CN209875715U - Horizontal-axis side-riveting type composite-superposed driven rotary pause and pause positioning type pivot device - Google Patents

Abstract

The utility model relates to a straight-shaft side-riveting type composite superposed driven rotary pause and stop locating type pivot device, it is characterized by at least comprising a hinge pivot which rotates relatively and a straight shaft which is inserted and limited in the hinge pivot, wherein the straight shaft comprises a shaft head end and a flat shaft end, a plurality of damping round wheels, a plurality of positioning round wheels, a rotary limiting cam and a composite driven cam, wherein the damping round wheels, the positioning round wheels and the rotary limiting cam are sequentially clamped at the front and the back of the flat shaft end in a sleeved mode, the positioning round wheels are provided with flat holes which are matched and fixed with the flat body part of the flat shaft end, the composite driven cam also comprises a plurality of superposed driven cams which synchronously rotate with the rotary limiting cam, and washers are arranged among the rotation limiting cam, the compound driven cam and the superposition driven cam, and the rivet is arranged to penetrate through the rotary limiting cam, the gasket, the composite driven cam and the superposed driven cam, and the end part of the flat shaft end is provided with a fixed limiting screw.

Description

Horizontal-axis side-riveting type composite-superposed driven rotary pause and pause positioning type pivot device

Technical Field

The utility model relates to a pivot device, specifically speaking relates to have automatic damping time delay, gentle rotatory expansion or fold up, limit pause and frustrate spacing characteristics, be applicable to a driven rotational positioning type pivot device of formula is riveted to a word axle side that foldable or flip formula folded up the product.

Background

The use and consumption of various foldable products such as foldable products or flip-type products are very common in the existing market, especially including a plurality of portable electronic terminals such as computers and mobile phones, and the advantages of the foldable products include that the foldable products can be adjusted according to the actual needs of consumers, and the foldable products are convenient to package, transport, store, carry and use, but the existing foldable products generally have the following disadvantages or shortcomings in the rotating process of specific use: or when the foldable bicycle is rotated, unfolded or folded, the hinge is too loose and has no pause feeling, the hand feeling is uncomfortable, the consumption grade of the product is damaged, and even worse hinges can not realize the limiting function when being rotated and opened; or when the folding and unfolding mechanism rotates and unfolds or folds, the hinge is too tight, and although the folding and unfolding mechanism has a pause feeling, the folding and unfolding mechanism has the defects that when the folding and unfolding mechanism rotates and unfolds or folds, the buffering of smooth rotation and limiting cannot be felt, namely the characteristic that automatic damping delay time is delayed and the rotation is gentle is not provided, when the folding and unfolding mechanism rotates to two poles, the pause feeling and the limiting have no jerky hand feeling, namely the weight and the jerky are not provided, and the tightness and the coordination of the structure between hinge accessories are not felt. Therefore, with the continuous development of science and technology and the continuous update of products, the hinge device of the existing product still needs to be further improved and innovated to meet the actual needs of the market in the future.

Disclosure of Invention

The utility model aims to solve the technical problem that a location type pivot device is frustrated to compound rotatory pause and pause of stacking of a word axle side riveting formula is provided, rotatory expansion or rotatory folding up have the characteristics of automatic damping time delay and level and smooth buffering, have obvious pause and pause when rotating two limits and frustrate limit function to the reinforcing pause and frustrate feeling and revolution mechanic's tightness and complex harmony.

The technical problem of the utility model is realized according to following technical scheme: a structural straight-shaft side-riveting type composite superposed driven rotary pause positioning type pivot device is characterized by at least comprising a hinge pivot capable of rotating relatively and a straight shaft interpenetrated and limited in the hinge pivot, wherein the straight shaft comprises a shaft head end, a flat shaft end, a plurality of damping round wheels sleeved on the flat shaft end, a plurality of positioning round wheels, a plurality of rotary limiting cams and a composite driven cam sequentially clamped from front to back, the plurality of positioning round wheels are provided with flat holes matched and fixed with the flat body part of the flat shaft end, the structural straight-shaft side-riveting type composite superposed rotary pause positioning type pivot device also comprises a plurality of superposed driven cams synchronously rotating with the rotary limiting cams, gaskets are arranged between the rotary limiting cams and the composite driven cams and the superposed driven cams, rivets are arranged to interpenetrate the rotary limiting cams, the gaskets, the composite driven cams and the superposed driven cams, and the end parts of the flat shaft end are provided with fixed limiting screws, the number of the positioning round wheels is preferably three, and the rotary limiting cam and the composite driven cam are respectively arranged between every two adjacent positioning round wheels.

