WO2023045984A1 - 连接管组件及具有其的控制阀组件 - Google Patents

连接管组件及具有其的控制阀组件 Download PDF

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Publication number
WO2023045984A1
WO2023045984A1 PCT/CN2022/120311 CN2022120311W WO2023045984A1 WO 2023045984 A1 WO2023045984 A1 WO 2023045984A1 CN 2022120311 W CN2022120311 W CN 2022120311W WO 2023045984 A1 WO2023045984 A1 WO 2023045984A1
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Prior art keywords
connecting pipe
sleeve
connecting sleeve
wall
section
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PCT/CN2022/120311
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English (en)
French (fr)
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朱佳峰
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浙江盾安人工环境股份有限公司
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Application filed by 浙江盾安人工环境股份有限公司 filed Critical 浙江盾安人工环境股份有限公司
Priority to KR1020247010558A priority Critical patent/KR20240049617A/ko
Publication of WO2023045984A1 publication Critical patent/WO2023045984A1/zh

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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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • 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
    • F16L21/00—Joints with sleeve or socket

Definitions

  • the present application relates to the technical field of control valves, in particular, to a connecting pipe assembly and a control valve assembly having the same.
  • the existing control valve includes a valve body and a connecting pipe.
  • the valve body is provided with a valve pipe, and the connecting pipe communicates with the valve body through the valve pipe.
  • the valve pipe and the connecting pipe are fixed by welding. Due to the addition of too much solder or repeated plug-and-pull welding, welding bumps and welding slag will be formed in the welding area. The welding bumps and welding slag are easy to fall from the valve tube into the valve body, which will cause the passage in the valve body to be blocked and affect the control. normal use of the valve.
  • the present application provides a connecting pipe assembly and a control valve assembly having the same, so as to solve the problem in the prior art that the poor welding of the connecting pipe assembly affects the normal use of the control valve.
  • a connecting pipe assembly the connecting pipe assembly includes: a first connecting pipe having a first end and a second end oppositely disposed; a connecting sleeve, the first end of the first connecting pipe is located In the connection sleeve, the connection sleeve has a first end and a second end oppositely arranged, the first end of the connection sleeve is connected to the outer wall of the first connection pipe, and the inner wall of the middle part of the connection sleeve is connected to the second end of the first connection pipe.
  • the first end of the first connecting pipe is arranged in the connecting sleeve, and there is a gap between the inner wall of the middle part of the connecting sleeve and the outer wall of the first end of the first connecting pipe, and the gap forms an accommodating cavity.
  • the accommodating cavity can accommodate the welding spatter, welding slag or excess solder generated when the connecting sleeve and the second connecting pipe are welded, which can prevent the welding spatter, welding slag or excess solder from flowing out from the welding place, and ensures the normal use of the control valve.
  • the wall thickness of the connecting sleeve 20 is T
  • the maximum dimension of the gap in the radial direction is t
  • 0 ⁇ t ⁇ T The wall thickness of the connecting sleeve is set as T
  • the maximum dimension of the gap in the radial direction is set as t, 0 ⁇ t ⁇ T, which can further ensure the normal use of the control valve while improving the welding effect.
  • the end of the second connecting pipe inside the connecting sleeve abuts against the first end of the first connecting pipe, and the end of the second connecting pipe inside the connecting sleeve is in contact with the outer wall of the first end of the first connecting pipe.
  • the inner wall of the middle part of the connecting sleeve cooperates with each other to close the accommodating cavity.
  • the accommodating chamber is closed by connecting the first connecting pipe, the connecting sleeve and the second connecting pipe to each other, which can prevent welding spatter, welding slag or excess solder from overflowing from the accommodating chamber, thereby avoiding welding spatter, welding Slag or excess solder flows into the control valve, ensuring the stability of the control valve during operation.
