CN215179298U

CN215179298U - Handheld curling test fixture for flexible screen

Info

Publication number: CN215179298U
Application number: CN202120976894.3U
Authority: CN
Inventors: 蔡俊良
Original assignee: Kunshan Youzuan Precision Equipment Co ltd
Current assignee: Kunshan Youzuan Precision Equipment Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-12-14
Anticipated expiration: 2031-05-10

Abstract

The utility model discloses a handheld test fixture that curls of flexible screen, include: the scroll mechanism, the scroll cloth connected with the scroll mechanism, and the clamping block which is arranged at one end of the scroll cloth and used for clamping the flexible screen; the reel mechanism includes: the reel comprises a reel shell, a connecting shaft and a tooth-shaped braking mechanism, wherein the connecting shaft is arranged in the reel shell and can rotate; the scroll cloth is arranged on the outer surface of the connecting shaft, and when the connecting shaft rotates, the outer surface of the connecting shaft curls the flexible screen on the scroll cloth and detects the electrical parameters of the internal circuit of the display original of the flexible screen; the tooth-shaped brake mechanism comprises a gear connected with the connecting shaft and a button arranged on the upper surface of the scroll casing, and the button can be abutted against and separated from the gear. The gear in the tooth-shaped braking mechanism is controlled by the button, so that the rotation or stop of the torsion rotating shaft can be controlled, and the reel cloth with a certain length can be pulled out from the reel mechanism by the holding block and fixed. The test fixture is small in size, light in weight, convenient to carry and capable of displaying the effect of the flexible screen at any time.

Description

Handheld curling test fixture for flexible screen

Technical Field

The utility model relates to a flexible screen test technical field especially relates to handheld test fixture that curls of flexible screen.

Background

The flexible screen is a flexible display screen and is mainly made of flexible materials. Flexible screens are widely used in portable devices due to their advantages of being light weight, not fragile, and deformable. Since the bending performance of the flexible screen directly affects the quality of the flexible display, the bending times of the flexible screen or the flexible internal circuit needs to be tested in the research and development and production processes. The existing curling test is a large curling machine and cannot be carried about and displayed outdoors.

In view of this, it is necessary to improve a curling test fixture in the prior art to solve the problems that the curling test fixture in the prior art is large in size, difficult to carry and incapable of displaying a flexible screen at any time.

Disclosure of Invention

The utility model overcomes prior art's is not enough, provides the handheld test fixture that curls of flexible screen.

In order to achieve the above purpose, the utility model adopts the technical scheme that: handheld test fixture that curls of flexible screen, its characterized in that, test fixture includes: the scroll mechanism is connected with scroll cloth and a clamping block which is arranged at one end of the scroll cloth and is used for clamping the flexible screen;

the reel mechanism includes: the reel comprises a reel shell, a connecting shaft and a tooth-shaped braking mechanism, wherein the connecting shaft is arranged in the reel shell and can rotate;

the scroll cloth is arranged on the outer surface of the connecting shaft, and when the connecting shaft rotates, the outer surface of the connecting shaft curls the flexible screen on the scroll cloth and detects the electrical parameters of the internal circuit of the flexible screen display element;

the tooth-shaped braking mechanism comprises a gear connected with the connecting shaft and a button arranged on the upper surface of the reel shell, and the button can be tightly pressed against and separated from the gear;

the clamping blocks can be used for pulling out a certain length of the scroll cloth from the scroll mechanism and fixing the scroll cloth.

In a preferred embodiment of the present invention, the two ends of the reel housing are respectively connected to the connecting shaft through a micro bearing and a tooth-shaped braking mechanism.

In a preferred embodiment of the present invention, the connecting shaft is a hollow cylindrical structure, and a torsion shaft is fixedly connected to an end of the connecting shaft, and the torsion shaft can drive the connecting shaft to rotate.

In a preferred embodiment of the present invention, the tooth-shaped braking mechanism is fixedly connected to the torsion shaft.

In a preferred embodiment of the invention, the button is connected to the reel housing by a bolt, and the button can rotate around the bolt.

In a preferred embodiment of the present invention, when the button is in a free state, the button can abut against the gear and block the rotation of the gear and the coupling shaft.

In a preferred embodiment, when the button is manually depressed, the button rotates about the pin, and the button is disengaged from the gear.

In a preferred embodiment of the present invention, the tooth-shaped braking mechanism and the torsion shaft are integrated.

In a preferred embodiment of the present invention, the reel mechanism is detachably connected.

In a preferred embodiment of the present invention, the reel housing is made of engineering plastic.

