CN213360827U - Synchronous damping rotating shaft - Google Patents

Abstract

The utility model discloses a synchronous damping pivot, it includes: the connecting piece, the connecting piece include the connecting seat and with the connection piece that the connecting seat links to each other, the connection piece with the connecting seat sets up relatively, and two axle cores run through respectively the connection piece, and the central axis of two axle cores with the face of connection piece is perpendicular, the one end of axle core is provided with the gear shaft, the gear shaft card is located the connection piece with between the connecting seat, be provided with the worm wheel on the connecting seat, the worm wheel respectively with two the gear shaft meshing. The connecting seat is "T" type spare, the connecting seat including horizontal plate that sets up, and vertical connect in the post on plate surface, the post deviates from the one end of plate is provided with the connection arch, the post facial make-up is equipped with the worm wheel. Synchronous damping pivot overcome prior art in the pivot rock easily, the problem that the reliability is not high.

Description

Synchronous damping rotating shaft

Technical Field

The utility model relates to a damping pivot especially relates to a 360 degree biax synchronous damping pivot.

Background

The rotating shaft is an important part and plays an important role in the whole mechanism, the rotating shaft and accessories occupy an important position in the whole set of product materials, the comprehensive quality of the product structure is directly influenced, and the normal use and the service life of the product are greatly influenced. The damping rotating shaft is a connecting element capable of providing mutual rotation and is mainly applied between a rotating part and a base body thereof, at present, the damping rotating shaft is widely applied to various digital products and electronic equipment, such as a notebook computer, the opening and closing function between a body and a display screen of the notebook computer can be realized through the rotation of the damping rotating shaft, and the opening and closing function of the notebook computer is realized through assembling parts by using a common damping rotating shaft as a single-shaft core.

The opening and closing of the notebook computer and the angle relative to the human body are gradually realized through the double-shaft core, and the opening and closing and positioning functions of the notebook computer are also realized through the double-shaft core structure. However, the "T" shaped part used in the dual-shaft core structure, which connects the cam and the housing, is an integral structure, as shown in fig. 1, the "T" shaped part can only be processed by powder metallurgy, the hardness of the "T" shaped part is higher after sintering by powder metallurgy, tempering is also required before tapping to reduce the hardness, and the hardness is increased after tapping, which leads to the increase of the process cost and the higher overall processing cost. Furthermore, another connecting structure is used in the existing double-shaft core structure, as shown in fig. 2, the connecting structure is used for connecting the gear shaft and the worm wheel, and the structure comprises a T-shaped part and a plate part, the T-shaped part and the plate part are butted but not connected, and the structural design can cause the risk of shaking of the rotating shaft, and the overall reliability is reduced.

Therefore, a new technical solution is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that exists among the prior art, providing a synchronous damping pivot, concrete technical scheme is as follows:

a synchronous damping spindle, comprising:

the connecting piece, the connecting piece include the connecting seat and with the connection piece that the connecting seat links to each other, the connection piece with the connecting seat sets up relatively, and two axle cores run through respectively the connection piece, and the central axis of two axle cores with the face of connection piece is perpendicular, the one end of axle core is provided with the gear shaft, the gear shaft card is located the connection piece with between the connecting seat, be provided with the worm wheel on the connecting seat, the worm wheel respectively with two the gear shaft meshing.

In a further embodiment, the connecting seat is a T-shaped part, the connecting seat comprises a plate arranged horizontally and a column connected to the surface of the plate vertically, a connecting bulge is arranged at one end of the column, which is far away from the plate, and the worm wheel is arranged on the column.

In a further embodiment, the connecting piece is provided with a middle connecting hole, the shape of the middle connecting hole is matched with that of the connecting protrusion, the connecting seat is installed on the connecting piece through the connecting protrusion, the two shaft cores are symmetrically arranged on the connecting piece, and the central axis of the middle connecting hole is used as a symmetrical axis.

Further, the cross-sectional shape of the connecting protrusion comprises one or more of a circle, an ellipse, a triangle, a rectangle and a diamond.

