CN102913523B - Rapid telescopic support device for photography and advertisement industry - Google Patents
Rapid telescopic support device for photography and advertisement industry Download PDFInfo
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- CN102913523B CN102913523B CN201210362474.1A CN201210362474A CN102913523B CN 102913523 B CN102913523 B CN 102913523B CN 201210362474 A CN201210362474 A CN 201210362474A CN 102913523 B CN102913523 B CN 102913523B
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Abstract
The invention discloses a rapid telescopic support device for photography and advertisement industry. The rapid telescopic support device comprises an inner tube, a middle tube and an outer tube which are sequentially sleeved together in a mutual telescopic manner, wherein the top part of the middle tube penetrates through a driving belt; one end of the driving belt is arranged between the outer tube and the middle tube and is fixed at the lower end part of the outer tube; the other end of the driving belt is arranged between the middle tube and the inner tube and is fixed at the upper end part of the inner tube; the outer tube and the inner tube form a linkage connection state relative to the middle tube through the driving belt; and a locking device for locking the middle tube and the inner tube so as to lock the inner tube, the middle tube and the outer tube is arranged on the middle tube. The middle tube comprises a middle tube body and a pulley device which is fixed at the upper end of the middle tube body through a fixing pin, wherein the driving belt is wound on the pulley device. With the adoption of the support device, the defects that the existing support device is slow in telescopic speed and inconvenient in use are solved; the function that two tubes are synchronously drawn and withdrawn relative to the third tube is realized, so that the telescopic speed is directly doubled, time is saved for people, and the use is more convenient and rapid.
Description
Technical field
The present invention relates to telescopic support device, specifically a kind of quick-expansion support device that is mainly used in photography and advertising sector.
Background technique
In photography, we often can see the supporting frame for supporting main equipment the industries such as advertisement, such as telescopic tripod, microphone holder, or more multiclass is like the mutation of shrinking structure, but structural principle is nested successively nothing more than three pipes, then the flexible form of pull, the support certainly with Telescopic has a variety of, shrinking structure like retractable door, what but we will say now is the telescopic support device being mainly used in photography and advertising sector, in the industry, meet slim and graceful, portable, after contracting, volume is little, firm stable, wear-resisting, the resistance to feature such as fall, so three to manage the shrinking structure being nested be successively first-selected, meet the thing that These characteristics neither be very difficult, but the support device of this class formation still rests in flexible step by step technology at present, in the time adjusting equipment, will spend the more time, so how to allow more quickly and effectively flexible of telescopic support device be the problem that next we will solve.
In the prior art, know application number: 200920265625.5, the applying date: 2009-12-25, publication number: 201731245U, open day: the Chinese patent of 2011-02-02 discloses a kind of portable tripod that can quick-expansion, formed by telescopic main post and three telescopic supporting foots, on mobile jib, be provided with internal-expansion type ball-shaped cloud platform and the rapid pipe joint of internal-expansion type camera; The upper end of three supporting foots is connected to a collar slidably on the connecting base of inner conical switch type, and this connecting base can slide on the pipe of mobile jib lower end; On all flexible rods, be all provided with positioning hole and elastic positioning pin; On three supporting foots, be also respectively equipped with slidably inner conical switch of a collar; On tripod, also connect a package bag or packing box; In use, open compact is taken out tripod, pulls out respectively mobile jib and three supporting foots, and elastic positioning pin is located automatically, after pinching internal-expansion type camera rapid pipe joint alignment cameras fixing threaded hole, decontrols hand, fixed camera fast; By pinching internal-expansion type ball-shaped cloud platform capable of regulating camera shooting angle; In the time will packing up tripod, by pinch rapid pipe joint can fast fetching under camera, press elastic positioning pin, can fast retractile flexible rod.
