CN206626339U

CN206626339U - Electric bracket

Info

Publication number: CN206626339U
Application number: CN201720281670.4U
Authority: CN
Inventors: 张帅
Original assignee: Shenzhen Sunvalley Technology Development Co Ltd
Current assignee: Shenzhen Sunvalley Technology Development Co Ltd
Priority date: 2017-03-22
Filing date: 2017-03-22
Publication date: 2017-11-10
Anticipated expiration: 2027-03-22

Abstract

The utility model discloses a kind of electric bracket, including housing and a pair of jig arm, electric bracket also to include：Link gear, link gear are connected with least one jig arm in a pair of jig arm；Electric driver, electric driver are connected with link gear；Control unit, control unit are coupled to electric driver；And at least one trigger element, trigger element are coupled to control unit.Electric bracket of the present utility model, lightly touch trigger unit is only needed, the jig arm of electric bracket automatically can open or clamp, easy to operate and be easy to one-handed performance, intelligent, automaticity is high.

Description

Electric bracket

Technical field

Fixed support technical field is the utility model is related to, more particularly to a kind of electric bracket.

Background technology

With the popularization of individual mobile terminal equipment, and the work(such as the communication of individual mobile terminal equipment, navigation, multimedia Can it is increasingly perfect so that individual mobile terminal equipment be increasingly becoming people life in indispensable articles for use, especially hand Machine, for security consideration, when user is needing to use mobile phone on the run, mobile phone how is fixed, just becomes and has to Solve the problems, such as.

Existing fixed support, in fixation object to be fixed, generally require one and hold the object, strut branch on the other hand Frame, and when removing fixed object, need firmly to extract the object again.Such action, on the run neither Safety, cause user again while mobile phone and automobile belt is enjoyed to facilitate, the experience for add some troubles on the contrary, falling behind.

The content of the invention

In view of in place of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of electric bracket, its nothing User's both hands are needed manually to move jig arm can be achieved in jig arm clamping or opening, to improve user on the run using electricity The security and convenience of dynamic support.

In order to achieve the above object, the utility model takes following technical scheme：

A kind of electric bracket, including housing and a pair of jig arm, electric bracket also include：Link gear, link gear and one At least one jig arm in jig arm is connected；Electric driver, electric driver are connected with link gear；Control is single Member, control unit are coupled to electric driver；At least one trigger element, trigger element are coupled to control unit, trigger element When being triggered, control unit control electric driver driving link gear so that at least one jig arm movement in a pair of jig arm.

Preferably, electric bracket includes a trigger element, when trigger element is triggered secondary by even odd for several times, control unit Control electric driver forward drive link gear so that at least one jig arm in a pair of jig arm moves inward；Triggering is single When member is triggered by idol/odd-times, control unit control electric driver reverse drive link gear so that in a pair of jig arm extremely A few jig arm moves laterally.

Preferably, electric bracket includes two trigger elements, when one of trigger element is triggered, control unit control Electric driver forward drive link gear so that at least one jig arm in a pair of jig arm moves inward；Other in which When trigger element is triggered, control unit control electric driver reverse drive link gear so that in a pair of jig arm at least One jig arm moves laterally.

Preferably, a trigger element is located at the supporting surface of housing, another trigger element be located at the supporting surface of housing with Outer surface.

Preferably, electric bracket includes three trigger elements, when one of trigger element is triggered, control unit control Electric driver forward drive link gear so that at least one jig arm in a pair of jig arm moves inward；Wherein other two Individual trigger element is triggered simultaneously when, control unit control electric driver reverse drive link gear so that in a pair of jig arm At least one jig arm move laterally.

Preferably, a trigger element is located at the supporting surface of housing, and two other trigger element is respectively between housing Away from less two sides.

Preferably, control unit is by judging whether trigger element breaks down to control electric bracket to enter different works Operation mode.

Preferably, electric bracket also includes the base being connected with housing, and control unit and/or trigger element are arranged at bottom Seat.

Preferably, link gear includes gear, and a jig arm in a pair of jig arm includes clamping part and is connected with clamping part Connecting portion, the one end of connecting portion away from clamping part is provided with accepting groove, and accepting groove has first side, and first side is dentation, And first side engages with gear.

Preferably, another jig arm in a pair of jig arm includes clamping part and the connecting portion being connected with clamping part, connecting portion One end away from clamping part is provided with accepting groove, and accepting groove has the second side opposite with first side, and second side is dentation, And second side engages with gear.

Preferably, connecting portion is provided with limiting section.

Preferably, a pair of jig arm laterally or move inward when reaching the limitation or having clamped part to be fixed, and control is single Member control electric driver stops driving.

Preferably, control unit includes current sample subelement and drive control subelement, and current sample subelement is to electricity The operating current of drive device is sampled, when operating current is more than predetermined threshold value, drive control subelement control electric drive Device stops driving.

Preferably, electric bracket is additionally provided with input block and output unit, output unit be USB interface or magnetic joint or Wireless charging coil.

Preferably, electric bracket also includes the solid support portion for being arranged at housing bottom, and support portion is flexibly connected with housing admittedly, defeated It is the out splice going splice for being arranged at solid support portion to go out unit.

Preferably, electric bracket also includes power supply unit, and power supply unit independently is control unit, electric driver, touched Control unit and electric energy is provided.

Electric bracket of the present utility model utilizes trigger element, the purpose for judging user be fixed cellular terminal equipment or Mobile terminal device is removed, so that electric driver carries out forward drive or reverse drive, drives jig arm to shrink or open, from And clamp or discharge mobile terminal device, realize the intelligent driving of jig arm.Electric bracket of the present utility model it is simple to operate and It is easy to one-handed performance, either during clamping mobile terminal device and still discharging mobile terminal device, without user's hand Dynamic mobile jig arm, it is intelligent, automaticity is high, improve user and use the security of electric bracket and just on the run Profit.

Brief description of the drawings

, will be by reference to being shown in accompanying drawing in order to describe to obtain the above and other advantages of this theme and the mode of feature This theme specific embodiment, being discussed in greater detail for this theme described briefly above is presented.It should be understood that these accompanying drawings Each exemplary embodiments of present subject matter are depict only, therefore it is not considered as the limitation to scope, each embodiment will pass through Describe and explain using accompanying drawing with supplementary features and details, in the accompanying drawings:

Fig. 1 is the three-dimensional combination figure of the electric bracket in the utility model one embodiment；

Fig. 2 is the three-dimensional exploded view of the supporting surface of the electric bracket removal housing shown in Fig. 1；

Fig. 3 is the three-dimensional exploded view for the supporting surface that electric bracket in the utility model another embodiment removes housing；

Fig. 4 is the three-dimensional combination figure of the electric bracket in the utility model another embodiment；

Fig. 5 is the three-dimensional exploded view of the electric bracket shown in Fig. 4；

Fig. 6 is the three-dimensional exploded view of the electric bracket in the utility model another embodiment；

Fig. 7 is the three-dimensional combination figure of the electric bracket in the utility model another embodiment；

Fig. 8 is the three-dimensional combination figure of the electric bracket in the utility model another embodiment；

Fig. 9 is the operation principle schematic diagram of the electric bracket in the utility model another embodiment.

