CN216013097U

CN216013097U - Mobile phone screen test dynamic friction coefficient tester with accurate measurement effect

Info

Publication number: CN216013097U
Application number: CN202122082617.0U
Authority: CN
Inventors: 韩红旗
Original assignee: Hoscien Technology Tianjin Co ltd
Current assignee: Hoscien Technology Tianjin Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-03-11
Anticipated expiration: 2031-08-31

Abstract

The utility model relates to a cell-phone screen test technical field just discloses a cell-phone screen test that measuring effect is accurate is with dynamic coefficient of friction tester, including organism, support column, conveyer belt, support, draw-in groove and force cell sensor, the lower terminal surface and the support column fixed connection of organism, the opening has been seted up to the inside of organism, conveyer belt fixed connection is at the open-ended inner wall, support fixed connection is at the up end of organism, the organism is located the open-ended top and has seted up the spout, draw-in groove sliding connection is at the inner wall of spout, the top of draw-in groove is provided with hold-down mechanism, the fixed force cell sensor that is provided with in inside of draw-in groove. The utility model discloses can make the cell-phone screen carry out the dynamic friction coefficient test under different pressure, can guarantee the test precision simultaneously.

Description

Mobile phone screen test dynamic friction coefficient tester with accurate measurement effect

Technical Field

The utility model relates to a cell-phone screen test technical field especially relates to an accurate cell-phone screen test of measurement effect is with dynamic friction coefficient tester.

Background

The mobile phone screen is also called a display screen and is used for displaying images and colors. The screen size is calculated from the screen diagonal, usually in inches, and refers to the length of the screen diagonal. The screen material is gradually popular with the color screens of mobile phones, and the material of the mobile phone screen is more and more important.

Among the prior art, after the cell-phone screen is produced, need carry out various tests to the cell-phone screen to deal with different service environment, wherein because present cell-phone screen is more and more various, lack the protection simultaneously, need have very accurate test to the coefficient of dynamic friction of cell-phone screen, nevertheless the precision of current equipment can't reach the demand. Therefore, the utility model discloses a mobile phone screen test that measuring effect is accurate is with dynamic friction coefficient tester.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art when the cell-phone screen is produced, need carry out very difficult accurate coefficient of dynamic friction test to the cell-phone screen, however the problem of higher precision can't be reached to current equipment, and the accurate cell-phone screen test of measurement effect that provides uses the coefficient of dynamic friction tester.

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

the utility model provides an accurate cell-phone screen test of measurement effect is with dynamic coefficient of friction tester, includes organism, support column, conveyer belt, support, draw-in groove and side and stands the sensor, the lower terminal surface and the support column fixed connection of organism, the opening has been seted up to the inside of organism, conveyer belt fixed connection is at the open-ended inner wall, support fixed connection is at the up end of organism, the organism is located the open-ended top and has seted up the spout, draw-in groove sliding connection is at the inner wall of spout, the top of draw-in groove is provided with hold-down mechanism, the inside of draw-in groove is fixed and is provided with force cell.

Preferably, hold-down mechanism includes pivot, cam, fixed pipe, piston rod and slider, the pivot is rotated and is connected in the inside of support, cam fixed connection is on the axle wall of pivot, the spout has been seted up to the lateral wall of cam, the inner wall and the slider sliding connection of spout, the lower terminal surface and the piston rod fixed connection of slider, the tip of piston rod extends to the inside of fixed pipe, fixed pipe fixed connection is at the up end of draw-in groove.

Preferably, the pressing mechanism comprises a pressing rod, a rotating drum, a thread strip, a spring and a rotating disc, the pressing rod is fixedly connected to the upper end face of the clamping groove, the rotating disc is rotatably connected to the inner wall of the support, the thread strip is fixedly connected to the drum wall of the rotating drum, the inner wall of the rotating disc is in threaded connection with the thread strip, the pressing rod is slidably connected to the inner wall of the rotating drum, the upper end face of the pressing rod is fixedly connected with the spring, and the upper end of the spring is fixedly connected to the inner wall of the rotating drum.

