CN209788734U - Symmetrical umbrella rod and folding umbrella - Google Patents
Symmetrical umbrella rod and folding umbrella Download PDFInfo
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- CN209788734U CN209788734U CN201821704213.2U CN201821704213U CN209788734U CN 209788734 U CN209788734 U CN 209788734U CN 201821704213 U CN201821704213 U CN 201821704213U CN 209788734 U CN209788734 U CN 209788734U
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- 238000005452 bending Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000004262 dental pulp cavity Anatomy 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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- Walking Sticks, Umbrellas, And Fans (AREA)
Abstract
The utility model discloses a symmetry umbrella pole and folding umbrella, wherein, the symmetry umbrella pole is cup jointed by the slip of the interior outer pipe fitting more than two sections and is formed, the radial cross section outline of outermost pipe fitting includes the first straight line limit that four length equal, the second straight line limit that four length equal, the third straight line limit that two length equal, the fourth straight line limit that two length equal and the arc limit that four arc length equal, two third straight line limits are parallel to each other, two fourth straight line limits are parallel to each other, two third straight line limits and two fourth straight line limits set up perpendicularly and form the quadrangle shape that each tip is not connected, first straight line limit, arc limit and second straight line limit connect gradually the back as whole set up between third straight line limit and fourth straight line limit, and be connected with third straight line limit and fourth straight line limit, form the inequilateral shape of symmetry. The technical scheme of the utility model can solve each pipe fitting and produce the problem of turning round partially, easily wearing and tearing, intensity reduction between pipe and pipe to the life of extension folding umbrella.
Description
Technical Field
The utility model relates to an umbrella technical field, in particular to symmetry umbrella pole and folding umbrella of using this symmetry umbrella pole.
Background
At present, the folding umbrella in daily life is convenient to carry and use due to the folding characteristic, and is popular among people. The umbrella pole of folding umbrella generally is the well stick of many root canals spare, and many root canals spare telescopic connection form the umbrella pole to in receive the umbrella and open the umbrella, however, present umbrella pole structure is receiving the umbrella or is opening the umbrella in-process, often takes place the distortion phenomenon very easily between each pipe fitting in the well stick, so that the folding function of well stick is inefficacy. Moreover, the cross section of each pipe fitting is mostly polygonal, and the friction between the pipes can be increased due to the polygonal edges of the pipe fittings, so that the joints between the pipes are easy to wear, and the umbrella opening and closing operation is laborious; meanwhile, the strength of the middle rod is reduced, and the service life of the folding umbrella is further influenced.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a symmetry umbrella pole, aim at solving the problem that each pipe fitting of stick produces the inclined to one side and turns round, easy wearing and tearing between pipe and pipe, intensity reduce among the current folding umbrella to the life of extension folding umbrella.
In order to achieve the above object, the symmetrical umbrella rod provided by the present invention is formed by slidably sleeving more than two sections of inner and outer pipes, wherein the inner pipe is provided with an inner concave surface extending along the length direction of the pipe, the outer contour of the radial cross section of the outermost pipe comprises four first straight lines with equal length, four second straight lines with equal length, two third straight lines with equal length, two fourth straight lines with equal length, and four arc-shaped sides with equal arc length, the two third straight lines are parallel to each other, the two fourth straight lines are parallel to each other, the two third straight lines and the two fourth straight lines enclose to form a quadrilateral shape with unconnected end portions, the extension lines of the third straight lines and the fourth straight lines are perpendicular to each other, the first straight lines, the arc-shaped sides and the second straight lines are connected in sequence and then are integrally arranged between the third straight lines and the fourth straight lines, and is connected with the third straight line side and the fourth straight line side to form a symmetrical inequilateral shape.
Optionally, the arc-shaped edge is a circular arc edge and is recessed towards the inner pipe element.
Optionally, the radius of the arc-shaped edge is 0.8mm-1.5 mm.
Optionally, the length of the first straight-line side is equal to the length of the second straight-line side, and the length of the third straight-line side is equal to the length of the fourth straight-line side.
Optionally, the length of the first straight side is less than the length of the third straight side.
Optionally, the distance between two opposite first straight edges is 12.5mm-12.7 mm; and/or the distance between the two opposite third straight line sides is 11.9mm-12 mm; and/or the distance between two opposite arc-shaped edges is 12.9mm-13.1 mm.