Embodiment

To make the purpose of this utility model, technical scheme and effect clearer, clear and definite, develop simultaneously implementation referring to the drawings The utility model is further described example.It should be appreciated that specific embodiment described herein is only explaining this practicality It is new, it is not used to limit the utility model.

It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ", " right side " " forward direction " " reverse " " first or the second " and similar statement for illustrative purposes only.

Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein "and/or" includes The arbitrary and all combination of one or more related Listed Items.

Electric bracket provided by the utility model can be applied to different scenes, for example, vehicle-mounted bracket, desk dock or other The occasion of any required gripping objects, the object that can be clamped include but is not limited to mobile phone, flat board electric energy, electronic reader and navigation Instrument.Following examples illustrate so that vehicle-mounted bracket clamps mobile terminal device as an example.

Referring to Fig. 1, the electric bracket three-dimensional combination figure for one preferred embodiment of the utility model.As shown in figure 1, this The electric bracket that embodiment provides includes housing 11, a pair of jig arm 12 and base 13.Wherein, housing 11, which has, is used for support movement The supporting surface 110 of terminal device, it is front with supporting surface 110, a pair of jig arm 12 are extended from the both sides of housing 11 respectively, bottom Seat 13 is pivotably coupled to the back side of housing 11.When mobile terminal device is fixed on electric bracket, mobile terminal device The back side contacts with the supporting surface 110 of housing 11, and its both sides is clamped by jig arm 12.Base 13 is used to make electric bracket be fixed on car Interior, in the present embodiment, base 13 is securable to the air-conditioner air outlet in automobile.

Further, electric bracket also includes being arranged at the solid support portion 14 of the bottom of housing 11, and support portion 14 presss from both sides with a pair admittedly for this The common fixed cellular terminal equipment of arm 12.Opened in jig arm 12 and user does not hold steadily in the case of mobile terminal device, Gu Tuobu 14 effectively can prevent mobile terminal device from falling from electric bracket.

In other embodiments, the base of electric bracket can also be sucked type base or the firm banking of other forms, For electric bracket to be fixed on into the positions such as automobile instrument panel, console, windshield.In addition, the shape in support portion can also admittedly For tabular or other shapes, and support portion and housing connected mode admittedly, both can be to be fixedly connected, namely support portion can not be with respect to shell admittedly Body horizontally or vertically in face it is movable, can also be flexibly connected, namely admittedly support portion can be slided in the horizontal plane with respect to housing or Vertical rotation in surface, the utility model are not restricted to the number in solid support portion, shape and with the connected mode of housing.

Referring to Fig. 2, Fig. 2 removes the three-dimensional exploded view after supporting surface 10 for the housing 1 in embodiment illustrated in fig. 1.Such as Fig. 2 Shown, the electric bracket of the present embodiment also includes link gear 15, electric driver 16, control unit 17 and trigger element 18. Wherein, link gear 15 is connected with least one jig arm in a pair of jig arm 12, electric driver 16 and link gear 15 It is connected, control unit 17 is coupled to electric driver 16, and trigger element 18 is coupled to control unit 17.When trigger element 18 When being triggered, control unit 17 controls electric driver 16 to drive link gear 15 so that a pair to be linked with link gear 15 At least one jig arm movement in jig arm 12, so as to realize the action of the clamping of a pair of jig arm 12 or opening.

Specifically, when trigger element 18 is triggered, trigger element 18 sends trigger signal to control unit 17, and control is single Member 17 receives the trigger signal, and sends control signal to electric driver 16, so as to control electric driver 16 to work, and then Drive link gear 15, and at least one jig arm 12 for be connected with link gear 15 with the motion of link gear 15 and It is mobile.

In the present embodiment, control unit 17 is arranged on printed circuit board (PCB) 100, and respectively with electric driver 16 and touch Bill member 18 electrically connects.Electric driver 16 can be step-servo motor or micro motor or other have identical function Motor, only need to produce driving torque and realize to rotate and reverse, the electric driver 16 has worm screw 161.Gear Structure 15 is gear train, and the gear train includes first gear 151, the gear 153 of second gear 152 and the 3rd, and three gears are double Layer gear, i.e. a gear are made up of coaxially connected gear wheel and little gear.Wherein, the gear wheel of first gear 151 and electricity The worm screw 161 of drive device 16 engages, and the gear wheel of second gear 152 engages with the little gear on first gear road 151, the 3rd tooth The gear wheel of wheel 153 engages with the little gear of second gear 152.

Two jig arm of electric bracket are respectively the first jig arm 12a and the second jig arm 12b.Wherein, the first jig arm 12a includes The first clamping part 121a and first connecting portion 122a being connected with the first clamping part 121a, first connecting portion 122a away from the One clamping part 121a one end offers the first accepting groove 123a；Second jig arm 12b includes the second clamping part 121b and with second The second connecting portion 122b of clamping part 121b connections, the second connecting portion 122b one end away from the second clamping part 121b open up There is the second accepting groove 123b.It is dentation to have first side 124a, first side 124a in first accepting groove 123a；Second receives The side opposite with first side 124a is second side 124b in tank 123b, and second side 124b is also dentation.

First jig arm 12a first side 124a and the second jig arm 12b second side 124b with the 3rd gear 153 Little gear engagement.When worm screw 161 rotates, first gear 151 is driven and rotated by worm screw 161, then drives second gear 152 rotate, and second gear 152 drives the 3rd gear 153 to rotate again, and final 3rd gear 153 drives the first jig arm 12a and second Jig arm 12b is moved round about simultaneously, such as the first jig arm 12a and the second jig arm 12b is moved towards or backwards simultaneously simultaneously It is mobile.In this way, being connected between electric driver 16, link gear 15 and jig arm 12 is realized.

First connecting portion 122a remote first clamping part 121a one end and remote the second of second connecting portion 122a Clamping part 121b one end is respectively equipped with limiting section 126, for limiting the first jig arm 12a and the second jig arm 12b backwards to movement Distance.In the present embodiment, limiting section 126 is barb, and the inside sidewalls of housing 11 are provided with fastener 111, as the first jig arm 12a and When second jig arm 12b is backwards to movement, limiting section 126 eventually engages with fastener 111, makes the first jig arm 12a and the second jig arm 12b can not continue to move in the direction, i.e., jig arm 12, which has been opened, reaches to greatest extent.

