CN201884399U

CN201884399U - Novel telescopic pipe capable of stretching out or drawing back in two directions

Info

Publication number: CN201884399U
Application number: CN2010206715734U
Authority: CN
Inventors: 邬永龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-12-21
Filing date: 2010-12-21
Publication date: 2011-06-29
Anticipated expiration: 2020-12-21

Abstract

The utility model relates to a novel telescopic pipe capable of stretching out or drawing back in two directions, comprising an inner pipe, an outer pipe, a sealing ring and a locking mechanism, wherein the inner pipe is sheathed in the outer pipe; the sealing ring is arranged between the inner pipe and the outer pipe; and the locking mechanism is arranged between the inner pipe and the outer pipe and can move in two directions. As for the novel telescopic pipe, both ends of a sliding block are provided with return springs that can push a manipulation sleeve in two directions, so that the telescopic pipe is in unlocked state and can be stretched out or drawn back in two directions, thus bringing more convenience for customers to use.

Description

But a kind of telescopic pipe of novel bi-directional expansion

Technical field

The utility model relates to a kind of telescopic pipe, is meant a kind of novel telescopic pipe that can bi-directional expansion especially, belongs to pipe; Pipe joint or pipe fitting technical field.

Background technique

In the prior art, telescopic pipe normally is made up of the mutual socket of pipe in an outer tube and, wherein interior pipe outer tube relatively is flexible, also be provided with locking framework between interior pipe and the outer tube, this locking framework can lock interior pipe with outer tube mutually, and this locking framework is made up of sleeve pipe, manipulation sleeve pipe, return spring, locking member usually.This telescopic pipe can only folk prescription to flexible, promptly locking framework can only be toward a direction motion, has only when promoting locking framework toward this direction, interior pipe outer tube relatively is flexible, thereby certain narrow limitation is arranged when using.

The model utility content

But the utility model purpose is the telescopic pipe that a kind of novel bi-directional expansion is provided in order to overcome the deficiencies in the prior art.

For achieving the above object, the technical solution adopted in the utility model is: but a kind of telescopic pipe of novel bi-directional expansion comprises interior pipe, outer tube, seal ring, locking framework; Pipe box is located at outer tube inside in described; Described seal ring is arranged between interior pipe and the outer tube; Between pipe and the outer tube, described locking framework can bidirectional-movement in described locking framework was arranged on; Described locking framework comprises the tooth bar, lining, slide block, needle roller, Returnning spring, the manipulation cover that are arranged on interior pipe; Described lining is arranged on the outer tube, and described lining is provided with groove, and the bottom of described groove is provided with at least 1 hole that matches with tooth bar; Described needle roller is arranged in the described hole; Described slide block is arranged in the groove; Described slide block is provided with the groove that matches with needle roller, and described Returnning spring has 2, is separately positioned on the two ends of slide block; The top of described slide block is provided with groove, described manipulation put with described slide block on the projection that matches of groove, in order to promote slide block; Described manipulation cover is fixed on the lining; When being in locked position, needle roller is pressed in by slide block in the teeth groove of tooth bar, and when being in non-locked position, needle roller is between the groove of teeth groove and slide block.

Preferably, the most significant end of described tooth bar is a plane.

Preferably, the both sides of described tooth bar are respectively arranged with the groove of tooth bar direction.

Preferably, the oriented outer lug in bi-side of described lining rectangular, described manipulation cover be provided with described lining on rectangular match rectangular, can fix and handle cover, can laterally move simultaneously.

Preferably, the two end part of described slide block are provided with spring eye, and described Returnning spring one end is arranged in the spring eye, and an end is arranged on the inwall of lining groove.

Preferably, described lining is screwed on described outer tube.

Because the utilization of technique scheme, the utility model compared with prior art has following advantage:

But the telescopic pipe of the novel bi-directional expansion of the utility model scheme, two ends at slide block are provided with Returnning spring, cover is handled in promotion that can twocouese makes telescopic pipe be in unlock state, thereby can the flexible described telescopic pipe of twocouese, can more convenient client use.

Description of drawings

Below in conjunction with accompanying drawing technical solutions of the utility model are described further:

But accompanying drawing 1 is the general assembly explosive view of the telescopic pipe of a kind of novel bi-directional expansion of the present utility model;

Accompanying drawing 2 is the stereogram of the utility model lining;

Accompanying drawing 3 is the plan view of the utility model lining;

Accompanying drawing 4 is the stereogram of the utility model slide block;

But accompanying drawing 5 is the lock state figure of the telescopic pipe of a kind of novel bi-directional expansion of the present utility model;

But accompanying drawing 6 is the first unlock state figure of the telescopic pipe of a kind of novel bi-directional expansion of the present utility model;

But accompanying drawing 7 is the second unlock state figure of the telescopic pipe of a kind of novel bi-directional expansion of the present utility model;

Accompanying drawing 8 is the utility model I-I cut-away view;

Accompanying drawing 9 is the utility model H-H cut-away view;

Accompanying drawing 10 is the utility model D-D cut-away view;

Wherein: 1, outer tube; 2, interior pipe; 3, lining; 4, slide block; 5, screw; 6, needle roller; 7, Returnning spring; 8, handle cover; 9, seal ring; 10, tooth bar; 11, groove; 31, groove; 32, hole; 33, rectangular; 41, groove; 42, groove; 43, spring eye; 81, projection; 82, rectangular.

