CN102444661A - Pivot assembly - Google Patents

Abstract

A pivot assembly includes a fixing plate, a shaft rod, a sleeve, a second friction block, an elastic member and a locking member. The fixing piece is fixed on an electronic device and is provided with a first friction block, and the first friction block is provided with at least one groove and a limiting block. The shaft lever is pivoted with the first friction block, the sleeve is coupled with a foot rest and is fixedly connected with the shaft lever, and the sleeve is provided with a limiting groove corresponding to the limiting block. The second friction block penetrates through the shaft lever and rotates synchronously with the shaft lever, and the second friction block is provided with a convex block corresponding to the groove. The elastic piece penetrates through the shaft lever and normally presses the second friction block against the first friction block. The locking piece is locked to the shaft rod, and the second friction block and the elastic piece are clamped between the locking piece and the first friction block. The pivot assembly has a positioning effect because the first friction block is provided with a groove corresponding to the lug of the second friction block.

Description

pivot assembly

technical field

The invention relates to a pivot assembly, in particular to a pivot assembly applied to an expansion base of a tablet computer.

Background technique

In recent years, with the rapid development of technology and information, the manufacturing technology of electronic products is also improving day by day. Under the consideration of modern people's pursuit of portability and practicability, electronic products are moving towards the characteristics of light, thin, short and small. Taking computers as an example, portable notebook computers have been developed from desktop computers in the early days, and notebook computers have been miniaturized from the early large-sized notebook computers to the small-sized notebook computers commonly seen in the market today. Due to the trend of modern people pursuing the miniaturization of electronic products, a smaller and thinner tablet computer has also been developed in recent years. Although a general tablet computer does not have peripheral components such as a keyboard and a mouse, the tablet computer will have an expansion slot to meet the user's additional requirements for expanding the peripheral components.

Therefore, there is an expansion base product specially matched with the tablet computer on the market, and the expansion base has an expansion connection port to connect with the expansion slot of the tablet computer. Take the expansion base that provides multimedia playback function as an example. The expansion base has multiple connectors for multimedia purposes, such as component video signal connectors, composite video signal connectors, digital audio signal connectors, external screen connection ports, audio output connectors, and audio sources. Input connector.

In addition, the user can place the tablet computer on the expansion base so that a screen of the tablet computer faces the user, so that the user can watch the multimedia audio and video presented by the tablet computer, such as TV programs or movies. However, it is often impossible for the user to adjust the viewing angle of the screen of the tablet computer placed on the docking station at will, which causes inconvenience in use and further affects the interest of the user in enjoying multimedia audio and video.

Contents of the invention

In view of the above problems, the purpose of the present invention is to provide a pivot assembly to solve the problem in the prior art that the viewing angle of the screen cannot be adjusted arbitrarily when the tablet computer is paired with the docking station.

The pivot assembly disclosed in one embodiment of the present invention is used to connect an electronic device and a stand, so that the stand can rotate and open relative to the electronic device. It includes a fixed piece, a shaft rod, a sleeve, a second friction block, an elastic piece and a locking piece. Wherein the fixed piece is fixed on the electronic equipment, the fixed piece has a first friction block, and the first friction block has a first surface and a second surface opposite. The first surface has at least one groove, and the second surface has a limiting block. The shaft rod is pivotally connected to the first friction block. The sleeve is coupled to the tripod, and the sleeve is fixed to the shaft. The sleeve has a limiting groove facing the second surface, and the limiting block corresponds to the limiting groove. The second friction block is passed through the shaft, and the second friction block rotates synchronously with the shaft. The second friction block has a protrusion corresponding to the groove. The elastic member is passed through the shaft and normally presses the second friction block against the first surface. The locking piece is locked to the shaft rod, and the second friction block and the elastic piece are sandwiched between the locking piece and the first friction block.

According to an embodiment of the invention, the pivot assembly further includes a washer. The washer is passed through the shaft rod, and the washer is sandwiched between the locking member and the elastic member.

According to an embodiment of the pivot assembly disclosed in the present invention, the first friction block of the fixing element has three sets of grooves, and each set of grooves corresponds to the protrusion.

According to an embodiment of the pivot assembly disclosed in the present invention, the fixing part has at least one fixing hole, and the fixing part is fixed to the electronic device by passing a screw through the fixing hole.

According to an embodiment of the pivot assembly disclosed in the present invention, the sleeve has a connection hole, and the leg is sleeved through the connection hole to combine with the sleeve.

According to an embodiment of the hinge assembly disclosed in the present invention, the electronic device is an expansion base for a tablet computer.

