CN209517241U

CN209517241U - Utilize the bracket of self weight control holding action

Info

Publication number: CN209517241U
Application number: CN201920112784.5U
Authority: CN
Inventors: 曾学成
Original assignee: Dongguan Wanyongtong Intelligent Technology Co ltd
Current assignee: Dongguan Wanyongtong Intelligent Technology Co ltd
Priority date: 2019-01-23
Filing date: 2019-01-23
Publication date: 2019-10-18
Anticipated expiration: 2029-01-23

Abstract

The utility model disclose it is a kind of using self weight control holding action bracket, include shell and be installed on the intracorporal control unit of shell, automatic clamp arm mould group, clamping control switch and for trigger clamp control switch base arm；Described control unit is connected to automatic clamp arm mould group, clamping control switch；When product is put into base arm, the base arm is pressurized to bottom offset to trigger clamping control switch, in turn, feeds back to control unit to control automatic clamp arm mould group and clamp；In this way, clamping control switch is triggered by base arm by being self-possessed mobile phone come the base arm that links, thus, it is ensured that mobile phone controls automatic clamping when being put into place again, accurate, improves ease of use and reliability.

Description

Utilize the bracket of self weight control holding action

Technical field

The utility model relates to field of stents technologies, refer in particular to a kind of bracket using self weight control holding action.

Background technique

Existing automatic clamp bracket senses being put into for mobile phone generally by setting photoelectric sensor switch, then touches It sends control clamp arm to clamp automatically, this kind of mode, is easy to appear mobile phone and is in place not yet and but sensed that mobile phone presss from both sides immediately The phenomenon that holding causes to fail correctly to clamp, it is also possible to because of the i.e. control clamping at optoelectronic induction shape of foreign matter gear, therefore, give User makes troubles；Also some after placing mobile phone, are needed manually opened by pressing off by being arranged push switch on bracket It closes, then realizes clamping；There is the problems such as property easy to control, less reliable, cause to clamp automatically in above-mentioned several control modes Bracket it is not very practical.

And the clamp arm of existing bracket be all with shell one assembly and connection, part is various, assembling trouble and it is subsequent Maintenance replacement process it is various, be unfavorable for wireless charging bracket disassembling shell replacement；In addition, the pcb board inside wireless charging bracket It is to be set together with motor, in use, the vibration of motor may influence the performance of pcb board, moreover, it is to the space in shell Using insufficient, the volume of entire product is caused to be difficult to smaller；It is also less reasonable to the positioning of motor in traditional technology, Prolonged use will lead to the loosening of motor, to affect the overall performance of wireless charging.In addition, connecting between clamp arm and shell Stability shortcoming is connect, clamp arm is easy to tilt, and causes clamp arm to be damaged, so that electronic product is easy to fall in charging；And wirelessly The Wireless charging coil for filling bracket is that the mode being bonded is connected in shell, and connection is unstable, and fastness is not good enough, reduces product Yield, it is at high cost.

Therefore, it is necessary to develop the new technical solution of one kind to solve the above problems.

Utility model content

In view of this, the utility model is in view of the existing deficiencies of the prior art, main purpose is to provide a kind of using certainly The bracket for controlling holding action again, by being self-possessed mobile phone come the base arm that links, by base arm triggering clamping control switch, thus, Ensure that mobile phone controls automatic clamping when being put into place again, it is accurate, improve ease of use and reliability.

To achieve the above object, the utility model is using following technical solution:

It is a kind of using self weight control holding action bracket, include shell and be installed on the intracorporal control unit of shell, from Dynamic clamp arm mould group, clamping control switch and the base arm for triggering clamping control switch；Described control unit is connected to certainly Dynamic clamp arm mould group, clamping control switch；When product is put into base arm, the base arm, which is pressurized, to be opened to bottom offset with triggering clamping control It closes, in turn, feeds back to control unit to control automatic clamp arm mould group and clamp.

As a preferred embodiment, the first reseting elastic element, the first Flexible Reset member are installed in the base arm Part one end acts on shell and the other end acts on base arm so that base arm resets upwards；Mounting hole, institute are offered in the base arm It states and is installed with switchboard in mounting hole, the clamping control switch is set on switchboard, is corresponded on mounting hole in the base arm Side is provided with trigger action portion, and the trigger action portion triggers clamping control switch in company with base arm up and down displacements or releases touching Hair.