In a further embodiment, two gear shafts are respectively oppositely arranged at two sides of the column member, one end of each gear shaft is abutted against the connecting piece, the other end of each gear shaft is abutted against the plate member,

further, the plate and the connecting sheet are arranged in parallel, and the plate, the column piece and the connecting sheet form an H-shaped structure.

In a further embodiment, the connecting piece is arranged opposite to the plate, one end of the shaft core, which is provided with the gear shaft, is abutted against the connecting piece, the other end of the shaft core penetrates through the plate to be connected with the first connecting piece,

furthermore, two gear shafts are arranged on two sides of the column, the worm gear is located between the two gear shafts, and the two gear shafts are meshed with the worm gear to drive the two shaft cores to rotate.

Furthermore, the column piece is provided with a mounting hole, the worm wheel is connected in the mounting hole through a worm wheel shaft, and the central axis of the mounting hole is perpendicular to the central axis of the shaft core.

Further, the first connecting piece comprises a connecting plate and a connecting column connected with the connecting plate in a split manner, two through holes are vertically formed in the plate surface of the connecting plate, the shaft core is accommodated in each through hole,

furthermore, one end of the connecting column is connected with the connecting plate, the connecting column is located between the two shaft cores, and a gap is formed between the connecting column and the two shaft cores.

Further, the plate is kept away from be provided with the gasket on the surface of gear shaft, the gasket cluster is located on the axle core, the gasket with the connecting plate is contradicted.

The utility model discloses have one or more in following beneficial effect:

1. the utility model discloses a synchronous damping pivot, it includes a connecting piece of connecting gear shaft and worm wheel, the connecting piece include the connecting seat and with the connection piece that the connecting seat links to each other, it connects the arch to have on the connecting seat, intermediate junction hole has on the connection piece, the connecting seat passes through connect the arch install in on the connection piece, insert the formula connection and can strengthen overall structure, if will pivot equipment use to the computer in, then can improve the screen and rock bad phenomenon.

2. The utility model discloses a synchronous damping rotating shaft, which also comprises a first connecting piece of a structure for connecting a cam and a shell, the first connecting piece comprises a connecting plate and a connecting column which is connected with the connecting plate in a split mode, the connecting plate is provided with a central mounting hole or a central mounting groove, one end of the connecting column is provided with a boss matched with the central mounting hole or the central mounting groove, the connecting column is arranged on the connecting plate through the lug boss which is riveted in the central mounting hole or the central mounting groove, or the lug boss is welded in the central mounting hole or the central mounting groove, the connecting column and the connecting plate are separately processed, the connecting column can be processed by adopting a stamping process, the cost is low, the connecting plate can be processed by adopting the stamping process or can be processed by adopting powder metallurgy and finished by sintering once, and the processing cost is integrally reduced.

3. The connecting plate on have with cam complex sink groove, the design of this sink groove can guarantee that synchronous damping pivot is in the smooth same direction as more steady in the rotation in-process, sink groove cooperatees with the arch of cam, during the rotatory certain angle of cam, the cam arch just agrees with sink groove, overall reliability is high, and the components of a whole that can dismantle design simple assembly of connecting plate and spliced pole, easy maintenance, only need change when connecting plate or spliced pole damage can, it is extravagant to reduce the material.

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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a structure for connecting a cam and a housing described in the background art;

FIG. 2 is a schematic view of a structure for connecting a gear shaft and a worm wheel described in the background art;

fig. 3 is a schematic perspective view of a connecting plate of the first connecting member according to the present invention;

fig. 4 is a schematic perspective view of the connection column of the first connection member according to the present invention;

fig. 5 is a schematic view of the overall structure of the connecting member of the present invention;

fig. 6 is a schematic view of the overall structure of the synchronous damping rotating shaft of the present invention;

fig. 7 is an exploded view of the synchronous damping rotating shaft shown in fig. 6.

