CN109357095A

CN109357095A - A kind of environment-friendly type building pipe fitting

Info

Publication number: CN109357095A
Application number: CN201811373046.2A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-19
Filing date: 2018-11-19
Publication date: 2019-02-19

Abstract

The invention discloses a kind of environment-friendly type building pipe fittings, including the first pipe fitting, second pipe fitting, first connector, second connector, nut and connecting piece, first pipe fitting is for connecting gas source or water source, first pipe fitting is connected to the first connector by external screw thread, there is First terrace in first pipe fitting, the first step is facing towards the first connector, first connector is equipped with the first shrinkage cavity far from one end of the first pipe fitting, the first ball sealer is equipped in first connector, the diameter of first ball sealer is greater than the diameter of the first shrinkage cavity, the first pressure spring is equipped between first ball sealer and First terrace, second pipe fitting is connected to the second connector by external screw thread, there is second step face in second pipe fitting.In entire connection or replacement process, gas source, which does not need to close pipe fitting of the invention, directly to carry out the connection of pipe fitting, and forms double containment effect, improve the reliability of pipeline connection.

Description

A kind of environment-friendly type building pipe fitting

Technical field

The present invention relates to technical field of buildings, particularly relate to a kind of environment-friendly type building pipe fitting.

Background technique

Existing pipe fitting just can be carried out operation, example in the case where needing to close gas source or water source valve in unicom pipeline Early period such as construct in the case where installing female connector, which ventilates source not yet, and projects later period total gas source switch is waited to beat After opening, and if the valve of the joint of user terminal is not turned off, risk of leakage will occur, also when replacing connector, such as When fruit operator forgets to close pipeline valve, spillage risk will occur.

Summary of the invention

Technical problem to be solved by the invention is to provide a kind of environment-friendly type building pipe fittings, to solve to manage in the prior art Connector there is technical issues that in connection and replacement.

In order to solve the above technical problems, the embodiment of the present invention provides a kind of environment-friendly type building pipe fitting, including the first pipe Part, the second pipe fitting, the first connector, the second connector, nut and connecting piece, first pipe fitting are used to connect gas source or water source, First pipe fitting is connected to the first connector by external screw thread, has First terrace, the First in first pipe fitting Terrace is equipped with the first shrinkage cavity, the first connector content far from one end of the first pipe fitting towards the first connector, first connector It is equipped with the first ball sealer, the diameter of first ball sealer is greater than the diameter of the first shrinkage cavity, first ball sealer and First The first pressure spring is equipped between terrace, second pipe fitting is connected to the second connector by external screw thread, has in second pipe fitting Second step face, the second step are equipped with second far from one end of the second pipe fitting facing towards the second connector, second connector Shrinkage cavity, the second ball sealer is equipped in second connector, and the diameter of second ball sealer is greater than the diameter of the second shrinkage cavity, institute It states and is equipped with the second pressure spring between the second ball sealer and second step face, the lateral wall of first connector is equipped with annular protrusion, institute Stating nut includes internal threaded end and limit end, and the limit end sliding sleeve is set on the lateral wall of the first connector and limits In annular protrusion, one end limit baffle ring of the second shrinkage cavity inner wall far from the second pipe fitting, the connecting piece one end lateral wall Equipped with position limiting convex ring, for the diameter of the connecting piece less than the first shrinkage cavity and limit baffle ring, the connecting piece passes through limit baffle ring, institute The position limiting convex ring for stating connecting piece is limited on limit baffle ring, and the both ends of the connecting piece are respectively equipped with ventilating part, the ventilation Portion includes several notches, and the middle part of the connecting piece is equipped with retaining ring, and second connector is equipped with outer far from one end of the second pipe fitting Threaded joints, the male threaded joint are used to connect the internal threaded end of the nut, and the elastic force of first pressure spring is big In the elastic force of the second pressure spring, second connector is equipped with conical seal (contact) face, the oblique sealing far from one end inner wall of the second pipe fitting Face is equipped with seal rubber, and first connector is equipped with spherical seal surface far from one end outer wall of the first pipe fitting, and the taper is close Cover matches sealing with spherical seal surface；

The nut side wall is equipped with metal rust preventing spray coating liquor, and the metal rust preventing spray coating liquor is by each of following mass fraction Group is grouped as: 12 parts of triethanolamine, 4 parts of borax, 1 part of sodium molybdate, 3 parts of sodium bisulfate, 1 part of diethanol amine, 2 parts of isobutanol, different 1 part of propyl alcohol, 1 part of sodium chloride, 8 parts of ethyl alcohol, 85 parts of water；The metal rust preventing spray coating liquor the preparation method comprises the following steps:

(1) triethanolamine of formula ratio, borax, sodium molybdate, sodium bisulfate, diethanol amine and ethyl alcohol are mixed, is heated to 85 DEG C, keep the temperature 30min；

(2) water and sodium chloride of formula ratio, insulated and stirred 10min is added；

(3) it is down to room temperature, the isobutanol and isopropanol of formula ratio is added, stirring 5min to obtain the final product.

