CN201396351Y - Locking device of expansion pipe - Google Patents
Locking device of expansion pipe Download PDFInfo
- Publication number
- CN201396351Y CN201396351Y CN2009201197632U CN200920119763U CN201396351Y CN 201396351 Y CN201396351 Y CN 201396351Y CN 2009201197632 U CN2009201197632 U CN 2009201197632U CN 200920119763 U CN200920119763 U CN 200920119763U CN 201396351 Y CN201396351 Y CN 201396351Y
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- CN
- China
- Prior art keywords
- gripping sleeve
- ring
- locking
- fastener
- 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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Abstract
A locking device of expansion pipe comprises a pipe sleeve (1), a locking fastener (3) and an annular clamping collar (2) of opening type, and is characterized in that: the pipe sleeve (1) is an integral element composed of two parts, while one end of the pipe sleeve is used for connecting a large pipe and the other end of the pipe sleeve is provided with a locking mechanism of elastic deformationtype, the locking structure is provided with an annular groove (13) and can lock the pipe in the inner hole thereof via the contraction of the annular clamping collar (2) which is sheathed on the locking structure, the locking fastener (3) is connected with the annular clamping collar (2) via a pin axle and can rotate around the annular clamping collar (2), the annular clamping collar (2) can beclamped or released via the match between the contact faces of the cam face on the locking fastener (3) and the annular clamping collar (2). The utility model has the advantages that the locking device can significantly improve locking firmness, the clamping collar is limited in the groove of the pipe sleeve to avoid up-and-down sliding, thereby improving locking effect.
Description
Technical field
The utility model relates to a kind of locking device of telescopic pipe, is adapted at using on the various bar canes.
Background technique
The skiing rod of adjustable length is made of the above pipe fitting of two joints at least, and little pipe fitting is enclosed within big pipe fitting the inside, realizes the flexible or location of little pipe fitting in big pipe fitting by a kind of locking device, thereby makes skiing rod that the function of adjustable length be arranged.Existing a kind of patent is that 5441307 U.S.'s patent of invention that are called the skiing rod/clip " ADJUSTABLELENGTH SKI POLE/CLAMP " of adjustable length disclose a kind of structure, its structure includes and clamps fastener and untight ring-like gripping sleeve, an end that clamps fastener is fixed on the ring-like gripping sleeve, makes ring-like gripping sleeve have the function that clamps or unclamp by clamping fastener around stirring of ring-like gripping sleeve.This structure is installed on the pipe fitting of fluting, and the slotted section of pipe fitting can the elasticity modification under the effect of ring-like gripping sleeve, and then makes the pipe fitting of fluting play locking to the pipe fitting that is engaged in the inside or decontrol, thereby makes skiing rod that the function of adjustable length be arranged.
The characteristics of this structure are that ring-like gripping sleeve directly is socketed on the pipe fitting of fluting and plays lock function, to regulate the length of skiing rod.But its shortcoming is the pipe fitting that ring-like gripping sleeve will react on fluting, clamping or unclamp by the fluting pipe fitting realizes the function of locking or unclamping, though the pipe fitting of fluting can resiliently deformable under the effect of external force, but the external force that needs is bigger, chucking power to the pipe fitting of the inside is also less, and flexible rod skids up and down easily, and the phase mutual friction between the pipe fitting simultaneously also can make the appearance damage of pipe fitting bad, and cause reduce working life, thereby to the economic loss that it is unnecessary that the user takes.So its structure awaits further to improve.
Summary of the invention
Technical problem to be solved in the utility model is the locking device that the more firm telescopic pipe of a kind of rational in infrastructure, long service life and locking is provided at above-mentioned prior art present situation.
