CN202831093U - Connecting structure of water supply and drainage plastic tubes - Google Patents

Connecting structure of water supply and drainage plastic tubes Download PDF

Info

Publication number
CN202831093U
CN202831093U CN 201220301184 CN201220301184U CN202831093U CN 202831093 U CN202831093 U CN 202831093U CN 201220301184 CN201220301184 CN 201220301184 CN 201220301184 U CN201220301184 U CN 201220301184U CN 202831093 U CN202831093 U CN 202831093U
Authority
CN
China
Prior art keywords
face
main body
pipe box
welding
weld
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
Application number
CN 201220301184
Other languages
Chinese (zh)
Inventor
林慧鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN 201220301184 priority Critical patent/CN202831093U/en
Application granted granted Critical
Publication of CN202831093U publication Critical patent/CN202831093U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Sink And Installation For Waste Water (AREA)

Abstract

A connecting structure of water supply and drainage plastic tubes comprises an A connecting body, a B connecting body and a tube sleeve, wherein a plurality of planes are arranged on the outer surface of the tube sleeve axially, an A inner welding face and a B inner welding face are arranged in the tube sleeve, an A outer welding face is arranged at one end of the tube sleeve, a B welding face is arranged at the other end of the tube sleeve, an A welding end face and an A welding table face are arranged on the A connecting body, a B welding end face and a B welding table face are arranged on the B welding body, the A welding end face is welded with the A inner welding face, the A welding table face is welded with the A outer welding face, the B welding end face is welded with the B inner welding face, and the B welding table face is welded with the B outer welding face. Another similar structure is that an inner glue blocking wall is arranged in the tube sleeve and an outer glue blocking wall is arranged on the tube sleeve. According to the connecting structure, raw materials can be saved, and quality of products and connecting and sealing speed can be improved.

