CN217847081U

CN217847081U - Bidirectional rotating device of keyboard

Info

Publication number: CN217847081U
Application number: CN202222123248.XU
Authority: CN
Inventors: 刘付冰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2022-11-18
Anticipated expiration: 2032-08-12

Abstract

The utility model discloses a bidirectional rotating device of a keyboard, which comprises an underframe, a supporting shaft arranged on the underframe, a vertical rotating piece which is sleeved on the supporting shaft and can rotate around the central axis of the supporting shaft, a vertical positioning device which is arranged on the supporting shaft and used for positioning the vertical rotating piece, a first transverse rotating rod, a second transverse rotating rod and a connecting frame; the first transverse rotating rod is rotatably arranged at one end of the vertical rotating member; the second transverse rotating rod is rotatably arranged at the other end of the vertical rotating piece; the first rotation axis is perpendicular to the central axis of the support shaft; the first transverse rotating rod and the second transverse rotating rod respectively comprise an insertion section which is rotatably inserted on the vertical rotating piece and a connecting section which is arranged on the insertion section. The utility model discloses make the link both can rotate around the central axis of back shaft and can rotate around first rotation axis again, still can improve link pivoted stationarity.

Description

Bidirectional rotating device of keyboard

Technical Field

The utility model relates to a two-way rotary device of keyboard.

Background

The existing keyboard usually adopts a unidirectional rotating device, so that a connecting frame of the unidirectional rotating device rotates around a rotating axis to realize the opening and closing of a supporting frame connected to the connecting frame. Since the supporting bracket is usually used for connecting a tablet computer, a display screen or the like, the connecting bracket of the unidirectional rotation device can only rotate around the rotation axis, but cannot rotate around an axis perpendicular to the rotation axis, so that the connecting bracket cannot rotate in the vertical direction to adjust the angle of the screen in the vertical direction, and the flexibility of use of the supporting bracket is limited. In order to solve the above problems, although some enterprises have recently introduced bidirectional rotation devices that allow the connection frame to perform the above bidirectional rotation, the connection frame is prone to unstable rotation.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a bidirectional rotating device of a keyboard, which enables a connecting frame to rotate around the central axis of a supporting shaft and rotate around a first rotating axis, thereby enabling the connecting frame to rotate in two directions and improving the stability of the connecting frame.

The purpose of the utility model is realized by adopting the following technical scheme:

a bidirectional rotating device of a keyboard comprises an underframe, a supporting shaft arranged on the underframe, a vertical rotating piece sleeved on the supporting shaft and capable of rotating around the central axis of the supporting shaft, a vertical positioning device arranged on the supporting shaft and used for positioning the vertical rotating piece, a first transverse rotating rod, a second transverse rotating rod and a connecting frame; the supporting shaft is positioned between the first transverse rotating rod and the second transverse rotating rod; the first transverse rotating rod is rotatably arranged at one end of the vertical rotating member and can rotate around a first rotating axis relative to the vertical rotating member; the second transverse rotating rod is rotatably arranged at the other end of the vertical rotating piece and can rotate around a first rotating axis relative to the vertical rotating piece; the first rotation axis is perpendicular to the central axis of the support shaft; the first transverse rotating rod and the second transverse rotating rod respectively comprise an insertion section which is rotatably inserted on the vertical rotating piece and a connecting section which is arranged on the insertion section; the connecting frame is fixedly connected with the connecting section of the first transverse rotating rod and the connecting section of the second transverse rotating rod respectively.

The connecting section is provided with a plurality of connecting holes which are sequentially arranged along the direction of the first rotating axis, and each connecting hole is connected with the connecting frame through a connecting piece; the first rotation axis is a central axis of the first transverse rotation rod.

