CN209312270U

CN209312270U - A kind of primary school math teaching abacus demonstration device

Info

Publication number: CN209312270U
Application number: CN201821799633.3U
Authority: CN
Inventors: 张丽霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-02
Filing date: 2018-11-02
Publication date: 2019-08-27
Anticipated expiration: 2028-11-02

Abstract

The utility model discloses a kind of primary school math teaching abacus demonstration devices, it is related to rechoning by the abacus performance technology field, specially a kind of primary school math teaching abacus demonstration device, including abacus, abacus axis and cabinet, the surface of the abacus axis offers abacus axle thread, and the surface of the abacus axis is threaded with bead, and the inside of the bead offers bead screw thread, one end of the abacus is connected with sucker, and the surface activity of the abacus is connected with shaft.The primary school math teaching abacus demonstration device, pass through the setting of abacus axle thread and bead screw thread, bead is moved up and down by rotating bead when use, prevent abacus erect come or moving shifts bead, it is connected through a screw thread bead and abacus axis, bead is made to move up and down slowly, is more convenient pupil's memory and study, it by the setting of sucker, be adsorbed onto the primary school math teaching abacus demonstration device can also on wall or on blackboard.

Description

A kind of primary school math teaching abacus demonstration device

Technical field

The utility model relates to rechoning by the abacus performance technology field, specially a kind of primary school math teaching abacus demonstration device.

Background technique

Abacus is gradually evolved by calculating of just generally having used early in the The Spring and Autumn Period, and is the important of Ancient Times in China The calculating process of rechoning by the abacus is demonstrated in invention at present, using magnetoelectricity control program, i.e., by controlling the energization of each bead, power-off and pole Property achieve the purpose that bead or more is run, to complete its demo function, but the program still has many immature places, first is that magnetic Power size and scope control are relatively difficult, and bead operation is unstable, and it is larger to implement technical difficulty, second is that using there is line traffic control Mode processed, whole system route is sufficiently complex and extremely difficult maintenance, cumbersome, inconvenient to use.

Such as the abacus demonstration device disclosed in Chinese patent CN201364665, the abacus demonstration device, although using Mature control, communication and transmission, special structure in the technologies such as conduction and bead improve the stability of operation and reliable Property, still, which haves the shortcomings that practicability is not high.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of primary school math teaching abacus demonstration device, solution It has determined the problems mentioned above in the background art.

(2) technical solution

In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of primary school math teaching use Abacus demonstration device, including abacus, abacus axis and cabinet, the surface of the abacus axis offer abacus axle thread, the abacus The surface of axis is threaded with bead, and the inside of the bead offers bead screw thread, and one end of the abacus is connected with Sucker, the surface activity of the abacus are connected with shaft, and the surface activity of the shaft is connected with main support rod, the main support One end of bar is connected with rotating block, and one end of the rotating block is connected with time support rod, and the one of the secondary support rod End is plugged with connecting shaft, and the surface of the connecting shaft is plugged with from support rod, described to be plugged with fixator from one end of support rod, The surface of the fixator is plugged with telescopic rod, and the surface of the telescopic rod is plugged with main body bar, and one end of the main body bar is living Dynamic to be connected with adjusting nut, one end of the main body bar is connected with rot, and one end of the rot is connected with Fixing clamp, one end of the cabinet are fixedly connected with buckle, and the tank surface is fixedly connected with handle close to one end of buckle, The other end of the cabinet is fixedly connected with hinge, and the internal activity of the cabinet is connected with foam-rubber cushion.

Optionally, one end of the cabinet is fixedly connected with buckle, and the tank surface is close to the fixed company in one end of buckle It is connected to handle.

Optionally, the other end of the cabinet is fixedly connected with hinge, and the internal activity of the cabinet is connected with foam-rubber cushion.

Optionally, the tank surface is fixedly connected with snap ring far from one end of hinge, and the quantity of the sucker is two.

Optionally, the surface of the foam-rubber cushion offers counting frame groove, and the quantity of the handle is two.

