CN109681503A - A kind of telescopic rod - Google Patents
A kind of telescopic rod Download PDFInfo
- Publication number
- CN109681503A CN109681503A CN201910111685.XA CN201910111685A CN109681503A CN 109681503 A CN109681503 A CN 109681503A CN 201910111685 A CN201910111685 A CN 201910111685A CN 109681503 A CN109681503 A CN 109681503A
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- CN
- China
- Prior art keywords
- screw rod
- annular
- inner tube
- outer tube
- telescopic rod
- 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.)
- Granted
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- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/10—Telescoping systems
- F16B7/105—Telescoping systems locking in discrete positions, e.g. in extreme extended position
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
This application provides a kind of telescopic rod, including the outer tube to connect together and inner tube, the nut set being articulated on outer tube, the screw rod bushing and locking mechanism being slidably located in inner tube, screw rod bushing is connect with nut external threading；Locking mechanism is arranged on the open end of outer tube, locking mechanism includes the resilient locking arm and several link assemblies of several annular spreads, resilient locking arm is connected by corresponding link assembly with screw rod bushing, nut set rotation driving screw rod bushing is moved along inner tube, and then drive all link assembly movements that the tapered end of all elastic hammerlock is made to be connected together or separate with the corresponding card slot being located on outer wall of inner tube respectively, realize locking or releasing for inner tube.Telescopic rod provided by the present application, the easy to use and sealed place's part of connection is replaceable, long service life.
Description
Technical field
The present invention relates to a kind of telescopic rods.
Background technique
Many occasions all need to use telescopic rod at present, change the length of telescopic rod by different use demands, such as
Photographic goods, self-shooting bar, glass dries, mop handle, clothes support pole etc., and common similar product is usually by different straight of diameter
Pipe sleeve is set, and then by buckle, bolt or screw nut structure, to be fixed after elongation, using buckle or is inserted
The structure of pin usually requires to open multiple holes on inner pipe, thus reduces the rigidity of inner tube, thus inner tube stretch out it is too long when be easy
Be bent or fracture, and buckle structure disagrees replacement, bolt is easily lost, thus will cause it is inconvenient for use, using screw nut
When structure, it will usually screw thread is arranged on pipe, is easy to appear stripped thread after long-time use and causes locking process unstable,
It thus will result in telescopic rod to scrap, waste material.In conclusion it is big, easy to use, service life length how to research and develop a rigidity
Telescopic rod is those skilled in the art's urgent problem.
Summary of the invention
The object of the present invention is to provide a kind of telescopic rods, and solving telescopic rod in the prior art reduces the rigid of inner tube
Degree, locking piece be not easy replacement cause telescopic rod to be easy to scrap, waste of resource the defects of.
In order to solve the above technical problems, the invention provides the following technical scheme:
A kind of telescopic rod, including the outer tube to connect together and inner tube, wherein further include:
The nut set being articulated on the outer tube；
The screw rod bushing being slidably located in said inner tube, the screw rod bushing are connect with the nut external threading；
Locking mechanism, the locking mechanism are arranged on the open end of the outer tube, and the locking mechanism includes several
The resilient locking arm of annular spread and several link assemblies, the resilient locking arm pass through corresponding link assembly and the screw rod bushing
It is connected, the nut set rotation drives the screw rod bushing to move along said inner tube, and then all link assembly movements is driven to make institute
The tapered end of flexible hammerlock is connected together or separates with the corresponding card slot being located on said inner tube outer wall respectively, realizes in described
Pipe locks or release.
Further, the locking mechanism further includes that annular disk and several annulars are fixed at the annular disk outer ring
Elastic snap arm, the resilient locking arm is fixed at the inner ring of the annular disk, and the inner face of the annular disk is pressed on institute
It states on the open end of outer tube, the gib head of the elasticity snap arm engages with the second annular convex shoulder on the periphery for being located at the outer tube
Connection, and the elastic snap arm is cooperatively connected with the deep gouge being located on the second annular convex shoulder outer peripheral surface, the elasticity snap arm
Lateral surface and the screw rod bushing inner wall connect.
