WO2018219018A1

WO2018219018A1 - Portable stand for mobile terminal

Info

Publication number: WO2018219018A1
Application number: PCT/CN2018/079409
Authority: WO
Inventors: 李小宁; 吉茂良; 蔡传进
Original assignee: 珠海新石科技有限公司
Priority date: 2017-06-01
Filing date: 2018-03-19
Publication date: 2018-12-06

Abstract

A portable stand for a mobile terminal, comprising: rods (1, 1100), connecting bases (3, 1300), stand bars (4, 1400) and a magnetic suction device (1200). The connecting bases are slidingly fitted to the rods; the three stand bars are swingingly connected on the connecting bases; soft rubber sleeves (5, 1500) are provided in the connecting bases; the stand bars swing outwards in a direction from a lower end to an upper end to reach an outwards-stretching position; when the stand bars are at the outwards-stretching position, the stand bars push against the connecting bases and the soft rubber sleeves are extruded between the rods and protrusions (42, 1420) of the stand bars; the magnetic suction device comprises a housing (1220), a magnet (1260) and a sphere (1210); the magnet is fixedly arranged at an upper part of the housing; the lower end of the housing is provided with an opening (1221); the sphere is disposed at the lower end of the housing and is spherically hinged with the housing; a screw hole (1211) is formed on the sphere and at least a part of the sphere is located outside the opening; and a stud (1114) matched with the screw hole is provided on the top of the rods. The stand has the advantages of stability, reliability, broad applicability and portability.

Description

Portable bracket for mobile terminal

Technical field

[0001] The present invention relates to the field of electronic device accessories, and more particularly to a fixed support device, and more particularly to a stand for use in a mobile terminal device. The invention is based on the Chinese utility model patent with the application date being June 1, 2017, the patent number is CN2 01720639849, the application date is July 20, 2017, the application number is CN20171 0594580, and the application date is 2018. The Chinese utility model patent application filed on January 31, the application number is CN2018201 72236, the contents of which are incorporated herein by reference. Background technique

[0002] Existing mobile terminals, such as tablet computers or smart phones, are difficult to handle with one hand due to the large area. Therefore, people design a support for supporting the mobile terminal to support the mobile terminal on the desktop or other support. On the platform, in order to operate the mobile terminal.

[0003] A conventional mobile terminal uses a bracket that can be changed between a bracket and a hand-held lever. The mobile terminal bracket includes a pole, and the upper end of the pole is provided with a pan/tilt and elasticity on the pan/tilt. The clamping device, the mobile terminal device can be clamped in the elastic clamping device. The bracket comprises a telescopic rod, a fixing bracket matched at an upper end of the telescopic rod, and a sleeve disposed at a lower portion of the telescopic rod, and a bracket device is disposed on the sleeve at a lower portion of the telescopic rod, the bracket device including a pivot fixed on the sleeve The socket, the three top legs pivotally connected to the pivoting seat, and the positioning mechanism for limiting the angle of the legs.

[0004] A problem with the existing mobile terminal bracket is that, first, the volume requirement of the elastic gripping device will vary according to the volume of the mobile terminal device, when the user has multiple movements of different sizes and differences. The terminal device 吋, the clamping device mounted on the bracket will not be able to match all the mobile terminal devices, or it is necessary to prepare a plurality of replacement clamping devices, which is inconvenient to use. Secondly, when the number of clamping devices carried is large and the volume is large, the mobile terminal bracket will lose its portable, storage and convenient use value. Second, the bracket can realize the change between the closed position and the external position. The limit of the legs can be realized. When the state of the legs is not stable, the bracket is in the outer tension state. After the bracket is lifted from the support surface, the legs are self-closed under the action of self-weight, which brings great inconvenience to the use of the bracket. technical problem

[0005] It is an object of the present invention to provide a portable stand for a mobile terminal that is robust, reliable, adaptable, and portable.

[0006] Technical solutions

The portable stand for a mobile terminal provided by the present invention includes a rod, a connecting seat and a leg. The connecting seat is sleeved on the rod and is slidably engaged with the rod, and at least three legs are swingably connected to the connecting seat, and the rod includes an upper end and The lower end is oppositely disposed at the lower end; the connecting seat is provided with a soft rubber sleeve, the legs are swinged from the lower end to the outer end to reach the outer tension position, the legs are in the outer tension position, the legs abut the connecting seat and the soft rubber sleeve is pressed Between the rod and the raised portion of the leg.

[0008] Preferably, the upper end of the rod is connected with a connecting member, and the connecting member comprises a circular panel and a circular table portion disposed on the panel, and a limited portion is arranged on a side surface of the circular table portion, and a space is arranged between the limiting portion and the panel , the eccentric connection between the panel and the truncated cone.

[0009] In a further aspect, the outer edge of the panel is provided with a plurality of supporting slopes arranged circumferentially along the panel, and the supporting slopes are outwardly disposed and inclined upward.

