CN208988710U - A kind of dust catcher conductive gold stretches pipe - Google Patents

Abstract

The utility model discloses a kind of dust catcher conductive golds to stretch pipe, including fixed outer tube, sliding tube, the fixed outer tube is equipped with fixed inner tube, the fixed outer tube end is equipped with lock sleeve, it is provided in the middle part of the lock sleeve through slot, the locking set upper side is equipped with spring fastening, is equipped with unlock on the outside of the lock sleeve and pushes away button, the spring fastening side is equipped with return spring；Described that lock is equipped with inside slot, the unlock pushes away button inner top and is provided with compact heap；The sliding tube end is equipped with spring wire protection cap, and the sliding tube is inserted into the fixed internal tube, and the spring wire protection cap is inserted between the lock sleeve and the fixed inner tube, and the spring wire protection cap surface is provided with lock groove.Beneficial effect is: using the elastic force of return spring, pushing unlock to push away button makes compact heap the automatically lock of realization device and will be locked inside lock indentation lock groove, can prevent external force from device being caused to unlock.

Description

A kind of dust catcher conductive gold stretches pipe

Technical field

The utility model relates to electrical Household appliance technical fields, and in particular to a kind of dust catcher conductive gold stretches pipe.

Background technique

Dust collector expansion pipe is the important component part of dust catcher, and dust collector handle passes through dust collector expansion pipe and scrubbing brush phase Connection, thus forms entire vacuum cleaner attachment.In use, dust collector expansion pipe can realize length have grade adjust to expire The requirement of sufficient user's difference occasion.

Applicants have discovered that at least there is following technical problem in the prior art: current dust collector expansion pipe is being grown It when degree is adjusted, needs to be unlocked manually and locking, cannot achieve automatic locking and locking is fixed, be easy because external force causes to solve Lock, service performance are undesirable.

Utility model content

The purpose of this utility model is that solve the above-mentioned problems and provides a kind of dust catcher conductive gold and stretch pipe, with solution Certainly current dust collector expansion pipe needs to be unlocked manually and locking when carrying out length adjustment in the prior art, Wu Fashi Existing automatic locking and locking are fixed, and are easy because of technical problems such as external force cause to unlock, and service performance is undesirable.The utility model Preferred technical solution utilizes the elastic force of return spring in many technical solutions provided, and pushing unlock to push away button lock compact heap will It withholds inside lock groove, the automatically lock of realization device and is locked, can prevent external force from device being caused to unlock, facilitate Guarantee the technical effects such as the stability of device, elaboration as detailed below.

To achieve the above object, the utility model provides following technical scheme:

A kind of dust catcher conductive gold provided by the utility model stretches pipe, including fixed outer tube, sliding tube, the fixed outer tube Inside is equipped with fixed inner tube by lock sleeve, the fixed outer tube but is not provided with open slot, and the fixed outer tube end is pacified Equipped with lock sleeve, the lock sleeve is located between the inner wall of the fixed outer tube and the outer wall of the fixed inner tube, and the lock Only set is pierced by the open slot；It is provided in the middle part of the lock sleeve through slot, the lock sleeve internal symmetry is equipped with spring branch Seat, the spring fastening altogether there are two and be symmetrically distributed in described through slot two sides；Solution is slidably fitted on the outside of the lock sleeve Lock pushes away button, and the unlock pushes away button bit on the outside of the fixed outer tube, and the unlock pushes away button and covers on outside the lock sleeve；It is described Spring fastening side is equipped with return spring, the return spring is located at the spring fastening and the unlock push away the inner wall buckled it Between；Described to be equipped with lock through slot internal slide, the unlock pushes away button inner top and is provided with compact heap, the compact heap and institute It is corresponding to state lock；

The sliding tube end is equipped with spring wire protection cap by fixing sleeve, and the sliding tube is inserted into the fixed inner tube Inside, the spring wire protection cap are inserted between the lock sleeve and the fixed inner tube；The spring wire protection cap surface is equal Even to be provided with lock groove, the lock groove is matched with the lock.

Pipe is stretched using a kind of above-mentioned dust catcher conductive gold, when needing to carry out length adjustment, pushes the unlock to push away button, overcomes The elastic force of the return spring pushes away the unlock and is buckled in the outer Slideslip of the lock sleeve, at this time the compact heap and the lock Button is detached from, and pushes the sliding tube, is detached from the lock inside the lock groove, is adjusted the sliding tube in the fixation The elongation of the inside of inner tube unclamps the unlock and pushes away button after the completion of length adjustment, acts in the elastic force of the return spring Under, the compact heap sets back, and applies pressure to the lock, and the lock is pressed into inside the lock groove, realizes The automatically lock of device length, at the same using the elastic force of the return spring can make the compact heap always to it is described latch into Row compresses, and can be realized and is locked, and prevents external force from the unlock being caused to push away button sliding, helps to ensure that the length of device is firm Property.

