CN215118043U - Mechanical bevel gear transmission demonstration device - Google Patents

Abstract

The utility model provides a mechanical bevel gear transmission demonstration device, including bottom plate, roof and demonstration case, the bottom plate top is equipped with the roof, fixed surface installs the actuating mechanism that drives the roof lift on the bottom plate, fixed surface is connected with the demonstration case on the roof, demonstration case one side is equipped with the chamber door, and the chamber door contacts with the demonstration case, one side that the demonstration case is close to the chamber door has seted up stop gear, the utility model discloses a set up bevel gear inside the observation box of transparent acrylic material, protect bevel gear, make it be difficult for taking place to corrode and accumulate the dust, and the student easily observes the transmission demonstration of bevel gear, through operation actuating mechanism, is convenient for realize the lift of roof and demonstration case thereby cooperates the teacher's height of giving lessons to demonstrate; through operation stop gear, be convenient for dismantle or install the chamber door for the student can further learn understanding bevel gear's structure.

Description

Mechanical bevel gear transmission demonstration device

Technical Field

The utility model relates to a teaching demonstration technical field especially relates to a mechanical bevel gear transmission presentation device.

Background

At present, courses such as a mechanical principle, a mechanical design basis and the like all relate to a bevel gear section, and teaching of corresponding parts includes distinguishing transmission characteristics of the bevel gear from various gear trains.

The teacher of giving lessons generally demonstrates bevel gear to the student through dictation or picture when explaining bevel gear, and some students lack the imagination consequently hardly understand bevel gear's transmission characteristics through dictation or picture, and current bevel gear transmission presentation device is not convenient for remove, and lacks lifting function, and the cooperation teacher of giving lessons's height of not being convenient for is used to current bevel gear transmission presentation device lacks protection device, easily produces dust or corruption to bevel gear after using for a long time.

Therefore, it is necessary to provide a mechanical bevel gear transmission demonstration device to solve the technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a mechanical bevel gear transmission presentation device to solve current bevel gear transmission presentation device's not convenient part.

The utility model provides a mechanical bevel gear transmission demonstration device, which comprises a bottom plate, a top plate and a demonstration box, wherein the top plate is arranged above the bottom plate, a driving mechanism for driving the top plate to lift is fixedly arranged on the upper surface of the bottom plate, the demonstration box is fixedly connected with the upper surface of the top plate, one side of the demonstration box is provided with a box door, the box door is contacted with the demonstration box, one side of the demonstration box, which is close to the box door, is provided with a limiting mechanism, two sides of the inner wall of the demonstration box are symmetrically and rotationally connected with first rotating rods through bearings, two first bevel gears are fixedly connected with the inner sides of the first rotating rods, one side of the first rotating rod passes through a first hand wheel fixedly connected with the demonstration box, the top of the inner wall of the demonstration box is rotationally connected with a second rotating rod through bearings, the bottom of the second rotating rod is fixedly connected with a second bevel gear, and the two sides of the second bevel gear are simultaneously meshed with the two first bevel gears, the top of the second rotating rod penetrates through the demonstration box and is fixedly connected with a second hand wheel.

Preferably, the driving mechanism comprises a driving motor, a supporting column, a supporting plate, a worm, a supporting seat, a worm wheel, an L-shaped swing arm and a strip-shaped swing arm, a driving motor is fixedly arranged at the center of the upper surface of the bottom plate, support columns are fixedly connected with the upper surface of the bottom plate at equal intervals, support plates are fixedly connected with the tops of the four support columns, a worm is rotatably connected at the center of each support plate through a bearing, the bottom of the worm passes through the support plate and is fixedly connected with the output end of the driving motor, the top of the support plate is fixedly connected with three support seats at equal intervals, the inner walls of the three support seats are respectively and rotatably connected with a worm wheel through bearings, three worm wheels are meshed with the worm at the same time, the outer sides of the worm wheels are fixedly connected with L-shaped swing arms, l type swing arm top articulates there is the bar swing arm, and three bar swing arm top all is articulated through hinge and roof lower surface.

Preferably, stop gear includes mounting groove, mounting panel, splint, arc fixture block and reset spring, the outside one side symmetry that is close to the chamber door of demonstration case has seted up the mounting groove, mounting groove inner wall fixed mounting has the mounting panel, one side that the mounting panel is close to the chamber door articulates through the hinge symmetry has splint, one side symmetry fixedly connected with arc fixture block that the chamber door is close to the demonstration case, and two splint inboards and arc fixture block joints of matched with, splint one side bottom fixedly connected with reset spring, and one side and mounting panel fixed connection that reset spring is close to the mounting panel.

Preferably, the bottom plate lower surface equidistance fixedly connected with truckle, and the truckle is a auto-lock universal wheel.

