CN201363343Y

CN201363343Y - Flexible positioning mechanism of inner sleeve and outer sleeve

Info

Publication number: CN201363343Y
Application number: CNU2008201582419U
Authority: CN
Inventors: 何荣光
Original assignee: SHANGHAI DONGJIN INDUSTRY Co Ltd
Current assignee: SHANGHAI DONGJIN INDUSTRY Co Ltd
Priority date: 2008-12-30
Filing date: 2008-12-30
Publication date: 2009-12-16
Anticipated expiration: 2018-12-30

Abstract

The utility model relates to a flexible positioning mechanism of an inner sleeve and an outer sleeve, which comprises a buckle sleeve, a buckle and a buckle base, wherein the buckle sleeve is a sleeve body which can penetrate through an inner sleeve, and the two ends of the sleeve body are communicated, and a long buckle opening and a short buckle opening are vertically arranged on the sleeve body, and the height of the short buckle opening arranged on the sleeve body corresponds to the height of the upper end of the long buckle opening; the buckle comprises an annular sheet body, the outside of the annular sheet body is extended to form two positions corresponding to the buckle blocks of the two buckle openings of the buckle sleeve; the buckle base is provided with a base body, and the lower end of the base body is connected with the upper end of an outer sleeve; the lower end of the buckle sleeve is connected with the upper end of the buckle base, so that a spring and the buckle are sequentially sealed in the sleeve body of the buckle sleeve; the upper end of the spring is provided with a positioning part for limiting the spring of the buckle sleeve, and the lower end thereof is arranged over the upper end face of the annular sheet body of the buckle; and the two buckle blocks of the buckle are respectively positioned in the two buckle openings of the sleeve body. The utility model solves the technical problem that the prior structure needs two plastic connecting pieces which are respectively provided with internal thread and external thread in order to achieve positioning, and the operation of the flexible positioning is convenient and labor saving.

Description

A kind of flexible positioning means of inside and outside sleeve pipe

Technical field:

The utility model relates to the flexible positioning means of inside and outside sleeve structure, particularly a kind of inside and outside sleeve pipe with Telescopic.

Background technique:

In products such as drying rack, plain type wardrobe, the structure of inside and outside telescopic tube is generally adopted.Flexible, locating function by inside and outside sleeve pipe can change the length of product, and then make product strengthen practicability.Flexible, the position structure of existing inside and outside sleeve pipe is usually as shown in Figure 1: outer race solid of pipe A lower end has the plastic fastening B of outside thread B1 in this, and the upper end cover solid of this outer tube C has the plastic fastening D of internal thread D1; The internal thread D1 of this plastic fastening D and the outside thread B1 of above-mentioned plastic fastening B can screw togather mutually.During use, the location after by above-mentioned internal and external screw thread structure telescopic inside and outside sleeve pipe being stretched.But this structure has following defective:

1, this structure need be equipped with a plastic fastening on interior pipe and outer tube, and plastic fastening all needs to offer screw thread, has therefore increased the cost of material and the technology cost of product.

2, this structure needs to rotate multi-turn in flexible location work, could be with internal and external screw thread in conjunction with firm, and therefore the operation of location is also relatively required great effort.

The model utility content:

The purpose of this utility model is to provide a kind of flexible positioning means of inside and outside sleeve pipe newly, and mainly solving existing structure needs two plastic fastenings that have internal and external screw thread respectively could realize the technical problem of location, and operation very bothers, effort.

For solving the problems of the technologies described above, the utility model is achieved in that

A kind of flexible positioning means of inside and outside sleeve pipe is characterized in that it comprises:

One buckle overcoat, the body of pipe had the spring positioning part near this body upper end open in it also can pass for two ends are communicated with, and had vertical setting two button mouths that one is long and the other is short on the body, wherein, short button mouthful being provided with highly highly on body corresponding to long button mouthful upper end;

One buckle, it comprises the ring slice that can pass interior pipe in the middle of, this ring slice outside is extended with mouth is buckled in the position corresponding to two in buckle overcoat the piece of buckleing;

One buckle base, it has the pedestal that two ends are communicated with and can pass interior pipe, and the pedestal lower end is connected with the outer tube upper end;

Described buckle overcoat lower end and buckle base upper end is connected and spring, buckle is sealed successively and is located in the buckle overcoat body; This spring upper end has the buckle overcoat to get the upper-end surface that the spring positioning part is spacing, the lower end is crossed on buckle ring-type lamellar body; Two button pieces of buckle lay respectively in two button mouths of body.

The flexible positioning means of described inside and outside sleeve pipe is characterized in that isolating part that the pedestal of described buckle base is established by its central ring separates and is upper end portion and underpart; This isolating part upper-end surface has a lock dog; Lock dog snaps in the fore shaft that is provided with on the buckle base when fixedly connected with buckle base upper end in buckle overcoat lower end.