  • the connecting sleeve includes a first section, a second section and a third section connected to each other, the first section of the connecting sleeve is connected to the first connecting pipe, and the third section of the connecting sleeve is connected to the second connecting pipe, An accommodation cavity is formed between the inner wall of the second section and the outer wall of the first end of the first connecting pipe, and the inner diameter of the second section increases gradually from the first section to the third section.
  • the inner diameter of the third section is D
  • the diameter of the outer wall of the first end of the first connecting pipe is d
  • t (D-d)*0.5.
  • the length of the first section is L1
  • the distance between the end face of the first end of the connecting sleeve and the end face of the first end of the first connecting pipe is L2
  • a limiting structure is provided on the inner wall of the connecting sleeve, the limiting structure is spaced from the first end of the first connecting pipe in the axial direction, and the limiting structure is used to limit the axial direction of the second connecting pipe in the connecting sleeve. Location.
  • the limiting structure there is a certain distance between the second connecting pipe and the end surface of the first connecting pipe, which further increases the accommodation area of the accommodation cavity, thereby being able to accommodate more welding bumps, welding slag or excess solder , to further improve the welding effect.
  • the plurality of protrusions form a position-limiting structure, and the plurality of protrusions are annularly arranged on the inner wall of the connecting sleeve at intervals.
  • the limiting structure includes a protrusion, and the protrusion is annularly arranged on the inner wall of the connecting sleeve.
  • Such setting can increase the contact area between the protrusion and the second connecting pipe, can limit the axial position of the second connecting pipe in the connecting sleeve, facilitates the welding of the second connecting pipe and the connecting sleeve, thereby further ensuring the second connection The stability of the connection between the pipe and the connecting sleeve.
  • a control valve assembly is provided, and the control valve assembly includes the above connecting pipe assembly.
  • Fig. 1 shows the sectional view of the connecting pipe assembly provided by the present application
  • Fig. 2 shows the schematic diagram of the dimensions of the connecting pipe assembly provided by the present application
  • Figure 3 shows a cross-sectional view of the first embodiment of the control valve assembly provided by the present application
  • Figure 4 shows a cross-sectional view of a second embodiment of the control valve assembly provided by the present application
  • Fig. 5 shows a schematic structural view of the second embodiment of the control valve assembly provided by the present application.
  • Embodiment 1 of the present application provides a connecting pipe assembly, which includes: a first connecting pipe 10 , a connecting sleeve 20 and a second connecting pipe 40 .
  • the first connecting pipe 10 has a first end and a second end oppositely arranged, and a connecting sleeve 20, the first end of the first connecting pipe 10 is located in the connecting sleeve 20, and the connecting sleeve 20 has a first end oppositely arranged.
  • the first connecting pipe is connected to the valve port, and the second connecting pipe is connected to other external equipment.
  • the first end of the first connecting pipe 10 is arranged in the connecting sleeve 20, and there is a gap between the inner wall of the middle part of the connecting sleeve 20 and the outer wall of the first end of the first connecting pipe 10, the gap An accommodation cavity 30 is formed, which can accommodate welding bumps, welding slag or excess solder generated when the connecting sleeve 20 and the second connecting pipe 40 are welded, so as to prevent welding bumps, welding slag or excess solder from flowing out from the welding place , to ensure the normal use of the control valve.
  • the wall thickness of the connecting sleeve 20 is T
  • the maximum dimension of the gap in the radial direction is t
  • 0 ⁇ t ⁇ T The wall thickness of the connecting sleeve is set as T
  • the maximum dimension of the gap in the radial direction is set as t, 0 ⁇ t ⁇ T, which can further ensure the normal use of the control valve while improving the welding effect.
  • t can be set to 0.3T, 0.5T or 0.8T.
  • the end portion of the second connecting pipe 40 located in the connecting sleeve 20 is in contact with the first end of the first connecting pipe 10
  • the end portion of the second connecting pipe located in the connecting sleeve 20 is in contact with the first connecting pipe 10 .
