CN211554090U - Cam-type probe jig for testing touch screen - Google Patents
Cam-type probe jig for testing touch screen Download PDFInfo
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- CN211554090U CN211554090U CN201922460526.9U CN201922460526U CN211554090U CN 211554090 U CN211554090 U CN 211554090U CN 201922460526 U CN201922460526 U CN 201922460526U CN 211554090 U CN211554090 U CN 211554090U
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Abstract
The utility model discloses a cam-type probe tool for testing touch-sensitive screen, including frame, bottom plate and probe needle, the vertical frame of installing in top of bottom plate, and the intermediate position department of the inside bottom of frame transversely installs the slipmat, the stopper is all installed to the both sides of the inside bottom of frame, and the intermediate position department of the inside upper end of frame is provided with the eccentric wheel, the inside diaphragm that transversely is provided with of frame of eccentric wheel below, and the intermediate position department of diaphragm bottom installs first mounting groove, the intermediate position department of fly leaf bottom installs the second mounting groove, the inside vertical probe needle that extends to the first mounting groove outside that is provided with of recess. The utility model discloses a set up fixed plate and threaded rod in the inside both sides of second mounting groove, through rotating the threaded rod for the fixed plate removes in opposite directions or removes dorsad, thereby realizes dismantling fast and change the probe, saves the change time, improves work efficiency.
Description
Technical Field
The utility model relates to a tool technical field specifically is a cam-type probe jig for testing touch-sensitive screen.
Background
With the improvement of living standards of people, the concept of people is also changed, the requirements on touch products are continuously improved, and in order to solve the functional problems of the touch products, the delivered touch screens need to be repeatedly and specially tested, so that a device is needed for auxiliary testing, but the existing cam type probe jig for testing the touch screens has many problems or defects.
First, the conventional cam-type probe jig for testing the touch screen does not have a function of fixing the touch screen conveniently, and the touch screen may slide during the test process, thereby affecting the measurement result.
Second, the conventional cam-type probe jig for testing the touch screen does not facilitate replacement of the probe pin module, and the probe pin is thin and fragile and is easily damaged, so that the probe pin module needs to be frequently replaced.
Thirdly, the conventional cam-type probe jig for testing the touch screen has no buffer and auxiliary probe pin structure, the touch screen is easily damaged due to excessive downward pressure, and the probe pins are easily deviated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cam-type probe tool for testing touch-sensitive screen to solve the fixed touch-sensitive screen of being not convenient for that proposes in the above-mentioned background art, be not convenient for change probe and probe do not have buffering and unsafe problem.
In order to achieve the above object, the utility model provides a following technical scheme: a cam-type probe jig for testing a touch screen comprises a rack, a bottom plate and probe needles, wherein the top end of the bottom plate is vertically provided with the rack, an anti-skid pad is transversely arranged at the middle position of the bottom end inside the rack, two sides of the bottom end inside the rack are respectively provided with a limiting block, an eccentric wheel is arranged at the middle position of the upper end inside the rack, a transverse plate is transversely arranged inside the rack below the eccentric wheel, a first mounting groove is arranged at the middle position of the bottom end of the transverse plate, sliding grooves are respectively arranged at the upper ends of the two sides inside the first mounting groove, a movable plate is transversely arranged between the sliding grooves through a sliding block matched with the sliding grooves, a second mounting groove is arranged at the middle position of the bottom end of the movable plate, a groove is arranged at the middle position of the top end inside the second mounting groove, the upper end of one side of the rack is provided with a control panel, the middle position of the upper end of the back of the rack is provided with a motor, and the output end of the motor is connected with the back of the eccentric wheel.
Preferably, the middle position department of the inside both sides of frame all vertically is provided with the slide bar, and the lower extreme on slide bar surface all twines first spring, the slide bar outside on first spring top all is provided with the movable block, and the movable block is close to diaphragm one end and all welds with the diaphragm.
Preferably, the third spring is evenly installed on the top end inside the first installation groove, and the bottom end of the third spring is in a welding integrated structure with the top end of the movable plate.
Preferably, second mounting groove both sides intermediate position department all transversely is provided with the threaded rod that runs through second mounting groove lateral wall, and the inside second spring that has all twined of the second mounting groove on threaded rod surface, the fixed plate is all installed to the one end of threaded rod, and the shape of fixed plate is "semicircle" shape.
Preferably, the cross bars are transversely installed at the lower ends of two sides in the rack, the limiting rings are installed between the cross bars, and the limiting rings are located under the probe needles.
