CN2495251Y

CN2495251Y - Telescopic pipe of suction cleaner

Info

Publication number: CN2495251Y
Application number: CN 01243061
Authority: CN
Inventors: 王长熊; 林寿明
Original assignee: GD Midea Holding Co Ltd
Current assignee: GD Midea Holding Co Ltd; Midea Group Co Ltd
Priority date: 2001-08-07
Filing date: 2001-08-07
Publication date: 2002-06-19
Anticipated expiration: 2011-08-07

Abstract

The utility model relates to a telescopic suction pipe of a suction cleaner, which comprises an outer pipe, an inner pipe provided with a guiding channel and a positioning recess, a locking body, a locking seat, a slide block, a driving body, a pipe box and a spring for ensuring a locking position, wherein the locking body, the locking seat and the slide block rotate along with the inner pipe; the driving body and the pipe box are fixed on one end of the outer pipe; the driving body is provided with an incline which is used for pushing the slide block to move along an axial direction by rotating the inner and the outer pipes; the slide block is provided with a flat part which can press the locking body into the positioning recess, and a concave part which can release the locking body. The utility model changes the existing poking and locking structure. The method of the rotation of the inner and the outer pipes is adopted for controlling the locking device. The telescopic suction pipe of the suction cleaner has the advantages of simple structure, convenient use, easy mounting, etc.

Description

The telescopic pipet of dust catcher

(1) technical field

The utility model relates to a kind of sweep-up pipe of dust catcher.

(2) background technology

In the telescopic pipet of existing dust catcher, inner and outer pipe generally can not rotate, and is provided with on outer tube and stirs latch-up structure, with the collapsing length of pipe in locking.Generally to stir button during operation and could regulate telescoping tube length, operate very inconvenient with hand.

(3) summary of the invention

The purpose of this utility model is to create a kind of telescopic pipet of dust catcher, and this telescopic pipet changes the existing locking mechanism of stirring, and controls locking mechanism by making the inner and outer pipe rotating certain angle, make telescoping tube simple to operate, easy to use, assembling is easy, and sealing property is better.

For achieving the above object, the utility model is by the following technical solutions:

A kind of telescopic pipet of dust catcher comprises pipe in an outer tube and, and interior pipe is arranged in the outer tube and can moves axially with respect to outer tube, is provided with a registration cave and a gathering sill along two generatrix directions respectively on the outer peripheral face of interior pipe; The locking seat is housed between inner and outer pipe, and locking seat and outer tube are with the pipe box that is fixed in outer tube one end, and this pipe box makes locking seat axial location and can only rotate; Locking seat inwall is provided with convex tendon, and the gathering sill of convex tendon and interior pipe cooperates, and pipe can rotate synchronously with the locking seat in making; Overlap an end in the outer tube stationary pipes and have a breach, the locking seat is in this place's projection and be provided with a chute, is provided with a lock hole at the bottom of the chute, and the position of this lock hole is corresponding with the position in cave, location; One lock body is contained in this lock hole and can be by this lock hole and the cave, location on the pipe in local the embedding; The slide block that can move vertically is housed in chute, thus the slide block locked position of coupler that pipe moves the prevention in making lock body embed the cave, location and the locking physical efficiency freely is come in and gone out locate the cave to be managed in making to move around between mobile lockset position of coupler; Also be pressed with an axle spring between slide block and the chute, this axle spring suppresses locked position of coupler with slide block; Be provided with the driving body of and location tight by the pipe box cover between pipe box and chute, this driving body can relatively rotating and shift slide block onto lockset position of coupler with interior pipe and outer tube; Be provided with circumferential spring between driving body and locking seat, this circumferential spring can be to original position, angle involution after driving body and locking seat are relatively rotated.

The utility model also can be done following improvement:

On an end of above-mentioned slide block,, on the other end, be formed with protruding key in conjunction with above-mentioned axle spring; Be formed with the inclined-plane with protruding key corresponding position on the driving body, above-mentioned protruding key and inclined-plane connect, and when driving body relatively rotated with the locking seat, slide block was progressively pushed up lockset position of coupler by the inclined-plane.

Cave, above-mentioned location is on above-mentioned outer peripheral face, along the chase that forms with the tubular axis vertical direction; Above-mentioned lock body is column; Above-mentioned slide block is provided with above-mentioned lock body by the flat portion and the recess of accommodating above-mentioned lock body that are pressed in the chase.