  • the outer wall of the first end of the connecting sleeve 20 and the inner wall of the middle part of the connecting sleeve 20 cooperate with each other to close the accommodating cavity 30 .
  • the receiving chamber 30 is closed by connecting the first connecting pipe 10, the connecting sleeve 20 and the second connecting pipe to each other, which can prevent welding spatter, welding slag or excess solder from overflowing from the receiving chamber 30, thereby avoiding Prevent welding spatter, welding slag or excess solder from flowing into the control valve, and ensure the stability of the control valve during operation.
  • the connecting sleeve 20 includes a first segment 21, a second segment 22 and a third segment 23 connected to each other, the first segment 21 of the connecting sleeve 20 is connected to the first connecting pipe 10, and the third segment of the connecting sleeve 20 Section 23 is connected to the second connecting pipe, and an accommodation cavity 30 is formed between the inner wall of the second section 22 and the outer wall of the first end of the first connecting pipe 10, and the inner diameter of the second section 22 is from the first section 21 to the third section 23 direction gradually increases.
  • the above arrangement setting the connecting sleeve 20 as a variable diameter structure, can not only ensure the connection between the connecting sleeve 20 and the first connecting pipe 10 and the second connecting pipe 40, improve the stability during welding, but also facilitate the formation of the accommodating cavity 30 to accommodate weld flashes, slag, or excess solder after soldering.
  • the inner diameter of the third section 23 is D
  • the diameter of the outer wall of the first end of the first connecting pipe 10 is d
  • t (D ⁇ d)*0.5.
  • the length of the third section 23 is greater than the length of the first section 21 .
  • Such arrangement can increase the connection area between the third section 23 and the second connecting pipe, thereby facilitating the welding of the connecting sleeve 20 and the second connecting pipe, and improving the structural strength of the two after welding.
  • the length of the first section 21 is L1
  • the distance between the end surface of the first end of the connecting sleeve 20 and the end surface of the first end of the first connecting pipe 10 is L2
  • Embodiment 2 of the present application provides a connecting pipe assembly.
  • the difference from Embodiment 1 is that a limiting structure 24 is provided on the inner wall of the connecting sleeve 20, and the limiting structure 24 is connected to the first connecting pipe assembly.
  • the first end of the tube 10 has an interval in the axial direction, and the limiting structure 24 is used to limit the axial position of the second connecting tube in the connecting sleeve 20 .
  • the limiting structure 24 there can be a certain distance between the second connecting pipe and the end surface of the first connecting pipe 10, which further increases the accommodation area of the accommodation chamber 30, thereby being able to accommodate more welding spatter, welding slag or The excess solder further improves the soldering effect.
  • the multiple limiting structures 24 are annularly arranged on the inner wall of the connecting sleeve 20 .
  • the limiting structure 24 includes a protrusion, and the protrusion is annularly arranged on the inner wall of the connecting sleeve 20 .
  • Such arrangement can increase the contact area between the protrusion and the second connecting pipe 40, can limit the axial position of the second connecting pipe 40 in the connecting sleeve 20, and facilitate the welding of the second connecting pipe 40 and the connecting sleeve 20, thereby This further ensures the stability of the connection between the second connecting pipe 40 and the connecting sleeve 20 .
  • Another embodiment of the present application provides a control valve assembly, which includes the connecting pipe assembly provided in the above embodiment.
  • the first end of the first connecting pipe 10 is arranged in the connecting sleeve 20, and there is a gap between the inner wall of the middle part of the connecting sleeve 20 and the outer wall of the first end of the first connecting pipe 10. Gap, the gap forms a housing cavity 30, which can accommodate the welding bumps, welding slag or excess solder generated when the connecting sleeve 20 and the second connecting pipe 40 are welded, and can prevent the welding bumps, welding slag or redundant solder from The outflow from the welding place can ensure the normal use of the control valve while improving the welding effect.
