WO2020037786A1 - 密封性防震动回旋的软管接头 - Google Patents

密封性防震动回旋的软管接头 Download PDF

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Publication number
WO2020037786A1
WO2020037786A1 PCT/CN2018/108957 CN2018108957W WO2020037786A1 WO 2020037786 A1 WO2020037786 A1 WO 2020037786A1 CN 2018108957 W CN2018108957 W CN 2018108957W WO 2020037786 A1 WO2020037786 A1 WO 2020037786A1
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WO
WIPO (PCT)
Prior art keywords
nut
vibration
hose connector
connection section
section
Prior art date
Application number
PCT/CN2018/108957
Other languages
English (en)
French (fr)
Inventor
余志明
徐小元
Original Assignee
嘉兴市盛央电气有限公司
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 嘉兴市盛央电气有限公司 filed Critical 嘉兴市盛央电气有限公司
Priority to EP18900572.1A priority Critical patent/EP3633257B1/en
Priority to JP2019533431A priority patent/JP2020535350A/ja
Priority to US16/474,064 priority patent/US11333277B2/en
Publication of WO2020037786A1 publication Critical patent/WO2020037786A1/zh

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Classifications

    • 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
    • F16L33/02—Hose-clips
    • F16L33/035—Hose-clips fixed by means of teeth or hooks
    • 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
    • F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
    • F16L25/0036—Joints for corrugated pipes
    • F16L25/0045—Joints for corrugated pipes of the quick-acting type
    • 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
    • F16L33/003—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses comprising elements arranged in the hose walls
    • 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
    • F16L33/02—Hose-clips
    • F16L33/025—Hose-clips tightened by deforming radially extending loops or folds
    • 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
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/10—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using a rotary external sleeve or ring on one part
    • F16L37/101—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using a rotary external sleeve or ring on one part in which the coupling is coaxial with the pipe

