CN201039246Y - Pivot device with positioning function - Google Patents

Abstract

A hinge device with a positioning function comprises: a base, a first bracket, a vertical axis, a second bracket and a vertical positioning component; the first bracket is arranged on the base in a horizontally rotatable manner through the vertical axis, the second bracket is arranged on the base in a rotatable manner through two horizontal axes, and the vertical positioning component is arranged between the second bracket and the base, and can position the second bracket on the base at several specific angles relative to the first bracket.

Description

Hub with positioning function

technical field

The utility model belongs to a hinge device, in particular to a hinge device with a positioning function.

Background technique

Currently popular clamshell mobile phones are provided with a hinge between the base and the top cover so that the top cover and the base can be folded or unfolded. The hinges currently used in mobile phones have a first bracket and a second bracket, the first bracket is connected to the base, the second bracket is connected to the upper cover, and the two brackets are connected through two pivots, so that the second bracket can pivot horizontally and vertically relative to the first bracket .

In addition, a positioning structure is provided between the first bracket and the second bracket, so that the upper cover can be positioned at a specific angle relative to the base. However, dust may accumulate between components in which the positioning structure is exposed, resulting in a reduced effect of the positioning structure.

Contents of the invention

According to the problem of dust accumulation between the positioning structure components of the existing hinge device, the creator of the utility model improved its shortcomings and defects, and then developed a hinge device with a positioning function in the utility model.

The main purpose of the utility model is to provide a hinge with a positioning function. The positioning structure of the hinge is covered with a sleeve so as to prevent dust from accumulating between the components of the positioning structure.

For reaching above-mentioned purpose, be to make aforementioned hub include:

A base, a positioning plate and a fixing plate protruding vertically from its two sides, two inner positioning grooves are formed on the outside of the positioning plate, and a pivot is formed on the fixing plate protruding outward;

A first bracket is arranged on the base in a horizontally rotatable manner;

A vertical shaft is installed on the base in a horizontally rotatable manner, and the bottom end is fixed to the first bracket so that the first bracket can rotate horizontally relative to the base;

A second bracket is arranged on the base in a vertically rotatable manner, and is composed of a first connecting plate, a first horizontal shaft and a second connecting plate, and the first connecting plate is vertically rotatable Set on the positioning plate of the base, the first horizontal shaft is rotatably passed through the positioning plate and its outer end is fixed with the first connecting plate, and the second connecting plate is rotatably arranged on the base on the pivot of the fixed plate and has a shaft hole for the pivot to pass through; and

A vertical positioning component is arranged between the base positioning plate and the first connecting plate of the second bracket, and includes a sleeve, an inner positioning ring, an outer positioning ring, a spring and an outer positioning plug. The barrel is hollow and fitted on the first horizontal shaft. The inner end of the sleeve is integrally formed on the positioning plate. The inner positioning ring is slidable and non-rotatable and fitted on the first horizontal shaft and is adjacent to the positioning plate. And there are two inner positioning blocks corresponding to the inner positioning grooves formed on it, the outer positioning ring is slidable and non-rotatable on the first horizontal shaft, and two outer positioning blocks are formed on it, the spring It is fitted on the first horizontal shaft and is located between the inner positioning ring and the outer positioning ring. The outer positioning plug is rotatably fitted on the first horizontal shaft, fixed with the outer end of the sleeve and connected with the outer end of the sleeve. The outer positioning ring is adjacent, and two outer positioning grooves corresponding to the outer positioning blocks are formed on it.

Utilizing the above-mentioned technical means, the first bracket and the second bracket can be arranged on the body and the upper cover of a clamshell device respectively, and the vertical positioning component is for the second bracket to be positioned relative to the first bracket at an angle between them of 0 degree or 180 to prevent the upper cover from rotating arbitrarily relative to the main body. The outer sleeve covers the positioning rings and springs of the vertical positioning assembly to prevent the vertical positioning assembly from failing due to dust accumulation, thereby increasing the life of the hinge.

Two positioning grooves are formed on the bottom of the aforementioned base. A horizontal positioning and limiting component is arranged on the base and the vertical shaft, and includes a positioning ring, a limiting protrusion and a limiting ring. The positioning ring can be used to The vertical shaft is slipped and non-rotatable, and there are two positioning blocks corresponding to the positioning grooves of the base protruding from it. The limiting ring protrudes radially outward from the top of the vertical shaft, and the upper A semi-circular stopper is formed, the stopper is integrally formed on the top of the base, the stopper ring is formed on the top of the vertical shaft and protrudes radially outward, and a stopper is formed on it Corresponding semi-circular limit block.

A limiting protrusion is formed on the inner wall of the aforementioned base positioning plate, and a semi-circular limiting block is formed on the periphery of the baffle plate of the first horizontal axis. points abut against further rotation of the first horizontal axis.

A plurality of outer fixing grooves are formed on the outer end of the aforementioned sleeve, and a plurality of outer fixing blocks respectively fixed to the outer fixing grooves are formed on the outer edge of the outer positioning plug.

