CN108343799A - A kind of plumbing installation - Google Patents
A kind of plumbing installation Download PDFInfo
- Publication number
- CN108343799A CN108343799A CN201711466042.4A CN201711466042A CN108343799A CN 108343799 A CN108343799 A CN 108343799A CN 201711466042 A CN201711466042 A CN 201711466042A CN 108343799 A CN108343799 A CN 108343799A
- Authority
- CN
- China
- Prior art keywords
- tube
- pipe fitting
- steering
- tube body
- connecting tube
- 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
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
- F16L43/00—Bends; Siphons
- F16L43/02—Bends; Siphons adapted to make use of special securing means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
- H01Q1/10—Telescopic elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a kind of plumbing installations, belong to field of pipeline equipment.Plumbing installation includes the first pipe fitting, pipe fitting steering base and the second pipe fitting.The first pipe fitting is moved to the inside of cylindrical flange across mounting hole when installation, and it is connect with the oil inlet of telescopic antenna bottom.The connecting leg on pipe fitting steering base is connect with the first pipe fitting later, and makes steering tube vertical with connecting tube on pipe fitting steering base towards mounting hole.The blue internal steering tube of the second last pipe fitting one end connection, inflow pipeline or flowline outside other end connection is blue.When pipeline and hydraulic fluid port mismatch, pipeline is dismantled from the second pipe fitting, does not need staff and hand is put in cylindrical flange to the dismounting for carrying out pipeline.It solves and staff is needed to put in hand in cylindrical flange to carry out the inconvenient problem that the installation, dismounting and adjustment of pipeline are brought when inflow pipeline or flowline and oil inlet or oil outlet mismatch.
Description
Technical field
The present invention relates to field of pipeline equipment, more particularly to a kind of plumbing installation.
Background technology
Telescopic antenna is widely used in the communications field, primarily serves the effect for receiving and sending out electric signal.
Since telescopic antenna drives generally by hydraulic medium, on existing telescopic antenna usually require setting with
The oil inlet and outlet that inflow pipeline is docked with flowline.And telescopic antenna is typically to support to be arranged by cylindrical flange
On the ground, the inner hollow of cylindrical flange, offers mounting hole on the outer wall of cylindrical flange, thus inflow pipeline with go out
Oil-piping needs to stretch into cylindrical flange across mounting hole, then is carried out pair with the oil inlet and outlet of telescopic antenna bottom
It connects.
In the implementation of the present invention, inventor has found to have at least the following problems in the prior art：
In order to ensure that inflow pipeline and flowline can be normally carried out oil inlet and fuel-displaced work.It needs in inflow pipeline
Inflow pipeline and flowline are debugged when being installed with flowline, to detect inflow pipeline and flowline and oil inlet
Whether matched with oil outlet, needs to re-replace pipeline if mismatching.In the process, staff may may require that constantly
Hand is put in cylindrical flange to the installation and dismounting and adjustment to carry out inflow pipeline and flowline, operation is more not
Just.
Invention content
In order to solve, when the inflow pipeline of telescopic antenna bottom is mismatched with flowline with oil inlet and oil outlet, to need
Staff is wanted to put in hand in cylindrical flange with the installation for carrying out inflow pipeline and flowline and dismounting and adjustment band
The inconvenient problem come, an embodiment of the present invention provides a kind of plumbing installations.The technical solution is as follows：
A kind of plumbing installation, the plumbing installation include the first pipe fitting, pipe fitting steering base and the second pipe fitting,
First pipe fitting include the first tube body, two the first flat shoulder grafting heads and two the first cap nuts, described two
A first flat shoulder grafting head is coaxially connected at the both ends of first tube body respectively, and described two first cap nuts are respectively by right
The the described first flat shoulder grafting head answered is movably set on first tube body, and the opening direction of two first cap nuts
Direction it is opposite；
Second pipe fitting includes the second tube body and is arranged the second flat shoulder grafting head in one end of second tube body
With the second cap nut, second tube body is bend pipe, and second cap nut passes through the described second flat shoulder grafting head movable sleeve
It is located on second tube body, the other end of second tube body is provided with attaching nut；
The pipe fitting steering base includes connecting tube and steering tube, one end of the connecting tube and first tube body one end
The connection of the first cap nut, the other end of the connecting tube is fixedly connected on the side wall of the steering tube, the connecting tube
Angle with the axis of the steering tube is 90 °, and the inside of the connecting tube is connected to the inside of the steering tube, described turn
It is closed to one end of pipe, and the other end of the steering tube is connect by second cap nut with second pipe fitting.
