CN108533587B - Multifunctional telescopic device - Google Patents
Multifunctional telescopic device Download PDFInfo
- Publication number
- CN108533587B CN108533587B CN201810529045.6A CN201810529045A CN108533587B CN 108533587 B CN108533587 B CN 108533587B CN 201810529045 A CN201810529045 A CN 201810529045A CN 108533587 B CN108533587 B CN 108533587B
- Authority
- CN
- China
- Prior art keywords
- sleeve
- guide rail
- fixed
- connecting rod
- holding sleeve
- 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.)
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Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 56
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
Images
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
Abstract
A multifunctional telescopic device comprises a front-end holding sleeve, a middle-end holding sleeve, a tail-end sleeve and a tail part which are sequentially arranged on the outermost layer; the middle-end holding sleeve is arranged in the middle-end holding sleeve and is used for connecting the front-end holding sleeve and the middle-end holding sleeve, the middle-end holding sleeve moves along the middle-end holding sleeve, a front-end telescopic rod is arranged in the front-end holding sleeve and the middle-end holding sleeve, the middle-end holding sleeve moves through a transmission device of the innermost layer to drive the front-end telescopic rod to stretch and shrink, the end part of the front-end telescopic rod is provided with a connecting threaded head, a rack is arranged on the front-end telescopic rod, a button is arranged on the surface of the front-end holding sleeve, and the contact part of the button and the rack is of a meshing structure.
Description
Technical Field
The invention relates to the technical field of multifunctional handheld rods, in particular to a multifunctional telescopic device.
Background
At present, the demand of the telescopic rod in the decoration tool industry is increasing, and along with the progress and development of scientific technology, the requirement of people on the telescopic rod is also increasing. Most telescopic links on the market at present are sleeve mechanism, realize fixing through the expansion block of inside sleeve bottom, perhaps realize the location through spacing block button, simple structure, but expansion block and limit button often appear the dead or phenomenon of damaging in the use, make the life of telescopic link shorten, influence the use.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the multifunctional telescopic device which realizes stepless displacement of the telescopic rod and bidirectional telescopic and has the characteristics of simple principle, exquisite design and more firm limit.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a multifunctional telescopic device comprises a front-end holding sleeve 1, a middle-end holding sleeve 2, a tail end sleeve 3 and a tail fixing 4 which are sequentially arranged on the outermost layer; intermediate level is provided with the intermediate level fixed sleeve 9 that is used for connecting front end to hold sleeve 1 and middle-end to hold sleeve 2, and middle-end holds sleeve 2 and terminal sleeve 3 and remove along intermediate level fixed sleeve 9, is located front end and holds sleeve 1 and inside front end telescopic link 8 that is provided with of middle-end to hold sleeve 2, and middle-end holds sleeve 2 and remove and drive front end telescopic link 8 extension and shrink through the transmission of the innermost layer, front end telescopic link 8 tip be provided with connection screw thread head 5, be provided with rack 7 on the front end telescopic link 8, front end hold sleeve 1 surface be provided with button 6, button 6 and rack 7 contact part are the meshing structure.
The transmission device comprises a fixing sleeve 13 arranged in the tail fixing 4 and a transmission piece 11 arranged in the tail sleeve 3, wherein the fixing sleeve 9 is used for supporting and fixing a left transmission piece guide rail sleeve 10 and a right transmission piece guide rail sleeve 22 which are arranged at the innermost layer and a front-end holding sleeve 1, positioning sliding blocks 12 are arranged on the left transmission piece guide rail sleeve 10 and the right transmission piece guide rail sleeve 22, the transmission piece 11 is connected with one end of a steel wire rope 18 through the positioning sliding blocks 12, and the other end of the steel wire rope 18 is connected to a fixing sleeve 14 positioned at the tail of a front-end telescopic rod 8.
The telescopic rod 8 is respectively provided with an upper groove and a lower groove which are formed by recessing a certain depth in the upper part and the lower part, the upper groove is used for fixing the limiting rack 7, the lower groove is a travel guide rail of the left bearing connecting rod 16 and the right bearing connecting rod 17, one ends of the left bearing connecting rod 16 and the right bearing connecting rod 17 are fixed at the front ends of the left transmission sheet guide rail sleeve 10 and the right transmission sheet guide rail sleeve 22, the other ends of the left bearing connecting rod 16 and the right bearing connecting rod 17 are used for supporting a second bearing 19 in the front end holding sleeve 1, and a steel wire rope fixing sleeve 14 is arranged at the tail end of the front end telescopic rod 8.
