CN201504666U - Umbrella shaft extension structure - Google Patents
Umbrella shaft extension structure Download PDFInfo
- Publication number
- CN201504666U CN201504666U CN2008201289358U CN200820128935U CN201504666U CN 201504666 U CN201504666 U CN 201504666U CN 2008201289358 U CN2008201289358 U CN 2008201289358U CN 200820128935 U CN200820128935 U CN 200820128935U CN 201504666 U CN201504666 U CN 201504666U
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- CN
- China
- Prior art keywords
- interior pipe
- outer tube
- umbrella
- groove
- pipe
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- 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 - Fee Related
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- Walking Sticks, Umbrellas, And Fans (AREA)
Abstract
The utility model discloses an umbrella shaft extension structure, which comprises an inner pipe and an outer pipe, wherein the inner pipe is sheathed with the outer pipe, a bush is inlaid in an inner hole of the upper end of the outer pipe, the inner hole of the bush is matched with the external surface of the inner pipe in a sliding mode, a positioning key is fixed in the inner hole of the bush, the positioning key and the appearance of the inner pipe are opposite along a groove or a plane which is extended along the axial direction of the inner pipe, the groove or the plane is provided with a projection on the lower end portion of the inner pipe, and the projection props up to the lower end of the positioning key when the inner pipe is externally extended to a limit position. The umbrella shaft extension structure has the advantages of simple processes and low cost of processes, the bush can be made of anti-friction materials, the sliding friction resistance of movements of the inner pipe is reduced, and the umbrella is easily deployed or folded. By adopting plastics to manufacture the bush, the extension structure has the advantages of further lowering production cost, reducing sliding friction resistance to movements of the inner pipe, preventing inner pipes from straining and extending service life of multi-folded umbrellas.
Description
[technical field]
The utility model relates to the member of parachute kit, relates in particular to the stretching structure of rod in a kind of many folding umbrellas.
[background technology]
Existing many folding umbrellas, wherein rod is socketed to form mutually by hollow tube body.When rod launched in preventing, interior pipe was deviate from from outer tube, and the upper end of outer tube is shaped on contraction flow region, and the lower end of interior pipe is shaped on enlarged portion.Simultaneously, for the motion of pipe in outer tube in guiding, when rod launches in preventing, interior pipe rock or crooked causing in rod twisted, the contraction flow region of the upper end of outer tube do longlyer, the endoporus of contraction flow region is higher with the quality of fit of interior pipe.The shortcoming that the many foldings of tradition umbrella stretching structure exists is body to be shunk and expand complex process, the cost height; In between pipe and the outer tube friction part material identical, sliding-frictional resistance is big, parachute-opening or smooth and easy inadequately when closing one's umbrella, and be easy to interior pipe is pulled.
[summary of the invention]
It is simple that the technical problems to be solved in the utility model provides a kind of technology, and cost is comparatively cheap; In between pipe and the outer tube sliding-frictional resistance less, parachute-opening or more smooth and easy when closing one's umbrella, excellent stretching structure in the umbrella that interior pipe is difficult for pulling.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is excellent stretching structure in a kind of umbrella, pipe and outer tube in comprising, pipe and outer tube socket in described are inlaid with lining in the endoporus on the described outer tube, and the endoporus of lining and the outer surface of interior pipe are and are slidingly matched; Be fixed with positioning key in the endoporus of lining, described positioning key is relative along axially extended groove of interior pipe or plane with interior pipe appearance; There is protrusion on described groove or plane at the lower end part of interior pipe, and when reaching extreme position outside the interior pipe, described protrusion props up the lower end of described positioning key.
Excellent stretching structure in the above-described umbrella, the main body of the outer surface of described outer tube or interior pipe are the face of cylinder or elliptic cylinder.
Excellent stretching structure in the above-described umbrella, the appearance of described interior pipe and outer tube all has the groove or the plane of extending vertically, and the groove of interior pipe or number of planes Duo 1 than the groove or the number of planes of outer tube.
Excellent stretching structure in the above-described umbrella, the groove or the plane quantity of described interior pipe are 2, the groove of outer tube or plane quantity are 1; The groove of interior pipe or plane symmetry are arranged.
Excellent stretching structure in the above-described umbrella, the outer surface of described outer tube or interior pipe are prismatic surface.
Excellent stretching structure in the above-described umbrella, the rear portion of described positioning key have outstanding cylinder to pass aperture on lining and the outer tube, with described aperture riveted joint.
Excellent stretching structure in the above-described umbrella, described protrusion are hooks outstanding on limited block or the interior pipe, and the rear portion of described limited block has outstanding cylinder to penetrate in the aperture on interior pipe lower end groove or plane; There is projection on the bottom land of described groove or described plane above limited block or hook; When reaching extreme position outside the interior pipe, described limited block or hook prop up the lower end of positioning key, and described projection props up the front portion of positioning key.
Excellent stretching structure in the above-described umbrella, described lining are copper sheathing or plastic sheath.Described plastics are a kind of in PP, ABS, PE, PA, the PC plastics.The wall thickness of described lining is 0.01 to 1.0 millimeter.
Be inlaid with lining in the endoporus of the outer tube of excellent stretching structure upper end in the utility model umbrella, the endoporus of lining and the outer surface of interior pipe are slidingly matched and internally manage guiding; Be fixed with in the endoporus by lining the groove of positioning key and interior pipe lower end or the protrusion on the plane offset prevent in pipe from outer tube, deviate from.This structure need not shrink and expand body, and technology is simple, and the technology cost is low; Lining can adopt antifriction material, and the sliding-frictional resistance of interior pipe motion reduces, and parachute-opening or close one's umbrella smooth and easyly can not pulled interior pipe.
Excellent stretching structure is made lining as adopting plastics in the utility model umbrella, can further reduce production costs, and the sliding-frictional resistance of pipe motion prevents from interior pipe is pulled in reducing.
[description of drawings]
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the cutaway view of excellent stretching structure embodiment 1 in the utility model umbrella.
Fig. 2 is the cutaway view of excellent stretching structure embodiment 2 in the utility model umbrella.
Fig. 3 is the vertical view of excellent stretching structure embodiment 1 in the utility model umbrella.
Fig. 4 is the vertical view of excellent stretching structure embodiment 2 in the utility model umbrella.
Fig. 5 is the cutaway view of excellent stretching structure embodiment 3 in the utility model umbrella.
Fig. 6 is the vertical view of excellent stretching structure embodiment 3 in the utility model umbrella.
Fig. 7 is the vertical view of excellent stretching structure embodiment 4 in the utility model umbrella.
Fig. 8 is the vertical view of excellent stretching structure embodiment 5 in the utility model umbrella.
Fig. 9 is the vertical view of excellent stretching structure embodiment 6 in the utility model umbrella.
Figure 10 is the vertical view of excellent stretching structure embodiment 7 in the utility model umbrella.
Figure 11 is the vertical view of excellent stretching structure embodiment 8 in the utility model umbrella.
[specific embodiment]
In Fig. 1, the utility model umbrella shown in Figure 3 among the embodiment 1 of excellent stretching structure, pipe 2 and outer tube 1 in rod comprises in the umbrella, interior pipe 2 and outer tube 1 socket, the main body of interior pipe 2 and outer tube 1 outer surface is face of cylinder 2a and 1a, be inlaid with lining 3 in the endoporus of outer tube 1 upper end, the outer surface of the endoporus of lining 3 and interior pipe 2 is for being slidingly matched.Interior pipe 2 has along interior pipe 2 axially extended groove 2b, is fixed with positioning key 4 in the endoporus of lining 3, and the groove 2b of positioning key 4 and interior pipe 2 is for being slidingly matched.Aperture and the aperture on lining 3 and the outer tube 1 that the rear portion of positioning key 4 has outstanding cylinder 4a to pass on lining 3 and the outer tube 1 are riveted.The groove of interior pipe lower end has been installed limited block 5.In order to reduce accessory, the shape of limited block 5 is identical with the size and dimension of positioning key 4.The rear portion of limited block 5 has outstanding cylinder 5a to penetrate in the interior aperture of managing in the 2 lower end grooves, and the bottom land of groove has projection 2c above limited block.When reaching extreme position outside the interior pipe 2, limited block 5 props up the lower end of positioning key 4, and with the stroke of pipe 2 in limiting, when rod launched in preventing, interior pipe 2 was deviate from from outer tube 1.Simultaneously, projection 2c props up the front portion of positioning key 4, to eliminate the gap between groove 2b and the positioning key 4, produces between pipe 2 and the outer tube 1 in preventing and rocks.Lining 3 can be copper sheathing or plastic sheath.When adopting plastic sheath, plastics can adopt PP, ABS, PE, PA, PC plastics.The wall thickness of lining 3 can be 0.01 to 1.0 millimeter.Be preferably 0.05 to 0.5 millimeter.The cost of plastics is more much lower than copper, can further reduce excellent production cost in the umbrella.Plastics have self-lubricating function, and the sliding-frictional resistance when pipe is flexible in can reducing improves parachute-opening or the smooth degree when closing one's umbrella.Plastics hardness ratio copper is much lower, can prevent from interior pipe is pulled, and especially can improve the service life of pipe in the aluminium alloy greatly.
