CN201391723Y - Locking device for tripod foot tube - Google Patents
Locking device for tripod foot tube Download PDFInfo
- Publication number
- CN201391723Y CN201391723Y CN200920054063U CN200920054063U CN201391723Y CN 201391723 Y CN201391723 Y CN 201391723Y CN 200920054063 U CN200920054063 U CN 200920054063U CN 200920054063 U CN200920054063 U CN 200920054063U CN 201391723 Y CN201391723 Y CN 201391723Y
- Authority
- CN
- China
- Prior art keywords
- bassoon
- slip
- chuck
- tubule
- locking device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 210000005239 tubule Anatomy 0.000 claims description 37
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/10—Telescoping systems
- F16B7/14—Telescoping systems locking in intermediate non-discrete positions
- F16B7/149—Telescoping systems locking in intermediate non-discrete positions with a sleeve or ring having a tapered or conical surface
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
A locking device for a tripod foot tube comprises a big tube, a small tube, a jacket, an anti-slip ring and an anti-slip sheet. The upper end of the small tube is inserted in the big tube and can slide in the big tube along the axial direction; the jacket and the anti-slip ring are sleeved on the small tube in sequence and axially slide oppositely to the small tube; the anti-slip sheet is fixed at the upper end of the small tube and used for abutting against the anti-slip ring; the jacket is in threaded connection with the lower end of the big tube; internal conical surfaces for abutting against the anti-slip ring are arranged on the inner walls at the lower end of the jacket and the big tube; the anti-slip ring is limited between the two internal conical surfaces; the two internal conical surfaces applies pressure to the anti-slip ring when the jacket is pushed towards the big tube, so that the small tube is compacted by the anti-slip ring and the big tube and the small tube and the jacket are locked each other; an anti-drop ring is arranged above an external threaded part at the lower end of the big tube and fixed at the upper end of the jacket, and the internal diameter thereof is smaller than the external diameter of the external threaded part. By adopting the locking device, the foot tube can be freely adjusted, parts can not fall off, and meanwhile, the dustproof purpose is achieved.
Description
Technical field
The utility model relates to the tripod in the photographic goods, particularly relates to a kind of locking device that is used for photographic tripod pin pipe.
Background technique
At present, the photographic tripod of selling on the market all is to be formed by connecting by locking device by telescopic more piece pin pipe basically, and its locking device generally all cooperates on-slip circle and on-slip sheet to realize by screwed pipe joint and screw thread chuck.This simple in structure, easy-to-use, obtained general application, but must cause leaving between sleeve pipe and the bassoon bigger slit because employing is threaded, dust is easy to invade, and will not cause corrosion if do not clear up for a long time; On the other hand, according to present general locking device, its each parts all are demountable, and for ordinary consumer, if because of carelessness chuck is screwed out, pin pipe and sliding preventing part come off, and then are difficult to therefore its recovery is brought many worries and inconvenience to the user.
The model utility content
The purpose of this utility model is to provide a kind of energy dustproof and prevent the locking device of the tripod pin pipe of pin pipe accidental at the existing deficiency of present widely used photographic tripod.
The purpose of this utility model is achieved in that
A kind of tripod pin pipe locking device, comprise: bassoon, tubule, chuck, the on-slip circle, the on-slip sheet, described tubule upper end is inserted in the bassoon and can be slided vertically in bassoon, on chuck and on-slip circle suit tubule successively and can endwisely slip by relative tubule, described on-slip sheet is fixed on the tubule upper end, be used for pushing up only on-slip circle, described chuck is threaded with the bassoon lower end, chuck lower end inwall and bassoon lower end inwall are equipped with and are used for pushing up the only inner conical surface of on-slip circle, described on-slip circle is limited between this two inner conical surface, at chuck when bassoon advances, this two inner conical surface is exerted pressure to the on-slip circle and is made the on-slip circle compress tubule, realize bassoon, the mutual locking of tubule and chuck, it is characterized in that: described bassoon is arranged with anti-knocking in lower end external thread part top, the internal diameter of described anti-knocking over is less than the external diameter of this external thread part, and described anti-knocking over is fixed on the chuck upper end.
Described on-slip sheet concave surface is provided with projection, and described projection snaps onto two penetration holes that are symmetrical in the tubule axial plane that are arranged in the tubule upper end, so that the on-slip sheet is fixed on the tubule.
