CN115405616B - Folding device and display device - Google Patents

Abstract

The present application relates to a folding device and a display device, wherein the folding device comprises a folding portion, the folding portion is used to connect with a part to be folded, the folding portion can rotate to drive the part to be folded to a predetermined position, wherein the folding portion comprises a fixing part, a rotating shaft and a telescopic assembly, the fixing part has a receiving cavity, the rotating shaft is arranged in the receiving cavity and passes through the fixing part along its own axis, the telescopic assembly comprises two or more telescopic parts arranged at intervals along the circumference of the rotating shaft, one end of each telescopic part is connected to the rotating shaft and the other end abuts against the inner wall of the fixing part, wherein the rotating shaft can rotate around its own axis and drive the telescopic assembly to rotate relative to the fixing part, and when rotating to a predetermined position, the telescopic assembly abuts against the fixing part to make the rotating shaft stationary. The solution provided in the embodiment of the present application can relatively fix the part to be folded and realize free hovering during folding.

Description

Folding device and display device

Technical Field

The application relates to the technical field of screen folding, in particular to a folding device and a display device.

Background

The foldable electronic product in the current market can provide a larger screen for users, improves the operation experience of the users, can embody the technological sense of the users, and is convenient to carry, so that the foldable electronic product is a high-end intelligent product laid out by various large electronic manufacturers.

The basic folding function of the foldable electronic product is basically solved in the prior art, and the foldable electronic product on the market is characterized in that the inward folding and outward folding forms of the screen are realized by utilizing the folding rotating shaft, so that the expansion of the screen is realized.

However, when the two screens of the present foldable electronic product cannot be bent to form a certain angle, the relative positions of the two screens are fixed, so that free hovering of the screens of the foldable electronic product is realized, and the use experience of a user is affected, so that a novel display device is needed.

Disclosure of Invention

The embodiment of the application provides a folding device and a display device, which can realize free hovering under any angle when a display panel is folded.

According to the embodiment of the application, the folding device comprises a folding part, the folding part is connected with a part to be folded, the folding part can rotate to drive the part to be folded to rotate to a preset position, the folding part comprises a fixing piece, a rotating shaft and a telescopic assembly, the fixing piece is provided with a containing cavity, the rotating shaft is arranged in the containing cavity and axially penetrates through the fixing piece along the rotating shaft, the telescopic assembly comprises more than two telescopic pieces which are arranged at intervals along the circumferential direction of the rotating shaft, one end of each telescopic piece is connected with the rotating shaft, the other end of each telescopic piece is abutted against the inner wall of the fixing piece, the rotating shaft can rotate around the axis of the rotating shaft and drive the telescopic assembly to rotate relative to the fixing piece, and when the rotating shaft rotates to the preset position, the telescopic assembly abuts against the fixing piece to enable the rotating shaft to be static.

According to one aspect of the embodiment of the application, the telescopic piece comprises a telescopic part and an elastic part, one end of the telescopic part is connected with the outer peripheral surface of the rotating shaft, the other end of the telescopic part is abutted against the inner wall of the fixing piece, and the elastic part is sleeved on the telescopic part and can do telescopic motion along with the telescopic part;

preferably, the telescopic portion comprises a telescopic column and the elastic portion comprises a spring.

According to one aspect of the embodiment of the application, the number of the folding parts is two, the rotating shafts of the two folding parts are arranged at intervals and in parallel, the folding device further comprises a connecting part, the two folding parts are connected through the connecting part, and the rotating shaft of any folding part can rotate relative to the rotating shaft of the other folding part.

According to an aspect of an embodiment of the present application, the connecting portion includes a connecting band surrounding and covering at least part of the two fixing members in a radial direction of the rotation shaft so that the two folding portions are connected, and the two fixing members are arranged in the connecting band in the radial direction at a distance.

According to one aspect of the embodiment of the application, the telescopic members are arranged in pairs, and the telescopic members arranged in pairs are symmetrically distributed with the rotating shaft as the center.

According to an aspect of the embodiment of the application, the inner wall of the fixing member has alternately arranged concave portions and convex portions, the concave portions are concavely arranged toward the rotation shaft, the convex portions are convexly arranged toward the rotation shaft, and the expansion member is compressed when passing the convex portions and is stretched when passing the concave portions;

Preferably, the number of the telescopic members in the telescopic assembly is equal to the sum of the concave parts and the convex parts, and the distance between the adjacent two telescopic members abutting against one end of the fixing member is equal to the distance between the adjacent concave parts and the convex parts.

According to an aspect of the embodiment of the present application, the concave portions are arranged in pairs, the concave portions arranged in pairs are symmetrically distributed about the rotation axis, the convex portions are arranged in pairs, and the convex portions arranged in pairs are symmetrically distributed about the rotation axis.

