CN212342112U

CN212342112U - Analog mathematical calculation contrast device

Info

Publication number: CN212342112U
Application number: CN201821361298.9U
Authority: CN
Inventors: 王瑞
Original assignee: Individual
Current assignee: Jiaxing Nanhu Photographic Instrument Co ltd
Priority date: 2018-08-23
Filing date: 2018-08-23
Publication date: 2021-01-12
Anticipated expiration: 2028-08-23

Abstract

The utility model discloses a simulation mathematics calculation contrast device, including box and storage chamber, the box passes through axis of rotation and protective cover interconnect, and the inboard surface central point of protective cover puts the welding and has the separator, the lower extreme of display area installs and presses the key district, and is fixed with the on & off switch according to one side in key district, the inside upper end of box has been seted up and has been reserved the chamber, and the upper end fixed surface who reserves the chamber has shockproof piece, radiator fan is installed to the right side wall of box, and radiator fan's the outside is fixed with the protection piece, the storage chamber reserves the inside lower extreme at the box in advance, the front end edge of protective cover is fixed with waterproof sealing member, the front end fixed surface of box has the handle. This analog mathematics calculates contrast device, the outside surface of water proof sealing member coincide with the inside surface of reserving the chamber and be connected, and connection structure is inseparable, carries the device up through the handle and can transport and carry, and is nimble convenient.

Description

Analog mathematical calculation contrast device

Technical Field

The utility model relates to a teaching technical field specifically is a simulation mathematics calculates contrast device.

Background

Mathematics, be a subject of the concepts such as research quantity, structure, change, space and information, from a certain angle belong to the scientific one of form, and in human historical development and social life, mathematics also plays irreplaceable effect, also be the essential basic tool of study and research modern science and technology, in daily life, the market needs to be used the contrast device that can analog mathematics calculate, most analog mathematics that have now calculate contrast device and be box body form structure, and it does not set up effectual heat dissipation structure mostly, and be not convenient for transportation and carry, the use is comparatively loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a simulation mathematics calculates contrast device has solved current most simulation mathematics and has calculated contrast device and be box form structure, and it does not set up effectual heat radiation structure mostly to be not convenient for transport and carry, the comparatively loaded down with trivial details problem of use.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a simulation mathematics calculation contrast device, includes box and storage chamber, the box passes through axis of rotation and protective cover interconnect, and the inboard surface central point of protective cover puts the welding and has the separator to the both sides of separator are provided with display area, display area's lower extreme is installed and is pressed the key district, and presses one side in key district to be fixed with the on & off switch, reserve the chamber has been seted up to the inside upper end of box, and the upper end fixed surface who reserves the chamber has shockproof piece, radiator fan is installed to the right side wall of box, and radiator fan's the outside is fixed with the protector to dustproof vent has been seted up to the left side wall of box, the storage chamber reserves the inside lower extreme at the box in advance, the front end edge of protective cover is fixed with waterproof sealing member, the front end fixed surface of.

Preferably, the box body forms a rotating structure through a rotating shaft and a protective cover, and the rotating angle range of the structure is 0-150 degrees.

Preferably, the positions of the heat radiation fan and the dustproof ventilation opening correspond to each other.

Preferably, the protection part and the heat dissipation fan are arranged at positions corresponding to each other, two heat dissipation fans are symmetrically arranged at the center position of the right side wall surface of the box body, the longitudinal section of the protection part is half-moon-shaped, and the inner side of the protection part is of a hollow structure.

Preferably, the inner side surface of the waterproof sealing member and the outer side surface of the shock-proof member are in fit connection with each other.

Preferably, the waterproof sealing element is of a rectangular structure with a hollow interior, and the outer surface of the waterproof sealing element is matched and connected with the inner surface of the reserved cavity.

(III) advantageous effects

The utility model provides a contrast device is calculated to analog mathematics. The method has the following beneficial effects:

(1) this analog mathematics calculates contrast device opens radiator fan through outside switch, and radiator fan takes away the heat of box inside, and the air convection is with outside cold wind in the inside storage chamber of box is inhaled from dustproof vent, can take away the heat of device inside rapidly, the life of extension device to a certain extent.

