CN108679339A - A kind of lubricating grease delivery pipe sealing and connecting device - Google Patents
A kind of lubricating grease delivery pipe sealing and connecting device Download PDFInfo
- Publication number
- CN108679339A CN108679339A CN201810779566.7A CN201810779566A CN108679339A CN 108679339 A CN108679339 A CN 108679339A CN 201810779566 A CN201810779566 A CN 201810779566A CN 108679339 A CN108679339 A CN 108679339A
- Authority
- CN
- China
- Prior art keywords
- disk
- delivery pipe
- tapped
- hole
- lubricating grease
- 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
- 239000004519 grease Substances 0.000 title claims abstract description 27
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 27
- 238000007789 sealing Methods 0.000 title claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 20
- 238000003466 welding Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 16
- 239000012535 impurity Substances 0.000 abstract description 13
- 230000032683 aging Effects 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 7
- 239000012466 permeate Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000012530 fluid Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007787 solid Substances 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
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
-
- 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
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
-
- 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
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
- F16L23/22—Flanged joints characterised by the sealing means the sealing means being rings made exclusively of a material other than metal
-
- 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
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/12—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing comprising a member substantially surrounding the pipe, cable or protective tubing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a kind of lubricating grease delivery pipe sealing and connecting devices, including the first disk and the second disk, the top of first disk offers the first tapped through hole, the internal whorl of first tapped through hole is connected with the first fastening bolt, the right end of first disk opens up fluted and card slot successively from top to bottom, inside grooves are placed with rubber seal, the left end of first disk and the right end of the second disk are all welded and connected with back seat, the outer wall of back seat is fixedly connected with delivery pipe, socket connection clamping element in the delivery pipe, clamping element includes metal fixing, the second tapped through hole is offered on the metal fixing.The present invention is by being arranged clamping element, rubber seal, card slot and the first fastening bolt, it is bad to solve sealing effect, use for a long time can permeate moisture and exogenous impurity, influence the chemical properties such as the antirust of lubricating grease, easy to fall off using meeting aging with long-time, service life is short to increase the problem of people bear.
Description
Technical field
The present invention relates to delivery pipe sealing and connecting device technical field, specially a kind of lubricating grease delivery pipe is tightly connected dress
It sets.
Background technology
Delivery pipe is exactly to be used to convey gas, liquid or with solid with what pipe, pipe connection and valve etc. were connected into
The device of the fluid of particle.In general, fluid after the superchargings such as air blower, compressor, pump and boiler, flows to from the high pressure of pipeline
At low pressure, pressure or the gravity conveying of fluid itself can also be used.Having many uses for delivery pipe is general, when wherein lubricating grease conveys
Need to use delivery pipe, lubricating grease is the grease-like semisolid of stiff, the structure of fat be vulnerable to the influence of various extraneous factors and
Variation just needs to accomplish to be tightly connected, cannot leak into moisture and exogenous impurity in conveying pipe connection.
But there is also following deficiencies for existing technology：
1, existing lubricating grease delivery pipe sealing and connecting device sealing effect is bad, and use for a long time can permeate moisture and external miscellaneous
Matter influences the chemical properties such as the antirust of lubricating grease；
2, existing lubricating grease delivery pipe sealing and connecting device is connect with delivery pipe connects usually using viscose glue, without other anti-
Shield measure, easy to fall off using meeting aging for a long time, service life is short, increases the burden of people.
Invention content
In view of the deficiencies of the prior art, it the present invention provides a kind of lubricating grease delivery pipe sealing and connecting device, solves close
Seal ineffective, use for a long time can permeate moisture and exogenous impurity, influence the chemical properties such as the antirust of lubricating grease, and for a long time
Easy to fall off using meeting aging, service life is short to increase the problem of people bear.