Rod mostly is three sections bodys compositions greatly among the many foldings umbrella that uses at present, by the caliber size, is called outer tube, middle pipe and interior pipe usually from outside to inside.But interior pipe and outer tube that the utility model is alleged are comparatively speaking, so the notion of pipe in not needing.Middle pipe in the material object is exactly the interior pipe that the utility model claims with respect to outer tube, and the middle pipe in the material object is the outer tube that the utility model claims with respect to the interior pipe in the material object.This notion is generalized to four folding umbrellas or five folding umbrellas, also is the same reason, and four folding umbrellas and five folding umbrellas have pipe in 2 or 3.Alleged interior pipe in embodiment 1 can be the middle pipe of triple folding umbrella material object, also can be four the folding umbrellas or five the folding umbrellas first in the pipe.
The embodiment 2 of excellent stretching structure is as Fig. 2 and shown in Figure 4 in the utility model umbrella.Compare with embodiment 1, its difference is that outer tube 1 has 1 groove 1b, and interior pipe 2 has the shape of 2 groove 2b. linings 3 to match with the shape of outer tube 1 endoporus, and is also fluted.2 groove 2b of interior pipe 2 are symmetrically distributed, and wherein a groove cooperates with positioning key 4, the groove fit of another root groove and lining 3.The stretching structure of present embodiment is used for the pipe and the interior pipe of triple folding umbrella material object, or four folding umbrellas or five folding umbrella material objects first in pipe in the pipe and second.
Because have four folding umbrellas or five folding umbrellas, outer tube can more than 1 groove, more than 2 grooves of interior pipe, but the groove number of interior pipe always Duos 1 than the groove number of outer tube.
In Fig. 5 and the utility model umbrella shown in Figure 6 among the embodiment 3 of excellent stretching structure, pipe 2 and outer tube 1 in rod comprises in the umbrella, interior pipe 2 and outer tube 1 socket, the main body of interior pipe 2 and outer tube 1 outer surface is face of cylinder 2a and 1a, be inlaid with lining 3 in the endoporus of outer tube 1 upper end, the outer surface of the endoporus of lining 3 and interior pipe 2 is for being slidingly matched.The outer surface of interior pipe 2 has along interior pipe 2 axially extended plane 2e, is fixed with positioning key 4 in the endoporus of lining 3, and the plane 2e of positioning key 4 and interior pipe 2 is for being slidingly matched.Aperture and the aperture on lining 3 and the outer tube 1 that the rear portion of positioning key 4 has outstanding cylinder 4a to pass on lining 3 and the outer tube 1 are riveted.Stamp out outwards outstanding hook 2d on the plane 2e of interior pipe lower end.Above hook 2d, projection 2c is arranged.When reaching extreme position outside the interior pipe 2, hook 2d props up the lower end of positioning key 4, and with the stroke of pipe 2 in limiting, when rod launched in preventing, interior pipe 2 was deviate from from outer tube 1.Simultaneously, projection 2c props up the front portion of positioning key 4, to eliminate the gap between plane 2e and the positioning key 4, produces between pipe 2 and the outer tube 1 in preventing and rocks.
In the utility model umbrella shown in Figure 7 among the excellent stretching structure embodiment 4, the main body of interior pipe 2 and outer tube 1 outer surface is face of cylinder 2a and 1a, in pipe 2 outer surface have in 2 edges of symmetric arrangement and manage 2 axially extended plane 2e, the outer surface of outer tube 1 has 1 along outer tube 1 axially extended plane 1c.In embodiment 4, because interior pipe 2 and outer tube 1 all have the axially extended plane along pipe, can place restrictions on it and relatively rotate, so the effect of positioning key 4 is not to be used for preventing relatively rotating between interior pipe and outer tube, mainly be to deviate from from the upper end of outer tube when pipe is overhanging in being used for preventing.
In the utility model umbrella shown in Figure 8 among the excellent stretching structure embodiment 5, the outer surface of outer tube 1 have 2 symmetric arrangement along outer tube 1 axially extended plane 1c, and the outer surface symmetric arrangement of interior pipe 2 pipe 2 axially extended plane 2e and 1 groove 2b in 1 edge.
In Fig. 9 and the utility model umbrella shown in Figure 10 among the excellent stretching structure embodiment 6 and 7, the outer surface of outer tube 1 or interior pipe 2 all is a prismatic surface, the cross section of embodiment 6 outer tubes is a regular hexagon, the cross section of embodiment 7 outer tubes is an octagon, because can not relatively rotate between the inner and outer pipes, the effect of positioning key 4 mainly is to deviate from from the upper end of outer tube when pipe is overhanging in being used for preventing.
The main body of the cross section of the outer tube of excellent stretching structure embodiment 8 is oval in the utility model umbrella shown in Figure 11.
