the left side of a rotating joint (17) is connected with a safety rope (6), a fixing ring (7) is arranged at the free end of the safety rope (6), a first bearing seat (27) is arranged on the right side of the upper surface of a fixing rod (3), the upper portion of the first bearing seat (27) is rotatably connected with the middle portion of a first rotating shaft (26), a second bevel gear (24) is arranged at the left end of the first rotating shaft (26), the second bevel gear (24) is meshed with a first bevel gear (23), the first bevel gear (23) is fixedly connected with the upper portion of a nut (25), a fixing seat (12) is arranged at the right end of the fixing rod (3), the upper portion of the fixing seat (12) is rotatably connected with a rotating disc (35), a second bearing seat (30) is arranged on the upper surface of the rotating disc, the middle part of the second rotating shaft (31) is provided with a fourth bevel gear (29), one end of the second rotating shaft (31) close to the rotating disc (35) is provided with a limiting block (33), the right end of the first rotating shaft (26) is provided with a limiting groove (34) matched with the limiting block (33), and the right side of the first rotating shaft (26) is provided with a third bevel gear (28) meshed with the fourth bevel gear (29).

2. An adjustable educational teaching aid according to claim 1 wherein the second shaft (31) is provided with a turning wheel (32) at an end remote from the turning disc (35).

3. The adjustable education and teaching aid device according to claim 1, wherein the right side of the rotating base (20) is slidably connected with a limiting rod (36), and a tension spring (37) is arranged between the lower end of the limiting rod (36) and the rotating base (20).

4. The adjustable education and teaching aid according to claim 1, wherein the left side of the fixed rod (3) is slidably connected with the middle part of the guide rod (14), the lower end of the guide rod (14) is fixedly connected with the left side of the upper surface of the lifting plate (13), and the right side of the upper surface of the lifting plate (13) is rotatably connected with the lower end of the screw rod (22).

5. The adjustable education and teaching aid device as claimed in claim 1, wherein a rotating rod (4) is arranged on the left side of the upper surface of the fixing rod (3), the upper end of the rotating rod (4) is rotatably connected with a guide wheel (5), and a safety rope (6) is wound on the outer portion of the guide wheel (5).

6. An adjustable educational and educational aid according to claim 5, wherein the placement platform (19) is horizontal when the first support bar (16) is collinear with the second support bar (18).

7. The adjustable education and teaching aid according to claim 1, wherein the left end of the fixed rod (3) is rotatably connected with the rear end of the sliding sleeve (8), the front part of the sliding sleeve (8) is slidably connected with the sliding rod (9), and the front end of the sliding rod (9) is provided with the backup plate (10).

8. An adjustable educational and educational aid, according to claim 7, wherein the middle of the back plate (10) is provided with a resilient pad (11).

Technical Field

The invention relates to the technical field of teaching equipment, in particular to an adjustable education and teaching auxiliary device.

Background

The leg pressing is a warm-up lacing wire, a propeller for smooth movement and a protective cover for avoiding injury. Leg pressing is the basic work of martial arts. Leg pressing can protect the skeletal muscle and effectively prevent injuries and diseases. Every person must grasp the above principles and establish the most suitable routine steps for the person to become a habit. Good flexibility does not hinder growth and is beneficial to growth. Among the several methods of leg compression, leg positive compression is the foundation and also the way the exerciser feels the eating. The beginners often have the following problems: the head is lowered, the waist is bent, the head is urgently used for touching the feet, a large space is formed between the chest and the legs, the standing is unstable, the back falling is likely, and even the ligament injury of the legs is generated. In the process of motion teaching, stretching before the college moves is very important, and some motion injuries can be effectively avoided, wherein leg pressing is a common stretching mode.

Chinese patent (publication number: CN 211068934U) discloses a cheering exercise training auxiliary teaching device, which comprises a base, a support frame and a cross beam, wherein the cross beam is vertically communicated and is provided with a hollow inner cavity, a plurality of leg pressing components capable of being adjusted in the horizontal and vertical directions are sleeved in the cross beam, each leg pressing component comprises a sliding sleeve embedded in the hollow cavity of the cross beam in a sliding manner and an adjusting column vertically sleeved in a second through hole of the sliding sleeve, a connecting sleeve is fixedly arranged at the lower end part of the adjusting column, a leg pressing seat is arranged in the connecting sleeve, and an adjusting mechanism for adjusting the height of the leg pressing seat is arranged in the adjusting column. This supplementary teaching device of training of cheering exercises establishes a plurality of leg pressing subassembly through the cover on the crossbeam, can also carry out the regulation of height in adjustment horizontal position, can carry out corresponding adjustment according to the training personnel of different height sizes, it is nimble changeable, high convenience and fast, the adjustment range is wide, can carry out the increase and decrease of leg pressing subassembly according to the training number, practice thrift the equipment cost, but the device is at the leg pressing in-process, need arrange the shank in the device inside, when leading to when the institute health takes place the slope, can't be timely move the leg, take place the motion damage easily.