[0010] Another solution is that the portable stand for the mobile terminal further includes a magnetic device, and the magnetic device includes a housing

a magnet and a ball; the magnet is fixedly disposed on the upper portion of the outer casing, and the lower end of the outer casing is provided with a tongue, the ball is disposed at the lower end of the outer casing and is coupled with the outer casing ball, the ball is provided with a screw hole, and at least a part of the ball is located outside the mouth; The top is connected with a stud, and the stud protrudes from the end face of the rod, and the stud cooperates with the screw hole.

[0011] Further, the portable stand for the mobile terminal further includes a retaining plate connecting member, the retaining plate connecting member includes a connecting post and a retaining plate disposed at an upper end of the connecting post; the retaining plate connecting member is disposed through the retaining plate connecting member The through hole at the upper and lower ends, after the stud passes through the through hole, passes through the upper end of the retaining plate connector and cooperates with the screw hole; the connecting post is fixedly connected to the rod, and the outer casing can abut against the retaining plate.

[0012] Further, the magnetic device further includes a pressing block and a pressing plate, the pressing block abuts against the ball, the pressing plate abuts against the pressing block, and the pressing plate is fixed in the outer casing by bolts, and A plurality of magnets disposed circumferentially along the outer casing are disposed within the outer casing.

[0013] Still further, the magnetic device further includes a cover cover that covers the upper end of the outer casing; the cover is provided with a plurality of placement slots arranged circumferentially along the cover, and the magnet is placed in the placement slot . [0014] In a further aspect, the soft rubber sleeve is provided with at least three bosses disposed along the circumferential direction of the soft rubber sleeve, and a slot is formed between the boss and the connecting seat, and the legs swing from the outer tension position to the closing position.吋, the raised portion presses the boss and enters the card slot.

[0015] In a further aspect, the rod is provided with a tenon, the inner side of the leg is provided with a groove, and the leg is in the closed position, and the tenon is engaged with the groove.

[0016] Further, the rod is provided with a first limiting protrusion, and the connecting seat is provided with a second limiting protrusion

The first limit protrusion and the second limit protrusion are matched with each other.

[0017] Still further, the radius formed between the outer peripheral surface of the boss and the center of rotation of the leg linearly increases from the circumferential first end of the boss to the circumferential second end of the boss.

[0018] In a further aspect, the circumferential second end of the boss portion is engaged with the card slot, and the plurality of legs are in the closed position 吋, and the outer arc surfaces of the plurality of legs are located on the same circumferential surface.

[0019] A further solution is that the rod is a multi-section telescopic rod.

Problem solution

Advantageous effects of the invention

Beneficial effect

[0020] Due to the squeeze fit of the soft rubber sleeve and the convex portion on the portable support for the mobile terminal of the present invention, the maximum static friction between the rod, the soft rubber sleeve and the leg is effectively increased, and the maximum static friction force is sufficient to counter the weight of the support foot. Therefore, the position of the outer leg of the leg is effectively maintained, which is convenient for the user's use.

[0021] In addition, the magnetic device disposed on the bracket can be rotated at a full angle by a ball, and the upper end of the magnetic device is provided with a magnet, when the user is mounted on the back of a plurality of mobile terminal devices of different sizes or After the metal foil is adhered, a plurality of mobile terminal devices can be magnetically attracted to the magnetic device. The volume of the magnetic device is greatly reduced compared to the volume of the clamping device. The magnetic device is suitable for a plurality of mobile terminal devices, and the mobile terminal is more portable with a portable support.

[0022] Moreover, the retaining plate connector gives a limit to the magnetic device, and the same retaining disk connector serves as a connecting member to more securely mount the magnetic device to the upper end of the rod.

[0023] In addition, the abutting action of the pressing block and the pressing plate generates a certain frictional resistance to the rotation of the ball, and the driving force of the swinging magnetic device is smaller than the maximum static friction force between the pressing block and the ball, and the pressing block Keeping relatively static with the sphere, the rotation of the sphere can be maintained at a certain position, and the mobile terminal can be used. Angle adjustment and angle retention for the carrier.

[0024] Providing a plurality of magnets can form a plurality of magnetic attraction points on the metal piece on the back of the mobile terminal, the design enables the mobile terminal device to more magnetically attract the magnetic attraction device; the magnetic force generated by the plurality of magnetic attraction points interacts The mobile terminal device is prevented from generating a rotational offset relative to the magnetic device under its own weight.

[0025] Moreover, the cooperation of the convex portion and the card slot, the cooperation of the tenon and the groove enables the legs in the closed position to be stably restricted to a fixed position, which is also convenient for the user to use.

In addition, the cooperation between the first limiting protrusion and the second limiting protrusion prevents the connecting seat from slipping out from the upper end of the rod. When the feet are swung, the abutting force between the convex portion and the soft rubber sleeve gradually increases as the radius of the convex portion increases, and the protection structure and the life of the extended structure are advantageous for operation.

Brief description of the drawing

DRAWINGS

1 is a structural diagram of a first embodiment of a portable stand for a mobile terminal according to the present invention.

2 is a structural diagram showing a storage state of a first embodiment of a portable stand for a mobile terminal according to the present invention.

3 is a structural exploded view of a first embodiment of a portable stand for a mobile terminal according to the present invention.

