CN209517244U - A kind of automatic locking-type handset bracket - Google Patents

Abstract

The utility model discloses a kind of automatic locking-type handset brackets, belong to handset bracket field, automatic locking-type handset bracket includes outer housing, it is slidably attached on the outer housing for clamping at least two clamping limb of mobile phone, it further include inside the outer housing for driving the rotation driving cylinder group of at least two clamping limb sliding extension, the locking mechanism of the rotation driving cylinder group being internally provided with for locking the rotation driving cylinder group, the locking mechanism includes the locking column that wedge groove is offered on side wall, the roller of relatively narrow side in the wedge groove, it is connected in the wedge groove on the side wall of wider side for contradicting the limit spring of the roller.Automatic locking-type handset bracket disclosed by the utility model, clamping mobile phone is convenient and can lock mobile phone automatically, and clamping is firm, and mobile phone loosens when can prevent vibrated.

Description

A kind of automatic locking-type handset bracket

Technical field

The utility model relates to handset bracket field more particularly to a kind of automatic locking-type handset brackets.

Background technique

Additional device of the handset bracket as mobile phone is usually used in the position of fixed mobile phone.Mobile phone support is used for automobile It is interior that mobile phone is fixed, the operation such as navigated, answered while in order to drive.

Existing mobile phone support often clamps mobile phone by clamping limb, but its supporting structure is unstable to the clamping of mobile phone Gu easily loosening mobile phone in thump or when handset bracket is hit, the normal use of the functions such as Mobile Telephone Gps is influenced, And easily break mobile phone.In addition, existing mobile phone support when clamping mobile phone, needs to manually adjust runing rest to clamp hand Machine, it is inconvenient, when especially needing to be clamped in mobile phone on handset bracket in driving process, the operation of two hands is often needed, greatly Influence the safety driven.

Utility model content

For overcome the deficiencies in the prior art, the technical problem to be solved by the utility model is to propose a kind of automatic lock Fixed pattern handset bracket, clamping mobile phone is convenient and can lock mobile phone automatically, and clamping is firm, and mobile phone loosens when can prevent vibrated.

The technical scheme adopted by the utility model is

A kind of automatic locking-type handset bracket provided by the utility model, including outer housing, be slidably attached at it is described It further include inside the outer housing for driving at least for clamping at least two clamping limb of mobile phone on outer housing The rotation of two clamping limb sliding extensions drives cylinder group；The rotation driving cylinder group is internally provided with for locking State the locking mechanism of rotation driving cylinder group；The locking mechanism includes the locking column that wedge groove is offered on side wall, set on described The roller of relatively narrow side in wedge groove is connected in the wedge groove on the side wall of wider side for contradicting the limit of the roller Position spring.

As the further improvement of this programme, the rotation driving cylinder group includes rotary barrel, is set to the rotary barrel The gear ring on top, one end are set to the support rod for driving the rotary barrel to rotate inside the rotary barrel, described Locking mechanism is located at the inside of the gear ring, the clamping limb include be located at the outer housing two sides left clamping limb and Right clamping limb puts on the left clamping limb inside the outer housing and is provided with left rack gear, puts in inside the outer housing Right rack gear is provided on the right clamping limb, the two sides of the gear ring are mutually nibbled with the left rack gear and the right rack gear respectively It closes.

As the further improvement of this programme, it is provided with multiple spiral raised lines on the inner sidewall of the rotary barrel, is located at Drive ring is provided on the support rod inside the rotary barrel, offered on the outer wall of the drive ring respectively with it is multiple The compatible multiple inclined grooves of the spiral raised line.

As the further improvement of this programme, the inside top of the rotary barrel is provided with top plate；The gear ring and The locking mechanism is located at the top of the top plate, and the support rod is located at the lower section of the top plate, the top of the support rod Compressed spring is provided between the top plate.

As the further improvement of this programme, rotation gear ring is connected at the top of the gear ring, the clamping limb is also Including be located at the outer housing two sides fore-clamp gripping arm and rear clamping limb, put in the front clamp inside the outer housing It is provided with preceding rack gear on arm, puts on the rear clamping limb inside the outer housing and is provided with rear rack gear, the rotation gear The two sides of ring are meshed with the preceding rack gear and the rear rack gear respectively.

