CN219105635U

CN219105635U - Demonstration board for medical teaching

Info

Publication number: CN219105635U
Application number: CN202223275773.XU
Authority: CN
Inventors: 李誉
Original assignee: Shunde Women's And Children's Hospital Of Guangdong Medical University
Current assignee: Shunde Women's And Children's Hospital Of Guangdong Medical University
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-05-30
Anticipated expiration: 2032-12-07

Abstract

The utility model belongs to the technical field of medical treatment, in particular to a demonstration board for medical teaching, which aims at the problems that the space cannot be expanded and the height cannot be adjusted in the prior art, and provides a scheme that the demonstration board comprises a medical teaching main board, wherein demonstration side boards are hinged to two sides of the medical teaching main board, a frame is bolted to the bottom of the medical teaching main board, a large helical gear is rotatably connected to the inside of the frame, a small rotating wheel is bolted to the surface of the large helical gear, small helical gears are meshed with teeth on the left side of the large helical gear, the demonstration side boards can be opened by rotation of the demonstration side boards, the demonstration side boards can be adhered or written with the content which is not displayed by the medical teaching main board, so that the demonstration space of the demonstration board is expanded, the device can be folded by rotation of the demonstration side boards, the movement and transportation of the demonstration board are facilitated, the medical teaching main board can be driven to move up and down by a threaded structure, and the height is convenient to adjust.

Description

Demonstration board for medical teaching

Technical Field

The utility model relates to the technical field of medical treatment, in particular to a demonstration board for medical teaching.

Background

In medical science teaching, need use a lot of equipment, the demonstration board is just one of them, mainly used paste or write demonstration picture and text data, make things convenient for medical student to watch and know, the demonstration board mainly comprises the support at mainboard bottom at top and mainboard bottom.

However, the main board used for displaying in the technical scheme is small in area, cannot be expanded, often only partial content can be displayed, and the other demonstration board needs to be transported to serve as an aid, so that the demonstration board is very inconvenient, the height of the demonstration board is fixed, and the height cannot be adjusted according to the needs of a user.

Disclosure of Invention

The utility model aims to solve the defects that the space cannot be expanded and the height cannot be adjusted in the prior art, and provides a demonstration board for medical teaching.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a demonstration board for medical science teaching, includes medical science teaching mainboard, the both sides of medical science teaching mainboard all articulate has the demonstration curb plate, the bottom bolt of medical science teaching mainboard has the frame, the inside rotation of frame is connected with big helical gear, big helical gear's surface bolt has the small wheel, big helical gear left tooth meshing has small helical gear, small helical gear's axle center department bolt has the splice bar, the top of splice bar meshing has the worm wheel, the axle center department bolt of worm wheel has the bull stick, the both ends of bull stick all bolt has the main cone gear, the tooth meshing of main cone gear has the auxiliary cone gear, auxiliary cone gear and demonstration curb plate bolt, the hole sliding connection of frame bottom has the base frame, splice bar and base frame threaded connection, the internal transmission of small wheel is connected with adjustment mechanism, and adjustment mechanism can drive big helical gear through the small helical gear and rotate, and big helical gear can drive the splice bar through the small helical gear and rotate, can drive the splice bar through the worm wheel and rotate, can drive the main cone gear through the rotation, can drive the demonstration cone gear and can drive the splice bar through the main cone gear and can expand the cone side plate, the demonstration curb plate rotates; the adjusting mechanism can drive the large helical gear to rotate through the small rotating wheel, the large helical gear can drive the splicing rod to rotate through the small helical gear, and the splicing rod can drive the base frame to move downwards, namely the medical teaching main board is driven to move upwards; utilize the rotation of demonstration curb plate can open the demonstration curb plate, let the demonstration curb plate paste or write the content that medical science teaching mainboard did not show to extended the demonstration space of demonstration board, and utilize the rotation of demonstration curb plate can also fold the device, make things convenient for the removal transportation of demonstration board, utilize the helicitic texture can drive medical science teaching mainboard reciprocates, convenient height-adjusting.

Preferably, the adjusting mechanism comprises a screw rod, a rack and a pinion, both ends of the screw rod are rotatably sleeved with the inside of the frame, the surface of the screw rod is in threaded connection with the inside of the rack, the bottom of the rack is in sliding connection with the bottom inside the frame, teeth at the top of the rack are meshed with teeth at the bottom of the pinion, and the adjusting mechanism further comprises a transmission assembly in bolting with the pinion.

