WO2020258763A1 - 连接结构及弯头组件 - Google Patents

连接结构及弯头组件 Download PDF

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Publication number
WO2020258763A1
WO2020258763A1 PCT/CN2019/125736 CN2019125736W WO2020258763A1 WO 2020258763 A1 WO2020258763 A1 WO 2020258763A1 CN 2019125736 W CN2019125736 W CN 2019125736W WO 2020258763 A1 WO2020258763 A1 WO 2020258763A1
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component
sleeve
connection structure
annular groove
retaining ring
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PCT/CN2019/125736
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English (en)
French (fr)
Inventor
王永兴
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珠海格力智能装备有限公司
珠海格力电器股份有限公司
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Publication of WO2020258763A1 publication Critical patent/WO2020258763A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C9/00—Details or accessories so far as specially adapted to milling machines or cutter

Definitions

  • This application relates to the technical field of connectors, and specifically, to a connection structure and an elbow assembly.
  • elbows for routing of milling heads mostly adopt fixed installation methods. After selecting the angle of the elbows, fasteners are used to fix the elbows. This installation method cannot adjust the direction of the routing elbows, which leads to the milling head. The angle of rotation is limited.
  • the main purpose of the present application is to provide a connecting structure and an elbow assembly to solve the problem that the orientation of the elbow cannot be adjusted in the prior art.
  • a connection structure including: a first part; a second part, the second part is provided with a first annular groove; a sleeve, at least part of the sleeve
  • the predetermined rotation axis is rotatably sleeved on the second component and is located in the first annular groove, so as to restrict the movement of the sleeve along the predetermined rotation axis through the first annular groove; wherein the first component is fixedly connected to the sleeve , So that the first part is rotatably arranged with the sleeve relative to the second part.
  • the second component is a tubular structure
  • the predetermined rotation axis is the axis of the tubular structure
  • the first component has an installation cavity, and at least part of the sleeve is installed in the installation cavity; the first component is provided with a locking hole, the locking hole communicates with the installation cavity, and a locking element is installed in the locking hole to press the locking element Tightly on the sleeve, so that the first part is fixedly connected with the sleeve.
  • At least part of the installation cavity is a cylindrical cavity, and the axis of the cylindrical cavity coincides with the predetermined rotation axis; there are multiple locking holes, and the multiple locking holes are arranged around the cylindrical cavity.
  • the second component is provided with a limiting flange, the second component includes a limiting member, the limiting flange and the limiting member are spaced apart, and a first annular groove is formed between the limiting flange and the limiting member.
  • the limiting member includes a first retaining ring; the second component is provided with a second annular groove, the first retaining ring is installed in the second annular groove, and a second retaining ring is formed between the first retaining ring and the limiting flange.
  • the limiting member further includes a second retaining ring, and at least a part of the second retaining ring is sleeved on the first retaining ring to position the first and second subsections.
  • a protrusion is provided on the first retaining ring, and the limiting member further includes a blocking member.
  • the blocking member is detachably mounted on the main body of the second component to limit the second retaining ring between the protrusion and the blocking member. between.
  • the blocking member is a circlip
  • the second component is provided with a third annular groove
  • the circlip is installed in the third annular groove.
  • connection structure further includes a sealing element, and at least a part of the sealing element is arranged between the first part and the second part.
  • the sealing element includes: a main body part, the main body part is a ring structure, the main body part is sleeved on the first part; the convex part, the convex part is a ring structure, the convex part is connected with the main body part, and the main body part is There is an annular gap between the protruding parts; the side of the protruding part away from the main part contacts and is pressed against the second part.
  • an elbow assembly is provided.
  • the elbow assembly includes an elbow and a connecting structure.
  • the connecting structure is the above-mentioned connecting structure, and the elbow is connected to the first part or the second part of the connecting structure.
  • connection structure applying the technical solution of the present application includes: a first part; a second part, the second part is provided with a first annular groove; a sleeve, at least part of the sleeve is rotatably sleeved around a predetermined axis of rotation
  • the two components are located in the first annular groove to restrict the movement of the sleeve in the direction of the predetermined axis of rotation through the first annular groove; wherein, the first component is fixedly connected with the sleeve so that the first component is with the sleeve It is rotatably arranged relative to the second part.
  • Fig. 1 shows a schematic structural diagram of an embodiment of a connection structure according to the present application
  • Figure 2 shows a schematic structural diagram of a first component of an embodiment of the connection structure according to the present application
  • Fig. 3 shows a schematic structural diagram of a second component according to an embodiment of the connection structure of the present application
  • FIG. 4 shows a schematic structural view of the second component after removing the limiting member according to the embodiment of the connection structure of the present application
  • Fig. 5 shows a schematic cross-sectional structure diagram of a sealing element according to an embodiment of the connection structure of the present application.
  • this application provides a connection structure, including: a first part 1; a second part 2, the second part 2 is provided with a first annular groove 21; sleeve 3, sleeve 3 At least part of the sleeve is rotatably sleeved on the second component 2 about a predetermined rotation axis and is located in the first annular groove 21 to restrict the movement of the sleeve 3 along the predetermined rotation axis through the first annular groove 21; wherein, The first part 1 and the sleeve 3 are fixedly connected, so that the first part 1 and the sleeve 3 are rotatably arranged relative to the second part 2.
  • connection structure of the present application includes: a first part 1; a second part 2, a first annular groove 21 is provided on the second part 2; a sleeve 3, at least part of the sleeve 3 is rotatably sleeved around a predetermined rotation axis On the second part 2 and located in the first annular groove 21 to restrict the movement of the sleeve 3 in the direction of the predetermined rotation axis through the first annular groove 21; wherein the first part 1 is fixedly connected with the sleeve 3 to The first part 1 is rotatably arranged with the sleeve 3 relative to the second part 2.
  • the elbow When the elbow is connected to the first part 1 or the second part 2, the elbow can rotate with the first part 1 or the second part 2 to change the direction of the elbow, so that the milling head has a larger working range and solves This solves the problem that the angle of the elbow cannot be adjusted in the prior art.
  • At least part of the second component 2 is a tubular structure, and the predetermined rotation axis is the axis of the tubular structure.
  • the first component 1 can rotate around the tubular structure, and the inside of the tubular structure can be used for wiring and other functions.
  • the first component 1 has a mounting cavity 11, at least part of the sleeve 3 is installed in the mounting cavity 11; the first component 1 is provided with a locking hole 12, the locking hole 12 communicates with the mounting cavity 11, and the locking hole 12 is equipped with a locking piece 4 , So that the first component 1 and the sleeve 3 are fixedly connected by pressing the locking member 4 on the sleeve 3.
  • the first component 1 can be conveniently installed and disassembled, which improves the efficiency of assembling and disassembling the connecting structure.
  • the mounting cavity 11 is a cylindrical cavity, and the axis of the cylindrical cavity coincides with the predetermined rotation axis; there are multiple locking holes 12, and the multiple locking holes 12 are arranged around the cylindrical cavity.
  • the second component 2 is provided with a limiting flange 22, the second component 2 includes a limiting member 23, the limiting flange 22 and the limiting member 23 are spaced apart, the limiting flange 22 and the limiting member 23 A first annular groove 21 is formed between.
  • the limiting member 23 includes a first retaining ring 231; the second member 2 is provided with a second annular groove 24, the first retaining ring 231 is installed in the second annular groove 24, and the first retaining ring 231 is connected to the retaining ring 231.
  • a first annular groove 21 is formed between the positioning flanges 22; wherein the first retaining ring 231 includes a first part and a second part, and the first part and the second part are both semi-circular ring structures. In this way, after the sleeve 3 is installed, the first retaining ring 231 is installed in the second annular groove 24 to limit the sleeve 3 in the first annular groove 21 to complete the installation of the sleeve 3.
  • the limiting member 23 further includes a second baffle ring 232, and at least part of the second baffle ring 232 is sleeved On the first retaining ring 231, to position the first subsection and the second subsection.
  • a protrusion is provided on the first retaining ring 231, and the limiting member 23 further includes a blocking member 233.
  • the blocking member 233 is detachably mounted on the main body of the second component 2 to limit the second retaining ring 232. Between the protrusion and the blocking member 233.
  • the blocking member 233 is a circlip
  • the second component 2 is provided with a third annular groove 25
  • the circlip is installed in the third annular groove 25.
  • connection structure further includes a sealing element 5, at least part of the sealing element 5 is arranged between the first part 1 and the second part 2.