Driving body is a watt shape, and the middle part has breach, and slide block is positioned at this breach, and breach inner surface and protruding key corresponding position are the inclined-planes, and this inclined-plane is from progressively protruding to breach in the breach; On driving body, the breach both sides also have the spring groove along circumferential arrangement, the spring groove corresponding position is formed with spring block therewith on the locking seat, spring block stretches into spring groove, and circumferential spring is housed between spring block and the spring groove.

Pipe box is made up of a body and two hollow end caps, and two hollow end cap inner peripheral surfaces are respectively equipped with claw, and corresponding claw position is provided with locating hole on the outer tube outer peripheral face, and claw embeds locating hole and pipe box and outer tube are fixed.

The flat portion of slide block and the intersection between the recess are provided with the transition inclined-plane, so that press lock body; The outer opening part of lock hole, be provided with flange by protruding key one side, climb out of to prevent lock body.

The inner surface of the breach of driving body and protruding key corresponding position are V-shaped.

Sealing ring is equipped with in inner tube portion.

The utility model has the advantages that the locking mechanism of controlling telescoping tube by the rotation of inner and outer pipe, need not to stir any parts during operation, the inner and outer pipe rotating certain angle just can be stretched freely, operation is very easy.And all parts all are contained in the pipe box, are difficult for invading dust.

(4) description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the front view of removing pipe box 2 mid portions of the utility model under blocking;

Fig. 3 is a cutaway view of pressing Fig. 2 under blocking;

Fig. 4 is the front view of removing pipe box 2 mid portions of the utility model under unlocking condition;

Fig. 5 is a cutaway view of pressing Fig. 4 under blocking;

Fig. 6 is the structural representation of locking seat 3;

Fig. 7 is the structural representation of slide block 6;

Fig. 8 is the structural representation of driving body 7.

(5) specific embodiment

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

As shown in Figure 1, a kind of telescopic pipet of dust catcher comprises the outer tube 1 and the interior pipe 5 of mutual socket; Outer tube 1 has breach 101 and locating hole 102; Interior pipe 5 is provided with cave 501, location and gathering sill 502, and interior pipe 5 front ends are equipped with sealing ring 4; Be fixed with pipe box 2 at outer tube 1 breach one end, pipe box 2 is made up of a body 202 and two hollow end caps 201,203; The interior pipe 5 outer locking seats 3 that are with, the structure of locking seat 3 as shown in Figure 6, the gathering sill 502 of convex tendon 305 and interior pipe 5 cooperates, can drive locking seat 3 when pipe 5 rotates in making rotates, be provided with rectangle lock hole 303 in the bottom of chute 302, the outer opening part of lock hole 303 is provided with flange 306, pipe 5 in cylindrical locking body 10 acts on by lock hole 303, in chute 302, be provided with slide block 6, press strip 304 in the chute makes slide block can only do axially-movable, outer tube 1 and pipe box 2 have limited the axially-movable of locking seat 3, make it can only do certain rotation; The structure of slide block 6 as shown in Figure 7, when lock holes 303 are aimed at by flat portion 603, in lock body 10 is pressed in the cave, location 501 of pipe 5.Locking mechanism is in blocking, and when recess 602 was aimed at lock hole 303, lock body can move in recess 602, and locking mechanism is in relaxation state, and the intersection between flat portion 603 and the recess 602 is provided with transition inclined-plane 605; Between outer tube 1 and pipe box 2, be fixed with driving body 7, the structure of driving body 7 as shown in Figure 8, the inclined-plane 701 of its V-notch contacts with the protruding key 601 of slide block 6, when slide block 6 rotated with locking seat 3, the inclined-plane 701 of V-notch made slide block 6 do axially-movable; Between slide block 6 and locking seat 3 axle spring 9 is housed, axle spring 9 borrows the spring guide pillar 601 of slide block 6 to be positioned on the end face of slide block 6; Driving

body

7 and 3 of locking seats are equipped with circumferential spring 8, and circumferentially spring 8 is positioned at the spring groove 702 of driving body 7, and the one end is to withstand on the spring block 301 of locking seat 3.

Fig. 2, Fig. 3 are illustrated in structural representation of the present utility model under the blocking, the protruding key 601 of slide block 6 is in the minimum point (Fig. 2) on the inclined-plane 701 of V-notch at this moment, under the effect of axle spring 9, the lock hole 303 of locking seat 3 is aimed at by the flat portion 603 of slide block 6, in pipe 5 the cave, location 501 (Fig. 3), make not flexible of inner and outer pipe in lock body 10 is pressed into; After making the inner and outer pipe rotating certain angle, the utility model such as Fig. 4, shown in Figure 5, the protruding key 601 of slide block 6 is in the peak (Fig. 4) on the inclined-plane 701 of V-notch at this moment, the recess 602 of slide block 6 is aimed at the lock hole 303 of locking seat 3, the cave, location 501 of pipe 5 moved in the recess 602 (Fig. 5) in lock body 10 can break away from, and made inner and outer pipe be free to stretch; When not having twisting resistance between inner and outer pipe, under the effect of circumferentially spring 8 and axle spring 9, the utility model can automatically revert to Fig. 2, blocking shown in Figure 3.