Disclosure of Invention

The invention provides an adjustable education and teaching auxiliary device, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

an adjustable education and teaching auxiliary device comprises a bottom plate, wherein a stand column is arranged on the rear side of the upper surface of the bottom plate, a fixed rod is fixedly connected to the top of the stand column, a nut is arranged on the right side of the fixed rod, the middle of the nut is in threaded connection with the middle of a lead screw, the upper end of the lead screw is rotatably connected with the right side of the lower surface of a lifting table, a support column is arranged in the middle of the upper surface of the lifting table, a rotating seat is arranged at the upper end of the support column, the upper portion of the rotating seat is rotatably connected with the middle of the lower surface of a placing table, a second support rod is arranged on the left side of the lower surface of the placing table, the lower end of the second support rod is rotatably connected with the upper portion of a rotating joint, the lower portion of the rotating joint is rotatably connected with the upper end of a first support rod, the, the upper portion of first bearing frame rotates the middle part of connecting first pivot, and the left end of first pivot is equipped with second bevel gear, and first bevel gear is connected in second bevel gear meshing, the upper portion of first bevel gear fixed connection nut, the right-hand member of dead lever is equipped with the fixing base, and the upper portion of fixing base rotates and connects the rolling disc, and the upper surface of rolling disc is equipped with second bearing frame, and the upper portion of second bearing frame rotates and connects the second pivot, and the middle part of second pivot is equipped with fourth bevel gear, and the one end that is close to the rolling disc of second pivot is equipped with the stopper, the right-hand member of first pivot be equipped with the spacing groove of stopper complex, the right side of first pivot is equipped with the third bevel gear who is.

As a preferable technical solution of the present invention, one end of the second rotating shaft, which is far away from the rotating disc, is provided with a rotating wheel.

As a preferred technical scheme of the invention, the right side of the rotating seat is slidably connected with a limiting rod, and a tension spring is arranged between the lower end of the limiting rod and the rotating seat.

As a preferable technical scheme of the invention, the left side of the fixed rod is slidably connected with the middle part of the guide rod, the lower end of the guide rod is fixedly connected with the left side of the upper surface of the lifting plate, and the right side of the upper surface of the lifting plate is rotatably connected with the lower end of the screw rod.

As a preferred technical scheme of the invention, a rotating rod is arranged on the left side of the upper surface of the fixing rod, the upper end of the rotating rod is rotatably connected with a guide wheel, and a safety rope is wound outside the guide wheel in a sleeved mode.

As a preferable aspect of the present invention, when the first support bar and the second support bar are collinear, the placing table is in a horizontal state.

As a preferred technical scheme of the invention, the left end of the fixed rod is rotatably connected with the rear end of the sliding sleeve, the front part of the sliding sleeve is slidably connected with the sliding rod, and the front end of the sliding rod is provided with the backup plate.

As a preferable technical scheme of the invention, the middle part of the backup plate is provided with an elastic cushion.

The invention has the following advantages:

the adjustable education and teaching auxiliary device is suitable for an adjustable education and teaching auxiliary device, the second rotating shaft is driven to rotate through the rotating disc, so that the device can be used independently or cooperatively by two persons, and meanwhile, the safety rope is further equipped, when danger occurs, the leg can be quickly separated from the placing table only by pulling the safety rope, and the danger is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an adjustable educational teaching aid.

Fig. 2 is a partially enlarged view of a part a in fig. 1 of an adjustable education teaching aid.

Fig. 3 is a front view of an adjustable educational teaching aid.

Fig. 4 is a schematic perspective view of the engagement of a third bevel gear and a fourth bevel gear in an adjustable educational and teaching aid.

Fig. 5 is a right side view of fig. 4.

In the figure: 1. a base plate; 2. a column; 3. fixing the rod; 4. rotating the rod; 5. a guide wheel; 6. a safety rope; 7. a fixing ring; 8. a sliding sleeve; 9. a slide bar; 10. a backup plate; 11. an elastic pad; 12. a fixed seat; 13. a lifting plate; 14. a guide bar; 15. a lifting platform; 16. a first support bar; 17. a rotating joint; 18. a second support bar; 19. a placing table; 20. a rotating seat; 21. a support pillar; 22. a screw rod; 23. a first bevel gear; 24. a second bevel gear; 25. a nut; 26. a first rotating shaft; 27. a first bearing housing; 28. a third bevel gear; 29. a fourth bevel gear; 30. a second bearing housing; 31. a second rotating shaft; 32. a rotating wheel; 33. a limiting block; 34. a limiting groove; 35. rotating the disc; 36. a limiting rod; 37. a tension 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.