As the further improvement of this programme, between the upper surface of the gear ring and the lower end surface of the rotation gear ring Abutting has rubber washer.

As the further improvement of this programme, the top of the outer housing is detachably connected with top cover, the locking column Upper end be fixed on the top cover, be fixed on the top cover for contradict it is described rotation gear ring holddown spring.

As the further improvement of this programme, the roller is internally provided with reset pulling axis, described to reset the upper of pulling axis End extends the roller and is connected with the one end for resetting driving lever, and the other end for resetting driving lever extends to the outer housing It is external.

As the further improvement of this programme, the left clamping limb includes for clamping the left grip block of mobile phone, being connected to The left sliding panel of the left grip block side, one end of the left rack gear are connected on the left sliding panel, the left sliding panel On offer left sliding groove, left slide post compatible with the left sliding groove, the right clamping are provided on the outer housing Arm includes the right sliding panel for clamping the right grip block of mobile phone, being connected to the right grip block side, and the one of the right rack gear End be connected on the right sliding panel, right sliding groove is offered on the right sliding panel, be provided on the outer housing with it is described The compatible right slide post of right sliding groove.

As the further improvement of this programme, the other end of the support rod through the outer housing and is extended to described outer One end of the outside of shell, the support rod outside the outer housing is connected with universal ball seat.

Compared with prior art, the utility model has the beneficial effects that

A kind of automatic locking-type handset bracket provided by the utility model rotates driving cylinder group, rotation driving by setting For clamping limb sliding extension on cylinder group rotation driving outer housing to clamp mobile phone, one-handed performance, clamping mobile phone is convenient, passes through Being arranged includes locking mechanism that side wall opens up the locking column of wedge groove, roller and spring, and roller is against wedge by limit spring always Relatively narrow one end of shape slot, in rotation driving cylinder group with respect to locking column from relatively narrow one end of wedge groove to the wider extreme direction of wedge groove When rotation, so that roller is rotated rotation driving cylinder group can normally to collapse clamping limb towards the wider one end rolling of wedge groove and clamp Mobile phone makes when rotation driving cylinder group is rotated relative to locking column from wider one end of wedge groove to the relatively narrow extreme direction of wedge groove Roller rolls that driving cylinder group and locking column phase wedging will be rotated towards the relatively narrow one end of wedge groove, and then locks clamping limb, thus It realizes automatic locking, prevents rotation driving cylinder group from occurring to turn round and loosen mobile phone after collapsing clamping limb, make rotation driving cylinder Group can only rotate in one direction and collapse left clamping limb and right clamping limb, and revolution is then clamped, and clamping is more firm, can be effective Prevent handset bracket from causing mobile phone to loosen when being vibrated.

Detailed description of the invention

Fig. 1 is the plan structure signal of the automatic locking-type handset bracket provided in specific embodiment of the present invention Figure；

Fig. 2 is the sectional structure signal of the automatic locking-type handset bracket provided in specific embodiment of the present invention Figure；

Fig. 3 is the structural schematic diagram of the rotary barrel provided in specific embodiment of the present invention；

Fig. 4 is the structural schematic diagram of the reset driving lever provided in specific embodiment of the present invention.

In figure:

1, outer housing；10, clamping limb；2, left clamping limb；3, right clamping limb；21, left rack gear；31, right rack gear；4, rotation is driven Dynamic cylinder group；41, rotary barrel；42, gear ring；43, support rod；5, locking mechanism；51, wedge groove；52, locking column；53, it rolls Column；54, limit spring；401, spiral raised line；44, drive ring；402, inclined groove；45, top plate；46, compressed spring；47, it revolves Rotating disk ring；6, fore-clamp gripping arm；7, rear clamping limb；61, preceding rack gear；71, rear rack gear；48, rubber washer；11, top cover；12, it presses Tight spring；55, pulling axis is resetted；56, driving lever is resetted；22, left grip block；23, left sliding panel；24, left sliding groove；25, left sliding Column；32, right grip block；33, right sliding panel；34, right sliding groove；35, right slide post；8, universal ball seat；9, fixing clamp；57, it cuts with scissors Connect disk.

