CN110259782A - A kind of multistage retractable rod - Google Patents
A kind of multistage retractable rod Download PDFInfo
- Publication number
- CN110259782A CN110259782A CN201910540590.XA CN201910540590A CN110259782A CN 110259782 A CN110259782 A CN 110259782A CN 201910540590 A CN201910540590 A CN 201910540590A CN 110259782 A CN110259782 A CN 110259782A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- sliding seat
- idler wheel
- slide bar
- mounting portion
- 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.)
- Pending
Links
- 238000009434 installation Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The present invention is suitable for stretching structure field, provides a kind of multistage retractable rod, the sliding seat of cylinder and at least two sizes including at least two sizes.Wherein, the matched sliding seat of size and a lesser cylinder of size are each equipped in larger-size cylinder；Also, the sliding seat being located in larger cylindrical is fixedly connected with the lesser cylinder of size.On the inner wall of each cylinder, several slide bars being spaced apart are fixed with along its circumferential direction, idler wheel is installed at least two opposite sides on each sliding seat, idler wheel and the slide bar on the outside of it roll and cooperate, and idler wheel can be rolled along slide bar.Multi-stage expansion structure of the invention has a body-sensing using the structure of telescopic arm set telescopic arm, and product appearance structure is beautiful, and occupied space is smaller.Also, while realizing longer stroke, when can effectively solve the long arm of force, shake and the problem of beat.
Description
Technical field
The invention belongs to stretching structure field more particularly to a kind of multistage retractable rods.
Background technique
There are strict demand, and movement travel and bigger occasion in limited space and to appearance, using multi-stage expansion
Structure is optimal selection, does the structure of multi-stage expansion at present, substantially does the structure of external stack, such movement row
Journey is to reach, but appearance is unsightly, and without a body-sensing, and space hold is bigger, is not suitable for the field of limited space
It closes.
Summary of the invention
The purpose of the present invention is to provide a kind of multistage retractable rods, it is intended to solve multi-stage expansion structure institute in the prior art
Existing appearance unsightly, and occupy larger space the problem of.
The invention is realized in this way a kind of multistage retractable rod, the cylinder including at least two sizes and at least two
The sliding seat of size, wherein the matched sliding seat of size and a ruler are each equipped in larger-size cylinder
Very little lesser cylinder；Also, the sliding seat being located in the larger cylindrical is fixedly connected with the lesser cylinder of the size；
On the inner wall of each cylinder, several slide bars being spaced apart are fixed with along its circumferential direction, on each sliding seat
Idler wheel is installed, the idler wheel is matched with the slide bar rolling on the cylinder inner wall on the outside of it at least two opposite sides
It closes, the idler wheel can be rolled along the slide bar.
Further, the left side of the sliding seat is provided with left side mounting portion, pacifies on the top surface of the left side mounting portion
Equipped with idler wheel；The right side of the sliding seat is provided with right side mounting portion, is equipped with idler wheel on the top surface of the right side mounting portion；
The top surface of the sliding seat is provided with upside mounting portion, is equipped with idler wheel on the right side of the upside mounting portion；The sliding
The bottom surface of seat is provided with downside mounting portion, is equipped with idler wheel on the right side of the downside mounting portion.
Further, fixed there are four the slide bar being spaced apart along its circumferential direction on the inner wall of each cylinder,
On one sagittal plane, the central angle that the center of circle of two neighboring slide bar and the cylinder is constituted is 90 degree.
Further, the nested troughs that recess is provided with along its circumferential direction of the idler wheel, the shape of the nested troughs with
The shape of its slide bar cooperated matches.
Further, the profile of the slide bar cross section is circle, and the shape of the nested troughs cross section is semicircle.
Further, on the inner wall of the cylinder, its circumferential direction is provided with several card slots being spaced apart, the card
The shape of slot and the shape of the slide bar match, and the slide bar is placed in the card slot.
Further, the shape semicircular in shape of the cross section of the card slot.
Compared with prior art, the present invention beneficial effect is:
Multi-stage expansion structure of the invention has a body-sensing, product appearance knot using the structure of telescopic arm set telescopic arm
Structure is beautiful, and occupied space is smaller.Also, while realizing longer stroke, when can effectively solve the long arm of force, shake and inclined
The problem of pendulum.