The vertical positioning device comprises a movable piece; the supporting shaft is provided with a mounting cavity; the movable piece is movably arranged in the mounting cavity; the supporting shaft is also provided with an opening which is communicated with the mounting cavity and is used for the movable piece to extend out; the vertical rotating part is provided with an insertion hole, the supporting shaft is inserted into the insertion hole, and a spring is further installed in the installation cavity; the spring is propped against the moving piece and is used for providing elastic force for promoting the moving piece to move towards the vertical rotating piece; the hole wall of the insertion hole is provided with a plurality of insertion grooves which are circumferentially arranged around the central axis of the supporting shaft and used for the movable piece to be inserted; the wall surface of the wall of the insertion hole between any two adjacent embedded grooves forms an abutting surface for the movable piece to abut against.

The plurality of embedded grooves are circumferentially arranged at equal angles around the central axis of the support shaft.

The number of the embedded grooves is set to be even; two moving parts are movably arranged in the mounting cavity; the spring is propped between the two movable pieces; the supporting shaft is provided with two openings which correspond to the two moving parts one by one respectively and are used for the corresponding moving parts to extend out; one opening is communicated with one end of the installation cavity, and the other opening is communicated with the other end of the installation cavity.

The mounting cavity extends along the radial direction of the supporting shaft; and guide arc surfaces or guide inclined surfaces are arranged on two sides of the embedded groove.

The supporting shaft is provided with a first limiting part and a second limiting part; the first limiting part and the second limiting part are arranged along the axial direction of the supporting shaft; the vertical rotating piece comprises a sleeving part sleeved on the supporting shaft, and the sleeving part is limited between the first limiting part and the second limiting part; the first limiting part comprises a first gasket and a first nut, wherein the first gasket is abutted against the sleeving part and sleeved on the supporting shaft, and the first nut is in threaded connection with the supporting shaft; a plurality of first elastic washers which are respectively sleeved on the supporting shaft are arranged between the first washer and the first nut.

The two ends of the vertical rotating piece are respectively provided with an inserting plate, each inserting plate is provided with a through hole, the inserting section of the first transverse rotating rod is rotatably inserted into the through hole of one inserting plate, and the inserting section of the second transverse rotating rod is rotatably inserted into the through hole of the other inserting plate; each insertion section is provided with a third limiting part and a fourth limiting part; the third limiting part and the fourth limiting part are arranged on the insertion section along the axial direction of the insertion section; the inserting plate is limited between the third limiting part and the fourth limiting part of the corresponding inserting section; the third limiting part comprises a second gasket abutted to the corresponding insertion plate and sleeved on the insertion section, a second nut in threaded connection with the insertion section, and a plurality of second elastic gaskets positioned between the second gasket and the second nut and respectively sleeved on the insertion section.

The vertical rotating part comprises a rotating seat sleeved on the supporting shaft and an outer cover fixedly connected with the rotating seat and provided with a cavity; the rotating seat is positioned in the cavity of the outer cover, the inserting plates are formed on the rotating seat, and each inserting section extends into the cavity of the outer cover.

An inner sleeve is arranged in the cavity of the outer cover and is fixedly connected with the rotating seat through the inner sleeve.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a two-way rotary device of keyboard, it is through adopting the combination design of chassis, back shaft, vertical rotating member, vertical positioner, first horizontal rotary rod, second horizontal rotary rod and link, and through with link respectively with the linkage segment of first horizontal rotary rod, the linkage segment fixed connection of second horizontal rotary rod, make the link not only can rotate around the central axis of back shaft but also can rotate around first rotation axis, thereby make the link can two-way rotation while, still can improve the link pivoted stationarity; moreover, the first transverse rotating rod, the second transverse rotating rod and the vertical rotating piece are reasonably arranged to be matched, so that the rotating seat can be protected, the space can be fully utilized, and the size is reduced.

Drawings

Fig. 1 is a schematic structural view of the present invention, wherein the connecting frame and the outer cover are in a separated state;

FIG. 2 is an exploded view of the present invention, with the connecting frame omitted;

fig. 3 is a transverse cross-sectional view of the present invention;

fig. 4 is a longitudinal sectional view of the present invention;

FIG. 5 is an exploded view of the vertical positioning device;

FIG. 6 is a top view of the rotary base;