Preferably, the other end of the rotating shaft extends to the outer side of the support and is fixedly connected with the first rotating handle, a first scale mark is arranged on the rod wall of the piston rod, a sealing plug is fixedly connected to the lower end face of the piston rod, and the sealing plug is slidably connected to the inside of the fixed pipe.

Preferably, the connection of the machine body and the support is provided with an arc surface matched with the cam, and the side wall of the cam is arranged on the side wall of the arc surface in a sliding manner.

Preferably, the support is located above the rotary table and provided with an opening, the upper end face of the rotary table is fixedly connected with a second rotating handle, and a second scale mark is arranged on the rod wall of the pressing rod.

Preferably, the inner wall of the clamping groove is provided with a clamping interface, and the lower end face of the clamping groove is in contact with the surface of the conveying belt.

Compared with the prior art, the utility model provides an accurate cell-phone screen test of measurement effect is with dynamic friction coefficient tester possesses following beneficial effect:

1. this test of cell-phone screen of measurement effect is with dynamic friction coefficient tester drives the pivot through first turning handle and rotates to can drive the cam and rotate, the cam rotates and drives the slider and slide along the spout of cam lateral wall, then promote the piston rod and push down along the inner wall of fixed pipe, because the tip fixedly connected with sealing plug of piston rod, so the piston rod moves down and promotes the inside gas of compression fixed pipe, thereby can make the inside atmospheric pressure increase of fixed pipe can promote the draw-in groove and compress tightly downwards.

2. This test of cell-phone screen of measurement effect is with dynamic friction coefficient tester rotates along the carousel through with the second turning handle, drives the screw thread strip that the rotary drum machine was fixed at the rotary drum lateral wall and reciprocates along the inside of carousel to make the spring compress tightly, can provide pressure to the depression bar, the rotary drum displacement difference can make the pressure effect different.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can make the cell-phone screen carry out the dynamic friction coefficient test under different pressure, can guarantee the test precision simultaneously.

Drawings

Fig. 1 is a schematic structural view of a dynamic friction coefficient tester for a mobile phone screen test, which is provided by the utility model and has accurate measurement effect;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a side view of the structure of the dynamic friction coefficient tester for the mobile phone screen test, which is provided by the utility model and has accurate measurement effect;

fig. 4 is the utility model provides a mobile phone screen test that measurement effect is accurate is with the structural schematic diagram of another kind of embodiment of dynamic friction coefficient tester.

In the figure: the device comprises a machine body 1, supporting columns 2, a transmission belt 3, a support 4, a clamping groove 5, a first rotating handle 6, a rotating shaft 7, a cam 8, a fixed pipe 9, a piston rod 10, a sliding block 11, a sealing plug 12, a pressure rod 13, a rotating cylinder 14, a threaded strip 15, a spring 16, a rotating disc 17, a second rotating handle 18 and a force sensor 19.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-3, a dynamic friction coefficient tester with accurate measurement effect for mobile phone screen test comprises a machine body 1, a support column 2, a conveyor belt 3, a support 4, a clamping groove 5 and a force measuring sensor 19, wherein the lower end surface of the machine body 1 is fixedly connected with the support column 2, an opening is arranged in the machine body 1, the conveyor belt 3 is fixedly connected with the inner wall of the opening, the support 4 is fixedly connected with the upper end surface of the machine body 1, a chute is arranged above the opening of the machine body 1, the clamping groove 5 is slidably connected with the inner wall of the chute, a pressing mechanism is arranged above the clamping groove 5, the pressing mechanism comprises a rotating shaft 7, a cam 8, a fixed pipe 9, a piston rod 10 and a slide block 11, the rotating shaft 7 is rotatably connected with the inside of the support 4, the cam 8 is fixedly connected with the shaft wall of the rotating shaft 7, a chute is arranged on the side wall of the cam 8, the inner wall of the chute is slidably connected with the slide block 11, and the lower end surface of the slide block 11 is fixedly connected with the piston rod 10, the tip of piston rod 10 extends to the inside of fixed pipe 9, fixed pipe 9 fixed connection is at the up end of draw-in groove 5, the other end of pivot 7 extend to the outside of support 4 and with first pivot 6 fixed connection, be provided with first scale mark on the pole wall of piston rod 10, the lower terminal surface fixedly connected with sealing plug 12 of piston rod 10, sealing plug 12 sliding connection is in the inside of fixed pipe 9, organism 1 is provided with the cambered surface with cam 8 assorted with the junction of support 4, cam 8's lateral wall slides and sets up the lateral wall at the cambered surface, the inner wall of draw-in groove 5 is provided with the joint mouth, the lower terminal surface of draw-in groove 5 sets up with the surface contact of conveyer belt 3, the fixed dynamometry sensor 19 that is provided with in inside of draw-in groove 5.