Optionally, two first flat shoulder grafting heads include branch sleeve and are co-axially located at the one of the branch sleeve
The annular endplate at end, the branch sleeve are sheathed on outside first tube body, and first cap nut is sheathed on the connection
Outside sleeve, and the annular endplate is located in first cap nut, and the annular endplate and first cap nut
It partly overlaps in the axial direction.
Optionally, further include being co-axially located on the annular endplate close to the described first flat shoulder grafting head of the connecting tube
Inserting pipe, the inserting pipe is plugged in the connecting tube.
Optionally, it is set between the inserting pipe and the connecting tube of the described first flat shoulder grafting head of the connecting tube
It is equipped with sealing ring.
Optionally, the structure of the structure of the described second flat shoulder grafting head and the described first flat shoulder grafting head close to the connecting tube
It is identical.
Optionally, there are multiple sealing rings between the inserting pipe and the connecting tube of the described second flat shoulder grafting head.
Optionally, it is provided with cyclic annular seam allowance on one end end face of close first pipe fitting of the connecting tube, it is described
Steering tube is equipped with cyclic annular seam allowance close to one end end face of second pipe fitting, and sealing is both provided in the ring-type seam allowance
Circle.
Optionally, the internal diameter of the connecting tube is equal with the internal diameter of the steering tube.
Optionally, the bending angle of second tube body is 90 °.
Optionally, the internal diameter of first tube body is equal with the internal diameter of the second tube body.
The advantageous effect that technical solution provided in an embodiment of the present invention is brought is：When being installed, by the first pipe fitting
It is moved to the inside of cylindrical flange across mounting hole, and it is connect with the oil inlet of telescopic antenna bottom.Pipe is connect later
Connecting tube on head steering base is connect with the first pipe fitting, is adjusted the position of pipe fitting steering base, is made vertical with connecting tube thereon
Steering tube towards the position of mounting hole.Steering tube of the second last pipe fitting inside mounting hole, one end connecting flange, separately
Inflow pipeline outside the connecting flange of one end or flowline.When inflow pipeline and flowline and oil inlet and oil outlet not
Inflow pipeline or flowline are dismantled from the second pipe fitting, are not needed staff and hand is put in cylinder by timing
The dismounting of pipeline is carried out in flange.Solve the inflow pipeline and flowline and oil inlet and oil outlet when telescopic antenna bottom
When mismatch, staff is needed to put in hand in cylindrical flange to carry out the installation and dismounting of inflow pipeline and flowline
And the inconvenient problem that adjustment is brought.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.
Fig. 1 a are the structural schematic diagrams under a kind of a kind of state of plumbing installation provided in an embodiment of the present invention；
Fig. 1 b are the structural schematic diagrams under another state of plumbing installation provided in an embodiment of the present invention；
Fig. 2 is the first pipe joint structure schematic diagram provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of pipe fitting steering base provided in an embodiment of the present invention；
Fig. 4 is the second pipe joint structure schematic diagram provided in an embodiment of the present invention.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Fig. 1 a are a kind of a kind of structural schematic diagrams of state of plumbing installation provided in an embodiment of the present invention, such as Fig. 1 a institutes
Show, the plumbing installation in the present invention includes the first pipe fitting 1, pipe fitting steering base 2 and the second pipe fitting 3.
