CN204127555U - Hot and cold water polypropylene pipe assembly - Google Patents

Hot and cold water polypropylene pipe assembly Download PDF

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Publication number
CN204127555U
CN204127555U CN201420597122.9U CN201420597122U CN204127555U CN 204127555 U CN204127555 U CN 204127555U CN 201420597122 U CN201420597122 U CN 201420597122U CN 204127555 U CN204127555 U CN 204127555U
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China
Prior art keywords
reaming
interior
hot
cold water
pipe joint
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CN201420597122.9U
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Chinese (zh)
Inventor
傅芳英
汤仕尧
谢锋
钱冰瑜
石向云
周立军
童祀丰
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ZHEJIANG JINYU FENGYE PIPE IND CO Ltd
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ZHEJIANG JINYU FENGYE PIPE IND CO Ltd
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Priority to CN201420597122.9U priority Critical patent/CN204127555U/en
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Abstract

The utility model belongs to tubing technical field, particularly relates to a kind of hot and cold water polypropylene pipe assembly.It solve the technical problems such as prior art connective stability difference.This hot and cold water comprises body with polypropylene pipe assembly and is socketed in the pipe joint of body one end, pipe joint one end be socketed on body is from inside to outside provided with interior reaming and outer reaming, the aperture of described interior reaming is greater than the internal diameter of pipe joint and forms the first annular locating face between interior reaming and pipe joint, the aperture of outer reaming is greater than the aperture of interior reaming and forms the second circular orientation face between reaming outside and interior reaming, in interior reaming, be provided with interior edge face to be resisted against on the first annular locating face and can to make fixingly between body and pipe joint to be connected and fixed ring, be provided with in reaming outside and be set on body and the described annulate shaft that is connected and fixed can be prevented to the locking mechanism outwards departing from pipe joint.The utility model advantage is: connective stability is good.

