CN108533587A - A kind of expansion bend of multifunctional usage - Google Patents
A kind of expansion bend of multifunctional usage Download PDFInfo
- Publication number
- CN108533587A CN108533587A CN201810529045.6A CN201810529045A CN108533587A CN 108533587 A CN108533587 A CN 108533587A CN 201810529045 A CN201810529045 A CN 201810529045A CN 108533587 A CN108533587 A CN 108533587A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- guide rail
- telescopic rod
- held
- driver blade
- 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
Links
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)
- Ropes Or Cables (AREA)
Abstract
A kind of expansion bend of multifunctional usage, including sleeve is held in the front end that outermost layer is set gradually, middle-end is held sleeve, endsocket and tail portion and fixed；Middle layer is provided with for connecting the middle layer fixes sleeve that sleeve is held in front end and middle-end holds sleeve, middle-end is held sleeve and is moved along middle layer fixes sleeve, sleeve is held positioned at front end, and middle-end holding sleeve inner is provided with front end telescopic rod, middle-end holds sleeve movement and drives the elongation of front end telescopic rod by the transmission device of innermost layer and shrink, front end telescopic rod end is provided with connection screw thread head, it is provided with rack on the telescopic rod of front end, it holds sleeve surface and is provided with button in front end, button is engaging structure with rack contact portion, the present invention has principle simple, deft design, limit stronger feature.
Description
Technical field
The present invention relates to the holding rod technical field of multifunctional usage, more particularly to a kind of expansion bend of multifunctional usage.
Background technology
Currently, the telescopic rod demand of finishing tool industry increasingly increases, with the progress and development of science and technology, people
Requirement to telescopic rod is also higher and higher.Current telescopic rod most of on the market is all sleeve mechanism, passes through inner sleeve bottom
The expanding block in portion, which is realized, to be fixed, or is realized and positioned by limiting card button, simple in structure, but expanding block and limit button usually make
With occurring the phenomenon that stuck or damage in the process, makes the reduced service life of telescopic rod, influence to use.
Invention content
In order to overcome the above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of the flexible of multifunctional usage
Device realizes the stepless displacement of telescopic rod, and bi-directional expansion has principle simple, and deft design limits stronger feature.
To achieve the goals above, the technical solution adopted by the present invention is：
A kind of expansion bend of multifunctional usage, including sleeve 1 is held in the front end that outermost layer is set gradually, middle-end holds sleeve
2, endsocket 3 and tail portion fix 4；Middle layer is provided with for connecting the centre that sleeve 1 is held in front end and middle-end holds sleeve 2
Layer fixes sleeve 9, middle-end are held sleeve 2 and are moved along middle layer fixes sleeve 9 with endsocket 3, are located at front end and hold set
Cylinder 1 holds sleeve 2 with middle-end and is internally provided with front end telescopic rod 8, and middle-end holds the transmission device that the movement of sleeve 2 passes through innermost layer
It drives the elongation of front end telescopic rod 8 and shrinks, 8 end set of front end telescopic rod has connection screw thread head 5, front end telescopic rod 8
On be provided with rack 7, the front end holds 1 surface of sleeve and is provided with button 6, and button 6 engages knot with 7 contact portion of rack
Structure.
The transmission device includes being arranged to fix the fixes sleeve 13 inside 4 and the biography inside endsocket 3 in tail portion
Movable plate 11, the fixes sleeve 9 is used to support the Left Drive piece guide rail sleeve 10 of fixed innermost layer setting and right driver blade is led
Sleeve 1 is held in rail sleeve 22 and front end, and positioning is provided on Left Drive piece guide rail sleeve 10 and right driver blade guide rail sleeve 22
Sliding block 12, driver blade 11 are connected by positioning sliding block 12 with 18 one end of steel wire rope, and 18 other end of steel wire rope is connected to positioned at front end
In the fixes sleeve 14 of 8 tail portion of telescopic rod.
The telescopic rod 8 is recessed the lower notches of certain depth formation in top and the bottom respectively, and upper slot will limit rack 7
In being fixed on, lower slot is the stroke guide rail of left bearing connecting rod 16 and right bearing connecting rod 17, left bearing connecting rod 16 and right axle
It holds 17 one end of connecting rod and is fixed on Left Drive piece guide rail sleeve 10 and right 22 front end of driver blade guide rail sleeve, left bearing connecting rod 16
It is used to support the second bearing 19 inside front end holding sleeve 1 with 17 other end of right bearing connecting rod, is located at 8 end of front end telescopic rod
End is provided with steel wire rope fixed cover cylinder 14.