First pipe fitting 1 include 11, two the first flat shoulder grafting heads 12 of the first tube body and two the first cap nuts 13, two
First flat shoulder grafting head 12 is coaxially connected at the both ends of the first tube body 11 respectively, and two the first cap nuts 13 are respectively by corresponding
First flat shoulder grafting head 12 is movably set on the first tube body 11, and the direction phase of the opening direction of two the first cap nuts 13
Instead.
Second pipe fitting 3 includes the second tube body 31 and is arranged the second flat 32 He of shoulder grafting head in one end of the second tube body 31
Second cap nut 33, the second tube body 31 are bend pipe, and the second cap nut 33 is movably set in the by the second flat shoulder grafting head 32
On two tube bodies 31, the other end of the second tube body 31 is provided with attaching nut 34.
Pipe fitting steering base 2 includes connecting tube 21 and steering tube 22, one end of connecting tube 21 and 11 one end of the first tube body
First cap nut 12 connects, and the other end of connecting tube 21 is fixedly connected on the side wall of steering tube 22, connecting tube 21 and steering
The angle theta of the axis of pipe 22 is 90 °, and the inside of connecting tube 21 is connected to the inside of steering tube 22, an end seal of steering tube 22
It closes, and the other end of steering tube 22 is connect by the second cap nut 33 with the second pipe fitting 2.
Fig. 1 b are the structural schematic diagram under another state of plumbing installation provided in an embodiment of the present invention.In fig 1 a,
The center line of the center line of two pipe fittings 3 and the pipe fitting steering base 2 is in same plane, and in Figure 1b, the second pipe fitting 3
Center line and pipe fitting steering base 2 center line where be in angle between plane.As it can be seen that by making the second pipe fitting 3 and pipe
Connector steering base 2 relatively rotates, plane where can adjusting the center line of the second pipe fitting 3 and the pipe fitting steering base
The angle of plane where 2 center line, by the proper angle for being adjusted to be easily installed by the angle, consequently facilitating by flexible day
The oil supply pipe that line connects required for being connected to by the plumbing installation, it is simple and convenient.
Label 4 in Fig. 1 a and Fig. 1 b is cylindrical flange, and label 4a is the mounting hole being arranged on cylindrical flange 4.
When being installed, pass through mounting hole to be moved to the inside of cylindrical flange the first pipe fitting, and by its with stretch
The oil inlet of contracting antenna bottom connects.The connecting tube on pipe fitting steering base is connect with the first pipe fitting later, adjustment pipe connects
The position of head steering base, makes position of the steering tube vertical with connecting tube thereon towards mounting hole.The second last pipe fitting passes through
Mounting hole, the steering tube inside the connecting flange of one end, inflow pipeline or flowline outside other end connecting flange.Work as oil inlet
When pipeline is mismatched with flowline with oil inlet and oil outlet, inflow pipeline or flowline are dismantled from the second pipe fitting
, do not need staff and hand put in cylindrical flange to the dismounting for carrying out pipeline.It solves when telescopic antenna bottom
When inflow pipeline and flowline are mismatched with oil inlet and oil outlet, need staff by hand put in cylindrical flange with
It carries out the installation of inflow pipeline and flowline and dismantles and adjust the inconvenient problem brought.
Certainly, other than being used to connect telescopic antenna, the embodiment of the present invention applies also for connecting other hydraulic-driven portions
Part.
As shown in Figure 1, the internal diameter a of the first tube body 11 is equal with the internal diameter b of the second tube body 31.First tube body and second are managed
The internal diameter of body is set as equal so that it is equal with the flow for the hydraulic medium that the second tube body arrives to flow through the first tube body, to ensure to stretch
The steady operation of contracting antenna.
