CN201343894Y

CN201343894Y - Tent extension pipe structure

Info

Publication number: CN201343894Y
Application number: CNU2008202292771U
Authority: CN
Inventors: 李成熙
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-12-02
Filing date: 2008-12-02
Publication date: 2009-11-11
Anticipated expiration: 2018-12-02

Abstract

The utility model discloses a tent extension pipe structure, comprising an outer casing and an inner casing which are sheathed with each other, wherein, one end part of the outer casing in which the inner casing is positioned is provided with a positioning device; and when the inner casing rotates the positioning device corresponding to the outer casing, the positioning device is fixedly locked in the outer casing. The arrangement of the positioning device can rotate the inner casing and the outer casing of the tent support bar, so that the positioning can be realized in order to ensure the simple and rapid expansion and the positioning of the tent supporting bar. The inner casing uses fiberglass materials, therefore greatly decreasing the cost of the tent supporting bar and reducing the weight of the tent at the same time so that the tent is convenient to be carried.

Description

Tent telescopic tube structure

Technical Field

The utility model relates to a be applied to flexible pipe of support frame, especially indicate the flexible pipe structure who is used for the tent support.

Background

The folding tent of tradition, each member of its support is established to the telescopic tube structure more, adopts the inside and outside sheathed tube cooperation structure of metal system more promptly, and inside and outside sleeve pipe is in the back that expandes, and its location structure mostly has seted up the locating hole in the nearly upper end department of outer tube, then is equipped with the elastic component on interior sheathed tube one end, and the relative outer tube of interior sleeve pipe pulls out the back, makes the elastic component sincerely in the locating hole in order to realize the location. However, the telescopic tube structure has the following disadvantages:

1. the positioning structure of the inner outer sleeve is that the elastic piece must be correspondingly clamped in the positioning hole, and the positioning height of the extension tube cannot be adjusted arbitrarily;

2. the extension tube adopting the positioning structure cannot use a glass fiber material with lower cost because the strength of the tube body is influenced by the opening, and a metal material such as iron or an aluminum alloy material is required to be adopted, so that the cost is relatively higher;

3. the metal telescopic tube is easy to deform under stress and pressure, and once deformed, the metal telescopic tube is difficult to expand and contract, and the resistance of the telescopic tube is increased during the expansion and contraction movement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple swift tent telescopic tube structure fixes a position.

To achieve the above object, the solution of the present invention is: a tent telescopic pipe structure comprises an outer sleeve and an inner sleeve which are mutually sleeved; wherein: one end part of the inner sleeve positioned in the outer sleeve is provided with a positioning device, and when the inner sleeve drives the positioning device to rotate relative to the outer sleeve, the positioning device is clamped in the outer sleeve.

The outer sleeve is made of metal material; the inner sleeve is made of glass fiber, and one end of the inner sleeve is connected with the positioning device through a sleeve and is arranged in the outer sleeve together.

The inner and outer sleeves are round rods.

The positioning device comprises an actuating piece and a positioning piece; the rod body at one end of the actuating piece penetrates and is fixed in the sleeve to form a stopping part, the end surface of the stopping part deviates from the central position to form an eccentric shaft rod, the top end of the eccentric shaft rod is eccentrically connected with a top disc, and a limiting block is convexly arranged on the end surface of the stopping part; the positioning piece is a C-shaped ring body and is provided with an eccentric perforation, a notch is formed on the positioning piece C-shaped ring body, a first stop surface and a second stop surface are formed on two sides of the notch, the positioning piece is sleeved on the eccentric shaft rod, and the limiting block is positioned between the notches on the C-shaped ring body; the sleeve is sleeved at one end of the inner sleeve, the inner cavity of the sleeve is provided with two sections of cavities, one end of the inner sleeve is provided with the cavity sleeved with the sleeve, the other end of the inner sleeve is provided with a column cavity for the rod body of the positioning device to penetrate through, and a limiting step is formed between the cavity and the column cavity.

The outer periphery of the C-shaped ring of the positioning piece is provided with an anti-skid part.

The outer circumference of the outer sleeve is provided with a concave part at the upper part, which can clamp the actuator stop part of the positioning device.

The sleeve is made of metal materials.

