CN104948548A - Telescopic rod - Google Patents
Telescopic rod Download PDFInfo
- Publication number
- CN104948548A CN104948548A CN201510319972.1A CN201510319972A CN104948548A CN 104948548 A CN104948548 A CN 104948548A CN 201510319972 A CN201510319972 A CN 201510319972A CN 104948548 A CN104948548 A CN 104948548A
- Authority
- CN
- China
- Prior art keywords
- outer tube
- pressure part
- pressing piece
- flexible rod
- rod according
- 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.)
- Granted
Links
- 238000003825 pressing Methods 0.000 claims description 50
- 238000003475 lamination Methods 0.000 claims description 24
- 230000002093 peripheral effect Effects 0.000 abstract 3
- 238000004519 manufacturing process Methods 0.000 description 10
- 230000008961 swelling Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/10—Telescoping systems
- F16B7/14—Telescoping systems locking in intermediate non-discrete positions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Electric Vacuum Cleaner (AREA)
Abstract
The invention discloses a telescopic rod. The telescopic rod mainly comprises a rod body and a locking mechanism, wherein the locking mechanism comprises a locking assembly and a shifting part; the locking assembly comprises a pressure bearing part; at least one involute curved surface is arranged on the peripheral wall of the pressure bearing part; a pressure applying part is movably arranged at the position, corresponding to the involute curved surface, of the peripheral wall of the pressure bearing part; the shifting part can be connected with the pressure applying part in a clamped mode and pushes the pressure applying part to move back and forth along the involute curved surface on the peripheral wall of the pressure bearing part. When an inner pipe and an outer pipe rotate relatively, the inner pipe or the outer pipe will drive the shifting part to push the pressure applying part to move along the involute curved surface, at the moment, the pressure applying part gradually protrudes outwards from the surface of the pressure bearing part and extrudes the inner wall of the outer pipe to achieve the expansion function, so that the relative position of the inner pipe and the outer pipe is locked, and if the locking function between the inner pipe and the outer pipe is needed to be released, it is only needed to rotate the inner pipe or the outer pipe reversely or forwards. Operation is easy and convenient, and the length of the telescopic rod can be adjusted freely.
Description
Technical field
The present invention relates to photographic goods, particularly a kind of flexible rod for photographic tripod, self-shooting bar.
Background technique
The equipment of current use expansion device has the following: photographic goods, self-shooting bar, the shelf of vidicon camera, fishing rod, clothes hanger, glass pole, existing like product major part by the outer tube sleeve that diameter is large diameter little in pipe form, then by the locking such as buckle, latch inner and outer tubes.These locking modes need to open multiple hole on inner pipe usually, and the range of choices of length of telescopic bar is by number of aperture quantitative limitation, and operation comparatively inconvenience.
Chinese invention (CN204061447U) a kind of eccentric pipe structure discloses a kind of eccentric pipe structure, comprises the eccentric body that at least two diameters match, and in the connecting part of every two bodys, slide is installed in body one end that diameter is relatively little.This invention can provide a kind of flexible convenience, convenient light and handy, easy to assembly, the eccentric pipe structure that according to requirements can regulate its length.But this invention mainly also exists following deficiency: the complex manufacturing of eccentric body, the bad control of precision, manufacturing mechanism and product versatility not high.
A kind of new type of continuous expansion device for tripod of Chinese invention (CN203257825U) discloses a kind of new type of continuous expansion device for tripod, include flexible mutual telescopic pipe and the little telescopic pipe greatly that connect, and large telescopic pipe and little telescopic pipe are circular pipe, and be provided with circumvolve lock set kit between telescopic pipe and little telescopic pipe greatly.This invention locking effect is good, stable performance, and uses simple to operate.But this invention mainly also exists following deficiency: although this invention have employed center of circle pipe, its locking mechanism is still relatively complicated.
Summary of the invention
In order to solve the problem, the object of the present invention is to provide a kind of structure simple, being not only convenient to production and processing, and easy to use, that locking effect is good flexible rod.
