CN207818017U

CN207818017U - A kind of primary school's Abacus for calculation structure

Info

Publication number: CN207818017U
Application number: CN201721361446.2U
Authority: CN
Inventors: 史海霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-10-23
Filing date: 2017-10-23
Publication date: 2018-09-04
Anticipated expiration: 2027-10-23

Abstract

The utility model discloses a kind of primary school's Abacus for calculation structures, including a frame, the inner transverse of the frame is provided with a cross bar, upper pearl zone of action is formed in the top of the cross bar, the pearl zone of action in the case where the lower section of the cross bar is formed, it is vertically provided with guide rod in the inside of the frame, a upper pearl is arranged on the shaft of the guide rod, five lower pearls are arranged on the shaft of the guide rod, in the upper of the upper pearl, the tagger of annular is both provided at the position of lower face, in the inside of the frame, positioned at the upper of the upper pearl zone of action, downside is both provided with rubber magnet at position, the first tagger of annular is embedded at the top of the lower pearl, it is embedded with the first rubber magnet in the bottom of the lower pearl, the second rubber magnet for coordinating first tagger is provided in the bottom position of the cross bar；The present apparatus can carry out rechoning by the abacus demonstration with vertical display, instant noodles to student, and demonstration is more clear.

Description

A kind of primary school's Abacus for calculation structure

Technical field

The utility model is related to a kind of primary school's Abacus for calculation structures.

Background technology

During primary school gives lessons, rechoning by the abacus is an auxiliary discipline, and rechoning by the abacus needs teacher to be demonstrated by abacus, still Abacus in the prior art can not accurately position pearl, therefore in demonstration, can not preferably show and drill in presentation process Calculation process.

Based on the above issues, it is desirable to provide one kind can be with vertical display, and instant noodles carry out rechoning by the abacus demonstration to student, demonstration compared with For clear primary school's Abacus for calculation structure.

Utility model content

The technical problem to be solved by the utility model is to provide one kind carrying out pearl to student with vertical display, instant noodles Demonstration is calculated, more clear primary school's Abacus for calculation structure is demonstrated.

The utility model is achieved through the following technical solutions：

A kind of primary school's Abacus for calculation structure, including a frame are provided with a cross bar, in institute in the inner transverse of the frame The top for stating cross bar forms pearl zone of action, the pearl zone of action in the case where the lower section of the cross bar is formed, in the frame Portion is vertically provided with guide rod, and the guide rod extends vertically through the cross bar, is provided at the front end face of the cross bar and fixes this and lead The screw of bar is arranged with a upper pearl on the shaft of the guide rod, and the upper pearl is located in upper pearl zone of action, described Five lower pearls are arranged on the shaft of guide rod, the lower pearl is located in the lower pearl zone of action, in the upper and lower end of the upper pearl The tagger of annular is both provided at the position of face, in the inside of the frame, the upper and lower side positioned at the upper pearl zone of action It is both provided with rubber magnet at position, the tagger coordinates the rubber magnet, and the of annular is embedded at the top of the lower pearl One tagger is embedded with the first rubber magnet for coordinating first tagger in the bottom of the lower pearl, in the cross bar Bottom position is provided with the second rubber magnet for coordinating first tagger, and the outer symmetrical of the frame is provided with two A set portion is combined with strut by the set portion, has the first screw of the fixed strut, institute at the outer wall in the set portion It is arranged downward after stating that one end bending of the strut far from the set portion, that one end fits of the strut far from the set portion have one Pedestal, the top of the pedestal have the first set portion for assigning the strut, coordinate between the first set portion and the strut There is the second screw.

Preferably, the interior bottom position of the frame is provided with beam, and the beam is rubber material.

Preferably, there are two shift plate structures, two shift plate structures to be divided into for cooperation between the both sides of the frame At the upper and lower side position of the cross bar, the shift plate structure includes two sliding blocks, and two pieces are combined between two sliding blocks A sliding slot for passing through frame is formed after shift plate, the sliding block and shift plate cooperation, one is formed between two pieces of shift plates Stir the allocating slot of pearl, lower pearl.

Preferably, extension block is all had at two side positions of the frame, at the upper and lower surface location of the extension block It is both provided with third rubber magnet, the sliding block corresponds to gluing on that one side of the extension block and is fixed with the second tagger, when When second tagger and the third rubber magnetic suck are fixed, the top shift plate resists the top of cross bar, described in lower section Shift plate resists the bottom of the cross bar, and when the shift plate structure described in the top is moved upward to extreme position, pearl answers in realization The reset of lower pearl when the shift plate structure is moved downward to extreme position when lower section, is realized in position.

