CN203835898U - Novel continuous telescopic device for tripod - Google Patents
Novel continuous telescopic device for tripod Download PDFInfo
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- CN203835898U CN203835898U CN201420189877.5U CN201420189877U CN203835898U CN 203835898 U CN203835898 U CN 203835898U CN 201420189877 U CN201420189877 U CN 201420189877U CN 203835898 U CN203835898 U CN 203835898U
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- spline
- telescopic pipe
- lock sheet
- sheet
- locking
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Abstract
The utility model relates to a novel continuous telescopic device for a tripod. The novel continuous telescopic device comprises a large telescopic pipe and a small telescopic, the two of which are telescopically connected with each other; a rotary locking mechanism, which comprises a rotating part fixed at one end of the small telescopic pipe and at least one stopping locking piece, is arranged between the large telescopic pipe and the small telescopic; a rotary locking groove is formed in the peripheral sidewall of the rotating part; the bottom of the rotary locking groove is an eccentric circular-arc-shaped surface, a releasing end and a locking end are formed, and the stopping locking piece is slidingly arranged in the rotary locking groove; an escaping sliding groove is formed in the lower end of the rotary locking groove, an anti-loosening positioning projection is arranged on the escaping sliding groove next to the locking end, and a stopping projection is arranged at the lower end of the inner side surface of the stopping locking piece; the stopping projection is movably arranged in the escaping sliding groove; when the stopping locking piece is located at the locking end, the stopping projection is located in the escaping sliding groove at the locking end and locked with the anti-loosening positioning projection. The novel continuous telescopic device for the tripod is used for solving the problem that the stopping locking piece loosens as rotating backward during locking, and is stable and reliable in locking performance, and simple in structure.
Description
Technical field
The utility model belongs to tripod technical field, relates in particular to a kind of new type of continuous expansion device for tripod.
Background technique
Up to the present, existing tripod is all comprised of some pipe joints, and adopt C shape lock sheet to add cam structure between every pipe joint, connects, during use, must lock section by section; As Nihon Velbon Seiki Kogyo K.K has researched and developed a kind of expansion device for tripod, and apply for a patent (number of patent application is 00802299.2), but this expansion device is because the size of every pipe joint is not identical, during knob locking, required dynamics is different, in using operating process, if exert oneself too small larger pipe be easy to get loose, not tight, can easily there is deadlock phenomenon again in the pipe excessive less if exert oneself, thereby too much like hard work when causing unclamping, retracting, even cannot unclamp.
Solve the problems of the technologies described above, claimant has developed " a kind of continuous and adjustable device for tripod " for this reason, and has applied for Chinese utility model patent (ZL201320222436.6) on April 27th, 2012, and has obtained Chinese utility model patent power.But the continuous and adjustable device of this patent is after long-time use, there is once in a while the problem of " revolution of spline lock sheet is unclamped and caused the locking state unstable, unreliable when locking state ".
Model utility content
For solving the above-mentioned problems in the prior art, the utility model provided a kind of both solution to exert oneself that too small larger pipe is easy to get loose, not tight, thereby or the excessive less pipe of exerting oneself too much like hard work when deadlock phenomenon easily occurring causing unclamping, retract, the problem that even cannot unclamp, solved again the problem that the revolution of spline lock sheet is unclamped when locking, locking stable performance, reliable, and operating process is simple, light, quick, simple in structure, production and processing is easy to the new type of continuous expansion device for tripod.