After the technical scheme is adopted, because the utility model discloses flexible pipe of tent passes through positioner and realizes the rotation location each other between the inside and outside sleeve, consequently makes the flexible pipe of this tent have following advantage:

1. the positioning device of the outer sleeve and the inner sleeve of the tent pole support adopts the rotary positioning design, so that the pole support of the tent can be positioned at any position when the tent is unfolded, and the positioning is simple and quick;

2. the inner sleeve is made of glass fiber, so that the cost of the extension tube is greatly reduced;

3. the inner sleeve is made of glass fiber, so that the weight can be reduced, and the carrying is more convenient.

Drawings

Fig. 1 is an exploded perspective view of the positioning device of the present invention in combination with an inner sleeve;

fig. 2 is a schematic view of the positioning device of the present invention in combination with an inner sleeve;

FIG. 3 is a perspective view of the actuator of the positioning device of the present invention;

FIG. 4 is a cross-sectional view of the actuator of the positioning device of the present invention;

FIG. 5 is a schematic perspective view of a positioning member of the positioning device of the present invention;

FIG. 6 is a front view of the positioning member of the positioning device of the present invention;

fig. 7a and 7b are side views of the positioning member of the positioning device of the present invention;

figure 8 is a cross-sectional view of the sleeve of the present invention;

FIG. 9 is a schematic view of the operation of the inner sleeve with the outer sleeve according to the present invention;

fig. 10 is a schematic view of the tent according to the present invention.

Detailed Description

As shown in fig. 1, 9 and 10, the tent telescopic tube structure of the present invention is suitable for a pole of a tent support, and comprises an outer sleeve 1, an inner sleeve 2, a positioning device 3 and a sleeve 4; wherein,

the outer sleeve 1 is made of metal, and in the embodiment, the outer sleeve 1 is designed to be a round rod made of metal;

the inner sleeve 2 is a round rod and made of glass fiber, and is formed into a round shape and has better rigidity, as shown in fig. 1 and 2, one end of the inner sleeve 2 is matched with a sleeve 4 and a positioning device 3 and is arranged in the outer sleeve 1;

as shown in fig. 2 to fig. 7a and fig. 7b, the positioning device 3 includes an actuating member 31 and a positioning member 32; the actuating member 31 is a plastic member, a rod 311 at one end thereof penetrates and is fixed in the sleeve 4 to form a stopping portion 312, an eccentric shaft 313 is formed at an end surface of the stopping portion 312 deviating from a central position, a top disc 314 is eccentrically connected to the top end thereof, and a limit block 315 is convexly arranged on the end surface of the stopping portion 312; the positioning element 32 is a plastic part, is a C-shaped ring body, and has an eccentric through hole 321, a notch 322 is formed on the positioning element 32C-shaped ring body, and a first stop surface 323 and a second stop surface 324 are formed on two sides of the notch 322, and the outer periphery of the C-shaped ring of the positioning element 32 of the utility model is also provided with an anti-slip part 325 to enhance the friction force between the C-shaped ring and the inner wall of the outer sleeve 1, so that the positioning is more reliable; when the assembly is performed, the positioning element 32 is sleeved on the eccentric shaft 313 between the stopping portion 312 of the actuating element 31 and the top disc 314, the eccentric through hole 321 is provided for the eccentric shaft 313 to penetrate, and the limiting block 315 on the end surface of the stopping portion 312 of the actuating element 31 is located between the notches 322 on the C-shaped ring body;

the sleeve 4 is made of metal (such as stainless steel), and is sleeved at one end of the inner sleeve 2 to enhance the strength of the inner sleeve 2 made of glass fiber, as shown in fig. 8, the inner cavity of the sleeve 4 has two sections of cavities, one end of the inner sleeve is formed with a cavity 41 sleeved with the inner sleeve 2, and the cavity is dotted or extruded, so that the sleeve 4 and the inner sleeve 2 are firmly connected together, the other end of the inner sleeve is formed with a column cavity 42 through which the rod body 311 of the positioning device 3 passes, and a limiting step 43 is formed between the cavity 41 and the column cavity 42.

When the telescopic tube structure is assembled, as shown in fig. 9, the assembled positioning device 3 is connected with the inner sleeve 2 through the sleeve 4, and then the inner sleeve 2, the sleeve 4 and the positioning device 3 are sequentially extended into the outer sleeve 1 from the lower part of the outer sleeve 1, as shown by arrows in fig. 9.