The front-end holding sleeve 1 is internally provided with a limiting boss for limiting the movement of the middle-layer fixing sleeve 9.
The front end telescopic rod 8 is of a round hollow cylinder structure.
The left transmission sheet guide rail sleeve 10 and the right transmission sheet guide rail sleeve 22 are circular sleeves which can be spliced, hollow guide rails are arranged in the circular sleeves, and the front ends of the transmission sheets 11 are fixed in the hollow guide rails of the left transmission sheet guide rail sleeve 10 and the right transmission sheet guide rail sleeve 22 through the positioning sliding blocks 12.
The front-end holding sleeve 1 is an upper holding sleeve and a lower holding sleeve 15 which can be spliced.
The button 6 is a spring button, and the tooth-shaped structure at the front end of the button 6 is meshed with the rack 7. The rear spring structure normally maintains the front engaged, and when compressed, the switch opens.
The cross section of the left bearing connecting rod 16 and the right bearing connecting rod 17 which can be spliced is a rectangular rod.
The invention has the beneficial effects that:
the invention has simple principle, and the steel wire rope is fixed on the innermost layer and the outermost layer of the three-layer nested rod, and the innermost layer and the outermost layer of the rod are respectively stretched in opposite directions through the transmission of the steel wire rope, so that the stretching of the rod is realized. The invention realizes stepless extension of the telescopic rod through the engagement of the toothed structure on the rack of the inner rod and the external spring button. The screw thread head at the front end of the telescopic rod can be connected with any tool needing to be telescopic, and the telescopic rod is very wide in application.
Drawings
Fig. 1 is an effect diagram of a shortened state of the telescopic link.
Fig. 2 is an effect diagram of the extension state of the telescopic rod.
Fig. 3 is a cross-sectional view of the telescopic rod in an extended state.
Fig. 4 is an exploded view of the telescopic rod.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1 and 3: the multifunctional telescopic device is designed into a three-layer sleeve structure, and comprises a front-end handheld sleeve 1, a middle-end handheld sleeve 2, an end sleeve 3 and a tail fixing 4 which are sequentially arranged on the outermost layer, wherein a button 6 is arranged on the surface of the front-end handheld sleeve 1; the middle layer is provided with a middle layer fixing sleeve 9 for supporting and fixing the left transmission sheet guide rail sleeve 10 and the right transmission sheet guide rail sleeve 22 of the innermost layer and the holding sleeve 1 at the front end of the outermost layer; the inner layer is provided with telescopic link 8 and left drive piece guide rail sleeve 10 and right drive piece guide rail sleeve 22, left drive piece guide rail sleeve 10 and right drive piece guide rail sleeve 22 be for simple to operate and disassemble, be circular sleeve after the installation, telescopic link 8 tip be provided with connection screw thread head 5, screw thread connector 5 can connect various fitment instruments that need stretch out and draw back. The front-end holding sleeve 1 is conveniently assembled and disassembled into an upper holding sleeve and a lower holding sleeve 15, and the front-end holding sleeve 1 is just after being assembled.
As shown in fig. 2: the front end hold sleeve 1 and middle-end hold sleeve 2 inside be provided with front end telescopic link 8, be provided with rack 7 on the front end telescopic link 8, button 6 designs into spring button, button 6 inside front end design become with rack 7 engaged tooth profile structure, button 6 under the spring force effect with rack 7 meshing under the normal condition, realize the telescopic link fixed in a certain position, press button 6, button 6 afterbody spring is compressed, button 6 inside front end rack and rack 7 no longer mesh, the telescopic link can freely lengthen or shorten. When the telescopic rod is stretched to the target length, the button 6 is loosened, the rack 7 at the front end inside the button 6 is meshed again, and the telescopic rod is fixed.
