CN104595311B - Novel sleeve stretching locking device - Google Patents
Novel sleeve stretching locking device Download PDFInfo
- Publication number
- CN104595311B CN104595311B CN201510046528.7A CN201510046528A CN104595311B CN 104595311 B CN104595311 B CN 104595311B CN 201510046528 A CN201510046528 A CN 201510046528A CN 104595311 B CN104595311 B CN 104595311B
- Authority
- CN
- China
- Prior art keywords
- locking device
- inner sleeve
- sleeve
- supporter
- push
- 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 description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000008961 swelling Effects 0.000 claims description 2
- 238000001727 in vivo Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000001215 vagina Anatomy 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
- F16B7/14—Telescoping systems locking in intermediate non-discrete positions
- F16B7/1463—Telescoping systems locking in intermediate non-discrete positions with the expansion of an element inside the outer telescoping member due to the axial movement towards a wedge or a conical member
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a novel sleeve stretching locking device which comprises an outer sleeve and an inner sleeve, wherein the inner sleeve is sleeved in the outer sleeve in a sliding form; a locking device for fastening the inner sleeve on any position in the outer sleeve is arranged at one end of the inner sleeve; a moveable handle for controlling the locking device to lock or unlock is arranged at the other end of the inner sleeve. The novel sleeve stretching locking device provided by the invention can realize the adjusting and locking for the stretching rod at any point in the maximal stretching scope, the operation is convenient, the locking is reliable, the device is durable, the service life is long, the appearance is clean and beautiful, the moveable handle can be rotated for 360 degrees, and the fatigue caused by holding the handle for a long time is avoided.
Description
Technical field
The present invention relates to telescoping rod manufacturing technology field is and in particular to new casing telescopic locking device.
Background technology
Telescoping rod is widely used on various products or apparatus, such as telescopic crutch, telescopic umbrella shank,
Indoor transfusion bottle peg of the hand-held shank of telescopic mop, the pull bar of Telescopic travelling trunk, hospital transfusion etc., but these expansion links
Part is all to have a grade telescopic adjustment (be exactly specifically fixing connect and fix gear) it is impossible to realize any elongated distance or contracting
(popular saying exactly arbitrary can not realize the scope in maximal tensility for the expansion link to enter the regulation of distance latched position
Interior random length adjusts and is locked), this is always one of telescoping rod technical field technical bottleneck.
Content of the invention
For the deficiencies in the prior art, the present invention provides a kind of new casing telescopic locking device.
To achieve these goals, the technical solution adopted for the present invention to solve the technical problems is：New casing stretches
Locking device, including trocar sheath and inner sleeve, inner sleeve is slidably socketed in trocar sheath, and one end of described inner sleeve is provided with and makes
Inner sleeve is fastened on the locking device of the optional position in trocar sheath, and the other end of inner sleeve is provided with the described locking of control
Device locking or the flexible handle of unblock.
The present invention further provides new casing telescopic locking device, its locking device includes being fixedly connected on inner sleeve
One end expansion set, in the central through hole of expansion set, slip cap is connected to push-pull bar, and one end of push-pull bar is fixedly connected with circumference
Large scale is more than the supporter for making expansion set and outer sleeve inner wall swelling, the other end of push-pull bar and the work of central through hole diameter
Fixed handle is in transmission connection.
The present invention further provides new casing telescopic locking device, its push-pull bar is the body of rod of hollow, described
In the fixedly sleeved Single port in the body of rod of hollow of support body, described supporter is spherical or conical supports, and described support is internal
Offer through channel, in the another port of the body of rod of described hollow, fixed cover is connected to male union, inner sleeve another
It is provided with inner screw sheath, inner screw sheath is solidified as a whole with inner sleeve, and described male union is socketed in interior spiral shell in the port at end
Threaded in stricture of vagina set and with it.
The present invention further provides new casing telescopic locking device, its flexible handle includes holding handle and knob
Device, the outer wall of knob device is slided with the inwall of trocar sheath and fits or separate, and tapped through hole and external screw thread are passed through in one end of knob device
It is fixedly connected after connecting tube is spirally connected and with pin for suppressing metal, the inside of knob device offers accommodating cavity, hold handle and be fastenedly connected
The other end in knob device.
