CN201228827Y - Stainless steel pipeline joint external member - Google Patents
Stainless steel pipeline joint external member Download PDFInfo
- Publication number
- CN201228827Y CN201228827Y CNU2008201501676U CN200820150167U CN201228827Y CN 201228827 Y CN201228827 Y CN 201228827Y CN U2008201501676 U CNU2008201501676 U CN U2008201501676U CN 200820150167 U CN200820150167 U CN 200820150167U CN 201228827 Y CN201228827 Y CN 201228827Y
- Authority
- CN
- China
- Prior art keywords
- ring
- pipe
- stainless steel
- hole enlargement
- port
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Joints Allowing Movement (AREA)
Abstract
A stainless steel pipe joint set which resolves problems of easy rust erosion, short service life and adverseness to environment protection for the pipe joints comprises a pipe joint body with at least two ports, a sealing ring, a flange ring and a nut with internal threads, wherein the ports of the pipe joint body are respectively equipped with two diameter expanding rings by adopting stainless steel tubes, a port of a to-be-connected pipe which is inserted into the port of the joint body reaches the tail end of a small diameter expanding ring, a large diameter expanding ring is equipped with external threads, the sealing ring sleeved at the head of the to-be-connected pipe is located at the tail end inside the large diameter expanding ring, the sealing ring which is attached to a sealing loop sleeve tightly is sleeved at the head of the to-be-connected pipe, the flange ring is disposed at the head of to-be-connected pipe away from the port via an L distance, one edge of the flange ring is connected with the sealing ring, the nut with internal threads is screwed with the external threads of the large diameter expanding ring, and the top end of the nut is provided with a reducing inner platform connected with the other edge of the flanged ring. The utility model has the advantages of corrosion resistance, oxidation resistance, acid-alkali resistance, high-temperature resistance, long service life, convenient installation, saving raw material and favoring environmental protection.
Description
Technical field
The utility model relates to a kind of pipe coupling, refers in particular to be used for water oil, the stainless steel pipeline splice kit in gas and other low-pressure fluid delivery line.
Background technique
Be used for water in the market, oil, the kind of the pipe coupling in gas and other low-pressure fluid delivery line is a lot, and more general have cast iron joint, cast copper joint, forge copper joint, smart casting stainless joint and an injection molding joint etc.They are widely used in industry and civilian installation, and solve pipeline and connect, the fluid shunting, valve and problems such as gauge outfit is connected, consumption is very big.But there is following shortcoming in above-mentioned traditional pipe coupling:
1, say from material:
Iron joint easy-to-rust, intensity is low, easy to leak, the life-span is short.
The easy oxidation of copper sleeve, acid resistant alkali not, polluted water is unfavorable for environmental protection.
The plastic joint non-refractory, and pollution is arranged.
Cast member has trachoma, easy to leak.
2, say from structure:
Wall thickness is big, is generally 3-4mm, and effectively internal diameter is little, has both wasted raw material, influences the flow of pipeline inner fluid again.
Pipe coupling is adopted with connected tube and is threaded, this is threaded and only plays interconnect function, there is not seal action, sealing also needs auxiliary material, tubule when sealing auxiliary material adopts raw meal belt, and auxiliary material adopts flax silk to add paint, these auxiliary material poor sealing performance easy to leak during the big seal of tube, pollution is arranged, be unfavorable for environmental protection.
3, say from use:
Inconvenient by dress.
Therefore, expecting on the market a kind of novel pipe coupling external member to occur, to overcome the shortcoming of above-mentioned conventional pipelines joint always.
The model utility content
The purpose of this utility model is in order to solve the problem that above-mentioned prior art exists, a kind of corrosion that is difficult for to be provided, be difficult for oxidation, and acid resistant alkali is high temperature resistant, long service life, and convenient by dress, raw material are saved and environmentally friendly thin-walled stainless steel tube splice kit.
The purpose of this utility model is to realize like this.