For solving the problems of the technologies described above, the utility model adopts following technological scheme:
For a new type of continuous expansion device for tripod, include mutually flexible large telescopic pipe and the little telescopic pipe connecting, and telescopic pipe and little telescopic pipe are circular pipe greatly; Between described large telescopic pipe and little telescopic pipe, be provided with circumvolve lock set kit, the described locking mechanism that turns includes and is fixed on the rotary part of described little telescopic pipe one end and spline lock sheet more than a slice at least, the circumferential side wall of described rotary part is provided with rotational lock groove, the bottom land of described rotational lock groove is an eccentric circle cambered surface, end and locking end are unclamped in formation, and described spline lock sheet is located in rotational lock groove slidably; Upper end and/or the lower end of described rotational lock groove are provided with the chute of stepping down, described in the chute of stepping down near locking end place, be provided with and prevent back pinidine position lug boss, correspondingly, upper end and/or the lower end of the inner surface of described spline lock sheet are provided with stop boss; Described stop boss is along with the spline lock sheet sliding in rotational lock groove is located in the chute of stepping down actively, and when spline lock sheet is positioned at described locking end, described stop boss is positioned at the chute of stepping down at locking end place, and mutually blocks with preventing back pinidine position lug boss.
Further, described spline lock sheet includes the first spline lock sheet and the second spline lock sheet, and the circumferential side wall of described rotary part is provided with the rotational lock groove that is respectively used to place described the first spline lock sheet and the second spline lock sheet; The lower end of described rotational lock groove is provided with the chute of stepping down, described in the chute of stepping down near locking end place, be provided with and prevent back pinidine position lug boss, correspondingly, the lower end of the inner surface of described the first spline lock sheet and the second spline lock sheet is provided with stop boss.
Further, described the first spline lock sheet and second center of gravity of spline lock sheet and the axle center of rotary part are in the same plane, and stop boss is positioned in this plane.
Further, described in turn locking mechanism and also include slip limiting plate more than a slice, stretch out outside little telescopic pipe one end of described rotary part, which is provided with C shape lock sheet; The inner surface of described C shape lock sheet is comprised of the first eccentric circle cambered surface and the second eccentric circle cambered surface, and the sidewall of described rotary part and the first eccentric circle cambered surface and the second eccentric circle cambered surface are suitable, and rotation engages mutually; The inner surface of described slip limiting plate is close to and is connected with C shape lock sheet, and outer surface can be close in the inside side walls of large telescopic pipe with the C shape lock sheet expanding outwardly when rotary part rotational lock.
Further, described slip limiting plate includes the first slip limiting plate and the second slip limiting plate, and the inner surface of described the first slip limiting plate and the second slip limiting plate respectively outer surface of the C shape lock sheet corresponding with the first eccentric circle cambered surface and the second eccentric arc face is close to connection.
Further, described little telescopic pipe is provided with and rotational lock groove spline window one to one, and described spline lock sheet is located in rotational lock groove by spline window, and stretches out outside spline window.
Further, described spline lock sheet is provided with spline sheet towards a side of rotational lock groove locking end, opposite side is provided with another spline sheet, when spline lock sheet slides to locking end, described spline sheet blocks and is pressed on a lateral margin of spline window, when spline lock sheet slides to, unclamp when end, described another spline sheet blocks and is pressed on the opposite side rim of spline window.
Further, the inside side walls of described large telescopic pipe is provided with the first slide rail, and described spline lock sheet outer surface is provided with chute, and described chute is stuck on the first slide rail slidably; In the circumferential side wall of described rotary part, be also provided with locating slot, the inside side walls relevant position of described little telescopic pipe is provided with the second slide rail, and described locating slot is stuck on the second slide rail.
Further, described expansion device also includes the supporting removably connecting with large telescopic pipe, described supporting in the form of a ring, in it, be provided with for scratch resistant cushion rubber, the outer surface of described scratch resistant cushion rubber is close to and is connected with the inside side walls of supporting, and inside side walls is connected with the outside sidewall sliding contact of described little telescopic pipe.
Further, described rotary part is also provided with the exhaust port that longitudinally runs through two ends.
The beneficial effects of the utility model are:
The utility model passes through technique scheme, both solved and exerted oneself that too small larger pipe is easy to get loose, not tight, thereby or the excessive less pipe of exerting oneself too much like hard work when deadlock phenomenon easily occurring causing unclamping, retract, the problem that even cannot unclamp, solve again spline lock sheet when locking and turned round the problem of unclamping, locking stable performance, reliable, and also operating process is simply, easily, fast, simple in structure, production and processing is easy.