In the utility model, when in use, the mobile phone screen can be clamped through the clamping groove 5, then the driving belt 3 is opened to test the dynamic friction of the mobile phone screen, the rotating shaft 7 is driven to rotate through the first rotating handle 6, thereby driving the cam 8 to rotate, the cam 8 rotates to drive the slide block 11 to slide along the slide groove on the side wall of the cam 8, then the piston rod 10 is pushed to press down along the inner wall of the fixed tube 9, because the end of the piston rod 10 is fixedly connected with the sealing plug 12, the piston rod 10 moves downwards to push and compress the gas in the fixed tube 9, so that the gas pressure in the fixed tube 9 can be increased to push the clamping groove to press downwards, thereby increasing the pressure of the card slot on the mobile phone screen, the force measuring sensor 19 can sense the pressure, therefore, the dynamic friction can be calculated conveniently, the first rotating handle 6 is rotated continuously, and a plurality of dynamic friction coefficients of the cam 8 under the pressure of the clamping groove 5 on the mobile phone screen at different angles can be calculated quickly.

Example 2

Referring to fig. 4, a dynamic friction coefficient tester with accurate measurement effect for mobile phone screen test, comprising a machine body 1, a support column 2, a conveyor belt 3, a support 4, a clamping groove 5 and a force measuring sensor 19, wherein the lower end surface of the machine body 1 is fixedly connected with the support column 2, an opening is arranged in the machine body 1, the conveyor belt 3 is fixedly connected with the inner wall of the opening, the support 4 is fixedly connected with the upper end surface of the machine body 1, a chute is arranged above the opening of the machine body 1, the clamping groove 5 is slidably connected with the inner wall of the chute, a pressing mechanism is arranged above the clamping groove 5, the pressing mechanism comprises a pressing rod 13, a rotary drum 14, a threaded strip 15, a spring 16 and a rotary table 17, the pressing rod 13 is fixedly connected with the upper end surface of the clamping groove 5, the rotary table 17 is rotatably connected with the inner wall of the support 4, the threaded strip 15 is fixedly connected with the cylindrical wall of the rotary drum 14, the inner wall of the rotary table 17 is in threaded connection with the threaded strip 15, the pressing rod 13 is slidably connected with the inner wall of the rotary drum 14, the upper end face of the pressing rod 13 is fixedly connected with the spring 16, the upper end of the spring 16 is fixedly connected to the inner wall of the rotary drum 14, the support 4 is located above the rotary table 17 and is provided with an opening, the upper end face of the rotary table 17 is fixedly connected with a second rotary handle 18, second scale marks are arranged on the rod wall of the pressing rod 13, the inner wall of the clamping groove 5 is provided with a clamping interface, the lower end face of the clamping groove 5 is in contact with the surface of the conveyor belt 3, and the clamping groove 5 is fixedly provided with a force measuring sensor 19.

