CN216014658U - Display module and electronic device - Google Patents

Abstract

The embodiment of the utility model provides a display module and electronic equipment. The display assembly comprises a first sliding middle frame and a second sliding middle frame which are respectively connected in the fixed middle frame, and the first sliding middle frame and the second sliding middle frame both slide along the direction close to or far away from the fixed middle frame; the first end of the display module is wound around the first sliding middle frame, the first end of the display module is wound around the second sliding middle frame, and the first end and the second end of the display module are respectively fixed on the tensioning module; the tensioning module is connected to the sliding and rolling module, the sliding and rolling module is connected with the middle frame bracket in a sliding manner, and the sliding and rolling module is fixedly connected with the first sliding middle frame and the second sliding middle frame; the tensioning module comprises a tensioning wheel, and the display module is unfolded or retracted along the rolling direction of the tensioning wheel in the sliding process of the first sliding middle frame and the second sliding middle frame. Like this for the display module assembly is unanimous at the tensile force that receives when expansion or retraction, avoids causing display module to take place the damage, prolongs display module assembly's life.

Description

Display module and electronic device

Technical Field

The utility model relates to an electronic equipment technical field, concretely relates to display module and electronic equipment.

Background

With the development of science and technology, the application of display components is more and more extensive. To allow the display assembly to have a larger display area, the display assembly may be folded or rolled. However, when the display module rolls up, the performance requirement on the display module is high, so that the tension required when the display module is unfolded is high, the display module is easily damaged, and the service life of the display module is further reduced.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a display module to it is great to solve among the correlation technique required tensile force of display module when expanding, causes the problem that display module takes place the damage easily.

In order to solve the technical problem, the utility model discloses a realize like this:

a first aspect. The embodiment of the utility model provides a display assembly, which comprises a middle frame bracket, a display module, a sliding roll module and a tensioning module;

the middle frame support comprises a fixed middle frame, a first sliding middle frame and a second sliding middle frame, the first sliding middle frame and the second sliding middle frame are respectively connected in the fixed middle frame, and the first sliding middle frame and the second sliding middle frame both slide along the direction close to or far away from the fixed middle frame;

the first end of the display module is wound around the first sliding middle frame, the first end of the display module is wound around the second sliding middle frame, and the first end and the second end of the display module are respectively fixed on the tensioning module;

the tensioning module is connected to the sliding and rolling module, the sliding and rolling module is connected with the middle frame bracket in a sliding manner, and the sliding and rolling module is fixedly connected with the first sliding middle frame and the second sliding middle frame;

the tensioning module comprises a tensioning wheel, and the display module is unfolded or retracted along the rolling direction of the tensioning wheel in the sliding process of the first sliding middle frame and the second sliding middle frame.

Optionally, the sliding and rolling module comprises a first sliding block, a second sliding block, a third sliding block and a fourth sliding block, and the tensioning module further comprises a tensioning belt, a first tensioning plate and a second tensioning plate;

the first tensioning plate is fixed on the second sliding block, the second tensioning plate is fixed on the fourth sliding block, the first end of the display module is wound around the first sliding middle frame and fixed on the second tensioning plate, the second end of the display module is wound around the second sliding middle frame and fixed on the first tensioning plate, the tensioning wheel is installed on the third sliding block, one end of the tensioning belt is fixedly connected with the fixed middle frame, and the other end of the tensioning belt is wound around the tensioning wheel and fixedly connected with the fourth sliding block;

the first sliding block is fixedly connected with the first sliding middle frame, the third sliding block is fixedly connected with the second sliding middle frame, and the first sliding block, the second sliding block, the third sliding block and the fourth sliding block are respectively in sliding connection with the fixed middle frame.

Optionally, the fixed middle frame comprises a support plate and two opposite sliding plates;

the two sliding plates are arranged at two ends of the supporting plate, and the inner side surfaces of the sliding plates are provided with a first sliding chute, a second sliding chute, a third sliding chute and a fourth sliding chute;

the third sliding block is connected with the first sliding groove in a sliding mode, the first sliding block is connected with the second sliding groove in a sliding mode, the second sliding block is connected with the third sliding groove in a sliding mode, the fourth sliding block is connected with the fourth sliding groove in a sliding mode, and distances among the first sliding groove, the second sliding groove, the third sliding groove, the fourth sliding groove and the sliding plate are sequentially decreased progressively.

Optionally, the sliding-rolling device further comprises a first roller and a second roller;

the first idler wheel is hinged to the first sliding middle frame, the second idler wheel is hinged to the second sliding middle frame, the first end of the display module is wound on the first idler wheel, and the second end of the display module is wound on the second idler wheel.

