CN211747451U - Multi-section middle rod jointing structure of folding umbrella - Google Patents

Abstract

A joint structure of multi-section middle rod of a novel folding umbrella comprises an inner tube and an outer tube, wherein one end of the inner tube is sleeved in the outer tube to form a joint, a concave blocking part and a concave buckling part with an inclined part are arranged at the joint end of the outer tube, a convex blocking part and a convex buckling part with an inclined part are arranged at the joint end of the inner tube, the convex blocking part of the inner tube is blocked by the concave blocking part of the outer tube to play a positioning role when the umbrella is unfolded and folded by axial movement, meanwhile, the convex buckling part of the inner tube is smoothly and elastically buckled by the concave buckling part of the outer tube, the convex blocking part is used for blocking the convex blocking part to prevent the inner tube from being separated from the outer tube, the concave buckling part is used for keeping the inner tube and the outer tube in a state when the umbrella is stretched and buckled firmly when the inner tube and the outer tube are unfolded and folded axially, the concave buckling part of the outer tube is in elastic contact with a buckling piece of the inner tube, the convex buckling part of the buckling piece is provided with an inclined part, and the, is arranged in the outer tube and is buckled with the convex buckling part of the inner tube.

Description

Multi-section middle rod jointing structure of folding umbrella

Technical Field

The utility model relates to a novel joint structure of multi-section middle rod of folding umbrella, belonging to the field of umbrella.

Background

The middle rod of the folding umbrella is generally a telescopic structure in which a plurality of pipe bodies are sequentially sleeved. The middle rod of the existing folding umbrella is inconvenient to assemble and is not smooth enough when being stretched after being assembled.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel joint structure of stick in multistage of folding umbrella to the well stick of solving current folding umbrella is inconvenient when the assembly, moreover when the assembly back is flexible smooth and easy problem inadequately.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a novel joint structure of stick in multistage of folding umbrella, includes inner tube and outer tube, the one end endotheca of inner tube forms the joint in the outer tube, and the outer tube joint end is equipped with the concave portion of detaining of keeping off and being equipped with the slope, and the inner tube joint end is equipped with protruding portion of keeping off and the protruding portion of detaining that is equipped with the slope, and the concave portion of keeping off of outer tube blocks the protruding portion of keeping off of inner tube and plays the positioning action when axial displacement opens and shuts the umbrella, and the outer tube is concave to detain the portion and is detained the portion through.

Furthermore, the joint end of the outer pipe is provided with a concave blocking part and a concave buckling part with an inclined part, the joint end of the inner pipe is provided with a first buckling part, the inner side of the first buckling part is provided with a first positioning protrusion, the inner pipe is provided with a first positioning hole, the first positioning protrusion is matched with the first positioning hole for fixing, one end of the first buckling part is the convex blocking part, the other end of the first buckling part is the convex buckling part, the middle part of the first buckling part is the inclined part which is concave, when the inner pipe and the outer pipe are axially stretched, the concave blocking part blocks the convex blocking part of the first buckling part, and the convex buckling part of the first buckling part is smoothly buckled by the concave buckling part through the.

Furthermore, the joint end of the outer pipe is provided with a concave blocking part and a concave buckling part with an inclined part, the joint end of the inner pipe is provided with a convex blocking part and a convex buckling part with an inclined part, the convex blocking part, the convex buckling part and the inner pipe form an integrated structure, when the inner pipe and the outer pipe are axially stretched, the convex blocking part is blocked by the concave blocking part, and the convex buckling part is smoothly buckled by the concave buckling part through the inclined part.

Furthermore, the joint end of the outer tube is provided with a concave blocking part and a concave buckling part provided with a second inclined part, the concave buckling part can be made into a second buckling part with the second inclined part, the inner side of the second buckling part is provided with a second positioning protrusion, the outer tube is provided with a second positioning hole, and the second positioning protrusion is matched with the second positioning hole for fixing.

Furthermore, the multi-section middle rod of the folding umbrella comprises a first pipe body, a second pipe body and a third pipe body which are sequentially sleeved; the joint structure of the first pipe body and the second pipe body and the joint structure of the second pipe body and the third pipe body are the joint structures of the multi-section middle rods of the folding umbrella; the first pipe body is used as an outer pipe of the second pipe body, the second pipe body is used as an inner pipe of the first pipe body, the second pipe body is used as an outer pipe of the third pipe body, and the third pipe body is used as an inner pipe of the second pipe body.

