CN210309656U

CN210309656U - Examination paper clamping device for high school students

Info

Publication number: CN210309656U
Application number: CN201920646161.6U
Authority: CN
Inventors: 何雨沛; 何武伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2020-04-14
Anticipated expiration: 2029-05-07

Abstract

The utility model belongs to the technical field of high school student's examination technique and specifically relates to a paper clamping device is used in high school student's examination, including first splint and second splint, first splint are placed in table upper surface one side, second splint correspond with first splint and hug closely in the table bottom surface, the one end that first splint and second splint are close to each other is passed through extending structure and is connected, the horizontal welding in second splint bottom has the nut, vertical spiro union has fixed pin in the nut, fixed pin top is supported on the table lower surface. Can prevent its unexpected landing with this device locking on the table through the fixing pin in the rotating nut, the rubber pad can protect the table bottom surface when fixing pin top extrusion table, prevents to appear the damage, can adjust spring to the pressure of clamp plate through the rotating knob, and then adjusting press plate is to the pressure of paper, guarantees that the clamp plate all has stronger pressure to the paper constantly, prevents the unexpected landing of paper.

Description

Examination paper clamping device for high school students

Technical Field

The utility model relates to a high school student examination technical field especially relates to a high school student is examination with examination paper clamping device.

Background

In order to classify examination papers, a teacher will clamp the same kind of examination papers together by using the clamp, but the clamp is too small, the number of the clamp is small, the examination papers are easy to clamp, and the clamp rusts to dirty the examination papers, so that the examination paper clamping device which can clamp more examination papers, is not easy to damage the examination papers and is not easy to dirty the examination papers is urgently needed to be developed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming of lacking the paper clamping device in the prior art and providing a paper clamping device for the examination of high school students.

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

the utility model provides a high school student is examination with examination paper clamping device, includes first splint and second splint, first splint are placed in table upper surface one side, the second splint correspond with first splint and hug closely in the table bottom surface, the one end that first splint and second splint are close to each other is passed through extending structure and is connected, the horizontal welding in second splint bottom has the nut, vertical spiro union has the fixed pin in the nut, the fixed pin top is supported on the table lower surface, vertically on the terminal surface of first splint top install the threaded rod, the cover is equipped with the ring on the threaded rod, threaded rod tip spiro union has the knob, the cover is equipped with the spring on the threaded rod between knob and the ring, ring one side horizontal installation is on the clamp plate.

Preferably, the telescopic structure guide groove and the guide rod are arranged at the bottom end of the first clamping plate vertically, the guide rod is vertically installed on the end face of the top end of the second clamping plate and is inserted into the guide groove vertically, a screw hole is horizontally formed in one side, far away from the table plate, of the guide groove, and a positioning pin is horizontally screwed in the screw hole.

Preferably, the spring is always in compression.

Preferably, the bottom surface of the pressure plate is glued with a non-slip mat, and the non-slip mat is compacted on the test paper.

Preferably, a rubber pad is glued to the end face of the top end of the fixing pin.

The utility model provides a pair of examination of high school student is with examination paper clamping device, beneficial effect lies in: the device is arranged on the table board through the first clamping plate and the second clamping plate, and the distance between the first clamping plate and the second clamping plate is adjusted by rotating and opening the positioning pin so as to adapt to the table boards with different thicknesses; can prevent its unexpected landing with this device locking on the table through the fixing pin in the rotating nut, the rubber pad can protect the table bottom surface when fixing pin top extrusion table, prevents to appear the damage, can adjust spring to the pressure of clamp plate through the rotating knob, and then adjusting press plate is to the pressure of paper, guarantees that the clamp plate all has stronger pressure to the paper constantly, prevents the unexpected landing of paper.

Drawings

Fig. 1 is a front view of the utility model of a paper clamping device for high school students' examinations.

Fig. 2 is a side view of the utility model of a high school student examination paper clamping device.

Fig. 3 is an enlarged view of the a position of the examination paper holding device for high school students according to the present invention.

In the figure: the test paper comprises a table plate 1, test papers 2, a first clamping plate 3, a second clamping plate 4, a guide groove 5, a guide rod 6, a screw hole 7, a positioning pin 8, a nut 9, a fixing pin 10, an anti-slip pad 11, a rubber pad 12, a threaded rod 13, a ring 14, a knob 15, a spring 16 and a pressing plate 17.

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.

Referring to fig. 1-3, a high school student examination is with examination paper clamping device, including first splint 3 and second splint 4, first splint 3 is placed in 1 upper surface one side of table, second splint 4 is hugged closely in 1 bottom surface of table with first splint 3 correspondence, the one end that first splint 3 and second splint 4 are close to each other is passed through extending structure and is connected, extending structure guide way 5 and guide bar 6, guide way 5 is vertical to be seted up in 3 bottoms of first splint, guide bar 6 is vertical to be installed on 4 top terminal surfaces of second splint, and the vertical cartridge of guide bar 6 is in guide way 5, screw 7 has been seted up to one side level that table 1 was kept away from to guide way 5, horizontal spiro union has locating pin 8 in the screw 7. Install this device on table 1 through first splint 3 and second splint 4, and then open the distance between locating pin 8 and the adjustment of first splint 3 and second splint 4 through the rotating to adapt to the table 1 of different thickness.

4 bottom horizontal welding of second splint have nut 9, vertical spiro union has fixing pin 10 in the nut 9, fixing pin 10 top terminal surface rubberizing is stained with rubber pad 12, fixing pin 10 top is supported on 1 lower surface of table, the vertical threaded rod 13 of installing on 3 top terminal surfaces of first splint, the cover is equipped with ring 14 on the threaded rod 13, threaded rod 13 tip spiro union has knob 15, the cover is equipped with spring 16 on the threaded rod 13 between knob 15 and the ring 14, spring 16 is in compression state all the time, ring 14 one side horizontal installation is on clamp plate 17, clamp plate 17 bottom surface is glued there is slipmat 11, slipmat 11 compaction is on examination paper 2. Can prevent its unexpected landing with this device locking on table 1 through fixing pin 10 in the rotating nut 9, rubber pad 12 can protect table 1 bottom surface when fixing pin 10 top extrusion table 1, prevents the damage, can adjust spring to the pressure of clamp plate 17 through rotating knob 15, and then adjusting pressure plate 17 to the pressure of paper 2, guarantees that clamp plate 17 all has stronger pressure to paper 1 constantly, prevents the unexpected landing of paper 2.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a high school student is examination with examination paper clamping device, includes first splint (3) and second splint (4), its characterized in that: the first clamping plate (3) is arranged on one side of the upper surface of the table plate (1), the second clamping plate (4) and the first clamping plate (3) are correspondingly clung to the bottom surface of the table plate (1), one ends of the first clamping plate (3) and the second clamping plate (4) which are close to each other are connected through a telescopic structure, a nut (9) is horizontally welded at the bottom end of the second clamping plate (4), a fixing pin (10) is vertically screwed in the nut (9), the top end of the fixing pin (10) is abutted against the lower surface of the table plate (1), a threaded rod (13) is vertically arranged on the end surface of the top end of the first clamping plate (3), a circular ring (14) is sleeved on the threaded rod (13), a knob (15) is screwed at the end part of the threaded rod (13), a spring (16) is sleeved on the threaded rod (13) between the knob (15) and the circular ring (14), and one side of the circular ring (14) is horizontally arranged on the pressing plate (17).

2. The test paper clamping device for the high school student examinations according to claim 1, characterized in that the telescopic structure guide groove (5) and the guide rod (6) are vertically arranged at the bottom end of the first clamping plate (3), the guide rod (6) is vertically arranged on the end face of the top end of the second clamping plate (4), the guide rod (6) is vertically inserted into the guide groove (5), a screw hole (7) is horizontally arranged on one side of the guide groove (5) far away from the table plate (1), and a positioning pin (8) is horizontally screwed in the screw hole (7).

3. A high school exam paper holding device according to claim 1, wherein said spring (16) is always under compression.

4. The device for holding the test paper for the high school students according to claim 1, wherein the bottom surface of the pressure plate (17) is glued with a non-slip mat (11), and the non-slip mat (11) is compacted on the test paper (2).

5. The device as claimed in claim 1, wherein a rubber pad (12) is glued to the end surface of the top end of the fixing pin (10).