  • a limiting structure 24 is provided on the inner wall of the connecting sleeve 20 , so as to ensure the stability of the connection between the second connecting pipe 40 and the connecting sleeve 20 .
  • orientation words such as “front, back, up, down, left, right", “horizontal, vertical, vertical, horizontal” and “top, bottom” etc. indicate the orientation Or positional relationship is generally based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description. In the absence of a contrary statement, these orientation words do not indicate or imply the device or element referred to It must have a specific orientation or be constructed and operated in a specific orientation, so it should not be construed as limiting the protection scope of the present application; the orientation words “inner and outer” refer to the inner and outer relative to the outline of each component itself.
  • spatially relative terms may be used here, such as “on !, “over !, “on the surface of !, “above”, etc., to describe the The spatial positional relationship between one device or feature shown and other devices or features. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, devices described as “above” or “above” other devices or configurations would then be oriented “beneath” or “above” the other devices or configurations. under other devices or configurations”. Thus, the exemplary term “above” can encompass both an orientation of “above” and “beneath”. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptions used herein interpreted accordingly.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Valve Housings (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

一种连接管组件及具有其的控制阀组件，其中连接管组件包括：第一连接管(10)，具有相对设置的第一端和第二端；连接套管(20)，第一连接管(10)的第一端位于连接套管(20)内，连接套管(20)具有相对设置的第一端和第二端，连接套管(20)的第一端与第一连接管(10)的外侧壁连接，连接套管(20)的中部的内壁与第一连接管(10)的第一端的外壁之间具有间隙，间隙形成容纳腔(30)；第二连接管(40)，第二连接管(40)的一端与连接套管(20)的第二端连接，且第二连接管(40)的端部位于连接套管(20)内。这种连接管组件解决了可能因焊接不良而影响控制阀正常使用的问题。

Description

连接管组件及具有其的控制阀组件
本申请要求于2021年9月22日提交至中国国家知识产权局、申请号为202122297347.5、发明名称为“连接管组件及具有其的控制阀组件”的专利申请的优先权。
技术领域
本申请涉及控制阀技术领域，具体而言，涉及一种连接管组件及具有其的控制阀组件。
背景技术
目前，现有的控制阀包括阀体和连接管，阀体上设置有阀管，连接管通过阀管与阀体连通，在现有技术中，阀管与连接管通过焊接固定，在焊接过程中由于焊料添加过多或者进行多次插拔焊接，会在焊接区域形成焊瘤和焊渣，焊瘤和焊渣容易从阀管掉进阀体内，从而造成阀体内的通路堵塞，影响了控制阀的正常使用。
发明内容
本申请提供一种连接管组件及具有其的控制阀组件，以解决现有技术中的连接管组件焊接不良而影响控制阀正常使用的问题。
根据本申请的一个方面，提供了一种连接管组件，连接管组件包括：第一连接管，具有相对设置的第一端和第二端；连接套管，第一连接管的第一端位于连接套管内，连接套管具有相对设置的第一端和第二端，连接套管的第一端与第一连接管的外侧壁连接，连接套管的中部的内壁与第一连接管的第一端的外壁之间具有间隙，间隙形成容纳腔；第二连接管，第二连接管的一端与连接套管的第二端连接，且第二连接管的端部位于连接套管内。
通过设置上述结构，将第一连接管的第一端设置在连接套管内，并且连接套管的中部的内壁与第一连接管的第一端的外壁之间具有间隙，间隙形成容纳腔，该容纳腔可以容纳连接套管与第二连接管焊接时产生的焊瘤、焊渣或者多余的焊料，能够避免焊瘤、焊渣或者多余的焊料从焊接处流出，保证了控制阀的正常使用。
进一步地，连接套管20的壁厚为T，所述间隙在径向上的最大尺寸为t，0＜t＜T。将连接套管的壁厚设置为T，间隙在径向上的最大尺寸设置为t，0＜t＜T，在提高焊接效果的同时能够进一步保证控制阀的正常使用。
进一步地，第二连接管的位于连接套管内的端部与第一连接管的第一端相抵接，第二连接管的位于连接套管内的端部与第一连接管的第一端的外壁以及连接套管的中部的内壁相互配合以封闭容纳腔。如此设置，通过第一连接管、连接套管和第二连接管相互连接将容纳腔 封闭，能够防止焊接后的焊瘤、焊渣或者多余的焊料从容纳腔溢出，从而避免了焊瘤、焊渣或者多余的焊料流入控制阀，保证了控制阀运行时的稳定性。
进一步地，连接套管包括相互连接的第一段、第二段和第三段，连接套管的第一段与第一连接管连接，连接套管的第三段与第二连接管连接，第二段的内壁与第一连接管的第一端的外壁之间形成容纳腔，第二段的内径由第一段至第三段的方向逐渐增大。上述设置，将连接套管设置为变径结构，既能够保证连接套管与第一连接管和第二连接管的连接，提高了焊接时的稳定性，也有利于形成容纳腔以容纳焊接后的焊瘤、焊渣或者多余的焊料。
进一步地，第三段的内径为D，第一连接管的第一端的外壁的直径为d，t＝(D-d)*0.5。如此设置，结构简单，便于对容纳腔的加工。
进一步地，第一段的长度为L1，连接套管的第一端的端面与第一连接管的第一端的端面之间的距离为L2，容纳腔沿轴向的最大长度为L，L＝L2-L1且L>0。上述设置，既能够保证容纳腔的容量，同时将容纳腔沿轴向的最大长度L设置为L＝L2-L1且L>0也有利于连接套管与第一连接管的定位，从而有利于组件连接后的焊接。
进一步地，连接套管的内壁上设置有限位结构，限位结构与第一连接管的第一端在轴向上具有间隔，限位结构用于限制第二连接管在连接套管内的轴向位置。通过限位结构，能够使第二连接管与第一连接管的端面之间具有一定距离，如此进一步增大了容纳腔的容纳面积，从而能够容纳更多的焊瘤、焊渣或者多余的焊料，进一步提高了焊接效果。
进一步地，连接套管的内壁上有多个凸起，多个凸起形成限位结构，多个凸起环形间隔设置在连接套管的内壁上。通过上述设置，能够进一步地限制第二连接管在连接套管内的轴向位置，从而保证了第二连接管与连接套管连接的稳定性。