The folding umbrella further comprises a fourth pipe body and a fifth pipe body, wherein one end of the fourth pipe body is sleeved in the third pipe body, one end of the fifth pipe body is sleeved in the fourth pipe body, and the joint structure of the third pipe body and the fourth pipe body and the joint structure of the fourth pipe body and the fifth pipe body are joint structures of the multi-section middle rods of the folding umbrella; the third pipe body is used as an outer pipe of the fourth pipe body, and the fourth pipe body is used as an inner pipe of the third pipe body; the fourth pipe body is a tubular body consisting of two concave surfaces, a plane and an arc-shaped convex surface, the two concave surfaces of the fourth pipe body are respectively arranged opposite to the two grooves of the third pipe body, and the plane of the fourth pipe body is arranged opposite to the concave baffle part of the third pipe body; the fourth pipe body is used as an outer pipe of the fifth pipe body, and the fifth pipe body is used as an inner pipe of the fourth pipe body; the fifth pipe body is a tubular body formed by three concave surfaces and a plane, the two concave surfaces of the fifth pipe body are respectively arranged opposite to the two concave surfaces of the fourth pipe body, the plane of the fifth pipe body is arranged opposite to the plane of the fourth pipe body, and the third concave surface of the fifth pipe body is arranged opposite to the concave blocking part of the fourth pipe body.

The utility model has the advantages that: when the inner and outer tubes of the opening and closing umbrella axially extend and retract, the concave buckling part of the outer tube is in elastic contact with the buckling piece of the inner tube, and the contact surface of the convex buckling part of the buckling piece is provided with an inclined part, so that the concave buckling part of the outer tube is stably and stably slid into the buckling part through the inclined part for buckling, and meanwhile, the concave buckling part of the outer tube can be made into a structure similar to that of the buckling piece and is matched into the outer tube to be buckled with the convex buckling part of the inner tube.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of a multi-section connecting structure of a folding umbrella;

fig. 2 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 3 is a schematic structural diagram of embodiment 2 of the present invention;

fig. 4 is a schematic structural diagram of embodiment 3 of the present invention;

fig. 5 is a schematic structural diagram of embodiment 4 of the present invention;

fig. 6 is a schematic structural diagram of embodiment 5 of the present invention;

fig. 7 is a schematic structural diagram of embodiment 6 of the present invention;

fig. 8 is a schematic structural view of embodiment 7 of the present invention;

fig. 9 is a schematic structural view of a female buckle portion in embodiment 6 of the present invention;

fig. 10 is a schematic structural view of a female buckle portion in embodiment 7 of the present invention;

FIG. 11 is a schematic view of the structure of the middle rod of the present invention;

fig. 12 is a schematic structural view of the collapsed middle rod of the present invention;

fig. 13 is a schematic cross-sectional view of a first tubular body of the present invention;

fig. 14 is a schematic cross-sectional view of a second tubular body of the present invention;

fig. 15 is a schematic cross-sectional view of a third tube of the present invention;

fig. 16 is a schematic cross-sectional view of a fourth tube of the present invention;

fig. 17 is a schematic cross-sectional view of a fifth tube according to the present invention.

In the figure: the pipe comprises an inner pipe 1, an outer pipe 2, a concave blocking part 3, a concave buckling part 4, an inclined part 14, a convex blocking part 5, a convex buckling part 6, a first positioning protrusion 7, a first buckling piece 8, a first pipe body 13, a second pipe body 12, a third pipe body 11, a fourth pipe body 10, a fifth pipe body 9, a second inclined part 15 and a second buckling piece 16.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Example 1:

as shown in fig. 1-2, the utility model relates to a novel joint structure of stick in multistage of folding umbrella, including inner tube 1 and outer tube 2, the one end endotheca of inner tube 1 forms the joint in outer tube 2, and 2 joint ends of outer tube are equipped with concave fender portion 3 and are equipped with the concave portion of detaining 4 of slope 14, and 1 joint end of inner tube is equipped with protruding fender portion 5 and is equipped with the protruding portion of detaining 6 of slope 14, and 2 concave fender portions 3 of outer tube block 1 protruding fender portions 5 of inner tube and play the positioning action when axial displacement opens and receives the umbrella, and the smooth and easy lock inner tube 1 protruding portion of detaining 6 of slope 14 is passed through to 2 concave portion of detaining 4 of outer tube simultaneously. The joint end of the outer pipe 2 is provided with a concave blocking part 3 and a concave buckling part 4 provided with an inclined part 14, the joint end of the inner pipe 1 is provided with a first buckling part 8, the inner side of the first buckling part 8 is provided with a first positioning protrusion 7, the inner pipe 1 is provided with a first positioning hole, the first positioning protrusion 7 is matched with the first positioning hole for fixing, one end of the first buckling part 8 is a convex blocking part 5, the other end of the first buckling part is a convex buckling part 6, the middle part of the first buckling part is an inwards concave inclined part 14, when the inner pipe 2 and the outer pipe 2 are axially stretched, the concave blocking part 3 blocks the convex blocking part 5 of the first buckling part 8, and the concave buckling part 4 smoothly buckles the convex buckling part 6 of the first buckling part 8 through the.

The first positioning protrusion 7 is arranged in the middle of the first buckling piece 8, when the inner pipe 2 and the outer pipe 2 are axially stretched, the concave blocking part 3 blocks the convex blocking part 5 of the first buckling piece 8, the concave buckling part 4 smoothly buckles the convex buckling part 6 of the first buckling piece 8 through the inclined part 14, and a user is labor-saving.

Example 2:

as shown in fig. 3, the utility model relates to a novel connection structure of stick in multistage of folding umbrella, including inner tube 1 and outer tube 2, the one end endotheca of inner tube 1 forms the joint in outer tube 2, and the 2 joint ends of outer tube are equipped with concave fender portion 3 and are equipped with the concave knot portion 4 of slope 14, and the 1 joint ends of inner tube is equipped with protruding fender portion 5 and is equipped with the protruding knot portion 6 of slope 14, and the 2 concave fender portions 3 of outer tube block the 1 protruding fender portion 5 of inner tube and play the positioning action when axial displacement opens and receives the umbrella, and the smooth and easy lock 1 protruding knot portion 6 of inner tube in the slope 14 of the 4 concave knot portion of outer tube process of outer tube simultaneously. The joint end of the outer pipe 2 is provided with a concave blocking part 3 and a concave buckling part 4 provided with an inclined part 14, the joint end of the inner pipe 1 is provided with a first buckling part 8, the inner side of the first buckling part 8 is provided with a first positioning protrusion 7, the inner pipe 1 is provided with a first positioning hole, the first positioning protrusion 7 is matched with the first positioning hole for fixing, one end of the first buckling part 8 is a convex blocking part 5, the other end of the first buckling part is a convex buckling part 6, the middle part of the first buckling part is an inwards concave inclined part 14, when the inner pipe 2 and the outer pipe 2 are axially stretched, the concave blocking part 3 blocks the convex blocking part 5 of the first buckling part 8, and the concave buckling part 4 smoothly buckles the convex buckling part 6 of the first buckling part 8 through the.

The first positioning protrusion 7 is arranged at the lower part of the first buckling piece 8, when the inner pipe 2 and the outer pipe 2 are axially stretched, the concave blocking part 3 blocks the convex blocking part 5 of the first buckling piece 8, the concave buckling part 4 smoothly buckles the convex buckling part 6 of the first buckling piece 8 through the inclined part 14, and a user is labor-saving.