Hold the positive stop lug boss that sleeve 1 is internally provided with 9 movement of limitation middle layer fixes sleeve in the front end.
The front end telescopic rod 8 is round empty barrel structure.
The Left Drive piece guide rail sleeve 10 and right driver blade guide rail sleeve 22 are sliceable circular sleeve, circle set
Cylinder is internally provided with hollow out guide rail, and 11 front end of driver blade is fixed on Left Drive piece guide rail sleeve 10 by positioning sliding block 12
In the hollow out guide rail of right driver blade guide rail sleeve 22.
It is sliceable left-hand seat hold set cylinder and assistant's hold set cylinder 15 that sleeve 1 is held in the front end.
The button 6 is spring button, and 6 front end tooth-shape structure of button is engaged with rack 7.Rear end spring structure is in normality
Lower maintenance front end engagement, switchs after it is compressed and opens.
The sliceable cross section of the left bearing connecting rod 16 and right bearing connecting rod 17 is rectangular bar.
Beneficial effects of the present invention：
The principle of the invention is simple, by the way that steel wire rope to be fixed on to the innermost layer and outermost layer of three layers of nested bar, passes through steel
Cord is driven, and the penetralia of bar and most external are extended to negative direction respectively, realize the stretching of bar.The invention passes through inner shaft
The engagement of tooth-shape structure, realizes the stepless retractable of telescopic rod on rack and external springs button.The thread head of the telescopic rod front end
Any required flexible tool can be connected, application is very extensive.
Description of the drawings
Fig. 1 is the design sketch that telescopic rod shortens state.
Fig. 2 is the design sketch of telescopic rod elongation state.
Fig. 3 is the sectional view of telescopic rod elongation state.
Fig. 4 is the explosive view of telescopic rod.
Specific implementation mode
Invention is further described in detail below in conjunction with the accompanying drawings.
As shown in Fig. 1 Fig. 3：A kind of expansion bend of multifunctional usage is designed as three layers of tube-in-tube structure, including outermost layer is successively
Sleeve 1 is held in the front end of setting, middle-end holds sleeve 2, endsocket 3 and tail portion and fixes 4, and 1 table of sleeve is held in the front end
Face is provided with button 6；Middle layer is provided with middle layer fixes sleeve 9, is used to support fixed innermost layer Left Drive piece guide rail sleeve
10 and right driver blade guide rail sleeve 22 and outermost layer front end hold sleeve 1；Innermost layer is provided with telescopic rod 8 and Left Drive piece guide rail
Sleeve 10 and right driver blade guide rail sleeve 22, the Left Drive piece guide rail sleeve 10 and right driver blade guide rail sleeve 22 be in order to
It is easy for installation and dismantling, it is circular sleeve after installation, 8 end set of telescopic rod has connection screw thread head 5, screw thread to connect
Connector 5 can connect the various finishing tools for needing to stretch.Sleeve 1 is held for the ease of mounting and dismounting into left-hand seat in the front end
Hold set cylinder and 15 two parts of assistant's hold set cylinder are that sleeve 1 is held in front end after installation.
As shown in Figure 2：The front end holds sleeve 1 and is internally provided with front end telescopic rod 8 with middle-end holding sleeve 2, preceding
It is provided with rack 7 on the telescopic rod 8 of end, button 6 is designed to that spring button, 6 interior forward end of button are designed to the tooth engaged with rack 7
Shape structure, normal condition lower button 6 engage under spring force effect with rack 7, realize fixation of the telescopic rod in some position,
By lower button 6,6 tail springs of button are compressed, and 6 interior forward end rack of button and rack 7 no longer engage, and telescopic rod can freely be stretched
Long or shortening.After telescopic rod is stretched to target length, release button 6,6 interior forward end rack of button and rack 7 engage again,
Telescopic rod is fixed.
As shown in Figure 4：Slot and lower slot are provided on the front end telescopic rod 8, front end telescopic rod 8 is round empty cylinder difference
It is recessed the lower notches of certain depth formation in top and the bottom, upper slot will limit in rack 7 is fixed on, and lower slot is left bearing connection
The stroke guide rail of bar 16 and right bearing connecting rod 17 is provided with steel wire rope fixed cover cylinder 14 positioned at 8 end of front end telescopic rod.
