Abstract
A rod of an umbrella is a rod having a tail end and an extension rod having two ends; one end of the extension rod is detachably connected to the tail end of the rod; the rod is a hollow tube in which the extension rod is inserted, a limiting mechanism is located inside the rod for limiting insertion of the extension rod; the extension rod is made of rigid material or elastic material. When in use, the assembly can be completed by inserting the extension rod into the tail end of the rod, so that the rod becomes longer and is very easy to use. In the present invention, the rod is simple and reasonable in structure and easy and quick for operation and assembly, which can greatly increase the shading area, meet the functional requirements of the product, and reduce the packaging and transportation costs.
Claims
1. A rod of an umbrella, comprising: a rod having a tail end; and an extension rod having a main body, a first end, an opposite second end, and the second end having a circular coil; wherein, the extension rod is made of rigid material or elastic material; an inserting section is formed by the first end of the extension rod; the inserting section of the extension rod is detachably connected to the tail end of the rod, the circular coil on the second end forms a turning end; the elastic material comprises spring steel, glass fiber, carbon fiber, or plastic.
2. The rod of claim 1, wherein the rod is a hollow tube in which the extension rod is inserted, a limiting mechanism is located inside the rod for limiting insertion depth of the extension rod.
3. The rod of claim 2, wherein the limiting mechanism comprises a joint disposed inside the rod, the inserting section of the extension rod is inserted into the rod and is limited by resisting against the joint; or the limiting mechanism comprises a fastener connected to the tail end of the rod, the inserting section of the extension rod is inserted into the rod and is limited by resisting against the fastener; or the limiting mechanism comprises a recess located at a surface of the tail end of the rod, the inserting section of the extension rod is inserted into the rod and is limited by resisting against an inner sidewall of the rod corresponding to the recess.
4. The rod of claim 3, wherein the joint located inside the tail end of the rod is hollow and has an open end and a closed end; the closed end of the joint inserts inside the rod from the tail end of the rod, and the joint has a flange at the open end of the joint which rests against the tail end of the rod so that the flange of the joint is positioned at the tail end of the rod; the inserting section of the extension rod is inserted into the joint and insertion of the extension rod is limited when the extension rod pushes against an inner sidewall of the closed end of the joint.
5. The rod of claim 3, wherein the fastener is a rivet, a screw, or a pin radially running through the tail end of the rod, and insertion of the inserting section of the extension rod is limited by the fastener.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
(1) FIG. 1 is a front view of the a rod according to Embodiment 4, 5, and 6 of the present invention;
(2) FIG. 2 is a perspective view of an umbrella with the rod of Embodiments 4, 5, and 6 of the present invention;
(3) FIG. 3 is a front view of the rod with an elastic extension rod bent under the action of a canopy according to Embodiments 4, 5 and 6 of the present invention;
(4) FIG. 4 is a perspective view of a rod according to Embodiment 1 of the present invention;
(5) FIG. 5 is an exploded view of FIG. 4;
(6) FIG. 6 is a partial sectional view of FIG. 4;
(7) FIG. 7 is a perspective view of the rod according to Embodiment 2 of the present invention;
(8) FIG. 8 is an exploded view of FIG. 7;
(9) FIG. 9 is a partial sectional view of FIG. 7;
(10) FIG. 10 is a perspective view of the rod according to Embodiment 3 of the present invention;
(11) FIG. 11 is an exploded view of FIG. 10;
(12) FIG. 12 is a partial sectional view of FIG. 10;
(13) FIG. 13 is a perspective view of the rod according to Embodiment 4 of the present invention;
(14) FIG. 14 is an exploded view of FIG. 13;
(15) FIG. 14A is an enlarged view of a detail in FIG. 14;
(16) FIG. 15 is a partial sectional view of FIG. 13;
(17) FIG. 16 is a perspective view of the rod according to Embodiment 5 of the present invention;
(18) FIG. 17 is an exploded view of FIG. 16;
(19) FIG. 18 is a partial sectional view of FIG. 16;
(20) FIG. 19 is a perspective view of the rod according to Embodiment 6 of the present invention;
(21) FIG. 20 is an exploded view of FIG. 19;
(22) FIG. 21 is a partial sectional view of FIG. 19;
(23) FIG. 22 is a perspective view of the rod according to Embodiment 7 of the present invention;
(24) FIG. 23 is an exploded view of FIG. 22;
(25) FIG. 24 is a partial sectional view of FIG. 22.
DETAILED DESCRIPTION OF THE INVENTION
(26) The present invention will be further described in detail by embodiments with reference to the accompanying drawings.
Embodiment 1
(27) As shown in FIGS. 4 to 6, a rod of an umbrella comprises a rod 1 having a tail end and an extension rod 2 having two end; one end of the extension rod 2 is detachably connected to the tail end of the rod 1. The rod 1 is a hollow tube in which the extension rod 2 is inserted, a limiting mechanism is located inside the rod 1 for limiting insertion of the extension rod 2.
