CN204140576U - A kind of Novel foot pipe shrinking structure - Google Patents
A kind of Novel foot pipe shrinking structure Download PDFInfo
- Publication number
- CN204140576U CN204140576U CN201420503711.6U CN201420503711U CN204140576U CN 204140576 U CN204140576 U CN 204140576U CN 201420503711 U CN201420503711 U CN 201420503711U CN 204140576 U CN204140576 U CN 204140576U
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- CN
- China
- Prior art keywords
- clamping
- overcoat
- sleeve
- lock sleeve
- foot pipe
- 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 - Lifetime
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- 230000003467 diminishing effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Supports For Pipes And Cables (AREA)
Abstract
The utility model discloses a kind of Novel foot pipe shrinking structure, comprise the first body, second body and can first be locked, the rotary-tightening device of the second body, rotary-tightening device comprises clamping overcoat and inner clamping sleeve, be set on the second body end outside described clamping and can rotate around the second body, and this clamping overcoat external diameter is corresponding with the first internal diameter of tube body, described inner clamping sleeve is fixedly installed on above clamping overcoat, concave profile structure is provided with inside clamping overcoat, concave profile structure and the second tube wall form one and reduce key joint gradually, it is an outer arcuate face structure outside inner clamping sleeve, rotate the first body or the second body, the outer arcuate face structure wedging of inner clamping sleeve is to this key joint, extruding clamping overcoat spreading compresses the first inboard wall of tube body, i.e. lockable first body and the second body, whole locking mechanism is simple, reliably.
Description
Technical field
The utility model relates to a kind of Novel foot pipe shrinking structure.
Background technique
Some liftings/foot rest is as in tripod, Monopod, alpin-stock etc., usually its pin Guan Jun is set to scalable regulation structure, one second body is normally placed in the structure of the first body by traditional locking mechanism, by arranging a Fastening mechanism between the first body and the second body, first body and the second body can be locked, to reach the object of telescopic adjustment, but such Tensioning structure complexity comparatively, and reliability is low.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of Novel foot pipe shrinking structure.
The utility model solves the technological scheme that its technical problem adopts:
A kind of Novel foot pipe shrinking structure, comprise the first body, to be located in the first body and can along the first body the second body and the rotary-tightening device of the first body and the second body can be locked in axial sliding, it is characterized in that: described rotary-tightening device comprises: clamping overcoat and inner clamping sleeve, be set on the second body end outside described clamping and can rotate around the second body, and this clamping overcoat external diameter is corresponding with the first internal diameter of tube body, described inner clamping sleeve is fixedly installed on above clamping overcoat, concave profile structure is provided with inside described clamping overcoat, and concave profile structure and the second tube wall form one reduces key joint gradually, it is an outer arcuate face structure outside described inner clamping sleeve, this outer arcuate face structure can be wedged to this key joint, and extruding clamping overcoat compresses the first inboard wall of tube body, with locked first body and the second body.
Described first inboard wall of tube body projection is provided with the raised line extended along the first tube length direction, put outside described clamping and offer the draw-in groove corresponding with raised line, described clamping overcoat is spacing with coordinating of draw-in groove by raised line, and clamping overcoat is rotated with the first body.
Be provided with a protruding block inside described inner clamping sleeve, described second body is provided with the mounting hole corresponding with this protruding block.
Described rotary-tightening device also comprises: the first lock sleeve, second lock sleeve, described first lock sleeve is arranged on inside the first body end, be fixed to outside described first lock sleeve on the tube wall of the first body, the first arc shaped surface structure is provided with inside described first lock sleeve, described second lock sleeve is sheathed and be fixed on outside the second body end, the second arc shaped surface structure is had in the second lock sleeve arranged outside, a diminishing crack is formed between described first arc shaped surface structure and the outer wall of the second body, described second arc shaped surface structure can slip into this crack and be clamped, namely the first arc shaped surface structure and the second arc shaped surface structure compress mutually with locked first body and the second body.
Described first lock sleeve arranged outside has raised pin, the tube wall of described first body end offers the positioning hole corresponding with raised pin, is provided with projection inside described second lock sleeve, and the tube wall of described second body end offers the slotted eye corresponding with projection.
Described clamping overcoat is limited to be arranged between the second lock sleeve and inner clamping sleeve, and formed between the second lock sleeve and inner clamping sleeve can for clamping the rotary spacing space that overcoat rotates.
The beneficial effects of the utility model are: a kind of Novel foot pipe shrinking structure, comprise the first body, to be located in the first body and can along the first body the second body and the rotary-tightening device of the first body and the second body can be locked in axial sliding, described rotary-tightening device comprises clamping overcoat and inner clamping sleeve, be set on the second body end outside described clamping and can rotate around the second body, and this clamping overcoat external diameter is corresponding with the first internal diameter of tube body, described inner clamping sleeve is fixedly installed on above clamping overcoat, concave profile structure is provided with inside described clamping overcoat, and concave profile structure and the second tube wall form one reduces key joint gradually, it is an outer arcuate face structure outside described inner clamping sleeve, rotate the first body or the second body, the outer arcuate face structure wedging of inner clamping sleeve is to this key joint, extruding clamping overcoat spreading compresses the first inboard wall of tube body, i.e. lockable first body and the second body, whole locking mechanism is simple, reliably.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is one of decomposing schematic representation of the present utility model;
Fig. 3 is decomposing schematic representation two of the present utility model;
Fig. 4 is the cooperation schematic diagram of clamping overcoat of the present utility model and inner clamping sleeve;
Fig. 5 is the generalized section of Fig. 4;
Fig. 6 is the cooperation schematic diagram of the first lock sleeve of the present utility model and the second lock sleeve;
Fig. 7 is the generalized section of Fig. 6.
