CN206386591U - A kind of steel-plastic composite pipe joint - Google Patents
A kind of steel-plastic composite pipe joint Download PDFInfo
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- CN206386591U CN206386591U CN201720098076.1U CN201720098076U CN206386591U CN 206386591 U CN206386591 U CN 206386591U CN 201720098076 U CN201720098076 U CN 201720098076U CN 206386591 U CN206386591 U CN 206386591U
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Abstract
本实用新型公开了一种钢塑复合管接头，包括连接头主体和连接压紧套件，所述连接头主体两端均设有用于插套钢塑复合管头的锥型接头，所述锥型接头内侧的连接头主体上设有第一连接法兰，所述第一连接法兰外侧面与连接头主体的夹角面环绕设置多个L型槽，所述L型槽内设置有L型张紧块；所述连接压紧套件包括第二连接法兰和压紧套，所述压紧套也呈锥筒型，所述第二连接法兰设置在压紧套的大头端上；所述连接压紧套件通过套设在锥型接头上将钢塑复合管头夹紧密封，所述第二连接法兰与第一连接法兰相配合通过螺栓紧固连接。解决了相对较粗的钢塑复合管接头连接不牢，容易出现管道与接头脱落，或漏水、漏气的问题。
The utility model discloses a steel-plastic composite pipe joint, which comprises a main body of a connecting head and a connection compression set. Both ends of the main body of the connecting head are provided with tapered joints for inserting a steel-plastic composite pipe head. The main body of the connecting head inside the joint is provided with a first connecting flange, and a plurality of L-shaped grooves are arranged around the angled surface between the outer surface of the first connecting flange and the main body of the connecting head, and L-shaped grooves are arranged in the L-shaped grooves. Tension block; the connection compression set includes a second connection flange and a compression sleeve, the compression sleeve is also in the shape of a cone, and the second connection flange is arranged on the big end of the compression sleeve; the The connection compression kit clamps and seals the steel-plastic composite pipe head by being sleeved on the tapered joint, and the second connecting flange cooperates with the first connecting flange and is fastened and connected by bolts. It solves the problems that the relatively thick steel-plastic composite pipe joints are not firmly connected, and the pipes and joints are prone to fall off, or leak water and air.
Description
技术领域technical field
本发明涉及一种管件连接接头领域，具体涉及一种钢塑复合管接头。The invention relates to the field of connecting joints of pipe fittings, in particular to a steel-plastic composite pipe joint.
背景技术Background technique
钢塑复合管常用于燃气或水的管道，相对较细的钢塑复合管(直径小于5cm)连接接头都是采用卡套式铜管接头或者卡压式铜管接头，现有技术中也出现了带有夹紧环的连接头，能够方便的将管道和连接头夹紧，当连接较粗的钢塑复合管(直径大于5cm)时，再采用上述接头连接就比较困难，会导致连接不牢固，容易出现管道与接头脱落，或漏水、漏气。Steel-plastic composite pipes are often used in gas or water pipelines. The connection joints of relatively thin steel-plastic composite pipes (with a diameter less than 5cm) all use ferrule-type copper pipe joints or compression-type copper pipe joints, which also appear in the prior art. A connector with a clamping ring can be used to clamp the pipe and the connector conveniently. When connecting a thicker steel-plastic composite pipe (diameter greater than 5cm), it is more difficult to use the above-mentioned connector to connect, which will lead to poor connection. It is firm, and it is easy for pipes and joints to fall off, or to leak water or air.
发明内容Contents of the invention
本发明的目的即在于克服现有技术的不足，提供一种钢塑复合管接头，解决相对较粗的钢塑复合管接头连接不牢，容易出现管道与接头脱落，或漏水、漏气的问题。The purpose of the present invention is to overcome the deficiencies of the prior art and provide a steel-plastic composite pipe joint, which solves the problem that relatively thick steel-plastic composite pipe joints are not firmly connected, and the pipes and joints are prone to fall off, or leak water and air. .
