CN206145394U

CN206145394U - Telescopic link that utilizes rear camera to shoot reaches from rapping bar

Info

Publication number: CN206145394U
Application number: CN201621023667.4U
Authority: CN
Inventors: 梁超群
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-08-31
Filing date: 2016-08-31
Publication date: 2017-05-03
Anticipated expiration: 2026-08-31

Abstract

The utility model relates to a digital product technical field provides a telescopic link that utilizes rear camera to shoot reaches from rapping bar, uses with removing the camera equipment cooperation, including the flexible pipe of brake valve lever and multisection, brake valve lever including the casing, the display screen that have the atrium, be used for controlling the display screen with remove camera equipment synchronization display with shield the ware, be used for to control display screen and control assembly with shielding ware work and for the battery with shielding ware, display screen power supply, the bottom port of the flexible pipe of multisection connects in the opening part of atrium, with shield the ware and the battery sets up in the atrium, the display screen and remove camera equipment respectively with shielding ware signal connection. Through the setting with shielding ware and display screen, make and remove camera equipment taken pictures and can real time transport advance line display to the display screen on the brake valve lever, make the person of shooing more closely and more clear watching remove and show the shooting condition, the experience that brings convenience, adding user for the user who uses the telescopic link to shoot on the camera equipment screen.

Description

Expansion link and self-shooting bar that a kind of utilization post-positioned pick-up head is taken pictures

Technical field

This utility model is related to digital product technical field, more particularly to the expansion link that a kind of utilization post-positioned pick-up head is taken pictures And self-shooting bar.

Background technology

With the development that increasingly raising and electronic product are advanced by leaps and bounds of people's living standard, dollying equipment is taken pictures just In being widely used in increasing living scene, as people the portable tool of drop life is recorded.But when people think When clapping group photo, it is necessary to have a people out to take pictures, it is meant that this people can not be added among group photo, look for stranger to help It is busy, it is also inconvenient after all.Additionally, when going on a journey alone, meeting beautiful scenery by chance, it is desirable to autodyne one, how arm is too short, only photographed one How major part, but can not all accommodate scenery.As a result, self-shooting bar arises at the historic moment.But traditional self-shooting bar can only be utilized The front-facing camera of dollying equipment is taken pictures, and the shooting effect of the front-facing camera of most of dollying equipment is all Much to be worse than post-positioned pick-up head.In prior art, use and set up illuminator in dollying equipment back side, taking pictures, this leads to The image seen in illuminator is crossed, the situation of taking pictures by post-positioned pick-up head can be substantially known, but can there is following defect, first, Illuminator apart from photographer farther out, it is more difficult to see details, affect shooting quality；Secondly, when illuminator is just to light source, easily Generation is reflective, and the reflecting effect of illuminator is stronger than the reflecting effect of dollying device screen, causes illuminator clear Imaging, leads to not be shot.To sum up, the effect of taking pictures of the self-shooting bar taken pictures using dollying equipment post-positioned pick-up head It is really poor.

Utility model content

The purpose of this utility model is to provide expansion link and the self-shooting bar that a kind of utilization post-positioned pick-up head is taken pictures, it is intended to solved The self-shooting bar certainly taken pictures using dollying equipment post-positioned pick-up head in prior art take pictures effect difference problem.

To solve above-mentioned technical problem, the technical solution of the utility model is：There is provided one kind to take pictures using post-positioned pick-up head Expansion link, use cooperatively with dollying equipment, including joystick and top be connected with the dollying equipment and The multiple-segment telescopic tube that bottom is connected with the joystick, the joystick includes the housing with atrium, is arranged at institute State the display screen on housing, for controlling the display screen and the same screen device of the dollying equipment simultaneous display, for controlling The display screen is made with the control assembly with screen device work and for described with the battery for shielding device, the display screen is powered, The bottom port of the multiple-segment telescopic tube is connected at the opening of the atrium, described to be arranged at screen device and the battery The opening intracavity, the display screen and the dollying equipment are connected respectively with described with screen device signal.