The utility model solves the problems of the technologies described above the technological scheme that is adopted: a kind of locking device of telescopic pipe, include pipe box, clamp the ring-like gripping sleeve of fastener and opening, it is characterized in that pipe box is a bipartite single piece, one end is the pipe box of big pipe fitting, be connected with big pipe fitting, the other end is the locking mechanism of resiliently deformable, locking mechanism has annular groove, be with the annular gripping sleeve that the pipe fitting by its endoporus is had locking effect, the contraction of ring-like gripping sleeve or open makes locking mechanism play locking to the pipe fitting by its endoporus or unclamps, clamping fastener is connected on the ring-like gripping sleeve by pivot pin, the clamping fastener can be rotated around ring-like gripping sleeve, and the camming surface that clamps on the fastener is to realize that ring-like gripping sleeve clamping or the conflict of unclamping cooperate with the surface of contact of ring-like gripping sleeve.
As improvement, described locking mechanism has the vertical slot of being convenient to its resiliently deformable, cooperates spacing with the spacing protuberance of ring-like gripping sleeve.This part has vertical slot, can be to the position-limiting action that rises of gripping sleeve, thereby make ring-like gripping sleeve with the pipe box location, ring-like gripping sleeve can not rotate around pipe box, also can make the easy resiliently deformable of locking mechanism, locking mechanism has the hoop fluting, and its effect also is to make the locking device easy deformation, thus locking easily under the effect of gripping sleeve.Locking mechanism can also have vertical slot and the vertical surface of being convenient to its resiliently deformable and be projected as " L " shape slotted eye substantially, and the distortion that these slotted eyes make the easier contraction of locking mechanism or unclamp makes locking effect better.
At last, the chuck position of described clamping fastener one end is set to paired pivot ear, and the pivot ear-lobe is faced the through hole that direction is respectively arranged with same axis directly in pairs, ut socket one end is provided with through hole, connect by pivot pin, ut socket is assemblied between the paired pivot ear, and ut socket can rotate around pivot pin.The opening of ring-like gripping sleeve, design has the through hole of same axis, connection by the screw bolt and nut sleeve, realizing clamping fastener is connected with ring-like gripping sleeve, the circular arc camming surface is conflicted with the indent arc contact surface of ring-like gripping sleeve and is cooperated on the pivot ear of clamping fastener, by clamping the rotation of fastener, the circular arc camming surface makes ring-like clamping be with contraction or open function on the pivot ear.
Compared with prior art, advantage of the present utility model is: the contraction by cover ring-like gripping sleeve in the above makes locking mechanism play a part to lock or unclamp to the pipe fitting by its endoporus, locking mechanism has vertical slot, can be to the position-limiting action that rises of ring-like gripping sleeve, also can make the easy resiliently deformable of locking mechanism, the root of locking mechanism has the hoop fluting, and its effect also is to make the locking mechanism easy deformation, thus locking easily under the effect of ring-like gripping sleeve.Locking mechanism and pipe box are combined into an integral body, pipe box is connected on the big pipe, locking mechanism plays locking to the tubule by its endoporus or unclamps, avoided the friction between tubule outer wall and the big inner tube wall, this structure is reasonable more, locking effect is better, product also is not easy impaired funeral, the longer service life of product.
Description of drawings
Fig. 1 is the utility model embodiment's a structural perspective;
Fig. 2 is the utility model embodiment's a structural perspective;
Fig. 3 is the utility model embodiment's a structure sectional view;
Fig. 4 is the utility model embodiment's a structure sectional view;
Fig. 5 is the utility model embodiment's STRUCTURE DECOMPOSITION figure;
Fig. 6 is the utility model embodiment's STRUCTURE DECOMPOSITION figure;
Fig. 7 is the utility model embodiment's STRUCTURE DECOMPOSITION figure;
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2, the locking device of the telescopic pipe of present embodiment, include the annular gripping sleeve 2 that clamps fastener 3 and opening, inwall 34 shapes of clamping fastener 3 and the peripheral shape of annular gripping sleeve 2 are to adaptive, locking device also includes pipe box 1, pipe box 1 is a bipartite single piece, one end is the pipe box of big pipe fitting, be connected with big pipe fitting, the other end is the locking mechanism of resiliently deformable, and locking mechanism has annular groove 13, by the contraction of overlapping ring-like gripping sleeve 2 in the above the pipe fitting by its endoporus is had locking effect, this part has vertical slot 16, can also can make the easy resiliently deformable of locking mechanism to 24 position-limiting actions of spacing protuberance of gripping sleeve 2, locking mechanism has annular groove 13, its effect also is to make the locking mechanism easy deformation, thus locking easily under the effect of gripping sleeve 2.