Further, the right end of the screw rod extends to the right side of the frame and is bolted with a hand wheel, the screw rod can rotate through the hand wheel, the screw rod can drive the rack to move, the rack is arranged in a sliding mode through the sliding rail and the frame, the rack can stably move left and right, the rack is prevented from being driven to deviate by the screw rod, the rack can drive the pinion to rotate, and the pinion can drive the transmission assembly to rotate.

Preferably, the transmission assembly comprises a large rotating wheel and a transmission belt, the rear side of the pinion is bolted with the surface of the large rotating wheel, the axle center of the large rotating wheel is rotationally connected with the inside of the frame, the inside of the large rotating wheel is in transmission connection with the right side of the inside of the transmission belt, and the left side of the inside of the transmission belt is in transmission connection with the inside of the small rotating wheel.

Further, the pinion can drive the large rotating wheel to rotate, the large rotating wheel is arranged through the bearing and the frame in a rotating mode, the large rotating wheel can rotate stably, shaking of the large rotating wheel is avoided, the large rotating wheel can drive the driving belt to rotate, and the driving belt can drive the small rotating wheel to rotate.

Preferably, the splicing rod consists of a worm at the top and a screw at the bottom end of the worm, the worm of the splicing rod is meshed with the rear side of the worm wheel, the screw of the splicing rod is rotatably sleeved with the inside of the frame, and both ends of the surface of the rotating rod are rotatably sleeved with the inside of the frame.

Further, the worm of the splicing rod is meshed with teeth of the worm wheel, the worm wheel is driven to rotate by the conveniently splicing rod, the splicing rod is arranged in a rotating mode through the bearing and the frame, the splicing rod can rotate stably, and the rotating rod is arranged in a rotating mode through the bearing and the frame, so that the rotating rod can rotate stably.

Preferably, the frame is composed of a connecting frame at the top and a sliding cylinder at the bottom of the connecting frame, and the sliding cylinder of the frame is in sliding connection with the surface of the base frame.

Further, adjustment mechanism, little runner and big helical gear all are located the inside of connecting frame, and the slide cylinder is used for connecting the base frame, and through slide rail and base frame slip setting, the bottom on splice bar surface is located the inside of slide cylinder.

Preferably, the base frame is composed of a base plate at the bottom and a sliding rod at the top of the base plate, the inside of the sliding cylinder is in sliding connection with the surface of the sliding rod, and the base plate is made of cast iron.

Further, the slide bar of the base frame is arranged in a sliding mode through the slide rail and the slide cylinder of the frame, the frame can stably move up and down, the base plate adopts a solid or semi-solid structure, and therefore the weight of the base plate is improved, and the stability is enhanced.

The beneficial effects are that:

1. the adjusting mechanism can drive the large bevel gear to rotate through the small rotating wheel, the large bevel gear can drive the splicing rod to rotate through the small bevel gear, the splicing rod can drive the rotating rod to rotate through the worm wheel, the rotating rod can drive the auxiliary bevel gear to rotate through the main bevel gear, and the auxiliary bevel gear can drive the demonstration side plate to rotate, so that the demonstration side plate is unfolded;

2. the adjusting mechanism can drive the large helical gear to rotate through the small rotating wheel, the large helical gear can drive the splicing rod to rotate through the small helical gear, and the splicing rod can drive the base frame to move downwards, namely the medical teaching main board is driven to move upwards;

in the utility model, the following components are added: utilize the rotation of demonstration curb plate can open the demonstration curb plate, let the demonstration curb plate paste or write the content that medical science teaching mainboard did not show to extended the demonstration space of demonstration board, and utilize the rotation of demonstration curb plate can also fold the device, make things convenient for the removal transportation of demonstration board, utilize the helicitic texture can drive medical science teaching mainboard reciprocates, convenient height-adjusting.

Drawings

Fig. 1 is a schematic diagram of a front view structure of a demonstration board for medical teaching provided by the utility model;

fig. 2 is a schematic diagram of the internal structure of a frame of a demonstration board for medical teaching according to the present utility model;

fig. 3 is a schematic diagram of a rear view structure of a large helical gear of a demonstration board for medical teaching;

fig. 4 is a schematic perspective view of an adjusting mechanism of a demonstration board for medical teaching.

