CN101893022B - Telescopic locking mechanism - Google Patents
Telescopic locking mechanism Download PDFInfo
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- CN101893022B CN101893022B CN 201010230128 CN201010230128A CN101893022B CN 101893022 B CN101893022 B CN 101893022B CN 201010230128 CN201010230128 CN 201010230128 CN 201010230128 A CN201010230128 A CN 201010230128A CN 101893022 B CN101893022 B CN 101893022B
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- female connector
- buckle
- junction button
- locking mechanism
- pipe
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Abstract
The invention relates to a telescopic locking mechanism for connecting pipe fittings, which overcomes the shortcoming that in the prior art, the mode utilizing a pawl to clamp the pipe fittings has inconvenient adjustment. The locking mechanism comprises a splicing sleeve and a connecting buckle which are used for connecting an upper pipe and a lower pipe; and the splicing sleeve and the connecting buckle are mutually hinged, one end of the splicing sleeve is fixed with the end part of the upper pipe or the end part of the lower pipe, a notch is arranged on the side wall on which the other end of the splicing pipe is located, a spring is arranged between the connecting buckle and the splicing sleeve, a buckle tongue is arranged in the connecting buckle and stretches into the notch, and the end surface of the buckle tongue orients to the interior of the connecting tube. The connecting buckle and the splicing sleeve form a clip structure, which facilitates the telescoping of adjusted pipe fits and can conveniently separate the locking mechanism, thereby releasing clamp force.
Description
Technical field
The present invention relates to a kind of locking mechanism, the locking mechanism that especially a kind of connection pipe fitting is flexible.
Background technique
A lot of long pipe fittings all are to interconnect to form now, simplify processing, convenient transportation, in the pipe fitting that will change length, more need multiple tubing element to interconnect, and the diameter between the pipe fitting that connects is not identical and differ a wall thickness, these pipe fittings all will arrange a locking element at the position that connects when connecting, fix pipe fitting by locking element, use locking element generally to want reliable lock herein, relaxing simultaneously also will put in place rapidly, like this, when retubing or adjusting pipe fitting length, can finish fast.Can fold such as foldable chair, in order to regulate the height of foldable chair, the supporting leg of foldable chair generally can stretch, and at this moment will use locking element.The locking element that also uses such as lifting seat in the bicycle, this locking element is fastening type structure.
Patent Office of the People's Republic of China has announced the tripod that a CN2724048Y patent name is a kind of adjustable foot pipe spreading angle on September 7th, 2005, this tripod comprises scalable pin pipe, helmet, the pin tubular construction that connects each pin pipe and helmet, the The Cloud Terrace of helmet top, each helmet is provided with the screens of multiple subtended angle, with have fitting recess on the hinged pin pipe joint of helmet, pass through pin on the fitting recess, torsion spring is equipped with an elastic button, button is being clasped with the screens on the helmet is corresponding under the effect of torsion spring, but the screens of this structure and button are the modes by similar ratchet to be cooperated, thereby tighten up helmet by the conversion of screens and clamp pipe fitting, similar off-centre is pulled the structure of button.
Patent Office of the People's Republic of China has announced a CN2752419Y patent on January 18th, 2006, name is called Wire ladder telescopic leg lock adjustment mechanism, grabbing clutch by a corresponding button that is installed on the fastening foot with of tooth bar that is fixedly arranged on the telescopic leg sidepiece matches and consists of, button pawl clutch mainly is made of button pawl and torsion spring, the button pawl is a lever construction, the middle part rotating support is on fastening foot, torsion spring set is on axle, and act between fastening foot and the button pawl, force button pawl head to contact with tooth bar, button pawl head is provided with the tooth head with the tooth bar engagement, and afterbody is latch spoon.This structure realizes tensioning by the warping force of torsion spring, the end contact position is to mesh to realize by tooth bar and tooth head, in the time of separately, torsion spring power need to be overcome and the pawl switching will be detained, tooth head and tooth bar are separated, and are not easily but this body structure causes this separation, if use the controlling mechanism of this structure, need to tooth bar be set at pipe fitting, cumbersome.
Summary of the invention
The invention provides and a kind ofly be different from locking element of the prior art and adopt the mode of pulling button to clamp pipe fitting, adopt a kind of structure of clip mode to realize clamping the telescopic locking mechanism of pipe fitting.