Description

Hot and cold water polypropylene pipe assembly
Technical field
The utility model belongs to tubing technical field, particularly relates to a kind of hot and cold water polypropylene pipe assembly.
Background technique
Cold hot water piping system, comprises industry and civilian hot and cold water, potable water and heating system etc.Cool and hot water pipe in system is absolutely necessary accessory, on cool and hot water pipe, connecting tube joint is a kind of conventional selection, in order to connective stability between cool and hot water pipe and pipe joint and sealing can be ensured, such as, Chinese patent literature discloses a kind of Co-polypropylene (PP-R) cool and hot water pipe, [application number: 200920211080.X], it comprises pipeline, elbow, threeway, pipe cap, pipe clamp, stop valve, described elbow, pipeline, threeway is connected in series, the two ends of described threeway are arranged with the pipe cap be connected with pipeline, described pipeline is provided with pipe clamp and stop valve, described pipeline outer-layer is provided with one deck heat insulation layer.The program PP-R cool and hot water pipe has easy installation, resistance to heat is good, corrosion-resistant, pipe resistance is little, cost is low and callable feature.
Above-mentioned scheme improves the subproblem of prior art to a certain extent, but the program also at least exists following defect: be not easily connected and fixed and the join strength of joint is low, exists and loosen and leak when causing using.
Model utility content
The purpose of this utility model is for the problems referred to above, provide a kind of design more rationally, be easy to be connected and fixed the hot and cold water polypropylene pipe assembly high with join strength.
For achieving the above object, the utility model have employed following technical proposal: this hot and cold water comprises body with polypropylene pipe assembly and is socketed in the pipe joint of body one end, pipe joint one end be socketed on body is from inside to outside provided with interior reaming and outer reaming, the aperture of described interior reaming is greater than the internal diameter of pipe joint and forms the first annular locating face between interior reaming and pipe joint, the aperture of outer reaming is greater than the aperture of interior reaming and forms the second circular orientation face between reaming outside and interior reaming, in interior reaming, be provided with interior edge face to be resisted against on the first annular locating face and can to make fixingly between body and pipe joint to be connected and fixed ring, be provided with the first sealing configuration being connected and fixed between ring and body, be provided with the second sealing configuration being connected and fixed between ring and pipe joint, be provided with in reaming outside and be set on body and the described annulate shaft that is connected and fixed can be prevented to the locking mechanism outwards departing from pipe joint.
In this application, be provided with interior reaming, outer reaming has in conjunction with the structure in the first annular locating face and the second circular orientation face the advantage being easy to manufacturing; Be provided with the linkage structure intensity that the structure being connected and fixed ring and locking mechanism can improve joint, secondly, be provided with the sealing that the first sealing configuration and the second sealing configuration can improve joint, the practical and good stability of joint, long service life.
In above-mentioned hot and cold water polypropylene pipe assembly, described is connected and fixed the c-shaped structure of ring.This structure is not only easy to manufacture, and can improve join strength and the stability of joint.
In above-mentioned hot and cold water polypropylene pipe assembly, the first described sealing configuration comprises the first annular trough body being arranged on and being connected and fixed ring inwall, is provided with the first O-ring seals be set on body in the first annular trough body; The second described sealing configuration comprises the second annular trough body be arranged on interior reaming hole wall, is provided with the second O-ring seals being set in and being connected and fixed ring outer wall in the second annular trough body.
In above-mentioned hot and cold water polypropylene pipe assembly, described locking mechanism comprises the inner can be resisted against the lock sleeve being connected and fixed ring outer end, and lock sleeve is connected with the hole wall screw thread of outer reaming.
In above-mentioned hot and cold water polypropylene pipe assembly, described pipe joint comprises the cylinder with MEDIA FLOW circulation passage, one end of MEDIA FLOW circulation passage is import, the other end is outlet, cylinder is provided with to be positioned at MEDIA FLOW circulation passage exit end tooth direct, and described cylinder is one-body molded and be directly mounted in the MEDIA FLOW circulation passage of cylinder by interior tooth by injection molding manner.
In above-mentioned hot and cold water polypropylene pipe assembly, described cylinder sidepiece has the arc convex of some even circumferentials distribution.Arc convex can so that grab by thus improve the reliability operated.
In above-mentioned hot and cold water polypropylene pipe assembly, the described direct outer wall of interior tooth has tooth connection.This structure ensures the linkage structure intensity of joint.
In above-mentioned hot and cold water polypropylene pipe assembly, described cylinder two ends are respectively equipped with outer chamfering.This structure can so that install.
Compared with prior art, this hot and cold water advantage of polypropylene pipe assembly is: 1, design is more reasonable, is provided with interior reaming, outer reaming has in conjunction with the structure in the first annular locating face and the second circular orientation face the advantage being easy to manufacturing; Be provided with the linkage structure intensity that the structure being connected and fixed ring and locking mechanism can improve joint, secondly, be provided with the sealing that the first sealing configuration and the second sealing configuration can improve joint, the practical and good stability of joint, long service life; 2, structure is simple and be easy to manufacture.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model provides.
Fig. 2 be the utility model provide be connected and fixed ring structure schematic diagram.
Fig. 3 be the utility model provide be connected and fixed ring lateral cross section structural representation.
Fig. 4 is the pipe joint structure schematic diagram that the utility model provides.
In figure, body 1, pipe joint 2, interior reaming 21, outer reaming 22, first annular locating face 23, second circular orientation face 24, second annular trough body 26, second O-ring seals 27, cylinder 2a, arc convex 2a1, outer chamfering 2a2, the direct 2b of interior tooth, tooth connection 2b1, be connected and fixed ring 3, first annular trough body 31, first O-ring seals 32, lock sleeve 4.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
As Figure 1-4, this hot and cold water comprises body 1 with polypropylene pipe assembly and is socketed in the pipe joint 2 of body 1 one end, pipe joint 2 one end be socketed on body 1 is from inside to outside provided with interior reaming 21 and outer reaming 22, the aperture of described interior reaming 21 is greater than the internal diameter of pipe joint 2 and forms the first annular locating face 23 between interior reaming 21 and pipe joint 2, the aperture of outer reaming 22 is greater than the aperture of interior reaming 21 and forms the second circular orientation face 24 between reaming outside 22 and interior reaming 21, in interior reaming 21, be provided with interior edge face to be resisted against on the first annular locating face 23 and can to make fixingly between body 1 and pipe joint 2 to be connected and fixed ring 3, optimized project, the present embodiment be connected and fixed the c-shaped structure of ring 3.
Be provided with the first sealing configuration being connected and fixed between ring 3 and body 1, this first sealing configuration comprises the first annular trough body 31 being arranged on and being connected and fixed ring 3 inwall, is provided with the first O-ring seals 32 be set on body 1 in the first annular trough body 31; Be provided with the second sealing configuration being connected and fixed between ring 3 and pipe joint 2, the second sealing configuration comprises the second annular trough body 26 be arranged on interior reaming 21 hole wall, is provided with the second O-ring seals 27 being set in and being connected and fixed ring 3 outer wall in the second annular trough body 26.
Be provided with in reaming outside 22 and be set on body 1 and the described locking mechanism being connected and fixed ring 3 axial outwards disengaging pipe joint 2 can be prevented.
Concrete, the locking mechanism of the present embodiment comprises the inner and can be resisted against the lock sleeve 4 being connected and fixed ring 3 outer end, and lock sleeve 4 is connected with the hole wall screw thread of outer reaming 22.
Secondly, the pipe joint 2 of the present embodiment comprises the cylinder 2a with MEDIA FLOW circulation passage, and one end of MEDIA FLOW circulation passage is import, and the other end is outlet, and cylinder 2a two ends are respectively equipped with outer chamfering 2a2.Cylinder 2a is provided with and is positioned at the direct 2b of MEDIA FLOW circulation passage exit end tooth, described cylinder 2a is one-body molded and be mounted in the MEDIA FLOW circulation passage of cylinder 2a by direct for interior tooth 2b by injection molding manner.
Hold for the ease of installing, there is at cylinder 2a sidepiece the arc convex 2a1 of some even circumferentials distribution.Secondly, in order to improve the intensity of structure further, at the outer wall of the direct 2b of interior tooth, there is tooth connection 2b1.
In the present embodiment, be provided with interior reaming, outer reaming has in conjunction with the structure in the first annular locating face and the second circular orientation face the advantage being easy to manufacturing; Secondly be provided with the linkage structure intensity that the structure being connected and fixed ring and locking mechanism can improve joint, be provided with the sealing that the first sealing configuration and the second sealing configuration can improve joint.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ body 1, pipe joint 2, interior reaming 21, outer reaming 22, first annular locating face 23, second circular orientation face 24, second annular trough body 26, second O-ring seals 27, cylinder 2a, arc convex 2a1, outer chamfering 2a2, the direct 2b of interior tooth, tooth connection 2b1 herein, be connected and fixed the terms such as ring 3, first annular trough body 31, first O-ring seals 32, lock sleeve 4, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.

