CN104653560A - Retractable control device - Google Patents
Retractable control device Download PDFInfo
- Publication number
- CN104653560A CN104653560A CN201510079646.8A CN201510079646A CN104653560A CN 104653560 A CN104653560 A CN 104653560A CN 201510079646 A CN201510079646 A CN 201510079646A CN 104653560 A CN104653560 A CN 104653560A
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- CN
- China
- Prior art keywords
- cam
- chute
- jacking block
- flexible rod
- control device
- 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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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
- F16B7/14—Telescoping systems locking in intermediate non-discrete positions
- F16B7/1427—Telescoping systems locking in intermediate non-discrete positions with cammed or eccentrical surfaces co-operating by relative rotation of the telescoping members or by rotation of an external collar
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chutes (AREA)
Abstract
The invention discloses a retractable control device. The retractable control device comprises a sliding groove, a retractable rod and a cam mechanism, wherein one end of the retractable rod is sheathed in the sliding groove, the cam mechanism comprises an ejecting block and a cam, the cam is arranged corresponding to one end of the ejecting block, the other end of the ejecting block is in contact with the retractable rod, and when the highest point of the cam is in contact with the ejecting block, the ejecting block presses the retractable rod. Since the ejecting block and the cam are arranged, when the highest point of the cam is in contact with the ejecting block, the cam presses the ejecting block, so that the ejecting block presses the retractable rod, the situation that the retractable rod is kept at a designated position is guaranteed and the retractable rod can support external acting force to satisfy the use demand; when the cam is rotated, after the highest point of the cam leaves the ejecting block, a corresponding distance exists between the ejecting block and the cam and the ejecting block does not press the retractable rod any longer, so that the retractable rod can be pulled, the extension and retraction of the retractable rod are facilitated, the adjustment of height or length is facilitated, the structure is simple and the device is convenient to use.
Description
Technical field
The invention belongs to a kind of for regulating the structure of retracted position, especially relating to a kind of telescopic control device.
Background technique
The leg support of existing seat is at adjustment collapsing length, or the cushion of bicycle is when regulating height, needs by being backed out by screw above, more correspondingly with the screw of corresponding height position tightens, or other modes, and overall structure is more complicated, regulates inconvenient.The chaise longue in especially corresponding medical treatment or beauty treatment place, needs according to different users the collapsing length regulating leg support frame, and loaded down with trivial details operating process makes use inconvenient.
Summary of the invention
The object of the present invention is to provide a kind of telescopic control device, at least one in can solving the problem.
According to an aspect of the present invention, provide a kind of telescopic control device, comprise chute, flexible rod and cam mechanism, one end of flexible rod is set in chute, cam mechanism comprises jacking block and cam, and cam is corresponding with one end of jacking block to be arranged, and the other end of jacking block contacts with flexible rod, when the peak of cam contacts with jacking block, jacking block compresses flexible rod.
The invention has the beneficial effects as follows: be provided with jacking block and cam, when the peak of cam contacts with jacking block, cam pressing jacking block, jacking block is made to compress flexible rod, ensure that flexible rod keeps fixing at specified position, thus make flexible rod support external forces, meet and use; Work as rotating cam, after making the peak of cam leave jacking block, jacking block and cam have corresponding distance, and jacking block no longer compresses flexible rod, thus can pull flexible rod, facilitate the flexible of flexible rod, and the adjustment of convenient height or length, structure is simple, easy to use.
In some embodiments, cam mechanism can also comprise rotating shaft, and rotating shaft is arranged on outside chute, and cam can rotate around the axis.Thus, the rotation that rotating shaft can facilitate cam is provided with.
In some embodiments, telescopic control device can also comprise adjusting bolt, and adjusting bolt is located on chute, and jacking block and adjusting bolt lay respectively at the relative both sides of chute, and adjusting bolt is used for the distance between adjustable telescopic rod and jacking block.Thus, be provided with adjusting bolt, can facilitate the distance between adjustable telescopic rod and jacking block, can reduce the machining accuracy of jacking block and chute, convenient processing, cuts down finished cost, and can increase the Applicable scope of this telescopic control device.
In some embodiments, chute offers restraining groove, flexible rod is provided with stop screw, and stop screw can move in restraining groove.Thus, be provided with restraining groove and stop screw, can prevent flexible rod from pulling out from chute in moving process, easy to use.
In some embodiments, telescopic control device can also comprise guide rail, and the material of guide rail is plastics, and guide rail is between chute and flexible rod, and guide rail is provided with opening slot, and opening slot is corresponding with restraining groove.Thus, be provided with the guide rail of plastic material, the friction between flexible rod and chute can be reduced, Loss reducing, and noise when can reduce both relative movements, improve working life.