The retaining ring is made of stainless steel material, is fixedly installed in the middle part of the lateral wall of connecting piece.

The advantageous effects of the above technical solutions of the present invention are as follows:

For pipe fitting of the invention in entire connection or replacement process, gas source, which does not need to close, can directly carry out pipe fitting Connection, and form double containment effect, improve the reliability of pipeline connection.

Detailed description of the invention

Fig. 1 is perspective cross section schematic diagram one of the invention.

Fig. 2 is perspective cross section schematic diagram two of the invention.

Fig. 3 is plan cross-sectional structural schematic diagram of the invention.

Fig. 4 is perspective cross section explosive view of the invention.

Fig. 5 is the perspective view of connecting piece of the invention.

Specific embodiment

To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool Body embodiment is described in detail.

For convenience of description and explanation, the right direction in Fig. 1 is front side, front end, the front, direction of advance of entire mechanism, Left direction in Fig. 1 is the rear side of entire mechanism, rear end, rear portion, direction of retreat.

As shown in Figures 1 to 5, the embodiment of the present invention provides a kind of environment-friendly type building pipe fitting, including the first pipe fitting 11, Two pipe fittings 12, the first connector 13, the second connector 14, nut 15 and connecting piece 16, first pipe fitting 11 for connect gas source or Person water source, first pipe fitting 11 are connected to the first connector 13 by external screw thread, have first step in first pipe fitting 11 Face 111, the First terrace 111 are equipped with towards the first connector 13, first connector 13 far from one end of the first pipe fitting 11 First shrinkage cavity 131, the first ball sealer 17 is equipped in first connector 13, and the diameter of first ball sealer 17 is greater than first The diameter of shrinkage cavity 131 is equipped with the first pressure spring 18, first pressure spring between first ball sealer 17 and First terrace 111 18 support the first ball sealer 17 so as to form sealing between the first ball sealer 17 and the first connector 11, and second pipe fitting 12 passes through External screw thread is connected to the second connector 14, has second step face 121,121 court of second step face in second pipe fitting 12 To the second connector 14, second connector 14 is equipped with the second shrinkage cavity 141, second connector 14 far from one end of the second pipe fitting 12 It is inside equipped with the second ball sealer 19, the diameter of second ball sealer 19 is greater than the diameter of the second shrinkage cavity 141, second sealing The second pressure spring 20 is equipped between ball 19 and second step face 121, second pressure spring 20 supports the second ball sealer 19 so that second Sealing is formed between ball sealer 19 and the second connector 14, the lateral wall of first connector 13 is equipped with annular protrusion 132, the spiral shell Cap 15 includes internal threaded end 151 and limit end 152, and limit 152 sliding sleeve of end is set to the outside of the first connector 13 On wall and it is limited in annular protrusion 132, one end limit baffle ring 142 of 141 inner wall of the second shrinkage cavity far from the second pipe fitting 12, institute 16 one end lateral wall of connecting piece is stated equipped with position limiting convex ring 161, the diameter of the connecting piece 16 is less than the first shrinkage cavity 131 and limit Baffle ring 142, the connecting piece 16 pass through limit baffle ring 142, and the position limiting convex ring 161 of the connecting piece 16 is limited to limit baffle ring On 142, the both ends of the connecting piece 16 are respectively equipped with ventilating part, and the ventilating part includes several notches 162, the connecting piece 16 middle part is equipped with retaining ring 163, and second connector 14 is equipped with male threaded joint 143, institute far from one end of the second pipe fitting 12 It states male threaded joint 143 and is greater than the second pressure for connecting the internal threaded end 151 of the nut 15, the elastic force of the first pressure spring 18 The elastic force of spring 20, second connector 14 are equipped with conical seal (contact) face 144, the oblique sealing far from one end inner wall of the second pipe fitting 12 Face 144 is equipped with seal rubber (not shown), and first connector 13 is equipped with spherical close far from one end outer wall of the first pipe fitting 11 Cover 133, the conical seal (contact) face 144 match sealing with spherical seal surface 133, and the retaining ring 163 is by stainless steel material system At being fixedly installed in the middle part of the lateral wall of connecting piece 16.