The present invention is the technological scheme that its technical problem of solution adopts:
A kind of flexible rod, mainly comprises: a bar main body, and described bar main body is made up of the mutual pivot bush unit of outer tube of pipe in more than and more than, and described interior pipe can relative to being socketed in the outer tube rotation of its appearance and the axial direction along this outer tube moves;
Locking mechanism, this locking mechanism is arranged between described inner and outer tubes, and described locking mechanism comprises latch assembly and shifting part;
Latch assembly, described latch assembly comprises a pressure part, and the periphery wall of described pressure part at least offers an involute surface, and the position of the corresponding described involute surface of the periphery wall of this pressure part is movably set with a pressing piece simultaneously;
Shifting part, this shifting part can promote this pressing piece move around along the involute surface on described pressure part periphery wall with the clamping of described pressing piece phase; Described pressure part and shifting part one are arranged on interior pipe, and another is then arranged on described outer tube.
As the improvement of technique scheme, described pressure part is fixed on described interior pipe one end towards outer tube, and described shifting part is arranged on outer tube.
As the further improvement of technique scheme, one end of the contiguous described pressure part of described outer tube be also provided with one can with this pressure part phase clamping shackle member.
Further, described shackle member and pressure part being at least provided with respectively one can overlapped or lamination one lamination two that is separated from each other.
In the present invention, described shifting part is be opened in the projection on described outer tube wall.
Preferably, described projection is the raised line that an axial direction along described outer tube is arranged.
Further preferably, described projection is the salient point that several form a line along the axial direction uniform intervals of described outer tube, and the spacing between adjacent two salient points is less than the width of described pressing piece.
The preferred embodiments of the present invention, described pressing piece is provided with protruding block that can be suitable with the involute surface on pressure part on a side of described pressure part.
Further preferably, the periphery wall of described pressure part offers two involute surfaces, and the position of corresponding two involute surfaces of the periphery wall of this pressure part is movably set with a pressing piece respectively.
Again further preferably, described shifting part is two raised lines being opened on described outer tube wall, and two raised lines are arranged along the axial direction of described outer tube.
In the present invention, the periphery wall of described pressure part also offers a sliding-groove, described pressing piece is provided with and can embeds in this sliding-groove and the slide block slided along this sliding-groove.
The invention has the beneficial effects as follows: because the present invention is by arranging a locking mechanism between the inner and outer pipe sections, this locking mechanism comprises a latch assembly and a shifting part, described latch assembly comprises a pressure part, the periphery wall of described pressure part at least offers an involute surface, the position of the corresponding described involute surface of the periphery wall of this pressure part is movably set with a pressing piece simultaneously, described pressure part and shifting part one are arranged on interior pipe, another is then arranged on described outer tube, therefore when inner and outer tubes relatively rotate, interior pipe or outer tube then can drive shifting part to promote pressing piece and move along involute surface, now pressing piece is given prominence to outward from the surface of pressure part gradually and is extruded the inwall of outer tube, play the effect of swelling, thus the relative position of locking inner and outer tubes, to remove the locking effect between inner and outer tubes, only need anyway to rotate interior pipe or outer tube, simple to operation, can the length of adjustable telescopic rod arbitrarily, simultaneously because the present invention is by pressing piece swelling inner and outer tubes, therefore inner and outer tubes can be pipe, so that production and processing, locking mechanism part of the present invention is few in addition, is convenient to production and processing and assembling, contributes to reducing cost of production.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the surface structure schematic diagram of one embodiment of the present invention;
Fig. 2 is the worm's eye view of one embodiment of the present invention;
Fig. 3 is the STRUCTURE DECOMPOSITION schematic diagram of one embodiment of the present invention;
Fig. 4 is the assembly structure schematic diagram of pressure part and interior pipe in one embodiment of the present invention;
Fig. 5 is the parts drawing of shackle member in one embodiment of the present invention;
Fig. 6 is the parts drawing of one embodiment of the present invention middle external tube;
Fig. 7 is the parts drawing of interior pipe in one embodiment of the present invention;
Fig. 8 is the parts drawing of latch assembly in one embodiment of the present invention;
Fig. 9 is the assembly structure schematic diagram of pressing piece and another angle of pressure part in one embodiment of the present invention;
Figure 10 is the assembly structure decomposing schematic representation of pressing piece and pressure part in one embodiment of the present invention;
Figure 11 is the parts drawing of pressure part in one embodiment of the present invention;
Figure 12 is the parts drawing of another angle of pressure part in one embodiment of the present invention;
Figure 13 is the parts drawing of pressing piece in one embodiment of the present invention;
Figure 14 is the surface structure schematic diagram of one embodiment of the present invention when removing outer tube.
