CN211624759U - Statistics teaching demonstration teaching aid - Google Patents
Statistics teaching demonstration teaching aid Download PDFInfo
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- CN211624759U CN211624759U CN202020104904.XU CN202020104904U CN211624759U CN 211624759 U CN211624759 U CN 211624759U CN 202020104904 U CN202020104904 U CN 202020104904U CN 211624759 U CN211624759 U CN 211624759U
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- teaching
- installation frame
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Abstract
The utility model discloses a statistical teaching demonstration teaching aid, which comprises a fixed seat, an installation frame, a teaching board and a fixing device, an installation frame is arranged above the fixed seat, the top of the installation frame is provided with an opening, the left side wall inside the installation frame is rotatably connected with a threaded rod through a bearing seat, the right end of the threaded rod penetrates through the right side wall inside the installation frame, and is fixedly connected with the output end of a rotating motor arranged on the right side wall of the mounting frame, a supporting block is fixedly welded at the left end of the top of the mounting frame, the mounting frame is hinged with a teaching board through a supporting block, the right side of the bottom of the teaching board is hinged with a supporting rod, the other end of the supporting rod is hinged with a second movable block which is in threaded connection with the threaded rod, the teaching board is characterized in that two groups of fixing devices are arranged on two sides of the top of the teaching board, and rolling wheels with a braking function are arranged on the periphery of the bottom of the fixing seat. This statistics teaching demonstration teaching aid, simple structure, the practicality is strong.
Description
Technical Field
The utility model belongs to the technical field of the teaching tool, concretely relates to statistics teaching demonstration teaching aid.
Background
Statistics is the science about understanding the overall quantitative characteristics and quantitative relations of objective phenomena, and is a methodology science for understanding the regularity of objective phenomena by collecting, sorting and analyzing statistical data. In the middle of the statistics teaching, need use the demonstration teaching aid to teach, current demonstration teaching aid when using, can not carry out height-adjusting according to mr's height, influences the mr and imparts knowledge to students and uses.
Therefore, aiming at the current situation, a statistical teaching demonstration teaching aid is urgently needed to be designed and produced so as to meet the requirement of actual use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a statistics teaching demonstration teaching aid to solve the problem of proposing in 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 statistics teaching demonstration teaching aid, includes fixing base, installing frame, teaching board and fixing device, the fixing base top is provided with the installing frame, the installing frame top sets up to the opening, the inside left side wall of installing frame rotates through the bearing frame and is connected with the threaded rod, the threaded rod right-hand member runs through the inside right side wall of installing frame, and the output fixed connection of the rotating electrical machines who sets up with the installing frame right side wall, the fixed welding in installing frame top left end has the supporting shoe, the installing frame articulates through the supporting shoe has the teaching board, teaching board bottom right side articulates there is the bracing piece, the bracing piece other end articulates there is the second movable block, second movable block and threaded rod threaded connection, teaching board top both sides all are provided with two sets of fixing device, the fixing base bottom all sets up the wheel that rolls that has brake.
Preferably, the inside left side wall front and back end of fixing base all is connected with two-way lead screw through the bearing frame rotation, the two-way lead screw other end runs through the inside right side wall of fixing base to extend to its outside, and the driving motor's that sets up with the fixing base right-hand member output fixed connection, threaded connection has two sets of first movable blocks on the two-way lead screw circumference outer wall, and is two sets of first movable block top all articulates there is the down tube.
Preferably, the two groups of the inclined rods are arranged in a crossed mode through rotating shafts, the tops of the two groups of the inclined rods are connected with idler wheels through cushion blocks in a rotating mode, rolling grooves matched with the idler wheels are formed in the bottoms of the mounting frames, stop blocks are fixedly welded at the centers of top walls in the rolling grooves, and rubber pads are bonded at the two ends of the stop blocks.
Preferably, fixing device includes branch, installation piece, screw rod and fixed block, the standing groove has been seted up at the teaching board top, and equal fixed welding has the bracing piece on the inside both sides wall of standing groove, bracing piece other end fixed welding has the installation piece, installation piece top center department has set up threaded hole, and screw hole female connection has the screw rod, the screw rod top extends to installation piece top, and fixed welding has the turning block, the screw rod bottom extends to installation piece below, and fixed welding has the fixed block, the fixed block bottom bonds and has the protection pad.
Preferably, the front surface of the supporting rod is hinged with a connecting rod, one end, away from the supporting rod, of the connecting rod is hinged with a sliding block, and the sliding block is adapted to a sliding groove formed in one side of the bottom of the teaching board.
