CN105134704B - A kind of built-in retaining mechanism pipe connections - Google Patents
A kind of built-in retaining mechanism pipe connections Download PDFInfo
- Publication number
- CN105134704B CN105134704B CN201510439144.1A CN201510439144A CN105134704B CN 105134704 B CN105134704 B CN 105134704B CN 201510439144 A CN201510439144 A CN 201510439144A CN 105134704 B CN105134704 B CN 105134704B
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- connecting tube
- lever
- block
- arc
- bearing
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a kind of built-in retaining mechanism pipe connections, including 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 the lever is provided with the perforation that and confession jacking block corresponding with jacking block position is penetrated along being convexly equipped with perpendicular to the direction of lever in jacking block, connecting tube；Lock ring includes ring body and the arc compression block radially-inwardly stretched out by inner wall of ring body, and ring body is set in outside connecting tube and is rotatably assorted with connecting tube, and arc compression block is penetrated in connecting tube, and the arc compression block is abutted and is slidably matched with the medial extremity of lever.The present invention stable, convenient to institute's connecting pipe can be locked, and service life is long.
Description
Technical field
The present invention relates to pipe connections, more particularly to a kind of built-in retaining mechanism pipe connections.
Background technology
Handrail, guardrail, water pipe are often constituted with pipe fitting, and pipe connections, at present, Guan Lian need to be set needing connection, turning
The connected mode connect is generally welding or threaded connection.However, the threaded connection place cracky of this connected mode, assembly and disassembly are not
Easily, short life.
A kind of existing pipe connections connected by wedging mode, the Patent No. as disclosed in Chinese invention patent
201210092727.8 pipe connections with unique built-in retaining mechanism, its by way of inclined-plane wedging sliding block,
To increase sliding block and the expanding force and frictional force of institute's connecting pipe.However, because the type of drive of its wedging is the screw thread of screw
Coordinate, do not possess the fine-tuning capability to slide bar vertical direction, therefore, the cooperation of inclined-plane and sliding block also will after long-term use, by
In stress fatigue, sawtooth or step are also easy to produce on inclined-plane, the movement of sliding block will be captured between in matching opening, so as to lose
Go wedging ability；In addition, scheme disclosed in above-mentioned patent due to being disturbed by slide bar, be not suitable for water flowing, ventilation pipe fitting it
Between connect.
The content of the invention
In order to overcome the deficiencies in the prior art, connected it is an object of the invention to provide a kind of built-in retaining mechanism pipe
Part, stable, convenient to institute's connecting pipe can be locked, and service life is long.
The purpose of the present invention is realized using following technical scheme：
A kind of built-in retaining mechanism pipe connections, including connecting tube, lever and lock ring, the inwall of connecting tube inwardly stretch out
There is bearing；Lever penetrates connecting tube, and is connected to bearing and using bearing as fulcrum, the outboard end of the lever is along perpendicular to lever
Direction be convexly equipped with perforation that is corresponding with jacking block position and penetrating for jacking block be provided with jacking block, connecting tube；Lock ring include ring body and
The arc compression block radially-inwardly stretched out by inner wall of ring body, ring body is set in outside connecting tube and is rotatably assorted with connecting tube, arc pressure
Block is penetrated in connecting tube, and the arc compression block is abutted and is slidably matched with the medial extremity of lever；The tube wall of connecting tube is provided with arc limit
Position groove, is connected with limited block between ring body and arc compression block.
Preferably, the arc sealing plate coaxial with connecting tube is connected between limited block and arc-shaped limit groove, the arc is close
Shrouding and the inner wall sealing of connecting tube are slidably matched.
Preferably, bearing is a semicircular rings button, and lever support is in the semicircle collar extension and forms support point, the support point
It is respectively perpendicular on the lever of both sides and is convexly equipped with block downwards.
Compared with prior art, the beneficial effects of the present invention are：
The present invention is by easily rotating ring body, you can make the medial extremity of arc compression block extrusion lever, so that lever exists
In the presence of bearing is as fulcrum, the outboard end of lever is made to tilt, i.e., jacking block is passed in perforation, to be supported with the pipe fitting being connected
Top coordinates, so as to form frictional force and expanding force, being stably connected with for pipe fitting is realized, more it is crucial that because the outboard end of lever is set
Top set block directly acts on connected pipe fitting as execution unit, if then arc compression block has breakage, it is only necessary to further rotation manually
Change body, then can keep pressure needed for applying to the medial extremity of lever, to reach required coupling mechanism force, therefore the use of the present invention
Life-span is longer, can also prevent jacking block stuck and fail by wedging.
Brief description of the drawings
Fig. 1 is the sectional view of built-in retaining mechanism pipe connections of the invention；
Fig. 2 is the side view of lock ring of the present invention.
In figure：1st, connecting tube；11st, bearing；12nd, perforate；13rd, arc-shaped limit groove；2nd, lever；21st, jacking block；22nd, block；
3rd, lock ring；31st, ring body；32nd, arc compression block；33rd, limited block；34th, arc sealing plate.
Embodiment
Below, with reference to accompanying drawing and embodiment, the present invention is described further：
A kind of built-in retaining mechanism pipe connections as shown in Fig. 1~2, including connecting tube 1, lever 2 and lock ring 3, even
The inwall of adapter 1 is inwardly extended with bearing 11；Lever 2 penetrates connecting tube 1, and is connected to bearing 11 and is used as branch using bearing 11
Point, the outboard end edge of the lever 2 is convexly equipped with jacking block 21, connecting tube 1 perpendicular to the direction of lever 2 to be provided with and the position pair of jacking block 21
The perforation 12 that should and be penetrated for jacking block 21；Lock ring 3 includes ring body 31 and the arc compression block radially-inwardly stretched out by the inwall of ring body 31
32, ring body 31 is set in outside connecting tube 1 and is rotatably assorted with connecting tube 1, and arc compression block 32 is penetrated in connecting tube 1, the arc pressure
Block 32 is abutted and is slidably matched with the medial extremity of lever 2.
In use, the pipe fitting connected to be set in one end of connecting tube 1 of this built-in retaining mechanism pipe connections, pass through
Ring body 31 is easily rotated, you can make the medial extremity of the extrusion lever 2 of arc compression block 32, so that lever 2 is used as branch in bearing 11
In the presence of point, the outboard end of lever 2 is made to tilt, i.e., jacking block 21 is passed in perforation 12, is matched somebody with somebody to be supported with the pipe fitting being connected
Close, so as to form frictional force and expanding force, realize being stably connected with for pipe fitting, more it is crucial that because the outboard end of lever 2 sets top
Block 21 directly acts on connected pipe fitting as execution unit, if then arc compression block 32 has breakage, it is only necessary to further rotation manually
Change body 31, then can keep pressure needed for applying to the medial extremity of lever 2, to reach required coupling mechanism force, therefore this is built-in
The service life of retaining mechanism pipe connections is longer, can also prevent jacking block 21 stuck and fail by wedging.
Wherein, ring body 31 is beneficial to manual rotation after grip, and lever 2, lock ring 3 and bearing 11 constitute retaining mechanism, the lock
Tight mechanism is mainly built in connecting tube 1, neither influences outward appearance, the connection between pipe fitting and pipe fitting is facilitated again, to avoid pipe
Interference is produced between part and the built-in retaining mechanism pipe connections.Further, since lever 2 only makees rocking action, therefore connection
The mouth of pipe of pipe 1 is without closing, and lever 2 is without blocking connecting tube 1, therefore this built-in retaining mechanism pipe connections is suitable for logical
Water, the pipe fitting connection of ventilation.
For the situation of two pipe fitting connections, lock ring 3, lever 2 and bearing 11 can be respectively provided with the two ends of connecting tube 1；It is right
In the situation of more than three pipe fittings connection, connecting tube 1 can then correspond to and open up connection end, set in the corresponding connection end lock ring 3,
Lever 2 and bearing 11.
It is spacing to be carried out to the rotation of ring body 31, so that arc compression block 32 is kept to the medial extremity of lever 2 within the specific limits
Compress, prevent dislocation, the tube wall of connecting tube 1 is provided with arc-shaped limit groove 13, connects limited between ring body 31 and arc compression block 32
Position block 33, under the limitation of stopper slot, limited block 33 is only capable of rotating between the two ends cell wall of arc-shaped limit groove 13, then ring body 31
The arc compression block 32 driven will also be rotated in the range of restriction, and the angular adjustment of the rotation will be correspondingly formed in lever 2
The pressure regulation of side, and then form the frictional force of 21 pairs of institute's connecting tubes 1 of jacking block, expanding force regulation.
To be further adapted for the pipe fitting connection of water flowing, ventilation, it is connected between limited block 33 and arc-shaped limit groove 13
The arc sealing plate 34 coaxial with connecting tube 1, the arc sealing plate 34 and the inner wall sealing of connecting tube 1 are slidably matched.In arc
In the presence of sealing plate 34, stopper slot can be closed under the premise of ensureing that ring body 31 is rotatable.
To further enhance stability, bearing 11 is a semicircular rings button, and the support of lever 2 is in the semicircle collar extension and is formed
It is respectively perpendicular on support point, the lever 2 of the support point both sides and is convexly equipped with block 22 downwards.Two blocks 22 it is spacing under, support
Correspondence fulcrum without shifting, further can effectively be prevented the cooperation dislocation of lever 2 and bearing 11 and cause jacking block 21 to block by point
Extremely in perforation 12.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
It is corresponding to change and deformation, and all these change and deformation should all belong to the protection domain of the claims in the present invention
Within.
Claims (3)
1. a kind of built-in retaining mechanism pipe connections, it is characterised in that including connecting tube, lever and lock ring, connecting tube it is interior
Wall is inwardly extended with bearing；Lever penetrates connecting tube, and is connected to bearing and using bearing as fulcrum, the outboard end edge of the lever
It is convexly equipped with perpendicular to the direction of lever and perforation that is corresponding with jacking block position and being penetrated for jacking block is provided with jacking block, connecting tube；Lock ring
The arc compression block radially-inwardly stretched out including ring body and by inner wall of ring body, ring body, which is set in outside connecting tube and rotated with connecting tube, matches somebody with somebody
Close, arc compression block is penetrated in connecting tube, and the arc compression block is abutted and is slidably matched with the medial extremity of lever；The tube wall of connecting tube is opened
There is arc-shaped limit groove, limited block is connected between ring body and arc compression block.
2. built-in retaining mechanism pipe connections according to claim 1, it is characterised in that limited block and arc-shaped limit groove
Between be connected with the arc sealing plate coaxial with connecting tube, the inner wall sealing of the arc sealing plate and connecting tube is slidably matched.
3. the built-in retaining mechanism pipe connections according to any one of claim 1~2, it is characterised in that bearing is one
Semicircle latch closure, lever support is in the semicircle collar extension and forms support point, be respectively perpendicular on the lever of the support point both sides to
Under be convexly equipped with block.
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 CN105134704A (en) | 2015-12-09 |
| CN105134704B true 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) |
Families Citing this family (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 (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4741338B2 (en) * | 2005-10-20 | 2011-08-03 | 矢崎化工株式会社 | Pipe joint and pipe connection structure |
| 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 (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105134704A (en) | 2015-12-09 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170804 Termination date: 20200722 |
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