A kind of stainless steel pipeline splice kit is characterized in that comprising with lower member:
The pipe coupling main body 11 that has two ports at least, adopt the Stainless Steel Tube material, each port in adapter body 11 is equipped with two the hole enlargement rings of diameter greater than adapter body body 113 respectively: the big hole enlargement ring 111 of outer end and inner little hole enlargement ring 112, and form step respectively in tail end separately, the external diameter of the internal diameter of described little hole enlargement ring 112 and pipe to be connected 14 is complementary, the port of described pipe to be connected 14 is inserted in the port of adapter body 11 and arrives till the terminal step place of little hole enlargement ring 112, and described big hole enlargement ring 111 has outside thread;
The head of described pipe to be connected 14 is being equipped with a flanged ring 141 on the distance of port L, one side of described flanged ring 141 joins with described seal ring 13, and described L is the width sum that is equal to or less than large and small hole enlargement ring 111,112;
The beneficial effects of the utility model:
In the stainless steel pipeline splice kit of the present utility model because the pipe coupling main body is with leading directly to that the thin-wall stainless steel tube material is made, threeway, pipe joints such as elbow and corresponding supporting seal ring made from the silica gel material and the seal ring made from stainless steel, the flanged ring that cooperates the port of pipe to be connected to be equipped with again is the positioning device that is connected and fixed, therefore, this external member has the corrosion of being difficult for, be difficult for oxidation, acid resistant alkali, high temperature resistant, long service life, convenient by dress, raw material are saved and are helped characteristics such as environmental protection.In addition, owing to make the pipe coupling main body with the thin-wall stainless steel tube material, the working aperture of pipeline is big, and sectional area is 1.5 times of conventional galvanized iron conduit, and joint inside lock radian is big and smooth, and the damping of convection cell is little, so the flow of pipeline is big.
This external member also has easy and simple to handle, broad-spectrum advantage.
For further specifying above-mentioned purpose of the present utility model, structural feature and effect, the utility model is elaborated below with reference to accompanying drawing.
Description of drawings
Fig. 1 is one of example of the present utility model: the pipe coupling main body is the complete figure of free flow coupling;
Fig. 2 is two of example of the present utility model: the pipe coupling main body is the complete figure of reducing free flow coupling;
Fig. 3 is three of example of the present utility model: the pipe coupling main body is the complete figure of female branch tee pipe joint;
Fig. 4 is four of example of the present utility model: the pipe coupling main body is the complete figure of male t;
Fig. 5 is five of example of the present utility model: the pipe coupling main body is the complete figure of male elbow pipe joint;
Fig. 6 is six of example of the present utility model: the pipe coupling main body is the complete figure of internal thread swan neck joint;
Fig. 7 is seven of example of the present utility model: the pipe coupling main body is the schematic representation of connecting tube joint water meter pipe joint;
Fig. 8 is eight of an example of the present utility model: the pipe coupling main body is the complete figure of the water meter pipe joint of connection straight tube;
Fig. 9 is nine of example of the present utility model: the pipe coupling main body is the internal and external threads crossover sub.
Figure 10 is ten of example of the present utility model: the pipe coupling main body is the Gap bridge bent-tube joint.
The explanation of the main mark in the accompanying drawing:
11,21,31,41,51,61,81,101: the pipe coupling main body;
12,22,32,42,52,62,82,102: seal ring;
13,23,33,43,53,63,83,103: seal ring;
14,24,34,44,54,64,104: pipe to be connected;
15,25,35,45,55,65,85,105: nut.
Embodiment
Engage embodiment's accompanying drawing below, the embodiment of stainless steel pipeline splice kit of the present utility model is elaborated.
Referring to Fig. 1, Fig. 1 is one of example of the present utility model: the pipe coupling main body is the complete figure of free flow coupling.Right-hand member among Fig. 1 is the modular construction explosive view of an end of pipe coupling main body, and left end is the structural drawing (Fig. 2,3,4,5,6,8,10 is also like this, does not do repeat specification below) after the component-assembled of the other end of pipe coupling main body.
Stainless steel pipeline splice kit of the present utility model comprises with lower member.