As a preferred embodiment, it is provided with guide posts on the shell, stroke guide channel, institute are provided in the base arm Guide posts are stated to protrude into stroke guide channel.

As a preferred embodiment, the automatic clamp arm mould group include cover board and the motor sub-assembly being installed in cover board and Clamp arm；The first clamp arm installation position is provided on the shell；The second clamp arm installation position is provided on the cover board；The clamp arm packet Left clamp arm, right clamp arm are included, the corresponding second clamp arm installation position of left clamp arm, right clamp arm is installed in cover board, and motor sub-assembly driving is left Clamp arm, right clamp arm left and right displacement；The automatic clamp arm mould group is corresponding, and first clamp arm installation position is detachable is installed in shell；Institute It states control unit and is connected to motor sub-assembly.

As a preferred embodiment, the motor sub-assembly further include have motor, gear shaft, be connected to the gear of gear shaft with And transmission connection is in the rack gear of gear；Gear shaft is connected to the output end of motor；Rack gear includes upper rack, lower rack gear, upper tooth Engaged transmission is on gear respectively for item, lower rack gear, and upper rack acts on right clamp arm, and lower rack gear acts on left clamp arm；

And described control unit is connected with pcb board, the pcb board rear end is limited in the front side top of cover board；It is described Pcb board and motor are respectively arranged in the forward and backward side position of automatic clamp arm mould group.

As a preferred embodiment, on the shell corresponding second clamp arm installation position be convexly equipped with forward it is left and right for preventing Two spacing block sets that clamp arm tilts, the setting of two spacing block sets or so compartment；Correspondingly, the rear side of left clamp arm, right clamp arm It is recessed with limiting groove forward, spacing block set adapts in corresponding limiting groove.

As a preferred embodiment, it is additionally provided with the second reseting elastic element, there are two the settings of the second reseting elastic element, Its lateral piece for being respectively arranged at left and right clamp arm, the front end of the lateral piece are recessed with installation groove, the installation groove backward It is inside convexly equipped with connecting shaft, the second reseting elastic element is located in installation groove, and one end of the second reseting elastic element is socketed on company In spindle, the other end of the second reseting elastic element acts on cover board.

As a preferred embodiment, it is provided with Wireless charging coil on the cover board, peace is provided on Wireless charging coil Hole is filled, buckle part, the buckle column that buckle part has positioning plate portion and is connected to below positioning plate portion, the top of cover board are additionally provided with It is provided with buckling position hole；The mounting hole of Wireless charging coil corresponds to buckling position hole and is placed on cover board, the buckle column of buckle part from upper and Under protrude into mounting hole, buckling position hole, buckle column is limited in buckling position hole, and the positioning plate portion of buckle part then presses setting to be located at wireless charging The top of electric coil.

As a preferred embodiment, be provided with more than two clamping jaws around setting on the cover board, aforementioned buckling position hole by Clamping jaw encloses structure and forms, and the upper end of each clamping jaw is convexly equipped with the first back-off inside, and the lower end of the buckle column of aforementioned buckle part is toward evagination Equipped with the second back-off, when buckle column protrudes into buckling position hole from top to bottom, the second back-off is limited in corresponding first back-off lower section.

As a preferred embodiment, the clamping control switch is the switch clamped for controlling automatic clamp arm mould group；Institute The opening control switch for being additionally provided on shell and opening for controlling automatic clamp arm mould group is stated, the opening control switch is connected to Control unit；When needing to take out product, control switch is opened in triggering, and in turn, control unit controls automatic clamp arm mould group and opens automatically It opens.

The utility model has clear advantage and beneficial effect compared with prior art, specifically, by above-mentioned technology Scheme is it is found that it is mainly:

One, by being self-possessed mobile phone come the base arm that links, by base arm triggering clamping control switch, thus, it is ensured that mobile phone is being put Automatic clamping is controlled when entering in place again, it is accurate, improve ease of use and reliability；

Two, the trigger architecture relationship between base arm and clamping control switch, it is ingenious in design reasonable, meanwhile, it is the next in base arm Shifting is stablized smooth, further ensures the reliability of automatic clamping control；

Three, by the modularized design of automatic clamp arm mould group, it can be convenient replacement shell to obtain different shape demands Product improves automatic clamp arm mould group and processing procedure versatility, reduces production cost；Meanwhile structure is simple, it is easy to disassemble, after Phase maintenance and replacement are convenient, are conducive to improve product quality and installation effectiveness.