Further, the elastic snap arm slopes inwardly setting, and the end of the elastic snap arm is to the outer tube
Inner cavity extends.
Further, the link assembly includes swing rod and drive rod, the both ends of the swing rod respectively with the driving
The axis of the cantilever end pivot joint of one end of bar, the elastic snap arm, the drive rod and said inner tube is parallel to each other, the driving
The other end of bar sequentially passes through the annular disk, end plate and the pin ear on the outer end face of the screw rod bushing of screw rod bushing are pivotally connected
Together.
Further, further include class bearing group on the first annular convex shoulder being arranged on the periphery of the outer tube
Part, the class bearing component are articulated in the nut set removably on the outer tube.
Further, the class bearing component includes the ring being fixed on the outer peripheral surface of the first annular convex shoulder
Shape retainer, several balls and several elastic components being embedded on the outer peripheral surface of the first annular convex shoulder, the annular
The ball is limited between the annular retainer and the first annular convex shoulder by retainer, and the ball is in corresponding bullet
The window being placed through on the annular retainer under the action of property part outwardly protrudes.
Further, the cross section of the elastic component is in M shape, and the two sides of the elastic component are pressed on positioned at described the
On the bottom surface of corresponding groove on the outer peripheral surface of one annular convex shoulder, the ball is embedded the V-arrangement limiting slot in the elastic component
It is interior.
Further, the quantity of the resilient locking arm is two, and 180 ° are differed between two resilient locking arms.
It can be seen from above-mentioned technical proposal the invention has the following advantages:
Due to tapered end be located at outer wall of inner tube on corresponding card slot be connected together or separate, thus do not have on inner pipe into
Row gets through hole, thus keeps the rigidity of inner tube big；
Since nut set, screw rod bushing, locking mechanism are detachable and interchangeable, it is thus possible to carry out part exchanging and extend telescopic rod
Service life；
Screw rod bushing movement is driven due to covering by rotating nuts, and then acts locking mechanism, is easy to operate.
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is top view of the invention.
Fig. 3 is the partial structurtes enlarged diagram of Fig. 1.
Fig. 4 is the structural schematic diagram of locking mechanism of the invention.
Fig. 5 is the structural schematic diagram of class bearing component of the invention.
Fig. 6 is the structural schematic diagram of the elastic component of class bearing component of the invention.
Description of symbols: outer tube 1, first annular convex shoulder 11, the second annular convex shoulder 12, inner tube 2, card slot 21, nut set
3, class bearing component 4, annular retainer 41, ball 42, elastic component 43, V-arrangement limiting slot 431, screw rod bushing 5, pin ear 51, sliding block
52, pin shaft 53, locking mechanism 6, annular disk 61, elastic snap arm 62, gib head 621, resilient locking arm 63, tapered end 631, swing rod 64, drive
Lever 65.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
The application is described further below with reference to Fig. 1 to Fig. 6, a kind of telescopic rod as shown in Figure 1, including is socketed in
Outer tube 1 together and inner tube 2, the nut set 3 being articulated on the outer tube 1, the screw rod bushing 5 in the said inner tube that is slidably located in 2
With locking mechanism 6, the screw rod bushing 5 is threadedly coupled with nut set 3；Opening for the outer tube 1 is arranged in the locking mechanism 6
On mouth end, the locking mechanism 6 is located between the screw rod bushing 5 and nut set 3, wherein on the inner ring of the screw rod bushing 5
Equipped with a pair of of the sliding block 52 being oppositely arranged, the sliding block 52 is matched with the corresponding sliding slot sliding on the outer wall for being located at said inner tube 2
It closes.