进一步地，限位结构包括凸起，凸起环形设置在连接套管的内壁上。如此设置，能够增加凸起与第二连接管的接触面积，能够限制第二连接管在连接套管内的轴向位置，便于第二连接管与连接套管的焊接，从而进一步保证了第二连接管与连接套管连接的稳定性。
根据本申请的另一方面，提供了一种控制阀组件，控制阀组件包括上述的连接管组件。
附图说明
构成本申请的一部分的说明书附图用来提供对本申请的进一步理解，本申请的示意性实施例及其说明用于解释本申请，并不构成对本申请的不当限定。在附图中：
图1示出了本申请提供的连接管组件的剖视图；
图2示出了本申请提供的连接管组件的尺寸示意图；
图3示出了本申请提供的控制阀组件的第一实施例的剖视图；
图4示出了本申请提供的控制阀组件的第二实施例的剖视图；
图5示出了本申请提供的控制阀组件的第二实施例的结构示意图。
其中，上述附图包括以下附图标记：
10、第一连接管；
20、连接套管；21、第一段；22、第二段；23、第三段；24、限位结构；
30、容纳腔；
40、第二连接管。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。以下对至少一个示例性实施例的描述实际上仅仅是说明性的，决不作为对本申请及其应用或使用的任何限制。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
如图1至图3所示，本申请实施例一提供了一种连接管组件，该连接管组件包括：第一连接管10、连接套管20和第二连接管40。其中，第一连接管10，具有相对设置的第一端和第二端，连接套管20，第一连接管10的第一端位于连接套管20内，连接套管20具有相对设置的第一端和第二端，连接套管20的第一端与第一连接管10的外侧壁连接，连接套管20的中部的内壁与第一连接管10的第一端的外壁之间具有间隙，间隙形成容纳腔30，第二连接管40，第二连接管40的一端与连接套管20的第二端连接，且第二连接管40的端部位于连接套管20内。在本实施例中，第一连接管与阀口连接，第二连接管与外界的其他设备连接。
通过设置上述结构，将第一连接管10的第一端设置在连接套管20内，并且连接套管20的中部的内壁与第一连接管10的第一端的外壁之间具有间隙，间隙形成容纳腔30，该容纳腔30可以容纳连接套管20与第二连接管40焊接时产生的焊瘤、焊渣或者多余的焊料，能够避免焊瘤、焊渣或者多余的焊料从焊接处流出，保证了控制阀的正常使用。
进一步地，连接套管20的壁厚为T，所述间隙在径向上的最大尺寸为t，0＜t＜T。将连接套管的壁厚设置为T，间隙在径向上的最大尺寸设置为t，0＜t＜T，在提高焊接效果的同时能够进一步保证控制阀的正常使用。
其中，当t>T时，在安装过程中容易使第二连接管40的端部伸入连接套管20的中部的内壁与第一连接管10的第一端的外壁之间的间隙内，如此会导致第一连接管10和连接套管20之间无法形成容纳腔30，从而不能够容纳焊瘤、焊渣或者多余的焊料。因此，在本申请中，将t设置在0至T之间，能够在第一连接管10和连接套管20之间形成容纳腔30，在焊接时，焊料会沿着第二连接管40和连接套管20之间的间隙流动，最终产生的焊瘤、焊渣或者多余 的焊料会容纳在容纳腔30内，从而保证了连接管组件的焊接效果。具体地，t可以设置为0.3T、0.5T或0.8T。
其中，第二连接管40的位于连接套管20内的端部与第一连接管10的第一端相抵接，第二连接管的位于连接套管20内的端部与第一连接管10的第一端的外壁以及连接套管20的中部的内壁相互配合以封闭容纳腔30。如此设置，通过第一连接管10、连接套管20和第二连接管相互连接将容纳腔30封闭，能够防止焊接后的焊瘤、焊渣或者多余的焊料从容纳腔30内溢出，从而避免了焊瘤、焊渣或者多余的焊料流入控制阀，保证了控制阀运行时的稳定性。
进一步地，连接套管20包括相互连接的第一段21、第二段22和第三段23，连接套管20的第一段21与第一连接管10连接，连接套管20的第三段23与第二连接管连接，第二段22的内壁与第一连接管10的第一端的外壁之间形成容纳腔30，第二段22的内径由第一段21至第三段23的方向逐渐增大。上述设置，将连接套管20设置为变径结构，既能够保证连接套管20与第一连接管10和第二连接管40的连接，提高了焊接时的稳定性，也有利于形成容纳腔30以容纳焊接后的焊瘤、焊渣或者多余的焊料。