Preferably, self-locking structure is formed between worm screw 161 and first gear 151, according to self-lock mechanism, when the helical pitch of worm screw When angle is less than the equivalent friction angle of engagement wheel between cog, worm screw has self-locking performance, and reverse self-locking can be achieved.That is, can only be by worm screw 161 drive first gear 151, and worm screw 161 can not be driven by first gear 151, ensure that jig arm 12 can only be electrically driven dress 16 are put to drive by link gear 15, and electric driver 16 will not be driven by jig arm 12, link gear 15.Therefore, in nothing In the case that electric driver drives, even if electric bracket acutely rocks or user inwardly pushes jig arm 12 with hand or outwards broken Draw jig arm 12, all can not move jig arm 12, when so ensuring that jig arm 12 clamps mobile terminal device, will not because rocking or Jig arm is touched and becomes loose by mistake, avoids mobile terminal device from dropping.

In the present embodiment, the number of trigger element 18 is one, when the trigger element 18 is by strange (idol) triggering time for several times, control Unit 17 processed controls the forward drive link gear 15 of electric driver 16 so that a pair of jig arm 12 are shunk；Trigger element 18 is by idol When (strange) triggers for several times, control unit 17 controls the reverse drive link gear 15 of electric driver 16 so that a pair of jig arm 12 are opened Open.

Specifically, when trigger element 18 is triggered for several times by even odd, i.e., trigger signal is sent to control unit 17, control is single Member 17 sends different control signals when even odd receives trigger signal for several times.For example, when trigger element 18 is by odd number During secondary triggering, trigger signal is sent to control unit 17, then the odd-times of control unit 17 receives trigger signal, to electric drive Device 16 sends positive rotaring signal.When trigger element 18 is triggered by even-times, trigger signal is sent to control unit 17, then is controlled The even-times of unit 17 receives trigger signal, and reverse signal is sent to electric driver 16.Electric driver 16, which receives, to be rotated forward Signal starts to rotate forward, and drives link gear 15 to rotate forward, promotes the first jig arm 12a and the inside sidesways of the second jig arm 12b It is dynamic, i.e. the first jig arm 12a and the second jig arm 12b move toward one anothers, so as to realize a pair of actions that jig arm 12 is shunk.Electric driver 16 reception reverse signals start to invert, and drive link gear 15 to rotate backward, promote the first jig arm 12a and the second jig arm 12b Move laterally, i.e. the first jig arm 12a and the second jig arm 12b are backwards to moving, so as to realize a pair of actions that jig arm 12 is opened.

In other embodiments or trigger element by odd-times when being triggered, and contraction is sent to control unit Trigger signal, control unit receive the contraction trigger signal and send positive rotaring signal to electric driver, make electric driver just Turn；Trigger element sends opening trigger signal when being triggered by even-times, to control unit, and control unit receives opening triggering Signal sends reverse signal to electric driver, inverts electric driver.

Preferably, trigger element 18 is arranged at the side of housing 11, when fetching mobile terminal device due to user, it will usually use The thumb of one hand goes to hold by mobile terminal device with remaining finger, therefore, trigger element 18 is arranged to the side of housing 11, Can be that trigger element 18 is triggered while user is held by mobile terminal device by the finger of user, it is easy to operate and meet use The use habit at family.Further, trigger element 18 is arranged at the position between jig arm 12 and the bottom of housing 11, more conforms to The use habit of user, and when user fetches mobile terminal device, can taking mobile terminal device lower portion, and then effectively Ground prevents mobile terminal device from being slid from hand.

In other embodiments, as long as the coupling of trigger element and control unit can be realized, the trigger element can be set Position be not limited to the side of housing, the other surfaces of housing can also be arranged at, jig arm or admittedly support portion can also be arranged at. It is noted that because the number of trigger element is one, consider that the trigger element is preferably set up from the use habit of user Surface beyond the supporting surface of electric bracket.

In other embodiments, base be sucked type base or other when there is the firm banking of internal cavities, as long as energy Control unit and the coupling of electric driver and trigger element are enough realized, such as is realized and electrically connected by wire, trigger element can Individually or with control unit to be set along in base, so, reservation electric driver and gear are only needed in housing Structure, thus the volume of housing can be designed to smaller, external form exquisiteness is not heavy.

In other embodiments, link gear can be single gear, for example only one presss from both sides with worm screw and first simultaneously The gear train that arm meshed gears or the gear more than two or three are formed, the type of gear can also be individual layer Gear, as long as the layout of adjustment jig arm, link gear and electric driver, it can equally realize that jig arm links with electric driver Effect.

In other embodiments, limiting section can also be respectively arranged at the opening of the first accepting groove and the second accepting groove, The through hole of closing is formed with accepting groove, first gear is moved in the through hole, and when first gear supports the limiting section, jig arm is Stop movement, without setting fastener corresponding with limiting section in addition in the housing.

Electric bracket of the present utility model, lightly touch trigger unit is only needed, the jig arm of electric bracket i.e. can be automatically Open or clamp, it is easy to operate and be easy to one-handed performance, it is intelligent, automaticity is high.In addition, electronic branch of the present utility model Frame utilizes motor driven jig arm, evenly shrinks, and clamped mobile terminal device will not be caused to damage, and common vehicle-mounted Support typically uses spring jig arm, and the moment for clamping mobile terminal device, often momentum was larger, easily to the two of terminal device Side produces damage.

Referring to Fig. 3, Fig. 3 is the three-dimensional exploded view of the electric bracket removal housing supporting surface in another embodiment.Such as Shown in Fig. 3, the present embodiment provide electric bracket include housing 21, the first jig arm 22a, the second jig arm 22b, link gear 25, Electric driver 26, control unit 27 and trigger element 28.Wherein, the first jig arm 22a is connected with link gear 25, the Two jig arm 22b are not connected with link gear 25.When trigger element 28 is triggered, control unit 27 controls electric driver 26 driving link gears 25 so that moved with the first jig arm 22a that link gear 25 links, so as to realize the clamping of a pair of jig arm Or the action opened.

Specifically, electric driver 26 includes worm screw 261, and link gear 25 is gear train, and the gear train includes the first tooth Wheel 251, the gear 253 of second gear 252 and the 3rd, three gears are double-layer gear, i.e. a gear is by coaxially connected big Gear and little gear are formed.Wherein, the gear wheel of first gear 251 engages with the worm screw 261 of electric driver 26, second gear 252 gear wheel engages with the little gear on first gear road 251, the gear wheel of the 3rd gear 253 and the small tooth of second gear 252 Wheel engagement.

First jig arm 22a includes the first clamping part 221a and the first connecting portion 222a being connected with the first clamping part 221a, First connecting portion 222a one end away from the first clamping part 221a offers the first accepting groove 223a.First accepting groove 223a Interior to have first side 224a, first side 224a be dentation, is engaged with the 3rd gear 253.