4 is a partial cross-sectional view showing a state in which a first embodiment of a portable stand for a mobile terminal according to the present invention is in a state of being unfolded.

5 is a cross-sectional view showing a stored state of a first embodiment of a portable stand for a mobile terminal according to the present invention.

6 is a view showing a use state of a first embodiment of a portable stand for a mobile terminal according to the present invention.

7 is a structural diagram of a second embodiment of a portable stand for a mobile terminal according to the present invention.

8 is a structural view showing a storage state of a second embodiment of a portable stand for a mobile terminal according to the present invention.

9 is an exploded perspective view showing a magnetic attraction device in a second embodiment of the portable stand for a mobile terminal according to the present invention.

10 is a cross-sectional view showing a second embodiment of a portable stand for a mobile terminal according to the present invention.

11 is an exploded perspective view showing a connecting base of a second embodiment of the portable stand for a mobile terminal according to the present invention.

12 is a cross-sectional view showing a state in which the second embodiment of the portable stand for a mobile terminal is in a state of being unfolded.

13 is a cross-sectional view showing a storage state of a second embodiment of the portable stand for a mobile terminal according to the present invention.

[0040] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Embodiments of the invention

[0041] First embodiment: 1 and FIG. 2, FIG. 1 and FIG. 2 are respectively structural views of a first embodiment of a portable support for a mobile terminal according to the present invention. In this embodiment, the mobile terminal that changes between the tension state and the storage state uses a three-legged portable bracket, and the bracket includes a rod 1, a connecting member 2, a connecting base 3 and three legs 4, and the rod 1 is a multi-segment telescopic rod The rod 1 includes an outer tube body 11, a second tube body 12 receivable in the outer tube body 11, and a third tube body 13 receivable in the second tube body 12. The connecting member 2 is connected to the third tube body 13. The upper end.

The connecting seat 3 is slidably fitted outside the outer tubular body 11, and the three legs 4 are swingably and uniformly mounted in the circumferential position of the connecting seat 3. The leg 4 can be swung between the outer tension position and the closed position, wherein the outer tension position is the limit position of the outer swing of the foot 4, and the closed position is the limit position of the foot 4 storage. The rotational connection point of the leg 4 and the connecting seat 3 is located at the upper end of the leg 4, and the leg 4 can be swung outward from the lower end of the rod 1 toward the upper end of the rod 1 to reach the outer tension position, and the leg 4 is from the upper end of the rod 1 to the rod 1 The lower end is turned inward to reach the closed position. The portable terminal is changed from the tension state to the storage state by the portable bracket. Except that the three legs 4 need to swing from the upper end to the lower end of the rod 1 to reach the folding position, the connecting seat 3 also needs to slide to the upper end limit position of the rod 1, In order to realize the snap fit between the leg 4 and the lower end of the rod 1, the portable stand for the mobile terminal has a stable storage state with a minimum volume. After the three legs 4 are in the stowed position, the outer arc faces of the three legs 4 are on the same circumferential surface, and the mobile terminal in the storage state is cylindrical in shape as a whole.

3 is a structural exploded view of an embodiment of a portable support for a mobile terminal according to the present invention. The outer tube body 11 is provided with a guiding groove 112, and the upper end portion of the guiding groove 112 is provided with a first limiting protrusion 111. A ring-shaped tenon 14 is connected to the lower end of the outer tube body 11, and an annular annular groove 142 is disposed on the upper surface of the tenon 14. The outer peripheral position of the tenon 14 is provided with three uniformly arranged circumferential directions. Matching protrusion 141

The connecting base 3 includes an upper connecting seat 31, a lower connecting seat 32, and a soft rubber sleeve 5 disposed between the upper connecting base 31 and the lower connecting base 32. The upper connecting seat 31 is provided with a downwardly extending portion 312. The end of the protruding portion 312 is provided with a semicircular groove 313, and the lower connecting seat 32 is provided with an indented portion 321 which is provided with a semicircular concave surface. After the upper connecting seat 31 and the lower connecting seat 32 are fitted and fitted, the protruding portion 312 is installed into the indented portion 321 , and the semicircular groove 322 and the semicircular groove 313 form a circular rotating shaft hole. The second limiting protrusion 311 is further disposed on the inner circumferential surface of the upper connecting seat 31. After the connecting seat 31 is moved to a certain position, the second limiting protrusion 311 is protruded by the first limiting protrusion on the outer tubular body 11. From the limit of 111. Wherein, the upper connector 31 and the lower connector 32 The bolts 33 are fixedly connected between each other.

[0046] The soft rubber sleeve 5 has a circular wall shape, and the soft rubber sleeve 5 includes a peripheral wall 51. The peripheral wall 51 is provided with three notches 511 disposed along the circumferential direction thereof, and the upper portion of the notch 511 is disposed to extend outward from the peripheral wall 51. And the boss 52 is out. The soft rubber sleeve 5 is snapped in the inner circumferential position of the connecting seat 3, and the upper and lower ends of the peripheral wall 51 are respectively limited by the upper connecting seat 31 and the lower connecting seat 32, and the inner peripheral surface of the peripheral wall 51 is exposed in the middle of the connecting seat 3 Installed in the hole. Among them, the soft rubber sleeve 5 can be made of an elastic material such as rubber or silica gel having a Shore hardness of 40HA to 50HA.