Above open source literature, be known as and can return fast flexible rod, but in fact do not reach required object, be only to provide the locking device between tube and tube, can operate fast, make pipe flexible step by step, so still do not solve step by step the flexible slow defect of stretching speed of bringing, on this basis, be under static state if also need to develop a kind of middle pipe, outer tube and inner tube are carried out flexible support device simultaneously, and so flexible efficiency directly promotes twice.
In view of this, for the problems referred to above, propose a kind of reasonable in design and effectively improve above-mentioned disappearance for photographing and the quick-expansion support device of advertising sector.
Summary of the invention
The object of the present invention is to provide a kind of for photographing and the quick-expansion support device of advertising sector, solved current support device stretching speed slow, use inconvenient defect, the present invention has realized two pipes and has managed with respect to the 3rd the function that stretches simultaneously and bounce back, make stretching speed directly improve twice, allow people save the time, it is more convenient to use.
In order to reach above-mentioned purpose, the present invention has adopted following technological scheme, a kind of for photographing and the quick-expansion support device of advertising sector, comprise the inner tube, middle pipe, the outer tube that are nested together successively and can be mutually flexible, described middle pipe top is through a driving belt, driving belt wherein one end portion is arranged in and between outer tube and pipe, is then fixed on outer tube underpart, then the other end is fixed on inner tube upper end portion between middle pipe and inner tube, and described outer tube and inner tube form with respect to middle pipe the state that is connected by driving belt; On described middle pipe, be provided with pipe and inner tube and then the interior locking device of three pipes at home and abroad of locking in locking; Described middle pipe comprises middle tube body, is fixed on the pulley gear of middle tube body upper end by Fixed latches, and described driving belt is around on pulley gear.
Described pulley gear comprises left and right two shells that mutually snap together by retaining screw, two enclosure after fastening are provided with the pulley being enclosed within on pulley spindle, be positioned on left and right two shells of pulley circumference bi-side and offer respectively half round platform breach and strip hole, described driving belt after being around on pulley wherein one end be fixed on outer tube underpart through strip hole, the other end is fixed on the upper end portion of inner tube through half round platform breach.
Described outer tube comprises outer tube body, outer tube driving belt fixed block, described inner tube comprises interior tube body, inner tube driving belt fixed block, described driving belt wherein one end is fixed on outer tube body underpart by outer tube driving belt fixed block, and the described driving belt the other end is fixed on interior tube body upper end portion by inner tube driving belt fixed block.
The described outer tube body end outside that is fixed with driving belt is arranged with cap bag, and described interior tube body underpart button is provided with rubber pad.
Two relative socket caps are set on described outer tube driving belt fixed block and are inserted in the circular hole of offering on outer tube body and be fixed on outer tube body interior by two socket caps, described driving belt end also perforate is fixed on two socket caps of outer tube driving belt fixed block between tube body and middle tube body outside; Described inner tube driving belt fixed block is arranged on interior tube body upper end by Fixed latches, and driving belt end is fixed on boss one side that inner tube driving belt fixed block offers by retaining screw.
Between described outer tube body and middle tube body, be provided with the rotation prevention structure that prevents the two rotation, this rotation prevention structure is longitudinal fin of middle tube body outer wall setting and the longitudinal fluting of outer tube inner body wall setting that cooperatively interacts and connect.
Described middle tube body inside is provided with longitudinal two relative gear ribs, forms and be used for leading and the gear rib groove of positioning transmission band between two gear ribs and middle tube body inwall; Boss one side that described inner tube driving belt fixed block is offered is fastened in gear rib groove and is used for forbidding the rotation between middle tube body and interior tube body.
Described driving belt is metal driving belt or plastics driving belt or rubber transmission belting.
Described locking device is screw-threaded coupling device, and described screw-threaded coupling device comprises that outside screws body and interior tapered locking body, and outside screws body and is threaded connection on middle pipe, and interior tapered locking body is enclosed within inner tube peripheral wall periphery.
