External hanging type technical personnel examination peep-proof screen device
The external anti-spy screen device solves the problem of difficulty in monitoring cheating by adjacent candidates during computer exams. It achieves flexible installation and low-cost anti-spying effect, adapts to different monitor sizes and angles, and ensures that the invigilator's field of vision is not affected.
Patent Information
- Application Number
- CN202422993212.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-05
AI Technical Summary
In computer-based exams, cheating behaviors such as peeking and whispering among neighboring candidates are difficult for invigilators to monitor effectively, especially given the dense computer seats and monitors that obscure candidates' facial expressions in the computer lab, making invigilation particularly challenging.
Design an external anti-peeping screen device for technician assessment, including an upright plate and a back plate. The distance between the upright plates can be adjusted by connecting rods and elastic straps. The mounting plate and support rod provide support. The baffle and swing shaft achieve flexible blocking, adapting to different monitor sizes and angles, while preserving the examiner's field of vision.
It effectively prevents neighboring candidates from peeping and communicating, maintains the observation space for invigilators, is easy to install, low in cost, does not affect the use of candidates, and is adaptable to different monitor sizes and angles.
Smart Images

Figure CN223526823U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of examination facilities, in particular to a kind of external hanging type technical staff examination anti-spy screen device. BACKGROUND
[0002] With the popularization of computer, most of the present examinations need to be logged in the examination system of relevant ministries and agencies by operating computer, and the answering process is completed. Especially for various examinations in society, such as technical examination and qualification examination, the examination room is often temporarily set in the computer room of college, and the whole examination is completed by computer. Therefore, the focus of invigilation is on the behavior of cheating in computer examination, which includes the irregular behavior of peeping, whispering and signaling between adjacent examinees.
[0003] In the specific invigilation work, due to the high density of computers in the computer room, the space on the left and right of the seat is small, and the display of the computer can block the expression and head movement of the examinee to a certain extent, so the invigilation is difficult, and the cheating action of adjacent seats is difficult to find. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of external hanging type technical staff examination anti-spy screen device, which can effectively prevent the irregular action of adjacent examinees, and provide sufficient observation space for invigilator above the display.
[0005] The utility model realizes the above-mentioned purpose by the following technical scheme:
[0006] An external hanging type technical staff examination anti-spy screen device, comprising vertical plates vertically arranged on both sides of the display, the vertical plates are vertically extended and arranged in parallel, one side of the vertical plate is provided with a back plate located at the rear side of the display, a right-angle shadow corner is formed between the vertical plate and the back plate, a top plate is fixed at the top end of the shadow corner, a sleeve is fixed at the rear side of the back plate, a connecting rod is penetrated in the sleeve on both sides, a protruding block is arranged at one end of the connecting rod, a first knob is threadedly connected at the other end of the connecting rod, a shaft sleeve is arranged on the top side of the vertical plate and can slide along the width direction of the vertical plate, a stop ring is arranged at the inner end of the shaft sleeve, and an elastic member is further arranged, and the elastic member has elastic force to move the shaft sleeve to the back plate.
[0007] A strip-shaped hole is arranged at the upper part of the vertical plate and extends along the width direction of the vertical plate, the shaft sleeve is arranged in the strip-shaped hole, the diameter of the shaft sleeve is adapted to the width of the strip-shaped hole, a second knob is threadedly connected at the outer end of the shaft sleeve, the elastic member is a elastic band, and the two ends of the elastic band are respectively connected to the two second knobs.
[0008] The elastic band is a back type elastic band, an annular groove is arranged on the circumferential surface of the second knob, and the two ends of the elastic band are hung in the annular groove.
[0009] The inner end of the swing shaft is vertically fixed on the baffle, and the swing shaft is located at the top end of the side of the baffle close to the back plate.
[0010] The side of the baffle close to the back plate is provided with a convex strip.
[0011] The outer side of the stand plate and / or the back plate is provided with a mounting plate, a vertical stand pipe fixed on the mounting plate, a support rod penetrating through the stand pipe and slidingly matched with the stand pipe, and a screw sleeve threadedly connected with the stand pipe below the mounting plate.
[0012] Compared with the prior art, the beneficial effects of the utility model lie in:
[0013] The device can adjust the spacing of the stand plate to adapt to the width of the display, so as to cooperate with displays of various sizes, realize convenient installation, be flexible to use, and be low in cost. After use, the device can effectively shield the space on both sides of the display, prevent the examinee from seeing the content of the display, hinder the transmission of eye contact and expression under the condition that the examinee's head does not move obviously, thereby preventing cheating, and be more conducive to the invigilator to find problems. Meanwhile, the device retains the observation field of view above the display and does not affect the examinee to do the test and lighting. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a schematic diagram of the embodiment 1 of the utility model.
[0015] Figure 2 It is a schematic diagram of the use state (front side) of the embodiment 1 of the utility model.
[0016] Figure 3 It is a schematic diagram of the use state (back side) of the embodiment 1 of the utility model.
[0017] Figure 4 It is a schematic diagram of the embodiment 2 of the utility model.
[0018] Figure 5 It is an enlarged view of the I part of the utility model Figure 4 .
[0019] Figure 6 It is an assembly split schematic diagram of the utility model Figure 4 .
[0020] Reference signs shown in the drawings:
[0021] 1, vertical plate; 2, back plate; 3, top plate; 4, ear plate; 5, sleeve; 6, protruding block; 7, connecting rod; 8, first knob; 9, strip hole; 10, shaft sleeve; 11, second knob; 12, annular wire slot; 13, mounting plate; 14, vertical pipe; 15, support rod; 16, screw sleeve; 17, swing shaft; 18, baffle; 19, protruding strip; 20, strip slot; 21, elastic pull belt. DETAILED DESCRIPTION
[0022] The utility model will be further explained in combination with specific embodiments. It should be understood that these embodiments are only used for illustrating the utility model and are not used for limiting the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the present application.
[0023] Embodiment 1:
[0024] In fact, some schools take measures such as installing anti-peeping screen film and protective cover on the computers in the school computer room to prevent peeping and small actions of adjacent seats, but only a few schools practice it, and it is not popular, the main reason is that the cost of anti-peeping screen film is high, and it is easy to be damaged, and the computer room utilization rate is high, which requires frequent maintenance and expenditure. The style of the existing protective cover affects the use of the computer during the class or study, especially for social examinations, using the computer room of other institutions as an examination room is more passive and difficult to take protective measures.
[0025] The purpose of the present example is to provide a shielding structure that can be quickly disassembled, which can be temporarily installed and used, and disassembled after the examination is over, and does not damage the computer during installation. The specific structure comprises:
[0026] The vertical plates 1 are symmetrically arranged, the vertical plates 1 are vertically extended and arranged in parallel, one side of the vertical plate 1 is provided with a back plate 2 which is vertically connected to the vertical plate 1 and forms an “L” shape, the vertical plate 1 and the back plate 2 form a right-angle female corner, the back plate 2 is used for cooperating with the back side of the display, the back plates 2 of the two vertical plates 1 are oppositely arranged, the top end of the female corner is provided with a top plate 3, the top plate 3 can be of any shape, in the present example, the top plate 3 is triangular, used for closing the top end of the female corner, and the top plate 3 is used for cooperating with the top side of the display.
[0027] The vertical plate 1, the back plate 2 and the top plate 3 are integrally formed plastic components, which are light in weight, easy to process and low in cost.
[0028] In use, the two vertical plates 1 are arranged left and right relative to the display respectively, so that the female corner cooperates with the left and right sides of the display, and the back plate 2 cooperates with the back side of the display, and the top plate 3 is hung on the top side of the display.
[0029] The back plate 2 is fixed with the ear plate 4, the ear plate 4 is horizontally penetrated with the sleeve 5, the two vertical plates 1 are provided with the connecting rod 7, the two ends of the connecting rod 7 are respectively penetrated with the sleeve 5 of the same side, one end of the connecting rod 7 is provided with the lug 6, the lug 6 is used for limiting one end of the connecting rod 7 which cannot be penetrated with the sleeve 5, the other end of the connecting rod 7 is provided with the first knob 8 which is screwed with the connecting rod 7, the interval of the two vertical plates 1 can be adjusted and limited by penetrating the connecting rod 7 with the sleeve 5 of the two sides and screwing the first knob 8 with one end of the screw rod, so that the inner side end surface of the two vertical plates 1 is contacted with the two sides of the display, thereby the interval of the two vertical plates 1 is corresponding with the interval of the display.
[0030] The upper side edge position of the vertical plate 1 is penetrated with the horizontally extending strip hole 9, the shaft sleeve 10 is penetrated in the strip hole 9, the diameter of the shaft sleeve 10 is adapted to the width of the strip hole 9, the inner end of the shaft sleeve 10 is provided with the annular retainer, the diameter of the retainer is larger than the width of the strip hole 9, the circumferential surface of the retainer is contacted with the two side parts of the front of the display, the outer end of the shaft sleeve 10 is screwed with the second knob 11, the two second knobs 11 are provided with the elastic pull belt, the second knob 11 is provided with the annular wire groove 12, the two ends of the elastic pull belt are hung in the annular wire groove 12, thereby the fast dismounting and fast replacement are facilitated.
[0031] Through the above structure, the retainer of the vertical plate 1 is contacted with the back plate 2, the small pressing force of the display is limited, the front and back positions of the vertical plate 1 relative to the display are appropriately constrained, since the facilities are not allowed to be moved randomly in the examination, the appropriate small pressure constraint can stabilize the device.