According to one aspect of the embodiment of the application, the folding part further comprises an adapter, the adapter is provided with a through hole penetrating along the axial direction, the rotating shaft is inserted in the through hole and connected with the telescopic piece through the adapter, one end of the telescopic piece is connected with the rotating shaft through the adapter, the other end of the telescopic piece is abutted against the inner wall of the fixing piece, and the rotating shaft can drive the adapter to rotate so as to drive the telescopic piece to rotate relative to the fixing piece.

According to an aspect of the embodiment of the application, the folding portion further comprises a limiting piece, the limiting piece is sleeved on the rotating shaft, one end of the limiting piece is connected to the rotating shaft, the other end of the limiting piece is abutted to the adapter piece, and the limiting piece is configured to block the adapter piece from moving along the axial direction;

preferably, the folding portion has two limiting members, and the two limiting members are respectively disposed at two sides of the adapter in the axial direction.

According to one aspect of the embodiment of the application, the folding part further comprises a shielding piece, the shielding piece is arranged between the limiting piece and the adapter piece, the adapter piece can rotate relative to the shielding piece, one end of the limiting piece is connected to the rotating shaft, and the other end of the limiting piece is abutted against the shielding piece.

On the other hand, the display device provided by the embodiment of the application comprises the display panel and the folding device, wherein the folding device is connected with the display panel so that the display panel can be folded.

According to the folding device and the display device provided by the embodiment of the application, the folding part is connected with the fixing piece through the telescopic component arranged between the rotating shaft and the fixing piece, the reverse acting force provided by the fixing piece on the telescopic component is applied to the rotating shaft, and the rotating shaft is extruded from multiple angles to be stationary and fixed at the preset position.

Drawings

Features, advantages, and technical effects of exemplary embodiments of the present application will be described below with reference to the accompanying drawings.

FIG. 1 is a schematic view of a folding device according to an embodiment of the present application;

FIG. 2 is an exploded view of a folding device according to an embodiment of the present application;

FIG. 3 is an enlarged schematic view of a part of the structure of a folding device according to an embodiment of the present application;

FIG. 4 is a front view of a folding portion of a folding device according to an embodiment of the present application;

fig. 5 is a front view of two folds of a folding device according to an embodiment of the application.

Reference numerals:

100-folding device, 10-folding part, 20-connecting part, 21-connecting belt;

x-axial, Y-radial, Z-circumferential;

1-fixing piece, 11-concave part, 12-convex part, 101-containing cavity and 2-rotating shaft;

3-telescoping members;

4-adapter, 41-through hole, 5-limiting piece and 6-shielding piece.

In the drawings, like parts are designated with like reference numerals. The figures are not drawn to scale.

Detailed Description

Features and exemplary embodiments of various aspects of the application are described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the application. It will be apparent, however, to one skilled in the art that the present application may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the application by showing examples of the application. In the drawings and the following description, at least some well-known structures and techniques have not been shown in order to avoid unnecessarily obscuring the present application, and the dimensions of some of the structures may be exaggerated for clarity. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

The directional terms appearing in the following description are all directions shown in the drawings and do not limit the specific structure of the folding device of the present application. In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted" and "connected" are to be construed broadly, and may be fixedly connected, detachably connected, integrally connected, directly connected, or indirectly connected, for example. The specific meaning of the above terms in the present application can be understood as appropriate by those of ordinary skill in the art.

In order to better understand the present application, a folding device and a display device according to embodiments of the present application will be described in detail with reference to fig. 1 to 5.

Referring to fig. 1 to 3, a folding device 100 provided in an embodiment of the application includes a folding portion 10, the folding portion 10 is configured to be connected with a to-be-folded component, the folding portion 10 can rotate to drive the to-be-folded component to rotate to a predetermined position, wherein the folding portion 10 includes a fixing member 1, a rotating shaft 2 and a telescopic assembly, the fixing member 1 has a receiving cavity 101, the rotating shaft 2 is disposed in the receiving cavity 101 and passes through the fixing member 1 along an axial direction X thereof, the telescopic assembly includes two or more telescopic members 3 disposed at intervals along a circumferential direction Z of the rotating shaft 2, one end of each telescopic member 3 is connected with the rotating shaft 2, and the other end of each telescopic member abuts against an inner wall of the fixing member 1, wherein the rotating shaft 2 can rotate around its own axis and drive the telescopic assembly to rotate relative to the fixing member 1, and when rotating to the predetermined position, the telescopic assembly abuts against the fixing member 1 to make the rotating shaft 2 stationary.

