CN111188819A

CN111188819A - A tripod telescopic rod

Info

Publication number: CN111188819A
Application number: CN201911396600.3A
Authority: CN
Inventors: 张宏彬; 卢金华
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-05-22

Abstract

The invention discloses a tripod telescopic rod, comprising a primary tube, a secondary tube and a triode. One end of the primary tube close to the diode penetrates the diode and extends to the inside of the diode and is movably connected to the interior of the diode. One end of the triode penetrates the triode and extends to the interior of the triode and is movably connected to the inner wall of the triode. Preferably, the left and right sides of the primary tube, the diode and the triode are divided into a large end and a small end, and the thickness of the big end is larger than that of the small end The thickness of the small head is provided with a taper, and the large head is not provided with a taper, and the first-stage tube, the diode and the triode are all made of carbon fiber or glass fiber. Through the mutual cooperation of the primary tube, the diode, the triode, the big head and the small head, the present invention can achieve the locking requirement with just two sections without adding connecting pieces. convenience.

Description

Tripod telescopic link

Technical Field

The invention relates to the technical field of photographic equipment, in particular to a tripod telescopic rod.

Background

At present, tripods are basically composed of three telescopic pipes with locking structures, the structures of the telescopic pipes applied to the tripods on the market are basically the same, and the telescopic pipes are basically completed by adding some fixed locking structures between the pipes, so that the tripod is difficult to control in cost, is complicated to operate and brings great inconvenience to users.

Disclosure of Invention

The invention aims to provide a tripod telescopic rod to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a tripod telescopic link, includes primary tube, diode and triode, the one end that the primary tube is close to the diode runs through the diode and extends to the inside of diode and the inside swing joint of diode, the one end that is close to the triode of diode runs through the triode and extends to the inside of triode and the inner wall swing joint of triode.

Preferably, the left side and the right side of the primary tube, the diode and the triode are equally divided into a large head and a small head, the thickness of the large head is larger than that of the small head, the small head is provided with taper, and the large head is not provided with taper.

Preferably, the primary tube, the diode and the triode are made of carbon fiber or glass fiber.

Preferably, the cross-sectional shapes of the primary tube, the diode and the triode can be designed into various shapes.

Preferably, the cross-sectional shapes of the primary tube, the diode and the triode are designed to be oval, round with a plane, round with a rotation stopping groove or a convex strip to avoid the relative rotation of the two tubes.

Compared with the prior art, the invention has the following beneficial effects:

the invention can directly achieve the locking requirement of two sections by mutually matching the primary tube, the diode, the triode, the big head and the small head without adding a connecting piece, has simple structure and convenient operation, greatly improves the later-stage use effect and brings great convenience to users.

Drawings

FIG. 1 is a cross-sectional view of a locked state structure according to a first embodiment of the present invention;

FIG. 2 is a sectional view of a section of a tube in accordance with an embodiment of the present invention;

FIG. 3 is a schematic exploded view of a first embodiment of the present invention;

FIG. 4 is a cross-sectional view of a locked state structure according to a second embodiment of the present invention;

FIG. 5 is a sectional view of a section of a tube according to a second embodiment of the present invention in elevation;

FIG. 6 is a sectional view of a third embodiment of the invention showing a section of a tube in elevation;

fig. 7 is a cross-sectional view of a locked state structure in the third embodiment of the present invention.

In the figure: the LED lamp comprises a first-level tube 1, a diode 2, a triode 3, a large head 4, a small head 5, a notch 6, an assembly hole 7, an elastic part 8, a convex hull 9 and a locking convex hull 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-3, a tripod telescoping rod comprises a primary tube 1, a diode 2 and a triode 3, wherein one end of the primary tube 1 close to the diode 2 penetrates through the diode 2 and extends into the diode 2 to be movably connected with the inside of the diode 2, one end of the diode 2 close to the triode 3 penetrates through the triode 3 and extends into the triode 3 to be movably connected with the inner wall of the triode 3, the primary tube 1, the diode 2 and the triode 3 are all made of carbon fiber or glass fiber, the cross-sectional shapes of the primary tube 1, the diode 2 and the triode 3 can be designed into various shapes, the cross-sectional shapes of the primary tube 1, the diode 2 and the triode 3 are designed into ellipses, circles have a plane and are provided with rotation stopping grooves or convex strips to avoid the relative rotation of the two tubes, the left side and the right side of the primary tube 1, the diode 2 and the triode 3 are respectively provided with a big head 4 and a small, the thickness of major part 4 is greater than the thickness of little head 5, is provided with the tapering on the little head 5, does not set up the tapering on the major part 4, through the mutually supporting of primary tube 1, diode 2, triode 3, major part 4 and little head 5, need not increase the connecting piece, and direct two sections just can reach the requirement of locking, simple structure, and the operation is also convenient, has improved the effect that later stage used greatly, brings very big facility for the user.