Preferably, the shape of stopper is "Z" shape, and the stopper top is equal vertical to be provided with the pull rod that runs through the stopper top, fixed suction cup is all installed to the bottom of pull rod, and the pull rod surface on fixed suction cup top all twines has the fourth spring.
Compared with the prior art, the beneficial effects of the utility model are that: this a cam-type probe tool for testing touch-sensitive screen is rational in infrastructure, has following advantage:
(1) the utility model discloses a touch screen, including frame, fixed sucking disc, touch screen, the fixed sucking disc is pressed down to the touch screen surface, through set up slipmat and stopper in the inside bottom of frame, through the pulling pull rod, make fixed sucking disc rise and compress the fourth spring, later arrange the touch screen in the slipmat surface, later loosen the pull rod, under the spring action of fourth spring, make fixed sucking disc push down to the touch screen surface, and utilize the suction of fourth spring elasticity and fixed sucking disc, make the touch screen in the testing process, can not take place to shift, and the slipmat can increase the frictional force with the touch screen, prevent that the touch screen from shifting to influence measuring.
(2) The utility model discloses a probe needle, including the first mounting groove, the second mounting groove, the first mounting groove is equipped with the probe needle, through set up fixed plate and threaded rod in the inside both sides of second mounting groove, when the probe needle is buckled or is damaged, rotatable threaded rod, make the fixed plate remove dorsad, remove the fixed to the probe needle, be convenient for dismantle fast and change the probe needle, save the change time, improve work efficiency, and when the installation, in will surveying the probe needle insertion groove, "arc" shaped's fixed plate, make fixed effect better, and utilize the elasticity of second spring, prevent that the fixed plate extrusion force from too big causing wearing and tearing to the probe needle.
(3) Through at inside fly leaf and the third spring that sets up of first mounting groove, and the inside lower extreme of frame sets up spacing ring and horizontal pole, when the extreme pressure was too big, the fly leaf moves upward and compresses the third spring, utilizes the elasticity of third spring can fine slow down too big holding down force, prevents that too big holding down force from leading to the fact the damage to the touch-sensitive screen through surveying, and spacing ring carries on spacingly when pushing down the probe, prevents that the probe from rocking, influences measurement accuracy.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;
fig. 4 is a schematic side view of the present invention;
fig. 5 is a schematic top view of the second mounting groove of the present invention.
In the figure: 1. a frame; 2. an eccentric wheel; 3. a motor; 4. a transverse plate; 5. a slide bar; 6. a movable block; 7. a first spring; 8. a limiting ring; 9. a base plate; 10. a non-slip mat; 11. a limiting block; 12. a cross bar; 13. a probe pin; 14. a first mounting groove; 15. a second mounting groove; 16. a control panel; 17. a movable plate; 18. a fixing plate; 19. a chute; 20. a slider; 21. a threaded rod; 22. a second spring; 23. a groove; 24. a third spring; 25. fixing the sucker; 26. a fourth spring; 27. a pull rod.
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. 1-5, the present invention provides an embodiment: a cam-type probe jig for testing a touch screen comprises a rack 1, a bottom plate 9 and a probe 13, wherein the rack 1 is vertically installed at the top end of the bottom plate 9, an anti-skid pad 10 is transversely installed at the middle position of the bottom end in the rack 1, and limiting blocks 11 are installed on two sides of the bottom end in the rack 1;
the limiting block 11 is Z-shaped, pull rods 27 penetrating through the top end of the limiting block 11 are vertically arranged at the top end of the limiting block 11, fixed suction cups 25 are mounted at the bottom ends of the pull rods 27, and fourth springs 26 are wound on the surfaces of the pull rods 27 at the top ends of the fixed suction cups 25;
the fixed sucker 25 is lifted and compresses the fourth spring 26 by pulling the pull rod 27, then the pull rod 27 is loosened, the fixed sucker 25 is pressed down to the surface of the touch screen under the action of the elastic force of the fourth spring 26, and the touch screen is prevented from shifting in the test process by utilizing the elastic force of the fourth spring 26 and the suction force of the fixed sucker 25, so that the measurement result is prevented from being influenced;
an eccentric wheel 2 is arranged in the middle of the upper end in the frame 1;
a sliding rod 5 is vertically arranged in the middle of each of two sides in the rack 1, a first spring 7 is wound on the lower end of the surface of each sliding rod 5, a movable block 6 is arranged on the outer side of each sliding rod 5 at the top end of each first spring 7, and one end, close to the transverse plate 4, of each movable block 6 is welded with the transverse plate 4;