[0047] The leg 4 includes a leg portion and a connecting head 41 disposed at an upper end of the leg. The rotating shaft 6 is inserted through the connecting head 41. The rotating shaft 6 is mounted on the connecting base 3 and is composed of a semicircular groove 322 and a semicircular groove 313. In the shaft hole, the rotational connection between the leg 4 and the connecting seat 3 is completed. The outer surface of the joint position of the joint head 41 is provided with two convex portions symmetrically arranged. The symmetrical center lines of the two convex portions 42 are perpendicular to the rotary shaft 6.

[0048] The connecting member 2 includes a disc-shaped panel 21 and a truncated portion 22 connected to the panel 21. The upper end of the truncated portion 22 is provided with a disc-shaped limiting portion 23, the central axis of the panel 21, and the truncated portion 22 The central axis and the central axis of the limiting portion 23 are parallel to each other, and the limiting portion 23 and the panel 21 are spaced apart from each other. The panel 21 and the circular table portion 22 are eccentrically connected, and the circular table portion 22 and the outer tubular body 11 are concentrically arranged, and the limit is limited. The outer diameter of the portion 23 is smaller than the outer diameter of the panel 21, the outer diameter of the circular table portion 22 is smaller than the outer diameter of the limiting portion 23, and in the projection direction of the central axis of the panel 21, the contour projection of the limiting portion 23 is completely located on the panel 21. Within the outer contour, the contour projection of the circular table portion 22 is completely within the contour projection of the limiting portion 23. The outer edge of the panel 21 is provided with a plurality of support slopes 211 uniformly arranged along the circumferential direction thereof, and the plurality of support slopes 211 are both outwardly disposed and inclined upward.

4 and FIG. 5, FIG. 4 and FIG. 5 are respectively cross-sectional views showing a collapsed state and a closed state according to an embodiment of the present invention.

The radius formed between the outer peripheral surface of the boss 42 and the center of rotation of the leg 4 linearly increases from the circumferential first end 42a of the boss 42 toward the circumferential second end 42b of the boss, that is, in the circumferential direction The convex portion 42 at the two ends 42b has the largest radius, and the circumferential second end 42b has a height difference from the base circular surface of the leg 4 to form a cross section, so that the peak portion 421 is formed at the circumferential second end 42b. A part of the upper connecting seat 31 is located between the boss 52 of the soft rubber sleeve 5 and the lower connecting seat 32, and the lower end of the upper connecting seat 31 forms a card slot between the boss 52 of the soft rubber sleeve 5 and the lower connecting seat 32. 33. When the leg 4 is in the closed position 吋, the peak portion 421 is located in the card slot 33, and the surface of the 吋 leg 4 is slightly abutted with the soft rubber sleeve ₅ . When the swinging leg 4 is turned over, the peak portion 421 is pressed away from the card slot 33 and the boss 521 having elastic deformation capability is pressed, and then the pressing portion of the boss portion 42 gradually becomes gradually from the lower end surface of the boss 521. Transfer to the peripheral wall 51, and the pressure point is gradually transferred from the circumferential first end 42a to the circumferential second end 4 2b, the pressure of the boss portion 42 on the soft rubber sleeve 5 gradually becomes larger. When the leg 4 reaches the outer tension position due to the limit of the connecting seat 3, the peripheral wall 51 of the soft rubber sleeve 5 is pressed between the peak portion 421 and the outer wall of the outer tubular body 11, the outer tubular body 11 and the soft rubber sleeve 5 The maximum static friction generated between the foot and the foot 4 is sufficient to counteract the external force generated by the self-weight and a certain degree of collision. In addition, since the arcuate joint 53 is provided between the boss 52 and the peripheral wall 51, no sudden occurrence occurs in the process of transferring the pressing point of the boss 42 from the boss 52 to the peripheral wall 51.

[0050] When the leg 4 is swung from the outer tension position to the closed position, the pressing point of the boss portion 42 is transferred from the peripheral wall 51 to the boss 52 until the peak portion 421 is engaged with the position in the card slot 33. The lower end inner side of the leg 4 is provided with a leg 4 in the closed position 吋, and a lower portion of the leg 4 is provided with a recess 43. And a side wall of the groove 43 is provided with a bump 431, the tenon 14 of the lower end of the outer tube body 11 is in the groove 43, and the bump 43 1 on the side wall of the groove 43 is engaged with the tenon 14 In the upper annular groove 142.

[0051] Referring to FIG. 6, FIG. 6 is a use state diagram of an embodiment of the present invention. When the rear wall of the mobile terminal such as the mobile phone 200 has been attached with the buckle 300, the patch 320 of the buckle 300 is located at the back of the mobile phone 200, and the ring member 310 of the buckle 300 is rotatable and swingable relative to the patch 320. The mobile phone 200 is fastened to the truncated cone portion 22 through the ring member 310, and the limiting portion 23 on the truncated portion 22 will limit the ring member 310, and the mobile phone 200 will be stably supported. However, under the self-weight of the mobile phone, the rear side of the sticker 320 will abut against the support slope 211, so that the mobile phone 200 has a current fixed upward angle, and the mobile phone 200 does not sway; After the connecting member 2 performs the turning operation, the abutting position of the ring member 310 and the truncated portion 22 is changed due to the eccentric arrangement between the truncated portion 22 and the panel 21, and the abutment point of the patch 320 and the supporting bevel 211 is changed. The upward angle of the mobile phone 200 also changes.