Described locking device is spring button locking device, described spring button locking device comprises the button cover that is fixed on middle pipe, is hinged on by button fixing pin the peg button that button puts at middle part, this peg button is wherein provided with return button spring between bottom surface, one end and button cover, the other end is provided with the socket cap of location use, is provided with the multiple and described socket cap fixing positioning hole that matches in described inner tube.
Described locking device is spring button locking device, described spring button locking device comprises the button cover that is fixed on middle pipe, is hinged on by button fixing pin the peg button that button puts at middle part, this peg button is wherein provided with return button spring between bottom surface, one end and button cover, the other end is provided with the dentation structure of location use, is provided with the longitudinal tooth bar that matches with described dentation structure and fix in described inner tube.
Described tooth bar is the dentation fixed strip of inlaying on inner pipe, offers on inner pipe embedding groove, and dentation fixed strip is installed in groove.
Compared to prior art, the present invention has following beneficial effect, the present invention is with respect to middle tube body, between the bottom of tube body and the upper end of interior tube body, connect outside and there is the driving belt of linkage simultaneously, driving belt is around on the pulley of middle tube body upper end, more light and smooth when flexible, increase ease for use, driving belt is connecting when inner and outer pipes all by special driving belt fixed block, make to connect more reliable, be convenient to assembling, the inner and outer pipes that driving belt drives two ends to connect is realized simultaneous retractable motor function, flexible efficiency of the present invention is improved greatly, stretching speed is higher than 2 times of prior art, and reliable stable.Between three pipes, be provided with rotation prevention structure, and be provided with the gear rib groove of driving belt location and guiding use, make the driving belt fault that there will not be in service.In addition, locking device has adopted various ways, for the present invention, provides three kinds of modes, but is not limited to this three kinds of modes, all has feature separately, and people can carry out different selections according to actual conditions.
Brief description of the drawings
Fig. 1 is that the present invention is a kind of for photographing and the first embodiment's of the quick-expansion support device of advertising sector structure general assembly schematic diagram;
Fig. 2 is that the present invention is a kind of for photographing and the first embodiment's of the quick-expansion support device of advertising sector STRUCTURE DECOMPOSITION schematic diagram;
Fig. 3 is the STRUCTURE DECOMPOSITION figure of Fig. 2 middle external tube;
Fig. 4 is the cross-sectional view of Fig. 3;
Fig. 5 is the section of structure of Fig. 2 middle external tube;
Fig. 6 is outer tube driving belt fixed block and the cap bag cross-sectional view while being arranged on outer tube end;
Fig. 7 is outer tube driving belt fixed block and the cap bag sectional block diagram while being arranged on outer tube end;
Fig. 8 is the sectional drawing of cap bag;
Fig. 9 is the STRUCTURE DECOMPOSITION figure of the middle pipe in Fig. 2;
Figure 10 is the cross-sectional view of Fig. 9;
Figure 11 is the STRUCTURE DECOMPOSITION figure of pulley gear;
Figure 12 is the structure enlarged diagram of driving belt at middle pipe interior trough;
Figure 13 is the section of structure of the middle pipe in Fig. 2;
Figure 14 is the STRUCTURE DECOMPOSITION figure of the inner tube in Fig. 2;
Figure 15 is the section of structure of the inner tube in Fig. 2;
Figure 16 is inner tube driving belt fixed block sectional view;
Figure 17 is the sectional view after inner tube driving belt fixed block and middle pipe are nested;
Figure 18 is the stereogram after inner tube driving belt fixed block and driving belt fix;
Figure 19 is that the present invention is a kind of for photographing and the first embodiment's contracting of the quick-expansion support device of advertising sector section of structure after closing;
Figure 20 is that the present invention is a kind of for photographing and the first embodiment of the quick-expansion support device of advertising sector section of structure after stretching;
Figure 21 is that the present invention is a kind of for photographing and the first embodiment of the quick-expansion support device of advertising sector is stretched to the part-structure sectional drawing of limit position;