Example two

Referring to fig. 4-5, a tripod telescoping rod comprises a primary tube 1, a diode 2 and a triode 3, wherein one end of the primary tube 1 close to the diode 2 penetrates through the diode 2 and extends into the diode 2 to be movably connected with the inside of the diode 2, one end of the diode 2 close to the triode 3 penetrates through the triode 3 and extends into the triode 3 to be movably connected with the inner wall of the triode 3, one sides of the primary tube 1, the diode 2 and the triode 3 are all provided with notches 6, two sides of the notches 6 of the primary tube 1, the diode 2 and the triode 3 are all provided with assembling holes 7, one side of the primary tube 1, the diode 2 and the triode 3 opposite to each other is provided with an elastic part 8, the elastic part 8 is provided with a convex hull 9, the convex hull 9 is matched with the assembling holes 7, the elastic part 8 can be made of metal elastic material, rubber elastic material or plastic elastic material, the external diameters of two sides of the notch 6 are larger than the internal diameter of the previous tube, the two tubes are also pulled to have damping force through the elasticity of the material, the section shapes of the big end and the small end of the first-stage tube 1, the diode 2 and the triode 3 can be circular, oval and the like, the external diameter of the next tube of the two tubes is smaller than the internal diameter of the previous tube, a certain gap is set between the two tubes, the next tube can be sleeved on the inner wall of the previous tube, the head of the next tube is provided with the notch 6, two sides of the notch 6 can deform, shrink or enlarge when being stressed, if an elastic part 8 is assembled on the inner wall of the notch 6, two sides of the notch 6 can expand outwards due to the action of the elastic part 8, so that the two tubes have certain damping force when being pulled, the elastic part 8 is further provided with a convex bag 9, and assembling holes 7 are arranged at two sides of the notch 6, the elastic piece 8 is supported on the inner wall of the pipe through the assembly hole 7 of the pipe, so that the two parts of materials beside the notch 6 are supported outside to form damping force with the next section of pipe.

EXAMPLE III

Referring to fig. 6-7, a tripod telescoping rod comprises a first-stage tube 1, a diode 2 and a triode 3, wherein one end of the first-stage tube 1 close to the diode 2 penetrates through the diode 2 and extends into the diode 2 to be movably connected with the inside of the diode 2, one end of the diode 2 close to the triode 3 penetrates through the triode 3 and extends into the triode 3 to be movably connected with the inner wall of the triode 3, notches 6 are respectively arranged at one sides of the first-stage tube 1, the diode 2 and the triode 3, assembling holes 7 are respectively arranged at two sides of the notches 6 of the first-stage tube 1, the diode 2 and the triode 3, an elastic part 8 is respectively arranged at one side of the first-stage tube 1, the diode 2 and the triode 3 opposite to each other, a convex hull 9 is arranged on the elastic part 8, the convex hull 9 is matched with the assembling holes 7, a locking convex hull 10 is arranged on the elastic part 8, when the tube is pulled to the end, the locking convex hull 10, the locking of two sections of pipes is formed, the outer diameter of the next pipe is smaller than the inner diameter of the previous pipe, a certain gap is set between the next pipe and the previous pipe, the next pipe can be sleeved into the inner wall of the previous pipe, the elastic part 8 can be made of metal elastic material, rubber elastic material or plastic elastic material, the elastic part 8 is assembled on the inner wall of the notch 6, the outer diameters of two sides of the notch 6 of the pipe are larger than the inner diameter of the previous pipe, the two sections of pipes can be pulled and pulled with damping force through the elasticity of the material, the guide piece can be made of plastic material, rubber material or metal material, the cross section shapes of the big end and the small end of the pipe can be circular, oval or lower drawing, the pipes have conicity in the length direction, the cross section shapes are the same, but the cross sections of two end faces of the pipes are different in size, the cross section shape of the pipe has a rotation stopping shape, namely, the two sections of, it can be plane circular or elliptical.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tripod telescopic link, includes primary tube (1), diode (2) and triode (3), its characterized in that: one end of the primary tube (1) close to the diode (2) runs through the diode (2) and extends to the inside of the diode (2) and the inside movable connection of the diode (2), one end of the diode (2) close to the triode (3) runs through the triode (3) and extends to the inside of the triode (3) and the inner wall movable connection of the triode (3).

2. A tripod extension pole according to claim 1, wherein: the left and right sides of the primary tube (1), the diode (2) and the triode (3) are equally divided into a large head (4) and a small head (5), the thickness of the large head (4) is larger than that of the small head (5), the small head (5) is provided with a taper, and the large head (4) is not provided with a taper.

3. A tripod extension pole according to claim 1, wherein: the primary tube (1), the diode (2) and the triode (3) are all made of carbon fiber or glass fiber.

4. A tripod extension pole according to claim 1, wherein: the cross-sectional shapes of the primary tube (1), the diode (2) and the triode (3) can be designed into various shapes.

5. A tripod extension pole according to claim 4, wherein: the cross sections of the primary tube (1), the diode (2) and the triode (3) are designed to be elliptical, a plane is arranged on a circle, and a rotation stopping groove or a convex strip is arranged on the circle to prevent the relative rotation of the two tubes.