Further, the control assembly includes that circuit board, the control display screen are connected/break with described with screen device signal The same screen switch opened, and the power on/off display switch of the display screen is controlled, the same screen device and the display screen are all Electrically connect with the circuit board, the circuit board is electrically connected with the battery.

Further, storage chip is provided with the circuit board, the storage chip has with the dollying equipment Line or wireless connection.

Further, the hull outside wall to the atrium sunken inside mounting groove, by rotating shaft tied by the display screen Structure is rotationally connected with the mounting groove side, and the display surface of the display screen towards the bottom of the housing.

Alternatively, the opening intracavity of the housing is provided with plug socket, and the plug socket is connected with described with screen device signal, And be electrically connected with the battery, and setting is passed from the opening cavity wall, it is described that the display screen bottom is provided with insertion The plug that plug socket is electrically connected with and signal connects.

Further, the expansion link is included located at the top plug of the multiple-segment telescopic tube top port and located at institute The bottom plug of multiple-segment telescopic tube bottom port is stated, the bottom plug is offered and is communicated in the tube chamber of the multiple-segment telescopic tube Pore；

The joystick also includes the air pump with breather, is inflated/is evacuated/release for controlling the air pump Control device, the air pump is arranged at the opening intracavity, and is electrically connected with the battery, the pore and the air pump Breather tube chamber connection.

Further, the control device includes the control air-pump inflating/pumping at the breather of the air pump Air valve.

Further, the control device includes the connecting tube of the connection pore and the breather.

This utility model also provides a kind of self-shooting bar, and the self-shooting bar includes expansion link as above and for controlling What follow shot equipment was taken pictures take pictures component.

Further, the component of taking pictures includes take pictures button and Bluetooth chip, the Bluetooth chip and follow shot Bluetooth connection between equipment.

This utility model having the technical effect that relative to prior art：Arrange with screen device in opening intracavity, set on housing Display is put, dollying equipment is connected with same screen device signal, is connected with the monitor signal being arranged on housing again with screen device, Simultaneously battery is respectively and is powered with screen device and display screen, when dollying equipment is taken pictures using post-positioned pick-up head When, by the setting with screen device and display screen, enable dollying equipment shooting picture real-time Transmission to joystick Display screen is shown, shows on the viewing dollying device screen for making photographer closer to distance and becoming apparent from and shoot feelings Condition, is that the user taken pictures using expansion link is brought convenience, and increases the experience of user.

Description of the drawings

Fig. 1 is the front view of the self-shooting bar that this utility model embodiment is provided；

Fig. 2 is the axonometric chart of the joystick that this utility model embodiment is provided；

Fig. 3 is the three-dimensional exploded view of the joystick that this utility model embodiment is provided；

Fig. 4 is the three-dimensional exploded view of the multiple-segment telescopic tube that this utility model embodiment is provided；

Fig. 5 is the axonometric chart of the bottom that this utility model embodiment is provided.

Label involved by above-mentioned accompanying drawing is detailed as follows：

Specific embodiment

In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only to explain This utility model, is not used to limit this utility model.

It should be noted that when element is referred to as on " being fixed on " or " being arranged at " another element, it can directly exist On another element or it may be indirectly secured to or be arranged on another element by third member.When an element quilt Another element referred to as " is connected to ", it can be directly to another element or it may be indirect by third member It is connected on another element.

Also, it should be noted that the orientation term such as left and right, upper and lower in the present embodiment, be only each other relative concept or Normal operating condition with product is reference, and be should not be regarded as restrictive.

