CN215954597U - Detachable combined teaching aid - Google Patents
Detachable combined teaching aid Download PDFInfo
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- CN215954597U CN215954597U CN202122202359.5U CN202122202359U CN215954597U CN 215954597 U CN215954597 U CN 215954597U CN 202122202359 U CN202122202359 U CN 202122202359U CN 215954597 U CN215954597 U CN 215954597U
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Abstract
The utility model relates to the technical field of teaching aids, in particular to a detachable combined teaching aid. A detachable combined teaching aid comprises a probability disc, a detachable pointer, a bearing transverse shaft and a bracket; the detachable pointer comprises a pointer body, a sliding sleeve and a locking screw rod; the pointer body is fixed on a sliding sleeve, the sliding sleeve slides on the bearing transverse shaft, the sliding sleeve is in threaded fit with a locking screw rod, and the locking screw rod is inserted into a locking jack of the bearing transverse shaft; the bearing cross shaft is fixed on the support, the probability disc rotates on the bearing cross shaft, and the probability disc is located between the sliding sleeve and the support. The detachable combined teaching aid can be used for probability teaching, can also be used for disassembling a probability disc to be used as a circle drawing teaching aid, and is rich in functions and high in practicability.
Description
Technical Field
The utility model relates to the technical field of teaching aids, in particular to a detachable combined teaching aid.
Background
Probability is a measure of the probability of a random event occurring, and generally represents the magnitude of the probability of an event occurring in terms of a real number between 0 and 1, with events more likely to occur closer to 1; the closer to 0, the less likely the event is to occur; need specific model teaching aid to demonstrate the teaching when probability teaching, can improve probability teaching's efficiency and quality like this effectively. However, the existing probability model teaching aid technology has the following problems: the existing probability model teaching aid has a single structure and a single use function, and cannot perform diversified teaching work.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a detachable combined teaching aid which can effectively solve the problems in the prior art.
The purpose of the utility model is realized by the following technical scheme:
a detachable combined teaching aid comprises a probability disc, a detachable pointer, a bearing transverse shaft and a bracket; the detachable pointer comprises a pointer body, a sliding sleeve and a locking screw rod; the pointer body is fixed on a sliding sleeve, the sliding sleeve slides on the bearing transverse shaft, the sliding sleeve is in threaded fit with a locking screw rod, and the locking screw rod is inserted into a locking jack of the bearing transverse shaft; the bearing cross shaft is fixed on the support, the probability disc rotates on the bearing cross shaft, and the probability disc is located between the sliding sleeve and the support.
Preferably, the probability disc comprises an inner ring body, a connecting rod and an outer ring body; the inner ring body rotates on the bearing transverse shaft, and the inner ring body and the outer ring body are fixed through a plurality of connecting rods which are uniformly arranged in a surrounding manner; the outer side surface of the outer ring body is provided with a circular dial, and the tip of the pointer body is arranged towards the circular dial.
Preferably, the number of the connecting rods is six.
Preferably, the bearing transverse shaft is connected with a limiting stop ring in a matching mode, and the probability disc is located between the limiting stop ring and the sliding sleeve.
Preferably, the support comprises an upper frame plate, an adjustable strut, a lower frame plate, an extraction box and a box cover; the upper frame plate is connected to the lower frame plate through an adjustable strut, the lower frame plate is connected to the extraction box, the top of the extraction box is provided with a throwing port, and a box cover is arranged at the throwing port; the box cover is provided with an extraction opening.
Preferably, the adjustable support comprises a screwing screw, a lifting cross rod, a sliding vertical shaft and a fixed sleeve; the middle part of the screwing screw rod rotating on the lower frame plate is in threaded fit with a lifting cross rod, the lifting cross rod is connected with a sliding vertical shaft, one end of the sliding vertical shaft slides in the fixed sleeve, and the other end of the sliding vertical shaft is fixed on the upper frame plate.
Preferably, a tensioning spring is arranged in the fixed sleeve and is attached to the bottom surface of the sliding vertical shaft.
Preferably, the rear side of the extraction box is provided with a T-shaped slide way, a T-shaped slide rod is in sliding fit in the T-shaped slide way, and the bottom surface of the T-shaped slide rod is coplanar with the bottom surface of the extraction box.
Preferably, the side surface of the T-shaped sliding rod is provided with a groove-shaped slideway, and a limit screw in threaded fit with the extraction box slides in the groove-shaped slideway.