As shown in fig. 4: the front end telescopic rod 8 on open and have upper groove and lower groove, front end telescopic rod 8 is the upper and lower recess that the round hollow section of thick bamboo was concave into certain degree of depth formation respectively in upper and lower part, upper groove is fixed spacing rack 7 inside, the lower groove is left bearing connecting rod 16 and right bearing connecting rod 17's stroke guide rail, is located front end telescopic rod 8 end and is provided with wire rope fixed sleeve 14.
The left transmission piece guide rail sleeve 10 and the right transmission piece guide rail sleeve 22 are designed into two parts for installing the first bearing 20 at the inner tail end and installing the left bearing connecting rod 16 and the right bearing connecting rod 17 at the inner front end, after the first bearing 20 and the bearing connecting rods 16 and 17 are installed inside the front ends of the transmission piece guide rail sleeves 10 and 22, the left transmission piece guide rail sleeve 10 and the right transmission piece guide rail sleeve 22 are installed together to form a circular hollow sleeve, the left bearing connecting rod 16 and the right bearing connecting rod 17 are split into two parts for convenient installation, and the left bearing connecting rod 16 and the right bearing connecting rod 17 are installed together to form a rod with a rectangular cross section. The second bearing 19 is mounted at the other end of the left and right bearing connecting rods 16 and 17.
The front end of the transmission piece 11 is positioned in the hollowed guide rails of the left transmission piece guide rail sleeve 10 and the right transmission piece guide rail sleeve 22 through the positioning slide block 12, the rear end of the transmission piece 11 is fixedly connected with the fixing sleeve 13, the tail fixing 4 is fixedly connected with the fixing sleeve 13 and the tail end sleeve 3, and the middle-end handheld sleeve 2 is fixed on the tail end sleeve 3.
The middle layer fixing sleeve 9 is arranged on the outer layers of the front end telescopic rod 8, the left transmission piece guide rail sleeve 10 and the right transmission piece guide rail sleeve 22, the front end of the middle layer fixing sleeve 9 is limited by a limiting boss inside the front end holding sleeve 1 on the outermost layer, and the rear end of the middle layer fixing sleeve 9 is fixed with the left transmission piece guide rail sleeve 10 and the right transmission piece guide rail sleeve 22 on the innermost layer through the tail end fixing sleeve 21.
The bearing 19 fixed at the front end of the lower groove of the front end telescopic rod 8 is a first bearing 20 fixed at the inner tail ends of the left transmission sheet guide rail sleeve 10 and the right transmission sheet guide rail sleeve 22, one end of the steel wire rope 18 is fixed on the steel wire rope fixing sleeve 14, the other end bypasses the bearing 20, the steel wire rope 18 and the transmission sheet 11 are fixed through the positioning sliding block 12 fixed at the front end of the transmission sheet, the second bearing 19 at the front end is bypassed, and finally the steel wire rope 18 is fixed at the tail end of the steel wire rope 18 fixing sleeve 14.
The working principle of the invention is as follows:
under the normal state, the telescopic rod enables the front-end tooth-shaped structure of the button 6 to be meshed with the rack 7 on the front-end telescopic rod 8 under the action of elasticity through the tail spring of the button 6, and the telescopic rod is in a fixed state;
when the telescopic handle is required to be telescopic, two hands are respectively placed on the upper hand holding sleeve and the lower hand holding sleeve 15 at the front end and the middle hand holding sleeve 2, the button 6 is pressed down, so that the rack 7 on the front end of the button 6 and the rack 7 on the front telescopic rod 8 are not meshed any more, and the telescopic rod is in a free telescopic state. The middle end of the telescopic rod is stretched by hands, the middle end of the telescopic rod is held by hands, the sleeve 2 drives the tail end sleeve 3, the tail part is fixed 4, the fixed sleeve 13 and the transmission sheet 11 which are connected with the tail end of the fixed transmission sheet are stretched backwards, the transmission sheet 11 drives the steel wire rope 18 connected with the transmission sheet to be stretched backwards through the positioning sliding block 12, the steel wire rope 18 is driven by a first bearing 20 arranged at the tail end inside the left transmission sheet guide rail sleeve 10 and the right transmission sheet guide rail sleeve 22 and a second bearing 19 arranged at the front end of the lower groove of the front end telescopic rod 8, and the steel wire rope fixed sleeve 14 is pulled, so that the front end telescopic rod 8 is stretched forwards, a cleaning tool connected with the threaded connector 5 is stretched, and the telescopic rod is fixed to a required length according to a required length fixing button 6.