When worm screw 261 rotates, first gear 251 is driven and rotated by worm screw 261, then drives 252 turns of second gear Dynamic, second gear 252 drives the 3rd gear 253 to rotate again, and final 3rd gear 253 drives the first jig arm 22a movements.Pass through this Kind mode, realizes being connected between electric driver 16, link gear 15 and jig arm 12.

First connecting portion 222a one end away from the first clamping part 221a is provided with limiting section 226, for limiting the first folder The distance of arm 22a movements.In the present embodiment, limiting section 226 is barb, and the inside sidewalls of housing 21 are provided with fastener 211, when When one jig arm 22a is moved, limiting section 226 eventually engages with fastener 211, the first jig arm 22a can not be continued in the direction It is mobile.

Second jig arm 22b fixes relative to housing 21, and it includes the second clamping part 221b and connected with the second clamping part 221b The second connecting portion 222b connect, the second connecting portion 222b one end away from the second clamping part 221b offer the second accepting groove 223b.Do not have the side of dentation in second accepting groove 223b, thus will not be engaged with the 3rd gear 253, the 3rd gear 253 is most Pipe drives the second jig arm 22b movements in the second accepting groove 223b.

In the present embodiment, the number of trigger element 28 is also one, when trigger element 28 is triggered for several times by even odd, i.e., to Control unit 27 sends trigger signal, and control unit 27 sends different control when even odd receives trigger signal for several times Signal.For example, when trigger element 28 is triggered by odd-times, trigger signal is sent to control unit 27, then control unit 27 Odd-times receives trigger signal, and positive rotaring signal is sent to electric driver 26.When trigger element 28 is triggered by even-times, to Control unit 27 sends trigger signal, then the even-times of control unit 27 receives trigger signal, is sent to electric driver 26 Reverse signal.Electric driver 26 receives positive rotaring signal and starts to rotate forward, and drives link gear 25 to rotate forward, promotes the first folder Arm 22a moves inward, i.e. the first jig arm 22a moves to the direction close to the second jig arm 22b, so as to realize that a pair of jig arm are shunk Action.Electric driver 26 receives reverse signal and starts to invert, and drives link gear 25 to rotate backward, promotes the first jig arm 22a is moved laterally, i.e. the first jig arm 22a move to away from the second jig arm 22b direction, so as to realize a pair of jig arm openings Action.

Preferably, trigger element 28 is arranged at the side of housing 21, when fetching mobile terminal device due to user, it will usually use The thumb of one hand goes to hold by mobile terminal device with remaining finger, therefore, trigger element 28 is arranged to the side of housing 21, Can be that trigger element 28 is triggered while user is held by mobile terminal device by the finger of user, it is easy to operate and meet use The use habit at family.Further, trigger element 28 is arranged at the position between jig arm 22 and the bottom of housing 21, more conforms to The use habit of user, and when user fetches mobile terminal device, can taking mobile terminal device lower portion, and then effectively Ground prevents mobile terminal device from being slid from hand.

In other embodiments, because the second jig arm is fixed, second jig arm actually need not be with the first jig arm Moulding it is consistent, but with the integrally formed fixed arm of housing, thus connecting portion need not be set, only retain the folder for being fixed on housing Hold portion.

Referring to Fig. 4, Fig. 4 is the three-dimensional combination figure of the electric bracket in the utility model another embodiment.Such as Fig. 4 institutes Show, the electric bracket that the present embodiment provides includes housing 31, a pair of jig arm 32, base 33 and support portion 34 admittedly.Wherein, housing 31 has There is the supporting surface 310 for support mobile terminal device, be provided with the activity of projection among supporting surface 310 close to the region of top Block 312, the movable block 312 can be along the direction back and forth movements perpendicular to supporting surface 310.

Referring to Fig. 5, Fig. 5 is the three-dimensional exploded view of the electric bracket in embodiment illustrated in fig. 4.As shown in figure 5, this implementation The electric bracket of example also includes link gear 35, electric driver 36, control unit 37 and trigger element 38, electric driver 36 It is connected with link gear 35, control unit 37 is coupled to electric driver 36, and trigger element 38 is coupled to control unit 37. The number of trigger element 38 is two, respectively the first trigger element 38a and the second trigger element 38b.Two of electric bracket Jig arm is respectively that the first jig arm 32a and the second jig arm 32b, the first jig arm 32a and the second jig arm 32b link with link gear 35 Connection.

It is appreciated that if being connected for electric driver and link gear can be realized, and link gear and folder Arm is connected, and link gear can be the gear train that single gear or two or more gears are formed, The type of gear can also be individual layer gear or double-layer gear.As long as the effect of clamping mobile terminal device can be reached Fruit, in the first jig arm and the second jig arm, can there was only a jig arm, such as the first jig arm, be connected with link gear, and Two jig arm are fixed on housing, will not be described here.

When the first trigger element 38a is triggered, control unit 37 controls the forward drive link gear of electric driver 36 35 so that the first jig arm 32a and the second jig arm 32b move inward, and show as a pair of jig arm 32 and shrink；When the second triggering is single When first 38b is triggered, control unit 37 control the reverse drive link gear 35 of electric driver 36 so that the first jig arm 32a and Second jig arm 32b is moved laterally, is shown as a pair of jig arm 32 and is opened.

Specifically, when the first trigger element 38a is triggered, the first trigger element 38a sends triggering to control unit 37 Signal, control unit 37 receives the trigger signal, and sends positive rotaring signal to electric driver 36, and electric driver 36 receives should Positive rotaring signal simultaneously starts to rotate forward, and drives link gear 35 to rotate forward, so as to drive the first jig arm to be linked with link gear 35 32a and the second jig arm 32b move inward, i.e. the first jig arm 32a and the second jig arm 32b move toward one anothers.When the second triggering is single When first 38b is triggered, the second trigger element 38b sends trigger signal to control unit 37, and control unit 37 receives triggering letter Number, and reverse signal is sent to electric driver 36, electric driver 36 receives the reverse signal and starts to invert, and drives linkage Mechanism 35 rotates backward, so as to drive the first jig arm 32a and the outside sidesways of the second jig arm 32b that are linked with link gear 35 Dynamic, i.e. the first jig arm 32a and the second jig arm 32b are backwards to motion.

In the present embodiment, the first trigger element 38a is touch-switch (a kind of touch-pressure switch) and corresponding with movable block 312 set Put, when movable block 312 is by power to the back side of housing 31, the back side of movable block 312 to housing 31 is mobile and compresses first and touches Bill member 38a, so as to trigger first trigger element 38a.When user needs fixed cellular terminal equipment, will directly can move Dynamic terminal device is positioned over supporting surface 310, is exerted a force with hand or presses movable block using the gravity of mobile terminal device in itself 312, so as to trigger the first trigger element 38a, promote jig arm 32 to shrink automatically, clamp mobile terminal device.