The present invention has solved also that the mode with ratchet clamps pipe fitting in the prior art, regulates the shortcoming of inconvenience, provides a kind of means of fixation that adopts clip to realize clamping the telescopic locking mechanism of pipe fitting.
The present invention has also solved in the prior art and to have used torsion spring to fix the button pawl need to overcome torsion spring power will detain the pawl switching when separating, cause and separate inconvenient shortcoming, providing a kind of need Compress Spring can unclamp pipe fitting realizes stretching telescopic locking mechanism easy to use.
The technical solution adopted for the present invention to solve the technical problems is: a kind of telescopic locking mechanism, comprise the female connector and the junction button that connect upper, lower tube, female connector and junction button are hinged, the end of one end of female connector and the end of upper pipe or lower pipe is fixed, the sidewall of the other end place section that takes over offers breach, is provided with spring between junction button and the female connector, and junction button inside has a buckle home, buckle home extend in the breach, and the end face of buckle home is inner towards taking over.The pipe fitting that the general connection diameter of female connector is larger, the pipe fitting that diameter is little is inserted into the large inside pipe fitting of diameter, spring connects female connector and junction button, so that female connector and junction button form the structure of similar clip, after in the little pipe fitting of diameter is inserted into the large pipe fitting of diameter, under the spring action, the buckle home of junction button extend in the breach, the end face of buckle home withstands the outer wall of the little pipe fitting of diameter, produce clamping force by the elastic force of spring, regulates more convenient, in the time of adjusting length, as unclamping clip, pinch the female connector of junction button, with spring-compressed, this moment, the end face of buckle home just was separated with the pipe fitting outer wall, thereby can realize stretching, use easily.
As preferably, the upper end interference of the lower end of female connector and lower pipe is fixed, and the gap portions of female connector is provided with in-flanges, and the outside of flange under the breach is withstood in the upper end of lower pipe.Female connector also can be to fix with upper pipe, fixing mode also can be that other are fixed or be welded and fixed such as spiral, the employing interference is fixed, convenient in the future retubing, the periphery of breach arranges in-flanges, can strengthen position, female connector breach place, provide the location to use when in-flanges can also give lower pipe fixedly simultaneously.
As preferably, the lower end of upper pipe is fixed with plug, and plug extend in the end of lower pipe.The plug of upper pipe lower end can prevent that pipe from extracting in lower pipe in lower pipe, it is poor that upper pipe and lower pipe have diameter, can play leading role to upper pipe flexible by plug, and this can prevent also that pipe from extending into and slide when longer in the lower pipe.
As preferably, the side of plug is provided with limited part, the vertical plane overlaid at the vertical plane at limited part place and breach in-flanges place.Limited part has limited plug and has extracted from the end of lower pipe, and two planes are overlapping, so that plug is when rising to lower pipe upper end portion, limited part contacts with the in-flanges of indentation, there, thereby plays the effect of placing restrictions on.
As preferably, female connector is provided with bearing in the both sides of gap portions, and junction button and bearing are hinged and by spring and female connector tensioning.After tensioned junction button and the female connector, can rotate around bearing after the connection, form the structure of clip, break-in is transformed into clamping force to the elastic force of spring through bearing.
As preferably, the position that junction button internal surface and bearing match is provided with the ear seat, and the centre of buckle home has circular hole, and buckle home is hinged on ear seat and the bearing by circular hole.Buckle home herein and junction button body are for separating shape, buckle home is around the axis rotation of circular hole, buckle home also can be structure as a whole with the body of junction button simultaneously, can not produce relative rotation between buckle home and the junction button body, can also reduce assembling difficulty like this, just relatively can improve the complexity of junction button mould.
As preferably, buckle home is L-shaped, is provided with latch on the outer side surface on a L shaped limit, and the profile line that the latch top is linked to be is arc.Buckle home is L-shaped to be to prevent that buckle home from disorderly turning in lax, L shaped both sides form spacing structure, latch contacts with the outer wall of upper pipe can improve frictional force, increase chucking power, buckle home is along with the junction button body rotates simultaneously, and the profile design camber of latch end can be increased the validity that latch contacts with upper pipe outer wall.
As preferably, the junction button internal surface also is provided with the pushed section, the rectangular shape in pushed section, and the L shaped angle of pushed section and buckle home is corresponding and withstand this angle.Buckle home be connected body for being rotationally connected, the shape of pushed section is corresponding with the shape of buckle home angle, can withstand buckle home by the pushed section, thereby transmit clamping force by the pushed section to buckle home.
As preferably, female connector is provided with cylindrical cavity on the surface of a side that connects junction button, and the corresponding position of junction button is fixed with cylindrical cavity, and cylindrical cavity inside is provided with cylindrical body, is connected with spring between two cylindrical cavities.Spring is to be nested with on cylindrical body when connecting female connector and junction button, and cylindrical cavity and cylindrical body are spacing in conjunction with spring is carried out, and prevent that spring from coming off.
As preferably, the outer surface of junction button is provided with some parallel tread plates, and the outer surface of female connector is provided with some parallel grooves.Tread plate can increase frictional force, improves the validity that junction button rotates.
The invention has the beneficial effects as follows: junction button and female connector form a kind of clip structure, conveniently regulate the flexible of pipe fitting, and convenient with the locking mechanism separation, thus the release clamping force.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is a kind of explosive view of the present invention;
Fig. 3 is the another kind of explosive view of the present invention;
Among the figure: 1, female connector, 2, groove, 3, plug, 4, lower pipe, 5, limited part, 6, cylindrical cavity, 7, cylindrical body, 8, tread plate, 9, junction button, 10, buckle home, 11, the pushed section, 12, breach, 13, latch, 14, in-flanges, 15, upper pipe, 16, square knuckle, 17, bearing, 18, circular hole, 19, the ear seat, 20, slideway.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, technological scheme of the present invention is described in further detail.
Embodiment: a kind of telescopic locking mechanism (referring to accompanying drawing 1 accompanying drawing 2 accompanying drawings 3), be the female connector 1 of through hole and junction button 9 in the middle of comprising, the periphery wall of female connector 1 arranges groove 2, the outer wall of female connector 1 is provided with the plane, the lower end position at place, plane is fixed with cylindrical cavity 6 radially, and the upper end position at place, plane is provided with rectangular breach 12, and the periphery of breach 12 arranges in-flanges 14, the side of breach 12 is fixed with bearing 17, is provided with hinging hole on the bearing 17.
Junction button inside is provided with ear seat 19, bearing 17 on ear seat 19 and the female connector 1 is hinged, be hinged with buckle home 10 by bearing pin between the ear seat 19, buckle home 10 is L-shaped, be provided with circular hole 18 in L shaped corner, be provided with latch 13 on the outer side surface on a L shaped limit, the profile line that latch 13 tops are linked to be is arc, junction button 9 internal surfaces also are provided with pushed section 11, pushed section 11 rectangular shapes, and pushed section 11 is corresponding with the angle of buckle home 10L shape and withstand this angle, the lower end position of junction button 9 internal surfaces is provided with cylindrical cavity 6, be provided with cylindrical body 7 in the cylindrical cavity, the outer surface of junction button 9 arranges the tread plate 8 of the parallel projection in three roads, the cross section semicircular in shape of tread plate 8.
Above-described embodiment is a kind of preferred version of the present invention, is not the present invention is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technological scheme that claim puts down in writing.
Claims (9)
1. telescopic locking mechanism, comprise the female connector and the junction button that connect upper, lower tube, it is characterized in that female connector and junction button are hinged, the end of one end of female connector and the end of upper pipe or lower pipe is fixed, the sidewall of the other end place section of female connector offers breach, is provided with spring between junction button and the female connector, and junction button inside has a buckle home, buckle home extend in the breach, and the end face of buckle home is inner towards female connector; The upper end interference of the lower end of female connector and lower pipe is fixed, and the gap portions of female connector is provided with in-flanges, and the outside of breach in-flanges is withstood in the upper end of lower pipe.
2. telescopic locking mechanism according to claim 1 is characterized in that the lower end of pipe is fixed with plug, and plug extend in the end of lower pipe.
3. telescopic locking mechanism according to claim 2 is characterized in that the side of plug is provided with limited part, the vertical plane overlaid at the vertical plane at limited part place and breach in-flanges place.
4. telescopic locking mechanism according to claim 1 is characterized in that female connector is provided with bearing in the both sides of gap portions, and junction button and bearing are hinged and by spring and female connector tensioning.