Accompanying drawing explanation
Fig. 1 is a kind of new type of continuous expansion device embodiment's for tripod described in the utility model blast structural representation;
Fig. 2 is the structural representation of a kind of new type of continuous expansion device embodiment C shape lock sheet for tripod described in the utility model;
Fig. 3 is a kind of new type of continuous expansion device embodiment's for tripod described in the utility model package assembly schematic diagram;
Fig. 4 is the sectional structure schematic diagram of a kind of new type of continuous expansion device embodiment releasing orientation for tripod described in the utility model;
Fig. 5 is the sectional structure schematic diagram of a kind of new type of continuous expansion device embodiment locking state for tripod described in the utility model.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Fig. 1 to Fig. 5:
A kind of new type of continuous expansion device for tripod described in the utility model embodiment, including the mutually flexible large telescopic pipe connecting 11 and little telescopic pipe 12, and the equal circular pipe for being made by carbon fiber composite of large telescopic pipe 11 and little telescopic pipe 12.Between described large telescopic pipe 11 and little telescopic pipe 12, be provided with circumvolve lock set kit, described in turn locking mechanism and include rotary part 21, the first spline lock sheet 22 and the second spline lock sheet 23(spline lock sheet more than a slice at least that is fixed on described little telescopic pipe 12 one end); Described rotary part 21 is a cylindrical body, its size and little telescopic pipe 12 are suitable, the circumferential side wall of described rotary part 21 is provided with the rotational lock groove 211 that is respectively used to place described the first spline lock sheet 22 and the second spline lock sheet 23, the bottom land of described rotational lock groove 211 is an eccentric circle cambered surface 212, make to have depth difference between rotational lock groove 211 two ends, end 2111 and locking end 2112 are unclamped in formation, and described spline lock sheet is located in rotational lock groove 211 slidably.The lower end of described rotational lock groove 211 is provided with the chute 214 of stepping down, the described chute 214 of stepping down is provided with and prevents back pinidine position lug boss 215 near locking end 2112 places, correspondingly, the lower end of the inner surface of described spline lock sheet is provided with stop boss 28, and first spline lock sheet 22 and the center of gravity of the second spline lock sheet 23 and the axle center of rotary part 21 in the same plane, stop boss 28 is positioned in this plane; Described stop boss 28 is along with in the spline lock sheet of rotational lock groove 211 interior slips is located at the chute 214 of stepping down actively, and when spline lock sheet is positioned at described locking end 2112, described stop boss 28 is positioned at the chute 214 of stepping down at locking end 2112 places, and mutually blocks with preventing back pinidine position lug boss 215.
On described rotary part 21, be also provided with locating slot 213, described locating slot 213 is longitudinally located in the circumferential side wall of rotary part 21, and through rotational lock groove 211, correspondingly, described little telescopic pipe 12 is connected relevant position, one end with large telescopic pipe 11 and is provided with spline window 121, with and inside side walls relevant position be provided with the second slide rail 123.The inside bottom surface of the first spline lock sheet 22 and the second spline lock sheet 23 is arc surface, and its outer surface (towards large telescopic pipe 11 1 sides) is also longitudinally provided with the second chute 221 and the 3rd chute 231; This expansion device also includes a supporting 3, the rounded ring-type of supporting 3, and its size is suitable with large telescopic pipe 11, and mutually removably connects by worm structure.
During assembling, first locating slot 213 is entrapped on little telescopic pipe 12, and pushes hard gently, rotary part 21 is arranged in little telescopic pipe 12, rotational lock groove 211 is corresponding one by one with spline window 121; Then, the first spline lock sheet 22 and the second spline lock sheet 23 are inlaid in respectively in rotational lock groove 211, and can laterally slide along eccentric circle cambered surface 212, stop boss 28 is positioned at the chute 214 of stepping down actively simultaneously; Then, the second chute 221 on the first spline lock sheet 22 and the second spline lock sheet 23 and the 3rd chute 231 are stuck on corresponding first slide rail 111 of inside side walls of telescopic pipe 11, and push hard gently, the second chute 221 and the 3rd chute 231 are slided along the first slide rail 111, and little telescopic pipe 12 is contracted in large telescopic pipe 11; Finally, supporting 3, through little telescopic pipe 12, is arranged on telescopic pipe 11.
During use, user first firmly rotates little telescopic pipe 12, driven rotary portion 21 rotates towards unclamping direction (Fig. 2 is for counterclockwise), make the first spline lock sheet 22 and the second spline lock sheet 23 slide into respectively unclamping of rotational lock groove 211 and hold 211, stop boss 28 is positioned at the chute 214 of stepping down that unclamps end 2111 places, the first spline lock sheet 22 and the second spline lock sheet 23 outer surfaces and inside bottom surface are unclamped with inside side walls and the eccentric circle cambered surface 212 of little telescopic pipe 12 respectively, large telescopic pipe 11 with little telescopic pipe 12 in releasing orientation, then, the first spline lock sheet 22 and the second spline lock sheet 23 are by the second chute 221 and the 3rd chute 231 and large telescopic pipe 11 rotations of the first slide rail 111 drive, in like manner make it go up again a telescopic pipe and unclamp, so analogize, the whole expansion device of the utility model is unclamped, then, pull out little telescopic pipe 12, the second chutes 221 and the 3rd chute 231 and skid off on the first slide rail 111, each telescopic pipe is stretched out, until Len req, finally, firmly rotate again little telescopic pipe 12, driven rotary portion 21 rotates towards locking direction (Fig. 2 is clockwise direction), make the first spline lock sheet 22 and the second spline lock sheet 23 slide into respectively the locking end 2112 of rotational lock groove 211, stop boss 28 is positioned at the chute 214 of stepping down at locking end 2112 places, the first spline lock sheet 22 is locked and is connected with eccentric circle cambered surface 212 with the inside side walls of little telescopic pipe 12 respectively with inside bottom surface with the second spline lock sheet 23 outer surfaces, large telescopic pipe 11 with little telescopic pipe 12 in locking state, in like manner make it go up again a telescopic pipe locking, so analogize, make the whole expansion device locking of the utility model, can use, otherwise, by above-mentioned steps reverse operating, can pack up whole expansion device, be convenient to collection and carry.
When unclamping end described in described spline lock sheet is positioned at 2111 time, its outer surface and inside bottom surface are unclamped with inside side walls and the eccentric circle cambered surface 212 of described little telescopic pipe 12 respectively, when described spline lock sheet is positioned at described locking end 2112, its outer surface is locked and is connected with eccentric circle cambered surface 212 with the inside side walls of described little telescopic pipe 12 respectively with inside bottom surface.
Like this, new type of continuous expansion device for tripod described in the utility model had both solved exerts oneself that too small larger pipe is easy to get loose, not tight, thereby or the excessive less pipe of exerting oneself too much like hard work when deadlock phenomenon easily occurring causing unclamping, retract, the problem that even cannot unclamp, solved again the problem that the revolution of spline lock sheet is unclamped when locking, locking stable performance, reliable, and operating process is simple, light, quick, save cost, simple in structure, production and processing is easy.
Certainly, the chute 214 of stepping down described in the upper end of described rotational lock groove 211 or upper and lower two ends are provided with, the described chute 214 of stepping down is provided with equally and prevents back pinidine position lug boss 215 near locking end 2112 places, correspondingly, the upper end of the inner surface of described the first spline lock sheet 22 and the second spline lock sheet 23 or upper and lower two ends are provided with stop boss 28.