Optionally, the foam-rubber cushion surface offers support rod slot close to one end of counting frame groove, and the quantity of the hinge is Two.

(3) beneficial effect

The utility model provides a kind of primary school math teaching abacus demonstration device, have it is following the utility model has the advantages that

1, primary school math teaching abacus demonstration device, by the setting of abacus axle thread and bead screw thread, when use By rotate bead move up and down bead, prevent abacus erect come or moving shifts bead, be connected through a screw thread bead With abacus axis, bead is made to move up and down slowly, is more convenient pupil's memory and study, by the setting of sucker, makes primary school's number Learning teaching abacus demonstration device can also be adsorbed on wall or on blackboard.

2, the primary school math teaching abacus demonstration device passes through shaft, main support rod, rotating block, secondary support rod, connection Axis, from the setting of support rod, fixator, telescopic rod, main body bar, adjusting nut and rot, make the device be free to stretch It grows and has been rotated up to effect easy to use, solve existing device situation complicated for operation, pass through fixed frame Setting, convenient to be fixed on desk, user does not need to be held with hand, alleviates the burden of user, by cabinet, handle, The setting of buckle and snap ring, is put into the device in cabinet, plays the effect being convenient for carrying.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model backsight structural representation；

Fig. 3 is the utility model box structure diagram；

Fig. 4 is the structural representation of the utility model bead.

In figure: 1- abacus, 2- abacus axis, 3- cabinet, 4- abacus axle thread, 5- bead, 6- bead screw thread, 7- sucker, 8- Shaft, 9- main support rod, 10- rotating block, 11- support rod, 12- connecting shaft, 13- are flexible from support rod, 14- fixator, 15- Bar, 16- main body bar, 17- adjusting nut, 18- rot, 19- fixing clamp, 20- buckle, 21- handle, 22- hinge, 23- sponge Pad, 24- counting frame groove, 25- support rod slot, 26- snap ring.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

Please refer to Fig.1 to Fig.3, the utility model provides a kind of technical solution: a kind of primary school math teaching is demonstrated with rechoning by the abacus Device, including abacus 1, abacus axis 2 and cabinet 3, the surface of abacus axis 2 offer abacus axle thread 4, the surface spiral shell of abacus axis 2 Line is connected with bead 5, and the inside of bead 5 offers bead screw thread 6, and one end of abacus 1 is connected with sucker 7, the table of abacus 1 Face is connected with shaft 8, and the surface activity of shaft 8 is connected with main support rod 9, and one end of main support rod 9, which is connected with, to be turned Motion block 10, one end of rotating block 10 are connected with time support rod 11, and one end of secondary support rod 11 is plugged with connecting shaft 12, connect The surface of axis 12 is plugged with from support rod 13, is plugged with fixator 14, the surface grafting of fixator 14 from one end of support rod 13 There is telescopic rod 15, the surface of telescopic rod 15 is plugged with main body bar 16, and one end of main body bar 16 is connected with adjusting nut 17, main One end of body rod 16 is connected with rot 18, and one end of rot 18 is connected with fixing clamp 19, and one end of cabinet 3 is solid Surely it is connected with buckle 20,3 surface of cabinet is fixedly connected with handle 21 close to one end of buckle 20, and the other end of cabinet 3 is fixed to be connected It is connected to hinge 22, the internal activity of cabinet 3 is connected with foam-rubber cushion 23, and 3 surface of cabinet is fixedly connected with far from one end of hinge 22 Snap ring 26, the quantity of sucker 7 are two, and the quantity of hinge is two, and the quantity of handle 21 is two, and the surface of foam-rubber cushion 23 is opened Equipped with counting frame groove 24,23 surface of foam-rubber cushion offers support rod slot 25 close to one end of counting frame groove 24, passes through setting for foam-rubber cushion 23 It sets, being put into the device in chest prevents concussion from damaging to device.

Optimal technical scheme as the utility model: the quantity of buckle 20 and snap ring 26 is two.

