CN212259021U - Rotating shaft structure of folding mobile phone and folding screen mobile phone - Google Patents

Abstract

The utility model discloses a rotary shaft structure of a folding mobile phone and a folding screen mobile phone, relating to the technical field of mobile phones, comprising a left rotary shaft and a right rotary shaft which are respectively matched with an upper cover and a lower cover of a mobile phone body in a rotating way, and the left rotary shaft and the right rotary shaft are connected with a rotating piece; the left rotating shaft and the right rotating shaft respectively comprise a base connected with an upper cover and a lower cover of the mobile phone body, a cam structure is formed on the base, the base is rotatably connected with a rotating shaft body, a concave wheel structure matched with the cam structure in a rolling and clamping mode is installed on the rotating shaft body, and an elastic piece for driving the concave wheel structure to abut against the cam structure is further arranged on the rotating shaft body. The cam structure and the concave wheel structure realize locking, folding and flattening opening of the upper cover and the lower cover of the folding mobile phone under the matching action of the elastic piece, and a user only needs to provide initial force for unlocking and overturning, so that the purposes of improving the use convenience and the use experience of the user are achieved.

Description

Rotating shaft structure of folding mobile phone and folding screen mobile phone

Technical Field

The utility model belongs to the technical field of the mobile phone technique and specifically relates to a pivot structure and folding screen cell-phone of foldable cell-phone is related to.

Background

The folding screen mobile phone has the size similar to that of a common mobile phone when the screen is folded, and becomes a small-sized tablet computer when the screen is unfolded, so that the folding screen mobile phone has the functions of entertainment and office, and meets the requirements of pursuing portability and multiple functions of consumers at present.

The prior Chinese patent with the publication number of CN208986990U discloses a folding screen mobile phone, which comprises a mobile phone body, wherein a double-sided touch screen is arranged on one side of the mobile phone body and is rotatably connected with the mobile phone through a rotating shaft, a keyboard groove is arranged on the binding surface of the mobile phone body and the double-sided touch screen, and a control key is arranged in the keyboard groove; the top of the machine body is provided with a camera symmetrically close to one side of the keyboard groove and a camera symmetrically far away from one side of the keyboard groove, and the machine body is provided with a receiver far away from one side of the keyboard groove. The folding screen mobile phone integrates the camera, the receiver and the inductor into the mobile phone body, and the double-sided touch screen on the surface of the mobile phone is a comprehensive screen when the double-sided touch screen is closed, so that the using effect is improved.

In the prior art, the double-sided touch screen and the keyboard slot of the body are in turning fit through the middle rotating shaft, and the rotating shaft is generally a damping rotating shaft, so that the purpose of stable folding is realized while the rotating fit of the rotating shaft and the damping rotating shaft is realized. However, when the user turns over and unfolds the double-sided touch screen and the keyboard groove, the damping action of the damping rotating shaft needs to be overcome until the double-sided touch screen and the keyboard groove are completely unfolded, the damping action force is large, the operation is inconvenient, the user experience is poor, and the prior art has the improvement part.

SUMMERY OF THE UTILITY MODEL

To the technical problem, one of the purposes of the utility model is to provide a pivot structure of foldable cell-phone cooperatees the purpose that realizes the expansion of semi-automatic drive foldable cell-phone through elastic component, cam structure and concave wheel structure three, has better convenience in use and experience.

In order to achieve the above purpose, the utility model provides a following technical scheme: a rotary shaft structure of a folding mobile phone comprises a left rotary shaft and a right rotary shaft which are respectively matched with an upper cover and a lower cover of a mobile phone body in a rotating way, wherein the left rotary shaft and the right rotary shaft are connected with a rotating piece; the mobile phone comprises a left rotating shaft and a right rotating shaft, wherein the left rotating shaft and the right rotating shaft respectively comprise a base connected with an upper cover and a lower cover of a mobile phone body, a cam structure is formed on the base, the base is rotatably connected with a rotating shaft body, a concave wheel structure matched with the cam structure in a rolling and clamping mode is installed on the rotating shaft body, and an elastic piece for driving the concave wheel structure to abut against the cam structure is further arranged on the rotating shaft body.

By adopting the technical scheme, when the folding mobile phone is in a folding state, the cam structure and the concave wheel structure are in clamping fit relatively, and the elastic piece drives the cam structure to abut against the concave wheel structure, so that the aim of locking the upper cover and the lower cover of the mobile phone body is fulfilled. When a user needs to use the folding mobile phone, the upper cover and the lower cover of the mobile phone body are respectively turned over towards the two sides, namely, initial turning force for releasing clamping locking is provided, so that the cam structure and the concave wheel structure are unlocked, and the turning motion is automatically completed under the action of the elastic driving force of the elastic piece until the upper cover and the lower cover of the folding mobile phone are completely unfolded. The cam structure and the concave wheel structure realize locking, folding and flattening opening of the upper cover and the lower cover of the folding mobile phone under the matching action of the elastic piece, and a user only needs to provide initial force for unlocking and overturning, so that the purposes of improving the use convenience and the use experience of the user are achieved.

The utility model discloses further set up to: the left rotating shaft and the right rotating shaft are respectively provided with a manual rotating shaft and a semi-automatic rotating shaft, the cam structure of the semi-automatic rotating shaft comprises two arc-shaped protrusions which are oppositely arranged, the concave wheel structure of the semi-automatic rotating shaft comprises two arc-shaped grooves which are oppositely arranged, the arc-shaped grooves are matched with the arc-shaped protrusions in a clamping mode, and the concave wheel structure is provided with a continuous arc-shaped transition structure between the two arc-shaped grooves.

Through adopting above-mentioned technical scheme, adopt the protruding joint locking with arc recess matched with mode realization cam structure and concave wheel structure of arc, adopt the protruding and arc transition structure of arc to remove the locking simultaneously, above-mentioned arc is protruding, arc recess and elastic component three cooperatees and realizes the joint locking and the automatic function of removing the locking promptly, can improve the protruding smooth and easy nature of locking stability and removing of arc recess of arc simultaneously.

The utility model discloses further set up to: manual pivot the cam structure is protruding including the rectangular of two relative settings, and manual pivot the concave wheel structure is including the rectangular recess of two relative settings, the protruding cooperation of rectangular recess joint with rectangular.

Through adopting above-mentioned technical scheme, left turn axle and right turn axle adopt different normal running fit structure respectively, the manual pivot that rectangular arch and rectangular recess cooperation constitute needs the manual rotation of user to open, and the semi-automatic pivot that the protruding and the cooperation of arc type recess constitute of arc type can realize semi-automatic rotation, even when the manual rotation of user and the upper cover that is connected with manual pivot of flattening completely, the lower cover that is connected with semi-automatic pivot is relieved and is locked to flatten completely under the driving action of elastic component. The mode that one side is opened by manual flattening and the other side is opened by semi-automatic flattening is combined, so that the purposes of comprehensively improving the use convenience and the use experience are achieved.

The utility model discloses further set up to: the fixing installation has the separator on the rotating member, the separator presss from both sides and locates between left pivot and the right pivot, just the separator separates the setting with left pivot, right pivot and the upper cover and the lower cover of cell-phone body.

Through adopting above-mentioned technical scheme, the separator cooperatees with the rotating member and uses, plays the effect that improves rotating member structural strength and stability in use, and then reaches the purpose that improves the pivot structural strength of foldable cell-phone.

The utility model discloses further set up to: guide grooves are formed in the positions, relative to the left rotating shaft and the right rotating shaft, of the separating piece, and the outer side wall of the elastic piece is in sliding guide fit with the groove wall of each guide groove.

By adopting the technical scheme, the guide groove is matched with the elastic piece for use and plays a role in limiting and guiding the movement of the elastic piece.

The utility model discloses further set up to: the left rotating shaft, the right rotating shaft, the separating piece and the rotating piece are covered by a protective cover.

Through adopting above-mentioned technical scheme, the effect of protection left pivot, right pivot, rotating member and separator is played to the safety cover to improve the pivot structure stability in use of foldable cell-phone.

The utility model discloses further set up to: the safety cover can be dismantled fixedly with the separator, just the outer wall of separator adopts elasticity buckle structure joint fixed with the inner wall of safety cover.

Through adopting above-mentioned technical scheme, adopt elasticity buckle structure to realize dismantling of safety cover and separator and be connected fixedly, when protecting left-hand member, right-hand member, rotating member and separator, be convenient for assembly personnel and user of service installation, dismantlement or change the safety cover.

The utility model discloses further set up to: the base comprises a main body structure used for forming a cam structure and a bottom plate used for fixing the main body structure, the main body structure is positioned and inserted into the upper cover and the lower cover of the corresponding mobile phone body, the cam structure extends out of the upper cover and the lower cover of the mobile phone body, and the bottom plate is connected with the upper cover and the lower cover of the mobile phone body in a locking mode and clamps the fixed main body structure.

By adopting the technical scheme, the cam structure is installed and fixed in a manner of matching the bottom plate, the main body structure and the mobile phone body, the structure is simple, the assembly is convenient, and the rolling clamping matching of the cam structure and the concave wheel structure cannot be influenced; and the main structure is installed with the upper cover and the lower cover of the mobile phone body in a positioning, inserting and matching manner, so that the installation convenience and accuracy of assembling personnel are improved.

The utility model discloses further set up to: the elastic piece is a spring which is coaxially sleeved on the corresponding rotating shaft body; the tip that the concave wheel structure was kept away from to the pivot body is formed with the stopper, just the position department that is close to in the stopper has seted up annular clamping groove on the pivot body, the jump ring is installed to elasticity joint in the annular clamping groove.

By adopting the technical scheme, the spring is used as the elastic piece, sleeved on the rotating shaft body and limited between the concave wheel structure and the clamp spring; the annular clamping groove is matched with the limiting block to achieve the purpose of installing the fixed clamp spring, the clamp spring further plays a role in limiting the fixed elastic piece, and then the detachable installation of the elastic piece is achieved.

To the technical problem, the utility model discloses a second purpose lies in providing a folding screen cell-phone, matches fixed cam structure, simple structure, the installation of being convenient for, maintenance through bottom plate and mounting groove.

In order to achieve the above purpose, the utility model provides a following technical scheme: a folding screen mobile phone comprises an upper cover and a lower cover, wherein the upper cover and the lower cover are connected with a rotating shaft structure of the folding mobile phone; the mobile phone comprises a mobile phone body, wherein the mobile phone body is provided with an upper cover and a lower cover which are respectively provided with a mounting groove, the main body structure is positioned and inserted in the corresponding mounting groove, and the bottom plate is embedded and locked in the mounting groove and is matched with the mobile phone body to clamp and fix the main body structure.

Through adopting above-mentioned technical scheme, the major structure can fix a position and peg graft in corresponding mounting groove to cooperate the installation fixed mode that realizes the centre gripping locking through bottom plate and mounting groove, installation fixed knot constructs simply, easy to carry out, and can improve cam structure's use, installation stability.

To sum up, the utility model discloses following beneficial effect has:

one is as follows: the cam structure and the concave wheel structure realize locking, folding and flattening opening of the upper cover and the lower cover of the folding mobile phone under the matching action of the elastic piece, and a user can realize semi-automatic flattening opening of the folding mobile phone only by providing initial force for unlocking and turning, so that the use convenience and use experience of the user are improved;

the second step is as follows: the cam structure is clamped and fixed in the upper cover and the lower cover of the mobile phone body through the matching of the bottom plate and the mounting groove, so that the cam structure is convenient for installation and fixation of installation personnel or assembly personnel, and is also beneficial to improving the use stability of the cam structure;

and thirdly: the user simultaneously manually opens the upper cover that is connected with manual pivot to and the lower cover that is connected with semi-automatic pivot, because the pivot structure of upper cover and lower cover is different, when the user is opened the upper cover in the exhibition flat completely, can relieve the lock-out state of lower cover, then the lower cover can continue the upset under the effect of elastic drive power until exhibition flat state is put down in the exhibition flat completely, and then reach balanced operation convenience and operation automation, and synthesize the purpose that improves user's operation convenience, experience.

Drawings

Fig. 1 is a schematic view of a hinge structure of a folding mobile phone and a matching structure of a folding screen mobile phone according to a first embodiment;

fig. 2 is a schematic view of a hinge structure of a foldable mobile phone and a structure of a foldable mobile phone with a foldable screen when a protective cover is removed;

fig. 3 is a schematic diagram of the general structure of the hinge structure of the folding mobile phone;

FIG. 4 is a schematic structural view mainly used for showing a semi-automatic spindle;

FIG. 5 is a schematic structural view mainly used for showing a manual rotating shaft;

FIG. 6 is a schematic view of the structure of the rotary member;

FIG. 7 is a dynamic schematic diagram of the upper and lower covers when turned to a neutral vertical position;

FIG. 8 is a dynamic schematic view of the upper and lower covers when flipped to a closed, closed position;

fig. 9 is a schematic view of the bottom and mounting groove structure of the folding screen mobile phone in the second embodiment.

Reference numerals: 1. an upper cover; 2. a lower cover; 3. a left rotating shaft; 4. a right rotating shaft; 5. a rotating member; 51. a separator; 511. a guide groove; 6. a base; 61. a rotating shaft body; 611. a limiting block; 612. an annular clamping groove; 62. an elastic member; 63. a body structure; 64. a base plate; 65. a clamp spring; 7. a concave wheel structure; 71. a first sheave body; 711. an arc-shaped groove; 712. an arc-shaped transition structure; 72. a second sheave body; 721. a rectangular groove; 8. a cam structure; 81. a first cam body; 811. an arc-shaped bulge; 82. a second cam body; 821. a rectangular protrusion; 9-A, a protective cover; 9-B and a mounting groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1 and 2, a rotating shaft structure of a folding mobile phone includes a left rotating shaft 3 and a right rotating shaft 4 respectively rotatably engaged with an upper cover 1 and a lower cover 2 of a mobile phone body, and the left rotating shaft 3 and the right rotating shaft 4 are connected with a rotating member 5, i.e., the left rotating shaft 3 is respectively installed on the left and right sides of one end of the upper cover 1 close to the lower cover 2, the right rotating shaft 4 is respectively installed on the left and right sides of one end of the lower cover 2 close to the upper cover 1, and the corresponding left rotating shaft 3 and right rotating shaft 4 are connected with the rotating member 5. The user turns the upper cover 1 and the lower cover 2 in opposite directions to close the foldable mobile phone, and turns the upper cover 1 and the lower cover 2 in opposite directions to open the foldable mobile phone.

As shown in fig. 3, each of the left rotating shaft 3 and the right rotating shaft 4 includes a base 6 connected to the upper cover 1 or the lower cover 2, a rotating shaft body 61 is rotatably mounted on the base 6, and an axial direction of the rotating shaft body 61 is arranged along a turning axial direction of the folding mobile phone. The concave wheel structure 7 is coaxially sleeved on the rotating shaft body 61, meanwhile, the concave wheel structure 7 can be matched with the rotating shaft body 61 in a sliding mode along the direction of the turning axis, the base 6 extends out of the mobile phone body and is formed with the cam structure 8, the elastic piece 62 is coaxially sleeved on the rotating shaft body 61, the spring can be used as the elastic piece 62, and the concave wheel structure 7 is tightly abutted to the cam structure 8 through the spring. The cam structure 8 and the concave wheel structure 7 are matched for use, namely, a driving matching mode of rolling clamping is realized by means of shape change of butting of the cam structure and the concave wheel structure. When the upper cover 1 and the lower cover 2 are closed, the cam structure 8 and the concave wheel structure 7 are clamped and locked under the action of the elastic piece 62, when the upper cover 1 and the lower cover 2 are opened in a flattening mode, a user needs to apply a preliminary overturning acting force to unlock the cam structure 8 and the concave wheel structure 7, and at the moment, the concave wheel structure 7 can continue to drive the cam structure 8 to drive the upper cover 1 to overturn under the action of the elastic piece 62 until the upper cover 1 and the lower cover 2 are opened in a completely flattening mode.

In order to balance the use experience, the convenience and the self-driving degree of the folding mobile phone, the left rotating shaft 3 and the right rotating shaft 4 are respectively set as a manual rotating shaft and a semi-automatic rotating shaft, the manual rotating shaft is completely opened manually, the semi-automatic rotating shaft is unlocked manually, then the self-driving rotating action is completed, and meanwhile secondary locking is completed. The difference between the manual rotating shaft and the semi-automatic rotating shaft is that: the cam structure 8 and the concave wheel structure 7 are different in structure and shape.

Referring to fig. 2 and 4, the cam structure 8 of the semi-automatic rotating shaft includes a first cam body 81 connected to the upper cover 1, and two arc-shaped protrusions 811 extending from the first cam body 81 to the upper cover 1, wherein the two arc-shaped protrusions 811 are disposed opposite to each other; the concave wheel structure 7 of the semi-automatic rotating shaft comprises a first concave wheel main body 71 and two arc-shaped grooves 711 formed by extending the first concave wheel main body 71 towards one side of the cam structure 8, wherein the two arc-shaped grooves 711 are oppositely formed, and a continuous arc-shaped transition structure 712 is formed at the outer circle between the two arc-shaped grooves 711 on the first concave wheel main body 71. When the upper cover 1 and the lower cover 2 are closed, the arc protrusion 811 is clamped in the corresponding arc groove 711, and when the user provides an initial acting force to open the upper cover 1 and the lower cover 2 in a flat manner, the clamping locking between the arc protrusion 811 and the arc groove 711 is released, and meanwhile, the elastic member 62 is compressed, and the arc groove 711 drives the arc protrusion 811 to continuously turn over under the action of the elastic restoring force of the elastic member 62 until the upper cover 1 and the lower cover 2 are completely opened in a flat manner and the arc protrusion 811 is secondarily clamped and locked with the other arc groove 711.

As shown in fig. 2 and 5, the cam structure 8 of the manual rotation shaft includes a second cam main body 82 connected to the lower cover 2, the second cam main body 82 extends out of the upper cover 1 and forms two rectangular protrusions 821, and the two rectangular protrusions 821 are oppositely arranged; the concave wheel structure 7 of the semi-automatic rotating shaft comprises a second concave wheel main body 72 connected with the lower cover 2, two rectangular grooves 721 are formed on the second concave wheel main body 72 in an extending way towards one side of the cam structure 8, and the two rectangular grooves 721 are oppositely arranged. The two rectangular protrusions 821 are always in sliding insertion fit with the corresponding rectangular grooves 721, i.e. when the user turns the lower cover 2, the user needs to turn the lower cover completely manually, but the sliding insertion of the rectangular protrusions 821 and the rectangular grooves 721 only needs a small initial turning force, and the operation difficulty of use is not increased.

Referring to fig. 4 and 5, the base 6 includes a main structure 63 locked with the upper cover 1 or the lower cover 2, the cam structure 8 is formed on the main structure 63, and the main structure 63 is positioned and inserted to be installed at a bottom position of the upper cover 1 or the lower cover 2, and meanwhile, the arc protrusion 811 or the rectangular protrusion 821 of the cam structure 8 can extend out of the upper cover 1 or the lower cover 2 without affecting the use of the cam structure 8 in cooperation with the concave wheel structure 7. Referring to fig. 2 and 3, after the main structure 63 is inserted into the upper cover 1 or the lower cover 2, the bottom surface of the upper cover 1 or the lower cover 2 is locked and installed with the bottom plate 64, and then the bottom plate 64 is matched with the mobile phone body to realize clamping, installation and fixation of the main structure 63.

As shown in fig. 3, the rotating member 5 is a plate structure, the rotating member 5 is perpendicular to the turning axis, and the left and right ends of the rotating member 5 are respectively engaged with the rotating shaft bodies 61 on both sides. A limiting block 611 is formed at the far end of the rotating shaft body 61 far away from the upper cover 1 or the lower cover 2, an annular clamping groove 612 is coaxially formed at the far end of the rotating shaft body 61 close to the limiting block 611, a clamping spring 65 is elastically clamped and installed in the annular clamping groove 612, and two ends of the rotating piece 5 are clamped and connected to the end of the rotating shaft body 61 and fixed under the matching action of the clamping spring 65 and the limiting block 611.

As shown in fig. 3 and 6, a spacer 51 is fixedly mounted on the rotary member 5, the spacer 51 is provided in a block structure, and the spacer 51 is located at a middle position of the left and right rotating shaft bodies 61 and is not in contact with the left rotating shaft 3, the right rotating shaft 4 and the mobile phone body. The position of the separating element 51 corresponding to the two side rotating shaft bodies 61 is respectively provided with a guiding groove 511, and the guiding groove 511 plays a guiding role in the process of compressing or extending the elastic element 62. Referring to fig. 1 and 2, a protective cover 9-a covers the left rotating shaft 3, the right rotating shaft 4, the separating member 51 and the rotating member 5 on the same side of the upper cover 1 and the lower cover 2, and the protective cover 9-a is detachably connected with the separating member 51 through an elastic buckle structure.

Example two:

as shown in fig. 9, a folding screen mobile phone includes an upper cover 1 and a lower cover 2 hinged to each other, the upper cover 1 and the lower cover 2 are provided with the rotating shaft structures of the folding mobile phone on the left and right sides near the end portions, and the bottom surfaces of the upper cover 1 and the lower cover 2 are provided with mounting grooves 9-B, the main structure 63 is positioned and inserted in the corresponding mounting groove 9-B, and the bottom plate 64 is also inserted in the mounting groove 9-B and locked with the bottom plate 64, the main structure 63 and the mobile phone body by screws and the like.

The utility model is further explained by combining the specific actions as follows:

when the upper cover 1 and the lower cover 2 are closed (refer to fig. 8), the arc protrusion 811 of the left rotating shaft 3 is engaged with the corresponding arc groove 711 by the elastic member 62. When a user turns over and opens the folding mobile phone, and needs to turn over the lower cover 2 manually, the rectangular protrusion 821 of the right rotating shaft 4 slides and rotates in the corresponding rectangular groove 721 until the lower cover 2 is completely flattened (see fig. 7), and the rectangular groove 721 and the rectangular protrusion 821 realize the fixation of the lower cover 2 under the action of the elastic element 62; because the force required by the left rotating shaft 3 to unlock the locking state is greater than the force required by the right rotating shaft 4 to unlock the locking state, when the lower cover 2 is completely unfolded, the arc protrusion 811 of the upper cover 1 is just unlocked with the corresponding arc groove 711, at this time, the user does not need to apply a turning force any more, the concave wheel structure 7 slides under the action of the elastic member 62, and drives the cam structure 8 to drive the upper cover 1 to continue to turn until the arc protrusion 811 and the other arc groove 711 are secondarily locked, so that the purpose of completely unfolding and opening the foldable mobile phone is achieved (refer to fig. 1).

The present invention is not limited to the above embodiments, and those skilled in the art can modify the present invention as needed after reading the present specification without any inventive contribution, but all the modifications are protected by the patent laws within the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a pivot structure of foldable cell-phone which characterized in that: the mobile phone comprises a left rotating shaft (3) and a right rotating shaft (4) which are respectively matched with an upper cover (1) and a lower cover (2) of a mobile phone body in a rotating way, wherein the left rotating shaft (3) and the right rotating shaft (4) are connected with a rotating piece (5); left side pivot (3) and right pivot (4) all include base (6) that are connected with upper cover (1), lower cover (2) of cell-phone body, be formed with cam structure (8) on base (6), base (6) are rotated and are connected with pivot body (61), just install on pivot body (61) and roll concave round structure (7) that the joint cooperation was used with cam structure (8), still be provided with elastic component (62) of drive concave round structure (7) butt in cam structure (8) on pivot body (61).

2. The hinge structure of a foldable phone according to claim 1, wherein: left side pivot (3) and right pivot (4) set up to manual rotation axle and semi-automatic pivot respectively, and semi-automatic pivot cam structure (8) are protruding (811) including the arc of double-phase relative setting, and semi-automatic pivot concave wheel structure (7) are including two relative arc recess (711) of seting up, arc recess (711) and the protruding (811) joint cooperation of arc, just concave wheel structure (7) are formed with continuous arc transition structure (712) between two arc recesses (711).

3. The hinge structure of a foldable phone according to claim 2, wherein: the cam structure (8) of the manual rotating shaft comprises two rectangular protrusions (821) which are arranged oppositely, the concave wheel structure (7) of the manual rotating shaft comprises two rectangular grooves (721) which are arranged oppositely, and the rectangular protrusions (821) are in clamping fit with the rectangular grooves (721).

4. The hinge structure of a foldable phone according to claim 1, wherein: the rotating piece (5) is locked and installed with a separating piece (51), the separating piece (51) is clamped between the left rotating shaft (3) and the right rotating shaft (4), and the separating piece (51) is separated from the left rotating shaft (3), the right rotating shaft (4) and the upper cover (1) and the lower cover (2) of the mobile phone body.

5. The hinge structure of a foldable phone according to claim 4, wherein: guide grooves (511) are formed in the positions, relative to the left rotating shaft (3) and the right rotating shaft (4), of the separating piece (51), and the outer side wall of the elastic piece (62) is in sliding guide fit with the groove walls of the guide grooves (511).

6. The hinge structure of a foldable phone according to claim 4, wherein: the left rotating shaft (3), the right rotating shaft (4), the separating piece (51) and the rotating piece (5) are covered by a protective cover (9-A).

7. The hinge structure of a foldable phone according to claim 6, wherein: the protective cover (9-A) and the separator (51) are detachably connected and fixed, and the outer wall of the separator (51) and the inner wall of the protective cover (9-A) are clamped and fixed by an elastic clamping structure.

8. The hinge structure of a foldable phone according to claim 1, wherein: the base (6) comprises a main body structure (63) for forming a cam structure (8) and a bottom plate (64) for fixing the main body structure (63), the main body structure (63) is positioned and inserted into the upper cover (1) and the lower cover (2) of the corresponding mobile phone body, the cam structure (8) extends out of the upper cover (1) and the lower cover (2) of the mobile phone body, and the bottom plate (64) is connected with the upper cover (1) and the lower cover (2) of the mobile phone body in a locking mode and clamps the main body structure (63).

9. The hinge structure of a foldable phone according to claim 1, wherein: the elastic piece (62) is arranged as a spring, and the spring is coaxially sleeved on the corresponding rotating shaft body (61); the end part of the rotating shaft body (61) far away from the concave wheel structure (7) is provided with a limiting block (611), an annular clamping groove (612) is formed in the position, close to the limiting block (611), of the rotating shaft body (61), and a clamping spring (65) is installed in the annular clamping groove (612) in an elastic clamping mode.

10. A folding screen mobile phone having a hinge structure according to claim 8, comprising an upper cover (1) and a lower cover (2), wherein: the upper cover (1) and the lower cover (2) are connected with a rotating shaft structure; the mobile phone comprises a mobile phone body, wherein the upper cover (1) and the lower cover (2) of the mobile phone body are respectively provided with an installation groove (9-B), the main body structure (63) is positioned and inserted in the corresponding installation groove (9-B), and the bottom plate (64) is embedded and locked in the installation groove (9-B) and is matched with the mobile phone body to clamp and fix the main body structure (63).

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