As shown in Figure 3 and Figure 4, the locking mechanism 6 is fixed at the annular including annular disk 61, several annulars
The elastic snap arm 62 of 61 outer ring of disk, several annular spreads 61 inner ring of annular disk resilient locking arm 63 and several connecting rods
Component, the inner face of the annular disk 61 are pressed on the open end of the outer tube 1, the gib head 621 of the elasticity snap arm 62
Be located at the outer tube 1 periphery on the second annular convex shoulder 12 be connected together, and the elastic snap arm 62 be located at described the
Deep gouge mating connection on 12 outer peripheral surface of second ring convex shoulder avoids the locking mechanism 6 from rotating, the outside of the elasticity snap arm 62
The inner wall of face and the screw rod bushing 5 contact connectio is de- with second annular convex shoulder 12 after avoiding the elastic snap arm 62 from deforming
From the resilient locking arm 63 is connected by corresponding link assembly with the screw rod bushing 5, described in the 3 rotation driving of nut set
Screw rod bushing 5 is moved along said inner tube 2, and then all link assembly movements is driven to distinguish the tapered end 631 of all elastic hammerlock 63
It is connected together or separates with the corresponding card slot 21 being located on 2 outer wall of said inner tube, realize locking or releasing for said inner tube 2.
Since the locking mechanism 6 cannot rotate, thus the screw rod bushing 5 cannot rotate, and then said inner tube 2 is avoided to rotate, and make institute
It states inner tube 2 and only does sliding motion, since the card slot 21 is not needed through setting, thus the processing in hole is avoided to reduce inner tube 2
Rigidity；It is arranged since the screw rod bushing 5 slides, the locking mechanism 6 engages company with the outer tube 1 by the elastic snap arm 62
It connects, thus the screw rod bushing 5, locking mechanism 6 are detachable and interchangeable, thus telescopic rod integral replacing is avoided, it extends flexible
The service life of bar, economizes on resources.
Preferably, the quantity of the resilient locking arm 63 is two, and 180 ° are differed between two resilient locking arms 63, is made described
2 two sides stress equalization of inner tube.
The setting as shown in figure 3, the elasticity snap arm 62 slopes inwardly, and the end of the elastic snap arm 62 is to the outer tube
1 inner cavity extends, thus keeps locking mechanism 6 compact-sized.
As shown in Figure 2, Figure 3 and Figure 4, the link assembly includes swing rod 64 and drive rod 65, the both ends of the swing rod 64
The cantilever end with one end of the drive rod 65, the elastic snap arm 62 is pivotally connected respectively, the drive rod 65 and said inner tube 2
Axis is parallel to each other, and the other end of the drive rod 65 sequentially passes through the annular disk 61, the end plate of screw rod bushing 5 passes through a pin shaft
53 are articulated with the pin ear 51 on the outer end face of the screw rod bushing 5.Make the screw rod bushing 5 by rotating nuts set 3
It is mobile, and then drive drive rod 65 mobile, the drive rod 65 is mobile to swing the swing rod 64, and then pushes or pull on elasticity
Snap arm 62 deforms, and keeps operating process convenient
As shown in Figure 3 and Figure 5, the telescopic rod further include be arranged in it is first annular convex on the periphery of the outer tube 1
Class bearing component 4 on shoulder 11, the class bearing component 4 are articulated in the nut set 3 removably on the outer tube 1,
Facilitate 3 disassembly of nut set.
As shown in Figure 5 and Figure 6, the class bearing component 4 includes the periphery for being fixed at the first annular convex shoulder 11
Annular retainer 41, several balls 42 on face and several bullets being embedded on the outer peripheral surface of the first annular convex shoulder 11
Property part 43, the ball 42 is limited to the annular retainer 41 and the first annular convex shoulder 11 by the annular retainer 41
Between, the ball 42 is placed through the window convex on the annular retainer 41 under the action of corresponding elastic component 43
Out, wherein the cross section of the elastic component 43 is in M shape, and the two sides of the elastic component 43 are pressed on positioned at described first annular
On the bottom surface of corresponding groove on the outer peripheral surface of convex shoulder 11, the ball 42 is embedded the V-arrangement limiting slot in the elastic component 43
In 431.When installing nut set 3, the nut set 3 is pressed, the nut set 3 pushes the ball 42 to make to contract
The elastic component 43 deforms, and after nut set 3 is installed in place, the ball 42 is outside under the action of elastic component 43
Protrusion, the ball 42 cover the annular groove sliding of 3 inner rings, when needing to remove in nut set 3, drawing spiral shell along the nut is located at
Mother set 3, the nut set 3 pushes the ball 42 to deform the elastic component 43 to contract, after nut set 3 is removed, ball
42 outwardly protrude reset under the action of elastic component 43, make convenient disassembly.