10. a support shaft; 11. a mounting cavity; 12. an opening; 20. a vertical rotating member; 21. inserting holes; 22. a groove is embedded; 23. an abutting surface; 24. a guide arc surface; 25. a board is inserted; 26. inserting holes; 27. a rotating seat; 28. a housing; 29. an inner sleeve; 30. a vertical positioning device; 31. a movable member; 32. a spring; 50. a first limiting part; 51. a first nut; 52. a first gasket; 53. a first resilient gasket; 54. a second limiting part; 55. a first shoulder; 56. a third gasket; 60. a third limiting part; 61. a second nut; 62. a second gasket; 63. a second resilient gasket; 64. a fourth limiting part; 65. a second shoulder; 66. a fourth gasket; 70. a chassis; 81. a first transverse rotating rod; 82. a second transverse rotating rod; 83. inserting and mounting sections; 84. a connecting section; 85. connecting holes; 90. a connecting frame.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 1 to 6, a bidirectional rotating apparatus for a keyboard includes a base frame 70, a support shaft 10 provided on the base frame 70, a vertical rotating member 20 fitted over the support shaft 10 and rotatable about a central axis of the support shaft 10, a vertical positioning device 30 mounted on the support shaft 10 and used for positioning the vertical rotating member 20, a first transverse rotating rod 81, a second transverse rotating rod 82, and a connecting frame 90; the support shaft 10 is located between the first transverse rotating rod 81 and the second transverse rotating rod 82; the first transverse rotating rod 81 is rotatably installed at one end of the vertical rotating member 20 and can rotate around the first rotating axis L1 relative to the vertical rotating member 20; the second traverse rotating rod 82 is rotatably installed at the other end of the vertical rotating member 20 and is rotatable about the first rotation axis L1 with respect to the vertical rotating member 20; the first rotation axis is perpendicular to the central axis of the support shaft 10; the first transverse rotating rod 81 and the second transverse rotating rod 82 both comprise an insertion section 83 which is rotatably inserted in the vertical rotating member 20, and a connecting section 84 which is arranged on the insertion section 83; the connecting bracket 90 is fixedly connected to the connecting section 84 of the first transverse rotating rod 81 and the connecting section 84 of the second transverse rotating rod 82.

In use, the bottom frame 70 is fixed on the keyboard, the vertical rotating member 20 and the connecting frame 90 rotate around the central axis of the supporting shaft 10 by horizontally pushing the connecting frame 90 and the vertical rotating member 20, and the connecting frame 90 is pushed around the first rotation axis by relatively pushing the vertical rotating member 20 and the first rotation axis, so that the connecting frame 90, the first transverse rotation rod 81 and the second transverse rotation rod 82 rotate around the first rotation axis perpendicular to the central axis of the supporting shaft 10, therefore, the utility model provides a bidirectional rotating device of the keyboard, which enables the connecting frame 90 to rotate around the central axis of the supporting shaft 10 and rotate around the first rotation axis, so as to enable the connecting frame 90 to rotate bidirectionally, and further, the connecting frame 90 is rotatably installed at one end of the vertical rotating member 20 by rotatably installing the first transverse rotation rod 81, the second transverse rotation rod 82 is rotatably installed at the other end of the vertical rotating member 20, and the connecting frame 90 is fixedly connected with the connecting section 84 of the first transverse rotation rod 81 and the connecting section 84 of the second transverse rotation rod 82 respectively, so that the connecting frame 90 rotates smoothly, and the phenomenon of the connecting frame 90 can be reduced, so that the stability of the rotating of the connecting frame 90 can be improved.

The connecting section 84 is provided with a plurality of connecting holes 85 sequentially arranged along the first rotation axis direction, and each connecting hole 85 is connected with the connecting frame 90 through a connecting piece, so that the connecting stability of the connecting frame 90, the connecting section 84 of the first transverse rotating rod 81 and the second transverse rotating rod 82 is improved.

