CN209915890U - Telescopic structure - Google Patents

Abstract

A telescoping structure, characterized by: the method comprises the following steps: a first tube; the second pipe is sleeved with the first pipe and can be relatively connected with the first pipe in a sliding manner; the bail structure is provided with an annular part and a mounting part, wherein the mounting part is provided with a rod part which extends along the axial direction of the first pipe, and a first limiting part and a second limiting part which are arranged at two axial ends of the rod part; the rod part is inserted into the central hole, the first limiting surface is matched with the first limiting part, and the second limiting surface is matched with the second limiting part; the outer ring portion is fixed within the first tube.

Description

Telescopic structure

Technical Field

The utility model relates to a telescopic structure.

Background

The prior art cleaning mop includes a shaft and a mop head. Generally, the rod of the mop in the prior art is a straight rod, which does not have a telescopic function, and therefore, is not favorable for packaging and storage after subsequent use.

The cleaning mop in the prior art has the handle at one end of the rod part, so that the hanging ring can be arranged at the end part of the handle for storage, and the hanging ring in the prior art is unreasonable in structural design. Chinese utility model patent with application number 201520827800.0 discloses a succinct sanitary easy replacement type mop, including pipe (1) and mop sponge (2), its characterized in that, pipe (1) front end be equipped with spout (31), mop sponge (2) fix on sponge presss from both sides (4) and be equipped with on sponge presss from both sides (4) and can insert in cooperation portion (41) in spout (31), sponge press from both sides (4) or cooperation portion (41) on be equipped with sponge clamp bail (5) that are used for gripping and be equipped with between sponge clamp bail (5) and spout (31) and be used for preventing cooperation portion (41) relative spout (31) axial displacement's axial positioning structure. The mop in this patent has a handle (9), the handle (9) being secured to the tube (1), the handle (9) having integrally formed thereon a suspension loop (shown in fig. 1). This suspension loop structure has the following disadvantages: the handle (9) and the hanging ring are integrally formed, so that the manufacturing cost is high, the position of the hanging ring is not easy to adjust, and the operation is not easy to carry out when the mop needs to be hung; after the handle (9) is fixed with the pipe (1), the handle is easy to loosen and finally fall off after long-term use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a rational in infrastructure design's extending structure.

The utility model provides a technical scheme that above-mentioned problem adopted is: a telescoping structure, characterized by: the method comprises the following steps:

a first tube;

the second pipe is sleeved with the first pipe and can be relatively connected with the first pipe in a sliding manner;

the bail structure is provided with an annular part and a mounting part, wherein the mounting part is provided with a rod part which extends along the axial direction of the first pipe, and a first limiting part and a second limiting part which are arranged at two axial ends of the rod part; and

the fixing structure is provided with a central hole, a first limiting surface, a second limiting surface and an outer ring part, the rod part is inserted into the central hole, the first limiting surface is matched with the first limiting part, and the second limiting surface is matched with the second limiting part; the outer ring portion is fixed within the first tube.

Fixed knot constructs and has the edge the bulge loop that the radial extension of first pipe set up, the bulge loop is in support in the axial of first pipe the tip of first pipe.

The external diameter of bulge loop is more than or equal to the external diameter of first pipe.

The fixing structure of the present invention comprises a first portion and a second portion, wherein the first portion and the second portion are formed in the radial direction of the fixing structure together with the central hole.

Be provided with the cavity on the fixed knot constructs, the cavity with the centre bore intercommunication, just the cavity is located the radial outside of centre bore.

The utility model discloses still include location structure, location structure fixes the second pipe, location structure includes elastic arm and buckling parts, the buckling parts is fixed on the elastic arm, just the buckling parts is at least partly relative second tub of outer wall and protrusion, first pipe is provided with the lock hole that matches with the buckling parts in its axial.

The buckling hole is in the axial of first pipe is equipped with two sets ofly at least.

The utility model discloses still include the third pipe, the at least part of third pipe radially set up in first pipe with between the second pipe.

The utility model discloses still include the sheath, the sheath cover is established have on the second pipe fixed knot constructs's one end.

The outer diameter of the convex ring is less than or equal to the outer diameter of the sheath.

