CN213241146U

CN213241146U - Special calculator for economics

Info

Publication number: CN213241146U
Application number: CN202022481260.9U
Authority: CN
Inventors: 张枫; 郝尉君; 甄继霞
Original assignee: Inner Mongolia Technical College of Mechanics and Electrics
Current assignee: Inner Mongolia Technical College of Mechanics and Electrics
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-05-18
Anticipated expiration: 2030-10-30

Abstract

The utility model belongs to the technical field of calculators, in particular to a special calculator for economics, which aims at solving the problems of inconvenient carrying and incapability of storage in the prior art and provides a proposal that the calculator comprises a U-shaped base and a cover plate, wherein a calculator body is slidably arranged on the U-shaped base, two cylinders are fixedly arranged on the U-shaped base, a hollow gear is fixedly arranged on the U-shaped base, a roller is fixedly arranged on the cover plate, the hollow gear and the two cylinders are both rotationally connected with the roller, a first belt wheel is fixedly arranged on the roller, a second belt wheel is rotationally arranged on one side of the U-shaped base, the first belt wheel and the second belt wheel are meshed with the same conveying belt, the conveying belt and the calculator body are fixedly connected, and a mounting hole is arranged on the cover plate, simple use and convenient operation.

Description

Special calculator for economics

Technical Field

The utility model relates to a calculator technical field especially relates to a special calculator of economics.

Background

The modern electronic calculator can carry out mathematical operation hand-held electronic machine, possess the integrated circuit chip, but the structure is much simpler than the computer, can be said to be the electronic computer (computer) of the first generation, and the function is also weaker, but comparatively convenient and cheap, can apply to the commercial transaction extensively, it is one of the necessary office supplies, except revealing the calculated result, often overflow indication, error indication, etc. are a very good tool of modern economic calculation.

The prior art does not protect keys, can be damaged by rubbing with other objects when being carried, needs to use small tools such as pens, cannot be carried together, and sometimes can be lost, so that an economics special calculator is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of inconvenient carrying and incapability of storing existing in the prior art and providing a special calculator for economics.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a calculator special for economics comprises a U-shaped base and a cover plate, wherein a calculator body is slidably mounted on the U-shaped base, two cylinders are fixedly mounted on the U-shaped base, a hollow gear is fixedly mounted on the U-shaped base, a roller is fixedly mounted on the cover plate, the hollow gear and the two cylinders are both rotatably connected with the roller, a first belt wheel is fixedly mounted on the roller, a second belt wheel is rotatably mounted on one side of the U-shaped base, the same conveying belt is meshed with the first belt wheel and the second belt wheel, the conveying belt is fixedly connected with the calculator body, a mounting hole is formed in the cover plate, a first gear is rotatably mounted on the inner wall of one side of the mounting hole, the hollow gear and the first gear are mutually meshed, a first rotating rod is fixedly mounted on the first gear, a first bevel gear is fixedly mounted on the first rotating rod, the bevel gear mechanism is characterized in that a second bevel gear is meshed with the first bevel gear, a second rotating rod is fixedly mounted on the second bevel gear, a third bevel gear is fixedly mounted on the second rotating rod, a fourth bevel gear is meshed with the third bevel gear, a third rotating rod is fixedly mounted on the fourth bevel gear, a second gear is fixedly mounted on the third rotating rod, and a rack is meshed with the second gear.

Preferably, the calculator body is provided with a key, the calculator body is provided with a display screen, the hollow gear is provided with a sliding groove, and the sliding groove is in sliding connection with the rolling shaft.

Preferably, the top of the cover plate is provided with a plurality of mounting clamps, a second bearing is fixedly mounted on the inner wall of one side of the mounting hole, and the inner ring of the second bearing is fixedly connected with the outer side of the second rotating rod.

Preferably, a sliding rail is arranged on the inner wall of one side of the mounting hole and is in sliding connection with the rack.

Preferably, a first bearing is fixedly mounted on the inner wall of one side of the mounting hole, and an inner ring of the first bearing is fixedly connected with the outer side of the first rotating rod.

Compared with the prior art, the utility model has the advantages of:

1. this scheme can be through opening the apron when using, and then drive the roller bearing and rotate, and then drive first band pulley and rotate, and under the cooperation of second band pulley, the rotation of first band pulley, and then drive the conveyer belt transmission, and then drive the calculator body and rise, facilitate the use.