The folding device 100 in the embodiment of the application can be arranged between two screens of a folding electronic product, can realize the folding of the two screens by taking the folding device 100 as the center and the fixed hovering of any screen, and can be applied to a folding screen mobile phone, for example.

Alternatively, the part to be folded may be a display screen, and the folding device 100 is connected with the part to be folded through the folding part 10 therein and hovers after driving the part to be folded to rotate to any angle.

The fixing member 1 in the folded portion 10 has a receiving cavity 101, and it is understood that the fixing member 1 has a hollow structure, alternatively, the fixing member 1 may be provided in a cylindrical structure, and after passing through along its own axis, the receiving cavity 101 is formed in a middle portion thereof, and the specific structural shape of the fixing member 1 is not particularly limited in the present application.

Alternatively, the accommodating cavity 101 is in a columnar structure, the outline of the inner wall of the accommodating cavity is in an arc shape, the arc of the outline of the inner wall is discontinuous, the radius size, the concave-convex orientation and the extension length of the inner wall are all adjustable to be different from each other, and the accommodating cavity 101 can be arranged to be connected in multiple ways.

The rotating shaft 2 passes through the accommodating cavity 101 of the fixing piece 1 along the axial direction X of the rotating shaft 2, so that two ends of the rotating shaft 2 are exposed and can be used for connecting a part to be folded, and the rotating shaft 2 can rotate clockwise or anticlockwise in the accommodating cavity 101, and can be driven to rotate manually by people.

Set up flexible subassembly between the inner wall of pivot 2 and mounting 1, flexible subassembly specifically includes a plurality of telescoping pieces 3, and the one end and the pivot 2 of every telescoping piece 3 are connected and the other end butt is in the inner wall of mounting 1 to be connected pivot 2 and mounting 1, no matter telescoping piece 3 butt is in the place of inner wall, all need ensure that telescoping piece 3 is in compression state at least, in order to make it form reaction force and act on pivot 2.

Optionally, the telescopic part in the telescopic part 3 can be a telescopic column and other structures, can play roles in telescopic and supporting, and the elastic part sleeved on the telescopic part can adopt a damping mechanism such as a spring and the like, and both have retractility, so that telescopic reciprocating motion can be performed in the accommodating cavity 101 together, and balance force is provided for fixed hovering of the rotating shaft 2.

Since the plurality of telescopic members 3 are provided to be capable of forming a reaction force acting on the rotating shaft 2, when the rotating shaft 2 is rotated to a predetermined position, the plurality of telescopic members 3 are engaged with each other to fix the rotating shaft 2 in the accommodating chamber 101 of the fixing member 1.

Optionally, the plurality of telescopic members 3 are distributed at intervals along the circumferential direction Z of the rotating shaft 2, so that the rotating shaft 2 can bear forces in multiple angles in the circumferential direction Z, and is balanced and fixed in the accommodating cavity 101, and the more the number of the telescopic members 3 is, the better the balance stability of the rotating shaft 2 in the accommodating cavity 101 is, and the specific number of the telescopic members 3 is not particularly limited.

Because the one end of extensible member 3 is connected with pivot 2, so extensible member 3 can rotate along with pivot 2, and extensible member 3's the other end butt in the inner wall of mounting 1, can understand as movable contact, extensible member 3's the other end can rotate and form sliding friction for the inner wall of mounting 1, and the here needs to control between the two and forms less sliding friction in order to be convenient for extensible member 3's rotation.

When the rotating shaft 2 drives the telescopic piece 3 to rotate, the telescopic piece 3 is compressed from the inner wall of the fixed piece 1 to form a reaction force to act on the rotating shaft 2, but the driving force on the circumferential direction Z of the rotating shaft 2 can overcome the multidirectional reaction force of the telescopic component, and the sliding friction force is controlled to be reduced, so that the rotating shaft 2 can be conveniently rotated manually.

According to the folding device 100 provided by the embodiment of the application, the folding part 10 is arranged between the rotating shaft 2 and the fixing piece 1 through the telescopic component, so that the rotating shaft 2 and the fixing piece 1 can be connected, the reverse acting force provided by the fixing piece 1 on the telescopic component can be used for acting on the rotating shaft 2, further the rotating shaft 2 is extruded from multiple angles, and is enabled to be stationary and fixed at a preset position, and as the rotating shaft 2 is connected with the part to be folded, the rotating shaft 2 drives the part to be folded to rotate at any angle, the fixed hovering of the part to be folded at a certain angle is realized, the use experience of a user is improved, and the requirement of the user on the fixed hovering of the part to be folded is met.

As an alternative embodiment, referring to fig. 1 to 3, the number of the folding portions 10 is two, the rotation axes 2 of the two folding portions 10 are spaced apart and arranged in parallel, the folding device 100 further includes a connecting portion 20, the two folding portions 10 are connected by the connecting portion 20, and the rotation axis 2 of one folding portion 10 can rotate relative to the rotation axis 2 of the other folding portion 10.

As for the folded portions 10 as described above, two folded portions 10 may be provided, and the respective rotation shafts 2 of the two folded portions 10 may be arranged in parallel with a certain distance therebetween, so that mutual interference caused by structural interference of the two folded portions is avoided.

Alternatively, the two folding portions 10 may be integrally connected by the connecting portion 20, so that the overall control thereof is facilitated, and the distance between the two folding portions 10 should not be excessively large to reduce the formed gap.

The specific structure and the connection manner of the connection portion 20 are not particularly limited in the present application, and the two folded portions 10 may be integrally connected.

The rotation shaft 2 of any one of the folding portions 10 can rotate relative to the rotation shaft 2 of the other folding portion 10, for example, one of the rotation shafts 2 can be rotated, and the other rotation shaft 2 can be kept stationary.

Optionally, the two rotating shafts 2 can also rotate simultaneously, and can rotate clockwise or anticlockwise, and the rotation direction and the rotation speed of the two rotating shafts can be manually adjusted, so that the two rotating shafts relatively rotate to form different hover angles, and different adjustment requirements are met.

According to the folding device 100 provided by the embodiment of the application, the two folding parts 10 are arranged in the folding device 100, so that the folding device 100 can be controlled and regulated simultaneously, has various regulation modes and adaptation working conditions, realizes the bidirectional regulation of the parts to be folded, improves the flexibility of regulation, can further form more hovering states on the basis of finishing hovering, and meets more hovering requirements of users.

As an alternative embodiment, referring to fig. 3, the connection part 20 includes a connection band 21, and the connection band 21 surrounds and encloses at least part of the two fixing members 1 along the radial direction Y of the rotation shaft 2 so that the two folding parts 10 are connected, and the two fixing members 1 are arranged in the middle of the connection band 21 along the radial direction Y.

Alternatively, the connection part 20 may employ a connection band 21, the connection band 21 is a ring-shaped closed structure, the fixing members 1 of the two folding parts 10 are wound one turn in the radial direction Y by the connection band 21, and part of the surfaces of the two fixing members 1 are wrapped by the wound connection band 21 and form contact connection so that the two folding parts 10 and the connection part 20 form an integral structure.

Since both fixing elements 1 are stationary, they can either be kept at a distance from each other in the radial direction Y in the connecting band 21 or can be in proper contact to reduce the distance between the two folds 10.

The connecting portion 20 in the present application is not limited to the structure of the connecting band 21, but may be a structure of a connecting rod, a connecting plate, or the like, or two fixing members 1 are directly connected in contact with each other to form an integral structure, so long as the integral structure of the two folding portions 10 can be satisfied, the specific structure of the connecting portion 20 is not particularly limited.

According to the folding device 100 provided by the embodiment of the application, the connecting part 20 adopts the structure of the connecting belt 21, so that a feasible connecting mode is provided, and the two folding parts 10 are connected to form an integral structure and are subjected to cladding treatment, so that the internal rotation is prevented from being influenced by the outside, a certain isolation protection is formed, and the service life of the folding device 100 is prolonged.

As an alternative embodiment, referring to fig. 4 and 5, the telescopic members 3 are arranged in pairs, and the telescopic members 3 arranged in pairs are symmetrically distributed around the rotation shaft 2.

Alternatively, the expansion pieces 3 are arranged in pairs, whereby it is known that the total number of the expansion pieces 3 is an even number, and the specific number of the expansion pieces 3 is not particularly limited in the present application.

Each pair of telescopic members 3 is symmetrically distributed by taking the rotating shaft 2 as a center, and in the pair of telescopic members 3, the acting forces formed by the single telescopic member 3 on the rotating shaft 2 are opposite, so that the acting forces formed by each pair of telescopic members 3 on the rotating shaft 2 can be balanced with each other, and the rotating shaft 2 can be static in the accommodating cavity 101.

The telescopic members 3 arranged in pairs can be located at any angle position on the circumferential direction Z of the rotating shaft 2, and the telescopic members 3 arranged in pairs can balance the rotating shaft 2 at multiple angles of the rotating shaft 2, so that the stability of the rotating shaft 2 is further improved.

According to the folding device 100 provided by the embodiment of the application, the telescopic pieces 3 are arranged in pairs and symmetrically distributed around the rotating shaft 2, so that the rotating shaft 2 has better balance performance, the deflection in the rotating process of the rotating shaft 2 is avoided, and the stability of the rotating shaft 2 in the static state and the running state is improved.

