CN101907934B - Bendable touch device - Google Patents

Abstract

The invention discloses a bendable touch device which is provided with a first cylinder at the front section and a second cylinder at the rear section, wherein the second cylinder is pivoted on the first cylinder and can rotate between a vertical position and a bending position relative to the first cylinder. The touch device further comprises a limiting element which is movably clamped between the first cylinder and the second cylinder so as to limit the touch device to be in an upright pen-shaped state to serve as a touch pen and avoid the touch pen from buckling, or to be in a bent state to serve as a support of the portable device. The limiting element can be driven by an elastic salient point in the shell of the portable device to correspondingly break away from the state of limiting the rotation of the second cylinder in the process of drawing the touch device out of the portable device, so that the touch device can be conveniently set to be in a bent state.

Description

Bendable touch device

technical field

The invention relates to a touch device, in particular to a touch device that can be bent and fixed so that a portable device has a stand function.

Background technique

Generally, mobile phones, personal digital assistants, navigation systems or integrated portable devices are equipped with touch screens for the convenience of input and operation, and the user's fingers or an additional stylus can be used to directly touch the screen to enter or operate.

In a device equipped with a stylus, a storage slot that meets the size of the stylus is usually reserved on one side of the device. When the stylus is not in use, the stylus can be placed in the storage slot for convenience. Storage. However, stylus pens (or other types of touch devices) currently on the market usually do not have the ability to bend. On the other hand, besides being held in the user's hand, portable devices also have quite a lot of opportunities. It needs to be placed on a flat surface such as a desktop. However, the current portable devices are usually not equipped with a proper stand to stand upright or tilted on the desktop, or an additional stand must be designed, which is really inconvenient to use.

Contents of the invention

The purpose of the present invention is to provide a bendable touch device. When part of the touch device extends out of the portable device, the touch device can be bent to be used as a bracket for the portable device, and can be used on all of the touch devices. When the touch device is pulled out from the portable device, it can be used vertically as a stylus for input or operation without buckling.

The invention discloses a bendable touch device, which includes a first column, a second column and a limiting element. The second column is pivotally connected to the first column in such a manner that it can rotate relative to the first column to a first position or a second position. The restricting element is movably engaged between the first cylinder and the second cylinder. When the restricting element engages the first cylinder and the second cylinder, the second cylinder is restricted In the first position, the restricting element is a sleeve that is sleeved on the first column in a manner that can move on the first column, and the restricting element is movably fitted on the second column body to engage the first column with the second column, or when the second column is disengaged from the sleeve, the second column can pivot to the second position relative to the first column.

The present invention also discloses a portable device with a bendable touch device, which includes a casing and a touch device. The casing has a receiving slot. The touch device is accommodated in the accommodating groove and can be pulled out from the accommodating groove to be separated from the casing. The touch device includes a first column, a second column and a limiting element. The second column is pivotally connected to the first column in such a manner that it can rotate relative to the first column to a first position or a second position. The restricting element is movably engaged between the first cylinder and the second cylinder. When the restricting element engages the first cylinder and the second cylinder, the second cylinder is restricted In the first position, the restricting element is a sleeve sleeved on the first column in a manner that can move on the first column, and the restricting element is movably fitted on the second column body to engage the first column with the second column, or when the second column is disengaged from the sleeve, the second column can pivot to the second position relative to the first column.

Description of drawings

FIG. 1 is an exploded schematic view of the first embodiment of the bendable touch device of the present invention;

2 is a schematic cross-sectional view of a first embodiment of a touch device;

3 is a schematic diagram of a bending state of the first embodiment of the touch device;

4 is a schematic diagram of the bendable touch device of the present invention as a support for a portable device;

5 is a schematic diagram of a second embodiment of a bendable touch device of the present invention;

6 is a schematic diagram of a second embodiment of the touch device being pushed by the elastic protrusion of the portable device to release the lock;

7 is a schematic diagram of a bending state of the second embodiment of the touch device;

FIG. 8 is an exploded schematic diagram of a third embodiment of a bendable touch device of the present invention;

9 is a schematic cross-sectional view of a third embodiment of a touch device;

10 is a schematic diagram of a bending state of a third embodiment of a touch device;

Fig. 11 is a schematic diagram of the first column in the third embodiment;

Fig. 12 is a schematic diagram of the swivel seat of the third embodiment;

Fig. 13 is a schematic diagram of a state of the rotating seat and the first cylinder of the third embodiment;

Fig. 14 is a schematic diagram of another state of the swivel base and the first cylinder of the third embodiment;

FIG. 15 is an exploded schematic diagram of a fourth embodiment of a bendable touch device of the present invention.

