CN103122898A - Extensible pole component and lamp using extensible pole component - Google Patents
Extensible pole component and lamp using extensible pole component Download PDFInfo
- Publication number
- CN103122898A CN103122898A CN2011103676421A CN201110367642A CN103122898A CN 103122898 A CN103122898 A CN 103122898A CN 2011103676421 A CN2011103676421 A CN 2011103676421A CN 201110367642 A CN201110367642 A CN 201110367642A CN 103122898 A CN103122898 A CN 103122898A
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- strut
- expansion sleeve
- screw rod
- resisting part
- spiro union
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Abstract
An extensible pole component comprises a first supporting pole, a second supporting pole, an expansion sleeve, a screw, an elastic component, a bush and a limiting component, wherein both the first supporting pole and the second supporting pole are in round-cylinder shape, and one end of the first supporting pole is taken in the second supporting pole, the expansion sleeve is taken in the supporting pole. The screw comprises a resist-hole part, a screw-joint part and a guiding part, wherein the screw-joint part and the guiding part respectively extend from two ends of the resist-hole part, the screw-joint part is in screw joint with the expansion sleeve, parts of the resist-hold part are taken in the expansion sleeve to push the expansion sleeve and clamp the expansion sleeve between the screw and the second supporting pole. The bush is fixedly connected at one end where the first supporting pole is taken in the second supporting pole. The guiding part of the screw is capable of sliding, and the screw without rotating is arranged in the bush in a penetrating mode. The elastic component is arranged on the guiding part of the screw in a sleeved mode, and two ends of the elastic component are respectively headed one end where the resist-hold part is far from the screw-joint part and the bush. The limiting component is fixed at one end where the guiding part is far from the resist-hold part and headed one end where the bush is far from the elastic component. The extensible pole component is good in shockproof effect. The invention further provides a lamp.
Description
[technical field]
The present invention relates to a kind of retractable rod and use the light fixture of this retractable rod.
[background technique]
Light fixture generally comprises light fixture and is used for supporting the retractable rod of light fixture.Retractable rod comprise the first strut, with the second strut, screw rod and the expansion sleeve of the first strut socket.The first strut and screw rod are affixed, and screw rod is spirally connected with expansion sleeve simultaneously, is that expansion sleeve is held between screw rod and the second strut by rotating screw bolt dilating expansion cover, thereby the first strut and the second strut are fixed together by the expansion sleeve friction.Above-mentioned light fixture in use, when being subject to vibrating, due to effective buffering vibration active force, can cause certain damage to light fixture, and expansion sleeve is the frictional loss because vibrate easily, finally can cause because friction lock power reduces the lockout failure between the first strut and the second strut.
[summary of the invention]
Based on this, the light fixture that is necessary to provide retractable rod that can be shockproof and uses this retractable rod.
a kind of retractable rod, described retractable rod comprises the first strut, the second strut, expansion sleeve, screw rod, elastic component, lining and bounding means, the end that described the first strut and described the second strut are cylindric and described the first strut is contained in described the second strut, described expansion sleeve is contained in described the second strut, described screw rod comprises resisting part, the spiro union portion and the guide portion that extend from the two ends of described resisting part respectively, described spiro union portion and described expansion sleeve are spirally connected, described resisting part partly is contained in described expansion sleeve to push described expansion sleeve and described expansion sleeve to be held between the inwall of the resisting part of described screw rod and described the second strut, described lining is fixedly connected with the end that described the first strut is contained in described the second strut, the guide portion of described screw rod slidably and un-rotatably is arranged in described lining, described elastic component is sheathed on the guide portion of described screw rod and the two ends of described elastic component support respectively described resisting part away from an end and the described lining of described spiro union portion, described bounding means is fixed in described guide portion away from an end of described resisting part and supports described lining away from an end of described elastic component.
