CN111387870A

CN111387870A - Folding telescopic pipe

Info

Publication number: CN111387870A
Application number: CN202010260543.2A
Authority: CN
Inventors: 徐彬彬
Original assignee: Suzhou Weizhi New Electrical Technology Co ltd
Current assignee: Suzhou Weizhi New Electrical Technology Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-07-10

Abstract

The invention discloses a folding telescopic pipe which comprises a first folding pipe, a second folding pipe, a telescopic pipe and a flexible pipe, wherein the first folding pipe is arranged on the first side of the telescopic pipe; the second folding pipe is connected with the first folding pipe through a hinge; the extension tube is detachably arranged at the free end of the second folding tube, and a flexible tube is arranged between the extension tube and the first folding tube for connection; the folding telescopic pipe has the folding and telescopic functions, so that a user can conveniently switch back and forth in the using process, the production cost is correspondingly reduced, and the waste of packaging and storage space is avoided.

Description

Folding telescopic pipe

Technical Field

The invention relates to an improvement of accessories for a dust collector, in particular to a folding telescopic pipe which can be telescopic and foldable.

Background

The folding pipe and the telescopic pipe which are matched with the existing handheld dust collector are respectively independent, and a user can select the folding pipe and the telescopic pipe according to the specific use environment in the use process; this approach can result in increased design cost, inconvenience for the user to switch back and forth during use, and waste of packaging and storage space.

Therefore, the invention discloses a folding telescopic pipe which can be telescopic and foldable.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a folding telescopic pipe which can be telescopic and foldable.

In order to achieve the purpose, the invention adopts the technical scheme that: a folding telescopic pipe comprises a first folding pipe, a second folding pipe, a telescopic pipe and a flexible pipe; the second folding pipe is connected with the first folding pipe through a hinge; the telescopic pipe is detachably arranged at the free end of the second folding pipe, and a flexible pipe is arranged between the telescopic pipe and the first folding pipe for connection.

Preferably, one end of the second folding tube is connected with one end of the first folding tube through a hinge; the same end part of the second folding pipe provided with the hinge is also provided with a locking mechanism, and the locking mechanism is positioned at the opposite side of the hinge; when the angle between the first folding pipe and the second folding pipe is 180 degrees, the locking mechanism can lock the first folding pipe and the second folding pipe.

Preferably, the telescopic pipe and the second folding pipe are detachably connected through thread fit.

Preferably, the extension tube and the second folding tube are detachably connected through snap fit.

Preferably, the locking mechanism comprises a lock catch; one end of the lock catch is provided with a lock hook, the other end of the lock catch is provided with an unlocking part, and the middle part of the lock catch is rotatably fixed on the second folding pipe; the corresponding end part of the first folding pipe is provided with a fixing hole corresponding to the latch hook; when the lock hook is inserted into the fixing hole, the first folding pipe and the second folding pipe are locked.

Preferably, the inner side of the locking hook is provided with a first downward inclined surface; when the lock hook is inserted into the fixing hole, the first inclined surface on the lock catch is tightly matched with the second inclined surface in the fixing hole, so that the first folding pipe and the second folding pipe are locked.

Preferably, the other end of the second folding pipe is provided with a plugging part; one end of the telescopic pipe is sleeved on the plugging part.

Preferably, the plugging part is provided with a taper so as to realize tight fit with the telescopic pipe.

Preferably, one end of the second folding pipe is provided with a protrusion; the bulges are distributed along the natural extension direction of the second folding pipe; the protrusions are positioned right below the lock catches and on the opposite sides of the side portions of the second folding pipes provided with the hinges; when the angle between the first folding pipe and the second folding pipe is 180 degrees, the outer side surface of the first folding pipe is in contact with the lower surface of the protrusion.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:

the folding telescopic pipe has the folding and telescopic functions, so that a user can conveniently switch back and forth in the using process, the production cost is correspondingly reduced, and the waste of packaging and storage space is avoided.

Drawings

The technical scheme of the invention is further explained by combining the accompanying drawings as follows:

fig. 1 is a perspective view of a folding telescopic tube according to the present invention;

FIG. 2 is a cross-sectional view of a folding telescopic tube according to the present invention;

FIG. 3 is a perspective view of the telescopic tube of the foldable telescopic tube of the present invention taken out from the inserting and pulling part;

FIG. 4 is a perspective view of a first folding tube and a second folding tube of the folding telescopic tube according to the present invention during folding;

FIG. 5 is an enlarged view of portion A of FIG. 2;

wherein: 1. a first folded tube; 2. a second folded tube; 3. a telescopic pipe; 4. a floor brush joint; 5. a dust collector joint; 6. a plug-in part; 11. locking; 12. a fixing hole; 13. a hinge; 14. a protrusion; 15. a flexible tube; 16. an unlocking portion; 17. a first inclined plane; 18. a second inclined plane; 19. a latch hook.

Detailed Description

The invention is described in further detail below with reference to the figures and the embodiments.