The outer tube 1, inner tube 2 may each be several, to keep the length of telescopic rod bigger.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of telescopic rod, including the outer tube (1) to connect together and inner tube (2), which is characterized in that further include:
The nut set (3) being articulated on the outer tube (1)；
Screw rod bushing (5) in the said inner tube that is slidably located in (2), the screw rod bushing (5) are threadedly coupled with the nut set (3)；
Locking mechanism (6), the locking mechanism (6) are arranged on the open end of the outer tube (1), locking mechanism (6) packet
The resilient locking arm (63) and several link assemblies of several annular spreads are included, the resilient locking arm (63) passes through corresponding connecting rod
Component is connected with the screw rod bushing (5), and nut set (3) rotation drives the screw rod bushing (5) mobile along said inner tube (2),
And then drive the movement of all link assemblies make the tapered ends (631) of all elastic hammerlock (63) respectively be located at said inner tube (2) outside
Corresponding card slot (21) on wall is connected together or separates, and realizes locking or releasing for said inner tube (2).
2. telescopic rod according to claim 1, which is characterized in that the locking mechanism (6) further include annular disk (61) and
Several annulars are fixed at the elastic snap arm (62) of the annular disk (61) outer ring, resilient locking arm (63) fixed setting
The inner face of inner ring in the annular disk (61), the annular disk (61) is pressed on the open end of the outer tube (1), institute
The gib head (621) and the second annular convex shoulder (12) on the periphery for being located at the outer tube (1) for stating elastic snap arm (62) are connected together,
And the elastic snap arm (62) is cooperatively connected with the deep gouge being located on the second annular convex shoulder (12) outer peripheral surface, the elastic card
The lateral surface of arm (62) and the inner wall of the screw rod bushing (5) connect.
3. telescopic rod according to claim 2, which is characterized in that the elasticity snap arm (62), which slopes inwardly, to be arranged, and institute
The end for stating elastic snap arm (62) extends to the inner cavity of the outer tube (1).
4. telescopic rod according to claim 2, which is characterized in that the link assembly includes swing rod (64) and drive rod
(65), the both ends of the swing rod (64) the cantilever end pivot with one end of the drive rod (65), the elastic snap arm (62) respectively
It connects, the drive rod (65) and the axis of said inner tube (2) are parallel to each other, and the other end of the drive rod (65) sequentially passes through institute
State annular disk (61), end plate and the pin ear (51) on the outer end face of the screw rod bushing (5) of screw rod bushing (5) are articulated in one
It rises.
5. telescopic rod according to claim 1, which is characterized in that further include the periphery for being arranged in the outer tube (1)
On first annular convex shoulder (11) on class bearing component (4), the class bearing component (4) keeps the nut set (3) detachable
Ground is articulated on the outer tube (1).
6. telescopic rod according to claim 5, which is characterized in that the class bearing component (4) includes being fixed at institute
It states the annular retainer (41) on the outer peripheral surface of first annular convex shoulder (11), several balls (42) and is embedded in first ring
The ball (42) is limited to by several elastic components (43) on the outer peripheral surface of shape convex shoulder (11), the annular retainer (41)
Between the annular retainer (41) and the first annular convex shoulder (11), the ball (42) is in corresponding elastic component (43)
The window being placed through on the annular retainer (41) under effect outwardly protrudes.
7. telescopic rod according to claim 6, which is characterized in that the cross section of the elastic component (43) is in M shape, the bullet
The two sides of property part (43) are pressed on the bottom surface of the corresponding groove on the outer peripheral surface of the first annular convex shoulder (11),
The ball (42) is embedded in the V-arrangement limiting slot (431) of the elastic component (43).