According to an embodiment of the pivot assembly disclosed in the present invention, the surface treatment of the sleeve, the fixed piece and the second friction block is electroless nickel plating.

According to an embodiment of the pivot assembly disclosed in the present invention, the surface treatment of the shaft rod and the elastic member is generally electroplated nickel.

According to an embodiment of the pivot assembly disclosed in the present invention, the elastic member is a spring.

According to an embodiment of the pivot assembly disclosed in the present invention, the locking member is a nut.

According to the above-mentioned pivot assembly disclosed in this embodiment, the sleeve has a limiting slot corresponding to the limiting block of the first friction block, and the material between them is metal matching, so that when the pivot rotates, the opening and closing angle can be limited. , and provide a good stop effect. In this way, the stability of the tripod when opening and closing relative to the expansion base of the tablet computer can be provided, and the instability of the tripod caused by the heavy load of the expansion base of the tablet computer can be avoided. In addition, since the first friction block has multiple sets of grooves, the second friction block has protrusions corresponding to these grooves. Therefore, when the pivot rotates, when the protrusion engages in the groove, there will be a stopping effect. That is, unless a certain external force is applied, the relative position between the first friction block and the second friction block cannot be changed arbitrarily. In this way, several positioning angles can be selected when the tripod is opened and closed from the zero angle to the maximum angle relative to the expansion base of the tablet computer. That is, the user can select multiple opening and closing angles to adjust the viewing angle of the tablet computer on the tablet computer expansion base.

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

Description of drawings

FIG. 1 is a schematic structural diagram of a hinge assembly according to an embodiment of the present invention;

Fig. 2 is a structural exploded view of a hinge assembly according to an embodiment of the present invention;

Fig. 3A is a schematic structural diagram of the damping kit according to Fig. 2;

Fig. 3B is an enlarged schematic diagram of the first friction block according to Fig. 3A;

Fig. 4 is a schematic diagram of the detailed structure of the collocation of the sleeve and the fixing piece according to Fig. 2 .

Among them, reference signs

100 pivot assembly

110 fixed piece

1101 Fixing hole

112 The first friction block

1121 First Groove

1122 second groove

1123 third groove

1126 limit block

1129 inclined plane

114 First side

116 Second Side

118 first through hole

120 second friction block

1201 Arrest surface

122 bumps

124 second through hole

130 elastic pieces

140 gasket

150 locks

160 sleeve

162 The third through hole

164 connecting holes

166 limit slot

170 shaft

200 electronic equipment

300 tripod

50 angle

Detailed ways

Below in conjunction with accompanying drawing, structural principle and working principle of the present invention are specifically described:

Please refer to FIG. 1 , which is a schematic structural diagram of a pivot assembly applied to an electronic device according to an embodiment of the present invention. The pivot assembly 100 is used to connect an electronic device 200 and a tripod 300, so that the tripod 300 can rotate and open relative to the electronic device 200, and allow the user to selectively adjust the clamping position of the tripod 300 when opening and closing relative to the electronic device 200. An angle of 50.

Next, please refer to FIGS. 2 to 4. FIG. 2 is a structural exploded view of a pivot assembly according to an embodiment of the present invention. FIG. 3A is a detailed structural schematic view of the second friction block and the fixed plate according to FIG. 2, and FIG. 3B FIG. 3A is an enlarged schematic view of the first friction block, and FIG. 4 is a detailed structural schematic view of the matching of the sleeve and the fixed plate according to FIG. 2 . The pivot assembly 100 includes a fixing piece 110 , a shaft 170 , a sleeve 160 , a second friction block 120 , an elastic member 130 and a locking member 150 . The fixing piece 110 is fixed on an electronic device 200, wherein the electronic device 200 is a tablet computer docking station, but not limited thereto. In addition, the fixing piece 110 has a first friction block 112 . The first friction block 112 has a first surface 114 and a second surface 116 opposite to each other. The first friction block 112 also has a first through hole 118 passing through the first friction block 112 to the second surface 116 from the first surface 114 . The first surface 114 has three sets of grooves, namely a first groove 1121 , a second groove 1122 and a third groove 1123 , as shown in FIG. 3A . The first groove 1121 , the second groove 1122 and the third groove 1123 are opened on the first surface 114 to surround the first through hole 118 . As far as the first friction block 112 of this embodiment is concerned, it has a pair of first grooves 1121, a pair of second grooves 1122 and a pair of third grooves 1123, and the two first grooves 1121 are mutually The position of the space may be set symmetrically to an axis of the first through hole 118 . The relationship between the two second grooves 1122 and the two third grooves 1123 is the same as that between the two first grooves 1121 . It should be noted that the numbers of the first groove 1121, the second groove 1122 and the third groove 1123 are not used to limit the present invention. The two grooves 1122 and the pair of third grooves 1123 are taken as an example, but the actual application can also be a single first groove 1121 , second groove 1122 and third groove 1123 . In addition, the second surface 116 of the first friction block 112 has two limiting blocks 1126 , but this is not intended to limit the present invention, and only one limiting block 1126 may be provided.