  • the seal 5 includes: a main body portion 51, the main body portion 51 is a ring structure, the main body portion 51 is sleeved on the first component 1; a convex portion 52, the convex portion 52 is a ring structure, and the convex portion 52 Connected to the main body portion 51, there is an annular gap 53 between the main body portion 51 and the raised portion 52; the side of the raised portion 52 away from the main body portion 51 is in contact with the second component 2 and pressed.
  • the annular gap 53 can ensure a good deformability between the convex portion 52 and the main body portion 51, so that the convex portion 52 can effectively compress the second component 2 and improve the sealing effect of the first component 1 and the second component 2. .
  • the first part 1 and/or the second part 2 is provided with a connecting flange, and the connecting flange is provided with a connecting hole, so that the first part 1 and/or the second part 2 can be connected through the connecting piece through the connecting hole. Connect with external objects.
  • an elbow assembly is provided.
  • the elbow assembly includes an elbow 6 and a connecting structure.
  • the connecting structure is the above-mentioned connecting structure, and the elbow 6 is connected to the first part 1 or the second part of the connecting structure. 2Connect.
  • the first part 1 and the second part 2 are both hollow structures.
  • connection structure of the present application includes: a first part 1; a second part 2, a first annular groove 21 is provided on the second part 2; a sleeve 3, at least part of the sleeve 3 is rotatably sleeved around a predetermined rotation axis On the second part 2 and located in the first annular groove 21 to restrict the movement of the sleeve 3 in the direction of the predetermined rotation axis through the first annular groove 21; wherein the first part 1 is fixedly connected with the sleeve 3 to The first part 1 is rotatably arranged with the sleeve 3 relative to the second part 2.
  • the elbow When the elbow is connected to the first part 1 or the second part 2, the elbow can rotate with the first part 1 or the second part 2 to change the direction of the elbow, so that the milling head has a larger working range and solves This solves the problem that the angle of the elbow cannot be adjusted in the prior art.
  • spatially relative terms such as “above”, “above”, “above”, “above”, etc. can be used here to describe as shown in the figure. Shows the spatial positional relationship between one device or feature and other devices or features. It should be understood that the spatially relative terms are intended to encompass different orientations in use or operation other than the orientation of the device described in the figure. For example, if the device in the figure is inverted, then the device described as “above the other device or structure” or “above the other device or structure” will then be positioned as “below the other device or structure” or “on Under other devices or structures”. Thus, the exemplary term “above” may include both orientations “above” and "below”. The device can also be positioned in other different ways (rotated by 90 degrees or in other orientations), and the relative description of the space used here is explained accordingly.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Joints Allowing Movement (AREA)

Abstract

一种连接结构及弯头组件，连接结构包括：第一部件（1）；第二部件（2），第二部件（2）上设有第一环形凹槽（21）；套筒（3），套筒（3）的至少部分绕预定旋转轴线可转动地套设在第二部件（2）上并位于第一环形凹槽内（21），以通过第一环形凹槽（21）限制套筒（3）沿预定旋转轴线方向的移动；其中，第一部件（1）与套筒（3）固定连接，以使第一部件（1）随套筒（3）一起相对于第二部件（2）可转动地设置。连接结构解决了现有技术中的弯头的朝向无法调节的问题。

Description

连接结构及弯头组件
本申请要求于2019年06月24日提交至中国国家知识产权局、申请号为201910550745.8，发明名称为“连接结构及弯头组件”的专利申请的优先权。
技术领域
本申请涉及连接件的技术领域，具体而言，涉及一种连接结构及弯头组件。
背景技术
目前，铣头走线用弯头多采用固定式的安装方式，选定弯头角度后，采用紧固件将弯头固定，这种安装方式无法调节走线弯头的朝向，进而导致铣头的旋转角度受限。
申请内容
本申请的主要目的在于提供一种连接结构及弯头组件，以解决现有技术中的弯头的朝向无法调节的问题。
为了实现上述目的，根据本申请的一个方面，提供了一种连接结构，包括：第一部件；第二部件，第二部件上设有第一环形凹槽；套筒，套筒的至少部分绕预定旋转轴线可转动地套设在第二部件上并位于第一环形凹槽内，以通过第一环形凹槽限制套筒沿预定旋转轴线方向的移动；其中，第一部件与套筒固定连接，以使第一部件随套筒一起相对于第二部件可转动地设置。
进一步地，第二部件的至少部分为管状结构，预定旋转轴线为管状结构的轴线。
进一步地，第一部件具有安装腔，套筒的至少部分安装在安装腔内；第一部件上设有锁定孔，锁定孔与安装腔连通，锁定孔内装有锁定件，以通过使锁定件压紧在套筒上，以使第一部件与套筒固定连接。
进一步地，安装腔的至少部分为圆柱腔，圆柱腔的轴线与预定旋转轴线重合；锁定孔为多个，多个锁定孔环绕圆柱腔设置。
进一步地，第二部件上设有限位凸缘，第二部件包括限位件，限位凸缘与限位件间隔设置，限位凸缘与限位件之间形成第一环形凹槽。
进一步地，限位件包括第一挡环；第二部件上设有第二环形凹槽，第一挡环安装在第二环形凹槽内，第一挡环与限位凸缘之间形成第一环形凹槽；其中，第一挡环包括第一分部和第二分部，第一分部和第二分部均为半圆环结构。
进一步地，限位件还包括第二挡环，第二挡环的至少部分套设在第一挡环上，以对第一分部和第二分部进行定位。
进一步地，第一挡环上设有凸起，限位件还包括阻挡件，阻挡件可拆卸地安装在第二部件的主体部分上，以将第二挡环限位在凸起与阻挡件之间。
进一步地，阻挡件为卡簧，第二部件上设有第三环形凹槽，卡簧安装在第三环形凹槽内。
进一步地，连接结构还包括密封件，密封件的至少部分设置在第一部件与第二部件之间。
进一步地，密封件包括：主体部分，主体部分为环状结构，主体部分套设在第一部件上；凸起部分，凸起部分为环状结构，凸起部分与主体部分连接，主体部分与凸起部分之间具有环形间隙；凸起部分远离主体部分的一边与第二部件接触并压紧。