Please refer to Fig. 1 to Fig. 3, this utility model provides the expansion link that a kind of utilization post-positioned pick-up head is taken pictures, with shifting Dynamic picture pick-up device is used cooperatively, including joystick 2 and top are connected with dollying equipment and bottom connects with joystick 2 The multiple-segment telescopic tube 1 for connecing, joystick 2 includes the housing 10 with atrium, the display screen 20 being arranged on housing 10, is used for The same screen device 30 of control display screen 20 and dollying equipment simultaneous display, for control display screen 20 and with the screen work of device 30 Control assembly and be battery 40 with screen device 30, the power supply of display screen 20, the bottom port 3 of multiple-segment telescopic tube 1 is connected to opening At the opening in chamber, with screen device 30 and battery 40 opening intracavity is arranged at, display screen 20 and dollying equipment respectively with together The signal connection of screen device 30.

In the present embodiment, arrange with screen device 30 in opening intracavity, display, dollying equipment are set on the housing 10 It is connected with the same screen signal of device 30, is connected with the monitor signal for arranging on the housing 10 again with screen device 30, while battery 40 is distinguished It is to be powered with screen device 30 and display screen 20, when dollying equipment is taken pictures using post-positioned pick-up head, by same Screen device 30 and the setting of display screen 20, enable display of the dollying equipment shooting picture real-time Transmission to joystick 2 Shield 20 to be shown, on the viewing dollying device screen for making photographer closer to distance and becoming apparent from shooting situation shown, It is that the user taken pictures using expansion link is brought convenience, increases the experience of user.

Specifically, the battery 40 is lithium battery.

Specifically, described dollying equipment can be smart mobile phone, can also be other capture apparatus of camera etc.. In the present embodiment, dollying equipment is mobile phone, next will coordinate object as expansion link using mobile phone, but the expansion link is simultaneously Not only limit is applied to mobile phone, is flexibly suitable for.

Specifically, can carry out wired connection with mobile phone or wirelessly be connected with screen device 30, when using wireless connection, with screen device 30 are provided with signal receiving end, for receiving the signal that mobile phone sends；When using wired connection, lead between mobile phone and same screen device 30 Holding wire connection is crossed, the plug being connected with mobile phone can be configured according to mobile phone variety classes, different model.

Specifically, display screen 20 can be LCD display either LED display or OLED display screen.

Specifically, the projection insertion pipe 14 at the opening of atrium of housing 10, the bottom port 3 of multiple-segment telescopic tube 1 is fixed It is set on insertion pipe 14.

Please refer to Fig. 1 to Fig. 3, further, control assembly includes circuit board 51, control display screen 20 with same screen device The same screen switch 52 of 30 signals connection/disconnect, and the display switch 53 that control display screen 20 is power on/off, with screen device 30 with And display screen 20 is all electrically connected with circuit board 51, circuit board 51 is electrically connected with battery 40.

Specifically, housing 10 opens up same screen perforation 11 with screen switch 52 is corresponding, and housing 10 is relative with display switch 53 Display perforation 12 should be opened up, with switch 52 is shielded from passing with screen perforation 11, display switch 53 is passed from display perforation 12, is easy to make User operates.

Specifically, it is connected with the signal of circuit board 51 with screen switch 52, display switch 53 is electrically connected with circuit board 51.

Specifically, also include that the Android being connected with the mobile phone signal with android system is same with screen device 30 and shield chip And/or the IOS that is connected with the mobile phone signal with IOS systems is with shielding chip, Android with screen chip or IOS with screen chip with The signal of display screen 20 connects.

Specifically, when opening intracavity can only arrange Android with screen chip, corresponding mobile phone is then used Android system, the mobile phone is connected with Android with screen chip signal, and display screen 20 connects with Android with screen chip signal Connect, the signal that Android is passed with the screen mobile phone that receives of chip, through Android with screen chip process be sent to it is aobvious Display screen 20, realizes display screen 20 and mobile phone simultaneous display；

Or IOS is only set with chip is shielded, corresponding mobile phone then uses IOS systems, and the mobile phone is with IOS with screen Chip signal connects, and display screen 20 is connected with IOS with screen chip signal, the letter that IOS is passed with the mobile phone that screen chip is received Number, process with screen chip through IOS and be sent to display screen 20, realize display screen 20 and mobile phone simultaneous display；

Or while arrange Android shields chip, the difference of shooting mobile phone system, using with frequency with screen chip is same with IOS Switch carries out corresponding chip switching connection.