5. telescopic locking mechanism according to claim 4 is characterized in that the position that junction button internal surface and bearing match is provided with the ear seat, and the centre of buckle home has circular hole, and buckle home is hinged on ear seat and the bearing by circular hole.
6. telescopic locking mechanism according to claim 5 is characterized in that buckle home is L-shaped, is provided with latch on the outer side surface on a L shaped limit, and the profile line that the latch top is linked to be is arc.
7. telescopic locking mechanism according to claim 5 is characterized in that the junction button internal surface also is provided with the pushed section, the rectangular shape in pushed section, and the L shaped angle of pushed section and buckle home is corresponding and withstand this angle.
8. telescopic locking mechanism according to claim 1, it is characterized in that female connector is provided with cylindrical cavity on the surface of a side that connects junction button, the corresponding position of junction button is fixed with cylindrical cavity, and the cylindrical cavity inside of junction button is provided with cylindrical body, is connected with spring between two cylindrical cavities.
9. telescopic locking mechanism according to claim 1 is characterized in that the outer surface of junction button is provided with some parallel tread plates, and the outer surface of female connector is provided with some parallel grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010230128 CN101893022B (en) | 2010-07-19 | 2010-07-19 | Telescopic locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010230128 CN101893022B (en) | 2010-07-19 | 2010-07-19 | Telescopic locking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101893022A CN101893022A (en) | 2010-11-24 |
| CN101893022B true CN101893022B (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010230128 Active CN101893022B (en) | 2010-07-19 | 2010-07-19 | Telescopic locking mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN101893022B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106884835A (en) * | 2017-03-01 | 2017-06-23 | 陈婷 | A kind of wolfram steel milling cutter is rinsed and uses adjustable type telescoping tube |
| CN107654813A (en) * | 2017-11-13 | 2018-02-02 | 天津中德应用技术大学 | Foldable A-frame |
| CN107711071B (en) * | 2017-11-23 | 2024-02-02 | 华北理工大学 | Adjustable multifunctional fruit picker |
| CN109106455B (en) * | 2018-08-15 | 2020-09-04 | 南京市妇幼保健院 | Medical wrist strap and adjustable medical wrist strap lock catch thereof |
| CN113847313B (en) * | 2021-09-14 | 2023-03-24 | 海安奥克机械制造有限公司 | Automatic positioning and locking device for lifting equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2671429Y (en) * | 2003-08-06 | 2005-01-19 | 杭州恒丰皮革制品有限公司 | Chair leg tube height regulator |
| CN2705650Y (en) * | 2004-05-24 | 2005-06-22 | 王主玉 | Telescopic rod positioner |
| CN2813966Y (en) * | 2005-08-30 | 2006-09-06 | 韩京姬 | Telescopic connecting pipe |
| CN201043655Y (en) * | 2007-04-18 | 2008-04-02 | 齐大卫 | Special shaped water pipe with length regulating mechanism |
-
2010
- 2010-07-19 CN CN 201010230128 patent/CN101893022B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2671429Y (en) * | 2003-08-06 | 2005-01-19 | 杭州恒丰皮革制品有限公司 | Chair leg tube height regulator |
| CN2705650Y (en) * | 2004-05-24 | 2005-06-22 | 王主玉 | Telescopic rod positioner |
| CN2813966Y (en) * | 2005-08-30 | 2006-09-06 | 韩京姬 | Telescopic connecting pipe |
| CN201043655Y (en) * | 2007-04-18 | 2008-04-02 | 齐大卫 | Special shaped water pipe with length regulating mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101893022A (en) | 2010-11-24 |
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Address after: 313200 860 North Lake East Street, Wu Kang Town, Deqing County, Zhejiang Patentee after: Zhejiang taipusen Industrial Group Co., Ltd. Address before: 313200 North Lake East Street, Wu Kang Town, Deqing County, Hangzhou, Zhejiang 860 Patentee before: Zhejiang Taipusen Leisure Products Co., Ltd. |
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| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201119 Address after: No.68, Yongping North Road, Wukang Town, Deqing County, Huzhou City, Zhejiang Province Patentee after: Zhejiang taipson Technology Co., Ltd Address before: 313200 Zhejiang province Deqing County Wukang town of North Lake Street No. 860 Patentee before: Zhejiang Hengfeng Top Leisure Co.,Ltd. |
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| TR01 | Transfer of patent right |