[0032] In order to reduce the burden on the display, the outer side of the vertical plate 1 is fixed with the detachable mounting plate 13 through the screw, the mounting plate 13 is fixed with the vertical pipe 14 which is integrally formed with the mounting plate 13, the vertical pipe 14 is vertically extended and the tube cavity is penetrated up and down, the supporting rod 15 is penetrated in the vertical pipe 14, the supporting rod 15 is slidingly fitted with the vertical pipe 14, the lower side of the mounting plate 13 is provided with the screw sleeve 16 which is screwed with the vertical pipe 14, the shape of the screw sleeve 16 is hexagonal or other special shape, thereby the screwing operation is facilitated, the relative height of the supporting rod 15 is adjusted. The certain bearing is provided by the supporting rod 15, thereby the pressure of the gravity of the device on the display is reduced.
[0033] In the specific use of the device, the interval of the two vertical plates 1 can be adjusted according to the size of the display, the installation is very simple, the two vertical plates 1 with the fixed interval are directly sleeved on the display from top to bottom, the two side retainers are placed on the front of the display, and the elastic pull belt is hung, thereby the device is completed.
[0034] After installation, the display is shielded on both sides by the vertical plate 1, avoiding communication and peeking between adjacent examinees, and the top side is not higher than the display, not occupying the space above the display, and maintaining a good observation field of view for the invigilator above the display.
[0035] The device can adapt to various sizes of displays by adjusting the connecting rod 7, so that it can be used in various computer room environments that need to be temporarily borrowed when social institutions configure themselves.
[0036] Embodiment 2:
[0037] Based on the basis of embodiment 1, if the display oscillation amplitude is large, the shielding effect at the bottom may be affected. A swing shaft 17 is rotatably connected in the shaft sleeve 10, and a baffle 18 is arranged on the inner side of the two vertical plates 1 opposite to each other. The inner end of the swing shaft 17 is fixed vertically on the baffle 18, and the swing shaft 17 is located at the corner end of the top end of the baffle 18 close to the back plate 2.
[0038] The baffle 18 close to the back plate 2 is provided with a convex strip 19, which is used to increase the width and enhance the supporting force of the relatively thin baffle 18, and the convex strip 19 with a certain thickness is beneficial to cooperate with the non-screen part on both sides of the display.
[0039] The convex strip 19 naturally falls on both sides of the display, which can make the inclination angle of the baffle 18 basically correspond to the support angle of the display, so as to obtain the shielding effect of maintaining a certain width range on both sides of the display. And it does not affect the examinees to adjust the computer angle according to their own needs.
[0040] The inner side of the vertical plate 1 is provided with a strip-shaped groove 20 corresponding to the position of the strip-shaped hole 9, and the width of the strip-shaped groove 20 is greater than the width of the strip-shaped hole 9. The length of the strip-shaped groove 20 is greater than the length of the strip-shaped hole 9. The strip-shaped hole 9 is located in the strip-shaped groove 20. The thickness of the baffle ring is slightly higher than the groove depth of the strip-shaped groove 20, which can conveniently place the baffle ring in the strip-shaped groove 20, reduce the contact range with both sides of the display, and leave a certain space through the strip-shaped groove 20 when the screen on both sides is narrow.
[0041] The support rod 15, the mounting seat and the setting on the outer side of the vertical plate 1 are also set on the back side of the back plate 2, so that the device itself can obtain independent support. Balance the pressure of its own weight, reduce the pressure on the display.
[0042] Based on the above structure, the use method of the device is:
[0043] Before use and after disassembly, the device can be divided into the following independent components:
[0044] Vertical plate 1*2, baffle 18 (with swing shaft 17 and shaft sleeve 10)*2, first knob 8*2, second knob 11*2, connecting rod 7*1, support rod 15 and screw sleeve 16*2 / 4 (optional);
[0045] When needed, the above components are a set, and the display on the desktop is installed:
[0046] The two vertical plates 1 are placed on both sides of the display and are relatively close together, and the inner side of the vertical plate 1 is in contact with the left and right sides of the display. Based on this position, the connecting rod 7 and the first knob 8 are tightened between the two vertical plates 1 to limit the distance between the vertical plates 1 and make the two vertical plates 1 into a structure (the vertical plates 1 can also be fixed in advance according to the width of the display, such as the method described in Example 1);
[0047] Place the baffle 18 inside the vertical plate 1, and the baffle 18 is in front of the display, so that the shaft sleeve 10 penetrates the strip-shaped hole 9, and the second knob 11 is lightly rotated on the outer end of the shaft sleeve 10 on the outside of the vertical plate 1. The shaft sleeve 10 can move in the strip-shaped hole 9, and the two elastic bands are hung between the two second knobs 11;
[0048] Under the pulling of the elastic band, slightly assist in adjusting, so that the bottom surface of the top plate 3 is in contact with the top side of the display, and the back plate 2 is in contact with the back side of the display (on both sides);
[0049] After the above fixing, the convex strip 19 falls on both sides of the display, realizing the same angle shielding of the baffle 18 and the display, and when adjusting the angle of the display, the baffle 18 is passively changed accordingly, maintaining the same effective shielding width on both sides of the display. No matter how the angle of the display is adjusted, it can effectively shield and prevent peeping.