Description

A kind of feedwater and draining plastic pipe syndeton
Technical field
The utility model relates to feedwater and draining plastic pipe laying technology field, particularly relates to a kind of feedwater and draining plastic pipe syndeton.
Background technology
In the modern life, along with the continuous increase of housing, the demand of civilian register one's residence feedwater and draining plastic pipe is also in continuous growth.In that civilian registering one's residence when feedwater and draining plastic pipe is installed, two plastic pipes connections need to be sealed.The feedwater of prior art is connected sealing and adopts hot melting way and carry out manual operations two plastic pipes connections are sealed with the draining plastic pipe, be exactly axial external surface (near the part of interface) and the interface heat fused of two plastic pipes that will dock, and the axial inner surface of two plastic pipes that will dock (near the part of interface) heat fused, wrap again the joint of these two plastic pipes with pipe box, cool off, solidify, reach the purpose that two plastic pipes connect sealing.The external diameter of the internal diameter of described pipe box and two plastic pipes that dock about equally, the external diameter of pipe box is larger, and therefore, the material of making described pipe box consumption is more, in other words, be connected hot melting way to connect the material that sealing consumes with the draining plastic pipe more in the feedwater of prior art; And adopt manual operations that two plastic pipes are connected and be sealed, two plastic pipes connect the quality that seals and can not be guaranteed, and namely the welding quality of feedwater and draining plastic pipe can not be guaranteed; The welding efficiency of feedwater and draining plastic pipe is low, because the welding job of feedwater and draining plastic pipe is manual, so welding efficiency is low, does not reach the requirement of feedwater and draining plastic pipe installation rate in housing.Therefore, people urgently wish a kind of feedwater and the appearance of draining plastic pipe syndeton.
Summary of the invention
Technical problem to be solved in the utility model is: the feedwater that overcomes prior art is connected with the draining plastic pipe and connects the defective that material is more, welding quality can not be guaranteed that consumes in the seal process, two kinds of structures similarly feedwater and draining plastic pipe syndeton are provided, these two kinds of feedwater and draining plastic pipe syndeton can be saved raw material, its connection sealing can be good, and welding quality is high.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of feedwater and draining plastic pipe syndeton, comprise that A connects main body and is connected main body with B, this feedwater and draining plastic pipe syndeton also comprise pipe box, on the axial external surface of pipe box, evenly be provided with vertically a plurality of planes of being convenient to clamping for friction welding machine at friction welding process, in pipe box, be provided with face of weld in the A near an end, in pipe box, be provided with face of weld in the B near the other end, be provided with face of weld outside the A at pipe box one end, face of weld outside the pipe box other end is provided with a B, connect main body at A and be provided with an A welding end face and an A welding table top, connect main body at B and be provided with a B welding end face and a B welding table top, A welding end face and the interior face of weld of the A in the pipe box that A connects main body are welded together, A connects the A welding table top of main body and the outer face of weld of A of pipe box one end is welded together, B welding end face and the interior face of weld of the B in the pipe box that B connects main body are welded together, and B connects the B welding table top of main body and the outer face of weld of B of the pipe box other end is welded together.
Further, described A connection main body is any one in A straight tube, A elbow, A threeway or the A four-way.
Further, described B connection main body is any one in B straight tube, B elbow, B threeway or the B four-way.
As preferably, on the axial external surface of pipe box, evenly be provided with vertically six planes being convenient to clamping for friction welding machine at friction welding process.
Another kind of similar structures of the present utility model is: a kind of feedwater and draining plastic pipe syndeton, comprise that A connects main body and is connected main body with B, this feedwater and draining plastic pipe syndeton also comprise pipe box, on the axial external surface of pipe box, evenly be provided with vertically a plurality of planes of being convenient to clamping for friction welding machine at friction welding process, in pipe box, be provided with face of weld in the A near an end, in pipe box, be provided with face of weld in the B near the other end, connect main body at A and be provided with an A welding end face, connect main body at B and be provided with a B welding end face, A welding end face and the interior face of weld of the A in the pipe box that A connects main body are welded together, and face of weld is welded together in the B welding end face of B connection main body and the B in the pipe box; In pipe box, be provided with to keep off in Jiao Qiang and the B in the A and keep off Jiao Qiang, outside pipe box is provided with an A, keep off outside Jiao Qiang and the B and keep off Jiao Qiang, the interior face of weld of A keeps off outside A and keeping off in Jiao Qiang and the A between the glue wall, and A keeps off the interior face of weld of Jiao Qiang, A outward is connected gear Jiao Qiang composition one for be connected the annular groove that main body welds together with A with A; The interior face of weld of B keeps off outside B and keeping off in Jiao Qiang and the B between the glue wall, and B keeps off the interior face of weld of Jiao Qiang, B outward is connected gear Jiao Qiang composition one for be connected the annular groove that main body welds together with B with B.
Further, described A connection main body is any one in A straight tube, A elbow, A threeway or the A four-way.
Further, described B connection main body is any one in B straight tube, B elbow, B threeway or the B four-way.
As preferably, on the axial external surface of pipe box, evenly be provided with vertically six planes being convenient to clamping for friction welding machine at friction welding process.
