CN202531571U - Continuous stretching device for tripod - Google Patents
Continuous stretching device for tripod Download PDFInfo
- Publication number
- CN202531571U CN202531571U CN2012201370784U CN201220137078U CN202531571U CN 202531571 U CN202531571 U CN 202531571U CN 2012201370784 U CN2012201370784 U CN 2012201370784U CN 201220137078 U CN201220137078 U CN 201220137078U CN 202531571 U CN202531571 U CN 202531571U
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- telescopic pipe
- lock
- lock sheet
- sheet
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Abstract
The utility model relates to a continuous stretching device for a tripod, which comprises a big stretching tube and a small stretching tube in mutual stretching connection, wherein the big stretching tube and the small stretching tube are both circular tubes; a rotating locking mechanism is arranged between the big stretching tube and the small stretching tube; the rotating locking mechanism comprises a rotating part and at least two locking sheets; the rotating part is fixed at one end of the small stretching tube; a rotating locking slot is arranged on the rotating part; an eccentric arc surface is arranged at the bottom of the rotating locking slot; and the locking sheets are slidably arranged in the rotating locking slot and are connected with an inner side wall of the small stretching tube and the eccentric arc surface in locking and unlocking form. The continuous stretching device can be simply, easily and conveniently used and operated; the problems that the bigger tube is easy to loosen and is loosely locked when an applied force is ultra-small or the smaller tube is easy to be tightly locked when the applied force is ultra-large, the smaller tube is hard to loosen and retract and even cannot be loosened are completely solved; the continuous stretching device has the advantages of simple structure, durability and beautiful appearance; the continuous stretching device is unlimited by a processing material; the production processing is more flexible and convenient and meets various grade requirements; and the continuous stretching device is more beneficial to popularization and application in the market.
Description
Technical field
The utility model relates to the tripod technical field, relates to a kind of continuous and adjustable device that is used for tripod.
Background technique
Up to the present; Existing tripod all is made up of some pipe joints; Connect and adopt C shape lock sheet to add cam structure between every pipe joint, must lock by joint during use, and the user is firmly excessive; The stressed easy generation C shape lock sheet of this conventional construction is the existing picture that spins in pipe, causes can't locking, using; For this reason; Nihon Velbon Seiki Kogyo K.K has researched and developed a kind of expansion device that is used for tripod; And apply for a patent (number of patent application is 00802299.2); This expansion device is the telescopic pipe of fan-shaped (arc shaped surface), and the shape of every pipe joint is the same, and its feature is only to need to rotate tubule (final section tubule) can lock several pipe joints in the lump; But because every pipe joint is big or small inequality, required dynamics is different during knob locking; Therefore, the user is in using operating process, if firmly too small; Then bigger pipe is easy to get loose, locks not tight, if firmly excessive, then less pipe again deadlock phenomenon can take place easily; Thereby cause unclamping, too much like hard work when withdrawing, even can't unclamp; In addition, the telescopic pipe of this shape and structure can not use the carbon fibre tube production and processing, can only use aluminium matter pipe, is not durable, and brings restriction to production, and profile is not attractive in appearance, can only be applied to the production of low and middle-end tripod.
The model utility content
For solving the problems referred to above that exist in the existing technology, the utility model provides a kind of use simple to operate, light, quick, simple in structure, durable, beautiful shape, and production and processing is used for the continuous and adjustable device of tripod more flexibly, more easily.
For solving the problems of the technologies described above, the utility model adopts following technological scheme:
A kind of continuous and adjustable device that is used for tripod; Including flexible each other big telescopic pipe and the little telescopic pipe that connects, and said big telescopic pipe and little telescopic pipe be circular pipe, be provided with circumvolve lock set kit between said big telescopic pipe and the little telescopic pipe; The tight mechanism of said twist lock includes the rotary part that is fixed on said little telescopic pipe one end; And the above lock sheet of a slice at least, said rotary part circumferential side wall is provided with the rotational lock groove, and the bottom land of said rotational lock groove is an eccentric circle cambered surface; End and locking end are unclamped in formation; Said lock sheet is located in the said rotational lock groove slidably, and when said lock sheet is positioned at said when end of unclamping, its outer surface and inside bottom surface are unclamped with said little telescopic pipe inside side walls and eccentric circle cambered surface respectively; When said lock sheet was positioned at said locking end, locking was connected its outer surface with the eccentric circle cambered surface with said little telescopic pipe inside side walls respectively with inside bottom surface.