Definitions

  • the present invention relates to a hose joint, and more particularly, to a tightly sealed and anti-vibration hose joint.
  • Some hose joints are snap-type quick-plug hose joints for quick loading and unloading.
  • This structure is mainly composed of a nut and a main body.
  • the nut is provided with four hooks, and the hooks have hooking portions on the inner and outer sides.
  • the main body is provided with a groove capable of axially fixing and matching with the hooking portions on the outer side of the hooks.
  • the hooks and grooves on the outside of the claw cooperate to detachably connect the nut and the body.
  • hose joint is a knob-type hose joint.
  • This structure is also composed of a nut and a main body. Both the main body and the nut are threaded, and they are tightly connected by clockwise rotation of the nut.
  • the head of the nut has a guide section with a specific angle.
  • the rubber seal ring in the main body is tightened with the screw cap and the guide section of the nut.
  • the shape is reduced from large to a size that can wrap the hose to complete the fixing of the hose. .
  • this type of screw connection has hidden safety hazards caused by vibration slewing generated during high-speed operation of the locomotive.
  • the hose is fixed by the change in the shape of the sealing ring, and its anti-pulling ability is poor.
  • the present invention provides a hermetically sealed anti-vibration hose connector, which can not only effectively seal the hose, but also prevent the nut from rotating and vibrating relative to the main body. [0006] To achieve the above object, the present invention provides the following technical solutions:
  • a hermetically sealed anti-vibration hose connector includes a joint body and a nut, the joint body has a connection section, the nut is connected to the connection section, the connection section has a hook, and the nut There is a pressing section, the pressing section is pressed on the hook and the hook is bent toward the central axis of the joint body; the nut is provided with a locking block, and the side wall of the connecting section is provided with a locking groove and A plurality of spiral guide bars, the spiral guide bars are evenly distributed around the center axis of the joint body, and a spiral guide groove guided by a locking block is formed between each adjacent two spiral guide bars, and the locking grooves are located in the spiral guide The end of the slot for the locking block to snap in and lock.
  • an end of the connecting section is provided with an anti-dropout ring to prevent the nut from falling off.
  • the end of the connecting section is formed with a guide slope for the locking block to slide through the anti-dropout loop.
  • the locking groove is formed by two protrusions arranged along the extending direction of the spiral guide groove.
  • a side wall of the protrusion facing away from the locking groove is disposed in an inclined shape.
  • a sealing ring is provided in the connecting section.
  • a diameter of the pressing section gradually decreases from an end facing the hook to an end facing away from the hook.
  • the hose joint further includes a threaded connection section, and a nut is connected to the threaded connection section.
  • the advantages of the present invention are as follows:
  • the rotary block of the lock block and the spiral guide groove can achieve the effect of sealing and fastening, and the cooperation of the lock block and the lock groove can prevent the nut from vibrating with respect to the main body.
  • Figure 1 is a cross-sectional view of the hermetically sealed anti-vibration hose connector provided by this embodiment
  • FIG. 2 is a schematic diagram of a nut provided by this embodiment
  • FIG. 3 is a schematic diagram of a joint body provided in this embodiment.
  • a hermetically sealed anti-vibration hose connector includes a joint body 30 and a nut 20.
  • the joint body 30 has a connecting section 31, and the nut 20 is connected to the connecting section.
  • the connecting section 31 has hooks 32.
  • the hooks 32 have four groups, each group having two hooks 32
  • the four groups of hooks 32 are uniformly arranged in a circle around the center axis of the joint body 30.
  • the nut 20 has a pressing section 21.
  • the pressing section 21 is pressed against the hook claw 32 and bends the hook claw 32 toward the center axis of the joint body 30. That is, the nut is being assembled to the joint body 30
  • the pressing section 21 presses the hook claw 32 toward the central axis of the joint body 30.
  • the nut has four locking blocks 22, and the four locking blocks 22 are uniformly distributed on the circumference of the center axis of the nut, and the side wall of the connecting section has four locking grooves 35 and four spirals.
  • a guide bar 37, the spiral guide bar 37 is uniformly distributed circumferentially with the center axis of the joint body 30 as a center, and a spiral guide groove 33 guided by the locking block 22 is formed between each adjacent two spiral guide bars 37,
  • the four locking grooves 35 are respectively located at the ends of the spiral guide grooves 33 for the locking blocks 22 to be locked in and locked.
  • an end of the connecting section 31 is provided with an anti-dropout ring 39 to prevent the nut from falling off.
  • the anti-drop-off ring 39 can effectively ensure that the nut is difficult to fall off from the main body after being buckled, which ensures the stability of the structure and the safety and reliability of use.
  • connection section is formed with a guide slope 38 for the locking block 22 to slide over the anti-dropout ring 39, which can facilitate the locking block to slide over the anti-dropout ring 39 and snap onto the joint body 30. .
  • the locking groove 35 is formed by two protrusions 34 arranged along the extending direction of the spiral guide groove 33.
  • the side wall of the projection 34 facing away from the locking groove 35 is provided in an inclined shape 341, which can facilitate the sliding of the locking block 22 into the locking groove 35 under the guidance of the spiral guide groove 33, To lock the nut tightly to prevent it from turning around.
  • a sealing ring 60 is provided in the connecting section.
  • the inner and outer diameters of the sealing ring 60 are wavy. This structural design enables the hose to be firmly clamped on the sealing ring 60.
  • the sealing ring 60 can be tightly connected to the inside of the joint body 30 to ensure waterproof performance; on the other hand, because the sealing ring 60 is located inside the main body after assembly, the overall volume is reduced, and the joint can be conveniently located in a narrow space. application.
  • the diameter of the pressing section 21 gradually increases from an end facing the hook 32 to an end facing away from the hook 32. Decreased, under this setting, when the nut moves toward the joint body 30, the pressing section 21 can play a role in pressing the hook 32.
  • the hose joint further includes a threaded connection section 36, and a threaded nut 40 is connected to the threaded connection section.
  • the nut connecting section 31 of the joint body 30 has eight hooks 32, which can ensure that the hooks 32 can stably hold the hose under the condition of natural bending under force, and ensure the hose
  • the stability of the connection meanwhile, the deeper the bending depth of the hook claw 32 means that the deeper the grip with the hose, the stronger the pull-out resistance
  • the nut connection section 31 is composed of eight projections 34
  • the four locking grooves 35 are formed. The locking grooves 35 can lock the four locking blocks 22 after the nut is tightened, thereby preventing the harm caused by the vibration rotation.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joints With Pressure Members (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Supports For Pipes And Cables (AREA)
  • Joints That Cut Off Fluids, And Hose Joints (AREA)

