CN109780338A - 一种复合式软管 - Google Patents

一种复合式软管 Download PDF

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CN109780338A
CN109780338A CN201910148160.3A CN201910148160A CN109780338A CN 109780338 A CN109780338 A CN 109780338A CN 201910148160 A CN201910148160 A CN 201910148160A CN 109780338 A CN109780338 A CN 109780338A
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CN109780338B (zh
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王佳奇
张超
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00—Layered products having a non-planar shape
    • B32B1/08—Tubular products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B32B27/285—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyethers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/10—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements not embedded in the wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/01—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses adapted for hoses having a multi-layer wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/20—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members
    • F16L33/207—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose
    • F16L33/2071—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose the sleeve being a separate connecting member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/22—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts
    • F16L33/223—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts the sealing surfaces being pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • F16L33/224—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts the sealing surfaces being pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts a clamping ring being arranged between the threaded member and the connecting member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/54—Yield strength; Tensile strength
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2597/00—Tubular articles, e.g. hoses, pipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters

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Abstract

本发明涉及软管技术领域，具体涉及一种复合式软管，它包括复合式软管本体，该复合式软管本体包括外层管体、与外层管体同轴的中层管体，与中层管体同轴的内层管体；所述中层管体设置在外层管体的内壁上，内层管体设置在中层管体的内壁上，均采用粘胶粘形成复合管体；所述复合管体的端头套设有软管连接卡头；所述复合管体的端头处套设有紧箍塑料瓜；所述紧箍塑料瓜安装在软管连接卡头的拧帽内；它采用三层管体形成复合式管体，且在复合管体的内二层内壁上设置若干加强凸筋，并且在复合式管体的管口上安装紧箍塑料瓜，从而方便与软管连接卡头紧箍；它具有使用方便，气密性好，使得管体在弯曲时不易折断，且能够延长管体的使用寿命。