Figure 22 is that the present invention is a kind of for photographing and the first embodiment of the quick-expansion support device of advertising sector is applied in the application drawing in photographic tripod;
Figure 23 is that the present invention is a kind of for photographing and the second embodiment's of the quick-expansion support device of advertising sector structure general assembly schematic diagram;
Figure 24 is that the present invention is a kind of for photographing and the second embodiment's of the quick-expansion support device of advertising sector STRUCTURE DECOMPOSITION schematic diagram;
Figure 25 is the STRUCTURE DECOMPOSITION figure of the middle pipe in Figure 24;
Figure 26 is the STRUCTURE DECOMPOSITION figure that coordinates the spring button locking device of jack;
Figure 27 is the sectional drawing of the button cover of Figure 26;
Figure 28 is the structural representation of the locking button of Figure 26;
Figure 29 is the STRUCTURE DECOMPOSITION figure of the inner tube in Figure 24;
Figure 30 is that the present invention is a kind of for photographing and the second embodiment contracting of the quick-expansion support device of advertising sector section of structure after closing;
Figure 31 is that the present invention is a kind of for photographing and the second embodiment of the quick-expansion support device of advertising sector section of structure after stretching;
Figure 32 is that the present invention is a kind of for photographing and the second embodiment of the quick-expansion support device of advertising sector is stretched to the part-structure sectional drawing of limit position;
Figure 33 is that the present invention is a kind of for photographing and the second embodiment of the quick-expansion support device of advertising sector is applied in the application drawing in photographic tripod;
Figure 34 is that the present invention is a kind of for photographing and the third embodiment's of the quick-expansion support device of advertising sector structure general assembly schematic diagram;
Figure 35 is that the present invention is a kind of for photographing and the third embodiment's of the quick-expansion support device of advertising sector STRUCTURE DECOMPOSITION schematic diagram;
Figure 36 is the STRUCTURE DECOMPOSITION figure of the middle pipe in Figure 35;
Figure 37 is the STRUCTURE DECOMPOSITION figure that coordinates the spring button locking device of tooth bar;
Figure 38 is the sectional drawing of the button cover of Figure 37;
Figure 39 is the STRUCTURE DECOMPOSITION figure of the inner tube in Figure 35;
Figure 40 is Figure 39 cross-sectional view;
Figure 41 is that the present invention is a kind of for photographing and the third embodiment of the quick-expansion support device of advertising sector section of structure after stretching;
Figure 42 is that the present invention is a kind of for photographing and the third embodiment of the quick-expansion support device of advertising sector is stretched to the part-structure sectional drawing of limit position.
Embodiment
Relevant detailed description of the present invention and technology contents, coordinate brief description of the drawings as follows, but accompanying drawing only provides the use of reference with explanation, is not used for the present invention to be limited.
Embodiment 1:
Shown in Fig. 1 and Fig. 2, a kind of for photographing and the quick-expansion support device of advertising sector, comprise the inner tube 3, middle pipe 2 and the outer tube 1 that are nested successively, after the pulley gear that wherein driving belt 4 arranges through middle pipe top, a termination is inner tube 3 upper end portions that A end is fixed on middle pipe inside, driving belt 4 the other ends are that B holds in middle pipe external stability at outer tube 1 inwall place, underpart, like this, pipe is relatively static in the situation that, and outer tube and inner tube, by the connection for transmission of driving belt, realize simultaneous retractable function.
Shown in Fig. 3 and Fig. 4, outer tube 1 comprises outer tube body 1-1, outer tube driving belt fixed block 1-2, cap bag 1-3, outer tube wall has two location rib (effect of location rib is to prevent middle pipe rotation), outer tube driving belt fixed block 1-2 surface has two positioning grooves, matches with two fins of outer tube inner tube wall.Outer tube body 1-1 bottom peripheral wall is offered two relative circular holes, outer tube driving belt fixed block surface arranges two socket caps, can find out by Fig. 5, Fig. 6, Fig. 7, Fig. 8, outer tube driving belt fixed block is fixed on by the socket cap of self in the circular hole of outer tube body, after fixing, overall outer is overlapped upper cover nut 1-3 again, and object is covered outer tube body tube bottom circular hole.The B of driving belt end is also offered circle hole sleeve on the socket cap of fixed block in addition, is sandwiched between outer tube wall and fixed block inwall.