Optionally, the length of the first straight side is 1.9mm-2.3 mm; and/or the length of the third straight line side is 4.6mm-4.9 mm.
Optionally, in two adjacent pipe fittings which are slidably sleeved, the number of the inner concave surfaces of the inner pipe fitting is at least one more than that of the outer pipe fitting, and the inner concave surface is opposite to one straight line side of the radial cross section of the outer pipe fitting.
The utility model also provides a folding umbrella, folding umbrella includes umbrella stick, symmetry umbrella pole, umbrella frame and umbrella face, the symmetry umbrella pole is cup jointed by the slip of interior outer pipe fitting more than two sections and is formed, interior pipe fitting all is equipped with the interior concave surface that extends along pipe fitting length direction, and the radial cross section outline of outermost pipe fitting includes that four length equals first straight line limit, four length equal second straight line limit, two length equal third straight line limit, two length equal fourth straight line limit and four arc limits that arc length equals, two third straight line limit is parallel to each other, two fourth straight line limit is parallel to each other, two third straight line limit and two fourth straight line limit encloses to close the quadrangle shape that forms each tip not connected, just third straight line limit with the extension line mutually perpendicular on fourth straight line limit, first straight line limit the arc limit reaches as a whole after the second straight line limit connects gradually set up in third straight line limit with the umbrella stick with The fourth straight line side is connected with the third straight line side and the fourth straight line side to form a symmetrical inequilateral shape; one end of the symmetrical umbrella rods is connected with the umbrella handle, the other end of the symmetrical umbrella rods is connected with the umbrella framework, and the umbrella fabric is installed on the umbrella framework.
Optionally, the lower end of the innermost pipe of the symmetrical umbrella rod is connected to the umbrella handle, and the upper end of the outermost pipe is connected to the umbrella framework.
According to the technical scheme of the utility model, the symmetrical umbrella rod is formed by more than two sections of inner and outer pipe fittings in a sliding sleeved mode, the inner pipe fittings are provided with inner concave surfaces extending along the length direction of the pipe fittings, the bending resistance of the inner pipe fittings can be enhanced due to the arrangement of the inner concave surfaces, and the size of the pipe fittings can be reduced; and the cavity formed between two adjacent pipe fittings can make each pipe fitting be difficult for wearing and tearing, and is more smooth and easy when sliding, improves the number of times of sliding between the adjacent pipe fittings, prolongs the life of folding umbrella. Meanwhile, the outer contour shape of the radial cross section of the outermost pipe fitting is a symmetrical inequilateral shape and comprises twelve straight sides and four arc sides, and the arrangement of the arc sides can effectively enhance the bending resistance of the outer pipe fitting, so that the pipe fitting is prevented from generating an eccentric torsion phenomenon, and the service life of the symmetrical umbrella rod is prolonged. And, the setting of symmetry pipe fitting is more convenient for produce processing, effectively improves production efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of a radial cross-sectional structure of an embodiment of a symmetrical umbrella rod of the present invention;
FIG. 2 is a schematic view of a radial cross-sectional structure of the outer tube of FIG. 1;
FIG. 3 is a schematic view of a radial cross-section of the first intermediate pipe of FIG. 1;
FIG. 4 is a schematic view of a radial cross-section of the second middle tube in FIG. 1;
FIG. 5 is a schematic view of a radial cross-section of the third middle tube in FIG. 1;
Fig. 6 is a schematic view of a radial cross-sectional structure of the inner tube of fig. 1.
the reference numbers illustrate:
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
in addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
The utility model provides a symmetrical umbrella pole 100, which is applied to a folding umbrella. The symmetrical umbrella rod 100 is formed by more than two sections of inner and outer pipe fittings which are sleeved in a sliding mode, and the inner pipe fittings are provided with inner concave surfaces extending along the length direction of the pipe fittings. The inner concave surface is formed by punching the surface of the inner pipe fitting, the inner concave surface is arranged so that the adjacent two layers of pipe fittings are not contacted with each other to form a cavity, and other positions are mechanically matched. With such an arrangement, the bending strength of the pipe can be enhanced and the size of the pipe can be reduced compared with a pipe without an inner concave surface. Meanwhile, the formed cavity can enable adjacent pipe fittings to be smooth and easy when sliding, and the pipe fittings are not easy to wear, so that the sliding times among the pipe fittings are improved, and the service life of the folding umbrella can be prolonged.