Claims

1, a kind of telescopic pipet of dust catcher, comprise pipe (5) in an outer tube (1) and, interior pipe is arranged in the outer tube and can moves axially with respect to outer tube, be provided with a registration cave (501) and a gathering sill (502) along two generatrix directions respectively on the outer peripheral face of interior pipe, it is characterized in that: locking seat (3) is housed between inner and outer pipe, locking seat and outer tube are with the pipe box (2) that is fixed in outer tube one end, and this pipe box makes locking seat axial location and can only rotate; Locking seat inwall is provided with convex tendon (305), and the gathering sill of convex tendon and interior pipe cooperates, and pipe can rotate synchronously with the locking seat in making; Overlap an end in the outer tube stationary pipes and have a breach (101), the locking seat is in this place's projection and be provided with a chute (302), is provided with a lock hole (303) at the bottom of the chute, and the position of this lock hole is corresponding with the position in cave, location; One lock body (10) is contained in this lock hole and can be by this lock hole and the cave, location on the pipe in local the embedding; The slide block (6) that can move vertically is housed in chute, thus the slide block locked position of coupler that pipe moves the prevention in making lock body embed the cave, location and the locking physical efficiency freely is come in and gone out locate the cave to be managed in making to move around between mobile lockset position of coupler; Also be pressed with an axle spring (9) between slide block and the chute, this axle spring suppresses locked position of coupler with slide block; Be provided with the driving body (7) of and location tight by the pipe box cover between pipe box and chute, this driving body can relatively rotating and shift slide block onto lockset position of coupler with interior pipe and outer tube; Be provided with circumferential spring (8) between driving body and locking seat, this circumferential spring can be to original position, angle involution after driving body and locking seat are relatively rotated.

2, the telescopic pipet of dust catcher according to claim 1 is characterized in that: in conjunction with above-mentioned axle spring (9), be formed with protruding key (601) on the other end on an end of above-mentioned slide block (6); Driving body (7) is gone up with protruding key corresponding position and is formed with inclined-plane (701), and above-mentioned protruding key and inclined-plane connect, and when relatively rotating, slide block is progressively pushed up lockset position of coupler by the inclined-plane in driving body and locking (3).

3, the telescopic pipet of dust catcher according to claim 2 is characterized in that: cave, above-mentioned location (501) is on above-mentioned outer peripheral face, along the chase that forms with the tubular axis vertical direction; Above-mentioned lock body (10) is column; Above-mentioned slide block (6) is provided with above-mentioned lock body (10) by being pressed in the flat portion (603) in the chase and accommodating the recess (602) of above-mentioned lock body.

4, the telescopic pipet of dust catcher according to claim 3, it is characterized in that: driving body (7) is a watt shape, and the middle part has breach, and slide block (6) is positioned at this breach, breach inner surface and protruding key (601) corresponding position are inclined-plane (701), and this inclined-plane is from progressively protruding to breach in the breach; On driving body, the breach both sides also have the spring groove (702) along circumferential arrangement, the spring groove corresponding position is formed with spring block (301) therewith on locking seat (3), spring block stretches into spring groove, and circumferential spring (8) is housed between spring block and the spring groove.

5, the telescopic pipet of dust catcher according to claim 3, it is characterized in that: pipe box (2) is by a body (202) and two hollow end caps (201,203) form, two hollow end cap inner peripheral surfaces are respectively equipped with claw, corresponding claw position is provided with locating hole (102) on outer tube (1) outer peripheral face, and claw embeds locating hole and pipe box and outer tube are fixed.

6, the telescopic pipet of dust catcher according to claim 3 is characterized in that: the flat portion (603) of slide block (6) and the intersection between the recess (602) are provided with transition inclined-plane (605), so that press lock body (10); The outer opening part of lock hole, be provided with flange (306) by protruding key one side, climb out of to prevent lock body.

7, the telescopic pipet of dust catcher according to claim 4 is characterized in that: the inner surface of the breach of driving body (7) and protruding key (601) corresponding position are V-shaped.

8, according to the telescopic pipet of each described dust catcher of claim 1 to 7, it is characterized in that: sealing ring (4) is equipped with in interior pipe (5) end.