CN211574017U - Small-space torsion-adjustable pivot device - Google Patents

Abstract

The utility model discloses a small-space torsion-adjustable pivot device, which comprises a fixed bearing frame, a movable bearing frame, a rotating shaft, torsion pieces and a torsion mechanism, wherein the fixed bearing frame and the movable bearing frame are respectively provided with a mounting structure which is used for being fixedly connected with two sides of a product which can rotate relatively, one end of the rotating shaft is fixedly connected with the movable bearing frame, the other end of the rotating shaft can be rotatably mounted on a fixed frame, the torsion mechanism is mounted at the end part of the other end of the rotating shaft, the rotating shaft is also provided with a circle of radial outward convex ring, the fixed bearing frame is tightly clamped between the torsion mechanism and the radial outward convex ring, the torsion mechanism provides friction torsion for the rotation of the rotating shaft, one end of at least one torsion piece is fixedly mounted on the fixed frame, the other end of the torsion piece forms a torsion sleeve which can elastically stretch out and draw back in the inner diameter, and the torsion sleeve is tightly sleeved outside the circumference of the rotating, the method is beneficial to the realization of the miniaturization design scheme of openable products such as notebook computers.

Description

Small-space torsion-adjustable pivot device

Technical Field

The present invention relates to a linkage pivot, and more particularly to a pivot device suitable for installation in a small space such as an electronic device.

Background

At present, many electronic products needing to be opened and closed need to be assembled by adopting a pivot device, for example, a host and a display screen of a notebook computer are connected by the pivot device in an openable and closable manner, a common shaft counter mostly adopts two rotating shafts to be in gear engagement transmission, and then the torque is provided by a torque part to realize the pivot device. The notebook computer has a miniaturized and thinned design, the pivot device needs to be installed in a narrow space, and the installation in the narrow space cannot be realized by the conventional pivot device design scheme.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides an adjustable pivot ware of little space torsion, this adjustable pivot ware of little space torsion simple structure can install in narrow and small space, and can finely tune pivot ware torsion value as required, convenient to use, comfortable.

The utility model discloses a solve the technical scheme that its technical problem adopted and be: the utility model provides an adjustable pivot ware of little space torsion, includes fixed bolster, activity bolster, pivot, torsion piece and torsion mechanism, be equipped with respectively on fixed bolster and the activity bolster be used for with but relative pivoted product both sides fixed connection's mounting structure, pivot one end and activity bolster fixed connection, the pivot other end can the pivoted install on the mount, the tip of the pivot other end is installed to the torsion mechanism, still be equipped with a circle radial evagination ring in the pivot, fixed bolster closely presss from both sides and locates between torsion mechanism and the radial evagination ring, torsion mechanism provides friction torsion for the pivot rotation, at least one torsion piece one end fixed mounting is on the mount, torsion piece other end forms the torsion cover that the internal diameter can elastically stretch out and draw back, the torsion cover closely overlaps and locates the pivot circumference outside.

As a further improvement of the utility model, the torsion sleeve at the other end of the torsion sheet is of an annular structure with an opening gap on the side wall.

As a further improvement of the utility model, the torsion sleeve of the torsion sheet and the side wall right opposite to the opening gap are provided with arc-shaped concave crack-stopping grooves.

As a further improvement of the utility model, the edge of the opening seam of the other end of the torque plate forms a fillet structure.

As a further improvement, be formed with the U-shaped installation department on the mount, be equipped with the shaft hole on the wall of U-shaped installation department both sides, in the shaft hole on the wall of U-shaped installation department both sides was worn to locate by the pivot, the U-shaped installation department of holding in the stationary blade that at least one torsion piece was stacked.

As a further improvement of the utility model, torque piece one end is riveted on mount U-shaped installation department both sides wall through at least one rivet.

