CN219827388U - Telescopic rod with high bending resistance - Google Patents

Abstract

The utility model discloses a telescopic rod with high bending resistance, and belongs to the field of telescopic rods. Is formed by butt joint of a plurality of fixed rods; the telescopic rod with high bending resistance further comprises: the connecting piece is used for connecting two adjacent fixing rods; the anti-skid piece is arranged on one of the fixing rods; wherein, the structure of two adjacent butt joint dead levers is the same. The telescopic rod has the beneficial effect of being high in bending resistance.

Description

Telescopic rod with high bending resistance

Technical Field

The utility model relates to the field of telescopic rods, in particular to a telescopic rod with high bending resistance.

Background

The telescopic rod is a telescopic hollow rod rolled by adopting a metal material; the diameter of each telescopic rod is reduced once; as the length of the telescopic rod increases, the diameter of the telescopic rod gradually decreases, and accordingly the bending resistance of the telescopic rod also decreases.

There is no telescopic rod with high bending resistance.

Disclosure of Invention

The summary of the utility model is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. The summary of the utility model is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.

In order to solve the technical problems mentioned in the background section above, some embodiments of the present utility model provide a telescopic rod with high bending resistance, which is formed by butt-jointing a plurality of fixing rods; the telescopic rod with high bending resistance further comprises: the connecting piece is used for connecting two adjacent fixing rods; the anti-skid piece is arranged on one of the fixing rods; wherein, the structure of two adjacent butted fixed rods is the same;

when in use, a plurality of fixed rods with the same structure are formed into telescopic rods in a butt joint mode; therefore, the size of any part of the telescopic rod in the length direction is the same; further, the bending resistance of any part of the upper rod along the length direction is the same; therefore, the traditional telescopic rod with the diameter changed from large to small is replaced, and the bending resistance of the telescopic rod is improved.

Further, the connecting piece is composed of an external thread block arranged at one end of the fixed rod and an internal thread block arranged at the other end of the fixed rod;

wherein the external thread block protrudes out of the end face part of the fixing rod; the internal thread block is positioned in the fixing rod; so that the end part of the fixing rod provided with the external thread block is inserted into the end part of the adjacent fixing rod provided with the internal thread block, and the threaded connection is formed.

Further, the fixing rod is configured in a cylindrical shape;

the fixed rod forms a clamping part connected with the external thread block;

the clamping part is radially inwards concave on the surface of the fixed rod, the inner concave part extends the shaft in the circumferential direction, and the inner concave part penetrates towards the end part of the fixed rod;

wherein, the outer wall that sets up the external screw thread piece in the joint portion forms the cooperation with the inner wall of joint portion.

Further, a matching hole matched with the internal thread block is formed at one end of the fixing rod, which is not provided with the external thread block;

the inner thread block is inserted into the matching hole, and the outer wall of the inner thread block is tightly attached to the inner wall of the matching hole;

the diameter of the clamping part is smaller than the aperture of the matching hole.

Further, the end of the internal thread block is at a distance from the end of the fixing rod, and the distance is consistent with the length of the clamping part.

Further, a fixing sleeve is sleeved at one end of the fixing rod, which is provided with the internal thread block;

two ends of the fixed sleeve form a big port and a small port, and the caliber of the small port is smaller than that of the big port;

wherein, the miniport cooperates with one end of dead lever that is equipped with the internal thread piece.

Further, the outer wall of the fixing rod forms a plurality of reinforcing strips which are uniformly distributed along the circumference direction of the fixing rod.

Further, the antiskid piece is an antiskid sleeve and is sleeved at one end of the fixed rod.

The utility model has the beneficial effects that: the telescopic rod can be disassembled and assembled, has a simple self-defined length and has high bending resistance.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model, are incorporated in and constitute a part of this specification. The drawings and their description are illustrative of the utility model and are not to be construed as unduly limiting the utility model.

In addition, the same or similar reference numerals denote the same or similar elements throughout the drawings. It should be understood that the figures are schematic and that elements and components are not necessarily drawn to scale.