Wherein: 01-a housing; 02-nut; 03-a spring plate; 04-sound insulation spacer; 05-a cam; 06-connecting piece A; 07-a worm gear; 08-gear shaft; 09-fixing frame; 010-a gasket; 011-shaft core;

10-a first connector; 11-a connecting plate; 111-central mounting hole; 12-a connecting column; 121-boss;

20-a connector; 21-a connecting seat; 211-a plate; 212-post; 2121-connecting projection; 22-connecting piece.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

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

Examples

Referring to fig. 1 and 2, which are schematic structural diagrams of a connecting component in a synchronous damping rotating shaft in the background art, the structure illustrated in fig. 1 is high in processing cost, and the structure illustrated in fig. 2 may cause the rotating shaft to shake. Therefore, the present invention provides a synchronous damping shaft, see fig. 3-6:

the utility model provides a pair of synchronous damping pivot can refer to FIG. 6, is the synchronous damping pivot overall structure schematic diagram under the embodiment, and it includes:

first connecting piece 10, first connecting piece 10 include connecting plate 11 and with the spliced pole 12 of 11 split type connections of connecting plate, two through-holes have been seted up perpendicularly on the face of connecting plate 11, every hold the axle core 011 in the through-hole, the one end of axle core 011 is provided with gear shaft 08.

Under an embodiment, synchronous damping pivot it can also include connecting piece 20, connecting piece 20 include connecting seat 21 and with the connection piece 22 that connecting seat 21 links to each other, connection piece 22 with connecting seat 21 sets up relatively, gear shaft 08 card is located connection piece 22 with between the connecting seat 21, be provided with worm wheel 07 on the connecting seat 21, worm wheel 07 respectively with two the gear shaft 08 meshes.

In one embodiment, the connecting plate 11 has a central mounting hole 111 or a central mounting groove, one end of the connecting column 12 has a boss 121 matching with the central mounting hole 111 or the central mounting groove, and the connecting column 12 is mounted on the connecting plate 11 through the boss 121.

The connecting column 12 is installed on the connecting plate 11 through the boss 121, the boss 121 is riveted in the central installation hole 111 or the central installation groove, or the boss 121 is welded in the central installation hole 111 or the central installation groove, of course, the connecting mode through riveting is easier to disassemble and replace, the utilization rate of parts is high, the welding connection is relatively more stable but is one-time connection, if the parts are damaged, the whole connecting column is generally scrapped, and therefore, the connecting mode of the connecting plate 11 and the connecting column 12 can be selected according to the actual application environment.

In an embodiment, a threaded hole is formed in an end surface of the other end of the connecting column 12, a central axis of the threaded hole coincides with a central axis of the connecting column 12, and the connecting column 12 is screwed with the housing through the threaded hole, which is a matching relationship between the connecting column 12 and the housing 01 of the synchronous damping rotating shaft.

In an embodiment, the shape of the central mounting hole 111 or the central mounting groove includes one or a combination of a circle, an ellipse, a triangle, a rectangle and a diamond, or may be any shape, regardless of the shape of the central mounting hole 111 or the central mounting groove, as long as the shape is consistent with the shape of the boss of the connecting column 12, the two can be connected to each other to meet the technical effect expected by the present invention.

In one embodiment, the central mounting hole 111 or the central mounting groove is located between two through holes on the connecting plate 11, the two through holes are symmetrically arranged on the connecting plate 11 by taking the central axis of the central mounting hole 111 or the central mounting groove as a symmetry axis, the central axis direction of the connecting column 12 is parallel to the central axis of each shaft core 011, a cam 05 is arranged on each shaft core 011 in series, the cam 05 is seated on the through holes, and a gap is formed between the connecting column 12 and the cam 05.

In one embodiment, the cam 05 is disposed on a surface of the connecting plate 11 away from the gear shaft 08, and a sunken groove (i.e., a groove) is disposed on the connecting plate 11 and is matched with the cam 05, a protrusion of the cam 05 is matched with the groove on the connecting plate 11, the protrusion is accommodated in the groove (it can be understood that the cam 05 is sunken in the sunken groove), the sunken groove is communicated with the through hole, and the sunken groove is disposed coaxially with the through hole. The design of this sink can guarantee that synchronous damping pivot is more steady in the same direction as smooth rotating the in-process, and the protruding recess on with the connecting plate of cam just meshes under rotatory certain angle, and overall reliability is high, and the components of a whole that can function independently detachable design assembly of connecting plate and spliced pole is simple, easy maintenance, only need change when connecting plate or spliced pole damage can, it is extravagant to reduce the material.