Optionally, the display assembly further includes a first rotating shaft and a second rotating shaft, the first sliding middle frame includes a first supporting portion and two first mounting portions, and the second sliding middle frame includes a second supporting portion and two second mounting portions;

the first supporting part is positioned between the two first mounting parts, and the second supporting part is positioned between the two first mounting parts;

the first idler wheel is hinged between the two first installation parts through a first rotating shaft, and the second idler wheel is hinged between the two second installation parts through a second rotating shaft.

Optionally, the first supporting portion includes a plurality of first bracing pieces that the interval set up, the second supporting portion includes a plurality of second bracing pieces that the interval set up, wherein, the length direction of first bracing piece with the axis direction of first pivot is perpendicular, the length direction of second bracing piece with the axis direction of second pivot is perpendicular.

Optionally, the distance between every two adjacent first supporting rods is equal, and the distance between every two adjacent second supporting rods is equal;

under the condition that the display module is retracted around the sliding rolling module, one second supporting rod is inserted between every two adjacent first supporting rods, and one first supporting rod is inserted between two adjacent second supporting rods positioned at the end part of the second sliding middle frame.

Optionally, the display assembly further includes a first driving motor and a second driving motor, the first sliding middle frame further includes a first rack, and the second sliding middle frame further includes a second rack;

the first rack is positioned on one side of the first supporting part and is meshed with a driving gear of the first driving motor;

the second rack is located on one side of the second supporting portion, and the second rack is meshed with a driving gear of the second driving motor.

Optionally, a plurality of first through grooves and second through grooves which are arranged in a staggered manner are formed in the supporting surface of the fixed middle frame;

the first through groove extends along the direction close to the second roller, the second through groove extends along the direction close to the first roller, and under the condition that the display module retracts around the sliding rolling module, the first supporting rod is embedded in the first through groove, and the second supporting rod is embedded in the second through groove.

Optionally, the display module further includes a circuit board and a touch chip;

the circuit board and the touch chip are fixed on the first tensioning plate or the second tensioning plate.

In a second aspect, an embodiment of the present invention further provides an electronic device, where the electronic device includes the display module according to any embodiment of the first aspect.

The embodiment of the utility model provides an in, because the tensioning module is connected on sliding the book module, slide a roll module and a center support sliding connection, and slide a roll module and first slip center and the slip center fixed connection of second, like this, when first slip center and the slip center of second slide in fixed center, drive the tensioning module promptly and take place to slide, because the first end and the second end of display module group fix respectively on the tensioning module, consequently make the display module group can take place to slide along with the slip of first slip center and the slip center of second. Because the tensioning module includes the take-up pulley again, at the gliding in-process of first slip center and second slip center, the display module assembly is expanded or is retracted along the direction of rolling of take-up pulley, consequently at the gliding in-process of display module assembly, under the effect of take-up pulley for the display module assembly is in the state of tightening all the time, and makes the display module assembly the tensile force that receives when expanding or retracting unanimously, avoids causing display module to take place the damage, and then prolongs display module's life.

Drawings

Fig. 1 is a schematic structural diagram of a display module according to an embodiment of the present invention in a retracted state;

fig. 2 is a second schematic structural diagram of a display module according to an embodiment of the present invention in a retracted state;

fig. 3 is a schematic structural diagram of a display module according to an embodiment of the present invention in an expanded state;

fig. 4 is a second schematic structural diagram of a display module according to an embodiment of the present invention in an unfolded state;

fig. 5 is a schematic structural diagram of a middle frame support according to an embodiment of the present invention;

fig. 6 is a schematic view illustrating an installation structure of a middle frame bracket and a tensioning module according to an embodiment of the present invention;

fig. 7 is a schematic diagram illustrating a rolling structure of a display module according to an embodiment of the present invention;

fig. 8 is a schematic partial structural view of a display module according to an embodiment of the present invention in a retracted state;

fig. 9 is a schematic partial structural view of a display module according to an embodiment of the present invention in an expanded state;

fig. 10 is a schematic view illustrating an installation of a third sliding block and a tensioning wheel according to an embodiment of the present invention;

fig. 11 is a schematic structural diagram of a first sliding middle frame according to an embodiment of the present invention;

fig. 12 is a schematic structural diagram of a second sliding middle frame according to an embodiment of the present invention.

Reference numerals:

10: a middle frame support; 20: a display module; 30: a sliding and rolling module; 40: a tensioning module; 50: a circuit board; 60: a touch chip; 101: fixing the middle frame; 102: a first sliding middle frame; 103: a second sliding middle frame; 301: a first slider; 302: a second slider; 303: a third slider; 304: a fourth slider; 305: a first roller; 306: a second roller; 401: a tension wheel; 402: tensioning the belt; 403: a first tensioning plate; 404: a second tension plate; 1011: a support plate; 1012: a sliding plate; 1021: a first support section; 1022: a first mounting portion; 1023: a first rack; 1031: a second support portion; 1032: a second mounting portion; 1033: a second rack; 10111: a first chute; 10112: a second chute; 10121: a first through groove; 10122: a second through groove; 10113; a third chute; 10114: a fourth chute; 10211: a first support bar; 10311: a second support bar.