Embodiment

The utility model is described in further detail below in conjunction with drawings and the specific embodiments.

But the telescopic pipe of a kind of novel bi-directional expansion described in the utility model shown in accompanying drawing 1-10, pipe 2, outer tube 1, seal ring 9, locking framework in comprising; Pipe 2 is set in outer tube 1 inside in described; Described seal ring 9 is arranged between interior pipe 2 and the outer tube 1; Between pipe 2 and the outer tube 1, described locking framework can bidirectional-movement in described locking framework was arranged on; Described locking framework comprises that tooth bar 10, lining 3, slide block 4, needle roller 6, Returnning spring 7, the manipulation of pipe in being arranged on overlaps 8; Described lining 3 is arranged on the outer tube 1, and described lining 3 is provided with groove 31, and the bottom of described groove 31 is provided with at least 1 hole 32 that matches with tooth bar; Described needle roller 6 is arranged in the described hole 32; Described slide block 4 is arranged in the groove 31; Described slide block 4 is provided with the groove 41 that matches with needle roller, and described Returnning spring 7 has 2, is separately positioned on the two ends of slide block 4; The top of described slide block 4 is provided with groove 42, have on the described manipulation cover 8 with described slide block 4 on the projection 81 that matches of groove 42, in order to promote slide block 4; Described manipulation cover 8 is fixed on the lining 3; When being in locked position, needle roller 4 is pressed in by slide block in the teeth groove of tooth bar 10, and when being in non-locked position, needle roller 4 is between the groove 41 of teeth groove 10 and slide block 4; The most significant end of described tooth bar 10 is planes; The both sides of described tooth bar 10 are respectively arranged with the groove 11 of tooth bar direction; The oriented outer lug in bi-side of described lining 3 rectangular 33, described manipulation cover 8 be provided with described lining on rectangular match rectangular 82, can fix and handle cover 8, can laterally move simultaneously; The two end part of described slide block 4 are provided with spring eye 43, and described Returnning spring 7 one ends are arranged in the spring eye 43, and an end is arranged on the inwall of lining groove 31; Described lining 3 usefulness screws 5 are fixed on the described outer tube.

Because the utilization of technique scheme, the utility model compared with prior art has following advantages:

But the telescoping tube of a kind of novel bi-directional expansion of the utility model scheme, two ends at slide block are provided with back-moving spring, cover is handled in promotion that can twocouese makes telescoping tube be in unlock state, thereby can the flexible described telescoping tube of twocouese, can more convenient client use.

Below only be concrete exemplary applications of the present utility model, protection domain of the present utility model is not constituted any limitation. All employing equivalents or equivalence are replaced and the technical scheme of formation, or any to move mode dull and stereotyped described in the utility model, all drop on the utility model rights protection range.

Claims

1. but the telescopic pipe of a novel bi-directional expansion comprises interior pipe, outer tube, seal ring, locking framework; Pipe box is located at outer tube inside in described; Described seal ring is arranged between interior pipe and the outer tube; Between pipe and the outer tube, it is characterized in that in described locking framework is arranged on: described locking framework can bidirectional-movement; Described locking framework comprises the tooth bar, lining, slide block, needle roller, Returnning spring, the manipulation cover that are arranged on interior pipe; Described lining is arranged on the outer tube, and described lining is provided with groove, and the bottom of described groove is provided with at least 1 hole that matches with tooth bar; Described needle roller is arranged in the described hole; Described slide block is arranged in the groove; Described slide block is provided with the groove that matches with needle roller, and described Returnning spring has 2, is separately positioned on the two ends of slide block; The top of described slide block is provided with groove, described manipulation put with described slide block on the projection that matches of groove, in order to promote slide block; Described manipulation cover is fixed on the lining; When being in locked position, needle roller is pressed in by slide block in the teeth groove of tooth bar, and when being in non-locked position, needle roller is between the groove of teeth groove and slide block.

2. but the telescopic pipe of novel bi-directional expansion according to claim 1, it is characterized in that: the most significant end of described tooth bar is a plane.

3. but the telescopic pipe of novel bi-directional expansion according to claim 1, it is characterized in that: the both sides of described tooth bar are respectively arranged with the groove of tooth bar direction.

4. but the telescopic pipe of novel bi-directional expansion according to claim 1, it is characterized in that: the oriented outer lug in bi-side of described lining rectangular, described manipulation cover be provided with described lining on rectangular match rectangular, can fix and handle cover, can laterally move simultaneously.

But 5. the telescopic pipe of novel bi-directional expansion according to claim 1, it is characterized in that: the two end part of described slide block are provided with spring eye, and described Returnning spring one end is arranged in the spring eye, and an end is arranged on the inwall of lining groove.

6. but the telescopic pipe of novel bi-directional expansion according to claim 1, it is characterized in that: described lining is fixed on the described outer tube with screw.