In one embodiment, the connecting seat 21 is a "T" shaped component, the connecting seat 21 includes a plate 211 arranged horizontally, and a column 212 connected to the surface of the plate 211 vertically, one end of the column 212 facing away from the plate 211 is provided with a connecting protrusion 2121, and the column 212 is provided with the worm wheel 07.

In one embodiment, the connecting plate 22 has a middle connecting hole, the shape of the middle connecting hole matches with the connecting protrusion 2121, and the connecting base 21 is mounted on the connecting plate 22 through the connecting protrusion 2121.

In one embodiment, the cross-sectional shape of the connecting protrusion 2121 includes one or more of a combination of a circle, an ellipse, a triangle, a rectangle, a diamond, or any other shape, and the connecting protrusion 2121 is designed to match with the central connecting hole of the connecting piece 22, so that the connecting protrusion 2121 can be connected to the connecting piece to meet the requirement regardless of the shape of the connecting protrusion 2121.

In one embodiment, the two gear shafts 08 are respectively and oppositely arranged on two sides of the column 212, one end of each gear shaft 08 abuts against the connecting piece 22, the other end of each gear shaft 08 abuts against the plate 211, the plate 211 is arranged in parallel with the connecting piece 22, and the plate 211, the column 212 and the connecting piece 22 form an "H" type structure.

In one embodiment, the connecting piece 22 is arranged opposite to the plate 211, one end of the shaft core 011, which is provided with the gear shaft 08, is abutted against the connecting piece 22, the other end of the shaft core 011 penetrates through the plate 211 to be connected with the first connecting piece 10, the two gear shafts 08 are arranged on two sides of the column piece 212, the worm wheel 07 is positioned between the two gear shafts 08, the two gear shafts 08 are meshed with the worm wheel 07 to drive the two shaft cores 011 to rotate, and the rotating directions of the two shaft cores 011 are opposite. First connecting piece 10 include connecting plate 11 and with the spliced pole 12 of 11 split type connections of connecting plate, the both ends of 11 faces of connecting plate are run through perpendicularly by axle core 011 respectively, the one end of spliced pole 12 with connecting plate 11 links to each other, just spliced pole 12 is located two between the axle core 011, spliced pole 12 and two have the clearance between the axle core 011.

In one embodiment, the column 212 is provided with a mounting hole, the worm gear 07 is connected in the mounting hole through a worm gear 07 shaft, and the central axis of the mounting hole is perpendicular to the central axis of the shaft core 011.

In one embodiment, a gasket is arranged on the surface of the plate 211 far away from the gear shaft 08, the gasket is arranged on the shaft core 011 in series, and the gasket is abutted against the connecting plate 11.

In one embodiment, referring to fig. 6 and 7, the synchronous damping rotating shaft of the present invention further includes a housing 01, a nut 02, a spring plate 03, a sound-insulating spacer 04, a connecting piece a06, a fixing frame 09, a spacer 010, and a shaft core 011. The synchronous damping rotating shaft comprises a first connecting piece of a structure for connecting a cam and a shell, the first connecting piece comprises a connecting plate and a connecting column in split connection with the connecting plate, the connecting plate is provided with a central mounting hole or a central mounting groove, one end of the connecting column is provided with a boss matched with the central mounting hole or the central mounting groove, the connecting column is mounted on the connecting plate through the boss, the boss is riveted in the central mounting hole or the central mounting groove, or the boss is welded in the central mounting hole or the central mounting groove, the connecting column and the connecting plate are separately processed, the connecting column can be processed by adopting a stamping process and a turning process, the cost is lower, the connecting plate can be processed by adopting a stamping process, or is processed by adopting powder metallurgy for one-time sintering, the processing cost is integrally reduced, compare prior art to the processing cost of this work piece, split type structure's processing cost can reduce at least 50%.