Referring to fig. 1-5, the foldable telescopic tube of the present invention includes a first foldable tube 1, a second foldable tube 2 and a telescopic tube 3; the lower end part of the second folding pipe 2 is connected with the upper end part of the first folding pipe 1 through a hinge 13; the lower end part of the second folding pipe 2 is also rotatably provided with a lock catch 11, and the lock catch 11 is positioned at the opposite side of the hinge 13; one end of the lock catch 11 is provided with a lock hook 19, the other end is provided with an unlocking part 16, and the middle part of the lock catch is fixed on the second folding tube 2; the inner side of the lock hook 19 is provided with a downward first inclined surface 17; the upper end part of the first folding pipe 1 is provided with a fixing hole 12 corresponding to the latch hook 19; when the locking hook 19 is inserted into the fixing hole 12, the first inclined surface 17 on the lock catch 11 is tightly matched with the second inclined surface 18 in the fixing hole 12, so that the first folding tube 1 and the second folding tube 2 are locked; when the unlocking part 16 is pressed, the locking hook 19 can be lifted up through the lever principle and is separated from the fixing hole 12, and at the moment, the first folding tube 1 and the second folding tube 2 can relatively rotate through the hinge 13; the lower end part of the second folding pipe 2 is provided with a bulge 14; said protuberances 14 are distributed along the direction of natural extension of the second folded tube 2; the protrusion 14 is located right below the locker 11 and on the opposite side of the second folded tube 2 where the hinge 13 is provided; when the angle between the first folding pipe 1 and the second folding pipe 2 is 180 degrees, the outer surface of the first folding pipe 1 is in contact with the lower surface of the protrusion 14 for limiting; the upper end part of the second folding pipe 2 is provided with a plugging part 6; the lower end part of the extension tube 3 is sleeved on the plugging part 6, in the embodiment, the plugging part 6 is provided with a taper to realize the tight fit with the extension tube 3; the upper end part of the folding tube 3 is provided with a floor brush joint 4, and the floor brush joint 4 is used for being connected with a floor brush; a dust collector joint 5 is arranged at the lower end part of the first folding pipe 1, and the dust collector joint 5 is used for being connected with a dust collector; the telescopic pipe 3 is connected with the first folding pipe 1 through a flexible pipe 15, one end of the flexible pipe 15 is communicated with the ground brush joint 4, and the other end of the flexible pipe is communicated with the dust collector joint 5.

When in use, the lower end part of the extension tube 3 is separated from the plugging part 6 of the second folding tube 2, and the flexible tube 15 is in a stretching state; the extension tube 3 can move freely and is connected with a floor brush for dust collection; when the folding state is required to be switched, the extension tube 3 is inserted back to the inserting and pulling part 6 of the second folding tube 2, and the unlocking part 16 is pressed down, so that the lock catch 11 is separated from the fixing hole 12, and at the moment, the first folding tube 1 and the second folding tube 2 can be folded.

In this embodiment, the extension tube 3 is detachably mounted on the second folded tube 2; it is of course also possible to mount the telescopic tube 3 detachably on the first folded tube 1, and then to communicate the second folded tube 2 with the telescopic tube 3 through the flexible tube 15, with other similar constructions, which will not be described again.

In this embodiment, the first folding tube 1 and the second folding tube 2 are connected by a hinge to realize mutual rotation of the two, and the relative position of the two is fixed by a locking mechanism; it is understood that other similar structures can be used to realize the relative rotation function of the first folding tube 1 and the second folding tube 2, and these structures should be within the technical idea of the present invention, such as the common structure that realizes the relative rotation of the first folding tube 1 and the second folding tube 2 by the cooperation of the rotation shaft and the spring, and in this case, the locking mechanism is not needed.

The above-mentioned embodiments are merely illustrative of the technical idea and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.

Claims

1. A folding telescopic pipe is characterized in that: the folding device comprises a first folding pipe, a second folding pipe, an extension pipe and a flexible pipe; the second folding pipe is connected with the first folding pipe through a hinge; the telescopic pipe is detachably arranged at the free end of the second folding pipe, and a flexible pipe is arranged between the telescopic pipe and the first folding pipe for connection.

2. The folding telescopic tube according to claim 1, characterized in that: one end of the second folding pipe is connected with one end of the first folding pipe through a hinge; the same end part of the second folding pipe provided with the hinge is also provided with a locking mechanism, and the locking mechanism is positioned at the opposite side of the hinge; when the angle between the first folding pipe and the second folding pipe is 180 degrees, the locking mechanism can lock the first folding pipe and the second folding pipe.

3. The folding telescopic tube according to claim 1, characterized in that: the telescopic pipe is detachably connected with the second folding pipe through thread matching.

4. The folding telescopic tube according to claim 1, characterized in that: the telescopic pipe and the second folding pipe are detachably connected through buckling and matching.

5. The folding telescopic tube according to claim 2, characterized in that: the locking mechanism comprises a lock catch; one end of the lock catch is provided with a lock hook, the other end of the lock catch is provided with an unlocking part, and the middle part of the lock catch is rotatably fixed on the second folding pipe; the corresponding end part of the first folding pipe is provided with a fixing hole corresponding to the latch hook; when the lock hook is inserted into the fixing hole, the first folding pipe and the second folding pipe are locked.

6. The folding telescopic tube of claim 5, characterized in that: a first downward inclined surface is arranged on the inner side of the lock hook; when the lock hook is inserted into the fixing hole, the first inclined surface on the lock catch is tightly matched with the second inclined surface in the fixing hole, so that the first folding pipe and the second folding pipe are locked.

7. The folding telescopic tube according to claim 1, characterized in that: the other end of the second folding pipe is provided with a plugging part; one end of the telescopic pipe is sleeved on the plugging part.

8. The folding telescopic tube of claim 7, characterized in that: the plug-pull part is provided with a taper so as to realize the close fit with the telescopic pipe.

9. The folding telescopic tube of claim 5, characterized in that: one end of the second folding pipe is provided with a bulge; the bulges are distributed along the natural extension direction of the second folding pipe; the protrusions are positioned right below the lock catches and on the opposite sides of the side portions of the second folding pipes provided with the hinges; when the angle between the first folding pipe and the second folding pipe is 180 degrees, the outer side surface of the first folding pipe is in contact with the lower surface of the protrusion.