Specific embodiment

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art and technical solution are briefly described, it should be apparent that, it is described below Attached drawing be only some embodiments of the utility model, for those of ordinary skill in the art, do not paying creativeness Under the premise of labour, it can also be obtained according to these attached drawings other attached drawings.

The present invention will be further described with reference to the accompanying drawing.

As shown in Figures 1 to 4, a kind of automatic locking-type handset bracket provided in this embodiment, including outer housing 1, can slide It is connected on outer housing 1 dynamicly for clamping at least two clamping limb 10 of mobile phone, further includes the use inside outer housing 1 Cylinder group 4 is driven in the rotation of 10 sliding extension of clamping limb of driving at least two, rotation being internally provided with for cylinder group 4 of driving is used for The locking mechanism 5 of locking rotation driving cylinder group 4, locking mechanism 5 include offering the locking column 52 of wedge groove 51 on side wall, being set to The roller 53 of relatively narrow side in wedge groove 51 is connected in wedge groove 51 on the side wall of wider side for contradicting the limit of roller 53 Position spring 54, rotation driving cylinder group 4 include rotary barrel 41, the gear ring 42 set on 41 top of rotary barrel, one end set on rotation The support rod 43 for driving rotary barrel 41 to rotate inside drum body 41, locking mechanism 5 are located at the inside of gear ring 42, press from both sides Gripping arm 10 includes the left clamping limb 2 and right clamping limb 3 for being located at 1 two sides of outer housing, puts in the left clamping inside outer housing 1 It is provided with left rack gear 21 on arm 2, puts on the right clamping limb 3 inside outer housing 1 and is provided with right rack gear 31, the two of gear ring 42 Side is meshed with left rack gear 21 and right rack gear 31 respectively, and gear ring 42 and rotary barrel 41 are integrated chemical conversion type, and rotation driving is more Add firm, the diameter of roller 53 maximum width radial along locking column 52 less than wedge groove 51, convenient for the rolling of roller 53, spring The axis of 54 axis and locking column 52 is mutually perpendicular to, and one end of limit spring 54 is fixed on the side wall of wedge groove 51, limit The other end of spring 54 is free end and to abut against with roller 53, limit spring 54 by roller 53 always against wedge groove 51 compared with The quick wedging locking column 52 of roller 53 and gear ring 42 are convenient in narrow one end.By the cooperation of support rod 43 and rotary barrel 41, make Rotary barrel 41 rotates and gear ring 42 is driven to rotate, and rotary barrel 41 and the opposite locking column 52 of gear ring 42 are by wedge groove at this time 51 relatively narrow one end is rotated towards wider one end of wedge groove 51, and rotary barrel 41 and gear ring 42 are to rotate in the forward direction at this time for definition, Locking column 52 is fixed, and roller 53 is taken to wedge shape by relatively narrow one end of wedge groove 51 by rotating in the forward direction for gear ring 42 Wider one end of slot 51, gear ring 42 smooth can be rotated relative to locking column 52, so that gear ring 42 be made to collapse a left side respectively from two sides Clamping limb 2 and right clamping limb 3, left clamping limb 2 slide in opposition with right clamping limb 3, opposite to draw close, left clamping limb 2 and right clamping limb 3 Between formed for clamping the clamping position of mobile phone, so that mobile phone be clamped, when gear ring 42 and rotary barrel 41 are with respect to locking column 52 by wider one end of wedge groove 51 towards relatively narrow one end of wedge groove 51 when being rotated, definition rotary barrel 41 and gear ring 42 at this time For counter-rotating, the inner wall of gear ring 42 drives roller 53 to be rolled by wider one end of wedge groove 51 towards relatively narrow one end of wedge groove 51 Dynamic, roller 53 is clamped between 51 inner wall of 42 inner wall of gear ring and wedge groove, by gear ring 42 and 52 wedging of locking column, thus from Dynamic locking teeth torus 42 and rotary barrel 41, prevent 42 counter-rotating of gear ring and drive left clamping limb 2 and right 3 phase of clamping limb Mutually far from causing mobile phone to loosen, mobile phone clamping is more consolidated, even if being hit or being vibrated in automatic locking-type handset bracket When can still clamp mobile phone, effectively prevent mobile phone to loosen, and clamp mobile phone it is convenient, one-handed performance.

