CN220983881U

CN220983881U - Portable calculator

Info

Publication number: CN220983881U
Application number: CN202322868899.6U
Authority: CN
Inventors: 陈文惠; 巨红; 张富文; 张奎燕; 周荣华; 曾令艳
Original assignee: Bingtuan Xingxin Vocational And Technical College
Current assignee: Bingtuan Xingxin Vocational And Technical College
Priority date: 2023-10-25
Filing date: 2023-10-25
Publication date: 2024-05-17
Anticipated expiration: 2033-10-25

Abstract

The utility model discloses a portable calculator, which belongs to the technical field of calculators, and comprises: this protective housing and calculator body, calculator body movable mounting is in the inside of protective housing, the top sliding connection of protective housing has the dust guard, the inside sliding connection of protective housing has the cardboard, the left side movable joint of cardboard is in inside the right side of calculator body, the top both sides fixedly connected with erection column of protective housing, two the top fixedly connected with same handle of erection column. The portable calculator is reasonable in structural design, the calculator body is taken out through the cooperation of the spring, the clamping plate and the cuboid, so that the battery is replaced, the dustproof effect on the calculator body is achieved through the cooperation of the threaded rod, the sliding plate, the connecting plate and the dustproof plate, the service life of the calculator body is prolonged, and the portable calculator body is transferred through the cooperation of the mounting post and the handle.

Description

Portable calculator

Technical Field

The utility model relates to the technical field of calculators, in particular to a portable calculator.

Background

Calculators are machines invented by recent persons that can perform digital operations. The modern electronic calculator can be used for carrying out mathematical operation, is provided with an integrated circuit chip, has a structure which is much simpler than a computer, can be said to be a first-generation electronic computer (computer), has weaker functions, is more convenient and cheaper, can be widely applied to commercial transactions, and is one of the necessary office supplies. In addition to displaying the calculation results, there are often overflow indications, error indications, and the like. The calculator power supply employs an ac converter or a battery that can be recharged with an ac converter or a solar converter. To save power, the calculator is a large-scale integrated circuit fabricated by CMOS technology.

However, the conventional calculator has no dustproof device, so that the keys of the calculator can enter dust under the condition of long-term use, and the normal use of the calculator can be influenced, and therefore, a portable calculator is proposed to solve the problem.

Disclosure of utility model

The present utility model is directed to a portable computer for solving the above-mentioned problems.

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

A portable calculator, comprising: protective housing and calculator body, calculator body movable mounting is in the inside of protective housing, the top sliding connection of protective housing has the dust guard, the inside sliding connection of protective housing has the cardboard, the left side movable joint of cardboard is in inside the right side of calculator body, the top both sides fixedly connected with erection column of protective housing, two the top fixedly connected with same handle of erection column.

Preferably, the inside of protective housing rotates and is connected with the threaded rod, the outside sliding connection of threaded rod has the sliding plate, the inside of protective housing is provided with the spout, sliding plate sliding connection is in the inside of spout, the top fixedly connected with linking board of sliding plate, the top fixedly connected with of linking board is in the bottom of dust guard.

Preferably, the inside of protective housing is provided with the horizontal groove, the inside sliding connection in horizontal groove has the square, the square with the equal fixedly connected with of right side of cardboard is same cuboid, the right side fixedly connected with pull ring of cuboid.

Preferably, the inside of protective housing rotates and is connected with the worm, the outside fixedly connected with worm wheel of threaded rod, the worm wheel meshing is connected in the right side of worm, the front end fixedly connected with of worm turns round the cap, turn round the cap and rotate and connect the front side of protective housing, the interior inner wall rear side fixedly connected with second circle body of protective housing, the worm rotates and connects the inside of second circle body.

Preferably, the left side of the inner wall of the protective housing is fixedly connected with two transverse plates, one side, close to each other, of each transverse plate is fixedly connected with the same guide rod, and the sliding plate is slidably connected to the outer portion of the guide rod.

Preferably, the inner wall top of protective housing is decided and is connected with first circle body, the threaded rod rotates and connects the inside of first circle body, the top fixedly connected with concave plate of protective housing, the right side fixedly connected with flange of dust guard, flange sliding connection is in the inside of concave plate.