To achieve the above object, the present invention provides the following technical solutions：A kind of lubricating grease delivery pipe sealing and connecting device, packet
The first disk and the second disk are included, the top of first disk offers the first tapped through hole, and the first tapped through hole is interior
Portion is threaded with the first fastening bolt, and the right end of first disk opens up fluted and card slot successively from top to bottom, and recessed
Rubber seal is placed with inside slot, the left end of first disk and the right end of the second disk are all welded and connected with back seat, and
The outer wall of back seat is fixedly connected with delivery pipe, socket connection clamping element in the delivery pipe, and clamping element includes metal fixing.
Preferably, first fastening bolt sequentially passes through the first screw thread on the second disk and the first disk from right to left
Through-hole is bolted with the first hex nut.
Preferably, the groove on second disk and the first disk is mutually symmetrical with, and the left part of the first disk and second
The right part of disk is mutually symmetrical with.
Preferably, the left end of second disk is welded and connected with fixture block, and fixture block passes through the right side of card slot and the first disk
End clamping connection.
Preferably, the second tapped through hole is offered on the metal fixing, and the inner thread of the second tapped through hole connects
It is connected to the second fastening bolt.
Preferably, second fastening bolt passes through the second tapped through hole and the second hexagonal of metal fixing from front to back
Nut bolt connects.
The present invention provides a kind of lubricating grease delivery pipe sealing and connecting devices, have following advantageous effect：
（1）The present invention is by being arranged rubber seal, card slot, fixture block and the first fastening bolt, by the first of the first disk top
Tapped through hole internal whorl is connected with the first fastening bolt, and the first fastening bolt sequentially passes through the second disk and first from right to left
The first tapped through hole on disk is bolted with the first hex nut, achievees the effect that fix the second disk and the first disk,
Fluted and card slot is opened up by the right end of the first disk successively from top to bottom again, and fixture block passes through the right end of card slot and the first disk
Clamping connection, by increase contact area come lengthen water and exogenous impurity by path so that water and exogenous impurity are not easy to lead to
It crosses, is finally placed with rubber seal by the inside grooves on the first disk and the second disk, rubber seal is by one or several
The circular cowling of a part composition, is fixed between the labyrinth narrow on lasso or washer and with another lasso or washer contacts or formation
Gap can effectively prevent lubricating grease leakage and foreign object intrusion, to achieve the effect that sealed connection, solve sealing effect not
Good, use for a long time can permeate moisture and exogenous impurity, the problem of influencing the chemical properties such as the antirust of lubricating grease.
（2）The present invention is equipped with clamping by the way that clamping element and the second fastening bolt is arranged on the outer wall by back seat delivery pipe
Part, and the metal fixing on clamping element offers the second tapped through hole, the inner thread of the second tapped through hole is connected with second
Fastening bolt, the second fastening bolt pass through the second tapped through hole of metal fixing and the second hex nut bolt to connect from front to back
It connects, clamping element is socketed in the delivery pipe of back seat by when use, then rotates the second fastening bolt passes through metal fixing second
Tapped through hole is fixedly connected with the second hex nut, achievees the effect that fixed ducts and back seat, is solved without other anti-
Shield measure, easy to fall off using meeting aging for a long time, the short problem of service life.
Description of the drawings
Fig. 1 is the front elevational view of the present invention；
Fig. 2 is the schematic elevation view of the present invention；
Fig. 3 is the structural schematic diagram of clamping element in Fig. 1 of the present invention.