The present invention further provides new casing telescopic locking device, its trocar sheath bottom is fixedly connected with telescopic extension
Limit bar or telescopic extension limits rope, described sleeve pipe is stretched and limited bar or telescopic extension restriction rope through the through channel of supporter
In the body of rod of hollow, and the telescopic extension in the body of rod of hollow limits bar or telescopic extension limits end portion and fixes even
It is connected to the block that a circumferential size is more than the through channel diameter of supporter.
The new casing telescopic locking device of the present invention further offer, its block is nut.
Beneficial effects of the present invention：This new casing telescopic locking device of the present invention enables telescoping rod in maximum
Regulation locking at arbitrfary point in telescopic extensions, manipulation facilitates reliable lock, durable, long service life, and tailored appearance is attractive in appearance,
Flexible handle can 360 ° of rotations, it is to avoid long-time orientation is held by handle and produces fatigue.
Brief description
Fig. 1 is the external structure schematic diagram of the present invention；
Fig. 2 is the A-A of Fig. 1 to structural representation；
Fig. 3 is the structural representation under extended configuration of the present invention.
Specific embodiment
With reference to specific embodiment, the invention will be further described.
Embodiment one, new casing telescopic locking device, including trocar sheath 1 and inner sleeve 2, inner sleeve 2 is slidably socketed
In trocar sheath 1, one end of described inner sleeve 2 is provided with the locking dress of the optional position making inner sleeve 2 be fastened in trocar sheath 1
Put, be provided with the flexible handle controlling described locking device locking or unblock positioned at the other end of inner sleeve 2；Described locking device
Including the expansion set 3 of the one end being fixedly connected on inner sleeve 2, in the central through hole 4 of expansion set 3, slip cap is connected to push-pull bar 5, and push-and-pull
One end of bar 5 be fixedly connected with circumferential full-size be more than central through hole 4 diameter be used for make expansion set 3 swollen with trocar sheath 1 inwall
Tight supporter 6, the other end of push-pull bar 5 and flexible handle are in transmission connection；Described push-pull bar 5 is the body of rod of hollow, described
In the fixedly sleeved Single port in the body of rod of hollow of supporter 6, described supporter 6 is spherical or conical supports, described support
Through channel 7 is offered, in the another port of the body of rod of described hollow, fixed cover is connected to male union 8, inner sleeve in body 6
It is provided with inner screw sheath 9, inner screw sheath 9 is solidified as a whole with inner sleeve 2, described male union 8 in the port of 2 other end
It is socketed in inner screw sheath 9 and threaded with it；Described flexible handle includes holding handle 10 and knob device 11, knob device 11
The inwall of outer wall and trocar sheath 1 slide laminating or separate, tapped through hole and male union 8 are passed through in one end of knob device 11
It is fixedly connected after being spirally connected and with pin for suppressing metal 19, the inside of knob device 11 offers accommodating cavity 12, hold handle 10 fastening even
It is connected on the other end of knob device 11.
Described trocar sheath 1 bottom is fixedly connected (being preferably fixedly connected) with stud 17 has telescopic extension to limit bar 13,
Described sleeve pipe is stretched and is limited bar 13 through the through channel 7 of supporter 6 in the body of rod of hollow, and in the body of rod of hollow
Telescopic extension limit bar 13 end be fixedly connected with a circumferential size be more than supporter 6 through channel 7 diameter nut 14.
Described trocar sheath 1 and inner sleeve 2 are all the body that section is circle.
Preferably, the deformed dilation portion outer wall of described expansion set 3 is provided with rubber layer 18, rubber layer 18 be used for increasing expansion set with
Coefficient of friction between trocar sheath 1 inwall is so that locking device locking is more reliable.