Fig. 2 is the first pipe joint structure schematic diagram provided in an embodiment of the present invention, as shown in Fig. 2, two the first flat shoulder graftings
First 12 include the annular endplate 122 of branch sleeve 121 and the one end for being co-axially located at branch sleeve 121,121 sets of branch sleeve
Outside the first tube body 11, the first cap nut 13 is sheathed on outside branch sleeve 121, and annular endplate 122 is located at the first housing
In nut 13, and annular endplate 122 partly overlaps in the axial direction with the first cap nut 13.First flat shoulder grafting head includes annular end
Plate and branch sleeve, annular endplate be located in the first cap nut and annular endplate in the axial direction with the first cap nut weight
It closes, the first flat shoulder grafting head being arranged in this way can play the first cap nut of limitation along the displacement of the first tube body axis direction, keep away
Exempt from the first cap nut to be detached from from the first tube body.
In practical application, the branch sleeve 121 of two the first flat shoulder grafting heads 12 is solderable on the first tube body 11.
As shown in Fig. 2, the first flat shoulder grafting head 12 close to connecting tube 21 further includes being co-axially located on annular endplate 122
Pipe 123 is inserted, inserting pipe 123 is plugged in connecting tube 21.It can be reduced by the way that the inserting pipe 123 being plugged in connecting tube 21 is arranged
The possibility that liquid is revealed from connected pipeline enclosure, and reduce the hydraulic shock that pipe fitting steering base 2 is subject to, it is conducive to extend device
Bulk life time.
As shown in Fig. 2, being arranged between the inserting pipe 123 and connecting tube 21 of the first flat shoulder grafting head 121 of connecting tube 21
There is sealing ring 123a.Setting sealing ring can further increase the leakproofness of device entirety between inserting pipe and connecting tube.
As shown in figure 3, multiple sealing ring 123a can be equipped between inserting pipe 123 and connecting tube 21.Further increase device
Whole leakproofness.
Optionally, nylon 1010 (being commonly called as nylon 1010) making can be used in sealing ring 123a.
Optionally, copper work may be used in the first tube body 11, the first flat shoulder grafting head 12, the first cap nut 13, such as
It is made of T2.The requirement of each component can be met while cheap.
Fig. 3 is the structural schematic diagram of pipe fitting steering base provided in an embodiment of the present invention, as shown in figure 3, connecting tube 21
Internal diameter c is equal with the internal diameter d of steering tube 22.Connecting tube is set as equal to ensure that telescopic antenna receives with the internal diameter of steering tube
Or the flow of the hydraulic medium of output is consistent, is conducive to the steady operation of telescopic antenna.
In conjunction with Fig. 1 and Fig. 3, connecting tube 21 is provided with cyclic annular seam allowance 21a on one end end face of the first pipe fitting 1,
One end end face of close second pipe fitting 3 of steering tube 22 is close equipped with being both provided in cyclic annular seam allowance 22a, cyclic annular seam allowance 22a
Seal 23.The leakproofness that pipeline can be further increased avoids the occurrence of situations such as liquid medium is revealed.
As shown in figure 3, connecting tube 21 is solderable on steering tube 22.In other embodiments of the invention, connecting tube 21
Also it can be threaded connection on steering tube 22.The present invention is without limitation.
As shown in figure 3, circular cylindrical cavity 22b is may be provided on steering tube 22, to mitigate the entirety weight of pipe fitting steering base
Amount is convenient for the installation and dismounting of the present apparatus.
Optionally, nylon 1010 making can be used in sealing ring 23.The making material of pipe fitting steering base 2 can be
Stainless steel, such as 1Cr18Ni9Ti.
Fig. 4 is the second pipe joint structure schematic diagram provided in an embodiment of the present invention, in conjunction with Fig. 1 and Fig. 4, the second flat shoulder grafting head
32 structure is identical as the structure of the first flat shoulder grafting head 12 close to connecting tube 21.By the structure setting of the second flat shoulder grafting head be with
Structure close to the first flat shoulder grafting head of connecting tube 21 is identical, is convenient for the making of the present apparatus.Specifically, as shown in figure 4, second is flat
Shoulder grafting head 32 equally includes branch sleeve 321, cyclic annular end plate 322 and inserting pipe 323.