In some embodiments, chute and guide rail all offer mounting hole, jacking block contacts with flexible rod after running through the mounting hole on chute and guide rail.Thus, be provided with the installation that mounting hole can facilitate jacking block, and facilitate jacking block to compress flexible rod.
In some embodiments, chute offers tapped hole, adjusting bolt and tapped hole screw-thread fit, end face and the guide rail of adjusting bolt abut against.Thus, can, by the adjustment of adjusting bolt, the distance between the sidewall of guide rail and flexible rod be changed, thus facilitate jacking block and flexible rod to interact.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of mode of execution of telescopic control device of the present invention;
Fig. 2 is the side-looking structural representation of telescopic control device of the present invention;
Fig. 3 is the A-A sectional structure schematic diagram of Fig. 2;
Fig. 4 is the structural representation of telescopic control device middle guide of the present invention;
Fig. 5 is the structural representation of the another kind of mode of execution of telescopic control device of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further detailed explanation.
With reference to shown in Fig. 1, Fig. 2 and Fig. 3: telescopic control device, comprise chute 1, flexible rod 2 and cam mechanism 3, wherein chute 1 and flexible rod 2 are square tubular or circular pipe, and the material of chute 1 and flexible rod 2 is stainless steel, and one end of flexible rod 2 is set in chute 1.Cam mechanism 3 comprises jacking block 31 and cam 32, and jacking block 31 is hollow shape cylindrical tube, and jacking block 31 is working of plastics, obtains through molding and forming, and processing is convenient; In order to easy to use, jacking block 31 can be made standard piece, can directly use.Cam 32 is corresponding with one end of jacking block 31 to be arranged, and namely cam 32 contacts with one end of jacking block 31; The other end of jacking block 31 contacts with flexible rod 2, and when the peak of cam 32 contacts with jacking block 31, jacking block 31 compresses flexible rod 2.
Cam mechanism 3 also comprises rotating shaft 33, and rotating shaft 33 is arranged on outside chute 1, and cam 32 can 33 rotate around the shaft, and be welded with two supports 13 in the outside of chute 1, rotating shaft 33 is arranged on two supports 13.Conveniently cam 32 rotates in use, is provided with handle 8 in the outside of cam 32, and handle 8 and cam 32 are formed in one structure, moving cam 32 can be with to rotate by pulling handle 8.When pulling handle 8 and making the peak of cam 32 contact with jacking block 31, jacking block 31 compresses flexible rod 2, and flexible rod 2 cannot move; When pulling handle 8 and making the peak of cam leave jacking block 31, jacking block 31 increases with the distance of cam 32, makes cam 32 no longer compress flexible rod 2, can pull flexible rod 2 under external force, make flexible rod 2 be adjusted to desired position; After the position of flexible rod 2 has adjusted, then pull the peak compression jacking block 31 that handle 8 makes cam 32, prevent flexible rod 2 to be moved.
In actual use, can flexible rod 2 the other end install Support cushion, facilitate support human body leg or for other place, easy to use.
Telescopic control device of the present invention also comprises adjusting bolt 4, and adjusting bolt 4 is located on chute 1, and jacking block 31 and adjusting bolt 4 lay respectively at the relative both sides of chute 1, and adjusting bolt 4 is for the distance between adjustable telescopic rod 2 and jacking block 31.
Chute 1 offers restraining groove 11, flexible rod 2 is provided with stop screw 5, and one end of stop screw 5 is with flexible rod 2 for being threaded, and the external diameter of the other end of stop screw 5 is greater than the width of restraining groove 11, and stop screw 5 can move in restraining groove 11.When flexible rod 2 drives stop screw 5 to move, restraining groove 11 is for two limit positions of the stretching and retraction that limit flexible rod 2.The length of restraining groove 11 can adjust according to the usage requirement of different occasion, prevents flexible rod 2 from departing from chute 1 when stretching, and prevents the other end of flexible rod 2 from also being pushed in chute 1 by external force, easy to use.
As shown in Figure 1, Figure 4 and Figure 5, in another embodiment, telescopic control device of the present invention also comprises guide rail 6, and the material of guide rail 6 is plastics, and guide rail 6 is between chute 1 and flexible rod 2, and guide rail 6 is also square tubular or circular pipe, and is set in chute 1.Guide rail 6 is provided with opening slot 61, and opening slot 61 is corresponding with restraining groove 11, and namely opening slot 61 and restraining groove 11 are positioned at the same side of flexible rod 2, and prevent flexible rod 2 when mobile, stop screw 5 is limited by guide rail 6, easy to use.
