CN216772299U - Damping rotating shaft, folding machine shell and keyboard - Google Patents

Abstract

The utility model discloses a damping rotating shaft, a folding casing and a keyboard, wherein the damping rotating shaft comprises: the axis and both ends are provided with limit pieces; the damping unit comprises a damping piece and a fixed mounting piece; the damping piece is arranged between the two limiting pieces and comprises a plurality of torsion pieces which are sleeved outside the axis and can rotate relative to the axis, and the fixed mounting piece is arranged at one end of the damping piece far away from the axis so as to limit the relative motion among the torsion pieces; and a plurality of torsion pieces in one damping piece and a plurality of torsion pieces in another damping piece set up at interval, and the damping pivot produces torsion based on the extrusion of two locating parts to two damping pieces to and the friction between two damping pieces. The damping rotating shaft can meet the requirement of volume portability while ensuring the hovering capacity of a product equipped with the damping rotating shaft by basic torsion.

Description

Damping rotating shaft, folding machine shell and keyboard

Technical Field

The utility model relates to the technical field of electronic equipment, in particular to a damping rotating shaft, a folding machine shell and a keyboard.

Background

The rotating shaft is also called as a pivot device or a rotating hinge, is a connecting element capable of providing relative rotation, and is widely applied to various digital products, electronic equipment and derivative products thereof at present, such as electronic equipment like a notebook computer, and the like, and the functions of opening and closing, rotating positioning and self-closing between a display screen part and a base body part of the notebook computer and the like are realized through the relative rotation function provided by the rotating shaft; for example, the supporting casing or the external keyboard of the mobile phone, the tablet personal computer, etc. can realize the opening and closing, rotational positioning and self-closing functions between the supporting plate and the base (or the keyboard body) through the relative rotation function provided by the rotating shaft.

With the pursuit of portability and portability of the products, higher requirements are put forward on each part in the electronic equipment and the derivative products thereof, and particularly the rotating shaft mechanism has higher requirements on the volume portability while ensuring that the rotating shaft mechanism has higher torsion to enable the corresponding product to have hovering capability.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the present invention is to solve the problem that the rotating shaft mechanism in the prior art cannot meet the requirement of volume portability while having a basic torque to ensure the hovering capability of the corresponding product, and to provide a damping rotating shaft, a folding housing and a keyboard.

To this end, according to a first aspect, the utility model provides a damped rotary shaft comprising:

the axis and both ends are provided with limit pieces;

the damping unit comprises a damping piece and a fixed mounting piece; the damping piece is arranged between the two limiting pieces and comprises a plurality of torsion pieces which are sleeved outside the axis and can rotate relative to the axis, and the fixed mounting piece is arranged at one end of the damping piece far away from the axis so as to limit the relative motion among the torsion pieces; and a plurality of torsion pieces in one damping piece and a plurality of torsion pieces in another damping piece set up at interval, and the damping pivot produces torsion based on the extrusion of two locating parts to two damping pieces to and the friction between two damping pieces.

Further, the fixed mounting member includes:

interconnect's first mounting panel and second mounting panel have the first holding tank that holds the one end that the axle center was kept away from to the torsion piece in the first mounting panel, and second mounting panel lid is located on the first holding tank.

Furthermore, one end, away from the axle center, of the torsion piece is provided with a fixing lug, the bottom of the first accommodating groove is provided with a first fixing groove, the second mounting plate is provided with a second fixing groove, and the fixing lug is clamped in the first fixing groove and the second fixing groove.

Furthermore, still be provided with on the first mounting panel with second mounting panel assorted second holding tank, during the second mounting panel embedding second holding tank, first mounting panel and second mounting panel are connected.

Further, the damping pivot still includes:

the torsion unit is sleeved outside the axle center and is arranged between the damping unit and the limiting piece; the torsion unit comprises a plurality of elastic sheets, and the torsion unit generates torsion based on the extrusion of the damping unit and the limiting part on the plurality of elastic sheets.

Furthermore, a locating part is connected with the axle center through a thread structure.

According to a second aspect, the present invention also provides a folding chassis for supporting a mobile terminal, comprising:

the base and the supporting plate are connected through a rotating hinge, and the supporting plate can rotate relative to the base;

the support plate includes: the damping rotating shaft comprises a first plate body and a second plate body, wherein the first plate body and the second plate body are respectively connected with two fixing installation pieces in the damping rotating shaft of the first aspect.

According to a third aspect, the present invention also provides a keyboard comprising:

the keyboard comprises a keyboard body and a supporting plate, wherein the keyboard body is connected with the supporting plate through a rotating hinge, and the supporting plate can rotate relative to the keyboard body;

the support plate includes: first plate body and second plate body, first plate body and second plate body are connected with two fixed mounting pieces in the damping pivot of above-mentioned first aspect respectively.