In the drawings:

FIG. 1 is an overall schematic of an embodiment according to the present utility model;

FIG. 2 is a schematic structural view of a portion of an embodiment, mainly showing the structure of the mounting of the snap-fit portion and the externally threaded block;

FIG. 3 is a schematic structural view of a portion of an embodiment, primarily illustrating the explosive structure of the mounting of the securing rod and threaded block;

FIG. 4 is a schematic structural view of a portion of an embodiment, mainly illustrating the structure of an internally threaded block;

FIG. 5 is a schematic structural view of a portion of an embodiment, showing primarily a partial cross-sectional view of the internally threaded block and the securing rod;

FIG. 6 is a schematic structural view of a portion of an embodiment, mainly showing the structure of the fixing rod and the fixing sleeve;

fig. 7 is a schematic structural view of a part of the embodiment, mainly showing an exploded view of the fixing rod and the fixing sleeve.

Reference numerals:

100. a telescopic rod;

1. a fixed rod; a1, reinforcing strips; a2, a clamping part;

2. a connecting piece; 21. an external thread block; 22. an internal thread block;

3. an anti-slip member;

4. a fixed sleeve; a41, big port; a42, small port.

Detailed Description

Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It should be understood that the drawings and embodiments of the present disclosure are for illustration purposes only and are not intended to limit the scope of the present disclosure.

It should be noted that, for convenience of description, only the portions related to the present utility model are shown in the drawings. Embodiments of the present disclosure and features of embodiments may be combined with each other without conflict.

It should be noted that the terms "first," "second," and the like in this disclosure are merely used to distinguish between different devices, modules, or units and are not used to define an order or interdependence of functions performed by the devices, modules, or units.

It should be noted that references to "one", "a plurality" and "a plurality" in this disclosure are intended to be illustrative rather than limiting, and those of ordinary skill in the art will appreciate that "one or more" is intended to be understood as "one or more" unless the context clearly indicates otherwise.

The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

A telescopic link with high bending resistance is formed by butt joint of a plurality of fixed bars 1 with the same structure; specifically, the fixing rod 1 is configured in a cylindrical shape, and the outer wall forms a plurality of reinforcing strips a1, and the reinforcing strips a1 are uniformly distributed along the circumferential direction of the fixing rod 1; the reinforcing strip a1 and the fixed rod 1 are integrally formed, so that the strength of the fixed rod 1 is improved; wherein, the shaft diameter of any position of the fixed rod 1 along the length direction is the same; in this way, the same shaft diameter can be ensured at any position in the length direction of the telescopic rod 100, and further, the same bending resistance can be ensured at any position in the length direction of the telescopic rod 100, so that the bending resistance of the telescopic rod 100 is enhanced relative to the traditional telescopic rods with different shaft diameters.

The telescopic rod 100 with high bending resistance further comprises: a connecting piece 2 and an anti-slip piece 3;

the connecting piece 2 is used for connecting two adjacent fixing rods 1; more specifically, the connecting piece 2 is composed of an external thread block 21 arranged at one end of the fixed rod 1 and an internal thread block 22 arranged at the other end of the fixed rod 1; wherein the external screw block 21 protrudes from an end face portion of the fixing rod 1; the internal thread block 22 is positioned inside the fixed rod 1; so that the end part of the fixed rod 1 provided with the external thread block 21 is inserted into the end part of the adjacent fixed rod 1 provided with the internal thread block 22 and forms threaded connection; the connection convenience of the fixed rod 1 can be improved through a threaded connection mode;

more specifically, the external thread block 21 is a standard component, and can be adapted to different accessories, such as high pruning props, mop heads and the like; such connection of different numbers of fixing bars 1 enables the telescopic bars 100 to be different in length, and enables the fitting to be adapted to different working environments.

More specifically, the fixing rod 1 forms a clamping portion a2 connected to the male screw block 21; the clamping part a2 is radially inwards concave on the surface of the fixed rod 1, the inner concave part extends the shaft in the circumferential direction, and the inner concave part penetrates towards the end part of the fixed rod 1; wherein, the outer wall that sets up external screw thread piece 21 in joint portion a2 forms interference fit with the inner wall of joint portion a2, and preferably, adopts the hot melt machine to soften joint portion a2 department to in inserting joint portion a2 with external screw thread piece 21, form interference fit.