This bottom portion of groove 12 is elastic deformation structure collapsible and expansion.Having locking mechanism contraction of being convenient on the pipe box 1 and the slotted eye of expanding on the bottom portion of groove 12, this slotted eye comprises that vertical bar shaped vertical slot 14 and vertical surface are projected as " L " shape slotted eye 11 substantially.Vertical bar shaped vertical slot 14 is arranged on bottom portion of groove 12 fronts, and an end extends on the end opening face 15 of pipe box 1, and the vertical edge of " L " shape slotted eye 11 and vertical bar shaped vertical slot 14 are positioned on the same axis, and horizontal edge is positioned on the semicircle cambered surface of groove 13 walls.And annular gripping sleeve 2 is placed in the groove 13 of pipe box 1,
Concrete structure is, annular gripping sleeve 2 is provided with chuck position 21,21 sides, chuck position have for link and pass perforate 23, be set to two pivot ears 31 at an end that clamps fastener 3, between this two pivots ear 31, be gripped with ut socket 4, on ut socket 4, radially have screw 41, chuck position 21 is threaded mutually by bolts and nuts sleeve 4, bolts and nuts sleeve 4 has been formed link, and pivot ear 31 surface of contact at chuck position 21 are the indent arc shaped surface, be respectively arranged with the through hole 32 of same axis in two pivot ears, 31 vertical surface directions, accordingly, ut socket 4 one ends are provided with through hole 41, by pivot pin ut socket is connected with clamping fastener 3, thereby clamping fastener and annular gripping sleeve 2 are coupled together rotationally.The pivot ear 31 that clamps fastener 3 has circular arc camming surface 33, cooperates with the indent arc contact surface 22 at chuck position 21, can contact mutually together or separate.Spacing protuberance 24 on the inwall of annular gripping sleeve 2 is embedded in the vertical slot 16 of pipe box 1.Pipe box 1 is installed on the big pipe fitting.
Working principle of the present utility model is:
At first pipe box is placed on an end of big pipe fitting, then gripping sleeve is placed in the groove of pipe box, by the screw bolt and nut sleeve chuck position and clamping fastener are linked together, then will clamp fastener promotes to the gripping sleeve radial direction, owing to the indent arc shaped surface that clamps fastener epirelief wheel face and gripping sleeve relatively rotates the internal diameter of pressing short gripping sleeve, and from locking by the tubule of pipe box, because clamping the joint of fastener and gripping sleeve is the Abduction dot structure, so when the inwall that clamps fastener touches mutually with the outer circumferential face of gripping sleeve, can stably flexible rod be locked together, thereby realization lock function, when wanting release, as long as will clamp fastener to the periphery of gripping sleeve away from pulling, can loose shape gripping sleeve, so use very convenient.
Claims (4)
1. the locking device of a telescopic pipe, include pipe box (1), clamp the ring-like gripping sleeve (2) of fastener (3) and opening, it is characterized in that pipe box (1) is a bipartite single piece, one end is the pipe box of big pipe fitting, be connected with big pipe fitting, the other end is the locking mechanism of resiliently deformable, locking mechanism has annular groove (13), be with the annular gripping sleeve (2) that the pipe fitting by its endoporus is had locking effect, clamping fastener (3) is connected on the ring-like gripping sleeve (2) by pivot pin, clamping fastener (3) can be rotated around ring-like gripping sleeve (2), and the camming surface that clamps on the fastener (3) is to realize that ring-like gripping sleeve clamping or the conflict of unclamping cooperate with the surface of contact of ring-like gripping sleeve (2).
2. locking device according to claim 1 is characterized in that described locking mechanism has the vertical slot (16) of being convenient to its resiliently deformable, cooperates spacing with the spacing protuberance (24) of ring-like gripping sleeve.
3. locking device according to claim 1 is characterized in that described locking mechanism has vertical slot (14) and the vertical surface of being convenient to its resiliently deformable and is projected as " L " shape slotted eye (11) substantially.
4. locking device according to claim 1, the chuck position that it is characterized in that described clamping fastener (3) one ends is set to paired pivot ear (31), pivot ear (31) vertical surface direction is respectively arranged with the through hole (32) of same axis in pairs, ut socket (4) one ends are provided with through hole, connect by pivot pin, ut socket (4) is assemblied between the paired pivot ear, ut socket can rotate around pivot pin, the opening of ring-like gripping sleeve (2), design has the through hole of same axis, connection by screw bolt and nut sleeve (4), realize clamping fastener (3) and be connected with ring-like gripping sleeve (2), the pivot ear (3) of clamping fastener (3) is gone up circular arc camming surface (33) and is cooperated with the indent arc contact surface (22) of ring-like gripping sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201197632U CN201396351Y (en) | 2009-05-12 | 2009-05-12 | Locking device of expansion pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201197632U CN201396351Y (en) | 2009-05-12 | 2009-05-12 | Locking device of expansion pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201396351Y true CN201396351Y (en) | 2010-02-03 |
Family
ID=41618860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201197632U Expired - Lifetime CN201396351Y (en) | 2009-05-12 | 2009-05-12 | Locking device of expansion pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201396351Y (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562743A (en) * | 2010-12-31 | 2012-07-11 | 海洋王照明科技股份有限公司 | Lifting rod connecting structure and lifting rod |
| CN102705324A (en) * | 2012-05-25 | 2012-10-03 | 浙江亚特电器有限公司 | Pipe connection contracting and compacting structure |
| CN102777457A (en) * | 2011-05-13 | 2012-11-14 | 王强 | Improved structure of pipe rack binding device |
| CN102852927A (en) * | 2012-09-12 | 2013-01-02 | 侯如升 | Clasp with self-locking function |
| CN105065408A (en) * | 2015-07-08 | 2015-11-18 | 苏州热工研究院有限公司 | Locking device and locking connection device |
| CN105150390A (en) * | 2015-09-24 | 2015-12-16 | 金方明 | Cutter head rotating mechanism connecting rod of large stone cutting machine |
| CN105156422A (en) * | 2015-09-14 | 2015-12-16 | 重庆博荣拓尔科技有限公司 | Extension tube bundle capable of increasing clamping force |
| CN105156423A (en) * | 2015-09-14 | 2015-12-16 | 重庆博荣拓尔科技有限公司 | Shrinkage tube clamping device |
| CN105156424A (en) * | 2015-09-14 | 2015-12-16 | 重庆博荣拓尔科技有限公司 | Extension tube bundle capable of increasing clamping force |
| CN105179401A (en) * | 2015-09-14 | 2015-12-23 | 重庆博荣拓尔科技有限公司 | Novel extension pipe |
| CN107002938A (en) * | 2016-12-28 | 2017-08-01 | 深圳市大疆灵眸科技有限公司 | Head armshaft structure and the cradle head structure with the head armshaft structure |
| CN107087423A (en) * | 2016-12-28 | 2017-08-22 | 深圳市大疆灵眸科技有限公司 | Supporting arm assembly and the head with the supporting arm assembly |
