CN213815183U

CN213815183U - Higher mathematics probability presentation device

Info

Publication number: CN213815183U
Application number: CN202120030792.2U
Authority: CN
Inventors: 龙海波
Original assignee: Harbin Finance University
Current assignee: Harbin Finance University
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-07-27
Anticipated expiration: 2031-01-07

Abstract

The utility model discloses an advanced mathematics probability presentation device, including the fixed bolster, the platform is rotated in the inside fixedly connected with support of fixed bolster, support the one end top fixedly connected with lift presentation device who rotates the platform, the lift presentation device is including demonstration rolling disc, slide bar, spacing screw and fixed sleeve, the demonstration rolling disc rotates the side top of connecting at the slide bar, the slide bar slides and pegs graft at fixed sleeve's inside center, the spacing screw thread pegs graft at fixed sleeve's side top, just spacing screw is the annular and distributes, the support is rotated the platform and is included gag lever post, rotation supporting disk, spacing inserted bar, rolling disc and motor, rolling disc fixed connection is on the top of motor, gag lever post fixed connection is in the top one end of rolling disc. The utility model discloses a setting of lifting demonstration device and support swivel base has realized that the student at turning of can being convenient for watches, and the crowd of adaptable multiple height uses the teaching aid.

Description

Higher mathematics probability presentation device

Technical Field

The utility model relates to a teaching aid equipment technical field specifically is a higher mathematics probability presentation device.

Background

When school's inside is gone up class hour, the mr is for letting the student more convenient understanding mathematics probability, can all use some dedicated teaching presentation device usually, setting through teaching presentation device, can help the quick understanding of student wherein content, the teaching aid of imparting knowledge to students is generally placed in the corner of podium for not sheltering from teacher's sight usually, make some sit the unable content of observing on the teaching aid of the student at some comparatively turnings, and every student height is different, make the phenomenon of the operation teaching aid of not being convenient for appear when last stage, consequently, need an equipment to make the improvement to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a higher mathematics probability presentation device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a higher mathematics probability presentation device, includes the fix the support frame, the platform is rotated in the inside fixedly connected with support of fix the support frame, the one end top fixedly connected with lift presentation device of support rotation platform, the lift presentation device is including demonstration rolling disc, slide bar, spacing screw and fixed sleeve, the demonstration rolling disc rotates the side top of connecting at the slide bar, the slide bar slides and pegs graft at fixed sleeve's inside center, spacing screw thread pegs graft at fixed sleeve's side top, just spacing screw is the annular and distributes.

Preferably, the supporting and rotating table comprises a limiting rod, a rotating supporting disc, a limiting insertion rod, a rotating disc and a motor, the rotating disc is fixedly connected to the top end of the motor, the limiting rod is fixedly connected to one end of the top of the rotating disc, the rotating supporting disc is sleeved on the side end of the limiting rod in a sliding mode, and the limiting insertion rod is inserted into one end, far away from the limiting rod, of the rotating supporting disc in a sliding mode.

Preferably, the fixed support frame comprises a fastening screw, a balancing weight, a clamping strip, a support base plate, a limiting clamping groove and a protective cover plate, the protective cover plate is inserted on the top end of the support base plate in a sliding mode, the fastening screw penetrates through the protective cover plate in a threaded mode and is inserted inside the top end of the support base plate, the limiting clamping groove is formed in one end of the support base plate, the clamping strip is inserted inside the limiting clamping groove in a sliding mode, and the balancing weight is fixedly connected to the top end of the clamping strip.

Preferably, the supporting bottom plate is arranged in an L shape.

Preferably, the rotating disc drives the limiting rod to rotate in the rotating support disc while rotating.

Preferably, the sliding rod is symmetrically provided with square fixing grooves inside.

Preferably, the limiting screw is fastened with the square fixing groove when screwed to the limit position.

Preferably, the fixed sleeve is fixedly connected to one end, far away from the limiting rod, of the rotating support plate, and the motor is fixedly connected to the inside of the support bottom plate.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses an installation goes up and down to demonstrate the device, through the slip rod slip grafting in the inside of fixed sleeve, can be according to the difference of body height with the slip rod, the height of nimble adjustment slip rod, and seted up square fixed slot on the side of slip rod, can inwards twist the limit screw and revolve to the extreme position, until fastening with square fixed slot, make can fix the slip rod at appointed operating height, avoid demonstrating the rolling disc and slip rod and slide down, pass through the one end fixed connection of rotation supporting disk through the limit inserted bar on the supporting baseplate, the other end slip grafting of rotation supporting disk is on the side of limit rod, when the gag lever post is in the rotation, can drive the rear end of rotation supporting disk to swing back and forth, and fixed sleeve fixed connection is in the one end top of rotation supporting disk, when the rotation supporting disk is in the rotation, can drive fixed sleeve to swing back and forth, the students at the corners can observe the contents on the demonstration rotating disk conveniently.

Secondly, the utility model can drive the limiting rod to rotate when the rotating disc rotates by electrifying and starting the motor and driving the limiting rod to rotate when the rotating disc rotates, and can realize the back and forth swing of the rotating support disc when the limiting rod rotates by arranging the rotating support rotary table at one end of the top of the rotating disc through the limiting rod and fixedly connecting the rotating disc at the top end of the motor, so that the support stability of the support bottom plate can be increased by arranging the support bottom plate in an L shape, the support bottom plate is arranged at one end of the support bottom plate through the limiting clamping groove, the clamping strip is fixedly connected at the bottom of one end of the balancing weight, the clamping strip can be inserted in the limiting clamping groove in a sliding way, so that the balancing weight can be fixed at one end of the support bottom plate, the support bottom plate is prevented from falling forwards, the support bottom plate is inserted in a sliding way on the support bottom plate through the protective cover plate, and the fastening screw threads penetrate through the protective cover plate and are inserted on the support bottom plate, can fix the protection apron on supporting baseplate, avoid other personnel to contact motor and rolling disc.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic structural view of the lifting demonstration device of the present invention;

FIG. 3 is a schematic view of the supporting and rotating structure of the present invention;

fig. 4 is a schematic view of the split of the fixing support frame of the present invention.

In the figure: 1-lifting demonstration device, 2-supporting rotary table, 3-fixed support frame, 4-demonstration rotary disc, 5-sliding rod, 6-limit screw, 7-fixed sleeve, 8-limit rod, 9-rotary support disc, 10-limit inserted rod, 11-rotary disc, 12-motor, 13-fastening screw, 14-counterweight block, 15-clamping strip, 16-supporting bottom plate, 17-limit clamping groove and 18-protective cover plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a higher mathematics probability demonstration device comprises a fixed support frame 3, a supporting rotary table 2 is fixedly connected inside the fixed support frame 3, a lifting demonstration device 1 is fixedly connected to the top of one end of the supporting rotary table 2, the lifting demonstration device 1 comprises a demonstration rotary disc 4, a sliding rod 5, a limiting screw 6 and a fixed sleeve 7, the demonstration rotary disc 4 is rotatably connected to the top of the side end of the sliding rod 5, the sliding rod 5 is slidably inserted in the center of the inside of the fixed sleeve 7, the limiting screw 6 is inserted in the top of the side end of the fixed sleeve 7 in a threaded manner, the limiting screw 6 is annularly distributed, the sliding rod 5 is slidably inserted in the fixed sleeve 7 through the sliding rod 5, the sliding rod 5 can be flexibly adjusted in height according to different heights, a square fixed groove is formed in the side end of the sliding rod 5, the limiting screw 6 can be screwed inwards to a limit position until being fastened with the square fixed groove, make and to fix slide bar 5 at appointed operating height, avoid demonstrating rolling disc 4 and slide bar 5 lapse, one end fixed connection who runs through rotation supporting disk 9 through spacing inserted bar 10 is on supporting baseplate 16, the other end of rotation supporting disk 9 slides and pegs graft on gag lever post 8's side, when gag lever post 8 is in the pivoted, can drive the rear end swing back and forth of rotation supporting disk 9, and fixed sleeve 7 fixed connection is at the one end top of rotation supporting disk 9, when rotation supporting disk 9 is in the pivoted, can drive fixed sleeve 7 swing back and forth, the classmate at the corner of being convenient for observes the content on demonstrating rolling disc 4.