Description of main component symbols

1, 3, 5, 7 Touch device 2 Housing

11, 31, 51, 71 The first cylinder 12, 32, 52, 72 The second cylinder

13, 33, 73 Restricting element 14 Inner seat

15                                            

17, 55, 75 The first spring 18 The second spring

19, 39, 59 Pivot column 21 Accommodating slot

22, 42 Elastic bumps 34 Torsion springs

38 Connection point 50, 111 Touch terminal

53, 74 Swivel seat 54 Engaging block

100 Portable device 121, 141, 521, pivot hole

532

122 Protruding part 132 Protruding part

311 Engaging part 511 Long slot

512                                                                                  

514 The second card point group 531 Chute

533 The first card hole group 534 The second card hole group

541 T-end

Detailed ways

Please refer to FIG. 1 , which is an exploded schematic view of a first embodiment of a bendable touch device 1 disclosed in the present invention. The touch device 1 can be a portable device such as a mobile phone (mobile phone), a personal digital assistant (PDA), a smart phone (smart phone), a navigation system (PND), a global positioning system device (GPS) or an integrated A stylus or other touch elements used in small portable electronic devices. These portable devices have a touch screen, and the touch device 1 can be used to directly operate on the touch screen.

The touch device 1 includes a first column 11 and a second column 12, wherein the second column 12 is pivotally connected to the first column 11, so it can be turned upright or bent relative to the first column 11. Folded. Please refer to FIG. 2 together. FIG. 2 is a schematic cross-sectional view of the touch device 1 in an upright shape according to the first embodiment. In the first embodiment, the first cylinder 11 includes an inner seat 14 and an outer seat 15, both of which are hollow cylinders, and the outer seat 15 has a touch point 111, which is a pointed tip, which can be conveniently adjusted. Touch the screen to click and control. The inner seat 14 is installed in the outer seat 15, and one end thereof has a pivot hole 141, and the end of the second column 12 opposite to the first column 11 also has a pivot hole 121, through which the pivot column 19 passes through the pivot hole 141 and The pivot hole 121 enables the second cylinder 12 to pivot relative to the first cylinder 12 . The touch device 1 further includes a limiting element 13, which is a sleeve in the first embodiment. The limiting element 13 fits outside the inner seat 14 of the first column 11 and can be opposite to the inner seat of the first column 11. 14 moves. A second spring 18 is sleeved outside the inner seat 14 and connected between the limiting element 13 and the outer seat 15. When the limiting element 13 moves on the first cylinder 11, the limiting element 13 and the first cylinder 11 will meet Compressing the second spring 18 causes the second spring 18 to have an elastic biasing force.

In FIG. 2 , the second cylinder 12 is in an upright position relative to the first cylinder 11 , so the touch device 1 is in the shape of a straight pen and can be used as a general touch pen. In the state shown in FIG. 2 , the restricting element 13 fitted on the first cylinder 11 is also fitted on one end of the second cylinder 12 pivotally connected to the first cylinder 11 , so the restricting element 13 can engage the first cylinder. 11 and the second column 12, so that the second column 12 cannot pivot relative to the first column 11, so as to limit the second column 12 to the upright position. In addition, the restricting element 13 has a protruding portion 132, and when it fits on the pivotal end of the second cylinder 12, the protruding portion 132 can abut against the abutting portion 122 on the second cylinder 12, so that the restricting element 13 does not It will slide out excessively relative to the first cylinder 11 .