The utility model provides a defect that exists among the background art, the utility model discloses possess following beneficial effect:

(1) the utility model provides a crimping test fixture, this crimping test fixture are applicable to flexible screen crimping test and show, utilize the torsion pivot at crimping test fixture center to realize crimping flexible screen and detect flexible screen display original paper inner line electricity parameter.

(2) The utility model discloses profile of tooth arrestment mechanism and torsion pivot fixed connection, through the gear among the button control profile of tooth arrestment mechanism, can control the rotation of torsion pivot or stop, and then realize holding the piece and can follow the reel cloth of drawing out certain length in the reel mechanism and fix, can demonstrate the flexible screen effect of equidimension at any time.

(3) The utility model discloses the spool casing is engineering plastic material, and is small, light in weight, conveniently carries, and spool mechanism can dismantle the connection, convenient maintenance.

Drawings

The present invention will be further explained with reference to the drawings and examples;

fig. 1 is a schematic perspective view of a flexible screen handheld curling test fixture according to a preferred embodiment of the present invention in a pulled-out state;

fig. 2 is a schematic structural diagram of the disassembled handheld curling test fixture for the flexible screen according to the preferred embodiment of the present invention;

fig. 3 is a schematic perspective view of a reel housing according to a preferred embodiment of the present invention;

fig. 4 is a schematic perspective view of a micro-bearing according to a preferred embodiment of the present invention;

FIG. 5 is a perspective view of the coupling shaft of the preferred embodiment of the present invention;

fig. 6 is a schematic perspective view of a torque shaft and a tooth-shaped braking mechanism according to a preferred embodiment of the present invention;

FIG. 7 is a schematic view of the button and gear position relationship of the preferred embodiment of the present invention;

fig. 8 is a schematic perspective view of the flexible screen handheld curling test fixture according to the preferred embodiment of the present invention in a retracted state;

in the figure: 1. the flexible screen is held by a curling test fixture; 2. a reel mechanism; 21. a reel housing; 22. a micro-bearing; 23. a connecting shaft; 24. a torsion shaft; 25. a tooth-shaped braking mechanism; 251. a gear; 252. a button; 253. a bolt; 3. rolling shaft cloth; 31. a flexible screen; 4. and (4) clamping the block.

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and illustrate, by way of illustration only, the basic structure of the invention, and which therefore show only the constituents relevant to the invention.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.

As shown in fig. 1, the utility model discloses a handheld test fixture 1 that curls of flexible screen's spatial structure sketch map is shown. The curling test fixture is suitable for curling test and display of the flexible screen 31, and the curling of the flexible screen 31 is realized by utilizing the torsion rotating shaft 24 at the center of the curling test fixture, and the electric parameters of the internal circuit of the original display of the flexible screen 31 are detected. This test fixture includes: the flexible screen comprises a scroll mechanism 2, scroll cloth 3 connected with the scroll mechanism 2, and a clamping block 4 arranged at one end of the scroll cloth 3 and used for clamping the flexible screen 31. The scroll cloth 3 is installed on the outer surface of the connecting shaft 23, and when the connecting shaft 23 rotates, the outer surface of the connecting shaft 23 winds the flexible screen 31 on the scroll cloth 3 and detects that the flexible screen 31 displays the electrical parameters of the internal circuit of the original.

As shown in fig. 2, the structure diagram of the flexible screen handheld curling test fixture 1 of the present invention is shown. Wherein reel mechanism 2 includes: a reel housing 21, a coupling shaft 23 rotatably mounted in the reel housing 21, and a tooth-shaped brake mechanism 25 connected to the coupling shaft 23.

As shown in fig. 3, the scroll casing 21 is a rectangular parallelepiped, a cylindrical groove is provided inside the scroll casing 21 for mounting the connecting shaft 23 and the rolled scroll cloth 3, and a T-shaped groove is further provided on one side of the scroll casing 21 for allowing the holding block 4 to be exactly located in the T-shaped groove when the flexible screen 31 is rolled completely when the flexible screen 31 is rolled.

The two ends of the scroll casing 21 are respectively connected with a connecting shaft 23 through a miniature bearing 22 and a tooth-shaped braking mechanism 25. As shown in fig. 4, the micro bearing 22 is provided on the side of the coupling shaft 23.

As shown in fig. 5, the connecting shaft 23 is a hollow cylindrical structure, a torsion rotating shaft 24 is fixedly connected inside one end of the connecting shaft 23, and the torsion rotating shaft 24 can drive the connecting shaft 23 to rotate.