Described on-slip sheet is two, and big inner tube wall is symmetrical in that axial plane is provided with two axial positioning convex strips in the bassoon, and these two on-slip sheets are located at the positioning convex strip both sides respectively, to prevent relatively rotating between the pin pipe.
Described on-slip circle is provided with one section opening, to strengthen the effect of locking.
For increasing bassoon and the chuck area of exerting pressure to the on-slip circle, described on-slip circle two ends are provided with male cone (strobilus masculinus).Described chuck lower end is provided with inner conical surface.Described bassoon screw section inner tubal wall is provided with inner conical surface.
For the ease of assembling, described anti-knocking over is fixed on the chuck by bonding mode.
Described anti-knocking over and bassoon are sealed and matched, and anti-knocking over can be rotated along the bassoon circumferencial direction.To play the dust-tight effect, anti-simultaneously knocking over can form an integral body with chuck and along the circumferential direction rotate.
Its beneficial effect is: this tripod pin pipe locking device is by installing anti-knocking over additional on traditional pin pipe locking device, and and the fixing structure of chuck, having overcome traditional ubiquitous chuck of tripod pin pipe locking device is screwed out easily, cause pin and on-slip part to come off, the layman is difficult to its defective that resets, but realized pin pipe free adjustment, but part can not come off, overcome simultaneously and piled up dirt between the chuck of conventional apparatus and pin easily, quicken the corrosion and the aging defective of metal, realized the dust-tight purpose.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is an exploded view of the present utility model;
Fig. 3 is the structural representation that the utility model tubule is drawn to ultimate state.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but not as to qualification of the present utility model.
Fig. 1 is the structural representation of a specific embodiment of the present utility model, Fig. 2 is the exploded view of present embodiment, from Fig. 1 and Fig. 2 as can be seen, tubule 1 is set with chuck 3 from the bottom up successively, on-slip circle 5, on-slip sheet 6, insert bassoon 2 then, tubule 1 upper end is provided with the positioning hole 1.1 that is symmetrical in axial plane in the tubule 1, the inner concave wall of on-slip sheet 6 is provided with projection 6.1, two on-slip sheets 6 snap onto by projection 6.1 in the positioning hole 1.1 of two symmetries of tubule 1 upper end, leave gap 6.2 in the middle of two on-slip sheets 6, bassoon 2 inwall upper edges are axially arranged with the locating bump 2.2 of two symmetries, locating bump 2.2 just is stuck in the gap 6.2, bassoon 2 lower ends are provided with external thread part 2.1, inwall is provided with inner conical surface 2.3, anti-press-offing 4 is sleeved in the bassoon 2, its internal diameter is less than the external diameter of the external thread part 2.1 of bassoon 2, chuck 3 lower ends are provided with internal thread 3.1 and inner conical surface 3.2, chuck 3 is realized being threaded by the external thread part 2.1 of its internal thread 3.1 and bassoon 2, anti-press-off 4 and chuck 3 be fixed together by bonding mode, on-slip circle 5 is located between the screw section 2.1 of tubule 1 and bassoon 2, and is limited between the inner conical surface 3.2 of the inner conical surface 2.3 of bassoon 2 and chuck 3.
Fig. 3 is the structural representation that the present embodiment tubule is drawn to ultimate state, as can be seen from the figure, when tubule is drawn to ultimate state, on-slip sheet 6 and on-slip circle 5 abut against together, because on-slip circle 5 is by inner conical surface 3.2 backstops of chuck 3, therefore on-slip sheet 6 and on-slip circle 5 all can not pass through from chuck 3, on-slip sheet 6 is buckled on the tubule 1, with tubule 1 relative displacement can not take place, so tubule can not be extracted out from chuck, form an integral body because chuck 3 and anti-knocking over 4 bond together, and anti-knocking over 4 can not be by the screw section 2.1 of bassoon 2, therefore chuck 3 can't screw off from bassoon 2, thus tubule 1, on-slip sheet 6, on-slip circle 5, chuck 3, anti-knocking over 4 all can not break away from from bassoon 2, thereby have realized the purpose of anticreep.
The installation step of present embodiment is:
A, successively chuck 3 and on-slip circle 5 are sleeved on the tubule 1;
B, two on-slip sheets 6 are snapped onto in the positioning hole 1.1 of tubule 1;
The positioning convex strip 2.2 that gap 6.2 between c, the two on-slip sheets 6 is aimed on bassoons 2 inwalls inserts bassoon 2 with tubule 1;
D, will prevent that knocking over 4 is inserted in from bassoon 2 upper ends, and coat viscose glue on its outer surface;
E, locking chuck 3 and and anti-knocking over 4 bond together.
