CN103574242B - Telescopic device of camera tripod - Google Patents
Telescopic device of camera tripod Download PDFInfo
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- CN103574242B CN103574242B CN201310565674.1A CN201310565674A CN103574242B CN 103574242 B CN103574242 B CN 103574242B CN 201310565674 A CN201310565674 A CN 201310565674A CN 103574242 B CN103574242 B CN 103574242B
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- pipe box
- sleeve
- backstop
- telescopic device
- setting sleeve
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Abstract
The present invention discloses a kind of telescopic device of camera tripod, and it is for connecting the first pipe box and the second pipe box.Telescopic device of camera tripod comprises connecting sleeve, setting sleeve, backstop cover and rotary sleeve.One end of connecting sleeve to be stretched in the first pipe box and is fixed with the first pipe box, and the other end to stretch in the second pipe box and can move axially in the second pipe box.Second pipe box to stretch in setting sleeve and fixes with setting sleeve.Backstop cover is sheathed between the first pipe box and setting sleeve.Rotary sleeve is sheathed on setting sleeve and overlaps with backstop and locates.When rotation rotary sleeve makes rotary sleeve move towards the direction near the second pipe box, backstop cover is held between the first pipe box and setting sleeve to clamp the first pipe box.When rotation rotary sleeve makes rotary sleeve move towards the direction away from the second pipe box, the first pipe box can stretch along the axial direction of the second pipe box.Telescopic device of camera tripod provided by the invention, adopt without pad linkage structure, the first pipe box is firmly connected with the second pipe box, and simple to operate.
Description
Technical field
The present invention relates to foot stool for camera, particularly relate to a kind of telescopic device of camera tripod.
Background technique
In prior art, the foot rest of projection camera is connected to form telescopic tripod structure by some pipe sleeves usually.Usually adopt C shape pad to add cam structure between often adjacent 2-section pipe cover to carry out connecting and locking.This kind of locking mode, if user is firmly excessive, the phenomenon that C shape pad easily spins in pipe box, thus cause cannot by 2-section pipe cover locking.And when receiving described foot rest, described C shape pad easily comes off, thus pipe box cannot be locked when causing use next time.Meanwhile, if there are sandstone to enter in pipe box, described C shape pad is easily damaged due to the extruding being subject to sandstone.
Summary of the invention
The object of the present invention is to provide a kind of telescopic device of camera tripod, the Placement without pad is adopted between adjacent 2-section pipe cover, the firm connection between adjacent 2-section pipe cover can be realized, simultaneously, flexible and locking operation between 2-section pipe cover is simple and convenient, brings convenience to the use of user.
For solving the problems of the technologies described above, the invention provides following technological scheme:
Provide a kind of telescopic device of camera tripod, it is for connecting the first pipe box and the second pipe box.Described telescopic device of camera tripod comprises connecting sleeve, setting sleeve, backstop cover and rotary sleeve.One end of described connecting sleeve to be stretched in described first pipe box and is fixed with described first pipe box, and the other end of described connecting sleeve to stretch in described second pipe box and can move axially in described second pipe box.Described second pipe box to stretch in described setting sleeve and fixes with described setting sleeve.Described backstop cover is sheathed between described first pipe box and described setting sleeve.Described rotary sleeve is sheathed on described setting sleeve and overlaps with described backstop and locates.When rotating described rotary sleeve and making described rotary sleeve move towards the direction near described second pipe box along described setting sleeve, described backstop cover moves axially towards the direction near described second pipe box and is held between described first pipe box and described setting sleeve, and described first pipe box is clamped in radial direction.When rotating described rotary sleeve and making described rotary sleeve move towards the direction away from described second pipe box along described setting sleeve, described backstop cover moves axially towards the direction away from described second pipe box, thus described first pipe box can be stretched along the axial direction of described second pipe box.
Preferably, be provided with positioning part in described setting sleeve, described positioning part is protruded along the circumferencial direction radial direction of described setting sleeve and is extended to form, and described second pipe box backstop is in described positioning part and fix with described setting sleeve.
Preferably, the interior described positioning part without leave of described setting sleeve progressively expands along the end of described setting sleeve away from described second pipe box, the outer described backstop cover without leave of described backstop cover progressively reduces towards the one end near described second pipe box away from one end of described second pipe box, the described outer surface of backstop cover and the internal surface smooth contact of described setting sleeve.
Preferably, the circumferencial direction that the outer surface of described backstop cover overlaps along described backstop is provided with groove, the internal surface of described rotary sleeve is convexly equipped with projection along the circumferencial direction of described rotary sleeve, and described projection is contained in described groove so that described backstop cover is positioned described rotary sleeve.
Preferably, described backstop is arranged with multiple opening slot, and described opening slot extends to the internal surface of described backstop cover from the outer surface that described backstop is overlapped.
Preferably, the outer surface of described connecting sleeve is convexly equipped with boss in the circumferencial direction of described connecting sleeve, and described first pipe box is stretched in one end of described connecting sleeve makes described first pipe box backstop in described boss, and described boss backstop is in described backstop cover.
Preferably, described first pipe box is fixedly connected with by screw thread with described connecting sleeve.
Preferably, be threaded connection between described setting sleeve and described rotary sleeve.
Preferably, the internal surface of described second pipe box is convexly equipped with multiple positioning strip, and the outer surface of described connecting sleeve is provided with multiple locating slot, and described positioning strip is contained in described locating slot respectively.
Preferably, the two ends of described rotary sleeve are convexly equipped with multiple raised line respectively along the circumferencial direction of described rotary sleeve, and described raised line is uniformly distributed in the circumferencial direction of described rotary sleeve.
As can be seen here, telescopic device of camera tripod provided by the invention, adopts without pad linkage structure, and to achieve between the first pipe box with the second pipe box firm is connected, and improves the stability of foot stool for camera performance.Meanwhile, telescopic device of camera tripod provided by the invention is simple to operation, brings convenience to the use of Consumer.
Accompanying drawing explanation
In order to be illustrated more clearly in technological scheme of the present invention, be briefly described to the accompanying drawing used required in mode of execution below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained as these accompanying drawings.
Fig. 1 is the schematic diagram of the foot stool for camera that embodiment of the present invention provides;
Fig. 2 is the enlarged diagram of circle II part in Fig. 1;
Fig. 3 is the decomposing schematic representation of circle II part in Fig. 1;
Fig. 4 is the sectional view of circle II part in Fig. 1;
Fig. 5 is the sectional view of setting sleeve in Fig. 3;
Fig. 6 is that Fig. 3 stops interstage sleeve schematic diagram;
Fig. 7 is the sectional view of rotary sleeve in Fig. 3; And
Fig. 8 is the schematic diagram of connecting sleeve in Fig. 3.
Embodiment
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technological scheme in embodiment of the present invention is clearly and completely described.
As shown in Figure 1, the foot stool for camera 200 that embodiment of the present invention provides comprises multiple support 100, and each support 100 is connected to form by multiple pipe box, connects location between two often adjacent pipe boxes by a telescopic device of camera tripod 20.In present embodiment, described foot stool for camera 200 comprises three supports 100, in tripod structure.
In present embodiment, for illustrate simple for the purpose of, two often adjacent pipe boxes are defined as respectively the first pipe box 30 and the second pipe box 40.
Referring to Fig. 2 and Fig. 3, the telescopic device of camera tripod 20 that embodiment of the present invention provides is for connecting described first pipe box 30 and described second pipe box 40.Described telescopic device of camera tripod 20 comprises connecting sleeve 21, setting sleeve 22, backstop cover 23 and rotary sleeve 24.During installation, one end of described connecting sleeve 21 to be stretched in described first pipe box 30 and is fixed with described first pipe box 30, and the other end of described connecting sleeve 21 to stretch in described second pipe box 40 and can move axially in described second pipe box 40.It is interior and fixing with described setting sleeve 22 that described second pipe box 40 stretches into described setting sleeve 22.Described backstop cover 23 is sheathed between described first pipe box 30 and described setting sleeve 22, and described rotary sleeve 24 is sheathed on described setting sleeve 22 and overlaps 23 with described backstop and locates.
When rotating described rotary sleeve 24 and making described rotary sleeve 24 move towards the direction near described second pipe box 40 along described setting sleeve 22, described backstop cover 23 moves axially towards the direction near described second pipe box 40 and is held between described first pipe box 30 and described setting sleeve 22, and described first pipe box 30 is clamped in radial direction.
