CN201335091Y - Pivot device for electronic equipment - Google Patents

Abstract

The utility model discloses a pivot device for electronic equipment, install between the first body and the second body of electronic equipment, including a pair of left and right pin joint mechanism, this pin joint mechanism contains a fixing base of rigid coupling in the first body respectively, set firmly in the second body and a rotation axis of cross-under fixing base, cup joint in a cam group and a plurality of elastic gasket of rotation axis, and a rigid coupling subassembly of rigid coupling in the rotation axis and clamping each elastic gasket between it and cam group, wherein the cam group contains a quiet cam of rigid coupling in the fixing base and corresponds the quiet cam and do the selective embedment and follow the rotatory movable cam of rotation axis, a plurality of constant head tanks have been formed respectively at two corresponding terminal surfaces of movable cam, and this two movable cams that should left and right each other be pin joint mechanism are general; therefore, the die set cost of the movable cam can be saved and the use convenience can be increased.

Description

Hinge device for electronic equipment

technical field

The utility model relates to a hinge device, in particular to a hinge device installed in electronic equipment.

Background technique

With the development and progress of information technology and computer industry, there are quite a lot of electronic devices with screens and hosts, such as digital cameras, mobile phones, notebook computers or palm-sized optical drives, etc. These electronic devices are more convenient to operate and use. , A hinge device is often provided between the screen and the host, so that the screen can rotate relative to the host. However, as everyone's usage habits are different, there is a hinge device that provides low cost and easy to use. It has become an important topic studied by relevant people engaged in this industry.

The existing pivot device for electronic equipment mainly includes two pivot mechanisms installed between the host computer and the screen of the electronic equipment. A cam set for the shaft, a plurality of elastic washers, and a fixed assembly that is fixed to the rotating shaft and clamps each elastic washers, and the cam set includes a static cam fixed to the fixed seat and a corresponding static cam for selection A moving cam that is sexually fitted; thus forming a hinge device for electronic equipment.

However, the existing hinge device for electronic equipment, because its moving cam is only provided with a plurality of positioning grooves on a single end surface, and the angle between these positioning grooves is limited by the opening angle between the host and the screen, usually The practice is to install two sets of forming molds with different movable cams between the two pivotal mechanisms; in this way, the overall cost will not be effectively reduced; in addition, it depends on the elastic holding force of each elastic gasket and the end surface of each contact component. Frictional damping is used to control the upward lifting angle of the screen. Therefore, either there is a problem that the holding force is too small to make the positioning of the screen difficult, or the holding force is too large. When the screen is lifted relative to the host, the host will follow the screen. The rotation is lifted upwards; like this, all will cause the user to use the inconvenience and the difficulty of operation; And those who urgently need to be improved.

Utility model content

An object of the present invention is to provide a hinge device for electronic equipment, which can save the cost of setting up the mold of the movable cam and increase the convenience of use.

In order to achieve the above purpose, the utility model provides a hinge device for electronic equipment, the electronic equipment has a first body and a second body, the hinge device is connected to the first body and the second body , and it includes a pair of left and right pivotal mechanisms, the pivotal mechanisms respectively include a fixed seat fixed to the first body, a rotating shaft fixed on the second body and passing through the fixed seat , a cam set and a plurality of elastic washers sleeved on the rotating shaft, and a fixed component fixed on the rotating shaft and clamping the elastic washers between it and the cam set, wherein the The cam set includes a stationary cam fixed to the fixed seat and a movable cam that is selectively embedded corresponding to the stationary cam and rotates with the rotating shaft. A plurality of positioning grooves are respectively formed on two corresponding end surfaces of the movable cam. And the two moving cams of the left and right pivoting mechanisms are common to each other.

Another purpose of the present utility model is to provide a hinge device for electronic equipment, which utilizes the dislocation arrangement of the positioning grooves on the end surfaces of the moving cam, and when the second body is opened relative to the first body, it can be It has a small anti-deformation force, so that the first body does not follow the rotation of the second body and lift up.

Another purpose of the present utility model is to provide a hinge device for electronic equipment, which can control the limit rotation angles of the first body and the second body through the setting of the limit ring, effectively preventing the transition Damage caused by rotation. The beneficial effect of the utility model is that, in the hinge device used for electronic equipment provided by the utility model, the two moving cams of the left and right pivoting mechanisms are mutually common; Increase the convenience of use.

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the utility model.

Description of drawings

Fig. 1 is a three-dimensional exploded view of the right pivot joint mechanism of the present invention;

Fig. 2 is a three-dimensional exploded view of the left pivot mechanism of the present invention;

Fig. 3 is a combined schematic diagram of the hinge device of the present invention;

Figure 4A and Figure 4B are perspective views of the front and rear appearances of the moving cam of the present invention;

Fig. 5 is a schematic diagram of the combination of the hinge device of the present invention applied to an electronic photo frame;

Fig. 6 is a view of the use state of the tripod in Fig. 5 being rotated backward;

Fig. 7 is a diagram of the use state of the tripod in Fig. 5, which is rotated backward to the limit position;

8A and 8B are perspective views of the front and rear appearances of another embodiment of the movable cam of the present invention;

FIG. 9 is a schematic diagram of a combination of the hinge device of the present invention applied to a notebook computer.