The flexible positioning means of described inside and outside sleeve pipe is characterized in that described fore shaft is positioned at long button mouthful lower end.

The flexible positioning means of described inside and outside sleeve pipe is characterized in that the body of described buckle overcoat is outside equipped with anti-skidding recess or protuberance.

By said structure, the utlity model has following advantage:

The utility model structure is compared with structure of the prior art, and the flexible and positioning action of inside and outside sleeve pipe is very easy.Particularly in the operating process of the flexible location of sleeve pipe, reduced the operation of rotational lock.

Description of drawings:

Fig. 1 is the structural representation of the flexible positioning means of existing inside and outside sleeve pipe.

Fig. 2 is a three-dimensional decomposition texture schematic representation of the present utility model.

Fig. 3 is a composite structure schematic representation of the present utility model.

Fig. 4 is the utility model user mode structural representation.

Embodiment:

See also Fig. 2,3, it is the flexible positioning means of a kind of inside and outside sleeve pipe of the utility model.As shown in the figure: it comprises,

One buckle overcoat 2, it is communicated with and can passes the body 20 of interior pipe 1 for two ends, has spring positioning part 21 near these body 20 upper end open, have vertical setting two button mouths 22,23 that one is long and the other is short on the body 20, wherein, short button mouthful 23 being provided with on body 20 highly corresponding to long button mouthful 22 upper end height.

One buckle 4, it comprise can pass in the middle of one in the ring slice of pipe 1, this ring slice outside is extended with the position and

buckles piece

41,42 corresponding to what 2 two in buckle overcoat buckle mouth 22,23.

One buckle base 5, it has the pedestal that two ends are communicated with and can pass interior pipe 1, and the pedestal lower end is connected with outer tube 6 upper ends.

Described buckle overcoat 2 lower ends are connected with buckle base 5 upper ends and spring 3, buckle 4 are sealed successively and are located in the buckle overcoat body 20; These spring 3 upper ends have buckle overcoat 2 the upper-end surface that the spring positioning part is 21 spacing, the lower end is crossed on buckle 4 ring-type lamellar bodies; Two

button pieces

41,42 of buckle 4 lay respectively in two button mouths 22,23 of body 20.

As shown in Figure 4, when in needs chucking location, managing, the elastic force of spring 3 acts on the buckle 4, make buckle 4 under the guiding of long button mouth 22 and button piece 41, tilt gradually, at this moment, the perforation of buckle 4 ring-type lamellar body central authorities and the gap of interior pipe 1 also diminish gradually, and with interior pipe 1 chucking, pipe 1 continues to downslide in stoping until very close to each other.

Otherwise, when in needs make, managing retractable, upwards boosting button piece 41 under the guiding of long button mouth 22 makes the plane of buckle 4 ring-type lamellar bodies tend to vertical gradually with the axis of interior pipe 1, like this, it is big that the gap of interior pipe 1 outer rim and the perforation of buckle 4 ring-type lamellar bodies also becomes gradually, and interior pipe 1 just can freely stretch as required.

As a kind of structure and mode that buckle overcoat 2 lower ends are connected with buckle base 5 upper ends, the isolating part 51 that the pedestal of described buckle base 5 is established by its central ring separates and is upper end portion and underpart; These isolating part 51 upper-end surfaces have a lock dog 511; Lock dog 511 snaps in the fore shaft 24 that is provided with on the buckle base 5 when fixedly connected with buckle base 5 upper ends in buckle overcoat 2 lower ends.Certainly, also can make otherwise carry out fixedly connected.

In addition, not only handsome in appearance when described fore shaft 24 is positioned at long button mouth 22 lower ends, and help processing.

For the ease of operation, the body 20 of described buckle overcoat 2 is outside equipped with anti-skidding recess 25 or protuberance.

Above-described is preferred embodiment of the present utility model only, is not to be used for limiting practical range of the present utility model.Be that all equivalences of doing according to the content of the present patent application claim change and modification, all should be technology category of the present utility model.

Claims

1, a kind of flexible positioning means of inside and outside sleeve pipe is characterized in that it comprises:

2, the flexible positioning means of inside and outside sleeve pipe according to claim 1 is characterized in that isolating part that the pedestal of described buckle base is established by its central ring separates and is upper end portion and underpart; This isolating part upper-end surface has a lock dog; Lock dog snaps in the fore shaft that is provided with on the buckle base when fixedly connected with buckle base upper end in buckle overcoat lower end.

3, the flexible positioning means of inside and outside sleeve pipe according to claim 2 is characterized in that described fore shaft is positioned at long button mouthful lower end.

4,, it is characterized in that the body of described buckle overcoat is outside equipped with anti-skidding recess or protuberance according to the flexible positioning means of claim 1 or 2 or 3 described inside and outside sleeve pipes.