The Left Drive piece guide rail sleeve 10 and right driver blade guide rail sleeve 22 is to install first in inner tail end
Bearing 20 and be designed in interior forward end installation left bearing connecting rod 16 and right bearing connecting rod 17 it is two-part, by first axle
Hold 20 and bearing connecting rod 16 and 17 be mounted on driver blade guide rail sleeve 10, behind 22 front end inside, by Left Drive piece guide rail sleeve
10 and right driver blade guide rail sleeve 22 be installed together as round hollow out sleeve, the left bearing connecting rod 16 and right bearing
Connecting rod 17 is in order to facilitate the installation of and splits into two-part, and left bearing connecting rod 16 and right bearing connecting rod 17 are mounted on one
Rise after for cross section be rectangular bar.The second bearing 19 is mounted on left bearing connecting rod 16 and right bearing connecting rod 17
Other end.
11 front end of driver blade is located at Left Drive piece guide rail sleeve 10 and right driver blade guide rail by positioning sliding block 12
In the hollow out guide rail of sleeve 22,11 rear end of driver blade is fixedly connected with fixes sleeve 13, and tail portion fixes 4 by fixes sleeve 13 and end
End cap cylinder 3 is fixedly connected, and middle-end is held sleeve 2 and is fixed on endsocket 3.
The middle layer fixes sleeve 9 is mounted on front end telescopic rod 8 and Left Drive piece guide rail sleeve 10 and right driver blade
The outer layer of guide rail sleeve 22, the front end of middle layer fixes sleeve 9 hold the positive stop lug boss inside sleeve 1 by outermost front end
Limit, the rear end of middle layer fixes sleeve 9 passes through end fixes sleeve 21 and innermost layer Left Drive piece guide rail sleeve 10 and right biography
Movable plate guide rail sleeve 22 is fixed.
The bearing 19 for being fixed on 8 times front of the slot of front end telescopic rod is fixed on Left Drive piece guide rail sleeve 10 and the right side
The first bearing 20 of 22 inner tail end of driver blade guide rail sleeve, 18 one end of steel wire rope is fixed on steel wire rope fixed cover cylinder 14, another
End bypasses bearing 20, is fixed steel wire rope 18 and driver blade 11 by the positioning sliding block 12 of fixed conveyor piece front end, before excessively
The second bearing 19 at end is finally fixed on 18 fixes sleeve of steel wire rope, 14 end.
The operation principle of the present invention：
Under normal condition, telescopic rod by 6 tail springs of button make button 6 under the effect of elasticity front end tooth-shape structure with before
The rack 7 on telescopic rod 8 is held to engage, telescopic rod is in stationary state；
When carrying out flexible, both hands are individually placed to front end left-hand seat hold set cylinder and hold sleeve with assistant's hold set cylinder 15 and middle-end
2, by lower button 6,6 front end rack of button is made no longer to be engaged with the rack 7 on front end telescopic rod 8, telescopic rod, which is in, freely to be stretched
State.Both hands stretch telescopic rod, and middle-end holds sleeve 2 and endsocket 3 connected to it, tail portion is driven to fix 4, fixed conveyor piece
The fixes sleeve 13 and driver blade 11 of end stretch backward, and driver blade 11 drives steel wire rope connected to it by positioning sliding block 12
18 stretch backward, and steel wire rope 18 passes through mounted on Left Drive piece guide rail sleeve 10 and right 22 inner tail end of driver blade guide rail sleeve
It first bearing 20 and is driven mounted on the second bearing 19 of 8 times front of the slot of front end telescopic rod, pulls steel wire rope fixed cover cylinder 14, from
And front end telescopic rod 8 is made to extend forward so that the cleaning appliance being connected with threaded connector 5 is extended, length according to demand
Fixed button 6 is spent, telescopic rod is made to be fixed to required length.
Claims (9)
1. a kind of expansion bend of multifunctional usage, which is characterized in that the front end set gradually including outermost layer hold sleeve (1),
Middle-end is held sleeve (2), endsocket (3) and tail portion and is fixed (4)；Middle layer is provided with holds sleeve (1) for connecting front end
The middle layer fixes sleeve (9) of sleeve (2) is held with middle-end, middle-end is held sleeve (2) and moved along middle layer fixes sleeve (9)
It is dynamic, it is located at front end holding sleeve (1) and is internally provided with front end telescopic rod (8) with middle-end holding sleeve (2), middle-end holds sleeve
(2) the mobile transmission device by innermost layer drives front end telescopic rod (8) to extend and shrink, the front end telescopic rod (8) end
Portion is provided with connection screw thread head (5), and rack (7) is provided on front end telescopic rod (8), and sleeve (1) surface is held in the front end
It is provided with button (6), button (6) is engaging structure with rack (7) contact portion.