Preferably, the fixed inner pipe end is equipped with limition orientation set, the limition orientation set is located at the locking Set is internal, and the sliding tube penetrates the limition orientation set.

Preferably, the limition orientation set upper side is provided with guide plate, spring wire protection cap bottom, which is provided with, is led To slot, the guide plate and the guide groove clearance fit.

Preferably, the limition orientation set inner top is provided with limited block, the sliding tube upper end is provided with limiting slot, The limited block and the limiting slot clearance fit.

Preferably, the external dimensions of the lock is equal with the inside dimension through slot, and it is gap-matched.

Preferably, the bottom of the compact heap and the upper end of the lock are all made of wedge structure, and it is slidably matched.

Preferably, the bottom of the lock and the top of the lock groove are all made of wedge structure, and it is slidably matched.

Preferably, the unlock, which pushes away button surface, is provided with that setting is fluted, and groove surfaces are provided with anti-skid chequer.

Beneficial effect is: using the elastic force of the return spring, pushing the unlock to push away button makes the compact heap by institute It states lock to be pressed into inside the lock groove, the automatically lock of realization device and be locked, can prevent external force from causing device solution Lock, helps to ensure that the stability of device.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the schematic perspective view of the utility model；

Fig. 2 is the internal structure partial enlarged view of the utility model.

The reference numerals are as follows:

1, fixed outer tube；101, open slot；2, lock sleeve；3, fixed inner tube；4, unlock pushes away button；401, compact heap；5, bullet Spring line protection cap；501, lock groove；502, guide groove；6, fixing sleeve；7, sliding tube；701, limiting slot；8, limition orientation set； 801, guide plate；802, limited block；9, lock sleeve；901, run through slot；10, spring fastening；11, it latches；12, return spring.

Specific embodiment

To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work Obtained all other embodiment is put, the range that the utility model is protected is belonged to.

Referring to shown in Fig. 1-Fig. 2, the utility model provides a kind of dust catcher conductive gold and stretches pipe, including fixed outer tube 1, sliding Dynamic pipe 7 is fixed inside outer tube 1 and is equipped with fixed inner tube 3 by lock sleeve 2, fixes outer tube 1 but is not provided with open slot 101, Gu Determine 1 end of outer tube and lock sleeve 9 is installed, lock sleeve 9 is located between the inner wall of fixed outer tube 1 and the outer wall of fixed inner tube 3, and locks Only set 9 is pierced by open slot 101；It is provided in the middle part of lock sleeve 9 through slot 901,9 internal symmetry of lock sleeve is equipped with spring fastening 10, spring fastening 10 is total to there are two and is symmetrically distributed in through 901 two sides of slot；It is slidably fitted with unlock on the outside of lock sleeve 9 and pushes away button 4, unlock pushes away button 4 and is located at fixed 1 outside of outer tube, and unlock pushes away button 4 and covers on outside lock sleeve 9；10 side of spring fastening is equipped with Return spring 12, return spring 12, which is located at spring fastening 10 and unlocks, to be pushed away between the inner wall for buckleing 4；Pacify through 901 internal slide of slot Equipped with lock 11, unlock pushes away 4 inner tops of button and is provided with compact heap 401, and compact heap 401 is corresponding with lock 11；

7 end of sliding tube is equipped with spring wire protection cap 5 by fixing sleeve 6, and sliding tube 7 is inserted into inside fixed inner tube 3, bullet Spring line protection cap 5 is inserted between lock sleeve 9 and fixed inner tube 3；5 surface of spring wire protection cap is evenly arranged with lock groove 501, lock Only slot 501 is matched with lock 11.

As optional embodiment, fixed 3 end of inner tube is equipped with limition orientation set 8, and limition orientation set 8 is located at locking Inside set 9, sliding tube 7 penetrates limition orientation set 8, can be risen to sliding tube 7 and spring wire protection cap 5 by limition orientation set 8 To limit and guiding role；

Limition orientation covers 8 upper ends and is provided with guide plate 801, and 5 bottom of spring wire protection cap is provided with guide groove 502, guiding Plate 801 and 502 clearance fit of guide groove, in this way setting can play guiding role to spring wire protection cap 5, carry out length tune When whole, it can guarantee that spring wire protection cap 5 is slided steadily；

Limition orientation covers 8 inner tops and is provided with limited block 802, and 7 upper end of sliding tube is provided with limiting slot 701, limited block 802 With 701 clearance fit of limiting slot, setting in this way can play position-limiting action to sliding tube 7, prevent sliding tube 7 and fixed inner tube 3 It is detached from；

The external dimensions of lock 11 is equal with through the inside dimension of slot 901, and is gap-matched, and setting in this way is convenient for It goes up and down lock 11 through 901 internal slide of slot, assists the unlock and locking of realization device length；

The bottom of compact heap 401 and the upper end of lock 11 are all made of wedge structure, and are slidably matched, and setting in this way is convenient for It realizes the opposite sliding between compact heap 401 and lock 11, assists the unlock and locking of realization device length；

The bottom of lock 11 and the top of lock groove 501 are all made of wedge structure, and are slidably matched, and setting is in this way convenient for real Now opposite sliding between lock 11 and lock groove 501, assists the unlock and locking of realization device length；

Unlock pushes away 4 surfaces of button and is provided with that setting is fluted, and groove surfaces are provided with anti-skid chequer, and setting is in this way convenient for promotion Unlock pushes away button 4, assists the unlock of realization device length.