[0052] Second embodiment:

[0053] Of course, in order to further adapt the mobile terminal to the mobile terminal of different size and size, and also reduce the volume of the portable stand for the mobile terminal, a magnetic device can be disposed at the top end of the stand.

7 and FIG. 8, FIG. 7 and FIG. 8 are structural diagrams showing a second embodiment of the portable support for a mobile terminal in a tension state and a storage state, respectively. The bracket is a portable bracket for a three-legged mobile terminal that can be changed between a tension state and a storage state. The bracket includes a rod 1100, a connecting member, a connecting base 1300 and three legs 1400, and the rod 1100 is a multi-segment telescopic rod. The rod 1100 includes an outer tube body 1110, a second tube body 1120 that can be received in the outer tube body 1110, and a third tube body 1130 that can be received in the second tube body 1120. The connecting member is connected to the upper end of the third tube body 1130. In this embodiment, the connecting member is a magnetic device 1200. The connecting seat 1300 is slidably fitted outside the outer tubular body 1110, and the three legs 1400 are swingably and uniformly mounted in the circumferential position of the connecting seat 1300. The leg 1400 can swing between the outer and the closed position, wherein the outer position is the extreme position of the outer swing of the leg 1400, and the closed position is the limit position of the leg 1400. The pivotal connection point of the leg 1400 and the connecting base 1300 is located at the upper end of the leg 1400. The leg 1400 can be swung from the lower end of the rod 1100 toward the upper end of the rod 1100 to reach the outer tension position, and the leg 1400 is from the upper end of the rod 1 100 to the rod 1100. The lower end is turned inward to reach the closed position. The portable stand for the mobile terminal needs to be changed into the storage state. In addition to the three legs 1400 need to swing from the upper end to the lower end of the rod 1100 to reach the stowed position, the connecting seat 1300 also needs to slide to the upper end limit position of the rod 1100 to realize the foot. The snap fit between the 140 0 and the lower end of the rod 1100, thereby achieving a stable storage state with a minimum volume for the portable stand for the mobile terminal. After the three legs 1400 are in the stowed position, the outer curved surfaces of the three legs 1400 are located on the same circumferential surface, and the mobile terminal in the storage state is generally cylindrical with the portable bracket.

9 and FIG. 10, FIG. 9 is an exploded perspective view of the magnetic device of the present embodiment, and FIG. 10 is a cross-sectional view of the embodiment. In this embodiment, the connecting member is a magnetic device 1200, and the magnetic device 1200 is internally provided with a magnet. The magnetic device 1200 is connected to the upper end of the rod 1100 by ball articulation, and the magnetic device 1200 has an all-round rotational freedom. The metal sheet is mounted on the back of the mobile terminal device such as a mobile phone or a tablet computer, and the mobile terminal device can be attached to the magnetic device 1200.

[0057] The magnetic device 1200 includes a ball 1210, a housing 1220, a compression block 1230, a compression plate 1240, a bolt 1250, a magnet 1260, and a face cover 1270. The outer casing 1220 has a bowl shape, and the lower end of the outer casing 1220 is provided with a mouth 1221. The maximum outer diameter of the mouthpiece 1221 is smaller than the maximum diameter of the ball 1210. The ball 1210 is placed from above the outer casing 1220 into the outer casing 1220, and a part of the ball 1210 is from the mouth. The 1221 is exposed to the lower end of the outer casing 1220. An annular groove 1222 having a rim opening upward is further disposed in the outer casing 1220, and an annular groove 1223 is formed at the upper end of the inner wall of the outer casing 1220.

[0058] The pressing block 1230 is made of a silicone material, and the pressing block 1230 is annular. The middle portion of the pressing block 1230 is provided with a circular first retaining hole 1231 extending through the upper and lower ends of the pressing block 1230. The lower end of the block 1230 is provided with a curved groove that matches the outer surface of the ball 1210. The pressing plate 1240 is a circular plate body, and the pressing plate 1240 is made of a metal material. The middle portion of the pressing plate 1240 is provided with a second retaining hole 1241 extending through the upper and lower ends of the pressing plate 1240, and the pressing plate 1240 is disposed. There are three mounting holes 1242 disposed circumferentially along the compression plate 1240. After the pressing block 1230 and the pressing plate 1240 are installed, the pressing block 1230 is first placed in a fixed position in the outer casing 1220, and the pressing pressing block 1230 is pressed against the ball 1210, and then the pressing plate 1240 is placed on the pressing block. At a fixed position on the 1230, the compression plate 1240 is then locked by bolts 1250, and the three bolts 1250 are threadedly engaged with the annular groove 1222 after passing through the mounting holes 1242. Thereafter, the pressing plate 1240 is pressed against the pressing block 1230, and the pressing block 1230 is pressed against the ball 1210. As the locking depth of the bolt 1250 increases or decreases, the pressing plate 1240 is pressed against the pressing block 1230. As the pressing force increases or decreases, the pressure of the pressing block 1230 to the ball 1210 also increases or decreases, and the abutment between the pressing block 1230 and the ball 1210 can cause the ball 1210 to rotate relative to the pressing block 1230. The frictional force can adjust the starting force of the rotation of the ball 1210 by adjusting the locking degree of the pressing plate 1240, thereby realizing the angle maintaining function after the rotation.