To drive rotary barrel 41 to rotate convenient for the cooperation of rotary barrel 41 and support rod 43, further, rotary barrel Multiple spiral raised lines 401 are provided on 41 inner sidewall, multiple spiral raised lines 401 are integrated chemical conversion type, position with rotary barrel 41 Drive ring 44 is arranged on support rod 43 inside rotary barrel 41, offered on the outer wall of drive ring 44 respectively with multiple spiral shells Revolve the compatible multiple inclined grooves 402 of raised line 401.Support rod 43 is fixed, mobile phone is placed in left clamping limb 2 and right clamping limb It between 3 and pushes, moves down 41 stress of rotary barrel with respect to support rod 43, meanwhile, because of inclined groove 402 and spiral raised line 401 cooperation can be such that rotary barrel 41 is rotated in the forward direction while moving down, and gear ring 42 is driven to rotate in the forward direction, thus It collapses left clamping limb 2 and right clamping limb 3 and clamps mobile phone, so that roller 53 is rolled to the wider by one of wedge groove 51 when stirring roller 53 Side, latch-release mobile phone and are pulled up by holding with a firm grip, move up 41 stress of rotary barrel with respect to support rod 43, go forward side by side Row counter-rotating is located remotely from each other to drive the sliding opposite with right clamping limb 3 of left clamping limb 2, so that mobile phone is unclamped, clamping, pine Machine of slipping out of the hand is extremely convenient, easy to operate.

For the reset convenient for rotary barrel 41 with respect to support rod 43, further, the inside top of rotary barrel 41 is arranged There is top plate 45, top plate 45 and rotary barrel 41 are integrated chemical conversion type, and gear ring 42 and locking mechanism 5 are located at the top of top plate 45, The locking bit for disposing locking mechanism 5 is formed between the upper surface of top plate 45 and the inner wall of gear ring 42, is convenient for locking mechanism 5 Placement, support rod 43 is located at the lower section of top plate 45, is connected with compressed spring 46 between the top and top plate 45 of support rod 43, presses One end of contracting spring 46 is fixedly connected on the top of support rod 43, and the other end of compressed spring 46 is free end and contradicts top plate 45, when rotary barrel 41 is moved down and is rotated in the forward direction with respect to support rod 43,46 forced compression of compressed spring, when 41 phase of rotary barrel When moving up simultaneously counter-rotating to support rod 43, by the elastic potential energy of compressed spring 46, convenient for rotary barrel 41 with respect to support rod 43 move up reset.

To enhance the stability clamped to mobile phone, and convenient for being clamped to various sizes of mobile phone, further, gear The top of ring 42 is connected with rotation gear ring 47, and locking mechanism 5 is located at gear ring 41 and rotates the inside of gear ring 47, clamping limb 10 further include the fore-clamp gripping arm 6 and rear clamping limb 7 for being located at 1 two sides of outer housing, left clamping limb 2, right clamping limb 3, front clamp Arm 6 and rear clamping limb 7 clamp mobile phone, left clamping limb 2 and right clamping limb 3 from four orientation respectively and clamp from the width direction of mobile phone Mobile phone two sides, fore-clamp gripping arm 6 and rear clamping limb 7 clamp mobile phone both ends from the length direction of mobile phone, before putting in inside outer housing 1 Rack gear 61 before being provided on clamping limb 6, puts on the rear clamping limb 7 inside outer housing 1 and is provided with rear rack gear 71, rotates gear ring 47 two sides are meshed with preceding rack gear 61 and rear rack gear 71 respectively, the upper surface of gear ring 42 and the lower end of rotation gear ring 47 Abutting between face has rubber washer 48, and the upper surface of gear ring 42 and the lower end surface of rotation gear ring 47 are provided with anti-skid chequer, The frictional force between 42 upper surface of gear ring and rubber washer 48 can be increased and rotate 47 lower end surface of gear ring and rubber washer 48 Between frictional force, rotated by rotary barrel 41 and gear ring 42 driven to rotate, make left clamping limb 2 and right clamping limb 3 are opposite to lean on Hold together and clamps mobile phone width direction two sides, meanwhile, gear ring 42 drives rotation gear ring 47 to rotate by rubber washer 48, rotation The two sides of gear ring 47 drive preceding rack gear 61 and rear rack gear 71 to slide in opposition respectively, lean on fore-clamp gripping arm 6 and rear clamping limb 7 relatively Hold together and the both ends of opponent's machine length direction clamp, so that mobile phone width direction and length direction be made to be clamped, effectively increases The stability that strong automatic locking-type handset bracket clamps mobile phone, prevents mobile phone from loosening, and upper surface and rotation because of gear ring 42 Rubber washer 48 is abutted between the lower end surface of rotating disk ring 47, makes opposite to slide between gear ring 42 and rotation gear ring 47, After the both ends of 7 opponent's machine length direction of fore-clamp gripping arm 6 and rear clamping limb clamp, rotation gear ring 47 is motionless, rotary barrel 41 Can continue rotation drives left clamping limb 2 and right clamping limb 3 to draw close relatively and clamp mobile phone width direction two sides, so as to difference The mobile phone of size is clamped, and applicability is wide.