Chute 1 and guide rail 6 all offer mounting hole 7, and the internal diameter of mounting hole 7 is consistent with the external diameter of jacking block 31, jacking block 31 contacts with flexible rod 2 after running through the mounting hole 7 on chute 1 and guide rail 6.
Chute 1 offers tapped hole 12, adjusting bolt 4 and tapped hole 12 screw-thread fit, end face and the guide rail 6 of adjusting bolt 4 abut against.Because guide rail 6 is working of plastics, therefore, under the squeezing action of adjusting bolt 4, guide rail 6 can deform, and promotes flexible rod 2, makes the distance between jacking block 31 to flexible rod 2 that corresponding change occur.Thus, being provided with adjusting bolt 4 can adjust the distance of flexible rod 2 and jacking block 31, therefore, reduces the machining accuracy of jacking block 31 and chute 1, reduces cost of production.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, and without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (7)
1. telescopic control device, wherein, comprise chute (1), flexible rod (2) and cam mechanism (3), one end of described flexible rod (2) is set in chute (1), described cam mechanism (3) comprises jacking block (31) and cam (32), described cam (32) is corresponding with one end of jacking block (31) to be arranged, the other end of described jacking block (31) contacts with flexible rod (2), when the peak of described cam (32) contacts with jacking block (31), jacking block (31) compresses flexible rod (2).
2. telescopic control device according to claim 1, wherein, described cam mechanism (3) also comprises rotating shaft (33), described rotating shaft (33) is arranged on chute (1) outside, and described cam (32) can (33) rotate around the shaft.
3. telescopic control device according to claim 1 and 2, wherein, also comprise adjusting bolt (4), described adjusting bolt (4) is located on chute (1), described jacking block (31) lays respectively at the relative both sides of chute (1) with adjusting bolt (4), and described adjusting bolt (4) is for the distance between adjustable telescopic rod (2) and jacking block (31).
4. telescopic control device according to claim 3, wherein, described chute (1) offers restraining groove (11), described flexible rod (2) is provided with stop screw (5), and described stop screw (5) can move in restraining groove (11).
5. telescopic control device according to claim 4, wherein, also comprise guide rail (6), the material of described guide rail (6) is plastics, described guide rail (6) is positioned between chute (1) and flexible rod (2), described guide rail (6) is provided with opening slot (61), and described opening slot (61) is corresponding with restraining groove (11).
6. telescopic control device according to claim 5, wherein, described chute (1) and guide rail (6) all offer mounting hole (7), and the mounting hole (7) that described jacking block (31) runs through on chute (1) and guide rail (6) contacts with flexible rod (2) afterwards.
7. telescopic control device according to claim 5, wherein, described chute (1) offers tapped hole (12), described adjusting bolt (4) and tapped hole (12) screw-thread fit, end face and the guide rail (6) of described adjusting bolt (4) abut against.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510079646.8A CN104653560B (en) | 2015-02-13 | 2015-02-13 | Telescopic control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510079646.8A CN104653560B (en) | 2015-02-13 | 2015-02-13 | Telescopic control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104653560A true CN104653560A (en) | 2015-05-27 |
| CN104653560B CN104653560B (en) | 2016-09-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510079646.8A Active CN104653560B (en) | 2015-02-13 | 2015-02-13 | Telescopic control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104653560B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106142007A (en) * | 2016-08-25 | 2016-11-23 | 无锡市东北塘永丰橡塑厂 | A kind of convenient extension type rubber hammer controlled |
| CN107237486A (en) * | 2017-06-30 | 2017-10-10 | 台山市东扩钢构有限公司 | A kind of scaffold that can be built on inclined-plane |
| CN107268963A (en) * | 2017-06-30 | 2017-10-20 | 台山市东扩钢构有限公司 | It is a kind of to be built on inclined-plane and the scaffold with movable platform |