The beneficial effects of the utility model are: 1, the utility model is in connecting seal process, and its raw materials consumption amount reduces, and can save the raw material more than 50%, thereby reduce cost; This is because its length of pipe box of prior art is longer, external diameter is larger, the wall thickness dimension that is pipe box is larger, and its length of the pipe box in the utility model is shorter, and external diameter is less, the wall thickness dimension that is pipe box is less, so the pipe box in the utility model is compared with the pipe box of prior art, the raw materials consumption amount reduces, can save the raw material more than 50%, thereby reduce cost.2, its connection sealing of this feedwater and draining plastic pipe syndeton can be good, and welding quality is high, can improve the quality of feedwater and the laying of draining plastic pipe in the housing.3, the utility model is connected with draining plastic pipe friction welding machine with a kind of feedwater and is sealed, can satisfy the requirement of feedwater and draining plastic pipe installation rate in housing, and can improve feedwater is connected sealing with the draining plastic pipe speed, and increase work efficiency, time saving and energy saving.4, with manual operations two plastic pipes are connected to be sealed and compare, the utility model is connected with draining plastic pipe friction welding machine with a kind of feedwater and is sealed, and need not use the electric energy heat fused, thereby reduce energy consumption, reaches energy-conservation purpose.5, this feedwater and draining plastic pipe syndeton are reasonable in design, practical, and produce market has a extensive future.
Description of drawings
Fig. 1 is the sectional view of the pipe box among the embodiment one to embodiment four of the present utility model;
Fig. 2 is the left view of the pipe box among the embodiment one to embodiment four of the present utility model;
Fig. 3 is the right view of the pipe box among the embodiment one to embodiment four of the present utility model;
Fig. 4 is the sectional view after the parts of first embodiment of the utility model decompose;
Fig. 5 is the sectional view behind the assembling parts of first embodiment of the utility model;
Fig. 6 is the sectional view behind the assembling parts of second embodiment of the utility model;
Fig. 7 is the sectional view behind the assembling parts of the 3rd embodiment of the utility model;
Fig. 8 is the sectional view behind the assembling parts of the 4th embodiment of the utility model;
Fig. 9 is the sectional view of the pipe box among the embodiment five to embodiment eight of the present utility model;
Figure 10 is the left view of the pipe box among the embodiment five to embodiment eight of the present utility model;
Figure 11 is the right view of the pipe box among the embodiment five to embodiment eight of the present utility model;
Figure 12 is the sectional view after the parts of the 5th embodiment of the utility model decompose;
Figure 13 is the sectional view behind the assembling parts of the 5th embodiment of the utility model;
Figure 14 is the sectional view behind the assembling parts of the 6th embodiment of the utility model;
Figure 15 is the sectional view behind the assembling parts of the 7th embodiment of the utility model;
Figure 16 is the sectional view behind the assembling parts of the 8th embodiment of the utility model;
Description of reference numerals among Fig. 1 to Figure 16: 1---A straight tube; 2---the B straight tube; 3---the A threeway; 4---the A four-way; 5---A welding end face; 6---A welding table top; 7---B welding end face; 8---B welding table top; 9---pipe box; 10---face of weld in the A; 11---the outer face of weld of A; 12---face of weld in the B; 13---the outer face of weld of B; 14---gear Jiao Qiang in the A; 15---A keeps off Jiao Qiang outward; 16---gear Jiao Qiang in the B; 17---B keeps off Jiao Qiang outward; 18---the plane; 19---the B elbow.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model being described in further detail, is not that practical range of the present utility model is confined to this.
Embodiment one, extremely shown in Figure 5 such as Fig. 1, the described a kind of feedwater of present embodiment and draining plastic pipe syndeton, comprise that A connects main body and is connected main body with B, this feedwater and draining plastic pipe syndeton also comprise pipe box 9, evenly be provided with vertically on the axial external surface of pipe box 9 for friction welding machine and be convenient to a plurality of planes 18 of clamping at friction welding process, in the present embodiment, described plane 18 is six; Be provided with face of weld 10 in the A at pipe box 9 interior close ends, in pipe box, be provided with face of weld 12 in the B near the other end, be that the inner position near ends (be left end such as Fig. 4) of pipe box 9 is provided with face of weld 10 in the A, the inner position near the other ends (be right-hand member such as Fig. 4) of pipe box 9 is provided with face of weld 12 in the B, " close " representing in the art near certain position, face of weld is near the end in needing only in this programme, all can realize the welding of this programme requirement, so here " close " word is clearly, be provided with face of weld 11 outside the A at pipe box 9 one ends, face of weld 13 outside the pipe box other end is provided with a B, as shown in Figure 1 and Figure 4, connect main body (being A straight tube 1) at A and be provided with an A welding end face 5 and an A welding table top 6, connect main body (being B straight tube 2) at B and be provided with a B welding end face 7 and a B welding table top 8, A welding end face 5 and the interior face of weld 10 of the A in the pipe box 9 that A connects main body (being A straight tube 1) are welded together, A connects the A welding table top 6 of main body (being A straight tube 1) and the outer face of weld 11 of A of pipe box 9 one ends is welded together, B welding end face 7 and the interior face of weld 12 of the B in the pipe box 9 that B connects main body (being B straight tube 2) are welded together, and B connects the B welding table top 8 of main body (being B straight tube 2) and the outer face of weld 13 of B of pipe box 9 other ends is welded together.Described A connect main body be A straight tube 1, A elbow, A threeway 3(as shown in Figure 7) or A four-way 4(as shown in Figure 8) in any one, in the present embodiment, it is A straight tube 1 that described A connects main body.Described B connect main body be B straight tube 2, B elbow 19(as shown in Figure 6), in B threeway or the B four-way any one, in the present embodiment, it is B straight tube 2 that described B connects main body.Present embodiment is connected with draining plastic pipe friction welding machine with a kind of feedwater and is sealed, and in connecting seal process, its raw materials consumption amount reduces, and can save the raw material more than 50%, thereby reduce cost; Its connection sealing can be good, and welding quality is high, can improve the quality of feedwater and the laying of draining plastic pipe in the housing; Can satisfy the requirement of feedwater and draining plastic pipe installation rate in housing, and can improve feedwater is connected sealing with the draining plastic pipe speed, increase work efficiency, time saving and energy saving.
Embodiment two, such as Fig. 1, Fig. 2, Fig. 3 and shown in Figure 6, the described a kind of feedwater of present embodiment is compared with embodiment one with draining plastic pipe syndeton, difference is that it is B elbow 19 that described B connects main body, the connection sealing means that B elbow 19 is connected with pipe box is identical with the connection sealing means that B straight tube 2 is connected with pipe box, other parts and connection sealing means thereof are identical with embodiment one, repeat no more here.