As the utility model optimized technical scheme; Said little telescopic pipe is provided with the spline window; Said rotational lock groove is corresponding one by one with said spline window, and said lock sheet is located in the said rotational lock groove through said spline window, and stretches out said spline window.
As the utility model optimized technical scheme; Said lock sheet is provided with the spline sheet towards a side of said rotational lock groove locking end; Opposite side is provided with another spline sheet, and when said lock sheet slided to the locking end, said spline sheet blocked and is pressed on the lateral margin of said spline window; Unclamp when end when said lock sheet slides to, said another spline sheet blocks and is pressed on the opposite side rim of said spline window.
As the utility model optimized technical scheme, said big telescopic pipe madial wall is provided with slide rail, and said lock sheet outer surface is provided with chute, and said chute is stuck on the said slide rail slidably.
As the utility model optimized technical scheme; Also be provided with locating slot and pin-and-hole on the circumferential side wall of said rotary part; Said little telescopic pipe inside side walls relevant position is provided with slide rail and another pin-and-hole, and said locating slot is stuck on the said slide rail, and passes said pin-and-hole through fixing pin and fix.
As the utility model optimized technical scheme, said rotary part is a cylindrical body, and its size and said little telescopic pipe are suitable.
As the utility model optimized technical scheme, said lock sheet includes first lock sheet and second lock sheet, and said rotary part circumferential side wall is provided with and is respectively applied for the rotational lock groove of placing said first lock sheet and second lock sheet.
As the utility model optimized technical scheme, the center of gravity of said first lock sheet and second lock sheet and the axle center of said rotary part are located along the same line.
As the utility model optimized technical scheme; Said rotary part one end stretches out outside the said little telescopic pipe, which is provided with a C shape lock sheet, and said C shape lock sheet inner surface is made up of two eccentric circle cambered surfaces; And suitable with said rotary part sidewall and said eccentric circle cambered surface, rotation engages each other.
As the utility model optimized technical scheme, this expansion device also includes a supporting, and said supporting is an annulus, interconnects through worm structure and said big telescopic pipe.
The beneficial effect of the utility model is:
The utility model passes through technique scheme; Use simple to operately, light, quick, solve firmly too smallly fully, then bigger pipe is easy to get loose, locks not tight; Perhaps firmly excessive; Deadlock phenomenon takes place in then less pipe easily, thereby causes unclamping, too much like hard work when withdrawing, even the problem that can't unclamp; And this expansion device is simple in structure, durable, beautiful shape, does not also receive the restriction of rapidoprint, and production and processing is more flexible, more convenient, satisfies the various class demands in market, the popularization in more favourable market, universal.
Description of drawings
Fig. 1 is the said a kind of blast structural representation that is used for the continuous and adjustable device embodiment of tripod of the utility model;
Fig. 2 is the said a kind of package assembly schematic representation that is used for the continuous and adjustable device embodiment of tripod of the utility model;
Fig. 3 is the said a kind of sectional structure schematic representation that is used for the continuous and adjustable device embodiment releasing orientation of tripod of the utility model;
Fig. 4 is the said a kind of sectional structure schematic representation that is used for the continuous and adjustable device embodiment locking state of tripod of the utility model;
Fig. 5 is the structural representation of the said a kind of continuous and adjustable device embodiment's who is used for tripod of the utility model C shape lock sheet.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is described further:
Shown in Fig. 1 to Fig. 4:
The said a kind of continuous and adjustable device that is used for tripod of the utility model embodiment includes big telescopic pipe 11 and little telescopic pipe 12, and equal circular pipes for being made by carbon fiber composite; Be provided with circumvolve lock set kit between said big telescopic pipe 11 and the little telescopic pipe 12.This circumvolve lock set kit includes rotary part 21, first lock sheet 22 and second lock sheet 23; Wherein, rotary part 21 is a cylindrical body, and its size and little telescopic pipe 12 are suitable; Rotary part 21 circumferential side wall are provided with and are respectively applied for the rotational lock groove 211 of placing said first lock sheet 22 and second lock sheet 23; The bottom land of this rotational lock groove 211 is an eccentric circle cambered surface 212; Make between rotational lock groove 211 two ends to have depth difference, form and unclamp end 2111 and locking end 2112; Also be provided with locating slot 213 and pin-and-hole 214 on the rotary part 21; Said locating slot 213 vertically is located on the circumferential side wall of rotary part 21, and through rotational lock groove 211, and pin-and-hole 214 is positioned at locating slot 213; Correspondingly; Said little telescopic pipe 12 is connected an end relevant position with big telescopic pipe 11 and is provided with spline window 121 and another pin-and-hole 122, with and the inside side walls relevant position be provided with slide rail 123, and also be provided with same slide rail 111 on the said big telescopic pipe 11 inside side walls relevant positions.The inside bottom surface of first lock sheet 22 and second lock sheet 23 is an arc surface, and its outer surface (towards big telescopic pipe 11 1 sides) also vertically is provided with chute (221,231); This expansion device also includes a supporting 3, and supporting 3 is an annulus, and its size is suitable with big telescopic pipe 11, and interconnects through worm structure.