Pipe coupling main body 11 adopts the thin-wall stainless steel tube material, can select seamless steel pipe or welded steel pipe for use by contained physicochemical properties of fluid (for example the pressure of fluid etc.) difference.The thickness of steel pipe is 1.2mm～1.5mm, and for Φ 16mm during to Φ 32mm, it is the steel pipe of 1.2mm that pipe coupling main body 11 adopts wall thickness at the diameter of pipe 14 to be connected.For Φ 40mm during to Φ 76mm, it is the steel pipe of 1.5mm that pipe coupling main body 11 adopts wall thickness at the diameter of pipe 14 to be connected.Be equipped with two the hole enlargement rings of diameter on two ports of described adapter body 11 respectively: the big hole enlargement ring 111 of outer end and inner little hole enlargement ring 112 (112 ') greater than adapter body body (113), and form step respectively in tail end separately, the internal diameter of little hole enlargement ring 112 (112 ') is complementary with the external diameter of pipe 14 to be connected (14 ') respectively, during use, the port of pipe 14 to be connected (14 ') is inserted in the port of adapter body 11 and arrives till the terminal step place of little hole enlargement ring 112 (112 '), and the pipeline guiding and the orientation problem of pipe 14 to be connected (14 ') of having determined is situated between.Big hole enlargement ring 111 has adopted extrusion technique to thicken 1.6mm to 3.0mm, and has outside thread.
Nut 15 (15 '), it is an outer anistree internal thread nut, the outside thread of the big hole enlargement ring 111 of this internal thread and pipe joint body 11 is screwed, there is a undergauge inner platform 151 on the top of nut 15, its internal diameter is slightly larger than the external diameter of pipe 14 to be connected (14 '), but less than the external diameter of described flanged ring 141, the inner platform 151 of the another side of described flanged ring 141 and nut 15 (15 ') joins, and makes flanged ring 141 become the positioning device that pipe to be connected 14 and pipe joint body 11 are connected and fixed.
As shown in Figure 1, if when the outside dimension of the pipe to be connected 14 (14 ') at pipe joint body 11 two ends is identical, the structure at pipe joint body 11 two ends and measure-alike, concrete size is by the outside dimension of pipe 14 to be connected (14 ') and decide.
As shown in Figure 2, if the outside dimension of the pipe to be connected 24 (24 ') at pipe joint body 21 two ends is not simultaneously, pipe joint body 21 adopts reduction nipple to be situated between and determines, i.e. the structure difference at pipe joint body 11 two ends.Be equipped with two hole enlargement rings on the port of pipe joint body 21 respectively: the big hole enlargement ring 211 of outer end and inner little hole enlargement ring 212, and form two steps respectively, the external diameter of the internal diameter of little hole enlargement ring 212 and minor diameter pipe 24 to be connected is complementary, equally, the seal ring 22 that uses at minor diameter pipe 24 1 ends to be connected, seal ring 23, nut 25 mate with the big hole enlargement ring 211 of minor diameter pipe 24 to be connected and pipe joint body 21.With the nut 25 of an end of major diameter pipe 24 to be connected ' match ' with above-mentioned minor diameter pipe 24 to be connected, nut 25 is the same, but enlarged diameter.Employed seal ring, seal ring (not shown) mate with the big hole enlargement ring (not shown) of large diameter pipe joint body.
Fig. 3,4,5,6,10 represents that respectively the pipe coupling main body is the complete figure of female branch tee pipe joint, male t, male elbow pipe joint, internal thread swan neck joint and Gap bridge bent-tube joint.Each seal ring 32,42,42 shown in each figure ', 52,62,102,102 ', each seal ring 33,43,43 ', 53,63,103,103 ' 103,103 ', each nut 35,35 ', 45,45 ', 45 ＂, 55,55 ', 65,105,105 ', 105,105 ', each pipe 34,34 to be connected ', 44,44 ', the structure of 44 ＂, 54,54 ', 64,104,104 ' such as the seal ring 12 described in above-mentioned Fig. 1, seal ring 13, nut 15, the structure of pipe 14 to be connected is the same, is not repeated in this description at this.
As Fig. 3,4,5,6, shown in 10, pipe coupling main body 31 in the stainless steel pipeline splice kit of the present utility model, 41,51,61, no matter 101 is female branch tee pipe joints, male t, the male elbow pipe joint, internal thread swan neck joint or Gap bridge bent-tube joint, all with Fig. 1 in the pipe coupling main body be that free flow coupling is the same, all and connected pipe 34 to be connected, 34 ', 44,44 ', 44 ＂, 54,54 ', 64,104, this end of 104 ' connection, all have: be equipped with two hole enlargement rings: the big hole enlargement ring 311 of outer end, 411,411 ', 511,611,1011,1011 ' and inner little hole enlargement ring 312,312 ', 412 ', 412 ＂, 512,512 ', 612,1012,1012 ' and form two steps respectively, the internal diameter of each little hole enlargement ring respectively with pipe 34 to be connected, 34 ', 44,44 ', 44 ＂, 54,54 ', 64,104,104 ' external diameter be complementary, each big hole enlargement ring has adopted more than the extrusion technique thickening 1.6mm, and has outside thread.
