CN217603084U

CN217603084U - Bidirectional telescopic rod

Info

Publication number: CN217603084U
Application number: CN202221562502.XU
Authority: CN
Inventors: 钱峰; 王惠芬
Original assignee: Haining Fengda Electronics Co ltd
Current assignee: Haining Fengda Electronics Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-10-18
Anticipated expiration: 2032-06-21

Abstract

The utility model relates to a technical field of telescopic link, more specifically say, it relates to a two-way telescopic link, including the hollow tube, the inner chamber that has two mutual intercommunications in the hollow tube is one with inner chamber two, and the pole is two in swing joint has in the inner chamber one, so that pole two is at the telescopic activity of hollow tube in interior pole one and interior pole two, the internal diameter of inner chamber one is less than the internal diameter of inner chamber two, and the diameter of pole one is less than the diameter of pole two in, has the lumen way that pole one stretched into in supplying in the pole two, the utility model discloses rational in infrastructure simple, the practicality is strong, facilitates the use.

Description

Bidirectional telescopic rod

Technical Field

The utility model relates to a technical field of telescopic link, more specifically say, it relates to a two-way telescopic link.

Background

The application field of telescopic link is very extensive, from rapping bar, antenna, and when using at family, the telescopic link can be used to hang and put article. Under specific use scene, need two-way telescopic link, the dislocation is when two interior pole bodies in the middle of the current two-way telescopic link are installed, so make the telescopic link body need the installation passageway from top to bottom, and then the volume of telescopic link is great.

In order to solve the above problem, patent No. 2010201482988 discloses a bidirectional telescopic rod device, which saves storage space by overlapping and butting inner rods.

However, the conventional bidirectional telescopic rod has a complicated internal structure, which results in high cost.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a two-way telescopic rod rational in infrastructure simple, the practicality is strong, facilitates the use.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a two-way telescopic rod comprises a hollow tube, wherein a first inner cavity and a second inner cavity which are communicated with each other are formed in the hollow tube, the first inner cavity is movably connected with the first inner rod, the second inner cavity is movably connected with the second inner rod, so that the first inner rod and the second inner rod can stretch and move in the hollow tube, the inner diameter of the first inner cavity is smaller than that of the second inner cavity, the diameter of the first inner rod is smaller than that of the second inner rod, and a cavity channel for the first inner rod to stretch into is formed in the second inner rod.

The utility model discloses further set up to: the outer wall of the first inner rod is provided with two convex contacts, and the inner wall of the first inner cavity is provided with a first sliding groove for the two contacts to slide.

The utility model discloses further set up to: and the inner wall of the cavity is provided with a second sliding chute for the sliding of the contact and a clamping part for clamping the rotated contact.

The utility model discloses further set up to: the clamping portion comprises an edge groove and a groove which are communicated with each other, the edge groove is communicated with the second sliding groove, and the clamping portion is arranged on a moving path where the contact is rotated.

Contrast the not enough of prior art, the beneficial effects of the utility model are that:

through setting up big or small structure with two original two-way interior poles, but realize the flexible movable mounting two interior poles of pull simultaneously in the inner chamber that runs through under same level, increased and accomodate, reduced the volume of hollow tube.

The two inner rods are butted and locked by matching the contact and the clamping part, so that the stability in a non-use state is ensured.

Drawings

FIG. 1 is a static schematic of the present invention;

FIG. 2 is a schematic view of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

fig. 4 is a schematic view of the clamping portion in the cavity of the present invention.

Detailed Description

Embodiments of the present invention are further described with reference to fig. 1 to 4.

The embodiment has the specific structure that: the hollow tube comprises a hollow tube 1, wherein an inner cavity 100 is arranged in the hollow tube 1, the two inner cavities comprise a first inner cavity and a second inner cavity which are communicated with each other, and the inner diameter of the first inner cavity is smaller than that of the second inner cavity. The inner rod I2 is movably connected in the inner cavity I, the inner rod II 3 is movably connected in the inner cavity II, the diameter of the inner rod I2 is smaller than that of the inner rod II 3, and the inner rod I2 and the inner rod II 3 can stretch and move in the hollow pipe 1.

Wherein, a cavity into which the inner rod I2 extends is arranged in the inner rod II 3.

The outer wall of the inner rod I2 is provided with two convex contacts 21, and the inner wall of the inner cavity I is provided with a first sliding groove 101 for the two contacts 21 to slide.

The inner wall of the cavity is provided with a second sliding chute 102 for the contact 21 to slide and a clamping part 20 for the contact 21 to be clamped after rotating.

The catching portion 20 includes a side groove 201 and a groove 202 communicating with each other, and the side groove 201 communicates with the second sliding groove 102 and is disposed on a moving path along which the contact 21 is rotated.

In the contraction process, the inner rod I2 can extend into the cavity of the inner rod II 3 when moving backwards, and after the contact 21 on the inner rod I2 is abutted against the bottom of the second sliding groove 102, the inner rod I2 is rotated, so that the contact 21 slides into the groove 202 along the side groove 201 and is surrounded by the groove 202, and clamping is achieved. The inner rods I2 and II 3 can not be pulled out when being subjected to axial tension.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and the skilled in the art can carry out the common changes and replacements within the technical solution of the present invention.

Claims

1. The utility model provides a two-way telescopic rod, includes the hollow tube, has two inner chamber one and the inner chamber two that communicate each other in the hollow tube, and swing joint has interior pole one in the inner chamber one, and interior pole two is swing joint to but interior pole one and interior pole two is at the telescopic activity of hollow tube, its characterized in that: the inner diameter of the first inner cavity is smaller than that of the second inner cavity, the diameter of the first inner rod is smaller than that of the second inner rod, and a cavity into which the first inner rod extends is formed in the second inner rod.

2. The bi-directional expansion rod of claim 1, wherein: the outer wall of the first inner rod is provided with two convex contacts, and the inner wall of the first inner cavity is provided with a first sliding groove for the two contacts to slide.

3. The bi-directional expansion rod of claim 2, wherein: and a second sliding groove for sliding the contact and a clamping part for clamping the contact after rotation are formed in the inner wall of the cavity.

4. A bi-directional expansion pole according to claim 3, characterized in that: the clamping portion comprises an edge groove and a groove which are communicated with each other, the edge groove is communicated with the second sliding groove, and the contact is arranged on a movable path where the contact is rotated.