Embodiment
Referring to figs. 1 through Fig. 7, Fig. 1 to Fig. 7 is the structural representation of the utility model specific embodiment, as shown in the figure, a kind of Novel foot pipe shrinking structure, comprise the first body 1, to be located in the first body 1 and can along the first body 1 second body 2 and rotary-tightening device of the first body 1 and the second body 2 can be locked in axial sliding, described rotary-tightening device comprises: clamping overcoat 33 and inner clamping sleeve 34, described clamping overcoat 33 is arranged on the second body 2 end and can rotates around the second body 2, and this clamping overcoat 33 external diameter is corresponding with the first body 1 internal diameter, described inner clamping sleeve 34 is fixedly installed on above clamping overcoat 33, concave profile structure 43 is provided with inside described clamping overcoat 33, and concave profile structure 43 and the second body 2 outer wall form one reduces key joint gradually, be an outer arcuate face structure 44 corresponding with this key joint outside described inner clamping sleeve 34, rotate the first body 1 or the second body 2, the outer arcuate face structure 44 of inner clamping sleeve 34 is wedged to this key joint, extruding clamping overcoat 33 spreading compresses the first body 1 inwall, get final product locked first body 1 and the second body 2 in arbitrary position, telescopic adjustment is very easy, and locking mechanism is simple, reliably, firmly.
As shown in the figure, described first body 1 inwall projection is provided with the raised line 12 extended along the first body 1 length direction, described clamping overcoat 33 offers the draw-in groove 332 corresponding with raised line 12, described clamping overcoat 33 is spacing with coordinating of draw-in groove 332 by raised line 12, and clamping overcoat 33 is rotated with the first body 1, certainly in specific implementation process, raised line 12 and draw-in groove 332 also can not be set, driven by the frictional force between the first body 1 inwall and clamping overcoat 33 and clamp overcoat 33 and rotate with the first body 1, and lock.
As shown in the figure, the protruding block 341 that a cross section is triangle, square or other abnormal shapes is provided with inside described inner clamping sleeve 34, described second body 2 is provided with the mounting hole 22 corresponding with this protruding block 341, with coordinating of mounting hole 22, inner clamping sleeve 34 is fixed to the second body 2 end by protruding block 341.
In the present embodiment, the concave profile structure 43 of clamping overcoat 33 arranges two groups with outer arcuate face structure 44 symmetry of inner clamping sleeve 34, be symmetrical arranged between two, what make to lock more is solid and reliable, certainly in specific implementation process, for strengthening the intensity of locking further, also the quantity of arc shaped surface structure can be set to three groups or many groups, not describe in detail one by one at this.
As shown in the figure, for strengthening locking mechanism further, described rotary-tightening device also comprises: the first lock sleeve 31, second lock sleeve 32, described first lock sleeve 31 is arranged on inside the first body 1 end, be fixed to outside described first lock sleeve 31 on the tube wall of the first body 1, the first arc shaped surface structure 41 is provided with inside described first lock sleeve 31, described second lock sleeve 32 is sheathed and be fixed on outside the second body 2 end, the second arc shaped surface structure 42 is had in the second lock sleeve 32 arranged outside, a diminishing crack is formed between described first arc shaped surface structure 41 and the outer wall of the second body 2, described second arc shaped surface structure 42 can slip into this crack and be clamped, namely the first arc shaped surface structure 41 and the second arc shaped surface structure 42 compress mutually with locked first body 1 and the second body 2, first lock sleeve 31 and the second lock sleeve 32 coordinate formation first locking point, inner clamping sleeve 34 coordinates formation second locking point with clamping overcoat 33, two one high and one low corresponding matching of locking point, make the locking of the first body 1 or the second body 2 more reliable, firmly.
As shown in the figure, described first lock sleeve 31 arranged outside has raised pin 311, the tube wall of described first body 1 end offers the positioning hole 11 corresponding with raised pin 311, and described first lock sleeve 31 is fixed to the first body 1 end by raised pin 311 with coordinating of positioning hole 11; Projection 321 is provided with inside described second lock sleeve 32, the tube wall of described second body 2 end offers the slotted eye 21 corresponding with projection 321, described second lock sleeve 32 is fixed to the second body 2 end by projection 321 with coordinating of slotted eye 21, described clamping overcoat 33 is limited to be arranged between the second lock sleeve 32 and inner clamping sleeve 34, and formed between the second lock sleeve 32 and inner clamping sleeve 34 can for clamping the rotary spacing space that overcoat 33 rotates.