To guarantee gear ring 42 and rotating the stability cooperated between gear ring 47, make gear ring 42 that can stablize drive rotation Rotating disk ring 47 rotates, and further, the top of outer housing 1 is detachably connected with top cover 11, and the upper end of locking column 52 is fixed On top cover 11, locking column 52 and top cover 11 are integrated chemical conversion type, and the upper surface of top cover 11 is used to place mobile phone, top cover 11 Be fixed on lower end surface for contradict rotation gear ring 47 holddown spring 12, holddown spring 12 be located at rotation gear ring 47 with Between top cover 11, one end of holddown spring 12 is fixedly connected on the lower end surface of top cover 11, and the other end of holddown spring 12 is certainly By holding and contradicting rotation gear ring 47, rotation gear ring 47 can be offseted with gear ring 42, it is steady when being rotated convenient for gear ring 42 Drive rotary teeth torus 47 to rotate, to guarantee the stabilization clamped to mobile phone surely.

Mobile phone is unclamped to unlock convenient for automatic locking-type handset bracket, further, roller 53 is internally provided with Pulling axis 55 is resetted, the upper end for resetting pulling axis 55 extends roller 53 and is connected with the one end for resetting driving lever 56, resets driving lever 56 The other end extends to the outside of outer housing 1, and the middle part for resetting driving lever 56 is provided with hinged disk 57, and hinged disk 57 is hinged on top cover On 11 lower end surface, by stirring the one end for resetting driving lever 56 and being located at outside outer housing 1, make to reset driving lever 56 with respect to hinged disk 57 Rotation is rolled roller 53 by relatively narrow one end of wedge groove 51 so that stirring the other end for resetting driving lever 56 resets pulling axis 55 To the wider one end of wedge groove 51, and pulling up mobile phone moves up outer housing 1 and rotary barrel 41, consequently facilitating gear ring 42, rotate 47 counter-rotating of gear ring, respectively drive left clamping limb 2 and right clamping limb 3 be away from each other sliding, fore-clamp gripping arm 6 and after Clamping limb 7 is away from each other sliding, to make mobile phone loosen, can quickly and easily unlock and loosen mobile phone.