When rotating described rotary sleeve 24 and making described rotary sleeve 24 move towards the direction away from described second pipe box 40 along described setting sleeve 22, described backstop cover 23 moves axially towards the direction away from described second pipe box 40, and described first pipe box 30 can stretch along the axial direction of described second pipe box 40.
In other words, when rotating described rotary sleeve 24 in the counterclockwise direction, the rotary motion of described rotary sleeve 24 is converted to and moves axially, thus drive described backstop to overlap 23 to insert between described first pipe boxes 30 and described setting sleeve 22 and to extrude described first pipe box 30 and described setting sleeve 22 simultaneously, thus the first pipe box 30 of progressively tying tight makes described first pipe box 30 and described second pipe box 40 be locked.When being rotated in a clockwise direction described rotary sleeve 24, described backstop cover 23 departs between described first pipe box 30 and described setting sleeve 22, now, the coupling mechanism force of described first pipe box 30 and described second pipe box 40 radial direction is removed, and makes described first pipe box 30 can along described second pipe box 40 axial direction telescopic moving.
Telescopic device of camera tripod 20 provided by the invention, by arranging connecting sleeve 21 between described first pipe box 30 and described second pipe box 40, setting sleeve 22, backstop overlaps 23 and rotary sleeve 24, when the fixing described foot stool for camera 200 of needs, only need rotate described rotary sleeve 24, just can realize the locking and positioning between the first pipe box 30 and the second pipe box 40.When needing flexible described foot stool for camera 200 to regulate the height of foot stool for camera 200, only need to rotate rotary sleeve 24, the positioning instant removed between the first pipe box 30 and the second pipe box 40 can.
As can be seen here, telescopic device of camera tripod 20 provided by the invention, adopts without pad linkage structure, and to achieve between the first pipe box 30 with the second pipe box 40 firm is connected, and improves the stability of foot stool for camera 200 performance.
Meanwhile, telescopic device of camera tripod 20 provided by the invention is simple to operation, brings convenience to the use of Consumer.
Please refer to Fig. 5, particularly, be provided with positioning part 221 in described setting sleeve 22, described positioning part 221 extends to form along the circumferencial direction radial direction protrusion of described setting sleeve 22.During installation, described second pipe box 40 backstop is in described positioning part 221 and fix with described setting sleeve 22, as shown in Figure 4.
In present embodiment, the interior described positioning part 221 without leave of described setting sleeve 22 progressively expands along the end of described setting sleeve 22 away from described second pipe box 40.Correspondingly, referring to Fig. 6, the outer described backstop cover 23 without leave of described backstop cover 23 progressively reduces towards the one end near described second pipe box 40 away from one end of described second pipe box 40.During installation, the described backstop cover outer surface of 23 and the internal surface smooth contact of described setting sleeve 22, as shown in Figure 4.
When described first pipe box 30 and described second pipe box 40 need be locked, due in described setting sleeve 22 without leave described positioning part 221 progressively expand along the end of described setting sleeve 22, the direction of insertion making the space between described first pipe box 30 and described setting sleeve 22 overlap 23 along described backstop progressively reduces.Therefore, when described backstop cover 23 is towards when inserting between described first pipe box 30 and described setting sleeve 22 near the direction of described second pipe box 40, again because the external diameter of described backstop cover 23 is progressively increase along described direction of insertion, described backstop cover 23 progressively extrudes described first pipe box 30 makes described first pipe box 30 be tied tight in radial direction, thus reaches the object of described first pipe box 30 of locking and described second pipe box 40.
On the contrary, when described backstop cover 23 departs between described first pipe box 30 and described setting sleeve 22 towards the direction away from described second pipe box 40, described first pipe box 30 is removed in the extruding force of radial direction, thus makes described first pipe box 30 can along the axial direction telescopic moving of described second pipe box 40.
In present embodiment, the outer surface of described backstop cover 23 is provided with groove 231 along the circumferencial direction of described backstop cover 23, and the internal surface of described rotary sleeve 24 is convexly equipped with projection 241 along the circumferencial direction of described rotation, as shown in Figure 7.During installation, described projection 241 is contained in so that described backstop cover 23 is positioned described rotary sleeve 24 in described groove 231, as shown in Figure 4.When described rotary sleeve 24 moves axially along described setting sleeve 22, described backstop cover 23 also moves axially with rotary sleeve 24.