本发明通过下述技术方案实现：The present invention realizes through following technical scheme:
一种钢塑复合管接头，包括连接头主体和连接压紧套件，所述连接头主体两端均设有用于插套钢塑复合管头的锥型接头，所述锥型接头内侧的连接头主体上设有第一连接法兰，所述第一连接法兰外侧面与连接头主体的夹角面环绕设置多个L型槽，所述L型槽内设置有L型张紧块；所述连接压紧套件包括第二连接法兰和压紧套，所述压紧套也呈锥筒型，所述第二连接法兰设置在压紧套的大头端上；所述连接压紧套件通过套设在锥型接头上将钢塑复合管头夹紧密封，所述第二连接法兰与第一连接法兰相配合通过螺栓紧固连接。A steel-plastic composite pipe joint, comprising a main body of a connecting head and a connection compression kit, both ends of the main body of the connecting head are provided with a tapered joint for inserting a steel-plastic composite pipe head, and the connecting head inside the tapered joint The main body is provided with a first connecting flange, and a plurality of L-shaped grooves are arranged around the angled surface between the outer surface of the first connecting flange and the main body of the connecting head, and an L-shaped tension block is arranged in the L-shaped groove; The connection compression set includes a second connection flange and a compression sleeve, the compression sleeve is also in the shape of a cone, and the second connection flange is arranged on the big end of the compression sleeve; the connection compression set The steel-plastic composite pipe head is clamped and sealed by being sleeved on the tapered joint, and the second connecting flange cooperates with the first connecting flange and is fastened and connected by bolts.
进一步的，所述锥型接头的锥型面上设有环型槽，所述环型槽内设有密封圈。Further, an annular groove is provided on the tapered surface of the tapered joint, and a sealing ring is arranged in the annular groove.
进一步的，所述压紧套的内锥孔上设有内螺纹。Further, the inner tapered hole of the compression sleeve is provided with internal threads.
进一步的，所述L型张紧块的转角上设有轴孔，所述L型张紧块通过插在轴孔内的销轴安装在L型槽内。Further, the corner of the L-shaped tension block is provided with a shaft hole, and the L-shaped tension block is installed in the L-shaped groove through a pin inserted in the shaft hole.
进一步的，所述L型张紧块数量为4-16件。Further, the number of said L-shaped tension blocks is 4-16 pieces.
进一步的，所述L型张紧块的内角为86°-88°。优选L型张紧块的内角为87°。Further, the inner angle of the L-shaped tension block is 86°-88°. Preferably, the internal angle of the L-shaped tension block is 87°.
进一步的，所述第一连接法兰(5)外侧面与连接头主体(1)的夹角处还设置有密封环(14)。Further, a sealing ring (14) is also provided at the angle between the outer surface of the first connecting flange (5) and the main body (1) of the connecting head.
本发明通过下述另一技术方案实现：The present invention is realized by following another technical scheme:
一种钢塑复合管连接方法，包括步骤：A method for connecting steel-plastic composite pipes, comprising the steps of:
步骤1)将连接压紧套件套在钢塑复合管上；Step 1) Put the connection compression kit on the steel-plastic composite pipe;
步骤2)钢塑复合管头扩口与锥型接头匹配；Step 2) The flaring of the steel-plastic composite pipe head is matched with the tapered joint;
步骤3)在锥型接头上的环型槽内套上密封圈；在第一连接法兰外侧面与连接头主体的夹角处套上密封环；Step 3) put a sealing ring in the annular groove on the tapered joint; put a sealing ring at the angle between the outer surface of the first connecting flange and the main body of the connecting head;
步骤4)将扩口后的钢塑复合管头套在锥型接头上，直至钢塑复合管头端面挤压在密封环上；Step 4) Put the flared steel-plastic composite pipe head on the tapered joint until the end surface of the steel-plastic composite pipe head is squeezed on the sealing ring;
步骤5)移动连接压紧套件向连接头主体靠拢，在连接压紧套件贴近钢塑复合管头的扩口后，旋转连接压紧套件，通过压紧套的内螺纹将钢塑复合管头的扩口上挤压出螺纹，在第二连接法兰与第一连接法兰之间的距离2-5cm时，采用螺栓将第二连接法兰和第一连接法兰紧固连接。同时，通过第二连接法兰的端面对L型张紧块的上角面挤压，使L型张紧块的下角面翘起挤压在钢塑复合管头扩口内孔面上，完成塑复合管头与管接头的牢固密封连接。Step 5) Move the connection compression kit closer to the main body of the connector. After the connection compression kit is close to the flare of the steel-plastic composite pipe head, rotate the connection compression kit, and press the steel-plastic composite pipe head through the internal thread of the compression sleeve. Threads are extruded on the flaring, and when the distance between the second connecting flange and the first connecting flange is 2-5 cm, bolts are used to fasten the second connecting flange to the first connecting flange. At the same time, the end face of the second connecting flange is pressed against the upper corner of the L-shaped tension block, so that the lower corner of the L-shaped tension block is lifted and squeezed on the surface of the inner hole of the steel-plastic composite pipe head to complete the process. The firm sealing connection between the plastic composite pipe head and the pipe joint.