The supporting rotating platform 2 comprises a limiting rod 8, a rotating supporting disk 9, a limiting inserted rod 10, a rotating disk 11 and a motor 12, the rotating disk 11 is fixedly connected to the top end of the motor 12, the limiting rod 8 is fixedly connected to one end of the top of the rotating disk 11, the rotating supporting disk 9 is sleeved on the side end of the limiting rod 8 in a sliding manner, the limiting inserted rod 10 is inserted and connected to one end, far away from the limiting rod 8, of the rotating supporting disk 9 in a sliding manner, the fixing supporting rack 3 comprises a fastening screw 13, a balancing weight 14, a clamping strip 15, a supporting baseplate 16, a limiting clamping groove 17 and a protective cover plate 18, the protective cover plate 18 is inserted and connected to the top end of the supporting baseplate 16 in a sliding manner, the fastening screw 13 penetrates through the protective cover plate 18 and is inserted and connected to the inside of the top end of the supporting baseplate 16, the limiting clamping groove 17 is arranged inside one end of the supporting baseplate 16, the clamping strip 15 is inserted and connected to the inside the limiting clamping groove 17 in a sliding manner, the balancing weight 14 is fixedly connected to the top end of the clamping strip 15, the support bottom plate 16 is arranged in an L shape, the rotating disc 11 drives the limit rod 8 to rotate in the rotation support disc 9 when rotating, square fixing grooves are symmetrically formed in the sliding rod 5, the limit screw 6 is fastened with the square fixing grooves when being screwed to a limit position, the fixing sleeve 7 is fixedly connected to one end, far away from the limit rod 8, of the rotation support disc 9, the motor 12 is fixedly connected to the inside of the support bottom plate 16 and is fixedly connected to one end of the top of the rotating disc 11 through the limit rod 8, the rotating disc 11 is fixedly connected to the top end of the motor 12, the motor 12 can be powered on and started, the electric rotating disc 11 can rotate, the limit rod 8 can be driven to rotate when the rotating disc 11 rotates, the limit rod 8 can swing back and forth when rotating, the rotation support disc 9 can swing back and forth when being arranged in an L shape through the support bottom plate 16, and the support stability of the support bottom plate 16 can be improved, offer one at supporting baseplate 16 through spacing draw-in groove 17 and serve, and card strip 15 fixed connection is in the one end bottom of balancing weight 14, can slide the inside of pegging graft at spacing draw-in groove 17 with card strip 15, make can fix balancing weight 14 and serve one at supporting baseplate 16, avoid supporting baseplate 16 to empty forward, slide through protective cover 18 and peg graft on supporting baseplate 16, and fastening screw 13 respectively the screw thread runs through protective cover 18 screw thread and pegs graft on supporting baseplate 16, can fix protective cover 18 on supporting baseplate 16, avoid other personnel to contact motor 12 and rolling disc 11.