The first rotation axis is a central axis of the first transverse rotation rod 81

The vertical positioning device 30 comprises a movable member 31; the supporting shaft 10 is provided with a mounting cavity 11; the movable piece 31 is movably arranged in the mounting cavity 11; the supporting shaft 10 is further provided with an opening 12 which is communicated with the mounting cavity 11 and is used for the movable piece 31 to extend out; the vertical rotating piece 20 is provided with an insertion hole 21, the support shaft 10 is inserted into the insertion hole 21, and a spring 32 is further installed in the installation cavity 11; the spring 32 is abutted against the movable member 31 and is used for providing an elastic force for urging the movable member 31 to move towards the vertical rotating member 20; the hole wall of the insertion hole 21 is provided with a plurality of embedding grooves 22 which are arranged circumferentially around the central axis of the support shaft 10 and are used for embedding the movable piece 31; the wall surface of the hole wall of the insertion hole 21 between any two adjacent insertion grooves 22 is formed into an abutting surface 23 against which the movable piece 31 abuts. When the vertical rotating member 20 rotates around the central axis of the support shaft 10, the abutting surface 23 rotates along with the vertical rotating member 20, the movable member 31 abuts against the abutting surface 23, and when the groove 22 to be embedded rotates along with the vertical rotating member 20 to just face the movable member 31, the movable member 31 moves under the elastic force of the spring 32 and is embedded into the groove 22, so that the vertical rotating member 20 can be positioned, and the movable member 31 is embedded into different embedded grooves 22, so that the vertical rotating member 20 can be positioned at different rotating angles. Moreover, when the moving part 31 leaned on in leaning on face 23, spring 32 was in the contraction state, and when embedded groove 22 rotated to just when moving part 31 along with vertical rotating member 20, moving part 31 kick-backed under the elastic force effect of spring 32, and the embedding was in embedded groove 22 and the cell wall of embedded groove 22 bumps and is sounded, convenient in that the user knows the vertical rotating member 20 condition of rotating according to the sounding, improvement user experience sense.

This a plurality of embedded groove 22 is the circumference of equal angle range around the central axis of back shaft 10, and that is, the interval angle a between arbitrary two adjacent embedded grooves 22 equals for vertical rotating member 20 is every to rotate the same predetermined angle (also embedded groove 22 interval angle), alright fix a position convenient to use vertical rotating member 20. The angle a between any two adjacent embedded grooves 22 can be set according to the setting requirement, and for example, can be set to 30 degrees, 45 degrees, or 60 degrees, etc.

The number of the insertion grooves 22 is set to be even; two movable pieces 31 are movably arranged in the mounting cavity 11; the spring 32 is pressed between the two movable pieces 31; the supporting shaft 10 is provided with two openings 12 which are respectively corresponding to the two movable pieces 31 one by one and are used for the corresponding movable pieces 31 to extend out; one of the openings 12 is communicated with one end of the installation cavity 11, and the other opening 12 is communicated with the other end of the installation cavity 11, so that the two movable members 31 are respectively embedded into the two opposite embedding grooves 22, thereby improving the positioning stability of the vertical rotating member 20.

The installation cavity 11 extends along the radial direction of the supporting shaft 10, thereby facilitating the processing.

The two sides of the insertion groove 22 are provided with guide arc surfaces 24 or guide inclined surfaces, and in the process that the insertion groove 22 rotates to the position corresponding to the movable member 31 along with the vertical rotating member 20, the movable member 31 is conveniently inserted in place through the guide arc surfaces 24 or the guide inclined surfaces, the vertical rotating member 20 rotates by continuously applying the thrust, and the insertion groove 22 is conveniently separated from the movable member 31 through the guide arc surfaces 24 or the guide inclined surfaces.

The supporting shaft 10 is provided with a first limiting part 50 and a second limiting part 54; the first limiting part 50 and the second limiting part 54 are arranged along the axial direction of the support shaft 10; the vertical rotating member 20 includes a sheathing part that is sheathed on the support shaft 10, and the sheathing part is limited between the first limiting part 50 and the second limiting part 54; the first limiting part 50 comprises a first washer 52 which is abutted against the sleeving part and sleeved on the supporting shaft 10 and a first nut 51 which is in threaded connection with the supporting shaft 10; a plurality of first elastic washers 53 respectively sleeved on the support shaft 10 are arranged between the first washer 52 and the first nut 51 to facilitate the fixing of the support shaft 10.

