CN210954776U

CN210954776U - Abacus

Info

Publication number: CN210954776U
Application number: CN201922202415.8U
Authority: CN
Inventors: 王艾纳; 杨蕾
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-07-07
Anticipated expiration: 2029-12-11

Abstract

The utility model discloses an abacus, including rectangular frame, abacus, slide bar, crossbeam, angle sign indicating number, rectangular frame is connected and is strengthened connecting through the angle sign indicating number by four section bar head positions and constitutes, and rectangular frame is divided into upper portion and lower part through enclosing the region with its connecting beam in the middle part of rectangular frame, is provided with a plurality of slide bars that run through the crossbeam and distribute equidistantly in the rectangular frame, corresponds two abacus beads and five abacus beads of sliding respectively on each slide bar of upper portion and lower part; round holes are formed in the positions, corresponding to the inner sides of the rectangular frames, of the two ends of each sliding rod, magnets are bonded in the round holes through glue, and through holes are formed in the center of the magnets and are used for the insertion of the end portions of the sliding rods. This practicality is through ferromagnetic material's beads and the magnet cooperation of installing in the frame for the abacus can have better presentation effect, stirs simultaneously and calculates more stably later on the bead.

Description

Abacus

Technical Field

The utility model relates to a tool, in particular to an abacus.

Background

An abacus is a form of manually operated computing aid. It originates from China, has a history of more than 2600 years so far, and is an important invention in ancient China; the abacus is easy to manufacture, cheap, easy to remember, simple and convenient to operate, so that it is used widely in China and can be continuously transferred to countries and regions such as Japan, Korea, United states and southeast Asia. Nowadays, the electronic computer age has been entered, but the ancient abacus still plays a certain role.

The existing abacus is still made by traditional parts, and the abacus can only be used horizontally, and the beads can slide in uneven places, which is not beneficial to use and observation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an abacus 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 abacus comprises a rectangular frame, beads, slide bars, a cross beam and corner connectors, wherein the rectangular frame is formed by connecting head parts of four sectional materials and reinforcing and connecting the head parts through the corner connectors, the middle part of the rectangular frame is divided into an upper part and a lower part by connecting the cross beam with the middle part, a plurality of slide bars which penetrate through the cross beam and are distributed at equal intervals are arranged in the rectangular frame, and two beads and five beads are correspondingly slid on each slide bar of the upper part and the lower part; round holes are formed in the positions, corresponding to the inner sides of the rectangular frames, of the two ends of each sliding rod, magnets are bonded in the round holes through glue, through holes are formed in the center of each magnet and are used for inserting the end portions of the sliding rods, meanwhile, round holes for mounting the magnets are also formed in the positions, corresponding to the sliding rods, of the cross beam, and the beads are made of ferromagnetic metal.

As a further aspect of the present invention: the abacus bead is composed of an external abacus bead body and a ferromagnetic metal ring embedded in the middle of the external abacus bead body, and a through hole used for being connected to the sliding rod in a sliding mode is formed in the middle of the ferromagnetic metal ring.

As a further aspect of the present invention: the back of the rectangular frame is adhered with a plurality of rubber pads.

As a further aspect of the present invention: the rectangular frame is formed by connecting two semi-rectangular frames through a hinge structure, and grooves are formed in the back faces of the two semi-rectangular frames on the opposite sides.

As a further aspect of the present invention: the hinge structure mainly comprises sliding grooves, sliding shafts, connecting rods, waist-shaped holes and locking bolts, wherein the sliding grooves coplanar with the sliding shafts are formed in the groove of one semi-rectangular frame, the sliding shafts are connected in the sliding grooves in a sliding mode, one end, facing the other semi-rectangular frame, of each sliding shaft is rotatably connected with one end of each connecting rod through a pin shaft, and the other end of each connecting rod is rotatably connected into the groove of the other semi-rectangular frame through another pin shaft; the back of the semi-rectangular frame corresponding to the sliding groove is provided with a waist-shaped hole communicated with the sliding groove, and one end of the locking bolt penetrates through the waist-shaped hole and is in threaded connection with a threaded hole formed in the sliding shaft.

Compared with the prior art, the beneficial effects of the utility model are that: this practicality is through ferromagnetic material's beads and the magnet cooperation of installing in the frame for the abacus can have better presentation effect, stirs simultaneously and calculates more stably later on the bead.

Secondly this application can also realize folding to a certain extent, portable and accomodate.

Drawings

Fig. 1 is a schematic structural diagram of an abacus.

Fig. 2 is a schematic sectional view in the direction of a-a in fig. 1.

Fig. 3 is a back structure diagram of the abacus.

Fig. 4 is a schematic side view of the abacus.

FIG. 5 is a schematic view of the folding state of the abacus.

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.

Example 1

Please refer to fig. 1-2, in an embodiment of the present invention, an abacus includes a rectangular frame 1, beads 2, slide bars 3, a cross beam 4, and corner connectors 5, where the rectangular frame 1 is formed by connecting four section bar head portions and reinforcing the connection through the corner connectors 5, the middle portion of the rectangular frame 1 is divided into an upper portion and a lower portion by connecting the cross beam 4 with the rectangular frame 1, a plurality of slide bars 3 (the number of the slide bars is preferably 13) are disposed in the rectangular frame 1 and penetrate through the cross beam 4 and are distributed equidistantly, and each slide bar 3 of the upper portion and the lower portion respectively corresponds to two beads 2 and five beads 2 to form a basic structure of the abacus.