Preferably, the upper pearl and the lower pearl are PVC plastic material.

Preferably, the bottom of the pedestal is provided with anti-skidding rubber cushion, and the rubber cushion is rubber material.

Upper pearl is identical with the structure of lower pearl in the present apparatus, and the both ends of upper pearl and lower pearl are all made of tapering transition, two pieces of shift plates Between be formed by the groove width of allocating slot and be less than the maximum gauge of upper pearl and lower pearl, the groove width of allocating slot is formed by between two pieces of shift plates More than the minimum diameter of upper pearl and lower pearl.

The present apparatus operationally pearl when, can be by thin set by upper pearl upper and lower no matter upper pearl moves up or moves down It is adsorbed between iron plate and rubber magnet, after absorption, the positioning of pearl in completion；Similarly, lower pearl passes through the first thin iron in activity The cooperation of piece and the first rubber magnet realizes that the absorption between adjacent lower pearl is fixed, and when convenient for frame in vertical put, shows pearl Calculate calculation process；When dialing up lower pearl, absorption is generated between the lower pearl and the second rubber magnet of the top, completes to fix.

The utility model has the beneficial effects that：The present apparatus can vertically be put, and convenient student downwards is shown, When calculating rechoning by the abacus process, vertical positioning can be achieved in upper pearl and lower pearl, is remained stationary as after positioning, it is ensured that the reliability of calculation, just In displaying, facilitate student's learning and memory, the relatively simple ability of structure of the present apparatus, cost is more cheap, is suitble to promote the use of.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, other drawings may also be obtained based on these drawings.

Fig. 1 is the front view of the utility model；

Fig. 2 is the front view of upper pearl；

Fig. 3 is the front view of lower pearl；

Fig. 4 is the vertical view of upper pearl；

Fig. 5 is the vertical view of shift plate structure.

Specific implementation mode

All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive Feature and/or step other than, can combine in any way.

This specification（Including any accessory claim, abstract and attached drawing）Disclosed in any feature, except non-specifically chatting It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only It is an example in a series of equivalent or similar characteristics.

In the description of the present invention, it should be understood that term " one end ", " other end ", " outside ", "upper", " interior The orientation or positional relationship of the instructions such as side ", "horizontal", " coaxial ", " center ", " end ", " length ", " outer end " is based on attached drawing Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indicate or imply institute The device or element of finger must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this reality With novel limitation.

In addition, in the description of the present invention, the meaning of " plurality " is at least two, such as two, three etc., unless Separately there is clearly specific restriction.

In the present invention unless specifically defined or limited otherwise, term " setting ", " connection ", " passes through at " socket " Wear ", the terms such as " grafting " 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 also be electrical connection；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

A kind of primary school's Abacus for calculation structure as shown in Figures 1 to 5, including a frame 1, it is horizontal in the inside of the frame 1 To a cross bar 2 is provided with, upper pearl zone of action is formed in the top of the cross bar 2, pearl lives in the case where the lower section of the cross bar 2 is formed Dynamic region, is vertically provided with guide rod 3, the guide rod 3 extends vertically through the cross bar 2, in the cross bar in the inside of the frame 1 The screw for fixing the guide rod 3 is provided at 2 front end face（It is not shown）, it is arranged on the shaft of the guide rod 3 on one Pearl 4, the upper pearl 4 are located in upper pearl zone of action, and five lower pearls 5, the lower pearl 5 are arranged on the shaft of the guide rod 3 In the lower pearl zone of action, the tagger 401 of annular is both provided at the upper and lower endface position of the upper pearl 4, The inside of the frame 1 is both provided with rubber magnet 111 at the upper and lower lateral location of the upper pearl zone of action, described thin Iron plate 401 coordinates the rubber magnet 111, the first tagger 501 of annular is embedded at the top of the lower pearl 5, under described The bottom of pearl 5 is embedded with the first rubber magnet 502 for coordinating first tagger 501, in the bottom position of the cross bar 2 It is provided with the second rubber magnet 221 for coordinating first tagger 501, there are two the outer symmetrical settings of the frame 1 Set portion 6 is combined with strut 7 by the set portion 6, has the first screw of the fixed strut 7 at the outer wall in the set portion 6 601, the strut 7 is arranged downward after that one end bending far from the set portion 6, that far from the set portion 6 of the strut 7 End is combined with a pedestal 8, and the top of the pedestal 8 has the first set portion 9 for assigning the strut 7, the first set portion 9 and institute It states and is combined with the second screw 901 between strut 7.

The interior bottom position of a preferred embodiment in the utility model, the frame 1 is provided with beam 121, The beam 121 is rubber material.