Brief description of the drawings

Fig. 1A is a perspective view of the utility model.

Fig. 1B is another perspective view of the utility model.

Fig. 2 is a three-dimensional exploded view of the utility model.

Fig. 3 is another three-dimensional exploded view of the utility model.

Fig. 4 is a front sectional view of the utility model.

Fig. 5 is a top view of the utility model.

Fig. 6 is a schematic diagram of the operation of the utility model following Fig. 5 .

Fig. 7 is a right view of the utility model.

Fig. 8 is a schematic diagram of the operation of the utility model following Fig. 7 .

Fig. 9 is another schematic view of the utility model following Fig. 7

Detailed ways

Please refer to Fig. 1A, 1B, 2, the pivot device with positioning function of the present invention can be arranged on the body and the upper cover of a clamshell device, and includes: a base 10, a first bracket 20, a vertical The shaft 30 , a horizontal positioning and limiting component 40 , a second bracket 50 and a vertical positioning component 60 .

Please refer to Fig. 3-4, a shaft hole 11 is formed through the base 10, and a positioning plate 12 and a fixing plate 13 protrude vertically from the two sides respectively, a perforation 121 is formed through the positioning plate 12, and a There are two inner positioning slots 125 , a pivot 131 protruding from the top of the fixing plate 13 , and two positioning slots 111 are formed at the bottom of the base 10 .

The first bracket 20 is arranged on the base 10 in a horizontally rotatable manner, and a non-circular hole 21 is formed on the first bracket.

The vertical shaft 30 has a non-circular cross-section, is horizontally rotatable and is installed on the base 10, and the bottom end passes through the non-circular hole 21 of the first bracket 20 so as to be fixed with the first bracket 20, so that the second bracket 20 A bracket 20 can rotate horizontally relative to the base 10 .

The horizontal positioning and limiting assembly 40 is arranged on the base 10 and the vertical shaft 30, and includes a positioning ring 41, a spring 45, a limiting protrusion 43 and a limiting ring 42; the positioning ring 41 is based on The vertical shaft 30 is slidable and non-rotatable, and two positioning blocks 411 corresponding to the positioning grooves 111 of the base 10 protrude from it, whereby the positioning grooves 111 and the positioning blocks 411 can be combined. Position the first bracket 20 in the horizontal direction, and rotate the first bracket 20 horizontally with an appropriate force to make the positioning groove 111 and the positioning block 411 disengage from each other and release the positioning effect; the spring 45 is worn on the vertical shaft 30 to The two ends are pressed against the first bracket 20 and the positioning ring 41 respectively, thereby forcing the positioning ring 41 to abut against the bottom of the base 10; Top; the limit ring 42 protrudes radially outward from the top of the vertical shaft 30, and a semi-circular limit block 421 corresponding to the limit protrusion 43 is formed on it, whereby when the semi-circular When one of the two ends of the limiting block 421 abuts against the limiting protrusion 43 , it can limit the vertical shaft 30 from further pivoting, as shown in FIGS. 5-6 .

The second bracket 50 is arranged on the base 10 in a vertically rotatable manner, as shown in Figures 7-9, and is composed of a first connecting plate 51, a first horizontal shaft 53 and a second connecting plate 52 ; The first connecting plate 51 is arranged on the positioning plate 12 of the base 10 in a vertically rotatable manner, and has a through non-circular hole, and the first horizontal shaft 53 has a non-circular cross section, and is rotatably Its outer end of the perforation 121 passing through the positioning plate 12 is fixed in the non-circular hole of the first connecting plate 51, and a baffle plate against the positioning plate 12 is formed on its inner end; the second connecting plate 52 is It is rotatably arranged on the pivot 131 of the fixed plate 13 of the base 10, and a shaft hole is formed on the second connecting plate 52 for the pivot 131 to pass through. The pivot 131 can be a hollow tube , after passing through the shaft hole, the end is subjected to beating and bent outwards through riveting to fix the second connecting plate.

The vertical positioning assembly 60 is arranged between the positioning plate 12 of the base 10 and the first connecting plate 20 of the second bracket 50, and includes a sleeve 61, an inner positioning ring 62, an outer positioning ring 63, and a spring 64 and an outer positioning plug 65; the sleeve 61 is hollow and fits on the first horizontal shaft 53, and the inner end of the sleeve 61 is integrally formed on the positioning plate 12, the inner positioning ring 62 is slidable but not The rotation mode is threaded on the first horizontal shaft 53 and is close to the positioning plate 12, and two inner positioning blocks 621 corresponding to the inner positioning groove 125 are formed on it; the outer positioning ring 63 is slidable and non-rotatable. Sleeved on the first horizontal shaft 53, and two outer positioning blocks 631 are formed thereon; the spring 64 is worn on the first horizontal shaft 53, and is located between the inner positioning ring 62 and the outer positioning ring 63; the outer The positioning plug 65 is rotatably worn on the first horizontal shaft 53, fixed with the outer end of the sleeve 61 and adjacent to the outer positioning ring 63, and is formed with two corresponding outer positioning blocks 631. Outer positioning groove 651; By this, when this first horizontal shaft 53 rotates, drive inner and outer positioning rings 62,63 to rotate together, and the inner and outer positioning blocks 621,631 of the inner and outer positioning rings 62,63 are respectively aligned with the positioning plate 12 and the inner and outer positioning grooves 121, 651 of the outer positioning plug 65 can be combined to locate the vertical steering of the second bracket 50, and the positioning effect can be released by rotating the second bracket 50 vertically with an appropriate force.