In figure：1, delivery pipe；2, clamping element；3, back seat；4, the first disk；5, rubber seal；6, the second disk；7, recessed
Slot；8, the first hex nut；9, card slot；10, fixture block；11, the first tapped through hole；12, the first fastening bolt；13, the second hexagonal
Nut；14, the second tapped through hole；15, the second fastening bolt；16, metal fixing.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figs. 1-3, the present invention provides a kind of technical solution：A kind of lubricating grease delivery pipe sealing and connecting device, including
The top of first disk 4 and the second disk 6, the first disk 4 offers the first tapped through hole 11, and the first tapped through hole 11 is interior
Portion is threaded with the first fastening bolt 12, and the first fastening bolt 12 sequentially passes through the second disk 6 and the first disk 4 from right to left
On the first tapped through hole 11 be bolted with the first hex nut 8, the right end of the first disk 4 offers recessed successively from top to bottom
Slot 7 and card slot 9, the groove 7 on the second disk 6 and the first disk 4 is mutually symmetrical with, and the left part of the first disk 4 and the second disk 6
Right part it is mutually symmetrical with, and rubber seal 5 is placed with inside groove 7, the left end of the second disk 6 is welded and connected with fixture block 10,
And fixture block 10 is clamped by the right end of card slot 9 and the first disk 4 and is connected, setting rubber seal 5, card slot 9, fixture block 10 and first
Fastening bolt 12 is connected with the first fastening bolt 12 by 11 internal whorl of the first tapped through hole on 4 top of the first disk, and first is tight
Fixing bolt 12 sequentially passes through the first tapped through hole 11 and the first hex nut 8 on the second disk 6 and the first disk 4 from right to left
It is bolted, achievees the effect that fix the second disk 6 and the first disk 4, then opened successively from top to bottom by the right end of the first disk 4
Equipped with groove 7 and card slot 9, and fixture block 10 is clamped by the right end of card slot 9 and the first disk 4 and is connected, by increasing contact area
Come lengthen water and exogenous impurity by path so that water and exogenous impurity not easily pass through, finally by the first disk 4 and second justify
It is placed with rubber seal 5 inside groove 7 on disk 6, the circular cowling that rubber seal 5 is made of one or several parts, Gu
It is scheduled on the labyrinth clearance narrow on lasso or washer and with another lasso or washer contacts or formation, can effectively prevent lubricating grease
It leaks out and foreign object intrusion solves that sealing effect is bad, and use for a long time can permeate moisture to achieve the effect that sealed connection
And exogenous impurity, the problem of influencing the chemical properties such as the antirust of lubricating grease, the right end of the left end of the first disk 4 and the second disk 6
It is all welded and connected with back seat 3, and the outer wall of back seat 3 is fixedly connected with delivery pipe 1, socket connection clamping element 2 in delivery pipe 1, and
Clamping element 2 includes metal fixing 16, offers the second tapped through hole 14 on metal fixing 16, and the second tapped through hole 14
Inner thread is connected with the second fastening bolt 15, and the second fastening bolt 15 passes through the second screw thread of metal fixing 16 from front to back
Through-hole 14 is bolted with the second hex nut 13, and clamping element 2 and the second fastening bolt 15 is arranged, by the outer of 3 delivery pipe 1 of back seat
Clamping element 2 is installed, and the metal fixing 16 on clamping element 2 offers the second tapped through hole 14, the second tapped through hole on wall
14 inner thread is connected with the second fastening bolt 15, and the second fastening bolt 15 passes through the second of metal fixing 16 from front to back
Tapped through hole 14 is bolted with the second hex nut 13, and clamping element 2 is socketed in the delivery pipe 1 of back seat 3 by when use, then is revolved
Turning the second fastening bolt 15 passes through the second tapped through hole 14 of metal fixing 16 to be fixedly connected with the second hex nut 13, reaches
The effect of fixed ducts 1 and back seat 3 is solved without other safeguard procedures, easy to fall off using meeting aging for a long time, is used
The problem of short life.