The utility model discloses a technological effect and advantage: the statistical teaching demonstration teaching aid drives a bidirectional screw rod to rotate through a driving motor, the bidirectional screw rod drives two groups of first movable blocks to move relatively, so that two groups of inclined rods drive an installation frame and a teaching board to adjust the height, and the statistical teaching demonstration teaching aid is suitable for teachers with different heights to use; the threaded rod is driven to rotate by the rotating motor, so that the second movable block can adjust the angle of the supporting rod and the teaching board, and the fatigue of arms of a teacher is effectively relieved; through the arranged fixing device, the rotating block is rotated, and the rotating block drives the screw rod to fix the display screen placed on the teaching board, so that the usability of the whole body is improved; this statistics teaching demonstration teaching aid, simple structure, the practicality is strong.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
fig. 2 is a schematic structural diagram of the fixing device of the present invention.
In the figure: the teaching aid comprises a fixed seat 1, a mounting frame 2, a teaching board 3, a fixing device 4, a supporting rod 41, a mounting block 42, a screw 43, a fixing block 44, a driving motor 5, a bidirectional screw 6, a first movable block 7, an inclined rod 8, a roller 9, a rotating motor 10, a threaded rod 11, a second movable block 12, a supporting rod 13, a supporting block 14, a connecting rod 15 and a rolling wheel 16.
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.
Unless defined otherwise, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is applied, and all references are hereby incorporated herein by reference.
The utility model provides a statistical teaching demonstration teaching aid as shown in figures 1-2, which comprises a fixed seat 1, a mounting frame 2, a teaching board 3 and fixing devices 4, wherein the mounting frame 2 is arranged above the fixed seat 1, the top of the mounting frame 2 is arranged to be an opening, the left side wall inside the mounting frame 2 is connected with a threaded rod 11 through the rotation of a bearing seat, the right end of the threaded rod 11 penetrates through the right side wall inside the mounting frame 2 and is fixedly connected with the output end of a rotating motor 10 arranged on the right side wall of the mounting frame 2, the left end of the top of the mounting frame 2 is fixedly welded with a supporting block 14, the mounting frame 2 is hinged with the teaching board 3 through the supporting block 14, the right side of the bottom of the teaching board 3 is hinged with a supporting rod 13, the other end of the supporting rod 13 is hinged with a second movable block 12, the second movable block 12 is in threaded connection with the threaded rod, and rolling wheels 16 with a braking function are arranged on the periphery of the bottom of the fixed seat 1.
Concretely, all the inside left side wall front and back end of fixing base 1 is rotated through the bearing frame and is connected with two-way lead screw 6, the 6 other end of two-way lead screw runs through the inside right side wall of fixing base 1 to extend to its outside, and the driving motor 5's that sets up with the 1 right-hand member of fixing base output fixed connection, threaded connection has two sets of first movable blocks 7 on the 6 circumference outer walls of two-way lead screw, and is two sets of 7 tops of first movable blocks all articulate there is down tube 8.
Specifically, it is two sets of the down tube 8 is through pivot cross arrangement, and is two sets of 8 tops of down tube all are connected with gyro wheel 9 through the cushion rotation, the roll groove that suits with gyro wheel 9 is seted up to installing frame 2 bottom, and the fixed welding of the inside roof center department of roll groove has the dog, and the dog both ends bond there is the rubber pad, and the rubber pad of dog both sides avoids gyro wheel 9 collision wearing and tearing.
Specifically, fixing device 4 includes branch 41, installation piece 42, screw rod 43 and fixed block 44, the standing groove has been seted up at teaching board 3 top, and equal fixed welding has bracing piece 13 on the inside both sides wall of standing groove, the fixed welding of bracing piece 13 other end has installation piece 42, installation piece 42 top center department has set up threaded hole, and threaded hole female connection has screw rod 43, screw rod 43 top extends to installation piece 42 top, and fixed welding has the turning block, screw rod 43 bottom extends to installation piece 42 below, and fixed welding has fixed block 44, fixed block 44 bottom bonds there is the protection pad.
Specifically, bracing piece 13 is articulated on the positive surface to have connecting rod 15, connecting rod 15 keeps away from that 13 one end of bracing piece is articulated to have a slider, and the slider suits with the spout that teaching board 3 bottom one side was seted up, through the cooperation of connecting rod 15 with the slider, plays fine support limiting displacement.
Specifically, this statistics teaching demonstration teaching aid, when using, at first with this whole place of moving to needs, then place the display screen on teaching board 3, rotating turning block after that, the turning block drives screw rod 42 and fixes the display screen of placing on teaching board 3, start driving motor 5, driving motor 5 drives two-way lead screw 6 and rotates, two-way lead screw 6 drives two sets of first movable block 7 relative motion, make two sets of down tube 8 drive installing frame 2 and teaching board 3 carry out altitude mixture control, after teacher's teaching a period, can adjust the angle of teaching board 3 according to the health condition, start rotating motor 10 and drive threaded rod 11 and rotate, make second movable block 12 carry out angle modulation to bracing piece 13 and teaching board 3.