[0059] The cover 1270 is in the shape of a disk, the cover 1270 is made of a silicone material, a ring-shaped annular protrusion 1271 is disposed on the circumferential surface of the cover 1270, and four sides of the cover 1270 are provided along the circumferential direction of the cover 1270. The placement slot 127 2 is disposed, and the contour of the placement slot 1272 matches the contour of the magnet 1260. After the installation of the pressing block 1230 and the pressing plate 1240, the mounting of the magnet 1260 and the cover 1270 is required. The magnet 1260 is a magnet, and the four magnets 1 260 are respectively placed in a placement groove 1272 of the cover 1270, and the cover 1270 Covered on the upper end opening of the outer casing 1220, the annular projection 1271 of the cover 1270 and the annular recess 1223 of the outer casing 1220 cooperate to allow the cover 1270 to be completely and securely mounted on the outer casing 1220.

[0060] Since the ball 1210 is relatively rotatable relative to the outer casing 1220, the pressing block 1230, the magnet 1260, and the cover 1270, etc., it is necessary to fix the ball 1210 to the third rod 1113 located at the uppermost end of the rod 1100, thereby realizing the magnetic device. The rotation of 1200 relative to the rod 1100. A magnetic disk locker 1100 and a stud 1114 are disposed between the magnetic device 1200 and the rod 1100. The retaining disk connector 1700 includes a connecting post 1710 and a retaining plate 1720 disposed at an upper end of the connecting post 1710. The retaining disk 1720 has a disk shape. The shutter connector 1700 is provided with a through hole 1730 extending through the upper and lower ends thereof.

[0061] The ball 1210 is provided with a screw hole 1211. The connecting post 1710 of the retaining plate connector 1700 extends into the top of the third rod 1113, and the retaining disk 1720 is located outside the upper end surface of the third rod 1113. The retaining plate connector 1700 is fixedly welded to the third rod 1113. The stud 1114 penetrates from the lower end of the through hole 1730 and passes through the upper end of the through hole 1730. The portion of the stud 1114 that passes through the through hole 1730 and the ball 1210 The screw holes 1211 are fitted together to achieve mutual fixation of the ball 1210 and the rod 1100. The retaining disk 1720 can limit the magnetic device 1200. After the magnetic device 1200 is rotated to a certain angle, the outer casing 1220 will abut against the retaining disk 1720. [0062] A metal foil is mounted or affixed behind the mobile phone 1900. Under the magnetic attraction of the magnet 1260, the mobile phone 1900 is attracted to the cover 1270. Since the magnetic device 1200 is coupled to the rod 1100 through the ball 1210, the magnetic attraction The device 1200 communicates with the handset 1900 in all directions relative to the lever 1100. The volume of the magnetic device 1200 is greatly reduced compared to the volume of the clamping device, and the magnetic device 1200 is suitable for mobile terminal devices of various sizes, and the portable terminal is more convenient to carry with the portable support.

[0063] Referring to Figures 11, Figure 11 is an exploded view of the structure of the connector in the present embodiment. The outer tube body 1110 is provided with a guiding groove 1112. The upper end portion of the guiding groove 1112 is provided with a first limiting protrusion 1111. A ring-shaped tenon 1140 is connected to the lower end of the outer tube body 111, and an annular annular groove 1142 is disposed on the upper surface of the tenon 1140. The outer circumference of the tenon 1140 is provided with three uniformly arranged circumferential directions. Matching protrusions 1141

The connector 1300 includes an upper connector 1310, a lower connector 1320, and a soft rubber sleeve 1500 disposed between the upper connector 1310 and the lower connector 1320. The upper connecting seat 1310 is provided with a downwardly extending portion 1312, the end of the protruding portion 1 312 is provided with a semicircular groove 1313, the lower connecting seat 1320 is provided with an indented portion 1321, and the indented portion 1321 is provided with a semicircular surface The groove 1322, after the upper connecting seat 1310 and the lower connecting seat 1320 are fitted and fitted, the protruding portion 1312 is installed into the indented portion 1321, and the semicircular groove 1322 and the semicircular groove 1313 form a circular rotating shaft hole. The second limiting protrusion 1311 is further disposed on the inner circumferential surface of the upper connecting seat 1310. When the upper connecting seat 1 310 is moved to a certain position, the second limiting protrusion 1311 is limited by the first limit on the outer tube 1110. The position of the protrusion 11 11 is limited. Wherein, the upper connecting seat 1310 and the lower connecting seat 1320 are fixedly connected by bolts 1330.