8. telescopic rod according to claim 1, which is characterized in that the quantity of the resilient locking arm (63) is two, and two
180 ° are differed between a resilient locking arm (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910111685.XA CN109681503B (en) | 2019-02-12 | 2019-02-12 | Telescopic rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910111685.XA CN109681503B (en) | 2019-02-12 | 2019-02-12 | Telescopic rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109681503A true CN109681503A (en) | 2019-04-26 |
| CN109681503B CN109681503B (en) | 2020-10-23 |
Family
ID=66195672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910111685.XA Active CN109681503B (en) | 2019-02-12 | 2019-02-12 | Telescopic rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109681503B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111063654A (en) * | 2019-12-12 | 2020-04-24 | 北京北方华创微电子装备有限公司 | Thimble mechanism and semiconductor processing equipment |
| CN113555661A (en) * | 2021-07-20 | 2021-10-26 | 西安电子科技大学 | Telescopic sleeve locking device and locking and unlocking method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2431430Y (en) * | 2000-07-06 | 2001-05-23 | 郭晶耀 | Implement of telescopic rod structure |
| CN2812676Y (en) * | 2005-07-15 | 2006-09-06 | 李海行 | Furniture rise-and-fall device locking means |
| US20070072460A1 (en) * | 2000-09-03 | 2007-03-29 | Ragnar Stahle | Device for relative fixing of elements telescopically displaced in each other |
| CN201021687Y (en) * | 2007-01-24 | 2008-02-13 | 黄飞 | A flexing pipe structure |
| CN201171513Y (en) * | 2008-03-27 | 2008-12-31 | 李海彪 | Slide bar type compensator |
| CN201184342Y (en) * | 2008-04-09 | 2009-01-21 | 李海彪 | Sliding rod type telescopic machine |
| CN104235131A (en) * | 2013-06-19 | 2014-12-24 | 巴秀宾 | Quick telescopic bar |
| CN107420390A (en) * | 2017-06-19 | 2017-12-01 | 长沙华健医疗设备有限公司 | A kind of expansion link |
| CN206802028U (en) * | 2017-06-19 | 2017-12-26 | 长沙华健医疗设备有限公司 | A kind of expansion link |
| CN107700838A (en) * | 2017-09-28 | 2018-02-16 | 思南县广兴环保建材有限公司 | A kind of post die clamper and its application method |
-
2019
- 2019-02-12 CN CN201910111685.XA patent/CN109681503B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2431430Y (en) * | 2000-07-06 | 2001-05-23 | 郭晶耀 | Implement of telescopic rod structure |
| US20070072460A1 (en) * | 2000-09-03 | 2007-03-29 | Ragnar Stahle | Device for relative fixing of elements telescopically displaced in each other |
| CN2812676Y (en) * | 2005-07-15 | 2006-09-06 | 李海行 | Furniture rise-and-fall device locking means |
| CN201021687Y (en) * | 2007-01-24 | 2008-02-13 | 黄飞 | A flexing pipe structure |
| CN201171513Y (en) * | 2008-03-27 | 2008-12-31 | 李海彪 | Slide bar type compensator |
| CN201184342Y (en) * | 2008-04-09 | 2009-01-21 | 李海彪 | Sliding rod type telescopic machine |
| CN104235131A (en) * | 2013-06-19 | 2014-12-24 | 巴秀宾 | Quick telescopic bar |
| CN107420390A (en) * | 2017-06-19 | 2017-12-01 | 长沙华健医疗设备有限公司 | A kind of expansion link |
| CN206802028U (en) * | 2017-06-19 | 2017-12-26 | 长沙华健医疗设备有限公司 | A kind of expansion link |
| CN107700838A (en) * | 2017-09-28 | 2018-02-16 | 思南县广兴环保建材有限公司 | A kind of post die clamper and its application method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111063654A (en) * | 2019-12-12 | 2020-04-24 | 北京北方华创微电子装备有限公司 | Thimble mechanism and semiconductor processing equipment |
| CN113555661A (en) * | 2021-07-20 | 2021-10-26 | 西安电子科技大学 | Telescopic sleeve locking device and locking and unlocking method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109681503B (en) | 2020-10-23 |
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