As a further improvement, the mount includes first bearer and second bearer, first bearer is L shape structure, and second bearer one end is formed with L shape connecting portion, and the second bearer other end is formed with the installation department that is on a parallel with the activity bearer, the mounting structure of fixed bearer is located the installation department that the second bearer was put up, first bearer one lateral wall passes through connecting piece fixed connection with second bearer L shape connecting portion one lateral wall, and another lateral wall interval arrangement of first bearer another lateral wall and second bearer L shape connecting portion forms the both sides wall of U-shaped installation department.

As a further improvement of the utility model, the first bearing frame side wall and the second bearing frame L-shaped connecting part side wall are riveted and fixed by at least two rivets.

As a further improvement, the pivot other end is formed with the external screw thread, and torsion mechanism includes butterfly gasket, nut, the surperficial friction gasket who forms concave-convex pattern, and the nut is in the external screw thread spiro union of the pivot other end, and the cover that a plurality of butterfly gaskets stacked is located on the pivot other end, and two at least friction gasket axial can slide and the cover of circumferencial direction locking is located in the pivot, and the friction gasket distributes in butterfly gasket combination both sides, and friction gasket's friction surface in close contact with fixes bearing frame lateral wall and nut lateral wall.

The utility model has the advantages that: the utility model discloses a rotatable coupling of activity bearer and fixed bearer is realized in the pivot to provide friction torsion through torsion mechanism, provide circumferencial direction's interference torsion simultaneously through the torsion piece, make the pivot ware guarantee abundant rotation torsion value under the small-size condition, and the torsion value of the whole pivot ware of nut fine setting that torsion mechanism was adjusted to the accessible, make the pivot ware torsion suitable when using, the notebook computer opens and shuts and feels more comfortable, the utility model discloses a structure at the installation torsion piece that the fixed bearer is compact has realized the miniaturized design of pivot ware, is convenient for it installs and uses in narrow and small space, is favorable to the realization of the miniaturized design scheme of openable product such as notebook computer.

Drawings

Fig. 1 is an exploded view of the present invention;

FIG. 2 is a perspective view of the present invention;

FIG. 3 is a front view of the present invention;

fig. 4 is a top view of the present invention;

FIG. 5 is a right side view of the present invention;

fig. 6 is a perspective view of the torque plate of the present invention.

Detailed Description

Example (b): a small-space torsion-adjustable pivot device comprises a fixed bearing frame, a movable bearing frame 1, a rotating shaft 2, torsion pieces 3 and a torsion mechanism 4, wherein mounting structures used for being fixedly connected with two sides of a product capable of rotating relatively are arranged on the fixed bearing frame and the movable bearing frame 1 respectively, one end of the rotating shaft 2 is fixedly connected with the movable bearing frame 1, the other end of the rotating shaft 2 can be rotatably mounted on the fixed frame, the torsion mechanism 4 is mounted at the end part of the other end of the rotating shaft 2, a ring of radial outward convex ring 5 is further arranged on the rotating shaft 2, the fixed bearing frame is tightly clamped between the torsion mechanism 4 and the radial outward convex ring 5, the torsion mechanism 4 provides friction torsion for the rotation of the rotating shaft 2, one end of at least one torsion piece 3 is fixedly mounted on the fixed frame, the other end of the torsion piece 3 forms a torsion sleeve 6 with an inner diameter capable of elastic expansion, and the torsion sleeve.

When the pivot device is used, the fixed bearing frame is installed on a host through the installation structure, the movable bearing frame 1 is fixedly installed on a rotatable display screen through the installation structure, the movable bearing frame 1 is rotated to open and close the display screen, in the process that the rotating shaft 2 rotates along with the movable bearing frame 1, on one hand, the rotating shaft is subjected to the action of friction torque of the torque mechanism 4 to generate rotating torque, on the other hand, the outer side surface of the circumference of the rotating shaft is interfered with the torque sheet 3 to generate interference torque, and the rotating shaft 2 can keep the display screen installed on the movable bearing frame 1 in a stable open state under the action of double torques.