Example 3:

as shown in fig. 4, the utility model relates to a novel connection structure of stick in multistage of folding umbrella, including inner tube 1 and outer tube 2, the one end endotheca of inner tube 1 forms the joint in outer tube 2, and the 2 joint ends of outer tube are equipped with concave fender portion 3 and are equipped with the concave knot portion 4 of slope 14, and the 1 joint ends of inner tube is equipped with protruding fender portion 5 and is equipped with the protruding knot portion 6 of slope 14, and the 2 concave fender portions 3 of outer tube block the 1 protruding fender portion 5 of inner tube and play the positioning action when axial displacement opens and receives the umbrella, and the smooth and easy lock inner tube 1 protruding knot portion 6 of slope 14 of the 4 concave knot portion of outer tube process of outer tube simultaneously. The joint end of the outer pipe 2 is provided with a concave blocking part 3 and a concave buckling part 4 provided with an inclined part 14, the joint end of the inner pipe 1 is provided with a first buckling part 8, the inner side of the first buckling part 8 is provided with a first positioning protrusion 7, the inner pipe 1 is provided with a first positioning hole, the first positioning protrusion 7 is matched with the first positioning hole for fixing, one end of the first buckling part 8 is a convex blocking part 5, the other end of the first buckling part is a convex buckling part 6, the middle part of the first buckling part is an inwards concave inclined part 14, when the inner pipe 2 and the outer pipe 2 are axially stretched, the concave blocking part 3 blocks the convex blocking part 5 of the first buckling part 8, and the concave buckling part 4 smoothly buckles the convex buckling part 6 of the first buckling part 8 through the.

The convex retaining part 5 of the inner pipe 1 and the convex buckling part 6 of the inner pipe 1 are arranged at intervals, when the inner pipe 2 and the outer pipe 2 are axially stretched, the concave retaining part 3 blocks the convex retaining part 5 of the first buckling part 8, the concave buckling part 4 smoothly buckles the convex buckling part 6 of the first buckling part 8 through the inclined part 14, and a user is labor-saving.

Example 4:

as shown in fig. 5, the utility model relates to a novel connection structure of stick in multistage of folding umbrella, including inner tube 1 and outer tube 2, the one end endotheca of inner tube 1 forms the joint in outer tube 2, and the 2 joint ends of outer tube are equipped with concave fender portion 3 and are equipped with the concave knot portion 4 of slope 14, and the 1 joint ends of inner tube is equipped with protruding fender portion 5 and is equipped with the protruding knot portion 6 of slope 14, and the 2 concave fender portions 3 of outer tube block the 1 protruding fender portion 5 of inner tube and play the positioning action when axial displacement opens and receives the umbrella, and the smooth and easy lock inner tube 1 protruding knot portion 6 of slope 14 of the 4 concave knot portion of outer tube process of outer tube simultaneously. The joint end of the outer pipe 2 is provided with a concave blocking part 3 and a concave buckling part 4 provided with an inclined part 14, the joint end of the inner pipe 1 is provided with a convex blocking part 5 and a convex buckling part 6 provided with the inclined part 14, the convex blocking part 5, the convex buckling part 6 and the inner pipe 1 form an integrated structure, when the inner pipe 2 and the outer pipe 2 are axially stretched, the concave blocking part 3 blocks the convex blocking part 5, and the concave buckling part 4 smoothly buckles the convex buckling part 6 through the inclined part 14.

Adopt protruding fender portion 5, protruding knot portion 6 and inner tube 1 to form the integral structure, help preventing protruding fender portion 5, protruding knot portion 6 and break away from when using to all be equipped with slope 14 on protruding fender portion 5 and protruding knot portion 6, when interior outer tube 2 axial is tensile, concave fender portion 3 blocks protruding fender portion 5 of buckling piece, and concave knot portion 4 smoothly detains protruding knot portion 6 of buckling piece through slope 14, and the user is comparatively laborsaving.

Example 5:

as shown in fig. 6, the utility model relates to a novel connection structure of stick in multistage of folding umbrella, including inner tube 1 and outer tube 2, the one end endotheca of inner tube 1 forms the joint in outer tube 2, and the 2 joint ends of outer tube are equipped with concave fender portion 3 and are equipped with the concave knot portion 4 of slope 14, and the 1 joint ends of inner tube is equipped with protruding fender portion 5 and is equipped with the protruding knot portion 6 of slope 14, and the 2 concave fender portions 3 of outer tube block 1 protruding fender portion 5 of inner tube and play the positioning action when axial displacement opens and receives the umbrella, and the smooth and easy lock 1 protruding knot portion 6 of inner tube in the slope 14 of the 4 concave knot portion of outer tube process of outer tube simultaneously. The joint end of the outer pipe 2 is provided with a concave blocking part 3 and a concave buckling part 4 provided with an inclined part 14, the joint end of the inner pipe 1 is provided with a convex blocking part 5 and a convex buckling part 6 provided with the inclined part 14, the convex blocking part 5, the convex buckling part 6 and the inner pipe 1 form an integrated structure, when the inner pipe 2 and the outer pipe 2 are axially stretched, the concave blocking part 3 blocks the convex blocking part 5, and the concave buckling part 4 smoothly buckles the convex buckling part 6 through the inclined part 14.

