CN213906718U

CN213906718U - Folding structure of mobile phone

Info

Publication number: CN213906718U
Application number: CN202022993598.2U
Authority: CN
Inventors: 谢鹏翔
Original assignee: Xuzhou Stirling Industrial Design Co ltd
Current assignee: Xuzhou Stirling Industrial Design Co ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-08-06
Anticipated expiration: 2030-12-14

Abstract

The utility model discloses a folding structure of a mobile phone, which comprises a mobile phone body, a stretching plate and a pin joint device; the mobile phone body comprises two shells which are movably connected, and the front surfaces of the shells are provided with sliding chutes; the two stretching plates are arranged, the front surfaces of the two stretching plates are used for connecting the flexible screen and are respectively matched in the two sliding grooves in a sliding manner; the two pin joint devices are respectively arranged at two ends of the joint of the two shells so as to pin joint the two shells, the two pin joint devices are respectively in transmission connection with the two stretching plates, and when the shells are unfolded, the pin joint devices drive the stretching plates to move in the sliding grooves so as to separate the stretching plates and stretch the flexible screen. The utility model discloses a set up the spout in the front of casing and be used for assembling the extension sheet, two extension sheets are used for connecting flexible screen, and the pin joint of casing is not only realized to the pin joint device, can drive extension sheet and tensile flexible screen in the casing upset, helps eliminating the crease that forms after the flexible screen is folding, guarantees that flexible screen surfacing improves the screen video picture effect of folding cell-phone.

Description

Folding structure of mobile phone

Technical Field

The utility model relates to a smart mobile phone technology field especially indicates a beta structure of cell-phone.

Background

The folding mobile phone is a breakthrough in the technology of the smart phone, after the flexible screen is adopted, the mobile phone can be reduced in size in a folding mode, is convenient to carry, and compared with a common mobile phone with the same size, the folding mobile phone can have a larger display screen after being unfolded, so that the use requirement of a user on a large screen is met, and the mobile phone has the use experience of a tablet personal computer.

After being folded for a plurality of times, the existing flexible screen is easy to generate a concave or convex crease at the folding position, so that the image displayed in the middle part of the mobile phone screen is distorted, and the user experience is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a folding mechanism of cell-phone can flatten its flexible screen after folding cell-phone expandes, eliminates the crease, avoids influencing the video presentation effect of cell-phone screen.

In order to achieve the above purpose, the solution of the present invention is:

a folding structure of a mobile phone comprises a mobile phone body, a stretching plate and a pin joint device; the front side of the mobile phone body is used for assembling the flexible screen and comprises two shells which are movably connected, and the front side of each shell is provided with a sliding chute; the two stretching plates are arranged, the front surfaces of the two stretching plates are used for connecting the flexible screen and are respectively matched in the sliding grooves of the two shells in a sliding manner; the two pin joint devices are respectively arranged at two ends of the joint of the two shells so that the two shells can be turned over relatively, and are respectively in transmission connection with the two stretching plates.

The pin joint device comprises two pin shafts, a cam, a transmission part, a speed reduction assembly and a clutch plate set; the two pin shafts are respectively pivoted and matched on the two shells; each pin shaft is sleeved with one cam and connected into a whole; the transmission part is pivoted and matched on the shell, one end of the transmission part is in transmission connection with the pin shaft through the speed reducing component, and the other end of the transmission part is in transmission connection with the stretching plate; two ends of the clutch plate set are respectively sleeved on the two pin shafts; when the two shells are turned over relatively, the top ends of the convex parts of the two cams are abutted, so that the cams drive the pin shafts to rotate, and the transmission parts are linked to drive the stretching plate to move in the sliding grooves.

The convex part setting of cam all is provided with first rodent, two first rodent looks interlock of cam makes two the cam synchronous rotation.

The other end of driving medium is provided with the second rodent, the side of tensile board be provided with the rack that the second rodent matches, the second rodent with the rack meshes mutually, so that the rotation of driving medium drives tensile board is in move in the spout.

The clutch plate sets are provided with two sets; the pin joint device further comprises a bearing sheet, one end of the bearing sheet is connected to the side wall of the joint of the shell, the other end of the bearing sheet is sleeved on the pin shaft, two bearing sheets are arranged on each pin shaft, and the bearing sheets and the clutch plate sets are arranged in a staggered mode.

The speed reduction assembly comprises a belt and a speed reduction wheel, and the speed reduction wheel realizes speed reduction connection of the pin shaft to the transmission part through the belt.

The pin joint device further comprises a damping piece, wherein the damping piece is sleeved on the pin shaft and is positioned between the clutch plate group and the shells, so that the slow descending effect when the two shells are relatively overturned is realized.

The pin joint device further comprises a reset assembly, the reset assembly comprises two sliders which are buckled with each other and an elastic piece which is arranged at the buckling position of the two sliders, the two sliders are respectively sleeved on the two pin shafts, and the elastic piece is used for providing elastic force to enable the two sliders to be separated from each other.

And a moving guide structure is arranged between the sliding groove and the stretching plate.

The movable guide structure comprises a straight groove arranged in the sliding groove and a straight plate arranged at the end part of the stretching plate, and the straight plate is matched with the straight groove.

