WO2023035847A1 - 防拆连接件 - Google Patents

防拆连接件 Download PDF

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Publication number
WO2023035847A1
WO2023035847A1 PCT/CN2022/111746 CN2022111746W WO2023035847A1 WO 2023035847 A1 WO2023035847 A1 WO 2023035847A1 CN 2022111746 W CN2022111746 W CN 2022111746W WO 2023035847 A1 WO2023035847 A1 WO 2023035847A1
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WO
WIPO (PCT)
Prior art keywords
force
end surface
plane
edge
unloading
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Application number
PCT/CN2022/111746
Other languages
English (en)
French (fr)
Inventor
楼峰
陈狄永
周峰
王彬
Original Assignee
浙江盾安人工环境股份有限公司
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.)
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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 KR1020247005872A priority Critical patent/KR20240037311A/ko
Publication of WO2023035847A1 publication Critical patent/WO2023035847A1/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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B37/00—Nuts or like thread-engaging members
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
    • 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
    • F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
    • 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
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • F16L19/005—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts comprising locking means for the threaded 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
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements

Definitions

  • the present disclosure relates to the technical field of mechanical design, in particular to an anti-disassembly connector.
  • pipe joints and union nuts are used to connect the evaporator and connecting pipes inside the room of split-type air conditioners with common working fluids, while detachable bodies are not allowed inside the room of air conditioners using flammable refrigerants.
  • the purpose of the present disclosure is to provide an anti-disassembly connector, which can realize the functions of forward installation and reverse anti-disassembly.
  • an anti-dismantle connector which includes a body, the body includes a first end surface and a second end surface oppositely arranged, and a protrusion is provided on the first end surface part, the protruding part includes:
  • the first protrusion includes a first force-receiving surface and a first force-releasing surface; the first force-receiving surface is perpendicular to the first end surface, and the first force-releasing surface is arranged at an angle to the first end surface;
  • the projection of the first unloading surface along the first direction intersects with the outer wall of the body to form a second edge; the projection of the first unloading surface along the first direction is an arc, and the first direction is perpendicular to the the first end face;
  • the second protrusion includes a second force-receiving surface and a second force-relieving surface; the second force-receiving surface is perpendicular to the first end surface; the second force-releasing surface is arranged at an angle to the first end surface, The projection of the second unloading surface along the first direction is an arc;
  • a third plane is formed between the first force-relieving surface and the second force-receiving surface, the third plane is located on the first end surface, and the outer wall of the third plane is a third edge; The length of the second edge is greater than the length of the third edge.
  • the first protrusion further includes a first plane, the first plane connects the first force-receiving surface and the first force-releasing surface, and the first The plane is parallel to the first end surface, and the projection of the first plane along the first direction intersects with the outer wall of the body to form a first edge;
  • the second protrusion also includes a second plane, and the second plane connects the first Two force bearing surfaces and the second force unloading surface, the second plane is parallel to the first end surface; the length of the second edge is greater than the length between the length of the first edge and the length of the third edge and.
  • the intersection of the first force-bearing surface and the first end surface is a first straight line; the intersection of the second force-bearing surface and the first end surface is a second straight line , the intersection of the second unloading surface and the first end surface is a third straight line;
  • An included angle between an extension of the first straight line and an extension of the third straight line is smaller than an angle between an extension of the second straight line and an extension of the third straight line.
  • the included angle between the second straight line and the third straight line is 130°-150°.
  • the first protrusion and the second protrusion are center-symmetrical along the first end surface.