A preferred embodiment in the utility model, there are two shift plate structures for cooperation between the both sides of the frame 1 10, two shift plate structures 10 are divided at the upper and lower side position of the cross bar 2, and the shift plate structure 10 includes two cunnings Block 11, is combined with two pieces of shift plates 12 between two sliding blocks 11, and the sliding block 11 forms one after coordinating with the shift plate 12 Across the sliding slot 13 of frame, an allocating slot 14 for stirring upper pearl, lower pearl is formed between two pieces of shift plates 12.

A preferred embodiment in the utility model all has extension block 15, institute at two side positions of the frame 1 It states and is both provided with third rubber magnet 16 at the upper and lower surface location of extension block 15, the sliding block 11 corresponds to the extension block 15 Gluing is fixed with the second tagger 17 on that one side, when second tagger 17 and the third rubber magnet 16 absorption are fixed When, the top shift plate 12 resists the top of cross bar 2, and the lower section shift plate 12 resists the bottom of the cross bar 2, described in top When shift plate structure is moved upward to extreme position, the reset of pearl in realization, when lower section, the shift plate structure moves down extremely When at extreme position, the reset of lower pearl is realized.

A preferred embodiment in the utility model, the upper pearl 4 and the lower pearl 5 are PVC plastic material.

The bottom of a preferred embodiment in the utility model, the pedestal 8 is provided with anti-skidding rubber cushion 881, institute It is rubber material to state rubber cushion.

Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to In this, any change or replacement expected without creative work should be covered within the scope of the utility model. Therefore, the scope of protection of the utility model should be determined by the scope of protection defined in the claims.

Claims

1. a kind of primary school's Abacus for calculation structure, including a frame are provided with a cross bar, described in the inner transverse of the frame The top of cross bar forms pearl zone of action, the pearl zone of action in the case where the lower section of the cross bar is formed, in the inside of the frame It is vertically provided with guide rod, the guide rod extends vertically through the cross bar, is provided at the front end face of the cross bar and fixes the guide rod Screw, is arranged with a upper pearl on the shaft of the guide rod, and the upper pearl is located in upper pearl zone of action, is led described Five lower pearls are arranged on the shaft of bar, the lower pearl is located in the lower pearl zone of action, it is characterised in that：In the upper pearl Upper and lower endface position at be both provided with annular tagger, in the inside of the frame, positioned at the upper pearl zone of action Rubber magnet is both provided at upper and lower lateral location, the tagger coordinates the rubber magnet, is embedded at the top of the lower pearl First tagger of annular, the first rubber magnet for coordinating first tagger is embedded in the bottom of the lower pearl, in institute The bottom position for stating cross bar is provided with the second rubber magnet for coordinating first tagger, in the outer symmetrical of the frame Setting is combined with strut there are two set portion, by the set portion, has the of the fixed strut at the outer wall in the set portion One screw, the strut are arranged downward after that one end bending far from the set portion, that far from the set portion of the strut End is combined with a pedestal, and the top of the pedestal has the first set portion for assigning the strut, the first set portion and the branch The second screw is combined between bar.

2. primary school's Abacus for calculation structure according to claim 1, it is characterised in that：The interior bottom position of the frame is set It is equipped with beam, the beam is rubber material.

3. primary school's Abacus for calculation structure according to claim 1, it is characterised in that：Coordinate between the both sides of the frame There are two shift plate structure, two shift plate structures are divided at the upper and lower side position of the cross bar, and the shift plate structure includes Two sliding blocks, are combined with two pieces of shift plates between two sliding blocks, and the sliding block forms one after coordinating with the shift plate and passes through The sliding slot of frame forms an allocating slot for stirring upper pearl, lower pearl between two pieces of shift plates.

4. primary school's Abacus for calculation structure according to claim 3, it is characterised in that：It is equal at two side positions of the frame With extension block, third rubber magnet is both provided at the upper and lower surface location of the extension block, the sliding block corresponds to the extension Gluing is fixed with the second tagger on that one side of block, when second tagger and the third rubber magnetic suck are fixed When, the top shift plate resists the top of cross bar, and the lower section shift plate resists the bottom of the cross bar, the shift plate knot described in the top When structure is moved upward to extreme position, the reset of pearl in realization, when lower section, the shift plate structure is moved downward to extreme position When place, the reset of lower pearl is realized.

5. primary school's Abacus for calculation structure according to claim 1, it is characterised in that：The upper pearl and the lower pearl are PVC plastic material.

6. primary school's Abacus for calculation structure according to claim 1, it is characterised in that：The bottom of the pedestal is provided with anti-skidding Rubber cushion, the rubber cushion are rubber material.