Among them, reference signs

【This utility model】

1 hub device

10 right pivot mechanism

30 left pivot mechanism

11, 31 Fixing seat 111, 311 Through hole

112, 312 bump 113, 313 positioning hole

12, 32 Rotary shaft 121, 321 Spacer

122, 123, 322, 323 extension 124, 324 external thread

13, 33 Cam group 13a, 33a static cam

131a, 331a Protruding post 132a, 332a Insert

13b, 33b moving cam 131b, 331b front positioning slot

132b, 332b rear positioning groove 14, 34 elastic gasket

15, 35 Fixed component 16, 36 Limiting ring

161, 361 hook

8 electronic equipment

81 The first body 82 The second body

Detailed ways

Regarding the features and technical contents of the present utility model, please refer to the following detailed description and accompanying drawings, and the accompanying drawings are provided for reference and illustration only, and are not intended to limit the present utility model.

Please refer to Figures 1 to 4, the utility model provides a hinge device for electronic equipment, the hinge device 1 mainly includes a right pivot mechanism 10 (as shown in Figure 1) and a left pivot Mechanism 30 (shown in FIG. 2 ).

The right pivot mechanism 10 includes a fixed base 11, a rotating shaft 12, a cam group 13, a plurality of elastic washers 14 and a fixed assembly 15, the fixed base 11 is roughly a flat-bottomed U-shape, and on its side plate Provide a through hole 111 and form a protrusion 112 at the outer periphery of the through hole 111, and offer another positioning hole 113 at an appropriate position from the through hole 111; The two ends of the extension section 122, 123 protrude outward respectively, and the two extension sections 122, 123 are respectively formed with positioning planes, and an external thread 124 is formed at the end of the extension section 123, wherein the extension section 123 wears Connected to the through hole 111 of the fixing seat 11.

The cam group 13 is sleeved on the extension section 123 of the aforementioned rotating shaft 12, and it includes a static cam 13a and a moving cam 13b. The static cam 13a can be attached to the side plate of the fixed seat 11, and an embedded cam extends thereon. The above-mentioned positioning hole 113 is fixed with a boss 131a, and there are two corresponding inserts 132a protruding from the end surface of the fixed cam 13a away from the fixed seat 11; please refer to Figure 4A and Figure 4B together, the center of the movable cam 13b A capsule-shaped through hole is opened to engage and position with the positioning plane of the extension section 123, and a plurality of front positioning grooves 131b and a plurality of rear positioning grooves 132b are respectively formed on the two corresponding end surfaces of the movable cam 13b. The front positioning groove 131b on the end surface of the cam 13a is engaged with the embedded block 132a of the aforementioned static cam 13a. Also, if the front positioning groove 131b parallel to the capsule-shaped through hole of the aforementioned movable cam 13b is taken as the horizontal reference, the angle between the clockwise upward another front positioning groove 131b and the aforementioned front positioning groove 131b can be 60 degrees; Then, the angle between another front positioning groove 131b and the aforementioned front positioning groove 131b can be 155 degrees; in the same way, the rear positioning groove 132b can also be configured in accordance with the relationship between the aforementioned front positioning grooves 131b, and this embodiment In the example, the front positioning groove 131b and the rear positioning groove 132b are arranged in alignment with each other.

Each elastic gasket 14 is stacked on each other and then sleeved on the extension section 123 of the rotating shaft 12. The fixing component 15 of this embodiment is a nut, which is screwed to the external thread 124 of the aforementioned rotating shaft 12 and each The elastic washer 14 is elastically clamped between the fixing component 15 and the cam set 13 .

In addition to the difference between the side plate of the fixed seat 31 and the side plate of the fixed seat 11 of the right pivotal mechanism 10, the left pivotal joint mechanism 30 is the movable cam 33b of the left pivotal joint mechanism 30 and the movable cam 13b of the right pivotal joint mechanism 10. They are common to each other, and the rest of the components and their assembly relationship are the same as the aforementioned right pivot mechanism 10; therefore, they will not be repeated one by one.