When being fixed on electric bracket due to mobile terminal device, the support in the inevitable face 310 supported of mobile terminal device, i.e., Mobile terminal device is necessarily in contact with supporting surface 310, the effect of power between supporting surface 310 be present, therefore, will be with jig arm 32 The first trigger element 38a is arranged at supporting surface 310 corresponding to the action of contraction, it is possible to only by the way that mobile terminal device is placed In this action of supporting surface 310, make the Automatic-clamping mobile terminal device of jig arm 32, it is easy to operate.Again because mobile terminal is set It is standby that necessarily movable block 312 is exerted a force when being positioned on supporting surface 310, the first trigger element being correspondingly arranged with movable block 312 38a only need to be touch-switch, be easy to be triggered, and cost is low and positive effect.

In other embodiments, the first trigger element can also be pressure sensor, its trigger process and touch-pressure switch class Seemingly.Movable block is such as not provided with, the first trigger element can also be disposed on the infrared sensor on supporting surface surface, work as mobile terminal During close to supporting surface, infrared sensor can be triggered by detecting its distance with mobile terminal.

In other embodiments, as long as the coupling of the first trigger element and control unit can be realized, first triggering is single The settable position of member is not limited to the supporting surface of housing, can also be arranged at the other surfaces of housing.

Second trigger element 38b is located at the side of housing 31.When fetching mobile terminal device due to user, it will usually with one The thumb of hand goes to hold by mobile terminal device with remaining finger, therefore, the second trigger element 38b is arranged to the side of housing 31 Face, it can respectively be triggered by the thumb of user and remaining finger and be easy to be concurrently triggered, it is easy to operate and meet user's Use habit.

Further, the second trigger element 38b is arranged at the position between jig arm 32 and the bottom of housing 31, more conforms to The use habit of user, and when user fetches mobile terminal device, can taking mobile terminal device lower portion, and then effectively Ground prevents mobile terminal device from being slid from hand.

In other embodiments, as long as the coupling of the second trigger element and control unit can be realized, second triggering is single The settable position of member is not limited to the side of housing, can also be arranged at the other surfaces of housing, can also be arranged at jig arm or Person support portion admittedly.It is noted that because the second trigger element is used in the case where mobile terminal device has been located on supporting surface Jig arm is opened, considers that the trigger element is preferably provided at beyond the supporting surface of electric bracket from the use habit of user Surface.

In other embodiments, control unit can prejudge the first trigger element and whether the second trigger element occurs Failure and control electric bracket to enter different mode of operations.Specifically, work as the first trigger element and the second trigger element all just Chang Shi, control unit control electric bracket enter the first mode of operation, that is, when the first trigger element is triggered, control is single Member sends positive rotaring signal to electric driver so that jig arm is shunk；When the second trigger element is triggered, control unit is driven to electricity Dynamic device sends reverse signal so that jig arm is opened.As one in the first trigger element and the second trigger element, such as first During trigger element failure, control unit control electric bracket enters the second mode of operation, that is, the second trigger element is by even odd When triggering for several times, trigger signal is sent to control unit, control unit is sent when even odd receives trigger signal for several times Different control signals (positive rotaring signal or reverse signal), makes motor forward or reverse, so that jig arm is shunk or opened.Also Or, second trigger element when being triggered by odd-times, send contraction trigger signal to control unit, control unit receives the receipts Contracting trigger signal sends positive rotaring signal to electric driver, rotates forward electric driver, so that jig arm is shunk；Trigger element When being triggered by even-times, opening trigger signal is sent to control unit, control unit receives the opening trigger signal i.e. to electricity Drive device sends reverse signal, inverts electric driver, so that jig arm is opened.Various mode of operations specifically work original Reason and process, it has been described in detail in previous embodiment, has will not be repeated here.

In this way, when electric bracket includes two trigger elements, even if electric bracket has a trigger element to break down, Electric bracket remains to work on by a remaining trigger element, improves the practicality of electric bracket.

Referring to Fig. 6, Fig. 6 is the three-dimensional exploded view of the electric bracket in the utility model another embodiment.Such as Fig. 6 institutes Show, the electric bracket that the present embodiment provides includes housing 41, the first jig arm 42a, the second jig arm 42b, link gear 45, electric drive Device 46, control unit 47, the first trigger element 48a, the second trigger element 48b and trigger element 48c.Electric driver 46 with Link gear 45 is connected, and control unit 47 is coupled to electric driver 46, the first trigger element 48a, the second trigger element 48b and trigger element 48c are coupled to control unit 47.Housing 41 has the supporting surface 410 for support mobile terminal device, Region among supporting surface 410 close to top is provided with movable block 412, and the movable block 412 can be along perpendicular to supporting surface 410 Direction back and forth movement.Two jig arm of electric bracket are respectively the first jig arm 42a and the second jig arm 42b, the first jig arm 42a and Two jig arm 42b are connected with link gear 45.

, can be with the first jig arm and the second jig arm it is appreciated that as long as the effect of clamping mobile terminal device can be reached An only jig arm, such as the first jig arm, are connected with link gear, and the second jig arm is fixed on housing.As long as can be real Existing electric driver and link gear are connected, and the linkage of link gear and the first jig arm and/or the second jig arm connects Connect, the gear train that link gear can be formed for single gear or two or more gears, the type of gear It can also be individual layer gear or double-layer gear, will not be described here.

When the first trigger element 48a is triggered, control unit 47 controls the forward drive link gear of electric driver 46 45 so that the first jig arm 42a and the second jig arm 42b move inward, and show as a pair of jig arm and shrink.When the second trigger element When 48b and the 3rd trigger element 48c are concurrently triggered, control unit 47 controls the reverse drive link gear of electric driver 46 45 so that the first jig arm 42a and the second jig arm 42b are moved laterally, are shown as a pair of jig arm and are opened.

Specifically, when the first trigger element 48a is triggered, the first trigger element 48a sends triggering to control unit 47 Signal, control unit 47 receives the trigger signal, and sends positive rotaring signal to electric driver 46, and electric driver 46 receives should Positive rotaring signal simultaneously starts to rotate forward, and drives link gear 45 to rotate forward, so as to drive the first jig arm to be linked with link gear 45 42a and the second jig arm 42b move inward, i.e. the first jig arm 42a and the second jig arm 42b move toward one anothers.When the second triggering is single When first 48b and the 3rd trigger element 48c are concurrently triggered, the second trigger element 48b and the 3rd trigger element 48c are respectively to control Unit 47 sends trigger signal, when simultaneously control unit 47 is received from the second trigger element 48b and the 3rd trigger element 48c Two trigger signals when, and send reverse signal to electric driver 46, electric driver 46 receives the reverse signal and simultaneously opened Begin to invert, drive link gear 45 to rotate backward, so as to drive the first jig arm 42a to be linked with link gear 45 and the second jig arm 42b is moved laterally, i.e. the first jig arm 42a and the second jig arm 42b are backwards to motion.