In the figure: 1. a medical teaching main board; 2. an adjusting mechanism; 21. a screw rod; 22. a rack; 23. a pinion gear; 24. a large rotating wheel; 25. a transmission belt; 3. a demonstration side plate; 4. a frame; 5. a small rotating wheel; 6. large helical gears; 7. a small helical gear; 8. splicing the connecting rods; 9. a worm wheel; 10. a rotating rod; 11. a main bevel gear; 12. a secondary bevel gear; 13. a base frame.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

Referring to fig. 1-4, a demonstration board for medical teaching comprises a medical teaching main board 1, wherein demonstration side boards 3 are hinged to two sides of the medical teaching main board 1, a frame 4 is bolted to the bottom of the medical teaching main board 1, a large bevel gear 6 is rotatably connected to the inside of the frame 4, a small rotating wheel 5 is bolted to the surface of the large bevel gear 6, a small bevel gear 7 is meshed with teeth on the left side of the large bevel gear 6, a splicing rod 8 is bolted to the axis of the small bevel gear 7, a worm wheel 9 is meshed with the top end of the splicing rod 8, a rotating rod 10 is bolted to the axis of the worm wheel 9, two ends of the rotating rod 10 extend to the outer side of the frame 4 and are bolted with a main bevel gear 11, a subsidiary bevel gear 12 is meshed with teeth on the main bevel gear 11, a hole on the bottom of the frame 4 is slidably connected with a base frame 13, the bottom end of the surface of the splicing rod 8 is in threaded connection with a screw hole at the top of the base frame 13, an adjusting mechanism 2 is connected in a transmission manner in the small rotating wheel 5, the adjusting mechanism 2 is rotationally sleeved with the frame 4, the adjusting mechanism 2 can drive the small rotating wheel 5 to rotate, the small rotating wheel 5 can drive the large helical gear 6 to rotate, the large helical gear 6 is rotationally arranged with the frame 4 through a bearing, the large helical gear 6 can smoothly rotate, smooth transmission of the structure is ensured, the large helical gear 6 and the small helical gear 7 are helical gears, the large helical gear 6 and the small helical gear 7 can be in staggered engagement, the large helical gear 6 can drive the small helical gear 7 to rotate, the small helical gear 7 can drive the splicing rod 8 to rotate, the splicing rod 8 can drive the worm wheel 9 to rotate stably through the bearing and the frame 4, the worm wheel 9 can drive the rotating rod 10 to rotate, the bull stick 10 can drive main bevel gear 11 rotation, main bevel gear 11 and vice bevel gear 12 are the conical gear, let main bevel gear 11 and vice conical gear 12 can intermesh, main bevel gear 11 can drive vice conical gear 12 rotation, demonstration curb plate 3 is connected with the articulated shaft of medical teaching mainboard 1 and vice conical gear 12, vice conical gear 12 can drive demonstration curb plate 3 rotation, splice rod 8 can drive base frame 13 downwardly moving, drive medical teaching mainboard 1 and upwards remove promptly, utilize the rotation of demonstration curb plate 3 can open demonstration curb plate 3, let demonstration curb plate 3 can paste or write the content that medical teaching mainboard 1 did not show, thereby the show space of demonstration board has been extended, and utilize the rotation of demonstration curb plate 3 can also fold the device, make things convenient for the removal transportation of demonstration board, utilize the helicitic texture can drive medical teaching mainboard 1 and reciprocate, conveniently adjust the height.

In the utility model, the adjusting mechanism 2 comprises a screw rod 21, a rack 22 and a pinion 23, both ends of the screw rod 21 are rotatably sleeved with the inside of the frame 4, the surface of the screw rod 21 is in threaded connection with the inside of the rack 22, the bottom of the rack 22 is slidably connected with the bottom end inside the frame 4, teeth at the top of the rack 22 are meshed with teeth at the bottom of the pinion 23, the adjusting mechanism 2 further comprises a transmission component bolted with the pinion 23, the right end of the screw rod 21 extends to the right side of the frame 4 and is bolted with a hand wheel, the screw rod 21 can be rotated through the hand wheel, the screw rod 21 can drive the rack 22 to move, the rack 22 is slidably arranged with the frame 4 through a sliding rail, the rack 22 can be smoothly moved left and right, the rack 22 is prevented from being driven to deviate by the screw rod 21, the pinion 23 can be driven by the pinion 23 to rotate, self-locking capability can be generated by utilizing the structure between the screw rod 21 and the rack 22, and the rack 22 is prevented from being driven to rotate by the rack 22.