Working principle of the present utility model: because the internal diameter of anti-knocking over 4 is less than the external diameter of the screw section 2.1 of bassoon 2 lower ends, therefore can't take out from bassoon 2 lower ends by the screw section 2.1 of bassoon 2, after device assembles, because chuck 3 and anti-knocking over 4 bond together, form an integral body, chuck 3 also can only unscrew, and can't screw out, when chuck screws, the inner conical surface 2.3 of bassoon 2 and the inner conical surface 3.2 of chuck 3 push on-slip circle 5 simultaneously, in bassoon 2, produce a pressure radially between on-slip circle 5 and the tubule 1, along with the increase of pressure, vertically the also corresponding increase of frictional force between the three, thereby pin is locked, in order to increase the area of exerting pressure of bassoon 2 and 3 pairs of on-slip circles 5 of chuck, male cone (strobilus masculinus) 5.2 can also be set at the two ends of on-slip circle 5, the slope of the inner conical surface 2.3 of its slope and bassoon 2 and the inner conical surface 3.2 of chuck 3 equates.Simultaneously, owing to on-slip sheet 6 snaps onto on the tubule 1, and be positioned in the positioning convex strip 2.2 of bassoon 2, so tubule 1 can't along the circumferential direction rotate in bassoon 2.
The above embodiment; just the novel more preferably embodiment of this use is a kind of; the novel scope of protecting of this use is not limited to the joint number of concrete locking mode, pin pipe; the concrete structures such as means of fixation of chuck and anti-knocking over, common variation and replacement that all those skilled in the art carry out in the technical solutions of the utility model scope are included in the protection domain of the present utility model.
Claims (7)
1, a kind of tripod pin pipe locking device, comprise: bassoon, tubule, chuck, the on-slip circle, the on-slip sheet, described tubule upper end is inserted in the bassoon and can be slided vertically in bassoon, on chuck and on-slip circle suit tubule successively and can endwisely slip by relative tubule, described on-slip sheet is fixed on the tubule upper end, be used for pushing up only on-slip circle, described chuck is threaded with the bassoon lower end, chuck lower end inwall and bassoon lower end inwall are equipped with and are used for pushing up the only inner conical surface of on-slip circle, described on-slip circle is limited between this two inner conical surface, at chuck when bassoon advances, this two inner conical surface is exerted pressure to the on-slip circle and is made the on-slip circle compress tubule, realize bassoon, the mutual locking of tubule and chuck, it is characterized in that: described bassoon is arranged with anti-knocking in lower end external thread part top, the internal diameter of described anti-knocking over is less than the external diameter of this external thread part, and described anti-knocking over is fixed on the chuck upper end.
2, a kind of tripod pin pipe locking device according to claim 1, it is characterized in that: described on-slip sheet concave surface is provided with projection, and described projection snaps onto two positioning holes that are symmetrical in the tubule axial plane that are arranged in the tubule upper end.
3, a kind of tripod pin pipe locking device according to claim 2, it is characterized in that: described on-slip sheet is two, and big inner tube wall is symmetrical in that axial plane is provided with two axial positioning convex strips in the bassoon, and these two on-slip sheets are located at the positioning convex strip both sides respectively.
4, a kind of tripod pin pipe locking device according to claim 1, it is characterized in that: described on-slip circle is provided with one section opening.
5, a kind of tripod pin pipe locking device according to claim 4, it is characterized in that: described on-slip circle two ends are provided with male cone (strobilus masculinus).
6, a kind of tripod pin pipe locking device according to claim 1, it is characterized in that: described anti-knocking over is fixed on the chuck by bonding mode.