Preferably, a hand holding hole transversely penetrating through the T-shaped sliding rod is formed in the T-shaped sliding rod.
The utility model has the beneficial effects that: the detachable combined teaching aid can be used for probability teaching, and a probability disc can be detached to be used as a circle drawing teaching aid, so that the detachable combined teaching aid is rich in functions and high in practicability; the support capable of adjusting the height is adopted, so that the probability disc can be conveniently adjusted to the optimal display position, and better teaching work can be conveniently carried out; the probability disc for probability teaching is arranged inside the device, the extracting box for probability teaching is further arranged inside the device, probability teaching tests can be carried out through different methods, and teaching effects are improved.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention or related technologies, the drawings used in the description of the embodiments or related technologies will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a first general schematic diagram provided in accordance with an embodiment of the present invention;
FIG. 2 is a second overall view provided in accordance with an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a probability disk according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a detachable pointer provided in an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a bracket according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of an adjustable support according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a T-shaped sliding bar according to an embodiment of the present invention.
Icon: a probability disc 1; an inner ring body 11; a connecting rod 12; an outer ring body 13; a detachable pointer 2; a pointer body 21; a sliding sleeve 22; a locking screw 23; supporting a transverse shaft 3; a bracket 4; an upper frame plate 41; an adjustable support 42; the screw-threaded rod 42 a; the lifting crossbar 42 b; the sliding vertical shaft 42 c; the fixing sleeve 42 d; a tension spring 42 e; a lower frame plate 43; an extraction cassette 44; a box cover 45; a T-shaped slide bar 46; the screw 47 is limited.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all 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 application.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of a plurality of or a plurality of is two or more unless specifically limited otherwise.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for understanding and reading the contents disclosed in the specification, and are not used for limiting the conditions that the present application can implement, so the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the technical content disclosed in the present application without affecting the efficacy and the achievable purpose of the present application. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present application, and changes or modifications in the relative relationship may be made without substantial technical changes.
The utility model is described in further detail below with reference to figures 1-7.
As shown in fig. 1-7, a detachable combined teaching aid comprises a probability disc 1, a detachable pointer 2, a bearing transverse shaft 3 and a bracket 4; the detachable pointer 2 includes a pointer body 21, a sliding sleeve 22, and a locking screw 23; the pointer body 21 is fixed on a sliding sleeve 22, the sliding sleeve 22 slides on the bearing transverse shaft 3, a locking screw 23 is in threaded fit with the sliding sleeve 22, and the locking screw 23 is inserted into a locking jack of the bearing transverse shaft 3; the bearing horizontal shaft 3 is fixed on the support 4, the probability disc 1 rotates on the bearing horizontal shaft 3, and the probability disc 1 is positioned between the sliding sleeve 22 and the support 4.
The utility model discloses a detachable combined teaching aid, which is in a conventional state as shown in figures 1 and 2, can be integrally used as a probability teaching aid, different marking patterns can be adhered to a probability disc 1, the probability disc 1 can be rotated for multiple times to rotate around the axis of the probability disc 1 on a supporting transverse shaft 3, and the position of the needle point of a detachable pointer 2 pointing to the probability disc 1 after the probability disc 1 stops rotating for multiple times is recorded, so that probability calculation is performed, the detachable combined teaching aid not only can be used as the probability teaching aid, but also can be detached from the probability disc 1 to be used as a teaching aid for drawing circles, the probability disc 1 is quite convenient to detach, after a locking screw 23 is rotated to control the detachable pointer to be detached from a locking jack of the supporting transverse shaft 3, a sliding sleeve 22 can be controlled to be detached from the supporting transverse shaft 3, the sliding sleeve 22 is detached from the blocking limit of the probability disc 1 at the moment, the probability disc 1 can be detached from the supporting transverse shaft 3 to be used as a teaching aid for drawing circles, the functions are rich, and the practicability is strong.
The probability disc 1 comprises an inner ring body 11, a connecting rod 12 and an outer ring body 13; the inner ring body 11 rotates on the supporting transverse shaft 3, and the inner ring body 11 and the outer ring body 13 are fixed through a plurality of connecting rods 12 which are uniformly arranged in a surrounding manner; the outer side surface of the outer ring body 13 is provided with a circular scale, and the tip of the pointer body 21 is arranged toward the circular scale. The thickness of connecting rod 12 is less than the thickness of interior ring 11 and outer ring 13, and the lateral surface of connecting rod 12 and the lateral surface coplane of interior ring 11 and outer ring 13, holds connecting rod 12 and controls when being convenient for probability disc 1 uses as the drawing teaching aid, improves the convenience of its use.