  • the included angle between the first unloading surface and the first end surface is 20°-50°; the included angle between the second unloading surface and the first end surface The angle is 20° ⁇ 50°.
  • the body is provided with a through hole, and the inner wall of the through hole is provided with threads; the outer wall of the body is also provided with a nut.
  • the distance between the first protrusion and the second protrusion is not smaller than the diameter of the through hole.
  • chamfers are provided on the outside of the first force-releasing surface and the second force-releasing surface, and chamfers are provided on the inside of the first force-receiving surface and the second force-receiving surface. There are chamfers.
  • the anti-dismantlement connecting piece is an integral structure.
  • the adjustable wrench (dead wrench) is used to respectively clamp the first force-bearing edge where the first force-bearing surface intersects with the outer wall of the body in the first direction and the second edge where the second force-bearing surface intersects with the outer wall of the body in the first direction
  • the edge is stressed, the nut can be installed in a positive direction.
  • the projections of the first force-relieving surface and the second force-relieving surface in the first direction are arc surfaces, and the first force-releasing surface and the second force-relieving surface are arranged at an angle to the first end surface.
  • the adjustable wrench when the adjustable wrench reversely removes the nut, it cannot clamp the first force relief surface and the second force relief surface, so that the nut realizes the anti-disassembly function in reverse.
  • the length of the second edge is greater than the sum of the length of the first edge and the length of the third edge. Therefore, this can ensure that the first force-relieving surface and the second force-relieving surface have sufficient length, so as to avoid the situation that the adjustable wrench directly clamps both sides of the first force-receiving surface and the second force-receiving surface, thereby affecting the anti-tightness of the nut. Demolition effect.
  • Fig. 1 is a schematic structural view of a tamper-proof connector according to an embodiment of the present disclosure.
  • Fig. 2 is a schematic structural diagram of another tamper-proof connector according to an embodiment of the present disclosure.
  • the body 2. The first force-bearing surface; 3. The first plane; 4. The first force-releasing surface; 5. The second force-bearing surface; 6. The second plane; 7. The second force-releasing surface; 8. Through hole; 9, the first end surface; 10, the second end surface; 11, the third plane.
  • Example embodiments will now be described more fully with reference to the accompanying drawings.
  • Example embodiments may, however, be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art.
  • the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided in order to give a thorough understanding of the embodiments of the present disclosure.
  • a structure When a structure is "on" another structure, it may mean that a structure is integrally formed on another structure, or that a structure is “directly” placed on another structure, or that a structure is “indirectly” placed on another structure through another structure. other structures.
  • pipe joints and union nuts are used to connect the evaporator and the connecting pipe inside the room of the split-type air conditioner with common working fluid.
  • detachable body is not allowed on the indoor side of the air conditioner using flammable refrigerants.
  • the indoor side of the split unit is directly welded with the evaporator and the connecting pipe, and the outdoor side is quickly connected to the main body.
  • it needs to be matched by the pipe joint and the union nut.
  • the installation process is complicated, the cost is high, and the sealing is poor.
  • the pipe joint and the union nut are easy to loosen, which will lead to refrigerant leakage. Meet assembly standards and safety requirements.
  • the tamper-resistant connector may include a body 1 , and the body 1 may include a first end surface 9 and a second end surface 10 disposed opposite to each other.
  • a protruding portion is provided on the first end surface 9, and the protruding portion may include a first protruding portion and a second protruding portion.
  • the first protrusion may include a first force-receiving surface 2 and a first force-releasing surface 4 .
  • the first force-receiving surface 2 is perpendicular to the first end surface 9
  • the first force-relieving surface 4 is arranged at an angle to the first end surface 9 .
  • the projection of the first force relief surface 4 along the first direction intersects with the outer wall of the main body 1 to form a second edge.
  • the projection of the first unloading surface 4 along the first direction is an arc, and the first direction is perpendicular to the first end surface 9 .
  • the second protrusion may include a second force-receiving surface 5 and a second force-releasing surface 7 .
  • the second force-bearing surface 5 is perpendicular to the first end surface 9 .