As shown in fig. 6, the torque shaft 24 and the tooth-shaped braking mechanism 25 are fixedly connected or manufactured as an integrated structure, so that the torque shaft 24 and the tooth-shaped braking mechanism 25 can be braked or rotated simultaneously.

As shown in fig. 7, the tooth-shaped brake mechanism 25 includes a gear 251 connected to the coupling shaft 23, and a button 252 provided on an upper surface of the spool case 21, the button 252 being capable of abutting against and separating from the gear 251. Button 252 is connected to spool housing 21 by a latch 253, and button 252 is able to rotate about latch 253. When the button 252 is in a free state, the button 252 can abut against the gear 251 and block the rotation of the gear 251 and the connecting shaft 23. When button 252 is manually depressed, button 252 rotates about latch 253 and button 252 disengages gear 251. A certain length of the spool cloth 3 can be pulled out from the reel mechanism 2 by the holding block 4 and fixed. The certain length here refers to a range of lengths where the flexible screen 31 is not rolled up to a full rolling of the flexible screen 31.

As shown in fig. 8, the utility model discloses the handheld test fixture 1 that curls of flexible screen is shown and is withdrawed the spatial structure schematic diagram under the state. In this state, the button 252 abuts against the gear 251, and the flexible screen 31 cannot be pulled out, and needs to be retracted after the button 252 is pressed. The scroll casing 21 is made of engineering plastic materials, is small in size, light in weight and convenient to carry, and the scroll mechanism 2 can be detached and connected and is convenient to maintain.

To sum up, the utility model discloses profile of tooth arrestment mechanism 25 and torque pivot 24 fixed connection, through gear 251 among the button 252 control profile of tooth arrestment mechanism 25, can control the rotation of torque pivot 24 or stop, and then realize holding the piece and can follow the spool cloth 3 of drawing out certain length in the spool mechanism 2 and fix, can demonstrate not flexible screen 31 effect of equidimension at any time.

When the utility model is used, the button 252 is pressed, the button 252 rotates around the bolt 253, the button 252 is separated from the gear 251, the torque rotating shaft 24 rotates to drive the connecting shaft 23 and the tooth-shaped brake mechanism 25 to rotate, the outer surface of the connecting shaft 23 curls the flexible screen 31 on the scroll cloth 3, and the flexible screen 31 is detected to display the electrical parameters of the internal circuit of the original; when the curling or the full curling needs to be stopped, the button 252 is pressed again, so that the button 252 rotates to a free state, the button 252 can abut against the gear 251 and block the rotation of the gear 251 and the connecting shaft 23, and the rotation of the connecting shaft 23 is stopped; at this time, the clamping block 4 cannot pull the flexible screen 31; when the flexible screen 31 needs to be pulled, the button 252 is pressed again to release the tight state, and the connecting shaft 23 can be rotated reversely or the clamping block 4 is pulled manually.

In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. Handheld test fixture that curls of flexible screen, its characterized in that, test fixture includes: the scroll mechanism is connected with scroll cloth and a clamping block which is arranged at one end of the scroll cloth and is used for clamping the flexible screen;

2. The handheld curling test fixture of flexible screen according to claim 1, wherein: and two ends of the reel shell are respectively connected with the connecting shaft through a miniature bearing and a tooth-shaped braking mechanism.

3. The handheld curling test fixture of flexible screen according to claim 1, wherein: the connecting shaft is of a hollow cylindrical structure, a torsion rotating shaft is fixedly connected to the inner portion of one end of the connecting shaft, and the torsion rotating shaft can drive the connecting shaft to rotate.

4. The handheld curling test fixture of flexible screen according to claim 3, wherein: the tooth-shaped braking mechanism is fixedly connected with the torsion rotating shaft.

5. The handheld curling test fixture of flexible screen according to claim 1, wherein: the button passes through bolt connection spool casing, the button can wind the bolt is rotatory.

6. The handheld curling test fixture of flexible screen according to claim 1, wherein: when the button is in a free state, the button can tightly abut against the gear and block the rotation of the gear and the connecting shaft.

7. The handheld curling test fixture of flexible screen of claim 5, wherein: when the button is manually pressed, the button rotates around the bolt, and the button is separated from the gear.

8. The handheld curling test fixture of flexible screen according to claim 3, wherein: the tooth-shaped braking mechanism and the torsion rotating shaft are of an integrated structure.

9. The handheld curling test fixture of flexible screen according to claim 1, wherein: the reel mechanism can be detachably connected.

10. The handheld curling test fixture of flexible screen according to claim 1, wherein: the reel shell is made of engineering plastic materials.