The torsion sleeve 6 at the other end of the torsion sheet 3 is of an annular structure with an opening gap 7 on the side wall. Make the 6 lateral walls of torsion cover take place elastic deformation when inserting pivot 2 through opening gap 7 on the 6 lateral walls of torsion cover, realize the tight friction of interference with pivot 2, and then realize interfering the provision of torsion, moreover, the steam generator is simple in structure, torsion piece 3 best adopts the spring steel to make, guarantee the 6 lateral walls of torsion cover elastic deformation interference torsion's of torsion cover provision, except this kind of opening gap 7's structure, can also be the ring cover structure that elastic material made, realize the elastic expansion of internal diameter through the elastic force of its material itself, can also be jump ring class, lock hoop class etc., this for the equivalent alternative structure that technical staff in the field think very easily according to this patent.

And a circular arc-shaped inward concave crack-stopping groove 8 is formed on the side wall of the torsion sleeve 6 of the torsion sheet 3, which is opposite to the opening gap 7. The structure can effectively prevent the situation that the side wall is cracked due to elastic deformation when the torsion sleeve 6 interferes with the rotating shaft 2, and ensure the stable use of the torsion sleeve.

The edge of the opening seam edge at the other end of the torque sheet 3 forms a fillet structure. The installation of the rotating shaft 2 is convenient, and the rotating shaft 2 is prevented from being scratched and stuck.

Be formed with the U-shaped installation department on the mount, be equipped with the shaft hole on U-shaped installation department both sides wall, pivot 2 wears to locate the shaft hole on U-shaped installation department both sides wall, and what 3 stacks of at least one torsion bar holds in the U-shaped installation department of stationary blade. Through the accommodation of U-shaped installation department to torsion piece 3 and the installation to countershaft 2, simple structure, occupation space is little, compact structure is favorable to the miniaturized design of pivot ware.

One end of the torsion sheet 3 is riveted on two side walls of the U-shaped mounting part of the fixing frame through at least one rivet 9. The rivet 9 which is optimally arranged for two intervals is riveted and installed, so that the torsion sheet 3 is prevented from being dislocated in the rotating process of the rotating shaft 2.

The mount includes first bearer 10 and second bearer 11, first bearer 10 is L shape structure, and second bearer 11 one end is formed with L shape connecting portion, and second bearer 11 other end is formed with the installation department that is on a parallel with activity bearer 1, the mounting structure of fixed bearer is located the installation department of second bearer 11, first bearer 10 a lateral wall passes through connecting piece fixed connection with second bearer 11L shape connecting portion a lateral wall, and first bearer 10 another lateral wall and second bearer 11L shape connecting portion another lateral wall interval arrangement form the both sides wall of U-shaped installation department. The fixed bearing frame is formed by combining the first bearing frame 10 and the second bearing frame 11 which are L-shaped, so that the torsion pieces 3 can be conveniently installed, the structure is simple, the torsion pieces can be machined and manufactured through hardware stamping, the manufacturing cost is low, and the quantity of the torsion pieces 3 and the size of the pivot device can be adjusted according to the installation space.

One side wall of the first bearing frame 10 and one side wall of the L-shaped connecting part of the second bearing frame 11 are riveted and fixed through at least two rivets 9.

The other end of the rotating shaft 2 is provided with an external thread, the torsion mechanism 4 comprises butterfly gaskets 12, a nut 13 and friction gaskets 14 with concave-convex patterns formed on the surfaces, the nut 13 is in threaded connection with the external thread at the other end of the rotating shaft 2, the butterfly gaskets 12 are sleeved on the other end of the rotating shaft 2 in a stacked mode, at least two friction gaskets 14 are axially arranged on the rotating shaft 2 in a sliding mode and are locked in the circumferential direction, the friction gaskets 14 are distributed on two combined sides of the butterfly gaskets 12, and friction surfaces of the friction gaskets 14 are in tight contact with and fix the side wall of the bearing frame and the side. The axial elasticity of the butterfly washer 12 and the friction force of the friction washer 14 provide the rotation torque of the spindle 2, and the relative movement of the plane cam set with the concave-convex matching also provides the torque, and the like.