[0050] When the vertical plate 1 with a support rod 15 is used, at the beginning of installation, the upper part of the support rod 15 is inserted into the vertical pipe 14, and the screw sleeve 16 is placed at a relatively lower position relative to the support rod 15. Then perform the above installation, at this time the support rod 15 can slide freely in the vertical pipe 14, and has no supporting effect on the vertical plate 1. When the above installation steps are completed, rotate the screw sleeve 16 upward to make the top surface of the screw sleeve 16 in contact with the bottom surface of the vertical pipe 14, or rotate it upward by a certain height based on this position, reduce the pressure of the bottom surface of the top plate 3 on the top side of the display, or raise the top plate 3 by a height within 31mm, so that the weight of the device does not press on the display.
[0051] Based on the above structure, the width of the baffle 18 can be 35cm, or the width can be appropriately increased, so that adjacent examinees cannot communicate through micro-expression without obvious head movement.
[0052] The advantage of the device in use is very prominent:
[0053] 1) independent component settings, portable, not space, convenient procurement, storage and flexible use, accessories standardization;
[0054] 2) very convenient to disassemble and install, can be arranged in the examination room before the examination, and can be removed after use, and can be called with the change of the examination room, the configuration cost is low, and it is convenient to use, and it does not affect the use of daily computers after disassembly;
[0055] 3) installation, use, disassembly have no damage to the computer;
[0056] 4) considering the difference of different height, habit of people to the display angle adjustment, even in the case of display swing different angle, can obtain the same shielding effect through the follow-up swing baffle 18. Does not affect the candidate to adjust the angle of the display, does not hinder the use;
[0057] 5) there is no any shielding on the top side, does not hinder the candidate to check the screen from top to bottom, more does not affect the observation field of view of the invigilator in the upper, ensure that the teacher can clearly see the facial expression of the candidate from the top;
[0058] 6) the bottom of the baffle 18 and the vertical plate 1 leaves space with the desktop, which does not affect the mouse operation of the examinee.
Claims
1. An external-mounted anti-peeping screen device for technician assessment, characterized in that, The application relates to a display device, which comprises vertical plates arranged on both sides of a display, wherein the vertical plates are vertically extended and arranged in parallel, one side of the vertical plates is provided with a back plate arranged at the back side of the display, a right-angle shadow corner is formed between the vertical plates and the back plate, a top plate is fixed at the top end of the shadow corner, a sleeve is fixed at the back side of the back plate, a connecting rod is penetrated in the sleeves on both sides, a convex block is arranged at one end of the connecting rod, a first knob is threadedly connected to the other end of the connecting rod, an axle sleeve is arranged on the top side of the vertical plate and slides along the width direction of the vertical plate, a stop ring is arranged at the inner end of the axle sleeve, an elastic member is arranged, and the elastic member has an elastic force for moving the axle sleeve towards the back plate.
2. The external technical staff examination privacy screen device according to claim 1, wherein, The upper part of the vertical plate is provided with a strip-shaped hole extended along the width direction of the vertical plate, the axle sleeve is arranged in the strip-shaped hole, the diameter of the axle sleeve is adapted to the width of the strip-shaped hole, a second knob is threadedly connected to the outer end of the axle sleeve, the elastic member is an elastic band, and the two ends of the elastic band are respectively connected to the two second knobs.
3. The external technical staff examination privacy screen device according to claim 2, wherein, The elastic band is a back-shaped elastic band, an annular wire groove is arranged on the circumferential surface of the second knob, and the two ends of the elastic band are hung in the annular wire groove.
4. The external technical staff examination privacy screen device according to claim 1, wherein, A swing shaft is rotatably connected in the axle sleeve, the inner end of the swing shaft is vertically fixed on the baffle, and the swing shaft is located at the top end of the baffle close to the back plate.
5. The external technical staff examination privacy screen device according to claim 4, wherein, A convex strip is arranged on the side of the baffle close to the back plate.
6. The external technical staff examination privacy screen device according to claim 1, wherein, A mounting plate is arranged on the outer side of the vertical plate and / or the back plate, a vertical pipe is fixed on the mounting plate and vertically extends, a supporting rod is penetrated in the vertical pipe and slides up and down on the vertical pipe, and a screw sleeve is threadedly connected to the vertical pipe below the mounting plate.