During assembling; At first locating slot 213 is entrapped on the little telescopic pipe 12, and pushes hard gently, rotary part 21 is installed in the little telescopic pipe 12; Rotational lock groove 211 is corresponding one by one with spline window 121, and passes pin-and-hole (122 and 214) through fixing pin 124 and fix; Then, first lock sheet 22 and second lock sheet 23 are inlaid in respectively in the rotational lock groove 211, and can laterally slide along eccentric circle cambered surface 212; Then; Chute (221,231) on first lock sheet 22 and second lock sheet 23 is stuck on the corresponding slide rail 111 of telescopic pipe 11 inside side walls; And push hard gently, chute (221,231) is slided along slide rail 111, little telescopic pipe 12 is contracted in the big telescopic pipe 11; At last, supporting 3 is passed little telescopic pipe 12, be installed on the telescopic pipe 11.
During use; The user at first firmly rotates little telescopic pipe 12; Driven rotary portion 21 rotates towards unclamping direction (Fig. 2 is for counterclockwise); Make first lock sheet 22 and second lock sheet 23 slide into the end that unclamps of rotational lock groove 211 respectively, first lock sheet 22 and second lock sheet, 23 outer surfaces and inside bottom surface are unclamped with little telescopic pipe 12 inside side walls and eccentric circle cambered surface 212 respectively, and big telescopic pipe 11 promptly is in releasing orientation with little telescopic pipe 12; Then, first lock sheet 22 and second lock sheet 23 drive big telescopic pipe 11 rotations through chute (221,231) and slide rail 111, in like manner make it go up a telescopic pipe again and unclamp, and so analogize, and the whole expansion device of the utility model is unclamped; Then, outwards pull out little telescopic pipe 12, chute (221,231) skids off on slide rail 111, each telescopic pipe is stretched out, until Len req; At last; Firmly rotate little telescopic pipe 12 again, driven rotary portion 21 rotates towards locking direction (Fig. 2 is a clockwise direction), makes first lock sheet 22 and second lock sheet 23 slide into the locking end of rotational lock groove 211 respectively; 212 lockings are connected first lock sheet 22 with the eccentric circle cambered surface with little telescopic pipe 12 inside side walls respectively with inside bottom surface with second lock sheet, 23 outer surfaces; Big telescopic pipe 11 promptly is in locking state with little telescopic pipe 12, in like manner makes it go up telescopic pipe locking again, so analogizes; Make the whole expansion device locking of the utility model, can use; Otherwise, by the above-mentioned steps reverse operating, can pack up whole expansion device, be convenient to collect and carry.
When said lock sheet is positioned at said when unclamping end (2111); Its outer surface and inside bottom surface are unclamped with said little telescopic pipe (12) inside side walls and eccentric circle cambered surface (212) respectively; When said lock sheet was positioned at said locking end (2112), locking was connected its outer surface with eccentric circle cambered surface (212) with said little telescopic pipe (12) inside side walls respectively with inside bottom surface
Like this, the whole operation process is simple, light, quick, solves firmly too small fully; Then bigger pipe is easy to get loose, locks not tight, and perhaps firmly excessive, deadlock phenomenon takes place then less pipe easily; Thereby cause unclamping, too much like hard work when withdrawing, even the problem that can't unclamp; And this expansion device is simple in structure, durable, beautiful shape, does not also receive the restriction of rapidoprint, and production and processing is more flexible, more convenient, satisfies various class (high third gear in the low) demand in market, the popularization in more favourable market, universal.In the whole operation process, the center of gravity of said first lock sheet 22 and second lock sheet 23 and the axle center of said rotary part (21) are located along the same line all the time, and big telescopic pipe 11 is balanced with little telescopic pipe 12 suffered coupling mechanism forces, and locking effect is better.