如图2所示，第三段23的内径为D，第一连接管10的第一端的外壁的直径为d，t＝(D-d)*0.5。如此设置，其结构简单，便于对容纳腔30的加工。
具体地，第三段23的长度大于第一段21的长度。如此设置，能够增大第三段23与第二连接管的连接面积，从而有利于连接套管20与第二连接管的焊接，提高了二者焊接后的结构强度。
进一步地，第一段21的长度为L1，连接套管20的第一端的端面与第一连接管10的第一端的端面之间的距离为L2，容纳腔30沿轴向的最大长度为L，L＝L2-L1且L>0。上述设置，既能够保证容纳腔30的容量，同时将容纳腔30沿轴向的最大长度L设置为L＝L2-L1且L>0也有利于连接套管20与第一连接管10的定位，从而有利于组件连接后的焊接。
图4和图5所示，本申请实施例二提供了一种连接管组件，与实施例一的区别在于：连接套管20的内壁上设置有限位结构24，限位结构24与第一连接管10的第一端在轴向上具有间隔，限位结构24用于限制第二连接管在连接套管20内的轴向位置。通过限位结构24，能够使第二连接管与第一连接管10的端面之间具有一定距离，如此进一步增大了容纳腔30的容纳面积，从而能够容纳更多的焊瘤、焊渣或者多余的焊料，进一步提高了焊接效果。
进一步地，连接套管20的内壁上有多个限位结构24，多个限位结构24环形设置在连接套管20的内壁上。通过上述设置，能够进一步地限制第二连接管在连接套管20内的轴向位置，从而保证了第二连接管与连接套管20连接的稳定性。
进一步地，限位结构24包括凸起，凸起环形设置在连接套管20的内壁上。如此设置，能够增加凸起与第二连接管40的接触面积，能够限制第二连接管40在连接套管20内的轴向位置，便于第二连接管40与连接套管20的焊接，从而进一步保证了第二连接管40与连接套管20连接的稳定性。
本申请另一实施例提供了一种控制阀组件，该控制阀组件包括上述实施例提供的连接管组件。
通过本申请提供的技术方案，将第一连接管10的第一端设置在连接套管20内，并且连接套管20的中部的内壁与第一连接管10的第一端的外壁之间具有间隙，间隙形成容纳腔30，该容纳腔30可以容纳连接套管20与第二连接管40焊接时产生的焊瘤、焊渣或者多余的焊料，能够避免焊瘤、焊渣或者多余的焊料从焊接处流出，在提高焊接效果的同时能够保证控制阀的正常使用。同时，在连接套管20的内壁上设置有限位结构24，如此保证了第二连接管40与连接套管20连接的稳定性。
需要注意的是，这里所使用的术语仅是为了描述具体实施方式，而非意图限制根据本申请的示例性实施方式。如在这里所使用的，除非上下文另外明确指出，否则单数形式也意图包括复数形式，此外，还应当理解的是，当在本说明书中使用术语“包含”和/或“包括”时，其指明存在特征、步骤、操作、器件、组件和/或它们的组合。
除非另外具体说明，否则在这些实施例中阐述的部件和步骤的相对布置、数字表达式和数值不限制本申请的范围。同时，应当明白，为了便于描述，附图中所示出的各个部分的尺寸并不是按照实际的比例关系绘制的。对于相关领域普通技术人员已知的技术、方法和设备可能不作详细讨论，但在适当情况下，所述技术、方法和设备应当被视为授权说明书的一部分。在这里示出和讨论的所有示例中，任何具体值应被解释为仅仅是示例性的，而不是作为限制。因此，示例性实施例的其它示例可以具有不同的值。应注意到：相似的标号和字母在下面的附图中表示类似项，因此，一旦某一项在一个附图中被定义，则在随后的附图中不需要对其进行进一步讨论。
在本申请的描述中，需要理解的是，方位词如“前、后、上、下、左、右”、“横向、竖向、垂直、水平”和“顶、底”等所指示的方位或位置关系通常是基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，在未作相反说明的情况下，这些方位词并不指示和暗示所指的装置或元件必须具有特定的方位或者以特定的方位构造和操作，因此不能理解为对本申请保护范围的限制；方位词“内、外”是指相对于各部件本身的轮廓的内外。