through the elastic force action of the first spring 7, the transverse plate 4 slides on the sliding rod 5 through the movable block 6 to recover the original position, so that the next test operation is facilitated;
a transverse plate 4 is transversely arranged in the rack 1 below the eccentric wheel 2, a first mounting groove 14 is arranged in the middle of the bottom end of the transverse plate 4, sliding grooves 19 are formed in the upper ends of two sides of the interior of the first mounting groove 14, and a movable plate 17 is transversely arranged between the sliding grooves 19 through a sliding block 20 which is matched with the sliding grooves 19;
the top end inside the first mounting groove 14 is uniformly provided with a third spring 24, and the bottom end of the third spring 24 and the top end of the movable plate 17 are in a welding integrated structure;
when the lower pressure is too high, the movable plate 17 moves upwards to compress the third spring 24, and the excessive lower pressure can be well relieved by utilizing the elastic force of the third spring 24, so that the touch screen is prevented from being damaged by the excessive lower pressure through the probe 13;
a second mounting groove 15 is mounted at the middle position of the bottom end of the movable plate 17, a groove 23 is formed in the middle position of the top end inside the second mounting groove 15, and a probe 13 extending to the outer side of the first mounting groove 14 is vertically arranged inside the groove 23;
threaded rods 21 penetrating through the side walls of the second mounting groove 15 are transversely arranged in the middle positions of two sides of the second mounting groove 15, second springs 22 are wound in the second mounting groove 15 on the surface of each threaded rod 21, a fixing plate 18 is mounted at one end of each threaded rod 21, and the fixing plate 18 is semicircular;
the fixing plates 18 move oppositely or reversely by rotating the threaded rods 21, so that the probe 13 can be quickly disassembled and replaced, the replacement time is saved, and the working efficiency is improved;
the lower ends of two sides in the rack 1 are transversely provided with cross rods 12, a limiting ring 8 is arranged between the cross rods 12, and the limiting ring 8 is positioned under a probe 13;
the limit of the limit ring 8 on the probe 13 is utilized to prevent the probe 13 from shaking to influence the measurement precision;
the upper end of one side of the frame 1 is provided with a control panel 16, the middle position of the upper end of the back of the frame 1 is provided with a motor 3, the model of the motor 3 can be Y315S-4, the output end of the motor 3 is connected with the back of the eccentric wheel 2, and the single chip microcomputer in the control panel 16 is electrically connected with the motor 3 through a wire.
The working principle is as follows: when the touch screen testing device is used, the pull rod 27 is pulled firstly, so that the fixed suction cup 25 rises and compresses the fourth spring 26, then the touch screen is placed on the surface of the non-slip mat 10, then the pull rod 27 is loosened, the fixed suction cup 25 is pressed down to the surface of the touch screen under the action of the elastic force of the fourth spring 26, and the elastic force of the fourth spring 26 and the suction force of the fixed suction cup 25 are utilized, so that the touch screen cannot shift in the testing process, and the measuring result is prevented from being influenced;
then, the motor 3 is started, so that the eccentric wheel 2 rotates, the transverse plate 4 moves downwards, the movable block 6 slides on the slide rod 5 to compress the first spring 7, the transverse plate 4 moves downwards to drive the first mounting groove 14 and the second mounting groove 15 to move downwards, the limit ring 8 is used for limiting the detection needle 13, the detection needle 13 is prevented from shaking, the measurement precision is prevented from being influenced, when the bottom end of the detection needle 13 contacts the surface of the touch screen, the measurement is started, when the lower pressure is overlarge, the movable plate 17 moves upwards to compress the third spring 24, the overlarge downward pressure can be well relieved by the aid of the elastic force of the third spring 24, and the touch screen is prevented from being damaged by the overlarge downward pressure through the detection needle 13;