In sum, pipe coupling main body in the stainless steel pipeline splice kit of the present utility model is that two ports (straight-through or threeway or elbow or other lead to) are arranged more at least, when if the diameter of the connected pipe to be connected of each port is identical, the external member structure of each port of pipe joint body and measure-alike, concrete size is decided by the outside dimension of pipe to be connected; If the diameter of the connected pipe to be connected of each port is not simultaneously, pipe joint body adopts reduction nipple, and the external member structure of each port is identical, but the size difference, the concrete size of each port external member is decided by the outside dimension of pipe to be connected respectively.
The assembling of each port external member as shown in Figure 1, when nut 15 during with the right-hand member of pipe 14 insertion tube adapter body 11 to be connected, pipe 14 to be connected is finally located at the little hole enlargement ring 112 terminal step places of pipe joint body 11, flanged ring 141 promotion seal rings 13 and seal ring 12 enter the inwall of big hole enlargement ring 111 simultaneously, when nut 15 is tightened with the outside thread of the big hole enlargement ring 111 of pipe joint body 11, seal ring 12 is by seal ring 13, the outer wall of pipe 14 to be connected, be compressed in the space of the inwall of big hole enlargement ring 111 and the big hole enlargement ring 111 terminal step places compositions that are connected with little hole enlargement ring 112, form seal area.
After nut 15 usefulness wrench were tightened, the flanged ring 141 of pipe 14 to be connected was close to the undergauge inner platform 151 of nut 15, had just realized being tightly connected of right-hand member of pipe 14 to be connected and pipe joint body 11.The other end is handled equally, and then being tightly connected of two pipelines just finished.Each port of the pipe joint body of other different shapes is so operation all.
Fig. 7-the 9th, the special use of stainless steel pipeline splice kit of the present utility model.
Pipe coupling main body 71 among Fig. 7 is watermeter connectors of connecting tube joint, the pipe to be connected 74 of its left-hand end, nut 75 for the minor diameter pipe 24 to be connected that is equivalent to Fig. 2 ', nut 25 '.The diameter of pipe 74 to be connected with treat that the pipe coupling of water receiving table gauge outfit is complementary, also to mix seal ring and seal ring (not shown) certainly.The pipeline opening of flange that the right side port has been roll extrusion, octagon nut 76 that matches with water meter outlet screw of overcoat.
Pipe coupling main body 81 among Fig. 8 is the watermeter connectors that connect straight tube, its right-hand end: the big hole enlargement ring 811 of outer end and inner little hole enlargement ring 812, and form two steps respectively, for being equivalent to the large and small hole enlargement ring 211,212 of Fig. 2, and subsidiary seal ring 82, seal ring 83, pipe to be connected (waiting to connect the pipeline of gauge outfit) 84, nut 85.Diameter with wait that the pipeline that connects gauge outfit is complementary.The left side port pipeline opening of flange that has been roll extrusion, one in overcoat export the octagon nut 86 that screw matches with water meter.
To the joint of internal and external threads conversion, an end of pipe coupling main body 91 was and the male end 911 of the internal thread coupling of pipe to be connected that the other end is the outer anistree internal thread nut of same size when Fig. 9 was necessary in connecting for pipeline.
Figure 10 often runs into during for conduit arrangements intersects situation about not communicating, used Gap bridge bent-tube joint.
From above description, can see the characteristics of the utility model pipe joint:
Pipe joint body adopts thin-wall stainless steel, and the wall thickness after the moulding has only 1.2mm to 1.5mm, and material is greatly saved.
The working aperture is big, and associated Stainless Steel Tube wall thickness is thinner, is example with nominal diameter Φ 25mm, and pipeline wall thickness 0.8mm gets final product, and the pipe orifice sectional area is 1.5 times of conventional galvanized iron conduit.Joint inside lock radian is big and smooth, and the damping of convection cell is little, so the flow of pipeline is big.