Preferably, a spring is fixedly connected to the left side of the square, and the left end of the spring is fixedly connected to the left side of the inner wall of the transverse groove.

According to the portable calculator, the calculator body is placed in the protective shell, when the calculator body is required to be used, the torsion cap is rotated at the moment to drive the worm to rotate, so that the worm wheel and the threaded rod start to rotate, the sliding plate and the connecting plate are further driven to move downwards through the threaded rod, and the dust-proof plate starts to move downwards;

According to the portable calculator, batteries are further required to be replaced on the calculator body, at the moment, the pull ring is pulled to the right side, and the clamping plate is driven to move to the right side by the pull ring, so that the clamping relationship between the clamping plate and the inside of the calculator body is further relieved;

The portable calculator is reasonable in structural design, the calculator body is taken out through the cooperation of the spring, the clamping plate and the cuboid, so that the battery is replaced, the dustproof effect on the calculator body is achieved through the cooperation of the threaded rod, the sliding plate, the connecting plate and the dustproof plate, the service life of the calculator body is prolonged, and the portable calculator body is transferred through the cooperation of the mounting post and the handle.

Drawings

Fig. 1 is a schematic perspective view of a portable calculator according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a portable calculator according to the present utility model;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

Fig. 4 is a partial enlarged view of a portion B in fig. 2.

In the figure: 1. a handle; 2. a mounting column; 3. a protective shell; 4. twisting the cap; 5. a dust-proof plate; 6. a calculator body; 7. a concave plate; 8. a pull ring; 9. a convex plate; 10. a first ring body; 11. a threaded rod; 12. a guide rod; 13. a sliding plate; 14. a transverse plate; 15. a chute; 16. a splice plate; 17. a second ring body; 18. a worm wheel; 19. a worm; 20. a clamping plate; 21. a rectangular parallelepiped; 22. a square block; 23. a spring; 24. and a transverse groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a portable calculator, comprising: protective housing 3 and calculator body 6, the inside of calculator body 6 movable mounting protective housing 3, the top sliding connection of protective housing 3 has dust guard 5, and the inside sliding connection of protective housing 3 has cardboard 20, and the left side activity joint of cardboard 20 is inside the right side of calculator body 6, and the top both sides fixedly connected with erection column 2 of protective housing 3, the top fixedly connected with of two erection columns 2 is the same handle 1.

In this embodiment, the inside rotation of protective housing 3 is connected with threaded rod 11, and the outside sliding connection of threaded rod 11 has slide plate 13, and the inside of protective housing 3 is provided with spout 15, slide plate 13 sliding connection in the inside of spout 15, the top fixedly connected with link plate 16 of slide plate 13, the top fixedly connected with of link plate 16 has realized the dustproof function to calculator body 6 in the bottom of dust guard 5.

In this embodiment, the inside of protective housing 3 is provided with horizontal groove 24, the inside sliding connection in horizontal groove 24 has square 22, the equal fixedly connected with of right side of square 22 and cardboard 20 is the same cuboid 21, the right side fixedly connected with pull ring 8 of cuboid 21, the inside rotation of protective housing 3 is connected with worm 19, the outside fixedly connected with worm wheel 18 of threaded rod 11, the right side at worm 19 is connected in the meshing of worm wheel 18, the front end fixedly connected with of worm 19 turns round cap 4, turn round cap 4 rotates the front side of connecting protective housing 3, the inside wall rear side fixedly connected with second circle body 17 of protective housing 3, worm 19 rotates the inside of connecting at second circle body 17, the power drive function to threaded rod 11 has been realized.

In this embodiment, two transverse plates 14 are fixedly connected to the left side of the inner wall of the protective housing 3, one side, close to each other, of each transverse plate 14 is fixedly connected with the same guide rod 12, the sliding plate 13 is slidably connected to the outside of the guide rod 12, a spring 23 is fixedly connected to the left side of the square block 22, and the left end of the spring 23 is fixedly connected to the left side of the inner wall of the transverse groove 24, so that the reset function of the square block 22 is realized.