then the eccentric wheel 2 continues to rotate, under the action of the elastic force of the first spring 7, the transverse plate 4 slides on the sliding rod 5 through the movable block 6 to recover the original position, next test operation is facilitated, when the probe 13 is bent or damaged, the threaded rod 21 can be rotated, the fixing plate 18 moves back, the fixing of the probe 13 is released, the probe 13 is convenient to rapidly disassemble and replace, the replacement time is saved, the working efficiency is improved, in addition, when the probe 13 is installed, the probe 13 is inserted into the groove 23, the arc-shaped fixing plate 18 is used, the fixing effect is better, the elastic force of the second spring 22 is utilized, the phenomenon that the excessive extrusion force of the fixing plate 18 causes abrasion on the probe 13 is prevented, and the service life of the probe 13 is prolonged.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a cam-type probe tool for testing touch-sensitive screen, includes frame (1), bottom plate (9) and probe (13), its characterized in that: the top end of the bottom plate (9) is vertically provided with a machine frame (1), a non-slip mat (10) is transversely arranged at the middle position of the inner bottom end of the machine frame (1), limiting blocks (11) are arranged on two sides of the inner bottom end of the machine frame (1), an eccentric wheel (2) is arranged at the middle position of the inner upper end of the machine frame (1), a transverse plate (4) is transversely arranged inside the machine frame (1) below the eccentric wheel (2), a first mounting groove (14) is arranged at the middle position of the bottom end of the transverse plate (4), sliding grooves (19) are arranged at the upper ends of two inner sides of the first mounting groove (14), a movable plate (17) is transversely arranged between the sliding grooves (19) through a sliding block (20) matched with the sliding grooves (19), a second mounting groove (15) is arranged at the middle position of the bottom end of the movable plate (17), and a groove (23, the inside vertical probe (13) that extend to first mounting groove (14) outside that is provided with of recess (23), control panel (16) are installed to the upper end of frame (1) one side, and frame (1) back upper end intermediate position department installs motor (3), the output and eccentric wheel (2) back of motor (3) are connected.
2. The cam-type probe jig for testing the touch screen according to claim 1, wherein: the improved structure of the automobile seat is characterized in that sliding rods (5) are vertically arranged in the middle positions of two sides in the rack (1), first springs (7) are wound on the lower ends of the surfaces of the sliding rods (5), movable blocks (6) are arranged on the outer sides of the sliding rods (5) on the top ends of the first springs (7), and one ends, close to transverse plates (4), of the movable blocks (6) are welded with the transverse plates (4).
3. The cam-type probe jig for testing the touch screen according to claim 1, wherein: third spring (24) are evenly installed on the top end inside the first installation groove (14), and the bottom end of the third spring (24) and the top end of the movable plate (17) are in a welding integrated structure.
4. The cam-type probe jig for testing the touch screen according to claim 1, wherein: second mounting groove (15) both sides intermediate position department all transversely is provided with threaded rod (21) that runs through second mounting groove (15) lateral wall, and threaded rod (21) surperficial second mounting groove (15) inside all twines second spring (22), fixed plate (18) are all installed to the one end of threaded rod (21), and the shape of fixed plate (18) is "semicircle" shape.
5. The cam-type probe jig for testing the touch screen according to claim 1, wherein: horizontal pole (12) are all transversely installed to the lower extreme of frame (1) inside both sides, and install spacing ring (8) between horizontal pole (12), spacing ring (8) are located probe (13) under.
6. The cam-type probe jig for testing the touch screen according to claim 1, wherein: the shape of stopper (11) is "Z" shape, and stopper (11) top is equal vertical pull rod (27) that run through stopper (11) top, fixed suction cup (25) are all installed to the bottom of pull rod (27), and pull rod (27) surface on fixed suction cup (25) top all twines fourth spring (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922460526.9U CN211554090U (en) | 2019-12-31 | 2019-12-31 | Cam-type probe jig for testing touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922460526.9U CN211554090U (en) | 2019-12-31 | 2019-12-31 | Cam-type probe jig for testing touch screen |
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| Publication Number | Publication Date |
|---|---|
| CN211554090U true CN211554090U (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922460526.9U Active CN211554090U (en) | 2019-12-31 | 2019-12-31 | Cam-type probe jig for testing touch screen |
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| CN (1) | CN211554090U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113484722A (en) * | 2021-07-06 | 2021-10-08 | 广州弘高科技股份有限公司 | Testing device and testing method for mobile phone PCB |
-
2019
- 2019-12-31 CN CN201922460526.9U patent/CN211554090U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113484722A (en) * | 2021-07-06 | 2021-10-08 | 广州弘高科技股份有限公司 | Testing device and testing method for mobile phone PCB |
| CN113484722B (en) * | 2021-07-06 | 2022-07-08 | 广州弘高科技股份有限公司 | Testing device and testing method for mobile phone PCB |
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