The all material of pipe joint all is nontoxic material.Therefore institute's carrying object is not polluted.
Simple by dress, health does not need any auxiliary material
The material of seal ring and structure have guaranteed the withstand voltage of joint, heat resistance and chemical stability.
Reach working life more than 50 years, synchronous with building.
The pipe joint body that uses in the utility model with extrusion stretching technology and argon arc welding technique engage (separate case is applied for a patent) make straight-through, threeway, elbow, reducing, the pipe joint that different external diameter such as watermeter connector does not wait to Φ 76mm from Φ 16mm.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the purpose of this utility model, and be not with opposing qualification of the present utility model, as long as in essential scope of the present utility model, all will drop in the scope of claim of the present utility model the above embodiment's variation, modification.
Claims (9)
1, a kind of stainless steel pipeline splice kit is characterized in that comprising with lower member:
The pipe coupling main body (11) that has two ports at least, adopt the Stainless Steel Tube material, each port in adapter body (11) is equipped with two the hole enlargement rings of diameter greater than adapter body body (113) respectively: the big hole enlargement ring (111) of outer end and inner little hole enlargement ring (112), and form step respectively in tail end separately, the external diameter of the internal diameter of described little hole enlargement ring (112) and pipe to be connected (14) is complementary, the port of described pipe to be connected (14) is inserted in the port of adapter body (11) and arrives till the terminal step place of little hole enlargement ring (112), and described big hole enlargement ring (111) has outside thread;
Seal ring (12) is placed on the head outer surface of described pipe to be connected (14), and external diameter and described big hole enlargement ring (111) coupling are positioned the terminal step place in the described big hole enlargement ring (111);
Seal ring (13), external diameter, internal diameter and described seal ring (12) mate and are close to the head outer surface that described seal ring (12) is placed on described pipe to be connected (14);
The head of described pipe to be connected (14) is being equipped with a flanged ring (141) on the distance of port L, one side of described flanged ring (141) joins with described seal ring (13), and described L is for being equal to or less than the width sum of large and small hole enlargement ring (111,112);
Nut (15), it is an outer anistree internal thread nut, the outside thread of the big hole enlargement ring (111) of this internal thread and described pipe joint body (11) is screwed, there is a undergauge inner platform (151) on the top of nut (15), its internal diameter is greater than the external diameter of pipe to be connected (14), but less than the external diameter of described flanged ring (141), the another side of described flanged ring (141) and described inner platform (151) join.
2, stainless steel pipeline splice kit as claimed in claim 1 is characterized in that:
Described Stainless Steel Tube material is seamless steel pipe or welded steel pipe.
3, stainless steel pipeline splice kit as claimed in claim 1 or 2 is characterized in that:
The thickness of described steel pipe is 1.2mm～1.5mm.
4, stainless steel pipeline splice kit as claimed in claim 1 is characterized in that:
Described big hole enlargement ring (111) thickness is 1.6mm～3.0mm.
5, stainless steel pipeline splice kit as claimed in claim 1 is characterized in that:
Described seal ring (12) is mountain font or O type.
6, as claim 1 or 5 described stainless steel pipeline splice kits, it is characterized in that:
Described seal ring (12) adopts the silica gel material.
7, stainless steel pipeline splice kit as claimed in claim 1 is characterized in that:
Described seal ring (13) is the packing ring made from Stainless Sheet Steel.
8, stainless steel pipeline splice kit as claimed in claim 1 is characterized in that:
Described flanged ring (141) is semi-circular ring.