7, according to each described a kind of tripod pin pipe locking device of claim 1-6, it is characterized in that: described anti-knocking over and bassoon are sealed and matched, and anti-knocking over can be rotated along the bassoon circumferencial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920054063U CN201391723Y (en) | 2009-03-31 | 2009-03-31 | Locking device for tripod foot tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920054063U CN201391723Y (en) | 2009-03-31 | 2009-03-31 | Locking device for tripod foot tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201391723Y true CN201391723Y (en) | 2010-01-27 |
Family
ID=41598548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920054063U Expired - Fee Related CN201391723Y (en) | 2009-03-31 | 2009-03-31 | Locking device for tripod foot tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201391723Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956892A (en) * | 2010-08-27 | 2011-01-26 | 中山立信摄影器材有限公司 | Tripod head locking device |
| CN103062176A (en) * | 2013-01-06 | 2013-04-24 | 陈庆元 | Extension tube anti-loosening locking device on photographic equipment |
| CN103574242A (en) * | 2013-11-13 | 2014-02-12 | 深圳市马小路科技有限公司 | Telescopic device of camera tripod |
| WO2018000614A1 (en) * | 2016-06-30 | 2018-01-04 | 乐视控股（北京）有限公司 | Tabletop tripod |
| CN110822238A (en) * | 2019-11-28 | 2020-02-21 | 衡阳市和仲通讯科技有限公司 | Video communication equipment fixed bolster |
| CN110882080A (en) * | 2019-12-24 | 2020-03-17 | 翟文龙 | Delivery assisting and boosting device for animals |
-
2009
- 2009-03-31 CN CN200920054063U patent/CN201391723Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956892A (en) * | 2010-08-27 | 2011-01-26 | 中山立信摄影器材有限公司 | Tripod head locking device |
| CN101956892B (en) * | 2010-08-27 | 2012-09-05 | 中山立信摄影器材有限公司 | Tripod head locking device |
| CN103062176A (en) * | 2013-01-06 | 2013-04-24 | 陈庆元 | Extension tube anti-loosening locking device on photographic equipment |
| CN103062176B (en) * | 2013-01-06 | 2016-08-03 | 陈庆元 | A kind of telescoping tube anticreep locking device on photographic goods |
| CN103574242A (en) * | 2013-11-13 | 2014-02-12 | 深圳市马小路科技有限公司 | Telescopic device of camera tripod |
| CN103574242B (en) * | 2013-11-13 | 2016-04-27 | 深圳市马小路科技有限公司 | Telescopic device of camera tripod |
| WO2018000614A1 (en) * | 2016-06-30 | 2018-01-04 | 乐视控股（北京）有限公司 | Tabletop tripod |
| CN110822238A (en) * | 2019-11-28 | 2020-02-21 | 衡阳市和仲通讯科技有限公司 | Video communication equipment fixed bolster |
| CN110882080A (en) * | 2019-12-24 | 2020-03-17 | 翟文龙 | Delivery assisting and boosting device for animals |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201391723Y (en) | Locking device for tripod foot tube | |
| US20080308693A1 (en) | Multipurpose Sucker | |
| CN103925440B (en) | A kind of compressed air fast pipe joint | |
| CN206000820U (en) | Telescoping tube and the camera support with this telescoping tube | |
| TWM333208U (en) | Shaft and club head changing structure of golf club | |
| CN204331120U (en) | A kind of universal adjustment rack | |
| CN208886212U (en) | A kind of quick coupling with protective device | |
| CN214789648U (en) | Anti-disassembly joint assembly | |
| CN106089924A (en) | The bolt of two-sided pretension | |
| CN205315675U (en) | Connection structure and car with oil cooler are managed in oil cold | |
| CN203948843U (en) | A kind of compressed air fast pipe joint | |
| CN208457395U (en) | A kind of connector for water pipe connection | |
| CN216743347U (en) | Ball type embedded pipe joint | |
| CN209370641U (en) | A kind of quick coupling | |
| CN220152137U (en) | Ball type embedded tube joint with quick assembly and disassembly | |
| CN100436917C (en) | Watertap discharging tube connecting device | |
| TWI755619B (en) | Concave and convex fit structure that can be semi-vacuum connected | |
| CN209638585U (en) | A kind of abnormal shape bifurcated multi-purpose silicon sebific duct | |
| CN205716103U (en) | A kind of water conservancy Petrochemical Pipe Joints | |
| CN202768563U (en) | Tripod foot tubes | |
| CN218330168U (en) | Intermediate assembly for quickly calibrating flow meter | |
| CN209990473U (en) | Cement head fast-assembling device | |
| WO2017067348A1 (en) | Connection structure of gas pipe | |
| CN213576133U (en) | Three-way joint | |
| CN216520184U (en) | Anti-falling connecting device of corrugated hose |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100127 Termination date: 20120331 |