In the utility model, the transmission assembly comprises a large rotating wheel 24 and a transmission belt 25, the rear side of the small gear 23 is bolted with the surface of the large rotating wheel 24, the axle center of the large rotating wheel 24 is in rotating connection with the inside of the frame 4, the inside of the large rotating wheel 24 is in transmitting connection with the right side of the inside of the transmission belt 25, the left side of the inside of the transmission belt 25 is in transmitting connection with the inside of the small rotating wheel 5, the small gear 23 can drive the large rotating wheel 24 to rotate, the large rotating wheel 24 is rotatably arranged with the frame 4 through a bearing, the large rotating wheel 24 can stably rotate, the large rotating wheel 24 is prevented from shaking, the large rotating wheel 24 can drive the transmission belt 25 to rotate, the size of the large rotating wheel 24 is larger than that of the small rotating wheel 5, the large rotating wheel 24 can rotate for a plurality of circles after rotating for a circle, and the transmission of the structure is convenient.

In the utility model, the splicing rod 8 consists of a worm at the top and a screw at the bottom end of the worm, the worm of the splicing rod 8 is meshed with the rear side of the worm wheel 9, the screw of the splicing rod 8 is rotatably sleeved with the inside of the frame 4, both ends of the surface of the rotating rod 10 are rotatably sleeved with the inside of the frame 4, the worm of the splicing rod 8 is conveniently meshed with teeth of the worm wheel 9, the worm wheel 9 is driven by the splicing rod 8 to rotate through the worm, the splicing rod 8 is rotatably arranged with the frame 4 through a bearing, the splicing rod 8 can rotate stably, and the rotating rod 10 is rotatably arranged with the frame 4 through the bearing, so that the rotating rod 10 can rotate stably.

In the utility model, the frame 4 is composed of a connecting frame at the top and a sliding barrel at the bottom of the connecting frame, the sliding barrel of the frame 4 is in sliding connection with the surface of the base frame 13, the regulating mechanism 2, the small rotating wheel 5 and the large bevel gear 6 are all positioned in the connecting frame, the sliding barrel is used for connecting the base frame 13 and is arranged in sliding connection with the base frame 13 through a sliding rail, and the bottom end of the surface of the splicing rod 8 is positioned in the sliding barrel.

In the utility model, the base frame 13 is composed of a base plate at the bottom and a sliding rod at the top of the base plate, the inside of the sliding cylinder is in sliding connection with the surface of the sliding rod, the base plate is made of cast iron, and the sliding rod of the base frame 13 is arranged in a sliding way with the sliding cylinder of the frame 4 through the sliding rail, so that the frame 4 can stably move up and down, and the base plate adopts a solid or semi-solid structure, thereby improving the weight of the base plate and enhancing the stability.

Example two

This embodiment differs from embodiment 1 in that: the cast iron material of the base plate is replaced by plastic, and the plastic has the advantages of easy processing, high flexibility and good stability, but the plastic is light in weight and cannot play a good supporting and stabilizing effect, so that the cast iron material of the base plate is preferred.