The second cylinder 12 of the touch device 1 can rotate counterclockwise (CCW) from the upright position in FIG. 2 to a bent position in FIG. 3 relative to the first cylinder 11 . When all the touch devices 1 are in the accommodating groove 21 of the casing 2 of a portable device, it is in the shape of a straight pen as shown in FIG. 2 . As shown in FIG. 3 , when part of the touch device 1 is pulled out of the receiving slot 21, in other words, when the touch device 1 is pulled out from the receiving slot 21 of the portable device along the direction opposite to the N direction, An elastic protrusion 22 in the accommodation groove 21 will push the protrusion 132 of the restricting element 13 to move relative to the first cylinder 11 in the N direction until the restricting element 13 is disengaged from the second cylinder 12, and the second cylinder 12 is no longer restricted by the limiting element 13, but can pivot relative to the first column 11 to the bent position as shown in FIG. 3 . At the same time, the second spring 18 connected between the restricting element 13 and the first cylinder 11 is compressed to have an elastic bias force to push the restricting element 13 toward the second cylinder 12 . Since the second cylinder 12 is in a bent position relative to the first cylinder 11 at this time, the second spring 18 will push the limiting element 13 to only abut against the side of the second cylinder 12, and at this time the limiting element 13 Fitting the first cylinder 11 can further restrict the second cylinder 12 to the bent position as shown in FIG. 3 .

Please refer to FIG. 4 , which is a schematic diagram of the touch device 1 as a stand for the portable device 100 . At this time, the touch device 1 has been bent into an L-shape, and its first cylinder 11 is still located in the accommodation groove 21 of the portable device 100, and its second cylinder 12 is bent out of the accommodation groove 21. , and the first column 11 of the touch device 1 protrudes more out of the accommodating groove 21, and the restricting element 13 breaks away from the elastic bump 22 and abuts against the pivotal end of the second column 12, so that it can be The portable device 100 is maintained in the upright or tilted upright position as shown in FIG. 4 , which is convenient for the user to place the portable device 100 on a flat surface for use.

Please continue to refer to FIG. 2 and FIG. 3 . The touch device 1 further includes a resisting block 16 and a first spring 17, the resisting block 16 is slidably passed through the inner seat 14 of the first cylinder 11, and the first spring 17 is arranged in the hollow interior of the inner seat 14, And connected between the block 16 and the first cylinder 11 . When the second column 12 is in the upright position in FIG. 2 or in the bent position in FIG. 3 , the abutting block 16 can be pressed against the pivotal end of the second column 12 by the elastic biasing force of the first spring 17 to also play the same role. The role of maintaining the second column 12 in the upright position in FIG. 2 or the bent position in FIG. 3 , and giving the touch device 1 the ability to push the second column when changing between the straight pen shape and the bent L-shape 12 The function of automatically positioning to the upright position or the bent position increases the sense of detail in use.

Please refer to Figure 5, Figure 6 and Figure 7. FIG. 5 is a schematic diagram of the touch device 3 in the state of a straight pen according to the second embodiment of the present invention. FIG. A schematic diagram of the control device 3 in a bent L-shaped state. The touch device 3 of the second embodiment includes a first column 31 and a second column 32, the second column 32 is pivotally connected to the first column 31 through a pivot post 39, and can be used as shown in FIG. 5 , Rotate between the upright position in FIG. 6 and the bent position in FIG. 7 . The touch device 3 further includes a hook-shaped limiting element 33 fixed on the connection point 38 of the second post 32 . When the touch device 3 is set in the upright pen type state, the restricting element 33 will be engaged with an engaging portion 311 on the first column 31 (in this embodiment, it is a hole passing through the wall of the first column 31 At this time, the second cylinder 32 is restricted by the limiting element 33 and cannot rotate relative to the first cylinder 31, so the touch device 3 is in the shape of a straight pen and can be used as a general touch pen.