本发明与现有技术相比，具有如下的优点和有益效果：Compared with the prior art, the present invention has the following advantages and beneficial effects:
1、本发明一种钢塑复合管接头，通过在第一连接法兰外侧面与连接头主体的夹角面环绕设置多个L型槽，L型槽内设置有L型张紧块；通过第二连接法兰的端面对L型张紧块的上角面挤压，使L型张紧块的下角面翘起挤压在钢塑复合管头扩口内孔面上，完成塑复合管头与管接头的牢固密封连接。1. A steel-plastic composite pipe joint of the present invention is provided with a plurality of L-shaped grooves surrounding the angled surface between the outer surface of the first connecting flange and the main body of the connecting head, and L-shaped tension blocks are arranged in the L-shaped grooves; through The end of the second connecting flange is squeezed against the upper corner of the L-shaped tension block, so that the lower corner of the L-shaped tension block is lifted and squeezed on the inner hole of the steel-plastic composite pipe head to complete the plastic composite pipe. The head is tightly sealed with the pipe joint.
2、本发明一种钢塑复合管接头，通过在压紧套的内锥孔上设有内螺纹；在接头连接时，通过压紧套的内螺纹将钢塑复合管头的扩口上挤压出螺纹，压紧套对钢塑复合管头形成一个抓力，可以有效防止钢塑复合管头与钢塑复合管接头的脱落。解决了相对较粗的钢塑复合管接头连接不牢，容易出现管道与接头脱落，或漏水、漏气的问题。2. A steel-plastic composite pipe joint of the present invention is provided with an internal thread on the inner taper hole of the compression sleeve; when the joint is connected, the flare of the steel-plastic composite pipe head is extruded by the internal thread of the compression sleeve Out of the thread, the compression sleeve forms a grip on the steel-plastic composite pipe head, which can effectively prevent the steel-plastic composite pipe head and the steel-plastic composite pipe joint from falling off. It solves the problems that the relatively thick steel-plastic composite pipe joints are not firmly connected, and the pipes and joints are prone to fall off, or leak water and air.
附图说明Description of drawings
此处所说明的附图用来提供对本发明实施例的进一步理解，构成本申请的一部分，并不构成对本发明实施例的限定。在附图中：The drawings described here are used to provide a further understanding of the embodiments of the present invention, constitute a part of the application, and do not limit the embodiments of the present invention. In the attached picture:
图1为本发明一种钢塑复合管接头的结构示意图；Fig. 1 is a structural representation of a steel-plastic composite pipe joint of the present invention;
图2为本发明连接头主体的结构示意图；Fig. 2 is a schematic structural view of the main body of the connector of the present invention;
图3为本发明L型张紧块7的结构示意图；Fig. 3 is a schematic structural view of the L-shaped tension block 7 of the present invention;
附图中标记及对应的零部件名称：Marks and corresponding parts names in the attached drawings:
1-连接头主体，2-连接压紧套件，3-钢塑复合管头，4-锥型接头，5-第一连接法兰，6-L型槽，7-L型张紧块，8-第二连接法兰，9-压紧套，10-螺栓，11-环型槽，12-密封圈，13-销轴，14-密封环，15-内螺纹，16-轴孔。1-Connection head body, 2-Connection compression kit, 3-Steel-plastic composite pipe head, 4-Taper joint, 5-First connecting flange, 6-L-shaped groove, 7-L-shaped tension block, 8 -Second connecting flange, 9-compression sleeve, 10-bolt, 11-ring groove, 12-sealing ring, 13-pin shaft, 14-sealing ring, 15-internal thread, 16-shaft hole.
具体实施方式detailed description
为使本发明的目的、技术方案和优点更加清楚明白，下面结合实施例和附图，对本发明作进一步的详细说明，本发明的示意性实施方式及其说明仅用于解释本发明，并不作为对本发明的限定。In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the examples and accompanying drawings. As a limitation of the present invention.
实施例Example
如图1-3所示，本发明一种钢塑复合管接头，包括连接头主体1和连接压紧套件2，连接头主体1和连接压紧套件2均采用铸铁锻造再机夹制成，如图1所示，附图1只显示连接头主体1一端的连接结构，由于两端接头相同，连接头主体1两端均设有用于插套钢塑复合管头3的锥型接头4，锥型接头4内侧的连接头主体1上设有第一连接法兰5，第一连接法兰5外侧面与连接头主体1的夹角面环绕设置多个L型槽6，L型槽6内设置有L型张紧块7；连接压紧套件2包括第二连接法兰8和压紧套9，压紧套9也呈锥筒型，第二连接法兰8设置在压紧套9的大头端上；连接压紧套件2通过套设在锥型接头4上将钢塑复合管头3夹紧密封，第二连接法兰8与第一连接法兰5相配合通过螺栓10紧固连接。As shown in Figures 1-3, a steel-plastic composite pipe joint of the present invention includes a connector body 1 and a connection compression set 2, both of which are made of cast iron forging and clamping. As shown in Figure 1, the accompanying drawing 1 only shows the connection structure at one end of the main body 1 of the connector. Since the joints at both ends are the same, both ends of the main body 1 of the connector are provided with a tapered joint 4 for inserting the steel-plastic composite pipe head 3, The connecting head main body 1 inside the conical joint 4 is provided with a first connecting flange 5, and a plurality of L-shaped grooves 6 are arranged around the angled surface between the outer surface of the first connecting flange 5 and the connecting head main body 1, and the L-shaped grooves 6 There is an L-shaped tension block 7 inside; the connection compression set 2 includes a second connection flange 8 and a compression sleeve 9, the compression sleeve 9 is also in the shape of a cone, and the second connection flange 8 is arranged on the compression sleeve 9 on the big end; the connection compression kit 2 is set on the tapered joint 4 to clamp and seal the steel-plastic composite pipe head 3, and the second connecting flange 8 is matched with the first connecting flange 5 and fastened by bolts 10 connect.
锥型接头4的锥型面上设两个环型槽11，环型槽11内设有密封圈12。通过密封圈12可以使钢塑复合管头3与锥型接头4的锥型面形成密封连接。Two annular grooves 11 are arranged on the tapered surface of the tapered joint 4 , and a sealing ring 12 is arranged in the annular grooves 11 . The sealing ring 12 can form a sealed connection between the steel-plastic composite pipe head 3 and the tapered surface of the tapered joint 4 .
压紧套9的内锥孔上设有内螺纹15。本发明一种钢塑复合管接头，通过在压紧套的内锥孔上设有内螺纹；在接头连接时，通过压紧套的内螺纹将钢塑复合管头的扩口上挤压出螺纹，压紧套对钢塑复合管头形成一个抓力，可以有效防止钢塑复合管头与钢塑复合管接头的脱落。An internal thread 15 is provided on the inner tapered hole of the compression sleeve 9 . A steel-plastic composite pipe joint of the present invention is provided with an internal thread on the inner taper hole of the compression sleeve; when the joint is connected, the internal thread of the compression sleeve squeezes out the thread on the flaring of the steel-plastic composite pipe head. , The compression sleeve forms a grip on the steel-plastic composite pipe head, which can effectively prevent the steel-plastic composite pipe head and the steel-plastic composite pipe joint from falling off.
L型张紧块7的转角上设有轴孔16，所述L型张紧块7通过插在轴孔16内的销轴13安装在L型槽6内，在第二连接法兰的端面对L型张紧块的上角面挤压时，L型张紧块7在L型槽6内可以绕销轴13转动。L型张紧块7数量为4-16件，优选为8件。L型张紧块7的内角为86°-88°。优选为87°。A shaft hole 16 is provided on the corner of the L-shaped tension block 7, and the L-shaped tension block 7 is installed in the L-shaped groove 6 through a pin shaft 13 inserted in the shaft hole 16, and at the end of the second connecting flange When pressing against the upper corner of the L-shaped tension block, the L-shaped tension block 7 can rotate around the pin shaft 13 in the L-shaped groove 6 . The number of L-shaped tension blocks 7 is 4-16 pieces, preferably 8 pieces. The inner angle of the L-shaped tension block 7 is 86°-88°. Preferably it is 87°.
第一连接法兰5外侧面与连接头主体1的夹角处还设置有密封环14。通过密封环14可以对钢塑复合管头3与第一连接法兰5外侧面形成密封连接。A sealing ring 14 is also provided at the angle between the outer surface of the first connecting flange 5 and the main body 1 of the connecting head. The sealing ring 14 can form a sealed connection between the steel-plastic composite pipe head 3 and the outer surface of the first connecting flange 5 .
本发明一种钢塑复合管接头，通过在第一连接法兰外侧面与连接头主体的夹角面环绕设置多个L型槽，L型槽内设置有L型张紧块；通过第二连接法兰的端面对L型张紧块的上角面挤压，使L型张紧块的下角面翘起挤压在钢塑复合管头扩口内孔面上，完成塑复合管头与管接头的牢固密封连接。本发明一种钢塑复合管接头，通过在压紧套的内锥孔上设有内螺纹；在接头连接时，通过压紧套的内螺纹将钢塑复合管头的扩口上挤压出螺纹，压紧套对钢塑复合管头形成一个抓力，可以有效防止钢塑复合管头与钢塑复合管接头的脱落。A steel-plastic composite pipe joint of the present invention is provided with a plurality of L-shaped grooves around the angled surface between the outer surface of the first connecting flange and the main body of the connecting head, and L-shaped tension blocks are arranged in the L-shaped grooves; through the second The end of the connecting flange is squeezed on the upper corner of the L-shaped tension block, so that the lower corner of the L-shaped tension block is lifted and squeezed on the inner hole surface of the steel-plastic composite pipe head to complete the plastic composite pipe head and Tight and airtight connection of pipe fittings. A steel-plastic composite pipe joint of the present invention is provided with an internal thread on the inner taper hole of the compression sleeve; when the joint is connected, the internal thread of the compression sleeve squeezes out the thread on the flaring of the steel-plastic composite pipe head , The compression sleeve forms a grip on the steel-plastic composite pipe head, which can effectively prevent the steel-plastic composite pipe head and the steel-plastic composite pipe joint from falling off.
采用上述一种钢塑复合管连接头，解决了相对较粗的钢塑复合管接头连接不牢，容易出现管道与接头脱落，或漏水、漏气的问题。The above-mentioned steel-plastic composite pipe connector solves the problems that relatively thick steel-plastic composite pipe joints are not firmly connected, and the pipes and joints are prone to fall off, or leak water or air.
