CN216414313U

CN216414313U - Special screening device for examination room information security

Info

Publication number: CN216414313U
Application number: CN202123109515.XU
Authority: CN
Inventors: 李俊梯; 黄日茂
Original assignee: Eastlonge Electronics Hk Co ltd
Current assignee: Eastlonge Electronics Hk Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-04-29
Anticipated expiration: 2031-12-10

Abstract

The utility model belongs to the field of a shielding device, and particularly relates to a special shielding device for information security of an examination room, which comprises a bottom shell, a shielding device body and a cover plate, wherein the shielding device body is slidably arranged in the bottom shell, the tail end of the cover plate is hinged with the tail end of the bottom shell, a hinged plate is rotatably connected to an opening at the front end of the bottom shell, a clamping strip is arranged at the front end of the cover plate, a fixing frame is fixedly arranged at the center of one side of the hinged plate, which is far away from the shielding device body, a clamping assembly matched with the clamping strip is arranged in the fixing frame, and a hand-held handle is fixedly arranged at one side of the hinged plate, which is far away from the shielding device; not the time spent, avoid external force to bump and decrease the shielding ware body, play dirt-proof effect simultaneously, the cooperation of portable handle, fixed frame, card strip and chucking subassembly can make things convenient for carrying of shielding ware body, can carry out the cooling treatment of blowing to it under the overheated condition of shielding ware body simultaneously again.

Description

Special screening device for examination room information security

Technical Field

The utility model relates to the field of a shielding device, in particular to a shielding device special for examination room information safety.

Background

The shielding device is an electronic device which transmits frequency signals within a certain range to interfere with signals transmitted by mobile phones and the like, and in actual life, in order to prevent examinees from cheating through the electronic devices such as the mobile phones, special shielding devices for examination room information safety are often required to be installed in the examination rooms.

The existing special screening device for examination room information safety is mostly block-shaped, and the invigilator is inconvenient to carry the screening device under the condition that the invigilator needs to carry examination papers and briefcases.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems that the prior art is inconvenient to carry and the service life of the examination room is shortened due to heat accumulation of a machine body, the utility model provides a special shield for examination room information safety.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the special examination room information safety shielding device comprises a bottom shell, a shielding device body and a cover plate, wherein the shielding device body is arranged in the bottom shell in a sliding manner, the tail end of the cover plate is hinged with the tail end of the bottom shell, a hinged plate is rotatably connected with an opening at the front end of the bottom shell, a clamping strip is arranged at the front end of the cover plate, and a fixed frame is fixedly arranged at the center of one side of the hinged plate far away from the shielding body, a clamping assembly matched with the clamping strip is arranged in the fixed frame, a portable handle is fixedly arranged on one side of the hinged plate away from the shielding device, a heat dissipation fan is arranged at the center of the lower side wall of the bottom shell, and a vertical metal cylinder is fixedly arranged on the inner side wall of the bottom shell, the inner wall of the metal cylinder is connected with a piston plate in a sliding way, mercury is arranged between the lower side wall of the piston plate and the inner wall of the lower end of the metal cylinder, an elastic press switch is arranged on the inner wall of the upper end of the metal cylinder, and the elastic press switch is electrically connected with the heat dissipation fan; not the time spent, avoid external force to bump and decrease the shield body, play dirt-proof effect simultaneously, the cooperation of portable handle, fixed frame, card strip and chucking subassembly can make things convenient for carrying of shield body, can be when the shield body is overheated, and the cooling process of blowing improves its life to it, and shield body temperature can in time be in the back, can in time close the heat dissipation fan again.

Preferably, the clamping assembly comprises a pull column and a spring, the pull column is slidably connected with the fixed frame, the pull column penetrates through the fixed frame inwards and is fixedly connected with a pressure head, the pressure head abuts against the clamping strip, the spring is sleeved on the pull column, the spring is located between the pressure head and the fixed frame, one end, away from the pressure head, of the pull column is fixedly connected with a limiting piece, and the diameter of the limiting piece is larger than that of the pull column; the clamping strips are pressed by the pressure of the springs, so that the cover plate can be firmly butted with the bottom shell, and the shielding device body is completely protected.