The two ends of the vertical rotating member 20 are respectively provided with an inserting plate 25, each inserting plate 25 is provided with a through hole 26, the inserting section 83 of the first transverse rotating rod 81 is rotatably inserted into the through hole 26 of one inserting plate 25, and the inserting section 83 of the second transverse rotating rod 82 is rotatably inserted into the through hole 26 of the other inserting plate 25; each insertion section 83 is provided with a third limiting part 60 and a fourth limiting part 64; the third limiting part 60 and the fourth limiting part 64 are arranged on the insertion section 83 along the axial direction of the insertion section 83; the insertion plate 25 is limited between the third limiting part 60 and the fourth limiting part 64 of the corresponding insertion section 83; the third limiting portion 60 includes a second nut 61 which abuts against the corresponding insertion plate 25 and is sleeved on the insertion section 83, a plurality of second elastic washers 63 which are screwed on the insertion section 83, located between the second washer 62 and the second nut 61 and are respectively sleeved on the insertion section 83, so that the insertion section 83 can be conveniently fixed.

Specifically, the second limiting portion 54 includes a first shoulder 55 disposed on the support shaft 10, and a third washer 56 sleeved on the support shaft 10 and located between the first shoulder 55 and the vertical rotating element 20, but besides, the second limiting portion 54 is not limited to the above structure, and other structures may be adopted according to actual requirements, for example, a retainer ring may be directly adopted, and the like, as long as the limiting function is achieved. However, the second position-limiting portion 54 is formed by combining the first shoulder 55 and the third washer 56, which is the most preferred embodiment of the present invention, and is convenient for installation.

The fourth limiting portion 64 includes a second shoulder 65 disposed on the insertion section 83, and a fourth gasket 66 sleeved on the insertion section 83 and located between the second shoulder 65 and the corresponding insertion plate 25, but besides, the fourth limiting portion 64 is not limited to the above structure, and other structures may be adopted according to actual requirements, for example, a retainer ring may be directly adopted, and the like, as long as the limiting function is achieved. However, the fourth position-limiting portion 64 is formed by combining the second shoulder 65 and the fourth washer 66, which is the preferred embodiment of the present invention, and is convenient for installation.

The vertical rotating part 20 comprises a rotating seat 27 sleeved on the supporting shaft 10 and an outer cover 28 fixedly connected with the rotating seat 27 and formed with a cavity; the rotating seat 27 is positioned in the cavity of the outer cover 28, the inserting plates 25 are formed on the rotating seat 27, and each inserting section 83 extends into the cavity of the outer cover 28, so that the phenomenon of collision damage caused by exposure of the rotating seat 27 can be reduced, the space can be fully utilized, and the volume can be reduced. The housing portion is formed on the rotating seat 27.

An inner sleeve 29 is arranged in the cavity of the outer cover 28, and is fixedly connected with the rotating seat 27 through the inner sleeve 29.

Specifically, the bottom frame 70 is further provided with a bending portion protruding upward, and the support shaft 10 is fixed on the bending portion.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A bidirectional rotating device of a keyboard is characterized in that: the device comprises an underframe, a supporting shaft arranged on the underframe, a vertical rotating piece sleeved on the supporting shaft and capable of rotating around the central axis of the supporting shaft, a vertical positioning device arranged on the supporting shaft and used for positioning the vertical rotating piece, a first transverse rotating rod, a second transverse rotating rod and a connecting frame; the supporting shaft is positioned between the first transverse rotating rod and the second transverse rotating rod; the first transverse rotating rod is rotatably arranged at one end of the vertical rotating member and can rotate around a first rotating axis relative to the vertical rotating member; the second transverse rotating rod is rotatably arranged at the other end of the vertical rotating piece and can rotate around a first rotating axis relative to the vertical rotating piece; the first rotation axis is perpendicular to the central axis of the support shaft; the first transverse rotating rod and the second transverse rotating rod respectively comprise an insertion section which is rotatably inserted on the vertical rotating piece and a connecting section which is arranged on the insertion section; the connecting frame is fixedly connected with the connecting section of the first transverse rotating rod and the connecting section of the second transverse rotating rod respectively.