实施例2Example 2
如图1-3所示，本发明一种钢塑复合管连接方法，包括步骤：As shown in Figures 1-3, a steel-plastic composite pipe connection method of the present invention includes steps:
步骤1)将连接压紧套件2套在钢塑复合管上；Step 1) Set the connection compression kit 2 on the steel-plastic composite pipe;
步骤2)钢塑复合管头3扩口与锥型接头4匹配；Step 2) The expansion of the steel-plastic composite pipe head 3 is matched with the tapered joint 4;
步骤3)在锥型接头4上的环型槽11内套上密封圈12；在第一连接法兰5外侧面与连接头主体1的夹角处套上密封环14；Step 3) Put a sealing ring 12 in the annular groove 11 on the tapered joint 4; put a sealing ring 14 at the angle between the outer surface of the first connecting flange 5 and the main body 1 of the connecting head;
步骤4)将扩口后的钢塑复合管头3套在锥型接头4上，直至钢塑复合管头3端面挤压在密封环14上；Step 4) Put the flared steel-plastic composite pipe head 3 on the tapered joint 4 until the end surface of the steel-plastic composite pipe head 3 is squeezed on the sealing ring 14;
步骤5)移动连接压紧套件2向连接头主体1靠拢，在连接压紧套件2贴近钢塑复合管头3的扩口后，旋转连接压紧套件2，通过压紧套9的内螺纹15将钢塑复合管头3的扩口上挤压出螺纹，在第二连接法兰8与第一连接法兰5之间的距离2-5cm时，采用螺栓10将第二连接法兰8和第一连接法兰5紧固连接，同时，通过第二连接法兰8的端面对L型张紧块7的上角面挤压，使L型张紧块7的下角面翘起挤压在钢塑复合管头3扩口内孔面上，完成塑复合管头3与管接头的牢固密封连接。Step 5) Move the connection compression set 2 closer to the main body 1 of the connection head. After the connection compression set 2 is close to the flare of the steel-plastic composite pipe head 3, rotate the connection compression set 2, and pass the internal thread 15 of the compression sleeve 9. Extrude the thread on the flaring of the steel-plastic composite pipe head 3, and when the distance between the second connecting flange 8 and the first connecting flange 5 is 2-5 cm, use bolts 10 to connect the second connecting flange 8 and the first connecting flange 5 A connection flange 5 is fastened and connected, and at the same time, the end face of the second connection flange 8 is pressed against the upper corner of the L-shaped tension block 7, so that the lower corner of the L-shaped tension block 7 is lifted and squeezed on the The steel-plastic composite pipe head 3 is flared on the inner hole surface to complete the firm sealing connection between the plastic composite pipe head 3 and the pipe joint.
采用上述一种钢塑复合管连接方法，解决了相对较粗的钢塑复合管接头连接不牢，容易出现管道与接头脱落，或漏水、漏气的问题。The above-mentioned steel-plastic composite pipe connection method solves the problems that the relatively thick steel-plastic composite pipe joints are not firmly connected, and the pipes and joints are prone to fall off, or water and air leaks.
以上所述的具体实施方式，对本发明的目的、技术方案和有益效果进行了进一步详细说明，所应理解的是，以上所述仅为本发明的具体实施方式而已，并不用于限定本发明的保护范围，凡在本发明的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The specific embodiments described above have further described the purpose, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above descriptions are only specific embodiments of the present invention and are not intended to limit the scope of the present invention. Protection scope, within the spirit and principles of the present invention, any modification, equivalent replacement, improvement, etc., shall be included in the protection scope of the present invention.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764155A (en) * | 2017-01-22 | 2017-05-31 | 中国五冶集团有限公司 | A kind of steel-plastic composite pipe joint and its method |
| CN112145258A (en) * | 2020-09-26 | 2020-12-29 | 蔡金洲 | Exhaust pipe assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764155A (en) * | 2017-01-22 | 2017-05-31 | 中国五冶集团有限公司 | A kind of steel-plastic composite pipe joint and its method |
| CN112145258A (en) * | 2020-09-26 | 2020-12-29 | 蔡金洲 | Exhaust pipe assembly |
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