For the structure feature and effect for more clearly illustrating the utility model, come with reference to the accompanying drawing with specific embodiment pair The utility model is described in detail.

Detailed description of the invention

Fig. 1 is the main view of the embodiment of the utility model；

Fig. 2 is the first state schematic diagram (only illustrating partial structurtes) of the embodiment of the utility model；

Fig. 3 is the second status diagram (only illustrating partial structurtes) of the embodiment of the utility model；

Fig. 4 is the first partial exploded view of the embodiment of the utility model；

Fig. 5 is the second partial exploded view of the embodiment of the utility model.

Description of drawing identification:

10, shell 11, guide posts

12, base arm 121, the first reseting elastic element

122, switchboard 123, trigger action portion

124, stroke guide channel 125, mounting hole

13, pcb board 14, Wireless charging coil

141, mounting hole 142, buckle part

15, control switch 20, automatic clamp arm mould group are clamped

21, cover board 211, upper cover plate

212, lower cover plate 213, the second clamp arm installation position

214, backstop boss 215, locating convex block

216, stopper posts 218, rack gear mounting groove

22, motor sub-assembly 221, motor

222, gear shaft 223, gear

224, rack gear 225, upper rack

226, lower rack gear 227, fixed frame

228, sliding block 229, sliding slot

23, clamp arm 231, left clamp arm

232, right clamp arm 236, protrusion

237, positioning groove 238, installation groove

239, connecting shaft 24, the second reseting elastic element

25, the first spacing block set 26, the second spacing block set

27, buckling position hole 271, clamping jaw

28, control switch is opened.

Specific embodiment

It please refers to shown in Fig. 1 to Fig. 5, that show the specific structures of the embodiment of the utility model.

A kind of bracket using self weight control holding action, includes shell 10 and the control list being installed in shell 10 First, automatic clamp arm mould group 20, clamping control switch 15 and the base arm 12 for triggering clamping control switch 15；Described control unit It is connected to automatic clamp arm mould group 20, clamping control switch 15；When product is put into base arm 12, the base arm 12 is pressurized downwards Displacement is to trigger clamping control switch 15, in turn, feeds back to control unit to control automatic clamp arm mould group 20 and clamp product；

Preferably, the shell is internally provided with accommodating cavity, the shell have upper and lower reassembling type connection upper casing, under Shell, accommodating cavity are set in lower casing, and the upper casing is assembled in lower casing to seal the upper end of accommodating cavity；And aforementioned control unit, from Dynamic clamp arm mould group 20, clamping control switch 15 and the base arm 12 for triggering clamping control switch 15 are all set in accommodating cavity Portion；In this way, clamping control switch is triggered by base arm 12 by mobile phone being self-possessed come the base arm 12 that links, thus, it is ensured that mobile phone is being put Automatic clamping is controlled when entering in place again, it is accurate, improve ease of use and reliability.

As shown in Figure 2 and Figure 3, in the present embodiment, it is installed with the first reseting elastic element 121 in the base arm 12, described One reseting elastic element, 121 one end acts on shell 10 and the other end acts on base arm 12 so that base arm 12 resets upwards；It is described Mounting hole 125 is offered in base arm 12, switchboard 122 is installed in the mounting hole 125, and the clamping control switch 15 is arranged In on switchboard 122, corresponding to the trigger action portion 123 that is provided with above mounting hole 125, the trigger action portion in the base arm 12 123 are triggered in company with 12 up and down displacements of base arm with triggering clamping control switch 15 or releasing；Herein, it is provided on the shell 10 Guide posts 11 are provided with stroke guide channel 124 in the base arm 12, and the guide posts 11 protrude into stroke guide channel 124.

