TWM619630U - Foot stand structure - Google Patents

Abstract

This creation is a tripod structure with a pair of guide rails in the hollow groove of the seat body, the pair of guide rails are respectively connected to the two ends of the first shaft, and the first shaft is moved by pushing and pulling through the first and second elastic members; relay; The rotating member includes a first and a second rotating plate. The first and second rotating plates rotate in an arc with respect to the first and second side plates of the base respectively; the first and second lugs of the rotating bracket are respectively relative to the first and The second rotating plate rotates in an arc shape, and the second shaft between the first and second lugs has a long flat section extending in sequence, a first outer diameter portion and a second outer diameter portion. The diameter is larger than the diameter of the first outer diameter part; one end of the at least one connecting rod of the torsion element is sleeved with the first shaft, and the second friction torsion part at the other end of the at least one connecting rod is sleeved with the second shaft, thereby generating a phased rotation Friction torque.

Description

Tripod structure

This creation is related to a tripod structure, especially one that is assembled on the back side of a flat electronic device and can be opened or closed relative to the flat electronic device.

At present, common flat electronic devices such as tablet computers or AIO computers are mostly supported by a support tripod to allow the flat electronic device to stand, and the support tripod will then be pivoted through a pivot structure to perform The flip action allows the support stand to be opened or closed relative to the flat electronic device, and allows the tablet's vertical angle to have a stepless or multi-step adjustment and positioning function, allowing the tablet to lie flat or stand differently When it is angled, it can form a stable positioning to facilitate the user's touch operation.

The traditional pivot structure is installed between the planar electronic device and the supporting tripod. It mainly generates rotational torsion to oppose the applied force and the weight of the object during operation, and to generate sufficient rotational torsion, the tripod structure Each component in the oscilloscope must have sufficient thickness to maintain the minimum structural strength. As a result, the volume of the overall component will increase; but in order to facilitate the user to carry and operate, the thinning of the flat electronic device is also One of the goals that the industry is actively pursuing. Therefore, how to reduce the design by components and effectively use the internal space of the structure to make the tripod structure have the advantages of sufficient strength, thinness and easy assembly at the same time is a problem that the related industry needs to overcome. .

For example, the "Rotary Shaft Device" of the Republic of China Patent Publication No. TWM604908 and the "Torque Wrapped Slide Rotary Shaft Device" of TWM516822 respectively propose a solution. The structures disclosed in the above cases can indeed generate sufficient strength and rotational torsion for the tripod structure to resist the applied force and weight during operation, and form an effective support. The two new patents both use "notched torque sleeves" to sleeve "shafts" to generate the progressive torque required for rotation. In actual use, if the pivotal torque between the tripod and the electronic device is too large, it is difficult for the user to unfold the tripod closed to the electronic device. The tripod is more inconvenient to use. The deployment angle of the electronic device is more difficult to fix.

As shown in the “Pivoting Structure and Electronic Device with the same” invention patent case No. TWI623692, “at least one plane” is provided on the “inner periphery of the elastic clip” and the “outer periphery of the column” respectively. Therefore, when the elastic clip and the column rotate relative to each other, different stages of rotation torque can be generated according to the different rotation angles, so as to facilitate the deployment and fixation of the tripod. However, its overall structure is complicated, which will increase manufacturing and processing costs.

In view of this, in order to provide a structure that is different from the conventional technology and to improve the above-mentioned shortcomings, the creators have accumulated years of experience and continuous research and development and improvement, so this creation was born.

One purpose of this creation is to provide a tripod structure that can solve the inconvenience of unfolding and fixing the tripod due to the uncertainty of the pivotal torque during the opening or closing process of the conventional tripod relative to the tablet computer, and to improve The above shortcomings make the overall structure more complicated. During the turning of the "rotating bracket", the first and second elastic members move the first shaft at the same time, and then through the socket of the second friction torsion part, it has The structure of the second shaft with different outer diameters allows the rotating bracket to be easily deployed for convenient operation, and during the deployment process, it can generate phased rotational friction torsion to provide sufficient positioning and support, and simplify the processing to save manufacturing cost.