Preferably, a limiting bump 123 is formed on the inner side wall of the positioning plate 12 of the base 10, and a semi-circular limiting block 531 is formed on the periphery of the baffle plate of the first horizontal shaft 53. The semi-circular limiting block The two ends of 531 can respectively abut against the limiting protrusion 123 so as to limit the first horizontal shaft 53 from further rotation, as shown in FIGS. 8-9 .

Preferably, a plurality of outer fixing grooves 615 are formed on the outer end of the sleeve 61, and a plurality of outer fixing blocks 655 are formed on the outer edge of the outer positioning plug 65 to be respectively fixed to the outer fixing grooves 615.

Utilizing the above-mentioned technical means, the first bracket 20 and the second bracket 50 can be arranged on the body and the upper cover of the clamshell device respectively, and the vertical positioning assembly 60 is for the second bracket 50 to be positioned between the two relative to the first bracket 20. When the angle is 0 degrees or 180 degrees, it prevents the upper cover from rotating arbitrarily relative to the main body. The outer sleeve 61 wraps the positioning rings 62, 63 and springs 64 of the vertical positioning assembly to avoid the vertical positioning assembly due to dust accumulation. 60 failures, which can increase the life of the hub.

Claims (4)

1. the pivot device of a tool positioning function is characterized in that including:

The vertical respectively projection of one pedestal, its two side has a location-plate and a fixed head, and this location-plate outside is formed with location notch in two, and outside projection is formed with a pivot on this fixed head;

One first support is to be arranged on the pedestal can horizontally rotate mode;

One vertical axis is to run through and be arranged on the pedestal can horizontally rotate mode, and the bottom sets firmly mutually with first support, makes first support rotate relative to base level;

One second support, be to be arranged on the pedestal in vertically rotating mode, constituted by one first web, one first trunnion axis and one second web, this first web is to be arranged on the pedestal location-plate in vertically rotating mode, this first trunnion axis is to wear this location-plate and its outboard end sets firmly mutually with first web with rotary way, this second web is to be arranged on the pivot of pedestal fixed head with rotary way, and has an axis hole and pass for this pivot; And

One perpendicular positioning assembly, be arranged between first web of the pedestal location-plate and second support, and include a sleeve, locating ring in one, one outer positioning ring, one spring and an outside fix plug, this sleeve is a hollow, be set on first trunnion axis, the sleeve medial extremity is to be shaped on the location-plate, should in locating ring be to be set on first trunnion axis and to be close to location-plate with rotary way slidably and not, and be formed with on it two with interior location notch corresponding in locating piece, this outer positioning ring is to be set on first trunnion axis with rotary way slidably and not, and be formed with two outside fix pieces on it, this spring is to be set on first trunnion axis, and between interior locating ring and outer positioning ring, this outside fix plug is to be set on first trunnion axis with rotary way, set firmly mutually with the sleeve outboard end and adjacent with outer positioning ring, and be formed with on it two with the corresponding outside fix groove of outside fix piece.

2. according to the pivot device of the described tool positioning function of claim 1, it is characterized in that this base bottom is formed with two location notchs, one horizontal location and limit assembly are arranged on pedestal and the vertical axis, and include a locating ring, one spring, an one spacing projection and a spacing ring, this locating ring is to be set on the vertical axis with rotary way slidably and not, and on it projection be formed with two with the corresponding locating piece of pedestal location notch, this spring is to be set on the vertical axis and to be tight against first support and locating ring respectively with two ends, this spacing projection is one-body molded at the pedestal top, this spacing ring is formed in the projection radially outward of vertical axis top, and be formed with on it one with the corresponding semicircular guide vane end stop of spacing projection.

3. according to the pivot device of the described tool positioning function of claim 2, it is characterized in that being formed with a spacing salient point on this pedestal location-plate madial wall, be formed with a semicircular guide vane end stop on the baffle plate periphery of this first trunnion axis, these semicircular guide vane end stop two ends can lean with this spacing salient point respectively and must not further rotate so that limit first trunnion axis.

4. according to the pivot device of claim 1,2 or 3 described tool positioning functions, it is characterized in that being formed with on this sleeve outboard end plural external fixation groove, this outside fix is formed with the external fixation piece that plural number sets firmly mutually with these external fixation grooves respectively beyond the Great Wall on the edge.

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