2. This scheme is when using, can be through opening the apron, and then drive the roller bearing and rotate, under hollow gear's cooperation, the roller bearing rotates, and then drive first gear revolve, and then drive first bull stick and rotate, and then drive first bevel gear and rotate, and then drive second bull stick and rotate, and then drive third bevel gear and rotate, and then drive fourth bevel gear and rotate, and then drive third bull stick and rotate, and then drive second gear and rotate, and then drive the rack and descend, make the rack keep level with the bottom of U type base, can support the apron, the user can lay the paper on the apron, be convenient for write, it can to close the apron when packing up.

The utility model discloses can protect the calculator body, can accomodate, be convenient for write, simple to use, convenient operation.

Drawings

Fig. 1 is a schematic structural diagram of an economics special calculator provided by the present invention;

fig. 2 is a schematic left-view structural diagram of a part of an economics special calculator provided by the present invention;

fig. 3 is a schematic diagram of a partial right-view structure of a special calculator for economics provided by the present invention;

fig. 4 is a schematic diagram of a partial top view structure of an economics special calculator provided by the present invention.

In the figure: the counter comprises a 1U-shaped base, a 2 calculator body, a 3 cover plate, a 4 cylinder, a 5 hollow gear, a 6 first belt wheel, a 7 second belt wheel, a 8 conveying belt, a 9 mounting hole, a 10 first gear, a 11 first rotating rod, a 12 first bevel gear, a 13 second bevel gear, a 14 second rotating rod, a 15 third bevel gear, a 16 fourth bevel gear, a 17 third rotating rod, a 18 second gear, a 19 rack, a 20 rolling shaft, a 21 mounting clamp, a 22 key and a 23 display screen.

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.

Referring to fig. 1-4, a special calculator for economics comprises a U-shaped base 1 and a cover plate 3, a calculator body 2 is slidably mounted on the U-shaped base 1, two cylinders 4 are fixedly mounted on the U-shaped base 1, a hollow gear 5 is fixedly mounted on the U-shaped base 1, a roller 20 is fixedly mounted on the cover plate 3, the hollow gear 5 and the two cylinders 4 are rotatably connected with the roller 20, a first pulley 6 is fixedly mounted on the roller 20, a second pulley 7 is rotatably mounted on one side of the U-shaped base 1, the first pulley 6 and the second pulley 7 are engaged with a same conveyor belt 8, the conveyor belt 8 is fixedly connected with the calculator body 2, a mounting hole 9 is formed in the cover plate 3, a first gear 10 is rotatably mounted on the inner wall of one side of the mounting hole 9, the hollow gear 5 and the first gear 10 are engaged with each other, a first rotating rod 11 is fixedly mounted on the first gear 10, a first bevel gear 12 is fixedly mounted on the first rotating rod 11, a second bevel gear 13 is meshed with the first bevel gear 12, a second rotating rod 14 is fixedly mounted on the second bevel gear 13, a third bevel gear 15 is fixedly mounted on the second rotating rod 14, a fourth bevel gear 16 is meshed with the third bevel gear 15, a third rotating rod 17 is fixedly mounted on the fourth bevel gear 16, a second gear 18 is fixedly mounted on the third rotating rod 17, and a rack 19 is meshed with the second gear 18.

The utility model discloses in, be provided with button 22 on the calculator body 2, be provided with display screen 23 on the calculator body 2, be provided with the spout on the hollow gear 5, spout and the 20 sliding connection of roller bearing, the spout can make roller bearing 20 rotate at fixed position.

The utility model discloses in, the top of apron 3 is provided with a plurality of installation clamps 21, and fixed mounting has the second bearing on one side inner wall of mounting hole 9, the inner circle of second bearing and the outside fixed connection of second bull stick 14, a plurality of installation clamps 21 some gadgets of centre gripping pen class of being convenient for, and the second bearing can make second bull stick 14 rotate at fixed position.

The utility model discloses in, be provided with the slide rail on one side inner wall of mounting hole 9, slide rail and 19 sliding connection of rack, the slide rail can make rack 19 slide at fixed position.

The utility model discloses in, fixed mounting has first bearing on one side inner wall of mounting hole 9, the inner circle of first bearing and the outside fixed connection of first bull stick 11, and first bearing can make first bull stick 11 rotate at fixed position.

