CN217926742U - Novel wave bead positioning and locking damping rotating shaft mechanism - Google Patents

Abstract

The utility model discloses a novel ripples pearl location locking damping pivot mechanism, include the pivot of being connected with first carousel and locate pivot parallel arrangement in the second carousel of first carousel with the cover to and be fixed in the nut of pivot with the second carousel be equipped with the first gasket of cover in the pivot between first carousel and the second carousel, be equipped with the ball subassembly of rotational positioning along pivot direction on every side between second carousel and the first carousel. Because the resistance size when ball subassembly cooperation position is in other positions, can make the position between first carousel and the second carousel relatively stable when rotating ball subassembly to play the positioning action, effectively disperseing the damping of first gasket and first carousel and second carousel simultaneously. In addition, be equipped with first gasket, spacing piece and ball subassembly between first carousel and the second carousel and can produce a plurality of contact resistance faces for the damping dispersion, the stationarity is better during the rotation. Meanwhile, the radial dispersion surface is larger, and the bending resistance is improved.

Description

Novel wave bead positioning and locking damping rotating shaft mechanism

Technical Field

The utility model relates to a pivot technical field, in particular to novel ripples pearl location locking damping pivot mechanism.

Background

The rotating shaft is also called simply a rotating shaft, and is usually a necessary component between two components in a rotating relationship, and usually bears a rotating torque in a rotating direction, and in a specific situation, such as horizontal rotation, it needs to bear a bending moment perpendicular to a plane parallel to the rotating direction, and is widely used for rotating swing arm supports, mobile phones, screen supports, and the like. For convenience, a mechanism with a damping function is usually provided, however, the mechanism with the damping function usually has bidirectional damping, and the damping rotating shaft only has an axial damping function and no positioning or stopping function, so that the mechanism cannot be applied in a specific scene.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a novel ripples pearl location locking damping pivot mechanism, and this novel ripples pearl location locking damping pivot mechanism has the location, better adapts to different application scenes, simple structure, compactness.

In order to solve the problem, the utility model provides a novel have location locking ripples pearl damping pivot mechanism, this novel ripples pearl location locking damping pivot mechanism include the pivot of being connected with first carousel and locate pivot parallel arrangement in the second carousel of first carousel with the cover to and be fixed in the nut of pivot with the second carousel be equipped with the first gasket of cover in the pivot between first carousel and the second carousel, be equipped with the ball subassembly of rotational positioning along the direction around the pivot between second carousel and the first carousel.

Furthermore, the ball assembly comprises a second guide post arranged on the second rotary table and a first guide post arranged on the first rotary table and corresponding to the second guide post, the second guide post is provided with a positioning ball, and when the second rotary table and the first rotary table rotate and move, the positioning ball moves to a positioning groove on the end face of the first guide post.

Further, the second guide post is an elastic wave bead guide post.

Furthermore, a limiting sheet sleeved on the rotating shaft is arranged between the first gasket and the first rotating disc, and the limiting sheet is provided with a fixing hole matched with the first guide pillar.

Further, the number of the ball assemblies is 3-6.

Further, the radius from the positioning groove to the rotating shaft is the same as the radius from the positioning ball to the rotating shaft.

Furthermore, the ball components are uniformly distributed around the rotating shaft and have the same distance with the rotating shaft.

Furthermore, a limiting hole which is matched with a limiting pin on the second turntable to limit the rotation angle is further formed in the limiting sheet.

Furthermore, the limiting hole is of an arc-shaped structure.

Furthermore, the limiting hole is a circular arc with 180 degrees, and two ends of the circular arc are stopping points.

Furthermore, two second gaskets are arranged between the second rotating disc and the nut, and a corrugated elastic sheet is arranged between the two second gaskets.

The utility model discloses ripples pearl location locking damping pivot mechanism, include the pivot of being connected with first carousel and locate pivot parallel arrangement in the second carousel of first carousel with the cover to and be fixed in the nut of pivot with the second carousel be equipped with the first gasket of cover in the pivot between first carousel and the second carousel, be equipped with the ball subassembly of rotational positioning along pivot direction on every side between second carousel and the first carousel. Because the resistance size when ball subassembly cooperation position is in other positions, can make the position between first carousel and the second carousel relatively stable when rotating ball subassembly to play the positioning action, effectively disperseing the damping of first gasket and first carousel and second carousel simultaneously. In addition, be equipped with first gasket, spacing piece and ball subassembly between first carousel and the second carousel and can produce a plurality of contact resistance faces for the damping dispersion, the stationarity is better during the rotation. Meanwhile, the radial dispersion surface is larger, and the bending resistance is improved.

The second turntable is provided with a limiting pin, and the limiting pin and the limiting hole on the first gasket can enable the rotation angle between the first turntable and the second turntable to be within a set range, so that limiting and stopping are realized.

Drawings

In order to illustrate more clearly the embodiments of the invention or the solutions of the prior art, reference will now be made briefly to the attached drawings that are needed in the description of the embodiments or the prior art, it being understood that the drawings in the description illustrate only some embodiments of the invention and are therefore not to be considered limiting of its scope, and that, to a person skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural view of an embodiment of the wave bead positioning and locking damping rotating shaft mechanism of the present invention.