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 some, not all, of the embodiments of the present invention. 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.

It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Fig. 1 and 2 are schematic structural diagrams of a display module provided in an embodiment of the present invention in a retracted state, fig. 3 and 4 are schematic structural diagrams of a display module provided in an embodiment of the present invention in an extended state, as shown in fig. 1 to 4, the display module includes a middle frame support 10, a display module 20, a sliding roll module 30 and a tensioning module 40; the middle frame bracket 10 comprises a fixed middle frame 101, a first sliding middle frame 102 and a second sliding middle frame 103, wherein the first sliding middle frame 102 and the second sliding middle frame 103 are respectively connected in the fixed middle frame 101, and the first sliding middle frame 102 and the second sliding middle frame 103 both slide along the direction close to or far away from the fixed middle frame 101; the first end of the display module 20 is wound around the first sliding middle frame 102, the first end of the display module 20 is wound around the second sliding middle frame 103, and the first end and the second end of the display module 20 are respectively fixed on the tensioning module 40; the tensioning module 40 is connected to the sliding and rolling module 30, the sliding and rolling module 30 is connected with the middle frame bracket 10 in a sliding manner, and the sliding and rolling module 30 is fixedly connected with the first sliding middle frame 102 and the second sliding middle frame 103; the tensioning module 40 comprises a tensioning wheel 401, and the display module 20 is unfolded or retracted along the rolling direction of the tensioning wheel 401 during the sliding process of the first sliding middle frame 102 and the second sliding middle frame 103.

The display module 20 is a display panel made of a flexible material and capable of deforming and bending. The embodiment of the utility model provides an in, with the help of display module assembly 20's flexible performance, buckle the both ends of display module assembly 20 and curl, later hold in the inner chamber of fixed center 101 for display module assembly 20's first end and second end are in range upon range of state at fixed center 101, with the shared space of reduction display module assembly 20 in fixed center 101. In the case that a larger display area is required, the display module 20 accommodated in the inner cavity of the fixed middle frame 101 is drawn out, i.e., the display module 20 is unfolded, so that the display module 20 has a larger display area. Under the condition that a larger display area is not needed, the extracted display module 20 can be accommodated back into the inner cavity of the fixed middle frame 101 again, so that the switching of different display areas can be realized.

The middle frame support 10 received in the display module 20 provides support for the display module 20 and is used for receiving main components of the display module 20. In the embodiment of the present invention, to meet the supporting requirement of the display module 20 when being unfolded, the middle frame support 10 includes a fixed middle frame 101, a first sliding middle frame 102 and a second sliding middle frame 103. The first sliding middle frame 102 and the second sliding middle frame 103 are respectively connected in the fixed middle frame 101, and both the first sliding middle frame 102 and the second sliding middle frame 103 slide in a direction approaching or departing from the fixed middle frame 101. That is, when the display area of the display module 20 needs to be increased, the first sliding middle frame 102 or the second sliding middle frame 103 is slid in the direction away from the fixed middle frame 101, or the first sliding middle frame 102 and the second sliding middle frame 103 are slid in the direction away from the fixed middle frame 101 at the same time, so that the first sliding middle frame 102 and the second sliding middle frame 103 are located at two sides of the fixed middle frame 101, and the support area of the middle frame support 10 is the sum of the support areas of the fixed middle frame 101, the first sliding middle frame 102 and the second sliding middle frame 103. On the contrary, when the display area of the display module 20 does not need to be increased, the first sliding middle frame 102 or the second sliding middle frame 103 may be slid in a direction approaching the fixed middle frame 101, or the first sliding middle frame 102 and the second sliding middle frame 103 may be slid in a direction approaching the fixed middle frame 101 at the same time, so that the supporting area of the middle frame support 10 is equal to the supporting area of the fixed middle frame 101.

It should be noted that, in the embodiment of the present invention, because the first sliding middle frame 102 and the second sliding middle frame 103 both slide along the direction close to or away from the fixed middle frame 101, and the first sliding middle frame 102 and the second sliding middle frame 103 are located at both sides of the fixed middle frame 101, when the display area of the display module 20 is selectively increased, the sliding first sliding middle frame 102 or the second sliding middle frame 103 can be selected according to different display requirements, or the sliding first sliding middle frame 102 or the second sliding middle frame 103 can be simultaneously slid, so that the increase mode of the display area of the display module is more flexible, and the adaptation range of the display module is increased.