First trigger element 48a is touch-pressure switch, and the movable block 412 of its supporting surface 410 with being arranged at housing 41 is corresponding, When movable block 412 is by power to the back side of housing 41, the back side of movable block 412 to housing 41 is mobile and compresses the first triggering list First 48a, so as to trigger first trigger element 48a.When user needs fixed cellular terminal equipment, will directly can move eventually End equipment is positioned over supporting surface 410, is exerted a force with hand or presses movable block 412 using the gravity of mobile terminal device in itself, from And the first trigger element 48a is triggered, promote jig arm 42 to shrink automatically, clamp mobile terminal device.

When being fixed on electric bracket due to mobile terminal device, the support in the inevitable face 410 supported of mobile terminal device, i.e., Mobile terminal device is necessarily in contact with supporting surface 410, the effect of power between supporting surface 410 be present, therefore, will be with jig arm 42 The first trigger element 48a is arranged at supporting surface 410 corresponding to the action of contraction, it is possible to only by the way that mobile terminal device is placed In this action of supporting surface 410, make the Automatic-clamping mobile terminal device of jig arm 42, it is easy to operate.Again because mobile terminal is set It is standby that necessarily movable block 412 is exerted a force when being positioned on supporting surface 410, the first trigger element being correspondingly arranged with movable block 412 48a only need to be touch-pressure switch, be easy to be triggered, and cost is low and positive effect.

It is appreciated that the first trigger element can also be arranged at the surface beyond the supporting surface of housing, pressure also can be selected Sensor or other sensors, will not be described here.

Second trigger element 48b and the 3rd trigger element 48c is respectively arranged at the both sides of housing 41, it is preferable that second touches Bill member 48b and the 3rd trigger element 48c is respectively arranged at two sides of housing 41, and is respectively positioned on the bottom of jig arm and housing 41 Between end.When user is wanted being removed by the mobile terminal device that jig arm clamps, only mobile terminal device need to be held, two Finger (such as thumb and middle finger) the second trigger element 48b and the 3rd that nature is touched or pressed positioned at the both sides of housing 41 respectively is touched Bill member 48c, you can while the second trigger element 48b and the 3rd trigger element 48c is triggered, open jig arm 42, so as to easily Remove mobile terminal device.

Electric bracket be designed as into the second trigger element 48b and the 3rd trigger element 48c set out simultaneously just make jig arm Open, it is ensured that electric bracket will not mistakenly open jig arm because of the false touch of one side, so as to be effectively prevented from because support is missed The situation touched and cause jig arm mistakenly to be opened, improve the reliability and practicality of electric bracket.Simultaneously as user fetches During mobile terminal device, it will usually go to hold by mobile terminal device with the thumb and remaining finger of a hand, therefore, second is touched Bill member 48b and the 3rd trigger element 48c is respectively arranged at the arranged on left and right sides of housing 41, can by the thumb of user and its Remaining finger triggers and is easy to be concurrently triggered respectively, use habit that is easy to operate and meeting user.Further, by second Trigger element 48b and the 3rd trigger element 48c be respectively arranged at housing 41 arranged on left and right sides be located at jig arm and the bottom of housing 41 it Between position, more conform to the use habit of user, and when user fetches mobile terminal device, can taking mobile terminal device Lower portion, and then effectively prevent mobile terminal device from being slid from hand.

It is noted that using two larger sides of air line distance as upper and lower both sides, less two sides of air line distance For upper and lower both sides, then in other embodiment, the both sides for being provided with the second trigger element and the 3rd trigger element of housing can be with setting There is the first jig arm different with the both sides of the second jig arm.For example, electric bracket can be designed as above and below mobile terminal device Sandwich mobile terminal device, i.e. the first jig arm and the second jig arm are respectively arranged at the both sides up and down of housing.According to user's Use habit, when mobile terminal device is removed, user is uncomfortable to grip the both sides up and down of mobile terminal device, and is accustomed to Mobile terminal device is gripped from the left and right sides of mobile terminal device, therefore, although the first jig arm and the second jig arm are set respectively In the both sides up and down of housing, the second trigger element and the 3rd trigger element should be arranged at the left and right sides of housing.

It is appreciated that if the coupling of the second trigger element and the 3rd trigger element and control unit can be realized, second The position that trigger element and the 3rd trigger element can be set is not limited to the side of housing, can also be arranged at other tables of housing Face.It is noted that because the second trigger element and the 3rd trigger element are used to have attached to supporting surface in mobile terminal device Jig arm is opened in the case of upper, considers that the second trigger element and the 3rd trigger element are preferably set from the use habit of user The surface being placed in beyond the supporting surface of electric bracket.

In other embodiments, the second trigger element and the 3rd trigger element can be the touch-pressure switch or biography of same type Sensor, can also one be touch-pressure switch, another is sensor, or respectively different types of sensor.Selected Sensor type can be pressure sensor, touch sensor, infrared ray sensor or voice operated sensor.For example, touched second Bill member can be touch sensor, be exerted oneself without user's finger, it is only necessary to flip, can just trigger.

In other embodiments, control unit can prejudge the first trigger element, the second trigger element and the 3rd touches Whether bill member breaks down and controls electric bracket to enter different mode of operations.When three trigger elements are all normal, control Unit control electric bracket processed enters the first mode of operation, and when the first trigger element is triggered, control unit fills to electric drive Put and send positive rotaring signal, rotate forward electric driver, so that jig arm is shunk；When the second trigger element and the 3rd trigger element quilt When triggering simultaneously, control unit sends reverse signal to electric driver, inverts electric driver, so that jig arm is opened. When there is a trigger element in three trigger elements, such as during the second trigger element failure, control unit control electric bracket enters Enter the second mode of operation, when the first trigger element is triggered, control unit sends positive rotaring signal to electric driver, makes electric drive Dynamic device rotates forward, so that jig arm is shunk；When the 3rd trigger element is triggered, control unit sends reversion to electric driver Signal, invert electric driver, so that jig arm is opened.When two failures in three trigger elements, such as only remain During lower 3rd trigger element normal work, then control unit control electric bracket enters the 3rd mode of operation, that is, the 3rd triggering When unit is triggered for several times by even odd, trigger signal is sent to control unit, control unit receives triggering for several times in even odd During signal, different control signal (positive rotaring signal or reverse signal) is sent, makes motor forward or reverse, so that jig arm is shunk Or open.Also when or, the 3rd trigger element is triggered by odd-times, contraction trigger signal, control unit are sent to control unit Receive the contraction trigger signal and send positive rotaring signal to electric driver, rotate forward electric driver, so that jig arm is shunk； 3rd trigger element sends opening trigger signal when being triggered by even-times, to control unit, and control unit receives the opening and touched Signal and send reverse signal to electric driver, invert electric driver, so that jig arm is opened.Various mode of operations Specific operation principle and process, it has been described in detail in previous embodiment, has will not be repeated here.

