CN207750335U - A kind of extension rod - Google Patents
A kind of extension rod Download PDFInfo
- Publication number
- CN207750335U CN207750335U CN201721891087.1U CN201721891087U CN207750335U CN 207750335 U CN207750335 U CN 207750335U CN 201721891087 U CN201721891087 U CN 201721891087U CN 207750335 U CN207750335 U CN 207750335U
- Authority
- CN
- China
- Prior art keywords
- inner tube
- limited block
- outer tube
- tube
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model is related to a kind of telescopic tools, disclose a kind of extension rod, it solves the problems, such as existing inconvenient, a kind of extension rod includes inner tube and outer tube, inner tube is plugged in outer tube and along outer tube upper and lower displacement, said inner tube is plugged on one end in outer tube and is provided with locking member, the locking member includes inserted terminal and fixing end, inserted terminal is connect with inner tube one end, fixing end is arranged with a sleeve on inner tube eccentric setting and outer wall, the opening of upper and lower end face is provided through in sleeve lateral wall, when inner tube is rotated relative to outer tube, sleeve lateral wall is interference fitted with outer tube wall or there are gaps, have the advantages that convenient for user to operating.
Description
Technical field
The utility model is related to a kind of telescopic tool, more particularly to a kind of extension rod.
Background technology
Extension rod is made of the inner tube and outer tube being mutually socketed, and inner tube can be flexible with respect to outer tube, to change entire extend
The length of bar achievees the effect that flexible；One end of inner tube can fill rain brush, mophead etc. it is various use tool；Pass through extension
Bar achievees the effect that change the cleaning range such as rain brush, mophead.
Extension rod in the prior art is generally arranged with a thread bush, outer tube outer wall setting in outer tube and inner tube junction
At larger round table-like of the super smaller other end in inner tube side, it is round table-like on be provided with the external screw thread being threadedly coupled with thread bush, lead to
It crosses thread bush to be tightened on outer tube one end, inclined-plane transmission is generated to outer tube one end, to be made by the abutting to inner tube of outer tube
Firmly, inner tube is limited.It when such mode operates, needs first to regulate inner tube at a distance from outer tube, can go to revolve again
Turn thread bush to limit inner tube, causes user's operation inconvenient.
Utility model content
The purpose of this utility model is to provide a kind of extension rod, has the advantages that user-friendly.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of extension rod, including inner tube and outer tube, inner tube are plugged in outer tube and along outer tube upper and lower displacements, and said inner tube is inserted
It is connected on one end in outer tube and is provided with locking member, the locking member includes inserted terminal and fixing end, inserted terminal and inner tube one end
Connection, fixing end are arranged with a sleeve on inner tube eccentric setting and outer wall, upper and lower end face are provided through in sleeve lateral wall
Opening, when inner tube is rotated relative to outer tube, sleeve lateral wall is interference fitted with outer tube wall or there are gaps.
Further preferably：External screw thread is offered on the fixing end outer wall, sleeve lining offers fixing end screw thread and matches
The internal thread of conjunction.
Further preferably：The inner wall of the outer tube towards inner tube one end is provided with limited block one, and inner tube is in outer tube
One end be provided with limited block two, during inner tube is with respect to outer tube upper and lower displacement, limited block one is abutted with limited block two.
Further preferably：The limited block one offers several limiting slots along its circumference, and the limited block two is along inner tube
Circumference corresponds to limiting slot and is provided with several, and limited block two enters to outer tube wall along limiting slot, is also set on the limited block one
It is equipped with the locating part for closing limiting slot.
Further preferably：The locating part include be opened on limited block one and be connected to limiting slot sliding groove, phase
Sliding groove is slided and is closed the sliding shoe of limiting slot, one end of the sliding shoe relative limit slot is provided with a limit spring,
Limit spring drives sliding shoe to be moved towards sliding groove side.
Further preferably：One is offered on the limited block one to be arranged in parallel along sliding groove direction and one end and sliding groove
The connection other end extends to the driver slot of limited block end face, and drive rod, the drive rod are provided on the sliding shoe side
It is inserted in driver slot and slidably reciprocates along driver slot direction.
Further preferably：The sliding groove is opened up along one circumferencial direction of limited block, is additionally provided with outside limited block one a set of
Annulus block outside inner tube, the annulus block is connect with several drive rods and internal diameter is not less than limiting slot outer diameter.