Working principle: the right end of the screw rod 21 extends to the right side of the frame 4 and is bolted with a hand wheel, the screw rod 21 can rotate the screw rod 21 through the hand wheel, the screw rod 21 can drive the rack 22 to move leftwards, the rack 22 is arranged in a sliding way with the frame 4 through a sliding rail, the rack 22 can smoothly move leftwards and rightwards, the rack 22 is prevented from being driven to deviate by the screw rod 21, the rack 22 can drive the pinion 23 to rotate clockwise, the pinion 23 can drive the large runner 24 to rotate clockwise, the large runner 24 is arranged in a rotating way with the frame 4 through a bearing, the large runner 24 can smoothly rotate, the large runner 24 can drive the driving belt 25 to rotate clockwise, the driving belt 25 can drive the small runner 5 to rotate clockwise, the small runner 5 can drive the large helical gear 6 to rotate clockwise, the large helical gear 6 is arranged in a rotating way with the frame 4 through a bearing, the large helical gear 6 can smoothly rotate, the smooth structure transmission is ensured, the big helical gear 6 and the small helical gear 7 are helical gears, the big helical gear 6 and the small helical gear 7 can be in staggered engagement, the big helical gear 6 can drive the small helical gear 7 to rotate, the small helical gear 7 can drive the splicing rod 8 to rotate, the splicing rod 8 is rotationally arranged with the frame 4 through a bearing, the splicing rod 8 can smoothly rotate, the splicing rod 8 can drive the worm wheel 9 to rotate, the worm wheel 9 can drive the rotating rod 10 to rotate, the rotating rod 10 is rotationally arranged with the frame 4 through a bearing, the rotating rod 10 can smoothly rotate, the rotating rod 10 can drive the main bevel gear 11 to rotate, the main bevel gear 11 and the auxiliary bevel gear 12 are bevel gears, the main bevel gear 11 and the auxiliary bevel gear 12 can be in mutual engagement, the main bevel gear 11 can drive the auxiliary bevel gear 12 to rotate, the demonstration side plate 3 is connected with the hinging shaft of the medical teaching main plate 1 and the auxiliary bevel gear 12, the auxiliary bevel gear 12 can drive the demonstration side plate 3 to rotate, and meanwhile, the splicing rod 8 can drive the base frame 13 to move downwards, namely, the medical teaching main plate 1 is driven to move upwards.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a demonstration board for medical science teaching, includes medical teaching mainboard (1), its characterized in that, the both sides of medical teaching mainboard (1) all articulate has demonstration curb plate (3), the bottom bolt of medical teaching mainboard (1) has frame (4), the inside rotation of frame (4) is connected with big helical gear (6), the surface bolt of big helical gear (6) has small bevel gear (7), the tooth meshing of big helical gear (6) left has small helical gear (7), the axle center department bolt of small helical gear (7) has splice bar (8), the top meshing of splice bar (8) has worm wheel (9), the axle center department bolt of worm wheel (9) has bull stick (10), the both ends of bull stick (10) all bolt have main conical gear (11), the tooth meshing of main conical gear (11) has vice conical gear (12), vice conical gear (12) bolt with demonstration curb plate (3), the axle center department bolt of frame (4) bottom has splice bar (13), the inside connection of splice bar (8) has spindle nose piece (5) to be connected with demonstration curb plate (3).

2. The demonstration board for medical teaching according to claim 1, wherein the adjusting mechanism (2) comprises a screw rod (21), a rack (22) and a pinion (23), both ends of the screw rod (21) are rotatably sleeved with the inside of the frame (4), the surface of the screw rod (21) is in threaded connection with the inside of the rack (22), the bottom of the rack (22) is in sliding connection with the bottom inside the frame (4), teeth at the top of the rack (22) are meshed with teeth at the bottom of the pinion (23), and the adjusting mechanism (2) further comprises a transmission assembly which is in bolt connection with the pinion (23).

3. A demonstration board for medical teaching according to claim 2, characterized in that the transmission assembly comprises a large rotating wheel (24) and a transmission belt (25), the rear side of the pinion (23) is bolted with the surface of the large rotating wheel (24), the axle center of the large rotating wheel (24) is rotationally connected with the inside of the frame (4), the inside of the large rotating wheel (24) is in transmission connection with the right side inside the transmission belt (25), and the left side inside the transmission belt (25) is in transmission connection with the inside of the small rotating wheel (5).

4. The demonstration board for medical teaching according to claim 1, wherein the splicing rod (8) is composed of a worm at the top and a screw at the bottom end of the worm, the worm of the splicing rod (8) is meshed with the rear side of the worm wheel (9), the screw of the splicing rod (8) is rotatably sleeved with the inside of the frame (4), and two ends of the surface of the rotating rod (10) are rotatably sleeved with the inside of the frame (4).

5. A presentation board for medical teaching according to claim 1, characterized in that the frame (4) is composed of a top connecting frame and a bottom slide of the connecting frame, and the slide of the frame (4) is slidingly connected with the surface of the base frame (13).

6. A demonstration board for medical teaching according to claim 5, characterized in that the base frame (13) is composed of a base plate at the bottom and a slide bar at the top of the base plate, the interior of the slide tube is slidingly connected with the surface of the slide bar, and the base plate is made of cast iron.