Fig. 3 is referred to, further, storage chip 511 is provided with circuit board 51, storage chip 511 is wired with mobile phone Or wireless connection, when the memory space inadequate of mobile phone, the photo that mobile phone shoots can be passed to storage chip 511 and be stored.

Please refer to Fig. 1 to Fig. 3, further, the lateral wall of housing 10 is to atrium sunken inside mounting groove 13, display screen 20 are rotationally connected with the side of mounting groove 13, and display screen 20 towards the bottom of housing 10 by pivot structure 50, to realize showing The installation of screen 20.

Specifically, mounting groove 13 opens up a groove 131 in the side wall faced with pivot structure 50, the groove 131 Cross section is in arc-shaped, for having turned during display screen 20, is easy to finger to insert, and makes display screen 20 open more convenient.

Specifically, display screen 20 can be located along the same line with mobile phone；Certainly the clamping device of clamping mobile phone can be improved and propped up Support height, it is to avoid interfere with display screen 20 when mobile phone camera is taken pictures；Display screen 20 can also be relatively located at and mobile phone Adjacent side, is easy to viewing, it is to avoid interfere with mobile phone camera, affects effect of taking pictures.

Alternatively, the opening intracavity of housing 10 is provided with plug socket, and plug socket is connected with the same screen signal of device 30, and and battery 40 are electrically connected with, and pass settings from opening cavity wall, the bottom of display screen 20 be provided with insert plug socket be electrically connected with And the plug of signal connection, the set-up mode of the display screen 20 improves the motility of expansion link.

Alternatively, display screen 20 can be rotated around fixed position, be easy to photographer's adjustment proper angle to be checked.

Please refer to Fig. 1 to Fig. 5, further, expansion link includes the top of the top port 4 located at multiple-segment telescopic tube 1 The bottom plug 70 of portion's plug 60 and the bottom port 3 located at multiple-segment telescopic tube 1, bottom plug 70 is offered and is communicated to more piece The intraluminal pore 71 of telescoping tube 1；

Joystick 2 also includes the air pump 80 with breather 81, is inflated/is evacuated/release for controlling air pump 80 Control device, air pump 80 is arranged at opening intracavity, and is electrically connected with battery 40, and pore 71 connects with the breather 81 of air pump 80 It is logical.

In the present embodiment, control device is connected between bottom plug 70 and air pump 80, with the breather on air pump 80 81 are docked, and switching control air pump 80 is inflated or is evacuated work, with timed unit and the pore of bottom plug 70 71 docking, when control device is switched to inflation, control device controls air pump 80 and is inflated simultaneously, multiple-segment telescopic tube 1 due to Air pressure is promoted, and is gradually extended；When control device is switched to pumping, control device controls air pump 80 and is evacuated simultaneously, due to Air pump 80 is evacuated so that the air pressure in multiple-segment telescopic tube 1 is less than ambient pressure, is promoted by ambient pressure, and multiple-segment telescopic tube 1 is received Contracting is together.Therefore, it is connected between multiple-segment telescopic tube 1 and air pump 80 by control device, and controls air pump 80 and started, is realized The automatic telescopic of multiple-segment telescopic tube 1, is that user brings convenience without the need for manually carrying out stretching/withdrawing, and improves the experience property of user.

Specifically, control device includes the air pump switch 82 that control air pump 80 starts, and corresponding housing 10 is opened up and air pump 82 corresponding air pump switch holes 19 are switched, air pump switch 82 is passed from air pump switch hole 19.