In this embodiment, the inner wall top of protective housing 3 is decided and is connected with first circle body 10, and threaded rod 11 rotates the inside of connecting at first circle body 10, and the top fixedly connected with concave plate 7 of protective housing 3, the right side fixedly connected with flange 9 of dust guard 5, flange 9 sliding connection have realized the locate function to threaded rod 11 and to the direction function of dust guard 5 in the inside of concave plate 7.

In this embodiment, when in use, through placing calculator body 6 in the inside of protective case 3, when the calculator body 6 needs to be used, rotate and turn round cap 4 and then drive worm 19 and rotate, further make worm wheel 18 and threaded rod 11 begin to rotate, further drive slide plate 13 and link plate 16 through threaded rod 11 and move down, further make dust guard 5 begin to move down, further want to carry out the change of battery to calculator body 6, pull ring 8 to the right side at this moment, drive cardboard 20 through pull ring 8 and begin to move to the right side, further make cardboard 20 and calculator body 6's inside release the joint relation, thereby take off calculator body 6 and change the battery through the cooperation of spring 23, cardboard 20 and cuboid 21, through threaded rod 11, slide plate 13, the cooperation of link plate 16 and dust guard 5 has realized the dustproof effect to calculator body 6, the life of calculator body 6 increases, portable transfer to calculator body 6 has been realized through the cooperation of erection column 2 and handle 1.

The above describes in detail a portable calculator provided by the present utility model. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. A portable calculator, comprising: protective housing (3) and calculator body (6), calculator body (6) movable mounting is in the inside of protective housing (3), the top sliding connection of protective housing (3) has dust guard (5), the inside sliding connection of protective housing (3) has cardboard (20), the left side activity joint of cardboard (20) is in inside the right side of calculator body (6), the top both sides fixedly connected with erection column (2) of protective housing (3), two the top fixedly connected with one and the same handle (1) of erection column (2).

2. The portable calculator according to claim 1, wherein the inner part of the protective housing (3) is rotatably connected with a threaded rod (11), the outer part of the threaded rod (11) is slidably connected with a sliding plate (13), the inner part of the protective housing (3) is provided with a sliding groove (15), the sliding plate (13) is slidably connected in the sliding groove (15), the top of the sliding plate (13) is fixedly connected with a connecting plate (16), and the top of the connecting plate (16) is fixedly connected to the bottom of the dust-proof plate (5).

3. The portable calculator according to claim 1, wherein a transverse groove (24) is formed in the protective shell (3), a square block (22) is slidably connected in the transverse groove (24), the square block (22) and the right side of the clamping plate (20) are fixedly connected with the same cuboid (21), and a pull ring (8) is fixedly connected to the right side of the cuboid (21).

4. The portable calculator according to claim 2, wherein a worm (19) is rotatably connected to the inside of the protective housing (3), a worm wheel (18) is fixedly connected to the outside of the threaded rod (11), the worm wheel (18) is engaged and connected to the right side of the worm (19), a twist cap (4) is fixedly connected to the front end of the worm (19), the twist cap (4) is rotatably connected to the front side of the protective housing (3), a second ring (17) is fixedly connected to the rear side of the inner wall of the protective housing (3), and the worm (19) is rotatably connected to the inside of the second ring (17).

5. A portable calculator according to claim 2, wherein the left side of the inner wall of the protective housing (3) is fixedly connected with two transverse plates (14), one side of each transverse plate (14) close to the other is fixedly connected with the same guide rod (12), and the sliding plate (13) is slidably connected to the outside of the guide rod (12).

6. The portable calculator according to claim 2, wherein a first ring body (10) is fixedly connected to the top of the inner wall of the protective housing (3), the threaded rod (11) is rotatably connected to the inside of the first ring body (10), the top of the protective housing (3) is fixedly connected with a concave plate (7), the right side of the dust-proof plate (5) is fixedly connected with a convex plate (9), and the convex plate (9) is slidably connected to the inside of the concave plate (7).

7. A portable calculator according to claim 3, wherein a spring (23) is fixedly connected to the left side of the square block (22), and the left end of the spring (23) is fixedly connected to the left side of the inner wall of the transverse groove (24).