  • the second unloading surface 7 is arranged at an angle with the first end surface 9, and the projection of the second unloading surface 7 along the first direction is an arc.
  • a third plane 11 may be formed between the first force-relieving surface 4 and the second force-receiving surface 5 .
  • the third plane 11 is located on the first end surface 9, and the outer wall of the third plane 11 is the third edge.
  • the length of the second edge is greater than the length of the third edge.
  • the nut When an adjustable wrench (dead wrench) is used to respectively clamp the first force-bearing edge where the first force-bearing surface 2 intersects with the outer wall of the body in the first direction and the second force-bearing surface 5 intersects the outer wall of the body in the first direction
  • the nut can be installed in a positive direction.
  • the projections of the first unloading surface 4 and the second unloading surface 7 in the first direction are arc surfaces, and the first unloading surface 4 and the second unloading surface 7 are arranged at an angle to the first end surface 9 .
  • the adjustable wrench when the adjustable wrench reversely removes the nut, it cannot clamp the first force relief surface 4 and the second force relief surface 7, so that the nut realizes the anti-disassembly function in reverse.
  • the length of the second edge is greater than the sum of the length of the first edge and the length of the third edge. Therefore, this can ensure that the first unloading surface 4 and the second unloading surface 7 have sufficient lengths, so as to avoid the situation that the adjustable wrench directly clamps both sides of the unloading surface and the force-bearing surface, thereby affecting the anti-disassembly effect of the nut .
  • the first plane 3 and the second plane 6 may be completely the same, that is, the size and shape of the first plane 3 and the second plane 6 are the same.
  • the first plane 3 and the second plane 6 pass through the axial direction of the body 1 , that is, the first plane 3 and the second plane 6 are radially distributed along the body 1 .
  • the protrusion may not include the first plane 3 and the second plane 6 .
  • the first protruding portion may include a first force-receiving surface 2 and a first force-releasing surface 4 ;
  • the second protruding portion may include a second force-receiving surface 5 and a second force-releasing surface 7 .
  • the first force bearing surface 2 and the second force bearing surface 5 are arranged in parallel and perpendicular to the first end surface 9 . Projections of the first unloading surface 4 and the second unloading surface 7 in the first direction are circular arcs. In this way, the structure of the anti-disassembly connecting piece can be simplified, but it can still have the function of anti-disassembly.
  • chamfers are provided on the outside of the first force-relieving surface 4 and the second force-relieving surface 7 , and chamfers are also provided on the inside of the first force-receiving surface 2 and the second force-receiving surface 5 .
  • the first protruding portion further includes a first plane, and the first plane connects the first force-receiving surface and the first force-releasing surface.
  • the first plane is parallel to the first end surface, and the projection of the first plane along the first direction intersects with the outer wall of the body to form a first edge.
  • the second protruding portion further includes a second plane, the second plane connects the second force-receiving surface and the second force-releasing surface, and the second plane is parallel to the first end surface.
  • the length of the second edge is greater than the sum of the length of the first edge and the length of the third edge.
  • the intersection of the first force-bearing surface 2 and the first end surface 9 is a first straight line.
  • the intersection of the second force receiving surface 5 and the first end surface 9 forms a second straight line, and the intersection of the second force releasing surface 7 and the first end surface 9 forms a third straight line.
  • the angle between the extension of the first straight line and the extension of the third straight line is smaller than the angle between the extension of the second straight line and the extension of the third straight line.
  • the angle between the extension of the second straight line and the extension of the third straight line may be 130°-160°.
  • it may be 135°, 143°, 150°, or the like.
  • the present disclosure makes no special limitation on the included angle here, so as to satisfy the function of the anti-dismantle connector.
  • the included angle between the first unloading surface 4 or the second unloading surface 7 and the first end surface 9 may be 20°-50°.
  • it can be 30°, 35°, 40°, etc.
  • the angle between the first unloading surface 4 or the second unloading surface 7 and the first end surface 9 is 30°.
  • the angle formed by the plane of the first unloading surface 4 and the first end surface 9 is 30°