Description

一种复合式软管
【技术领域】
本发明涉及软管技术领域，具体涉及一种复合式软管。
【背景技术】
软管一般采用天然或合成纤维、橡胶、热塑性橡胶等材料制作而成。其在使用时存在如下问题：传统软管与软管连接卡头连接，形成不同管径转换，方便使用。但是传统的软管采用单层管壁，在地面上拖动时，当碰到石头等锋利物体，易割破软管管壁，造成软管损坏。此外传统的软管连接卡头在使用时，易出现漏水现象。
【发明内容】
本发明的目的在于针对现有技术的缺陷和不足，提供一种复合式软管。
本发明所述的一种复合式软管，它包括复合式软管本体，该复合式软管本体包括外层管体、与外层管体同轴的中层管体，与中层管体同轴的内层管体；所述中层管体设置在外层管体的内壁上，内层管体设置在中层管体的内壁上，均采用粘胶粘形成复合管体；
所述复合管体的端头套设有软管连接卡头；所述复合管体的端头处套设有紧箍塑料瓜；所述紧箍塑料瓜安装在软管连接卡头的拧帽内；
所述外层管体的内壁为光滑状；
所述中层管体的外壁为光滑状；所述中层管体内壁为波纹管状壁面；所述波纹管状壁面中，沿中层管体的轴向方向均匀设置排列有若干内壁加强筋一；
所述内层管体外壁为光滑状；所述内层管体内壁为波纹管状壁面；所述波纹管状壁面中，沿中层管体的轴向方向均匀设置排列有若干内壁加强筋二；
所述内层管体与中层管体的若干内壁加强筋一的底端之间形成若干弧形槽腔，弧形槽腔内填充胶，使内层管体与中层管体粘连紧固。
进一步地，所述内壁加强筋一、内壁加强筋二的截面为圆形。
进一步地，所述外层管体的外表面四周上，沿其管体的方向的均匀设置有若干纵向线条凸起或外层管体的外表面上包裹有网纹式凸筋。
进一步地，所述外层管体、中层管体的材料是PPE材料；内壁加强筋一、内壁加强筋二的材料为绦纶。
进一步地，所述紧箍塑料瓜包括锥台形壳体，锥台形壳体上开设有伸缩缝隙，该锥台形壳体的壳体上均匀开设有若干间隙，形成若干弧形紧箍板；所述弧形紧箍板的内壁下部设置有弧形凸台，若干弧形凸台形成环台；所述环台的内径与复合管体的管径相配合；所述若干弧形紧箍板上部形成环槽，该环槽与拧帽的内壁管径相配合。
进一步地，所述软管连接卡头包括环盘，环盘的前面上设置有管口，管口上套设有伸缩式套筒，环盘后面设置有凸筒，凸筒的筒体四周设置若干凸板，凸筒的底端设置有螺纹口，若干凸板的外侧端边设置有与凸筒的底端螺纹口相配合的外螺纹；所述凸筒的底面设置有筒形卡头，筒形卡头卡设在复合管体的中层管体中；所述凸筒上拧旋有拧帽，拧帽内壁上部设置有与凸筒的外螺纹相配合的内螺纹；所述拧帽底部端口与复合管体的相配合。
进一步地，所述筒形卡头包括筒状管体，筒状管体的形状为直筒状，筒状管体的外侧端口为锥台形状筒口，筒状管体一侧上设置有环形凹槽，环形凹槽套设有皮质管套，紧箍塑料瓜上的若干弧形紧箍板的底端紧箍在皮质管套上；所述筒形卡头的两端为开口状，筒形卡头内设置有导水道。
采用上述结构后，本发明有益效果为：本发明所述的一种复合式软管，它采用三层管体形成复合式管体，且在复合管体的内二层内壁上设置若干加强凸筋，并且在复合式管体的管口上安装紧箍塑料瓜，从而方便与软管连接卡头紧箍；它具有使用方便，气密性好，使得管体在弯曲时不易折断，且能够延长管体的使用寿命。
【附图说明】
此处所说明的附图是用来提供对本发明的进一步理解，构成本申请的一部分，但并不构成对本发明的不当限定，在附图中：
图1是本发明结构示意图；
图2是本发明的卸去拧帽的立体结构示意图；
图3是本发明中的中层管体的截面结构图；
图4是本发明中的紧箍塑料瓜的立体结构示意图；
图5是本发明中的紧箍塑料瓜的俯视结构示意图；
图6是本发明中的复合管体的截面结构图；
图7是本发明中的筒形卡头的结构示意图。
附图标记说明：
1、软管连接卡头；11、伸缩式套筒；12、管口；13、环盘；14、拧帽；15、筒形卡头；151、筒状管体；152、皮质管套；153、锥台形状筒口；154、导水道；16、凸筒；17、凸板；2、复合式软管本体；21、外层管体；211、纵向线条凸起；22、中层管体；221、内壁加强筋一；23、内层管体；231、内壁加强筋二；24、弧形槽腔；3、紧箍塑料瓜；31、锥台形壳体；32、间隙；33、弧形紧箍板；331、弧形凸台；34、伸缩缝隙。
【具体实施方式】
