CN112924282A

CN112924282A - Detection equipment based on screen compressive resistance is adjusted to atmospheric pressure

Info

Publication number: CN112924282A
Application number: CN202110120021.7A
Authority: CN
Inventors: 李宇轩
Original assignee: Nanjing Jiangtu Trading Co ltd
Current assignee: Nanjing Jiangtu Trading Co ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-06-08

Abstract

The invention relates to the technical field of touch screen detection, and discloses a detection device for regulating screen compressive resistance based on air pressure. This check out test set based on screen compressive resistance is adjusted to atmospheric pressure makes the cock body change and pressurizes the intracavity volume through pressing down the briquetting, makes and pressurizes the intracavity atmospheric pressure and rises, and along with cam normal running fit connecting rod transmission makes cock body two top pressurization, increases the three lower pressure degrees of cock body, and rack one removes two transmission of cooperation connecting rod and makes the adjustable shelf reciprocate, and the lifter block top is opened and is dialled the movable block and make and pressurize chamber and lifter block inside gas circuit intercommunication when rising the tensioning roller and supporting on the screen surface, and gaseous pressure pushes down the thimble and detects this moment.

Description

Detection equipment based on screen compressive resistance is adjusted to atmospheric pressure

Technical Field

The invention relates to the technical field of touch screen detection, in particular to a detection device for adjusting screen pressure resistance based on air pressure.

Background

As a brand-new interpersonal interaction technology, touch screens are widely applied to the fields of industry, medical treatment, communication, entertainment, education and the like, touch screens are widely applied to various devices such as smart phones or tablet computers, capacitive touch screens need to detect the surface pressure resistance of the screens in the production process, the existing equipment is complex in structure and complicated in adjustment steps, the adjustment and detection efficiency is reduced, the existing detection equipment directly presses the surfaces of the screens through thimbles, rigid contact easily causes damage to the surfaces of the screens, the touch screens are damaged, and the detection cost is increased.

The invention provides a detection device for regulating the screen compressive resistance based on air pressure, which changes the volume of gas in a pressurizing cavity by pressing a pressing block to drive a plug body, so that the gas pressure in the pressurizing cavity is increased, a cam is driven by a gear to rotate and match with a connecting rod for transmission to press a plug body II upwards, the downward pressing force of a thimble driven by a plug body III is increased, a movable frame moves up and down along with a rack I in a left-right reciprocating mode, when a tensioning roller is pressed against the surface of a screen by pressing a lifting block, the lifting block moves upwards to push a shifting block to communicate the pressurizing cavity with an internal gas circuit of the lifting block, and the gas pressure presses the plug body III to drive the thimble to press against the surface of the screen, so that the rigid contact is prevented from directly damaging the surface of the screen.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the detection equipment for regulating the screen compressive resistance based on the air pressure, which has the advantages of regulating the screen by changing the down pressure of the equipment based on the air volume and pressing the screen by depending on the air pressure when the screen is pressed down, and solves the problems of complex down pressure regulating process and easy damage to the surface of the screen due to rigid contact when the screen is pressed down.

(II) technical scheme

In order to achieve the purpose of adjusting the downward pressure of the equipment and pressing the screen downward by depending on the gas pressure based on the change of the gas volume, the invention provides the following technical scheme: a detection device based on screen compressive resistance is adjusted through air pressure, and comprises a frame body, wherein the top of the frame body is movably connected with a ratchet plate, the inner part of the ratchet plate is elastically connected with a first ratchet, the inner part of the top of the frame body is movably connected with a first plug body, the top end of the first plug body is fixedly connected with a pressing block, the left end and the right end of the pressing block are fixedly connected with a second ratchet, a pressurizing cavity is formed in the frame body, the left side and the right side of the bottom of the pressurizing cavity are movably connected with a second plug body, the middle of the second plug body is hinged with a first connecting rod, the bottom end of the first connecting rod is hinged with a cam, the axis of the cam is fixedly connected with a first gear, the lower side of the first gear is meshed with a first rack, one side, close to the center of the frame body, of the first rack, the middle part elastic connection of adjustable shelf has the stirring piece, the inner wall of adjustable shelf bottom is connected with the lift block through the linkage transmission, the bottom of linkage rotates and is connected with the tensioning roller, the inside swing joint of lift block has cock body three, the bottom elasticity of the three left and right sides of cock body is even connected with spring one, the bottom fixedly connected with thimble of cock body three, the trachea has been seted up to the inside of lift block, the support body below is provided with the transfer roller.