The working principle is as follows: when the device is used, the device is firstly placed at a specified position, then the motor 12 is electrified and started, the rotating disc 11 can be driven to rotate, the rotating disc is fixedly connected with one end of the top of the rotating disc 11 through the limiting rod 8, the rotating support disc 9 is sleeved on the limiting rod 8 in a sliding manner, when the rotating disc 11 rotates, the limiting rod 8 can be driven to rotate inside the rotating support disc 9, the limiting insertion rod 10 penetrates through one end of the rotating support disc 9 and is fixedly connected with the top end of the support bottom plate 16, so that the rotating support disc 9 can swing back and forth, the fixed sleeve 7 is fixedly welded on one end of the rotating support disc 9, the fixed sleeve 7 can be driven to swing back and forth when the rotating support disc 9 swings, the homologism observation of corners is facilitated, the rotating disc 4 is rotatably connected with the side end of the sliding rod 5 through demonstration, and the sliding rod 5 is slidably inserted inside the fixed sleeve 7, the sliding rod 5 can be pulled upwards until the demonstration rotating disc 4 is driven to ascend to a proper position, the side end of the sliding rod 5 is provided with a square fixing groove, the limiting screws 6 can be screwed inwards respectively until the limiting screws 6 are fastened with the square fixing groove, so that the sliding rod 5 and the demonstration rotating disc 4 can be fixed at a specified working height, the whole teaching demonstration work is completed, the sliding rod is arranged at one end of the supporting base plate 16 through the limiting clamping groove 17, the clamping strip 15 is fixedly connected to the bottom end of the balancing weight 14, the clamping strip 15 can be inserted into the limiting clamping groove 17 in a sliding mode, the balancing weight 14 can be arranged at one end of the supporting base plate 16, the supporting base plate 16 is prevented from inclining forwards, the supporting base plate 16 is arranged in an L shape, the stability of the supporting motor 12 during working can be greatly improved, and meanwhile, the fastening screw 13 penetrates through the protective cover plate 18 and is inserted into the supporting base plate 16 in a threaded mode, a protective cover 18 may be secured to the top of the support base 16 to prevent students from contacting the motor 12 and the turn disc 11.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a higher mathematics probability presentation device, includes fixed stay frame (3), its characterized in that: the inside fixedly connected with of fixed stay frame (3) supports and rotates platform (2), support and rotate one end top fixedly connected with lift presentation device (1) of platform (2), lift presentation device (1) is including demonstration rolling disc (4), slide bar (5), spacing screw (6) and fixed sleeve (7), demonstration rolling disc (4) are rotated and are connected at the side top of slide bar (5), slide bar (5) slide and peg graft at the inside center of fixed sleeve (7), spacing screw (6) screw thread is pegged graft at the side top of fixed sleeve (7), just spacing screw (6) are the annular and distribute.

2. The higher math probability presentation device of claim 1, wherein: the supporting and rotating table (2) comprises a limiting rod (8), a rotating supporting disk (9), a limiting insertion rod (10), a rotating disk (11) and a motor (12), the rotating disk (11) is fixedly connected to the top end of the motor (12), the limiting rod (8) is fixedly connected to one end of the top of the rotating disk (11), the rotating supporting disk (9) is slidably sleeved on the side end of the limiting rod (8), and the limiting insertion rod (10) is slidably inserted into one end, far away from the limiting rod (8), of the rotating supporting disk (9).

3. The higher math probability presentation device of claim 2, wherein: the fixed support frame (3) comprises a fastening screw (13), a balancing weight (14), a clamping strip (15), a supporting base plate (16), a limiting clamping groove (17) and a protective cover plate (18), the protective cover plate (18) is inserted on the top end of the supporting base plate (16) in a sliding mode, the fastening screw (13) penetrates through the protective cover plate (18) in a threaded mode and is inserted inside the top end of the supporting base plate (16), the limiting clamping groove (17) is formed in one end of the supporting base plate (16), the clamping strip (15) is inserted inside the limiting clamping groove (17) in a sliding mode, and the balancing weight (14) is fixedly connected to the top end of the clamping strip (15).

4. A higher math probability presentation device as claimed in claim 3, wherein: the supporting bottom plate (16) is arranged in an L shape.

5. The higher math probability presentation device of claim 4, wherein: the rotating disc (11) rotates and simultaneously drives the limiting rod (8) to rotate in the rotating support disc (9).

6. The higher math probability presentation device of claim 5, wherein: the inside of the sliding rod (5) is symmetrically provided with square fixing grooves.

7. The higher math probability presentation device of claim 6, wherein: and the limiting screw (6) is fastened with the square fixing groove when screwed to the limit position.

8. The higher math probability presentation device of claim 7, wherein: the fixing sleeve (7) is fixedly connected to one end, far away from the limiting rod (8), of the rotating supporting disc (9), and the motor (12) is fixedly connected to the inside of the supporting bottom plate (16).