After the technical scheme is adopted, the mobile phone body is designed into two pivoted shells in a split mode, the sliding groove is formed in the front face of the shell and used for assembling the stretching plate, the two stretching plates are used for connecting the flexible screen, the pivoting device not only realizes the pivoting of the shell, but also can drive the stretching plates in a linkage mode when the shell is turned over, so that the flexible screen is stretched, the crease formed after the flexible screen is folded can be eliminated, the surface of the flexible screen is guaranteed to be smooth, and the screen imaging effect of the folding mobile phone is improved; the utility model discloses can realize the positive folding effect of flexible screen, flexible screen hides in the casing after folding, can mention the guard action.

Drawings

FIG. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is an exploded view of an embodiment of the present invention;

FIG. 3 is a perspective view of a pivoting device according to an embodiment of the present invention;

fig. 4 is an exploded view of a pivoting device according to an embodiment of the present invention;

FIG. 5 is a front view of an embodiment of the present invention;

fig. 6 is a side view of an embodiment of the present invention;

fig. 7 is a rear view of an embodiment of the present invention;

FIG. 8 is a perspective view of a folded state of an embodiment of the present invention;

FIG. 9 is a cross-sectional view of a folded state of an embodiment of the present invention (direction A-A in FIG. 5);

FIG. 10 is a cross-sectional view of an embodiment of the present invention in a flat state;

the reference numbers illustrate:

stretching the plate 1; a rack 11; a straight plate 12; a pin joint device 2; a pin 21; a cam 22; a convex portion 221; a first rodent 222; a transmission member 23; a second rodent 231; a speed reduction assembly 24; a belt 241; a speed-reducing wheel 242; a clutch plate set 25; a bearing sheet 26; a damper 27; a reset assembly 28; a slider 281; an elastic member 282; a housing 3; a chute 31; a straight slot 311; and a bump 32.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.

The utility model relates to a folding structure of cell-phone, including cell-phone body, stretching plate 1 and pin joint device 2.

The front face of the mobile phone body is used for assembling a flexible screen and comprises two shells 3 which are movably connected, and the front face of each shell 3 is provided with a sliding chute 31;

the two stretching plates 1 are arranged, the front surfaces of the two stretching plates are used for connecting the flexible screen, and the two stretching plates are respectively matched in the sliding grooves 31 of the two shells 3 in a sliding manner;

the two pin joint devices 2 are respectively arranged at two ends of the joint of the two shells 3, so that the two shells 3 can be turned over relatively, the two pin joint devices 2 are respectively in transmission connection with the two stretching plates 1, and when the two shells 3 are unfolded, the pin joint devices 2 drive the stretching plates 1 to move in the sliding grooves 31, so that the two stretching plates 1 are separated to stretch the flexible screen.

Referring to fig. 1-8, a specific embodiment of the present invention is shown.

The pivoting device 2 comprises two pin shafts 21, a cam 22, a transmission member 23, a speed reducing assembly 24 and a clutch pack 25. The two pin shafts 21 are respectively pivoted and matched on the two shells 3; each pin shaft 21 is sleeved with a cam 22 and connected into a whole; the transmission piece 23 is pivoted and matched on the shell 3, one end of the transmission piece is in transmission connection with the pin shaft 21 through the speed reducing component 24, and the other end of the transmission piece is in transmission connection with the stretching plate 1; two ends of the clutch plate set 25 are respectively sleeved on the two pin shafts 21; when the two shells 3 are turned over relatively, the top ends of the convex parts 221 of the two cams 22 abut against each other, so that the cams 22 drive the pin 21 to rotate, and the linkage transmission member 23 drives the stretching plate 1 to move in the sliding groove 31. The two cams 22 are abutted to each other and can drive the two shells 3 to separate through the pin 21, and in addition, the movement of the stretching plate 1 in the sliding groove 31 drives the parts at two sides of the crease of the flexible screen to be stretched, so that the crease is eliminated. In this embodiment, the connecting portion of the two housings 3 is oppositely provided with a protrusion 32 for assembling the pin 21.

Because the displacement of the stretch board 1 in the in-service use is in the scope of 1~5mm, only lean on one time of a pivot joint device 2 drive stretch board 1 can satisfy the user demand, when the required precision to the stretch board 1 removal is higher, can all set up speed reduction subassembly 24 and driving medium 23 on two round pin axles 21 to make a pivot joint device 2 just can drive the syntropy side of two stretch boards 1.

The convex parts 221 of the cams 22 are provided with first tooth wheels 222, and the first tooth wheels 222 of the two cams 22 are meshed with each other to realize the rotation synchronism of the two cams 22.

The other end of the transmission member 23 is provided with a second engaging member 231, the side of the stretching plate 1 is provided with a rack 11 matched with the second engaging member 231, and the second engaging member 231 is engaged with the rack 11, so that the rotation of the transmission member 23 drives the stretching plate 1 to move in the sliding slot 31.