In conclusion the primary school math teaching abacus demonstration device, in use, passing through abacus axle thread 4 and bead spiral shell The setting of line 6 moves up and down bead 5 by rotating bead 5 when use, prevents abacus 1 from erecting and comes or move to move bead 5 Position, is connected through a screw thread bead 5 and abacus axis 2, and bead 5 is made to move up and down slowly, is more convenient pupil's memory and study, passes through The setting of sucker 7 be adsorbed onto the primary school math teaching abacus demonstration device can also on wall or on blackboard, pass through shaft 8, main support rod 9, rotating block 10, secondary support rod 11, connecting shaft 12, from support rod 13, fixator 14, telescopic rod 15, main body bar 16, the setting of adjusting nut 17 and rot 18, make the device be free to extend and be rotated up to it is easy to use Effect, solve existing device situation complicated for operation, it is convenient to be fixed on desk by the setting of fixed frame 19, make User does not need to be held with hand, alleviates the burden of user, by cabinet 3, handle 21, buckle 20 and snap ring 26 setting, It is put into the device in cabinet, plays the effect being convenient for carrying.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System.

In the present invention unless specifically defined or limited otherwise, term " setting ", " connected ", " connects " installation " Connect ", the terms such as " fixation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral； It can be mechanical connection, can be directly connected, can also can be inside two elements indirectly connected through an intermediary The interaction relationship of connection or two elements.For the ordinary skill in the art, it can manage as the case may be Solve the concrete meaning of above-mentioned term in the present invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

It should be noted that in the present invention unless specifically defined or limited otherwise, fisrt feature is in the second spy It can be that the first and second features directly contact or the first and second features are connect indirectly by intermediary "above" or "below" sign Touching.Moreover, fisrt feature can be above the second feature " above ", " above " and " above " fisrt feature right above second feature or Oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature second feature " under ", " lower section " " following " can be fisrt feature and be directly under or diagonally below the second feature, or is merely representative of first feature horizontal height and is less than Second feature.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims

1. a kind of primary school math teaching abacus demonstration device, including abacus (1), abacus axis (2) and cabinet (3), feature exists In: the surface of the abacus axis (2) offers abacus axle thread (4), and the surface of the abacus axis (2) is threaded with bead (5), the inside of the bead (5) offers bead screw thread (6), and one end of the abacus (1) is connected with sucker (7), institute The surface activity for stating abacus (1) is connected with shaft (8), and the surface activity of the shaft (8) is connected with main support rod (9), described One end of main support rod (9) is connected with rotating block (10), and one end of the rotating block (10) is connected with time support rod (11), one end of the secondary support rod (11) is plugged with connecting shaft (12), and the surface of the connecting shaft (12) is plugged with from support Bar (13), described one end from support rod (13) are plugged with fixator (14), and the surface of the fixator (14) is plugged with flexible The surface of bar (15), the telescopic rod (15) is plugged with main body bar (16), and one end of the main body bar (16) is connected with tune It saves nut (17), one end of the main body bar (16) is connected with rot (18), one end activity of the rot (18) It is connected with fixing clamp (19).

2. a kind of primary school math teaching abacus demonstration device according to claim 1, it is characterised in that: the cabinet (3) one end is fixedly connected with buckle (20), and cabinet (3) surface is fixedly connected with handle close to one end of buckle (20) (21)。

3. a kind of primary school math teaching abacus demonstration device according to claim 1, it is characterised in that: the cabinet (3) the other end is fixedly connected with hinge (22), and the internal activity of the cabinet (3) is connected with foam-rubber cushion (23).

4. a kind of primary school math teaching abacus demonstration device according to claim 1, it is characterised in that: the cabinet (3) surface is fixedly connected with snap ring (26) far from one end of hinge (22), and the quantity of the sucker (7) is two.

5. a kind of primary school math teaching abacus demonstration device according to claim 3, it is characterised in that: the foam-rubber cushion (23) surface offers counting frame groove (24), and the quantity of the handle (21) is two.

6. a kind of primary school math teaching abacus demonstration device according to claim 3, it is characterised in that: the foam-rubber cushion (23) surface offers support rod slot (25) close to one end of counting frame groove (24), and the quantity of the hinge is two.