9, stainless steel pipeline splice kit as claimed in claim 1 is characterized in that:
The diameter of the connected pipe to be connected of each port of described pipe coupling main body (21) (24,24 ') not simultaneously, described pipe joint body (21) is a reduction nipple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201501676U CN201228827Y (en) | 2008-06-27 | 2008-06-27 | Stainless steel pipeline joint external member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201501676U CN201228827Y (en) | 2008-06-27 | 2008-06-27 | Stainless steel pipeline joint external member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201228827Y true CN201228827Y (en) | 2009-04-29 |
Family
ID=40633778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201501676U Expired - Fee Related CN201228827Y (en) | 2008-06-27 | 2008-06-27 | Stainless steel pipeline joint external member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201228827Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953975A (en) * | 2011-08-31 | 2013-03-06 | 上海宝钢化工有限公司 | External pipeline connecting structure for metering pump |
| CN103148247A (en) * | 2013-03-27 | 2013-06-12 | 江苏七政新能源有限公司 | One-way vacuum valve convenient to joint |
| CN104024715A (en) * | 2011-12-27 | 2014-09-03 | 中央硝子株式会社 | Fitting for gas filling container, gas filling container, gasket, and pipe fitting |
| CN109387250A (en) * | 2018-09-21 | 2019-02-26 | 上海熊猫机械(集团)有限公司 | Liquid stream tubular type gauge table and its manufacturing process |
| CN113074325A (en) * | 2021-03-13 | 2021-07-06 | 宝钛华神钛业有限公司 | Passageway air leakage detection device for sponge zirconium reduction |
| CN113857844A (en) * | 2021-09-27 | 2021-12-31 | 宁波聚华光学科技有限公司 | Automatic assembling device for bent core hydraulic connector |
-
2008
- 2008-06-27 CN CNU2008201501676U patent/CN201228827Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953975A (en) * | 2011-08-31 | 2013-03-06 | 上海宝钢化工有限公司 | External pipeline connecting structure for metering pump |
| CN102953975B (en) * | 2011-08-31 | 2015-08-05 | 上海宝钢化工有限公司 | A kind of metering pump external pipeline linkage structure |
| CN104024715A (en) * | 2011-12-27 | 2014-09-03 | 中央硝子株式会社 | Fitting for gas filling container, gas filling container, gasket, and pipe fitting |
| CN104024715B (en) * | 2011-12-27 | 2016-08-24 | 中央硝子株式会社 | Gas filling container joint, gas filling container, pad and pipe joint |
| CN103148247A (en) * | 2013-03-27 | 2013-06-12 | 江苏七政新能源有限公司 | One-way vacuum valve convenient to joint |
| CN109387250A (en) * | 2018-09-21 | 2019-02-26 | 上海熊猫机械(集团)有限公司 | Liquid stream tubular type gauge table and its manufacturing process |
| CN113074325A (en) * | 2021-03-13 | 2021-07-06 | 宝钛华神钛业有限公司 | Passageway air leakage detection device for sponge zirconium reduction |
| CN113857844A (en) * | 2021-09-27 | 2021-12-31 | 宁波聚华光学科技有限公司 | Automatic assembling device for bent core hydraulic connector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201228827Y (en) | Stainless steel pipeline joint external member | |
| CN204493936U (en) | The joint connecting structure of anticorrosion composite pipe | |
| CN201237039Y (en) | Detachable fast joint | |
| CN2851799Y (en) | Quick leak-stopping joint for pipeline | |
| CN201502823U (en) | Metal and plastic composite pipe connecting device | |
| CN201206678Y (en) | Conical surface sealed composite stainless steel tube for fluid | |
| CN201858454U (en) | Splicing pipe connecting pipe fitting with bushing | |
| CN218267734U (en) | Pipe end forming component for hydraulic pipeline connection | |
| CN217634359U (en) | Dual-function composite pipe joint | |
| CN217899116U (en) | Area extrusion type crossover sub | |
| CN2374732Y (en) | Aluminium-plastic compound tube hole plugging joint | |
| CN209909372U (en) | Pipe inserting and screwing connector | |
| CN206130404U (en) | Connection structure of lining fluorine pipe | |
| CN104455871B (en) | A kind of three-limb tube part | |
| CN202176855U (en) | Quick joint for pipeline | |
| CN221857899U (en) | A PE socket elbow | |
| CN201180873Y (en) | Thin walled pipe connector | |
| CN208546628U (en) | Double card reduce off-flavor diameter pipeline connecting parts | |
| CN218914039U (en) | Low-pressure fluid conveying pipe connecting piece | |
| CN215721608U (en) | Three-way pipe fittings with improved structure | |
| CN223537133U (en) | A type of seamless steel pipe that is easy to connect | |
| CN205173819U (en) | Stainless steel covers moulds internal thread elbow | |
| CN216896178U (en) | High-strength pollution-free PE pipe | |
| CN102454841A (en) | Inserted connecting pipe fitting with bushing | |
| CN202252566U (en) | Electric-smelting pipe joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090429 Termination date: 20140627 |
|
| EXPY | Termination of patent right or utility model |