More specifically, long-time presses air pump switch 82, then air pump 80 is inflated；Press air pump switch 82 for a long time again, then air pump 80 release；Short time presses air pump switch 82, then air pump 80 is evacuated；Press air pump switch 82 for a long time again, then the pumping of air pump 80 is released.

The top port 4 of multiple-segment telescopic tube 1 plugs top plug 60, and top plug 60 includes being inserted in top port 4 First Plug Division 61, the first sealing ring 62 being sheathed on the first Plug Division 61 and it is exposed to consolidating for the top of multiple-segment telescopic tube 1 Reservation 63, fixed seat 63 is used to be connected and clamps the clamping device of mobile phone, and the first sealing ring 62 is squeezed in the first Plug Division 61 Side wall and the inside pipe wall of multiple-segment telescopic tube 1 between, to realize that the top port 4 of multiple-segment telescopic tube 1 is sealed, wherein, fixed seat 63 are locked to the outside of top port 4.

Specifically, the side wall of the first Plug Division 61 opens up first annular groove 64, and the first sealing ring 62 is arranged and is locked to In one cannelure 64, for carrying out axial limiting to the first sealing ring 62.

Specifically, the top of multiple-segment telescopic tube 1 is fixed on the first Plug Division 61 by connector, it is to avoid air pump 80 inflate or During pumping, because the promotion of air pressure inside makes top plug 60 produce movement, in the present embodiment, the head tube of multiple-segment telescopic tube 1 Wall is fixed on the first Plug Division 61 by connector, and the connector can be screw, but not limited to this are flexibly chosen.

The bottom port 3 of multiple-segment telescopic tube 1 plugs bottom plug 70, and bottom plug 70 includes being inserted in insertion pipe 14 Second Plug Division 72, the 3rd Plug Division 73 being locked to outside the mouth of pipe of insertion pipe 14 and be sheathed on the 3rd Plug Division 73 Two sealing rings 74, the second sealing ring 74 is squeezed between the inside pipe wall of the lateral wall of the 3rd Plug Division 73 and the bottom of multiple-segment telescopic tube 1, To realize that the bottom port 3 of multiple-segment telescopic tube 1 is sealed.

Specifically, the lateral wall of the 3rd Plug Division 73 opens up the second cannelure 75, and the second sealing ring 74 is arranged and is locked to In second cannelure 75, for carrying out axial limiting to the second sealing ring 74.

Specifically, the internal wall of pipe orifice of insertion pipe 14 opens up annular boss 141, and the annular boss 141 is connected with atrium, and Projection ring-type fixture block 721 corresponding with annular boss 141 on the outer wall of second Plug Division 72, it is convex that ring-type fixture block 721 is locked to ring-type On platform 141, for avoiding bottom plug 70 from moving along the prolonging direction of multiple-segment telescopic tube 1, the 3rd Plug Division 73 is locked to insertion pipe Outside 14 mouth of pipe, for preventing bottom plug 70 from withdrawing direction movement along multiple-segment telescopic tube 1.

Specifically, it is fixed by connector connection between insertion pipe 14 and multiple-segment telescopic tube 1, i.e. multiple-segment telescopic tube 1 Bottom tube wall is fixed on the tube wall of insertion pipe 14 by connector, and in the present embodiment, the top tube wall of multiple-segment telescopic tube 1 passes through Connector is fixed on the first Plug Division 61, and the chaining part can be screw, but not limited to this are flexibly chosen.

Housing 10 includes the first housing 15 and the second housing 16, and air pump 80, battery 40 and control device are all arranged in In first housing 15, it is arranged in the second housing 16 with screen device 30 and control assembly, the second housing 16 is fastened on the first housing On 15, the first housing 15 surrounds to form atrium together with the second housing 16, and the first housing 15 and the second housing 16 are fastened and arranged It is easy to installation, the fixation of air pump 80, battery 40, same screen device 30, control assembly and control device, while also allowing for bottom plug 70 engage and are installed in insertion pipe 14, it is to avoid the play vertically of bottom plug 70.