As shown in Figure 4, Figure 5, the automatic clamp arm mould group 20 includes cover board 21 and the groups of motors that is installed in cover board 21 Part 22 and clamp arm 23；The first clamp arm installation position is provided on the shell 10；The installation of the second clamp arm is provided on the cover board 21 Position；The clamp arm 23 includes left clamp arm 231, right clamp arm 232, the corresponding second clamp arm installation position of left clamp arm 231, right clamp arm 232 It is installed in cover board 21, motor sub-assembly 22 drives left clamp arm 231,232 left and right displacement of right clamp arm；The automatic clamp arm mould group 20 is right Answer the first clamp arm installation position is detachable to be installed in shell 10；Described control unit is connected to motor sub-assembly 22；

Herein, the cover board 21 has the upper cover plate 211 and lower cover plate 212 that are detachably connected with up and down, before upper cover plate 211 End extends downward with fixing piece, and the bottom surface of fixing piece is connect with the top surface of lower cover plate 212, and the first company is offered on fixing piece Hole is connect, the second connecting hole is offered on lower cover plate 212, the first, second connecting hole on the same axis, is additionally provided with connection Part, connector be sequentially connected the first connecting hole, the second connecting hole from top to bottom with formed upper cover plate 211, lower cover plate 212 it is removable Unload formula connection；Second clamp arm installation position 213 is set on lower cover plate 212, and the clamp arm 23 has left clamp arm 231, right folder Arm 232, left clamp arm 231 and the L-shaped structure of right clamp arm 232, left clamp arm 231, right clamp arm 232 have clamping part and in clamping parts The lateral piece of the extended lateral piece in side, the lateral piece of left clamp arm 231 and right clamp arm 232 is symmetrical structure setting；Zuo Jia Arm 231, right clamp arm 232 lateral piece be caught in the first, second installation position from top to bottom, clamping part exposes to the outer of shell 10 Side, upper cover plate 211 are connected to lower cover plate 212 so that left and right clamp arm to be fixedly connected on cover board 21；

In general, being extended in left clamp arm 231, right clamp arm 232 has protrusion 236, protrusion 236 is located at the front side of lateral piece Edge is convexly equipped with two backstop boss 214 away from arrangement, backstop boss 214 between left and right on upper cover plate 211 and is set to upper cover plate The edge of 211 the second clamp arm installation position 213, two protrusions 236 are respectively positioned on position between two backstop boss 214；When left folder When arm 231, right clamp arm 232 turn left, move right certain distance, the medial surface phase of the lateral surface and backstop boss 214 of protrusion 236 Connection, which limit the distances that left and right clamp arm moves left and right, that is to say, that and configured left boss limits left clamp arm and turns left shift length, Right boss limits right clamp arm and turns right shift length.

The left clamp arm 231, the lateral piece bottom end of right clamp arm 232 are concave up equipped with positioning groove 237, the second clamp arm peace Dress is convexly equipped with two locating convex blocks 215 on position 213, and left and right space type is set on the second clamp arm installation position 213；Locating convex block 215 are located at the medium position of the second clamp arm installation position 213, and locating convex block 215 adapts in corresponding positioning groove 237；It is described fixed The top of position convex block 215 and the inner wall top of positioning groove 237 are that circular arc is arranged, outside described two locating convex blocks 215 End extends outwardly and is provided with stopper posts 216, and the outer end of positioning groove 237 is cecum, by stopper posts 216 with accordingly position it is recessed It is adapted on the inside of the cecum of slot 237, accordingly turns right shift length to limit left clamp arm 231, and, right clamp arm 232 is toward left dislocation Distance, it is preferable that the circular arc of the stopper posts 216 and locating convex block 215 on same axis, the diameter of stopper posts 216 with Circular arc is equal.

It is additionally provided with the second reseting elastic element 24, there are two the settings of the second reseting elastic element 24, is respectively arranged at The lateral piece of left and right clamp arm, the front end of the lateral piece are recessed with installation groove 238, and the left and right ends of installation groove 238 are not Lateral piece is penetrated through, one end of the second reseting elastic element 24 is connected to the installation groove 238 of lateral piece, and the other end is connected to lower cover Plate 212；Preferably, connecting shaft 239 is convexly equipped in the installation groove 238, one end of the second reseting elastic element 24 is socketed on In connecting shaft 239；And second reseting elastic element 24 be the reset with elastic reset material such as second reseting elastic element Part.Herein, the second reseting elastic element 24 is the second reseting elastic element of pressure, and the setting of the second reseting elastic element 24 ensures Left and right clamping limb forms reliable retention to the clamped equipment such as mobile phone；

The clamping control switch 15 is the switch clamped for controlling automatic clamp arm mould group 20；It is also set on the shell 10 It is equipped with the opening control switch 28 opened for controlling automatic clamp arm mould group 20, it is single that the opening control switch 28 is connected to control Member；When needing to take out product, control switch 28 is opened in triggering, and in turn, control unit controls automatic clamp arm mould group 20 and opens automatically With convenient for users to taking out product；Preferably, the opening control switch 28 is button-type control switch or photoelectric sensor switch Or touch control type switch, other suitable switches can also be used；In general, the side that control switch 28 is set to shell 10 is opened, such as: Left or right side position, to open control switch 28 convenient for users to operation.