Abstract

一种密封性防震动回旋的软管接头，解决了现有软管接头密封性差，并且防震动回旋效果差的问题，包括接头主体（30）和螺帽（20），接头主体上具有连接段（31），螺帽连接于连接段，连接段上具有钩爪（32），螺帽上具有挤压段（21），挤压段挤压于钩爪并使钩爪朝向接头主体的中心轴线弯曲；螺帽上具有锁紧块（22），连接段的侧壁上具有锁紧槽（35）和多个螺旋导向条（37），螺旋导向条绕接头主体的中心轴线均匀分布，并且每相邻两个螺旋导向条之间形成为锁紧块导向的螺旋导向槽，锁紧槽位于螺旋导向槽的末端，供锁紧块卡入并且锁紧。既能对软管进行有效的密封，又能防止螺帽相对于主体发生震动回旋的情况。

Description

密封性防震动回旋的软管接头 技术领域
[0001] 本发明涉及一种软管接头， 更具体的说涉及一种密封性防震动回旋的软管接头 背景技术
[0002] 5见有的软管接头是一种快速装卸的卡扣式快插软管接头， 此结构主要由螺帽与 主体组成。 其中螺帽上设有四个钩爪， 钩爪的内外侧均具有钩持部， 主体上设 有能与钩爪外侧的钩持部轴向固定配合的凹槽。 钩爪外侧的钩持部和凹槽配合 将螺帽与主体可拆分地连接在一起。 当软管插入到主体中空部分时， 钩爪内部 的钩持部能够与软管上的凹槽配合， 从而管子被卡紧在接头中。 此方案结构简 单、 装卸快捷， 能够保证软管能快速地插入和拔出。 但随之展现的弊端就是： 螺帽与主体间的间隙大， 软管与钩爪间存在摆动间隙， 不能有效的对软管进行 密封防护措施。
[0003] 5见有的另一种软管接头为旋钮式软管接头， 此结构也是由螺帽和主体组成。 主 体与螺帽均有螺纹， 通过螺帽的顺时针旋转， 两者紧密连接。 螺帽头部内具有 特定角度的导向段， 主体内的橡胶密封圈随着螺帽的旋入以及螺帽的导向段， 形态从大紧缩成可以包裹软管的尺寸， 完成对软管的固定。 众所周知， 此种螺 纹连接方式存在着机车高速运转中产生的振动回旋带来的安全隐患。 另外， 通 过密封圈的形态变化而固定软管， 其抗拉拔能力差。
[0004] 综上两点所述， 5见有技术中的软管接头存在着改进的空间。
发明概述
技术问题
问题的解决方案
技术解决方案
[0005] 针对现有技术的不足， 本发明提供了一种密封性防震动回旋的软管接头， 既能 对软管进行有效的密封， 又能防止螺帽相对于主体发生震动回旋的情况。 [0006] 为实现上述目的， 本发明提供了如下技术方案：
[0007] 一种密封性防震动回旋的软管接头， 包括接头主体和螺帽， 接头主体上具有连 接段， 螺帽连接于连接段， 所述连接段上具有钩爪， 所述螺帽上具有挤压段， 所述挤压段挤压于钩爪并使钩爪朝向接头主体的中心轴线弯曲； 所述螺帽上具 有锁紧块， 所述连接段的侧壁上具有锁紧槽和多个螺旋导向条， 所述螺旋导向 条绕接头主体的中心轴线均匀分布， 并且每相邻两个螺旋导向条之间形成为锁 紧块导向的螺旋导向槽， 所述锁紧槽位于螺旋导向槽的末端， 供锁紧块卡入并 且锁紧。
[0008] 优选的， 所述连接段的端部具有防止螺帽脱落的防脱环。
[0009] 优选的， 所述连接段的端部成型有供锁紧块滑过防脱环的导向斜坡。
[0010] 优选的， 所述锁紧槽由两块沿螺旋导向槽的延伸方向排列的凸块形成。
[0011] 优选的， 所述凸块背向锁紧槽的侧壁为倾斜状设置。
[0012] 优选的， 所述连接段内设置有密封圈。
[0013] 优选的， 所述挤压段的直径从朝向钩爪的一端至背向钩爪的一端逐渐减小。
[0014] 优选的， 所述软管接头还包括有螺纹连接段， 所述螺纹连接段上连接有螺母。
发明的有益效果
有益效果
[0015] 本发明的优点为： 通过锁紧块与螺旋导向槽的旋转式配合， 能够起到密封紧固 的效果， 锁紧块与锁紧槽的配合， 能防止螺帽相对于主体发生震动回旋的情况 对附图的简要说明
附图说明
[0016] 图 1为本实施例所提供的密封性防震动回旋的软管接头的剖视图;
[0017] 图 2为本实施例所提供的螺帽的示意图；
[0018] 图 3为本实施例所提供的接头主体的示意图。
实施该发明的最佳实施例
本发明的最佳实施方式 [0019] 结合图 1至图 3对本发明密封性防震动回旋的软管接头作进一步的说明。
