CN105134704A - Pipe connecting piece with built-in type locking mechanism - Google Patents
Pipe connecting piece with built-in type locking mechanism Download PDFInfo
- Publication number
- CN105134704A CN105134704A CN201510439144.1A CN201510439144A CN105134704A CN 105134704 A CN105134704 A CN 105134704A CN 201510439144 A CN201510439144 A CN 201510439144A CN 105134704 A CN105134704 A CN 105134704A
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- lever
- connecting tube
- arc
- ring body
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a pipe connecting piece with a built-in type locking mechanism. The pipe connecting piece comprises a connecting pipe, a lever and a lock ring. The inner wall of the connecting pipe inwards stretches out to form a support. The lever penetrates the connecting pipe and the support in a connecting manner and with the support as a pivot. The outer side end of the lever is convexly provided with an ejector block in the direction perpendicular to the lever, and the connecting pipe is provided with a penetrating hole corresponding to the ejector block in position, wherein the ejector block penetrates the penetrating hole. The lock ring comprises a ring body and an arc pressing block inwards stretching in the radial direction of the inner wall of the ring body. The ring body is arranged outside the connecting pipe in a sleeving manner and is in running fit with the connecting pipe. The arc pressing block penetrates the connecting pipe, and the arc pressing block abuts against the inner side end of the lever and is in sliding fit with the inner side end of the lever. The connecting pipe can be stably and conveniently locked through the pipe connecting piece, and the service life is long.
Description
Technical field
The present invention relates to tubular union, particularly relate to a kind of built-in locking mechanism tubular union.
Background technique
Handrail, guardrail, water pipe often with pipe fitting composition, connect at needs, turning need arrange tubular union, at present, pipe connect Placement mostly be welding or be threaded.But the threaded connection place cracky of this Placement, not easily, the life-span is short in mounting or dismounting.
Existing a kind of tubular union connected by wedging mode, disclosed in Chinese invention patent, the patent No. is the tubular union of the built-in locking mechanism with uniqueness of 201210092727.8, it, by the mode of inclined-plane wedging slide block, increases expanding force and the frictional force of slide block and institute's connection pipe fitting.But, driving mode due to its wedging is the screw-thread fit of screw, do not possess the fine-tuning capability to slide bar vertical direction, therefore, inclined-plane also will after long-term use with coordinating of slide block, due to stressed fatigue, easily produces sawtooth or step on inclined-plane, the movement of slide block will be captured between in the opening that matches, thus loses wedging ability; In addition, scheme disclosed in above-mentioned patent due to by the interference of slide bar, connects between the pipe fitting not being suitable for water flowing, ventilation.
Summary of the invention
In order to overcome the deficiencies in the prior art, the object of the present invention is to provide a kind of built-in locking mechanism tubular union, can stable to institute's connection pipe fitting, conveniently lock, and long service life.
Object of the present invention realizes by the following technical solutions:
A kind of built-in locking mechanism tubular union, comprise connecting tube, lever and lock ring, the inwall of connecting tube is inwardly extended with bearing; Lever penetrates connecting tube, and is connected to bearing and using bearing as fulcrum, and the outboard end of this lever is convexly equipped with jacking block along the direction perpendicular to lever, connecting tube has the perforation that and confession jacking block corresponding with jacking block position penetrates; The arc briquetting that lock ring comprises ring body and radially-inwardly stretched out by inner wall of ring body, it is outer and be rotatably assorted with connecting tube that ring body is set in connecting tube, and arc briquetting penetrates in connecting tube, and this arc briquetting abuts with the medial extremity of lever and is slidably matched.
Preferably, the tube wall of connecting tube has arc-shaped limit groove, is connected with limiting stopper between ring body and arc briquetting.
Preferably, be connected with the arc sealing plate coaxial with connecting tube between limiting stopper and arc-shaped limit groove, this arc sealing plate is slidably matched with the inner wall sealing of connecting tube.
Preferably, bearing is a semicircular rings button, and lever support is in this semicircle collar extension and form support point, and the lever of these support point both sides is convexly equipped with block respectively vertically downward.
Compared to existing technology, beneficial effect of the present invention is:
The present invention is by rotating ring body easily, the medial extremity of arc briquetting extrusion lever can be made, thus make lever under the effect of bearing as fulcrum, the outboard end of lever is made to tilt, namely jacking block passes in boring a hole, to support cooperation be connected pipe fitting, thus form frictional force and expanding force, realize the stable connection of pipe fitting, more crucially be, outboard end due to lever arranges jacking block and directly acts on connected pipe fitting as power unit, if then arc briquetting has breakage, only need further manual rotation ring body, then can keep applying required pressure to the medial extremity of lever, to reach required coupling mechanism force, therefore longer service life of the present invention, also jacking block can be prevented stuck and lost efficacy by wedging.