Embodiment
Referring to figs. 1 through Figure 14, a kind of flexible rod, mainly comprise: a bar main body 10, described bar main body 10 by pipe 11 in more than and more than one outer tube 12 mutually pivot bush unit formed, described interior pipe 11 can rotate relative to the outer tube 12 being socketed in its appearance and axial direction along this outer tube 12 moves, here, the quantity of described interior pipe 11 and outer tube 12 is not defined as one, may be also two, three or many, the quantity of interior pipe 11 and outer tube 12 specifically can unrestricted choice according to actual needs;
Locking mechanism, this locking mechanism is arranged between described interior pipe 11 and outer tube 12, and described locking mechanism comprises latch assembly 20 and shifting part 30; Described latch assembly 20 comprises a pressure part 21, the periphery wall of described pressure part 21 at least offers an involute surface 210, and the position of the corresponding described involute surface 210 of the periphery wall of this pressure part 21 is movably set with a pressing piece 22 simultaneously; Described shifting part 30 can promote this pressing piece 22 move around along the involute surface 210 on described pressure part 21 periphery wall with described pressing piece 22 phase clamping;
Described pressure part 21 and shifting part 30 one are arranged on interior pipe 11, and another is then arranged on described outer tube 12.Namely when pressure part 21 is arranged on interior pipe 11, shifting part 30 is arranged on outer tube 12; If when pressure part 21 is arranged on outer tube 12, shifting part 30 is arranged on interior pipe 11.Here, as the preferred embodiments of the present invention, described pressure part 21 is fixed on described interior pipe 11 one end towards outer tube 12, described shifting part 30 is arranged on outer tube 12, the quantity of above-mentioned locking mechanism is determined according to interior pipe 11 and the quantity of outer tube 12, is provided with a locking mechanism between adjacent interior pipe 11 and outer tube 12.
Because the present invention by arranging a locking mechanism between interior pipe 11 and outer tube 12, this locking mechanism comprises latch assembly 20 and a shifting part 30, described latch assembly comprises a pressure part 21, the periphery wall of described pressure part 21 at least offers an involute surface 210, the position of the corresponding described involute surface 210 of the periphery wall of this pressure part 21 is movably set with a pressing piece 22 simultaneously, described pressure part 21 and shifting part 30 one are arranged on interior pipe 11, another is then arranged on described outer tube 12, therefore when interior pipe 11 and outer tube 12 relatively rotate, interior pipe 11 or outer tube 12 can drive shifting part 30 to promote pressing piece 22 and move along involute surface 210, now pressing piece 22 is given prominence to outward from the surface of pressure part 21 gradually and is extruded the inwall of outer tube 12, play the effect of swelling, thus the relative position of the interior pipe 11 of locking and outer tube 12, to remove the locking effect between interior pipe 11 and outer tube 12, only need anyway to rotate interior pipe 11 or outer tube 12, simple to operation, can the length of adjustable telescopic rod arbitrarily, simultaneously because the present invention is by pipe 11 and outer tube 12 in pressing piece 22 swelling, therefore, pipe 11 and outer tube 12 can be pipe, so that production and processing, locking mechanism part of the present invention is few in addition, is convenient to production and processing and assembling, contributes to reducing cost of production.
Can mutually depart to prevent flexible rod interior pipe 11 and outer tube 12 when extending, in the present invention, one end of the contiguous described pressure part 21 of described outer tube 12 be also provided with one can with this pressure part 21 phase clamping shackle member 40, by arranging a shackle member 40 in one end of the contiguous described pressure part 21 of outer tube 12, when interior pipe 11 stretches out outside certain length from outer tube 12, be fixed on described interior pipe 11 towards one end of outer tube 12 pressure part 21 namely with the clamping of described shackle member 40 phase, thus pipe 11 continues to stretch out from outer tube 12 in stoping, and then pipe 11 and outer tube 12 can not be separated from each other in ensureing.
In order to the locking effect of flexible rod of the present invention can be made better, in the present invention, described shackle member 40 and pressure part 21 being at least provided with respectively one can the overlapped or lamination 1 that is separated from each other and lamination 2 212.In the present invention, described shackle member 40 and pressure part 21 being respectively arranged with two pieces can the overlapped or lamination 1 that is separated from each other and lamination 2 212, two blocks of above-mentioned laminations 1 are evenly arranged at the periphery wall middle and lower part of described shackle member 40, and two blocks of above-mentioned laminations 2 212 are then evenly arranged at the periphery wall top of described pressure part 21.
When interior pipe 11 and outer tube 12 relatively rotate, interior pipe 11 and outer tube 12 drive pressure part 21 and shackle member 40 to relatively rotate respectively, now lamination 1 inserts between lamination 2 212 and interior pipe 11 gradually, because the gap between interior pipe 11 and lamination 2 212 immobilizes, when lamination 1 inserts therebetween, lamination 1, interior pipe 11 are together with pressure part 21 swelling, in locking, pipe 11 can not shackle member 40 move relatively, and then lock interior pipe 11 and outer tube 12, ensure that relative position between the two immobilizes; When interior pipe 11 and outer tube 12 rotate backward, lamination 1 and lamination 2 212 oppositely move and are separated from each other, now lamination 1 and lamination 2 212 no longer overlapping, therefore can not extrude interior pipe 11, so remove shackle member 40 to the locking effect of interior pipe 11.In the present invention, by lamination 1 and pressing piece 22 from pipe 11 and outer tube 12 in two different positions respectively swelling, both can lock interior pipe 11 to immobilize with the relative position of outer tube 12, can prevent from that relative tilt occurs between interior pipe 11 and outer tube 12 to swing simultaneously, and then make flexible rod of the present invention go for different occasions.Here, as the preferred embodiments of the present invention, the thickness of described lamination 1 and the thickness of lamination 2 212 increase gradually along its free end to the direction of joint, and free end mentioned here refers to the position that lamination 1 and lamination 2 212 contact time overlapped at first.
In the present invention, described shifting part 30 is for being opened in the projection on described outer tube 12 inwall.Preferably, described projection is the raised line that an axial direction along described outer tube 12 is arranged, certainly above-mentioned projection is except can be except raised line, can also be several salient points formed a line along the axial direction uniform intervals of described outer tube 12, and the spacing between adjacent two salient points is less than the width of described pressing piece 22, here, the width of said pressing piece 22 refers to the length of pressing piece 22 on the axial direction of outer tube 12.
In order to make pressing piece 22 more promptly to give prominence to outward from pressure part 21 outer surface, preferably, described pressing piece 22 is provided with protruding block 220 that can be suitable with the involute surface 210 on pressure part 21 on a side of described pressure part 21.When shifting part 30 promote pressing piece 22 move along the involute surface 210 of pressure part 21 time, protruding block 220 on pressing piece 22 also moves along involute surface 210, and then makes the appearance of pressing piece 22 can the outstanding outward and inwall of swelling outer tube 12 of the outer surface of more promptly pressure part 21.
Here, in order to make pressing piece 22 can swelling outer tube 12 better, in the present invention, preferably, the periphery wall of described pressure part 21 offers two involute surfaces 210, and the position of corresponding two involute surfaces 210 of the periphery wall of this pressure part 21 is movably set with a pressing piece 22 respectively, is extruded the inwall of swelling outer tube 12 by two pressing pieces 22 simultaneously, thus outer tube 12 and the relative position of interior pipe 11 can be locked better, ensure that telescopic pipe can not shrink automatically; Further preferably, the periphery wall of described pressure part 21 evenly offers four involute surfaces 210, and for the ease of the production and processing of pressing piece 22 and assembling, the quantity of described pressing piece 22 is still two, each pressing piece 22 all offers two protruding blocks 220 suitable with described involute surface 210, specifically see Figure 13.Quantity due to pressing piece 22 is two, and correspondingly, described shifting part 30 is two raised lines being opened on described outer tube 12 inwall, and two raised lines are arranged along the axial direction of described outer tube 12.In the present invention, promote pressing piece 22 for the ease of two raised lines to move along the involute surface 210 of pressure part 21 simultaneously, in the present invention, preferably, two pressing pieces 22 are arranged on the periphery wall of pressure part 21, and the contiguous place of connecing, the two ends of two pressing pieces 22 is remaining has one described shifting part 30 can be allowed to embed breach 50 in it.
Further, be movably installed on pressure part 21 for the ease of pressing piece 22, preferably, the periphery wall of described pressure part 21 also offers a sliding-groove 211, described pressing piece 22 is provided with and can embeds in this sliding-groove 211 and the slide block 221 slided along this sliding-groove 211.Pressing piece 22 moving card can be made to be connected on pressure part 21 by this slide block 221, easy to assembly.
The foregoing is only preferred embodiments of the present invention, as long as the technological scheme realizing the object of the invention with basic same approach all belongs within protection scope of the present invention.
Claims (10)
1. a flexible rod, is characterized in that, mainly comprises:
One bar main body (10), described bar main body (10) is made up of the mutual pivot bush unit of outer tube (12) of pipe (11) in more than and more than, and described interior pipe (11) can relative to being socketed in outer tube (12) rotation of its appearance and the axial direction along this outer tube (12) moves;
Locking mechanism, this locking mechanism is arranged between described interior pipe (11) and outer tube (12), and described locking mechanism comprises latch assembly (20) and shifting part (30);
Latch assembly (20), described latch assembly (20) comprises a pressure part (21), the periphery wall of described pressure part (21) at least offers an involute surface (210), the position of the corresponding described involute surface (210) of the periphery wall of this pressure part (21) is movably set with a pressing piece (22) simultaneously;
Shifting part (30), this shifting part (30) can promote this pressing piece (22) move around along the involute surface (210) on described pressure part (21) periphery wall with described pressing piece (22) phase clamping;
Described pressure part (21) and shifting part (30) one are arranged on interior pipe (11), and another is then arranged on described outer tube (12).
2. a kind of flexible rod according to claim 1, is characterized in that: described pressure part (21) is fixed on described interior pipe (11) one end towards outer tube (12), and described shifting part (30) is arranged on outer tube (12).
3. a kind of flexible rod according to claim 2, is characterized in that: one end of the contiguous described pressure part (21) of described outer tube (12) be also provided with one can with this pressure part (21) phase clamping shackle member (40).
4. a kind of flexible rod according to claim 3, is characterized in that: described shackle member (40) and pressure part (21) being at least provided with respectively one can the overlapped or lamination one (41) that is separated from each other and lamination two (212).
5. a kind of flexible rod according to claim 1 or 2 or 3 or 4, is characterized in that: described shifting part (30) is for being opened in the projection on described outer tube (12) inwall.
6. a kind of flexible rod according to claim 5, is characterized in that: described projection is the raised line that an axial direction along described outer tube (12) is arranged.
7. a kind of flexible rod according to claim 5, it is characterized in that: described projection is the salient point that several form a line along the axial direction uniform intervals of described outer tube (12), and the spacing between adjacent two salient points is less than the width of described pressing piece (22).