根据本申请的另一方面，提供了一种弯头组件，弯头组件包括弯头和连接结构，连接结构为上述的连接结构，弯头与连接结构的第一部件或第二部件连接。
应用本申请的技术方案的连接结构包括：第一部件；第二部件，第二部件上设有第一环形凹槽；套筒，套筒的至少部分绕预定旋转轴线可转动地套设在第二部件上并位于第一环形凹槽内，以通过第一环形凹槽限制套筒沿预定旋转轴线方向的移动；其中，第一部件与套筒固定连接，以使第一部件随套筒一起相对于第二部件可转动地设置。当弯头与第一部件或第二部件连接时，弯头可随第一部件或第二部件转动，以改变弯头的朝向，从而使铣头拥有更大的作业范围，解决了现有技术中的弯头角度无法调节的问题。
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示出了根据本申请的连接结构的实施例的结构示意图；
图2示出了根据本申请的连接结构的实施例的第一部件的结构示意图；
图3示出了根据本申请的连接结构的实施例的第二部件的结构示意图；
图4示出了根据本申请的连接结构的实施例的第二部件卸除限位件后的结构示意图；
图5示出了根据本申请的连接结构的实施例的密封件的截面结构示意图。
其中，上述附图包括以下附图标记：
1、第一部件；11、安装腔；12、锁定孔；2、第二部件；21、第一环形凹槽；22、限位凸缘；23、限位件；231、第一挡环；232、第二挡环；233、阻挡件；24、第二环形凹槽；25、第三环形凹槽；3、套筒；4、锁定件；5、密封件；51、主体部分；52、凸起部分；53、环形间隙；6、弯头。
具体实施方式
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本申请。
请参考图1至图5，本申请提供了一种连接结构，包括：第一部件1；第二部件2，第二部件2上设有第一环形凹槽21；套筒3，套筒3的至少部分绕预定旋转轴线可转动地套设在第二部件2上并位于第一环形凹槽21内，以通过第一环形凹槽21限制套筒3沿预定旋转轴线方向的移动；其中，第一部件1与套筒3固定连接，以使第一部件1随套筒3一起相对于第二部件2可转动地设置。
本申请的连接结构包括：第一部件1；第二部件2，第二部件2上设有第一环形凹槽21；套筒3，套筒3的至少部分绕预定旋转轴线可转动地套设在第二部件2上并位于第一环形凹槽21内，以通过第一环形凹槽21限制套筒3沿预定旋转轴线方向的移动；其中，第一部件1与套筒3固定连接，以使第一部件1随套筒3一起相对于第二部件2可转动地设置。当弯头与第一部件1或第二部件2连接时，弯头可随第一部件1或第二部件2转动，以改变弯头的朝向，从而使铣头拥有更大的作业范围，解决了现有技术中的弯头角度无法调节的问题。
在本实施例中，第二部件2的至少部分为管状结构，预定旋转轴线为管状结构的轴线。这样，第一部件1便可绕管状结构转动，管状结构内部可用来起到走线等作用。
第一部件1具有安装腔11，套筒3的至少部分安装在安装腔11内；第一部件1上设有锁定孔12，锁定孔12与安装腔11连通，锁定孔12内装有锁定件4，以通过使锁定件4压紧在套筒3上，以使第一部件1与套筒3固定连接。通过安装盒拆卸锁定件4，可方便地对第一部件1进行安装和拆卸，提高了连接结构装配和拆卸的效率。
具体地，安装腔11的至少部分为圆柱腔，圆柱腔的轴线与预定旋转轴线重合；锁定孔12为多个，多个锁定孔12环绕圆柱腔设置。
具体实施时，第二部件2上设有限位凸缘22，第二部件2包括限位件23，限位凸缘22与限位件23间隔设置，限位凸缘22与限位件23之间形成第一环形凹槽21。
具体地，限位件23包括第一挡环231；第二部件2上设有第二环形凹槽24，第一挡环231安装在第二环形凹槽24内，第一挡环231与限位凸缘22之间形成第一环形凹槽21；其中，第一挡环231包括第一分部和第二分部，第一分部和第二分部均为半圆环结构。这样，在安装套筒3之后，将第一挡环231安装在第二环形凹槽24内，便可将套筒3限位在第一环形凹槽21内，完成对套筒3的安装。
为了对第一挡环231进行固定，防止第一挡环231的第一分部与第二分部分离，限位件23还包括第二挡环232，第二挡环232的至少部分套设在第一挡环231上，以对第一分部和第二分部进行定位。
具体地，第一挡环231上设有凸起，限位件23还包括阻挡件233，阻挡件233可拆卸地安装在第二部件2的主体部分上，以将第二挡环232限位在凸起与阻挡件233之间。
在本实施例中，阻挡件233为卡簧，第二部件2上设有第三环形凹槽25，卡簧安装在第三环形凹槽25内。将第二挡环232套设在第一挡环231上后，通过将卡簧卡设在第三环形凹槽内，便可将第二挡环232定位在第一挡环231与卡簧之间，实现对第二挡环232的固定。
为了提高第一部件1与第二部件2连接处的密封效果，连接结构还包括密封件5，密封件5的至少部分设置在第一部件1与第二部件2之间。
具体地，密封件5包括：主体部分51，主体部分51为环状结构，主体部分51套设在第一部件1上；凸起部分52，凸起部分52为环状结构，凸起部分52与主体部分51连接，主体部分51与凸起部分52之间具有环形间隙53；凸起部分52远离主体部分51的一边与第二部件2接触并压紧。环形间隙53可保证凸起部分52与主体部分51之间具有良好的变形能力，以使凸起部分52有效地压紧第二部件2，提高对第一部件1和第二部件2的密封效果。
第一部件1和/或第二部件2上设有连接凸缘，连接凸缘上设有连接孔，以通过穿设在连接孔内的连接件将第一部件1和/或第二部件2与外部物体连接。
根据本申请的另一方面，提供了一种弯头组件，弯头组件包括弯头6和连接结构，连接结构为上述的连接结构，弯头6与连接结构的第一部件1或第二部件2连接。其中，第一部件1和第二部件2均为空心结构。