The number of the connecting rods 12 is six, so that the stability of the connecting rods is improved, and the probability disc 1 is more convenient to operate and control.
Bearing cross axle 3 goes up the cooperation and connects spacing fender ring, and probability disc 1 is located between spacing fender ring and the sliding sleeve 22 to block spacing to probability disc 1, make it can not take place to rock around by a relatively large margin, accuracy when being favorable to improving the probability test.
The bracket 4 comprises an upper frame plate 41, an adjustable strut 42, a lower frame plate 43, an extraction box 44 and a box cover 45; the upper frame plate 41 is connected on the lower frame plate 43 through an adjustable strut 42, the lower frame plate 43 is connected on the extraction box 44, the top of the extraction box 44 is provided with a feeding port, and the feeding port is provided with a box cover 45; the box cover 45 is provided with an extraction opening. The probability disc 1 for probability teaching and the extraction box 44 for probability teaching are arranged in the device, so that probability teaching can be carried out by different methods, and the teaching effect is improved; the use of adjustable supports 42, which allow for height adjustment, facilitates adjustment of the probability disc 1 to the optimal display position for better teaching.
The adjustable support column 42 comprises a screwing screw rod 42a, a lifting cross rod 42b, a sliding vertical shaft 42c and a fixed sleeve 42 d; the middle portion of the screw 42a rotated on the lower frame plate 43 is screw-engaged with the lifting cross bar 42b, the lifting cross bar 42b is connected with a sliding vertical shaft 42c having one end sliding in the fixed sleeve 42d, and the other end of the sliding vertical shaft 42c is fixed on the upper frame plate 41. When the adjustable support 42 is adjusted, the screwing screw 42a is rotated to change the contact position of the adjustable support and the lifting cross rod 42b, so that the lifting cross rod 42b drives the sliding vertical shaft 42c to perform vertical sliding movement in the fixed sleeve 42d, the height adjustment of the adjustable support 42 is completed, and finally the probability disc 1 is adjusted to the optimal display position.
A tension spring 42e is installed in the fixed sleeve 42d, and the tension spring 42e is attached to the bottom surface of the sliding vertical shaft 42c, thereby improving the stability of the sliding vertical shaft 42c after sliding in the fixed sleeve 42 d.
The rear side of the extraction box 44 is provided with a T-shaped slide way, the T-shaped slide way is in sliding fit with the T-shaped slide rod 46, the bottom surface of the T-shaped slide rod 46 is coplanar with the bottom surface of the extraction box 44, when the extraction box is used, the T-shaped slide rod 46 slides outwards, so that the probability teaching device can be more stably supported, and the stability during probability teaching is improved; the T-shaped sliding rod 46 can be drawn out from the T-shaped slideway and used as a ruler for drawing a straight line, so that the practicability of the utility model is improved.
The side of the T-shaped sliding rod 46 is provided with a groove-shaped slideway, and a limit screw 47 which is in threaded fit with the extraction box 44 slides in the groove-shaped slideway. In a conventional state, the limiting screw 47 can limit the T-shaped sliding rod 46 to prevent the T-shaped sliding rod from being separated from the T-shaped slideway of the extraction box 44; when the T-shaped sliding rod 46 needs to be detached for use, the limiting screw 47 is rotated to be separated from the groove-shaped slideway, and the limiting of the T-shaped sliding rod 46 is released
The T-shaped sliding rod 46 is provided with a hand-holding hole which transversely penetrates through the T-shaped sliding rod 46, so that the use convenience of the ruler for drawing straight lines is improved.