Adopt protruding fender portion 5, protruding knot portion 6 and inner tube 1 to form the integral structure to protruding fender portion 5, the interval of protruding knot portion 6 sets up, help preventing protruding fender portion 5, protruding knot portion 6 and break away from when using, and all be equipped with slope 14 on protruding fender portion 5 and protruding knot portion 6, when interior outer tube 2 axial is tensile, protruding fender portion 5 of buckling piece is blocked to concave fender portion 3, and protruding knot portion 6 of buckling piece is smoothly buckled through slope 14 to concave knot portion 4, and the user is comparatively laborsaving.

Example 6:

as shown in fig. 7 and 9, the utility model relates to a novel joint structure of stick in multistage of folding umbrella, including inner tube 1 and outer tube 2, the one end endotheca of inner tube 1 forms the joint in outer tube 2, and 2 joint ends of outer tube are equipped with concave fender portion 3 and are equipped with the concave portion of detaining 4 of slope 14, and 1 joint end of inner tube is equipped with protruding fender portion 5 and is equipped with the protruding portion of detaining 6 of slope 14, and 2 concave fender portions 3 of outer tube block 1 protruding fender portions 5 of inner tube and play the positioning action when axial displacement opens and receives the umbrella, and the smooth and easy lock inner tube 1 protruding portion of detaining 6 of slope 14 is passed through to 2 concave portion of detaining 4 of outer tube simultaneously. The joint end of the outer pipe 2 is provided with a concave blocking part 3 and a concave buckling part 4 provided with an inclined part 14, the joint end of the inner pipe 1 is provided with a convex blocking part 5 and a convex buckling part 6 provided with the inclined part 14, the convex blocking part 5, the convex buckling part 6 and the inner pipe 1 form an integrated structure, when the inner pipe 2 and the outer pipe 2 are axially stretched, the concave blocking part 3 blocks the convex blocking part 5, and the concave buckling part 4 smoothly buckles the convex buckling part 6 through the inclined part 14. The joint end of the outer tube is provided with a concave blocking part and a concave buckling part provided with a second inclined part 15, the concave buckling part can be made into a second buckling piece 16 provided with the second inclined part 15, the inner side of the second buckling piece 16 is provided with a second positioning protrusion, the outer tube is provided with a second positioning hole, and the second positioning protrusion is matched with the second positioning hole for fixing.

Adopt protruding fender portion 5, protruding portion 6 and inner tube 1 formation integrated structure, help preventing protruding fender portion 5, protruding portion 6 breaks away from when using, and all be equipped with slope 14 on protruding fender portion 5 and protruding portion 6, when interior outer tube 2 axial is tensile, concave fender portion 3 blocks protruding fender portion 5 of buckling piece, concave buckling portion 4 smoothly buckles protruding buckling portion 6 of buckling piece through slope 14, the user is comparatively laborsaving, the concave buckling portion 4 of outer tube 2 makes the second buckling piece 16 that has second slope 15, second buckling piece 16 inboard is equipped with integrated into one piece second location protruding, second buckling piece 16 that has second slope 15 can make the smooth and easy tensile shrink of user stick.