More specifically, a fitting hole in interference fit with the internal thread block 22 is formed at one end of the fixing rod 1, which is not provided with the external thread block 21; the internal thread block 22 is inserted into the matching hole, and the outer wall of the internal thread block 22 is tightly attached to the inner wall of the matching hole; wherein the diameter of the matching part is smaller than the aperture of the matching hole; more specifically, the end of the female screw block 22 is spaced from the end of the fixing rod 1 by a distance corresponding to the length of the engaging portion a 2.

More specifically, the end of the fixing rod 1 provided with the internal thread block 22 is also sleeved with a fixing sleeve 4; the two ends of the fixed sleeve 4 are provided with a big port a41 and a small port a42, and the caliber of the small port a42 is smaller than that of the big port a 41; wherein, the small port a42 is matched with one end of the fixed rod 1 provided with the internal thread block 22; the small port a42 of the fixing sleeve 4 is softened by a hot melting machine, and one end of the fixing rod 1 provided with the internal thread block 22 is inserted into the small port a42 to form fixing.

More specifically, an anti-slip member 3 is sleeved on a first fixing rod 1 in the telescopic rods 100 formed by a plurality of fixing rods 1, and the anti-slip member 3 is made of anti-slip sleeve and rubber.

The foregoing description is only of the preferred embodiments of the present disclosure and description of the principles of the technology being employed. It will be appreciated by those skilled in the art that the scope of the utility model in the embodiments of the present disclosure is not limited to the specific combination of the above technical features, but encompasses other technical features formed by any combination of the above technical features or their equivalents without departing from the spirit of the utility model. Such as the above-described features, are mutually substituted with (but not limited to) the features having similar functions disclosed in the embodiments of the present disclosure.

Claims (8)

1. A telescopic rod with high bending resistance, characterized in that: is formed by butt joint of a plurality of fixed rods;

the telescopic rod with high bending resistance further comprises:

the connecting piece is used for connecting two adjacent fixing rods;

the anti-skid piece is arranged on one of the fixed rods;

wherein, two adjacent butt joint the structure of dead lever is the same.

2. The telescopic rod with high bending resistance according to claim 1, wherein:

the connecting piece consists of an external thread block arranged at one end of the fixed rod and an internal thread block arranged at the other end of the fixed rod;

wherein the external thread block protrudes out of an end face portion of the fixing rod; the internal thread block is positioned in the fixing rod; so that the end part of the fixing rod provided with the external thread block is inserted into the end part adjacent to the fixing rod provided with the internal thread block, and the threaded connection is formed.

3. The telescopic rod with high bending resistance according to claim 2, wherein:

the fixing rod is configured in a cylindrical shape;

the fixing rod forms a clamping part connected with the external thread block;

the clamping part is radially inwards concave on the surface of the fixed rod, the inner concave part extends the shaft in the circumferential direction, and the inner concave part penetrates towards the end part of the fixed rod;

the outer wall of the external thread block is arranged in the clamping part and matched with the inner wall of the clamping part.

4. A telescopic rod with high bending resistance according to claim 3, wherein:

one end of the fixed rod, which is not provided with an external thread block, is provided with a matching hole matched with the internal thread block;

the internal thread block is inserted into the matching hole, and the outer wall of the internal thread block is tightly attached to the inner wall of the matching hole;

the diameter of the clamping part is smaller than the aperture of the matching hole.

5. The high bending resistance telescopic rod according to claim 4, wherein:

the end part of the internal thread block is a certain distance from the end part of the fixed rod, and the distance is consistent with the length of the clamping part.

6. The high bending resistance telescopic rod according to claim 5, wherein:

the end of the fixing rod, which is provided with the internal thread block, is also sleeved with a fixing sleeve;

the two ends of the fixed sleeve form a big port and a small port, and the caliber of the small port is smaller than that of the big port;

wherein, the miniport with the dead lever is equipped with the one end cooperation of internal thread piece.

7. The telescopic rod with high bending resistance according to claim 1, wherein:

the outer wall of the fixed rod forms a plurality of reinforcing strips which are uniformly distributed along the circumference direction of the fixed rod.

8. The telescopic rod with high bending resistance according to claim 1, wherein:

the antiskid piece is an antiskid sleeve and is sleeved at one end of the fixed rod.