In a preferred embodiment, one in described guide portion and described lining offers guiding groove, and another in described guide portion and described lining is provided with the guide protrusions that is contained in described guiding groove and can slides along described guiding groove.
In a preferred embodiment, described bounding means is nut, and described bounding means and described guide portion are spirally connected away from an end of described spiro union portion.
In a preferred embodiment, described resisting part is frustoconic shape, and the diameter of described resisting part increases progressively to the end away from described spiro union portion at the end near described spiro union portion.
In a preferred embodiment, an axially extended sliding-groove that offers along described the second strut in described the second strut and described expansion sleeve, another in the second strut and described expansion sleeve are provided with the slide protrusion that is contained in described sliding-groove and can slides along described sliding-groove.
In a preferred embodiment, described expansion sleeve comprises at least two counterparts, each counterpart offer the support slot corresponding with the spiro union portion of described screw rod and with described resisting part corresponding support groove, described at least two counterparts are arranged between the inwall of described screw rod and described the second strut, and the spiro union portion of described screw rod and described support slot are spirally connected, and described resisting part partly is contained in supporting between the inwall that groove and described counterpart partly be held on the resisting part of described screw rod and described the second strut of described at least two counterparts.
In a preferred embodiment, described retractable rod also comprises nut, and the support slot of described at least two counterparts is accommodated and be fastened in to described nut, and the spiro union portion of described screw rod and described nut screw togather.
In a preferred embodiment, described retractable rod also comprises elastic washer, and described at least two counterpart surfaces are recessed to form draw-in groove, and described elastic washer partly is contained in described draw-in groove and supports the inwall of described the second strut.
In a preferred embodiment, described retractable rod also comprises snap ring, and the spiro union portion of described screw rod goes out from a distal process of described expansion sleeve away from an end of described guide portion, and described snap ring is fastened in described spiro union portion from the outstanding end of described expansion sleeve.
a kind of light fixture, comprise that light fixture reaches the retractable rod that is used for supporting described light fixture, described retractable rod comprises the first strut, the second strut, expansion sleeve, screw rod, elastic component, lining and bounding means, the end that described the first strut and described the second strut are cylindric and described the first strut is contained in described the second strut, described expansion sleeve is contained in described the second strut, described light fixture and described the second strut are affixed, described screw rod comprises resisting part, the spiro union portion and the guide portion that extend from the two ends of described resisting part respectively, described spiro union portion and described expansion sleeve are spirally connected, described resisting part partly is contained in described expansion sleeve to push described expansion sleeve and described expansion sleeve to be held between the inwall of the resisting part of described screw rod and described the second strut, described lining is fixedly connected with the end that described the first strut is contained in described the second strut, the guide portion of described screw rod slidably and un-rotatably is arranged in described lining, described elastic component is sheathed on the guide portion of described screw rod and the two ends of described elastic component support respectively described resisting part away from an end and the described lining of described spiro union portion, described bounding means is fixed in described guide portion away from an end of described resisting part and supports described lining away from an end of described elastic component.
Above-mentioned retractable rod and light fixture, in the process of using, when being given a shock, active force along the axial direction effect of the first strut supports elastic component by lining, elastic component absorption portion active force and compress or stretch and drive the second strut, screw rod, expansion sleeve, near or away from the direction motion of the first strut, reach damping effect, and weaken external shock to the impact of retractable rod, avoid expansion sleeve excessive wear because of external shock, extend the working life of retractable rod.
[description of drawings]
Fig. 1 is the structural representation of an embodiment light fixture;
Fig. 2 is the partial enlarged drawing of the light fixture in Fig. 1;
Fig. 3 is the part disassembly diagram of the light fixture in Fig. 1.
[embodiment]
Below in conjunction with the drawings and specific embodiments to retractable rod and use the light fixture of this retractable rod further to illustrate.