[0020] 一种密封性防震动回旋的软管接头， 包括接头主体 30和螺帽 20， 接头主体 30上 具有连接段 31， 螺帽 20连接于连接段。
[0021] 所述连接段 31上具有钩爪 32, 本实施例中， 钩爪 32具有四组， 每组两个钩爪 32
， 四组钩爪 32绕接头主体 30的中心轴线呈圆周均匀排列。 所述螺帽 20上具有挤 压段 21， 所述挤压段 21挤压于钩爪 32并使钩爪 32朝向接头主体 30的中心轴线弯 曲， 即螺帽在装配至接头主体 30的过程中， 挤压段 21将钩爪 32朝向接头主体 30 的中心轴线挤压。 所述螺帽上具有四块锁紧块 22, 四块锁紧块 22以螺帽的中心 轴线为中心呈圆周均匀分布， 所述连接段的侧壁上具有四个锁紧槽 35和四条螺 旋导向条 37 , 所述螺旋导向条 37以接头主体 30的中心轴线为中心呈圆周均匀分 布， 并且每相邻两个螺旋导向条 37之间形成为锁紧块 22导向的螺旋导向槽 33， 所述四个锁紧槽 35分别位于螺旋导向槽 33的末端， 供锁紧块 22卡入并且锁紧。
[0022] 进一步的， 所述连接段 31的端部具有防止螺帽脱落的防脱环 39。 该防脱环 39能 有效的保证螺帽被扣入后难以从主体脱落， 保证了结构的稳定性， 以及使用的 安全可靠性。
[0023] 进一步的， 所述连接段的端部成型有供锁紧块 22滑过防脱环 39的导向斜坡 38， 该设置能够方便锁块滑过防脱环 39卡入到接头主体 30上。
[0024] 进一步的， 所述锁紧槽 35由两块沿螺旋导向槽 33的延伸方向排列的凸块 34形成
[0025] 进一步的， 所述凸块 34背向锁紧槽 35的侧壁为倾斜状 341设置， 该设置能够方 便锁紧块 22在螺旋导向槽 33的导向下滑入到锁紧槽 35内， 以将螺帽锁紧， 避免 其发生回旋的问题。
[0026] 进一步的， 所述连接段内设置有密封圈 60， 本实施例中， 密封圈 60的内外径形 状为波浪形， 该结构设计能使软管被牢牢地卡紧在密封圈 60内， 同时密封圈 60 与能与接头主体 30内部紧密连接从而保证了防水性能； 另一方面由于密封圈 60 在装配后位于主体内部， 从而整体体积减小， 接头能够很方便在狭小的空间内 应用。
[0027] 进一步的， 所述挤压段 21的直径从朝向钩爪 32的一端至背向钩爪 32的一端逐渐 减小， 该设置下， 当螺帽朝向接头主体 30移动时， 挤压段 21能够对钩爪 32起到 挤压的作用。
[0028] 进一步的， 所述软管接头还包括有螺纹连接段 36 所述螺纹连接段上连接有螺 母 40。
[0029] 综上所述：
[0030] 使用时首先把密封圈 60放置在接头主体 30内的， 把螺帽底部四个锁紧块 22对 准接头主体 30上的四个导向斜坡 38 , 稍稍一推螺帽， 螺帽就可以快速的与接头 主体 30连接， 即螺帽与接头主体 30的前期准备工作完成。 由于主体上有防脱环 3 9结构， 因此螺帽安装上去就不能被抜脱下来了。 当需要安装软管时， 将软管对 准并插入接头主体 30内的中空部分， 旋紧螺帽四分之一圈， 螺帽中的锁紧块 22 顺着螺帽连接段 31上的螺旋导向槽 33 , 准确的进入锁紧槽 35内， 并牢牢的卡合 在该锁紧槽 35内； 同时钩爪 32受到螺帽上挤压段 21的受力而产生自然弯曲， 以 稳定的卡在软管凹槽内。
[0031] 上述实施例中， 接头主体 30的螺帽连接段 31上具有八个钩爪 32, 能保证钩爪 32 在受力自然弯曲的情况下， 能将软管稳定的抓紧， 保证软管在本实施例中连接 的稳定性， 同时钩爪 32弯曲深度越深， 意味着与软管的抓取越深， 抗拉拔性能 越强； 螺帽连接段 31上由八个凸块 34所形成的四个锁紧槽 35 , 此锁紧槽 35能使 螺帽在旋紧的后， 将四个锁紧块 22卡柱， 从而杜绝振动回旋产生的危害。
[0032] 以上所述仅是本发明的优选实施方式， 本发明的保护范围并不仅局限于上述实 施例， 凡属于本发明思路下的技术方案均属于本发明的保护范围。 应当指出， 对于本技术领域的普通技术人员来说， 在不脱离本发明原理前提下的若干改进 和润饰， 这些改进和润饰也应视为本发明的保护范围。