In use, first spiro cap is set on the first connector, the first ball sealer is placed in the first connector, the first pipe fitting The first pressure spring of interior accommodating, the first pipe fitting is mutually threadedly coupled with the first connector, and the first pipe fitting is connected with gas source or water source, this When due to the pressure of the first pressure spring make the first ball sealer always with the first connector formed sealing relationship, it is exposed even if connector Gas source or water source need not be closed, because the first connector carries sealing effect；Then connecting piece is passed through to the limiting block of the second connector Ring accommodates the second ball sealer in the second connector, and the second pressure spring is accommodated in the second pipe fitting, by the second pipe fitting and the second connector phase Be threadedly coupled, due to the pressure of the second pressure spring make the second ball sealer always with the second connector formed sealing relationship, the one of connecting piece End is slidingly arranged in the second shrinkage cavity of the second connector, and the position limiting convex ring 161 on connecting piece is limited to 19 He of the second ball sealer Limit baffle ring 142, the male threaded joint when needing to be docked the second connector with the first connector, on the outside of the second connector 143 are threadedly coupled with the female threaded joint 151 of nut 15, and one end of connecting piece extend into the first contracting of the first connector 13 In hole 131, when the first ball sealer and the second ball sealer are supported in connecting piece both ends respectively, since the elastic force of the first pressure spring is greater than The elastic force of second pressure spring, the second pressure spring are first compressed, and the second ball sealer retreats, and the second ball sealer and the second connector be not close at this time Envelope, pipeline and the connecting piece of the second pipe fitting are connected, and then the lateral wall of the limit baffle ring 142 of the second connector is supported on connecting piece Retaining ring, drive connecting piece titration to open the first ball sealer, and then compress the first pressure spring, the first pipe fitting and the second pipe fitting are logical at this time Connecting piece is crossed to be connected, in the retaining ring and the second junction contacts on connecting piece, the spherical seal surface 133 of the first connector 13 and Start cooperation sealing before the conical seal (contact) face 144 of two connectors, the screw of last nut supports the two sides of retaining ring respectively The first connector and the second connector are connect, the connection of first pipe and second pipe is completed, therefore in the whole process, gas source does not need Closing can directly carry out the connection of pipe fitting, and form double containment effect, improve the reliability of pipeline connection.Replacement or When dismantling the second connector, even if forgetting to close the valve switch at first pipe, the problem of need not also worrying leakage, when replacement It can guarantee its leakproofness to greatest extent.Pipe fitting of the invention is in connection or replacement, even if there is leakage and very light Micro- leakage can avoid the generation leaked on a large scale to the greatest extent, draw in the prior art because forgetting closing valve without occurring Send out dangerous situation.

The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims

1. a kind of environment-friendly type building pipe fitting, which is characterized in that connect including the first pipe fitting, the second pipe fitting, the first connector, second Head, nut and connecting piece, for connecting gas source or water source, first pipe fitting is connected to first pipe fitting by external screw thread First connector, has First terrace in first pipe fitting, and the first step is facing towards the first connector, first connector One end far from the first pipe fitting is equipped with the first shrinkage cavity, is equipped with the first ball sealer, first ball sealer in first connector Diameter be greater than the first shrinkage cavity diameter, between first ball sealer and First terrace be equipped with the first pressure spring, described second Pipe fitting is connected to the second connector by external screw thread, has second step face in second pipe fitting, the second step facing towards Second connector, second connector are equipped with the second shrinkage cavity far from one end of the second pipe fitting, are equipped with second in second connector Ball sealer, the diameter of second ball sealer is greater than the diameter of the second shrinkage cavity, between second ball sealer and second step face Equipped with the second pressure spring, the lateral wall of first connector is equipped with annular protrusion, and the nut includes internal threaded end and positive stop end Portion, the limit end sliding sleeve are set on the lateral wall of the first connector and are limited in annular protrusion, the second shrinkage cavity inner wall Far from the second pipe fitting one end limit baffle ring, the connecting piece one end lateral wall be equipped with position limiting convex ring, the connecting piece it is straight Diameter passes through limit baffle ring less than the first shrinkage cavity and limit baffle ring, the connecting piece, and the position limiting convex ring of the connecting piece is limited to limit On the baffle ring of position, the both ends of the connecting piece are respectively equipped with ventilating part, and the ventilating part includes several notches, the connecting piece Middle part is equipped with retaining ring, and second connector is equipped with male threaded joint, the male threaded joint far from one end of the second pipe fitting For connecting the internal threaded end of the nut, the elastic force of first pressure spring is greater than the elastic force of the second pressure spring, and described second connects Head is equipped with conical seal (contact) face far from one end inner wall of the second pipe fitting, and the oblique sealing surface is equipped with seal rubber, and described first connects Head is equipped with spherical seal surface far from one end outer wall of the first pipe fitting, and the conical seal (contact) face matches sealing with spherical seal surface；

The nut side wall be equipped with metal rust preventing spray coating liquor, the metal rust preventing spray coating liquor by following mass fraction each component Composition: 12 parts of triethanolamine, 4 parts of borax, 1 part of sodium molybdate, 3 parts of sodium bisulfate, 1 part of diethanol amine, 2 parts of isobutanol, isopropanol 1 Part, 1 part of sodium chloride, 8 parts of ethyl alcohol, 85 parts of water；The metal rust preventing spray coating liquor the preparation method comprises the following steps:

(1) triethanolamine of formula ratio, borax, sodium molybdate, sodium bisulfate, diethanol amine and ethyl alcohol are mixed, are heated to 85 DEG C, Keep the temperature 30min；

2. retaining ring according to claim 1, which is characterized in that the retaining ring is made of stainless steel material, is fixedly installed on In the middle part of the lateral wall of connecting piece.