Compared with the prior art, the utility model, have following advantage and effect: the lifting ring structure and the fixing structure are simpler in structure and reasonable in design, and the lifting ring structure can rotate relative to the fixing structure, so that the annular part can be adjusted when the lifting ring is used, and the lifting ring is convenient to hang; the fixing structure is divided into two parts, when the fixing structure and the bail structure are connected, the rod part of the bail structure is placed into the first part, then the second part is closed with the first part, the fixing mode is simpler, and the fixing structure can be realized by any material.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic perspective view of an expansion structure in an embodiment of the present invention.

Fig. 2 is a schematic sectional structure diagram of the telescopic structure in the embodiment of the present invention.

Fig. 3 is an enlarged schematic view at a in fig. 2.

Fig. 4 is an enlarged schematic view at B in fig. 2.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

Example 1.

Referring to fig. 1 to 4, the telescopic structure of the present embodiment includes a first tube 1, a second tube 2, a bail structure 3, a fixing structure 4, a positioning structure 5, a third tube 6, and a sheath 7.

The second tube 2 in this embodiment is sleeved with the first tube 1 and is connected with the first tube 1 in a relatively sliding manner, so that the first tube 1 and the second tube 2 can be moved in a telescopic manner. In the present embodiment, the first tube 1 and the second tube 2 have the same or substantially the same sectional shape. The first pipe 1 may be a circular pipe, a triangular pipe, a square pipe, or other special pipes in the prior art. The triangular pipe, the square pipe or the special pipe can limit the relative rotation between the first pipe 1 and the second pipe 2, and other corresponding structures for limiting the rotation do not need to be specially arranged.

The bail structure 3 in this embodiment has a ring portion 31 and a mounting portion 32, wherein the mounting portion 32 has a rod portion 321 extending along the axial direction of the first tube 1, and a first limiting portion 322 and a second limiting portion 323 disposed at two axial ends of the rod portion 321.

The fixing structure 4 in this embodiment has a central hole 41, a first position-limiting surface 42, a second position-limiting surface 43 and an outer ring portion 44, the rod portion 321 is inserted into the central hole 41, the first position-limiting surface 42 is matched with the first position-limiting portion 322, and the second position-limiting surface 43 is matched with the second position-limiting portion 323; the outer ring 44 is fixed inside the first pipe 1. After the rod portion 321 is inserted into the central hole 41, the radial movement of the rod portion 321 (the bail structure 3) relative to the fixing structure 4 can be limited, and the movement of the bail structure 3 along the axial direction is limited by the first limiting surface 42 and the second limiting surface 43, so that the bail structure 3 and the fixing structure 4 are fixed. The structure of the bail structure 3 and the fixing structure 4 is simpler, and the bail structure 3 can rotate relative to the fixing structure 4, so that the annular part 31 can be adjusted when the bail structure is used, and the bail structure is convenient to hang. The outer ring portion 44 of the fixing structure 4 is inserted into the first pipe 1 and connected to the inner wall of the first pipe 1, so that the fixing of the fixing structure 4 and the first pipe 1 can be realized. In this embodiment, the fixing structure 4 can be made of hard material (e.g. hard plastic), and at this time, the outer ring portion 44 can be matched with the inner wall of the first pipe 1, and the outer ring portion 33 can be fixed on the inner wall of the first pipe 1 by means of spot riveting or glue in the prior art. In other embodiments, the fixing structure 4 may also be made of an elastic material (e.g., rubber), and the outer annular portion 44 of the fixing structure 4 is in interference fit with the inner wall of the first tube 1, so that the fixing structure 4 and the first tube 1 can be detachably connected.

The fixing structure 4 in this embodiment has a protruding ring 45 extending along the radial direction of the first pipe 1, and the protruding ring 45 abuts against the end of the first pipe 1 in the axial direction of the first pipe 1 to prevent the fixing structure 4 from being inserted into the first pipe 1.

The outer diameter of the collar 45 in this embodiment is greater than or equal to the outer diameter of the first pipe 1.

The fixation structure 4 in this embodiment comprises a first portion 401 and a second portion 402, said first portion 401 and said second portion 402 together forming said central hole 41 in a radial direction of said fixation structure 4. That is to say, the fixing structure 4 is divided into two symmetrical parts, when the fixing structure 4 and the bail structure 3 are connected, the rod part 321 of the bail structure 3 is placed into the first part 401, and then the second part 402 is closed with the first part 401, so that the fixing mode is simpler, and the fixing structure 4 can be realized no matter what material is adopted.

The fixing structure 4 in this embodiment is provided with a cavity 46, the cavity 46 is communicated with the central hole 41, and the cavity 46 is located at the radial outer side of the central hole 41. By providing the cavity 46, the material of the fixation structure 4 can be reduced. In addition, the provision of the cavity 46 reduces the wall thickness (undermining the structural strength) of at least a portion of the fixing structure 4, making it easier to insert it into the first pipe 1.

The positioning structure 5 in this embodiment is fixed to the second tube 2, the positioning structure 5 includes an elastic arm 51 and a fastening portion 52, the fastening portion 52 is fixed to the elastic arm 51, and at least a portion of the fastening portion 52 protrudes relative to an outer wall of the second tube 2, and the first tube 1 is provided with a fastening hole 11 matching with the fastening portion 52 in an axial direction thereof. The second pipe 2 and the first pipe 1 have fixing positions, which are fixed by the engagement of the engaging portions 52 with the engaging holes 11. When a large external force is applied, the engaging portion 52 and the engaging hole 11 can be disengaged, or when the engaging portion 52 is pressed, the engaging portion 52 and the engaging hole 11 can be disengaged, so that the relative positions of the first tube 1 and the second tube 2 can be adjusted.

The fastening holes 11 in this embodiment are at least two sets in the axial direction of the first tube 1, so that the first tube 1 and the second tube 2 have at least two opposite positions. Preferably, the fastening holes 11 are disposed at two opposite axial ends of the first tube 1.

At least part of the third tube 6 in this embodiment is arranged radially between the first tube 1 and the second tube 2. The third pipe 6 can reduce the fit clearance between the first pipe 1 and the second pipe 2, and prevent the first pipe 1 and the second pipe 2 from shaking greatly. The third tube 6 has a catch 61 on its upper post to enable connection with the first tube 1.

The sheath 7 in this embodiment is fitted over the end of the second tube 2 having the fixing structure 4. The sheath 7 constitutes a handle of telescopic construction.

Preferably, the outer diameter of the protruding ring 45 in this embodiment is smaller than or equal to the outer diameter of the sheath 7.

The telescopic structure in the embodiment can be used for a cleaning mop and used as a rod of the cleaning mop.

The above description in this specification is merely illustrative of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims (10)

1. A telescoping structure, characterized by: the method comprises the following steps:

a first tube;

the second pipe is sleeved with the first pipe and can be relatively connected with the first pipe in a sliding manner;

the bail structure is provided with an annular part and a mounting part, wherein the mounting part is provided with a rod part which extends along the axial direction of the first pipe, and a first limiting part and a second limiting part which are arranged at two axial ends of the rod part; and

the fixing structure is provided with a central hole, a first limiting surface, a second limiting surface and an outer ring part, the rod part is inserted into the central hole, the first limiting surface is matched with the first limiting part, and the second limiting surface is matched with the second limiting part; the outer ring portion is fixed within the first tube.

2. The telescoping structure of claim 1, wherein: the fixing structure is provided with a convex ring which extends along the radial direction of the first pipe, and the convex ring is abutted against the end part of the first pipe in the axial direction of the first pipe.

3. The telescoping structure of claim 2, wherein: the outer diameter of the convex ring is larger than or equal to the outer diameter of the first pipe.

4. The telescoping structure of claim 1, wherein: the fixing structure includes a first portion and a second portion that together form the central hole in a radial direction of the fixing structure.

5. The telescopic structure according to claim 1, 2 or 3, wherein: the fixing structure is provided with a concave cavity, the concave cavity is communicated with the center hole, and the concave cavity is located on the radial outer side of the center hole.

6. The telescoping structure of claim 1, wherein: the positioning structure is fixed on the second pipe and comprises an elastic arm and a buckling part, the buckling part is fixed on the elastic arm, at least part of the buckling part protrudes relative to the outer wall of the second pipe, and the first pipe is provided with a buckling hole matched with the buckling part in the axial direction.

7. The telescoping structure of claim 6, wherein: at least two groups of buckling holes are arranged in the axial direction of the first pipe.

8. The telescoping structure of claim 1, wherein: further comprising a third tube, at least a portion of the third tube being disposed radially between the first tube and the second tube.

9. The telescoping structure of claim 2, wherein: the protective sleeve is sleeved at one end of the second pipe, which is provided with the fixing structure.

10. The telescoping structure of claim 9, wherein: the outer diameter of the convex ring is smaller than or equal to the outer diameter of the sheath.

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