In the utility model, the rotation of the roller 20 can be driven by opening the cover plate 3, the roller 20 rotates, the first belt wheel 6 rotates under the cooperation of the second belt wheel 7, the conveyor belt 8 drives, the calculator body 2 is driven to ascend, the use is convenient, under the cooperation of the hollow gear 5, the roller 20 rotates, the first gear 10 rotates, the first rotating rod 11 rotates, the first bevel gear 12 rotates, the second bevel gear 13 rotates, the second rotating rod 14 rotates, the third bevel gear 15 rotates, the fourth bevel gear 16 rotates, the fourth bevel gear 16 rotates to drive the third rotating rod 17 to rotate, the third rotating rod 17 rotates to drive the second gear 18 to rotate, the second gear 18 rotates to drive the rack 19 to descend, the rack 19 is level with the bottom of the U-shaped base 1 and can support the cover plate 3, a user can lay paper on the cover plate 3 for writing, when the cover plate is folded, the cover plate 3 is closed to drive the roller 20 to rotate reversely, the roller 20 rotates reversely to drive the first belt wheel 6 to rotate reversely, the reverse rotation of the first belt wheel 6 drives the conveyor belt 8 to drive the conveyor belt 8 to rotate reversely to drive the calculator body 2 to descend, the folded small tool cannot damage the calculator body 2, the roller 20 rotates reversely to drive the first gear 10 to rotate reversely under the cooperation of the hollow gear 5, and the first gear 10 rotates reversely, and then drive first bull stick 11 antiport, and then drive first bevel gear 12 antiport, and then drive second bevel gear 13 antiport, and then drive second bull stick 14 antiport, and then drive third bevel gear 15 antiport, and then drive fourth bevel gear 16 antiport, and then drive third bull stick 17 antiport, and then drive second gear 18 antiport, and then drive rack 19 to rise, when closing apron 3, rack 19 blocks on U-shaped base 1, conveniently carry.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a special calculator of economics, includes U type base (1) and apron (3), its characterized in that, slidable mounting has calculator body (2) on U type base (1), fixed mounting has two drums (4) on U type base (1), fixed mounting has hollow gear (5) on U type base (1), fixed mounting has roller bearing (20) on apron (3), hollow gear (5) and two drums (4) all rotate with roller bearing (20) and are connected, fixed mounting has first band pulley (6) on roller bearing (20), one side of U type base (1) is rotated and is installed second band pulley (7), the meshing has same conveyer belt (8) on first band pulley (6) and second band pulley (7), conveyer belt (8) and calculator body (2) fixed connection, mounting hole (9) have been seted up on apron (3), rotate on the one side inner wall of mounting hole (9) and install first gear (10), hollow gear (5) and first gear (10) intermeshing, fixed mounting has first bull stick (11) on first gear (10), fixed mounting has first bevel gear (12) on first bull stick (11), the meshing has second bevel gear (13) on first bevel gear (12), fixed mounting has second bull stick (14) on second bevel gear (13), fixed mounting has third bevel gear (15) on second bull stick (14), the meshing has fourth bevel gear (16) on third bevel gear (15), fixed mounting has third bull stick (17) on fourth bevel gear (16), fixed mounting has second gear (18) on third bull stick (17), the meshing has rack (19) on second gear (18).

2. The special calculator for economics according to claim 1, wherein the calculator body (2) is provided with a key (22), the calculator body (2) is provided with a display screen (23), the hollow gear (5) is provided with a sliding groove, and the sliding groove is slidably connected with the roller (20).

3. An economics dedicated calculator according to claim 1 wherein, the top of the cover plate (3) is provided with a plurality of mounting clips (21), one side inner wall of the mounting hole (9) is fixedly provided with a second bearing, and the inner ring of the second bearing is fixedly connected with the outer side of the second rotating rod (14).

4. An economics-dedicated calculator according to claim 1 wherein one side of the inner wall of the mounting hole (9) is provided with a sliding rail, and the sliding rail is slidably connected with the rack (19).

5. An economics-dedicated calculator according to claim 1 wherein a first bearing is fixedly mounted on one side inner wall of the mounting hole (9), and the inner ring of the first bearing is fixedly connected with the outer side of the first rotating rod (11).