The technical scheme provided by the utility model has the following advantages:

1. the damping rotating shaft provided by the utility model is provided with two damping units, each damping unit comprises a damping part and a fixed mounting part, a plurality of torsion pieces in the damping part are sleeved outside the shaft center and can rotate around the shaft center, a plurality of torsion pieces in one damping unit (specifically in the damping part) and a plurality of torsion pieces in the other damping unit (specifically in the damping part) are arranged at intervals, and the fixed mounting part is arranged at one end of the damping part far away from the shaft center to limit the relative movement of the plurality of damping parts, so that when the limiting parts at two ends of the shaft center squeeze the two damping parts, the plurality of torsion pieces in one damping part and the plurality of torsion pieces in the other damping part can generate torsion through friction in the rotating process (based on the limitation of the fixed mounting part, the plurality of torsion pieces in one damping part rotate synchronously and generate torsion at the same time), and larger torsion can be generated in the damping rotating shaft, thereby enabling the product equipped with the damping rotating shaft to have better hovering capacity; meanwhile, the torsion pieces capable of generating torsion by friction are arranged in a plurality of ways, so that the size of a single torsion piece can be reduced, the size of the whole damping rotating shaft can be reduced, and the portability of the damping rotating shaft is improved.

2. According to the damping rotating shaft provided by the utility model, the fixing lug is arranged at one end of the torsion piece, which is far away from the axis, and the first fixing groove and the second fixing groove are respectively arranged at the bottom of the first accommodating groove and the second installing plate, so that the fixing lug can be clamped in the first fixing groove and the second fixing groove, the connection stability of the torsion piece and the fixing installing piece can be improved, and the stability of the damping rotating shaft can be improved.

3. According to the damping rotating shaft provided by the utility model, the second accommodating groove matched with the second mounting plate is formed in the first mounting plate, so that the first mounting plate and the second mounting plate can be connected by embedding the second mounting plate into the second accommodating groove, and the production and assembly efficiency of the damping rotating shaft is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 and fig. 2 are schematic structural diagrams of a keyboard according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a damping spindle according to an embodiment of the present invention;

FIG. 4 is an exploded view of a portion of the damping spindle of FIG. 3;

FIG. 5 is a detailed structural diagram of the first mounting plate in FIG. 4;

FIG. 6 is a cross-sectional view of the damping unit of FIG. 3;

description of reference numerals:

1-a keyboard body;

2-a support plate; 21-a first plate body; 22-a second plate body;

3-a rotating hinge;

4-damping rotating shaft;

41-axis center;

42-a stop;

43-a damping unit; 431-a damping member; 4311-torsion sheet; 4311 a-fixing lug; 432-a fixed mount; 4321-first mounting plate; 4321 a-first holding tank; 4321 b-first fixation groove; 4321 c-second holding tank; 4322-second mounting plate; 4322 a-second fixation groove;

44-torsion unit.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The embodiment of the utility model discloses a keyboard, as shown in fig. 1-6, comprising: the keyboard comprises a keyboard body 1 and a supporting plate 2, wherein the keyboard body 1 and the supporting plate 2 are connected through a rotating hinge 3, and the supporting plate 2 can rotate relative to the keyboard body 1 based on the rotating hinge 3; and the support plate 2 includes a first plate 21 and a second plate 22, and the first plate 21 and the second plate 22 are respectively connected to two fixing and mounting members 432 in the damping rotating shaft 4.

In the present application, the rotation hinge 3 may be any rotation hinge in the prior art, and is not limited herein.

In the present application, in order to improve the convenience of the keyboard, the rotating hinge 3 therein may be provided with a certain torsion, so that the supporting plate 2 has a certain hovering capability in the process of rotating relative to the keyboard body 1 (specifically, the first plate 21 therein). In addition, a limit structure may be further provided in the rotation hinge 3 to limit the maximum rotation angle of the first plate body 21 with respect to the support plate 2.