In addition; First lock sheet 22 and second lock sheet 23 are provided with spline sheet (222,232) towards a side of rotational lock groove 211 locking ends; When first lock sheet 22 and second lock sheet 23 slide to locking end 2112; Spline sheet (222,232) blocks and is pressed on the lateral margin of spline window 121; Utilize first lock sheet 22 and second lock sheet 23 and on spline sheet (222,232), spline window 121 fix the turn-button angular distance that telescopic pipe unclamps and locks; Prevent to exert oneself ambassador's first lock sheet 22 and second lock sheet 23 ejects and causes little telescopic pipe 12 to spin, ambassador's first lock sheet 22 of perhaps exerting oneself with second lock sheet 23 rotations excessively cause locked, unclamp with locking operation more easily, make things convenient for.
Certainly, said first lock sheet 22 and second lock sheet, 23 opposite sides also are provided with same spline sheet, and when first lock sheet 22 and second lock sheet 23 slide to when unclamping end 2111, this spline sheet blocks and is pressed on the opposite side rim of spline window 121.
Certainly; The described circumvolve lock set kit 2 of the utility model embodiment includes more than one lock sheet (22,23) at least; Correspondingly, said rotary part 21 is provided with the rotational lock groove 211 of respective numbers, and the inwall relevant position of the said telescopic pipe of every joint is provided with slide rail (111,123).
Shown in Fig. 1, Fig. 2 and Fig. 5:
One end of the said rotary part 21 of the utility model embodiment stretches out outside the little telescopic pipe 12; And which is provided with the 3rd lock sheet 24, this lock sheet 24 is a C shape lock sheet, and its inner surface is made up of two eccentric circle cambered surfaces (241,242); Rotary part 21 upper side walls are suitable with it; And rotation engages each other, and its structure and principle are identical with the C shape lock sheet structure of existing employing, repeat no more at this; Said C shape lock sheet 24 outer surfaces are provided with chute 243 with respect to the position of the slide rail 111 of big telescopic pipe 11; During installation; Chute 243 is stuck on the slide rail 111; Can further add the coupling mechanism force between powerful telescopic pipe 11 and the little telescopic pipe 12, and under the effect of the spline sheet (222,232) of first lock sheet 22 and second lock sheet 23, the excessive C of the making ring lock sheet 24 that guarantees not to exert oneself can be because of locking the time decreases ring and locked big telescopic pipes 11 and little telescopic pipes 12.
Above content is the further explain that combines concrete optimal technical scheme that the utility model is done, and can not assert that the practical implementation of the utility model is confined to these explanations.For the those of ordinary skill of technical field under the utility model, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be regarded as belonging to the protection domain of the utility model.
Claims (10)
1. continuous and adjustable device that is used for tripod; Include the flexible each other big telescopic pipe (11) and little telescopic pipe (12) that connects; And said big telescopic pipe (11) is circular pipe with little telescopic pipe (12); It is characterized in that: be provided with circumvolve lock set kit between said big telescopic pipe (11) and the little telescopic pipe (12), the tight mechanism of said twist lock includes the rotary part (21) that is fixed on said little telescopic pipe (12) one ends, and the above lock sheet of a slice at least; Said rotary part (21) circumferential side wall is provided with rotational lock groove (211); The bottom land of said rotational lock groove (211) is an eccentric circle cambered surface (212), forms to unclamp end (2111) and locking end (2112), and said lock sheet is located in the said rotational lock groove (211) slidably; When said lock sheet is positioned at said when unclamping end (2111); Its outer surface and inside bottom surface are unclamped with said little telescopic pipe (12) inside side walls and eccentric circle cambered surface (212) respectively, and when said lock sheet was positioned at said locking end (2112), locking was connected its outer surface with eccentric circle cambered surface (212) with said little telescopic pipe (12) inside side walls respectively with inside bottom surface.