Claims

权利要求书
[权利要求 1] 一种密封性防震动回旋的软管接头， 包括接头主体和螺帽， 接头主体 上具有连接段， 螺帽连接于连接段， 其特征是： 所述连接段上具有钩 爪， 所述螺帽上具有挤压段， 所述挤压段挤压于钩爪并使钩爪朝向接 头主体的中心轴线弯曲； 所述螺帽上具有锁紧块， 所述连接段的侧壁 上具有锁紧槽和多个螺旋导向条， 所述螺旋导向条绕接头主体的中心 轴线均匀分布， 并且每相邻两个螺旋导向条之间形成为锁紧块导向的 螺旋导向槽， 所述锁紧槽位于螺旋导向槽的末端， 供锁紧块卡入并且 锁紧。
[权利要求 2] 根据权利要求 1所述的密封性防震动回旋的软管接头， 其特征是： 所 述连接段的端部具有防止螺帽脱落的防脱环。
[权利要求 3] 根据权利要求 2所述的密封性防震动回旋的软管接头， 其特征是： 所 述连接段的端部成型有供锁紧块滑过防脱环的导向斜坡。
[权利要求 4] 根据权利要求 1所述的密封性防震动回旋的软管接头， 其特征是： 所 述锁紧槽由两块沿螺旋导向槽的延伸方向排列的凸块形成。
[权利要求 5] 根据权利要求 4所述的密封性防震动回旋的软管接头， 其特征是： 所 述凸块背向锁紧槽的侧壁为倾斜状设置。
[权利要求 6] 根据权利要求 1所述的密封性防震动回旋的软管接头， 其特征是： 所 述连接段内设置有密封圈。
[权利要求 7] 根据权利要求 1所述的密封性防震动回旋的软管接头， 其特征是： 所 述挤压段的直径从朝向钩爪的一端至背向钩爪的一端逐渐减小。
[权利要求 8] 根据权利要求 1所述的密封性防震动回旋的软管接头， 其特征是： 所 述软管接头还包括有螺纹连接段， 所述螺纹连接段上连接有螺母。
PCT/CN2018/108957 2018-08-24 2018-09-30 密封性防震动回旋的软管接头 WO2020037786A1 (zh)

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