According to the utility model provides a location type pivot device is put in to driven rotatory pause and pause of a word axle side riveting formula complex stack, its characterized in that is provided with concave surface or arch on the corresponding contact surface of rotatory spacing cam and two at least front and back location circle wheels, and just the rotatory spacing cam is with the corresponding contact surface of two at least front and back location circle wheels and is unsmooth pause and pause to cooperate; the composite driven cam is in damped rotating fit with corresponding contact surfaces of the front positioning round wheel and the rear positioning round wheel; the cross section of the flat body part at the flat shaft end comprises a single flat shape, a double flat shape or a rectangle shape.

According to the utility model provides a compound driven rotatory pause and pause in of compound stack of word axle side riveting formula is located type pivot device, a serial communication port, the spindle nose end of word axle is round including the tooth, the toothless is round, there is the single flat type of tooth, the single flat type of toothless, there is two flat types of tooth, the two flat types of toothless, the toothless rectangular type.

Realize the utility model discloses a compound rotatory pause and pause in of compound stack of formula is riveted to a word axle side and is frustrated location type pivot device has following advantage: through automatic damping time delay effect, compound unsmooth cooperation limiting displacement and the driven cushioning effect of synchronous stack, realize that the relevant product of folding up is gently rotatory to expand or fold up the function, wherein strengthened the engaging force of unsmooth contact surface with rotatory torsion, especially including rotating the pause or pause of two limits when frustrating limit function and obviously having the travelling comfort and frustrate and feel, effectively promoted revolution mechanic's tightness and complex harmony, and, the utility model discloses novel structure, rational in infrastructure, ingenious, nimble, the practicality is strong, implements easily, and market potential is big.

[ description of the drawings ]

Fig. 1 is a schematic structural view of the hinge device of the present invention;

fig. 2 is an exploded schematic view of the hinge device of the present invention;

FIG. 3A is a cross-sectional view of a straight shaft with a crenellated circle at the head end;

FIG. 3B is a cross-sectional view of the stub shaft end of the in-line shaft in a toothless circular configuration;

FIG. 3C is a cross-sectional view of the stub shaft end of the straight shaft in a single flat configuration with teeth;

FIG. 3D is a cross-sectional view of the stub shaft end of the quill being of a toothless single flat type;

FIG. 3E is a cross-sectional view of the stub shaft end of the in-line shaft in a toothed, double-flat configuration;

FIG. 3F is a cross-sectional view of the stub shaft end of the in-line shaft in a toothless, double-flat shape;

FIG. 3G is a cross-sectional view of the stub end of the in-line shaft in a toothless rectangular shape.

[ detailed description ] embodiments

The utility model discloses a location type pivot device is put in pause in compound driven rotation of a word axle side riveting formula stack, as shown in figure 1, figure 2, include the hinge pivot of relative rotation and alternate a word axle 1 of spacing in this hinge pivot at least, a word axle 1 includes flat axle end 11 and spindle nose end 12, and the damping round wheel 2 that cup joints in this flat axle end 11, location round wheel 3 and preceding and following rotation limit cam 5 and compound driven cam 6 that centre gripping respectively in proper order, in the concrete implementation, damping round wheel 2 is preferred four, location round wheel 3 is preferred three, rotation limit cam 5 and compound driven cam 6 are preferred one respectively, location round wheel 1 all is provided with flat hole 30 and flat body part matching of flat axle end 11 is fixed, still include the stack driven cam 61 with rotatory limit cam 5 synchronous rotation, the quantity of stack driven cam 61 is preferred two, and be provided with packing ring 7 between rotation limit cam 5 and compound driven cam 6 and stack driven cam 61, specifically, the two washers 7 are adopted, the rivet 8 is adopted to sequentially penetrate the rotary limiting cam 5, the first washer 7, the composite driven cam 6, the second washer 7 and the two superposed driven cams 61, and the screw 9 is arranged at the end part of the flat shaft end 11 for fixing and limiting.