The shaft 170 of the present invention is pivotally connected to the first friction block 112 by passing through the first through hole 118 , the second friction block 120 has a second through hole 124 , and the second friction block 120 passes through the second through hole 124 The second friction block 120 and the shaft 170 can rotate synchronously. The second friction block 120 has an abutment surface 1201 , and the abutment surface 1201 abuts against the first surface 114 of the first friction block 112 . Moreover, the second friction block 120 has a pair of protrusions 122 disposed on the abutting surface 1201 , and the distance between the two protrusions 122 may be symmetrical to an axis of the second through hole 124 . Moreover, the bumps 122 can correspond to the first groove 1121 , the second groove 1122 and the third groove 1123 of the first friction block 112 respectively.

The sleeve 160 of the present invention has a third through hole 162 , the sleeve 160 is fixed on one end of the shaft 170 through the third through hole 162 , and can rotate synchronously with the shaft 170 . The fixing method can match the oblong third through hole 162 with the shape of one end of the shaft 170 , and fix the third through hole 162 on one end of the shaft 170 by tight fit. It should be noted that the above-mentioned fixing method of the sleeve 160 and the shaft 170 is not intended to limit the present invention. For example, screw locks or bolts can also be used to achieve the connection between the sleeve 160 and the shaft 170. Fixed effect. In addition, the sleeve 160 also has a connection hole 164 , and the sleeve 160 is coupled to the stand 300 through the connection hole 164 . The sleeve 160 also has two limiting slots 166 surrounding the third through hole 162, the limiting slots 166 face the second surface 116 of the first friction block 112 and correspond to the limiting block 1126, and the limiting block 1126 is located in the limiting slot 166 Inside. It should be noted that the number of limiting grooves 166 is not used to limit the present invention, it only needs to correspond to the number of limiting blocks 1126 . Since the limiting block 1126 is limited to move in the limiting slot 166 , when the sleeve 160 rotates relative to the first friction block 112 , there is only a maximum amount of rotation.

In addition, the elastic member 130 passes through the shaft 170 and normally presses the second friction block 120 against the first surface 114 . Wherein, the elastic member 130 may be a tension spring, but not limited thereto. The locking member 150 is locked to the shaft 170 so that the second friction block 120 and the elastic member 130 are interposed between the locking member 150 and the first friction block 112 . Wherein, the locking member 150 may be a nut, but not limited thereto. And the pivot assembly 100 may further include a washer 140 , the washer 140 passes through the shaft 170 , and the washer 140 is sandwiched between the locking member 150 and the elastic member 130 . The washer 140 is used to improve the clamping effect of the second friction block 120 and the elastic member 130 by the locking member 150 and the first friction block 112 .

When the stand 300 is opened and closed relative to the electronic device 200 , the sleeve 160 and the second friction block 120 will rotate and rub against the second surface 116 and the first surface 114 of the first friction block 112 respectively. Since the limiting block 1126 of the second surface 116 corresponds to the limiting groove 166 of the sleeve 160 , there is a maximum opening and closing amount of the stand 300 relative to the electronic device 200 , for example, the angle 50 is 90°. In addition, since the protrusions 122 of the second friction block 120 can respectively correspond to the first groove 1121 , the second groove 1122 and the third groove 1123 of the first friction block 112 , the stand 300 can be opened and closed relative to the electronic device 200 It has a positioning effect of a specific opening and closing amount. For example, when the bump 122 corresponds to the first groove 1121, the opening and closing angle 50 between the stand 300 and the electronic device 200 is 0°; when the bump 122 corresponds to the second groove 1122, the stand 300 and the electronic device 200 open and close. The angle 50 between the stand 300 and the electronic device 200 is 60° when the bump 122 corresponds to the third groove 1123 .

According to the pivot assembly 100 disclosed in this embodiment, the first groove 1121, the second groove 1122 and the third groove 1123 can be respectively provided with an inclined surface 1129 on the edge of the junction with the first surface 114, as shown in the figure 3B. When the bump 122 turns to the slope 1129 due to the rotation of the second friction block 120 relative to the first friction block 112, the bump 122 can be automatically introduced into the first groove 1121, the second groove 1122 or the third groove 1122 through the slope 1129. In the groove 1123. That is to say, the protrusion 122 does not need to be completely rotated to match the first groove 1121 , the second groove 1122 or the third groove 1123 to be automatically introduced into the groove to achieve the effect of positioning.