Fig. 2 is a schematic perspective view of an embodiment of the wave bead positioning and stopping damping rotating shaft mechanism of the present invention.

Fig. 3 is a schematic sectional view of the structure in a direction perpendicular to the rotation axis.

Fig. 4 is an explosion diagram of the embodiment of the wave bead positioning and stopping damping rotating shaft mechanism of the present invention.

Fig. 5 is a schematic structural view of an embodiment of the limiting piece.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The following claims are presented in conjunction with the detailed description of the invention and the accompanying drawings, it being understood that the embodiments described are only some embodiments of the invention and not all embodiments. Based on the embodiments of the present invention, those skilled in the art can find out all other embodiments without creative efforts, and all the embodiments also belong to the protection scope of the present invention.

It should be understood that in the embodiments of the present invention, all directional terms such as "upper", "lower", "left", "right", "front", "back", etc. are used to describe the orientation or position relationship of the present invention based on the orientation or position relationship shown in the drawings or the orientation or position relationship of the product in use, which is usually used to describe the present invention, and not to explicitly or implicitly describe that the device, element or part referred to must have a specific orientation and a specific orientation configuration, which should not be construed as limiting the present invention. For the purpose of explaining only the relative positional relationship between the respective components, the movement, and the like, as shown in the drawings, when the specific posture is changed, the directional indication may be changed accordingly.

Furthermore, the use of ordinal numbers such as "first", "second", etc., in the present application is for distinguishing purposes only and is not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. The features defining "first" and "second" may be explicit or implicit in relation to at least one of the technical features. In the description of the present invention, "a plurality" means at least two, i.e., two or more, unless expressly defined otherwise; the meaning of "at least one" is one or both.

In the present invention, unless explicitly specified or limited otherwise, the terms "mounting," "setting," "connecting," "fixing," "screwing" and the like are to be understood in a broad sense, and for example, the positional relationship between the components may be relatively fixed, or the components may be physically fixed and connected, or may be detachably connected, or may be integrated into a single structure; the connection can be mechanical connection or electrical signal connection; either directly or indirectly through intervening media or components; the two elements may be connected with each other or may be in an interaction relationship with each other, and unless otherwise explicitly limited by the specification, the specific meaning of the terms in the present invention can be understood by those skilled in the art according to the specific situation, except that the corresponding function or effect cannot be achieved otherwise.

The controller and the control circuit that may be involved in the present invention are conventional control techniques or units for those skilled in the art, and the control circuit such as the controller may be implemented by those skilled in the art using existing techniques, such as simple programming. The power also adopts belong to this field of prior art, and the utility model discloses main utility model technical point lies in improving mechanical device, so the utility model discloses no longer explain in detail concrete circuit control relation and circuit connection.

As shown in fig. 1-5, the present invention provides an embodiment of a novel wave bead positioning, stopping and damping rotating shaft mechanism.

This novel ripples pearl location locking damping pivot mechanism includes the pivot 3 of being connected with first carousel 1 and locates pivot 3 parallel arrangement in the second carousel 2 of first carousel 1 with the cover to and be fixed in the nut 4 of pivot 3 with second carousel 2 be equipped with the first gasket 11 of cover in pivot 3 between first carousel 1 and the second carousel 2, be equipped with the ball subassembly of rotational positioning along 3 directions on every side of pivot between second carousel 2 and the first carousel 1.

Specifically, the first rotating disk 1 and the rotating shaft 3 may be of an integral structure or a separate structure, and in either structure, it is required that the rotating shaft 3 and the first rotating disk 1 cannot be displaced in the rotating direction. This embodiment adopts the components of a whole that can function independently structure with first carousel 1 and pivot 3, is equipped with restriction pivoted limit structure between first carousel 1 and pivot 3, if set up the hole on first carousel 1 to non-circular structure, the cross-section of pivot 3 set up to rather than match can, 3 tip of pivot are equipped with limit structure, if structure such as spacing step, guarantee can not loosen in the axial.

The ball assembly comprises a second guide post 10 arranged on the second rotary table 2 and a first guide post 9 arranged on the first rotary table 1 and corresponding to the second guide post 10, a positioning ball 12 is arranged on the end surface of the second guide post 10, and when the second rotary table 2 and the first rotary table 1 rotate and displace, the positioning ball 12 moves to a positioning groove (not shown in the attached drawing) on the end surface of the first guide post 12. The second guide post 10 is an elastic wave ball guide post, and a spring which enables the positioning ball 12 arranged on the end face to extend outwards is arranged on the second guide post. The end surface of the first guide post 9 is provided with a groove matched with the ball 12. When the second rotary table 2 and the first rotary table 1 rotate and displace, when the positioning ball 12 moves to the positioning groove on the end face of the first guide post 9, the positioning ball 12 generates a larger resistance when being matched with the groove, so that the rotation angle can be positioned, and when the rotating torque is larger than the resistance torque generated by the positioning ball 12 and the groove, the positioning position can be separated.