For the sliding extension and clamping mobile phone convenient for clamping limb 10, further, left clamping limb 2 includes for clamping hand The left grip block 22 of machine, the left sliding panel 23 for being connected to left 22 side of grip block, one end of left rack gear 21 are connected to left sliding panel On 23, left sliding groove 24 is offered on left sliding panel 23, and left slide post compatible with left sliding groove 24 is provided on outer housing 1 25, right clamping limb 3 includes the right sliding panel 33 for clamping the right grip block 32 of mobile phone, being connected to right 32 side of grip block, right One end of rack gear 31 is connected on right sliding panel 33, and right sliding groove 34 is offered on right sliding panel 33, be provided on outer housing 1 with The compatible right slide post 35 of right sliding groove 34, when the rotation of gear ring 42 drives left rack gear 21 and right rack gear 31 to relatively move, Left rack gear 21 drives left sliding panel 23 to slide, and left sliding groove 24 and left slide post 25 are for limiting the sliding position of left sliding panel 23 It moves, left sliding panel 23 drives left grip block 22 mobile and clamps to mobile phone, and left sliding panel 23 mutually hangs down with left grip block 22 Directly, right rack gear 31 drives right sliding panel 33 to slide, and right sliding groove 34 is used to limit the sliding of right sliding panel 33 with right slide post 35 Displacement, right sliding panel 33 drive right grip block 32 mobile and clamp mobile phone, and right sliding panel 33 is mutually perpendicular to right grip block 32.Before Clamping limb 6 includes the advancing slip movable plate for clamping the front clamp plate of mobile phone, being connected to front clamp plate side, and the one of preceding rack gear 61 End is connected on advancing slip movable plate, and front slide slot is offered on advancing slip movable plate, is provided on outer housing 1 compatible with front slide slot Front slide column, rear clamping limb 7 include the rear sliding panel for clamping the rear grip block of mobile phone, being connected to rear grip block side, after One end of rack gear 71 is connected on rear sliding panel, and rear sliding groove is offered on rear sliding panel, is provided on outer housing 1 and slides with after Slide post after slot is compatible, the rotation by rotating gear ring 47 drive preceding rack gear 61 and rear rack gear 71 to slide in opposition and draw close, Preceding rack gear 61 drives advancing slip movable plate to slide, and front slide slot is slided with respect to front slide column, for limiting the slide displacement of advancing slip movable plate, Front slide strip moves the mobile clamping mobile phone of front clamp plate, and advancing slip movable plate is mutually perpendicular to front clamp plate, and rear rack gear 71 is sliding after driving Movable plate sliding, the relatively rear slide post sliding of rear sliding groove, for the slide displacement of sliding panel after limiting, rear sliding panel presss from both sides after driving It holds plate movement and clamps mobile phone, rear sliding panel is mutually perpendicular to rear grip block.

For the direction convenient for adjusting automatic locking-type handset bracket, further, the other end of support rod 43 runs through shell One end of body 1 and the outside for extending to outer housing 1, the support rod 43 outside outer housing 1 is connected with universal ball seat 8, is located at One end of support rod 43 outside outer housing 1 is fixed with multi-directional ball, and the outer cover of multi-directional ball is equipped with universal ball seat, passes through torsion Outer housing 1 and support rod 43 can the convenient automatic locking-type handset bracket of adjustment direction, the lower end of universal ball seat 8 is provided with solid Clamp 9, convenient for automatic locking-type handset bracket to be fixed in automobile, certainly, the bottom end of universal ball seat 8 may also set up adhesive band And it is pasted and fixed in automobile.

When for convenient for mobile phone being clamped on automatic locking-type handset bracket, charging cable, data line and earphone cable and mobile phone Connection, further, because the interface of the data line of mobile phone, charging cable and earphone cable is generally arranged at the top of mobile phone length direction Portion or bottom offer on the front clamp plate of fore-clamp gripping arm 6, on the rear grip block of rear clamping limb 7 for charging cable, data line And the groove body that earphone cable passes through can also be set on the left grip block 22 of left clamping limb 2 and the right grip block 32 of right clamping limb 3 certainly Groove body is set, to be suitable for the setting of distinct interface on different mobile phones.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, any change or replacement expected without creative work be should be covered within the scope of the utility model. Therefore, the protection scope of the utility model should be determined by the scope of protection defined in the claims.

Claims (10)

1. a kind of automatic locking-type handset bracket, including outer housing (1), it is slidably attached on the outer housing (1) and is used for Clamp at least two clamping limb (10) of mobile phone, it is characterised in that:

It further include the rotation that is used to drive at least two clamping limb (10) sliding extension internal set on the outer housing (1) Turn driving cylinder group (4)；

The locking mechanism (5) of rotation driving cylinder group (4) being internally provided with for locking rotation driving cylinder group (4)；

The locking mechanism (5) includes the locking column (52) for offering wedge groove (51) on side wall, is set to the wedge groove (51) In relatively narrow side roller (53), be connected in the wedge groove (51) on the side wall of wider side for contradicting the roller (53) limit spring (54).