Please consult simultaneously Fig. 1, Fig. 2 and Fig. 3, the light fixture 100 of a mode of execution comprises light fixture 10, retractable rod 30, link 50 and support 70.Light fixture 10 is mounted to support 70 by retractable rod 30 and link 50.
The first strut 31 is roughly cylindric.The inwall of one end of the first strut 31 has been recessed to form connecting groove 312.In present embodiment, connecting groove 312 inwalls are provided with the internal thread (not shown).
The second strut 33 is roughly cylindric.The second strut 33 can be set on the first strut 31.One end of the second strut 33 offers the fixed hole corresponding with positioning hole 142 332.The inwall of the second strut 33 offers sliding-groove 334.Sliding-groove 334 extends axially along strut 33.In present embodiment, sliding-groove 334 is total a plurality of, and a plurality of sliding-grooves 334 are distributed in the inwall that the second strut 33 offers an end of fixed hole 332 uniformly.
Bounding means 35 offers screw (figure is mark not).In present embodiment, bounding means 35 is nut.
Lining 37 comprises main body 372 and is convexly set in the flange 374 at middle part of the outer surface of main body 372.Main body 372 is roughly cylindric.The inwall of main body 372 convexes with the guide protrusions 376 along main body 372.In present embodiment, guide protrusions 376 is the axially extended strip bulge along main body 372.
Elastic component 39 is Compress Spring.Be appreciated that elastic component 39 is not limited to Compress Spring, also can be resilient sleeve or shell fragment.
Screw rod 41 comprises resisting part 412, the spiro union portion 414 and the guide portion 416 that extend from the two ends of resisting part 412 respectively.Resisting part 412 is roughly round table-like, and the diameter of resisting part 412 increases progressively to the other end from an end of resisting part 412.Spiro union portion 414 is roughly round bar shape, and spiro union portion 414 is held a less end the extending axially along resisting part 412 of section's 412 diameters from the third constellations.Be formed with the thread section (not shown) on the circumferential surface of spiro union portion 414 near an end of resisting part 412.Offer the draw-in groove (not shown) of annular on the circumferential surface of spiro union portion 414 away from an end of resisting part 412.Guide portion 416 is roughly the diameter of round bar shape and guide portion 416 less than the diameter of the larger end of resisting part 412 diameters.Guide portion 416 is from a larger end the extending axially along resisting part 412 of resisting part 412 diameters.Guide portion 416 offers the axially extended guiding groove 4162 along guide portion 416.Guide portion 416 is provided with screw thread away from an end of resisting part 412.
The draw-in groove of the annular of offering on spiro union portion 414 can be accommodated and be fastened in to snap ring 49.
In present embodiment, support 70 is that pin is fine.Support 70 comprises fixing rod 71.Offer fixed hole 73 and pin-and-hole 75 on fixing rod 71.Fixed hole 73 is the frustoconic shape hole that coincide with inserted part 54 shapes.Pin-and-hole 75 runs through the outer surface of fixing rod 71 and communicates with fixed hole 73.
During assembling, at first, the inserted part 54 of link 50 is positioned in the fixed hole 73 of support 70, the pin-and-hole that is opened in inserted part 54 is corresponding with the pin-and-hole 75 that is opened in fixing rod 71, a pin is inserted in the pin-and-hole that is opened in inserted part 54 and with being opened in the pin-and-hole 75 of fixing rod 71, link 50 is fixed in support 70.The joint 52 of link 50 is inserted in the connecting groove 312 of the first strut 31 and screws togather with the first strut 31.
Then, elastic component 39 is sheathed on the guide portion 416 of screw rod 41, the guide protrusions 376 that again lining 37 is sheathed on guide portion 416 and lining 37 is contained in the guiding groove 4162 of guide portion 416, thereby again bounding means 35 and guide portion 416 are screwed togather away from an end of resisting part 412 bounding means 35 is fixed in guide portion 416, at this moment, compressed and its two ends of elastic component 39 support respectively resisting part 412 near an end of guide portions 416 and the flange 374 of lining 37.The first strut 31 is sheathed on bounding means 35 and lining 37 away from an end of elastic component 39 away from an end of connecting groove 312, and an end of the first strut 31 supports the flange 374 of lining 37 away from an end of elastic component 39, adopts lining 37 bonding or mode riveted is fixed to the first strut 31.Nut 47 is screwed togather to the thread section of the spiro union portion 414 of screw rod 41 part away from resisting part 412, two counterparts 431 fasten to spiro union portion 414 and the resisting part 412 of screw rod 41 and form expansion sleeves 43 again, make nut 47 accommodate and be fastened in the support slot 433 of two counterparts 431, resisting part 412 parts are contained in supporting in groove 435 of two counterparts 431.Elastic washer 45 is sheathed on expansion sleeve 43 and partly is contained in draw-in groove 437.Snap ring 49 is accommodated and is fastened in the draw-in groove of the annular of offering on spiro union portion 414.At last the second strut 33 is sheathed on the first strut 31 from the spiro union portion 414 of screw rod 41, makes the slide protrusion 439 of counterpart 431 be contained in the sliding-groove 334 that is opened in the second strut 33.after promoting relative the first strut 31 of the second strut 33 and sliding into correct position, rotate the first strut 31, the first strut 31 drives screw rod 41 and rotates, spiro union portion 414 and the nut 47 of the first strut 41 screws togather and moves away from the direction of the first strut 31 to the second strut 33, the resisting part 412 of screw rod 41 is to supporting groove 435 near an end motion of support slots 433 and supporting two counterparts 431 at this moment, make two counterparts 431 mutually away from and two counterparts 431 are clamped between the inwall of resisting part 412 and the second strut 33, elastic washer 45 was held on counterpart 431 and reached between the inwall of the second strut 33 this moment, thereby make the second strut 33 and the first strut 31 sealed.
Connecting rod 14 is sheathed on the second strut 33 away from an end of the first strut 31, and positioning hole 142 is corresponding with fixed hole 332 positions, then the end 182 that supports of elastic element 18 is inserted in the blind hole 162 of locating piece 16.Elastic element 18 and locating piece 16 are put into connecting rod 14 away from an end of the second strut 33 and locating piece 16 is positioned on the axial straight line that is parallel to connecting rod 14 with positioning hole 142 from connecting rod 14 together, inwardly promote elastic element 18 and locating piece 16 until locating piece 16 corresponding to positioning hole 142 and fixed hole 332, thereby this moment, locating piece 16 under the effect of elastic element 18 inserted positioning hole 142 away from an end of elastic element 18 and fixed hole 332 is fixed to the second strut 13 with connecting rod 16.At last lamp housing 12 being fixed to connecting rod 16 gets final product away from an end of the second strut 13.
When needing to adjust the length of the first strut 31 and the second strut 33, backward rotation the first strut 31 drives resisting part 412 to the direction motion away from support slot 433, two counterparts 431 is closed up get final product.
When above-mentioned light fixture 100 uses, when support 70 vibrations, active force along the axial direction effect of the first strut 31 supports elastic component 39 by lining 37, elastic component 39 absorption portion active forces and compress or stretch and drive light fixture 10, the second strut 33, screw rod 41, expansion sleeve 43, elastic washer 45, nut 47 and snap ring 49 near or away from the motion of the direction of support 70, reach damping effect, and weaken external shock to the impact of retractable rod 30, avoid expansion sleeve 43 excessive wear because of external shock, extend the working life of retractable rod 30.
Be appreciated that expansion sleeve 43 also can be integral structure, only need to arrange a plurality of fins that are separated from each other at expansion sleeve 43 and get final product this moment.Elastic washer 45 can omit, and expansion sleeve 43 was held between resisting part 412 and the second strut 33 and relative the second strut 33 of the first strut 31 can be fixed this moment.Sliding-groove 334 is not limited to be opened in the inwall of the second strut 33, also can offer sliding-groove 334 on expansion sleeve 43, and this moment, the corresponding slide protrusion corresponding to sliding-groove of the inwall setting at the second strut 33 got final product.Slide protrusion 439 and sliding-groove 334 can omit.Guide protrusions 376 is not limited to be arranged at the inwall of lining 37, also can guiding groove be set at the inwall of lining 37, and this moment, the corresponding outer surface setting guide protrusions corresponding with guiding groove at the guide portion 416 of screw rod 41 got final product.Link 50 can omit, and can be fixed to support 70 with retractable rod 30 this moment by other modes such as be spirally connected.
The above embodiment has only expressed several mode of execution of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.Should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. retractable rod, described retractable rod comprises the first strut, the second strut, expansion sleeve and screw rod, the end that described the first strut and described the second strut are cylindric and described the first strut is contained in described the second strut, described expansion sleeve is contained in described the second strut, it is characterized in that, described retractable rod also comprises elastic component, lining and bounding means, described screw rod comprises resisting part, the spiro union portion and the guide portion that extend from the two ends of described resisting part respectively, described spiro union portion and described expansion sleeve are spirally connected, described resisting part partly is contained in described expansion sleeve to push described expansion sleeve and described expansion sleeve to be held between the inwall of the resisting part of described screw rod and described the second strut, described lining is fixedly connected with the end that described the first strut is contained in described the second strut, the guide portion of described screw rod slidably and un-rotatably is arranged in described lining, described elastic component is sheathed on the guide portion of described screw rod and the two ends of described elastic component support respectively described resisting part away from an end and the described lining of described spiro union portion, described bounding means is fixed in described guide portion away from an end of described resisting part and supports described lining away from an end of described elastic component.
2. retractable rod according to claim 1, it is characterized in that, one in described guide portion and described lining offers guiding groove, and another in described guide portion and described lining is provided with the guide protrusions that is contained in described guiding groove and can slides along described guiding groove.
3. retractable rod according to claim 1, is characterized in that, described bounding means is nut, and described bounding means and described guide portion are spirally connected away from an end of described spiro union portion.
4. retractable rod according to claim 1, is characterized in that, described resisting part is frustoconic shape, and the diameter of described resisting part increases progressively to the end away from described spiro union portion at the end near described spiro union portion.
5. retractable rod according to claim 1, it is characterized in that, an axially extended sliding-groove that offers along described the second strut in described the second strut and described expansion sleeve, another in the second strut and described expansion sleeve are provided with the slide protrusion that is contained in described sliding-groove and can slides along described sliding-groove.
6. retractable rod according to claim 1, it is characterized in that, described expansion sleeve comprises at least two counterparts, each counterpart offer the support slot corresponding with the spiro union portion of described screw rod and with described resisting part corresponding support groove, described at least two counterparts are arranged between the inwall of described screw rod and described the second strut, and the spiro union portion of described screw rod and described support slot are spirally connected, described resisting part partly is contained in supporting between the inwall that groove and described counterpart partly be held on the resisting part of described screw rod and described the second strut of described at least two counterparts.
7. retractable rod according to claim 6, is characterized in that, described retractable rod also comprises nut, and the support slot of described at least two counterparts is accommodated and be fastened in to described nut, and the spiro union portion of described screw rod and described nut screw togather.
8. retractable rod according to claim 6, it is characterized in that, described retractable rod also comprises elastic washer, and described at least two counterpart surfaces are recessed to form draw-in groove, and described elastic washer partly is contained in described draw-in groove and supports the inwall of described the second strut.
9. retractable rod according to claim 1, it is characterized in that, described retractable rod also comprises snap ring, and the spiro union portion of described screw rod goes out from a distal process of described expansion sleeve away from an end of described guide portion, and described snap ring is fastened in described spiro union portion from the outstanding end of described expansion sleeve.