When the touch device 3 is pulled out of the receiving slot (not shown in the figure) of the portable device, the elastic bump 42 on the receiving slot pushes the restricting element 33 out of the engaging portion 311 through the perforation of the engaging portion 311, As shown in Figure 6. Since the restricting element 33 in this embodiment is a thin flexible clipspring with a fixed length, it can restrict the movement of the second cylinder 32 in the state shown in FIG. 5 . In FIG. 7 , the restricting element 33 can be bent and deformed under lateral force, so that the second cylinder 32 can be allowed to rotate relative to the first cylinder 31 to a bent position, and only the second cylinder 32 can be extended. When a portable device is used, the function of a stand is provided. The hook-shaped restricting element 33 can also be fixed on the second cylinder 32 through a torsion spring 34 disposed at the connection point 38 . When the touch device 3 is set in the upright pen shape state, the restricting element 33 is engaged with an engaging portion 311 on the first cylinder 31 due to the elastic force of the torsion spring 34 . Therefore, the restricting element 33 can achieve mutual movement with the elastic bump 42 and the second post 32 as described above, and can also provide the function of a support.

Please refer to FIG. 8 , FIG. 9 and FIG. 10 . FIG. 8 is an exploded schematic view of the touch device 5 according to the third embodiment of the present invention, FIG. 9 is a schematic view of the touch device 5 in a straight pen-shaped state, and FIG. 10 is a schematic view of the touch device 5 in a bent L-shaped state. The touch device 5 includes a touch terminal 50, a first cylinder 51, a second cylinder 52, a rotating seat 53, a locking block 54 and a first spring 55, wherein the second cylinder 52 is rotated The seat 53 and the engaging block 54 are pivotally connected to the first cylinder 51 , so they can rotate relative to the first cylinder 51 to be upright or bent. Please also refer to FIG. 9 , the first cylinder 51 is a hollow cylinder, and the first spring 55 is disposed in the first cylinder 51 , which connects the first cylinder 51 and the engaging block 54 . The rotating base 53 is arranged on one end of the first cylinder 51 in combination with the engaging block 54 (the engaging block 54 is arranged in the chute 531 of the rotating base 53 and can move in a small range in the chute 531 ), and is arranged on one end of the first cylinder 51, and can be opposite to the first The cylinder 51 rotates in the R direction (or the opposite direction). One end of the swivel base 53 has a pivot hole 532, and one end of the second cylinder 52 relative to the swivel base 53 also has a pivot hole 521, and the pivot post 59 passes through the pivot hole 532 and the pivot hole 521 to make the second post 52 The body 52 can pivot relative to the rotating base 53 in the CCW direction (or the opposite direction), and the second cylinder 52 can also drive the rotating base 53 and the engaging block 54 to move relative to the first cylinder 51 along the R direction (or the opposite direction). turn.

When the touch device 5 is in the straight pen-type state as shown in FIG. The abutting block 54, and the engaging block 54 cannot move in the lateral L direction because it abuts against the step portion 512 of the inner wall of the first cylinder 51 at this time, and can only rotate in the R direction on the first cylinder 51 , so the second cylinder 52 can be effectively supported by the engaging block 54 and cannot rotate relative to the rotating seat 53 along the CCW direction. Therefore, the restricting element of the touch device 5 composed of the rotating seat 53 and the engaging block 54 can engage the first cylinder 51 and the second cylinder 52, so that the second cylinder 52 cannot move along the CCW direction relative to the first cylinder 51 ( or the opposite direction) to pivot to constrain the second column 12 in this upright position.

When the second cylinder 52 drives the rotating seat 53 and the engaging block 54 to rotate relative to the first cylinder 51 along the R direction (or the opposite direction), until a T-shaped end 541 of the engaging block 54 is aligned with the first cylinder 51 and is hollow When there is a long slot 511 in the position, the engaging block 54 can move in the transverse L direction relative to the first cylinder 51 in FIG. 511 , while the second column 52 can pivot relative to the first column 51 to the bent position as shown in FIG. 10 . At the same time, the first spring 55 connected between the engaging block 54 and the touch terminal 50 is compressed to have an elastic bias force to push the engaging block 54 toward the second cylinder 52 . Since the second cylinder 52 is in a bent position relative to the swivel seat 53 at this time, the first spring 55 will push the engaging block 54 against the side of the second cylinder 52, which can further push the second cylinder 52 is limited to the bent position shown in FIG. 10 .