Preferably, the bottom shell and the cover plate are hinged through two groups of hinge strips, and each hinge strip is located at the tail ends of the outer sides of the bottom shell and the cover plate.

Preferably, the periphery of the piston plate is wrapped with a layer of sealing sliding ring with uniform thickness, and the thickness of the sealing sliding ring is twice of that of the piston plate; through the sealed sliding ring of parcel round around the piston plate, improved the leakproofness of piston plate and metal cylinder, avoid mercury upwards the seepage via the gap between metal cylinder and the piston plate.

Preferably, the metal cylinder is made of a copper alloy material; the metal cylinder made of copper alloy has strong heat conductivity and can transmit the external temperature change to mercury in time.

Preferably, a plurality of groups of uniformly distributed silencing cotton are arranged on the inner side wall of the bottom shell, and the silencing cotton is uniformly distributed around the heat dissipation fan; can absorb the slight noise that sends in the heat dissipation fan working process through the cotton setting of multiunit amortization, avoid disturbing the student and normally answer the question.

Preferably, the handle is U-shaped, and the cross section of the handle is flat; the flat portable handle is convenient for hand-carry, improves the user and uses experience.

Preferably, the shielding device body is in sliding connection with the inner wall of the bottom shell through a plurality of groups of sliding blocks and sliding grooves; the shielding device body can be detached from the bottom shell and can be overhauled in time.

Preferably, the side wall of the bottom shell is symmetrically provided with heat dissipation windows; the heat radiation window is provided to discharge heat accumulated between the bottom case and the shield body to the outside.

Preferably, one ends of the hinged plates opposite to the cover plate are provided with matched magnetic sealing strips; so that the bottom shell and the cover plate are matched more closely.

The utility model has the advantages that:

1. the bottom shell and the cover plate are arranged on the outer side of the shielding device body in a matched mode, so that the shielding device body can be protected, when the shielding device is not used, the shielding device body is prevented from being damaged by external force, and meanwhile, a dustproof effect is achieved, and the shielding device body can be conveniently carried due to the matching of the portable handle, the fixing frame, the clamping strip and the clamping assembly;

2. utilize mercury to be heated the expanded characteristic, set up elasticity press the switch and dispel the heat the fan, can be when the shielding ware body is overheated, to its cooling treatment of blowing, improve its life, shielding ware body temperature is normal after, can in time close the heat dissipation fan again, practices thrift the energy consumption, can absorb the slight noise that sends in the heat dissipation fan working process through the cotton setting of multiunit amortization, avoids disturbing the normal answer of student.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

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

FIG. 2 is a schematic view of the internal structure of the fixing frame of the present invention;

fig. 3 is a schematic cross-sectional view of the bottom case of the present invention.

In the figure: the portable shielding device comprises a bottom shell 1, a shielding device body 2, a cover plate 3, a hinge strip 4, a hinge plate 5, a clamping strip 6, a fixing frame 7, a portable handle 8, a pull column 9, a pressure head 10, a spring 11, a heat dissipation fan 12, a metal cylinder 13, mercury 14, an elastic press switch 15, silencing cotton 16, a heat dissipation window 17 and a piston plate 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the examination room information security special shielding device comprises a bottom case 1, a shielding device body 2 and a cover plate 3, wherein the shielding device body 2 is slidably installed in the bottom case 1, the tail end of the cover plate 3 is hinged with the tail end of the bottom case 1, a hinged plate 5 is rotatably connected to an opening at the front end of the bottom case 1, a clamping strip 6 is arranged at the front end of the cover plate 3, a fixing frame 7 is fixedly arranged at the center of one side of the hinged plate 5 away from the shielding device body 2, a clamping assembly matched with the clamping strip 6 is arranged in the fixing frame 7, and a handle 8 is fixedly arranged at one side of the hinged plate 5 away from the shielding device; the bottom shell 1 and the cover plate 3 are arranged on the outer side of the shielding device body 2 in a matched mode, so that the shielding device body 2 can be protected, when the shielding device is not used, the shielding device body 2 is prevented from being damaged by external force, and meanwhile, a dustproof effect is achieved, and the handheld handle 8, the fixing frame 7, the clamping strip 6 and the clamping assembly are matched, so that the shielding device body 2 can be conveniently carried; a heat dissipation fan 12 is arranged at the center of the lower side wall of the bottom shell 1, a vertical metal cylinder 13 is fixedly arranged on the inner side wall of the bottom shell 1, a piston plate 18 is connected to the inner wall of the metal cylinder 13 in a sliding manner, mercury 14 is arranged between the lower side wall of the piston plate 18 and the inner wall of the lower end of the metal cylinder 13, an elastic press switch 15 is arranged on the inner wall of the upper end of the metal cylinder 13, and the elastic press switch 15 is electrically connected with the heat dissipation fan 12; utilize 14 characteristics that are heated and expand of mercury, set up elasticity press switch 15 and heat dissipation fan 12, can be when shielding ware body 2 is overheated, blow the cooling treatment to it, improve its life, 2 temperature of shielding ware body after normal, can in time close heat dissipation fan 12 again, practice thrift the energy consumption.