2. a kind of automatic locking-type handset bracket according to claim 1, it is characterised in that:

It is described rotation driving cylinder group (4) include rotary barrel (41), be set to the rotary barrel (41) top gear ring (42), One end is set to the rotary barrel (41) internal support rod (43) for driving the rotary barrel (41) to rotate；

The locking mechanism (5) is located at the inside of the gear ring (42)；

The clamping limb (10) includes the left clamping limb (2) and right clamping limb (3) for being located at the outer housing (1) two sides, is stretched Left rack gear (21) are provided on the left clamping limb (2) internal into the outer housing (1), it is internal to put in the outer housing (1) The right clamping limb (3) on be provided with right rack gear (31)；

The two sides of the gear ring (42) are meshed with the left rack gear (21) and the right rack gear (31) respectively.

3. a kind of automatic locking-type handset bracket according to claim 2, it is characterised in that:

Multiple spiral raised lines (401) are provided on the inner sidewall of the rotary barrel (41)；

Drive ring (44) are provided on the support rod (43) internal positioned at the rotary barrel (41)；

It is recessed that multiple inclinations compatible with multiple spiral raised lines (401) respectively are offered on the outer wall of the drive ring (44) Slot (402).

4. a kind of automatic locking-type handset bracket according to claim 2 or 3, it is characterised in that:

The inside top of the rotary barrel (41) is provided with top plate (45)；The gear ring (42) and the locking mechanism (5) Positioned at the top of the top plate (45), the support rod (43) is located at the lower section of the top plate (45)；

Compressed spring (46) are provided between the top and the top plate (45) of the support rod (43).

5. a kind of automatic locking-type handset bracket according to claim 2 or 3, it is characterised in that:

Rotation gear ring (47) is connected at the top of the gear ring (42)；

The clamping limb (10) further includes the fore-clamp gripping arm (6) and rear clamping limb (7) for being located at the outer housing (1) two sides； It puts on the internal fore-clamp gripping arm (6) of the outer housing (1) and is provided with preceding rack gear (61), put in the outer housing (1) Rear rack gear (71) are provided on the rear clamping limb (7) in portion；

The two sides of rotation gear ring (47) are meshed with the preceding rack gear (61) and the rear rack gear (71) respectively.

6. a kind of automatic locking-type handset bracket according to claim 5, it is characterised in that:

Rubber washer (48) have been abutted between the upper surface of the gear ring (42) and the lower end surface of rotation gear ring (47).

7. a kind of automatic locking-type handset bracket according to claim 5, it is characterised in that:

The top of the outer housing (1) is detachably connected with top cover (11)；

The upper end of the locking column (52) is fixed on the top cover (11)；

The holddown spring (12) for contradicting rotation gear ring (47) is fixed on the top cover (11).

8. a kind of automatic locking-type handset bracket according to claim 1, it is characterised in that:

Being internally provided with for the roller (53) resets pulling axis (55)；

The upper end for resetting pulling axis (55) extends the roller (53) and is connected with the one end for resetting driving lever (56), described multiple The other end of position driving lever (56) extends to the outside of the outer housing (1).

9. a kind of automatic locking-type handset bracket according to claim 2 or 3, it is characterised in that:

The left clamping limb (2) includes for clamping the left grip block (22) of mobile phone, being connected to left grip block (22) side Left sliding panel (23), one end of the left rack gear (21) is connected on the left sliding panel (23)；The left sliding panel (23) On offer left sliding groove (24), the compatible left slide post with the left sliding groove (24) is provided on the outer housing (1) (25)；

The right clamping limb (3) includes for clamping the right grip block (32) of mobile phone, being connected to right grip block (32) side Right sliding panel (33), one end of the right rack gear (31) is connected on the right sliding panel (33)；The right sliding panel (33) On offer right sliding groove (34), the compatible right slide post with the right sliding groove (34) is provided on the outer housing (1) (35)。

10. a kind of automatic locking-type handset bracket according to claim 2 or 3, it is characterised in that:

The other end of the support rod (43) runs through the outer housing (1) and extends to the outside of the outer housing (1)；

One end of the support rod (43) external positioned at the outer housing (1) is connected with universal ball seat (8).