Embodiment three, such as Fig. 1, Fig. 2, Fig. 3 and shown in Figure 7, the described a kind of feedwater of present embodiment is compared with embodiment one with draining plastic pipe syndeton, difference is that it is A threeway 3 that described A connects main body, the connection sealing means that A threeway 3 is connected with pipe box is identical with the connection sealing means that A straight tube 1 is connected with pipe box, other parts and connection sealing means thereof are identical with embodiment one, repeat no more here.
Embodiment four, such as Fig. 1, Fig. 2, Fig. 3 and shown in Figure 8, the described a kind of feedwater of present embodiment is compared with embodiment one with draining plastic pipe syndeton, difference is that it is A four-way 4 that described A connects main body, the connection sealing means that A four-way 4 is connected with pipe box is identical with the connection sealing means that A straight tube 1 is connected with pipe box, other parts and connection sealing means thereof are identical with embodiment one, repeat no more here.
Embodiment five, extremely shown in Figure 13 such as Fig. 9, the described a kind of feedwater of present embodiment and draining plastic pipe syndeton, comprise that A connects main body and is connected main body with B, this feedwater and draining plastic pipe syndeton also comprise pipe box 9, evenly be provided with vertically on the axial external surface of pipe box 9 for friction welding machine and be convenient to a plurality of planes 18 of clamping at friction welding process, in the present embodiment, described plane 18 is six; Be provided with face of weld 10 in the A at pipe box 9 interior close ends, be provided with face of weld 12 in the B at the pipe box 9 interior close other ends, as shown in figure 12, connect main body (being A straight tube 1) at A and be provided with an A welding end face 5, connect main body (being B straight tube 2) at B and be provided with a B welding end face 7, A welding end face 5 and the interior face of weld 10 of the A in the pipe box 9 that A connects main body (being A straight tube 1) are welded together, and face of weld 12 is welded together in the B in the B welding end face 7 of B connection main body (being B straight tube 2) and the pipe box 9; In pipe box 9, be provided with and keep off gear glue wall 16 in glue wall 14 and the B in the A, outside pipe box 9 is provided with an A, keep off outside glue wall 15 and the B and keep off glue wall 17, the interior face of weld 10 of A keeps off outside A and keeping off in glue wall 15 and the A between the glue wall 14, and A keeps off glue wall 15 outward, the interior face of weld 10 of A is connected gear glue wall 14 compositions one for be connected the annular groove that main body (being A straight tube 1) welds together with A with A; The interior face of weld 12 of B keeps off outside B and keeping off in glue wall 17 and the B between the glue wall 16, and B keeps off glue wall 17 outward, the interior face of weld 12 of B is connected gear glue wall 16 compositions one for be connected the annular groove that main body (being B straight tube 2) welds together with B with B.It is that glue after preventing from melting in friction welding process with friction welding machine overflows that A keeps off effect that glue wall 15 and B keep off glue wall 17 outward outward; The effect that keeps off glue wall 16 in the A in gear glue wall 14 and the B is that the glue after preventing from melting in friction welding process with friction welding machine overflows, thereby the internal diameter that prevents pipe box 9 diminishes.Described A connect main body be A straight tube 1, A elbow, A threeway 3(as shown in figure 15) or A four-way 4(as shown in figure 16) in any one, in the present embodiment, it is A straight tube 1 that described A connects main body.Described B connect main body be B straight tube 2, B elbow 19(as shown in figure 14), in B threeway or the B four-way any one, in the present embodiment, it is B straight tube 2 that described B connects main body.Present embodiment is connected with draining plastic pipe friction welding machine with a kind of feedwater and is sealed, and in connecting seal process, its raw materials consumption amount reduces, and can save the raw material more than 50%, thereby reduce cost; And the glue after preventing from melting overflows, thereby the internal diameter that prevents pipe box 9 diminishes; Its connection sealing can be good, and welding quality is high, can improve the quality of feedwater and the laying of draining plastic pipe in the housing; Can satisfy the requirement of feedwater and draining plastic pipe installation rate in housing, and can improve feedwater is connected sealing with the draining plastic pipe speed, increase work efficiency, time saving and energy saving.
Embodiment six, such as Fig. 9, Figure 10, Figure 11 and shown in Figure 14, the described a kind of feedwater of present embodiment is compared with embodiment five with draining plastic pipe syndeton, difference is that it is B elbow 19 that described B connects main body, the connection sealing means that B elbow 19 is connected with pipe box is identical with the connection sealing means that B straight tube 2 is connected with pipe box, other parts and connection sealing means thereof are identical with embodiment five, repeat no more here.
Embodiment seven, such as Fig. 9, Figure 10, Figure 11 and shown in Figure 15, the described a kind of feedwater of present embodiment is compared with embodiment five with draining plastic pipe syndeton, difference is that it is A threeway 3 that described A connects main body, the connection sealing means that A threeway 3 is connected with pipe box is identical with the connection sealing means that A straight tube 1 is connected with pipe box, other parts and connection sealing means thereof are identical with embodiment five, repeat no more here.
Embodiment eight, such as Fig. 9, Figure 10, Figure 11 and shown in Figure 16, the described a kind of feedwater of present embodiment is compared with embodiment five with draining plastic pipe syndeton, difference is that it is A four-way 4 that described A connects main body, the connection sealing means that A four-way 4 is connected with pipe box is identical with the connection sealing means that A straight tube 1 is connected with pipe box, other parts and connection sealing means thereof are identical with embodiment five, repeat no more here.
The above only is eight preferred embodiments of the present utility model; so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify; for example; described A connection main body is any one in A straight tube, A elbow, A threeway or the A four-way; described B connection main body is any one in B straight tube, B elbow, B threeway or the B four-way, and these features all are included in the protection domain of the utility model patent application.