The second guide posts 10 and the corresponding first guide posts 9 mean that the distance from the first guide posts 9 to the rotating shaft is the same as the distance from the second guide posts 10 to the rotating shaft, that is, the radius from the positioning groove to the rotating shaft is the same as the radius from the positioning ball to the rotating shaft, and the number of the second guide posts 10 and the number of the first guide posts 9 can also be the same.

A limiting piece 8 sleeved on the rotating shaft 3 is arranged between the first gasket 11 and the first rotating disc 1, the limiting piece 8 is provided with a fixing hole 80 matched with the first guide pillar 9, and the first guide pillar 9 penetrates through the fixing hole 80, so that no relative motion exists between the limiting piece 8 and the first rotating disc 1. The limiting piece 8 is provided with a limiting hole 81 which is matched with the limiting pin 7 on the second turntable 2 to limit the rotation angle, and the limiting hole and the limiting pin can be matched to limit the rotation angle. The limiting hole 81 is in a circular arc structure, for example, the limiting hole is set to be a circular arc of 180 degrees, two ends of the circular arc are stopping points, and the limiting hole can stop when rotating forward and backward by 90 degrees when in use.

The number of the ball assemblies is 3-6, the ball assemblies are uniformly distributed around the rotating shaft 3, and the distances between the ball assemblies and the rotating shaft 3 are the same. In the present embodiment, 4 ball assemblies are taken as an example.

According to needs, be equipped with two second gaskets 6 between second carousel 2 and nut 4, be equipped with ripple shell fragment 5 between two second gaskets 6, can increase the damping between second carousel 2 and nut 4, also can avoid second carousel 2 to drive nut 4 to rotate when rotating simultaneously to produce the pine phenomenon of taking off.

Because the resistance size when ball subassembly cooperation position is in other positions, can make the position between first carousel and the second carousel relatively stable when rotating ball subassembly to play the positioning action, effectively disperseing the damping of first gasket and first carousel and second carousel simultaneously. In addition, be equipped with first gasket, spacing piece and ball subassembly between first carousel and the second carousel and can produce a plurality of contact resistance faces, can produce the damping dispersion on the one hand, the stationarity is better during the rotation. Meanwhile, the resistance is larger in the radial direction dispersion surface, and the axial bending resistance is improved. The second turntable is provided with a limiting pin, and the limiting pin and the limiting hole on the first gasket can enable the rotation angle between the first turntable and the second turntable to be within a set range, so that limiting and stopping are realized.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments without departing from the spirit or scope of the present invention.

Claims (11)

1. The utility model provides a novel ripples pearl location locking damping pivot mechanism, includes the pivot of being connected with first carousel and locates pivot parallel arrangement in the second carousel of first carousel with the cover to and be fixed in the nut of pivot with the second carousel be equipped with the first gasket of cover in the pivot between first carousel and the second carousel, be equipped with the ball subassembly of rotational positioning along pivot direction on every side between second carousel and the first carousel.

2. The novel wave bead positioning, stopping and damping rotating shaft mechanism as claimed in claim 1, wherein: the ball assembly comprises a second guide post arranged on the second rotary table and a first guide post arranged on the first rotary table and corresponding to the second guide post, the second guide post is provided with a positioning ball, and when the second rotary table and the first rotary table rotate and move, the positioning ball moves to a positioning groove on the end face of the first guide post.

3. The novel ball positioning, stopping and damping spindle mechanism of claim 2, wherein: the second guide post is an elastic wave bead guide post.

4. The novel wave bead positioning, stopping and damping rotating shaft mechanism as claimed in claim 2, characterized in that: the radius from the positioning groove to the rotating shaft is the same as the radius from the positioning ball to the rotating shaft.

5. The novel wave bead positioning, stopping and damping rotating shaft mechanism as claimed in claim 2, characterized in that: a limiting piece sleeved on the rotating shaft is arranged between the first gasket and the first rotating disc, and the limiting piece is provided with a fixing hole matched with the first guide pillar.

6. The novel wave bead positioning, stopping and damping rotating shaft mechanism as claimed in claim 5, wherein: and the limiting sheet is also provided with a limiting hole which is matched with the limiting pin on the second turntable to limit the rotating angle.

7. The novel wave bead positioning, stopping and damping rotating shaft mechanism as claimed in claim 6, wherein: the limiting hole is of an arc-shaped structure.

8. The novel ball positioning, stopping and damping spindle mechanism of claim 7, wherein: the limiting hole is an arc of 180 degrees, and two ends of the arc are stopping points.

9. The novel wave bead positioning, stopping and damping rotating shaft mechanism as claimed in claim 1, wherein: the number of the ball assemblies is 3-6.

10. The novel wave bead positioning, stopping and damping rotating shaft mechanism as claimed in claim 7, wherein: the ball components are uniformly distributed around the rotating shaft and have the same distance with the rotating shaft.

11. The novel wave bead positioning, stopping and damping rotating shaft mechanism as claimed in claim 1, wherein: two second gaskets are arranged between the second rotary table and the nut, and a corrugated elastic sheet is arranged between the two second gaskets.

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