Synchronous damping pivot still have a connecting piece of connecting gear shaft and worm wheel, the connecting piece include the connecting seat and with the connection piece that the connecting seat links to each other, it connects the arch to have on the connecting seat, intermediate junction hole has on the connection piece, the connecting seat passes through connect the arch install in on the connection piece, overall structure can be strengthened to the plug-in connection, if will pivot equipment use to the computer in, then can improve the screen and rock bad phenomenon.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. 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 described in this specification can be combined and combined by one skilled in the art.

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

Claims (9)

1. A synchronous damping spindle, comprising:

connecting piece (20), connecting piece (20) including connecting seat (21) and with connection piece (22) that connecting seat (21) links to each other, connection piece (22) with connecting seat (21) sets up relatively, and two axle cores (011) run through respectively connection piece (22), and the central axis of two axle cores (011) with the face of connection piece (22) is perpendicular, the one end of axle core (011) is provided with gear shaft (08), gear shaft (08) card is located connection piece (22) with between connecting seat (21), be provided with worm wheel (07) on connecting seat (21), worm wheel (07) respectively with two gear shaft (08) meshing.

2. The synchronous damping spindle of claim 1,

the connecting seat (21) is a T-shaped piece, the connecting seat (21) comprises a plate (211) which is transversely arranged and a column piece (212) which is vertically connected to the surface of the plate (211), one end, deviating from the plate (211), of the column piece (212) is provided with a connecting bulge (2121), and the column piece (212) is provided with the worm wheel (07).

3. The synchronous damping spindle of claim 2,

the connecting piece (22) is provided with a middle connecting hole, the shape of the middle connecting hole is matched with the connecting bulge (2121), the connecting seat (21) is arranged on the connecting piece (22) through the connecting bulge (2121),

the two shaft cores (011) are symmetrically arranged on the connecting sheet (22), and the central axis of the middle connecting hole is taken as a symmetry axis.

4. The synchronous damping spindle of claim 2,

the cross-sectional shape of the connecting protrusion (2121) comprises one or more of a circle, an ellipse, a triangle, a rectangle and a diamond.

5. The synchronous damping spindle of claim 2,

the two gear shafts (08) are respectively and oppositely arranged at two sides of the column piece (212), one end of each gear shaft (08) is abutted against the connecting piece (22), the other end of each gear shaft (08) is abutted against the plate piece (211),

the plate (211) and the connecting piece (22) are arranged in parallel, and the plate (211), the column piece (212) and the connecting piece (22) form an H-shaped structure.

6. The synchronous damping spindle of claim 2,

the connecting piece (22) is arranged opposite to the plate (211), one end of the shaft core (011) provided with a gear shaft (08) is abutted against the connecting piece (22), the other end of the shaft core (011) penetrates through the plate (211) and is connected with the first connecting piece,

the two gear shafts (08) are arranged on two sides of the column piece (212), the worm wheel (07) is located between the two gear shafts (08), and the two gear shafts (08) are meshed with the worm wheel (07) to drive the two shaft cores (011) to rotate.

7. The synchronous damping spindle of claim 2,

the column piece (212) is provided with a mounting hole, the worm wheel (07) is connected in the mounting hole through the worm wheel (07) shaft, and the central axis of the mounting hole is perpendicular to the central axis of the shaft core (011).

8. The synchronous damping spindle of claim 6,

the first connecting piece (10) comprises a connecting plate (11) and a connecting column (12) connected with the connecting plate (11) in a split mode, two through holes are vertically formed in the surface of the connecting plate (11), each through hole is internally provided with the shaft core (011),

one end of the connecting column (12) is connected with the connecting plate (11), the connecting column (12) is located between the two shaft cores (011), and a gap is reserved between the connecting column (12) and the two shaft cores (011).

9. The synchronous damping spindle of claim 8,

the plate (211) is far away from the surface of the gear shaft (08) and is provided with a gasket, the gasket is arranged on the shaft core (011) in series and is abutted to the connecting plate (11).

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