Claims (8)

1. a feedwater and draining plastic pipe syndeton, comprise that A connects main body and is connected main body with B, it is characterized in that: also comprise pipe box, on the axial external surface of pipe box, evenly be provided with vertically a plurality of planes of being convenient to clamping for friction welding machine at friction welding process, in pipe box, be provided with face of weld in the A near an end, in pipe box, be provided with face of weld in the B near the other end, be provided with face of weld outside the A at pipe box one end, face of weld outside the pipe box other end is provided with a B, connect main body at A and be provided with an A welding end face and an A welding table top, connect main body at B and be provided with a B welding end face and a B welding table top, A welding end face and the interior face of weld of the A in the pipe box that A connects main body are welded together, A connects the A welding table top of main body and the outer face of weld of A of pipe box one end is welded together, B welding end face and the interior face of weld of the B in the pipe box that B connects main body are welded together, and B connects the B welding table top of main body and the outer face of weld of B of the pipe box other end is welded together.
2. a kind of feedwater according to claim 1 and draining plastic pipe syndeton is characterized in that: it is in A straight tube, A elbow, A threeway or the A four-way any one that described A connects main body.
3. a kind of feedwater according to claim 1 and draining plastic pipe syndeton is characterized in that: it is in B straight tube, B elbow, B threeway or the B four-way any one that described B connects main body.
4. a kind of feedwater according to claim 1 and draining plastic pipe syndeton is characterized in that: evenly be provided with vertically six planes being convenient to clamping for friction welding machine at friction welding process on the axial external surface of pipe box.
5. a feedwater and draining plastic pipe syndeton, comprise that A connects main body and is connected main body with B, it is characterized in that: also comprise pipe box, on the axial external surface of pipe box, evenly be provided with vertically a plurality of planes of being convenient to clamping for friction welding machine at friction welding process, in pipe box, be provided with face of weld in the A near an end, in pipe box, be provided with face of weld in the B near the other end, connect main body at A and be provided with an A welding end face, connect main body at B and be provided with a B welding end face, A welding end face and the interior face of weld of the A in the pipe box that A connects main body are welded together, and face of weld is welded together in the B welding end face of B connection main body and the B in the pipe box; In pipe box, be provided with to keep off in Jiao Qiang and the B in the A and keep off Jiao Qiang, outside pipe box is provided with an A, keep off outside Jiao Qiang and the B and keep off Jiao Qiang, the interior face of weld of A keeps off outside A and keeping off in Jiao Qiang and the A between the glue wall, and A keeps off the interior face of weld of Jiao Qiang, A outward is connected gear Jiao Qiang composition one for be connected the annular groove that main body welds together with A with A; The interior face of weld of B keeps off outside B and keeping off in Jiao Qiang and the B between the glue wall, and B keeps off the interior face of weld of Jiao Qiang, B outward is connected gear Jiao Qiang composition one for be connected the annular groove that main body welds together with B with B.
6. a kind of feedwater according to claim 5 and draining plastic pipe syndeton is characterized in that: it is in A straight tube, A elbow, A threeway or the A four-way any one that described A connects main body.
7. a kind of feedwater according to claim 5 and draining plastic pipe syndeton is characterized in that: it is in B straight tube, B elbow, B threeway or the B four-way any one that described B connects main body.
8. a kind of feedwater according to claim 5 and draining plastic pipe syndeton is characterized in that: evenly be provided with vertically six planes being convenient to clamping for friction welding machine at friction welding process on the axial external surface of pipe box.
CN 201220301184 2012-06-26 2012-06-26 Connecting structure of water supply and drainage plastic tubes Expired - Fee Related CN202831093U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220301184 CN202831093U (en) 2012-06-26 2012-06-26 Connecting structure of water supply and drainage plastic tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220301184 CN202831093U (en) 2012-06-26 2012-06-26 Connecting structure of water supply and drainage plastic tubes