2. a kind of expansion bend of multifunctional usage according to claim 1, which is characterized in that the transmission device includes
It is arranged and fixes the driver blade (11) of (4) internal fixes sleeve (13) and endsocket (3) inside, the fixing sleeve in tail portion
Cylinder (9) is used to support Left Drive piece guide rail sleeve (10) and the right driver blade guide rail sleeve (22) and preceding of fixed innermost layer setting
Sleeve (1) is held at end, and positioning sliding block (12) is provided on Left Drive piece guide rail sleeve (10) and right driver blade guide rail sleeve (22),
Driver blade (11) is connected by positioning sliding block (12) with steel wire rope (18) one end, and steel wire rope (18) other end is connected to positioned at front end
It holds in the internal fixes sleeve (14) of sleeve (1).
3. a kind of expansion bend of multifunctional usage according to claim 2, which is characterized in that the Left Drive piece guide rail
Sleeve (10) and right driver blade guide rail sleeve (22) are sliceable circular sleeve, and circular sleeve is internally provided with hollow out guide rail,
Driver blade (11) front end is fixed on Left Drive piece guide rail sleeve (10) and right driver blade guide rail by positioning sliding block (12)
In the hollow out guide rail of sleeve (22).
4. a kind of expansion bend of multifunctional usage according to claim 2, which is characterized in that the front end telescopic rod
(8) respectively top and the bottom be recessed certain depth formation lower notches, upper slot will limit rack (7) be fixed in, lower slot is
The stroke guide rail of left bearing connecting rod (16) and right bearing connecting rod (17), left bearing connecting rod (16) and right bearing connecting rod
(17) one end is fixed on Left Drive piece guide rail sleeve (10) and right driver blade guide rail sleeve (22) front end, left bearing connecting rod (16)
It is used to support front end with right bearing connecting rod (17) other end and holds the internal second bearing (19) of sleeve (1), is stretched positioned at front end
Contracting bar (8) end is provided with steel wire rope fixed cover cylinder (14).
5. a kind of expansion bend of multifunctional usage according to claim 4, which is characterized in that the left bearing connecting rod
16 and right bearing connecting rod 17 sliceable cross section be rectangular bar.
6. a kind of expansion bend of multifunctional usage according to claim 1, which is characterized in that hold sleeve in the front end
(1) it is internally provided with the mobile positive stop lug boss of limitation middle layer fixes sleeve (9).
7. a kind of expansion bend of multifunctional usage according to claim 1, which is characterized in that the front end telescopic rod
(8) it is round empty barrel structure.
8. a kind of expansion bend of multifunctional usage according to claim 1, which is characterized in that hold sleeve in the front end
(1) it is sliceable left-hand seat hold set cylinder and assistant's hold set cylinder (15).
9. a kind of expansion bend of multifunctional usage according to claim 1, which is characterized in that the button (6) is bullet
The spring structure of spring button, button (6) is engaged with rack (7).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810529045.6A CN108533587B (en) | 2018-05-29 | 2018-05-29 | Multifunctional telescopic device |
| US16/425,830 US11383371B2 (en) | 2018-05-29 | 2019-05-29 | Multi-functional telescopic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810529045.6A CN108533587B (en) | 2018-05-29 | 2018-05-29 | Multifunctional telescopic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108533587A true CN108533587A (en) | 2018-09-14 |
| CN108533587B CN108533587B (en) | 2023-07-07 |
Family
ID=63472887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810529045.6A Active CN108533587B (en) | 2018-05-29 | 2018-05-29 | Multifunctional telescopic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108533587B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112056256A (en) * | 2020-10-12 | 2020-12-11 | 山东民瑞中药饮片有限公司 | Convenient leech seedling culture net cage of adjusting temperature |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112056256A (en) * | 2020-10-12 | 2020-12-11 | 山东民瑞中药饮片有限公司 | Convenient leech seedling culture net cage of adjusting temperature |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108533587B (en) | 2023-07-07 |
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