The motor sub-assembly 22 is set in lower cover plate 212, is located at the rear of left clamp arm 231, right clamp arm 232；It is described Motor sub-assembly 22 is with motor 221, the gear shaft 222 for being connected to motor 221, the gear 223 for being connected to gear shaft 222 and passes The dynamic rack gear 224 for being connected to gear 223, the output end of motor 221 are provided with fixed frame 227, offer on fixed frame 227 logical Hole, one end of through-hole correspond to the output end of aforementioned motors 221, and one end of gear shaft 222, which is protruded into through-hole, is connected to motor 221 Output end；Rack gear mounting groove 218 is provided on the lower cover plate 212, rack gear mounting groove 218 is located at the rear side of lower cover plate 212, under The rear end of cover board 212, which is extended, motor mounting groove, and motor mounting groove is set to the rear of rack gear mounting groove 218, the horse The motor mounting groove for being installed on lower cover plate 212 up to 221, upper cover plate 211 are connected to lower cover plate 212 to form the removable of motor 221 Unload formula connection；Motor 221 is covered by upper and lower lids, it is therefore prevented that motor can be loosened in use state, lead to other parts Damage, performance stablize, improve the yield of product.

Delivery outlet is offered between the motor mounting groove and rack gear mounting groove 218, delivery outlet is through-hole, is connected before and after through-hole Motor mounting groove and rack gear mounting groove 218 are passed through, the upper end of through-hole is to upwardly extend setting；The motor 221 is pacified from top to bottom Loaded on motor mounting groove, the leading flank of fixed frame 227 is connected with the trailing flank of rack gear mounting groove 218, and gear 223 is arranged In in rack gear mounting groove 218, the leading portion of gear shaft 222 is stuck in through-hole, and gear 223 is connected to the other end of gear shaft 222, Gear 223 is set in rack gear mounting groove 218；The rack gear 224 has upper rack 225, lower rack gear 226, and upper rack 225 is arranged In the top of rack gear mounting groove 218, lower rack gear 226 is set to the bottom surface of rack gear mounting groove 218, the front end of the upper and lower rack gear It is convexly equipped with sliding block 228, being extended forward for rack gear mounting groove 218 has sliding slot 229, and the sliding block 228 of lower rack gear 226 is in sliding slot 229 are connected to aforementioned second clamp arm installation position 213, and the lower rack gear 226 is connected to left clamp arm 231, and upper rack 225 is connected to the right side Clamp arm 232；Herein, when motor 221 rotates, gear 223 drives upper and lower rack gear to move left and right left and right clamp arm.(note Solution；The advantage that rack gear is separated with clamp arm: rack gear separates building with clamp arm, so that only to the expansion action of clamp arm when motor operations The pinching action of acting, clamp arm drives for the second reseting elastic element from tension, avoids clamp arm and is keeping gripping electronics When product, motor needs work long hours and the drawbacks such as the high fever generated and easy corrupted, and the clamping tension of clamp arm is the second reset The coefficient of stiffiness of elastic element is determined that motor workmanship pressure is desirable just to liberate to the greatest extent with minimum power It is suitble to the requirement of product, and reduces production cost and product drawback.)

The first spacing block set for preventing left and right clamp arm from tilting up and down is convexly equipped on second clamp arm installation position 213 25, the second spacing block set 26, the first, second spacing block set semicircular in shape structure, the first, second spacing block set be between left and right every Formula is set on the second clamp arm installation position 213, and, the first spacing block set 25 is located at the lower end of the second clamp arm installation position 213, The upper end of two spacing block sets, 26 second clamp arm installation position 213；232 rear inward of right clamp arm is recessed with the first limiting groove, Left 231 rear inward of clamp arm is recessed with the second limiting groove, and the inner wall of the first, second limiting groove is semicircular structure, the One spacing block set 25 adapts in the first limiting groove, and the second spacing block set 26 adapts in the second limiting groove.