Please refer to Figure 11 to Figure 14. Figure 11 is a schematic diagram of the first cylinder 51, which shows the internal structure in a translucent manner, Figure 12 is a schematic diagram of the rotating base 53, Figure 13 is a state of the rotating base 53 and the first cylinder 51 in the third embodiment 14 is a schematic diagram of another state of the rotating seat 53 and the first cylinder 51 of the third embodiment. When the second cylinder 52 of the touch device 5 of the third embodiment rotates in the R direction relative to the first cylinder 51, the first cylinder 51 and the rotating seat 53 respectively have corresponding engaging parts, so that the second cylinder Each time the body 52 rotates 90 degrees relative to the first cylinder 51 (or the first cylinder 51 relative to the second cylinder 52 ), it engages and limits. As shown in FIG. 11 , the inner wall surface of the first cylinder 51 facing the rotating seat 53 has a first clamping point group 513 and a second clamping point group 514 , the first clamping point group 513 protrudes from the first cylinder 51 On the opposite surface of the inner wall, the second locking point group 514 protrudes from the inner wall opposite surface of the first cylinder 51 , and the extension line C of the first locking point group 513 and the extension line D of the second locking point group 514 are perpendicular to each other. As shown in FIG. 12 , the rotating base 53 has a first locking hole group 533 and a second locking hole group 534 on the outer wall surface opposite to the first cylinder 51 . The first locking hole group 533 is located on the opposite surface of the outer wall of the rotating seat 53 . The second locking hole set 534 is located on the opposite surface of the outer wall of the rotating base 53 , and the extension line A of the first locking hole set 533 and the extension line B of the second locking hole set 534 are parallel to each other. When the rotating seat 53 is arranged in the first cylinder 51, the first clamping point group 513 and the first clamping hole group 533 are located on a first section in the space together, and the second clamping point group 514 and the second clamping hole group 534 They are located together on a second cross-section in space. It can be seen from the figure that the first cross-section and the second cross-section are cross-sections with different positions along the axis of the touch device 5 .

Please refer to Figure 13 and Figure 14. When the first cylinder 51 rotates relative to the second cylinder 52 to the state shown in FIG. The extension lines D are perpendicular to each other), and the relative rotation between the two cylinders 51 and 52 of the touch device 5 produces a limiting effect. At this time, the touch device 5 is limited to the upright position (that is, the straight pen-shaped state). When the first cylinder 51 continues to rotate relative to the second cylinder 52 to the state shown in FIG. group 533 disengaged), the extension line B overlaps with the extension line D (while the extension line A and the extension line C are perpendicular to each other), and the relative rotation between the two cylinders 51, 52 of the touch device 5 also produces a limit Function, at this time the touch device 5 can be bent and used as a bracket, and the long slot 511 of the engaging block 54 makes the engaging block 54 relatively long slot 511 in FIG. The center moves in the L direction relative to the first cylinder 51 , so it can be pushed in the long slot 511 by being pushed by the second cylinder 52 rotating in the CCW direction. Through the cooperation of the clamping hole groups 533, 534 and the special positions of the clamping point groups 513, 514, when the first cylinder 51 rotates relative to the second cylinder 52, every ninety degrees of rotation, one of the clamping hole groups will correspond to the corresponding The clamping point groups on the same section are engaged, and the two sets of clamping hole clamping point groups are engaged repeatedly in sequence, so that the rotation between the first cylinder 51 and the second cylinder 52 has the effect of limiting every ninety degrees , increasing the functionality of use. And whenever the card hole and the card point are combined or separated, a click-point feedback will be generated at the same time, so that the user can clearly know the rotation between the first cylinder 51 and the second cylinder 52 at this time. The relative position reminds the user whether the touch device 5 can be bent in this case, which increases the convenience of use.