[0065] The soft rubber sleeve 1500 has a circular wall shape, and the soft rubber sleeve 1500 includes a peripheral wall 1510. The peripheral wall 1510 is provided with three notches 1511 disposed along the circumferential direction thereof, and the upper portion of the notch 1511 is disposed to extend outward from the peripheral wall 1510. And the boss 1520. The soft rubber sleeve 1500 is mounted on the inner circumferential position of the connecting seat 1300, and the upper and lower ends of the peripheral wall 1510 are respectively restricted by the upper connecting seat 1310 and the lower connecting seat 1320, and the inner peripheral surface of the peripheral wall 1510 is exposed at the middle of the connecting seat 1300. Installed in the hole. Among them, the soft rubber sleeve 1500 can be made of elastic material such as rubber or silica gel having a Shore hardness of 40HA to 50HA.

[0066] The leg 1400 includes a leg portion and a connecting head 1410 disposed at an upper end of the leg. The rotating shaft 1600 is inserted through the connecting head 1410. The rotating shaft 1600 is mounted on the connecting base 1300 and is composed of a semicircular groove 1322 and a semicircular groove 1313. In the shaft hole, the rotational connection between the leg 1400 and the connecting seat 1300 is completed. Connector 1410 weeks Two convex portions 1420 arranged symmetrically are disposed on the outer surface of the position, and the symmetry center lines of the two convex portions 1420 are perpendicular to the rotating shaft 1600.

12 and FIG. 13, FIG. 12 is a cross-sectional view showing a state in which the present embodiment is in a state of being unfolded, and FIG. 13 is a cross-sectional view showing a state in which the embodiment is in a state of being stored. The radius formed between the outer peripheral surface of the boss portion 1420 and the center of rotation of the leg 1400 linearly increases from the circumferential first end 142a of the boss portion 1420 toward the circumferential second end 142b of the boss portion, that is, in the circumferential direction The raised portion 1420 at the two ends 142b has a maximum radius, and the circumferential second end 142b has a height difference from the base circular surface of the leg 1400 to form a cross section, thereby forming a peak portion 1421 at the circumferential second end 142b. A portion of the upper connecting seat 1310 is located between the boss 1520 and the lower connecting seat 1320 of the soft rubber sleeve 1500, and the lower end of the upper connecting seat 1 310 forms a card between the boss 1520 and the lower connecting seat 1320 of the soft rubber sleeve 1500. Slot 1330. When the leg 1400 is in the closed position 吋, the peak portion 1421 is located in the card slot 1330, and the surface of the shin leg 1400 is slightly abutted with the soft rubber sleeve 1500.

[0068] When the swinging foot 1400 is turned outward, the peak portion 1421 is pressed away from the card slot 1330 and the boss 1521 having elastic deformation capability is pressed, and then the pressing portion of the convex portion 1420 is from the boss 1521. The lower end surface is gradually transferred to the peripheral wall 1510, and the pressing point is gradually transferred from the circumferential first end 142a to the circumferential second end 142b, and the pressure of the convex portion 14 20 against the soft rubber sleeve 1500 is gradually increased. When the leg 1400 reaches the outer tension position due to the limit of the connecting seat 1300, the peripheral wall 1510 of the soft rubber sleeve 1500 is pressed between the peak portion 1421 and the outer wall of the outer tube body 1110, and the outer tube body 1110 and the soft rubber sleeve 1500 The maximum static friction generated between the foot and the foot 1400 is sufficient to counteract the external forces generated by the self-weight and a certain degree of collision. Wherein, since the arcuate joint 1530 is provided between the boss 1520 and the peripheral wall 1510, no abrupt occurs during the transfer of the pressing portion of the boss 1420 from the boss 1520 to the peripheral wall 1510.

[0069] When the leg 1400 is swung from the outer tension position to the closed position, the pressing point of the convex portion 1420 is transferred from the peripheral wall 15 10 to the boss 1520 until the peak portion 1421 is engaged with the middle of the card slot 1330. The lower end of the leg 1400 is provided with a leg 1400 in the closed position 吋, and a groove 1430 is provided at the lower portion of the leg 1400. And a side wall of the groove 1430 is provided with a bump 1431. The protrusion 1140 at the lower end of the outer tube body 1110 is in the groove 1430, and the bump 1431 on the side wall of the groove 1430 is engaged with the protrusion 1140. In the annular groove 1142.

[0070] The foot extension position of the portable bracket for the mobile terminal provided by the present invention is effectively maintained, which is convenient for the user to use; when the user is installed on the back of a plurality of mobile terminal devices of different sizes or After the metal foil is adhered, a plurality of mobile terminal devices can be magnetically attracted to the magnetic device. Magnetic device Compared with the volume, the volume of the clamping device is greatly reduced. The magnetic device is suitable for a plurality of mobile terminal devices, and the portable terminal is more convenient to carry with the portable bracket.

[0071] Finally, it should be emphasized that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention.

It will be apparent to those skilled in the art that the present invention may be variously modified and modified, and any modifications, equivalent substitutions, improvements, etc., which are within the spirit and scope of the present invention, should be included in the present invention. Within the scope of protection.