The Wireless charging coil 14 is set on cover board 21, and mounting hole 141 is provided on Wireless charging coil 14, is also set It is equipped with buckle part 142, the buckle column that buckle part 142 has positioning plate portion and is connected to below positioning plate portion, the top of cover board 21 It is provided with buckling position hole 27, first the corresponding buckling position hole of the mounting hole 141 of Wireless charging coil 14 is placed on cover board 21, then by button bit The buckle column of part 142 protrudes into mounting hole 141, buckling position hole 27 from top to bottom, and buckle column is limited in buckling position hole 27, buckle part 142 positioning plate portion then presses setting positioned at the top of Wireless charging coil 14, in this way, being connected to buckling position hole using buckle part 142 27 to form being fixedly connected for Wireless charging coil 14 and cover board 21；In the present embodiment, there are four surrounded for setting on cover board 21 The clamping jaw 271 of setting, aforementioned buckling position hole 27 are enclosed structure by four clamping jaws 271 and are formed, and the upper end of each clamping jaw 271 is convexly equipped with inside One back-off, the lower end of the buckle column of aforementioned buckle part 27 are convexly equipped with the second back-off (herein, the second back-off is annular back-off) outward, When buckle column is protruded into from top to bottom in buckling position hole 27, the second back-off is limited in corresponding first back-off lower section.

Described control unit is connected with pcb board 13, and the pcb board 13 is set in accommodating cavity, before being located at accommodating cavity Fragment position, 13 rear end of pcb board are limited in the front side top of lower cover plate 212；Herein, by pcb board 13 and motor 221 be respectively arranged in The forward and backward side position of automatic clamp arm mould group 20, structure arrangement are more reasonable；Compared in traditional technology by pcb board 13 and motor 221 It is arranged in for the scheme of the same area, in the utility model, the design space inside accommodating cavity can be utilized well, it is whole Body structure is more compact, and the volume of entire wireless charging bracket be can be made smaller.Certainly, Wireless charging coil 14 is to be stacked at certainly 21 top of cover board of dynamic clamp arm mould group 20, therefore, pcb board 13 and motor 221 also correspond to are respectively arranged in wireless charging The forward and backward side position of coil 14；The leading flank of the lower casing 12 is provided with charging interface 131, and pcb board 13 is connected to wireless charging Coil 14, motor 221 and charging interface 131；Preferably, charging interface 131 is set on pcb board 13.

Preferably, the top of the shell 10 is provided with the anti-skidding silica gel of cover for preventing electronic product from sliding.

Next two kinds of service conditions of bracket are substantially introduced:

(i.e. normal state) in the first state, the trigger action portion of the base arm are located at the top of clamping control switch, It does not compress triggering to clamping control switch formation, at this point, clamping control switch is in close state；

(i.e. use state) in the second condition, mobile phone is placed in base arm, declines base arm using the weight of mobile phone, At this point, the trigger action portion of base arm will clamp control switch and be triggered opening downwardly against aforesaid clip control switch, this When, clamping control switch is in the open state, and signal feeds back to control unit to control automatic clamp arm mould group operation for mobile phone Automatic-clamping；Herein, aforementioned first reseting elastic element is in (compression) state of pushing, when picking up mobile phone, mobile phone gravity pair The effect that compresses of base arm releases, and base arm is raised above reset by the reset response power of the first reseting elastic element, meanwhile, bottom The trigger action portion of arm rises with it to release and compress to clamping control switch, and clamping control switch is resetted upwards in pass Closed state.

The design focal point of the utility model is:

The above descriptions are merely preferred embodiments of the present invention, not makees to the technical scope of the utility model Any restrictions, therefore any trickle amendment made by the above technical examples according to the technical essence of the present invention, equivalent change Change and modify, is still within the scope of the technical solutions of the present invention.

Claims

1. a kind of bracket using self weight control holding action, it is characterised in that: include shell and be installed on the intracorporal control of shell Unit, automatic clamp arm mould group, clamping control switch and the base arm for triggering clamping control switch processed；Described control unit difference It is connected to automatic clamp arm mould group, clamping control switch；When product is put into base arm, the base arm is pressurized to bottom offset to trigger folder Control switch is held, in turn, feeds back to control unit to control automatic clamp arm mould group and clamp.