Shown in Fig. 9 and Figure 10, Figure 11, middle pipe 2 comprises the pulley gear 2-2 at middle tube body 2-1, top, middle tube body bottom arranges screw-threaded coupling device 2-4, wherein pulley gear comprises the left and right two shell 2-2-1, the 2-2-2 that are interlocked by retaining screw 2-2-5, after fastening, inside is placed in the pulley 2-2-3 on pulley spindle 2-2-4, offer respectively strip hole and the half round cut of being convenient to driving belt turnover at two shells that are interlocked of pulley excircle both sides, pulley gear is fixed on middle tube body upper end by Fixed latches 2-3.Shown in Figure 12, be provided for the gear rib of driving belt guiding and location at the corresponding half round cut of middle inner tube wall place, gear rib and middle inner tube wall form gear rib groove, shown in Figure 13, the driving belt A end of walking around pulley is fixed on inner tube upper end through half round cut and gear rib groove, and B end is fixed on outer tube lower end after strip hole runs between outer tube body and middle tube body.Being enclosed within the screw-threaded coupling device of middle tube body bottom inner is tapered configuration, by upwards screwing, interior through dwindling gradually until firmly clamp inner tube, realize inner tube and middle pipe maintains static, due to connection for transmission band between inner and outer tubes, outer tube also can be firmly motionless, realized the quick locking of three pipes.
Figure 14 and Figure 15, Figure 16, Figure 17, shown in Figure 18, inner tube 3 comprises interior tube body 3-1, inner tube driving belt fixed block 3-2, rubber pad 3-5, inner tube driving belt fixed block is fixed on interior tube body upper end by Fixed latches 3-4 and forms one, the A end of driving belt is fixed in the screw hole that inner tube driving belt fixed block 3-2 offers by retaining screw 3-3, inner tube driving belt fixed block 3-2 mono-side is boss-shaped, screw hole is opened in boss side surfaces, when entirety is enclosed within middle pipe inside simultaneously, the corresponding boss side surfaces of middle tube body inwall sticks into gear rib groove inside, prevent the relative rotation of middle pipe and inner tube.In the bottom of interior tube body, button is established rubber pad.
Shown in Figure 19, after retraction, driving belt A end retracts outer tube body during downwards, driving belt B end drives interior tube body upwards to bounce back simultaneously, retraction when having realized two pipes, working efficiency improves, shown in Figure 20, after stretching, driving belt A holds in the time upwards stretching outer tube body, the interior tube body of driving belt B end drive pulls down and stretches simultaneously, when having realized two pipes, stretch, working efficiency improves, shown in Figure 21, no matter be to stretch or retraction, in the time that the contradiction limit position that makes inner tube driving belt fixed block and outer tube driving belt fixed block reach pulley cannot continue to stretch, the screw-threaded coupling device that is fixed on middle tube body bottom by screwing makes the relative quick locking of three pipes.Figure 22 is that the present invention is applied in respectively on three pin pipes of photographic tripod, and using effect is obvious, and whole work efficiency can rise to three pin pipes and be multiplied by three multiplying power.