下面将结合附图以及具体实施例来详细说明本发明，其中的示意性实施例以及说明仅用来解释本发明，但并不作为对本发明的限定。
如图1-图7所示，本具体实施方式所述的一种复合式软管，它包括复合式软管本体2，该复合式软管本体2包括外层管体21、与外层管体21同轴的中层管体22，与中层管体22同轴的内层管体23；所述中层管体22设置在外层管体21的内壁上，内层管体23设置在中层管体22的内壁上，均采用粘胶粘形成复合管体；
所述复合管体的端头套设有软管连接卡头1；所述复合管体的端头处套设有紧箍塑料瓜3；所述紧箍塑料瓜3安装在软管连接卡头1的拧帽14内；
所述外层管体21的内壁为光滑状；
所述中层管体22的外壁为光滑状；所述中层管体22内壁为波纹管状壁面；所述波纹管状壁面中，沿中层管体的轴向方向均匀设置排列有若干内壁加强筋一221；
所述内层管体23外壁为光滑状；所述内层管体23内壁为波纹管状壁面；所述波纹管状壁面中，沿中层管体的轴向方向均匀设置排列有若干内壁加强筋二231；
所述内层管体23与中层管体22的若干内壁加强筋一221的底端之间形成若干弧形槽腔24，弧形槽腔24内填充胶，使内层管体23与中层管体22粘连紧固。
进一步地，所述内壁加强筋一221、内壁加强筋二231的截面为圆形。
进一步地，所述外层管体21的外表面四周上，沿其管体的方向的均匀设置有若干纵向线条凸起211或外层管体21的外表面上包裹有网纹式凸筋。
进一步地，所述外层管体21、中层管体22的材料是PPE材料；内壁加强筋一221、内壁加强筋二231的材料为绦纶。
进一步地，所述紧箍塑料瓜3包括锥台形壳体31，锥台形壳体31上开设有伸缩缝隙34，该锥台形壳体31的壳体上均匀开设有若干间隙32，形成若干弧形紧箍板33；所述弧形紧箍板33的内壁下部设置有弧形凸台331，若干弧形凸台331形成环台；所述环台的内径与复合管体的管径相配合；所述若干弧形紧箍板33上部形成环槽，该环槽与拧帽14的内壁管径相配合。
进一步地，所述软管连接卡头1包括环盘13，环盘13的前面上设置有管口12，管口12上套设有伸缩式套筒11，环盘13后面设置有凸筒16，凸筒16的筒体四周设置若干凸板17，凸筒16的底端设置有螺纹口，若干凸板17的外侧端边设置有与凸筒16的底端螺纹口相配合的外螺纹；所述凸筒16的底面设置有筒形卡头15，筒形卡头15卡设在复合管体的中层管体中；所述凸筒16上拧旋有拧帽14，拧帽14内壁上部设置有与凸筒16的外螺纹相配合的内螺纹；所述拧帽14底部端口与复合管体的相配合。
进一步地，所述筒形卡头15包括筒状管体151，筒状管体151的形状为直筒状，筒状管体151的外侧端口为锥台形状筒口153，筒状管体151一侧上设置有环形凹槽，环形凹槽套设有皮质管套152，紧箍塑料瓜3上的若干弧形紧箍板33的底端紧箍在皮质管套152上；所述筒形卡头15的两端为开口状，筒形卡头15内设置有导水道154。
本设计在使用时，复合管体由外层管体、中层管体和内层管体组成。本设计中，复合管体的中层管体22内壁为波纹管状壁面，波纹管状壁面上设置有若干内壁加强筋一221；内层管体23内壁为波纹管状壁面中，沿中层管体的轴向方向均匀设置排列有若干内壁加强筋二231。内壁加强筋一221、内壁加强筋二231的材料为绦纶，使用时复合管体不易弯曲折断。
本设计中，波纹管状壁面上，软管连接卡头1的筒形卡头15插设在复合管体的内层管体内壁上，筒形卡头15与内层管体内壁的波纹管状壁面起卡合作用，方便紧固。
为了进一步紧固复合管体与软管连接卡头1，在复合管体的端头处套设有紧箍塑料瓜3，紧箍塑料瓜3的锥台形壳体31上的伸缩缝隙34，使得紧箍塑料瓜3具有一定的伸缩性(弹性)，方便套设在不同管径的复合管体上。紧箍塑料瓜3呈锥台形，紧箍塑料瓜的两端为开口状，一端开口与软管连接卡头1的拧帽相配合，一端开口与复合管体的管径相配合。由于紧箍塑料瓜3采用柔性塑料，因此其内壁下部的环台，紧固在复合管体上。且紧箍塑料瓜3的的若干弧形紧箍板33的底端紧箍在皮质管套152上，增强管体的密封性，防止水渗出。本设计使用时，紧箍塑料瓜3套设在复合管体的端头上，然后再使用拧帽套在紧箍塑料瓜3上，拧旋固定在软管连接卡头1的凸筒16上紧固。
以上所述仅是本发明的较佳实施方式，故凡依本发明专利申请范围所述的构造、特征及原理所做的等效变化或修饰，均包括于本发明专利申请范围内。