Multi-stage expansion structure of the invention can be applied in accurate ball-screw internal spline structure, realize Multi section bar essence
It determines position, and in the case where heavy load capable of being born, ensure that extremely long service life.
Detailed description of the invention
Fig. 1 is a kind of schematic perspective view of multistage retractable rod provided in an embodiment of the present invention；
Fig. 2 is the schematic cross-sectional view of multistage retractable rod shown in Fig. 1；
Fig. 3 is the decomposition texture schematic diagram of multistage retractable rod shown in Fig. 1；
Fig. 4 is the schematic perspective view of the sliding seat of installation upper roller provided in an embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention；Term " first ", " second ", " third "
It is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance；In addition, unless otherwise specific regulation and limit
Fixed, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachably connect
It connects, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
A kind of multistage retractable rod is present embodiments provided, cylinder and at least two sizes including at least two sizes
Sliding seat.Wherein, it is each equipped with the matched sliding seat of size in larger-size cylinder and a size is smaller
Cylinder；Also, the sliding seat being located in larger cylindrical is fixedly connected with the lesser cylinder of size.
As shown in Figure 1 to Figure 3, a multistage retractable rod is shown, is slided greatly inside the large cylinder 1 of larger size equipped with one
Dynamic seat 2 and the lesser small cylinder 3 of a size, small cylinder 3 are fixedly connected with the big sliding seat 2；It is equipped with again in the small cylinder 3
One lesser small sliding seat 4, the lesser small sliding seat 4 are connected with smaller cylinder (not shown) again.On big sliding seat 2
Idler wheel can be rolled along slide bar 5, realize rolling friction；While mobile, small cylinder 3 can move together big sliding seat 2, from
And small cylinder 3 can stretch out or retract in large cylinder 1, realize Telescopic.
Specifically, being fixed with several slide bars 5 being spaced apart along its circumferential direction, often on the inner wall of each cylinder
Idler wheel 6 is installed at least two opposite sides on one sliding seat, the idler wheel 6 in the cylinder on the outside of it
Slide bar 5 on wall rolls cooperation, and the idler wheel 6 can be rolled along the slide bar 5.In this present embodiment, each cylinder is interior
On wall, along its circumferential direction it is fixed there are four the slide bars 5 being spaced apart, on a sagittal plane, two neighboring slide bar 5 with it is described
The central angle that the center of circle of cylinder is constituted is 90 degree.
Fig. 4 is referred to, the left side of the big sliding seat 2 (or small sliding seat 4) is provided with left side mounting portion 21, the left side
Idler wheel 6 is installed on the top surface of side mounting portion 21；The right side of the sliding seat 2 is provided with right side mounting portion 22, the right side
Idler wheel 6 is installed on the top surface of mounting portion 22；The top surface of the big sliding seat 2 is provided with upside mounting portion 23, the upside peace
Idler wheel 6 is installed on the right side in dress portion 23；The bottom surface of the sliding seat 2 is provided with downside mounting portion 24, the downside installation
Idler wheel 6 is installed on the right side in portion 24.The nested troughs 61 that recess is provided with along its circumferential direction of the idler wheel 6, it is described embedding
The shape of the shape of grooving 61 slide bar 5 engaged therewith matches.The profile of 5 cross section of slide bar is circle, the nesting
The shape of 61 cross section of slot is semicircle.
On the inner wall of the large cylinder 1, its circumferential direction is provided with several card slots 11 being spaced apart, the card slot 11
Shape and the shape of the slide bar 5 match, the slide bar 5 is placed in the card slot 11.The cross section of the card slot 11
Shape semicircular in shape.Likewise, being also equipped with the card slot 31 of same shape on the inner wall of small cylinder 3.
As it can be seen that the multi-stage expansion structure of the present embodiment has a body-sensing using the structure of telescopic arm set telescopic arm, produce
Product surface structure is beautiful, and occupied space is smaller.Also, while realizing longer stroke, when can effectively solve the long arm of force,
The problem of shaking and beat.