In conclusion the utility model has the advantages that：
1, it is inserted in outer tube by inner tube, after regulating distance of the inner tube with respect to outer tube, only inner tube need to be driven opposite
Outer tube rotation drives fixing end to rotate synchronously, and under fixing end and inner tube wobbler action, sleeve rotating is driven to make its sleeve side
It is interference fitted with outer tube wall, its inner tube is made to be limited in outer tube, the length of extension rod is adjusted convenient for user；
2, slidably limiting slot is carried out by the limiting slot passed through for limited block two opened up on limited block one closed
Sliding shoe is convenient for the dismounting of inner tube and outer tube；And then by the abutting relation of limited block one and limited block two, its extension rod is made to exist
During use, inner tube can not be detached from outer tube, ensure its normal work.
Description of the drawings
Fig. 1 is the structural schematic diagram of embodiment one, shows overall structure；
Fig. 2 is the enlarged diagram at A in Fig. 1, shows the connection structure of locking member and inner tube；
Fig. 3 is the partial structural diagram of embodiment two, shows the connection structure of limited block one and limited block two；
Fig. 4 is the enlarged diagram at B in Fig. 3, shows the connection structure between sliding shoe and limiting slot.
In figure, 1, outer tube；2, inner tube；3, locking member；31, inserted terminal；32, fixing end；33, sleeve；4, limited block one；5、
Limited block two；6, limiting slot；7, sliding groove；8, sliding shoe；9, drive rod；10, driver slot；11, annulus block；12, limit spring.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment 1：A kind of extension rod, as illustrated in fig. 1 and 2, including inner tube 2 and outer tube 1, inner tube 2 are plugged in outer tube 1 simultaneously
Along 1 upper and lower displacement of outer tube, be provided with locking member 3 on one end that inner tube 2 is plugged in outer tube 1, locking member 3 include inserted terminal 31 with
Fixing end 32, inserted terminal 31 are connect with 2 one end of inner tube, and fixing end 32 is arranged with a sleeve on 2 eccentric setting of inner tube and outer wall
33, the opening of upper and lower end face is provided through on 33 side wall of sleeve；When inner tube 2 is fixed on 1 inside of outer tube, pass through 2 phase of inner tube
To 1 rotation of outer tube, makes it that inserted terminal 31, fixing end 32 and sleeve 33 be driven to rotate synchronously, its 33 side wall of sleeve is made to rotate
It is pushed against in the process with 1 inner wall of outer tube, realizes the limit of inner tube 2 and outer tube 1；When needing to slide inner tube 2, inner tube 2 is reversely turned
It is dynamic, keep its 33 opening side of sleeve and 1 inner wall of outer tube closest, and then make its sleeve 33 and 1 inner wall of outer tube without abutting pass
System, makes its inner tube 2 that can be lifted with respect to outer tube 1.
In the present embodiment, inner tube 2 is set as hollow tube, if inserted terminal 31 is plugged in 2 inside of inner tube and by bolt stem edge
Radial plug of inner tube 2 is threadedly coupled with inserted terminal 31, realizes the connection of inserted terminal 31 and inner tube 2.
In the present embodiment, external screw thread is offered on 32 outer wall of fixing end, 33 inner wall of sleeve offers 32 screw thread of fixing end and matches
The internal thread of conjunction.
In the present embodiment, sleeve 33 is made of elastic material, interior when its 33 outer wall of sleeve being made to be abutted with 1 inner wall of outer tube
Pipe 2 continues that fixing end 32 is driven to rotate, and so that its sleeve 33 is under 32 screw-thread fit active force of fixing end, forms the extruding of bigger
Power is pushed against on 1 inner wall of outer tube.
Embodiment 2：Difference from Example 1 is that as shown in Figures 3 and 4, the inner wall of outer tube 1 towards 2 one end of inner tube is solid
There are limited block 1, one end that inner tube 2 is in outer tube 1 to be fixed with limited block 25, inner tube 2 is with respect to 1 upper and lower displacement of outer tube surely
Cheng Zhong, limited block 1 are abutted with limited block 25, prevent extension rod in use, and inner tube 2 detaches outer tube 1.
Limited block 1 offers several limiting slots 6 along its circumference, and limited block 25 corresponds to limiting slot 6 along 2 circumference of inner tube and sets
Several are equipped with, limited block 25 enters to 1 inner wall of outer tube along limiting slot 6, is additionally provided on limited block 1 and closes limiting slot 6
Locating part.
Locating part include be opened on limited block 1 and be connected to limiting slot 6 sliding groove 7, the sliding of opposite sliding groove 7 and
The sliding shoe 8 of limiting slot 6 is closed, one end of 8 relative limit slot 6 of sliding shoe is provided with a limit spring 12, and limit spring 12 is driven
So that sliding shoe 8 is moved towards 7 side of sliding groove, under the driving effect of limit spring 12, sliding shoe 8 is driven to be constantly in limit
Position slot 6 plays sealing process.