Claims (8)

1. a hot and cold water polypropylene pipe assembly, comprise body (1) and be socketed in the pipe joint (2) of body (1) one end, it is characterized in that, described pipe joint (2) one end be socketed on body (1) is from inside to outside provided with interior reaming (21) and outer reaming (22), the aperture of described interior reaming (21) is greater than the internal diameter of pipe joint (2) and forms the first annular locating face (23) between interior reaming (21) and pipe joint (2), the aperture of outer reaming (22) is greater than the aperture of interior reaming (21) and forms the second circular orientation face (24) between reaming outside (22) and interior reaming (21), be provided with in interior reaming (21) interior edge face be resisted against the first annular locating face (23) upper and can make to fix between body (1) and pipe joint (2) be connected and fixed ring (3), be provided with the first sealing configuration being connected and fixed between ring (3) and body (1), be provided with the second sealing configuration being connected and fixed between ring (3) and pipe joint (2), be provided with in reaming outside (22) that to be set in body (1) upper and can prevent the described locking mechanism being connected and fixed ring (3) and axially outwards departing from pipe joint (2).
2. hot and cold water polypropylene pipe assembly according to claim 1, is characterized in that, described is connected and fixed ring (3) c-shaped structure.
3. hot and cold water polypropylene pipe assembly according to claim 2, it is characterized in that, the first described sealing configuration comprises the first annular trough body (31) being arranged on and being connected and fixed ring (3) inwall, is provided with the first O-ring seals (32) be set on body (1) in the first annular trough body (31); The second described sealing configuration comprises the second annular trough body (26) be arranged on interior reaming (21) hole wall, is provided with the second O-ring seals (27) being set in and being connected and fixed ring (3) outer wall in the second annular trough body (26).
4. the hot and cold water polypropylene pipe assembly according to claim 1 or 2 or 3, it is characterized in that, described locking mechanism comprises the inner can be resisted against the lock sleeve (4) being connected and fixed ring (3) outer end, and lock sleeve (4) is connected with the hole wall screw thread of outer reaming (22).
5. the hot and cold water polypropylene pipe assembly according to claim 1 or 2 or 3, it is characterized in that, described pipe joint (2) comprises the cylinder (2a) with MEDIA FLOW circulation passage, one end of MEDIA FLOW circulation passage is import, the other end is outlet, cylinder (2a) is provided be positioned at MEDIA FLOW circulation passage exit end tooth directly (2b), described cylinder (2a) by injection molding manner one-body molded and by interior tooth directly (2b) be mounted in the MEDIA FLOW circulation passage of cylinder (2a).
6. hot and cold water polypropylene pipe assembly according to claim 5, is characterized in that, described cylinder (2a) sidepiece has the arc convex (2a1) of some even circumferentials distribution.
7. hot and cold water polypropylene pipe assembly according to claim 5, is characterized in that, the outer wall of described interior tooth direct (2b) has tooth connection (2b1).
8. hot and cold water polypropylene pipe assembly according to claim 6, is characterized in that, described cylinder (2a) two ends are respectively equipped with outer chamfering (2a2).
CN201420597122.9U 2014-10-15 2014-10-15 Hot and cold water polypropylene pipe assembly Active CN204127555U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420597122.9U CN204127555U (en) 2014-10-15 2014-10-15 Hot and cold water polypropylene pipe assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420597122.9U CN204127555U (en) 2014-10-15 2014-10-15 Hot and cold water polypropylene pipe assembly

Publications (1)

Publication Number Publication Date
CN204127555U true CN204127555U (en) 2015-01-28

Family

ID=52383911

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420597122.9U Active CN204127555U (en) 2014-10-15 2014-10-15 Hot and cold water polypropylene pipe assembly

Country Status (1)

Country Link
CN (1) CN204127555U (en)

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