As shown in fig. 1 to 6, in an embodiment of the symmetrical umbrella stick 100 of the present invention, the outer contour of the radial cross section of the outermost pipe comprises four first straight sides 11 with equal length, four second straight sides 12 with equal length, two third straight sides 13 with equal length, two fourth straight sides 14 with equal length, and four arc sides 15 with equal arc length, two third straight sides 13 are parallel to each other, two fourth straight sides 14 are parallel to each other, two third straight sides 13 and two fourth straight sides 14 enclose to form a quadrilateral shape with unconnected ends, the extension lines of the third straight sides 13 and the fourth straight sides 14 are perpendicular to each other, the first straight sides 11, the arc sides 15 and the second straight sides 12 are connected in sequence and then are disposed between the third straight sides 13 and the fourth straight sides 14 as a whole, and are connected with the third straight sides 13 and the fourth straight sides 14, forming a symmetrical inequilateral shape.
Specifically, the inner pipe and the outer pipe are made of metal materials, have high strength and are generally made of aluminum materials; the number of the inner and outer tubes is generally three or five, and the inner and outer tubes are slidably sleeved to form a telescopic symmetrical umbrella rod 100. The outer contour shape of the radial cross section of the outermost pipe fitting is a symmetrical inequilateral shape and comprises two third straight line sides 13 which are parallel to each other and are equal to each other, two fourth straight line sides 14 which are parallel to each other and are equal to each other, four first straight line sides 11 which are equal to each other in length, four second straight line sides 12 which are equal to each other in length and four arc-shaped sides 15 which are equal to each arc-shaped side in length, the third straight line sides 13 and the fourth straight line sides 14 are vertically arranged to form a quadrilateral shape with unconnected end parts, the first straight line sides 11, the arc-shaped sides 15 and the second straight line sides 12 are sequentially connected end to end and are integrally arranged between the third straight line sides 13 and the fourth straight line sides 14 and are connected with the third straight line sides 13 and the fourth straight line sides 14, and therefore a symmetrical inequilateral shape can be formed, and the symmetrical shape is symmetrical along the midperpendings of the third. Because the arc-shaped edge 15 is arranged, namely the outer pipe element is provided with the arc surface, the bending resistance of the outer pipe element can be effectively enhanced, and the appearance is more attractive.
It should be noted that the arc-shaped edge 15 may be an arc-shaped edge or a non-arc-shaped edge; the first straight side 11, the second straight side 12, the third straight side 13 and the fourth straight side 14 may be two or three of the straight sides having the same length.
Therefore, it can be understood that, in the technical solution of the present invention, the symmetrical umbrella rod 100 is formed by slidably sleeving more than two sections of inner and outer pipe members, the inner pipe members are all provided with inner concave surfaces extending along the length direction of the pipe members, and the arrangement of the inner concave surfaces can enhance the bending resistance of the inner pipe members and is beneficial to reducing the size of the pipe members; and the cavity formed between two adjacent pipe fittings can make each pipe fitting be difficult for wearing and tearing, and is more smooth and easy when sliding, improves the number of times of sliding between the adjacent pipe fittings, prolongs the life of folding umbrella. Meanwhile, the outer contour shape of the radial cross section of the outermost pipe fitting is a symmetrical inequilateral shape and comprises twelve straight sides and four arc sides 15, and the bending resistance of the outer pipe fitting can be effectively enhanced by the arrangement of the arc sides 15, so that the phenomenon of deflection and torsion of the pipe fitting is prevented, and the service life of the symmetrical umbrella rod is prolonged. And, the setting of symmetry pipe fitting is more convenient for produce processing, effectively improves production efficiency.
Optionally, the arcuate edge 15 is a circular arc edge and is concave towards the inner tubular member. Therefore, the processing operation is convenient, and the appearance of the manufactured symmetrical umbrella rod is more beautiful.
Optionally, the radius of the arcuate edge 15 is 0.8mm to 1.5 mm. For example, the radius of the curved edge 15 is 0.8mm, or 1.0mm, or 1.5 mm.