Industrial Applicability

[0073] The portable stand for a mobile terminal of the present invention is mainly used to support a mobile terminal such as a smart phone or a tablet computer, in particular, a handheld mobile terminal device. Since the external position of the foot of the portable bracket for the mobile terminal is effectively maintained, and a small magnetic device is used, and the magnetic device is suitable for a plurality of mobile terminal devices of different sizes, the portable terminal is more portable with the portable support. , and the volume is smaller than the traditional bracket.

Claims

The portable stand for a mobile terminal, comprising a rod, a connecting seat and a leg, the connecting seat being fitted on the rod and slidably engaged with the rod, at least three of the legs being swingably connected to the connecting seat The rod includes an upper end and a lower end disposed opposite to the upper end; and wherein:

a soft rubber sleeve is disposed in the connecting seat, the leg swings outward from the lower end toward the upper end to reach an outer tension position, the leg is in the outer tension position, the leg and the connecting seat Abutting and the soft rubber sleeve is pressed between the rod and the raised portion of the leg. The portable stand for a mobile terminal according to claim 1, wherein: the upper end of the rod is connected with a connecting member, and the connecting member comprises a circular panel and a truncated portion provided on the panel. A finite portion is disposed on a side surface of the truncated cone portion, and a space is disposed between the limiting portion and the panel; and the panel and the truncated cone portion are eccentrically connected.

A portable stand for a mobile terminal according to claim 2, wherein: the outer edge of the panel is provided with a plurality of support slopes arranged circumferentially of the panel, the support slopes being outwardly disposed and inclined upward.

The portable stand for a mobile terminal according to claim 1, wherein: the portable stand for the mobile terminal further includes a magnetic device, and the magnetic device includes a housing

, magnets and spheres;

The magnet is fixedly disposed on an upper portion of the outer casing, and a lower end of the outer casing is provided with a tongue, the ball is disposed at a lower end of the outer casing and is coupled with the outer casing ball, and the spherical body is provided with a screw hole. At least a portion of the sphere is located outside the mouthpiece;

A stud is attached to the top of the rod, and the stud protrudes from an end surface of the rod, and the stud cooperates with the screw hole.

The portable stand for a mobile terminal according to claim 4, wherein: the portable stand for the mobile terminal further comprises a baffle connector, the baffle connector comprising a connecting post and a block disposed at an upper end of the connecting post plate;

The retaining plate connector is provided with a through hole penetrating the upper and lower ends of the retaining plate connector, and the stud is worn After passing through the through hole, the upper end of the retaining plate connector passes through and cooperates with the screw hole; the connecting post is fixedly connected to the rod, and the outer casing can abut against the retaining disk.

[Claim 6] The portable stand for a mobile terminal according to claim 4 or 5, wherein: the magnetic attraction device further includes a pressing block and a pressing plate, the pressing block abutting the spherical body The pressing plate abuts against the pressing block, and the pressing plate is fixed in the outer casing by bolts.

[Claim 7] The portable stand for a mobile terminal according to any one of claims 4 to 6, wherein a plurality of the magnets disposed circumferentially along the outer casing are disposed in the outer casing.

[Claim 8] The portable stand for a mobile terminal according to any one of claims 4 to 7, wherein the magnetic attraction device further comprises a cover, the cover is attached to an upper end of the outer casing; The face cover is provided with a plurality of placement grooves arranged circumferentially along the face cover, and the magnet is placed in the placement groove.

[Claim 9] The portable stand for a mobile terminal according to any one of claims 1 to 8, wherein the soft rubber sleeve is provided with at least three bosses disposed along a circumferential direction of the soft rubber sleeve. A card slot is formed between the boss and the connecting seat, and the leg swings from the outer tension position to the closing position.

The protrusion enters the card slot after pressing the boss.

[Claim 10] The portable stand for a mobile terminal according to claim 9, wherein:

The rod is provided with a tenon, the inner side of the leg is provided with a groove, and the leg is in a closed position, and the tenon is engaged with the groove.

[Claim 11] The portable stand for a mobile terminal according to claim 9 or 10, wherein: the rod is provided with a first limiting protrusion, and the connecting seat is provided with a second limiting protrusion The first limiting protrusion and the second limiting protrusion are matched with each other.

[Claim 12] The portable stand for a mobile terminal according to any one of claims 9 to 11, characterized in that:

a radius formed between an outer peripheral surface of the boss and a center of rotation of the leg from the convex The circumferential first end of the riser linearly increases toward the circumferential second end of the raised portion.

[Claim 13] The portable stand for a mobile terminal according to any one of claims 9 to 12, characterized in that:

The circumferential second end of the boss cooperates with the card slot.

[Claim 14] The portable stand for a mobile terminal according to any one of claims 1 to 13, characterized by:

A plurality of the legs are in a closed position 吋, and outer curved surfaces of the plurality of legs are located on the same circumferential surface.

[Claim 15] The portable stand for a mobile terminal according to any one of claims 1 to 14, characterized by:

The rod is a multi-section telescopic rod.