The function of the clutch pack 25 is mainly to guide the relative movement of the two pins 21 and avoid the offset. In this embodiment, two sets of clutch packs 25 are provided to improve the stability of the relative movement of the pins 21, and the two pins 21 always keep moving relatively in the direction perpendicular to the pins 21 in the process of folding or unfolding the mobile phone; the pivot joint device 2 further includes a bearing sheet 26, one end of the bearing sheet 26 is connected to the side wall of the joint of the housing 3, and the other end of the bearing sheet is sleeved on the pin shaft 21 for sharing the stress of the pin shaft 21.

The deceleration assembly 24 comprises a belt 241 and a deceleration wheel 242, and the deceleration wheel 242 realizes deceleration connection of the pin 21 to the transmission member 23 through the belt 241. In addition, the speed reducing assembly 24 may also include a chain and a speed reducing gear, and the speed reducing gear realizes the speed reducing connection of the pin 21 to the transmission member 23 through the chain.

The pivot joint device 2 further includes a damping member 27, the damping member 27 is sleeved on the pin 21 and located between the clutch plate set 25 and the housing 3 (in this embodiment, the protrusion 32), so as to achieve a slow descending effect when the two housings 3 are turned relatively, that is, the mobile phone can be positioned at any angle according to the use requirement in the folding or unfolding process.

The pivoting device 2 further includes a reset assembly 28, the reset assembly 28 includes two sliders 281 that are fastened to each other, and an elastic member 282 disposed at the fastening position of the two sliders 281, the two sliders 281 are respectively sleeved on the two pins 21, and the elastic member 282 is used for providing an elastic force to separate the two sliders 281 from each other. The spring 282 is compressed to accumulate elastic potential energy when the handset is in the folded position and is released when the handset is unfolded to allow the handset to more easily and quickly return to the unfolded position and remain in place. The shape of the elastic member 282 is shown for illustrative purposes, and in actual assembly, the elastic member 282 may be any elastic member such as a spring, a block with elasticity, etc., and the elastic strength of the elastic member 282 determines whether the mobile phone can be unfolded more quickly.

A moving guide structure is arranged between the sliding groove 31 and the stretching plate 1, the moving guide structure comprises a straight groove 311 arranged in the sliding groove 31 and a straight plate 12 arranged at the end part of the stretching plate 1, and the straight plate 12 is matched with the straight groove 311 so as to ensure that the stretching plate has a unique direction when moving and avoid deviation.

Referring to fig. 8 and 9, the folded state of the present invention is: the front surfaces of the shells 3 (i.e. the front surface of the flexible screen) are turned over towards each other, the convex parts 221 of the cams 22 are separated, the rotation of the cams 22 drives the pin shafts 21 to rotate, and further drives the transmission members 23 to rotate, so that the stretching plate 1 moves in the sliding grooves 31 and is relatively closer to the joint of the two shells 3. The area of the whole mobile phone is reduced by half, and the mobile phone is more convenient to carry.

Referring to fig. 10, the flat state of the present invention is: two casings 3 separate and expand, and the protruding portion 221 of cam 22 offsets and makes each other rotate, and the rotation of cam 22 drives round pin axle 21 and rotates, and then drives driving medium 23 and rotate for drawing board 1 removes in spout 31, and the distance of two drawing boards 1 increases, realizes two drawing boards 1 to the drawing of flexible screen promptly, thereby eliminates the crease.

Through the scheme, the utility model discloses a with the cell-phone body components of a whole that can function independently design into two pin joint casings 3, and set up spout 31 in the front of casing 3 and be used for assembling stretching plate 1, two stretching plates 1 are used for connecting the flexible screen, pin joint device 2 not only realizes the pin joint of casing 3, can link the drive stretching plate 1 when casing 3 overturns, thereby stretch the flexible screen, help eliminating the crease that forms after the folding of flexible screen, guarantee that the flexible screen surface is level, improve the screen video picture effect of folding cell-phone; the utility model discloses can realize the positive folding effect of flexible screen, flexible screen hides in casing 3 after folding, can mention the guard action.

The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.

Claims

1. A folding structure of a mobile phone is characterized in that:

comprises a mobile phone body, a stretching plate and a pin joint device;

the front side of the mobile phone body is used for assembling the flexible screen and comprises two shells which are movably connected, and the front side of each shell is provided with a sliding chute;

the two stretching plates are arranged, the front surfaces of the two stretching plates are used for connecting the flexible screen and are respectively matched in the sliding grooves of the two shells in a sliding manner;

the two pin joint devices are respectively arranged at two ends of the joint of the two shells so that the two shells can be turned over relatively, and are respectively in transmission connection with the two stretching plates.

2. A folding structure of cellular phone according to claim 1, characterized in that:

3. A folding structure of cellular phone according to claim 2, characterized in that:

4. A folding structure of cellular phone according to claim 2, characterized in that:

5. A folding structure of cellular phone according to claim 2, characterized in that:

6. A folding structure of cellular phone according to claim 2, characterized in that:

7. A folding structure of cellular phone according to claim 2, characterized in that:

8. A folding structure of cellular phone according to claim 2, characterized in that:

9. A folding structure of cellular phone according to claim 1, characterized in that:

10. A folding structure of cellular phone according to claim 9, characterized in that: