CN216044968U

CN216044968U - Rotating assembly and mobile terminal

Info

Publication number: CN216044968U
Application number: CN202122311808.XU
Authority: CN
Inventors: 龚雄兵; 姜秋月; 王振秋; 王强
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-03-15
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a rotating assembly and a mobile terminal, wherein the rotating assembly comprises a fixed seat, a sleeve and a rotating shaft, the fixed seat is provided with an installation part, one end of the sleeve is connected with the installation part, the sleeve is provided with a spiral hole, the spiral hole extends along the length direction of the sleeve, the spiral hole penetrates through the wall surface of the sleeve so that the sleeve can extend and contract in the length direction of the sleeve, the rotating shaft penetrates through the sleeve, and the rotating shaft can rotate relative to the fixed seat to drive the sleeve to extend and contract in the length direction of the sleeve. The rotating assembly can reduce the occupied space of the rotating shaft, is beneficial to thinning the mobile terminal, can form the effect of light opening and closing of the computer cover plate, and improves the user experience quality.

Description

Rotating assembly and mobile terminal

Technical Field

The utility model relates to the technical field of mobile terminal accessories, in particular to a rotating assembly and a mobile terminal.

Background

An opening/closing electronic product such as a mobile terminal generally includes a cover and a main body connected by a hinge, so that the cover can be opened and closed relative to the main body. However, the rotating shaft in the related art is opened with a constant force and closed with a constant force, and thus the use requirement is difficult to meet.

SUMMERY OF THE UTILITY MODEL

The present invention is based on the discovery and recognition by the inventors of the following facts and problems:

the related art discloses a coated rotating shaft, which consists of a spline shaft, a bearing frame, a coated elastic sheet and a bearing frame limiting sheet, wherein the torque of the coated rotating shaft in the related art is determined by the interference amount of the coated elastic sheet and the spline shaft and the number of the coated elastic sheets, when the interference amount of the coated elastic sheet and the spline shaft and the number of the coated elastic sheets are determined, the torque of the rotating shaft is constant when the rotating shaft is opened and closed, the use requirements of different crowds under different conditions are difficult to meet, the cover body of the rotating shaft which is opened by constant force and closed by constant force is slow in opening speed, and the stability when the rotating shaft is closed is relatively poor.

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the embodiment of the utility model provides a rotating assembly, which can reduce the occupied space of a rotating shaft, is beneficial to thinning and lightening of a mobile terminal, can also form the effect of light opening and closing of a computer cover plate, and improves the user experience quality.

The embodiment of the utility model also provides the mobile terminal.

A rotating assembly according to an embodiment of the present invention includes: the fixing seat is provided with an installation part; one end of the sleeve is connected with the mounting part, a spiral hole is formed in the sleeve, the spiral hole extends along the length direction of the sleeve, and the spiral hole penetrates through the wall surface of the sleeve so that the sleeve can be stretched and contracted in the length direction of the sleeve; the rotating shaft penetrates through the sleeve, and the rotating shaft is rotatable relative to the fixing seat to drive the sleeve to extend and contract in the length direction of the sleeve.

According to the rotating assembly provided by the embodiment of the utility model, the occupied space of the rotating shaft can be reduced, the light and thin mobile terminal is facilitated, the effect of light opening and closing of the computer cover plate can be achieved, and the user experience quality is improved.

In some embodiments, be equipped with a plurality of first mounting grooves on the installation department, first mounting groove is followed telescopic length direction extends, and is a plurality of first mounting groove is in telescopic interval arrangement in circumference, the sleeve is close to the one end of installation department is equipped with a plurality of first installation arch, first installation arch is followed telescopic length direction extends, and is a plurality of first installation arch is in telescopic interval arrangement in circumference, first installation arch with first mounting groove cooperatees will the sleeve with the installation department links to each other, and is a plurality of first installation arch and a plurality of first mounting groove one-to-one.

In some embodiments, a dimension of the first mounting groove in the sleeve circumferential direction is larger than a dimension of the first mounting projection in the sleeve circumferential direction.

In some embodiments, the rotating assembly further includes a limiting seat, one end of the limiting seat is connected to the fixing seat, the other end of the limiting seat is connected to the sleeve, the limiting seat and the fixing seat are spaced in the length direction of the sleeve, the rotating shaft is inserted into the limiting seat, and the rotating shaft is rotatable relative to the limiting seat.

In some embodiments, a limiting groove is formed in the limiting seat, the limiting groove penetrates through the limiting seat along the length direction of the sleeve, a limiting block is arranged at one end, away from the mounting portion, of the fixing seat, and the limiting block is arranged in the limiting groove.

In some embodiments, a plurality of second mounting grooves are formed in the limiting seat, the second mounting grooves extend along the length direction of the sleeve, the second mounting grooves are arranged in the circumferential direction of the sleeve at intervals, a plurality of second mounting protrusions are arranged at one end, away from the fixing seat, of the sleeve, the second mounting protrusions extend along the length direction of the sleeve, the second mounting protrusions are arranged in the circumferential direction of the sleeve at intervals, the second mounting protrusions are matched with the second mounting grooves, the sleeve is connected with the limiting seat, and the second mounting protrusions are in one-to-one correspondence with the second mounting grooves.

In some embodiments, a dimension of the second mounting groove in a length direction of the sleeve is larger than a dimension of the second mounting protrusion in the length direction of the sleeve.

In some embodiments, a first connecting portion is disposed at an end of the rotating shaft away from the mounting portion, the first connecting portion is disposed outside the sleeve, and the first connecting portion is adapted to be connected to a cover plate of the mobile terminal.

In some embodiments, the fixing base is provided with a second connecting portion, and the second connecting portion is adapted to be connected to a main body of the mobile terminal.

The mobile terminal according to the present invention comprises: a main body; the cover plate is pivoted with the main body; the rotating shaft assembly is arranged between the main body and the cover plate and is the rotating assembly in any one of the embodiments.

According to the mobile terminal provided by the embodiment of the utility model, the occupied space of the rotating shaft can be reduced, the mobile terminal is light and thin, the effect of light opening and closing of the computer cover plate can be formed, and the user experience quality is improved.

Drawings

Fig. 1 is a schematic structural view of a rotating assembly according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a fixing seat in a rotating assembly according to an embodiment of the present invention.

Fig. 3 is a schematic view of a sleeve structure in a rotating assembly according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a limiting seat in a rotating assembly according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a rotating shaft in the rotating assembly according to the embodiment of the utility model.

Reference numerals:

a fixed seat 1, a mounting part 11, a right end surface 1101 of the mounting part 11, a left end surface 1102 of the mounting part 11, a first mounting groove 111, a first side surface 1111 of the first mounting groove 111, a second side surface 1112 of the first mounting groove 111, a bottom surface 1113 of the first mounting groove 111, a limiting block 12, a second connecting part 13,

the sleeve 2, the left end surface 201 of the sleeve 2, the spiral hole 21, the first mounting protrusion 22, the first end surface 221 of the first mounting protrusion 22, the second end surface 222 of the first mounting protrusion 22, the left end surface 223 of the first mounting protrusion 22, the second mounting protrusion 23,

the rotation shaft 3, the first connection portion 31,

the limiting seat 4, the limiting groove 41 and the second mounting groove 42.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

As shown in fig. 1 to 5, a rotating assembly according to an embodiment of the present invention includes a fixed base 1, a sleeve 2, and a rotating shaft 3.

The fixing seat 1 is provided with a mounting part 11.

Specifically, as shown in fig. 1, the upper end surface of the fixing base 1 is provided with a mounting portion 11.

One end of the sleeve 2 is connected to the mounting portion 11, and the sleeve 2 is provided with a spiral hole 21, the spiral hole 21 extending in a length direction (left-right direction as viewed in fig. 1) of the sleeve 2, and the spiral hole 21 penetrating a wall surface of the sleeve 2 so that the sleeve 2 can be extended and contracted in the length direction of the sleeve.

Specifically, as shown in fig. 1 and 3, the left end of the sleeve 2 is fixedly connected to the mounting portion 11, for example, the left end of the sleeve 2 may be connected to the mounting portion 11 by welding. The screw hole 21 extends in the left-right direction, the screw hole 21 penetrates the wall of the sleeve 2, and the screw hole 21 divides one sleeve 2 into a plurality of telescopic sections which are sequentially connected in the left-right direction.

The rotating shaft 3 penetrates through the sleeve 2, and the rotating shaft 3 can rotate relative to the fixing seat 1 to drive the sleeve 2 to extend and contract in the length direction of the sleeve.

Specifically, as shown in fig. 1, the left end of the rotary shaft 3 extends into the sleeve 2, and the rotary shaft 3 is arranged coaxially with the sleeve 2. It should be noted that, the rotating shaft 3 and the sleeve 2 are in interference fit, that is, the rotating shaft 3 can drive the sleeve 2 to rotate.

According to the rotating assembly of the embodiment of the utility model, the number of parts of the rotating shaft assembly is reduced, so that the occupied space of the rotating shaft 3 is reduced, the light and thin of the mobile terminal are facilitated, the interference amount between the sleeve 2 and the rotating shaft 3 is adjusted through the expansion and contraction of the sleeve 2 in the left-right direction, namely, when the rotation direction of the rotating shaft 3 is the same as the rotation direction of the spiral hole 21, the sleeve 2 contracts, the inner diameter of the sleeve 2 is expanded, the fit between the sleeve 2 and the rotating shaft 3 is loosened, the interference amount between the sleeve 2 and the rotating shaft 3 is reduced, the positive pressure between the sleeve 2 and the rotating shaft 3 is reduced, the friction force between the rotating shaft 3 and the sleeve 2 is reduced, on the contrary, when the rotation direction of the rotating shaft 3 is opposite to the rotation direction of the spiral hole 21, the sleeve 2 extends, the inner diameter of the sleeve 2 is reduced, the fit between the sleeve 2 and the rotating shaft 3 is tightened, so that the interference amount between the sleeve 2 and the rotating shaft 3 is increased, then the positive pressure grow between sleeve 2 and the pivot 3, and then the frictional force increase between pivot 3 and the sleeve 2 to can form the effect that the computer cover board opened and shut lightly, improve user experience quality.

In some embodiments, the mounting portion 11 is provided with a plurality of first mounting grooves 111, the first mounting grooves 111 extend along the length direction of the sleeve 2, the plurality of first mounting grooves 111 are arranged at intervals in the circumferential direction of the sleeve 2, one end of the sleeve 2 adjacent to the mounting portion 11 is provided with a plurality of first mounting protrusions 22, the first mounting protrusions 22 extend along the length direction of the sleeve 2, the plurality of first mounting protrusions 22 are arranged at intervals in the circumferential direction of the sleeve 2, the first mounting protrusions 22 are matched with the first mounting grooves 111 to connect the sleeve 2 with the mounting portion 11, and the plurality of first mounting protrusions 22 are in one-to-one correspondence with the plurality of first mounting grooves 111.

Specifically, as shown in fig. 1 to 3, the first mounting groove 111 extends from a right end surface 1101 of the mounting portion 11 to a left end surface 1102, and the left end surface 201 of the sleeve 2 is provided with a plurality of first mounting projections 22, the first mounting projections 22 being provided in the first mounting groove 111.

According to the rotating assembly provided by the embodiment of the utility model, the plurality of first mounting grooves 111 and the plurality of first mounting bulges 22 are arranged, so that the connecting strength between the left end of the sleeve 2 and the mounting part 11 can be improved, the assembly of the sleeve 2 and the mounting part 11 is facilitated, the assembly efficiency of the sleeve 2 and the mounting part 11 is improved, and abnormal sound and movement interference of the rotating shaft assembly in the use process caused by dislocation of the connection between the sleeve 2 and the mounting part 11 can be avoided.

In some embodiments, the size of the plurality of first mounting grooves 111 in the sleeve circumferential direction is larger than the size of the first mounting projections 22 in the sleeve circumferential direction.

Specifically, as shown in fig. 1 to 3, the left end surface 223 of the first mounting protrusion 22 is fixed to the bottom surface 1113 of the first mounting groove 111 by welding, a gap exists between the right end surface 1101 of the mounting portion 11 and the left end surface 201 of the sleeve 2 in the left-right direction,

the first mounting protrusion 22 is oppositely arranged with a first end surface 221 and a second end surface 222 in the circumferential direction of the sleeve 2, the first mounting groove 111 is oppositely arranged with a first side surface 1111 and a second side surface 1112 in the circumferential direction of the sleeve 2, the first end surface 221 of the first mounting protrusion 22 has a gap with the first side surface 1111 of the first mounting groove 111 in the circumferential direction of the sleeve 2, and the second end surface 222 of the first mounting protrusion 22 has a gap with the second side surface 1112 of the first mounting groove 111 in the circumferential direction of the sleeve 2.

In the rotating assembly of the embodiment of the present invention, there is a gap between the first end surface 221 of the first mounting protrusion 22 and the first side surface 1111 of the first mounting groove 111, and there is a gap between the second end surface 222 of the first mounting protrusion 22 and the second side surface 1112 of the first mounting groove 111, so that the first mounting protrusion 22 and the first mounting groove 111 can be conveniently assembled, the assembly efficiency of the rotating assembly is improved, a circumferential rotating space can be provided for the sleeve 2 when the sleeve 2 rotates, a gap exists between the right end surface of the mounting portion 11 and the left end surface of the sleeve 2 in the left-right direction, and a compression space in the left-right direction can be provided for the sleeve 2 when the sleeve 2 rotates.

In some embodiments, the size of the first mounting groove 111 in the length direction of the sleeve 2 is the same as or different from the size of the first mounting protrusion 22 in the length direction of the sleeve 2.

Specifically, as shown in fig. 1, a gap exists between the left end (the left end surface 223 shown in fig. 3) of the first mounting protrusion 22 and the bottom (the bottom surface 1113 shown in fig. 2) of the first mounting groove 111, and the left end of the first mounting protrusion 22 is fixed to the bottom of the first mounting groove 111 by welding or the like.

In some embodiments, the rotating assembly further includes a limiting seat 4, one end of the limiting seat 4 is connected to the fixing seat 1, the other end of the limiting seat 4 is connected to the sleeve 2, the limiting seat 4 and the fixing seat are spaced apart from each other in the length direction of the sleeve 2, the rotating shaft 3 is disposed in the limiting seat 4, and the rotating shaft 3 is rotatable relative to the limiting seat 4.

Specifically, as shown in fig. 1 and 4, the limiting seat 4 is disposed at the right end of the fixing seat 1, the limiting seat 4 and the fixing seat are arranged at an interval in the left-right direction, the rotating shaft 3 passes through the limiting seat 4, and the rotating shaft 3 is rotatable in the limiting seat 4.

According to the rotating assembly provided by the embodiment of the utility model, the positioning of the fixed seat 1 can be realized through the limiting seat 4, the assembly precision between the rotating shaft 3 and the fixed seat 1 is improved, and the use stability of the rotating shaft assembly is improved.

In some embodiments, a limiting groove 41 is formed in the limiting seat 4, the limiting groove 41 penetrates through the limiting seat 4 along the length direction of the sleeve 2, a limiting block 12 is arranged at one end of the fixing seat 1, which is far away from the mounting portion 11, and the limiting block 12 is arranged in the limiting groove 41.

Specifically, as shown in fig. 4, the lower end of the limiting seat 4 is provided with a limiting groove 41, the limiting groove 41 penetrates through the limiting seat 4 along the left-right direction, the right end of the fixing seat 1 is provided with a limiting block 12, and the limiting block 12 is arranged in the limiting groove 41.

According to the rotating assembly provided by the embodiment of the utility model, the positioning of the fixed seat 1 and the limiting seat 4 is realized by arranging the limiting groove 41 and the limiting block 12, so that the assembly precision between the fixed seat 1 and the limiting seat 4 is improved.

In some embodiments, the limiting seat 4 is provided with a plurality of second mounting grooves 42, the second mounting grooves 42 extend along the length direction of the sleeve 2, the plurality of second mounting grooves 42 are arranged at intervals in the circumferential direction of the sleeve 2, one end of the sleeve 2 away from the fixing seat is provided with a plurality of second mounting protrusions 23, the second mounting protrusions 23 extend along the length direction of the sleeve 2, the plurality of second mounting protrusions 23 are arranged at intervals in the circumferential direction of the sleeve 2, the second mounting protrusions 23 are matched with the second mounting grooves 42 to connect the sleeve 2 with the limiting seat 4, and the plurality of second mounting protrusions 23 are in one-to-one correspondence with the plurality of second mounting grooves 42.

Specifically, as shown in fig. 4, the second mounting groove 42 is located above the limiting groove 41, the second mounting groove 42 extends along the left end surface to the right end surface of the limiting seat 4, the right end surface of the sleeve 2 is provided with a plurality of second mounting protrusions 23, and the second mounting protrusions 23 are arranged in the second mounting groove 42.

According to the rotating assembly provided by the embodiment of the utility model, the plurality of second mounting grooves 42 and the plurality of second mounting protrusions 23 are arranged, so that the connecting strength between the right end of the sleeve 2 and the limiting seat 4 can be improved, the assembly of the sleeve 2 and the limiting seat 4 is facilitated, the assembly efficiency of the sleeve 2 and the limiting seat 4 is improved, and abnormal sound and movement interference of the rotating shaft assembly in the use process due to dislocation of the connection between the sleeve 2 and the limiting seat 4 can be avoided.

In some embodiments, the dimension of the second mounting groove 42 in the length direction of the sleeve 2 is greater than the dimension of the second mounting protrusion 23 in the length direction of the sleeve 2.

Specifically, as shown in fig. 4, the dimension of the second mounting groove 42 in the left-right direction is larger than the dimension of the second mounting protrusion 23 in the left-right direction, so that the sleeve 2 can extend and contract between the stopper seat 4 and the mounting portion 11, and the second mounting groove 42 and the second mounting protrusion 23 can also provide guidance for extension and contraction of the sleeve 2, thereby improving the stability of the rotating assembly in use.

In some embodiments, a first connecting portion 31 is disposed at an end of the rotating shaft 3 away from the mounting portion 11, the first connecting portion 31 is disposed outside the sleeve 2, the first connecting portion 31 is adapted to be connected to a cover plate of the mobile terminal, a second connecting portion 13 is disposed on the fixing base 1, and the second connecting portion 13 is adapted to be connected to a main body of the mobile terminal.

Specifically, as shown in fig. 1 and 5, the right end of the rotating shaft 3 is provided with a first connecting portion 31, the first connecting portion 31 is substantially rectangular, the first connecting portion 31 is provided with a mounting hole, a bolt passes through the mounting hole to connect the first connecting portion 31 with the computer cover plate, the fixing base 1 is provided with a second connecting portion 13, the second connecting portion 13 and the mounting portion 11 are arranged in an up-down direction, the second connecting portion 13 is also provided with a mounting hole, and the bolt passes through the mounting hole to connect the second connecting portion 13 with the computer main body.

According to the rotating assembly provided by the embodiment of the utility model, the rotating shaft 3 is stably connected with the computer cover plate by arranging the first connecting part 31 and the second connecting part 13, so that the fixed seat 1 is stably connected with the computer main body, and the overturning stability of the computer cover plate is ensured.

The operation of the rotating assembly of one embodiment of the present invention will be described with reference to fig. 1 to 5.

Before installing the runner assembly to computer apron and computer main part, at first assemble the runner assembly, establish spacing seat 4 cover on pivot 3 earlier, make pivot 3 pass spacing seat 4, then stretch into sleeve 2 with the left end of pivot 3 in, and link to each other spacing seat 4 and the right-hand member of sleeve 2, insert stopper 12 in spacing groove 41 afterwards, and link to each other the left end of sleeve 2 with the mount pad, weld the left end of sleeve 2 and fixing base after that, weld spacing seat 4 and fixing base 1, thereby form a whole with the runner assembly formation.

The first connecting portion 31 is connected with the mobile terminal cover plate, the second connecting portion 13 is connected with the mobile terminal main body, when the mobile terminal cover plate is opened, the cover plate drives the rotating shaft 3 to rotate, it should be noted that, when the cover plate is opened, the rotating direction of the rotating shaft 3 is the same as the rotating direction of the thread groove, when the rotating shaft 3 rotates, because the left end of the sleeve 2 is fixed, the rotating shaft 3 rotates to drive the sleeve 2 to contract, the inner diameter of the sleeve 2 is enlarged, the matching between the sleeve 2 and the rotating shaft 3 is loosened, thereby the interference between the sleeve 2 and the rotating shaft 3 is reduced, the positive pressure between the sleeve 2 and the rotating shaft 3 is reduced, and the friction between the rotating shaft 3 and the sleeve 2 is reduced, otherwise, when the mobile terminal cover plate is closed, the rotating direction of the rotating shaft 3 is opposite to the rotating direction of the spiral hole 21, at the moment, the sleeve 2 is extended, the inner diameter of the sleeve 2 is reduced, the matching between the sleeve 2 and the rotating shaft 3 is tightened, the positive pressure between the sleeve 2 and the rotating shaft 3 is increased, so that the interference between the sleeve 2 and the rotating shaft 3 is increased, the friction between the rotating shaft 3 and the sleeve 2 is increased, namely, the force required by opening the mobile terminal is smaller than the force required by closing the notebook cover plate, and the notebook cover plate computer cover plate can be opened and closed lightly.