为了便于描述，在这里可以使用空间相对术语，如“在……之上”、“在……上方”、“在……上表面”、“上面的”等，用来描述如在图中所示的一个器件或特征与其他器件或特征的空间位置关系。应当理解的是，空间相对术语旨在包含除了器件在图中所描述的方位之外的在使用或操作中的不同方位。例如，如果附图中的器件被倒置，则描述为“在其他器件或构造上方”或“在其他器件或构造之上”的器件之后将被定位为“在其他器件或构造下方”或“在其他器件或构造之下”。因而，示例性术语“在……上方”可以包括“在……上方”和“在……下方”两种方位。该器件也可以其他不同方式定位(旋转90度或处于其他方位)，并且对这里所使用的空间相对描述作出相应解释。
此外，需要说明的是，使用“第一”、“第二”等词语来限定零部件，仅仅是为了便于对相应零部件进行区别，如没有另行声明，上述词语并没有特殊含义，因此不能理解为对本申请保护范围的限制。
以上所述仅为本申请的优选实施例而已，并不用于限制本申请，对于本领域的技术人员来说，本申请可以有各种更改和变化。凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (10)

  1. 一种连接管组件，其特征在于，所述连接管组件包括：
    第一连接管(10)，具有相对设置的第一端和第二端；
    连接套管(20)，所述第一连接管(10)的第一端位于所述连接套管(20)内，所述连接套管(20)具有相对设置的第一端和第二端，所述连接套管(20)的第一端与所述第一连接管(10)的外侧壁连接，所述连接套管(20)的中部的内壁与所述第一连接管(10)的第一端的外壁之间具有间隙，所述间隙形成容纳腔(30)；
    第二连接管(40)，所述第二连接管(40)的一端与所述连接套管(20)的第二端连接，且所述第二连接管(40)的端部位于所述连接套管(20)内。
  2. 根据权利要求1所述的连接管组件，其特征在于，所述连接套管(20)的壁厚为T，所述间隙在径向上的最大尺寸为t，0＜t＜T。
  3. 根据权利要求1所述的连接管组件，其特征在于，所述第二连接管(40)的位于所述连接套管(20)内的端部与所述第一连接管(10)的第一端相抵接，所述第二连接管(40)的位于所述连接套管(20)内的端部与所述第一连接管(10)的第一端的外壁以及所述连接套管(20)的中部的内壁相互配合以封闭所述容纳腔(30)。
  4. 根据权利要求1所述的连接管组件，其特征在于，所述连接套管(20)包括相互连接的第一段(21)、第二段(22)和第三段(23)，所述连接套管(20)的第一段(21)与所述第一连接管(10)连接，所述连接套管(20)的第三段(23)与所述第二连接管(40)连接，所述第二段(22)的内壁与所述第一连接管(10)的第一端的外壁之间形成所述容纳腔(30)，所述第二段(22)的内径由所述第一段(21)至所述第三段(23)的方向逐渐增大。
  5. 根据权利要求4所述的连接管组件，其特征在于，所述第三段(23)的内径为D，所述第一连接管(10)的第一端的外壁的直径为d，t＝(D-d)*0.5。
  6. 根据权利要求4所述的连接管组件，其特征在于，所述第一段(21)的长度为L1，所述连接套管(20)的第一端的端面与所述第一连接管(10)的第一端的端面之间的距离为L2，所述容纳腔(30)沿轴向的最大长度为L，L＝L2-L1且L>0。
  7. 根据权利要求1所述的连接管组件，其特征在于，所述连接套管(20)的内壁上设置有限位结构(24)，所述限位结构(24)与所述第一连接管(10)的第一端在轴向上具有间隔，所述限位结构(24)用于限制所述第二连接管(40)在所述连接套管(20)内的轴向位置。
  8. 根据权利要求7所述的连接管组件，其特征在于，所述连接套管(20)的内壁上有多个凸起，多个所述凸起形成所述限位结构(24)，多个所述凸起环形间隔设置在所述连接套管(20)的内壁上。
  9. 根据权利要求7所述的连接管组件，其特征在于，所述限位结构(24)包括凸起，所述凸起环形设置在所述连接套管(20)的内壁上。
  10. 一种控制阀组件，其特征在于，所述控制阀组件包括权利要求1至9中任一项所述的连接管组件。
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