Optionally, as shown in figure 4, can be equipped between the inserting pipe 323 and connecting tube 21 of the second flat shoulder grafting head 32 multiple close
Seal 323a.Multiple sealing rings, which are arranged, between inserting pipe and connecting tube can increase the leakproofness of the present apparatus.
As shown in figure 4, the bending angle α of the second tube body 31 can be 90 °.Bending angle is that 90 ° of the second tube body can be more
The position of the second pipe fitting is accurately adjusted to be connected to other pipelines.
Optionally, copper work may be used in the second tube body 31,32 and second cap nut 33 of the second flat shoulder grafting head, such as
It is made of T2, the making requirement of each component can be met while cheap.The making material of nipple 34 can be not
Become rusty steel, such as 1Cr18Ni9Ti.Nylon 1010 making can be used in sealing ring 323b.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of plumbing installation, which is characterized in that the plumbing installation includes the first pipe fitting, pipe fitting steering base and the second pipe
Connector,
First pipe fitting includes the first tube body, two the first flat shoulder grafting heads and two the first cap nuts, and described two the
One flat shoulder grafting head is coaxially connected at the both ends of first tube body respectively, and described two first cap nuts are respectively by corresponding
The first flat shoulder grafting head is movably set on first tube body, and the side of the opening direction of two first cap nuts
To opposite；
Second pipe fitting includes the second tube body and is arranged in the second flat shoulder grafting head of one end of second tube body and
Two cap nuts, second tube body are bend pipe, and second cap nut is movably set in by the described second flat shoulder grafting head
On second tube body, the other end of second tube body is provided with attaching nut；
The pipe fitting steering base includes connecting tube and steering tube, and the of one end of the connecting tube and first tube body one end
One cap nut connects, and the other end of the connecting tube is fixedly connected on the side wall of the steering tube, the connecting tube and institute
The angle for stating the axis of steering tube is 90 °, and the inside of the connecting tube is connected to the inside of the steering tube, the steering tube
One end closing, and the other end of the steering tube is connect by second cap nut with second pipe fitting.
2. plumbing installation according to claim 1, which is characterized in that two first flat shoulder grafting heads include connector sleeve
The annular endplate of cylinder and the one end for being co-axially located at the branch sleeve, the branch sleeve are sheathed on outside first tube body,
First cap nut is sheathed on outside the branch sleeve, and the annular endplate is located in first cap nut, and
The annular endplate partly overlaps in the axial direction with first cap nut.
3. plumbing installation according to claim 2, which is characterized in that close to the described first flat shoulder grafting head of the connecting tube
Further include the inserting pipe being co-axially located on the annular endplate, the inserting pipe is plugged in the connecting tube.
4. plumbing installation according to claim 3, which is characterized in that close to the described first flat shoulder grafting head of the connecting tube
The inserting pipe and the connecting tube between be provided with sealing ring.
5. plumbing installation according to claim 3, which is characterized in that the structure of the second flat shoulder grafting head with close to described
The structure of described first flat shoulder grafting head of connecting tube is identical.
6. plumbing installation according to claim 4, which is characterized in that the inserting pipe of the second flat shoulder grafting head and the company
There are multiple sealing rings between taking over.
7. plumbing installation according to claim 1, which is characterized in that close first pipe fitting of the connecting tube
Cyclic annular seam allowance is provided on the end face of one end, the steering tube stops close to one end end face of second pipe fitting equipped with ring-type
Mouthful, it is both provided with sealing ring in the ring-type seam allowance.
8. according to claim 1~7 any one of them plumbing installation, which is characterized in that the internal diameter of the connecting tube with it is described
The internal diameter of steering tube is equal.
9. according to claim 1~7 any one of them plumbing installation, which is characterized in that the bending angle of second tube body
It is 90 °.