Embodiment 2:
The present embodiment and embodiment's 1 structural principle are basic identical, difference is locking device, coordinate different locking devices simultaneously, interior tube body also has different slightly, something in common just repeats no more, according to Figure 23 and Figure 24, see be fixed on middle tube body bottom for spring button locking device 2-5, and the interior tube body 5-1 of inner tube 5 is in order to lock device, offer multiple (figure indicating 10) positioning hole, according to Figure 25, Figure 26, shown in Figure 27, spring button locking device 2-5 comprises the button cover 2-5-1 that is enclosed within middle tube body bottom, be hinged on by button fixing pin 2-5-4 the peg button 2-5-2 that button puts, between one end of peg button and button cover, return button spring 2-5-3 is set, the other end is provided with socket cap, this socket cap is stuck in the positioning hole of offering in interior tube body peripheral wall, press spring one end of peg button, socket cap one end will be deviate from automatically in positioning hole, unclamp pressing of finger, return button spring is returned the cylinder crown in positioning hole automatically.Convenient to use.
Shown in Figure 30, first press spring button locking device, socket cap departs from positioning hole, when retraction, driving belt A end retracts outer tube body during downwards, driving belt B end drives interior tube body upwards to bounce back simultaneously, retraction when having realized two pipes, working efficiency improves, shown in Figure 31, when stretching, also need first to press spring button locking device, socket cap departs from positioning hole, driving belt A holds in the time upwards stretching outer tube body, the interior tube body of driving belt B end drive pulls down and stretches simultaneously, when having realized two pipes, stretch, working efficiency improves, shown in Figure 32, no matter be to stretch or retraction, in the time that the contradiction limit position that makes inner tube driving belt fixed block and outer tube driving belt fixed block reach pulley cannot continue to stretch, by unclamping the spring button locking device that is fixed on middle tube body bottom of just now pressing, socket cap is sticked in the positioning hole of needed length, make the relative quick locking of three pipes.Figure 33 is that the present invention is applied in respectively on three pin pipes of photographic tripod, and using effect is obvious, and whole work efficiency can rise to three pin pipes and be multiplied by three multiplying power.
Embodiment 3:
In like manner, the present embodiment is basic identical with above example structure principle, difference is to be also locking device, coordinate different locking devices simultaneously, interior tube body also has different slightly, something in common just repeats no more, according to Figure 34 and 35, shown in Figure 36, the locking device that is fixed on middle tube body bottom is also spring button locking device 2-5, the change of peg button as different from Example 2, according to Figure 37, Figure 38, Figure 39, shown in Figure 40, the peg button of the present embodiment is peg button 2-5-5, embodiment 2 peg button 2-5-2 is the socket cap of location use with respect to the other end setting of spring, and the other end of the relative spring of peg button 2-5-5 in the present embodiment offers dentation structure, and the interior tube body 6-1 external cylindrical surface of inner tube 6 is offered longitudinal fluting, in groove, be provided with dentation fixed strip 6-2, press spring one end of peg button 2-5-5, dentation structure one end will be thrown off automatically on dentation fixed strip 6-2, unclamp pressing of finger, return button spring is automatically pushed up back dentation structure on dentation fixed strip 6-2 and is blocked.Convenient to use.
Shown in Figure 41, first press spring button locking device, dentation structure departs from dentation fixed strip 6-2, when retraction, driving belt A end retracts outer tube body during downwards, driving belt B end drives interior tube body upwards to bounce back simultaneously, retraction when having realized two pipes, working efficiency improves, when stretching, also need first to press spring button locking device, dentation structure departs from dentation fixed strip 6-2, driving belt A holds in the time upwards stretching outer tube body, the interior tube body of driving belt B end drive pulls down and stretches simultaneously, when having realized two pipes, stretch, working efficiency improves, shown in Figure 42, no matter be to stretch or retraction, in the time that the contradiction limit position that makes inner tube driving belt fixed block and outer tube driving belt fixed block reach pulley cannot continue to stretch, by unclamping the spring button locking device that is fixed on middle tube body bottom of just now pressing, dentation structure is sticked on the dentation fixed strip 6-2 of needed length, make the relative quick locking of three pipes.
The foregoing is only preferred embodiment of the present invention, non-in order to limit the scope of the claims of the present invention, other use the equivalence of patent spirit of the present invention to change, and all should all belong to the scope of the claims of the present invention.