In this way, when electric bracket has three or more trigger elements, even if there is several trigger elements to break down, only It is normal to have part trigger element, then electric bracket remains to work on by the part trigger element, improves electricity The practicality of dynamic support.

Such design so that as long as there is a trigger element energy normal work in electric bracket, just do not influence electronic branch The normal use of frame, improve the practicality of electric bracket.

Referring to Fig. 7, Fig. 7 is the three-dimensional combination figure of the electric bracket in the utility model another embodiment.Such as Fig. 7 institutes Show, the electric bracket that the present embodiment provides includes the input list of first interface 591 and second interface 592, respectively electric bracket Member and output unit.Wherein, first interface 591 can be used as power input interface, and external power source is connected by power line, such as logical Automobile adapter is crossed from cigar lighter mouth power taking, or by portable power source power taking, and pass through computer delivery outlet, adapter or vapour Car internal wiring power taking etc., electric energy is provided for the work of electric bracket.Because user would generally connect one end of power line for a long time Power taking mouth in the car, when being charged without using power line to other equipment, the other end of power line is vacant and line in itself without Place is laid, and is easily swung, it appears in-car disorderly and unsystematic.Equivalent to one fixture of electric bracket, the power line other end is connected To the first interface 591 of electric bracket, i.e. fixed power source line, make in-car cleaner and tidier.

Second interface 592 can be used as power output interface, and electric energy is provided to mobile terminal device.In the present embodiment, first Interface 591 and second interface 592 are arranged side by side in the bottom of housing 51, when mobile terminal device is placed on electric bracket by user When upper, mobile terminal device can be connected by an other power line with second interface 592, hence into charged state.

The electric bracket of the present embodiment also includes support portion 54 admittedly, and support portion 54 is slidably secured the bottom of housing 51 admittedly for this Close to the position of supporting surface, when user power utilization source line charges to mobile terminal device, can be made solid by mobile support portion 54 admittedly Support portion 54 avoids the charging inlet of mobile terminal device, improves the practicality of electric bracket.

Referring to Fig. 8, Fig. 8 is the three-dimensional combination figure of the electric bracket in the utility model another embodiment.Such as Fig. 8 institutes Show, the electric bracket that the present embodiment provides includes housing 61, a pair of jig arm 62, base 63 and support portion 64 admittedly.Electric bracket is also set There is power input interface, external power source is connected by power line, such as by automobile adapter from cigar lighter mouth power taking, Huo Zhetong Portable power source power taking is crossed, and by computer delivery outlet, adapter or automotive interior circuit power taking etc., for the work of electric bracket Electric energy is provided.Power line is connected to the power input interface, electric energy can be provided for electric bracket, and can fixed power source line, carried The high practicality of electric bracket.

Admittedly support portion 64 and the bottom of housing 61 are movably connected, i.e., the relative housing 61 of the energy of support portion 64 is slided in the horizontal plane admittedly Move or in vertical rotation in surface.Support portion 64 is provided with out splice going splice 641 admittedly for this.It is mobile whole to intend as user using electric bracket When end equipment charges, solid support portion 64 can be moved or rotated, adjusts the position of out splice going splice 641, it is directed at mobile terminal and sets Standby charging inlet, is then positioned over electric bracket by mobile terminal device, out splice going splice 641 is inserted directly into mobile terminal and sets Standby charging inlet.So, without using an other power line, electric bracket can also be realized to be filled to mobile terminal device Electricity.Simultaneously as support portion 64 is movable admittedly, mobile terminal device is positioned over electric bracket by one hand of user, makes electric bracket After clamping mobile terminal, equally using this hand, out splice going splice 641 can just be inserted to the charging inlet of mobile terminal device, it is complete Full one-handed performance, it is convenient and swift.

It is appreciated that out splice going splice can be Micro-USB joints, Lightning joints or Type-C joints, moving In the case that dynamic terminal device carries magnetic joint, out splice going splice can also be the magnetic output end that can be powered.

In other embodiments, electric bracket can also include Wireless charging coil, possess wirelessly in mobile terminal device In the case of charge function, electric bracket can be entered by Wireless charging coil to the mobile terminal device for being fixed on electric bracket Row charging.

Optionally, electric bracket can also include power supply unit, when electric bracket does not connect external power source, the power supply Unit independently is control unit, electric driver and touch control unit power supply, prevents electric bracket from can not normally make because of out of power With.For example, after switch-off in the case of cigar lighter out of power, ensure the normal work of electric bracket by power supply unit, keep away Exempt from the situation that user after a stoppage can not remove mobile terminal device from electric bracket.Power supply unit can be replaceable Dry cell, lithium battery or rechargeable battery or the rechargeable battery for being built in electric bracket, specifically can be according to the actual requirements Selected.

Referring to Fig. 9, Fig. 9 is the operation principle schematic diagram of the electric bracket in the utility model another embodiment.Such as Shown in Fig. 9, the electric bracket that the present embodiment provides includes control unit 71, trigger element 72 and electric driver 73, and control is single Member 71 electrically connects with trigger element 72 and electric driver 73 respectively.Wherein, control unit 71 includes signal transacting subelement 711 With drive control subelement 712, signal transacting subelement 711 is used to receive the signal sent when trigger element 72 is triggered, And signal transacting is carried out, drive control subelement 712 is used to send control signal, control electric drive dress according to signal processing results Put 73 mode of operation.

Control unit 71 also includes current sample subelement 713, and is preset with electric current threshold.When a pair of jig arm are opened or are received Contracting reaches the limitation, and (such as the limiting section of jig arm engage with the fastener of housing, or when that need not clamp mobile terminal device, presss from both sides Arm is contracted to clamping part and engaged with housing), or when having clamped mobile terminal device, control unit 71 controls electric driver 73 Stop driving.Specifically, current sample subelement 713 samples to the operating current of electric driver 73, when work electricity When stream is more than default current threshold, drive control subelement 712 controls electric driver 73 to stop operating.

In the present embodiment, the number of trigger element is two, respectively shrinks trigger element 721 and opens trigger element 722.According to previous embodiment, it will be understood that electric bracket only can have a trigger element, it is possible to have two or more Trigger element, will not be described here.