10. light fixture, the retractable rod that it comprises light fixture and is used for supporting described light fixture, described retractable rod comprises the first strut, the second strut, expansion sleeve and screw rod, the end that described the first strut and described the second strut are cylindric and described the first strut is contained in described the second strut, described expansion sleeve is contained in described the second strut, described light fixture and described the second strut are affixed, it is characterized in that, described retractable rod also comprises elastic component, lining and bounding means, described screw rod comprises resisting part, the spiro union portion and the guide portion that extend from the two ends of described resisting part respectively, described spiro union portion and described expansion sleeve are spirally connected, described resisting part partly is contained in described expansion sleeve to push described expansion sleeve and described expansion sleeve to be held between the inwall of the resisting part of described screw rod and described the second strut, described lining is fixedly connected with the end that described the first strut is contained in described the second strut, the guide portion of described screw rod slidably and un-rotatably is arranged in described lining, described elastic component is sheathed on the guide portion of described screw rod and the two ends of described elastic component support respectively described resisting part away from an end and the described lining of described spiro union portion, described bounding means is fixed in described guide portion away from an end of described resisting part and supports described lining away from an end of described elastic component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110367642.1A CN103122898B (en) | 2011-11-18 | 2011-11-18 | Extensible pole component and lamp using extensible pole component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110367642.1A CN103122898B (en) | 2011-11-18 | 2011-11-18 | Extensible pole component and lamp using extensible pole component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103122898A true CN103122898A (en) | 2013-05-29 |
| CN103122898B CN103122898B (en) | 2015-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110367642.1A Active CN103122898B (en) | 2011-11-18 | 2011-11-18 | Extensible pole component and lamp using extensible pole component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103122898B (en) |
Cited By (6)
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| CN103291707A (en) * | 2013-06-26 | 2013-09-11 | 梅建云 | Leg tube automatic locking device, photography tripod, unipod and crutch |
| CN105042522A (en) * | 2015-06-30 | 2015-11-11 | 广东爱华新光电科技有限公司 | Metal tube fixing structure of swan-imitated-shaped table lamp |
| GB2552374A (en) * | 2016-07-22 | 2018-01-24 | Denis Mcbrearty Shaun | A lighting assembly |
| CN110013976A (en) * | 2019-03-25 | 2019-07-16 | 苏州芯海半导体科技有限公司 | A kind of Surface Properties of GaAs Wafers cleaning device |
| CN110485503A (en) * | 2019-09-25 | 2019-11-22 | 上海三一重机股份有限公司 | Folding guardrail and engineering machinery |
| CN111864630A (en) * | 2020-08-11 | 2020-10-30 | 国网青海省电力公司海西供电公司 | Telescopic insulating operating rod |
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| JP2011169412A (en) * | 2010-02-18 | 2011-09-01 | Murakami Kogyo Kk | Expansion pole |
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| CN201209606Y (en) * | 2008-05-15 | 2009-03-18 | 富国兴业股份有限公司 | Expanding device of telescoping rod |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291707A (en) * | 2013-06-26 | 2013-09-11 | 梅建云 | Leg tube automatic locking device, photography tripod, unipod and crutch |
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| CN110013976A (en) * | 2019-03-25 | 2019-07-16 | 苏州芯海半导体科技有限公司 | A kind of Surface Properties of GaAs Wafers cleaning device |
| CN110485503A (en) * | 2019-09-25 | 2019-11-22 | 上海三一重机股份有限公司 | Folding guardrail and engineering machinery |
| CN111864630A (en) * | 2020-08-11 | 2020-10-30 | 国网青海省电力公司海西供电公司 | Telescopic insulating operating rod |
| CN111864630B (en) * | 2020-08-11 | 2022-08-23 | 国网青海省电力公司海西供电公司 | Telescopic insulating operating rod |
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| CN103122898B (en) | 2015-07-08 |
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