CN115701703B - Foldable equipment and protective device - Google Patents
Foldable equipment and protective device Download PDFInfo
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- CN115701703B CN115701703B CN202110882080.8A CN202110882080A CN115701703B CN 115701703 B CN115701703 B CN 115701703B CN 202110882080 A CN202110882080 A CN 202110882080A CN 115701703 B CN115701703 B CN 115701703B
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- barrier
- baffle
- rigid
- housing
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- 230000001681 protective effect Effects 0.000 title claims abstract description 28
- 230000004888 barrier function Effects 0.000 claims abstract description 111
- 238000001746 injection moulding Methods 0.000 claims abstract description 81
- 238000002347 injection Methods 0.000 claims description 62
- 239000007924 injection Substances 0.000 claims description 62
- 230000020347 spindle assembly Effects 0.000 claims description 8
- 239000004642 Polyimide Substances 0.000 claims description 5
- 229920001721 polyimide Polymers 0.000 claims description 5
- 229920001225 polyester resin Polymers 0.000 claims description 4
- 239000004645 polyester resin Substances 0.000 claims description 4
- 238000005452 bending Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 7
- 239000000428 dust Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 11
- 230000000903 blocking effect Effects 0.000 description 10
- 230000001413 cellular effect Effects 0.000 description 7
- 239000012535 impurity Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004512 die casting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/20—Arrangements for preventing acoustic feed-back
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The application provides foldable equipment and a protective device, relates to the technical field of electronic equipment, and aims to solve the technical problem that a flexible screen is exposed. The protective device comprises a rigid baffle and a flexible baffle, and the rigid baffle is fixedly connected with the rotating shaft assembly; in a direction parallel to the display surface of the flexible screen, the projection of the rigid barrier covers a portion of the side edge of the flexible screen; the flexible baffle is fixedly connected with the rigid baffle through the first injection molding body, and the projection of the flexible baffle covers part of the display surface of the flexible screen in the direction perpendicular to the display surface; in folding and unfolding processes of the foldable device, the flexible baffle can generate bending deformation, and plays a good shielding role on the display surface of the flexible screen, when the flexible baffle and the rigid baffle are impacted by foreign matters, the flexible baffle and the rigid baffle can effectively block the foreign matters, so that safety of the flexible screen can be guaranteed.
Description
Technical Field
The application relates to the technical field of electronic equipment, in particular to foldable equipment and a protective device.
Background
Foldable devices have been widely used in people's lives for good portability and large usable areas. Taking a foldable mobile phone as an example, the foldable mobile phone has a smaller volume after folding, so that the foldable mobile phone is convenient for a user to carry. When the flexible screen is unfolded, a larger display area can be provided, so that the use feeling of a user can be obviously improved. In practical application, the frame is arranged around the foldable mobile phone, so that the flexible screen can be shielded and protected. However, since the current frame is generally not easy to bend, in the foldable mobile phone, the frame does not cover the bending area, and therefore, the side edge of the flexible screen in the area is exposed. Is easily damaged when subjected to external forces.
Disclosure of Invention
The application provides a foldable device and a protective device capable of effectively shielding the exposed edge of a flexible screen.
In one aspect, the present application provides a foldable device comprising a first housing, a second housing, a spindle assembly, and a flexible screen; the first shell and the second shell are connected through a rotating shaft assembly so as to be folded or unfolded relatively. The flexible screen has a display surface and a back surface, the back surface being connected to the first housing and the second housing. Wherein the foldable device further comprises a shielding means. The shielding device may include a rigid barrier and a flexible barrier. The rigid baffle is fixedly connected with the rotating shaft assembly. In the direction parallel to the display surface, the projection of the rigid baffle covers part of the side edges of the flexible screen, so that the side edges of the flexible screen can be well shielded, and the first shell and the second shell are effectively connected, so that impurities such as foreign matters or dust can be well blocked. In addition, when the rigid baffle is positioned at the joint between the first shell and the second shell, the continuity of the foldable equipment can be effectively improved, so that the integrity of the foldable equipment is guaranteed. The flexible baffle is fixedly connected with the rigid baffle through the first injection molding body. In a direction perpendicular to the display surface, the projection of the flexible barrier covers a portion of the display surface of the flexible screen. When the foldable equipment is gradually folded from a fully unfolded state, the bending area of the flexible screen generates bending deformation, the surface of the flexible screen is propped against the flexible baffle, and the flexible baffle is driven to generate bending deformation along with the flexible screen. When the foldable device is gradually unfolded from the fully folded state, the bending region of the flexible screen is subjected to bending deformation. In addition, under the self elasticity of the flexible baffle, the flexible baffle and the flexible screen always keep effective fit. In summary, in the folding and unfolding process of the foldable device, the flexible baffle can play a good shielding role on the display surface of the flexible screen, and when the flexible baffle is impacted by foreign matters, the flexible baffle can effectively block the foreign matters, so that the safety of the flexible screen can be ensured.
In summary, under the combined action of the rigid baffle and the flexible baffle, the exposed edge part of the flexible screen can be effectively shielded in an omnibearing manner, and the normal folding and unfolding of the flexible screen cannot be influenced, so that the flexible screen can be well protected, and the integrity of foldable equipment can be ensured.
In particular applications, the flexible barrier may be a strip-like structure. Specifically, the flexible baffle may be a straight strip-like structure, or may be a strip-like structure that is locally curved or has a certain curvature. Or the flexible baffle may be in other shapes, and the specific shape of the flexible baffle is not limited in the present application.
In addition, in the aspect of material selection, the flexible baffle can be made of a material with better flexibility and certain strength. For example, the flexible barrier may be made of polyester resin or polyimide. Wherein the modulus of the flexible barrier 12 may be greater than or equal to 2GPa and less than or equal to 3GPa. So that the flexible barrier 12 has a good rigidity and, at the same time, can have a good flexibility.
The manner of connection between the rigid and flexible baffles may also be varied in specific applications.
For example, the rigid baffle and the flexible baffle can be fixedly connected through an insert injection molding mode. Specifically, the first plate surface of the rigid baffle plate is provided with a convex connecting part, and one side of the connecting part, facing the flexible baffle plate, is provided with a first groove. The flexible baffle has a through hole penetrating the third plate surface and the fourth plate surface. The first injection molding body comprises an injection molding body filled in the first groove and an injection molding body filled in the through hole, so that the rigid baffle plate and the flexible baffle plate are fixedly connected.
In some embodiments, the first panel of the rigid barrier may be provided with a second recess. And part of the injection molding body of the first injection molding body is filled in the second groove, so that the combination area between the first injection molding body and the rigid baffle plate can be effectively increased, and the defects such as falling off and the like between the first injection molding body and the rigid baffle plate are prevented. It is understood that, in the specific implementation, the second groove may have a rectangular, oval or circular groove-like structure, and the specific shape and outline of the second groove are not limited in the present application.
In addition, in some implementations, the bottom wall of the second groove may be provided with an injection hole, and a portion of the first injection body may be filled in the injection hole, so that a bonding area between the first injection body and the rigid baffle may be increased, which is beneficial to increasing connection reliability between the first injection body and the rigid baffle.
To prevent the injection body filled in the injection hole from falling out of the injection hole, in some embodiments, the cross-sectional area of both ends of the injection hole may be larger than the cross-sectional area between both ends of the injection hole. Or it is understood that both ends of the injection hole are flared. When the injection molding body receives a drawing force parallel to the axis direction of the injection molding hole, the injection molding body can be prevented from being pulled out of the injection molding hole through the abutting between the injection molding body and the flaring. Thereby can effectively promote the connection stability between first injection molding body and the rigidity baffle.
In order to facilitate a secure connection between the rigid barrier and the spindle assembly, the rigid barrier may have a flange when embodied. The flange is used for being inserted into the groove of the rotating shaft assembly and is fixedly connected with the rotating shaft assembly through a second injection molding body filled in the groove.
In some implementations, the sides of the flange may be provided with bosses. After the second injection molding body is filled in the gap between the flange and the groove, the boss can be embedded in the second injection molding body, so that the mechanical connection between the rigid baffle and the second injection molding body can be realized, and the flange and the second injection molding body can be effectively prevented from being separated.
In addition, in order to promote the filling effect of second injection molding body, can set up the fender wall muscle in the both sides of boss. Specifically, when filling the second injection molding body, under the effect of the wall rib, the second injection molding body is convenient to fully fill in the gap between the flange and the groove. And in addition, the outer surface of each boss is fully wrapped by the second injection molding body. Therefore, the connecting effect between the rigid baffle and the second injection molding body is improved.
When the novel flexible screen is applied specifically, one end of the rigid baffle can extend to the inner side of the first shell (between the first shell and the side edge of the flexible screen) so as to effectively prevent obvious gaps from occurring between the rigid baffle and the first shell, and further improve the tightness between the rigid baffle and the first shell, so that the novel flexible screen has a good blocking effect on dust and foreign matters. Accordingly, the other end of the rigid barrier may extend to the inside of the second housing (which may also be understood as being between the first housing and the side of the flexible screen). Therefore, obvious gaps can be effectively prevented from occurring between the rigid baffle and the second shell, and obvious gaps are prevented from occurring between the rigid baffle and the second shell.
In addition, when specifically using, one end of the flexible baffle can extend to the inner side of the first shell (can also be understood as between the first shell and the display surface of the flexible screen) so as to avoid obvious gaps between the flexible baffle and the first shell, thereby improving the tightness between the flexible baffle and the first shell and playing a good role in blocking dust and foreign matters. Correspondingly, the other end of the flexible baffle can extend to the inner side of the second shell and can be understood as being between the first shell and the display surface of the flexible screen), so that obvious gaps are avoided between the flexible baffle and the second shell, tightness between the flexible baffle and the second shell can be improved, and good blocking effect on dust and foreign matters is achieved.
It is understood that, in the specific application, the length that the flexible baffle extends to in the first frame can be rationally set up according to actual demand. Correspondingly, the length that flexible baffle extended to in the second frame also can carry out reasonable setting according to actual demand.
In addition, in particular applications, in order to promote the tightness of the foldable device. A first seal may be disposed between the first housing and the flexible screen, and a second seal may be disposed between the second housing and the flexible screen. The first sealing piece is in airtight connection with the flexible screen of the first shell so as to prevent dust, water vapor and other impurities from entering the first shell. The second sealing element is in airtight connection with the flexible screen of the second shell so as to prevent dust, water vapor and other impurities from entering the second shell.
In the folding and unfolding process, the length of one end of the flexible baffle extending into the first shell is changed, and correspondingly, the length of the other end of the flexible baffle extending into the second shell is also changed. Thus, to prevent the flexible barrier from touching the first and second seals, the length of the flexible barrier may be less than or equal to the length of the connection between the first and second seals.
In addition, the protective device may be applied to a variety of different types of foldable devices for specific applications. The application does not limit the specific application scene of the protection device.
Drawings
Fig. 1 is a schematic perspective view of a foldable mobile phone in an unfolded state according to an embodiment of the present application;
fig. 2 is a schematic perspective view of a foldable mobile phone in a folded state according to an embodiment of the present application;
fig. 3 is a schematic perspective view of another foldable mobile phone according to an embodiment of the present application in an unfolded state;
Fig. 4 is a perspective view of a protective device according to an embodiment of the present application;
Fig. 5 is a perspective view of another view of a protective device according to an embodiment of the present application;
Fig. 6 is an exploded view of a protective device according to an embodiment of the present application;
FIG. 7 is a schematic view of an exploded view of a protective device according to an embodiment of the present application;
FIG. 8 is an exploded view of a part of a foldable device according to an embodiment of the present application;
Fig. 9 is a schematic partial structure of a foldable device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings.
In order to facilitate understanding of the foldable device provided by the embodiment of the present application, an application scenario thereof will be first described below.
As shown in fig. 1, taking the foldable device 01 as an example of a foldable mobile phone, the foldable mobile phone is in an unfolded state. The foldable cellular phone may include a first housing 011, a second housing 012, a hinge assembly (not shown), and a flexible screen 013. The back surface of the flexible screen 013 (i.e., the surface facing away from the display surface) is fixedly connected to the first housing 011 and the second housing 012. The first housing 011 and the second housing 012 are connected by a rotation shaft assembly so that the first housing 011 and the second housing 012 can be relatively folded or unfolded. When the foldable mobile phone is in a fully unfolded state, the first housing 011 and the second housing 012 are approximately located on the same plane, and the flexible screen 013 is unfolded to be in a flat state, so that a larger display area and an operable area can be provided, and the use experience of a user can be effectively improved.
As shown in fig. 2, when the foldable mobile phone is in a fully folded state, the first housing 011 and the second housing 012 are attached to each other, the flexible screen 013 may be located between the first housing 011 and the second housing 012, and when the foldable mobile phone falls or receives an external force, the first housing 011 and the second housing 012 can play a good protection role on the flexible screen 013, so that the safety of the flexible screen 013 can be ensured. In addition, after the foldable mobile phone is in a folded state, the occupied area of the foldable mobile phone can be effectively reduced, so that portability can be effectively improved.
In practical applications, the first housing 011 and the second housing 012 are generally made of a material having high structural strength such as aluminum alloy, and are not easily deformed. Therefore, when the foldable cellular phone is folded and unfolded, in order to avoid interference between the first housing 011, the second housing 012 and the flexible screen 013, a certain space is left at the junction between the first housing 011 and the second housing 012. Alternatively, it is also understood that the edge portion a (including a portion of the side B and a portion of the display surface C) of the flexible screen 013 may be exposed between the first housing 011 and the second housing 012. In the daily use process of the user, impurities such as dust easily enter the inside of the foldable mobile phone from the gap between the exposed edge part A of the flexible screen 013 and the first shell 011 and the second shell 012, thereby causing adverse effects on the normal use of the foldable mobile phone. In addition, the integrity and aesthetics of the foldable handset can be reduced.
Therefore, the embodiment of the application provides the foldable device with the protection device, the protection device is arranged at the joint between the first shell 011 and the second shell 012, and when the foldable device 01 is folded and unfolded, the exposed edge part A of the flexible screen 013 can be effectively shielded, so that the safety of the flexible screen 013 can be improved. In addition, the integrity and tightness of the foldable device 01 can be improved.
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be described in further detail with reference to the accompanying drawings and specific embodiments.
The terminology used in the following examples is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the specification of the present application and the appended claims, the singular forms "a," "an," and "the" are intended to include, for example, "one or more" such forms of expression, unless the context clearly indicates to the contrary. It should also be understood that in the following embodiments of the present application, "at least one" means one, two, or more than two.
Reference in the specification to "one embodiment" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in various places throughout this specification are not necessarily all referring to the same embodiment, but mean "one or more, but not all, embodiments" unless expressly specified otherwise. The terms "comprising," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.
As shown in fig. 3, in one embodiment provided by the present application, protective device 10 includes a rigid barrier 11 and a flexible barrier 12.
Please refer to fig. 3 to fig. 5 in combination. In a direction parallel to the display surface (e.g., the first direction in the drawing), the projection of the rigid barrier 11 covers a part of the side edge of the flexible screen 013. Specifically, the rigid baffle 11 has a first plate surface 11a and a second plate surface 11b, and the first plate surface 11a is disposed toward the side edge of the flexible screen 013, so that a good shielding effect can be achieved on the side edge of the flexible screen 013, and the first housing 011 and the second housing 012 are effectively joined to achieve a good blocking effect on foreign matters, dust, and other impurities. In addition, when the rigid barrier 11 is located at the junction between the first housing 011 and the second housing 012, the continuity of the foldable device can be effectively improved, thereby contributing to ensuring the integrity of the foldable device. In addition, since the rigid barrier 11 is fixedly connected to the rotation shaft assembly, it is not necessary to provide a corresponding structure for connection with the rigid barrier 11 in the first housing 011 or the second housing 012, and thus it is advantageous to realize a slim design of the first housing 011 and the second housing 012. Alternatively, it is understood that when the rigid barrier 11 is connected to the first housing 011 or the second housing 012, it is necessary to provide a corresponding connection structure in the first housing 011 or the second housing 012, and therefore, the thickness and the like of the first housing 011 or the second housing 012 are increased, and thus, the thin and lightweight design of the first housing 011 and the second housing 012 is not advantageous.
In a direction perpendicular to the display surface (e.g., the second direction in the drawing), the projection of the flexible barrier 12 covers a part of the display surface of the flexible screen 013. Specifically, the flexible barrier 12 is located on one side of the first plate surface 11a of the rigid barrier 11, and is fixedly connected to the rigid barrier 11. The flexible barrier 12 has a third plate surface 12a and a fourth plate surface 12b, and the third plate surface 12a is disposed toward the display surface of the flexible screen 013. When the foldable device is gradually folded from the fully unfolded state, the bending area of the flexible screen 013 generates bending deformation, the surface of the flexible screen 013 is propped against the third plate surface 12a, and the flexible baffle 12 is driven to generate bending deformation along with the flexible screen 013. When the foldable device is gradually unfolded from the fully folded state, the bending region of the flexible screen 013 is subjected to bending deformation. In addition, the flexible barrier 12 and the flexible screen 013 always keep effective adhesion under the self elasticity of the flexible barrier 12. In summary, in the folding and unfolding process of the foldable apparatus, the flexible barrier 12 can play a good shielding role on the display surface of the flexible screen 013, and when the flexible barrier 12 is impacted by the foreign matters, the flexible barrier 12 can effectively block the foreign matters, so that the safety of the flexible screen 013 can be ensured. In summary, under the combined action of the rigid baffle 11 and the flexible baffle 12, the edge part of the flexible screen 013 exposed to the first casing 011 and the second casing 012 can be effectively shielded, and normal folding and unfolding of the flexible screen 013 cannot be affected, so that a good protection effect can be achieved on the flexible screen 013, and the integrity of foldable equipment can be ensured.
In order to facilitate understanding of the technical solution of the present application, the structure of the protection device 10 will be specifically described first.
For flexible barrier 12, flexible barrier 12 may be an elongated structure for a particular application. In the preparation process, materials such as polyester resin (polyethylene terephthalate, PET) or Polyimide (PI) can be adopted for manufacturing. Among them, the flexible barrier 12 has excellent heat resistance. When the flexible barrier 12 and the rigid barrier 11 are treated by the insert injection molding process, the flexible barrier 12 can be prevented from being melted to be deformed. In addition, the flexible baffle 12 can also have good impact resistance, and can effectively block external force when being subjected to external force, so that the flexible screen 013 can be well protected. In addition, the flexible baffle 12 has better flexibility and is easy to generate elastic deformation. Therefore, elastic deformation can be generated with the folding or unfolding of the flexible screen 013, so that the normal folding and unfolding of the flexible screen 013 is not blocked.
It will be appreciated that the flexible barrier 12 may be a straight elongated structure or may be a partially curved or curved elongated structure for a particular application. Or the flexible barrier 12 may be other shapes, and the specific shape of the flexible barrier 12 is not limited in the present application.
In addition, in some embodiments, the third surface 12a of the flexible barrier 12 may be provided with a frosted surface or a plating treatment to reduce frictional resistance between the flexible barrier 12 and the flexible screen 013, preventing the flexible barrier 12 from interfering with the normal folding and unfolding of the flexible screen 013.
It is understood that the modulus of the flexible barrier 12 may be greater than or equal to 2GPa and less than or equal to 3GPa for a particular application. So that the flexible barrier 12 has good rigidity and good flexibility. In summary, when the modulus of the flexible barrier 12 is low, the greater the flexibility, the better the bending resistance, but the weaker the force-receiving performance. Conversely, when the modulus of the flexible barrier 12 is greater, the greater the stiffness, the better the force-bearing properties, but the less the bending resistance.
Thus, in practical applications, the modulus of the flexible barrier 12 may be greater than or equal to 2GPa and less than or equal to 3GPa. Therefore, bending resistance and strength can be effectively combined. When the flexible barrier 12 is subjected to an external force, it can have a good structural strength, thereby effectively blocking the external force. In addition, when the flexible screen 013 is being unfolded or folded, the flexible baffle 12 can be deformed smoothly, so that normal folding and unfolding of the flexible screen 013 are not hindered. The flexible barrier 12 also has a longer service life during prolonged use.
For the rigid barrier 11, in the embodiments provided herein, the rigid barrier 11 may be fabricated using a metal injection molding process (metal injection molding, MIM). In brief, MIM is a molding method in which a plasticized mixture of metal powder and binder is injected into a mold. In preparation, the metal powder may be mixed with the binder, and the mixture may be granulated and injected into a desired shape. The preparation process is suitable for mass production of small, precise, three-dimensional complex-shape metal parts with special performance requirements. Therefore, after the MIM technology is adopted to prepare the rigid baffle 11, the molding effect of the rigid baffle 11 can be ensured, and the mass production can be facilitated, thereby being beneficial to improving the preparation efficiency and reducing the preparation cost.
It will be appreciated that in other embodiments, the rigid baffle 11 may be manufactured by die casting or computer digital controlled precision machining, and the manufacturing process of the rigid baffle 11 is not limited in the present application. In addition, the material of the rigid baffle 11 may be a mixture of metal and plastic, or may be aluminum alloy or other materials with better structural strength, and the specific material of the rigid baffle 11 is not limited in the present application.
In addition, the manner of connection between the rigid barrier 11 and the flexible barrier 12 may also be varied in specific applications.
For example, as shown in fig. 6 and 7, in the embodiment provided by the present application, the rigid barrier 11 and the flexible barrier 12 may be fixedly connected by the first injection molded body 13.
Specifically, the first plate surface 11a of the rigid barrier 11 has a convex connection portion 111, and one side (lower side in the drawing) of the cantilever 111 toward the flexible barrier 12 has a first groove 1111. The flexible barrier 12 has a through hole 121 penetrating the third plate surface 12a and the fourth plate surface 12 b.
The first injection-molded body 13 includes an injection-molded body 13a filled in the first groove 1111 and an injection-molded body (not shown) filled in the through hole. The injection-molded body thus realizes a fixed connection between the rigid barrier 11 and the flexible barrier 12.
By providing the cantilever 111, a fixed connection between the rigid barrier 11 and the flexible barrier 12 can be facilitated. Further, the cantilever 111 is provided on one side of the fourth plate surface 12b of the flexible barrier 12, and thus can provide a certain shielding effect for the first injection molded body 13, and prevent the first injection molded body 13 from being exposed. Thereby improving the integration and the aesthetic appearance of the foldable device.
In particular implementation, in order to enhance the connection stability between the rigid barrier 11 and the flexible barrier 12, the opening area of the first groove 1111 may be larger than the cross-sectional area of the through hole 121, so that the cross-sectional area of the injection body 13a is larger than the cross-sectional area of the through hole 121. The cross-sectional area of the injection body 13b may be larger than the cross-sectional area of the through hole 121. Therefore, the flexible baffle plate 12 can be limited between the injection molding body 13a and the injection molding body 13b, and the defects such as falling off and the like between the flexible baffle plate 12 and the first injection molding body 13 are prevented.
Specifically, in a plane perpendicular to the axis of the through-hole 121, the cross-sectional area of the injection body 13a of the first injection body 13 located in the first groove 1111 is larger than the cross-sectional area of the through-hole 121. The cross-sectional area of the injection body 13b of the first injection body 13 located on the third plate surface 12a is also larger than the cross-sectional area of the through hole 121. Therefore, a clamping structure is formed between the first injection molding body 13 and the flexible baffle 12. Or it can be understood that the first injection molding body 13 is effectively attached to the third plate surface 12a, the fourth plate surface 12b and the inner wall of the through hole 121, and in addition, the first injection molding body 13 and the flexible baffle 12 are mechanically connected in a clamping manner, so that the connection stability between the first injection molding body 13 and the flexible baffle 12 can be obviously improved, and the defects such as falling off and the like between the first injection molding body 13 and the flexible baffle 12 are prevented.
It will be appreciated that in other embodiments, a groove (not shown) may be provided on the third plate 12a, and the cross section of the groove is larger than that of the through hole 121, so that the first injection molding body 13 can be filled in the groove, and the first injection molding body 13 is prevented from protruding out of the third plate 12a, so as to avoid the first injection molding body 13 contacting the flexible screen 013.
In addition, in some embodiments, two or more through holes 121 may be provided in the flexible barrier 12, so that the connection effect between the flexible barrier 12 and the first injection body 13 can be effectively improved. It is to be understood that, in the implementation, the number and positions of the through holes 121 may be set reasonably according to actual requirements, which is not limited by the present application.
In addition, the connection strength with the first injection-molded body 13 can also be improved by the structural design on the rigid baffle 11.
For example, as shown in fig. 7, in one embodiment provided by the present application, the first plate surface 11a is provided with a second groove 112. A part of the first injection body 13, 13c, fills the second recess 112, so that the bonding area between the first injection body 13 and the rigid barrier 11 can be effectively increased, and the occurrence of defects such as falling-off between the first injection body 13 and the rigid barrier 11 can be prevented.
In particular embodiments, the shape and configuration of the second recess 112 may be varied.
For example, in the embodiment provided by the present application, the second groove 112 has a substantially cross-shaped structure. When a drawing force or a torsion force parallel to the direction of the first plate surface 11a exists between the rigid baffle 11 and the flexible baffle 12, the side wall of the second groove 112 and the first injection molding body 13 can be mutually abutted, so that the stress intensity between the rigid baffle 11 and the first injection molding body 13 can be effectively improved, and the falling-off condition between the first injection molding body 13 and the rigid baffle 11 is prevented.
It is to be understood that in other embodiments, the second groove 112 may also have a rectangular, oval or circular groove-like structure, and the specific shape profile of the second groove 112 is not limited in the present application.
In addition, in some embodiments, the injection molding body 13c of the first injection molding body 13 located in the second groove 112 and the injection molding body 13a of the first injection molding body 13 located in the third plate surface 12a may also be joined, so as to effectively improve the connection strength among the rigid baffle 11, the first injection molding body 13 and the flexible baffle 12.
In addition, as shown in fig. 6 and 7, in another embodiment provided by the present application, the bottom wall of the second groove 112 has an injection molding hole 113 and an injection molding hole 114 penetrating to the second plate surface 11 b. A part of the injection body 13d of the first injection body 13 is filled in the injection hole 113, and a part of the injection body 13e of the first injection body 13 is filled in the injection hole 114. Through the injection holes 113 and 114, the bonding area between the rigid baffle 11 and the first injection body 13 can be effectively increased, thereby being beneficial to ensuring the connection strength between the rigid baffle 11 and the first injection body 13.
In order to prevent the injection molded body 13d located in the injection molding hole 113 from falling out of the injection molding hole 113 and to prevent the injection molded body 13e located in the injection molding hole 114 from falling out of the injection molding hole 114. In the embodiment provided by the present application, the cross-sectional area of the both ends of the injection molding hole 113 is larger than the cross-sectional area between the both ends of the injection molding hole 113. Or may be understood as a flared shape at both ends of the injection molding hole 113. The cross-sectional area of the respective ends of the injection molding hole 114 is larger than the cross-sectional area between the ends of the injection molding hole 114. Or it is understood that both ends of the injection molding hole 114 are flared. When the injection body 13d receives a pulling force in a direction parallel to the axial center of the injection hole 113, the injection body 13d is prevented from being pulled out of the injection hole 113 by the abutment between the injection body 13d and the flare. Accordingly, when the injection body 13e receives a pulling force parallel to the axial direction of the injection hole 114, the injection body 13e is prevented from being pulled out of the injection hole 114 by the abutment between the injection body 13e and the flare. So that the connection stability between the first injection-molded body 13 and the rigid barrier 11 can be effectively improved.
It will be appreciated that in particular implementations, injection molding apertures 113 and 114 may be circular, oval, or polygonal in cross-section. In addition, the number and the positions of the injection holes can be set reasonably according to actual conditions, and the shape, the number and the positions of the injection holes are not limited.
Further, as shown in fig. 8. To facilitate a secure connection between the rigid barrier 11 and the spindle assembly, in one embodiment provided by the present application, the rigid barrier 11 has a flange 115. The flange 115 is adapted to be inserted into the third groove 0142 of the rotary shaft assembly and fixedly coupled with the rotary shaft assembly by a second injection molded body (not shown) filled in the third groove 0142.
Specifically, the shaft assembly may include a base 0141, and a third groove 0142 may be provided in the base 0141. When the flange 115 is inserted into the third groove 0142, there is a gap between the flange 115 and the third groove 0142 for filling the second injection-molded body to achieve a fixed connection between the rigid barrier 11 and the base 0141.
As shown in fig. 8, in order to enhance the connection strength between the rigid barrier 11 and the base 0141. In the embodiment provided by the present application, the side of flange 115 has three bosses, boss 1151, boss 1152 and boss 1153, respectively. After the second injection molding body is filled in the gap between the flange 115 and the third groove 0142, the boss 1151, the boss 1152 and the boss 1153 can be embedded in the second injection molding body, so that the mechanical connection between the rigid baffle 11 and the second injection molding body can be realized, and the flange 115 and the second injection molding body can be effectively prevented from being separated.
In the embodiment provided by the present application, three bosses are provided on the side of the flange 115, and the three bosses are spaced apart. It is understood that, in the implementation, the number and positions of the bosses can be reasonably selected and adjusted according to actual requirements, which is not limited by the present application.
In addition, as shown in fig. 8, in order to improve the filling effect of the second injection molding body, in the embodiment provided by the application, two sides of the three bosses are provided with wall blocking ribs. Specifically, retaining wall ribs 1154 and 1155 are respectively disposed on two sides of the boss 1151, retaining wall ribs 1155 and 1156 are respectively disposed on two sides of the boss 1152, and retaining wall ribs 1156 and 1157 are respectively disposed on two sides of the boss 1153. When the second injection molding body is filled, the second injection molding body is convenient to be fully filled in the gap between the flange 115 and the third groove 0142 under the action of the wall rib. And in addition, the outer surface of each boss is fully wrapped by the second injection molding body. Therefore, the connection effect between the rigid barrier 11 and the second injection-molded body is facilitated to be improved.
Or it can be appreciated that by providing a wall rib, the mechanical properties of the flange 115 can be effectively improved. When the flange 115 is subjected to an external force which causes the flange to bend, the retaining wall ribs can effectively share the external force, so that the mechanical property of the flange 115 can be improved, and the flange 115 is prevented from being bent, broken and other adverse conditions.
In particular implementations, one, two, or more bosses may be provided. The wall stud may be provided in one, two or more. Alternatively, bosses and retaining wall ribs may be provided on both sides of the flange 115. Or the boss and the retaining wall rib may be provided in the third groove 0142. The application does not limit the number and the positions of the bosses and the wall blocking ribs.
In particular implementations, the type of spindle assembly may be varied.
For example, as shown in fig. 8, in an embodiment provided by the present application, the shaft assembly may include a base 0141, a shaft 015, and a shaft 016. In particular applications, the shaft 015 may be rotatably coupled to the first housing 011. The rotation shaft 016 is rotatably connected to the second housing 012. In addition, one ends of the rotation shaft 015 and the rotation shaft 016 toward the base 0141 may be fixedly connected with the base 0141, thereby achieving connection between the first housing 011 and the second housing 012.
It will be appreciated that in other embodiments, the first housing 011 and the second housing 012 may be coupled using a hinge assembly that is currently more commonly used to implement the foldable function of the foldable device. The application is not limited to the particular type of spindle assembly.
The protective device 10 may be used in a variety of different types of collapsible apparatuses for a particular application.
For example, as shown in fig. 9, an embodiment of the present application provides a foldable mobile phone, which includes a first housing 011, a second housing 012, and a rotation shaft assembly (not shown in the drawings), wherein the first housing 011 and the second housing 012 are connected by the rotation shaft assembly, so that the first housing 011 and the second housing 012 can be relatively folded or unfolded. The flexible screen 013 has a display surface and a back surface for displaying an image, and the back surface is connected to the first housing 011 and the second housing 012. When the first housing 011 and the second housing 012 are stuck to each other, the flexible screen 013 is folded between the first housing 011 and the second housing 012. When the first housing 011 and the second housing 012 are relatively unfolded and substantially on the same plane, the flexible screen 013 is unfolded accordingly into a flat state.
Wherein, first casing 011 and second casing 012 can play good guard action to flexible screen 013, prevent that the foreign matter from colliding with the edge of flexible screen 013. Specifically, the side edge (right side in the drawing) of the first housing 011 has a first frame 0111, and the side edge (right side in the drawing) of the second housing 012 has a second frame 0121. When the flexible screen 013 is mounted in the first housing 011 and the second housing 012, the first frame 0111 surrounds a part of the edge of the flexible screen 013, and the second frame 0121 also surrounds a part of the edge of the flexible screen 013. However, in order to prevent the foldable cellular phone from interfering with the first housing 011 and the second housing 012 during folding and unfolding, the edge of the portion of the flexible screen 013 where the first frame 0111 and the second frame 0121 are joined may be exposed. Accordingly, the protection device 10 may be disposed at the junction between the first housing 011 and the second housing 012 and fixedly connected with the rotary shaft assembly (not shown in the drawings), so that the edge of the exposed flexible screen 013 can be effectively shielded.
In addition, in the implementation, one end of the rigid baffle 11 may extend to the inner side of the first frame 0111 (may also be understood as being between the first frame 0111 and the side of the flexible screen 013), so that an obvious gap between the rigid baffle 11 and the first frame 0111 may be effectively prevented, so that the tightness between the rigid baffle 11 and the first housing 011 may be improved, so as to perform a good blocking effect on dust and foreign matters. Accordingly, the other end of the rigid barrier 11 may extend to the inside of the second housing 012 (also understood as between the first bezel 0111 and the side of the flexible screen 013). Thereby, it is possible to effectively prevent a significant gap from occurring between the rigid barrier 11 and the second housing 012, and to prevent a significant gap from occurring between the rigid barrier 11 and the second housing 012.
In addition, in a specific application, one end of the flexible baffle 12 may extend to the inner side of the first frame 0111 (may also be understood as between the first frame 0111 and the display surface of the flexible screen 013) so as to avoid a significant gap between the flexible baffle 12 and the first frame 0111, so that the tightness between the flexible baffle 12 and the first housing 011 can be improved, so as to play a good role in blocking dust and foreign matters. Correspondingly, the other end of the flexible baffle 12 may extend to the inner side of the second frame 0121 and may also be understood as being between the first frame 0111 and the display surface of the flexible screen 013, so as to avoid generating an obvious gap between the flexible baffle 12 and the second frame 0121, thereby improving the tightness between the flexible baffle 12 and the second housing 012, and playing a good role in blocking dust and foreign matters.
It will be appreciated that the length of the flexible barrier 12 extending into the first rim 0111 may be suitably configured according to the actual needs of a particular application. Accordingly, the length of the flexible baffle 12 extending into the second frame 0121 can be set reasonably according to actual requirements.
For example, as shown in fig. 9, in one embodiment of the present application, in order to improve the tightness of the foldable mobile phone, the present application provides a method for manufacturing the foldable mobile phone. A first seal 0112 is provided between the first housing 011 and the flexible screen 013, and a second seal 0122 is provided between the second housing 012 and the flexible screen 013. Wherein, the first sealing member 0112 is closely abutted with 011 and flexible screen 013 of first casing to prevent impurity such as dust, steam from getting into first casing 011 inside. The second sealing member 0122 is closely butted with 012 of the second housing and the flexible screen 013 to prevent dust, moisture and other impurities from entering the inside of the second housing 012.
During folding and unfolding, the length of one end of the flexible barrier 12 extending into the first housing 011 will vary, and correspondingly, the length of the other end of the flexible barrier 12 extending into the second housing 012 will also vary. Thus, to prevent the flexible barrier 12 from touching the first and second seals 0112, 0122, the length of the flexible barrier 12 may be less than or equal to the length of the connection between the first and second seals 0112, 0122. Wherein the connection length between the first and second sealing members 0112 and 0122 refers to the distance between the first and second sealing members 0122 and 0122 along the length of the flexible barrier 12.
In addition, in the above embodiments, the protection device 10 is only exemplified as being applied to the foldable cellular phone folded inwards. It will be appreciated that in other embodiments, the protective device 10 may be applied to a fold-out foldable cellular phone. Specifically, in the out-folding type foldable cellular phone, the flexible screen 013 is located on the outside when the foldable cellular phone is in the folded state. Alternatively, it is also understood that the flexible screen 013 is wrapped around the outside of the first housing 011 and the second housing 012.
The protection device 10 may be applied to other types of foldable devices such as a foldable tablet computer, a notebook computer, a foldable electronic book, and the like, and the present application is not limited to the specific type of foldable device.
The foregoing is merely illustrative embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present application, and the application should be covered. Therefore, the protection scope of the application is subject to the protection scope of the claims.
Claims (29)
1. A collapsible apparatus comprising a first housing, a second housing, and a spindle assembly;
The first shell and the second shell are connected through the rotating shaft assembly;
a flexible screen having a display surface and a back surface, the back surface being connected to the first housing and the second housing;
the foldable apparatus further comprises a protective device disposed at a junction of the first housing and the second housing;
wherein, the protection device includes:
The rigid baffle is fixedly connected with the rotating shaft assembly;
in a direction parallel to the display surface, a projection of the rigid barrier covers a portion of a side edge of the flexible screen;
The flexible baffle plate is fixedly connected with the rigid baffle plate through a first injection molding body;
in a direction perpendicular to the display surface, a projection of the flexible barrier covers a portion of the display surface of the flexible screen.
2. The collapsible device of claim 1 wherein the flexible barrier is elongate.
3. A collapsible device as claimed in claim 1 or claim 2 wherein the flexible barrier comprises a polyester resin or polyimide.
4. The collapsible device of claim 1 or 2 wherein the modulus of the flexible barrier is greater than or equal to 2GPa and less than or equal to 3GPa.
5. The collapsible device of claim 1 or 2 wherein the rigid barrier has a first panel face that faces the side of the flexible screen;
the first board surface is provided with a convex connecting part, and the flexible baffle is fixedly connected with the connecting part through the first injection molding body.
6. The collapsible apparatus of claim 5 wherein the flexible barrier has a third panel face and a fourth panel face, the flexible barrier further having a through hole therethrough to the third panel face and the fourth panel face;
the third plate surface, the fourth plate surface and the through holes of the flexible baffle are respectively provided with the first injection molding body;
the first injection molding body is positioned on one side of the fourth plate surface and is fixedly connected with the connecting part.
7. The collapsible device of claim 6 wherein a side of the connecting portion facing the flexible barrier has a first recess;
A portion of the first injection molded body fills the first recess.
8. The collapsible apparatus of claim 5 wherein said first panel of said rigid barrier has a second recess, a portion of said first injection molded body filling within said second recess.
9. The collapsible apparatus of claim 8 wherein the rigid barrier further has a second panel face, the bottom wall of the second recess has an injection molded hole therethrough to the second panel face, and a portion of the first injection molded body fills in the injection molded hole.
10. The collapsible device of claim 9 wherein the cross-sectional area of the ends of the injection molding aperture is greater than the cross-sectional area between the ends of the injection molding aperture.
11. A collapsible device as claimed in claim 1 or claim 2 wherein the spindle assembly comprises a base having a third recess;
The rigid baffle plate is provided with a flange, and the flange is inserted into the third groove and fixedly connected with the base through a second injection molding body filled in the third groove.
12. The collapsible device of claim 11 wherein the flange has a boss on a side thereof and wherein the boss is embedded within the second injection molded body.
13. The collapsible device of claim 12 wherein the sides of the flange further have retaining ribs on either side of the boss.
14. A collapsible device as claimed in claim 1 or claim 2 wherein one end of the rigid barrier extends between the first housing and a side of the flexible screen and the other end of the rigid barrier extends between the second housing and a side of the flexible screen.
15. A collapsible device as claimed in claim 1 or claim 2 wherein one end of the flexible barrier extends between the first housing and the display surface of the flexible screen and the other end of the flexible barrier extends between the second housing and the display surface of the flexible screen.
16. The foldable device of claim 15, wherein a first seal is provided between the first housing and the display surface of the flexible screen, and a second seal is provided between the second housing and the display surface of the flexible screen;
the length of the flexible baffle is less than or equal to the length of the connection between the first seal and the second seal.
17. A protective device for use in a foldable device, the foldable device comprising a spindle assembly and a flexible screen;
The protective device includes:
The rigid baffle is fixedly connected with the rotating shaft assembly;
The projection of the rigid baffle covers part of the side edge of the flexible screen in the direction parallel to the display surface of the flexible screen;
The flexible baffle plate is fixedly connected with the rigid baffle plate through a first injection molding body;
in a direction perpendicular to the display surface, a projection of the flexible barrier covers a portion of the display surface of the flexible screen.
18. The protective device of claim 17, wherein the flexible barrier is elongate.
19. The protective device according to claim 17 or 18, wherein the flexible barrier comprises a polyester resin or polyimide.
20. The protective device according to claim 17 or 18, wherein the modulus of the flexible barrier is greater than or equal to 2GPa and less than or equal to 3GPa.
21. The protective device according to claim 17 or 18, wherein the rigid barrier has a first panel face that faces the side of the flexible screen;
the first board surface is provided with a convex connecting part, and the flexible baffle is fixedly connected with the connecting part through the first injection molding body.
22. The protective device of claim 21, wherein the flexible barrier has a third plate face and a fourth plate face, the flexible barrier further having a through hole therethrough to the third plate face and the fourth plate face;
the third plate surface, the fourth plate surface and the through holes of the flexible baffle are respectively provided with the first injection molding body;
the first injection molding body is positioned on one side of the fourth plate surface and is fixedly connected with the connecting part.
23. The protective device of claim 22, wherein a side of the connecting portion facing the flexible barrier has a first groove;
A portion of the first injection molded body fills the first recess.
24. The protective device of claim 21, wherein the first panel of the rigid barrier has a second recess, a portion of the first injection molded body filling within the second recess.
25. The protective device of claim 24, wherein the rigid barrier further has a second plate face, the bottom wall of the second recess having an injection molded hole therethrough to the second plate face;
a portion of the first injection body fills the injection hole.
26. The protective device of claim 25, wherein the cross-sectional area of the two ports of the injection molded hole is greater than the cross-sectional area between the two ends of the injection molded hole.
27. The shielding device of claim 17 or 18, wherein the rigid barrier has a flange;
the flange is used for being inserted into a third groove of the rotating shaft assembly and fixedly connected with the rotating shaft assembly through a second injection molding body filled in the third groove.
28. The protective device of claim 27, wherein the flange has a boss on a side thereof, and wherein the boss is embedded within the second injection molded body.
29. The protective device of claim 28, wherein the flange further has a wall rib on a side of the flange, the wall rib being located on either side of the boss.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110882080.8A CN115701703B (en) | 2021-08-02 | 2021-08-02 | Foldable equipment and protective device |
| PCT/CN2022/109304 WO2023011384A1 (en) | 2021-08-02 | 2022-07-30 | Foldable apparatus and protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110882080.8A CN115701703B (en) | 2021-08-02 | 2021-08-02 | Foldable equipment and protective device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115701703A CN115701703A (en) | 2023-02-10 |
| CN115701703B true CN115701703B (en) | 2024-05-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110882080.8A Active CN115701703B (en) | 2021-08-02 | 2021-08-02 | Foldable equipment and protective device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115701703B (en) |
| WO (1) | WO2023011384A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117156030A (en) * | 2023-03-15 | 2023-12-01 | 荣耀终端有限公司 | Foldable device |
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Also Published As
| Publication number | Publication date |
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| WO2023011384A1 (en) | 2023-02-09 |
| CN115701703A (en) | 2023-02-10 |
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