Round holes are formed in the two ends of each sliding rod 3 corresponding to the inner side of the rectangular frame 1, magnets 6 are bonded in the round holes through glue, through holes are formed in the center of the magnets 6 and allow the end portions of the sliding rods 3 to be inserted, meanwhile, round holes for mounting the magnets 6 are also formed in the positions, corresponding to the sliding rods 3, of the cross beam 4 (through holes are formed in the middle of the magnets 6 and allow the sliding rods 3 to penetrate), the beads 2 can be made of ferromagnetic metal, so that the beads can stably stay at specific positions after being pulled, the selection of the magnets 6 and the corresponding magnetic field strength are considered at the same time, the widths of the upper portion and the lower portion can be properly increased, the magnetic field interference is reduced, and the selection of the magnets is determined according to the size of an actual abacus and is common knowledge of technicians in the field.

Furthermore, the abacus bead 2 is composed of an external abacus bead body 8 and a ferromagnetic metal ring 7 embedded in the middle of the external abacus bead body, and a through hole used for being connected to the sliding rod 3 in a sliding mode is formed in the middle of the ferromagnetic metal ring 7.

The back of the rectangular frame 1 is adhered with a plurality of rubber pads 9.

Example 2

Referring to fig. 3 to 5, the rectangular frame 1 is formed by connecting two semi-rectangular frames through a hinge structure, the back of one side of each of the two semi-rectangular frames is provided with a groove 13 for mounting the hinge structure, the hinge structure mainly comprises a sliding groove 10, a sliding shaft 11, a connecting rod 12, a waist-shaped hole 14 and a locking bolt 15, the groove 13 of one of the semi-rectangular frames is internally provided with the sliding groove 10 coplanar with the groove, the sliding groove 10 is connected with the sliding shaft 11 in a sliding manner, one end of the sliding shaft 11 facing the other semi-rectangular frame is rotatably connected with one end of the connecting rod 12 through a pin shaft, and the other end of the connecting rod 12 is rotatably connected in the groove 13 of the other semi-rectangular frame through another; waist type hole 14 rather than the intercommunication is seted up to the semi-rectangular frame back that sliding tray 10 corresponds, and waist type hole 14 and threaded connection are passed to the one end of locking bolt 15 in the threaded hole of seting up on sliding shaft 11, and locking bolt 15 is designed promptly and is rotated and loosen for the end of locking bolt 15 other end can extrude the position of fixed sliding shaft 11 and loosen the position, is convenient for adjust the use, and this structural design intensity only need satisfy normal use can, does not consider violent operation.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. An abacus comprises a rectangular frame (1), beads (2), sliding rods (3), a cross beam (4) and corner connectors (5), wherein the rectangular frame (1) is formed by connecting head parts of four sectional materials in a reinforcement mode through the corner connectors (5), the middle part of the rectangular frame (1) is divided into an upper part and a lower part by being connected with the cross beam (4) to enclose a region of the rectangular frame (1), a plurality of sliding rods (3) which penetrate through the cross beam (4) and are distributed at equal intervals are arranged in the rectangular frame (1), two beads (2) and five beads (2) are correspondingly slid on each sliding rod (3) of the upper part and the lower part respectively, the abacus is characterized in that round holes are formed in the two ends of each sliding rod (3) corresponding to the positions on the inner side of the rectangular frame (1) and are bonded with magnets (6) through glue, a through hole is formed in the center part of each magnet (6) and is used for the end, meanwhile, round holes for mounting magnets (6) are also formed in positions, corresponding to the sliding rods (3), on the cross beam (4), and the beads (2) are made of ferromagnetic metal.

2. The abacus of claim 1 wherein the beads (2) are comprised of an outer bead body (8) and a ferromagnetic metal ring (7) embedded in the middle of the outer bead body, the ferromagnetic metal ring (7) having a through hole in the middle for sliding connection to the slide bar (3).

3. The abacus of claim 1 wherein several rubber pads (9) are glued to the back of the rectangular frame (1).

4. The abacus of claim 1 wherein the rectangular frame (1) is formed by two semi-rectangular frames connected by a hinge structure, the back of the opposite side of the two semi-rectangular frames being recessed (13).

5. The abacus according to claim 4, wherein the hinge structure mainly comprises a sliding groove (10), a sliding shaft (11), a connecting rod (12), a kidney-shaped hole (14) and a locking bolt (15), wherein the sliding groove (10) coplanar with the sliding shaft is arranged in the groove (13) of one semi-rectangular frame, the sliding groove (10) is connected with the sliding shaft (11) in a sliding way, one end of the sliding shaft (11) facing to the other semi-rectangular frame is rotatably connected with one end of the connecting rod (12) through a pin shaft, and the other end of the connecting rod (12) is rotatably connected in the groove (13) of the other semi-rectangular frame through another pin shaft; the back of the semi-rectangular frame corresponding to the sliding groove (10) is provided with a waist-shaped hole (14) communicated with the sliding groove, and one end of a locking bolt (15) penetrates through the waist-shaped hole (14) and is in threaded connection with a threaded hole formed in the sliding shaft (11).