In this application, in order to further improve the convenience of the keyboard, the torsion generated in the rotation hinge 3 during the rotation process may be changed, specifically, the torsion generated in the rotation hinge 3 when the first plate 21 rotates by a small angle relative to the base is large (larger than the torsion of the damping rotating shaft 4), and the torsion generated in the rotation hinge 3 when the first plate rotates by a large angle is small (smaller than the torsion of the damping rotating shaft 4), so that the first plate 21 reaches the maximum rotation angle before the second plate 22 during the opening process of the supporting plate 2, and the second plate 22 reaches the closed state before the first plate 21 during the closing process of the supporting plate 2. Specifically, it may be provided that the rotation hinge 3 has a torsion spring therein, and the rotation hinge 3 generates a varying torsion force during rotation based on the torsion of the torsion spring; the rotary hinge 3 can be provided with a wrapping circle and a rotating shaft, the wrapping circle and the rotating shaft are arranged to produce different friction forces at different relative positions, and the rotary hinge 3 generates variable torque force in the rotating process based on the wrapping circle and the rotating shaft.

In the present application, in order to provide better stability in the keyboard, the maximum rotation angle of the rotation hinge 3 may be set to be less than 90 degrees, for example, 65 degrees, 70 degrees, 75 degrees, or the like.

The embodiment of the utility model also discloses a supporting casing, which is different from the keyboard only in that a base is connected with the supporting plate 2 through a rotating hinge 3.

Referring to the drawings, a damping spindle 4 according to an embodiment of the present invention is shown in fig. 3 to 6, and includes: a shaft center 41, two stoppers 42, and two damping units 43.

The two position-limiting members 42 are respectively disposed at two ends of the shaft 41. In the present application, to facilitate the assembly of the damping rotating shaft 4, especially the two damping units 43 in the damping rotating shaft 4, at least one of the two limiting members 42 is detachably mounted on the end portion of the shaft center 41, which is illustrated in fig. 4 by taking as an example that one of the limiting members 42 is detachably mounted on one end of the shaft center 41, and as shown in fig. 4, the limiting member 42 is connected with the shaft center 41 through a threaded structure.

Referring to fig. 3 and 4, the damping unit 43 includes a damping member 431 and a fixing member 432, wherein the damping member 431 is disposed between the two limiting members 42, the damping member 431 includes a plurality of torsion pieces 4311 sleeved outside the shaft 41 and rotatable relative to the shaft 41, and the fixing member 432 is disposed at an end of the damping member 431 away from the shaft 41 to limit relative movement between the plurality of torsion pieces 4311; and the plurality of torsion pieces 4311 in one damping member 431 are spaced apart from the plurality of torsion pieces 4311 in another damping member 431, and the damping rotating shaft 4 generates torsion based on the pressing of the two limiting members 42 to the two damping members 431 and the friction between the two damping members 431.

In this application, in order to facilitate disposing the fixing member 432 at the end portions of the plurality of torsion pieces 4311 in the damping member 431, as shown in fig. 4 to 6, the fixing member 432 may be disposed to include a first mounting plate 4321 and a second mounting plate 4322 connected to each other, the first mounting plate 4321 may have a first receiving groove 4321a therein for receiving an end of the torsion piece 4311 away from the shaft center 41, and the second mounting plate 4322 may be disposed on the first receiving groove 4321a in a covering manner.

In this application, in order to improve the connection stability between the torque plate 4311 and the fixing member 432, and thus improve the stability of the whole damping rotating shaft 4, as shown in fig. 4-6, a fixing protrusion 4311a may be disposed at one end of the torque plate 4311 away from the shaft center 41, and correspondingly, a first fixing groove 4321b may be disposed at the bottom of the first receiving groove 4321a, a second fixing groove 4322a may be disposed on the second mounting plate 4322, and the fixing protrusion 4311a may be clamped in the first fixing groove 4321b and the second fixing groove 4322 a. Specifically, it may be provided that the first fixing groove 4321b and the second fixing groove 4322a are both one groove, and the fixing protrusions 4311a of the plurality of torsion pieces 4311 in one damping member 431 are respectively engaged in the one groove; as shown in fig. 4 and fig. 5, the first fixing groove 4321b and the second fixing groove 4322a may be two grooves, the fixing protrusion 4311a of one torsion plate 4311 of one damping member 431 is engaged with one of the grooves, and the fixing protrusion 4311a of the other torsion plate 4311 is engaged with the other groove; of course, the first fixing groove 4321b and the second fixing groove 4322a may be three or more grooves, as long as the fixing protrusions 4311a of the torsion pieces 4311 in one damping member 431 can be correspondingly engaged with the grooves, which is not limited herein.

In this application, in order to further reduce the volume of the whole damping rotating shaft 4, as shown in fig. 5 and 6, the second receiving groove 4321c matched with the second mounting plate 4322 may be further disposed on the first mounting plate 4321, and at this time, when the second mounting plate 4322 is embedded into the second receiving groove 4321c, the first mounting plate 4321 and the second mounting plate 4322 are connected, so that the assembling efficiency of the first mounting plate 4321 and the second mounting plate 4322 may be further improved, that is, the assembling efficiency of the damping rotating shaft 4 in this application is also improved.

