CN213282041U

CN213282041U - Anti-cheating desk

Info

Publication number: CN213282041U
Application number: CN202020987361.0U
Authority: CN
Inventors: 李中君
Original assignee: Individual
Current assignee: Zhangzhou Xinjiahua Furniture Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-05-28
Anticipated expiration: 2030-06-02

Abstract

The utility model relates to a study article technical field just discloses a can prevent desk of cheating, including the desk body, the equal fixedly connected with supporting leg in desk body left and right sides bottom, the right side of supporting leg all is provided with the pivot, the equal transmission in left side of pivot is connected with gear one, the equal overlap joint in upper end of gear one has gear two, the equal fixedly connected with montant in top of gear two, the equal fixedly connected with disc in top of montant, the top of disc all is provided with the threaded rod, all be provided with the movable sleeve on the threaded rod, the equal fixedly connected with baffle in one side on movable sleeve top. This desk that can prevent cheating makes the carousel rotate through stepping on the running-board to make the pivot rotate, thereby make the gangbar rotate, then gear one drives two gears and rotates simultaneously, makes two threaded rods also rotatory together, then the movable sleeve rises together with the baffle, thereby reaches the effect that prevents cheating.

Description

Anti-cheating desk

Technical Field

The utility model relates to the technical field of school supplies, in particular to a desk capable of preventing cheating.

Background

The desk is an essential object for students in various schools during learning, and along with the development of the times, the styles of the desk are more and more diversified. However, no matter how the form of the desk is changed, the desk is changed and changed in the aspect of convenient use, and now in the paper examination process of China, the phenomenon of cheating always exists, which has great influence on most students taking faithful examinations, China also takes a plurality of measures aiming at the cheating behavior, such as installing signal shielding instruments in classrooms, but the number of the classrooms of primary and secondary schools in China is very large, so money and money are consumed, and therefore the desk capable of preventing cheating is provided and can be used for preventing the students from cheating in the examinations.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the deficiency of the prior art, the utility model provides a desk capable of preventing cheating, which has the advantages of preventing cheating and convenient movement, and solves the problems in the prior art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a desk capable of preventing cheating comprises a desk body, wherein the bottom ends of the left side and the right side of the desk body are fixedly connected with supporting foot frames, the right sides of the supporting foot frames are provided with rotating shafts, wherein the right side of one rotating shaft is provided with a turntable, a linkage rod is arranged between the rotating shafts, the right end of the turntable is provided with a pedal, the left sides of the rotating shafts are respectively connected with a first gear in a transmission way, the upper ends of the first gears are respectively lapped with a second gear, the top ends of the second gears are fixedly connected with vertical rods, the top ends of the vertical rods are fixedly connected with discs, threaded rods are arranged at the top ends of the circular discs, movable sleeves are arranged on the threaded rods, a baffle plate is fixedly connected at one side of the top end of each movable sleeve, the one end fixedly connected with gag lever post of baffle is kept away from to the movable sleeve, the equal fixedly connected with slider of one end that the movable sleeve was kept away from to the gag lever post.

Preferably, the bottom of the supporting foot stool is fixedly connected with a supporting base, and the bottom of the supporting base is provided with rollers.

Preferably, the bottom end of the supporting base is provided with a clamping groove at a part close to the roller, and the clamping groove is matched with the roller.

Preferably, the right end of the linkage rod penetrates through one of the support foot frames, a through hole is formed in the joint of the support foot frame and the linkage rod and matched with the linkage rod, and a protective shell is arranged on the surface of the linkage rod.

Preferably, one side of the rotating shaft, which is close to the first gear, penetrates through the inner wall of the right side of the supporting foot rest, and a penetrating groove is formed in the joint of the supporting foot rest and the rotating shaft and is matched with the rotating shaft.

Preferably, the top ends of the discs penetrate through the top ends of the supporting foot frames and the bottom end of the desk body.

Preferably, one side of the sliding block, which is far away from the limiting rod, is movably connected with the inner wall of the desk body, and a sliding groove is formed in the joint of the inner wall of the desk body and the sliding block.