In order to achieve the purpose of the above creation, the tripod structure of this creation includes a base, a relay rotating piece, a rotating bracket and a torsion piece. The seat body has a first side plate and a second side plate that are parallel to each other. There is a hollow groove between the first side plate and the second side plate. The first side plate has a first inner guide portion, and the second side plate has a second inner guide. The guide part has a pair of guide rails in the hollow groove, the two ends of the first shaft are connected to the pair of guide rails in a relative sliding manner, and the two ends of the first shaft are respectively connected to a first elastic member and A second elastic member; the relay rotating member includes a first rotating plate and a second rotating plate, the opposite sides of the first rotating plate are respectively provided with a first outer rotating part and a first inner rotating part, the second rotating The opposite sides of the plate are respectively provided with a second outer rotating part and a second inner rotating part. The first outer rotating part and the second outer rotating part respectively connect the first inner guiding part and the second in a relatively arc-shaped rotating manner. The inner guiding part; the rotating bracket and the relay rotating part have a common center of rotation, one end of the rotating bracket has a first lug and a second lug that are parallel to each other, and a first outer guide is provided on one side of the first lug Part, one side of the second lug is provided with a second outer guide part, the first outer guide part and the second outer guide part respectively connect the first inner rotating part and the second inner rotating part in a relatively arc-shaped manner In the rotating part, there is a second shaft between the other side surface of the first lug and the other side surface of the second lug. The diameter portion and a second outer diameter portion, the long direction of the long flat section is parallel to the axis of the second axis, the diameter of the second outer diameter portion is greater than the diameter of the first outer diameter portion; and the torsion element has at least one connecting rod, One end of at least one connecting rod is sleeved with the first shaft; the other end of at least one connecting rod is provided with a second friction torsion part, and the second friction torsion part is sleeved with the second shaft for generating phased rotational friction torque.

In implementation, there is a first middle bump on the first side plate, and a second middle bump on the second side plate. The pair of guide rails includes a first straight rod and a second straight rod that are parallel to each other. The first elastic member The second elastic member and the second elastic member are respectively springs that sleeve the first straight rod and the second straight rod. The other end of the first shaft and the second middle bump are respectively pressed.

In implementation, the relay rotating member further includes a connecting rod, and the two ends of the connecting rod are respectively connected to the first rotating plate and the second rotating plate.

In implementation, the second shaft includes a left shaft and a right shaft. The left shaft is connected to the right shaft. The rotating bracket includes a left bracket and a right bracket. One end of the left bracket has a first lug and a first convex. The other side of the ear has a left shaft, the other end of the left bracket has a toggle part; the right bracket is connected to the left bracket through a connecting part, the right bracket includes a second lug, and the other side of the second lug has a right Shaft.

In implementation, one end of at least one connecting rod further has a first friction torsion portion, and the first friction torsion portion is sleeved on the first shaft for generating rotational friction torsion.

In implementation, the first friction torsion portion of at least one connecting rod has a first circular hole for socketing the first shaft; the second frictional torsion portion has an elongated circular hole, and the elongated circular hole has a socket for socketing the second shaft The second round hole and a side hole part extending from one side of the second round hole, a virtual line of the axis of the first round hole and the axis of the second round hole forms an inclination angle with the bottom surface of the seat body.

In implementation, the inner periphery of the second circular hole of the second friction torsion portion further has at least one long groove, and the long direction of the long groove is parallel to the axis of the second circular hole.

In implementation, the first inner rotation portion of the first rotation plate is further provided with a first inner stop portion, and a side surface of the first lug is further provided with a first outer stop portion for blocking the rotation of the rotation bracket.

In order to facilitate a more in-depth understanding of this creation, I will elaborate on the following:

Please refer to FIG. 1 to FIG. 4, which is a preferred embodiment of the creative tripod structure 1, which mainly includes a base body 2, a relay rotating member 3, a rotating bracket 4 and a torsion member 5. Among them, the base 2 is connected to the back of a flat electronic device, the flat electronic device is a tablet computer or an AIO (All in One) computer, and the relay rotating member 3, the rotating bracket 4 and the torsion member 5 are directly or The base 2 is indirectly connected, so that when the rotating bracket 4 is flipped to move relative to the base 2, the rotating bracket 4 can be opened or closed relative to the flat electronic device, so that the tablet computer can lie flat or stabilized. Stand at different angles to facilitate the user's touch operation.