Specifically, housing 10 includes bottom 17, and bottom 17 is placed on the bottom of the first housing 15 and the second housing 16.

Specifically, joystick 2 also includes the charging assembly 120 charged for battery 40, and charging assembly 120 includes cradle 1201, the charging hole 171 passed for cradle 1201 on bottom 17, cradle 1201 can be electrically connected with circuit board 51, and In the present embodiment, charging assembly 120 also includes pcb board 1202, and pcb board 1202 is electrically connected with circuit board 51, also may be used certainly To be directly electrically connected with battery 40, cradle 1201 is electrically connected with pcb board 1202.

Further, charging assembly 120 also includes the USB socket 1203 for extraneous electrical equipment charging or data transfer, USB socket 1203 passes setting from the side wall of housing 10.In the present embodiment, USB socket 1203 is electrically connected with pcb board 1202 Connect, bottom 17 opens up the USB receptacle 172 passed for USB socket 1203, USB socket 1203 and cradle 1201 are placed in pcb board In 1202 liang of relative plate faces.

Joystick 2 also includes showing the display module 130 of the electricity of battery 40 that display module 130 includes multiple luminous sources And the multiple transparent light guide posts 1301 faced respectively with multiple luminous sources, the post of multiple transparent light guide 1301 is fixed on atrium Interior and pass setting from bottom 17, bottom 17 is offered and passes light-conductive hole 173 for light-guiding pillar 1301, and pcb board 1202 is L-shaped, fills Electric seat 1201 is arranged on one sheet with USB socket 1203, and multiple luminous sources are arranged on another plate.

Joystick 2 also includes light fixture 140, and light fixture 140 includes the LED 1401 electrically connected with battery 40, Lamp hole 174 is opened up on bottom 17, LED 1401 passes setting from lamp hole 174.

Refer to Fig. 3, further, control at the breather 81 that control device includes located at air pump 80 air pump 80 inflate/ The air valve of pumping.

Please refer to Fig. 1 to Fig. 5, further, control device includes the connecting tube of connection pore 71 and breather 81 100。

Multiple-segment telescopic tube 1 includes multiple socket bodys 110 successively, and multigroup coupling assembly 90, arbitrary adjacent two body By one group of coupling assembly connection 90 between 110, coupling assembly 90 includes at least two sealing rings 91, and from a body 110 The connection plug 92 of another body 110 is extended to, it is close that the end that connection plug 92 is inserted in a body 110 is arranged at least one Seal 91, the end that connection plug 92 is inserted in another body 110 is arranged at least one sealing ring 91, and connection plug 92 is opened up So that the passage 93 being interconnected between the tube chamber of two bodys 110.In the present embodiment, connection plug is made by sealing ring 91 92 are hermetically connected between adjacent two body 110, and the quantity of body 110 is three, flexibly choose the quantity of body 110.

Specifically, in adjacent two body 110, a body 110 inserts another body 110, wherein insertion port is by connection Part is fixed on the lateral wall of connection plug 92, it is to avoid the body 110 of insertion is disconnected component by gas pressure.

Each connection plug 92 is in tapered, and both ends open up respectively cannelure 94, and sealing ring 91 is fastened in cannelure 94, To carry out axial limiting to sealing ring 91.

Specifically, the relatively large one end of the cross-sectional area of connection plug 92 is inserted in the first body 110, it is to avoid coupling assembly 90 are departed from the first body 110 by gas pressure.

This utility model also provides a kind of self-shooting bar, and self-shooting bar includes expansion link as above and carries out for controlling mobile phone The component of taking pictures taken pictures.

Please refer to Fig. 1 to 3, further, component of taking pictures includes take pictures button 150 and Bluetooth chip 160, bluetooth Bluetooth connection between chip 160 and mobile phone.

In the present embodiment, on circuit board 51, button 150 of taking pictures is electrically connected with Bluetooth chip 160 with circuit board 51, The side wall of housing 10 opens up the button hole 18 passed for button of taking pictures, and according to human engineering, component of taking pictures is arranged at finger just In the position of pressing.

Specifically, the Bluetooth chip 160 can be used between storage chip 511 and mobile phone carrying out being wirelessly transferred file.

Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit this utility model Any modification, equivalent and improvement made within new spirit and principle etc., should be included in guarantor of the present utility model Within the scope of shield.

Claims

1. the expansion link that a kind of utilization post-positioned pick-up head is taken pictures, uses cooperatively with dollying equipment, including joystick and The multiple-segment telescopic tube that top is connected with the dollying equipment and bottom is connected with the joystick, it is characterised in that institute State joystick include the housing with atrium, the display screen being arranged on the housing, for control the display screen with The same screen device of the dollying equipment simultaneous display, the control assembly for controlling the display screen and the same screen device work And for described with the battery for shielding device, the display screen is powered, the bottom port of the multiple-segment telescopic tube is connected to the opening At the opening in chamber, described to be arranged at the opening intracavity with screen device and the battery, the display screen and the movement are taken the photograph As equipment is connected respectively with described with screen device signal.

2. the expansion link taken pictures using post-positioned pick-up head as claimed in claim 1, it is characterised in that the control assembly includes Circuit board, the control display screen and the same screen for being connected/disconnecting with screen device signal are switched, and the control display screen is logical The display switch of power off, described all to electrically connect with the circuit board with screen device and the display screen, the circuit board and institute State battery electrical connection.

3. the expansion link taken pictures using post-positioned pick-up head as claimed in claim 2, it is characterised in that arrange on the circuit board There are storage chip, the storage chip and the wired or wireless connection of the dollying equipment.

4. the expansion link taken pictures using post-positioned pick-up head as claimed in claim 1, it is characterised in that the hull outside wall to The atrium sunken inside mounting groove, the display screen is rotationally connected with the mounting groove side by pivot structure, and described Bottom of the display surface of display screen towards the housing.

5. the expansion link taken pictures using post-positioned pick-up head as claimed in claim 1, it is characterised in that the atrium of the housing Plug socket is inside provided with, the plug socket is connected with described with screen device signal, and is electrically connected with the battery, and opens from described Oral cavity wall passes setting, and the display screen bottom is provided with the insertion plug socket and is electrically connected with and signal connection Plug.

6. the expansion link taken pictures using post-positioned pick-up head as claimed in claim 1, it is characterised in that the expansion link includes setting In the top plug and the bottom plug located at the multiple-segment telescopic tube bottom port of the multiple-segment telescopic tube top port, institute State bottom plug and offer the intraluminal pore for being communicated to the multiple-segment telescopic tube；

The joystick also includes the air pump with breather, for controlling the control that the air pump is inflated/is evacuated/releases Device processed, the air pump is arranged at the opening intracavity, and is electrically connected with the battery, and the pore is logical with the air pump The tube chamber connection of trachea.

7. the expansion link taken pictures using post-positioned pick-up head as claimed in claim 6, it is characterised in that the control device includes The air valve of the air-pump inflating/pumping is controlled at the breather of the air pump.

8. the expansion link taken pictures using post-positioned pick-up head as claimed in claim 6, it is characterised in that the control device includes Connect the connecting tube of the pore and the breather.

9. a kind of self-shooting bar, it is characterised in that the self-shooting bar includes the expansion link as any one of claim 1 to 8 And for controlling the component of taking pictures that the dollying equipment is taken pictures.

10. self-shooting bar as claimed in claim 9, it is characterised in that the component of taking pictures includes take pictures button and bluetooth core Piece, bluetooth connection between the Bluetooth chip and the dollying equipment.