Preferably, the inside cavity of support body, the pressurization chamber has been seted up to the inside of support body, the inside in pressurization chamber respectively with cock body one, cock body two and the outside looks adaptation of cock body three, the inside gas tightness in pressurization chamber is good, through the inside gas volume change control gas pressure size in pressurization chamber.

Preferably, the ratchet plate is connected to the top of the frame in a limiting mode, a pull rod is fixedly connected to one side, away from the center of the frame, of the ratchet plate, a first ratchet is connected to the inner portion of the ratchet plate in a limiting mode, and the height of the pressing block is locked through clamping of the first ratchet and a second ratchet.

Preferably, the pressing block is connected to the top of the frame in a limiting mode, the plug body II is symmetrically arranged relative to the center of the frame, the end portion of the cam is connected with the plug body II through a connecting rod in a transmission mode, and the plug body II is driven to reciprocate up and down through rotation of the cam and transmission of the connecting rod I.

Preferably, the cam and the first gear are located on the same rotation axis, the axis transmission of the cam is connected with a motor, the first gear is an incomplete gear, the first gear is rotatably connected to the left side and the right side of the bottom of the rack body, the left side and the right side of the bottom of the rack body are in limit connection with the first rack, and the first rack is driven to reciprocate through the rotation of the first gear and the spring elastic action on the left side of the first rack.

Preferably, the movable frame is in limiting connection with the middle of the frame body, the ventilation disc is hollow inside, a communicating pipeline is formed inside the movable frame, the connecting rod group is composed of a movable connecting rod and a hinge rod, and the movable frame moves left and right through the rack I and moves up and down through the transmission of the connecting rod II.

Preferably, the outside of cock body three and the inside looks adaptation of lifter, dial the piece and rotate the bottom of connecting at the adjustable shelf, the outside of thimble and the inside looks adaptation of lifter, it pushes up through the lifter and dials inside the piece intercommunication pressurization chamber and the lifter, and gas pressure makes cock body three drive the thimble and pushes down the screen surface.

(III) advantageous effects

Compared with the prior art, the invention provides a detection device for adjusting the screen compressive resistance based on air pressure, which has the following beneficial effects:

1. this check out test set based on atmospheric pressure regulation screen compressive resistance, top limit connection through the support body has the briquetting, adjust the overdraft according to the screen material, press down the briquetting and drive the cock body and change the inside gas volume of pressurization chamber, gas pressure rises, two joints of ratchet are between ratchet one simultaneously, the height of locking briquetting, along with the motor that a gear axle center transmission is connected rotates, cam normal running fit connecting rod transmission makes two tops of cock body increase the inside atmospheric pressure of pressurization chamber, increase the dynamics that three drive the thimble of cock body pushed down, thereby reach the effect based on gas volume change adjusting device overdraft, improve equipment's practicality.

2. This check out test set based on screen compressive resistance is adjusted to atmospheric pressure, bottom through the adjustable shelf articulates there is connecting rod two, reciprocating motion about along with rack one, the adjustable shelf reciprocates, adjustable shelf bottom inner wall is connected with the elevator through the linkage transmission, along with the elevator under the tensioning roller support on the screen surface, the linkage shrink makes the elevator go up to move the top and open the shifting block simultaneously, pressurize intracavity portion and elevator inside gas circuit intercommunication, pressurize intracavity portion gas pressure and push down cock body three, the elastic action of cooperation spring one, make the thimble under the crimping touch screen surface, thereby rely on the effect that gas pressure pushed down the screen when reaching the pushing down, prevent that rigid contact from directly damaging the screen surface.