Preferably, the top end of the desk body is provided with a square groove, and the square groove is matched with the baffle

Compared with the prior art, the utility model provides a can prevent desk of cheating possesses following beneficial effect:

1. this desk that can prevent cheating, through setting up the running-board, the pivot, gear one, gear two, the threaded rod, movable sleeve and baffle isotructure, make the carousel rotate through stepping on the running-board, thereby make the pivot rotate, thereby make the gangbar rotate, reach two gears pivoted effect simultaneously, then gear one drives two simultaneous rotations of two gears, make two threaded rods also rotatory together, then the movable sleeve rises, make the baffle rise together and shelter from examinee's side field of vision, thereby reach an effect that prevents cheating.

2. This desk that can prevent cheating through setting up the gyro wheel, can reach the effect of conveniently removing the desk body, through setting up the draw-in groove, can be when not moving the desk body, in the draw-in groove with gyro wheel 1 to can not influence the stability when the desk body is static.

Drawings

FIG. 1 is a schematic structural section view of the present invention;

FIG. 2 is a front view of the structure of the present invention;

fig. 3 is a schematic side view of the structural disc of the present invention.

Wherein: 1. a desk body; 2. a supporting foot rest; 3. a support base; 4. a first gear; 5. a rotating shaft; 6. a turntable; 7. a foot pedal; 8. a second gear; 9. a vertical rod; 10. a disc; 11. a threaded rod; 12. a movable sleeve; 13. a baffle plate; 14. a limiting rod; 15. a slider; 16. a linkage rod; 17. a roller; 18. a protective shell.

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.

Referring to fig. 1-3, a desk capable of preventing cheating includes a desk body 1.

As shown in figure 1, the bottom ends of the left side and the right side of the desk body 1 are fixedly connected with supporting foot frames 2, the right sides of the supporting foot frames 2 are provided with rotating shafts 5, the right side of one rotating shaft 5 is provided with a turntable 6, a linkage rod 16 is arranged between the rotating shafts 5, and the right end of the turntable 6 is provided with a pedal 7.

Through the technical scheme, the pedal 7 can be treaded to enable the turntable 6 to rotate, so that the rotating shaft 5 rotates, and the effect of rotating the linkage rod 16 is achieved.

As shown in fig. 1, the left side of the rotating shaft 5 is connected with a first gear 4 in a transmission mode, the upper end of the first gear 4 is connected with a second gear 8 in a lap joint mode, the top end of the second gear 8 is fixedly connected with a vertical rod 9, the top end of the vertical rod 9 is fixedly connected with a disc 10, the top end of the disc 10 is provided with a threaded rod 11, and the threaded rod 11 is provided with a movable sleeve 12.

Through above-mentioned technical scheme, usable gear 4 drives gear two 8 and rotates for montant 9 then rotates together, thereby drives disc 10 and threaded rod 11 and rotates, reaches the pivoted effect of movable sleeve 12.

As shown in fig. 1, a baffle 13 is fixedly connected to one side of the top end of the movable sleeve 12, a limiting rod 14 is fixedly connected to one end of the movable sleeve 12 away from the baffle 13, and a sliding block 15 is fixedly connected to one end of the limiting rod 14 away from the movable sleeve 12.

Through the technical scheme, the limiting rod 14 is arranged, so that the movable sleeve 12 cannot rotate along with the threaded rod 11, the effect of ascending or descending movement on the threaded rod 11 is achieved, and the sliding block 15 is arranged so as not to influence the ascending and descending of the movable sleeve 12.

Specifically, as shown in fig. 1 and 2, the bottom ends of the supporting legs 2 are fixedly connected with the supporting base 3, and the bottom ends of the supporting base 3 are provided with rollers 17.

Through the technical scheme, the effect of conveniently moving the desk body 1 can be achieved.

Specifically, as shown in fig. 1, a clamping groove is formed at a portion, close to the roller 17, of the bottom end of the supporting base 3, and the clamping groove is matched with the roller 17.

Through the technical scheme, the roller 17 can be retracted into the clamping groove when the desk body 1 is not moved, so that the stability of the desk body 1 in a static state cannot be influenced.

Specifically, as shown in fig. 1, the right end of the linkage rod 16 penetrates through one of the support foot frames 2, a through hole is formed at the joint of the support foot frame 2 and the linkage rod 16 and is matched with the linkage rod 16, and a protective shell 18 is arranged on the surface of the linkage rod 16.

Through the technical scheme, the linkage rod 16 can normally rotate, and the protective shell 18 can prevent the student from taking feet to damage the linkage rod 16 at ordinary times.