Claims (9)

1. The utility model provides an adjustable pivot ware of little space torsion which characterized in that: the torsion mechanism is characterized by comprising a fixed bearing frame, a movable bearing frame (1), a rotating shaft (2), torsion sheets (3) and a torsion mechanism (4), wherein the fixed bearing frame and the movable bearing frame are respectively provided with a mounting structure which is used for being fixedly connected with two sides of a product which can rotate relatively, one end of the rotating shaft is fixedly connected with the movable bearing frame, the other end of the rotating shaft can be rotatably mounted on the fixed frame, the end part of the other end of the rotating shaft is mounted on the torsion mechanism, the rotating shaft is further provided with a ring of radial outward convex rings (5), the fixed bearing frame is tightly clamped between the torsion mechanism and the radial outward convex rings, the torsion mechanism provides friction torsion for the rotation of the rotating shaft, one end of at least one torsion sheet is fixedly mounted on the fixed frame, the other end of the torsion sheet forms a torsion sleeve (6.

2. The small space torsionally adjustable pivot device of claim 1, wherein: the torsion sleeve at the other end of the torsion sheet is of an annular structure with an opening gap (7) on the side wall.

3. The small space torsionally adjustable pivot device of claim 2, wherein: and a circular arc-shaped inward concave crack-stopping groove (8) is formed on the side wall of the torsion sleeve of the torsion sheet, which is opposite to the opening gap.

4. The small space torsionally adjustable pivot device of claim 2, wherein: and the opening seam edge at the other end of the torque sheet forms a fillet structure.

5. The small space torsionally adjustable pivot device of claim 1, wherein: be formed with the U-shaped installation department on the mount, be equipped with the shaft hole on U-shaped installation department both sides wall, the pivot is worn to locate in the shaft hole on U-shaped installation department both sides wall, and what at least one torsion piece was stacked holds in the U-shaped installation department of stationary blade.

6. The small space torsionally adjustable pivot device of claim 5, wherein: one end of the torsion sheet is riveted on two side walls of the U-shaped mounting part of the fixing frame through at least one rivet (9).

7. The small space torsionally adjustable pivot device of claim 1, wherein: the mount includes first bearing frame (10) and second bearing frame (11), first bearing frame is L shape structure, and second bearing frame one end is formed with L shape connecting portion, and the second bearing frame other end is formed with the installation department that is on a parallel with the activity bearing frame, the mounting structure of fixed bearing frame is located the installation department that the second supported the frame, first bearing frame one side wall passes through connecting piece fixed connection with second bearing frame L shape connecting portion one side wall, and first bearing frame another side wall and second bearing frame L shape connecting portion another side wall interval arrangement form the both sides wall of U-shaped installation department.

8. The small space torsionally adjustable pivot device of claim 7, wherein: and one side wall of the first bearing frame and one side wall of the L-shaped connecting part of the second bearing frame are riveted and fixed through at least two rivets.

9. The small space torsionally adjustable pivot device of claim 8, wherein: the other end of the rotating shaft is provided with an external thread, the torsion mechanism comprises butterfly gaskets (12), a nut (13) and friction gaskets (14) with concave-convex patterns formed on the surfaces, the nut is in threaded connection with the external thread at the other end of the rotating shaft, the butterfly gaskets are sleeved on the other end of the rotating shaft in an overlapped mode, at least two friction gaskets are axially arranged on the rotating shaft in a sliding mode and are locked in the circumferential direction, the friction gaskets are distributed on two sides of the butterfly gasket combination, and friction surfaces of the friction gaskets are in tight contact with and fix the side wall of the bearing frame and the.

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