2. the bracket according to claim 1 using self weight control holding action, it is characterised in that: installed in the base arm There is the first reseting elastic element, first reseting elastic element one end acts on shell and the other end acts on base arm so that bottom Arm resets upwards；Mounting hole is offered in the base arm, switchboard is installed in the mounting hole, and the clamping control switch is set It is placed on switchboard, is corresponded in the base arm and be provided with trigger action portion above mounting hole, the trigger action portion is in company with base arm Up and down displacements are to trigger clamping control switch or release triggering.

3. the bracket according to claim 1 using self weight control holding action, it is characterised in that: be arranged on the shell There are guide posts, stroke guide channel is provided in the base arm, the guide posts protrude into stroke guide channel.

4. the bracket according to claim 1 using self weight control holding action, it is characterised in that: the automatic clamp arm mould Group includes cover board and the motor sub-assembly being installed in cover board and clamp arm；The first clamp arm installation position is provided on the shell；Institute It states and is provided with the second clamp arm installation position on cover board；The clamp arm includes left clamp arm, right clamp arm, left clamp arm, right clamp arm corresponding the Two clamp arm installation positions are installed in cover board, and motor sub-assembly drives left clamp arm, right clamp arm left and right displacement；The automatic clamp arm mould group pair Answer the first clamp arm installation position is detachable to be installed in shell；Described control unit is connected to motor sub-assembly.

5. the bracket according to claim 4 using self weight control holding action, it is characterised in that: the motor sub-assembly is also It include motor, gear shaft, the gear for being connected to gear shaft, transmission connection in the rack gear of gear；Gear shaft is connected to motor Output end；Rack gear includes upper rack, lower rack gear, and on gear, upper rack acts on engaged transmission respectively for upper rack, lower rack gear Right clamp arm, lower rack gear act on left clamp arm；

And described control unit is connected with pcb board, the pcb board rear end is limited in the front side top of cover board；The pcb board It is respectively arranged with motor in the forward and backward side position of automatic clamp arm mould group.

6. the bracket according to claim 1 using self weight control holding action, it is characterised in that: corresponding on the shell Second clamp arm installation position is convexly equipped with forward two spacing block sets for preventing left and right clamp arm from tilting, two spacing block sets or so Compartment setting；Correspondingly, left clamp arm, right clamp arm rear side be recessed with limiting groove forward, spacing block set adapts to accordingly In limiting groove.

7. the bracket according to claim 4 using self weight control holding action, it is characterised in that: it is multiple to be additionally provided with second Position elastic element, there are two the settings of the second reseting elastic element, is respectively arranged at the lateral piece of left and right clamp arm, the transverse slat The front end in portion is recessed with installation groove backward, and connecting shaft is convexly equipped in the installation groove, and the second reseting elastic element is located at peace It fills in groove, one end of the second reseting elastic element is socketed in connecting shaft, and the other end of the second reseting elastic element acts on Cover board.

8. the bracket according to claim 4 using self weight control holding action, it is characterised in that: be arranged on the cover board Have Wireless charging coil, be provided with mounting hole on Wireless charging coil, be additionally provided with buckle part, buckle part have positioning plate portion and The buckle column being connected to below positioning plate portion, the top of cover board are provided with buckling position hole；The corresponding button of the mounting hole of Wireless charging coil Position hole is placed on cover board, and the buckle column of buckle part protrudes into mounting hole, buckling position hole from top to bottom, and buckle column is limited in buckling position hole Interior, the positioning plate portion of buckle part then presses setting positioned at the top of Wireless charging coil.

9. the bracket according to claim 8 using self weight control holding action, it is characterised in that: be arranged on the cover board There are two the above clamping jaw around setting, aforementioned buckling position hole is enclosed structure by clamping jaw and is formed, and the upper end of each clamping jaw is convexly equipped with the inside One back-off, the lower end of the buckle column of aforementioned buckle part are convexly equipped with the second back-off outward, when buckle column protrudes into buckling position hole from top to bottom Interior, the second back-off is limited in corresponding first back-off lower section.

10. the bracket according to claim 1 using self weight control holding action, it is characterised in that: the clamping control Switch is the switch for controlling automatic clamp arm mould group clamping；It is additionally provided on the shell for controlling automatic clamp arm mould group The opening control switch opened, the opening control switch are connected to control unit；When needing to take out product, triggering is opened control and is opened It closes, in turn, control unit controls automatic clamp arm mould group and opens automatically.