As a specific embodiment of the utility model, the clamping assembly comprises a pull column 9 and a spring 11, the pull column 9 is slidably connected with the fixed frame 7, the pull column 9 penetrates through the fixed frame 7 inwards to be fixedly connected with a pressure head 10, the pressure head 10 is abutted against the clamping strip 6, the spring 11 is sleeved on the pull column 9, the spring 11 is positioned between the pressure head 10 and the fixed frame 7, one end of the pull column 9, which is far away from the pressure head 10, is fixedly connected with a limiting piece, and the diameter of the limiting piece is larger than that of the pull column 9; through the setting of chucking subassembly, utilize the pressure of spring 11 to compress tightly card strip 6, can form complete protection with the butt joint drain pan 1 that apron 3 is firmly to shielding ware body 2.

As an embodiment of the present invention, the bottom shell 1 and the cover 3 are hinged by two sets of hinge strips 4, each hinge strip 4 being located at the outer end of the bottom shell 1 and the cover 3.

As a specific embodiment of the present invention, a layer of sealing sliding ring with uniform thickness is wrapped around the piston plate 18, and the thickness of the sealing sliding ring is twice of that of the piston plate 18; by wrapping a circle of sealing sliding ring around the piston plate 18, the sealing performance between the piston plate 18 and the metal cylinder 13 is improved, and the upward leakage of mercury 14 through the gap between the metal cylinder 13 and the piston plate 18 is avoided.

As a specific embodiment of the present invention, the metal cylinder 13 is made of a copper alloy material; when the actual production design, this metal cylinder 13's shape can change according to the demand, can be for shapes such as regular polygon prism, cylinder or U type, and the metal cylinder 13 heat-conducting capacity of copper alloy preparation is strong, can in time transmit external temperature variation for mercury 14.

As a specific embodiment of the present invention, a plurality of groups of uniformly distributed noise reduction cotton 16 are disposed on the inner side wall of the bottom case 1, and the noise reduction cotton 16 is uniformly distributed around the heat dissipation fan 12; the slight noise that sends in the working process of heat dissipation fan 12 can be absorbed through the setting of multiunit amortization cotton 16, avoids disturbing the student and normally answers the question.

As a specific embodiment of the present invention, the handle 8 is provided in a U shape, and the cross section of the handle 8 is provided in a flat shape; the flat handle 8 is convenient for carrying, and improves the use experience of the user.

As a specific embodiment of the present invention, the shielding body 2 is slidably connected to the inner wall of the bottom case 1 through a plurality of sets of sliding blocks and sliding grooves; the shielding body 2 can be detached from the bottom shell 1, and can be overhauled in time.

As a specific embodiment of the present invention, the side wall of the bottom case 1 is symmetrically provided with heat dissipation windows 17; the heat radiation window 17 is provided to discharge heat accumulated between the bottom case 1 and the shield body 2 to the outside.

As a specific embodiment of the present invention, the ends of the hinged plate 5 opposite to the cover plate 3 are provided with matching magnetic seals, so that the bottom case 1 and the cover plate 3 are matched more closely by the arrangement of the magnetic seals.