(2) This analog mathematics calculates contrast device is crescent column structure through the longitudinal section of protection piece, when being convenient for device inside ventilation, has certain dustproof and waterproof effect, avoids outside dust and rainwater to fall into inside the device, plays better protection effect.

(3) This analog mathematics calculates contrast device, the outside surface through waterproof sealing spare is connected with the inside surface coincidence of reserving the chamber, and connection structure is inseparable, carries the device through the handle and can transport and carry, and is nimble convenient.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the box body of the present invention;

fig. 3 is a schematic view of the dustproof ventilation opening of the present invention.

In the figure: the device comprises a box body 1, a rotating shaft 2, a protective cover 3, a separating piece 4, a display area 5, a key area 6, an on-off key 7, a reserved cavity 8, a shockproof piece 9, a heat radiation fan 10, a protective piece 11, a dustproof ventilation opening 12, a storage cavity 13, a waterproof sealing piece 14 and a handle 15.

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.

As shown in fig. 1-3, the utility model provides a technical solution: a simulation mathematics calculation contrast device comprises a box body 1, a rotating shaft 2, a protective cover 3, a partition 4, a display area 5, a key area 6, an on-off key 7, a reserved cavity 8, a shockproof piece 9, a heat radiation fan 10, a protective piece 11, a dustproof ventilation opening 12, a storage cavity 13, a waterproof sealing piece 14 and a handle 15, wherein the box body 1 is connected with the protective cover 3 through the rotating shaft 2, the partition 4 is welded at the central position of the inner side surface of the protective cover 3, the display area 5 is arranged on two sides of the partition 4, the box body 1 forms a rotating structure with the protective cover 3 through the rotating shaft 2, the rotating angle range value of the structure is 0-150 degrees, the structure is convenient for a user to watch, the structure is flexible and convenient to store and transport, the key area 6 is installed at the lower end of the display area 5, the on-off key 7 is fixed on one side of the, the upper end surface of the reserved cavity 8 is fixed with a shockproof piece 9, the right side wall surface of the box body 1 is provided with a heat radiation fan 10, the outer side of the heat radiation fan 10 is fixed with a protection piece 11, the left side wall surface of the box body 1 is provided with a dustproof vent 12, the positions of the heat radiation fan 10 and the dustproof vent 12 are mutually corresponding, the structure can ensure that the heat radiation fan 10 and the dustproof vent 12 form air convection, the heat radiation inside the accelerating device is convenient and practical, the positions of the protection piece 11 and the heat radiation fan 10 are mutually corresponding, the two heat radiation fans 10 are symmetrically arranged relative to the center position of the right side wall surface of the box body 1, the longitudinal section of the protection piece 11 is in a half-moon shape, meanwhile, the inner side of the protection piece 11 is in a hollow structure, the heat inside of the device can be rapidly taken out, the short-circuit condition caused by the, the front end edge of protective cover 3 is fixed with waterproof sealing member 14, the inboard surface of waterproof sealing member 14 and the outside surface of shockproof piece 9 are identical each other and are connected, stable in structure, avoid the inside condition of intaking that appears of device, waterproof sealing member 14 is inside hollow rectangle structure, and the outside surface of waterproof sealing member 14 and the inside surface of reserving chamber 8 are identical each other and are connected, stable in structure avoids leaving the unstable condition of structure that too much appears, the front end fixed surface of box 1 has handle 15.

When the device is used, the device is firstly required to be placed at a use position, then the device is unfolded through the inner protective cover 3 and the rotating shaft 2, the protective cover 3 is adjusted to a viewing position through the rotating shaft 2 after the unfolding, the device can be used, the device is started through the switch key 7 and the power supply in the storage cavity 13, a user can operate the position of the key area 6 after the device is started, after a required equation is input, the display area 5 in the device can output data, the internal circuit structure is stable, when the device is used, the heat dissipation fan 10 is turned on through the external switch, the heat dissipation fan 10 takes out the heat in the box body 1, the air convection sucks external cold air into the storage cavity 13 in the box body 1 from the dustproof ventilation opening 12, the structure can rapidly take out the heat in the device, the structure is stable, the service life of the device can be prolonged to a certain degree, is convenient and practical;

a protection piece 11 is fixed on the outer side of the heat radiation fan 10, the longitudinal section of the protection piece 11 is in a crescent structure, the device has certain dustproof and waterproof effects while facilitating the ventilation in the device, prevents external dust and rainwater from falling into the device, has better protection effect, after the device is used, the device is closed through the switch key 7, after the device is closed, the protective cover 3 rotates to return to the initial position, the waterproof sealing piece 14 on the front end surface is connected with the clamping groove of the box body 1, the outer side surface of the waterproof sealing piece 14 is matched and connected with the inner surface of the reserved cavity 8, the connecting structure is tight, after the waterproof sealing piece is fixedly clamped, the device can be lifted up through the handle 15 for transportation and carrying, the device improves the shell of the device under the condition of not influencing the use of the device, so that the analog mathematical calculation comparison device can be well used by a demander.

In conclusion, this analog mathematics calculates contrast device, open cooling fan 10 through outside switch, cooling fan 10 takes out the heat of box 1 inside, air convection inhales outside cold wind in the inside storage chamber 13 of box 1 from dustproof vent 12, can take out the heat of device inside rapidly, prolong the life of device to a certain extent, and the longitudinal section of protection piece 11 is crescent column structure, when being convenient for the inside ventilation of device, certain dustproof and waterproof effect has, avoid outside dust and rainwater to fall into inside the device, play better protection effect, and the outside surface of waterproof sealing piece 14 is connected with the inside surface coincidence of reserving chamber 8, connection structure is inseparable, carry the device up through handle 15 and can transport and carry, it is nimble convenient.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A contrast device for analog mathematical calculation comprises a box body (1) and a storage cavity (13), and is characterized in that: the box (1) is connected with the protective cover (3) through a rotating shaft (2), the protective cover (3) is welded at the center of the inner side surface of the protective cover (3), a display area (5) is arranged on the two sides of the protective cover (4), a key area (6) is installed at the lower end of the display area (5), an on-off switch (7) is fixed on one side of the key area (6), a reserved cavity (8) is formed in the upper end of the inside of the box (1), a shockproof piece (9) is fixed on the surface of the upper end of the reserved cavity (8), a heat radiation fan (10) is installed on the right side wall surface of the box (1), a protection piece (11) is fixed on the outer side of the heat radiation fan (10), a dustproof ventilation opening (12) is formed in the left side wall surface of the box (1), a lower end of the inside of the box (1) is reserved in the storage cavity (13), and, a handle (15) is fixed on the front end surface of the box body (1).

2. A device for analog mathematical computation comparison as claimed in claim 1, wherein: the box body (1) and the protective cover (3) form a rotating structure through the rotating shaft (2), and the rotating angle range value of the structure is 0-150 degrees.

3. A device for analog mathematical computation comparison as claimed in claim 1, wherein: the positions of the heat radiation fan (10) and the dustproof ventilation opening (12) correspond to each other.

4. A device for analog mathematical computation comparison as claimed in claim 1, wherein: the positions of the protection piece (11) and the heat dissipation fan (10) correspond to each other, two heat dissipation fans (10) are symmetrically arranged at the center position of the right side wall surface of the box body (1), the longitudinal section of the protection piece (11) is half-moon-shaped, and the inner side of the protection piece (11) is of a hollow structure.

5. A device for analog mathematical computation comparison as claimed in claim 1, wherein: the inner side surface of the waterproof sealing part (14) is matched and connected with the outer side surface of the shockproof piece (9).

6. A device for analog mathematical computation comparison as claimed in claim 1, wherein: the waterproof sealing piece (14) is of a rectangular structure with a hollow interior, and the outer surface of the waterproof sealing piece (14) is matched and connected with the inner surface of the reserved cavity (8).