8. a kind of flexible rod according to claim 1, is characterized in that: described pressing piece (22) is provided with protruding block (220) that can be suitable with the involute surface (210) on pressure part (21) on a side of described pressure part (21).
9. a kind of flexible rod according to claim 1, it is characterized in that: the periphery wall of described pressure part (21) offers two involute surfaces (210), and the position of corresponding two involute surfaces (210) of the periphery wall of this pressure part (21) is movably set with a pressing piece (22) respectively.
10. a kind of flexible rod according to claim 1, it is characterized in that: the periphery wall of described pressure part (21) also offers a sliding-groove (211), described pressing piece (22) is provided with and can embeds in this sliding-groove (211) and the slide block (221) slided along this sliding-groove (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510319972.1A CN104948548B (en) | 2015-06-11 | 2015-06-11 | A kind of expansion link |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510319972.1A CN104948548B (en) | 2015-06-11 | 2015-06-11 | A kind of expansion link |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104948548A true CN104948548A (en) | 2015-09-30 |
| CN104948548B CN104948548B (en) | 2017-10-17 |
Family
ID=54163487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510319972.1A Expired - Fee Related CN104948548B (en) | 2015-06-11 | 2015-06-11 | A kind of expansion link |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104948548B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105645301A (en) * | 2016-04-01 | 2016-06-08 | 宁波海仕凯驱动科技有限公司 | Lifting mechanism having longer service life |
| CN106763039A (en) * | 2017-02-16 | 2017-05-31 | 中山日高精密工业有限公司 | A kind of locking mechanism for being applied to telescoping tube |
| CN112963416A (en) * | 2021-03-16 | 2021-06-15 | 海宁欧瓦日用品有限公司 | Telescopic rod |
| CN114718948A (en) * | 2022-04-29 | 2022-07-08 | 四川化工职业技术学院 | Multifunctional mechanical tool expanding device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040026579A1 (en) * | 2001-02-13 | 2004-02-12 | Kouichiro Nakatani | Telescoping device |
| CN201377491Y (en) * | 2009-02-20 | 2010-01-06 | 江阴友利特金属制品有限公司 | Locking tube joint |
| CN102100508A (en) * | 2009-12-22 | 2011-06-22 | 乐金电子(天津)电器有限公司 | Extension tube |
| CN203868054U (en) * | 2014-03-13 | 2014-10-08 | 龚金松 | Telescopic device |
| CN204784014U (en) * | 2015-06-11 | 2015-11-18 | 中山豪真精工制品有限公司 | An expansion link |
-
2015
- 2015-06-11 CN CN201510319972.1A patent/CN104948548B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040026579A1 (en) * | 2001-02-13 | 2004-02-12 | Kouichiro Nakatani | Telescoping device |
| CN201377491Y (en) * | 2009-02-20 | 2010-01-06 | 江阴友利特金属制品有限公司 | Locking tube joint |
| CN102100508A (en) * | 2009-12-22 | 2011-06-22 | 乐金电子(天津)电器有限公司 | Extension tube |
| CN203868054U (en) * | 2014-03-13 | 2014-10-08 | 龚金松 | Telescopic device |
| CN204784014U (en) * | 2015-06-11 | 2015-11-18 | 中山豪真精工制品有限公司 | An expansion link |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105645301A (en) * | 2016-04-01 | 2016-06-08 | 宁波海仕凯驱动科技有限公司 | Lifting mechanism having longer service life |
| CN106763039A (en) * | 2017-02-16 | 2017-05-31 | 中山日高精密工业有限公司 | A kind of locking mechanism for being applied to telescoping tube |
| CN112963416A (en) * | 2021-03-16 | 2021-06-15 | 海宁欧瓦日用品有限公司 | Telescopic rod |
| CN114718948A (en) * | 2022-04-29 | 2022-07-08 | 四川化工职业技术学院 | Multifunctional mechanical tool expanding device |
| CN114718948B (en) * | 2022-04-29 | 2023-09-01 | 四川化工职业技术学院 | Multifunctional mechanical tool expanding device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104948548B (en) | 2017-10-17 |
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