The multi-stage expansion structure of the present embodiment can be applied in accurate ball-screw internal spline structure, realize Multi section bar
It is accurately positioned, and in the case where heavy load capable of being born, ensure that extremely long service life.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (7)
1. a kind of multistage retractable rod, which is characterized in that the sliding of cylinder and at least two sizes including at least two sizes
Seat, wherein the matched sliding seat of size and a lesser circle of size are each equipped in larger-size cylinder
Cylinder；Also, the sliding seat being located in the larger cylindrical is fixedly connected with the lesser cylinder of the size；Each circle
On the inner wall of cylinder, several slide bars being spaced apart are fixed with along its circumferential direction, at least two phases on each sliding seat
Pair side on idler wheel is installed, the slide bar on the idler wheel and the cylinder inner wall on the outside of it, which rolls, to be cooperated, the idler wheel
It can be rolled along the slide bar.
2. multistage retractable rod as described in claim 1, which is characterized in that the left side of the sliding seat is provided with left side installation
Portion is equipped with idler wheel on the top surface of the left side mounting portion；The right side of the sliding seat is provided with right side mounting portion, the right side
Idler wheel is installed on the top surface of side mounting portion；The top surface of the sliding seat is provided with upside mounting portion, the upside mounting portion
Idler wheel is installed on right side；The bottom surface of the sliding seat is provided with downside mounting portion, on the right side of the downside mounting portion
Idler wheel is installed.
3. multistage retractable rod as claimed in claim 2, which is characterized in that on the inner wall of each cylinder, along its circumferential direction side
To fixation, there are four the slide bars being spaced apart, on a sagittal plane, what the center of circle of two neighboring slide bar and the cylinder was constituted
Central angle is 90 degree.
4. multistage retractable rod as described in claim 1, which is characterized in that the idler wheel is provided with recess along its circumferential direction
Nested troughs, the shape of the shape of nested troughs slide bar engaged therewith matches.
5. multistage retractable rod as claimed in claim 4, which is characterized in that the profile of the slide bar cross section is circle, described
The shape of nested troughs cross section is semicircle.
6. the multistage retractable rod as described in any one of claim 1 to 5, which is characterized in that on the inner wall of the cylinder, edge
Its circumferential direction is provided with several card slots being spaced apart, and the shape of the card slot and the shape of the slide bar match, described
Slide bar is placed in the card slot.
7. multistage retractable rod as claimed in claim 6, which is characterized in that the shape semicircular in shape of the cross section of the card slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910540590.XA CN110259782A (en) | 2019-06-20 | 2019-06-20 | A kind of multistage retractable rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910540590.XA CN110259782A (en) | 2019-06-20 | 2019-06-20 | A kind of multistage retractable rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110259782A true CN110259782A (en) | 2019-09-20 |
Family
ID=67920108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910540590.XA Pending CN110259782A (en) | 2019-06-20 | 2019-06-20 | A kind of multistage retractable rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110259782A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113317077A (en) * | 2021-05-11 | 2021-08-31 | 四维生态科技（杭州）有限公司 | Plant planting device |