In the present application, in order to further increase the torsion of the entire damping rotating shaft 4, as shown in fig. 3 and fig. 4, the damping rotating shaft 4 may further include a torsion unit 44, and the torsion unit 44 is sleeved outside the shaft center 41 and is disposed between the damping unit 43 and the limiting member 42; the torsion unit 44 includes a plurality of elastic pieces, and the torsion unit 44 generates torsion based on the damping unit 43 and the limiting member 42 to press the plurality of elastic pieces.

The damping rotating shaft 4 provided by the utility model is provided with two damping units 43, each damping unit 43 comprises a damping member 431 and a fixed mounting part 432, the damping member 431 is provided with a plurality of torsion sheets 4311 which are sleeved outside a shaft center 41 and can rotate around the shaft center 41, the plurality of torsion sheets 4311 (in the damping member 431) in one damping unit 43 and the plurality of torsion sheets 4311 (in the damping member 431) in the other damping unit 43 are arranged at intervals, the fixed mounting part 432 is arranged at one end of the damping member 431 far away from the shaft center 41 to limit the relative movement of the plurality of damping members 431, so that when the limiting parts 42 at the two ends of the shaft center 41 press the two damping members 431, the torsion sheets 4311 in one damping member 431 and the plurality of torsion sheets 4311 in the other damping member 431 can generate torsion in a friction way in the rotating process (based on the limitation of the fixed mounting part 432, the plurality of torsion sheets 4311 in one damping member 431 rotate synchronously, simultaneously generates torsion), so that larger torsion can be generated in the damping rotating shaft 4, and a product equipped with the damping rotating shaft 4 has better hovering capability; meanwhile, a plurality of torsion pieces 4311 are provided to generate torsion by friction, so that the size of the single torsion piece 4311 can be reduced, the size of the whole damping rotating shaft 4 can be reduced, and the portability of the damping rotating shaft can be improved.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the utility model.

Claims (8)

1. A damped rotary shaft, comprising:

the axis and both ends are provided with limit pieces;

two damping units, the damping units comprising damping members and fixed mounting members; the damping piece is arranged between the two limiting pieces and comprises a plurality of torsion pieces which are sleeved outside the axis and can rotate relative to the axis, and the fixed mounting piece is arranged at one end of the damping piece, which is far away from the axis, so as to limit the relative motion between the torsion pieces; and one a plurality of torsion pieces in the damping piece and another a plurality of torsion pieces interval in the damping piece sets up, the damping pivot is based on two the locating part is to two the extrusion of damping piece, and two friction between the damping piece produces torsion.

2. The damped rotary shaft of claim 1 wherein the fixed mount comprises:

interconnect's first mounting panel and second mounting panel, have in the first mounting panel and hold the torque piece is kept away from the first holding tank of the one end in axle center, second mounting panel lid is located on the first holding tank.

3. The damping rotating shaft according to claim 2, wherein a fixing protrusion is disposed at an end of the torsion piece away from the shaft center, a first fixing groove is disposed at a bottom of the first accommodating groove, a second fixing groove is disposed on the second mounting plate, and the fixing protrusion is engaged with the first fixing groove and the second fixing groove.

4. The damping rotating shaft according to claim 2 or 3, wherein a second accommodating groove matched with the second mounting plate is further formed in the first mounting plate, and when the second mounting plate is embedded in the second accommodating groove, the first mounting plate and the second mounting plate are connected.

5. The damped rotor shaft of claim 4 further comprising:

the torsion unit is sleeved outside the axle center and is arranged between the damping unit and the limiting piece; the torsion unit comprises a plurality of elastic sheets and generates torsion based on the extrusion of the damping unit and the limiting piece on the plurality of elastic sheets.

6. The damped rotor shaft according to claim 5, wherein one of the limiting members is connected to the shaft core by a threaded structure.

7. A folding chassis for supporting a mobile terminal, comprising:

the base and the supporting plate are connected through a rotating hinge, and the supporting plate can rotate relative to the base;

the support plate includes: a first plate and a second plate, wherein the first plate and the second plate are respectively connected with two fixing and installing parts in the damping rotating shaft according to any one of claims 1 to 6.

8. A keyboard, comprising:

the keyboard comprises a keyboard body and a supporting plate, wherein the keyboard body is connected with the supporting plate through a rotating hinge, and the supporting plate can rotate relative to the keyboard body;

the support plate includes: a first plate and a second plate, wherein the first plate and the second plate are respectively connected with two fixing and installing parts in the damping rotating shaft according to any one of claims 1 to 6.

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