从以上的描述中，可以看出，本申请上述的实施例实现了如下技术效果：
本申请的连接结构包括：第一部件1；第二部件2，第二部件2上设有第一环形凹槽21；套筒3，套筒3的至少部分绕预定旋转轴线可转动地套设在第二部件2上并位于第一环形凹槽21内，以通过第一环形凹槽21限制套筒3沿预定旋转轴线方向的移动；其中，第一部件1与套筒3固定连接，以使第一部件1随套筒3一起相对于第二部件2可转动地设置。当弯头与第一部件1或第二部件2连接时，弯头可随第一部件1或第二部件2转动，以改变弯头的朝向，从而使铣头拥有更大的作业范围，解决了现有技术中的弯头角度无法调节的问题。
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。
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。
需要说明的是，本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便这里描述的本申请的实施方式例如能够以除了在这里图示或描述的那些以外的顺序实施。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。
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 (12)

  1. 一种连接结构，其特征在于，包括：
    第一部件(1)；
    第二部件(2)，所述第二部件(2)上设有第一环形凹槽(21)；
    套筒(3)，所述套筒(3)的至少部分绕预定旋转轴线可转动地套设在所述第二部件(2)上并位于所述第一环形凹槽(21)内，以通过所述第一环形凹槽(21)限制所述套筒(3)沿所述预定旋转轴线方向的移动；
    其中，所述第一部件(1)与所述套筒(3)固定连接，以使所述第一部件(1)随所述套筒(3)一起相对于所述第二部件(2)可转动地设置。
  2. 根据权利要求1所述的连接结构，其特征在于，所述第二部件(2)的至少部分为管状结构，所述预定旋转轴线为所述管状结构的轴线。
  3. 根据权利要求1所述的连接结构，其特征在于，所述第一部件(1)具有安装腔(11)，所述套筒(3)的至少部分安装在所述安装腔(11)内；所述第一部件(1)上设有锁定孔(12)，所述锁定孔(12)与所述安装腔(11)连通，所述锁定孔(12)内装有锁定件(4)，以通过使所述锁定件(4)压紧在所述套筒(3)上，以使所述第一部件(1)与所述套筒(3)固定连接。
  4. 根据权利要求3所述的连接结构，其特征在于，所述安装腔(11)的至少部分为圆柱腔，所述圆柱腔的轴线与所述预定旋转轴线重合；所述锁定孔(12)为多个，多个所述锁定孔(12)环绕所述圆柱腔设置。
  5. 根据权利要求1至4中任一项所述的连接结构，其特征在于，所述第二部件(2)上设有限位凸缘(22)，所述第二部件(2)包括限位件(23)，所述限位凸缘(22)与所述限位件(23)间隔设置，所述限位凸缘(22)与所述限位件(23)之间形成所述第一环形凹槽(21)。
  6. 根据权利要求5所述的连接结构，其特征在于，所述限位件(23)包括第一挡环(231)；所述第二部件(2)上设有第二环形凹槽(24)，所述第一挡环(231)安装在所述第二环形凹槽(24)内，所述第一挡环(231)与所述限位凸缘(22)之间形成所述第一环形凹槽(21)；其中，所述第一挡环(231)包括第一分部和第二分部，所述第一分部和所述第二分部均为半圆环结构。
  7. 根据权利要求6所述的连接结构，其特征在于，所述限位件(23)还包括第二挡环(232)，所述第二挡环(232)的至少部分套设在所述第一挡环(231)上，以对所述第一分部和所述第二分部进行定位。
  8. 根据权利要求7所述的连接结构，其特征在于，所述第一挡环(231)上设有凸起，所述限位件(23)还包括阻挡件(233)，所述阻挡件(233)可拆卸地安装在所述第二部件(2)的主体部分上，以将所述第二挡环(232)限位在所述凸起与所述阻挡件(233)之间。
  9. 根据权利要求8所述的连接结构，其特征在于，所述阻挡件(233)为卡簧，所述第二部件(2)上设有第三环形凹槽(25)，所述卡簧安装在所述第三环形凹槽(25)内。
  10. 根据权利要求1至4中任一项所述的连接结构，其特征在于，所述连接结构还包括密封件(5)，所述密封件(5)的至少部分设置在所述第一部件(1)与所述第二部件(2)之间。
  11. 根据权利要求10所述的连接结构，其特征在于，所述密封件(5)包括：
    主体部分(51)，所述主体部分(51)为环状结构，所述主体部分(51)套设在所述第一部件(1)上；
    凸起部分(52)，所述凸起部分(52)为环状结构，所述凸起部分(52)与所述主体部分(51)连接，所述主体部分(51)与所述凸起部分(52)之间具有环形间隙(53)；所述凸起部分(52)远离所述主体部分(51)的一边与所述第二部件(2)接触并压紧。
  12. 一种弯头组件，其特征在于，所述弯头组件包括弯头(6)和连接结构，所述连接结构为权利要求1至11中任一项所述的连接结构，所述弯头(6)与所述连接结构的第一部件(1)或第二部件(2)连接。
PCT/CN2019/125736 2019-06-24 2019-12-16 连接结构及弯头组件 WO2020258763A1 (zh)

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