As an alternative embodiment, with continued reference to fig. 4 and 5, the inner wall of the fixing member 1 has alternately arranged concave portions 11 and convex portions 12, the concave portions 11 being concavely arranged toward the rotation shaft 2, the convex portions 12 being convexly arranged toward the rotation shaft 2, and the expansion member 3 being compressed when passing the convex portions 12 and being stretched when passing the concave portions 11.

The inner wall of the fixing member 1 in the present embodiment has an irregular contour, and may be provided with circular arc contours, and only the local orientation is adjusted, thereby forming an alternate structure having concave portions 11 and convex portions 12.

The concave portion 11 formed therein is concavely disposed toward the rotating shaft 2, which means that the inner wall of the fixing member 1 is partially hollowed out, while the convex portion 12 is convexly disposed toward the rotating shaft 2, which means that the inner wall of the fixing member 1 is partially raised, so that the inner wall of the fixing member 1 is alternately disposed to be of an uneven structure.

Alternatively, the concave portion 11 and the convex portion 12 of the inner wall of the fixing member 1 may have arc lengths and radii different from each other, so that the radial Y distances from the intermediate rotation shaft 2 to the inner wall of the fixing member 1 are different from each other, in addition to the orientations.

It will be appreciated that the concave portions 11 and the convex portions 12 of the inner wall of the mount 1 are alternately distributed one after the other in the circumferential direction Z, thereby forming petal-shaped inner walls.

When the telescopic member 3 is abutted against the inner wall of the fixing member 1 to rotate, the telescopic member 3 is always in a compressed and extended reciprocating motion state due to the uneven petal-shaped inner wall, and has contraction elasticity.

When the expansion piece 3 passes the convex part 12 of the inner wall, the convex part 12 compresses the expansion piece 3 due to the decrease of the radial Y distance from the rotating shaft 2 to the inner wall, and the expansion piece 3 gradually enters the compressed state due to the increase of the radial Y distance from the rotating shaft 2 to the inner wall when the expansion piece 3 passes the concave part 11 of the inner wall.

The expansion member 3 gradually expands when passing through the concave portion 11 of the inner wall, and the expansion process is only relative to the expansion when passing through the convex portion 12, the expansion member 3 is compressed when passing through the concave portion 11, and the reverse elastic force is always applied to the rotating shaft 2, so as to ensure the balance fixation of the rotating shaft 2.

When the expansion element 3 rotates in the uneven inner wall, it is more necessary to reduce the sliding friction force between the expansion element 3 and the inner wall so that the expansion element 3 smoothly transitions in the inner wall where the concave portions 11 and the convex portions 12 are alternately arranged.

According to the folding device 100 provided by the embodiment of the application, the inner wall of the fixing piece 1 is provided with the petal-shaped outline with the concave part 11 and the convex part 12, so that the rotating telescopic piece 3 is always in a telescopic reciprocating motion state, a reaction force is continuously provided for the rotating shaft 2, the balance hovering of the rotating shaft 2 is dynamically maintained, the buffer protection of the rotating shaft 2 is formed, meanwhile, the telescopic performance of the telescopic piece 3 can adapt to inner wall structures with different outlines, and the folding device can be applied to more rotating environments and has better application adaptability.

As an alternative embodiment, with continued reference to fig. 4 and 5, each expansion element 3 of the expansion assembly is disposed on the shaft 2 at intervals corresponding to the recess 11 and/or the projection 12.

For a specific position of the telescopic member 3 on the rotating shaft 2, it may be determined corresponding to the contour of the inner wall of the fixing member 1, for example, the concave portion 11 and/or the convex portion 12 of the telescopic member 3 corresponding to the inner wall are connected to the rotating shaft 2.

Alternatively, the telescopic members 3 may be arranged on the rotating shaft 2 only corresponding to the concave portions 11 of the inner wall, and when the telescopic members are stationary, one end of each telescopic member 3 in the telescopic assembly is connected to the rotating shaft 2, and the other ends thereof are respectively abutted to the positions of each concave portion 11 on the inner wall.

Similarly, when the telescopic member 3 is stationary, only the protrusion 12 corresponding to the inner wall may be disposed on the rotating shaft 2, or the telescopic member 3 may be disposed on the rotating shaft 2 simultaneously with the protrusion 12 and the recess 11 corresponding to the inner wall, so that the positions of the protrusion 12 and the recess 11 of the inner wall are both corresponding to the telescopic member 3.