The utility model discloses in, during the use, can block the cell-phone screen through draw-in groove 5, then open the dynamic friction that drive belt 3 can test the cell-phone screen, through rotating second turning handle 18 along carousel 17, it reciprocates along the inside of carousel 17 to drive 14 machines of rotary drum to fix the screw thread strip 15 at 14 lateral walls of rotary drum, thereby make spring 16 compress tightly, can provide pressure to depression bar 13, thereby can increase the pressure of draw-in groove to the cell-phone screen, force cell sensor 19 is through the response to pressure, thereby be convenient for calculate dynamic friction.

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 mobile phone screen test that measurement effect is accurate is with coefficient of kinetic friction tester, includes organism (1), support column (2), conveyer belt (3), support (4), draw-in groove (5) and force cell sensor (19), its characterized in that: the utility model discloses a novel motor vehicle engine, including organism (1), support column (2), opening, conveyer belt (3), support (4), organism (1), draw-in groove (5), clamping groove (5) sliding connection, the top of draw-in groove (5) is provided with hold-down mechanism, the inside of organism (1) is seted up the opening, conveyer belt (3) fixed connection is at the open-ended inner wall, support (4) fixed connection is at the up end of organism (1), organism (1) is located the open-ended top and has seted up the spout, the inside of draw-in groove (5) is fixed and is provided with force cell sensor (19).

2. The dynamic friction coefficient tester with accurate measurement effect for the mobile phone screen test according to claim 1, is characterized in that: hold-down mechanism includes pivot (7), cam (8), fixed pipe (9), piston rod (10) and slider (11), pivot (7) rotate the inside of connecting at support (4), cam (8) fixed connection is on the axle wall of pivot (7), the spout has been seted up to the lateral wall of cam (8), the inner wall and the slider (11) sliding connection of spout, the lower terminal surface and piston rod (10) fixed connection of slider (11), the tip of piston rod (10) extends to the inside of fixed pipe (9), fixed pipe (9) fixed connection is at the up end of draw-in groove (5).

3. The dynamic friction coefficient tester with accurate measurement effect for the mobile phone screen test according to claim 1, is characterized in that: the pressing mechanism comprises a pressing rod (13), a rotary drum (14), a threaded strip (15), a spring (16) and a rotary disc (17), wherein the pressing rod (13) is fixedly connected to the upper end face of the clamping groove (5), the rotary disc (17) is rotatably connected to the inner wall of the support (4), the threaded strip (15) is fixedly connected to the drum wall of the rotary drum (14), the inner wall of the rotary disc (17) is in threaded connection with the threaded strip (15), the pressing rod (13) is slidably connected to the inner wall of the rotary drum (14), the upper end face of the pressing rod (13) is fixedly connected with the spring (16), and the upper end of the spring (16) is fixedly connected to the inner wall of the rotary drum (14).

4. The dynamic friction coefficient tester with accurate measurement effect for the mobile phone screen test according to claim 2, is characterized in that: the other end of pivot (7) extends to the outside of support (4) and with first change handle (6) fixed connection, be provided with first scale mark on the pole wall of piston rod (10), the lower terminal surface fixedly connected with sealing plug (12) of piston rod (10), sealing plug (12) sliding connection is in the inside of fixed pipe (9).

5. The dynamic friction coefficient tester with accurate measurement effect for the mobile phone screen test according to claim 2, is characterized in that: the connecting part of the machine body (1) and the support (4) is provided with an arc surface matched with the cam (8), and the side wall of the cam (8) is arranged on the side wall of the arc surface in a sliding mode.

6. The dynamic friction coefficient tester with accurate measurement effect for the mobile phone screen test according to claim 3, is characterized in that: the support (4) is located the top of carousel (17) and has seted up the opening, the up end fixedly connected with second turning handle (18) of carousel (17), be provided with the second scale mark on the pole wall of depression bar (13).

7. The dynamic friction coefficient tester with accurate measurement effect for the mobile phone screen test according to claim 1, is characterized in that: the inner wall of draw-in groove (5) is provided with the joint mouth, the lower terminal surface of draw-in groove (5) sets up with the surface contact of conveyer belt (3).