Further, described backstop cover 23 is provided with multiple opening slot 232, and described opening slot 232 extends to the internal surface of described backstop cover 23 from the outer surface of described backstop cover 23.The setting of described opening slot 232, can strengthen the elasticity of backstop cover 23, thus strengthen the first pipe box 30 and the stability be connected between described second pipe box 40.
Please refer to Fig. 8, in present embodiment, the outer surface of described connecting sleeve 21 is convexly equipped with boss 211 in the circumferencial direction of described connecting sleeve 21.During installation, described first pipe box 30 is stretched in one end of described connecting sleeve 21 makes described first pipe box 30 backstop in described boss 211, and described boss 211 backstop overlaps 23 in described backstop, as shown in Figure 4.
In other words, the maximum outside diameter of described connecting sleeve 21 is greater than the external diameter of described first pipe box 30, thus makes backstop overlap connecting sleeve 21 described in 23 backstops to be separated with described second pipe box 40 to prevent described first pipe box 30.
In present embodiment, described first pipe box 30 is fixedly connected with by screw thread with described connecting sleeve 21.In other embodiments, described first pipe box 30 also can be achieved a fixed connection by tackiness agent with described connecting sleeve 21.
In present embodiment, be threaded connection between described setting sleeve 22 and described rotary sleeve 24, thus make the rotary motion of described rotary sleeve 24 be converted to moving axially along described setting sleeve 22.
Further, the internal surface of described second pipe box 40 is convexly equipped with multiple positioning strip 41, the outer surface of described connecting sleeve 21 is provided with multiple locating slot 212, described positioning strip 41 is contained in limit described first pipe box 30 relative to the second pipe box 40 in the rotation of circumferencial direction in described locating slot 212 respectively, as shown in Figure 4.
Please refer to Fig. 7, as a further improvement on the present invention, the two ends of described rotary sleeve 24 are convexly equipped with multiple raised line 242 respectively along the circumferencial direction of described rotary sleeve 24, and described raised line 242 is uniformly distributed in the circumferencial direction of described rotary sleeve 24.The setting of described raised line 242, can improve the frictional force between Consumer and described rotary sleeve 24, avoids occurring skidding when rotating rotary sleeve 24, can improve the experience of Consumer.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a telescopic device of camera tripod, for connecting the first pipe box and the second pipe box, it is characterized in that, described telescopic device of camera tripod comprises connecting sleeve, setting sleeve, backstop cover and rotary sleeve, one end of described connecting sleeve to be stretched in described first pipe box and is fixed with described first pipe box, the other end of described connecting sleeve stretches in described second pipe box and also can move axially in described second pipe box, described second pipe box to stretch in described setting sleeve and fixes with described setting sleeve, described backstop cover is sheathed between described first pipe box and described setting sleeve, described rotary sleeve is sheathed on described setting sleeve and overlaps with described backstop and locates, when rotating described rotary sleeve and making described rotary sleeve move towards the direction near described second pipe box along described setting sleeve, described backstop cover moves axially towards the direction near described second pipe box and is held between described first pipe box and described setting sleeve, described first pipe box is clamped in radial direction, when rotating described rotary sleeve and making described rotary sleeve move towards the direction away from described second pipe box along described setting sleeve, described backstop cover moves axially towards the direction away from described second pipe box, thus described first pipe box can be stretched along the axial direction of described second pipe box.
2. telescopic device of camera tripod as claimed in claim 1, it is characterized in that, be provided with positioning part in described setting sleeve, described positioning part is protruded along the circumferencial direction radial direction of described setting sleeve and is extended to form, and described second pipe box backstop is in described positioning part and fix with described setting sleeve.
3. telescopic device of camera tripod as claimed in claim 2, it is characterized in that, the interior described positioning part without leave of described setting sleeve progressively expands along the end of described setting sleeve away from described second pipe box, the outer described backstop cover without leave of described backstop cover progressively reduces towards the one end near described second pipe box away from one end of described second pipe box, the described outer surface of backstop cover and the internal surface smooth contact of described setting sleeve.
4. telescopic device of camera tripod as claimed in claim 1, it is characterized in that, the circumferencial direction that the outer surface of described backstop cover overlaps along described backstop is provided with groove, the internal surface of described rotary sleeve is convexly equipped with projection along the circumferencial direction of described rotary sleeve, and described projection is contained in described groove so that described backstop cover is positioned described rotary sleeve.