In order to make the tensioning force required by the display module assembly when the display module assembly is unfolded and retracted to be consistent, i.e. to make the display module assembly 20 be always in a "tight state" when being pulled out from the middle frame bracket 10 and retracted to the display module assembly 20, in the embodiment of the present invention, the first end of the display module assembly 20 is wound around the first sliding middle frame 102, and the first end of the display module assembly 20 is wound around the second sliding middle frame 103, so that the display module assembly 20 can change in position along with the sliding of the first sliding middle frame 102 and the second sliding middle frame 103.

The embodiment of the utility model provides an in, tensioning module 40 is connected on smooth book module 30, smooth book module 30 and the sliding connection of center support 10, and smooth book module 30 and the first sliding center 102 and the sliding center 103 fixed connection of second, like this, when first sliding center 102 and the sliding center 103 of second slide in fixed center 101 slide, drive tensioning module 40 promptly and take place to slide, because the first end and the second end of display module assembly 20 are fixed respectively on tensioning module 40, consequently make the emergence of display module assembly 20 slide. Because tensioning module 40 includes tensioning wheel 401 again, at the gliding in-process of first slip center 102 and second slip center 103, display module 20 extends or retracts along tensioning wheel 401's roll direction, consequently at the gliding in-process of display module 20, under the effect of tensioning wheel 401, make display module 20 be in the state of tightening all the time, and make display module 20 the tensile force that receives when extending or retracting unanimously, avoid causing the display module to take place the damage, and then prolong display module's life.

Specifically, as shown in fig. 2, 4, 5 and 6, the sliding and rolling module 30 includes a first slider 301, a second slider 302, a third slider 303 and a fourth slider 304, and the tensioning module 40 includes a tensioning wheel 401, a tensioning belt 402, a first tensioning plate 403 and a second tensioning plate 404; the first tensioning plate 403 is fixed on the second sliding block 302, the second tensioning plate 404 is fixed on the fourth sliding block 304, the first end of the display module 20 is wound around the first sliding middle frame 102 and fixed on the second tensioning plate 404, the second end of the display module 20 is wound around the second sliding middle frame 103 and fixed on the first tensioning plate 403, the tensioning wheel 401 is installed on the third sliding block 303, one end of the tensioning belt 402 is fixedly connected with the fixed middle frame 101, and the other end of the tensioning belt 402 is wound around the tensioning wheel 401 and fixedly connected with the fourth sliding block 304; the first sliding block 301 is fixedly connected with the first sliding middle frame 102, the third sliding block 303 is fixedly connected with the second sliding middle frame 103, and the first sliding block 301, the second sliding block 302, the third sliding block 303 and the fourth sliding block 304 are respectively connected with the fixed middle frame 101 in a sliding manner.

It should be noted that the first slider 301, the second slider 302, the third slider 303, and the fourth slider 304 are square blocks. When in connection, the first tensioning plate 403 may be fixed on the second slider 302 by welding, screwing, bonding, etc., the second tensioning plate 404 is fixed on the fourth slider 304 by welding, screwing, bonding, etc., the first end of the display module 20 is fixed on the first tensioning plate 403 by winding the first sliding middle frame 102, and the second end of the display module 20 is fixed on the second tensioning plate 404 by winding the second sliding middle frame 103, so that the display module 20 may move along with the movement of the first tensioning plate 403 and the second tensioning plate 404.

Because the tensioning wheel 401 is mounted on the third slider 303, one end of the tensioning belt 402 can be fixed on the fixed middle frame 101 by bonding, welding or the like, and the other end of the tensioning belt 402 can be wound around the tensioning wheel 401 and fixedly connected with the fourth slider 304, that is, one end of the tensioning belt 402 can change position along with the sliding of the fourth slider 304, that is, under the pulling of the fourth slider 304, the tensioning belt 402 can change along the rolling direction of the tensioning wheel 401 around the tensioning wheel 401.

Because the first sliding block 301 is fixedly connected with the first sliding middle frame 102, the third sliding block 303 is fixedly connected with the second sliding middle frame 103, and the first sliding block 301, the second sliding block 302, the third sliding block 303 and the fourth sliding block 304 are respectively connected with the fixed middle frame 101 in a sliding manner, the first sliding middle frame 102 can drive the first sliding block 301 to slide when being close to or far away from the fixed middle frame 101, and the second sliding middle frame 103 can drive the third sliding block 303 to slide when being close to or far away from the fixed middle frame 101.