The base 2 is a rectangular frame with a front side plate 20 and a first side plate 21 and a second side plate 22 parallel to each other. A hollow groove 23 is formed between the first side plate 21 and the second side plate 22. The inner side of the first side plate 21 has a first middle bump 211, and the inner side of the second side plate 22 has a second middle bump 221. The first middle bump 211 and the second middle bump 221 hollow out the grooves. 23 is divided into a first groove 231 and a second groove 232. After one end of the first straight rod 24 passes through the first screw hole 201 of the front side plate 20, it passes through one end of the first shaft 6 and a compression spring to connect the front side of the first middle protrusion 211. The compression spring acts as The first elastic member 61; after one end of the second straight rod 25 passes through the second screw hole 202 of the front side plate 20, before passing through the other end of the first shaft 6 and another compression spring to connect the second middle protrusion 221 On the side, the other compression spring serves as the second elastic member 62. The first straight rod 24 and the second straight rod 25 are parallel to the two sides of the first groove 231. In implementation, the first straight rod 24 and the second straight rod 25 are combined as a pair of guide rails 26.

One side of the first side plate 21 has an arc-shaped convex plate protruding toward the second groove 232. The arc-shaped convex plate serves as the first inner guide portion 212. The inner side of the arc-shaped convex plate is coaxial and has a cross-section The first arc-shaped groove 213 of the inferior arc shape; one side of the second side plate 22 has an arc-shaped convex plate protruding in the direction of the second groove 232, and the arc-shaped convex plate is used as the second inner guiding portion 222. The two inner guide portions 222 extend opposite to the first inner guide portion 212 and correspond to the two sides of the second groove 232. The inner side of the arc convex plate has a second arc groove 223 with a coaxial and inferior arc cross section.

The relay rotating member 3 includes a first rotating plate 31, a second rotating plate 32, and a connecting rod 33. The first rotating plate 31 and the second rotating plate 32 are respectively inferior arcuate flat plates with an arc-shaped surface facing down, and are opposite to each other. Correspond to the two sides of the second groove 232. The two ends of the connecting rod 33 respectively connect the middle positions of the top ends of the first rotating plate 31 and the second rotating plate 32 so as to allow the first rotating plate 31 and the second rotating plate 32 to rotate synchronously.

One side of the first rotating plate 31 is provided with an arc-shaped guide slot with an opening facing upward, and the arc-shaped guide slot serves as the first outer rotating portion 311 for receiving and limiting the first inner guide portion 212; the arc-shaped guide slot The inner side has a coaxial first arc-shaped plate 312 with an inferior arcuate cross section. The first arc-shaped plate 312 is received and confined in the first arc-shaped slot 213, so that the first rotating plate 31 is connected in a relatively arc-shaped rotation. The first side plate 21; the other side of the first rotating plate 31 has an arc-shaped convex plate with an opening facing upward, and the arc-shaped convex plate serves as the first inner rotating portion 313; one end surface of the first inner rotating portion 313 has A protrusion extends axially away from the end surface, and the protrusion serves as the first inner stop portion 314.

The second rotating plate 32 and the first rotating plate 31 have opposite outer shapes. One side of the second rotating plate 32 has an arc-shaped guide slot with an upward opening, and the arc-shaped guide slot serves as the second outer rotating portion 321, For accommodating and limiting the second inner guide portion 222; the inner side of the arc-shaped guide groove has a second arc-shaped plate 322 with a coaxial and inferior arcuate cross section, and the second arc-shaped plate 322 is accommodated and limited in the second arc-shaped groove 223 Inside, the second side plate 22 is connected by allowing the second rotating plate 32 to rotate relative to an arc; the other side of the second rotating plate 32 has an arc-shaped convex plate with an upward opening, and the arc-shaped convex plate serves as the first Two inner rotating parts 323; One end surface of the second inner rotating part 323 has a protrusion extending axially away from the end surface, and the protrusion serves as the second inner stop part 324.

The rotating bracket 4 includes a left bracket 41 and a right bracket 42. One end of the left bracket 41 has a first lug 43, and the other end of the left support 41 has a toggle portion 411; the right support 42 includes a second lug 44 And a connecting portion 421, the first lug 43 and the second lug 44 are respectively inferior arcuate plates. Two screws respectively pass through the connecting portion 421 to lock the left bracket 41 and the right bracket 42 and make the two lugs parallel to each other.