Operation principle：In use, being connected with the first fastening by 11 internal whorl of the first tapped through hole on 4 top of the first disk
Bolt 12, the first fastening bolt 12 sequentially pass through from right to left the first tapped through hole 11 on the second disk 6 and the first disk 4 with
First hex nut 8 is bolted, and achievees the effect that fix the second disk 6 and the first disk 4, then the right end by the first disk 4
Open up fluted 7 and card slot 9 successively from top to bottom, and fixture block 10 is clamped by the right end of card slot 9 and the first disk 4 and is connected, and is led to
Cross increase contact area lengthen water and exogenous impurity by path so that water and exogenous impurity not easily pass through, finally by the
Rubber seal 5 is placed with inside groove 7 on one disk 4 and the second disk 6, rubber seal 5 is by one or several parts
The circular cowling of composition, be fixed on lasso or washer and with another lasso or washer contacts or form narrow labyrinth clearance, can be with
Effective to prevent lubricating grease from leaking out and foreign object intrusion, to achieve the effect that sealed connection, it is bad to solve sealing effect, when long
Between use the problem of permeating moisture and exogenous impurity, influencing the chemical properties such as the antirust of lubricating grease, by 3 delivery pipe 1 of back seat
Clamping element 2 is installed, and the metal fixing 16 on clamping element 2 offers the second tapped through hole 14 on outer wall, the second screw thread is logical
The inner thread in hole 14 is connected with the second fastening bolt 15, and the second fastening bolt 15 passes through the of metal fixing 16 from front to back
Two tapped through holes 14 are bolted with the second hex nut 13, achieve the effect that fixed ducts 1 and back seat 3, solving does not have
Other safeguard procedures, easy to fall off using meeting aging for a long time, the short problem of service life.
It can to sum up obtain, the present invention is by being arranged clamping element 2, rubber seal 5, card slot 9, fixture block 10, the first fastening bolt
12 and second fastening bolt 15, it solves that sealing effect is bad, and use for a long time can permeate moisture and exogenous impurity, influences to lubricate
The chemical properties such as the antirust of fat, and it is easy to fall off using meeting aging for a long time, service life is short to increase the problem of people bear.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of lubricating grease delivery pipe sealing and connecting device, including the first disk（4）With the second disk（6）, it is characterised in that：Institute
State the first disk（4）Top offer the first tapped through hole（11）, and the first tapped through hole（11）Internal whorl be connected with
First fastening bolt（12）, first disk（4）Right end open up successively from top to bottom it is fluted（7）And card slot（9）, and it is recessed
Slot（7）Inside is placed with rubber seal（5）, first disk（4）Left end and the second disk（6）Right end all companies of welding
It is connected to back seat（3）, and back seat（3）Outer wall and delivery pipe（1）It is fixedly connected, the delivery pipe（1）Upper socket connects clamping element
（2）, and clamping element（2）Including metal fixing（16）.
2. a kind of lubricating grease delivery pipe sealing and connecting device according to claim 1, it is characterised in that：First fastening
Bolt（12）The second disk is sequentially passed through from right to left（6）With the first disk（4）On the first tapped through hole（11）With the one or six
Angle nut（8）It is bolted.
3. a kind of lubricating grease delivery pipe sealing and connecting device according to claim 1, it is characterised in that：Second disk
（6）With the first disk（4）On groove（7）It is mutually symmetrical with, and the first disk（4）Left part and the second disk（6）Right part it is mutual
It is symmetrical.
4. a kind of lubricating grease delivery pipe sealing and connecting device according to claim 1, it is characterised in that：Second disk
（6）Left end be welded and connected with fixture block（10）, and fixture block（10）Pass through card slot（9）With the first disk（4）Right end clamping connection.
5. a kind of lubricating grease delivery pipe sealing and connecting device according to claim 1, it is characterised in that：The metal is fixed
Part（16）On offer the second tapped through hole（14）, and the second tapped through hole（14）Inner thread be connected with the second fastening bolt
（15）.
