CN109114323A - A kind of assembling pipe joint and rail vehicle - Google Patents
A kind of assembling pipe joint and rail vehicle Download PDFInfo
- Publication number
- CN109114323A CN109114323A CN201811295778.4A CN201811295778A CN109114323A CN 109114323 A CN109114323 A CN 109114323A CN 201811295778 A CN201811295778 A CN 201811295778A CN 109114323 A CN109114323 A CN 109114323A
- Authority
- CN
- China
- Prior art keywords
- sideband
- locating piece
- band
- pipe joint
- assembling pipe
- 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.)
- Pending
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/002—Sleeves or nipples for pipes of the same diameter; Reduction pieces
- F16L21/005—Sleeves or nipples for pipes of the same diameter; Reduction pieces made of elastic material, e.g. partly or completely surrounded by clamping devices
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The present invention discloses a kind of assembling pipe joint, sideband can elastic bending formed and have annular jaggy, the both ends of sideband are in closed ring set band respectively；Locating piece location and installation in band, locating piece can relative edge with rotation；Fastener is contacted with two locating piece cooperations, is applied opposite effect, is kept the both ends of sideband close to each other；When the both ends of sideband are close to each other, the annular size that sideband surrounds constantly reduces, and the shackle member that sideband inner wall can be made to be arranged fits with connected two ring flanges, applies opposite pressing force to two ring flanges, is close to two ring flanges mutually, realizes connection.One group of fastener opposite side band progress drawing is only arranged in the attachment device, and sideband is tightened to the pressing force be converted to ring flange, relative to traditional circumferential form that multiple bolts are arranged and fix, can and greatly improve disassembly efficiency.
Description
Technical field
The present invention relates to rail traffic vehicles technical fields, further relate to a kind of assembling pipe joint.In addition, this hair
It is bright to further relate to a kind of rail vehicle.
Background technique
Rail vehicle is provided with cooling loop, and the heat exchange equipment being related to mainly includes the transformer and arrangement for being arranged in vehicle bottom
In the cooling tower of equipment room, cooling loop connects composition with the oil return pipe for being arranged in vehicle bottom by the oil inlet pipe for being arranged in vehicle bottom,
Junction must assure that sealing is oil-proof, once causing to skid in oil leak to track can not brake, easily cause traffic accident.
Connection between traditional oil inlet pipe, oil return pipe and heat exchange equipment mainly passes through ring flange and bolt realizes that sealing connects
It connects, needs that multiple bolts are installed along ring flange circumferencial direction, since bolt is more and train bottom operating space is narrow, flange
It is that three-dimensional space closes that disk, which fills, tears connection difficulty, especially cooling tower lower part oil pipe mounting flange and transformer oil pipe mounting flange open,
System, if oil pipe both ends all use ring flange and are bolted, mounting hole is difficult to be aligned, and flange face unbalance stress often results in bolt
Stripped thread is even broken, and is made troubles operations such as installation, maintenance, maintenances.
For those skilled in the art, a kind of pipe connecting structure for capableing of fast assembling-disassembling how is designed, is mesh
The preceding technical issues that need to address.
Summary of the invention
The present invention provides a kind of assembling pipe joint, can and the earth riser tubing connection disassembly efficiency, concrete scheme
It is as follows:
A kind of assembling pipe joint, comprising:
Sideband, can elastic bending formed and have annular jaggy, the both ends of the sideband are in closed ring set band respectively；
Shackle member is at least arranged two, is individually fixed on the inner wall of the sideband, the shackle member and connected two
The shape of a ring flange fits, and applies opposite pressing force to two ring flanges；
Locating piece, in the band, the locating piece can rotate location and installation relative to the sideband；
Fastener contacts with two locating piece cooperations, applies opposite active force to two locating pieces, make institute
The both ends for stating sideband are close to each other.
Optionally, the band by the sideband bending fixation formed, the inner wall of the band be provided with can with it is described
The arcwall face of the outer surface fitting of locating piece, the locating piece can be rotated relative to the band.
Optionally, the band by fillet welding or is fully welded fixed formation by the edge and main body of the sideband；The sideband
Edge and main body between also set up plug welding hole.
Optionally, resigning breach is opened up on the band, the first ladder, institute is arranged in the middle part circumferential projection of the locating piece
It states the first ladder and stretches out the axial position being stuck in the resigning breach, to limit the locating piece, the positioning from inside to outside
Second ladder periphery cylindrical surface of block is contacted with the inner wall of the band.
Optionally, perforation setting fastener hole on first ladder, the fastener includes fastening screw and fastening nut,
The fastening screw sequentially passes through two fastener holes, is tensed by the surface that the fastening nut abuts against the locating piece.
Optionally, the axially projecting locking axis of setting in the both ends of the locating piece, what two locating pieces stretched out in the same direction
Anti-release member is set on the locking axis.
Optionally, the anti-release member is strip plate, and the plate face both ends of the anti-release member open up described for making respectively
The anti-porosity of locking axis insertion.
Optionally, at least one setting long waist shaped hole, the length direction of kidney slot and two institutes in two anti-porosities
The line for stating locking axis is in the same direction.
Optionally, the shackle member includes two inclined-planes of section constitution V-shape, two inclined-planes difference of the shackle member
It is bonded with the inclined-plane on two ring flanges.
The present invention also provides a kind of rail vehicles, including assembling pipe joint described in any of the above embodiments.
The present invention provides a kind of assembling pipe joint, sideband can elastic bending formed and have annular jaggy, sideband
Both ends be respectively in closed ring set band；Locating piece location and installation in band, locating piece can relative edge with rotation；Fastener
It is contacted with two locating piece cooperations, applies opposite effect, keep the both ends of sideband close to each other；When the both ends of sideband are close to each other
When, the annular size that sideband surrounds constantly reduces, the shackle member and connected two ring flange phases that sideband inner wall can be made to be arranged
Two ring flanges are applied opposite pressing force, are close to two ring flanges mutually by fitting, realize connection.The attachment device is only
One group of fastener opposite side band is set and carries out drawing, sideband is tightened to the pressing force be converted to ring flange, relative to traditional circumferential
The fixed form of multiple bolts is set, disassembly efficiency can and be greatly improved.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Figure 1A is a kind of axis geodesic structure figure of specific embodiment of assembling pipe joint provided by the invention；
Figure 1B is a kind of front view of specific embodiment of assembling pipe joint provided by the invention；
Fig. 1 C is a kind of top view of specific embodiment of assembling pipe joint provided by the invention；
Fig. 2A is the axis geodesic structure figure of sideband and band；
Fig. 2 B is the front view of sideband and band；
Fig. 3 A is the axis geodesic structure figure of locating piece；
Fig. 3 B is the front view of locating piece；
Fig. 3 C is the side view of locating piece；
Fig. 4 A is the axonometric drawing of anti-release member；
Fig. 4 B is the front view of anti-release member；
Fig. 5 A is shackle member and the mutually matched axis geodesic structure figure of sideband；
Fig. 5 B is the axonometric drawing of shackle member；
Fig. 5 C is shackle member and two mutually matched sectional views of ring flange.
Include: in figure
Sideband 1, band 11, resigning breach 111, shackle member 2, locating piece 3, the first ladder 31, the second ladder 32, locking axis
33, fastener hole 301, fastener 4, fastening screw 41, fastening nut 42, anti-release member 5, anti-porosity 51.
Specific embodiment
Core of the invention is to provide a kind of assembling pipe joint, can and the connection of the earth riser tubing dismounting effect
Rate.
In order to make those skilled in the art more fully understand technical solution of the present invention, below in conjunction with attached drawing and specifically
Embodiment, explanation is described in detail to assembling pipe joint of the invention.
It as shown in Figure 1A, is a kind of axis geodesic structure figure of specific embodiment of assembling pipe joint provided by the invention；Figure 1B
It is respectively the corresponding front view of Figure 1A and top view with Fig. 1 C；The assembling pipe joint include sideband 1, shackle member 2, locating piece 3,
The structures such as fastener 4, sideband 1 have elasticity, can elastic bending formed and have annular jaggy, sideband 1, which can be surrounded on, to be connected
The circumferential direction of two ring flanges connect；Sideband 1 in their extension direction have enough intensity, can not stretcher strain, only can be real
Now it is bent.The both ends of sideband 1 are in closed ring set band 11 respectively, and band 11 is closed ring structure, can be to the both ends of sideband 1
Apply pulling force.
Shackle member 2 is at least arranged two, and setting, each shackle member 2 are individually fixed in sideband 1 to each shackle member 2 independently of each other
Inner wall on, when 1 bending deformation of sideband, the positions of different shackle members 2 is opposite to be changed, and the spacing between shackle member 2 is deformation
Space is provided.The shape of shackle member 2 is relatively fixed, and shackle member 2 can fit with the shape of connected two ring flanges,
Opposite pressing force is applied to two ring flanges.
In in band 11, locating piece 3 is transmitted for bearing pulling force, and by band 11 to sideband 13 location and installation of locating piece
Active force keeps the both ends of sideband 1 close to each other, and entire sideband 1 surrounds the size reduction of annulus.Locating piece 3 can relative edge with 1
Rotation, when the effect of 3 stress of locating piece, no matter how the end positions of sideband 1 change, and locating piece 3 is changed by rotation and side
It with 1 relative angle, remains that the pulling force of two locating pieces 3 is opposite, avoids occurring torque between sideband 1 and band 11, only
The both ends of sideband 1 are made to bear pulling force.
Fastener 4 is contacted with two cooperations of locating piece 3, is applied opposite active force to two locating pieces 3, is made sideband 1
Both ends are close to each other.Since locating piece 3 can be rotated relative to sideband, plane where the annular that rotation axis is surrounded with sideband 1 is mutually hung down
Directly；Assembling pipe joint of the invention is mainly used in the biggish pipeline connection of bore, and fastener 4 needs to apply biggish drawing
Power, when two locating pieces 3 of the fastener 4 to both ends apply pulling force, only applies pulling force to sideband, not to guarantee leakproofness
Apply moment of flexure to it, fastener 4 is also avoided moment of flexure itself occur, guarantees stability when applying pulling force.
When installation, sideband 1 is surrounded on connected two ring flange peripheries, the length of sideband 1 is slightly less than ring flange
Fastener 4 is contacted with two cooperations of locating piece 3, applies opposite pulling force to locating piece 3, locating piece 3 passes through band 11 by perimeter
Pulling force is transmitted to sideband 1, keeps the both ends of sideband 1 close to each other, fastener 4 is located at the indentation, there of sideband 1, sideband 1 and fastener 4
Complete ring-type is collectively formed.
When the both ends of sideband 1 are close to each other by the pulling force of fastener 4, the annular size that sideband 1 surrounds constantly reduces, can
The shackle member 2 that 1 inner wall of sideband is arranged fits with connected two ring flanges, applies opposite compression to two ring flanges
Power is close to two ring flanges mutually, realizes connection；Related 1 deflation effect is converted to the specific shape of the pressing force of ring flange
Formula is detailed in hereinafter.
Assembling pipe joint of the invention is only arranged one group of fastener, 4 opposite side band and carries out drawing, and sideband 1 is tightened and is converted to
Disassembly efficiency can and greatly be improved relative to traditional circumferential form that multiple bolts are arranged and fix to the pressing force of ring flange.
On the basis of above scheme, it is side as shown in Figure 2 A that the present invention provided a kind of band 11, which is preferably provided with scheme,
Axis geodesic structure figure with 1 and band 11, Fig. 2 B are the front view of sideband 1 and band 11；Band 11 bends fixed shape by sideband 1
At the inner wall of band 11 is provided with the arcwall face that can be bonded with the outer surface of locating piece 3, and locating piece 3 can be relative to band
11 rotations.Sideband 1 is the plate structure of strip, itself flexible deformation, the both ends of sideband 1 reversely turn down and the master of sideband 1
Body portion fitting contact, and relatively fixed namely sideband 1 and band 11 are integrated machine-shaping；Using the above structure, sideband 1
Relatively fixed with the position of band 11, band 11 can not be rotated relative to sideband 1, and locating piece 3 is movably arranged in band 11, fixed
The arc surface rotation that position block 3 is arranged relative to 11 inner wall of band.
In addition to this, sideband 1 can also use split type absolute construction with band 11, and band 11 and sideband 1 pass through pin shaft
Rotation connection, rotate band 11 can relative to sideband 1.Locating piece 3 is installed in band 11 at this time, can be relatively solid with band 11
Fixed, locating piece 3 and band 11 are integrated and rotate relative to sideband 1；Locating piece 3 can also keep being rotatablely connected with band 11.More than
The scheme of offer is only two kinds of concrete forms, as long as the form that locating piece 3 can be rotated relative to sideband 1.
For band 11 by the integrally formed structure of sideband 1, band 11 is by the edge and main body of sideband 1 by fillet welding or completely
Solid welding is shaped as, to guarantee bonding strength；Also set up plug welding hole between the edge and main body of sideband 1, by way of plug welding into
One step improves bonding strength.
As shown in Figure 2 A, resigning breach 111 is opened up on band 11, resigning breach 111 is located at band 11 and contacts with locating piece 3
Arcwall face on, resigning breach 111 to open up direction identical as the extending direction of sideband 1；It as shown in Figure 3A, is locating piece 3
Axis geodesic structure figure；The first ladder 31 is arranged in the middle part circumferential projection of locating piece 3, and the radial dimension of the first ladder 31 is greater than other portions
Point, the first ladder 31 is matched along axial width with resigning breach 111, after locating piece 3 protrudes into band 11, the first ladder 31 by
It stretches out and is stuck in resigning breach 111 from inside to outside, to limit the axial position of locating piece 3, even if also locating piece 3 only can be relative to
Band 11 rotates, can not relative translation.
32 periphery of the second ladder of locating piece 3 is cylindrical surface, can be bonded and contact with the inner wall of band 11,11 inner wall of band
The peripheral shape size of arc surface and the second ladder 32 matches, and locating piece 3 is opposite by the arc surface of 32 periphery of the second ladder
Rotation.
As a preferred embodiment, in addition to this, " day " font or " mouth " font etc. can also be used in locating piece 3 to the above structure
Structure, the same effect that can be achieved to rotate relative to band 11, form is specifically arranged in these should all be by protection of the invention.
The present invention provides a kind of fastener 4 and the mutually matched concrete form of locating piece 3 herein, such as Fig. 3 A to Fig. 3 C institute
Show, Fig. 3 B is the front view of locating piece 3, and Fig. 3 C is the side view of locating piece 3；Perforation setting fastener hole 301 on first ladder 31,
The length direction of fastener hole 301 and the axial direction of locating piece 3 are perpendicular；Fastener 4 includes fastening screw 41 and fastening nut 42, tightly
Gu screw rod 41 sequentially passes through two fastener holes 301, tensed by the surface that fastening nut 42 abuts against locating piece 3.Fastening screw 41
One end the bolt head that expands is set, the size of bolt head is greater than the column part of fastening screw main body, fastening screw 41 it is another
External screw thread is arranged in one end outer surface, can realize and be threadedly coupled with fastening nut 42.
Fastening nut 42 and bolt head apply active force to locating piece 3 from both ends respectively, in order to keep contact more firm, the
The periphery of one ladder 31 should be set as plane, and fastening nut 42 and bolt head is made to have bigger contact area.As shown in Figure 3 C,
The rounded rectangle of first ladder 31.
Fastener hole 301 is the unthreaded hole of perforation, and 301 internal diameter of fastener hole is slightly larger than the column part of fastening screw 41, fastener hole
301 internal diameters are less than the size of bolt head and fastening nut 42；Fastening screw 41 can run through from fastener hole 301, as shown in Figure 1A
The bolt head of fastening screw 41 and the locating piece 3 on right side, which cooperate, to be limited, and 41 left end of fastening screw stretches out in the locating piece 3 in left side,
Extension is threadedly coupled fastening nut 42.
The mode that fastening screw 41 and fastener hole 301 are connected by screw bolts is not precluded in the present invention, but this mode is easy to make
At stripped thread, it is unfavorable for later period disassembly.Fastening nut 42 settable two, the fastening nut 42 close to locating piece 3 stops for limiting
Gear, another is for locking.
It is locking in the axially projecting locking axis 33 of setting in the both ends of locating piece 3 on the basis of any of the above-described technical solution
The diameter of axis 33 is less than the second ladder 32, the width summation phase of the width of sideband 1 and the first ladder 31 and two the second ladders 32
Sideband 1 is protruded from Deng, locking axis 33, two locking axis 33 are set on a locating piece 3；Two locating pieces 3 stretch out anti-in the same direction
It is set with anti-release member 5 on loose axis 33, an anti-release member 5 is respectively set in the two sides of sideband 1, anti-release member 5 is for limiting locating piece 3
Locking effect is played once fastener 4 avoids sideband 1 from loosening completely by damage inactivation, by two anti-release members 5 in position.
Preferably, as shown in Figure 4 A and 4 B shown in FIG., the respectively axonometric drawing and front view of anti-release member 5；Anti-release member 4 is strip
Plate, the plate face both ends of anti-release member 5 open up the anti-porosity 51 for being inserted into locking axis 33 respectively；It can be in the appearance of locking axis 33
External screw thread is arranged in face, and the position of anti-release member 5 is limited by nut, can also be used other limit methods, and the present invention is herein no longer
It repeats.
Further, the present invention in anti-porosity 51 at least one setting long waist shaped hole, the length direction of kidney slot with
The line of two locking axis 33 is in the same direction, and as shown in Figure 4 B, the anti-porosity 51 in left side is kidney slot, and the anti-porosity 51 on right side is circle
Hole, the spacing of two locating pieces 3 can be adjusted by kidney slot in a certain range, and versatility is stronger.
It as shown in Figure 5A, is shackle member 2 and the mutually matched axis geodesic structure figure of sideband 1；Fig. 5 B is that the axis of shackle member 2 is surveyed
Figure；2 main body of shackle member is arc-shaped, and section includes two inclined-planes for constituting V-shape, is shackle member 2 and two methods as shown in Figure 5 C
The blue mutually matched sectional view of disk, A, B respectively represent two different ring flanges in figure；Two inclined-planes of shackle member 2 respectively with
Inclined-plane fitting on two ring flanges, sideband 1 apply lateral directed force F to shackle member 2 when shrinking1, two inclined-planes are right respectively
Ring flange A, B generate oblique component F2And F3, force analysis is carried out it is found that F2And F3It is perpendicular by this with opposite vertical force component
Ring flange A, B are mutually compressed to component.
In order to realize compression effect, ring flange A, B should also be set as inclined-plane, and the structure for changing ring flange certainly not must
Palpus；If the surface of ring flange is plane, the wedge block of annular is installed additional between ring flange and shackle member 2, it will be horizontal by wedge block
To active force be converted to vertical pressing force, these specific settings should all be by protection of the invention.
The present invention also provides a kind of rail vehicles, and including above-mentioned assembling pipe joint, which can quickly be torn open
Fill connecting pipe, technical effect having the same.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, this hair
It is bright to be not intended to be limited to the embodiments shown herein, and be to fit to and the principles and novel features disclosed herein phase
Consistent widest scope.
Claims (10)
1. a kind of assembling pipe joint characterized by comprising
Sideband (1), can elastic bending formed and have annular jaggy, the both ends of the sideband (1) are in closed ring set band respectively
Ring (11)；
Shackle member (2) is at least arranged two, is individually fixed on the inner wall of the sideband (1), the shackle member (2) and connected
The shape of two ring flanges connect fits, and applies opposite pressing force to two ring flanges；
Locating piece (3), in the band (11), the locating piece can rotate location and installation relative to the sideband (1)；
Fastener (4) contacts with two locating piece (3) cooperations, applies opposite effect to two locating pieces (3)
Power keeps the both ends of the sideband (1) close to each other.
2. assembling pipe joint according to claim 1, which is characterized in that the band (11) is curved by the sideband (1)
Folding is fixed to be formed, and the inner wall of the band (11) is provided with the arcwall face that can be bonded with the outer surface of the locating piece (3), institute
Stating locating piece (3) can rotate relative to the band (11).
3. assembling pipe joint according to claim 2, which is characterized in that the band (11) is by the sideband (1)
Edge and main body by fillet welding or are fully welded fixed formation；Plug welding hole is also set up between the edge and main body of the sideband (1).
4. assembling pipe joint according to claim 2, which is characterized in that open up resigning breach on the band (11)
(111), the first ladder (31) are arranged in the middle part circumferential projection of the locating piece (3), and first ladder (31) is stretched from inside to outside
Card release is in the resigning breach (111), the axial position to limit the locating piece (3), the second-order of the locating piece (3)
Terraced (32) periphery cylindrical surface is contacted with the inner wall of the band (11).
5. assembling pipe joint according to claim 4, which is characterized in that perforation setting is tight on first ladder (31)
Solid hole (301), the fastener (4) include fastening screw (41) and fastening nut (42), and the fastening screw (41) is successively worn
Two fastener holes (301) are crossed, are tensed by the surface that the fastening nut (42) abuts against the locating piece (3).
6. assembling pipe joint according to any one of claims 1 to 5, which is characterized in that the both ends of the locating piece (3)
It is axially projecting that locking axis (33) is set, it is set on the locking axis (33) that two locating pieces (3) are stretched out in the same direction locking
Part (5).
7. assembling pipe joint according to claim 6, which is characterized in that the anti-release member (5) is strip plate, institute
The plate face both ends for stating anti-release member (5) open up anti-porosity (51) for making the locking axis (33) insertion respectively.
8. assembling pipe joint according to claim 7, which is characterized in that at least one in two anti-porosities (51)
Long waist shaped hole is set, and the length direction of kidney slot and the line of two locking axis (33) are in the same direction.
9. assembling pipe joint according to claim 6, which is characterized in that the shackle member (2) includes section constitution V word
Two inclined-planes on two inclined-planes of type, the shackle member (2) are bonded with the inclined-plane on two ring flanges respectively.
10. a kind of rail vehicle, which is characterized in that including the described in any item assembling pipe joints of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811295778.4A CN109114323A (en) | 2018-11-01 | 2018-11-01 | A kind of assembling pipe joint and rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811295778.4A CN109114323A (en) | 2018-11-01 | 2018-11-01 | A kind of assembling pipe joint and rail vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109114323A true CN109114323A (en) | 2019-01-01 |
Family
ID=64856063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811295778.4A Pending CN109114323A (en) | 2018-11-01 | 2018-11-01 | A kind of assembling pipe joint and rail vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109114323A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524785A (en) * | 2019-09-17 | 2021-03-19 | 江苏永信医疗科技有限公司 | Steam-humidified condensate water recycling device |
| CN113454383A (en) * | 2019-02-27 | 2021-09-28 | 金石允 | Pivot bracket type pipeline connecting device |
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| GB117185A (en) * | 1917-10-08 | 1918-07-11 | Thomas Hall | Improvements in or relating to Clips, Clamps or the like for use on Pipes and similar Articles. |
| US2688170A (en) * | 1951-03-31 | 1954-09-07 | Hallett Mfg Company | Strap clamp |
| US4919453A (en) * | 1987-06-16 | 1990-04-24 | Eg&G Pressure Science, Inc. | Low profile V-coupling |
| US5509702A (en) * | 1994-08-23 | 1996-04-23 | Eg&G Pressure Science, Inc. | Low distortion pipe coupling device |
| CN1745010A (en) * | 2003-05-26 | 2006-03-08 | 德尔纳车钩公司 | Muff coupling for vehicle couplers |
| CN101156016A (en) * | 2005-03-04 | 2008-04-02 | 布雷兹-托卡产品有限责任公司 | Pipe clamp assembly with v-ring insert |
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| CN202812479U (en) * | 2012-09-26 | 2013-03-20 | 中联重科股份有限公司 | Delivery pipe anti-loosening device and concrete pump truck pumping device comprising same |
| WO2018010821A1 (en) * | 2016-07-15 | 2018-01-18 | Oetiker Schweiz Ag | V-clamp for coupling flanged pipes |
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2018
- 2018-11-01 CN CN201811295778.4A patent/CN109114323A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US485484A (en) * | 1892-11-01 | Band-tightener | ||
| GB117185A (en) * | 1917-10-08 | 1918-07-11 | Thomas Hall | Improvements in or relating to Clips, Clamps or the like for use on Pipes and similar Articles. |
| US2688170A (en) * | 1951-03-31 | 1954-09-07 | Hallett Mfg Company | Strap clamp |
| US4919453A (en) * | 1987-06-16 | 1990-04-24 | Eg&G Pressure Science, Inc. | Low profile V-coupling |
| US5509702A (en) * | 1994-08-23 | 1996-04-23 | Eg&G Pressure Science, Inc. | Low distortion pipe coupling device |
| CN1745010A (en) * | 2003-05-26 | 2006-03-08 | 德尔纳车钩公司 | Muff coupling for vehicle couplers |
| CN101156016A (en) * | 2005-03-04 | 2008-04-02 | 布雷兹-托卡产品有限责任公司 | Pipe clamp assembly with v-ring insert |
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| CN202812479U (en) * | 2012-09-26 | 2013-03-20 | 中联重科股份有限公司 | Delivery pipe anti-loosening device and concrete pump truck pumping device comprising same |
| WO2018010821A1 (en) * | 2016-07-15 | 2018-01-18 | Oetiker Schweiz Ag | V-clamp for coupling flanged pipes |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113454383A (en) * | 2019-02-27 | 2021-09-28 | 金石允 | Pivot bracket type pipeline connecting device |
| CN112524785A (en) * | 2019-09-17 | 2021-03-19 | 江苏永信医疗科技有限公司 | Steam-humidified condensate water recycling device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190101 |
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| RJ01 | Rejection of invention patent application after publication |