Be inlaid with lining in the endoporus of excellent stretching structure embodiment outer tube upper end in the utility model umbrella, the endoporus of lining and the outer surface of interior pipe are slidingly matched and internally manage guiding.Be fixed with in the endoporus by lining in the groove of positioning key and interior pipe lower end protrusion offset prevent in pipe from outer tube, deviate from.With respect to prior art, this structure need not shrink and expand body, and technology is simple, and the technology cost is low.Lining can adopt antifriction material, and the sliding-frictional resistance of interior pipe motion reduces, and parachute-opening or close one's umbrella smooth and easyly can not pulled interior pipe, can improve the service lifes of many folding umbrellas.
Claims (10)
1. excellent stretching structure in the umbrella, pipe and outer tube in comprising, described in pipe and outer tube socket, it is characterized in that be inlaid with lining in the endoporus on the described outer tube, the endoporus of lining and the outer surface of interior pipe are and are slidingly matched; Be fixed with positioning key in the endoporus of lining, described positioning key is relative along axially extended groove of interior pipe or plane with interior pipe appearance; There is protrusion on described groove or plane at the lower end part of interior pipe, and when reaching extreme position outside the interior pipe, described protrusion props up the lower end of described positioning key.
2. excellent stretching structure in the umbrella according to claim 1 is characterized in that, the main body of the outer surface of described outer tube or interior pipe is the face of cylinder or elliptic cylinder.
3. excellent stretching structure in the umbrella according to claim 2 is characterized in that, the appearance of described interior pipe and outer tube all has the groove or the plane of extending vertically, and the groove of interior pipe or number of planes Duo 1 than the groove or the number of planes of outer tube.
4. excellent stretching structure in the umbrella according to claim 3 is characterized in that, the groove or the plane quantity of described interior pipe are 2, and the groove of outer tube or plane quantity are 1; The groove of interior pipe or plane symmetry are arranged.
5. excellent stretching structure in the umbrella according to claim 1 is characterized in that, the outer surface of described outer tube or interior pipe is a prismatic surface.
6. according to excellent stretching structure in the described umbrella of arbitrary claim in the claim 1 to 5, it is characterized in that the rear portion of described positioning key has outstanding cylinder to pass aperture on lining and the outer tube, with described aperture riveted joint.
7. according to excellent stretching structure in the described umbrella of arbitrary claim in the claim 1 to 5, it is characterized in that, described protrusion is a hook outstanding on limited block or the interior pipe, and the rear portion of described limited block has outstanding cylinder to penetrate in the aperture on interior pipe lower end groove or plane; There is projection on the bottom land of described groove or described plane above limited block or hook; When reaching extreme position outside the interior pipe, described limited block or hook prop up the lower end of positioning key, and described projection props up the front portion of positioning key.
8. according to excellent stretching structure in the described umbrella of arbitrary claim in the claim 1 to 5, it is characterized in that described lining is copper sheathing or plastic sheath.
9. excellent stretching structure in the umbrella according to claim 8 is characterized in that described lining is a plastic sheath, and described plastics are a kind of in PP, ABS, PE, PA, the PC plastics.
10. according to excellent stretching structure in the described umbrella of arbitrary claim in the claim 1 to 5, it is characterized in that the wall thickness of described lining is 0.01 to 1.0 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008201289358U CN201504666U (en) | 2008-11-06 | 2009-05-26 | Umbrella shaft extension structure |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820213162.3 | 2008-11-06 | ||
| CN2008201289358U CN201504666U (en) | 2008-11-06 | 2009-05-26 | Umbrella shaft extension structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201504666U true CN201504666U (en) | 2010-06-16 |
Family
ID=42465802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008201289358U Expired - Fee Related CN201504666U (en) | 2008-11-06 | 2009-05-26 | Umbrella shaft extension structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201504666U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104095367A (en) * | 2014-06-30 | 2014-10-15 | 苏州鸿大金属制品有限公司 | Lined copper pipe with externally-pushed deformation structure of umbrella handle |
| CN108226569A (en) * | 2017-12-28 | 2018-06-29 | 宝鸡特种飞行器工程研究院有限公司 | Concertina type pitot |
-
2009
- 2009-05-26 CN CN2008201289358U patent/CN201504666U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104095367A (en) * | 2014-06-30 | 2014-10-15 | 苏州鸿大金属制品有限公司 | Lined copper pipe with externally-pushed deformation structure of umbrella handle |
| CN104095367B (en) * | 2014-06-30 | 2016-01-20 | 苏州鸿大金属制品有限公司 | Outer support deformation structure umbrella handle liner copper pipe |
| CN108226569A (en) * | 2017-12-28 | 2018-06-29 | 宝鸡特种飞行器工程研究院有限公司 | Concertina type pitot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100616 Termination date: 20110526 |