In addition, the first spline lock sheet 22 and the second spline lock sheet 23 are provided with the first spline sheet 222 and the second spline sheet 232 towards a side of rotational lock groove 211 locking ends, when the first lock sheet 22 and the second lock sheet 23 slide to locking end 2112, the first spline sheet 222 and the second spline sheet 232 block and are pressed on a lateral margin of spline window 121, utilize the first spline lock sheet 22 and the second spline lock sheet 23 and on the first spline sheet 222 and the second spline sheet 232, spline window 121 fixes the turn-button angular distance that telescopic pipe unclamps and locks, prevent from exerting oneself ambassador's the first spline lock sheet 22 and the second spline lock sheet 23 ejects and causes little telescopic pipe 12 to spin, or exert oneself excessive and make C ring lock sheet 24 damage ring, or exerted oneself ambassador's the first spline lock sheet 22 and the second spline lock sheet 23 rotations excessively cause locked, unclamp with locking operation lighter, convenient.
Certainly, described the first spline lock sheet 22 and the second spline lock sheet 23 opposite sides are also provided with same spline sheet, when the first spline lock sheet 22 and the second spline lock sheet 23 slide to while unclamping end 2111, this spline sheet blocks and is pressed on the opposite side rim of spline window 121.Circumvolve lock set kit 2 described in the utility model embodiment at least includes more than one the first spline lock sheet 22 and the second spline lock sheet 23, correspondingly, described rotary part 21 is provided with the rotational lock groove 211 of respective numbers, and the inwall relevant position of the described telescopic pipe of every joint is provided with the first slide rail 111 and the second slide rail 123.
As the utility model one preferred embodiment, described in turn locking mechanism and include the slip limiting plate that the first slip limiting plate 25 and the second slip limiting plate 26(can certainly be more than a slices); Stretch out outside little telescopic pipe 12 described rotary part 21 one end, which is provided with a C shape lock sheet 24; The inner surface of described C shape lock sheet 24 is comprised of the first eccentric circle cambered surface 241 and the second eccentric circle cambered surface 242, and described rotary part 21 sidewalls and the first eccentric circle cambered surface 241 and the second eccentric circle cambered surface 242 are suitable, and rotation engages mutually; The inner surface of described the first slip limiting plate 25 and the second slip limiting plate 26 respectively outer surface of the C shape lock sheet 24 corresponding with the first eccentric circle cambered surface 241 and the second eccentric circle cambered surface 242 is close to connection, and the outer surface of the first slip limiting plate 25 and the second slip limiting plate 26 can be close in the inside side walls of large telescopic pipe 11 with the C shape lock sheet 24 expanding outwardly when rotary part 21 rotational lock.The inside side walls of described large telescopic pipe 11 is provided with the first slide rail 111, and the outer surface of described C shape lock sheet 24 is provided with the first chute 243 with respect to the position of the first slide rail 111, and during installation, the first chute 243 is stuck on the first slide rail 111.
Like this, user only need can lock large telescopic pipe 11 and little telescopic pipe 12 mutually by simple rotation, and by the first slip limiting plate 25 being set and the second slip limiting plate 26 has increased the locking area between large telescopic pipe 11 and little telescopic pipe 12 effectively, locking effect is good, stable performance, secure.
As the another preferred embodiment of the utility model, in described supporting 3, be provided with for scratch resistant cushion rubber 31, the outer surface of described scratch resistant cushion rubber 31 is close to and is connected with the inside side walls of supporting 3, and inside side walls is connected with the outside sidewall sliding contact of little telescopic pipe 12.Like this, by scratch resistant cushion rubber 31, effectively prevent that little telescopic pipe 12 from contacting with supporting 3 when pulling out, retract and rotating, scratching occurs, cause the outside sidewall of little telescopic pipe 12 damaged, long-term use can not affect performance and outward appearance yet.