The two lugs of the rotating bracket 4 and the first rotating plate 31 and the second rotating plate 32 of the relay rotating member 3 have a common center of rotation. One side of the first lug 43 has an arc-shaped guide groove with an opening facing upward, and the arc-shaped guide groove serves as the first outer guide portion 431 for receiving and limiting the first inner rotating portion 313; the first outer guide The outer periphery of the guiding portion 431 has an arc-shaped plate, and one end of the arc-shaped plate has a first outer stop part 432, so that when the first lug 43 is arc-shaped relative to the first rotating plate 31, the first The outer stop portion 432 presses against the first inner stop portion 314 to form a stop function. The second lug 44 and the first lug 43 have an outer shape in the opposite direction, and the second lug 44 also has the same arc-shaped guide groove-shaped second outer guide as the first outer guide portion 431 of the first lug 43 The guiding portion 441 has an arc-shaped plate on the outer periphery of the second outer guiding portion 441, and one end of the arc-shaped plate has a second outer stop portion 442, so that the second lug 44 is relative to the second rotating plate When 32 is rotated in an arc shape, the second outer stopper 442 is pressed against the second inner stopper 324 to form a stop function, so that the rotating bracket 4 stops continuing to rotate.

The other side of the first lug 43 has a left shaft 433 extending laterally, and the other side of the second lug 44 has a right shaft 443 extending laterally, and the left shaft 433 is axially connected to the right shaft 443. , And set as a second axis 7 together. The second shaft 7 has a long flat section 71, a first outer diameter portion 72, and a second outer diameter section 73 extending in sequence around the outer periphery, wherein the long direction of the long flat section 71 is parallel to the second axis For the axis of 7, the diameter of the first outer diameter portion 72 is smaller than the diameter of the second outer diameter portion 73.

The torsion member 5 includes two adjacent connecting rods (51, 51') arranged side by side. One end of the two connecting rods (51, 51') has a C-shaped covering part, and the C-shaped covering part is used as the first In the friction torsion portion 52, a first circular hole 53 is formed in the first friction torsion portion 52 for socketing the first shaft 6 to generate rotational friction torsion. The other end of the two connecting rods (51, 51') has a second friction torsion portion 54 which has an elongated circular hole 55. The elongated circular hole 55 includes a second circular hole 56 and A side hole 57 extends from one side of the second circular hole 56. The inner periphery of the second circular hole 56 has a plurality of long grooves 58, which are arranged in a circular array and are respectively parallel to the second circular hole 56. Shaft: The long round hole 55 is sleeved with the second shaft 7 for generating phased rotational friction torque. In addition, there is a virtual line between the axis of the first circular hole 53 and the axis of the second circular hole 56. The virtual line forms an inclination angle with the bottom surface of the base 2 so that the rotating bracket 4 can swing smoothly. , And can be affixed to the base 2 flatly.

As a result, as shown in Figs. 1 and 3 to 5, in the initial stage of opening the support leg in the first stage, the peripheral edge of the second circular hole 56 of the second friction torsion portion 54 is in contact with the length of the second shaft 7 The rotation process of the flat section 71 is an idle stroke. The first shaft 6 can be pushed by the first elastic member 61 and the second elastic member 62 at the same time, that is, the torsion member 5 and the second shaft 7 can be linked, so that the rotation bracket 4 The toggle portion 411 can be separated from the base body 2 with less effort.

As shown in FIGS. 1 and 6 to 8, in the second stage, when the user continues to pull the toggle portion 411 to continue to open the rotating bracket 4, the first outer guide portion 431 and the second outer guide portion 441 Connecting the first inner guide portion 212 of the first side plate 21 and the second inner guide portion 222 of the second side plate 22, respectively, enables the relay rotating member 3 and the rotating bracket 4 to simultaneously rotate on the base 2 in an arc direction; In the third stage, when the first outer stop portion 432 and the second outer stop portion 442 press against the first inner stop portion 314 of the first rotating plate 31 and the second inner stop of the second rotating plate 32, respectively When the blocking portion 324 is used, the relay rotating member 3 and the rotating bracket 4 can stop and continue to rotate, so that the rotating bracket 4 reaches the maximum opening angle, for example, 160 degrees. Among them, in the process of rotating the rotating bracket 4 from 10 degrees to 60 degrees, the first outer diameter portion 72 of the second shaft 7 continuously presses the second friction torsion portion 54 gradually increased friction torque; in the rotating bracket 4 from 60 degrees During the rotation to 160 degrees, the second outer diameter portion 73 of the second shaft 7 continuously presses the second friction torque portion 54 to gradually increase the friction torque. After being matched with the friction torque generated by the first shaft 6 with the first friction torsion portion 52, it can resist the applied force during operation and the weight of the planar electronic device, thereby supporting the freedom of the angle range of the planar electronic device. The stagnation effect is convenient for the user to operate or watch the image displayed on the screen of the flat electronic device. In the reverse rotation stroke of the rotating bracket 4 when the supporting leg is folded, the friction torque between the first friction torsion portion 52 and the first shaft 6 will gradually decrease, and the second friction torsion portion 54 and the second shaft The friction torque between 7 will be gradually smaller than the friction torque of the positive rotation stroke in the same angular range, which will facilitate the folding operation.

In summary, this creation not only simplifies the parts to reduce the overall volume, but also simplifies the processing to save manufacturing costs and facilitates the user to carry and operate. It can also be used in the initial stage of the deployment of the "rotating bracket" through the rotation of the second axis. The stroke and the two elastic members simultaneously push the first shaft to open the rotating bracket in a labor-saving manner; in addition, during the unfolding process, the first shaft can be sleeved through the first friction torsion part at one end of the connecting rod, and then through the connection The second friction torsion part at the other end of the rod is sleeved with a second shaft with different outer diameter peripheral edges to generate three stages of rotational friction and torsion, and then provide enough support to resist the applied force and the weight of the object during operation. And is conducive to the operation of reverse folding.

Although this creation discloses a better specific embodiment for achieving the above-mentioned purpose, it is not intended to limit the structural features of this creation. Any person with ordinary knowledge in the technical field should know that under the technical spirit of this creation, any easy thinking The changes or modifications are all possible, and they are all covered by the scope of patent application for this creation.

1: Tripod structure

2: seat body

20: Front side panel

201: The first screw hole

202: second screw hole

21: The first side panel

211: The first middle bump

212: The first inner guiding part

213: The first arc slot

22: second side panel

221: second middle bump

222: The second inner guiding part

223: second arc slot

23: Hollow groove

231: first slot

232: second slot

24: first straight shot

25: second straight

26: Rail

3: Relay rotating parts

31: The first rotating plate

311: The first outer rotating part

312: The first curved plate

313: The first inner rotation part

314: first inner stop

32: The second rotating plate

321: The second outer rotating part

322: second curved plate

323: The second inner rotating part

324: second inner stop

33: connecting rod

4: Rotate the stand

41: Left bracket

411: Toggle Department

42: Right bracket

421: Connection

43: first lug

431: First outer guide

432: First outer stop

433: Left Axle

44: second lug

441: The second outer guide

442: second outer stop

443: Right shaft

5: Torque parts

51,51’: connecting rod

52: The first friction torque part

53: The first round hole

54: The second friction torque part

55: Long round hole

56: second round hole

57: Side hole

58: Long slot

6: The first axis

61: The first elastic part

62: second elastic part

7: second axis

71: Long flat section

72: The first outer diameter part

73: The second outer diameter part

[Figure 1] is an exploded view of the components of the preferred embodiment of this creation. [Figure 2] is a schematic diagram of a three-dimensional appearance of a preferred embodiment of this creation. "Figure 3" is the A-A' cross-sectional view of Figure 2. "Figure 4" is a partial enlarged view of Figure 3. ﹝Figure 5﹞ is a schematic cross-sectional view of the preferred embodiment of this creation when it is turned over and unfolded in the first stage. [Figure 6] is a schematic cross-sectional view of the preferred embodiment of this creation when it is turned over and expanded in the second stage. [Figure 7] is a schematic cross-sectional view of the preferred embodiment of this creation when it is turned over and expanded in the third stage. [Figure 8] is a perspective view of the preferred embodiment of this creation when it is turned over and unfolded in the third stage.