Publications (1)

Publication Number Publication Date
CN202831093U true CN202831093U (en) 2013-03-27

Family

ID=47942838

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220301184 Expired - Fee Related CN202831093U (en) 2012-06-26 2012-06-26 Connecting structure of water supply and drainage plastic tubes

Country Status (1)

Country Link
CN (1) CN202831093U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102720248A (en) * 2012-06-26 2012-10-10 林慧鹏 Water supply and water discharge plastic cement pipe connecting structure
CN106286510A (en) * 2016-08-26 2017-01-04 宁波东电电力设备制造有限公司 A kind of union joint

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102720248A (en) * 2012-06-26 2012-10-10 林慧鹏 Water supply and water discharge plastic cement pipe connecting structure
CN106286510A (en) * 2016-08-26 2017-01-04 宁波东电电力设备制造有限公司 A kind of union joint

Similar Documents

Publication Publication Date Title
CN202868141U (en) Detachable flange connection structure for oil delivery pipes of industrial reducer
CN201757231U (en) Ultrahigh-pressure pipe joint structure
CN202831093U (en) Connecting structure of water supply and drainage plastic tubes
CN207961768U (en) Helical bellows with two vertical support muscle
CN202756789U (en) Improved structure of straight joint
CN207112198U (en) A kind of steel strip reinforced PE helical bellowses for being easy to connection
CN102720248A (en) Water supply and water discharge plastic cement pipe connecting structure
CN201897034U (en) Flange connecting device of steel belt reinforced polyethylene helical bellows
CN202302525U (en) Novel polyethylene steel-plastic transition pipe fitting
CN202418942U (en) Steel-plastic composite pipe
CN203823313U (en) Tee coupling pipe fitting with rubber gasket electric smelting bellmouth double seal
CN204628850U (en) A kind of oil filter pipe coupling
CN203718191U (en) Connection structure for inner and outer lining plastic composite steel pipes
CN204083549U (en) A kind of steel plastic compound strip and entwining tube
CN203404540U (en) Spherical four-way pipe fitting
CN203686450U (en) Socket and spigot connector used for steel strip reinforced polyethylene spiral corrugated pipe
CN203322229U (en) Oil cooler joint
CN202338724U (en) Connecting piece of PE multiple unit tube and PE multiple unit tube employing same
CN201651627U (en) Joint used for steel strip reinforced polyethylene spiral corrugated pipes
CN202674665U (en) 90-degree elbow joint
CN210510706U (en) Filling type sleeve compensator
CN204320612U (en) A kind of HTHP pipeline leak sealing fixture
CN202955398U (en) Straight connection type steel-plastic composite pipe with external thread insert
CN212776185U (en) Double containment wire net reinforcing polyethylene composite pipe connection structure
CN204403655U (en) A kind of plastic pipe linkage structure

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130327

Termination date: 20130626