Using the above structure, it when needing to carry out length adjustment, pushes unlock to push away button 4, overcomes the elastic force of return spring 12, make Unlock pushes away button 4 in the outer Slideslip of lock sleeve 9, and compact heap 401 and lock 11 are detached from this time, push sliding tube 7, make lock 11 from lock It is only detached from inside slot 501, adjusts sliding tube 7 in the elongation of the inside of fixed inner tube 3, after the completion of length adjustment, unclamp solution Lock pushes away button 4, and under the elastic force effect of return spring 12, compact heap 401 sets back, and applies pressure to lock 11, will latch Inside 11 indentation lock grooves 501, the automatically lock of realization device length, while can make to compress using the elastic force of return spring 12 Block 401 always compresses lock 11, can be realized and is locked, and prevents external force from unlock being caused to push away 4 sliding of button, helps to protect The length stability of card device.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power Subject to the protection scope that benefit requires.

Claims (8)

1. a kind of dust catcher conductive gold stretches pipe, including fixed outer tube (1), sliding tube (7), it is characterised in that: the fixed outer tube (1) internal to be equipped with fixed inner tube (3) by lock sleeve (2), the fixed outer tube (1) but it is not provided with open slot (101), institute It states fixed outer tube (1) end to be equipped with lock sleeve (9), the lock sleeve (9) is located at the inner wall of the fixed outer tube (1) and described Between the outer wall of fixed inner tube (3), and the lock sleeve (9) is pierced by the open slot (101)；It is set in the middle part of the lock sleeve (9) It is equipped with through slot (901), lock sleeve (9) internal symmetry is equipped with spring fastening (10), and the spring fastening (10) is shared It two and is symmetrically distributed in described through slot (901) two sides；Unlock, which is slidably fitted with, on the outside of the lock sleeve (9) pushes away button (4), institute It states unlock and pushes away button (4) on the outside of the fixed outer tube (1), and the unlock pushes away button (4) and covers on the lock sleeve (9) outside； Spring fastening (10) side is equipped with return spring (12), the return spring (12) be located at the spring fastening (10) and It is described to unlock between the inner wall for pushing away button (4)；Described to be equipped with lock (11) through slot (901) internal slide, the unlock pushes away button (4) inner top is provided with compact heap (401), and the compact heap (401) is corresponding with the lock (11)；

Sliding tube (7) end is equipped with spring wire protection cap (5) by fixing sleeve (6), described in sliding tube (7) insertion Fixed inner tube (3) are internal, and the spring wire protection cap (5) is inserted between the lock sleeve (9) and the fixed inner tube (3)；Institute It states spring wire protection cap (5) surface to be evenly arranged with lock groove (501), the lock groove (501) and the lock (11) match It closes.

2. a kind of dust catcher conductive gold stretches pipe according to claim 1, it is characterised in that: fixed inner tube (3) the end peace Equipped with limition orientation set (8), the limition orientation set (8) is located at the lock sleeve (9) inside, and the sliding tube (7) penetrates institute State limition orientation set (8).

3. a kind of dust catcher conductive gold stretches pipe according to claim 2, it is characterised in that: limition orientation set (8) upper end Be provided with guide plate (801), spring wire protection cap (5) bottom is provided with guide groove (502), the guide plate (801) with Guide groove (502) clearance fit.

4. a kind of dust catcher conductive gold stretches pipe according to claim 3, it is characterised in that: top in the limition orientation set (8) Portion is provided with limited block (802), and sliding tube (7) upper end is provided with limiting slot (701), the limited block (802) with it is described Limiting slot (701) clearance fit.

5. a kind of dust catcher conductive gold stretches pipe according to claim 1, it is characterised in that: the external dimensions of the lock (11) With it is described equal through the inside dimension of slot (901), and be gap-matched.

6. a kind of dust catcher conductive gold stretches pipe according to claim 5, it is characterised in that: the bottom of the compact heap (401) It is all made of wedge structure with the upper end of the lock (11), and is slidably matched.

7. a kind of dust catcher conductive gold stretches pipe according to claim 6, it is characterised in that: the bottom of the lock (11) and institute The top for stating lock groove (501) is all made of wedge structure, and is slidably matched.

8. a kind of dust catcher conductive gold stretches pipe according to claim 1, it is characterised in that: the unlock pushes away button (4) surface and sets It is fluted to be equipped with setting, and groove surfaces are provided with anti-skid chequer.