In addition, according to the pivot assembly 100 disclosed in this embodiment, the fixing piece 110 can also have four fixing holes 1101 , and the fixing piece 110 can be locked to the electronic device 200 by passing a screw through the fixing holes 1101 . It should be noted that the number of fixing holes 1101 is not intended to limit the present invention, and the number of fixing holes 1101 may also be three. Moreover, the sleeve may also have a connecting hole 164 , and the stand 300 is sleeved in the connecting hole 164 to be combined with the sleeve 160 .

According to the pivot assembly 100 disclosed in this embodiment, the surface treatment of the sleeve 160, the fixed piece 110 and the second friction block 120 can be an electroless nickel plating, and the electroless nickel plating can provide the material with good wear resistance and rust resistance. characteristic.

According to the pivot assembly 100 disclosed in this embodiment, the surface treatment of the shaft 170 and the elastic member 130 is generally electroplated nickel, and the electroplated nickel can provide the function of anti-rust material.

According to the above-mentioned pivot assembly disclosed in this embodiment, the sleeve has a limiting slot corresponding to the limiting block of the first friction block, and the material between them is metal matching, so that when the pivot rotates, the opening and closing angle can be limited. , and provide a good stop effect. In this way, the stability of the tripod when opening and closing relative to the expansion base of the tablet computer can be provided, and the instability of the tripod caused by the heavy load of the expansion base of the tablet computer can be avoided. In addition, since the first friction block has multiple sets of grooves, the second friction block has protrusions corresponding to these grooves. Therefore, when the pivot rotates, when the protrusion engages in the groove, there will be a stopping effect. That is, unless a certain external force is applied, the relative position between the first friction block and the second friction block cannot be changed arbitrarily. In this way, several positioning angles can be selected when the tripod is opened and closed from the zero angle to the maximum angle relative to the expansion base of the tablet computer. That is, the user can select multiple opening and closing angles to adjust the viewing angle of the tablet computer screen on the tablet computer docking station.

Certainly, the present invention also can have other multiple embodiments, without departing from the spirit and essence of the present invention, those skilled in the art can make various corresponding changes and deformations according to the present invention, but these corresponding Changes and deformations should belong to the scope of protection of the appended claims of the present invention.

Claims (10)

1. A pivot assembly, which connects an electronic device and a tripod, so that the tripod can rotate and open relative to the electronic device. It is characterized in that it includes: A fixed piece, fixed on the electronic device, the fixed piece has a first friction block, the first friction block has a first surface and a second surface opposite, the first surface has at least one groove, the first There is a limit block on both sides; a shaft pivotally connected to the first friction block; A sleeve, coupled to the tripod, the sleeve is fixed on one end of the shaft, and rotates synchronously with the shaft, the sleeve has a limiting groove facing the second surface, the limiting block Corresponding to the limit slot; A second friction block is passed through the shaft, and the second friction block rotates synchronously with the shaft, the second friction block has a protrusion, and the protrusion corresponds to the groove; an elastic member is passed through the shaft and normally presses the second friction block against the first surface; and A locking piece is locked to the shaft, and the second friction block and the elastic piece are sandwiched between the locking piece and the first friction block. 2 . The pivot assembly according to claim 1 , further comprising a washer, the washer passes through the shaft, and the washer is sandwiched between the locking member and the elastic member. 3 . The pivot assembly according to claim 1 , wherein the first friction block of the fixing piece has three sets of the grooves, and each set of the grooves corresponds to the protrusion. 4 . 4 . The pivot assembly according to claim 1 , wherein the fixing piece has at least one fixing hole, and the fixing piece is fixed to the electronic device by passing a screw through the fixing hole. 5 . The pivot assembly as claimed in claim 1 , wherein the sleeve has a connection hole, and the leg is sleeved through the connection hole to be combined with the sleeve. 6 . 6. The pivot assembly according to claim 1, wherein the electronic device is a docking station for a tablet computer. 7. The pivot assembly according to claim 1, wherein the surface treatment of the sleeve, the fixing plate and the second friction block is electroless nickel plating. 8 . The pivot assembly according to claim 1 , wherein the surface treatment of the shaft rod and the elastic member is generally electroplated nickel. 9. The pivot assembly according to claim 1, wherein the elastic member is a spring. 10. The pivot assembly according to claim 1, wherein the locking member is a nut.

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