Please refer to FIG. 15 , which is an exploded schematic diagram of a touch device 7 according to a fourth embodiment of the present invention. The touch device 7 includes a first column 71, a second column 72 and a limiting element 73, wherein the second column 72 is pivotally connected to the first column 71 through a rotating seat 74, so that it can be opposite to the first column The body 71 rotates to be upright or bent. The restricting element 73 is a sleeve, and in the general state of use of the stylus, the restricting element 73 fits on the second and second cylinders 72 and movably fits on the pivot joint between the swivel seat 74 and the first cylinder 71 end or disengage from it. A first spring 75 is connected between the second cylinder 72 and the swivel base 74. When the restricting element 73 fits on the pivot joint between the swivel base 74 and the first cylinder 71, the second cylinder 72 cannot be opposite to the first cylinder. The rotation of the cylinder 71 is constrained in an upright position. When the limiting element 73 and the second column 72 are pulled along the N direction, the limiting element 73 is out of the nested state with the swivel seat 74 and the pivot end of the first column 71, so that the second column 72 can be opposite to the first column. The body 71 rotates to the bent position. At the same time, the first spring 75 connected between the swivel base 74 and the second cylinder 72 is elongated and has a return bias force, which can be driven when the second cylinder 72 pivots to the upright position relative to the first cylinder 71 again. The second cylinder 72 and the restricting element 73 move toward the first cylinder 71 along the direction opposite to the direction N, so that the restricting element 73 fits on the pivoting end of the rotating base 74 and the first cylinder 71 again.

The bendable touch device disclosed in the present invention has a first column in the front section and a second column in the rear section, and the second column is pivotally connected to the first column so that it can be in an upright position relative to the first column Rotate between a bent position. The touch device further includes a restricting element, which can be movably engaged between the first column and the second column, so as to limit the touch device to a vertical pen-type state as a stylus and prevent the stylus from being damaged. Buckling, or a bent state, as a stand for a portable device. The limiting element can also be driven by an elastic bump in the housing of the portable device when the touch device is pulled out from the portable device, and correspondingly break away from the state of restricting the rotation of the second cylinder, so that the touch device is conveniently installed into a bent state.

The above descriptions are only preferred embodiments of the present invention, and all equivalent changes and modifications made according to the claims of the present invention shall fall within the scope of the present invention.

Claims (22)