Thus, as shown in fig. 9, when the display module 20 is unfolded, the first sliding middle frame 102 can slide in a direction away from the fixed middle frame 101, and the display module 20 is unfolded, because the first tensioning plate 403 is fixed on the second sliding block 302, the first end of the display module 20 is wound around the first sliding middle frame 102 and fixed on the first tensioning plate 403, so that the second tensioning plate 404 slides, and further drives the fourth sliding block 304 connected with the second tensioning plate 404 to slide, and because the tensioning wheel 401 is installed on the third sliding block 303, one end of the tensioning belt 402 is fixedly connected with the fixed middle frame 101, and the other end of the tensioning belt 402 is wound around the tensioning wheel 401 and fixedly connected with the fourth sliding block 304, so that the tensioning belt 402 can always provide a fixed tensioning force for the second tensioning plate 404 during sliding, and the display module 20 is kept in a tensioned state during unfolding. The sliding principle that the sliding of second slip center 103 was kept away from and is unanimous with first slip center 102, the embodiment of the utility model discloses no longer describe to this.

On the contrary, as shown in fig. 8, when the display module 20 is retracted, the first sliding middle frame 102 can be made to slide in a direction approaching to the fixed middle frame 101, and at the same time, the display module 20 is retracted into the cavity of the fixed middle frame 101, since the first tension plate 403 is fixed to the second slider 302, the first end of the display module 20 is fixed to the first tension plate 403, wrapping around the first sliding middle frame 102, thereby allowing the second tension plate 404 to slide, thereby driving the fourth sliding block 304 connected with the second tensioning plate 404 to slide, and as the tensioning wheel 401 is arranged on the third sliding block 303, one end of the tensioning belt 402 is fixedly connected with the fixed middle frame 101, the other end of the tensioning belt 402 is wound around the tensioning wheel 401 and fixedly connected with the fourth sliding block 304, therefore, the tension belt 402 can always provide a fixed tension force to the second tension plate 404 during the sliding process, so that the display module 20 can be kept in a tight state when being retracted.

In addition, in order to reduce the manufacturing cost of the display module, as shown in fig. 7, in the case that the display module further includes the circuit board 50 and the touch chip 60, the circuit board 50 and the touch chip 60 are optionally fixed on the first tension plate 403 or the second tension plate 404.

It should be noted that, because the circuit board 50 and the touch chip 60 are fixed on the first tensioning plate 403 or the second tensioning plate 404, when the circuit board 50 and the touch chip 60 are disposed, no extra carrier for fixing the circuit board 50 and the touch chip 60 is needed, so that the manufacturing cost of the display device can be reduced, and the circuit board 50 and the touch chip 60 are hidden inside the middle frame support 10, and then a large frame is not exposed at the edge of the display device, which is favorable for improving the yield of the display device.

Optionally, to facilitate the attachment of the sliding blocks, the fixed middle frame 101 comprises a support plate 1011 and two opposing sliding plates 1012; two sliding plates 1012 are arranged at two ends of the supporting plate 1011, and a first sliding chute 10111, a second sliding chute 10112, a third sliding chute 10113 and a fourth sliding chute 10114 are opened on the inner side surface of the sliding plates 1012; the third slider 303 is connected with the first sliding groove 10111 in a sliding manner, the first slider 301 is connected with the second sliding groove 10112 in a sliding manner, the second slider 302 is connected with the third sliding groove 10113 in a sliding manner, and the fourth slider 304 is connected with the fourth sliding groove 10114 in a sliding manner, wherein distances between the first sliding groove 10111, the second sliding groove 10112, the third sliding groove 10113, the fourth sliding groove 10114 and the sliding plate 1012 decrease in a decreasing manner.

It should be noted that the first sliding groove 10111, the second sliding groove 10112, the third sliding groove 10113, and the fourth sliding groove 10114 all extend along the sliding direction of the first sliding middle frame 102 and the sliding direction of the second sliding middle frame 103, so that the sliding direction of the third slider 303 in the first sliding groove 10111 and the sliding direction of the first sliding middle frame 102 and the sliding direction of the second sliding middle frame 103 coincide, the sliding direction of the first slider 301 in the second sliding groove 10112 and the sliding direction of the first sliding middle frame 102 and the sliding direction of the second sliding middle frame 103 coincide, the sliding direction of the second slider 302 in the third sliding groove 10113 and the sliding direction of the first sliding middle frame 102 and the sliding direction of the second sliding middle frame 103 coincide, and the sliding direction of the fourth slider 304 in the fourth sliding groove 10114 and the sliding direction of the first sliding middle frame 102 and the sliding direction of the second sliding middle frame 103 coincide. Like this, whole display module is when carrying out the expansion and the back-ward movement of display module assembly 20, and the motion of whole mechanism is comparatively compact, can guarantee the continuity and the smoothness nature of whole motion process.

In addition, in order to make the display module 20 always have support during the process of unfolding and retracting, the sliding rolling device further comprises a first roller 305 and a second roller 306; the first roller 305 is hinged on the first sliding middle frame 102, the second roller 306 is hinged on the second sliding middle frame 103, the first end of the display module 20 is wound on the first roller 305, and the second end of the display module 20 is wound on the second roller 306.

It should be noted that the rolling direction of the first roller 305, the sliding direction of the second roller 306 and the moving direction of the display module 20 are the same, so that the display module 20 slides around the rotation axis of the first roller 305 and the rotation axis of the second roller 306 during the expansion and the retraction. Because the first roller 305 is hinged on the first sliding middle frame 102, the second roller 306 is hinged on the second sliding middle frame 103, the first end of the display module 20 is wound on the first roller 305, and the second end of the display module 20 is wound on the second roller 306, so that the display module 20 always clings to the rolling surface of the first roller 305 and the rolling surface of the second roller 306 to roll when being unfolded and retracted, which is more beneficial to keeping the tight state of the display module 20 when being unfolded and retracted, and meanwhile, a larger supporting area can be provided for the display module 20 through the rolling surface of the first roller 305 and the second roller 306, and the friction force of the display module 20 when sliding is reduced, thereby reducing the damage to the display module 20 when sliding.

Specifically, the display assembly further includes a first rotation shaft and a second rotation shaft, the first sliding middle frame 102 includes a first supporting portion 1021 and two first mounting portions 1022, and the second sliding middle frame 103 includes a second supporting portion 1031 and two second mounting portions 1032; the first supporting portion 1021 is located between the two first mounting portions 1022, and the second supporting portion 1031 is located between the two first mounting portions 1022; the first roller 305 is hinged between the two first mounting portions 1022 through a first rotation axis, and the second roller 306 is hinged between the two second mounting portions 1032 through a second rotation axis.

It should be noted that, under the condition that the first roller 305 is hinged between the two first mounting portions 1022 through the first rotating shaft, and the second roller 306 is hinged between the two second mounting portions 1032 through the second rotating shaft, the first end of the display module 20 can be wound around the first rotating shaft as the shaft when being unfolded and retracted, and the second end of the display module 20 can be wound around the first rotating shaft as the shaft when being unfolded and retracted, so that the display module 20 can be wound around both ends, and further has a larger display area when being unfolded.

In addition, in order to reduce the space occupied by the first sliding middle frame 102 and the second sliding middle frame 103 in the retracted state, optionally, as shown in fig. 11, the first supporting part 1021 includes a plurality of first supporting rods 10211 arranged at intervals, and as shown in fig. 12, the second supporting part 1031 includes a plurality of second supporting rods 10311 arranged at intervals, wherein the length direction of the first supporting rods 10211 is perpendicular to the axial direction of the first rotating shaft, and the length direction of the second supporting rods 10311 is perpendicular to the axial direction of the second rotating shaft. In this way, the first support part 1021 comprises the first support rods 10211 arranged at intervals, and the second support part 1031 comprises the second support rods 10311 arranged at intervals, so as to provide uniform support for the display module 20, so that the display module 20 can have a large support area, and the module can be kept stable in the unfolding and retracting processes.

In addition, the distance between every two adjacent first support bars 10211 is equal, and the distance between every two adjacent second support bars 10311 is equal; when the display module 20 is retracted around the sliding and rolling module 30, a second support bar 10311 is inserted between every two adjacent first support bars 10211, and a first support bar 10211 is inserted between two adjacent second support bars 10311 at the end of the second sliding middle frame 103.

In this embodiment, under the condition that the display module 20 retracts around the sliding module 30, one second support bar 10311 is arranged between every two adjacent first support bars 10211, and one first support bar 10211 is inserted between two adjacent second support bars 10311 at the end of the second sliding middle frame 103, so that the second support bars 10311 and the first support bars 10211 are arranged in a staggered manner in the process that the display module 20 retracts, and the space occupied by the first sliding middle frame 102 and the second sliding middle frame 103 when retracting can be saved, and the whole structure is more compact.

Further, as shown in fig. 5, a supporting surface of the fixed middle frame 101 is provided with a plurality of first through grooves 10121 and second through grooves 10122 which are staggered; the first through groove 10121 extends in a direction approaching the second roller 306, and the second through groove 10122 extends in a direction approaching the first roller 305, and in a case where the display module 20 is retracted around the sliding module 30, the first support rod 10211 is fitted in the first through groove 10121, and the second support rod 10311 is fitted in the second through groove 10122.

It should be noted that, under the condition that the display module 20 retracts around the sliding rolling module 30, the first support rod 10211 is embedded in the first through groove 10121, and the second support rod 10311 is embedded in the second through groove 10122, so on one hand, the sliding of the first sliding middle frame 102 can be limited through the first through groove 10121, and the sliding of the second sliding middle frame 103 is further limited through the second through groove 10122, so that the sliding of the whole assembly is more stable, and the deviation of the first sliding middle frame 102 and the second sliding middle frame 103 during sliding is avoided. On the other hand, the space occupied by the first sliding middle frame 102 and the second sliding middle frame 103 can be saved, so that the arrangement of the whole assembly is more compact.

Optionally, the display module further includes a first driving motor and a second driving motor, the first sliding middle frame 102 further includes a first rack 1023, and the second sliding middle frame 103 further includes a second rack 1033; the first rack 1023 is positioned at one side of the first supporting part 1021, and the first rack 1023 is engaged with a driving gear of the first driving motor; the second rack 1033 is positioned at the side of the second support part 1031, and the second rack 1033 is engaged with the driving gear of the second driving motor.

It should be noted that, the driving shaft of the first driving motor is connected to the first gear, and the driving shaft of the second driving motor is connected to the second gear, so that when the display module 20 is unfolded and retracted, the first gear and the second gear can rotate by controlling the rotation of the first driving motor and the second driving motor, because the first rack 1023 is engaged with the driving gear of the first driving motor, and the second rack 1033 is engaged with the driving gear of the second driving motor, the first sliding middle frame 102 and the second sliding middle frame 103 can be driven to slide, and further the display module 20 is driven to slide, and because the driving of the motor is more accurate and stable, the control of the sliding of the display module 20 can be more accurate.

It can be seen from the above-mentioned embodiment that in the utility model, in the embodiment of the invention, because tensioning module 40 is connected on the smooth roll module 30, smooth roll module 30 and middle frame support 10 sliding connection, and smooth roll module 30 and first slip center 102 and the second slip center 103 fixed connection, like this, when first slip center 102 and the second slip center 103 slide in fixed center 101, drive tensioning module 40 promptly and take place to slide, because the first end and the second end of display module 20 are fixed respectively on tensioning module 40, consequently make display module 20 can take place to slide along with the slip of first slip center 102 and the second slip center 103. Because tensioning module 40 includes tensioning wheel 401 again, at the gliding in-process of first slip center 102 and second slip center 103, display module 20 extends or retracts along tensioning wheel 401's roll direction, consequently at the gliding in-process of display module 20, under the effect of tensioning wheel 401, make display module 20 be in the state of tightening all the time, and make display module 20 the tensile force that receives when extending or retracting unanimously, avoid causing the display module to take place the damage, and then prolong display module's life.

In addition, because the first tensioning plate 403 is fixed on the second sliding block 302, the second tensioning plate 404 is fixed on the fourth sliding block 304, the first end of the display module 20 is wound around the first sliding middle frame 102 and fixed on the second tensioning plate 404, the second end of the display module 20 is wound around the second sliding middle frame 103 and fixed on the first tensioning plate 403, the tensioning wheel 401 is installed on the third sliding block 303, one end of the tensioning belt 402 is fixedly connected with the fixed middle frame 101, and the other end of the tensioning belt 402 is wound around the tensioning wheel 401 and fixedly connected with the fourth sliding block 304, the first end and the second end of the display module 20 are overlapped in the inner cavity of the fixed middle frame 101, so that the structure of the whole display module is more compact, and the display module has a larger display area after being unfolded.

An embodiment of the present invention provides an electronic device, which includes a display module in any of the above embodiments.

It should be noted that, in the embodiment of the present invention, the electronic device includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a wearable device, and the like.

In addition, when the electronic device includes the display module 20 in any of the embodiments, the electronic device can have a larger display area and the service life of the electronic device can be prolonged.

It should be further noted that the various embodiments in this specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the various embodiments may be referred to each other.

While alternative embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including alternative embodiments and all such alterations and modifications as fall within the true scope of the embodiments of the invention.

Finally, it should also be noted that, in this document, relational terms such as first and second, and the like may be used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or terminal apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or terminal apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of additional like elements in the article or terminal device comprising the element.

It is right above to the technical scheme that the utility model provides a detailed introduction has been carried out, and it is right to have used specific individual example herein the utility model discloses a principle and implementation mode have been elucidated, simultaneously, to the general technical staff in this field, according to the utility model discloses a principle and implementation mode all have the change part on concrete implementation mode and application scope, to sum up, this description content should not be understood as the restriction of the utility model.

Claims (11)

1. A display assembly is characterized by comprising a middle frame support, a display module, a sliding and rolling module and a tensioning module;

the middle frame support comprises a fixed middle frame, a first sliding middle frame and a second sliding middle frame, the first sliding middle frame and the second sliding middle frame are respectively connected in the fixed middle frame, and the first sliding middle frame and the second sliding middle frame both slide along the direction close to or far away from the fixed middle frame;

the first end of the display module is wound around the first sliding middle frame, the first end of the display module is wound around the second sliding middle frame, and the first end and the second end of the display module are respectively fixed on the tensioning module;

the tensioning module is connected to the sliding and rolling module, the sliding and rolling module is connected with the middle frame bracket in a sliding manner, and the sliding and rolling module is fixedly connected with the first sliding middle frame and the second sliding middle frame;

the tensioning module comprises a tensioning wheel, and the display module is unfolded or retracted along the rolling direction of the tensioning wheel in the sliding process of the first sliding middle frame and the second sliding middle frame.

2. The display assembly of claim 1, wherein the slider-roll module comprises a first slider, a second slider, a third slider, a fourth slider, the tensioning module further comprising a tensioning belt, a first tensioning plate, and a second tensioning plate;

the first tensioning plate is fixed on the second sliding block, the second tensioning plate is fixed on the fourth sliding block, the first end of the display module is wound around the first sliding middle frame and fixed on the second tensioning plate, the second end of the display module is wound around the second sliding middle frame and fixed on the first tensioning plate, the tensioning wheel is installed on the third sliding block, one end of the tensioning belt is fixedly connected with the fixed middle frame, and the other end of the tensioning belt is wound around the tensioning wheel and fixedly connected with the fourth sliding block;

the first sliding block is fixedly connected with the first sliding middle frame, the third sliding block is fixedly connected with the second sliding middle frame, and the first sliding block, the second sliding block, the third sliding block and the fourth sliding block are respectively in sliding connection with the fixed middle frame.

3. The display assembly of claim 2, wherein the fixed middle frame comprises a support plate and two opposing sliding plates;

the two sliding plates are arranged at two ends of the supporting plate, and the inner side surfaces of the sliding plates are provided with a first sliding chute, a second sliding chute, a third sliding chute and a fourth sliding chute;

the third sliding block is connected with the first sliding groove in a sliding mode, the first sliding block is connected with the second sliding groove in a sliding mode, the second sliding block is connected with the third sliding groove in a sliding mode, the fourth sliding block is connected with the fourth sliding groove in a sliding mode, and distances among the first sliding groove, the second sliding groove, the third sliding groove, the fourth sliding groove and the sliding plate are sequentially decreased progressively.

4. The display assembly of claim 2, wherein the scrolling device further comprises a first scroll wheel and a second scroll wheel;

the first idler wheel is hinged to the first sliding middle frame, the second idler wheel is hinged to the second sliding middle frame, the first end of the display module is wound on the first idler wheel, and the second end of the display module is wound on the second idler wheel.

5. The display assembly of claim 4, further comprising a first rotation shaft and a second rotation shaft, wherein the first sliding middle frame comprises a first supporting portion and two first mounting portions, and wherein the second sliding middle frame comprises a second supporting portion and two second mounting portions;

the first supporting part is positioned between the two first mounting parts, and the second supporting part is positioned between the two first mounting parts;

the first idler wheel is hinged between the two first installation parts through a first rotating shaft, and the second idler wheel is hinged between the two second installation parts through a second rotating shaft.

6. The display assembly of claim 5, wherein the first support portion comprises a plurality of first support rods spaced apart from each other, and the second support portion comprises a plurality of second support rods spaced apart from each other, wherein a length direction of the first support rods is perpendicular to an axial direction of the first rotating shaft, and a length direction of the second support rods is perpendicular to an axial direction of the second rotating shaft.

7. The display assembly of claim 6, wherein the spacing between each adjacent two of the first support bars is equal, and the spacing between each adjacent two of the second support bars is equal;

under the condition that the display module is retracted around the sliding rolling module, one second supporting rod is inserted between every two adjacent first supporting rods, and one first supporting rod is inserted between two adjacent second supporting rods positioned at the end part of the second sliding middle frame.

8. The display assembly of claim 5, further comprising a first drive motor and a second drive motor, the first sliding center further comprising a first rack, the second sliding center further comprising a second rack;

the first rack is positioned on one side of the first supporting part and is meshed with a driving gear of the first driving motor;

the second rack is located on one side of the second supporting portion, and the second rack is meshed with a driving gear of the second driving motor.

9. The display assembly of claim 6, wherein the supporting surface of the fixed middle frame is provided with a plurality of first through grooves and second through grooves which are arranged in a staggered manner;

the first through groove extends along the direction close to the second roller, the second through groove extends along the direction close to the first roller, and under the condition that the display module retracts around the sliding rolling module, the first supporting rod is embedded in the first through groove, and the second supporting rod is embedded in the second through groove.

10. The display assembly of claim 2, further comprising a circuit board and a touch chip;

the circuit board and the touch chip are fixed on the first tensioning plate or the second tensioning plate.

11. An electronic device, characterized in that the electronic device comprises a display assembly according to any of claims 1-10.

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