Example 7:

as shown in fig. 8 and 10, the utility model relates to a novel joint structure of stick in multistage of folding umbrella, including inner tube 1 and outer tube 2, the one end endotheca of inner tube 1 forms the joint in outer tube 2, and the 2 joint ends of outer tube are equipped with concave fender portion 3 and are equipped with the concave portion of detaining 4 of slope 14, and 1 joint ends of inner tube is equipped with protruding fender portion 5 and is equipped with the protruding portion of detaining 6 of slope 14, and 2 concave fender portions 3 of outer tube block 1 protruding fender portions 5 of inner tube and play the positioning action when axial displacement opens and receives the umbrella, and the smooth and easy lock inner tube 1 protruding portion of detaining 6 of slope 14 is passed through to the concave portion of detaining 4 of outer tube 2 simultaneously. The joint end of the outer pipe 2 is provided with a concave blocking part 3 and a concave buckling part 4 provided with an inclined part 14, the joint end of the inner pipe 1 is provided with a convex blocking part 5 and a convex buckling part 6 provided with the inclined part 14, the convex blocking part 5, the convex buckling part 6 and the inner pipe 1 form an integrated structure, when the inner pipe 2 and the outer pipe 2 are axially stretched, the concave blocking part 3 blocks the convex blocking part 5, and the concave buckling part 4 smoothly buckles the convex buckling part 6 through the inclined part 14. The joint end of the outer tube is provided with a concave blocking part and a concave buckling part provided with a second inclined part 15, the concave buckling part can be made into a second buckling piece 16 provided with the second inclined part 15, the inner side of the second buckling piece 16 is provided with a second positioning protrusion, the outer tube is provided with a second positioning hole, and the second positioning protrusion is matched with the second positioning hole for fixing.

Adopt protruding fender portion 5, protruding knot portion 6 and inner tube 1 form the integral structure, help preventing protruding fender portion 5, protruding knot portion 6 breaks away from when using, and all be equipped with slope 14 on protruding fender portion 5 and protruding knot portion 6, when interior outer tube 2 axial is tensile, concave fender portion 3 blocks protruding fender portion 5 of buckling piece, concave knot portion 4 smoothly detains protruding knot portion 6 of buckling piece through slope 14, the user is comparatively laborsaving, the concave knot portion 4 of outer tube 2 makes the second buckling piece 16 that has second slope 15, second buckling piece 16 inboard middle part is equipped with the second location protrudingly, second buckling piece 16 that has second slope 15 can make the smooth and easy tensile shrink stick in user.

Example 8:

as shown in fig. 11-17, the multi-section middle rod of the folding umbrella of the present invention is a five-fold middle rod of the folding umbrella, and the middle rod structure includes a first pipe body 13, a second pipe body 12, a third pipe body 11, a fourth pipe body 10, and a fifth pipe body 9, which are sequentially connected. The joint structure of the first tube 13 and the second tube 12, the joint structure of the second tube 12 and the third tube 11, the joint structure of the third tube 11 and the fourth tube 10, and the joint structure of the fourth tube 10 and the fifth tube 9 are the joint structure of the multi-stage middle rod of the folding umbrella described above.

The first pipe body 13 serves as the outer pipe 2 of the second pipe body 12, the second pipe body 12 serves as the inner pipe 1 of the first pipe body 13, and the first pipe body 13 and the second pipe body 12 can constitute a combination of the outer pipe 2 and the inner pipe 1. The second pipe body 12 serves as an outer pipe 2 of the third pipe body 11, and the third pipe body 11 serves as an inner pipe 1 of the second pipe body 12.

One end of the fourth tube 10 is sleeved in the third tube 11, the third tube 11 is used as an outer tube 2 of the fourth tube 10, and the fourth tube 10 is used as an inner tube 1 of the third tube 11; the fourth tube 10 is a tubular body formed by two concave surfaces, a plane surface and an arc-shaped convex surface, the two concave surfaces of the fourth tube 10 are respectively arranged opposite to the two grooves of the third tube 11, and the plane surface of the fourth tube 10 is arranged opposite to the concave blocking part 3 of the third tube 11. One end of the fifth pipe body 9 is sleeved in the fourth pipe body 10, the fourth pipe body 10 is used as an outer pipe 2 of the fifth pipe body 9, and the fifth pipe body 9 is used as an inner pipe 1 of the fourth pipe body 10; the fifth pipe 9 is a tubular body formed by three concave surfaces and a plane, the two concave surfaces of the fifth pipe 9 are respectively arranged opposite to the two concave surfaces of the fourth pipe 10, the plane of the fifth pipe 9 is arranged opposite to the plane of the fourth pipe 10, and the third concave surface of the fifth pipe 9 is arranged opposite to the concave blocking part 3 of the fourth pipe 10.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a novel joint structure of stick in multistage of folding umbrella, includes inner tube and outer tube, and the one end endotheca of inner tube forms the joint in the outer tube, its characterized in that: the outer pipe joint end is provided with a concave blocking part and a concave buckling part with an inclined part, the inner pipe joint end is provided with a convex blocking part and a convex buckling part with an inclined part, the outer pipe concave blocking part blocks the inner pipe convex blocking part to play a role in positioning when the umbrella is opened and closed through axial movement, and meanwhile, the outer pipe concave buckling part smoothly buckles the inner pipe convex buckling part through the inclined part.