Embodiment two, the present embodiment is with the difference of embodiment one, and described trocar sheath 1 bottom is fixedly connected with set
Pipe stretches and limits rope, and described sleeve pipe is stretched and limited rope through the through channel 7 of supporter 6 in the body of rod of hollow, and is located at
It is straight more than the through channel 7 of supporter 6 that telescopic extension restriction end portion in the body of rod of hollow is fixedly connected with a circumferential size
The block in footpath.
Described trocar sheath 1 and inner sleeve 2 are all section for oval, polygonal body.
Embodiment three, the present embodiment is with the difference of embodiment two, and described trocar sheath 1 and inner sleeve 2 are all
Section is oval body.
Example IV, the present embodiment is with the difference of embodiment three, and described trocar sheath 1 and inner sleeve 2 are all
Section is polygonal body.
Embodiment five, the present embodiment is with the difference of embodiment one, square along its length on the described tube wall of trocar sheath 1
To offering at least one chute 15, described expansion set 3 is provided with the slide block being slidably connected with described chute 15 or pin 16.
Embodiment six, the present embodiment is with the difference of embodiment one, and one end of described push-pull bar passes through passing through of supporter 6
Circulation passage 7 (not shown), is provided with solid on the push-and-pull club shaft at the two ends road junction of the through channel 7 of supporter 6
(in figure is not shown, and block is used for limiting push-pull bar and slides axially in through channel 7, and does not limit push-pull bar and passing through to determine block
Rotation in circulation passage 7, in this embodiment, supporter 6 does not rotate with push-pull bar, is only subject to the axial tension of push-pull bar and thrust
Effect), the other end of push-pull bar is connected with male union fixation.
Embodiment seven, the present embodiment is with the difference of embodiment one, and described supporter 6 rotates and is socketed in push-pull bar 5
In the mouth of pipe of one end, and axial limiting fixes (can not slide axially), and in this embodiment, supporter 6 does not rotate with push-pull bar 5, is only subject to
The axial tension of push-pull bar 5 and the effect of thrust.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment only wraps
Containing an independent technical scheme, only for clarity, those skilled in the art should for this narrating mode of description
Using description as an entirety, the technical scheme in each embodiment can also form those skilled in the art through appropriately combined
Understandable other embodiment.
Claims (5)
1. new casing telescopic locking device, including trocar sheath and inner sleeve, inner sleeve is slidably socketed in trocar sheath, its feature
It is, one end of described inner sleeve is provided with the locking device making inner sleeve be fastened on the optional position in trocar sheath, positioned at interior
The other end of sleeve pipe is provided with the flexible handle controlling described locking device locking or unblock, and described locking device includes fixing company
It is connected on the expansion set of one end of inner sleeve, in the central through hole of expansion set, slip cap is connected to push-pull bar, and one end of push-pull bar is fixing even
It is connected to the supporter for making expansion set and outer sleeve inner wall swelling that circumferential full-size is more than central through hole diameter, push-pull bar
The other end is in transmission connection with flexible handle.
2. new casing telescopic locking device according to claim 1 is it is characterised in that described push-pull bar is the bar of hollow
Body, in the fixedly sleeved Single port in the body of rod of hollow of described supporter, described supporter is spherical or conical supports, institute
State support and offer through channel in vivo, in the another port of the body of rod of described hollow, fixed cover is connected to male union, interior
It is provided with inner screw sheath, inner screw sheath is solidified as a whole with inner sleeve, described male union in the port of the other end of sleeve pipe
It is socketed in inner screw sheath and threaded with it.
3. new casing telescopic locking device according to claim 1 is it is characterised in that described flexible handle includes holding
Handle and knob device, the outer wall of knob device is slided with the inwall of trocar sheath and fits or separate, and one end of knob device is passed through screw thread and led to
It is fixedly connected after hole is spirally connected with male union and with pin for suppressing metal, the inside of knob device offers accommodating cavity, grip
Handle is fastenedly connected the other end in knob device.