In an embodiment of the present invention, please refer to fig. 2 again, the length of the first straight line side 11 is equal to the length of the second straight line side 12, the length of the third straight line side 13 is equal to the length of the fourth straight line side 14, that is, of the twelve straight line sides, four straight line sides are equal in length, and the other eight straight line sides are equal in length, so as to facilitate the production and processing, so as to improve the production efficiency; meanwhile, the direction does not need to be accurately found during the assembly of each pipe fitting, the pipe fittings can be directly assembled, and the assembly efficiency is effectively improved.
Optionally, the length of the first straight-line side 11 is not equal to the length of the third straight-line side 13, that is, of the twelve straight-line sides, there may be four long sides with equal length and eight short sides with equal length; of course, four short sides of equal length and eight long sides of equal length are also possible. In other embodiments, the length of the first straight side 11 and the length of the third straight side 13 may also be equal, that is, twelve straight sides are equal in length.
Optionally, the length of the first rectilinear side 11 is smaller than the length of the third side 12. In this embodiment, the first straight side 11 is a long side, and the third straight side 12 is a short side, it can be understood that the outer contour shape of the radial cross section of the outermost tube includes twelve straight sides including four long sides and eight short sides, where the lengths of the four long sides are equal, and the lengths of the eight short sides are equal.
Optionally, the distance between the two first straight sides 11 is 12.5mm-12.7 mm. For example, the distance between two opposite first straight edges is 12.5mm, 12.6mm or 12.7 mm.
Optionally, the distance between the two opposite third straight sides 13 is 11.9mm-12 mm. For example, the distance between the two opposite third straight edges 13 is 11.9mm or 12 mm.
Optionally, the distance between the two opposite arc-shaped edges 15 is 12.9mm-13.1 mm. For example, the distance between two opposite arc-shaped edges 15 is 12.9mm or 13.1 mm.
Optionally, the length of the first straight side 11 is 1.9mm-2.3 mm. For example, a length of 1.9mm, or 2.0mm, or 2.1mm, or 2.3mm of the first straight side 11 is used.
Optionally, the length of the third straight side 13 is 4.6mm-4.9 mm. For example, a length of 4.6mm, or 4.7mm, or 4.8mm, or 4.9mm of the third straight side 13 is used.
In an embodiment of the present invention, in the two adjacent pipe fittings that are slidably connected to each other, the number of the inner concave surfaces of the inner pipe fitting is at least one more than the number of the inner concave surfaces of the outer pipe fitting, and the inner concave surfaces are arranged opposite to one straight line side of the radial cross section of the outer pipe fitting.
Specifically, in two adjacent pipe fittings which are slidably sleeved, the number of the inner concave surfaces of the inner pipe fitting is one more, or two more, or three more than the number of the inner concave surfaces of the outer pipe fitting, and the like, and the number of the inner concave surfaces of the inner pipe fitting can be set as required in practical application, and is not discussed one by one. For example, the number of the inner concave surfaces of the inner pipe can be one or two, and the number of the inner concave surfaces of the outer pipe can be two or three, so that the structure between the pipe fittings is more compact, and the bending resistance is enhanced. The concave surface is opposite to one straight line side of the radial cross section of the outer pipe fitting, and a cavity is formed to facilitate sliding between the pipe fittings. It will be appreciated that, correspondingly, the number of straight sides of the radial cross-section of the inner tube member is at least one less than the number of straight sides of the radial cross-section of the outer tube member, and the sum of the number of straight sides of the inner tube member and the number of inner concave surfaces is equal to the sum of the number of straight sides of the outer tube member and the number of inner concave surfaces.
Optionally, when the pipe of the inner layer has an even number of inner concave surfaces, the even number of inner concave surfaces are symmetrically distributed on the pipe. The arrangement is uniform in stress in the using process, processing and manufacturing of the concave surface are facilitated, and meanwhile, the direction of the inner pipe fitting does not need to be accurately found during assembling, direct assembling is facilitated, and therefore assembling efficiency is improved.
Optionally, the inner layer pipe has a plurality of inner concave surfaces, and the plurality of inner concave surfaces are the same size. The sizes of the plurality of concave surfaces are set to be the same, so that the processing and the manufacturing are convenient.