Claims (11)
1. one kind for photographing and the quick-expansion support device of advertising sector, comprise the inner tube, middle pipe, the outer tube that are nested together successively and can be mutually flexible, it is characterized in that, described middle pipe top is through a driving belt, driving belt wherein one end portion is arranged in and between outer tube and pipe, is then fixed on outer tube underpart, then the other end is fixed on inner tube upper end portion between middle pipe and inner tube, and described outer tube and inner tube form with respect to middle pipe the state that is connected by driving belt, on described middle pipe, be provided with pipe and inner tube and then the interior locking device of three pipes at home and abroad of locking in locking, described middle pipe comprises middle tube body, be fixed on the pulley gear of middle tube body upper end by Fixed latches, described driving belt is around on pulley gear, described pulley gear comprises left and right two shells that mutually snap together by retaining screw, two enclosure after fastening are provided with the pulley being enclosed within on pulley spindle, be positioned on left and right two shells of pulley circumference bi-side and offer respectively half round platform breach and strip hole, described driving belt after being around on pulley wherein one end be fixed on outer tube underpart through strip hole, the other end is fixed on the upper end portion of inner tube through half round platform breach.
2. according to claim 1 a kind of for photographing and the quick-expansion support device of advertising sector, it is characterized in that, described outer tube comprises outer tube body, outer tube driving belt fixed block, described inner tube comprises interior tube body, inner tube driving belt fixed block, described driving belt wherein one end is fixed on outer tube body underpart by outer tube driving belt fixed block, and the described driving belt the other end is fixed on interior tube body upper end portion by inner tube driving belt fixed block.
3. according to claim 2 a kind ofly it is characterized in that for photographing and the quick-expansion support device of advertising sector, described in be fixed with driving belt outer tube body end outside be arranged with cap bag, described interior tube body underpart button is provided with rubber pad.
4. according to claim 2 a kind of for photographing and the quick-expansion support device of advertising sector, it is characterized in that, two relative socket caps are set on described outer tube driving belt fixed block and are inserted in the circular hole of offering on outer tube body and be fixed on outer tube body interior by two socket caps, described driving belt end also perforate is fixed on two socket caps of outer tube driving belt fixed block between tube body and middle tube body outside; Described inner tube driving belt fixed block is arranged on interior tube body upper end by Fixed latches, and driving belt end is fixed on boss one side that inner tube driving belt fixed block offers by retaining screw.
5. according to claim 4 a kind of for photographing and the quick-expansion support device of advertising sector, it is characterized in that, between described outer tube body and middle tube body, be provided with the rotation prevention structure that prevents the two rotation, this rotation prevention structure is longitudinal fin of middle tube body outer wall setting and the longitudinal fluting of outer tube inner body wall setting that cooperatively interacts and connect.
6. according to claim 4 a kind of for photographing and the quick-expansion support device of advertising sector, it is characterized in that, described middle tube body inside is provided with longitudinal two relative gear ribs, forms and be used for leading and the gear rib groove of positioning transmission band between two gear ribs and middle tube body inwall; Boss one side that described inner tube driving belt fixed block is offered is fastened in gear rib groove and is used for forbidding the rotation between middle tube body and interior tube body.
7. according to claim 1 a kind ofly it is characterized in that for photographing and the quick-expansion support device of advertising sector, described driving belt is metal driving belt or plastics driving belt or rubber transmission belting.
8. according to claim 1 a kind of for photographing and the quick-expansion support device of advertising sector, it is characterized in that, described locking device is screw-threaded coupling device, described screw-threaded coupling device comprises that outside screws body and interior tapered locking body, outside screws body and is threaded connection on middle pipe, and interior tapered locking body is enclosed within inner tube peripheral wall periphery.
9. according to claim 1 a kind of for photographing and the quick-expansion support device of advertising sector, it is characterized in that, described locking device is spring button locking device, described spring button locking device comprises the button cover that is fixed on middle pipe, is hinged on by button fixing pin the peg button that button puts at middle part, this peg button is wherein provided with return button spring between bottom surface, one end and button cover, the other end is provided with the socket cap of location use, is provided with the multiple and described socket cap fixing positioning hole that matches in described inner tube.
10. according to claim 1 a kind of for photographing and the quick-expansion support device of advertising sector, it is characterized in that, described locking device is spring button locking device, described spring button locking device comprises the button cover that is fixed on middle pipe, is hinged on by button fixing pin the peg button that button puts at middle part, this peg button is wherein provided with return button spring between bottom surface, one end and button cover, the other end is provided with the dentation structure of location use, is provided with the longitudinal tooth bar that matches with described dentation structure and fix in described inner tube.
11. according to claim 10 a kind ofly it is characterized in that for photographing and the quick-expansion support device of advertising sector, described tooth bar is the dentation fixed strip of inlaying on inner pipe, offers on inner pipe embedding groove, and dentation fixed strip is installed in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210362474.1A CN102913523B (en) | 2012-09-26 | 2012-09-26 | Rapid telescopic support device for photography and advertisement industry |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210362474.1A CN102913523B (en) | 2012-09-26 | 2012-09-26 | Rapid telescopic support device for photography and advertisement industry |
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| CN102913523A CN102913523A (en) | 2013-02-06 |
| CN102913523B true CN102913523B (en) | 2014-11-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104879638A (en) * | 2015-04-03 | 2015-09-02 | 昆山德商达金软件技术有限公司 | Self-timer rod |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982496B (en) * | 2014-05-29 | 2017-11-07 | 无锡双龙信息纸有限公司 | A kind of core pipe locking device of bill core pipe recycling machine |
| CN103979338B (en) * | 2014-05-30 | 2017-02-15 | 无锡双龙信息纸有限公司 | Bill core tube recovery device |
| CN106678139B (en) * | 2014-11-19 | 2018-11-30 | 浙江捷昌线性驱动科技股份有限公司 | A kind of electric telescopic pipe |
| CN104811837A (en) * | 2015-03-24 | 2015-07-29 | 宁波江北鑫祥音响电子有限公司 | Quick-stretching support |
| CN108926114A (en) * | 2018-08-14 | 2018-12-04 | 吉林合纵信息技术有限公司 | A kind of Multifunctional computer bracket |
| CN108730712A (en) * | 2018-08-23 | 2018-11-02 | 吉林合纵信息技术有限公司 | A kind of Flat computer support frame |
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| GB2298671A (en) * | 1995-03-10 | 1996-09-11 | Vinten Group Plc | Extendible arms |
| CN201502596U (en) * | 2009-09-24 | 2010-06-09 | 嘉兴市捷豪清洁用品有限公司 | Telescopic link |
| CN201731245U (en) * | 2009-12-25 | 2011-02-02 | 李冰心 | Portable tripod capable of being expanded or contracted quickly |
| CN201925286U (en) * | 2011-01-25 | 2011-08-10 | 南京普爱射线影像设备有限公司 | Medical multilevel synchronous telescopic cylinder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879638A (en) * | 2015-04-03 | 2015-09-02 | 昆山德商达金软件技术有限公司 | Self-timer rod |
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| CN102913523A (en) | 2013-02-06 |
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Owner name: YUEQING ORIGINALITY PHOTOGRAHY EQUIPMENT CO., LTD. Free format text: FORMER OWNER: CHEN QINGYUAN Effective date: 20150715 |
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Effective date of registration: 20150715 Address after: Shen Fang Shifan Town Village in Yueqing City, Zhejiang province 325600 Patentee after: Yueqing City intention video equipment company limited Address before: 325000 No. 6 Lane 12, Lane Lane, Hongqiao Town, Zhejiang, Yueqing Patentee before: Chen Qingyuan |