The principle is as follows: the utility model discloses a detachable combined teaching aid, which is in a conventional state as shown in figures 1 and 2, can be integrally used as a probability teaching aid, different marking patterns can be adhered to a probability disc 1, the probability disc 1 can be rotated for multiple times to rotate around the axis of the probability disc 1 on a supporting transverse shaft 3, and the position of the needle point of a detachable pointer 2 pointing to the probability disc 1 after the probability disc 1 stops rotating for multiple times is recorded, so that probability calculation is performed, the detachable combined teaching aid not only can be used as the probability teaching aid, but also can be detached from the probability disc 1 to be used as a teaching aid for drawing circles, the probability disc 1 is quite convenient to detach, after a locking screw 23 is rotated to control the detachable pointer to be detached from a locking jack of the supporting transverse shaft 3, a sliding sleeve 22 can be controlled to be detached from the supporting transverse shaft 3, the sliding sleeve 22 is detached from the blocking limit of the probability disc 1 at the moment, the probability disc 1 can be detached from the supporting transverse shaft 3 to be used as a teaching aid for drawing circles, the functions are rich, and the practicability is strong.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. The utility model provides a can dismantle combination teaching aid which characterized in that: comprises a probability disc (1), a detachable pointer (2), a bearing transverse shaft (3) and a bracket (4); the detachable pointer (2) comprises a pointer body (21), a sliding sleeve (22) and a locking screw rod (23); the pointer body (21) is fixed on a sliding sleeve (22), the sliding sleeve (22) slides on the bearing transverse shaft (3), the sliding sleeve (22) is in threaded fit with a locking screw rod (23), and the locking screw rod (23) is inserted into a locking jack of the bearing transverse shaft (3); the bearing transverse shaft (3) is fixed on the support (4), the probability disc (1) rotates on the bearing transverse shaft (3), and the probability disc (1) is located between the sliding sleeve (22) and the support (4).
2. A removable combination teaching aid according to claim 1, wherein: the probability disc (1) comprises an inner ring body (11), a connecting rod (12) and an outer ring body (13); the inner ring body (11) rotates on the bearing transverse shaft (3), and the inner ring body (11) and the outer ring body (13) are fixed through a plurality of connecting rods (12) which are uniformly arranged in a surrounding manner; the outer side surface of the outer ring body (13) is provided with a circular dial, and the tip of the pointer body (21) faces the circular dial.
3. A removable combination teaching aid according to claim 2, wherein: the number of the connecting rods (12) is six.
4. A removable combination teaching aid according to claim 1, wherein: the bearing transverse shaft (3) is connected with a limiting stop ring in a matching mode, and the probability disc (1) is located between the limiting stop ring and the sliding sleeve (22).
5. A removable combination teaching aid according to claim 1, wherein: the support (4) comprises an upper frame plate (41), an adjustable support column (42), a lower frame plate (43), an extraction box (44) and a box cover (45); the upper frame plate (41) is connected to the lower frame plate (43) through an adjustable strut (42), the lower frame plate (43) is connected to the extraction box (44), the top of the extraction box (44) is provided with a feeding opening, and the feeding opening is provided with a box cover (45); the box cover (45) is provided with an extraction opening.
6. A removable combination teaching aid according to claim 5, wherein: the adjustable support (42) comprises a screwing screw rod (42a), a lifting cross rod (42b), a sliding vertical shaft (42c) and a fixed sleeve (42 d); the middle part of a screwing screw rod (42a) which rotates on the lower frame plate (43) is in threaded fit with a lifting cross rod (42b), the lifting cross rod (42b) is connected with a sliding vertical shaft (42c) one end of which slides in a fixed sleeve (42d), and the other end of the sliding vertical shaft (42c) is fixed on the upper frame plate (41).
7. A removable combination teaching aid according to claim 6, wherein: and a tension spring (42e) is arranged in the fixed sleeve (42d), and the tension spring (42e) is attached to the bottom surface of the sliding vertical shaft (42 c).
8. A removable combination teaching aid according to claim 5, wherein: the rear side of the extraction box (44) is provided with a T-shaped slide way, the T-shaped slide way is in sliding fit with a T-shaped slide rod (46), and the bottom surface of the T-shaped slide rod (46) is coplanar with the bottom surface of the extraction box (44).
9. A removable combination teaching aid according to claim 8, wherein: the side surface of the T-shaped sliding rod (46) is provided with a groove-shaped slideway, and a limit screw (47) which is in threaded fit with the extraction box (44) slides in the groove-shaped slideway.
10. A removable combination teaching aid according to claim 8 or 9, wherein: and a hand-holding hole transversely penetrating through the T-shaped sliding rod (46) is formed in the T-shaped sliding rod (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122202359.5U CN215954597U (en) | 2021-09-13 | 2021-09-13 | Detachable combined teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122202359.5U CN215954597U (en) | 2021-09-13 | 2021-09-13 | Detachable combined teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215954597U true CN215954597U (en) | 2022-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122202359.5U Active CN215954597U (en) | 2021-09-13 | 2021-09-13 | Detachable combined teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215954597U (en) |
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2021
- 2021-09-13 CN CN202122202359.5U patent/CN215954597U/en active Active
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