6. a kind of lubricating grease delivery pipe sealing and connecting device according to claim 5, it is characterised in that：Second fastening
Bolt（15）Metal fixing is passed through from front to back（16）The second tapped through hole（14）With the second hex nut（13）Bolt connects
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810779566.7A CN108679339A (en) | 2018-07-16 | 2018-07-16 | A kind of lubricating grease delivery pipe sealing and connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810779566.7A CN108679339A (en) | 2018-07-16 | 2018-07-16 | A kind of lubricating grease delivery pipe sealing and connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108679339A true CN108679339A (en) | 2018-10-19 |
Family
ID=63814225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810779566.7A Pending CN108679339A (en) | 2018-07-16 | 2018-07-16 | A kind of lubricating grease delivery pipe sealing and connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108679339A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519619A (en) * | 2018-11-27 | 2019-03-26 | 河南美丽乡村环保科技有限公司 | A kind of sealing mechanism of the defeated universal pipes docking of biogas |
| CN111536355A (en) * | 2020-05-12 | 2020-08-14 | 合肥同源化工科技有限公司 | Plug-in type PPR plastic pipe fitting |
| CN115059819A (en) * | 2022-08-18 | 2022-09-16 | 江苏立中新材料科技有限公司 | Sealing element for aluminum alloy liquid conveying pipe |
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| GB823758A (en) * | 1956-08-28 | 1959-11-18 | Chemetron Corp | Flange-type pipe joints |
| US4305607A (en) * | 1977-01-26 | 1981-12-15 | Construction Forms, Inc. | Concrete pumping swivel coupling apparatus |
| CN201715151U (en) * | 2010-07-22 | 2011-01-19 | 湘电风能有限公司 | Pipe connector sealing connection device for steel pipe and rubber pipe |
| CN204141106U (en) * | 2014-10-19 | 2015-02-04 | 广东梅雁吉祥水电股份有限公司 | A kind of pipe joint |
| CN207195889U (en) * | 2017-09-26 | 2018-04-06 | 吉安锐迈管道配件有限公司 | A kind of flange seal component |
| CN207298173U (en) * | 2017-08-28 | 2018-05-01 | 中铁隧道集团二处有限公司 | A kind of TBM pipelines quick coupling device |
| CN208579055U (en) * | 2018-07-16 | 2019-03-05 | 新乡市恒星科技有限责任公司 | A kind of lubricating grease delivery pipe sealing and connecting device |
-
2018
- 2018-07-16 CN CN201810779566.7A patent/CN108679339A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB823758A (en) * | 1956-08-28 | 1959-11-18 | Chemetron Corp | Flange-type pipe joints |
| US4305607A (en) * | 1977-01-26 | 1981-12-15 | Construction Forms, Inc. | Concrete pumping swivel coupling apparatus |
| CN201715151U (en) * | 2010-07-22 | 2011-01-19 | 湘电风能有限公司 | Pipe connector sealing connection device for steel pipe and rubber pipe |
| CN204141106U (en) * | 2014-10-19 | 2015-02-04 | 广东梅雁吉祥水电股份有限公司 | A kind of pipe joint |
| CN207298173U (en) * | 2017-08-28 | 2018-05-01 | 中铁隧道集团二处有限公司 | A kind of TBM pipelines quick coupling device |
| CN207195889U (en) * | 2017-09-26 | 2018-04-06 | 吉安锐迈管道配件有限公司 | A kind of flange seal component |
| CN208579055U (en) * | 2018-07-16 | 2019-03-05 | 新乡市恒星科技有限责任公司 | A kind of lubricating grease delivery pipe sealing and connecting device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519619A (en) * | 2018-11-27 | 2019-03-26 | 河南美丽乡村环保科技有限公司 | A kind of sealing mechanism of the defeated universal pipes docking of biogas |
| CN111536355A (en) * | 2020-05-12 | 2020-08-14 | 合肥同源化工科技有限公司 | Plug-in type PPR plastic pipe fitting |
| CN111536355B (en) * | 2020-05-12 | 2021-12-17 | 圣大管业(芜湖)科技有限公司 | Plug-in type PPR plastic pipe fitting |
| CN115059819A (en) * | 2022-08-18 | 2022-09-16 | 江苏立中新材料科技有限公司 | Sealing element for aluminum alloy liquid conveying pipe |
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