CN220726832U - Rotating shaft device and folding electronic equipment - Google Patents

Abstract

The application discloses a pivot device and foldable electronic equipment belongs to electronic equipment technical field. The rotating shaft device comprises: the base is connected with the rotating shaft folding assembly of the folding electronic equipment; the shaft cover is arranged on the outer side of the base; a connection assembly including a connection body disposed between the shaft cover and the base to connect the base to the shaft cover; wherein, from the direction of base towards the axle cap, the connecting body gradually to the middle part in the axle cap width direction slope. The folding electronic equipment is capable of keeping small thickness when being folded or unfolded due to the fact that the width of the rotating shaft device is reduced, the size and weight of the whole folding electronic equipment are reduced, and portability and comfortableness of the folding electronic equipment are improved.

Description

Rotating shaft device and folding electronic equipment

Technical Field

The application relates to the technical field of electronic equipment, in particular to a rotating shaft device and folding electronic equipment.

Background

The folding electronic equipment is the electronic equipment which can fold the front machine body and the rear machine body mutually through the hinge device, has the advantages of portability and innovativeness, and can realize different folding states, such as unfolding, half folding, full folding and the like, according to different use scenes and requirements, so as to provide different display effects and interaction modes. The foldable electronic device may be various types of electronic products such as a smart phone, a tablet computer, a notebook computer, an electronic book reader, and the like.

The width and thickness of the rotating shaft, which is an important component of the folding electronic equipment, directly determine the thickness of the whole machine. As shown in fig. 1, in consideration of factors such as assembly and repair, compared with dispensing and welding, the shaft cover 14 and the base 12 of the rotating shaft are generally connected by using the screw 13, however, in order to ensure that the shaft cover 14 has a certain wall thickness, the position of the screw 13 is generally kept at a certain distance from the outer edge of the shaft cover 14, and in order to ensure good falling reliability of the whole machine, the screw 13 needs to keep a certain clearance with the folded screen 11 for avoiding, so that the width of the rotating shaft is wider and the thickness is thicker, the possibility that the width of the rotating shaft is narrowed is limited, and the bottleneck of further thinning of the whole machine of the folded electronic equipment is further formed.

Disclosure of Invention

The application provides a rotating shaft device and folding electronic equipment, and the rotating shaft device solves the technical problems of large width and thickness of the rotating shaft device in the related technology.

In order to achieve the above purpose, the embodiment of the present application adopts the following technical scheme:

a first aspect of the present application provides a hinge device, the hinge device being applied to a folding electronic apparatus, the hinge device including:

the base is connected with the rotating shaft folding assembly of the folding electronic equipment;

The shaft cover is arranged on the outer side of the base;

a connection assembly including a connection body disposed between the shaft cover and the base to connect the base to the shaft cover;

wherein the connecting body is gradually inclined toward the middle part in the width direction of the shaft cover in the direction from the base toward the shaft cover.

According to the rotating shaft device, the connecting main body is gradually inclined towards the middle part of the width direction of the shaft cover from the base, so that the connecting main body can incline by a certain angle according to the shapes of the shaft cover and the folding flexible screen, one end, which can be designed, of the connecting main body is far away from the shaft cover, is kept at a certain distance from the folding flexible screen, the other end, which is close to the shaft cover, of the connecting main body is closer to the folding flexible screen, space in the thickness direction of the shaft cover is not needed, the wall thickness of the shaft cover is controlled, the width of the shaft cover and the width of the base can be narrower relative to the related art, the possibility is provided for thinning of the folding electronic device, and the width of the rotating shaft device is reduced, so that the folding electronic device can keep a smaller thickness when being folded or unfolded, and accordingly the volume and the weight of the whole machine are reduced, and the portability and the comfort of the folding electronic device are improved.

In one embodiment, the connecting body includes a threaded connection connected between the shaft cover and the base to connect the base to the shaft cover. This screwed connection spare can be according to the appearance slope certain angle of the flexible screen of axle cap and folded state, the one end that the screwed connection spare kept away from the axle cap can be designed keep a distance with the flexible screen of folded state, when the one end that the screwed connection spare is close to the axle cap is nearer apart from the flexible screen of folded state, even need keep certain distance with the axle cap outward flange, also need not more axle cap thickness direction's space for the wall thickness of axle cap is controlled, through setting up screwed connection spare, makes the connection between base and the axle cap simpler and convenient.

In one embodiment, a first threaded hole is formed in the inner side of the shaft cover, and the axis of the first threaded hole is gradually inclined to the middle part in the width direction of the shaft cover in the direction from the inner side of the shaft cover to the outer side of the shaft cover; the base is provided with a yielding hole, and the threaded connecting piece is screwed in the first threaded hole through the yielding hole so as to connect the base to the shaft cover. By gradually inclining the axis of the first screw hole toward the middle in the width direction of the shaft cover, there is no need for more space in the thickness direction of the shaft cover, so that the wall thickness of the shaft cover is controlled. The axis of the first threaded hole is gradually inclined towards the middle part of the width direction of the shaft cover, so that the first threaded hole can be consistent with the axis of the threaded connecting piece, smooth and symmetrical connection between the threaded connecting piece and the base and the shaft cover is realized, and stress concentration or deformation caused by uneven or asymmetric connection is avoided.

In one embodiment, the threaded connection includes a screw head and a threaded post connected to the screw head, the connection assembly further comprising: the screw head is provided with a base, the base is provided with a screw head, the screw head is provided with a screw hole, and the screw head is provided with a screw hole. Through setting up first gasket for the connection between screw head and the base is smoother and even more, has avoided the wearing and tearing or the damage that lead to of screw head direct and base contact, has improved pivot device's durability and intensity. Specifically, the first gasket can be attached to the surface of the screw head, so that the contact area between the screw head and the base is increased, abrasion or damage caused by a gap or a clearance between the screw head and the base is avoided, and deformation or breakage caused by friction or impact between the screw head and the base is avoided. Through setting up first gasket for the connection between screw head and the base is inseparabler and reliable, can not loosen or drop because of folding or expansion.

In one embodiment, the through hole is a second threaded hole, and the specification of the second threaded hole is the same as the specification of the first threaded hole; the side part of the threaded column, which is close to one end of the screw head, is provided with a smooth section, and the length of the smooth section in the axial direction of the threaded column is greater than or equal to the hole depth of the second threaded hole. The smooth section can pass through the second threaded hole completely, and the unsmooth screwing process caused by dislocation between the smooth section and the first threaded hole can be avoided. Through setting up second screw hole and smooth section for when guaranteeing screw head and gasket overlap joint volume, can further reduce screw head width, and then reduce the whole occupation space of threaded connection spare. Compare in direct second screw hole that sets up on the base, this application embodiment is through the mode that sets up first gasket alone to set up the second screw hole on first gasket, install first gasket in the smooth section department of screw thread post earlier, make the screw thread post screw in the second screw hole again, easier operation.

In one embodiment, the screw head is a round head, a half round head, a pan head or an umbrella head. Compared with the cylindrical screw head, the gap between the screw head and the unfolding-state flexible screen can be increased, and the occupied space of the threaded connecting piece in the thickness direction of the shaft cover can be further reduced by utilizing the gap on the premise of ensuring the gap between the screw head and the unfolding-state flexible screen, so that the whole machine is lighter and thinner.

In one embodiment, a first positioning recess is provided at an end of the base remote from the shaft cover, the yielding hole is provided in the first positioning recess, the first gasket is mounted in the first positioning recess, and a bottom of the first gasket abuts against a bottom wall of the first positioning recess. Through setting up first location concave part for the base can be more accurate and accurate install first gasket, can not lead to the fact the installation not firm or install the unpaired because of the position or the direction of first gasket, has improved pivot device's connectivity and stability.

In one embodiment, a second positioning concave portion is arranged at one end, far away from the base, of the first gasket, the through hole is formed in the second positioning concave portion, the screw head is installed in the second positioning concave portion, and the bottom of the screw head abuts against the bottom wall of the second positioning concave portion. Through setting up the second positioning concave part for first gasket can install the screw head more accurately and accurately, can not lead to the fact the installation not firm or install the unparallel because of the position or the direction of screw head, has improved pivot device's connectivity and stability.

In one embodiment, the inner side of the shaft cover is provided with a boss structure, the boss structure is partially penetrated in the yielding hole, and the first threaded hole is arranged on the boss structure. Through setting up boss structure for the axle housing can be firm more with support first screw hole steadily, can not lead to the fact the deformation or the damage of axle housing because of the position or the direction of first screw hole, improved pivot device's structural stability and intensity. Through setting up boss structure for the shaft housing can more rationally and effectively utilize the space of hole of stepping down, can not lead to the fact waste or the redundancy of shaft housing because of the size or the shape of hole of stepping down, improved pivot device's frivolousness and portability.

In one embodiment, the connecting body comprises a clamping column, the clamping column is arranged on the shaft cover, a connecting hole is formed in the base, the clamping column penetrates through the connecting hole, a clamping structure is arranged at one end, far away from the shaft cover, of the clamping column, and the shaft cover is connected with the base through the clamping structure. Through the cooperation of joint post and connecting hole, realized the detachable connection of shaft cap and base, made things convenient for the installation and the maintenance of pivot device. The connecting mode does not need to use a threaded connecting piece or other additional components, simplifies the structure of the rotating shaft device and improves the reliability of the rotating shaft device. The axial line of the clamping column is inclined towards the middle part of the shaft cover in the width direction, so that the width of the rotating shaft device can be reduced, and the possibility of thinning the folding electronic equipment is provided.

In one embodiment, the connecting assembly comprises a buckle, a connecting structure is arranged on the buckle, the buckle is installed at one end, far away from the shaft cover, of the base, and one end, far away from the shaft cover, of the clamping column extends out of the connecting hole and is clamped with the connecting structure. Through the joint of buckle and joint structure, realized the reliable fixed between shaft cap and the base, prevented the not hard up or the drop of pivot device.

In one embodiment, the connection structure is a clamping long hole, the clamping column comprises a column body, the column body is far away from one end of the shaft cover, the clamping structure is arranged on the connection column, the clamping structure is a strip-shaped structure, the clamping buckle passes through the clamping long hole and is sleeved on the connection column through the strip-shaped structure, and the clamping buckle can be rotated by the edge of the clamping long hole to stop the strip-shaped structure, so that the base is connected on the shaft cover. The rotary installation and the disassembly are realized, and the installation and the maintenance of the rotating shaft device are convenient.

In one embodiment, the connection assembly further comprises an elastic gasket, the elastic gasket is installed between the clamping structure and the buckle, and rotating the buckle by the preset angle enables the buckle and the clamping structure to squeeze the elastic gasket. When the buckle is rotated, a certain compression force or tension force can be generated between the elastic gasket and the clamping structure and the buckle, so that the anti-loose effect is achieved, and the buckle can be matched with the clamping structure more tightly.

In one embodiment, the elastic gasket is provided with a yielding slot hole, and the elastic gasket is sleeved on the connecting column through the yielding slot hole. Through the slot hole of stepping down for the elastic gasket can be through the slot hole cover of stepping down establishing on the spliced pole, thereby realize the dismouting operation to the elastic gasket, realized the detachable connection of elastic gasket and spliced pole, made things convenient for the installation and the maintenance of pivot device.

In one embodiment, a third positioning concave portion is arranged on the base, the connecting hole is formed in the bottom of the third positioning concave portion, the buckle is installed in the third positioning concave portion, and the bottom of the buckle abuts against the bottom wall of the third positioning concave portion. The third positioning concave part can be matched with the shape of the buckle, so that the buckle can be completely embedded into the third positioning concave part, the buckle can not influence the installation of other parts, and the connection stability between the buckle and the clamping column can be prevented from being influenced by the collision of other parts.

In one embodiment, a fourth positioning recess is provided at an end of the clasp remote from the base, and the resilient pad is mounted in the fourth positioning recess. The fourth positioning concave part can be matched with the shape of the elastic gasket, so that the elastic gasket can be completely embedded into the fourth positioning concave part, the elastic gasket can not influence the installation of other parts, and the connection stability between the buckle and the clamping column can be prevented from being influenced by the collision of other parts.

A second aspect of the present application provides a foldable electronic device, including a spindle device provided in any one of the foregoing aspects.

By the technical scheme, the folding electronic equipment comprises the rotating shaft device, so that the folding electronic equipment at least has all the beneficial effects of the rotating shaft device, and the description is omitted.

Drawings

FIG. 1 is a schematic view of a prior art spindle assembly;

FIG. 2 is a schematic partial cross-sectional view of a hinge assembly incorporating a partially flexible screen according to one embodiment of the present application;

FIG. 3 is a schematic structural view of a hinge device with a part of flexible screen according to an embodiment of the present application;

FIG. 4 is an exploded view of a spindle assembly according to an embodiment of the present disclosure;

FIG. 5 is a schematic structural view of a spindle device according to an embodiment of the present disclosure;

FIG. 6 is a graph comparing the amount of overlap provided by the first shim with the amount of overlap provided by the first embodiment of the present application;

FIG. 7 is a diagram showing a gap contrast between a screw head and a common screw head in a flexible screen in an unfolded state;

FIG. 8 is an exploded view of a spindle assembly according to a second embodiment of the present disclosure;

fig. 9 is a schematic structural diagram of a spindle device according to a second embodiment of the present disclosure;

FIG. 10 is a schematic partial cross-sectional view of a spindle apparatus according to a second embodiment of the present disclosure;

wherein, the meanings represented by the reference numerals are respectively as follows:

11. a folded screen; 12. a base; 13. a screw; 14. a shaft cover;

100. a base; 101. a relief hole; 102. a first positioning recess; 111. a third positioning recess; 112. a connection hole;

200. a shaft cover; 201. a first threaded hole; 202. a boss structure;

301. a threaded connection; 3011. a screw head; 3012. a threaded column; 3013. a smoothing section; 302. a first gasket; 3021. a second threaded hole; 3022. a second positioning concave portion;

311. a clamping structure; 312. a connecting column; 313. a column; 321. a buckle; 3211. clamping the long hole; 3212. a fourth positioning concave portion; 331. an elastic pad; 332. and (5) giving way to the long hole.

401. A folded flexible screen; 402. an expanded state flexible screen.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.

It should be understood that in the description of the present application, it is to be understood that the terms "length," "width," "thickness," "top," "bottom," "inner," "outer," "upper," "lower," "left," "right," and the like indicate an orientation or a positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

The terms "first," "second," "third," "fourth," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. For example, the first pushing portion and the second pushing portion are merely for distinguishing between the different pushing portions, and are not limited in their order, and the first pushing portion may also be named as the second pushing portion, and the second pushing portion may also be named as the first pushing portion, without departing from the scope of the various described embodiments. And the terms "first," "second," "third," "fourth," and the like are not intended to limit the scope of the indicated features to be necessarily different.

In the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "connected," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally formed, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to the specific circumstances.

In the embodiment of the present application, "and/or" is merely one association relationship describing the association object, which means that three relationships may exist; for example, a and/or B may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

It should be noted that, in the embodiments of the present application, words such as "in one embodiment," "illustratively," "for example," and the like are used to denote as examples, illustrations, or descriptions. Any embodiment or design described herein as "in one embodiment," "illustratively," "for example," should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "in one embodiment," "illustratively," "for example," and the like are intended to present related concepts in a concrete fashion.

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 and examples.

In the related art, the shaft is an important component of the foldable electronic device, and the width and thickness of the shaft directly determine the thickness of the whole device. As shown in fig. 1, in consideration of factors such as assembly and repair, compared with dispensing and welding, the shaft cover 14 and the base 12 of the rotating shaft are generally connected by using the screw 13, however, in order to ensure that the shaft cover 14 has a certain wall thickness, the position of the screw 13 is generally kept at a certain distance from the edge of the shaft cover 14, and in order to ensure good falling reliability of the whole machine, the screw 13 needs to keep a certain clearance with the folded screen 11 for avoiding, so that the width of the rotating shaft is very wide and the thickness is very thick, which limits the possibility of narrowing the width of the rotating shaft, and further becomes a bottleneck for further thinning the whole machine of the folded electronic equipment.

The embodiment of the application provides a rotating shaft device, which can improve the technical problems.

The hinge device in the embodiment of the present application is applied to a foldable electronic device, and it should be noted that the foldable electronic device includes, but is not limited to, a mobile phone (cellphone), a notebook computer (notebook computer), a tablet computer (tablet personal computer), a laptop computer (laptop computer), a personal digital assistant (personal digital assistant), a wearable device (wearable device), a vehicle-mounted device (mobile device), or the like. The folding electronic device generally comprises a front body, a rear body and a rotating shaft folding assembly arranged between the front body and the rear body, so that the front body and the rear body can be folded and unfolded, an outer screen is arranged on the front side of the front body, the folding electronic device further comprises a flexible screen, the flexible screen is paved on the inner sides of the front body and the rear body, and when the front body and the rear body are in a folding state, the flexible screen is folded inside the whole machine by the front body and the rear body.

Referring to fig. 2 and 3, a spindle device according to an embodiment of the present application includes: the foldable electronic device comprises a base 100, a shaft cover 200 and a connecting component, wherein the base 100 is connected with a rotating shaft folding component of the foldable electronic device; the shaft cover 200 is installed at the outer side of the base 100; the connecting component comprises a connecting main body, wherein the connecting main body is arranged between the shaft cover 200 and the base 100 to connect the base 100 on the shaft cover 200, the connecting main body is arranged between the shaft cover 200 and the base 100, and the connecting main body is independently arranged and is connected with the shaft cover 200 and the base 100, and also comprises a mode that the connecting component is arranged on one of the shaft cover 200 and the base 100 and is connected with the other one; wherein, in the direction from the base 100 to the shaft cover 200, the connection body is gradually inclined toward the middle in the width direction of the shaft cover 200. The inclination of the connection body means an inclination in the extending direction of the force acting to connect the connection body, and the connection body preferably has a columnar structure. The shaft cover 200 is a strip-shaped cover body, the length direction of the shaft cover 200 is parallel to the folding line of the folding electronic device, the width direction of the shaft cover 200 is a direction perpendicular to the length direction and extending to cover the rotating shaft folding assembly, and the middle of the shaft cover 200 in the width direction may be inclined as the middle of the shaft cover in the width direction or as the middle area of the shaft cover in the width direction. By gradually inclining the connecting body from the base 100 to the direction of the shaft cover 200 toward the middle part in the width direction of the shaft cover 200, the connecting body can incline by a certain angle according to the shapes of the shaft cover 200 and the folding flexible screen 401, one end, far away from the shaft cover 200, of the connecting body can be designed to keep a certain distance from the folding flexible screen 401, and meanwhile, one end, close to the shaft cover 200, of the connecting body is closer to the folding flexible screen 401 without more space in the thickness direction of the shaft cover 200, so that the wall thickness of the shaft cover 200 is controlled, the width of the shaft cover 200 and the width of the base 100 can be narrower relative to the related art, the possibility is provided for thinning of the folding electronic equipment, and the width of the rotating shaft device is reduced, so that the folding electronic equipment can keep a smaller thickness when being folded or unfolded, thereby reducing the volume and weight of the whole machine and improving the portability and the comfort of the folding electronic equipment.

Referring to fig. 2 to 5, in a first embodiment of the present application, the connecting body of the embodiment of the present application includes a threaded connection 301, and the threaded connection 301 is connected between the shaft cover 200 and the base 100 to connect the base 100 to the shaft cover 200. The threaded connection 301 may be a screw, a small bolt, or the like. Through setting up threaded connection spare 301 for the connection between base 100 and the axle cap 200 is simpler and convenient, does not need to use other connected mode or instrument, only need with threaded connection spare 301 revolve screw between base 100 and axle cap 200 can, also can make the connection between base 100 and the axle cap 200 inseparabler and reliable, can not become flexible or drop because of folding or expansion of folding electronic equipment, has saved the manufacturing time and the cost of pivot device, has reduced pivot device's spare part quantity and weight, has improved pivot device's production efficiency and performance. Since the axis of the screw 301 is gradually inclined toward the middle in the width direction of the shaft cover 200, the screw 301 can be inclined at a certain angle according to the shapes of the shaft cover 200 and the folded flexible screen 401, and while one end of the screw 301, which is far away from the shaft cover 200, can be designed to be kept at a certain distance from the folded flexible screen 401, one end of the screw 301, which is close to the shaft cover 200, is closer to the folded flexible screen 401, and even if a certain distance from the outer edge of the shaft cover 200 is required, no more space in the thickness direction of the shaft cover 200 is required, so that the wall thickness of the shaft cover 200 is controlled.

As shown in fig. 4, in order to realize the connection of the threaded connection 301 to the base 100 and the shaft cover 200, specifically, in the embodiment of the present application, a first threaded hole 201 is provided on the inner side of the shaft cover 200, and in the direction from the inner side of the shaft cover 200 to the outer side of the shaft cover 200, the axis of the first threaded hole 201 gradually inclines toward the middle in the width direction of the shaft cover 200; the base 100 is provided with a relief hole 101, and the threaded connector 301 is screwed into the first threaded hole 201 through the relief hole 101 to connect the base 100 to the shaft cover 200. Through setting up first screw hole 201 and letting out hole 101 for threaded connection 301 can twist more conveniently and swiftly between lid 200 and base 100, need not use other connected mode or instrument, only need with threaded connection 301 through letting out hole 101 twist at first screw hole 201 can. Therefore, the manufacturing time and cost of the rotating shaft device can be saved, the number and weight of parts of the rotating shaft device can be reduced, and the production efficiency and performance of the rotating shaft device are improved. So that the screw connection 301 can be screwed between the shaft cover 200 and the base 100 more tightly and reliably, and is not loosened or separated due to folding or unfolding, thereby ensuring the normal operation and service life of the rotating shaft device, avoiding the damage or failure of the rotating shaft device, and improving the reliability and safety of the rotating shaft device. The axis of the first threaded hole 201 is gradually inclined towards the middle part of the shaft cover 200 in the width direction, so that the first threaded hole 201 can be consistent with the axis of the threaded connecting piece 301, smooth and symmetrical connection between the threaded connecting piece 301 and the base 100 and the shaft cover 200 is realized, stress concentration or deformation caused by uneven or asymmetric connection is avoided, structural stability and strength of the rotating shaft device are ensured, the axis of the first threaded hole 201 is gradually inclined towards the middle part of the shaft cover 200 in the width direction, more space in the thickness direction of the shaft cover 200 is not needed, and the wall thickness of the shaft cover 200 is controlled.

In order to increase the effective contact area between the connection assembly and the base 100, so that the connection assembly and the base 100 can be connected more closely, referring to fig. 4, in the embodiment of the present application, the threaded connection 301 includes a screw head 3011 and a threaded post 3012 connected to the screw head 3011, and the connection assembly further includes: the first gasket 302, the first gasket 302 is located between screw head 3011 and base 100, is provided with the through-hole on the first gasket 302, and screw post 3012 is passed through the through-hole in proper order, and the hole 101 of stepping down is screwed in first screw hole 201. By providing the threaded connection 301, the connection between the base 100 and the shaft cover 200 is made simpler and more convenient, and no other connection means or tools are required, only the threaded connection 301 is required to be screwed between the base 100 and the shaft cover 200. The manufacturing time and cost of the rotating shaft device are saved, the number and weight of parts of the rotating shaft device can be reduced, and the production efficiency and performance of the rotating shaft device are improved. Specifically, the threaded connection 301 includes a screw head 3011 and a threaded post 3012, where the screw head 3011 is used to connect with the base 100, the threaded post 3012 is used to connect with the shaft cover 200, and only the threaded post 3012 needs to be screwed into the first threaded hole 201 through the first spacer 302 and the yielding hole 101, so that firm and stable connection between the base 100 and the shaft cover 200 can be achieved, and other connection modes or tools, such as welding, bonding, etc., are not needed, so that the manufacturing process and technology of the rotating shaft device are simplified, the manufacturing difficulty and cost of the rotating shaft device are reduced, the number of parts and weight of the rotating shaft device are reduced, and the production efficiency and performance of the rotating shaft device are improved. The screw head 3011 can be matched with the first gasket 302 provided with the through hole on the base 100, so that the screw head 3011 can completely penetrate through the first gasket 302 and be tightly connected with the base 100, and the situation that the screw head 3011 is not firmly installed or is not installed in a proper way due to the distance or angle between the screw head 3011 and the first gasket 302 or the base 100 is avoided; by providing the first spacer 302, the connection between the screw head 3011 and the base 100 is smoother and more uniform, avoiding abrasion or damage caused by direct contact of the screw head 3011 with the base 100, and improving durability and strength of the spindle device. Specifically, the first spacer 302 can be attached to the surface of the screw head 3011, so that the contact area between the screw head 3011 and the base 100 is increased, and the screw head 3011 and the base 100 are not worn or damaged due to a gap or a clearance between the screw head 3011 and the base 100, and are not deformed or broken due to friction or impact between the screw head 3011 and the base 100. By providing the first spacer 302, the connection between the screw head 3011 and the base 100 is made tighter and more reliable, and does not loosen or fall out due to folding or unfolding. The through hole can be adapted to the shape of the relief hole 101 so that the through hole can be kept in a consistent direction with the relief hole 101, and by providing the through hole, the threaded post 3012 can be screwed into the first threaded hole 201 more accurately and precisely.

Referring to fig. 2 and 4, in order to ensure the amount of overlap between the screw head 3011 and the first spacer 302, the width of the screw head 3011 is further reduced, and in this embodiment, the through hole is a second threaded hole 3021, and the specification of the second threaded hole 3021 is the same as that of the first threaded hole 201; wherein, the side of the screw post 3012 near one end of the screw head 3011 is provided with a smooth section 3013, and the length of the smooth section 3013 in the axial direction of the screw post 3012 is greater than or equal to the hole depth of the second threaded hole 3021. In the locking process, the threaded post 3012 is screwed into the second threaded hole 3021, so that the threaded connector 301 and the first gasket 302 are locked together, and then the assembly formed by the threaded connector 301 and the first gasket 302 is screwed into the first threaded hole 201, so that the base 100 and the shaft cover 200 are locked together.

The specifications of the threaded hole include a diameter, a pitch, a thread shape, and the like, and the specification of the second threaded hole 3021 is the same as the specification of the first threaded hole 201, which means that other parameters than the hole depth are the same and can be engaged with the external thread on the threaded post 3012. By providing the through hole as the second screw hole 3021, the side portion of the screw post 3012 near the end of the screw head 3011 is provided with a smooth section 3013, and the length of the smooth section 3013 in the axial direction of the screw post 3012 is greater than or equal to the hole depth of the second screw hole 3021. The amount of overlap between the screw head 3011 and the first spacer 302 can be ensured, so that the width of the screw head 3011 can be further reduced, and the overall occupation space of the screw connection structure can be further reduced. Referring to fig. 6, in the arrangement of the embodiment of the present application, compared with the arrangement of the common washer and the screw, the amount of overlap between the screw head and the washer in the radial direction is more Δl, for example, the screw with the threaded connection 301 being M1.2, the smooth section 3013 is formed by removing the threads of the threaded post 3012 of the screw, and the amount of overlap between the screw head 3011 and the first washer 302 can be increased by 0.22mm in radius. Specifically, the inner surface of the shaft cover 200 is attached to the outer surface of the base 100, and the base 100 and the shaft cover 200 are in locking connection with the first threaded hole 201 of the shaft cover 200 through screws and the first gasket 302. By providing the smooth section 3013, the threaded post 3012 can pass through the second threaded hole 3021 more smoothly and flexibly, and the clamping stagnation or the clamping death caused by friction between the threaded post 3012 and the second threaded hole 3021 can be avoided, so that the operability and convenience of the rotating shaft device are improved. Since the length of the smooth section 3013 in the axial direction of the threaded post 3012 is greater than or equal to the hole depth of the second threaded hole 3021, the smooth section 3013 can completely pass through the second threaded hole 3021 without causing an unsmooth screwing process due to misalignment between the smooth section 3013 and the first threaded hole 201. By providing the second threaded hole 3021 and the smooth section 3013, the width of the screw head 3011 can be further reduced while ensuring the amount of overlap between the screw head 3011 and the spacer, thereby reducing the overall footprint of the threaded connection 301. Compared to directly providing the second threaded hole 3021 on the base 100, in the embodiment of the present application, by separately providing the first spacer 302 and providing the second threaded hole 3021 on the first spacer 302, the first spacer 302 is installed on the smooth section 3013 of the threaded post 3012, and then the threaded post 3012 is screwed into the second threaded hole 3021, which is easier to operate.

Since the screw 301 of the embodiment of the present application is inclined gradually from the base 100 toward the shaft cover 200 toward the middle in the width direction of the shaft cover 200. In order to increase the avoidance gap between the unfolded screen and the threaded connecting piece, the screw head 3011 in the embodiment of the present application is a round head, a half round head, a pan head or an umbrella head. In one embodiment, the screw head is a half-round head, and referring to fig. 7, it can be seen that the gap between the screw head and the unfolded screen in the embodiment of the present application is wider than the gap between the cylindrical screw head and the unfolded screen by Δh. The thickness of the rotating shaft device can be further reduced by using the delta h, and the occupied space in the thickness direction of the rotating shaft device can not be increased due to the shape of the screw head 3011 by arranging the screw head 3011 of the round head, the semicircular head, the disc head or the umbrella head, so that the light weight, the thinness and portability of the rotating shaft device are improved. In a specific embodiment, Δh is 0.23mm. On the premise of ensuring the gap between the screw head 3011 and the flexible screen 402 in the unfolded state, the extra gap can be utilized to further reduce the occupied space of the threaded connection 301 in the thickness direction of the shaft cover 200, and further make the whole machine lighter and thinner.

Referring to fig. 4, in the embodiment of the present application, a first positioning recess 102 is provided at an end of the base 100 away from the shaft cover 200, a yielding hole 101 is provided in the first positioning recess 102, a first gasket 302 is installed in the first positioning recess 102, and a bottom of the first gasket 302 abuts against a bottom wall of the first positioning recess 102. By providing the first positioning recess 102, the base 100 can more accurately and precisely mount the first spacer 302, and the mounting is not firm or the mounting is not opposite due to the position or the direction of the first spacer 302, thereby improving the connectivity and the stability of the rotating shaft device. Specifically, the first positioning recess 102 can match the shape of the first shim 302, thereby enabling the first shim 302 to be fully embedded within the first positioning recess 102. By providing the first positioning recess 102, the base 100 can be more smoothly and uniformly matched with the first gasket 302, so that stress concentration or deformation between the base 100 and the first gasket 302 is avoided, and structural stability and strength of the rotating shaft device are improved. Specifically, the first positioning recess 102 can be attached to the surface of the first gasket 302, so that the contact area between the base 100 and the first gasket 302 is increased, and stress concentration or deformation caused by a gap or a clearance between the base 100 and the first gasket 302 is avoided, and abrasion or damage caused by friction or impact between the base 100 and the first gasket 302 is avoided.

Referring to fig. 4, in the embodiment of the present application, a second positioning recess 3022 is provided at an end of the first spacer 302 away from the base 100, a through hole is provided in the second positioning recess 3022, a screw head 3011 is mounted in the second positioning recess 3022, and a bottom of the screw head 3011 abuts against a bottom wall of the second positioning recess 3022. By providing the second positioning recess 3022, the first spacer 302 can more accurately and precisely mount the screw head 3011 without causing unstable or improper mounting due to the position or direction of the screw head 3011, and the connectivity and stability of the spindle device are improved. Specifically, the second positioning recess 3022 can be matched to the shape of the screw head 3011, so that the screw head 3011 can be fully inserted into the second positioning recess 3022. By providing the second positioning recess 3022, the first spacer 302 can be more smoothly and uniformly engaged with the screw head 3011, stress concentration or deformation between the first spacer 302 and the screw head 3011 is avoided, and structural stability and strength of the spindle device are improved. Specifically, the second positioning recess 3022 can be attached to the surface of the screw head 3011, so that the contact area between the first spacer 302 and the screw head 3011 is increased, and stress concentration or deformation caused by a gap or a clearance between the first spacer 302 and the screw head 3011 and abrasion or damage caused by friction or impact between the first spacer 302 and the screw head 3011 are avoided.

Referring to fig. 4, a boss structure 202 is disposed on the inner side of the shaft cover 200 in the embodiment of the present application, the boss structure 202 is partially inserted into the relief hole 101, and a first threaded hole 201 is disposed on the boss structure 202. By providing the boss structure 202, the shaft cover 200 can support the first threaded hole 201 more firmly and stably, deformation or damage of the shaft cover 200 caused by the position or direction of the first threaded hole 201 is avoided, and structural stability and strength of the rotating shaft device are improved. Specifically, the boss structure 202 can be matched with the shape of the first threaded hole 201, so that the first threaded hole 201 can be completely embedded into the boss structure 202, deformation or damage of the boss structure 202 caused by the size or shape of the first threaded hole 201 can be avoided, and loosening or falling of the boss structure 202 caused by deflection or inclination of the first threaded hole 201 can be avoided. By arranging the boss structure 202, the shaft cover 200 can more reasonably and effectively utilize the space of the yielding hole 101, waste or redundancy of the shaft cover 200 caused by the size or shape of the yielding hole 101 is avoided, and the light weight and portability of the rotating shaft device are improved. Specifically, the boss structure 202 can adapt to the shape of the relief hole 101, so that the boss structure 202 can be partially penetrated in the relief hole 101, deformation or damage of the relief hole 101 caused by the size or shape of the boss structure 202 can be avoided, and waste or redundancy of the relief hole 101 caused by redundancy or lack of the boss structure 202 can be avoided.

Referring to fig. 8 to 10, in the second embodiment of the present application, a manner different from that in the first embodiment is adopted, the connection body in the embodiment of the present application includes a clamping post, the clamping post is disposed on the shaft cover 200, the base 100 is provided with a connection hole 112, the clamping post is disposed in the connection hole 112 in a penetrating manner, one end of the clamping post, which is far away from the shaft cover 200, is provided with a clamping structure 311, and the shaft cover 200 is connected with the base 100 through the clamping structure 311. Through the cooperation of joint post and connecting hole 112, realized the detachable connection of shaft cap 200 and base 100, made things convenient for the installation and the maintenance of pivot device. The connection mode does not need to use a threaded connecting piece 301 or other additional components, simplifies the structure of the rotating shaft device and improves the reliability of the rotating shaft device. The axis of the clamping post is inclined to the middle part of the shaft cover 200 in the width direction, so that the width of the rotating shaft device can be reduced, and the possibility of thinning the folding electronic equipment is provided. The tilting mode can enable the clamping column to occupy smaller space in the width direction of the rotating shaft device, so that the influence of the rotating shaft device on the thickness of the folding electronic equipment is reduced. Through the setting of joint post, reduced coupling assembling's quantity and volume, reduced pivot device's cost and weight.

The connecting assembly in the embodiment of the application comprises a buckle 321, wherein a connecting structure is arranged on the buckle 321, the buckle 321 is installed at one end, far away from the shaft cover 200, of the base 100, and one end, far away from the shaft cover 200, of the clamping column extends out of the connecting hole 112 and is clamped with the connecting structure. Through the clamping connection between the clamping buckle 321 and the clamping structure 311, the reliable fixation between the shaft cover 200 and the base 100 is realized, and the loosening or falling off of the rotating shaft device is prevented. A firm connection point is formed between the shaft cover 200 and the base 100, so that various forces and torques generated in the use process of the folding electronic equipment can be borne, and the stability and reliability of the rotating shaft device are ensured. Wherein, be provided with connection structure on the buckle 321, connection structure can be in the form of joint slot 3211, draw-in groove, pothook etc. can cooperate with joint structure 311 on the joint post, forms a detachable locking mechanism. The design of the buckle 321 and the connecting structure ensures that the connection between the shaft cover 200 and the base 100 is not only firm, but also convenient, and can be disassembled or replaced as required.

Referring to fig. 8 and 10, in the embodiment of the present application, the connection structure is a clamping long hole 3211, the clamping column includes a column 313, one end of the column 313 away from the shaft cover 200 is provided with a connection column 312, the clamping structure 311 is disposed on the connection column 312, the clamping structure 311 is a strip structure, a buckle 321 is sleeved on the connection column 312 through the clamping long hole 3211 via the strip structure, and a rotating buckle 321 is preset to a preset angle to enable the strip structure to be blocked by the edge of the clamping long hole 3211, so as to connect the base 100 on the shaft cover 200. The preset angle may be 30 °, 60 °, 90 °, etc. When the locking device is installed, firstly, the clamping post penetrates out of the connecting hole 112 on the base 100, the clamping structure 311 extends out of the connecting hole 112, then the buckle 321 is sleeved at the position of the connecting post 312 through the matching of the clamping long hole 3211 and the strip-shaped structure, and finally the buckle 321 is rotated for a preset angle to lock the buckle 321. The rotary installation and the disassembly are realized, and the installation and the maintenance of the rotating shaft device are convenient. The design of joint long hole 3211 and bar structure for when rotatory buckle 321, the relative position between joint long hole 3211 and the bar structure can be adjusted, thereby realize the dismouting operation to the pivot device. Therefore, the rotating shaft device can be replaced or repaired according to the requirement, and the service life and the efficiency of the rotating shaft device are improved.

Because buckle 321 need rotate for the joint post and just can realize the joint, for the rotation of being convenient for, buckle 321 is embolia behind spliced pole 312 position, there is certain clearance between buckle 321 and the joint structure 311, for this part clearance of compensation for buckle 321 can with the inseparabler cooperation of joint structure 311, please refer to fig. 8 and 10 and show, coupling assembling in this application embodiment still includes elastic gasket 331, elastic gasket 331 installs between joint structure 311 and buckle 321, rotatory buckle 321 presets the angle and can make buckle 321 and joint structure 311 extrude elastic gasket 331. On the one hand, the design of the elastic pad 331 makes the elastic pad 331 generate a certain compression force or tension force with the clamping structure 311 and the clamping structure 321 when the clamping structure 321 is rotated, thereby playing a role in preventing loose, so that the clamping structure 311 can be more tightly matched with the clamping structure 321. On the other hand, through the elastic gasket 331, the buffering and damping functions of the rotating shaft device are realized, and the comfort and durability of the rotating shaft device are improved. So that when the buckle 321 is rotated, the elastic pad 331 can generate certain elastic deformation with the clamping structure 311 and the buckle 321, thereby playing a certain role in buffering and damping.

Referring to fig. 8, in the embodiment of the present application, the elastic pad 331 is provided with a yielding slot 332, and the elastic pad 331 is sleeved on the connecting post 312 through the yielding slot 332. Through the slot 332 of stepping down for the elastic gasket 331 can be established on spliced pole 312 through the slot 332 cover of stepping down, thereby realize the dismouting operation to the elastic gasket 331, realized the detachable connection of elastic gasket 331 and spliced pole 312, made things convenient for the installation and the maintenance of pivot device. The yielding slot 332 may be elliptical or rectangular, so that the elastic spacer 331 may generate a certain rotation space in the yielding slot 332 relative to the connecting post 312, thereby implementing the rotation dismounting operation of the elastic spacer 331.

Referring to fig. 8, in the embodiment of the present application, a third positioning recess 111 is provided on the base 100, a connection hole 112 is formed at the bottom of the third positioning recess 111, a buckle 321 is installed in the third positioning recess 111, and the bottom of the buckle 321 abuts against the bottom wall of the third positioning recess 111. By providing the third positioning recess 111 such that the catch 321 can be mounted in the third positioning recess 111, the catch 321 can be mounted on the base 100 more accurately and precisely, facilitating the mounting. Specifically, the third positioning concave portion 111 can be matched with the shape of the buckle 321, so that the buckle 321 can be completely embedded into the third positioning concave portion 111, the buckle 321 can not influence the installation of other components, and the connection stability between the buckle 321 and the clamping post can be prevented from being influenced by the collision of other components.

Referring to fig. 8, in the embodiment of the present application, a fourth positioning recess 3212 is disposed at an end of the buckle 321 away from the base 100, and the elastic pad 331 is installed in the fourth positioning recess 3212. By providing the fourth positioning recess 3212 so that the elastic pad 331 can be mounted in the fourth positioning recess 3212, the elastic pad 331 can be more accurately and precisely mounted on the base 100 for easy mounting. Specifically, the fourth positioning concave portion 3212 can be matched with the shape of the elastic gasket 331, so that the elastic gasket 331 can be completely embedded into the fourth positioning concave portion 3212, so that the elastic gasket 331 does not affect the installation of other components, and the connection stability between the buckle 321 and the clamping post can be prevented from being affected by the collision of other components.

In another implementation manner of the second embodiment of the present application, the base 100 may be provided with a clamping buckle matched with the clamping post, and after the base 100 is installed in place on the shaft cover 200, the clamping structure 311 is clamped with the clamping buckle.

A second aspect of the present application provides a foldable electronic device, including the above-mentioned hinge device, where the hinge device in the embodiments of the present application is used for a foldable electronic device, and the foldable electronic device includes, but is not limited to, a mobile phone (cellphone), a notebook computer (notebook computer), a tablet computer (tablet personal computer), a laptop computer (laptop computer), a personal digital assistant (personal digital assistant), a wearable device (mobile device), or a vehicle-mounted device (mobile device), etc. The folding electronic device generally comprises a front body, a rear body and a rotating shaft folding assembly arranged between the front body and the rear body, so that the front body and the rear body can be folded and unfolded, an outer screen is arranged on the front side of the front body, the folding electronic device further comprises a flexible screen, the flexible screen is paved on the inner sides of the front body and the rear body, and when the front body and the rear body are in a folding state, the flexible screen is folded inside the whole machine by the front body and the rear body.

The above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application.

Claims (17)

1. A hinge device applied to a folder-type electronic apparatus, the hinge device comprising:

the base is connected with the rotating shaft folding assembly of the folding electronic equipment;

the shaft cover is arranged on the outer side of the base;

a connection assembly including a connection body disposed between the shaft cover and the base to connect the base to the shaft cover;

wherein the connecting body is gradually inclined toward the middle in the width direction of the shaft cover in a direction directed from the base toward the shaft cover.

2. A spindle assembly as set forth in claim 1 wherein said connecting body includes a threaded connection connected between said shaft cover and said base for connecting said base to said shaft cover.

3. The rotating shaft device according to claim 2, wherein a first screw hole is provided inside the shaft cover, and an axis of the first screw hole is gradually inclined toward a middle part in a width direction of the shaft cover in a direction from an inside of the shaft cover toward an outside of the shaft cover; the base is provided with a yielding hole, and the threaded connecting piece is screwed in the first threaded hole through the yielding hole so as to connect the base to the shaft cover.

4. A spindle assembly as set forth in claim 3 wherein said threaded connection includes a screw head and a threaded post connected to said screw head, said connection assembly further comprising:

the screw head is provided with a base, the base is provided with a screw head, the screw head is provided with a screw hole, and the screw head is provided with a screw hole.

5. The rotary shaft device according to claim 4, wherein the through hole is a second threaded hole, and the specification of the second threaded hole is the same as the specification of the first threaded hole;

the side part of the threaded column, which is close to one end of the screw head, is provided with a smooth section, and the length of the smooth section in the axial direction of the threaded column is greater than or equal to the hole depth of the second threaded hole.

6. The apparatus of claim 4, wherein the screw head is a round head, a half round head, a pan head, or an umbrella head.

7. The rotary shaft device according to claim 4, wherein an end of the base remote from the shaft cover is provided with a first positioning recess in which the relief hole is provided, the first spacer is mounted in the first positioning recess, and a bottom of the first spacer abuts against a bottom wall of the first positioning recess.

8. The spindle assembly of claim 4 wherein a second locating recess is provided at an end of the first washer remote from the base, the through hole is provided in the second locating recess, the screw head is mounted in the second locating recess, and a bottom of the screw head abuts against a bottom wall of the second locating recess.

9. A spindle assembly as set forth in claim 3 wherein said spindle cap is provided with a boss structure on an inner side thereof, said boss structure being partially disposed through said relief hole, said first threaded bore being disposed on said boss structure.

10. The rotary shaft device according to claim 1, wherein the connecting body comprises a clamping post, the clamping post is arranged on the shaft cover, a connecting hole is formed in the base, the clamping post is arranged in the connecting hole in a penetrating mode, a clamping structure is arranged at one end, away from the shaft cover, of the clamping post, and the shaft cover is connected with the base through the clamping structure.

11. The hinge device according to claim 10, wherein the connecting assembly includes a buckle, a connecting structure is provided on the buckle, the buckle is mounted at an end of the base, which is far away from the shaft cover, and an end of the clamping post, which is far away from the shaft cover, extends out of the connecting hole and is clamped with the connecting structure.

12. The apparatus of claim 11, wherein the connection structure is a long clamping hole, the clamping post comprises a post, a connecting post is disposed at one end of the post away from the shaft cover, the clamping structure is disposed on the connecting post, the clamping structure is a bar structure, the buckle is sleeved on the connecting post through the long clamping hole and the bar structure, and rotating the buckle by a preset angle can stop the bar structure by an edge of the long clamping hole so as to connect the base to the shaft cover.

13. The spindle assembly of claim 12 wherein said connection assembly further includes a resilient spacer mounted between said snap feature and said catch, rotation of said catch by said predetermined angle causing said catch and said snap feature to compress said resilient spacer.

14. The rotating shaft device according to claim 13, wherein the elastic spacer is provided with a yielding slot, and the elastic spacer is sleeved on the connecting post through the yielding slot.

15. The rotating shaft device according to claim 11, wherein a third positioning recess is provided on the base, the connecting hole is provided at the bottom of the third positioning recess, the buckle is installed in the third positioning recess, and the bottom of the buckle abuts against the bottom wall of the third positioning recess.

16. A spindle assembly as set forth in claim 13 wherein said catch is provided with a fourth detent recess at an end remote from said base, said resilient pad being mounted in said fourth detent recess.

17. A foldable electronic device, characterized in that it comprises a spindle device according to any one of claims 1-16.