Theory of operation, during the use, outwards stimulate the post 9, pressure head 10 separates with card strip 6, open apron 3, insert the electricity with shielding ware body 2 and alright carry out normal work, after shielding ware body 2 works for a period of time, drain pan 1 and shielding ware body 2 temperature rise this moment, the heat transmits for mercury 14 via metal cylinder 13, mercury 14 thermal expansion promotes piston plate (18) extrusion elasticity press switch 15, heat dissipation fan 12 opens, cool off shielding ware body 2 and blow, after the temperature reduces, mercury 14 volume shrink, elasticity press switch 15 closes, heat dissipation fan 12 closes, avoid the waste of the energy.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. Examination room information security special shield ware, its characterized in that: the shielding device comprises a bottom shell (1), a shielding device body (2) and a cover plate (3), wherein the shielding device body (2) is slidably installed in the bottom shell (1), the tail end of the cover plate (3) is hinged with the tail end of the bottom shell (1), a hinged plate (5) is rotatably connected to an opening at the front end of the bottom shell (1), a clamping strip (6) is arranged at the front end of the cover plate (3), a fixing frame (7) is fixedly arranged at the center of one side, away from the shielding device body (2), of the hinged plate (5), a clamping assembly matched with the clamping strip (6) is arranged in the fixing frame (7), a hand-held handle (8) is fixedly arranged at one side, away from the shielding device, of the hinged plate (5), a heat dissipation fan (12) is arranged at the center of the lower side wall of the bottom shell (1), a vertical metal tube (13) is fixedly arranged on the inner wall of the bottom shell (1), and a piston plate (18) is slidably connected to the inner wall of the metal tube (13), mercury (14) is arranged between the lower side wall of the piston plate (18) and the inner wall of the lower end of the metal cylinder (13), an elastic press switch (15) is arranged on the inner wall of the upper end of the metal cylinder (13), and the elastic press switch (15) is electrically connected with the heat dissipation fan (12).

2. The examination room information security special shielding device of claim 1, wherein: chucking subassembly is including drawing post (9) and spring (11), draw post (9) and fixed frame (7) sliding connection, and draw post (9) to the internal fixed frame (7) fixedly connected with pressure head (10) that runs through, pressure head (10) offset with card strip (6), spring (11) cover is established on drawing post (9), and spring (11) are located between pressure head (10) and the fixed frame (7), draw post (9) to keep away from the spacing piece of one end fixedly connected with of pressure head (10), and spacing piece diameter is greater than and draws post (9) diameter.

3. The examination room information security special shielding device of claim 1, wherein: the bottom shell (1) and the cover plate (3) are hinged through two groups of hinge strips (4), and each hinge strip (4) is located at the tail ends of the outer sides of the bottom shell (1) and the cover plate (3).

4. The examination room information security special shielding device of claim 1, wherein: the periphery of the piston plate (18) is wrapped with a layer of sealing sliding ring with uniform thickness, and the thickness of the sealing sliding ring is twice of that of the piston plate (18).

5. The examination room information security special shielding device of claim 1, wherein: the metal cylinder (13) is made of a copper alloy material.

6. The examination room information security special shielding device of claim 1, wherein: the inner side wall of the bottom shell (1) is provided with a plurality of groups of silencing cotton (16) which are uniformly distributed, and the silencing cotton (16) is uniformly distributed around the heat dissipation fan (12).

7. The examination room information security special shielding device of claim 1, wherein: the handle (8) is U-shaped, and the cross section of the handle (8) is flat.

8. The examination room information security special shielding device of claim 1, wherein: the shielding device body (2) is connected with the inner wall of the bottom shell (1) in a sliding mode through a plurality of groups of sliding blocks and sliding grooves.

9. The examination room information security special shielding device of claim 1, wherein: and heat dissipation windows (17) are symmetrically arranged on the side wall of the bottom shell (1).

10. The examination room information security special shielding device of claim 1, wherein: and one ends of the hinged plates (5) opposite to the cover plate (3) are provided with matched magnetic sealing strips.