Accompanying drawing explanation
Fig. 1 is the sectional view of the built-in locking mechanism tubular union of the present invention;
Fig. 2 is the side view of lock ring of the present invention.
In figure: 1, connecting tube; 11, bearing; 12, bore a hole; 13, arc-shaped limit groove; 2, lever; 21, jacking block; 22, block; 3, lock ring; 31, ring body; 32, arc briquetting; 33, limiting stopper; 34, arc sealing plate.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the present invention is described further:
The built-in locking mechanism tubular union of one as shown in Fig. 1 ~ 2, comprises connecting tube 1, lever 2 and lock ring 3, and the inwall of connecting tube 1 is inwardly extended with bearing 11; Lever 2 penetrates connecting tube 1, and is connected to bearing 11 and using bearing 11 as fulcrum, and the outboard end of this lever 2 is convexly equipped with jacking block 21 along the direction perpendicular to lever 2, connecting tube 1 has the perforation 12 that and confession jacking block 21 corresponding with jacking block 21 position penetrates; The arc briquetting 32 that lock ring 3 comprises ring body 31 and radially-inwardly stretched out by ring body 31 inwall, it is outer and be rotatably assorted with connecting tube 1 that ring body 31 is set in connecting tube 1, arc briquetting 32 penetrates in connecting tube 1, and this arc briquetting 32 abuts with the medial extremity of lever 2 and is slidably matched.
During use, connected pipe fitting is set in connecting tube 1 one end of this built-in locking mechanism tubular union, by rotating ring body 31 easily, the medial extremity of arc briquetting 32 extrusion lever 2 can be made, thus make lever 2 at bearing 11 as under the effect of fulcrum, the outboard end of lever 2 is made to tilt, namely jacking block 21 passes by perforation 12, to support cooperation be connected pipe fitting, thus form frictional force and expanding force, realize the stable connection of pipe fitting, more crucially be, outboard end due to lever 2 arranges jacking block 21 and directly acts on connected pipe fitting as power unit, if then arc briquetting 32 has breakage, only need further manual rotation ring body 31, then can keep applying required pressure to the medial extremity of lever 2, to reach required coupling mechanism force, therefore the longer service life of this built-in locking mechanism tubular union, also jacking block 21 can be prevented stuck and lost efficacy by wedging.
Wherein, ring body 31 is beneficial to and holds rear manual rotation, lever 2, lock ring 3 and bearing 11 constitute locking mechanism, this locking mechanism is mainly built in connecting tube 1, neither affect outward appearance, facilitate again the connection between pipe fitting and pipe fitting, interfere to avoid producing between pipe fitting and this built-in locking mechanism tubular union.In addition, because lever 2 only makes rocking action, therefore the mouth of pipe of connecting tube 1 is without the need to closing, and lever 2 is also without the need to blocking connecting tube 1, and therefore this built-in locking mechanism tubular union is applicable to the pipe fitting connection of water flowing, ventilation.
For the situation that two pipe fittings connect, lock ring 3, lever 2 and bearing 11 can be all set at the two ends of connecting tube 1; For the situation that more than three pipe fittings connect, connecting tube 1 may correspond to offers connecting end, arranges lock ring 3, lever 2 and bearing 11 at the connecting end of this correspondence.
For carrying out spacing to the rotation of ring body 31, compressing lever 2 medial extremity is kept within the specific limits to make arc briquetting 32, prevent dislocation, the tube wall of connecting tube 1 has arc-shaped limit groove 13, limiting stopper 33 is connected with between ring body 31 and arc briquetting 32, under the restriction of restraining groove, limiting stopper 33 only can rotate between the two ends cell wall of arc-shaped limit groove 13, the arc briquetting 32 that then ring body 31 drives also rotates in the scope limited, the angle adjustment of this rotation, correspondence is formed the pressure of lever 2 medial extremity is regulated, and then form jacking block 21 to the frictional force of institute's connecting tube 1, expanding force regulates.
For the adaptive pipe fitting connection being used for water flowing, ventilation further, be connected with the arc sealing plate 34 coaxial with connecting tube 1 between limiting stopper 33 and arc-shaped limit groove 13, this arc sealing plate 34 is slidably matched with the inner wall sealing of connecting tube 1.Under the effect of arc sealing plate 34, under the rotating prerequisite of guarantee ring body 31, restraining groove can be closed.
For strengthening stability further, bearing 11 is a semicircular rings button, and lever 2 support is in this semicircle collar extension and form support point, and the lever 2 of these support point both sides is convexly equipped with block 22 respectively vertically downward.Two blocks 22 spacing under, corresponding fulcrum can not be shifted by support point, can effectively prevent lever 2 from misplacing with coordinating of bearing 11 and causing jacking block 21 stuck in perforation 12 further.
To one skilled in the art, according to technological scheme described above and design, other various corresponding change and deformation can be made, and all these change and deformation all should belong within the protection domain of the claims in the present invention.
Claims (4)
1. a built-in locking mechanism tubular union, is characterized in that, comprises connecting tube, lever and lock ring, and the inwall of connecting tube is inwardly extended with bearing; Lever penetrates connecting tube, and is connected to bearing and using bearing as fulcrum, and the outboard end of this lever is convexly equipped with jacking block along the direction perpendicular to lever, connecting tube has the perforation that and confession jacking block corresponding with jacking block position penetrates; The arc briquetting that lock ring comprises ring body and radially-inwardly stretched out by inner wall of ring body, it is outer and be rotatably assorted with connecting tube that ring body is set in connecting tube, and arc briquetting penetrates in connecting tube, and this arc briquetting abuts with the medial extremity of lever and is slidably matched.
2. built-in locking mechanism tubular union according to claim 1, is characterized in that, the tube wall of connecting tube has arc-shaped limit groove, is connected with limiting stopper between ring body and arc briquetting.
3. built-in locking mechanism tubular union according to claim 2, is characterized in that, is connected with the arc sealing plate coaxial with connecting tube between limiting stopper and arc-shaped limit groove, and this arc sealing plate is slidably matched with the inner wall sealing of connecting tube.
4. the built-in locking mechanism tubular union according to any one of claims 1 to 3, it is characterized in that, bearing is a semicircular rings button, and lever support is in this semicircle collar extension and form support point, and the lever of these support point both sides is convexly equipped with block respectively vertically downward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510439144.1A CN105134704B (en) | 2015-07-22 | 2015-07-22 | A kind of built-in retaining mechanism pipe connections |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510439144.1A CN105134704B (en) | 2015-07-22 | 2015-07-22 | A kind of built-in retaining mechanism pipe connections |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105134704A true CN105134704A (en) | 2015-12-09 |
| CN105134704B CN105134704B (en) | 2017-08-04 |
Family
ID=54720201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510439144.1A Expired - Fee Related CN105134704B (en) | 2015-07-22 | 2015-07-22 | A kind of built-in retaining mechanism pipe connections |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105134704B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608342A (en) * | 2019-09-24 | 2019-12-24 | 上海锦铝金属制品有限公司 | Pipe connector with unique built-in plugging mechanism |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007113685A (en) * | 2005-10-20 | 2007-05-10 | Yazaki Ind Chem Co Ltd | Joint for pipe body and connection structure of pipe body |
| CN201190876Y (en) * | 2008-04-16 | 2009-02-04 | 佛山市南海祥旺光学电子制品有限公司 | Rotating expansion positioning pin tube |
| CN201627793U (en) * | 2010-03-16 | 2010-11-10 | 秋野地(厦门)露营用品有限公司 | Locating structure of extension rod piece |
| CN202145512U (en) * | 2011-08-11 | 2012-02-15 | 李境杰 | Power socket with improved structure |
| CN203189445U (en) * | 2013-03-12 | 2013-09-11 | 厦门优力播休闲用品有限公司 | Positioning device |
| CN104343778A (en) * | 2014-10-31 | 2015-02-11 | 重庆市南川区泰城钢化玻璃制品有限责任公司 | Slide bar with function of self locking |
| CN105570968A (en) * | 2016-02-27 | 2016-05-11 | 丹阳正联知识产权运营管理有限公司 | Electrothermal type medium heater with humidifying function |
-
2015
- 2015-07-22 CN CN201510439144.1A patent/CN105134704B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007113685A (en) * | 2005-10-20 | 2007-05-10 | Yazaki Ind Chem Co Ltd | Joint for pipe body and connection structure of pipe body |
| CN201190876Y (en) * | 2008-04-16 | 2009-02-04 | 佛山市南海祥旺光学电子制品有限公司 | Rotating expansion positioning pin tube |
| CN201627793U (en) * | 2010-03-16 | 2010-11-10 | 秋野地(厦门)露营用品有限公司 | Locating structure of extension rod piece |
| CN202145512U (en) * | 2011-08-11 | 2012-02-15 | 李境杰 | Power socket with improved structure |
| CN203189445U (en) * | 2013-03-12 | 2013-09-11 | 厦门优力播休闲用品有限公司 | Positioning device |
| CN104343778A (en) * | 2014-10-31 | 2015-02-11 | 重庆市南川区泰城钢化玻璃制品有限责任公司 | Slide bar with function of self locking |
| CN105570968A (en) * | 2016-02-27 | 2016-05-11 | 丹阳正联知识产权运营管理有限公司 | Electrothermal type medium heater with humidifying function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608342A (en) * | 2019-09-24 | 2019-12-24 | 上海锦铝金属制品有限公司 | Pipe connector with unique built-in plugging mechanism |
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| Publication number | Publication date |
|---|---|
| CN105134704B (en) | 2017-08-04 |
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Granted publication date: 20170804 Termination date: 20200722 |