CN108045132B

CN108045132B - Card smearing device for question card

Info

Publication number: CN108045132B
Application number: CN201711495601.4A
Authority: CN
Inventors: 李昀松
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-12-31
Filing date: 2017-12-31
Publication date: 2023-09-01
Anticipated expiration: 2037-12-31
Also published as: CN108045132A

Abstract

The invention discloses a card smearing device for a question card, which comprises a pen shell, a pen core and a pen clamping head, wherein the pen clamping head is of a telescopic structure, the lower end of the pen clamping head clamps and fixes the upper end of the pen core, the upper end of the pen clamping head is connected to a sliding block, the sliding block is movably connected to a sliding rod, one end of the sliding rod is fixedly connected to the pen shell, the other end of the sliding rod is sleeved with a push sleeve, one end of the push sleeve is abutted against the left end face of the sliding block, the other end of the push sleeve is abutted against a button, the interior of the button is hollow and can axially move along the sliding rod, the right end of the sliding block is provided with a reset spring, the reset spring is sleeved on the sliding rod, the pen core can extend out of the lower end of the pen shell, the pen shell is provided with a sleeve mold section with a square inner section, and the width of an inner hole of the sleeve mold section is larger than the pen core, and the length of the sleeve is larger than the length of the question smearing frame. The invention can rapidly realize the coating of questions, has accurate coating effect, greatly improves the efficiency of the coating of questions, saves time and labor, saves the answering time for examination staff and lightens psychological pressure.

Description

Card smearing device for question card

Technical Field

The invention belongs to the technical field of rearview mirrors, and relates to a card smearing device for smearing a question card.

Background

When the existing pencil is used for smearing an answer sheet, the width of the pencil core is difficult to align with the answer sheet when holding the pencil, and the pencil core is difficult to master the success of smearing once and needs to be smeared back and forth, so that the time and the labor are wasted, the smearing efficiency is low, the examination time is tension, and the mental burden is increased for examination staff.

Disclosure of Invention

The invention aims to solve the technical problems that: provides a card smearing device for smearing a question card, which solves the technical problems existing in the prior art.

The technical scheme adopted by the invention is as follows: the utility model provides a scribble problem card smearing device, including the pen shell, the refill and press from both sides the nib, press from both sides the nib and be extending structure, lower extreme centre gripping fixed refill upper end, press from both sides the nib upper end and connect on the slider, slider swing joint is on the slide bar, slide bar one end fixed connection is at the pen shell, the push away the cover has been cup jointed to the other end, push away cover one end and support and lean on the slider left end face, the other end supports and lean on the button, the inside cavity of button and can follow slide bar axial displacement, the slider right-hand member is provided with reset spring, reset spring cup joints on the slide bar, the refill can stretch out the pen shell lower extreme, the pen shell is provided with the interior cross-section and is the square cover mould section of strip, cover mould section hole width is greater than the refill, length is greater than scribbles problem frame length.

Preferably, the pen point clamping device comprises a chuck and a telescopic square tube, wherein the chuck is of a sleeve structure with an opening at the lower end, a spring clamping piece is arranged in the sleeve structure in the vertical direction, and the lower end of the telescopic square tube is connected to the upper end of the chuck.

Preferably, the telescopic square tube comprises an inner tube and an outer tube which are sleeved with each other, a compression spring is arranged in the inner tube, one end of the compression spring is propped against the outer tube, and the other end of the compression spring is fixedly connected to the bottom end inside the inner tube.

Preferably, one end of the sliding rod connected with the pen shell is provided with an axial sliding block, the axial sliding block is movably embedded in a strip-shaped through groove on the surface of the pen shell, the outer end of the axial sliding block protrudes out of the surface of the pen shell, the part of the inner end of the axial sliding block, which is contacted with the pen shell, is provided with a first saw tooth, a second saw tooth matched with the first saw tooth is arranged on the inner side of the pen shell and is arranged along two sides of the strip-shaped through groove, the axial sliding block can axially move along the sliding rod, the inner end of the button is fixedly connected with a strip-shaped groove, the end part of the strip-shaped groove is propped against the push sleeve, and the depth of the strip-shaped groove is larger than the length of an inner hole of the sleeve mold section.

The invention has the beneficial effects that: compared with the prior art, the universal pen shell is provided with the sleeve mold section which is covered on the question coating frame, the sliding block is driven to move, the telescopic pen head clamping pen core moves on the question coating frame, the question coating is realized rapidly, the question coating is accurate, the effect is good, the question coating efficiency is greatly improved, the time and the labor are saved, the answering time is saved for examination staff, the psychological pressure is relieved, and the multifunctional pen has the characteristics of simple structure, low price and convenience in operation.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the chuck according to the present invention;

fig. 3 is a schematic view of the structure of the telescopic square tube according to the present invention.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific examples.

Example 1: as shown in figures 1-3, the device comprises a pen shell 1, a pen core 2 and a pen head clamping 3, wherein the pen head clamping 3 is of a telescopic structure, the upper end of the pen core 2 is clamped and fixed at the lower end, the upper end of the pen head clamping 3 is connected to a sliding block 4, the sliding block 4 is movably connected to a sliding rod 5, one end of the sliding rod 5 is fixedly connected to the pen shell 1, the other end of the sliding rod is sleeved with a push sleeve 6, one end of the push sleeve 6 is abutted against the left end face of the sliding block 4, the other end of the push sleeve is abutted against a button 7, the button 7 is hollow and can axially move along the sliding rod 5, a reset spring 8 is arranged at the right end of the sliding block 4, the reset spring 8 is sleeved on the sliding rod 5, the pen core 2 can extend out of the lower end of the pen shell 1, the pen shell 1 is provided with a sleeve mold section 9 with a square inner section, the inner hole width of the sleeve mold section 9 is larger than the pen core 2, and the length is larger than the length of a painting frame.

Preferably, the pen point clamping 3 comprises a chuck 10 and a telescopic square tube 11, the chuck 10 is of a sleeve structure with an opening at the lower end, a spring clamping piece 12 for the pen point clamping in the vertical direction is arranged in the sleeve structure, the lower end of the telescopic square tube 11 is connected to the upper end of the chuck 10, the pen point clamping of the telescopic structure is convenient to compress tightly, the smearing effect is better, the spring clamping piece 12 clamps the width direction of the section of a pen core, the elastic clamping is convenient to install, and the clamping is stable and reliable.

Preferably, the telescopic square tube 11 comprises an inner tube 19 and an outer tube 13 which are sleeved with each other, a compression spring 14 is arranged in the inner tube 19, one end of the compression spring 14 is propped against the outer tube 13, the other end of the compression spring is fixedly connected to the bottom end inside the inner tube 19, the structure is telescopic, the cost is low, and the manufacturing is convenient.

Preferably, one end of the sliding rod 5 connected with the pen shell 1 is provided with an axial sliding block 15, the axial sliding block 15 is movably embedded in a strip-shaped through groove 16 on the surface of the pen shell 1, the outer end of the axial sliding block protrudes out of the surface of the pen shell 1, a first sawtooth 17 is arranged at the position, which is contacted with the pen shell 1, of the inner end of the axial sliding block 15, a second sawtooth 18 matched with the first sawtooth 17 is arranged on the inner side of the pen shell 1 and is arranged along two sides of the strip-shaped through groove 16, the axial sliding block 15 can axially move along the sliding rod 5, the inner end of the button 7 is fixedly connected with a strip-shaped groove 19, the end of the strip-shaped groove 19 abuts against the pushing sleeve 6, the depth of the strip-shaped groove 19 is greater than the length of an inner hole of the sleeve mold section 9, the pen core is conveniently stretched along the length direction of the pen shell, the function of protecting and clamping a pen point or the pen core is achieved, and the saw tooth positioning is reliable.

The use principle is as follows: the axial sliding block is pressed, the axial sliding block is withdrawn from the saw teeth, the adjustment of different positions is realized by up-and-down fluctuation, the axial sliding block is loosened, the axial positioning is realized by the sliding rod, the pencil core is in a state of extending out of the leftmost end of the pencil shell, the sleeve mold section is placed at the position of the painting frame, the pencil core is moved along the length direction of the inner hole of the sleeve mold section by pressing the button, and the painting of the painting frame is completed at the end part of the pencil core.

The foregoing is merely illustrative of the present invention, and the scope of the present invention is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the scope of the present invention, and therefore, the scope of the present invention shall be defined by the scope of the appended claims.

Claims

1. The utility model provides a scribble problem card smearing device which characterized in that: the pen comprises a pen shell (1), a pen core (2) and a pen clamping head (3), wherein the pen clamping head (3) is of a telescopic structure, the upper end of the pen core (2) is clamped and fixed at the lower end, the upper end of the pen clamping head (3) is connected to a sliding block (4), the sliding block (4) is movably connected to a sliding rod (5), one end of the sliding rod (5) is fixedly connected to the pen shell (1), a push sleeve (6) is sleeved at the other end of the sliding rod, one end of the push sleeve (6) abuts against the left end face of the sliding block (4), the other end of the push sleeve abuts against a button (7), the button (7) is hollow and can axially move along the sliding rod (5), a reset spring (8) is sleeved on the sliding rod (5), the pen core (2) can extend out of the lower end of the pen shell (1), the inner hole of the sliding rod (9) is provided with a square sleeve mold section (9), and the inner hole width of the sleeve mold section (9) is larger than the width of the pen core (2), and the inner hole length is larger than the length of a painting frame; the pen point clamping (3) comprises a chuck (10) and a telescopic square tube (11), wherein the chuck (10) is of a sleeve structure with an opening at the lower end, spring clamping pieces (12) symmetrically arranged in the vertical direction are arranged in the sleeve structure, and the lower end of the telescopic square tube (11) is connected to the upper end of the chuck (10); the telescopic square tube (11) comprises an inner tube (19) and an outer tube (13) which are sleeved with each other, a compression spring (14) is arranged in the inner tube (19), one end of the compression spring (14) is abutted against the outer tube (13), and the other end of the compression spring is fixedly connected to the bottom end inside the inner tube (19); the pen comprises a pen shell (1), a sliding rod (5), an axial sliding block (15) and a push sleeve (6), wherein the axial sliding block (15) is arranged at one end of the pen shell (1), the axial sliding block (15) is movably embedded into a strip-shaped through groove (16) on the surface of the pen shell (1), the outer end of the axial sliding block (15) protrudes out of the surface of the pen shell (1), a first sawtooth (17) is arranged at the position, which is contacted with the pen shell (1), of the inner end of the axial sliding block (15), a second sawtooth (18) matched with the first sawtooth (17) is arranged at the inner side of the pen shell (1) and is arranged along two sides of the strip-shaped through groove (16), the axial sliding block (15) can axially move along the sliding rod (5), a strip-shaped groove (20) is fixedly connected with the inner end of a button (7), the end of the strip-shaped groove (20) is abutted against the push sleeve (6), and the depth of the strip-shaped groove (20) is larger than the inner hole length of the sleeve mold section (9).