| CN107288329A (en) * | 2017-06-30 | 2017-10-24 | 台山市东扩钢构有限公司 | A kind of scaffold of levelling |
| CN107386619A (en) * | 2017-06-30 | 2017-11-24 | 台山市东扩钢构有限公司 | A kind of levelling and the scaffold with movable platform |
| CN110360197A (en) * | 2019-08-12 | 2019-10-22 | 浙江博凡核工程技术有限公司 | A kind of connector sleeve linkage |
| CN113685660A (en) * | 2021-08-25 | 2021-11-23 | 吴娜 | A hydraulic high-precision automatic leveling device with self-locking function |
| CN113974805A (en) * | 2021-12-09 | 2022-01-28 | 河北医科大学第三医院 | External fixator for tibiofibula |
| CN115182913A (en) * | 2022-07-05 | 2022-10-14 | 苏广伟 | Clamping device of telescopic rod |
| CN117103228A (en) * | 2023-09-01 | 2023-11-24 | 远也科技（苏州）有限公司 | a limiting device |
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| US20030090904A1 (en) * | 2001-01-03 | 2003-05-15 | Yueh Ching | Adjustable height stand with cam-lever |
| CN201190710Y (en) * | 2008-05-08 | 2009-02-04 | 王光彬 | Telescopic tube positioning mechanism |
| CN201953763U (en) * | 2011-04-06 | 2011-08-31 | 刘沛生 | High-strength thin-wall telescopic pipe and locking joint |
| EP2674629A2 (en) * | 2012-06-13 | 2013-12-18 | Paul Emmett Laing | Lock device for telescopic tubing |
| CN204436976U (en) * | 2015-02-13 | 2015-07-01 | 佛山市东品美业五金制品有限公司 | Telescopic control device |
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2015
- 2015-02-13 CN CN201510079646.8A patent/CN104653560B/en active Active
Patent Citations (5)
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| US20030090904A1 (en) * | 2001-01-03 | 2003-05-15 | Yueh Ching | Adjustable height stand with cam-lever |
| CN201190710Y (en) * | 2008-05-08 | 2009-02-04 | 王光彬 | Telescopic tube positioning mechanism |
| CN201953763U (en) * | 2011-04-06 | 2011-08-31 | 刘沛生 | High-strength thin-wall telescopic pipe and locking joint |
| EP2674629A2 (en) * | 2012-06-13 | 2013-12-18 | Paul Emmett Laing | Lock device for telescopic tubing |
| CN204436976U (en) * | 2015-02-13 | 2015-07-01 | 佛山市东品美业五金制品有限公司 | Telescopic control device |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106142007A (en) * | 2016-08-25 | 2016-11-23 | 无锡市东北塘永丰橡塑厂 | A kind of convenient extension type rubber hammer controlled |
| CN107237486B (en) * | 2017-06-30 | 2019-12-03 | 台山市东扩钢构有限公司 | A kind of scaffold that can be built on inclined-plane |
| CN107268963A (en) * | 2017-06-30 | 2017-10-20 | 台山市东扩钢构有限公司 | It is a kind of to be built on inclined-plane and the scaffold with movable platform |
| CN107288329A (en) * | 2017-06-30 | 2017-10-24 | 台山市东扩钢构有限公司 | A kind of scaffold of levelling |
| CN107386619A (en) * | 2017-06-30 | 2017-11-24 | 台山市东扩钢构有限公司 | A kind of levelling and the scaffold with movable platform |
| CN107237486A (en) * | 2017-06-30 | 2017-10-10 | 台山市东扩钢构有限公司 | A kind of scaffold that can be built on inclined-plane |
| CN107288329B (en) * | 2017-06-30 | 2020-02-07 | 河北伟信建筑器材有限公司 | Scaffold frame that can level |
| CN107268963B (en) * | 2017-06-30 | 2020-02-07 | 日照建德机械有限公司 | Scaffold capable of being built on inclined plane and provided with movable platform |
| CN110360197A (en) * | 2019-08-12 | 2019-10-22 | 浙江博凡核工程技术有限公司 | A kind of connector sleeve linkage |
| CN113685660A (en) * | 2021-08-25 | 2021-11-23 | 吴娜 | A hydraulic high-precision automatic leveling device with self-locking function |
| CN113974805A (en) * | 2021-12-09 | 2022-01-28 | 河北医科大学第三医院 | External fixator for tibiofibula |
| CN115182913A (en) * | 2022-07-05 | 2022-10-14 | 苏广伟 | Clamping device of telescopic rod |
| CN117103228A (en) * | 2023-09-01 | 2023-11-24 | 远也科技（苏州）有限公司 | a limiting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104653560B (en) | 2016-09-21 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220328 Address after: 528200 workshop a, No. 2, Jinfu Road, Shijiang Jiujiang clothing and Home Textile City, Shatou Jiuqiao Road, Jiujiang Town, Nanhai District, Foshan City, Guangdong Province Patentee after: Guangdong xifulai Health Technology Co.,Ltd. Address before: 528000 first floor of workshop a, plot Z-5, Jiujiang clothing and Home Textile City, Jiuqiao section, Jiujiang Town, Nanhai District, Foshan City, Guangdong Province Patentee before: FOSHAN DONGPIN SALON&BEAUTY HARDWARE PRODUCT CO.,LTD. |