Claims (7)

1.一种复合式软管，它包括复合式软管本体(2)，其特征在于：该复合式软管本体(2)包括外层管体(21)、与外层管体(21)同轴的中层管体(22)，与中层管体(22)同轴的内层管体(23)；所述中层管体(22)设置在外层管体(21)的内壁上，内层管体(23)设置在中层管体(22)的内壁上，均采用粘胶粘形成复合管体；
所述复合管体的端头套设有软管连接卡头(1)；所述复合管体的端头处套设有紧箍塑料瓜(3)；所述紧箍塑料瓜(3)安装在软管连接卡头(1)的拧帽(14)内；
所述外层管体(21)的内壁为光滑状；所述中层管体(22)的外壁为光滑状；所述中层管体(22)内壁为波纹管状壁面；所述波纹管状壁面中，沿中层管体的轴向方向均匀设置排列若干内壁加强筋一(221)；所述内层管体(23)外壁为光滑状；所述内层管体(23)内壁为波纹管状壁面；所述波纹管状壁面中，沿中层管体的轴向方向均匀设置排列若干内壁加强筋二(231)；所述内层管体(23)与中层管体(22)的若干内壁加强筋一(221)的底端之间形成若干弧形槽腔24，弧形槽腔24内填充胶，使内层管体(23)与中层管体(22)粘连紧固。
2.根据权利要求1所述的一种复合式软管，其特征在于：所述内壁加强筋一(221)、内壁加强筋二(231)的截面为圆形。
3.根据权利要求1所述的一种复合式软管，其特征在于：所述外层管体(21)的外表面四周上，沿其管体的方向的均匀设置有若干纵向线条凸起(211)或外层管体(21)的外表面上包裹有网纹式凸筋。
4.根据权利要求1所述的一种复合式软管，其特征在于：所述外层管体(21)、中层管体(22)的材料是PPE材料；内壁加强筋一(221)、内壁加强筋二(231)的材料为绦纶。
5.根据权利要求1所述的一种复合式软管，其特征在于：所述紧箍塑料瓜(3)包括锥台形壳体(31)，锥台形壳体(31)上开设有伸缩缝隙(34)，该锥台形壳体(31)的壳体上均匀开设有若干间隙(32)，形成若干弧形紧箍板(33)；所述弧形紧箍板(33)的内壁下部设置有弧形凸台(331)，若干弧形凸台(331)形成环台；所述环台的内径与复合管体的管径相配合；所述若干弧形紧箍板(33)上部形成环槽，该环槽与拧帽(14)的内壁管径相配合。
6.根据权利要求1所述的一种复合式软管，其特征在于：所述软管连接卡头(1)包括环盘(13)，环盘(13)的前面上设置有管口(12)，管口(12)上套设有伸缩式套筒(11)，环盘(13)后面设置有凸筒(16)，凸筒(16)的筒体四周设置若干凸板(17)，凸筒(16)的底端设置有螺纹口，若干凸板(17)的外侧端边设置有与凸筒(16)的底端螺纹口相配合的外螺纹；所述凸筒(16)的底面设置有筒形卡头(15)，筒形卡头(15)卡设在复合管体的中层管体中；所述凸筒(16)上拧旋有拧帽(14)，拧帽(14)内壁上部设置有与凸筒(16)的外螺纹相配合的内螺纹；所述拧帽(14)底部端口与复合管体的相配合。
7.根据权利要求6所述的一种复合式软管，其特征在于：所述筒形卡头(15)包括筒状管体(151)，筒状管体(151)的形状为直筒状，筒状管体(151)的外侧端口为锥台形状筒口(153)，筒状管体(151)一侧上设置有环形凹槽，环形凹槽套设有皮质管套(152)，紧箍塑料瓜(3)上的若干弧形紧箍板(33)的底端紧箍在皮质管套(152)上；所述筒形卡头(15)的两端为开口状，筒形卡头(15)内设置有导水道(154)。
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