When user needs fixed cellular terminal equipment, mobile terminal device is placed on electronic fixed support, is shunk Trigger element 721 is triggered, and sends contraction trigger signal to signal transacting subelement 711, signal transacting subelement 711 receives should After shrinking trigger signal, judgement should control electric driver 73 to rotate forward, then drive control subelement 712 is to electric driver 73 Positive rotaring signal is sent, electric driver 73 receives the positive rotaring signal, that is, starts to rotate forward, so as to drive jig arm to shrink.Work as shifting When dynamic terminal device is clamped, jig arm can not continue to shrink, and now electric driver 73 is still in forward drive but can not be after It is continuous to rotate, therefore the operating current of electric driver 73 can gradually rise.During electric driver 73 rotates, electric current is adopted Sub-unit 713 persistently samples to the operating current of electric driver 73, when the operating current sampled is more than default threshold During value, signal transacting subelement 711 judges electric driver 73 should be allowed to stop driving, then drive control subelement 712 is to electricity Drive device 73 sends stop signal, electric driver 73 is stopped driving.Electric driver 73 has worm screw, possesses self-locking work( Can, when electric driver 73 stops driving, jig arm keeps clamping the state of mobile terminal device.

When user needs to remove mobile terminal device, user, which touches, opens trigger element 722, opens trigger element 722 It is triggered, sends opening trigger signal to signal transacting subelement 711, signal transacting subelement 711 receives opening triggering letter After number, judgement should control electric driver 73 to invert, then drive control subelement 712 sends reversion letter to electric driver 73 Number, electric driver 73 receives the reverse signal, that is, starts to reversely rotate, shoot opening dead so as to drive, user can be by movement Terminal device is removed from electric bracket.After mobile terminal device leaves electric bracket, the jig arm of electric bracket continues to open, When the limiting section of jig arm engages with the fastener of housing, jig arm can not continue to open, i.e., jig arm is opened and reached to greatest extent.This When, electric driver 73 in reverse drive but can not be still rotated further, and the operating current of electric driver 73 can also gradually rise. Current sample subelement 713 samples to the operating current of electric driver 73, is preset when the operating current sampled is more than During threshold value, signal transacting subelement 711 judge should allow electric driver 73 stop driving, then drive control subelement 712 to Electric driver 73 sends stop signal, electric driver 73 is stopped driving.

By current sample subelement 713, control unit 71 can be when the electric current of electric driver 73 exceedes certain numerical value Control electric driver 73 to stop driving in time, both save electric energy, protect the circuit of electric bracket again, it is ensured that electronic The service life of support.

It is appreciated that in other embodiments, the time that control unit can also drive according to electric driver, and non-electrical The operating current of drive device, judge whether electric driver should be controlled to stop operating.

Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed, But therefore it can not be interpreted as the limitation to the utility model patent scope.It should be pointed out that for the common of this area For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims

1. a kind of electric bracket, including housing and a pair of jig arm, it is characterised in that the electric bracket also includes：

Link gear, the link gear are connected with least one jig arm in the pair of jig arm；

Electric driver, the electric driver are connected with the link gear；

Control unit, described control unit are coupled to the electric driver；

At least one trigger element, the trigger element are coupled to described control unit；

When the trigger element is triggered, described control unit controls the electric driver to drive the link gear so that At least one jig arm movement in the pair of jig arm.

2. electric bracket according to claim 1, it is characterised in that it is single that the electric bracket includes a triggering Member, when the trigger element is triggered secondary by even odd for several times, described control unit is controlled described in the electric driver forward drive Link gear so that at least one jig arm in the pair of jig arm moves inward；The trigger element is touched by idol/odd-times During hair, described control unit controls link gear described in the electric driver reverse drive so that in the pair of jig arm At least one jig arm moves laterally.

3. electric bracket according to claim 1, it is characterised in that it is single that the electric bracket includes two triggerings Member, when one of them described trigger element is triggered, described control unit controls connection described in the electric driver forward drive Motivation structure so that at least one jig arm in the pair of jig arm moves inward；Trigger element described in other in which is touched During hair, described control unit controls link gear described in the electric driver reverse drive so that in the pair of jig arm At least one jig arm moves laterally.

4. electric bracket according to claim 3 a, it is characterised in that trigger element is located at the branch of the housing Support face, another described trigger element are located at the surface beyond the supporting surface of the housing.

5. electric bracket according to claim 1, it is characterised in that it is single that the electric bracket includes three triggerings Member, when one of them described trigger element is triggered, described control unit controls connection described in the electric driver forward drive Motivation structure so that at least one jig arm in the pair of jig arm moves inward；Wherein two other described trigger element is same When being triggered, described control unit controls link gear described in the electric driver reverse drive so that the pair of folder At least one jig arm in arm moves laterally.

6. electric bracket according to claim 5, it is characterised in that one trigger element is located at the support of housing Face, two other described trigger element are located at less two sides of spacing of the housing respectively.

7. according to any described electric bracket of claim 3 or 5, it is characterised in that described control unit passes through described in judgement Whether trigger element breaks down and controls electric bracket to enter different mode of operations.

8. electric bracket according to claim 1, it is characterised in that the electric bracket also includes being connected with the housing Base, described control unit and/or the trigger element are arranged at the base.

9. according to any described electric bracket in claim 2,3 or 5, it is characterised in that the link gear includes gear, institute Stating in a pair of jig arm jig arm includes clamping part and the connecting portion being connected with the clamping part, and the connecting portion is away from described One end of clamping part is provided with accepting groove, and the accepting groove has a first side, and the first side is dentation, and first side Engaged with the gear in face.

10. electric bracket according to claim 9, it is characterised in that another jig arm in the pair of jig arm includes Clamping part and the connecting portion being connected with the clamping part, the one end of the connecting portion away from the clamping part are provided with accepting groove, institute Stating accepting groove has a second side opposite with the first side, and the second side is dentation, and the second side with The gear engagement.

11. electric bracket according to claim 9, it is characterised in that the connecting portion is provided with limiting section.

12. according to any described electric bracket in claim 2,3 or 5, it is characterised in that the pair of jig arm laterally or to When medial movement reaches the limitation or clamped part to be fixed, described control unit controls the electric driver to stop driving.

13. electric bracket according to claim 12, it is characterised in that described control unit includes current sample subelement With drive control subelement, the current sample subelement samples to the operating current of the electric driver, when described When operating current is more than predetermined threshold value, the drive control subelement controls the electric driver to stop driving.

14. electric bracket according to any one of claims 1 to 6, it is characterised in that it is single that the electric bracket is additionally provided with input Member and output unit, the output unit are USB interface or magnetic joint or Wireless charging coil.

15. electric bracket according to claim 14, it is characterised in that the electric bracket also includes being arranged at the shell The solid support portion of body bottom, and the portion of support admittedly is flexibly connected with the housing, the output unit is to be arranged at the support portion admittedly Out splice going splice.

16. electric bracket according to claim 1, it is characterised in that the electric bracket also includes power supply unit, described Power supply unit independently is described control unit, the electric driver, the touch control unit and provides electric energy.