In an embodiment of the present invention, referring to fig. 1 to 6 again, the symmetrical umbrella rod 100 includes five sections of pipe members slidably connected from inside to outside in sequence, namely, an outer pipe 10, a first middle pipe 20, a second middle pipe 30, a third middle pipe 40 and an inner pipe 50 from outside to inside in sequence, the first middle pipe 20 has a first inner concave surface 21, and the first inner concave surface 21 is opposite to a straight edge of the outer pipe 10; the second middle tube 30 has two second concave surfaces 31, the two second concave surfaces 31 are arranged oppositely, and one second concave surface 31 is opposite to the first concave surface 21; the third middle tube 40 has three third concave surfaces 41, wherein two of the third concave surfaces 41 are respectively opposite to the two second concave surfaces 31, and one of the third concave surfaces 41 is opposite to a straight edge of the outer tube 10; the inner tube 50 has four fourth concave surfaces 51, three of the fourth concave surfaces 51 are opposite to the three third concave surfaces 41, and one of the fourth concave surfaces 51 is opposite to a straight side of the outer tube 10.
specifically, the first middle tube 20 has a first inner concave surface 21, the first inner concave surface 21 extends along the length direction of the first middle tube 20 and penetrates through two ends of the first middle tube 20, and the first inner concave surface 21 is disposed opposite to the third straight edge 13 of the outer tube 10. The second middle tube 30 is provided with two opposite second inner concave surfaces 31, the second inner concave surfaces 31 also extend along the length direction of the second middle tube 30 and penetrate through two ends of the second middle tube 30, the two second inner concave surfaces 31 are respectively arranged opposite to the two opposite third straight edges 13, and the second inner concave surfaces 31 are matched with the first inner concave surfaces 21 and can slide relatively to the first inner concave surfaces. Three third inner concave surfaces 41 are formed on the surface of the third middle pipe 40, and each third inner concave surface 41 extends along the length direction of the third middle pipe 40 and penetrates through two ends of the third middle pipe 40; two of which are oppositely arranged and are respectively opposite to the two opposite third straight edges 13; one of which is arranged opposite to a fourth straight edge 14 and the third concave surface 41 is also adapted to the second concave surface 31, and the two can slide relatively. The inner tube 50 is formed with four fourth concave surfaces 51, which are respectively disposed opposite to the two third straight sides 13 and the two fourth straight sides 14, and each fourth concave surface 51 extends along the length direction of the inner tube 50 and penetrates through two ends of the inner tube 50. Similarly, the fourth concave surface 51 is also matched with the third concave surface 41, and the two can slide relatively.
Preferably, two second concave surfaces 31 are symmetrically distributed in the second middle pipe 30, and four fourth concave surfaces 51 are symmetrically distributed in the fourth middle pipe 50, so the stress is more even in the use process, and the processing and manufacturing of the concave surfaces are convenient, meanwhile, the direction of the inner pipe fitting does not need to be found when the inner pipe fitting is assembled, so that the direct assembly is convenient, and the assembly efficiency is improved.
Certainly, in some other embodiments, the first concave surface 21 may also be disposed opposite to the first straight line edge, the second straight line edge, or the fourth straight line edge of the outer tube 10, and other structural position relationships may refer to the structural position relationship of this embodiment, which is not described herein again.
the utility model also provides a folding umbrella, folding umbrella includes as before symmetry umbrella pole 100, and the concrete structure of this symmetry umbrella pole 100 refers to aforementioned embodiment. Since the folding umbrella adopts all the technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and no further description is given here.
In addition, the folding umbrella further comprises an umbrella handle, an umbrella frame and an umbrella cover, wherein one end of the symmetrical umbrella rod 100 is connected to the umbrella handle, the other end of the symmetrical umbrella rod is connected to the umbrella frame, and the umbrella cover is installed on the umbrella frame. The lower ends of the symmetrical poles 100 are attached to the handle typically by a screw connection, a snap connection, or other reasonable and effective connection. The upper ends of the symmetrical poles 100 are typically connected to the umbrella frame via upper nests, which open the canopy.