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| JPH08157184A (en) * | 1994-11-30 | 1996-06-18 | Tadano Ltd | Multistage extensible-contractible boom |
| CN2866929Y (en) * | 2005-12-13 | 2007-02-07 | 吉全新 | Telescoping apparatus |
| CN202646263U (en) * | 2012-06-28 | 2013-01-02 | 中联重科股份有限公司 | Telescopic boom and engineering machinery comprising same |
| CN203762637U (en) * | 2014-02-27 | 2014-08-13 | 京木木制品（东莞）有限公司 | Hidden bidirectional movable drawer slide rail |
| CN204041657U (en) * | 2014-08-05 | 2014-12-24 | 徐州重型机械有限公司 | A kind of telescopic boom and engineering mechanical device |
| CN204942989U (en) * | 2015-08-18 | 2016-01-06 | 奇酷互联网络科技（深圳）有限公司 | Self-shooting bar |
| CN204961487U (en) * | 2015-09-07 | 2016-01-13 | 中山金稳五金零件有限公司 | Novel flexible pipe assembly |
| CN205640134U (en) * | 2016-05-26 | 2016-10-12 | 东莞市金弘美电子有限公司 | Telescopic link and telescopic selftimer |
| CN106185652A (en) * | 2016-08-31 | 2016-12-07 | 北汽福田汽车股份有限公司 | A kind of multi-stage expansion mechanism and engineering machinery |
| CN106219421A (en) * | 2016-08-31 | 2016-12-14 | 北汽福田汽车股份有限公司 | A kind of multi-stage expansion mechanism and engineering machinery |
| CN206234215U (en) * | 2016-10-31 | 2017-06-09 | 东莞市金弘美电子有限公司 | Special-shaped expansion link |
| CN206816630U (en) * | 2017-04-28 | 2017-12-29 | 祥鑫科技股份有限公司 | A kind of expansion link |
| CN207721499U (en) * | 2017-09-28 | 2018-08-14 | 陈正金 | A kind of stainless steel rail structure |
| CN108916178A (en) * | 2018-09-18 | 2018-11-30 | 罗伯泰克自动化科技（苏州）有限公司 | Bi-directional expansion arm mechanism |
| CN208503176U (en) * | 2018-05-23 | 2019-02-15 | 浙江师范大学 | A kind of telescopic device |
| CN210423300U (en) * | 2019-06-20 | 2020-04-28 | 深圳市世椿智能装备股份有限公司 | Multi-stage telescopic rod |
-
2019
- 2019-06-20 CN CN201910540590.XA patent/CN110259782A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08157184A (en) * | 1994-11-30 | 1996-06-18 | Tadano Ltd | Multistage extensible-contractible boom |
| CN2866929Y (en) * | 2005-12-13 | 2007-02-07 | 吉全新 | Telescoping apparatus |
| CN202646263U (en) * | 2012-06-28 | 2013-01-02 | 中联重科股份有限公司 | Telescopic boom and engineering machinery comprising same |
| CN203762637U (en) * | 2014-02-27 | 2014-08-13 | 京木木制品（东莞）有限公司 | Hidden bidirectional movable drawer slide rail |
| CN204041657U (en) * | 2014-08-05 | 2014-12-24 | 徐州重型机械有限公司 | A kind of telescopic boom and engineering mechanical device |
| CN204942989U (en) * | 2015-08-18 | 2016-01-06 | 奇酷互联网络科技（深圳）有限公司 | Self-shooting bar |
| CN204961487U (en) * | 2015-09-07 | 2016-01-13 | 中山金稳五金零件有限公司 | Novel flexible pipe assembly |
| CN205640134U (en) * | 2016-05-26 | 2016-10-12 | 东莞市金弘美电子有限公司 | Telescopic link and telescopic selftimer |
| CN106185652A (en) * | 2016-08-31 | 2016-12-07 | 北汽福田汽车股份有限公司 | A kind of multi-stage expansion mechanism and engineering machinery |
| CN106219421A (en) * | 2016-08-31 | 2016-12-14 | 北汽福田汽车股份有限公司 | A kind of multi-stage expansion mechanism and engineering machinery |
| CN206234215U (en) * | 2016-10-31 | 2017-06-09 | 东莞市金弘美电子有限公司 | Special-shaped expansion link |
| CN206816630U (en) * | 2017-04-28 | 2017-12-29 | 祥鑫科技股份有限公司 | A kind of expansion link |
| CN207721499U (en) * | 2017-09-28 | 2018-08-14 | 陈正金 | A kind of stainless steel rail structure |
| CN208503176U (en) * | 2018-05-23 | 2019-02-15 | 浙江师范大学 | A kind of telescopic device |
| CN108916178A (en) * | 2018-09-18 | 2018-11-30 | 罗伯泰克自动化科技（苏州）有限公司 | Bi-directional expansion arm mechanism |
| CN210423300U (en) * | 2019-06-20 | 2020-04-28 | 深圳市世椿智能装备股份有限公司 | Multi-stage telescopic rod |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113317077A (en) * | 2021-05-11 | 2021-08-31 | 四维生态科技（杭州）有限公司 | Plant planting device |
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