Drawings

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

FIG. 2 is a schematic view of the present invention in terms of adjustment;

FIG. 3 is an enlarged view of the lifting block shown in FIG. 1;

FIG. 4 is an enlarged view of the structure of FIG. 2;

FIG. 5 is an enlarged view of the structure of FIG. 2 at B in accordance with the present invention;

fig. 6 is an enlarged view of the structure of fig. 3 at C according to the present invention.

In the figure: 1. a frame body; 2. a ratchet plate; 3. a first ratchet; 4. a first plug body; 5. briquetting; 6. a second ratchet; 7. a pressurization cavity; 8. a plug body II; 9. a first connecting rod; 10. a cam; 11. a first gear; 12. a first rack; 13. a second connecting rod; 14. a movable frame; 15. a ventilation disc; 16. a shifting block; 17. a linkage; 18. a lifting block; 19. a tension roller; 20. a plug body III; 21. a first spring; 22. a thimble; 23. an air tube; 24. and (6) conveying rollers.

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. 1-6, a detection device for adjusting screen compressive resistance based on air pressure comprises a frame body 1, a ratchet plate 2 is movably connected to the top of the frame body 1, the ratchet plate 2 is connected to the top of the frame body 1 in a limiting manner, a pull rod is fixedly connected to one side, away from the center of the frame body 1, of the ratchet plate 2, a ratchet I3 is connected to the inner portion of the ratchet plate 2 in a limiting manner, the height of a pressing block 5 is locked through the clamping connection of the ratchet I3 and the ratchet II 6, the ratchet I3 is elastically connected to the inner portion of the ratchet plate 2, a plug body I4 is movably connected to the inner portion of the top of the frame body 1, the pressing block 5 is fixedly connected to the top of the plug body I4 in a limiting manner, the plug bodies II 8 are symmetrically arranged with respect to the center of the frame body 1, the end portion of a cam 10 is in transmission connection with a plug body II 8 through a, briquetting 5 about both ends fixedly connected with ratchet two 6, pressure chamber 7 has been seted up to support body 1's inside respectively with cock body one 4, cock body two 8 and cock body three 20's outside looks adaptation, pressure chamber 7's inside gas tightness is good, control gas pressure size through pressure chamber 7 inside gas volume change, pressure chamber 7 bottom left and right sides swing joint has cock body two 8, cock body two 8's middle part articulates there is connecting rod one 9, connecting rod one 9's bottom articulates there is cam 10, cam 10 and gear one 11 are in same axis of rotation, cam 10's axle center transmission is connected with the motor, gear one 11 is incomplete gear, gear one 11 rotates the left and right sides of connecting in support body 1 bottom, support body 1 bottom left and right sides limit connection has rack one 12, through gear one 11's rotation and rack one 12 left side spring elastic force effect make rack one 12 control reciprocating motion about 12 The axis of the cam 10 is fixedly connected with a first gear 11, the lower side of the first gear 11 is engaged and connected with a first rack 12, one side of the first rack 12 close to the center of the frame body 1 is articulated with a second connecting rod 13, the other end of the second connecting rod 13 is articulated with a movable frame 14, the movable frame 14 is in limit connection with the middle part of the frame body 1, the interior of the ventilation disc 15 is hollow, a communicating pipeline is arranged inside the movable frame 14, a connecting rod group 17 is composed of a movable connecting rod and a hinge rod, the movable frame 14 moves up and down through the left and right movement of the first rack 12 and the transmission of the second connecting rod 13, the top end of the movable frame 14 is fixedly connected with the ventilation disc 15, the middle part of the movable frame 14 is elastically connected with a shifting block 16, the inner wall of the bottom part of the movable frame 14 is in transmission connection with a lifting block 18 through the connecting rod group 17, the bottom end of the connecting rod group 17, the stirring block 16 is rotatably connected to the bottom of the movable frame 14, the outside of the ejector pin 22 is matched with the inside of the lifting block 18, the stirring block 16 is pushed open through the lifting block 18 to be communicated with the pressurizing cavity 7 and the inside of the lifting block 18, the gas pressure enables the three plug bodies 20 to drive the ejector pin 22 to press down the surface of a screen, the bottom ends of the left side and the right side of the three plug bodies 20 are elastically connected with a first spring 21, the bottom ends of the three plug bodies 20 are fixedly connected with the ejector pin 22, the air pipe 23 is arranged inside the lifting block 18, and the conveying roller 24 is arranged below the frame body 1.

The working process and principle are as follows: before the screen compressive resistance is detected, the downward pressure is adjusted according to the screen material, a pressing block 5 is in limit connection based on the top of a frame body 1, a ratchet plate 2 is elastically connected to the inner wall of the top of the frame body 1, a ratchet I3 is elastically connected to the inner portion of the ratchet plate 2, the pressing block 5 is pressed downwards, a plug I4 is fixedly connected to the bottom end of the pressing block 5, the plug I4 is driven to reduce the volume of gas in a pressurizing cavity 7, at the moment, the gas pressure rises, due to the fact that a ratchet II 6 is fixedly connected to the left end and the right end of the pressing block 5, the ratchet II 6 is clamped between the ratchet I3 along with the pressing of the pressing block 5, the height of the pressing block 5 is locked, a motor in shaft center transmission connection with a gear I11 is started, a touch screen is placed on a transmission roller 24 arranged below the frame body 1, the gear I11 rotates, the gear I11 and a cam 10 are located at, the air pressure in the pressurizing cavity 7 is increased, a connecting rod II 13 is hinged to the bottom of the movable frame 14, a rack I12 is connected to the bottom of the frame body 1 in a limiting mode, the rack I12 is driven to reciprocate left and right by matching the spring elastic action of the end portion of the rack I12 along with the rotation of the gear I11 and the meshing connection of the gear I11 and the rack I12, one end, close to the center of the frame body 1, of the rack I12 is in transmission connection with the movable frame 14 through the connecting rod II 13 to enable the movable frame 14 to move up and down, the inner wall of the bottom of the movable frame 14 is in transmission connection with a lifting block 18 through a connecting rod group 17, a tensioning roller 19 is abutted to the surface of a screen along with the lifting block 18, the connecting rod group 17 contracts to enable the lifting block 18 to move up and push away from a shifting block 16, the shifting block 16 is far away from an air pipe 23 communicating the movable frame 14 and the lifting block, the elastic force effect of cooperation spring one 21 makes thimble 22 push down the press contact screen surface, rely on the effect of gas pressure screen down when reaching the pushing down, prevent that rigid contact from directly damaging the screen surface, gear one 11 continues the rotation, cooperation connecting rod one 9 effect cock body two 8 keeps away from cock body one 4 gradually, the inside atmospheric pressure in pressurization chamber 7 reduces this moment, gas pressure reduces, the transmission of cooperation rack one 12 and connecting rod two 13 simultaneously, elevator 18 drives thimble 22 and keeps away from the screen surface, along with the conveying of transfer roller 24 and gear one 11 rotates the detection of continuation next screen surface, improve equipment's practicality.

In conclusion, this check out test set based on atmospheric pressure regulation screen compressive resistance, top limit connection through support body 1 has briquetting 5, adjust the holding down force according to the screen material, press briquetting 5 to drive cock body 4 and change the inside gas volume in pressurization chamber 7, gas pressure rises, two 6 joints of ratchet are between ratchet 3 simultaneously, the height of locking briquetting 5, along with the motor that 11 axle center transmissions of gear are connected rotates, cam 10 normal running fit connecting rod 9 transmission makes cock body two 8 top increase the inside atmospheric pressure in pressurization chamber 7, increase the dynamics that cock body three 20 drove thimble 22 and push down, thereby reach the effect based on gas volume change adjusting device holding down force, improve equipment's practicality.

And, this check out test set based on screen compressive resistance is adjusted to atmospheric pressure, it has connecting rod two 13 to articulate through the bottom of adjustable shelf 14, along with the left and right reciprocating motion of rack one 12, adjustable shelf 14 reciprocates, the inner wall of adjustable shelf 14 bottom is connected with elevator 18 through the transmission of linkage 17, along with elevator 18 lower tension roll 19 supports on the screen surface, linkage 17 shrink makes elevator 18 go up the top and open and dial the moving block 16 simultaneously, pressurize the inside and communicate with the inside gas circuit of elevator 18 of chamber 7, pressurize the inside gas pressure of chamber 7 and push down cock body three 20, the elastic force of cooperation spring one 21, make thimble 22 push down the contact screen surface, thereby reach the effect of relying on gas pressure to push down the screen when pushing down, prevent rigid contact from directly damaging the screen surface.

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 check out test set based on screen compressive resistance is adjusted to atmospheric pressure, includes support body (1), its characterized in that: the top of the rack body (1) is movably connected with a ratchet plate (2), the inner part of the ratchet plate (2) is elastically connected with a ratchet I (3), the inner part of the top of the rack body (1) is movably connected with a plug body I (4), the top end of the plug body I (4) is fixedly connected with a pressing block (5), the left end and the right end of the pressing block (5) are fixedly connected with a ratchet II (6), a pressurizing cavity (7) is formed in the rack body (1), the left side and the right side of the bottom of the pressurizing cavity (7) are movably connected with a plug body II (8), the middle of the plug body II (8) is hinged with a connecting rod I (9), the bottom end of the connecting rod I (9) is hinged with a cam (10), the axle center of the cam (10) is fixedly connected with a gear I (11), the lower side of the gear I (11) is meshed with a rack I (12), one side, close to the center of the, the other end of connecting rod two (13) articulates there is adjustable shelf (14), the top fixedly connected with aeration dish (15) of adjustable shelf (14), the middle part elastic connection of adjustable shelf (14) has and dials movable block (16), the inner wall of adjustable shelf (14) bottom is connected with elevator (18) through linkage (17) transmission, the bottom of linkage (17) is rotated and is connected with tensioning roller (19), the inside swing joint of elevator (18) has cock body three (20), the bottom elasticity of the three (20) left and right sides of cock body even is connected with spring (21), the bottom fixedly connected with thimble (22) of cock body three (20), trachea (23) have been seted up to the inside of elevator (18), support body (1) below is provided with transfer roller (24).

2. The detection device for adjusting the screen pressure resistance based on the air pressure as claimed in claim 1, wherein: the inside cavity of support body (1), pressurization chamber (7) have been seted up to the inside of support body (1), the inside in pressurization chamber (7) respectively with the outside looks adaptation of cock body one (4), cock body two (8) and cock body three (20), the inside gas tightness in pressurization chamber (7) is good.

3. The detection device for adjusting the screen pressure resistance based on the air pressure as claimed in claim 1, wherein: the ratchet plate (2) is connected to the top of the frame body (1) in a limiting mode, a pull rod is fixedly connected to one side, away from the center of the frame body (1), of the ratchet plate (2), and a ratchet I (3) is connected to the inner portion of the ratchet plate (2) in a limiting mode.

4. The detection device for adjusting the screen pressure resistance based on the air pressure as claimed in claim 1, wherein: the spacing connection of briquetting (5) is at the top of support body (1), cock body two (8) are around support body (1) central symmetry arrangement, the tip of cam (10) is connected with cock body two (8) through connecting rod (9) transmission.

5. The detection device for adjusting the screen pressure resistance based on the air pressure as claimed in claim 1, wherein: cam (10) and gear (11) are in same rotation axis, the axle center transmission of cam (10) is connected with the motor, gear (11) is incomplete gear, gear (11) rotates the left and right sides of connection in support body (1) bottom, the left and right sides limit connection of support body (1) bottom has rack (12).

6. The detection device for adjusting the screen pressure resistance based on the air pressure as claimed in claim 1, wherein: the adjustable shelf is characterized in that the movable shelf (14) is connected to the middle of the shelf body (1) in a limiting mode, the ventilation disc (15) is hollow, the inside of the movable shelf (14) is provided with a communicating pipeline, and the connecting rod group (17) is composed of a movable connecting rod and a hinge rod.

7. The detection device for adjusting the screen pressure resistance based on the air pressure as claimed in claim 1, wherein: the outer part of the plug body III (20) is matched with the inner part of the lifting block (18), the poking block (16) is rotatably connected to the bottom of the movable frame (14), and the outer part of the ejector pin (22) is matched with the inner part of the lifting block (18).