further, the lower ends of the innermost pipe elements of the symmetrical umbrella rods 100 are connected to the umbrella handle, and the upper ends of the outermost pipe elements are connected to the umbrella frame. Thus, the opening and closing operations of the folding umbrella can be realized by the expansion and contraction of the symmetrical umbrella rod 100.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (9)
1. A symmetrical umbrella rod is formed by more than two sections of inner and outer pipe fittings in a sliding sleeved mode, the inner pipe fittings are provided with inner concave surfaces extending along the length direction of the pipe fittings, and the symmetrical umbrella rod is characterized in that the outer profile of the radial cross section of the outermost pipe fitting comprises four first straight line sides with equal length, four second straight line sides with equal length, two third straight line sides with equal length, two fourth straight line sides with equal length and four arc sides with equal arc length, the two third straight line sides are parallel to each other, the two fourth straight line sides are parallel to each other, the two third straight line sides and the two fourth straight line sides are enclosed to form a quadrilateral shape with unconnected end portions, extension lines of the third straight line sides and the fourth straight line sides are perpendicular to each other, the first straight line sides, the arc sides and the second straight line sides are sequentially connected and then are integrally arranged between the third straight line sides and the fourth straight line sides, and is connected with the third straight line side and the fourth straight line side to form a symmetrical inequilateral shape; the arc edge is an arc edge and is concave towards the inner pipe fitting.
2. A symmetrical umbrella pole as defined in claim 1, wherein said curved edge has a radius of 0.8mm to 1.5 mm.
3. a symmetrical umbrella pole as defined in claim 1 wherein said first linear side and said second linear side are of equal length and said third linear side and said fourth linear side are of equal length.
4. A symmetrical umbrella pole as defined in claim 3 wherein said first linear side has a length less than a length of said third linear side.
5. a symmetrical umbrella pole as claimed in claim 4, wherein the spacing between opposing first rectilinear edges is from 12.5mm to 12.7 mm; and/or the presence of a gas in the gas,
the distance between the two opposite third straight line sides is 11.9mm-12 mm; and/or the presence of a gas in the gas,
the distance between the two opposite arc-shaped edges is 12.9mm-13.1 mm.
6. A symmetrical umbrella pole as claimed in claim 4, wherein the first straight side has a length of 1.9mm to 2.3 mm;
And/or the length of the third straight line side is 4.6mm-4.9 mm.
7. A symmetric umbrella pole as claimed in any one of claims 1 to 6, wherein in adjacent tubes which are slidably received together, the number of concave surfaces in the inner tube is at least one greater than the number of concave surfaces in the outer tube, and the concave surfaces are disposed opposite a straight edge of the radial cross-section of the outer tube.
8. A folding umbrella, characterized in that, folding umbrella includes the umbrella stick, the symmetry umbrella pole, umbrella skeleton and the umbrella face of any one of claims 1 to 7, the one end of symmetry umbrella pole is connected in the umbrella stick, the other end is connected in the umbrella skeleton, the umbrella face is installed on the umbrella skeleton.
9. A folding umbrella as claimed in claim 8, wherein the symmetrical poles have the lower end of the innermost tubular member attached to the handle and the upper end of the outermost tubular member attached to the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821704213.2U CN209788734U (en) | 2018-10-19 | 2018-10-19 | Symmetrical umbrella rod and folding umbrella |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821704213.2U CN209788734U (en) | 2018-10-19 | 2018-10-19 | Symmetrical umbrella rod and folding umbrella |
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| CN209788734U true CN209788734U (en) | 2019-12-17 |
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| CN201821704213.2U Active CN209788734U (en) | 2018-10-19 | 2018-10-19 | Symmetrical umbrella rod and folding umbrella |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111424997A (en) * | 2020-04-07 | 2020-07-17 | 陆晨 | Laser marking device for building construction |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111424997A (en) * | 2020-04-07 | 2020-07-17 | 陆晨 | Laser marking device for building construction |
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Effective date of registration: 20240207 Address after: 344000 No.9, pinggaosan Road, industrial park, Lichuan County, Fuzhou City, Jiangxi Province Patentee after: Fuzhou Yuanfa Technology Co.,Ltd. Country or region after: China Address before: 516223 Tong'an Property, Caotang Residential Group, Dongfeng Village, Xinxu Town, Huiyang District, Huizhou City, Guangdong Province Patentee before: Huizhou zhongshuo Hardware Products Co.,Ltd. Country or region before: China |
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