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 modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. The utility model provides a statistics teaching demonstration teaching aid, includes fixing base (1), installing frame (2), teaching board (3) and fixing device (4), its characterized in that: the teaching board is characterized in that an installation frame (2) is arranged above the fixing seat (1), the top of the installation frame (2) is provided with an opening, the left side wall inside the installation frame (2) is rotatably connected with a threaded rod (11) through a bearing seat, the right end of the threaded rod (11) penetrates through the right side wall inside the installation frame (2) and is fixedly connected with the output end of a rotating motor (10) arranged on the right side wall of the installation frame (2), a supporting block (14) is fixedly welded at the left end of the top of the installation frame (2), the installation frame (2) is hinged with a teaching board (3) through the supporting block (14), a supporting rod (13) is hinged at the right side of the bottom of the teaching board (3), a second movable block (12) is hinged at the other end of the supporting rod (13), the second movable block (12) is in threaded connection with the threaded rod (11), two groups, and rolling wheels (16) with a braking function are arranged on the periphery of the bottom of the fixed seat (1).
2. A statistics teaching demonstration teaching aid according to claim 1, characterized in that: the utility model discloses a two-way lead screw, including fixing base (1), two-way lead screw (6) other end, two-way lead screw (6) and two-way movable block (7), two-way lead screw (6) circumference outer wall go up threaded connection and have two sets of first movable block (7), two sets of first movable block (7) top all articulates there is down tube (8) to the front and back end of the inside left side wall of fixing base (1) all is connected with two-way lead screw (6) through the bearing frame rotation, and extend to its outside, and with the output fixed connection of driving.
3. A statistics teaching demonstration teaching aid according to claim 2, characterized in that: two sets of down tube (8) are through pivot cross arrangement, and are two sets of down tube (8) top all rotates through the cushion and is connected with gyro wheel (9), the roll groove that suits with gyro wheel (9) is seted up to installing frame (2) bottom, and the fixed welding of the inside roof center department of roll groove has the dog, and the dog both ends bond there is the rubber pad.
4. A statistics teaching demonstration teaching aid according to claim 1, characterized in that: fixing device (4) include branch (41), installation piece (42), screw rod (43) and fixed block (44), the standing groove has been seted up at teaching board (3) top, and equal fixed welding has bracing piece (13) on the inside both sides wall of standing groove, bracing piece (13) other end fixed welding has installation piece (42), installation piece (42) top center department set up threaded hole, threaded hole female connection has screw rod (43), screw rod (43) top extends to installation piece (42) top, and fixed welding has the turning block, screw rod (43) bottom extends to installation piece (42) below, and fixed welding has fixed block (44), fixed block (44) bottom bonds and has the protection pad.
5. A statistics teaching demonstration teaching aid according to claim 1, characterized in that: the utility model discloses a teaching board, including bracing piece (13), bracing piece (13) just articulated on the surface have connecting rod (15), connecting rod (15) keep away from bracing piece (13) one end and articulate and have the slider, the slider suits with the spout that teaching board (3) bottom one side was seted up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020104904.XU CN211624759U (en) | 2020-01-17 | 2020-01-17 | Statistics teaching demonstration teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020104904.XU CN211624759U (en) | 2020-01-17 | 2020-01-17 | Statistics teaching demonstration teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211624759U true CN211624759U (en) | 2020-10-02 |
Family
ID=72638631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020104904.XU Expired - Fee Related CN211624759U (en) | 2020-01-17 | 2020-01-17 | Statistics teaching demonstration teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211624759U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112863345A (en) * | 2021-01-13 | 2021-05-28 | 山西卓安物资贸易有限公司 | Construction site safety work demonstration equipment based on VR technique |
| CN115435212A (en) * | 2022-08-29 | 2022-12-06 | 国网安徽省电力有限公司亳州供电公司 | Fault recorder supporting device |
-
2020
- 2020-01-17 CN CN202020104904.XU patent/CN211624759U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112863345A (en) * | 2021-01-13 | 2021-05-28 | 山西卓安物资贸易有限公司 | Construction site safety work demonstration equipment based on VR technique |
| CN112863345B (en) * | 2021-01-13 | 2022-06-03 | 山西卓安物资贸易有限公司 | Construction site safety work demonstration equipment based on VR technique |
| CN115435212A (en) * | 2022-08-29 | 2022-12-06 | 国网安徽省电力有限公司亳州供电公司 | Fault recorder supporting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Jing Inventor before: Liu Qian |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201002 Termination date: 20220117 |