When the telescopic tube of the utility model is implemented in the pole of the tent frame, if the tent is unfolded, the inner sleeve 2 is pulled out from the upper end relative to the outer sleeve 1, when the inner sleeve 2 is pulled to the position required by the relative outer sleeve 1, the inner sleeve 2 is relatively rotated, the inner sleeve 2 drives the actuating component 31 and the positioning component 32 of the positioning device 3 at one end of the inner sleeve 2 to rotate together, the eccentric shaft 313 of the actuating component 31 and the eccentric perforation 321 of the positioning component 32 are eccentrically arranged, so that the positioning component 32 is rotated to enable the limiting block 315 to abut against the first stopping surface 323, the eccentric shaft 313 pushes and eccentrically expands, and the sleeve 2 can utilize the expansion of the positioning component 32 to press the inner wall of the outer sleeve 1 tightly to realize positioning; on the contrary, when the positioning element 32 rotates to make the stopper 315 abut against the second stopping surface 324, the positioning element 32 is in an unexpanded form, so that the inner sleeve 2 can smoothly slide in the outer sleeve 1.

In addition, a concave portion 11 is pressed at a proper position on the outer periphery of the upper portion of the outer sleeve 1, and the stopper 312 of the actuator 31 of the positioning device 3 is engaged, so that the inner sleeve 2 is prevented from being pulled out of the outer sleeve 1 when being pulled out from the upper portion relative to the outer sleeve 1.

It can be seen that, the utility model discloses a flexible tubular construction of the outer tube 1 of metal material and the interior sleeve pipe 2 combination of glass fiber material when being applied to the tent frame, the inside and outside sheathed tube location structure of relative tradition has following advantage:

1. the positioning device 3 of the outer sleeve 1 and the inner sleeve 2 of the supporting rod adopts the rotating eccentric positioning design, so that the supporting rod can be positioned at any position when the tent is unfolded, and the positioning is simple and quick;

2. the inner sleeve 2 is made of glass fiber, so that the cost of the extension tube is greatly reduced;

3. the inner sleeve 2 is made of glass fiber materials, so that the weight can be reduced, and the carrying is more convenient;

4. the glass fiber rod can not rust when meeting water, so that the telescopic tube can be stretched smoothly;

5. because the glass fiber inner sleeve 2 has certain toughness, the metal pipe is not easy to deform, and the flexible telescopic pipe can be freely stretched.

Claims

1. A tent telescopic pipe structure comprises an outer sleeve and an inner sleeve which are mutually sleeved; the method is characterized in that: one end part of the inner sleeve positioned in the outer sleeve is provided with a positioning device, and when the inner sleeve drives the positioning device to rotate relative to the outer sleeve, the positioning device is clamped in the outer sleeve.

2. The tent telescoping tube structure of claim 1, wherein: the outer sleeve is made of metal material; the inner sleeve is made of glass fiber, and one end of the inner sleeve is connected with the positioning device through a sleeve and is arranged in the outer sleeve together.

3. The tent telescoping tube structure of claim 1, wherein: the inner and outer sleeves are round rods.

4. The tent telescoping tube structure of claims 1, 2 or 3, wherein: the positioning device comprises an actuating piece and a positioning piece; the rod body at one end of the actuating piece penetrates and is fixed in the sleeve to form a stopping part, the end surface of the stopping part deviates from the central position to form an eccentric shaft rod, the top end of the eccentric shaft rod is eccentrically connected with a top disc, and a limiting block is convexly arranged on the end surface of the stopping part; the positioning piece is a C-shaped ring body and is provided with an eccentric perforation, a notch is formed on the C-shaped ring body of the positioning piece, a first stop surface and a second stop surface are formed on two sides of the notch, the positioning piece is sleeved on the eccentric shaft rod, and the limiting block is positioned between the notches on the C-shaped ring body;

the sleeve is sleeved at one end of the inner sleeve, the inner cavity of the sleeve is provided with two sections of cavities, one end of the inner sleeve is provided with the cavity sleeved with the sleeve, the other end of the inner sleeve is provided with a column cavity for the rod body of the positioning device to penetrate through, and a limiting step is formed between the cavity and the column cavity.

5. The tent telescoping tube structure of claim 4, wherein: the outer periphery of the C-shaped ring of the positioning piece is provided with an anti-skid part.

6. The tent telescoping tube structure of claims 1, 2 or 3, wherein: the outer circumference of the outer sleeve is provided with a concave part which can clamp the actuator stop part of the positioning device at the upper part.

7. The tent telescoping tube structure of claim 2, wherein: the sleeve is made of metal materials.