Claims (6)
1. The multifunctional telescopic device is characterized by comprising a front-end handheld sleeve (1), a middle-end handheld sleeve (2), a tail-end sleeve (3) and a tail fixing (4) which are sequentially arranged on the outermost layer; the middle layer is provided with a middle layer fixing sleeve (9) for connecting the front end holding sleeve (1) and the middle end holding sleeve (2), the middle end holding sleeve (2) moves along the middle layer fixing sleeve (9), a front end telescopic rod (8) is arranged inside the front end holding sleeve (1) and the middle end holding sleeve (2), the middle end holding sleeve (2) moves to drive the front end telescopic rod (8) to stretch and shrink through a transmission device of the innermost layer, the end part of the front end telescopic rod (8) is provided with a connecting thread head (5), a rack (7) is arranged on the front end telescopic rod (8), a button (6) is arranged on the surface of the front end holding sleeve (1), and a contact part of the button (6) and the rack (7) is of a meshing structure;
the transmission device comprises a fixed sleeve (13) arranged in the tail part fixed (4) and a transmission piece (11) arranged in the tail end sleeve (3), wherein the middle layer fixed sleeve (9) is used for supporting and fixing a left transmission piece guide rail sleeve (10) and a right transmission piece guide rail sleeve (22) which are arranged at the innermost layer and a front end holding sleeve (1), positioning sliding blocks (12) are arranged on the left transmission piece guide rail sleeve (10) and the right transmission piece guide rail sleeve (22), one end of a steel wire rope (18) is fixed on the steel wire rope fixed sleeve (14), the other end bypasses a first bearing (20), the steel wire rope (18) is fixed with the transmission piece (11) through the positioning sliding blocks (12) at the front end of the fixed transmission piece, and then bypasses a second bearing (19) at the front end and is finally fixed at the tail end of the steel wire rope fixed sleeve (14);
the left transmission sheet guide rail sleeve (10) and the right transmission sheet guide rail sleeve (22) are circular sleeves which can be spliced, hollow guide rails are arranged in the circular sleeves, and the front ends of the transmission sheets (11) are fixed in the hollow guide rails of the left transmission sheet guide rail sleeve (10) and the right transmission sheet guide rail sleeve (22) through positioning sliding blocks (12);
the front end telescopic link (8) be in last lower recess that the upper and lower part concave yield was formed by certain degree of depth respectively, go up the groove and fix spacing rack (7) including, the lower groove is left bearing connecting rod (16) and the stroke guide rail of right bearing connecting rod (17), left bearing connecting rod (16) and right bearing connecting rod (17) one end are fixed in left drive piece guide rail sleeve (10) and right drive piece guide rail sleeve (22) front end, left bearing connecting rod (16) and right bearing connecting rod (17) other end are used for supporting front end and hold sleeve (1) inside second bearing (19), be located front end telescopic link (8) end and be provided with wire rope fixed sleeve (14).
2. A multi-purpose telescopic device according to claim 1, wherein the joinable cross section of the left bearing connecting rod (16) and the right bearing connecting rod (17) is rectangular.
3. The multifunctional telescopic device according to claim 1, wherein a limiting boss for limiting the movement of the middle layer fixing sleeve (9) is arranged in the front end holding sleeve (1).
4. The multifunctional telescopic device according to claim 1, wherein the front telescopic rod (8) is of a circular hollow cylinder structure.
5. The multifunctional telescopic device according to claim 1, wherein the front-end grip sleeve (1) is a spliced upper grip sleeve and lower grip sleeve (15).
6. A multi-purpose telescopic device according to claim 1, wherein the push button (6) is a spring push button, the spring structure of the push button (6) being engaged with the 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 CN108533587A (en) | 2018-09-14 |
| CN108533587B true 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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112056256B (en) * | 2020-10-12 | 2022-03-22 | 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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|---|---|
| CN108533587A (en) | 2018-09-14 |
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