When the expansion and contraction member 3 is placed in such a manner as to abut against the concave portion 11 and/or the convex portion 12 of the inner wall at rest, a reaction force can be regularly provided to the rotating shaft 2 even when the expansion and contraction member is rotated, and the expansion and contraction member 3 can be abutted against the concave portion 11 and/or the convex portion 12 of the inner wall at least in a certain state, thereby balancing and fixing the rotating shaft 2.

According to the folding device 100 provided by the embodiment of the application, the concave part 11 and/or the convex part 12 of the inner wall corresponding to the telescopic part 3 are arranged on the rotating shaft 2 when the folding device is stationary, so that the arrangement of the telescopic assembly on the rotating shaft 2 has certain regularity, and when the telescopic part 3 rotates to the corresponding concave part 11 and/or convex part 12, the elastic force formed by the telescopic part 3 corresponds to the minimum value and/or the maximum value, so that the whole telescopic assembly is in the extreme value state, and the optimal hovering balance state is achieved.

As an alternative embodiment, please continue to refer to fig. 4 and 5, the concave portions 11 are arranged in pairs, the concave portions 11 arranged in pairs are symmetrically distributed about the rotation axis 2, the convex portions 12 are arranged in pairs, and the convex portions 12 arranged in pairs are symmetrically distributed about the rotation axis 2.

In this embodiment, a symmetrical structure of petal-shaped inner walls is provided, so that the concave portions 11 are symmetrically distributed in pairs, and the convex portions 12 are symmetrically distributed in pairs, thereby further improving the overall regularity.

In this way, the telescopic members 3 corresponding to the concave portions 11 and/or the convex portions 12 arranged on the rotating shaft 2 are symmetrically distributed in pairs, so that the telescopic members 3 are regularly distributed, and opposite and equal acting elastic forces are provided for the rotating shaft 2, so that the rotating shaft 2 is balanced more stably whether rotating or hovering.

The number of pairs of the concave portions 11 and the convex portions 12 of the inner wall of the fixing member 1 is not particularly limited, and the specific number thereof also determines the number of the telescopic members 3 and the degree of densely arranged telescopic members, so long as smooth transition of the inner wall and maintenance of the interval between the corresponding telescopic members 3 can be ensured.

According to the folding device 100 provided by the embodiment of the application, the petal-shaped inner walls are adjusted to be symmetrical structures, so that the concave parts 11 and the convex parts 12 are respectively and symmetrically distributed by taking the rotating shaft 2 as the center, the whole folding device has regularity, the layout of the telescopic parts 3 on the rotating shaft 2 is more facilitated, the corresponding arrangement is also regular, acting force can be better provided for the telescopic parts 3, balance is offset, and the hovering stability of the rotating shaft 2 is further improved.

As an alternative embodiment, referring to fig. 2 to 5, the folding portion 10 further includes an adaptor 4, the adaptor 4 has a through hole 41 penetrating along the axial direction X, the rotating shaft 2 is inserted into the through hole 41 and connected with the telescopic member 3 through the adaptor 4, one end of the telescopic member 3 is connected with the rotating shaft 2 through the adaptor 4, and the other end of the telescopic member is abutted against the inner wall of the fixing member 1, and the rotating shaft 2 can drive the adaptor 4 to rotate so as to drive the telescopic member 3 to rotate relative to the fixing member 1.

Optionally, an adaptor 4 is disposed between the rotating shaft 2 and the telescopic member 3, so that in order to adapt to the structure of the rotating shaft 2, the adaptor 4 may be disposed in a cylindrical structure, and since the adaptor 4 is located between the rotating shaft 2 and the telescopic member 3, it is required to ensure that the radial Y size of the adaptor 4 is smaller than the radial Y size of the fixing member 1, so that the adaptor 4 can be located in the accommodating cavity 101 of the fixing member 1.

The adaptor 4 is provided with a cylindrical through hole 41 penetrating along the axial direction X, so that the rotating shaft 2 is inserted into the through hole 41, the axial direction X of the adaptor 4 is smaller than the length of the rotating shaft 2, at least two ends of the rotating shaft 2 can be exposed, and the adaptor is used for connecting the parts to be folded.

The rotating shaft 2 is inserted into the through hole 41 of the adapter 4, and the rotating shaft 2 and the through hole are tightly connected, so that the rotating shaft 2 can drive the adapter 4 to rotate together, and the rotating shaft can also rotate clockwise or anticlockwise.

Because the rotating shaft 2 is inserted into the adapter 4, and the adapter 4 can rotate along with the rotating shaft 2, one end of the telescopic piece 3 needs to be connected to the adapter 4 to form indirect connection with the rotating shaft 2, the other end of the telescopic piece is normally abutted against the inner wall of the fixing piece 1, and the telescopic piece 3 is driven to rotate by the rotation of the adapter 4.

When rotated to a predetermined position, the reverse force formed by the telescopic member 3 is firstly applied to the adaptor 4, and the telescopic assembly integrally forms a pressing force on the adaptor 4, so that the adaptor 4 hovers statically in the accommodating cavity 101, and the spliced rotating shaft 2 also remains hovered statically.

According to the folding device 100 provided by the embodiment of the application, the adapter 4 is arranged in the folding part 10 and sleeved on the rotating shaft 2, so that indirect connection is formed between the rotating shaft 2 and the telescopic piece 3, on the basis of realizing transmission, the telescopic piece 3 is prevented from being in direct contact with the rotating shaft 2, the rotating shaft 2 is protected in a local isolation way, the abrasion in the rotating process is reduced, and the service life of the structure is prolonged.

As an alternative embodiment, referring to fig. 2 to 5, the folding portion 10 further includes a limiting member 5, where the limiting member 5 is sleeved on the rotating shaft 2, one end of the limiting member 5 is connected to the rotating shaft 2, and the other end of the limiting member 5 abuts against the adaptor 4, and the limiting member 5 is configured to block the adaptor 4 from moving along the axial direction X.

Alternatively, the limiting member 5 may be a spring structure or a block structure, and may be capable of forming a block in the axial direction X for the adaptor 4.

Specifically, the limiting piece 5 can be sleeved at the exposed part of the rotating shaft 2, one end of the limiting piece 5 is fixed, the other end of the limiting piece is abutted against the adapter piece 4, when the rotating shaft 2 drives the adapter piece 4 to rotate, if the adapter piece 4 moves along the axial direction X, the arranged limiting piece 5 can prop against the adapter piece 4, so that the blocking is formed on the adapter piece 4, and the shifting is prevented.

If the limiting piece 5 adopts a spring structure, a certain buffer can be formed on the adapter piece 4 in the axial direction X, so that the damage caused by hard extrusion between the structures is avoided.

Optionally, the folding portion 10 has two limiting members 5, and the two limiting members 5 are respectively disposed on two sides of the adaptor 4 in the axial direction X, so that both ends of the adaptor 4 can be blocked, and the adaptor 4 is prevented from moving back and forth on the rotating shaft 2.

According to the folding device 100 provided by the embodiment of the application, the limiting piece 5 is arranged in the folding part 10, so that the adapter 4 can be fixed in the axial direction X, the forward and backward movement of the adapter 4 on the rotating shaft 2 is avoided, the telescopic piece 3 on the adapter 4 is ensured to be always abutted against the inner wall of the fixing piece 1, the rotating shaft 2 is fixed and hovered, and the hovering reliability of the rotating shaft 2 is improved.

As an alternative embodiment, referring to fig. 2 to 5, the folding portion 10 further includes a shielding member 6, the shielding member 6 is disposed between the limiting member 5 and the adaptor 4, the adaptor 4 can rotate relative to the shielding member 6, one end of the limiting member 5 is connected to the rotating shaft 2, and the other end is abutted against the shielding member 6.

Considering that the adapter 4 needs to rotate, the limiting piece 5 is in direct contact with the adapter 4, and in order to avoid abrasion between the limiting piece and the adapter, a shielding piece 6 can be arranged between the limiting piece and the adapter.

Optionally, the shielding member 6 has a plate-shaped structure, and the shielding member 6 is provided with a through hole, the rotating shaft 2 is inserted into the adapter 4 after passing through the through hole of the shielding member 6, and the shielding member 6 is sleeved on the rotating shaft 2 and is static relative to the rotating shaft 2.

The limiting piece 5 is abutted on the shielding piece 6, so that the direct contact with the adapter piece 4 is avoided to cause abrasion while the indirect blocking is formed on the adapter piece 4.

According to the folding device 100 provided by the embodiment of the application, the shielding piece 6 is arranged in the folding part 10, so that the limiting piece 5 and the adapter piece 4 can be separated, direct contact between the limiting piece 5 and the adapter piece 4 is avoided, abrasion caused by rotation is reduced, the safety performance between rotating parts is improved, the service life between structures is prolonged, and meanwhile, the shielding piece 6 can also form blocking on the adapter piece 4 in the axial direction X and has a certain limiting capacity.

The display device provided by the embodiment of the application comprises a display panel and the folding device 100, wherein the folding device 100 is connected with the display panel so that the display panel can be folded.

It should be noted that, the display device in this embodiment may be an electronic device such as a mobile phone or a tablet computer, so long as the device having a foldable display panel can be folded by the folding device 100 and realize free hovering at any angle, and the specific structure and the use environment of the display device are not particularly limited.

According to the folding device 100 and the display device provided by the embodiments of the application, the folding part 10 is arranged between the rotating shaft 2 and the fixing piece 1 through the telescopic component, so that the connection between the rotating shaft 2 and the fixing piece 1 can be realized, the reverse acting force provided by the fixing piece 1 on the telescopic component can be used for acting on the rotating shaft 2, further the rotating shaft 2 is extruded from multiple angles, so that the rotating shaft 2 is stationary and fixed at a preset position, and as the rotating shaft 2 is connected with the part to be folded, the rotating shaft 2 drives the part to be folded to rotate at any angle, the fixed hovering of the part to be folded at a certain angle is realized, the use experience of a user is improved, and the requirement of the user on the fixed hovering of the part to be folded is met.

While the application has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the application. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (13)

1. A folding device comprising a folding portion for connection with a component to be folded, wherein the folding portion comprises:

A fixing member having a receiving chamber;

The rotating shaft is arranged in the accommodating cavity and axially penetrates through the fixing piece along the self-axis;

the telescopic assembly comprises more than two telescopic pieces which are arranged at intervals along the circumferential direction of the rotating shaft, one end of each telescopic piece is connected with the rotating shaft, and the other end of each telescopic piece is abutted against the inner wall of the fixing piece;

The rotating shaft can rotate around the axis of the rotating shaft and drive the telescopic assembly to rotate relative to the fixing piece;

The telescopic part comprises a telescopic part and an elastic part, one end of the telescopic part is connected to the outer peripheral surface of the rotating shaft, the other end of the telescopic part is abutted to the inner wall of the fixing part, the elastic part is sleeved on the telescopic part and can follow the telescopic part to do telescopic motion, and the telescopic part and the elastic part are telescopic and can extrude the rotating shaft.

2. The folding device of claim 1, wherein the telescoping portion comprises a telescoping post and the resilient portion comprises a spring.

3. The folding device according to claim 1, wherein the number of the folding portions is two, the rotation axes of the two folding portions are spaced apart and arranged in parallel, the folding device further comprises a connecting portion, the two folding portions are connected by the connecting portion, and the rotation axis of any one folding portion can rotate relative to the rotation axis of the other folding portion.

4. A folding device according to claim 3, wherein the connecting portion includes a connecting band which surrounds and encloses at least part of the two fixing members in a radial direction of the rotation shaft so as to connect the two folding portions, the two fixing members being arranged in the radial direction.

5. The folding device according to claim 1, wherein the telescopic members are arranged in pairs, and the telescopic members arranged in pairs are symmetrically distributed about the rotation axis.

6. The folding device of claim 1, wherein the inner wall of the securing member has alternately arranged recesses and protrusions, the recesses being concavely arranged toward the rotational axis, the protrusions being convexly arranged toward the rotational axis, the telescoping member being compressed when passing over the protrusions and being stretched when passing over the recesses.

7. The folding device of claim 6, wherein the number of the telescopic members in the telescopic assembly is equal to the sum of the concave portions and the convex portions, and a distance between adjacent two telescopic members abutting one end of the fixing member is equal to a distance between adjacent concave portions and convex portions.

8. The folding apparatus according to claim 7, wherein the concave portions are arranged in pairs, the concave portions arranged in pairs are symmetrically distributed about the rotation axis, the convex portions are arranged in pairs, and the convex portions arranged in pairs are symmetrically distributed about the rotation axis.

9. The folding device according to claim 1, wherein the folding portion further comprises an adapter, the adapter has a through hole penetrating along the axial direction, the rotating shaft is inserted in the through hole and connected with the telescopic member through the adapter, one end of the telescopic member is connected with the rotating shaft through the adapter, the other end of the telescopic member abuts against the inner wall of the fixing member, and the rotating shaft can drive the adapter to rotate so as to drive the telescopic member to rotate relative to the fixing member.

10. The folding device of claim 9, wherein the folding portion further comprises a limiting member, the limiting member is sleeved on the rotating shaft, one end of the limiting member is connected to the rotating shaft, the other end of the limiting member abuts against the adapter, and the limiting member is configured to block the adapter from moving along the axial direction.

11. The folding device according to claim 10, wherein the folding portion has two of the stoppers, the two of the stoppers being provided on both sides of the adapter in the axial direction, respectively.

12. The folding device of claim 11, wherein the folding portion further comprises a shielding member disposed between the limiting member and the adapter member, the adapter member being rotatable relative to the shielding member, one end of the limiting member being connected to the rotating shaft and the other end of the limiting member being abutted to the shielding member.

13. A display device comprising a display panel and a folding device according to any one of claims 1 to 12, the folding device being connected to the display panel to make the display panel foldable.