2. The bi-directional rotation device of a keyboard according to claim 1, wherein: the connecting section is provided with a plurality of connecting holes which are sequentially arranged along the direction of the first rotation axis, and each connecting hole is connected with the connecting frame through a connecting piece; the first rotation axis is a central axis of the first transverse rotation rod.

3. The bi-directional rotation device of a keyboard according to claim 1, wherein: the vertical positioning device comprises a movable piece; the supporting shaft is provided with a mounting cavity; the movable piece is movably arranged in the mounting cavity; the supporting shaft is also provided with an opening which is communicated with the mounting cavity and is used for the movable piece to extend out; the vertical rotating part is provided with an insertion hole, the supporting shaft is inserted into the insertion hole, and a spring is further installed in the installation cavity; the spring is abutted against the moving piece and used for providing elastic force for promoting the moving piece to move towards the vertical rotating piece; the hole wall of the insertion hole is provided with a plurality of embedding grooves which are circumferentially arranged around the central axis of the support shaft and are used for embedding the movable piece; the wall surface of the wall of the insertion hole between any two adjacent embedded grooves forms an abutting surface for the movable piece to abut against.

4. A bi-directional rotation device of a keyboard as claimed in claim 3, wherein: the plurality of embedded grooves are circumferentially arranged at equal angles around the central axis of the support shaft.

5. The bi-directional rotation device of a keyboard according to claim 4, wherein: the number of the embedded grooves is set to be even; two movable parts are movably arranged in the mounting cavity; the spring is propped between the two moving parts; the supporting shaft is provided with two openings which correspond to the two moving parts one by one respectively and allow the corresponding moving parts to extend out; one opening is communicated with one end of the installation cavity, and the other opening is communicated with the other end of the installation cavity.

6. A bi-directional rotation device of a keyboard as claimed in claim 3, wherein: the mounting cavity extends along the radial direction of the supporting shaft; and guide arc surfaces or guide inclined surfaces are arranged on two sides of the embedded groove.

7. The bi-directional rotation device of a keyboard according to claim 1, wherein: the supporting shaft is provided with a first limiting part and a second limiting part; the first limiting part and the second limiting part are arranged along the axial direction of the supporting shaft; the vertical rotating piece comprises a sleeving part sleeved on the supporting shaft, and the sleeving part is limited between the first limiting part and the second limiting part; the first limiting part comprises a first gasket and a first nut, wherein the first gasket is abutted against the sleeving part and sleeved on the supporting shaft, and the first nut is in threaded connection with the supporting shaft; a plurality of first elastic washers which are respectively sleeved on the supporting shaft are arranged between the first washer and the first nut.

8. The bi-directional rotation device of a keyboard according to claim 1, wherein: the two ends of the vertical rotating piece are respectively provided with an inserting plate, each inserting plate is provided with an inserting hole, the inserting section of the first transverse rotating rod is rotatably inserted into the inserting hole of one inserting plate, and the inserting section of the second transverse rotating rod is rotatably inserted into the inserting hole of the other inserting plate; each insertion section is provided with a third limiting part and a fourth limiting part; the third limiting part and the fourth limiting part are arranged on the insertion section along the axial direction of the insertion section; the inserting plate is limited between the third limiting part and the fourth limiting part of the corresponding inserting section; the third limiting part comprises a second gasket abutted to the corresponding insertion plate and sleeved on the insertion section, a second nut in threaded connection with the insertion section, and a plurality of second elastic gaskets positioned between the second gasket and the second nut and respectively sleeved on the insertion section.

9. The bi-directional rotation device of a keyboard according to claim 8, wherein: the vertical rotating part comprises a rotating seat sleeved on the supporting shaft and an outer cover fixedly connected with the rotating seat and provided with a cavity; the rotating seat is positioned in the cavity of the outer cover, the inserting plates are formed on the rotating seat, and each inserting section extends into the cavity of the outer cover.

10. The bi-directional rotation device of a keyboard according to claim 9, wherein: an inner sleeve is arranged in the cavity of the outer cover and is fixedly connected with the rotating seat through the inner sleeve.