CN202002043U - Anti-rotation telescopic straight tube and lamp using straight tube - Google Patents
Anti-rotation telescopic straight tube and lamp using straight tube Download PDFInfo
- Publication number
- CN202002043U CN202002043U CN2011200339934U CN201120033993U CN202002043U CN 202002043 U CN202002043 U CN 202002043U CN 2011200339934 U CN2011200339934 U CN 2011200339934U CN 201120033993 U CN201120033993 U CN 201120033993U CN 202002043 U CN202002043 U CN 202002043U
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- straight tube
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Abstract
The utility model discloses an anti-rotation telescopic straight tube and a lamp using the straight tube. The anti-rotation telescopic straight tube comprises an outer tube and an inner tube; the section of the outer wall of the inner tube is noncircular; and the section at a position, correspondingly contacted with the inner tube, of the outer tube is noncircular and matched with the outer wall of the inner tube. In the utility model, the contacted parts of the inner tube and the outer tube of the straight tube with an adjustable length are noncircular, so large-scale 360-degree rotation between the inner tube and the outer tube can be restrained, rotation accumulation between the inner tube and the outer tube during length adjustment of the straight tube can be avoided, and an anti-rotation effect of the telescopic straight tube is achieved. As for the lamp which uses the anti-rotation telescopic straight tube and is provided with a wire in the straight tube, an accident that the wire is broken due to rotation is prevented, and safety potential hazard is avoided.
Description
Technical field
The utility model relates to a kind of flexible straight tube, in particular, relates to the flexible straight tube of a kind of anti-rotation and has used the light fixture of this straight tube.
Background technology
At present, a lot of household electrical appliance all have the structure of flexible straight tube, to realize the variation of arm on length.
Now general way is that mini diameter tube is packed in the thick pipe, install again and connect grain and adjusting nut, connecting grain one end is connected with thick pipe, the other end bores circular hole and cooperates with tubule is movable, as long as unclamp adjusting nut, mini diameter tube just can be flexible back and forth in the extra heavy pipe the inside, after adjusting collapsing length, tighten adjusting nut, but with regard to regular length, concrete structure as Figure 1-3.Because this straight tube does not have limit rotation, when unclamping adjusting nut adjusting length, the relative extra heavy pipe of tubule can rotate freely.And all be built-in with electric wire in the straight tube of household electrical appliance usually, this rotation may take place and accumulation in each the adjustment, can drive the inside electric wire in the time of rotation rotates together, the angle that causes rotating may be greater than 360 degree even higher, be easy to turn round electric wire short and meet accident, so use this structure to have inevitable potential safety hazard.
The utility model content
The purpose of this utility model provide a kind of can realize preventing flexible straight tube rotate mutually, prolong the flexible straight tube that has used built-in electric wire electrical equipment service life the flexible straight tube of anti-rotation and used the light fixture of this straight tube.
The purpose of this utility model is achieved through the following technical solutions:
A kind of anti-rotation straight tube that stretches comprises outer tube and interior pipe, and wherein, the cross section of described outer wall of inner tube is non-circular, and described outer tube corresponding to the cross section at interior pipe position contacting place is and the outer wall of inner tube cooperating non-circular.
Described outer tube comprises the outer tube body and is fixed on the connection grain of outer tube body end, described outer tube body contacts with interior pipe by connecting grain, described connection grain one end and outer tube body are fixed, the other end is and outer wall of inner tube cooperating non-circular profiled holes that interior pipe is inserted in the outer tube body by passing the non-circular profiled holes that connects grain.By connecting interior pipe and outer tube with the grain that is connected of interior tube shape cooperation, make same outer tube to be used by different connection grains and difform interior pipe, make that the specification of outer tube is more single, it is more convenient to add man-hour.
The cross section of described outer wall of inner tube is a quadrangle, the quadrilateral hole of the non-circular profiled holes of described connection grain for matching with outer wall of inner tube.Manage in the polygon of pipe with respect to other in the tetragonal polygon, result of use and life-span are all better.
The cross section of described outer wall of inner tube is oval, the described slotted eye of non-circular profiled holes for matching with outer wall of inner tube that connects grain.Pipe can play good anti-rotation effect in oval-shaped, and the surface is enough mellow and full again, good hand touch not only, and also comparatively attractive in appearance.
Have at least one stupefied shape projection on the described outer wall of inner tube, corresponding, described connection grain is provided with at least one stupefied shape groove with the contacted position of outer wall of inner tube.Such design can not only be played anti-rotation effect preferably, and stupefied shape groove and stupefied shape projection can also play guide effect, and result of use is better.
Described outer tube directly contacts with interior pipe, and the cross section of described outer tube end and the contacted position of interior pipe is and outer wall of inner tube cooperating non-circular profiled holes that interior pipe is inserted in the outer tube by the non-circular profiled holes of passing the outer tube end.By cross section non-circular profiled holes is set, makes outer tube directly to cooperate installation with interior pipe with outer tube end and interior pipe contact position.
The cross section of described outer wall of inner tube is a polygon, the polygonal hole of the non-circular profiled holes of described outer tube end for matching with outer wall of inner tube.
The cross section of described outer wall of inner tube is oval, the slotted eye of the non-circular profiled holes of described outer tube end for matching with outer wall of inner tube.
Have at least one stupefied shape projection on the described outer wall of inner tube, corresponding, the contacted position of described outer tube end and outer wall of inner tube is provided with at least one stupefied shape groove.
Used the light fixture of the flexible straight tube of above-mentioned anti-rotation, it comprises the flexible straight tube of anti-rotation and is arranged on the interior electric wire of the flexible straight tube of anti-rotation, the flexible straight tube of described anti-rotation comprises outer tube and interior pipe, the cross section of described outer wall of inner tube is non-circular, and outer tube corresponding to the cross section at interior pipe position contacting place is and the outer wall of inner tube cooperating non-circular.
The position that the interior pipe of the utility model by length-adjustable straight tube contacts with outer tube is set to non-circular, with significantly 360 ° the rotation between pipe and the outer tube in limiting, avoid the rotation accumulation between the interior pipe outer tube when adjusting length of straight pipe, realized the anti-rotation effect of flexible straight tube.For having used the above-mentioned anti-rotation straight tube that stretches, and in straight tube the built-in light fixture of electric wire, it has prevented the accident that twists off electric wire owing to rotating, has stopped potential safety hazard.
Description of drawings
Fig. 1 is the structural representation of the straight tube in the light fixture of prior art;
Fig. 2 is the structural representation of the connection grain among Fig. 1;
Fig. 3 is the A face view of the connection grain among Fig. 2;
Fig. 4 is the structural representation of the straight tube of first kind of embodiment of the utility model;
Fig. 5 is the topology view of the A face of the connection grain among Fig. 4;
Fig. 6 is the schematic cross-section of the interior pipe among Fig. 4;
Fig. 7 is the structural representation of the connection grain of second kind of embodiment of the utility model;
Fig. 8 is the schematic cross-section of the interior pipe of second kind of embodiment of the utility model;
Fig. 9 is the structural representation of the connection grain of the third embodiment of the utility model;
Figure 10 is the schematic cross-section of the interior pipe of the third embodiment of the utility model.
Among the figure: 1. pipe, 11. stupefied shape projectioies in, 2. outer tube, 21. outer tube bodys, 22. connect; 23. stupefied shape groove.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and preferred embodiment.
The structure of the flexible straight tube of the anti-rotation described in the utility model embodiment as shown in Figure 4, comprise outer tube 2, interior pipe 1 and be arranged on outer tube and interior pipe between fastener, can accommodate electric wire etc. in the flexible straight tube of anti-rotation, fastener then can be nut or other fastening structure.Wherein, the cross section of interior pipe 1 outer wall is non-circular, and outer tube 2 corresponding to the cross section at interior pipe position contacting place is and the outer wall of inner tube cooperating non-circular.By interior pipe and outer tube position contacting place are restricted to and can not freely carry out the non-circular of 360 ° of rotations, avoided the rotation accumulation between the interior pipe outer tube when adjusting length of straight pipe, prevented to twist off the accident of electric wire owing to rotation, stop potential safety hazard.
Wherein, outer tube can comprise outer tube body 21 and be fixed on the connection grain 22 of outer tube body 21 ends, the outer tube body contacts with interior pipe 1 by connecting grain 22, described connection grain 22 1 ends and outer tube body 21 are fixing, the other end is and interior pipe 1 outer wall cooperating non-circular profiled holes that interior pipe is inserted in the outer tube body by passing the non-circular profiled holes that connects grain.By connecting interior pipe and outer tube with the grain that is connected of interior tube shape cooperation, make same outer tube to be used by different connection grains and difform interior pipe, make that the specification of outer tube is more single, it is more convenient to add man-hour.
Wherein, interior pipe can be polygon pipe or elliptical tube or other non-circular special pipes, and the non-circular profiled holes on the connection grain of outer tube below can be polygonal hole or elliptical aperture or other non-circular irregularly-shaped holes.After advancing interior pipe box in the outer tube body, regulate by the connection grain and the adjusting nut of outer tube body bottom again, as long as unclamp adjusting nut, interior pipe just can be flexible back and forth at outer tube body inner face, after having adjusted length, tighten adjusting nut, but with regard to regular length.Because the rotation in the interior Guan Zailian particle-containing hole is restricted, be to fix and connect grain with thick pipe, so tubule can not do freely rotate relative to thick pipe, can only elongate or shorten, avoided twisting off the accident of electric wire owing to rotation, stopped potential safety hazard.
Wherein, interior pipe 1 outer wall that Fig. 5, Fig. 6 show the polygon pipe reaches the structure of establishing the connection grain 22 of polygonal hole, and the cross section of interior pipe 1 outer wall is a quadrangle, and the non-circular profiled holes that connects grain 21 also is the quadrilateral hole that matches with outer wall of inner tube.The interior pipe 1 of polygonal cross-section can be other shapes, as triangle, hexagon, octagon etc., but the tube edge angle is comparatively sharp keen in the polygon of triangular-section, scratch easily the user, and hexagon, the more polygon of the equilateral number of octagon have used easy blunt of a specified duration and lost the effect of anti-rotation.Therefore manage in the polygon of pipe with respect to other in the tetragonal polygon, result of use and life-span are all better.
Fig. 7, Fig. 8 show oval pipe interior pipe 1 outer wall and on establish the connection grain 22 of slotted eye structure, described in the cross section of pipe 1 outer wall be oval, the described non-circular profiled holes that connects grain is the slotted eye that matches with outer wall of inner tube.Pipe can play good anti-rotation effect in oval-shaped, and the surface is enough mellow and full again, good hand touch not only, and also comparatively attractive in appearance.
Fig. 9, Figure 10 show interior pipe 1 outer wall that has stupefied shape projection and the structure that has the connection grain 22 of stupefied shape groove through hole, have at least one stupefied shape projection 11 on the described outer wall of inner tube, corresponding, described connection grain is provided with at least one stupefied shape groove 23 with the contacted position of outer wall of inner tube.Such design can not only be played anti-rotation effect preferably, and stupefied shape groove and stupefied shape projection can also play guide effect, and result of use is better.Wherein, stupefied shape projection can be different shape, as the stupefied or fillet in side is stupefied etc. (as shown in Figure 10), corresponding, stupefied shape groove also can be square hole or fillet hole (as shown in Figure 9).
Different with above-mentioned several embodiment is, outer tube also can not have and connect grain, and directly contact with interior pipe by the outer tube body, wherein, the cross section of outer tube end and the contacted position of interior pipe is and outer wall of inner tube cooperating non-circular profiled holes that interior pipe is inserted in the outer tube by the non-circular profiled holes of passing the outer tube end.By cross section non-circular profiled holes is set, makes outer tube directly to cooperate installation with interior pipe with outer tube end and interior pipe contact position.The cross section of described outer wall of inner tube can be polygon, the polygonal hole of the non-circular profiled holes of described outer tube end for matching with outer wall of inner tube; The cross section of outer wall of inner tube can be ellipse, the slotted eye of the non-circular profiled holes of described outer tube end for matching with outer wall of inner tube; Also can have at least one stupefied shape projection on the described outer wall of inner tube, corresponding, the contacted position of described outer tube end and outer wall of inner tube is provided with at least one stupefied shape groove.
Certainly, among above-mentioned several embodiment, the cross section of outer wall of inner tube is consistent match with contacted position of outer wall of inner tube or outer tube end with the shape of the contacted position of outer wall of inner tube with connecting grain, this is not only for the rotation significantly between pipe and the outer tube in preventing, also is for well spacing between interior pipe and the outer tube.The cross section of outer wall of inner tube can not be identical unanimity with connecting the shape of grain with the contacted position of outer wall of inner tube or outer tube end and the contacted position of outer wall of inner tube, such as, outer wall of inner tube can ovalize, what connect that grain and the contacted position of outer wall of inner tube or outer tube end and the contacted position of outer wall of inner tube then can be corresponding is the quadrangle shape, only needs to connect grain and the contacted position of outer wall of inner tube or outer tube end and the contacted position of outer wall of inner tube and can limit the continuous rotation in 360 ° of scopes of interior pipe and get final product.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. the flexible straight tube of anti-rotation comprises outer tube and interior pipe, it is characterized in that the cross section of described outer wall of inner tube is non-circular, and described outer tube corresponding to the cross section at interior pipe position contacting place is and the outer wall of inner tube cooperating non-circular.
2. a kind of anti-rotation as claimed in claim 1 straight tube that stretches, it is characterized in that, described outer tube comprises the outer tube body and is fixed on the connection grain of outer tube body end, described outer tube body contacts with interior pipe by connecting grain, described connection grain one end and outer tube body are fixed, the other end is and outer wall of inner tube cooperating non-circular profiled holes that interior pipe is inserted in the outer tube body by passing the non-circular profiled holes that connects grain.
3. a kind of anti-rotation as claimed in claim 2 straight tube that stretches is characterized in that the cross section of described outer wall of inner tube is a quadrangle, the quadrilateral hole of the non-circular profiled holes of described connection grain for matching with outer wall of inner tube.
4. a kind of anti-rotation as claimed in claim 2 straight tube that stretches is characterized in that, the cross section of described outer wall of inner tube is oval, the described slotted eye of non-circular profiled holes for matching with outer wall of inner tube that connects grain.
5. a kind of anti-rotation as claimed in claim 2 straight tube that stretches is characterized in that, has at least one stupefied shape projection on the described outer wall of inner tube, corresponding, described connections grain and the contacted position of outer wall of inner tube are provided with at least one stupefied shape groove.
6. a kind of anti-rotation as claimed in claim 1 straight tube that stretches, it is characterized in that, described outer tube directly contacts with interior pipe, the cross section of described outer tube end and the contacted position of interior pipe is and outer wall of inner tube cooperating non-circular profiled holes that interior pipe is inserted in the outer tube by the non-circular profiled holes of passing the outer tube end.
7. a kind of anti-rotation as claimed in claim 6 straight tube that stretches is characterized in that the cross section of described outer wall of inner tube is a quadrangle, the quadrilateral hole of the non-circular profiled holes of described outer tube end for matching with outer wall of inner tube.
8. a kind of anti-rotation as claimed in claim 6 straight tube that stretches is characterized in that, the cross section of described outer wall of inner tube is oval, the slotted eye of the non-circular profiled holes of described outer tube end for matching with outer wall of inner tube.
9. a kind of anti-rotation as claimed in claim 6 straight tube that stretches is characterized in that, has at least one stupefied shape projection on the described outer wall of inner tube, corresponding, the contacted position of described outer tube end and outer wall of inner tube is provided with at least one stupefied shape groove.
10. one kind has been used the light fixture as the flexible straight tube of arbitrary described anti-rotation among the claim 1-9, it is characterized in that, described light fixture comprises the flexible straight tube of anti-rotation and is arranged on the interior electric wire of the flexible straight tube of anti-rotation, the flexible straight tube of described anti-rotation comprises outer tube and interior pipe, the cross section of described outer wall of inner tube is non-circular, and outer tube corresponding to the cross section at interior pipe position contacting place is and the outer wall of inner tube cooperating non-circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200339934U CN202002043U (en) | 2011-01-31 | 2011-01-31 | Anti-rotation telescopic straight tube and lamp using straight tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200339934U CN202002043U (en) | 2011-01-31 | 2011-01-31 | Anti-rotation telescopic straight tube and lamp using straight tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202002043U true CN202002043U (en) | 2011-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200339934U Expired - Fee Related CN202002043U (en) | 2011-01-31 | 2011-01-31 | Anti-rotation telescopic straight tube and lamp using straight tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202002043U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836578A (en) * | 2012-11-27 | 2014-06-04 | 深圳市海洋王照明工程有限公司 | Lifting rod structure for lamp and projection lamp with lifting rod structure |
| CN103836577A (en) * | 2012-11-27 | 2014-06-04 | 深圳市海洋王照明工程有限公司 | Lamp lifting rod and lamp with same |
| CN104456466A (en) * | 2013-09-16 | 2015-03-25 | 深圳市海洋王照明工程有限公司 | Lifting bar structure for lamps and projection lamp with same |
| CN106765676A (en) * | 2016-12-15 | 2017-05-31 | 珠海格力电器股份有限公司 | Air conditioner device and air conditioner outdoor unit chassis drainage structure thereof |
-
2011
- 2011-01-31 CN CN2011200339934U patent/CN202002043U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836578A (en) * | 2012-11-27 | 2014-06-04 | 深圳市海洋王照明工程有限公司 | Lifting rod structure for lamp and projection lamp with lifting rod structure |
| CN103836577A (en) * | 2012-11-27 | 2014-06-04 | 深圳市海洋王照明工程有限公司 | Lamp lifting rod and lamp with same |
| CN103836578B (en) * | 2012-11-27 | 2016-02-10 | 深圳市海洋王照明工程有限公司 | The lifting rod structure of light fixture and use the Projecting Lamp of this lifting rod structure |
| CN103836577B (en) * | 2012-11-27 | 2016-07-13 | 深圳市海洋王照明工程有限公司 | Lamp lifting rod and use the light fixture of this lamp lifting rod |
| CN104456466A (en) * | 2013-09-16 | 2015-03-25 | 深圳市海洋王照明工程有限公司 | Lifting bar structure for lamps and projection lamp with same |
| CN106765676A (en) * | 2016-12-15 | 2017-05-31 | 珠海格力电器股份有限公司 | Air conditioner device and air conditioner outdoor unit chassis drainage structure thereof |
| CN106765676B (en) * | 2016-12-15 | 2022-08-23 | 珠海格力电器股份有限公司 | Air conditioner device and air conditioner outdoor unit chassis drainage structure thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20150131 |
|
| EXPY | Termination of patent right or utility model |