2: seat body

20: Front side panel

22: second side panel

25: second straight

324: second inner stop

4: Rotate the stand

41: Left bracket

411: Toggle Department

44: second lug

442: second outer stop

443: Right shaft

5: Torque parts

51: connecting rod

52: The first friction torque part

53: The first round hole

54: The second friction torque part

56: second round hole

57: Side hole

58: Long slot

6: The first axis

62: second elastic part

7: second axis

Claims (8)

A tripod structure comprising: a seat body with a first side plate and a second side plate parallel to each other, a hollow groove is formed between the first side plate and the second side plate, and the first side plate has a first side plate The inner guide part, the second side plate has a second inner guide part, the hollow groove has a pair of guide rails, the two ends of a first shaft are respectively connected to the pair of guide rails in a relatively sliding manner, the first shaft The two ends are respectively connected with a first elastic member and a second elastic member capable of moving the first shaft; a relay rotating member, which includes a first rotating plate and a second rotating plate, the first rotating plate A first outer rotation part and a first inner rotation part are respectively provided on the opposite sides of the second rotation plate, a second outer rotation part and a second inner rotation part are respectively provided on the opposite sides of the second rotation plate, the The first outer rotating part and the second outer rotating part respectively connect the first inner guiding part and the second inner guiding part in a relatively arc-shaped rotation; a rotating bracket, which shares a common with the relay rotating part One end of the rotating bracket has a first lug and a second lug parallel to each other, a first outer guide portion is provided on one side of the first lug, and the second lug A second outer guide portion is provided on one side surface, and the first outer guide portion and the second outer guide portion respectively connect the first inner rotation portion and the second inner rotation portion in a relatively arc-shaped rotation manner, There is a second shaft between the other side surface of the first lug and the other side surface of the second lug. A diameter portion and a second outer diameter portion, the long direction of the long flat section is parallel to the axis of the second shaft, and the diameter of the second outer diameter portion is greater than the diameter of the first outer diameter portion; and A torsion member having at least one connecting rod, one end of the at least one connecting rod is sleeved with the first shaft; the other end of the at least one connecting rod has a second friction torsion portion, and the second friction torsion portion is sleeved on the The second shaft is used to generate phased rotational friction torque. For example, the tripod structure of claim 1, wherein the first side plate further has a first middle bump, the second side plate further has a second middle bump, and the pair of guide rails includes a first straight rod parallel to each other And a second straight rod, the first elastic member and the second elastic member are springs that sleeve the first straight rod and the second straight rod, respectively, and both ends of the first elastic member press against the first One end of the shaft and the first middle protrusion, and both ends of the second elastic member press against the other end of the first shaft and the second middle protrusion respectively. For example, the tripod structure of claim 1, wherein the relay rotating member further includes a connecting rod, and two ends of the connecting rod are respectively connected to the first rotating plate and the second rotating plate. For example, the tripod structure of claim 1, wherein the second shaft includes a left shaft and a right shaft, the left shaft is connected to the right shaft; the rotating support includes a left support and a right support, the left One end of the support has the first lug, the other side of the first lug has the left shaft, and the other end of the left support has a toggle part; the right support is connected to the left support via a connecting portion, The right bracket includes the second lug, and the other side surface of the second lug has the right shaft. For example, the tripod structure of claim 1, wherein one end of the at least one connecting rod further has a first friction torsion portion, and the first friction torsion portion is sleeved on the first shaft for generating rotational friction torsion. Such as the tripod structure of claim 5, wherein the first friction torsion portion of the at least one connecting rod has a first circular hole for socketing the first shaft; the second friction torsion portion has an elongated circular hole, The elongated round hole has a second round hole for socketing the second shaft and a side hole portion extending from one side of the second round hole. A virtual line of the axis forms an inclined angle with the bottom surface of the base. Such as the tripod structure of claim 6, wherein the inner periphery of the second circular hole of the second friction torsion portion further has at least one long groove, and the long direction of the long groove is parallel to the axis of the second circular hole. For example, the tripod structure of claim 1, wherein the first inner rotation portion of the first rotation plate is further provided with a first inner stop portion, and a side surface of the first lug is further provided with a support for blocking the rotation Continue to rotate one of the first outer stop parts.

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