Specifically, as shown in fig. 1, one side of the rotating shaft 5, which is close to the first gear 4, penetrates through the inner wall of the right side of the supporting foot rest 2, and a penetrating groove is formed at the joint of the supporting foot rest 2 and the rotating shaft 5 and is matched with the rotating shaft 5.

Specifically, as shown in fig. 1, the top ends of the disks 10 all penetrate the top ends of the supporting legs 2 and the bottom end of the desk body 1.

Through the technical scheme, the stability of the structures such as the second gear 8, the disc 10 and the like is better.

Specifically, as shown in fig. 1, one side of the sliding block 15 away from the limiting rod 14 is movably connected with the inner wall of the desk body 1, and a sliding groove is formed at the joint of the inner wall of the desk body 1 and the sliding block 15.

Through the technical scheme, the sliding block 15 can enable the movable sleeve 12 to freely lift on the threaded rod 11 without being influenced by the limiting rod 14.

Specifically, as shown in fig. 1, a square groove is formed at the top end of the desk body 1, and the square groove is matched with the baffle 13

Through the technical scheme, the baffle 13 can rise above the desk body 1, so that the effect of shielding the visual fields on two sides is achieved.

When the desk is used, the pedal 7 is stepped to enable the turntable 6 to rotate, so that the rotating shaft 5 rotates, the linkage rod 16 rotates, the second gears 8 in the two supporting foot frames 2 rotate simultaneously, then the threaded rod 11 rotates along with the second gears, the movable sleeve 12 drives the baffle 13 to ascend to a desktop, and the baffle 13 can be retracted into the desk body 1 in the same way.

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. The utility model provides a can prevent desk of cheating which includes desk body (1), its characterized in that: the bottom ends of the left side and the right side of the desk body (1) are fixedly connected with supporting foot frames (2), the right sides of the supporting foot frames (2) are respectively provided with a rotating shaft (5), the right side of one rotating shaft (5) is provided with a rotating disc (6), a linkage rod (16) is arranged between the rotating shafts (5), the right end of each rotating disc (6) is provided with a pedal (7), the left side of each rotating shaft (5) is in transmission connection with a first gear (4), the upper end of each first gear (4) is in lap joint with a second gear (8), the top ends of the second gears (8) are respectively and fixedly connected with a vertical rod (9), the top ends of the vertical rods (9) are respectively and fixedly connected with a disc (10), the top ends of the discs (10) are respectively provided with a threaded rod (11), the threaded rods (11) are respectively provided with a movable sleeve (12), one, one end of the movable sleeve (12) far away from the baffle (13) is fixedly connected with a limiting rod (14), and one end of the limiting rod (14) far away from the movable sleeve (12) is fixedly connected with a sliding block (15).

2. A cheating-resistant desk according to claim 1, wherein: the bottom of the supporting foot frame (2) is fixedly connected with a supporting base (3), and the bottom of the supporting base (3) is provided with rollers (17).

3. A cheating-resistant desk according to claim 2, wherein: the bottom end of the supporting base (3) is provided with a clamping groove at the part close to the roller (17), and the clamping groove is matched with the roller (17).

4. A cheating-resistant desk according to claim 1, wherein: the right end of the linkage rod (16) penetrates through one of the support foot frames (2), a through hole is formed in the joint of the support foot frame (2) and the linkage rod (16) and matched with the linkage rod (16), and a protective shell (18) is arranged on the surface of the linkage rod (16).

5. A cheating-resistant desk according to claim 1, wherein: one side of the rotating shaft (5) close to the first gear (4) penetrates through the inner wall of the right side of the supporting foot frame (2), and a penetrating groove is formed in the joint of the supporting foot frame (2) and the rotating shaft (5) and is matched with the rotating shaft (5).

6. A cheating-resistant desk according to claim 1, wherein: the top ends of the discs (10) penetrate through the top ends of the supporting foot frames (2) and the bottom end of the desk body (1).

7. A cheating-resistant desk according to claim 1, wherein: one side of the sliding block (15) far away from the limiting rod (14) is movably connected with the inner wall of the desk body (1), and a sliding groove is formed in the joint of the inner wall of the desk body (1) and the sliding block (15).

8. A cheating-resistant desk according to claim 1, wherein: the top end of the desk body (1) is provided with a square groove, and the square groove is matched with the baffle (13).