The utility model discloses in the specific implementation in-process, refer to as in fig. 1, fig. 2 shows, be provided with concave surface or arch on rotatory stop cam 5 and front and back two location circle wheel 3's the corresponding contact surface, concave surface or arch have the slope, and rotatory stop cam 5 is unsmooth pause and frustrates the cooperation with front and back two location circle wheel 3's the corresponding contact surface, compound driven cam 6 is damping normal running fit with front and back two location circle wheel 3's the corresponding contact surface, concave surface and bellied engaging force on the corresponding contact surface of rotatory stop cam 5 and front and back two location circle wheel 3 have been increased, thereby the torsion of relative rotation hinge has been promoted, when concrete implementation, the cross section of the flat body part of flat axle end 11 includes single flat, two flat or rectangle.

When the concrete implementation, it is preferred a pair of the utility model discloses the product, the spindle nose end of its one of them word axle adopts in opposite directions, the symmetry sets up to alternate respectively and be fixed in the relative pivoted hinge pivot. The spindle nose end of a word axle can adopt circular or flat shape, and its concrete structure includes: a toothed circular shape is used, as shown in reference to fig. 3A; a toothless circular shape is used, as shown with reference to fig. 3B; a toothed single flat type is used, as shown in fig. 3C; a toothless single flat type is adopted, as shown in reference to fig. 3D; a toothed double flat type is used, as shown in fig. 3E; a toothless double flat type is adopted, as shown in reference to fig. 3F; a toothless rectangular type is used as shown with reference to fig. 3G.

The utility model discloses a compound rotatory pause and pause of driven rotation of formula is riveted to a word axle side is frustrated location type pivot device, be applicable to portable, deposit, the packing, foldable or flip formula product of folding up of transportation, including notebook computer, folding or flip cell-phone, a great deal of portable products such as solar energy folding battery and electronic terminal, when specifically using rotatory expansion or rotatory folding up, have the characteristics of automatic damping time delay and level and smooth buffering, especially realize having pause and pause the limit function when rotating two limits, have pause and pause the function of feeling of delaying promptly, and, the leakproofness and the complex harmony of protruding structure that shows, the practicality is stronger, market potential is great, has effectively promoted the grade of product in addition.

Claims (6)

1. A straight-shaft side-riveting type composite superposed driven rotary bump positioning type pivot device is characterized by at least comprising a hinge pivot rotating relatively and a straight shaft inserted and limited in the hinge pivot, wherein the straight shaft comprises a shaft head end and a flat shaft end, a plurality of damping round wheels, a plurality of positioning round wheels, a rotary limiting cam and a composite driven cam, wherein the damping round wheels, the positioning round wheels and the rotary limiting cam are sequentially clamped at the front and the back of the flat shaft end in a sleeved mode, the positioning round wheels are provided with flat holes which are matched and fixed with the flat body part of the flat shaft end, the composite driven cam also comprises a plurality of superposed driven cams which synchronously rotate with the rotary limiting cam, and washers are arranged among the rotation limiting cam, the compound driven cam and the superposition driven cam, and the rivet is arranged to penetrate through the rotary limiting cam, the gasket, the composite driven cam and the superposed driven cam, and the end part of the flat shaft end is provided with a fixed limiting screw.

2. The hinge assembly as claimed in claim 1, wherein the rotation limiting cam has a concave surface or a convex surface on the corresponding contact surface of the at least two positioning round wheels, and the rotation limiting cam is engaged with the corresponding contact surface of the at least two positioning round wheels.

3. The hinge assembly as claimed in claim 1, wherein the compound driven cam is in damped rotational engagement with the corresponding contact surfaces of the at least two front and rear positioning wheels.

4. The hinge assembly as claimed in claim 1, wherein the head end of the in-line shaft is rounded, including a toothed or non-toothed round.

5. The hub device of claim 1, wherein the head end of the in-line shaft is flat, including single flat with teeth, single flat without teeth, double flat with teeth, double flat without teeth, and rectangular without teeth.

6. A hinge assembly according to claim 1, wherein the cross-section of the flattened body portion at the flattened end comprises a single flattened shape, a double flattened shape or a rectangular shape.