As the utility model preferred embodiment again, described rotary part 21 is also provided with an exhaust port 27 that longitudinally runs through two ends, and large telescopic pipe 11 is communicated with little telescopic pipe 12; When user is retracted to large telescopic pipe 11 when interior by little telescopic pipe 12, can the gas in large telescopic pipe 11 be compressed, and in exhaust port 27 enters little telescopic pipe 12, finally discharge extraneous; On the contrary, when user pulls out little telescopic pipe 12 from large telescopic pipe 11, can make the gas in large telescopic pipe 11 expand, ambient atmos enters in large telescopic pipe 11 through little telescopic pipe 12 from exhaust port 27; Like this, can guarantee to pull out and the large telescopic pipe 11 of retraction process and little telescopic pipe 12 in air pressure balance, operation more easily, more smooth and easy, performance is more stable.
Above content is in conjunction with concrete optimal technical scheme further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. for a new type of continuous expansion device for tripod, include the flexible large telescopic pipe (11) connecting and little telescopic pipe (12) mutually, and large telescopic pipe (11) is circular pipe with little telescopic pipe (12); Between described large telescopic pipe (11) and little telescopic pipe (12), be provided with circumvolve lock set kit, the described locking mechanism that turns includes and is fixed on the rotary part (21) of described little telescopic pipe (12) one end and spline lock sheet more than a slice at least, the circumferential side wall of described rotary part (21) is provided with rotational lock groove (211), the bottom land of described rotational lock groove (211) is an eccentric circle cambered surface (212), end (2111) and locking end (2112) are unclamped in formation, and described spline lock sheet is located in rotational lock groove (211) slidably; It is characterized in that: the upper end of described rotational lock groove (211) and/or lower end are provided with the chute of stepping down (214), the described chute of stepping down (214) is located to be provided with near locking end (2112) and is prevented back pinidine position lug boss (215), correspondingly, the upper end of the inner surface of described spline lock sheet and/or lower end are provided with stop boss (28); Described stop boss (28) is along with the spline lock sheet sliding in rotational lock groove (211) is located in the chute of stepping down (214) actively, and when spline lock sheet is positioned at described locking end (2112), described stop boss (28) is positioned at the chute of stepping down (214) that locking end (2112) is located, and mutually blocks with preventing back pinidine position lug boss (215).
2. a kind of new type of continuous expansion device for tripod according to claim 1, it is characterized in that: described spline lock sheet includes the first spline lock sheet (22) and the second spline lock sheet (23), the circumferential side wall of described rotary part (21) is provided with the rotational lock groove (211) that is respectively used to place described the first spline lock sheet (22) and the second spline lock sheet (23); The lower end of described rotational lock groove (211) is provided with the chute of stepping down (214), the described chute of stepping down (214) is located to be provided with near locking end (2112) and is prevented back pinidine position lug boss (215), correspondingly, the lower end of the inner surface of described the first spline lock sheet (22) and the second spline lock sheet (23) is provided with stop boss (28).
3. a kind of new type of continuous expansion device for tripod according to claim 2, it is characterized in that: described the first spline lock sheet (22) and the center of gravity of the second spline lock sheet (23) and the axle center of rotary part (21) are in the same plane, and stop boss (28) is positioned in this plane.
4. according to a kind of new type of continuous expansion device for tripod described in claim 1 or 2 or 3, it is characterized in that: described in turn locking mechanism and also include slip limiting plate more than a slice, stretch out outside little telescopic pipe (12) one end of described rotary part (21), which is provided with C shape lock sheet (24); The inner surface of described C shape lock sheet (24) is comprised of the first eccentric circle cambered surface (241) and the second eccentric circle cambered surface (242), the sidewall of described rotary part (21) and the first eccentric circle cambered surface (241) and the second eccentric circle cambered surface (242) are suitable, and rotation engages mutually; The inner surface of described slip limiting plate is close to and is connected with C shape lock sheet (24), and outer surface can be close in the inside side walls of large telescopic pipe (11) with the C shape lock sheet (24) expanding outwardly when rotary part (21) rotational lock.