Above better enforcement of the present utility model is illustrated; certainly; the utility model can also adopt form different from the embodiment described above; the equivalent conversion that those of ordinary skill in the art do under the prerequisite without prejudice to spirit of the present invention or change accordingly, all should belong in protection domain of the present utility model.
Claims (6)
1. a Novel foot pipe shrinking structure, comprise the first body (1), to be located in the first body (1) and can along the first body (1) the second body (2) and the rotary-tightening device of the first body (1) and the second body (2) can be locked in axial sliding, it is characterized in that: described rotary-tightening device comprises: clamping overcoat (33) and inner clamping sleeve (34), described clamping overcoat (33) is arranged on the second body (2) end and can rotates around the second body (2), and this clamping overcoat (33) external diameter is corresponding with the first body (1) internal diameter, described inner clamping sleeve (34) is fixedly installed on clamping overcoat (33) top, described clamping overcoat (33) inner side is provided with concave profile structure (43), and concave profile structure (43) and the second body (2) outer wall form one reduces key joint gradually, described inner clamping sleeve (34) outside is outer arcuate face structure (44), this outer arcuate face structure (44) can be wedged to this key joint, and extruding clamping overcoat (33) compresses the first body (1) inwall, with locked first body (1) and the second body (2).
2. a kind of Novel foot pipe shrinking structure according to claim 1, it is characterized in that: described first body (1) inwall projection is provided with the raised line (12) extended along the first body (1) length direction, described clamping overcoat (33) offers the draw-in groove (332) corresponding with raised line (12), described clamping overcoat (33) is spacing with coordinating of draw-in groove (332) by raised line (12), and clamping overcoat (33) is rotated with the first body (1).
3. a kind of Novel foot pipe shrinking structure according to claim 2, it is characterized in that: described inner clamping sleeve (34) inner side is provided with a protruding block (341), and described second body (2) is provided with the mounting hole (22) corresponding with this protruding block (341).
4. a kind of Novel foot pipe shrinking structure according to claim 1, it is characterized in that: described rotary-tightening device also comprises: the first lock sleeve (31), second lock sleeve (32), described first lock sleeve (31) is arranged on inside the first body (1) end, described first lock sleeve (31) outside is fixed on the tube wall of the first body (1), described first lock sleeve (31) inner side is provided with the first arc shaped surface structure (41), described second lock sleeve (32) is sheathed and be fixed on outside the second body (2) end, the second arc shaped surface structure (42) is had in the second lock sleeve (32) arranged outside, a diminishing crack is formed between described first arc shaped surface structure (41) and the outer wall of the second body (2), described second arc shaped surface structure (42) can slip into this crack and be clamped, namely the first arc shaped surface structure (41) and the second arc shaped surface structure (42) compress mutually with locked first body (1) and the second body (2).
5. a kind of Novel foot pipe shrinking structure according to claim 4, it is characterized in that: described first lock sleeve (31) arranged outside has raised pin (311), the tube wall of described first body (1) end offers the positioning hole (11) corresponding with raised pin (311), described second lock sleeve (32) inner side is provided with projection (321), and the tube wall of described second body (2) end offers the slotted eye (21) corresponding with projection (321).
6. a kind of Novel foot pipe shrinking structure according to claim 4, it is characterized in that: described clamping overcoat (33) is limited to be arranged between the second lock sleeve (32) and inner clamping sleeve (34), and formed between the second lock sleeve (32) and inner clamping sleeve (34) can for clamping the rotary spacing space that overcoat (33) rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420503711.6U CN204140576U (en) | 2014-09-02 | 2014-09-02 | A kind of Novel foot pipe shrinking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420503711.6U CN204140576U (en) | 2014-09-02 | 2014-09-02 | A kind of Novel foot pipe shrinking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204140576U true CN204140576U (en) | 2015-02-04 |
Family
ID=52417263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420503711.6U Expired - Lifetime CN204140576U (en) | 2014-09-02 | 2014-09-02 | A kind of Novel foot pipe shrinking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204140576U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653561A (en) * | 2015-02-15 | 2015-05-27 | 张雪峰 | Retractable locking device and retractable rod with retractable locking device |
| WO2018024045A1 (en) * | 2016-08-04 | 2018-02-08 | 中山日高精密工业有限公司 | Telescopic tube and camera support provided with telescopic tube |
-
2014
- 2014-09-02 CN CN201420503711.6U patent/CN204140576U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653561A (en) * | 2015-02-15 | 2015-05-27 | 张雪峰 | Retractable locking device and retractable rod with retractable locking device |
| WO2018024045A1 (en) * | 2016-08-04 | 2018-02-08 | 中山日高精密工业有限公司 | Telescopic tube and camera support provided with telescopic tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528400 No. 1 Shuguang Road, the first industrial zone, Tanzhou Town, Zhongshan, Guangdong Patentee after: Guangdong Futubao Image Industry Co.,Ltd. Address before: 528400 No. 1 Shuguang Road, the first industrial zone, Tanzhou Town, Zhongshan, Guangdong Patentee before: Zhongshan Nikow Precision Industrial Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150204 |