| CN107515192A (en) * | 2017-06-20 | 2017-12-26 | 山西华星管业科技有限公司 | Detect the fixture of lining plastic composited pipe adhesive force |
| CN107575690A (en) * | 2017-08-24 | 2018-01-12 | 吴清山 | A kind of T-shaped tubing Quick fastening depressor |
| CN107687465A (en) * | 2016-08-03 | 2018-02-13 | 奥拉夫和安德烈德珂斯协会 | The device of the modular formed in cross section in the pipe of outside polygonal structure |
| CN108464098A (en) * | 2018-03-30 | 2018-08-31 | 广东知识城运营服务有限公司 | A kind of adjustable fertilizer apparatus |
| CN109869389A (en) * | 2019-03-12 | 2019-06-11 | 东莞毅德复合材料有限公司 | Chuck fixing device for rod piece locking |
| WO2023197434A1 (en) * | 2022-04-14 | 2023-10-19 | 中山市科曼摄影器材有限公司 | Compact camera support |
-
2009
- 2009-05-12 CN CN2009201197632U patent/CN201396351Y/en not_active Expired - Lifetime
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562743A (en) * | 2010-12-31 | 2012-07-11 | 海洋王照明科技股份有限公司 | Lifting rod connecting structure and lifting rod |
| CN102777457A (en) * | 2011-05-13 | 2012-11-14 | 王强 | Improved structure of pipe rack binding device |
| CN102705324A (en) * | 2012-05-25 | 2012-10-03 | 浙江亚特电器有限公司 | Pipe connection contracting and compacting structure |
| CN102852927A (en) * | 2012-09-12 | 2013-01-02 | 侯如升 | Clasp with self-locking function |
| CN105065408B (en) * | 2015-07-08 | 2017-03-08 | 苏州热工研究院有限公司 | A kind of locking device and locking connection device |
| CN105065408A (en) * | 2015-07-08 | 2015-11-18 | 苏州热工研究院有限公司 | Locking device and locking connection device |
| CN105156422A (en) * | 2015-09-14 | 2015-12-16 | 重庆博荣拓尔科技有限公司 | Extension tube bundle capable of increasing clamping force |
| CN105156423A (en) * | 2015-09-14 | 2015-12-16 | 重庆博荣拓尔科技有限公司 | Shrinkage tube clamping device |
| CN105156424A (en) * | 2015-09-14 | 2015-12-16 | 重庆博荣拓尔科技有限公司 | Extension tube bundle capable of increasing clamping force |
| CN105179401A (en) * | 2015-09-14 | 2015-12-23 | 重庆博荣拓尔科技有限公司 | Novel extension pipe |
| CN105150390A (en) * | 2015-09-24 | 2015-12-16 | 金方明 | Cutter head rotating mechanism connecting rod of large stone cutting machine |
| CN107687465A (en) * | 2016-08-03 | 2018-02-13 | 奥拉夫和安德烈德珂斯协会 | The device of the modular formed in cross section in the pipe of outside polygonal structure |
| CN107002938A (en) * | 2016-12-28 | 2017-08-01 | 深圳市大疆灵眸科技有限公司 | Head armshaft structure and the cradle head structure with the head armshaft structure |
| CN107087423A (en) * | 2016-12-28 | 2017-08-22 | 深圳市大疆灵眸科技有限公司 | Supporting arm assembly and the head with the supporting arm assembly |
| CN107002938B (en) * | 2016-12-28 | 2019-02-12 | 深圳市大疆灵眸科技有限公司 | Holder armshaft structure and cradle head structure with the holder armshaft structure |
| 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 |
| CN107515192A (en) * | 2017-06-20 | 2017-12-26 | 山西华星管业科技有限公司 | Detect the fixture of lining plastic composited pipe adhesive force |
| CN107575690A (en) * | 2017-08-24 | 2018-01-12 | 吴清山 | A kind of T-shaped tubing Quick fastening depressor |
| CN108464098A (en) * | 2018-03-30 | 2018-08-31 | 广东知识城运营服务有限公司 | A kind of adjustable fertilizer apparatus |
| CN109869389A (en) * | 2019-03-12 | 2019-06-11 | 东莞毅德复合材料有限公司 | Chuck fixing device for rod piece locking |
| WO2023197434A1 (en) * | 2022-04-14 | 2023-10-19 | 中山市科曼摄影器材有限公司 | Compact camera support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100203 |
|
| CX01 | Expiry of patent term |