1. A bendable touch device comprising: first column; the second cylinder is pivotally connected to the first cylinder in a manner to be rotatable relative to the first cylinder to a first position or a second position; and The limiting element is movably engaged between the first column and the second column. When the limiting element engages the first column and the second column, the second column is limited In the first position, the restricting element is a sleeve that is sleeved on the first column in a manner that can move on the first column, and the restricting element is movably fitted on the second column body to engage the first column with the second column, or when the second column is disengaged from the sleeve, the second column can pivot to the second position relative to the first column. 2. The touch device according to claim 1, further comprising an elastic member connected between the restricting element and the first cylinder, when the restricting element is disengaged from the second cylinder, the elastic The file is in a compressed state. 3. The touch device as claimed in claim 1, wherein the limiting element has a protruding portion, and when the touch device moves in a receiving groove of a portable device, wherein the receiving groove further has a The elastic protruding point, the protruding part can be pushed by the elastic protruding point to drive the restricting element to move relative to the first cylinder. 4 . The touch device as claimed in claim 1 , wherein the second column has an abutting portion, and the restricting element fits over the second column and abuts against the abutting portion. 5. The touch device according to claim 1, wherein the restricting element comprises a rotating seat, the second column is pivotally connected to the rotating seat in a manner that can rotate relative to the rotating seat along a first direction, and the rotating The seat is arranged in the first cylinder in a manner that can rotate relative to the first cylinder along a second direction. 6. The touch device as claimed in claim 5, wherein the restricting element further comprises an engaging block, the rotating base has a sliding slot, and the engaging block is disposed in the sliding slot to abut against the second cylinder , constraining the second cylinder to the first position. 7. The touch device according to claim 6, wherein the engaging block has a T-shaped end, and the first cylinder has a long slot, when the rotating seat rotates relative to the first cylinder along the second direction When the T-shaped end is aligned with the elongated slot, the second cylinder can rotate relative to the rotating seat along the first direction, and the engaging block slides in the sliding groove so that the T-shaped end is engaged with the elongated slot. groove. 8. The touch device according to claim 6, further comprising an elastic member connected between the engaging block and the first cylinder, when the second cylinder rotates relative to the rotating seat along the first direction , so that when the engaging block is pushed to slide in the slide groove and engaged with the long groove, the elastic member is in a compressed state. 9. The touch device as claimed in claim 5, wherein the rotating base has a first clamping hole and a second clamping hole opposite to the wall of the first column, and the wall of the first cylinder relative to the rotating base respectively It has a first locking point and a second locking point corresponding to the positions of the first locking hole and the second locking hole. When the rotating seat rotates in the second direction relative to the first cylinder, the first locking point and the second locking point The first locking hole is engaged or the second locking point is engaged with the second locking hole. 10. The touch device according to claim 9, wherein when the rotating base is disposed in the first cylinder, it has a first section and a second section in space, the first card hole and the first card The point is located on the first section, the second clamping hole and the second clamping point are located on the second section, and when the rotating seat rotates 90 degrees relative to the first cylinder, the first clamping point and the second clamping point The second locking points are respectively engaged with the first locking hole and the second locking hole in sequence. 11. The touch device according to claim 1, wherein when the second cylinder is rotated to the first position relative to the first cylinder, the touch device forms a straight pen shape; when the second cylinder When rotating to the second position relative to the first column, the touch device forms an L shape. 12. A portable device with a bendable touch device, comprising: the housing has a receiving groove; and The touch device is accommodated in the accommodating groove, and can be pulled out from the accommodating groove to be separated from the housing. The touch device includes: first column; the second cylinder is pivotally connected to the first cylinder in a manner to be rotatable relative to the first cylinder to a first position or a second position; and The limiting element is movably engaged between the first column and the second column. When the limiting element engages the first column and the second column, the second column is limited In the first position, the restricting element is a sleeve sleeved on the first column in a manner that can move on the first column, and the restricting element is movably fitted on the second column body to engage the first column with the second column, or when the second column is disengaged from the sleeve, the second column can pivot to the second position relative to the first column. 13. The portable device as claimed in claim 12, further comprising an elastic member connected between the restricting element and the first cylinder, when the restricting element is disengaged from the second cylinder, the The elastic member is in a compressed state. 14. The portable device as claimed in claim 12, wherein the restricting element has a protruding part, and the accommodating groove has an elastic protrusion, when the touch device moves in the accommodating groove, the protruding part Pushed by the elastic protruding point, the restricting element is driven to move relative to the first cylinder. 15 . The portable device as claimed in claim 12 , wherein the second column has an abutting portion, and the restricting element fits on the second column and abuts against the abutting portion. 16. The portable device as claimed in claim 12, wherein the restricting element comprises a swivel base, the second cylinder is pivotally connected to the swivel base in a manner to be rotatable relative to the swivel base along a first direction, the The swivel seat is arranged on the first cylinder in a manner to be rotatable relative to the first cylinder along a second direction. 17. The portable device as claimed in claim 16, wherein the restricting element further comprises an engaging block, the rotating base has a sliding slot, and the engaging block is disposed in the sliding slot to abut against the second post body, constraining the second cylinder to the first position. 18. The portable device as claimed in claim 17, wherein the engaging block has a T-shaped end, the first column has a long slot, and when the rotating seat is opposite to the first column along the second direction When the T-shaped end is rotated to align with the long slot, the second cylinder can rotate relative to the rotating seat along the first direction, and the engaging block slides in the sliding groove so that the T-shaped end is engaged with the long slot. 19. The portable device as claimed in claim 17, further comprising an elastic member connected between the engaging block and the first column, when the second column is opposite to the rotating seat along the first direction When rotating to push the engaging block to slide in the sliding groove and engage in the long groove, the elastic member is in a compressed state. 20. The portable device as claimed in claim 12, wherein when the second column rotates relative to the first column to the first position, the touch device forms a straight line pen shape. 21. The portable device as claimed in claim 12, wherein when the second cylinder is rotated to the second position relative to the first cylinder, the touch device forms an L-shape to support the portable device. function of the device. 22. The portable device as claimed in claim 12, wherein the touch device is a stylus, and the portable device can be a mobile phone, a personal digital assistant, a smart phone, a navigation system or a global positioning system device.

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