In addition, the right pivot mechanism 10 of the present utility model also includes a limit ring 16, and two hooks 161 are formed on its outer periphery. The limit ring 16 is sleeved in the extension section 123 of the rotating shaft 12 and follows The rotating shaft 12 rotates, and the limit ring 16 is clamped between the spacer section 121 of the rotating shaft 12 and the side plate of the fixing seat 11, and the two hooks 161 are blocked by the protrusion 112 of the fixing seat 11, In order to limit the limit positions of the rotating shaft 12 and the fixing base 11 . Similarly, the left pivot mechanism 30 also includes a limit ring 36 with two hooks 361 formed on its outer periphery. Rotate, and the limit ring 36 is clamped between the spacer section 321 of the rotating shaft 32 and the side plate of the fixed seat 31, and the two hooks 361 are blocked by the protrusion 312 of the fixed seat 31, so that the rotating shaft 32 and the limit position of fixed seat 31 are limited.

Please refer to Fig. 5 to Fig. 7, the hinge device 1 of the present utility model can be installed on electronic equipment 8 such as a notebook computer, a display device, a projector or an electronic photo frame, and the electronic equipment 8 of this embodiment is an electronic A photo frame, which has a first body 81 (i.e. screen) and a second body 82 (i.e. tripod), in addition the first and second body 81, 82 can also be the host and screen combination (as shown in Figure 9 ), or a combination of a host and a tripod (not shown in the figure), the hinge device 1 is fixed between the first body 81 and the second body 82, and the holes of the fixing seats 11 and 31 are respectively pierced with screws during installation. And each fixing seat 11,31 is fixed on the first body 81, then the extension section 122,322 of each rotating shaft 12,32 is fixed in the perforation of the second body 82; Screw up, each rotating shaft 12,32, each movable cam 13b,33b and each limit ring 16,36 will rotate relative to each fixed seat 11,31, when each movable cam 13b,33b adjoins the position of each static cam 13a,33a When each positioning groove 131b, 132b, 331b, 332b is embedded and positioned corresponding to each insert 132a, 332a, the first body 81 and the second body 82 can be placed at an inclined angle.

Please refer to Fig. 8A and Fig. 8B, the two corresponding end surfaces of the movable cam 13b are respectively formed with a plurality of front positioning grooves 131b and a plurality of rear positioning grooves 132b, and the front positioning grooves 131b and the rear positioning grooves 132b of this embodiment It is a dislocation configuration; in this way, only the movable cam 13b, (or 33b) of the unilateral cam set 13 (or 33) performs a clutch action relative to the stationary cam 13a, (or 33a) during use, and the second body 82 can be lightened. (As shown in Figure 5) the active force of turning up to increase the convenience of use and the simplicity of operation.

Of course, the utility model can also have other various embodiments, and those skilled in the art can make various corresponding changes and deformations according to the utility model without departing from the spirit and essence of the utility model, but These corresponding changes and deformations should all belong to the protection scope of the appended claims of the present utility model.

Claims (7)

1. A hinge device for electronic equipment, the electronic equipment has a first body and a second body, the hinge device is connected to the first body and the second body, characterized in that it comprises: A pair of left and right pivoting mechanisms, the pivoting mechanisms respectively include a fixed seat fixed to the first body, a rotating shaft fixed on the second body and passing through the fixed seat, sleeved on the A cam set and a plurality of elastic washers of the rotating shaft, and a fixed component fixed on the rotating shaft and clamping the elastic washers between it and the cam set, wherein the cam set includes fixed A static cam connected to the fixed seat and a movable cam selectively embedded corresponding to the static cam and rotated with the rotating shaft are respectively formed with a plurality of positioning grooves on the two corresponding end faces of the movable cam, and the left, The two moving cams of the right pivot mechanism are common to each other. 2. The pivot device for electronic equipment according to claim 1, wherein the fixing seat is provided with a through hole and a positioning hole at a position apart from the through hole, and the through hole is used for the rotation shaft to pass through. Then, the static cam is installed adjacent to the fixing seat, and a protruding column embedded in the positioning hole is extended from the static cam. 3 . The hinge device for electronic equipment according to claim 2 , wherein an insert is provided on the end surface of the stationary cam away from the fixing seat, and the insert is fitted and fixed corresponding to the positioning grooves. 4 . 4. The pivot device for electronic equipment according to claim 2, characterized in that, the pivot mechanism further comprises a limiting ring, and two hooks are formed on the outer periphery of the limiting ring, and the limiting ring covers Connected to the rotating shaft and clamped between the rotating shaft and the fixing seat, a protrusion is formed on the outer periphery of the through hole of the fixing seat to be locked and positioned with the hook. 5. The hinge device for electronic equipment according to claim 1, wherein the rotating shaft comprises a spacer and two extensions protruding from both ends of the spacer, one of which is The extension section is fixedly connected to the second body, and the other extension section passes through the fixing seat, the cam group and the elastic washer, and then connects with the fixing component. 6 . The hinge device for electronic equipment according to claim 1 , wherein the positioning grooves on the two end surfaces of the moving cam are arranged in alignment. 7 . 7 . The hinge device for electronic equipment according to claim 1 , wherein the plurality of front positioning grooves and the plurality of rear positioning grooves on both ends of the movable cam are arranged in a misaligned manner. 8 .

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