A mobile terminal according to the present invention includes a main body, a cover plate, and a hinge assembly.

The cover plate (not shown) is pivotally connected to the main body (not shown), and the rotating shaft assembly is disposed between the main body and the cover plate, and is a rotating assembly according to any one of the embodiments described above.

According to the mobile terminal provided by the embodiment of the utility model, due to the adoption of the rotating assembly in the embodiment, the occupied space of the rotating shaft 3 can be reduced, the mobile terminal is light and thin, the effect of light opening and closing of the computer cover plate can be achieved, and the user experience quality is improved.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A rotating assembly, comprising:

the fixing seat is provided with an installation part;

one end of the sleeve is connected with the mounting part, a spiral hole is formed in the sleeve, the spiral hole extends spirally along the length direction of the sleeve, and the spiral hole penetrates through the wall surface of the sleeve so that the sleeve can extend and contract in the length direction of the sleeve;

the rotating shaft penetrates through the sleeve, and the rotating shaft is rotatable relative to the fixing seat to drive the sleeve to extend and contract in the length direction of the sleeve.

2. The rotating assembly according to claim 1, wherein the mounting portion is provided with a plurality of first mounting grooves, the first mounting grooves extend along the length direction of the sleeve, the first mounting grooves are arranged at intervals in the circumferential direction of the sleeve, one end of the sleeve, which is adjacent to the mounting portion, is provided with a plurality of first mounting protrusions, the first mounting protrusions extend along the length direction of the sleeve, the first mounting protrusions are arranged at intervals in the circumferential direction of the sleeve, the first mounting protrusions are matched with the first mounting grooves to connect the sleeve with the mounting portion, and the first mounting protrusions are in one-to-one correspondence with the first mounting grooves.

3. The rotating assembly according to claim 2, wherein the first mounting groove has a larger dimension in the circumferential direction of the sleeve than the first mounting projection.

4. The rotating assembly according to claim 1, further comprising a limiting seat, wherein one end of the limiting seat is connected to the fixing seat, the other end of the limiting seat is connected to the sleeve, the limiting seat and the fixing seat are spaced in the length direction of the sleeve, the rotating shaft penetrates through the limiting seat, and the rotating shaft is rotatable relative to the limiting seat.

5. The rotating assembly according to claim 4, wherein a limiting groove is formed in the limiting seat, the limiting groove penetrates through the limiting seat along the length direction of the sleeve, a limiting block is arranged at one end of the fixing seat, which is far away from the mounting portion, and the limiting block is arranged in the limiting groove.

6. The rotating assembly according to claim 4, wherein a plurality of second mounting grooves are formed in the limiting seat, the second mounting grooves extend along the length direction of the sleeve, the second mounting grooves are circumferentially spaced from the sleeve, a plurality of second mounting protrusions are formed in one end, away from the fixing seat, of the sleeve, the second mounting protrusions extend along the length direction of the sleeve, the second mounting protrusions are circumferentially spaced from the sleeve, the second mounting protrusions and the second mounting grooves are matched to connect the sleeve and the limiting seat, and the second mounting protrusions and the second mounting grooves are in one-to-one correspondence.

7. The rotating assembly according to claim 6, wherein the second mounting groove has a dimension in the sleeve length direction larger than a dimension of the second mounting projection in the sleeve length direction.

8. The rotating assembly according to any one of claims 1 to 7, wherein a first connecting portion is disposed at an end of the rotating shaft away from the mounting portion, the first connecting portion is disposed outside the sleeve, and the first connecting portion is adapted to be connected to a cover plate of a mobile terminal.

9. The rotating assembly according to any one of claims 1 to 7, wherein the fixed base is provided with a second connecting portion, and the second connecting portion is adapted to be connected to a main body of a mobile terminal.

10. A mobile terminal, comprising:

a main body;

the cover plate is pivoted with the main body;

a rotary shaft assembly provided between the main body and the cover plate, the rotary shaft assembly being as claimed in any one of claims 1 to 9.