2. a kind of continuous and adjustable device that is used for tripod according to claim 1; It is characterized in that: said little telescopic pipe (12) is provided with spline window (121); Said rotational lock groove (211) is corresponding one by one with said spline window (121); And said lock sheet is located in the said rotational lock groove (211) through said spline window (121), and stretches out said spline window (121).
3. a kind of continuous and adjustable device that is used for tripod according to claim 2; It is characterized in that: said lock sheet is provided with the spline sheet towards a side of said rotational lock groove (211) locking end; Opposite side is provided with another spline sheet; When said lock sheet slides to locking end (2112); Said spline sheet blocks and is pressed on the lateral margin of said spline window (121), and when said lock sheet slides to when unclamping end (2111), said another spline sheet blocks and is pressed on the opposite side rim of said spline window (121).
4. according to any one described a kind of continuous and adjustable device that is used for tripod in the claim 1 to 3; It is characterized in that: said big telescopic pipe (11) madial wall is provided with slide rail (111); Said lock sheet outer surface is provided with chute, and said chute is stuck on the said slide rail (111) slidably.
5. a kind of continuous and adjustable device that is used for tripod according to claim 4; It is characterized in that: also be provided with locating slot (213) and pin-and-hole (214) on the circumferential side wall of said rotary part (21); Said little telescopic pipe (12) inside side walls relevant position is provided with slide rail (123) and another pin-and-hole (122); Said locating slot (213) is stuck on the said slide rail (123), and passes said pin-and-hole (122,214) through fixing pin (124) and fix.
6. a kind of continuous and adjustable device that is used for tripod according to claim 5, it is characterized in that: said rotary part (21) is a cylindrical body, its size and said little telescopic pipe (12) are suitable.
7. a kind of continuous and adjustable device that is used for tripod according to claim 4; It is characterized in that: said lock sheet includes first lock sheet (22) and second lock sheet (23), and said rotary part (21) circumferential side wall is provided with and is respectively applied for the rotational lock groove (211) of placing said first lock sheet (22) and second lock sheet (23).
8. a kind of continuous and adjustable device that is used for tripod according to claim 7 is characterized in that: the center of gravity of said first lock sheet (22) and second lock sheet (23) and the axle center of said rotary part (21) are located along the same line.
9. according to any one described a kind of continuous and adjustable device that is used for tripod in claim 1 to 3 or 5 to 8; It is characterized in that: said rotary part (21) one ends stretch out outside the said little telescopic pipe (12); Which is provided with a C shape lock sheet (24); Said C shape lock sheet (24) inner surface is made up of two eccentric circle cambered surfaces (241,242), and suitable with said rotary part (21) sidewall and said eccentric circle cambered surface (241,242), and rotation engages each other.
10. according to any one described a kind of continuous and adjustable device that is used for tripod in claim 1 to 3 or 5 to 8; It is characterized in that: this expansion device also includes a supporting (3); Said supporting (3) is an annulus, interconnects through worm structure and said big telescopic pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201370784U CN202531571U (en) | 2012-04-01 | 2012-04-01 | Continuous stretching device for tripod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201370784U CN202531571U (en) | 2012-04-01 | 2012-04-01 | Continuous stretching device for tripod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202531571U true CN202531571U (en) | 2012-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201370784U Expired - Lifetime CN202531571U (en) | 2012-04-01 | 2012-04-01 | Continuous stretching device for tripod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202531571U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606576A (en) * | 2012-04-01 | 2012-07-25 | 聂锦明 | Continuous telescopic device for tripod |
| CN104595310A (en) * | 2015-01-23 | 2015-05-06 | 刘小群 | Telescopic locking device |
| CN104613287A (en) * | 2014-12-09 | 2015-05-13 | 苏州佳世达电通有限公司 | Adjustable supporting device |
-
2012
- 2012-04-01 CN CN2012201370784U patent/CN202531571U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606576A (en) * | 2012-04-01 | 2012-07-25 | 聂锦明 | Continuous telescopic device for tripod |
| CN102606576B (en) * | 2012-04-01 | 2014-02-12 | 聂锦明 | Continuous telescopic device for tripod |
| CN104613287A (en) * | 2014-12-09 | 2015-05-13 | 苏州佳世达电通有限公司 | Adjustable supporting device |
| CN104595310A (en) * | 2015-01-23 | 2015-05-06 | 刘小群 | Telescopic locking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121114 Effective date of abandoning: 20140212 |
|
| RGAV | Abandon patent right to avoid regrant |