(28) In this embodiment, the extension rod 2 is made of rigid material, and the limiting mechanism is that a joint 3 is disposed inside the rod 1, the joint 3 located inside the tail end of the rod 1 is hollow and has an open end and a closed end; the joint 3 has a flange 32 at the end of the joint 3, the flange 32 has a closed end that blocks the tail end of the rod 1; one end of the extension rod 2 is inserted into the joint 3 and insertion of the extension rod is limited when the extension rod pushes against an inner sidewall 31 of the closed end the joint 3.
(29) When in use, the assembly can be completed just by inserting the extension rod 2 into the tail end of the rod 1, which is very easy and can also reduce the packaging cost.
Embodiment 2
(30) As shown in FIGS. 7 to 9, the difference from Embodiment 1 is that the limiting mechanism is a fastener such as a rivet 4. The rivet 4 runs through and is riveted to and the rod 1 transversely, and the extension rod 2 is made of rigid material, one end of the extension rod 2 is inserted into the rod 1 and is limited by the rivet 4. Of course, the fastener may also be replaced by a screw or a pin.
Embodiment 3
(31) As shown in FIGS. 10 to 12, the difference from Embodiment 1 is that the limiting mechanism is a recess 5 punched at an end portion of the rod 1, similar to a depression machined by punching, and the extension rod 2 is made of rigid material, one end of the extension rod 2 is inserted into the rod 1 and is limited by the recess 5.
Embodiment 4
(32) As shown in FIGS. 13 to 15, the difference from Embodiment 1 is that the extension rod 2 is made of elastic material, and the elastic material comprises spring steel, glass fiber, carbon fiber, or plastic; and one end of the extension rod 2 has an elastically deformable inserting section 22, and the other end 23 of the extension rod 2 is defined as a turning end. The inserting section 22 is formed by overlapping a plurality of rod sections connected longitudinally, and the other end 23 of the extension rod 2 has a circular coil formed by overlapping a plurality of rod sections connected vertically, so that the connection strength of the extension rod 2 inserted into the joint 3 of the rod 1 can be properly adjusted, and one end of the extension rod 2 is inserted into the joint 3 and insertion of the extension rod is limited when the extension rod pushes against an inner sidewall 31 of the closed end the joint 3.
Embodiment 5
(33) As shown in FIGS. 16 to 18, the difference from Embodiment 2 is that the extension rod 2 is made of elastic material, and the elastic material comprises spring steel, glass fiber, carbon fiber, or plastic; and one end of the extension rod 2 has an elastically deformable inserting section 22, and the other end 23 of the extension rod 2 is defined as a turning end. The inserting section 22 is formed by overlapping a plurality of rod sections connected longitudinally, and the other end 23 of the extension rod 2 has a circular coil formed by overlapping a plurality of rod sections connected vertically, and one end of the extension rod 2 is inserted into the tail end of the rod 1 and is limited by the rivet 4.
Embodiment 6
(34) As shown in FIGS. 19 to 21, the difference from Embodiment 3 is that the extension rod 2 is made of elastic material, and the elastic material comprises spring steel, glass fiber, carbon fiber, or plastic; and one end of the extension rod 2 has an elastically deformable inserting section 22, and the other end 23 of the extension rod 2 is defined as a turning end. The inserting section 22 is formed by overlapping a plurality of rod sections connected longitudinally, and the other end 23 of the extension rod 2 has a circular coil formed by overlapping a plurality of rod sections connected vertically, and one end of the extension rod 2 is inserted into the rod 1 and is limited by the recess 5.
Embodiment 7
(35) As shown in FIGS. 22 to 24, the difference from the Embodiment 1 is that the limiting mechanism is not necessarily disposed in the rod 1, and the extension rod 2 is made of rigid material and the rod 1 is a hollow tube for one end of the extension rod 2 to insert inside; the extension rod 2 has a diameter greater than an inner diameter of the hollow rod 1, one end of the extension rod 2 has a small diameter section 21 to insert into the hollow rod 1, and a circular step 24 is formed between the small diameter section 21 and the main body of the extension rod 2 so as to make the extension rod 2 be positioned with the tail end of the rod 1.
(36) When the extension rod 2 is made of elastic material, in Embodiments 4, 5 and 6, the elastic extension rod 2 can be forced to bend under the tension of a canopy 6, as shown in FIG. 1 and FIG. 2, thus forming a special shape of umbrella, as shown in FIG. 2, which is more aesthetic.
(37) Those described above are merely preferred embodiments of the present invention. It should be noted that a number of improvements and refinements may be made by those of ordinary skill in the art without departing from the principles of the present invention, and such improvements and refinements shall also fall into the protection scope of the present invention.