5. a kind of new type of continuous expansion device for tripod according to claim 4, it is characterized in that: described slip limiting plate includes the first slip limiting plate (25) and the second slip limiting plate (26), the inner surface of described the first slip limiting plate (25) and the second slip limiting plate (26) the respectively outer surface of the C shape lock sheet (24) corresponding with the first eccentric circle cambered surface (241) and the second eccentric circle cambered surface (242) is close to connection.
6. according to a kind of new type of continuous expansion device for tripod described in claim 1 or 2 or 3 or 5, it is characterized in that: described little telescopic pipe (12) is provided with and rotational lock groove (211) spline window (121) one to one, described spline lock sheet is located in rotational lock groove (211) by spline window (121), and stretches out outside spline window (121).
7. a kind of new type of continuous expansion device for tripod according to claim 6, it is characterized in that: described spline lock sheet is provided with spline sheet towards a side of rotational lock groove (211) locking end, opposite side is provided with another spline sheet, when spline lock sheet slides to locking end (2112), described spline sheet blocks and is pressed on a lateral margin of spline window (121), when spline lock sheet slides to while unclamping end (2111), described another spline sheet blocks and is pressed on the opposite side rim of spline window (121).
8. a kind of new type of continuous expansion device for tripod according to claim 7, it is characterized in that: the inside side walls of described large telescopic pipe (11) is provided with the first slide rail (111), described spline lock sheet outer surface is provided with chute, and described chute is stuck on the first slide rail (111) slidably; In the circumferential side wall of described rotary part (21), be also provided with locating slot (213), the inside side walls relevant position of described little telescopic pipe (12) is provided with the second slide rail (123), and described locating slot (213) is stuck on the second slide rail (123).
9. according to a kind of new type of continuous expansion device for tripod described in claim 1 or 2 or 3 or 5 or 7 or 8, it is characterized in that: described expansion device also includes the supporting (3) removably connecting with large telescopic pipe (11), described supporting (3) in the form of a ring, in it, be provided with for scratch resistant cushion rubber (31), the outer surface of described scratch resistant cushion rubber (31) is close to and is connected with the inside side walls of supporting (3), and inside side walls is connected with the outside sidewall sliding contact of described little telescopic pipe (12).
10. according to a kind of new type of continuous expansion device for tripod described in claim 1 or 2 or 3 or 5 or 7 or 8, it is characterized in that: described rotary part (21) is also provided with the exhaust port (27) that longitudinally runs through two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420189877.5U CN203835898U (en) | 2014-04-18 | 2014-04-18 | Novel continuous telescopic device for tripod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420189877.5U CN203835898U (en) | 2014-04-18 | 2014-04-18 | Novel continuous telescopic device for tripod |
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| Publication Number | Publication Date |
|---|---|
| CN203835898U true CN203835898U (en) | 2014-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420189877.5U Expired - Fee Related CN203835898U (en) | 2014-04-18 | 2014-04-18 | Novel continuous telescopic device for tripod |
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| CN (1) | CN203835898U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454843A (en) * | 2014-12-15 | 2015-03-25 | 何祥英 | Multi-joint carbon fiber telescopic rod |
| CN108825602A (en) * | 2018-09-05 | 2018-11-16 | 深圳华加日幕墙科技有限公司 | Fence decoration connection structure |
-
2014
- 2014-04-18 CN CN201420189877.5U patent/CN203835898U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454843A (en) * | 2014-12-15 | 2015-03-25 | 何祥英 | Multi-joint carbon fiber telescopic rod |
| CN104454843B (en) * | 2014-12-15 | 2016-05-11 | 何祥英 | More piece carbon fiber expansion link |
| CN108825602A (en) * | 2018-09-05 | 2018-11-16 | 深圳华加日幕墙科技有限公司 | Fence decoration connection structure |
| CN108825602B (en) * | 2018-09-05 | 2023-12-29 | 深圳广晟幕墙科技有限公司 | Rail decoration connecting structure |
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