10. according to claim 1~7 any one of them plumbing installation, which is characterized in that the internal diameter of first tube body and institute
The internal diameter for stating the second tube body is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711466042.4A CN108343799A (en) | 2017-12-28 | 2017-12-28 | A kind of plumbing installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711466042.4A CN108343799A (en) | 2017-12-28 | 2017-12-28 | A kind of plumbing installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108343799A true CN108343799A (en) | 2018-07-31 |
Family
ID=62962401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711466042.4A Pending CN108343799A (en) | 2017-12-28 | 2017-12-28 | A kind of plumbing installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108343799A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2572190Y (en) * | 2002-10-10 | 2003-09-10 | 李亚杰 | Elbow for gas pipe line |
| CN201434004Y (en) * | 2009-04-14 | 2010-03-31 | 玉环燃具实业有限公司 | Anti-disassembly connecting structure |
| CN201875312U (en) * | 2010-12-14 | 2011-06-22 | 中国船舶重工集团公司第七�三研究所 | Lap welding branch pipe threaded joint sealed by O-shaped rubber sealing ring |
| CN201875307U (en) * | 2010-12-13 | 2011-06-22 | 中国船舶重工集团公司第七�三研究所 | Square shoulder joint being suitable for O-shaped ring seal |
| CN204387500U (en) * | 2014-12-29 | 2015-06-10 | 珠海格力电器股份有限公司 | Intake-outlet linkage structure, water tank and water heater |
-
2017
- 2017-12-28 CN CN201711466042.4A patent/CN108343799A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2572190Y (en) * | 2002-10-10 | 2003-09-10 | 李亚杰 | Elbow for gas pipe line |
| CN201434004Y (en) * | 2009-04-14 | 2010-03-31 | 玉环燃具实业有限公司 | Anti-disassembly connecting structure |
| CN201875307U (en) * | 2010-12-13 | 2011-06-22 | 中国船舶重工集团公司第七�三研究所 | Square shoulder joint being suitable for O-shaped ring seal |
| CN201875312U (en) * | 2010-12-14 | 2011-06-22 | 中国船舶重工集团公司第七�三研究所 | Lap welding branch pipe threaded joint sealed by O-shaped rubber sealing ring |
| CN204387500U (en) * | 2014-12-29 | 2015-06-10 | 珠海格力电器股份有限公司 | Intake-outlet linkage structure, water tank and water heater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8991873B2 (en) | Device for connecting pipelines subjected to changes in axial length | |
| CN207634850U (en) | A kind of pipe fitting of adjustable length | |
| CN108343799A (en) | A kind of plumbing installation | |
| CN220185968U (en) | Ball valve sealing leakage-proof device | |
| JP2008014495A (en) | Quick coupling for threaded fitting | |
| CN104455815B (en) | Tapered sealing pipe connector for excavator | |
| CN101871800A (en) | Integral machining type Venturi tube and using method thereof | |
| CN213018212U (en) | Pipeline butt joint device | |
| CN104154360A (en) | Rotatable pipe joint | |
| CN200996510Y (en) | Telescopic reinforcing limiting compensater | |
| CN208703365U (en) | A kind of telescopic joint convenient for fixing with disassembly | |
| CN204042168U (en) | Modular functionality combined type ball valve | |
| CN207830783U (en) | Integral type spherical surface hose joint | |
| CN110470431A (en) | The pump pressure frock and hydraulic test method of radial pipeline | |
| CN104373718A (en) | Telescopic flange used for milk filter | |
| CN217003281U (en) | Flange for valve connection | |
| CN202660122U (en) | Circumferential rotation sealing shaft central water yielding mechanism | |
| CN207246617U (en) | A kind of Universal rotary joint | |
| CN204459557U (en) | A kind of steel pipe joint | |
| CN111623135A (en) | Ball valve with telescopic function | |
| CN203823294U (en) | Movable flange joint | |
| CN108869909A (en) | One kind can axial movable high pressure joint flange structure and attaching method thereof | |
| CN214789725U (en) | Bellows expansion joint with water conservancy diversion subassembly | |
| CN108953796A (en) | A kind of leakproof running water pipe | |
| CN205841956U (en) | A kind of Quick connected ball valve |
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: 20180731 |
|
| RJ01 | Rejection of invention patent application after publication |