4. the new casing telescopic locking device according to claim 13 any claim is it is characterised in that described
Trocar sheath bottom is fixedly connected with telescopic extension and limits bar or telescopic extension restriction rope, and described sleeve pipe flexible restriction bar or sleeve pipe are stretched
Shrinkage limit rope making passes through the through channel of supporter to be located in the body of rod of hollow, and the telescopic extension in the body of rod of hollow limits
Bar or telescopic extension limit end portion and are fixedly connected with the block that a circumferential size is more than the through channel diameter of supporter.
5. new casing telescopic locking device according to claim 4 is it is characterised in that described block is nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510046528.7A CN104595311B (en) | 2015-01-29 | 2015-01-29 | Novel sleeve stretching locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510046528.7A CN104595311B (en) | 2015-01-29 | 2015-01-29 | Novel sleeve stretching locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104595311A CN104595311A (en) | 2015-05-06 |
| CN104595311B true CN104595311B (en) | 2017-02-22 |
Family
ID=53121282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510046528.7A Active CN104595311B (en) | 2015-01-29 | 2015-01-29 | Novel sleeve stretching locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104595311B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106606328A (en) * | 2015-10-21 | 2017-05-03 | 赵宝亮 | Remote control glass wiper |
| CN105382569A (en) * | 2015-12-15 | 2016-03-09 | 苏州创丰精密五金有限公司 | Telescopic positioning clamp |
| ITUA20162971A1 (en) * | 2016-04-28 | 2017-10-28 | Salmoiraghi S P A | INERTIAL DRIVE MOBILE DEVICE TO DOWNLOAD COILS LOADS FROM A WINDING MACHINE |
| CN109632644A (en) * | 2018-08-08 | 2019-04-16 | 中瑞福宁机器人（沈阳）有限公司 | A kind of novel device for stewing soup |
| CN111150194B (en) * | 2020-02-18 | 2021-09-03 | 米伦医疗科技(苏州)有限公司 | Telescopic adjusting mechanism of walking stick type walking aid |
| CN112207748B (en) * | 2020-09-30 | 2022-03-04 | 中国建筑第五工程局有限公司 | Spanner for fastening high-strength bolt |
| CN112721226B (en) * | 2020-12-12 | 2022-10-28 | 爱驰汽车有限公司 | Method for manufacturing telescopic rod and telescopic rod |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2799185Y (en) * | 2005-06-03 | 2006-07-26 | 天津市金锚集团有限责任公司 | Telescopic bar |
| CN201133395Y (en) * | 2007-11-19 | 2008-10-15 | 张钠 | Multifunctional telescopic rod |
| CN201356522Y (en) * | 2009-02-26 | 2009-12-09 | 林晓鸿 | Structure of telescopic link |
| US20140061419A1 (en) * | 2012-08-30 | 2014-03-06 | Tien Hsin Industries Co., Ltd. | Multi-position adjustable height seat post |
| GB2514082A (en) * | 2013-02-08 | 2014-11-19 | Numatic Int Ltd | Telescoping connection between tubular members |
| CN204403079U (en) * | 2015-01-29 | 2015-06-17 | 王金虎 | New casing telescopic locking device |
-
2015
- 2015-01-29 CN CN201510046528.7A patent/CN104595311B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2799185Y (en) * | 2005-06-03 | 2006-07-26 | 天津市金锚集团有限责任公司 | Telescopic bar |
| CN201133395Y (en) * | 2007-11-19 | 2008-10-15 | 张钠 | Multifunctional telescopic rod |
| CN201356522Y (en) * | 2009-02-26 | 2009-12-09 | 林晓鸿 | Structure of telescopic link |
| US20140061419A1 (en) * | 2012-08-30 | 2014-03-06 | Tien Hsin Industries Co., Ltd. | Multi-position adjustable height seat post |
| GB2514082A (en) * | 2013-02-08 | 2014-11-19 | Numatic Int Ltd | Telescoping connection between tubular members |
| CN204403079U (en) * | 2015-01-29 | 2015-06-17 | 王金虎 | New casing telescopic locking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104595311A (en) | 2015-05-06 |
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| PB01 | Publication | ||
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| C14 | Grant of patent or utility model | ||
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