Preferably, handles are symmetrically and fixedly connected to the outer sides of the box doors.

Preferably, the controller is fixedly installed on the upper surface of the top plate, and the driving motor is electrically connected with the controller.

Compared with the prior art, the utility model provides a have following beneficial effect:

1. the utility model discloses a set up bevel gear inside the observation box of transparent ya keli material, protect bevel gear, make its difficult emergence corrode and accumulate the dust, and the student easily observes bevel gear's transmission demonstration.

2. Because the second bevel gear meshes with two first bevel gears simultaneously, when rotatory first hand wheel, can make a first bevel gear drive second bevel gear and another bevel gear in proper order and rotate, when rotatory second hand wheel, can drive two first bevel gears simultaneously and rotate to there is a clear and concise demonstration to bevel gear's transmission characteristic, the student of being convenient for understands bevel gear transmission characteristic.

3. By operating the driving mechanism, the lifting of the top plate and the demonstration box is convenient to realize, so that the teaching demonstration is carried out by matching with the height of a teaching teacher; through operation stop gear, be convenient for dismantle or install the chamber door for the student can further learn understanding bevel gear's structure.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the demonstration box of the present invention;

fig. 3 is a schematic structural view of the driving mechanism of the present invention;

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

FIG. 5 is a schematic view of the clamping plate of the present invention;

fig. 6 is a schematic structural diagram of the limiting mechanism of the present invention.

Reference numbers in the figures: 1. a base plate; 2. a top plate; 3. a demonstration box; 4. a drive mechanism; 41. a drive motor; 42. a support pillar; 43. a support plate; 44. a worm; 45. a supporting seat; 46. a worm gear; 47. an L-shaped swing arm; 48. a strip-shaped swing arm; 5. a box door; 6. a limiting mechanism; 61. mounting grooves; 62. mounting a plate; 63. a splint; 64. an arc-shaped fixture block; 65. a return spring; 7. a first rotating lever; 8. a first bevel gear; 9. a first hand wheel; 10. a second rotating rod; 11. a second bevel gear; 12. a second hand wheel; 13. a caster wheel; 14. a handle; 15. and a controller.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

In the specific implementation process, please refer to fig. 1 and 2, a mechanical bevel gear transmission demonstration device comprises a bottom plate 1, a top plate 2 and a demonstration box 3, wherein bevel gears are arranged inside an observation box 3 made of transparent acrylic material to protect the bevel gears, so that the bevel gears are not easy to corrode and accumulate dust, and students can easily observe the transmission demonstration of the bevel gears, the top plate 2 is arranged above the bottom plate 1, a driving mechanism 4 for driving the top plate 2 to ascend and descend is fixedly arranged on the upper surface of the bottom plate 1, the top plate 2 and the demonstration box 3 can ascend and descend conveniently by operating the driving mechanism 4 so as to match the height of a teaching teacher for teaching demonstration, the demonstration box 3 is fixedly connected on the upper surface of the top plate 2, a box door 5 is arranged on one side of the demonstration box 3, the box door 5 is in contact with the demonstration box 3, a limiting mechanism 6 is arranged on one side of the demonstration box 3 close to the box door 5, and the limiting mechanism 6 is operated, the box door 5 is convenient to disassemble or assemble, so that students can further learn and understand the structure of the bevel gears, two sides of the inner wall of the demonstration box 3 are symmetrically and rotatably connected with first rotating rods 7 through bearings, the inner sides of the two first rotating rods 7 are fixedly connected with first bevel gears 8, one side of one first rotating rod 7 penetrates through the demonstration box 3 and is fixedly connected with a first hand wheel 9, the top of the inner wall of the demonstration box 3 is rotatably connected with a second rotating rod 10 through bearings, the bottom of the second rotating rod 10 is fixedly connected with a second bevel gear 11, two sides of the second bevel gear 11 are simultaneously meshed and connected with the two first bevel gears 8, the top of the second rotating rod 10 penetrates through the demonstration box 3 and is fixedly connected with a second hand wheel 12, because the second bevel gear 11 is simultaneously meshed with the two first bevel gears 5, when the first hand wheel 9 is rotated, one first bevel gear 8 can sequentially drive the second bevel gear 11 and the other bevel gear 8 to rotate, when the second hand wheel 12 is rotated, the two first bevel gears 8 are driven to rotate at the same time, so that the transmission characteristics of the bevel gears can be clearly and simply demonstrated.

Referring to fig. 1 and 3, the driving mechanism 4 includes a driving motor 41, a supporting column 42, a supporting plate 43, a worm 44, supporting seats 45, a worm wheel 46, an L-shaped swing arm 47 and a bar-shaped swing arm 48, the driving motor 41 is fixedly installed at the center of the upper surface of the base plate 1, the supporting columns 42 are fixedly connected to the upper surface of the base plate 1 at equal intervals, the supporting plates 43 are fixedly connected to the tops of the four supporting columns 42, the worm 44 is rotatably connected to the center of the supporting plate 43 through a bearing, the bottom of the worm 44 passes through the supporting plate 43 and is fixedly connected to the output end of the driving motor 41, the worm 44 is rotated by operating the driving motor 41, the three supporting seats 45 are fixedly connected to the top of the supporting plate 43 at equal intervals, the inner walls of the three supporting seats 45 are respectively rotatably connected to the worm wheel 46 through bearings, and the three worm wheels 46 are simultaneously engaged with the worm 44, the L-shaped swing arm 47 is fixedly connected to the outer side of the worm wheel 46, the bar-shaped swing arm 48 is hinged to the top of the L-shaped swing arm 47, and three bar swing arm 48 tops all are articulated through hinge and roof 2 lower surface, and when operation actuating mechanism 4, because three worm wheel 46 meshes with worm 44 simultaneously to make three worm wheel 46 drive three L type swing arm 47 simultaneously and rotate, and then drive three bar swing arm 48 skew certain distance and change certain angle, because three bar swing arm 48 is articulated with roof 3 simultaneously, finally realize the lift that roof 3 drove the demonstration case.

Referring to fig. 2, 4, 5 and 6, the limiting mechanism 6 includes a mounting groove 61, a mounting plate 62, a clamp plate 63, an arc-shaped clamping block 64 and a return spring 65, the mounting groove 61 is symmetrically formed on one side of the exterior of the demonstration box 3 close to the box door 5, the mounting plate 62 is fixedly mounted on the inner wall of the mounting groove 61, the clamp plate 63 is symmetrically hinged on one side of the mounting plate 62 close to the box door 5 through a hinge, the arc-shaped clamping block 64 is symmetrically and fixedly connected to one side of the box door 5 close to the demonstration box 3, the inner sides of the two matched clamp plates 63 are clamped with the arc-shaped clamping block 64, the return spring 65 is fixedly connected to the bottom of one side of the clamping plate 63, and one side of the return spring 65 close to the mounting plate 62 is fixedly connected with the mounting plate 62, when the box door 5 needs to be removed during operation of the limiting mechanism 6, the box door 5 is pulled to the exterior of the demonstration box 3 by holding the handle 14 with both hands, the clamp plate 63 is hinged at a certain angle by overcoming the elastic force of the return spring 65, thereby cancel two splint 63 of matched with to the joint of an arc clamp splice 64, and then can break away from demonstration case 3 with chamber door 5, two splint 63 restore to initial position because reset spring 65 effect, when needs installation chamber door 5, with above-mentioned process opposite, overcome reset spring 65's elasticity and fill in the inside of splint 63 with arc clamp splice 64, stop gear 6 simple structure, and easy operation.

Referring to fig. 1, casters 13 are fixedly connected to the lower surface of the base plate 1 at equal intervals, and the casters 13 are self-locking universal wheels, so that the whole device can be moved or fixed conveniently.

Referring to fig. 1, the handles 14 are symmetrically and fixedly connected to the outer side of the box door 5, so as to facilitate the operation of the box door 5.

Referring to fig. 1, the controller 15 is fixedly mounted on the upper surface of the top plate 2, and the driving motor 41 is electrically connected to the controller 15, so as to control the operation of the driving motor 41, and the controller 15 is similar to the conventional control circuit in principle and will not be described herein again.

The working principle is as follows: the bevel gears are arranged inside the observation box 3 made of transparent acrylic materials, the bevel gears are protected and are not easy to corrode and accumulate dust, students can easily observe transmission demonstration of the bevel gears, because the second bevel gear 11 is meshed with the two first bevel gears 5 at the same time, when the first hand wheel 9 is rotated, one first bevel gear 8 can sequentially drive the second bevel gear 11 and the other bevel gear 8 to rotate, and when the second hand wheel 12 is rotated, the two first bevel gears 8 can be simultaneously driven to rotate, so that the transmission characteristics of the bevel gears can be clearly and concisely demonstrated; by operating the driving mechanism 4, the lifting of the top plate 2 and the demonstration box 3 is convenient to realize, so that the teaching demonstration is carried out by matching with the height of a teaching teacher; through operation stop gear 6, be convenient for dismantle or install chamber door 5 for the student can further learn understanding bevel gear's structure.

When the driving mechanism 4 is operated, the worm 44 is rotated by operating the driving motor 41, and the three worm gears 46 are simultaneously meshed with the worm 44, so that the three worm gears 46 simultaneously drive the three L-shaped swing arms 47 to rotate, further drive the three bar-shaped swing arms 48 to deviate for a certain distance and change for a certain angle, and finally realize that the top plate 3 drives the demonstration box to lift as the three bar-shaped swing arms 48 are simultaneously hinged with the top plate 3; when operation stop gear 6, when needing to demolish chamber door 5, hold handle 14 to demonstration case 3 outside pulling chamber door 5 through both hands, overcome reset spring 65's elasticity and make splint 63 hinge certain angle, thereby cancel two splint 63 of matched with to the joint of an arc clamp splice 64, and then can break away from demonstration case 3 with chamber door 5, two splint 63 are because reset spring 65 effect resumes to initial position, when needs installation chamber door 5, with above-mentioned process opposite, overcome reset spring 65's elasticity and fill in the inside of splint 63 with arc clamp splice 64, stop gear 6 simple structure, and easy to operate.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims (6)

1. A mechanical bevel gear transmission demonstration device comprises a bottom plate (1), a top plate (2) and a demonstration box (3), and is characterized in that the top plate (2) is arranged above the bottom plate (1), a driving mechanism (4) for driving the top plate (2) to ascend and descend is fixedly arranged on the upper surface of the bottom plate (1), the demonstration box (3) is fixedly connected on the upper surface of the top plate (2), a box door (5) is arranged on one side of the demonstration box (3), the box door (5) is in contact with the demonstration box (3), a limiting mechanism (6) is arranged on one side, close to the box door (5), of the demonstration box (3), first rotating rods (7) are symmetrically and rotatably connected on two sides of the inner wall of the demonstration box (3) through bearings, first bevel gears (8) are fixedly connected on the inner sides of the first rotating rods (7), one side of the first rotating rods (7) penetrates through a first hand wheel (9) fixedly connected with the demonstration box (3), the demonstration box is characterized in that a second rotating rod (10) is rotatably connected to the top of the inner wall of the demonstration box (3) through a bearing, a second bevel gear (11) is fixedly connected to the bottom of the second rotating rod (10), two sides of the second bevel gear (11) are meshed with the two first bevel gears (8) simultaneously, and a second hand wheel (12) is fixedly connected to the top of the second rotating rod (10) and penetrates through the demonstration box (3).

2. The mechanical bevel gear transmission demonstration device according to claim 1, wherein the driving mechanism (4) comprises a driving motor (41), supporting columns (42), supporting plates (43), a worm (44), supporting seats (45), a worm wheel (46), L-shaped swing arms (47) and strip-shaped swing arms (48), the driving motor (41) is fixedly installed at the center of the upper surface of the bottom plate (1), the supporting columns (42) are fixedly connected to the upper surface of the bottom plate (1) at equal intervals, the supporting plates (43) are fixedly connected to the tops of the four supporting columns (42), the worm (44) is rotatably connected to the center of the supporting plates (43) through bearings, the bottom of the worm (44) penetrates through the supporting plates (43) and is fixedly connected with the output end of the driving motor (41), and the three supporting seats (45) are fixedly connected to the tops of the supporting plates (43) at equal intervals, it is three supporting seat (45) inner wall rotates through the bearing respectively and is connected with worm wheel (46), and three worm wheel (46) are connected with worm (44) meshing simultaneously, worm wheel (46) outside fixedly connected with L type swing arm (47), L type swing arm (47) top articulates there is bar swing arm (48), and three bar swing arm (48) top all is articulated through hinge and roof (2) lower surface.

3. The mechanical bevel gear transmission demonstration device according to claim 1, the limiting mechanism (6) comprises a mounting groove (61), a mounting plate (62), a clamping plate (63), an arc-shaped clamping block (64) and a return spring (65), the outer part of the demonstration box (3) close to one side of the box door (5) is symmetrically provided with mounting grooves (61), the inner wall of the mounting groove (61) is fixedly provided with a mounting plate (62), one side of the mounting plate (62) close to the box door (5) is symmetrically hinged with clamping plates (63) through hinges, arc-shaped clamping blocks (64) are symmetrically and fixedly connected to one side of the box door (5) close to the demonstration box (3), and the inner sides of the two clamping plates (63) which are matched with each other are clamped with the arc-shaped clamping block (64), the bottom of one side of the splint (63) is fixedly connected with a return spring (65), and one side of the return spring (65) close to the mounting plate (62) is fixedly connected with the mounting plate (62).

4. The mechanical bevel gear transmission demonstration device according to claim 2, wherein casters (13) are fixedly connected to the lower surface of the base plate (1) at equal intervals, and the casters (13) are self-locking universal wheels.

5. The mechanical bevel gear transmission demonstration device according to claim 3, wherein handles (14) are symmetrically and fixedly connected to the outer side of the box door (5).

6. The mechanical bevel gear transmission demonstration device according to claim 2, wherein a controller (15) is fixedly installed on the upper surface of the top plate (2), and the driving motor (41) is electrically connected with the controller (15).

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