2. The joint structure of multi-section middle rods of a novel folding umbrella as claimed in claim 1, characterized in that: the joint end of the inner pipe is provided with a first buckling piece, the inner side of the first buckling piece is provided with a first positioning protrusion, the inner pipe is provided with a first positioning hole, the first positioning protrusion is matched with the first positioning hole for fixing, one end of the first buckling piece is a convex blocking part, the other end of the first buckling piece is a convex buckling part, the middle part of the first buckling piece is an inward-concave inclined part, when the inner pipe and the outer pipe are axially stretched, the concave blocking part blocks the convex blocking part of the first buckling piece, and the convex buckling part of the first buckling piece is smoothly buckled by the concave buckling part through the inclined part.

3. The joint structure of multi-section middle rods of a novel folding umbrella as claimed in claim 1, characterized in that: the convex blocking part, the convex buckling part and the inner pipe form an integrated structure, when the inner pipe and the outer pipe are axially stretched, the convex blocking part is blocked by the concave blocking part, and the convex buckling part is smoothly buckled by the concave buckling part through the inclined part.

4. A novel jointed structure of multi-section middle rod of folding umbrella as claimed in any one of claims 2-3, characterized in that: the joint end of the outer tube is provided with a concave blocking part and a concave buckling part provided with a second inclined part, the concave buckling part can be made into a second buckling part with the second inclined part, the inner side of the second buckling part is provided with a second positioning protrusion, the outer tube is provided with a second positioning hole, and the second positioning protrusion is matched with the second positioning hole for fixing.

5. A multi-section middle rod of a folding umbrella is characterized in that: comprises a first pipe body, a second pipe body and a third pipe body which are sequentially sleeved; the joint structure of the first tube body and the second tube body and the joint structure of the second tube body and the third tube body are joint structures of a multi-section middle rod of the folding umbrella as claimed in any one of claims 1 to 4; the first pipe body is used as an outer pipe of the second pipe body, the second pipe body is used as an inner pipe of the first pipe body, the second pipe body is used as an outer pipe of the third pipe body, and the third pipe body is used as an inner pipe of the second pipe body.

6. The multi-section middle rod of a folding umbrella according to claim 5, characterized in that: the folding umbrella further comprises a fourth pipe body and a fifth pipe body, wherein one end of the fourth pipe body is sleeved in the third pipe body, one end of the fifth pipe body is sleeved in the fourth pipe body, and the joint structure of the third pipe body and the fourth pipe body and the joint structure of the fourth pipe body and the fifth pipe body are joint structures of multi-section middle rods of the folding umbrella according to any one of claims 1 to 4; the third pipe body is used as an outer pipe of the fourth pipe body, and the fourth pipe body is used as an inner pipe of the third pipe body; the fourth pipe body is a tubular body consisting of two concave surfaces, a plane and an arc-shaped convex surface, the two concave surfaces of the fourth pipe body are respectively arranged opposite to the two grooves of the third pipe body, and the plane of the fourth pipe body is arranged opposite to the concave baffle part of the third pipe body; the fourth pipe body is used as an outer pipe of the fifth pipe body, and the fifth pipe body is used as an inner pipe of the fourth pipe body; the fifth pipe body is a tubular body formed by three concave surfaces and a plane, the two concave surfaces of the fifth pipe body are respectively arranged opposite to the two concave surfaces of the fourth pipe body, the plane of the fifth pipe body is arranged opposite to the plane of the fourth pipe body, and the third concave surface of the fifth pipe body is arranged opposite to the concave blocking part of the fourth pipe body.

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