Offered on limited block 1 one be arranged in parallel along 7 direction of sliding groove and one end be connected to sliding groove 7 other end extension
To the driver slot 10 of one 4 end face of limited block, drive rod 9 is provided on 8 side of sliding shoe, drive rod 9 is inserted in driver slot 10
And slidably reciprocate along 10 direction of driver slot, drive sliding shoe 8 to be moved forward and backward along sliding groove 7 by drive rod 9, inner tube easy to disassemble
When 2, sliding shoe 8 is slid into and opens limiting slot 6 in sliding groove 7..
Sliding groove 7 is opened up along one 4 circumferencial direction of limited block, and a circle being sheathed on outside inner tube 2 is additionally provided with outside limited block 1
Ring block 11, annulus block 11 is connect with several drive rods 9 and internal diameter is not less than 6 outer diameter of limiting slot.If by an annulus block 11 with
Dry drive rod 9 connects, and when it being made to rotate annulus block 11, can drive 8 displacement of all sliding shoes, convenient for the user to operate.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as within the protection scope of the present utility model all protected by Patent Law.
Claims (7)
1. a kind of extension rod, including inner tube (2) and outer tube (1), inner tube (2) is plugged in outer tube (1) and the bottom along outer tube (1)
It moves, it is characterized in that：Locking member (3), locking member (3) packet are provided on one end that said inner tube (2) is plugged in outer tube (1)
Inserted terminal (31) and fixing end (32) are included, inserted terminal (31) is connect with inner tube (2) one end, and fixing end (32) is eccentric with inner tube (2)
It is arranged and is arranged with a sleeve (33) on outer wall, the opening of upper and lower end face, inner tube (2) phase is provided through on sleeve (33) side wall
When being rotated to outer tube (1), sleeve (33) side wall is interference fitted with outer tube (1) inner wall or there are gaps.
2. a kind of extension rod according to claim 1, it is characterized in that：Outer spiral shell is offered on fixing end (32) outer wall
Line, sleeve (33) inner wall offer the internal thread of fixing end (32) screw-thread fit.
3. a kind of extension rod according to claim 1, it is characterized in that：Inner wall of the outer tube (1) towards inner tube (2) one end
It is provided with limited block one (4), one end that inner tube (2) is in outer tube (1) is provided with limited block two (5), and inner tube (2) is with respect to outer tube
(1) during upper and lower displacement, limited block one (4) is abutted with limited block two (5).
4. a kind of extension rod according to claim 3, it is characterized in that：The limited block one (4) along its circumference if offer
Dry limiting slot (6), the limited block two (5) correspond to limiting slot (6) along inner tube (2) circumference and are provided with several, limited block two (5)
Outer tube (1) inner wall is entered to along limiting slot (6), the locating part for closing limiting slot (6) is additionally provided on the limited block one (4).
5. a kind of extension rod according to claim 4, it is characterized in that：The locating part includes being opened in limited block one (4)
Sliding groove (7), opposite sliding groove (7) upper and be connected to limiting slot (6) slide and close the sliding shoe (8) of limiting slot (6), institute
The one end for stating sliding shoe (8) relative limit slot (6) is provided with a limit spring (12), and limit spring (12) drives sliding shoe (8)
It is moved towards sliding groove (7) side.
6. a kind of extension rod according to claim 5, it is characterized in that：One is offered on the limited block one (4) along sliding
Slot (7) direction is arranged in parallel and one end is connected to the driver slot that the other end extends to limited block one (4) end face with sliding groove (7)
(10), drive rod (9) is provided on sliding shoe (8) side, the drive rod (9) is inserted in driver slot (10) and along drive
Dynamic slot (10) direction slidably reciprocates.
7. a kind of extension rod according to claim 6, it is characterized in that：The sliding groove (7) is along limited block one (4) circumference side
Be additionally provided with one to opening up, outside limited block one (4) and be sheathed on the annulus block (11) of inner tube (2) outside, the annulus block (11) if with
Dry drive rod (9) connects and internal diameter is not less than limiting slot (6) outer diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721891087.1U CN207750335U (en) | 2017-12-28 | 2017-12-28 | A kind of extension rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721891087.1U CN207750335U (en) | 2017-12-28 | 2017-12-28 | A kind of extension rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207750335U true CN207750335U (en) | 2018-08-21 |
Family
ID=63149738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721891087.1U Expired - Fee Related CN207750335U (en) | 2017-12-28 | 2017-12-28 | A kind of extension rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207750335U (en) |
-
2017
- 2017-12-28 CN CN201721891087.1U patent/CN207750335U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180821 Termination date: 20201228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |