CN107883095A - A kind of fast-assembling attachment means of radiator water inlet pipe and water outlet pipe - Google Patents
A kind of fast-assembling attachment means of radiator water inlet pipe and water outlet pipe Download PDFInfo
- Publication number
- CN107883095A CN107883095A CN201711375449.6A CN201711375449A CN107883095A CN 107883095 A CN107883095 A CN 107883095A CN 201711375449 A CN201711375449 A CN 201711375449A CN 107883095 A CN107883095 A CN 107883095A
- Authority
- CN
- China
- Prior art keywords
- water inlet
- outlet pipe
- water outlet
- inlet pipe
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 192
- 238000007789 sealing Methods 0.000 claims abstract description 48
- 239000007787 solid Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/10—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using a rotary external sleeve or ring on one part
- F16L37/113—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using a rotary external sleeve or ring on one part the male part having lugs on its periphery penetrating into the corresponding slots provided in the female part
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a kind of fast-assembling attachment means of radiator water inlet pipe and water outlet pipe, belong to pipe fitting processing technique field, solve installation time length between radiator water inlet pipe and water outlet pipe and connecting pipe of engine in the prior art, sealing is poor, can not ensure product quality.The technical scheme used for:Multiple positioning guide columns are symmetrically installed with the outer cylindrical wall of water inlet pipe and water outlet pipe male contact one end, the positioning and guiding groove being connected for positioning guide column is offered on the inner cylindrical wall of water inlet pipe and water outlet pipe famale connector one end, positioning guide column is arranged in positioning and guiding groove;Sealing ring is socketed with water inlet pipe and water outlet pipe male contact other end outer cylindrical wall, the o-ring groove being connected for sealing ring is offered on water inlet pipe and water outlet pipe famale connector inwall, sealing ring is arranged in o-ring groove;Sealing gasket is additionally provided with water inlet pipe and water outlet pipe male contact port, is connected at water inlet pipe and water outlet pipe male contact port by sealing gasket sealing and the shoulder hole of water inlet pipe and water outlet pipe male contact;With easy assembling, the advantages of good airproof performance.
Description
Technical field
The present invention relates to pipe fitting processing technique field, the fast-assembling connection dress of specifically a kind of radiator water inlet pipe and water outlet pipe
Put.
Background technology
At present, either the product such as passenger car or commercial car carries water inlet pipe and water outlet pipe, water inlet pipe and water outlet pipe on car radiator
Contour structures be water inlet pipe and water outlet pipe tip position carried out hoop, be easy to connecting pipe of engine to be connected with radiator water inlet pipe and water outlet pipe
Connect, usual connecting pipe of engine is attached with radiator water inlet pipe and water outlet pipe using hose clamp.Such as patent 201120252878.6, title
For " a kind of engine heat dissipating device and crane ", the technical scheme that the patent uses for:Radiator inleting pipe and engine water
Set delivery port connecting tube is connected using hose clamp;But the hose clamp connected mode for generally being used in current industry, also in the presence of one
The drawbacks of determining:1st, carry out radiator water inlet pipe and water outlet pipe using hose clamp and unbalance stress and pressure are connected with connecting pipe of engine, hold
Easily cause and come off;2nd, time that is linked and packed is longer, influences production progress, can not guarantee both quality and quantity to hit the target;3rd, car is expert at
During sailing in the presence of holdback force and working of plastics deformation vibrated and connection rubber tube, there is the machine to fail in connecting portion
Rate is larger, and sealing is poor;Therefore, the sealing of product how is improved, and shortens installation time, ensures assembling quality,
It is the problem of those skilled in the art are in the urgent need to address.
The content of the invention
The technical assignment of the present invention is the deficiency for more than, there is provided a kind of fast-assembling attachment means of radiator water inlet pipe and water outlet pipe,
It can solve the problem that installation time is grown between radiator water inlet pipe and water outlet pipe and connecting pipe of engine in the prior art, sealing is poor, and connects
Portion's crash rate is big, the problem of can not ensureing product quality.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of fast-assembling attachment means of radiator water inlet pipe and water outlet pipe, including water inlet pipe and water outlet pipe male contact and water inlet pipe and water outlet pipe famale connector, disengaging
The shoulder hole being connected for water inlet pipe and water outlet pipe male contact, water inlet pipe and water outlet pipe male contact and disengaging are offered at the axle center of water pipe famale connector
Water pipe famale connector is concentric to be arranged in shoulder hole;Multiple positioning are symmetrically installed with the outer cylindrical wall of water inlet pipe and water outlet pipe male contact one end
Lead, the positioning and guiding groove being connected for positioning guide column is offered on the inner cylindrical wall of water inlet pipe and water outlet pipe famale connector one end, it is fixed
Position lead is arranged in positioning and guiding groove;Sealing ring, Inlet and outlet water are socketed with water inlet pipe and water outlet pipe male contact other end outer cylindrical wall
The o-ring groove being connected for sealing ring is offered on the inwall of pipe famale connector, sealing ring is arranged in o-ring groove;
Sealing gasket is additionally provided with the port of water inlet pipe and water outlet pipe male contact, is sealed at the port of water inlet pipe and water outlet pipe male contact by sealing gasket with entering
The shoulder hole of outlet pipe male contact is connected.
Positioning guide column is symmetrical arranged, and positioning guide column is convex and/or the positioning guide column of L-type structure.
The quantity of positioning guide column is 2~6.
Locating groove is provided with one end outer cylindrical wall of water inlet pipe and water outlet pipe male contact, the salient point of positioning guide column, which is arranged on, to be determined
In the neck of position.
Axisymmetric multiple positioning lockholes are further opened with the outer wall of water inlet pipe and water outlet pipe famale connector one end, and positioning lock hole position is in fixed
The surface of position neck.
Pipe clamp is provided with positioning lockhole, the both ends of pipe clamp are each passed through axisymmetric positioning lockhole and are installed in locating groove
It is interior.
Pipe clamp is the pipe clamp of U-shaped opening structure, and pipe clamp opening section is elliptical shape.
Sealing ring is the sealing ring of O-shaped structure, and sealing gasket is the sealing gasket of O-shaped flake structure.
Compared to the prior art a kind of fast-assembling attachment means of radiator water inlet pipe and water outlet pipe of the present invention, have below beneficial to effect
Fruit:
1st, positioning guide column and positioning and guiding groove are co-axially mounted cooperation, and positioning guide column has guide effect, and can prevent into
Outlet pipe male contact rotates in the shoulder hole of water inlet pipe and water outlet pipe famale connector, has the advantages of fixed;
2nd, the sealing ring of O-shaped structure is socketed with water inlet pipe and water outlet pipe male contact outer cylindrical wall, is opened on the inwall of water inlet pipe and water outlet pipe famale connector
Provided with o-ring groove, sealing ring is arranged in o-ring groove, and the sealing ring of O-shaped structure plays a part of axial seal;Enter
Sealing gasket is additionally provided with the port of outlet pipe male contact, seals and passes in and out by sealing gasket at the port of water inlet pipe and water outlet pipe male contact
The shoulder hole of water pipe male contact is connected, and sealing gasket plays end face seal with being squeezed at the port of water inlet pipe and water outlet pipe male contact
Effect;
3rd, the both ends of U-shape structure pipe clamp are each passed through axisymmetric positioning lockhole and are installed in locating groove, play and are locked
Effect, and the mating connection of U-shape structure pipe clamp and locating groove is quick, has the advantages of simple to operation;
4th, the attachment means structure design advantages of simple, it is simple to operate, easy to use, good sealing effect, shorten radiator and enter
Installation time between outlet pipe and connecting pipe of engine, dependable performance, product quality is ensure that, therefore, have and push away well
Wide and use value.
Brief description of the drawings
The present invention is further described below in conjunction with the accompanying drawings.
Accompanying drawing 1 is a kind of structural representation of the fast-assembling attachment means of radiator water inlet pipe and water outlet pipe;
Accompanying drawing 2 is a kind of top view of the fast-assembling attachment means of radiator water inlet pipe and water outlet pipe;
Accompanying drawing 3 is the A-A sectional views of accompanying drawing 2;
Accompanying drawing 4 is a kind of left view of the fast-assembling attachment means of radiator water inlet pipe and water outlet pipe;
Accompanying drawing 5 is the front view of water inlet pipe and water outlet pipe male contact;
Accompanying drawing 6 is the structural representation of pipe clamp.
In figure:1st, water inlet pipe and water outlet pipe male contact, 2, water inlet pipe and water outlet pipe famale connector, 3, positioning guide column, 4, positioning and guiding groove, 5, close
Seal, 6, o-ring groove, 7, sealing gasket, 8, locating groove, 9, salient point, 10, positioning lockhole, 11, pipe clamp.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1:
A kind of fast-assembling attachment means of radiator water inlet pipe and water outlet pipe of the present invention, including water inlet pipe and water outlet pipe male contact 1 and water inlet pipe and water outlet pipe the moon
Joint 2, the shoulder hole being connected for water inlet pipe and water outlet pipe male contact 1, water inlet pipe and water outlet pipe are offered at the axle center of water inlet pipe and water outlet pipe famale connector 2
Male contact 1 with water inlet pipe and water outlet pipe famale connector 2 is concentric is arranged in shoulder hole;It is right in one end outer cylindrical wall of water inlet pipe and water outlet pipe male contact 1
Title is installed with 2 positioning guide columns 3, and positioning guide column 3 one is convex structure, and another is L-type structure, water inlet pipe and water outlet pipe
The positioning and guiding groove 4 being connected for positioning guide column 3 is offered on one end inner cylindrical wall of famale connector 2, positioning guide column 3 is set
In positioning and guiding groove 4;Sealing ring 5, water inlet pipe and water outlet pipe famale connector 2 are socketed with the other end outer cylindrical wall of water inlet pipe and water outlet pipe male contact 1
Inwall on offer the o-ring groove 6 being connected for sealing ring 5, sealing ring 5 is arranged in o-ring groove 6;Disengaging
Sealing gasket 7 is additionally provided with the port of water pipe male contact 1, is sealed at the port of water inlet pipe and water outlet pipe male contact 1 by sealing gasket 7 with entering
The shoulder hole of outlet pipe male contact 1 is connected.
Embodiment 2:
A kind of fast-assembling attachment means of radiator water inlet pipe and water outlet pipe of the present invention, including water inlet pipe and water outlet pipe male contact 1 and water inlet pipe and water outlet pipe the moon
Joint 2, the shoulder hole being connected for water inlet pipe and water outlet pipe male contact 1, water inlet pipe and water outlet pipe are offered at the axle center of water inlet pipe and water outlet pipe famale connector 2
Male contact 1 with water inlet pipe and water outlet pipe famale connector 2 is concentric is arranged in shoulder hole;It is right in one end outer cylindrical wall of water inlet pipe and water outlet pipe male contact 1
Title is installed with 4 positioning guide columns 3, and positioning guide column 3 is convex structure, cylinder in the one end of water inlet pipe and water outlet pipe famale connector 2
The positioning and guiding groove 4 being connected for positioning guide column 3 is offered on wall, positioning guide column 3 is arranged in positioning and guiding groove 4;
The sealing ring 5 of O-shaped structure is socketed with the other end outer cylindrical wall of water inlet pipe and water outlet pipe male contact 1, on the inwall of water inlet pipe and water outlet pipe famale connector 2
The o-ring groove 6 being connected for sealing ring 5 is offered, sealing ring 5 is arranged in o-ring groove 6;Water inlet pipe and water outlet pipe sun connects
It is additionally provided with the sealing gasket 7 of O-shaped flake structure at first 1 port, it is close by sealing gasket 7 at the port of water inlet pipe and water outlet pipe male contact 1
Envelope and the shoulder hole of water inlet pipe and water outlet pipe male contact 1 are connected, and the axial seal of sealing ring 5 and the end face seal of sealing gasket, make production
Product form double sealing structure, it is ensured that do not leak, have the advantages of good airproof performance;Outside one end of water inlet pipe and water outlet pipe male contact 1
Locating groove 8 is provided with cylindrical wall, the salient point 9 of positioning guide column 3 is arranged in locating groove 8;Water inlet pipe and water outlet pipe famale connector 2 one
Axisymmetric 2 positioning lockhole 10 is further opened with the outer wall of end, and positions the surface that lockhole 10 is located at locating groove 8;Positioning
The pipe clamp 11 of U-shaped opening structure is provided with lockhole 10, and the opening section of pipe clamp 11 is elliptical shape, the both ends of pipe clamp 11 are distinguished
It is installed in through axisymmetric 2 positioning lockholes 10 in locating groove 8, plays a part of being locked, and U-shape structure pipe clamp 11
It is quick with the mating connection of locating groove 8, there is the advantages of simple to operation.
By embodiment above, the those skilled in the art can readily realize the present invention.But should
Work as understanding, the present invention is not limited to 2 kinds of above-mentioned embodiments.On the basis of disclosed embodiment, the technology
The technical staff in field can be combined different technical characteristics, so as to realize different technical schemes.
It is the known technology of those skilled in the art in addition to the technical characteristic described in specification.
Claims (8)
1. a kind of fast-assembling attachment means of radiator water inlet pipe and water outlet pipe, including water inlet pipe and water outlet pipe male contact and water inlet pipe and water outlet pipe famale connector, enter
The shoulder hole being connected for water inlet pipe and water outlet pipe male contact is offered at the axle center of outlet pipe famale connector, water inlet pipe and water outlet pipe male contact is with entering
Outlet pipe famale connector is concentric to be arranged in shoulder hole;It is it is characterized in that symmetrically solid in the outer cylindrical wall of water inlet pipe and water outlet pipe male contact one end
Provided with multiple positioning guide columns, offer on the inner cylindrical wall of water inlet pipe and water outlet pipe famale connector one end and determine for what positioning guide column was connected
Position guide groove, positioning guide column are arranged in positioning and guiding groove;It is socketed with water inlet pipe and water outlet pipe male contact other end outer cylindrical wall close
Seal, the o-ring groove being connected for sealing ring is offered on the inwall of water inlet pipe and water outlet pipe famale connector, sealing ring is arranged on close
In seal groove;
Sealing gasket is additionally provided with the port of water inlet pipe and water outlet pipe male contact, is sealed at the port of water inlet pipe and water outlet pipe male contact by sealing gasket
It is connected with the shoulder hole of water inlet pipe and water outlet pipe male contact.
A kind of 2. fast-assembling attachment means of radiator water inlet pipe and water outlet pipe according to claim 1, it is characterised in that positioning and guiding
Column symmetry is set, and positioning guide column is convex and/or the positioning guide column of L-type structure.
A kind of 3. fast-assembling attachment means of radiator water inlet pipe and water outlet pipe according to claim 2, it is characterised in that positioning and guiding
The quantity of post is 2~6.
A kind of 4. fast-assembling attachment means of radiator water inlet pipe and water outlet pipe according to claim 1, it is characterised in that water inlet pipe and water outlet pipe
Locating groove is provided with one end outer cylindrical wall of male contact, the salient point of positioning guide column is arranged in locating groove.
A kind of 5. fast-assembling attachment means of radiator water inlet pipe and water outlet pipe according to claim 1, it is characterised in that water inlet pipe and water outlet pipe
Axisymmetric multiple positioning lockholes are further opened with the outer wall of famale connector one end, and positioning lock hole position is in the surface of locating groove.
A kind of 6. fast-assembling attachment means of radiator water inlet pipe and water outlet pipe according to claim 5, it is characterised in that positioning lockhole
Place is provided with pipe clamp, and the both ends of pipe clamp are each passed through axisymmetric positioning lockhole and are installed in locating groove.
7. the fast-assembling attachment means of a kind of radiator water inlet pipe and water outlet pipe according to claim 6, it is characterised in that pipe clamp is U-shaped
The pipe clamp of hatch frame, and pipe clamp opening section is elliptical shape.
A kind of 8. fast-assembling attachment means of radiator water inlet pipe and water outlet pipe according to claim 1, it is characterised in that sealing ring O
The sealing ring of type structure, sealing gasket are the sealing gasket of O-shaped flake structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711375449.6A CN107883095A (en) | 2017-12-19 | 2017-12-19 | A kind of fast-assembling attachment means of radiator water inlet pipe and water outlet pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711375449.6A CN107883095A (en) | 2017-12-19 | 2017-12-19 | A kind of fast-assembling attachment means of radiator water inlet pipe and water outlet pipe |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107883095A true CN107883095A (en) | 2018-04-06 |
Family
ID=61771959
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711375449.6A Pending CN107883095A (en) | 2017-12-19 | 2017-12-19 | A kind of fast-assembling attachment means of radiator water inlet pipe and water outlet pipe |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107883095A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112879695A (en) * | 2021-01-14 | 2021-06-01 | 艾泰斯热系统研发(上海)有限公司 | Connect valve and cooling system soon |
CN113996426A (en) * | 2021-10-21 | 2022-02-01 | 山东鑫海矿业技术装备股份有限公司 | Sectional type vortex breaker |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2315410Y (en) * | 1997-12-07 | 1999-04-21 | 柳光坤 | Quick connecting pipe joint |
WO2000017528A1 (en) * | 1998-09-18 | 2000-03-30 | Nardi S.P.A. | Connecting joints for collapsible structures |
US20080277929A1 (en) * | 2007-05-10 | 2008-11-13 | Bucher Michael R | Quick connector for fluid conduit |
CN201368286Y (en) * | 2009-02-19 | 2009-12-23 | 宁波市鄞州亚大汽车管件有限公司 | Pipeline joint |
CN201715156U (en) * | 2010-06-29 | 2011-01-19 | 上海亚大汽车塑料制品有限公司 | Quick coupling |
US20130341905A1 (en) * | 2012-06-21 | 2013-12-26 | Robert Bosch Gmbh | Quick Connect and Quick Disconnect System Male Component |
CN203549210U (en) * | 2013-10-29 | 2014-04-16 | 台州先科密封件电器有限公司 | Pipe connector structure |
CN103791190A (en) * | 2014-01-26 | 2014-05-14 | 常州腾龙汽车零部件股份有限公司 | Elastic clamp spring self-locking type quick-assembly sealing connection air-conditioning pipe |
CN204852719U (en) * | 2015-07-24 | 2015-12-09 | 长城汽车股份有限公司 | Cold pipe connection structure of fast spigot joint and transmission oil |
CN207893304U (en) * | 2017-12-19 | 2018-09-21 | 山东同创汽车散热装置股份有限公司 | A kind of fast-assembling attachment device of radiator inlet and outlet pipes |
-
2017
- 2017-12-19 CN CN201711375449.6A patent/CN107883095A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2315410Y (en) * | 1997-12-07 | 1999-04-21 | 柳光坤 | Quick connecting pipe joint |
WO2000017528A1 (en) * | 1998-09-18 | 2000-03-30 | Nardi S.P.A. | Connecting joints for collapsible structures |
US20080277929A1 (en) * | 2007-05-10 | 2008-11-13 | Bucher Michael R | Quick connector for fluid conduit |
CN201368286Y (en) * | 2009-02-19 | 2009-12-23 | 宁波市鄞州亚大汽车管件有限公司 | Pipeline joint |
CN201715156U (en) * | 2010-06-29 | 2011-01-19 | 上海亚大汽车塑料制品有限公司 | Quick coupling |
US20130341905A1 (en) * | 2012-06-21 | 2013-12-26 | Robert Bosch Gmbh | Quick Connect and Quick Disconnect System Male Component |
CN203549210U (en) * | 2013-10-29 | 2014-04-16 | 台州先科密封件电器有限公司 | Pipe connector structure |
CN103791190A (en) * | 2014-01-26 | 2014-05-14 | 常州腾龙汽车零部件股份有限公司 | Elastic clamp spring self-locking type quick-assembly sealing connection air-conditioning pipe |
CN204852719U (en) * | 2015-07-24 | 2015-12-09 | 长城汽车股份有限公司 | Cold pipe connection structure of fast spigot joint and transmission oil |
CN207893304U (en) * | 2017-12-19 | 2018-09-21 | 山东同创汽车散热装置股份有限公司 | A kind of fast-assembling attachment device of radiator inlet and outlet pipes |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112879695A (en) * | 2021-01-14 | 2021-06-01 | 艾泰斯热系统研发(上海)有限公司 | Connect valve and cooling system soon |
CN113996426A (en) * | 2021-10-21 | 2022-02-01 | 山东鑫海矿业技术装备股份有限公司 | Sectional type vortex breaker |
CN113996426B (en) * | 2021-10-21 | 2023-03-14 | 山东鑫海矿业技术装备股份有限公司 | Sectional type vortex breaker |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN207893304U (en) | A kind of fast-assembling attachment device of radiator inlet and outlet pipes | |
CN107883095A (en) | A kind of fast-assembling attachment means of radiator water inlet pipe and water outlet pipe | |
CN201570687U (en) | High pressure resistant adaptor connector | |
CN107605496A (en) | A kind of tail sealing device of shield | |
CN105387664B (en) | Valve refrigerant vacuum filling gun built in a kind of pneumatic/elastic dual compression | |
CN207863936U (en) | Multilayer huge discharge squeeze pack tool | |
CN216081607U (en) | Electronic flowmeter for oxygen generator | |
CN206787060U (en) | A kind of small-sized internal coil-tube type exchanges mouth | |
CN206874249U (en) | Fluid power expansion type well packer capable of flushing well | |
CN202166246U (en) | Air conditioner compressor reservoir | |
CN205745818U (en) | The union elbow being convenient to clean | |
CN209195367U (en) | Two-stage plugging device for velocity string | |
CN204805796U (en) | Pressure equipment formula quick -operation joint for pipeline | |
CN207161962U (en) | A kind of pipeline whirl compensator | |
CN205937230U (en) | A shielding cover | |
CN207113296U (en) | Air inlet tube assembly | |
CN207599216U (en) | A kind of polytypic pipe joint | |
CN202629094U (en) | Drilling needle valve | |
CN204284718U (en) | The steam of textile industry goes out pipe | |
CN205670069U (en) | Blast furnace copper cooling wall water pressure testing device | |
CN212055158U (en) | Energy-saving marine deep well scale control type submersible pump | |
CN105134947B (en) | A kind of composite bimetal pipe liquid, which rises, shapes base bushing pipe gap water-tight device | |
CN221214799U (en) | Quick adapter for filling beer in inner bag barrel | |
CN209743298U (en) | Hydraulic oil pipe joint | |
CN109267972A (en) | Two-stage plugging device for velocity string and using method |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180406 |
|
RJ01 | Rejection of invention patent application after publication |