5. telescopic device of camera tripod as claimed in claim 1, it is characterized in that, described backstop is arranged with multiple opening slot, and described opening slot extends to the internal surface of described backstop cover from the outer surface that described backstop is overlapped.
6. telescopic device of camera tripod as claimed in claim 1, it is characterized in that, the outer surface of described connecting sleeve is convexly equipped with boss in the circumferencial direction of described connecting sleeve, described first pipe box is stretched in one end of described connecting sleeve makes described first pipe box backstop in described boss, and described boss backstop is in described backstop cover.
7. telescopic device of camera tripod as claimed in claim 1, it is characterized in that, described first pipe box is fixedly connected with by screw thread with described connecting sleeve.
8. telescopic device of camera tripod as claimed in claim 1, is characterized in that, be threaded connection between described setting sleeve and described rotary sleeve.
9. telescopic device of camera tripod as claimed in claim 1, it is characterized in that, the internal surface of described second pipe box is convexly equipped with multiple positioning strip, and the outer surface of described connecting sleeve is provided with multiple locating slot, and described positioning strip is contained in described locating slot respectively.
10. telescopic device of camera tripod as claimed in claim 1, is characterized in that, the two ends of described rotary sleeve are convexly equipped with multiple raised line respectively along the circumferencial direction of described rotary sleeve, and described raised line is uniformly distributed in the circumferencial direction of described rotary sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310565674.1A CN103574242B (en) | 2013-11-13 | 2013-11-13 | Telescopic device of camera tripod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310565674.1A CN103574242B (en) | 2013-11-13 | 2013-11-13 | Telescopic device of camera tripod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103574242A CN103574242A (en) | 2014-02-12 |
| CN103574242B true CN103574242B (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310565674.1A Active CN103574242B (en) | 2013-11-13 | 2013-11-13 | Telescopic device of camera tripod |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107087423B (en) * | 2016-12-28 | 2019-03-15 | 深圳市大疆灵眸科技有限公司 | Supporting arm assembly and holder with the supporting arm assembly |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0921408A (en) * | 1995-02-27 | 1997-01-21 | Chicago Steel Tape Co | Quick release type fixing device for expansion-contraction member |
| JPH10252723A (en) * | 1997-03-12 | 1998-09-22 | Teruyuki Kaneshiro | Joint fixing structure for expansion type pole |
| CN2833309Y (en) * | 2005-10-10 | 2006-11-01 | 陈庆元 | Tripod |
| CN201259078Y (en) * | 2008-09-19 | 2009-06-17 | 陈庆元 | Novel foot rest locking device |
| CN201391723Y (en) * | 2009-03-31 | 2010-01-27 | 中山豪骏精密压铸有限公司 | Locking device for tripod foot tube |
| CN202082566U (en) * | 2011-06-07 | 2011-12-21 | 张奉果 | Locking mechanism between pin tubes of tripod |
| CN203549318U (en) * | 2013-11-13 | 2014-04-16 | 深圳市马小路科技有限公司 | Telescopic device of camera tripod |
-
2013
- 2013-11-13 CN CN201310565674.1A patent/CN103574242B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0921408A (en) * | 1995-02-27 | 1997-01-21 | Chicago Steel Tape Co | Quick release type fixing device for expansion-contraction member |
| JPH10252723A (en) * | 1997-03-12 | 1998-09-22 | Teruyuki Kaneshiro | Joint fixing structure for expansion type pole |
| CN2833309Y (en) * | 2005-10-10 | 2006-11-01 | 陈庆元 | Tripod |
| CN201259078Y (en) * | 2008-09-19 | 2009-06-17 | 陈庆元 | Novel foot rest locking device |
| CN201391723Y (en) * | 2009-03-31 | 2010-01-27 | 中山豪骏精密压铸有限公司 | Locking device for tripod foot tube |
| CN202082566U (en) * | 2011-06-07 | 2011-12-21 | 张奉果 | Locking mechanism between pin tubes of tripod |
| CN203549318U (en) * | 2013-11-13 | 2014-04-16 | 深圳市马小路科技有限公司 | Telescopic device of camera tripod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103574242A (en) | 2014-02-12 |
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