  • the angle formed by the plane of the second unloading surface 7 and the first end surface 9 is 30°.
  • the adjustable wrench can more easily rise along the first unloading surface 4 and the second unloading surface 7 , so that the adjustable wrench cannot clamp the first unloading surface 4 and the second unloading surface 7 .
  • the included angles between the first unloading surface 4 or the second unloading surface 7 and the first end surface 9 may be the same or different.
  • the included angle between the first unloading surface 4 and the first end surface 9 may be 30°
  • the included angle between the second unloading surface 7 and the first end surface 9 may be 40°.
  • the included angle between the first unloading surface 4 or the second unloading surface 7 and the first end surface 9 is not greater than 60°.
  • a through hole 8 is provided inside the body 1, and one end of the through hole 8 is used for connecting a pipe, and the inner wall of the other end of the through hole 8 is provided with a thread, and the thread is used for connecting a pipe joint .
  • the outer wall of the body 1 can also be provided with threads.
  • the distance between the first protrusion and the second protrusion is not less than the diameter of the through hole 8 .
  • the tamper-resistant connector cannot be installed on the pipe joint or the diameter of the connecting pipe is smaller than that of the pipe joint, resulting in throttling. If the distance between the first protruding portion and the second protruding portion is greater than or equal to the diameter of the through hole 8 , the tamper-proof connector can be installed on the pipe joint without affecting the pipeline flow.
  • a through hole 8 is provided inside the body 1, one end of the through hole 8 is used for connecting a pipe, and the other end of the through hole 8 is on the outer wall of the body 1 There is a thread, which is used to connect the nut.
  • the distance between the first protrusion and the second protrusion is not less than the diameter of the through hole 8 . If the distance between the first protruding portion and the second protruding portion is smaller than the diameter of the through hole 8 , the connection nozzle will be smaller than the nut connection nozzle, thereby causing throttling. If the distance between the first protruding part and the second protruding part is greater than or equal to the diameter of the through hole 8, the tamper-resistant joint can be installed on the nut smoothly without affecting the pipeline flow.
  • the first protruding portion and the second protruding portion are symmetrical about the center along the first end face 9 . That is, the first force-receiving surface 2 , the first force-relieving surface 4 , the second force-receiving surface 5 , and the second force-releasing surface 7 are alternately distributed along the circumferential direction of the first end surface 9 . Further, the first protruding portion and the second protruding portion are distributed symmetrically at 180°. In this way, when the adjustable wrench is installed in the forward direction, it can better hold the first force-bearing edge and the second force-bearing edge respectively, so that the force is more uniform, so that the adjustable wrench can tighten the nut more easily .
  • the adjustable wrench clamps the first unloading surface 4 and the second unloading surface 7 respectively, its symmetrical distribution can make the adjustable wrench rise more smoothly along the first unloading surface 4 and the second unloading surface 7, making the active
  • the wrench cannot loosen the nut, which ensures that the nut cannot be disassembled, thereby effectively preventing the leakage of the refrigerant.
  • the first force-bearing surface 2 and the second force-bearing surface 5 are arranged in parallel, and by making the first force-bearing surface 2 and the second force-bearing surface 5 arranged in parallel, the adjustable wrench can clamp the first force-bearing surface 2 When combined with the second force receiving surface 5, the first force receiving surface 2 and the second force receiving surface 5 can more effectively receive the external force from the adjustable wrench, thereby improving the efficiency of nut fastening.
  • the tamper-resistant connection part is an integral structure.
  • the anti-disassembly connecting piece is stamped and formed in one piece.
  • the protruding portion and the body 1 can also be fixed by welding, clamping or integral casting. In this way, the overall structure of the tamper-proof connector can be made more stable and compact. At the same time, it can also improve the sealing performance when the anti-dismantlement connecting piece cooperates with the pipe joint.

Abstract

一种防拆连接件，属于机械设计技术领域。防拆连接件包括本体（1），本体（1）可以包括相对设置的第一端面（9）和第二端面（10）；其中，第一端面（9）设置有突出部，突出部包括第一突出部和第二突出部；第一突出部包括第一受力面（2）和第一卸力面（4），第一卸力面（4）在第一方向上的投影为圆弧且与第一端面（9）呈角度设置；第二突出部包括第二受力面（5）和第二卸力面（7），第二卸力面（7）在第一方向上的投影为圆弧且与第一端面（9）呈角度设置；这样可以使得活络扳手在反向拆除螺母时，无法夹持第一卸力面（4）和第二卸力面（7），从而可以使得防拆连接件能够实现防拆。

Description

防拆连接件
相关申请的交叉引用
本申请要求于2021年09月07日递交的、名称为《防拆连接件》的中国专利申请第202122152076.4号的优先权，在此全文引用上述中国专利申请公开的内容以作为本申请的一部分。
技术领域
本公开涉及机械设计技术领域，具体涉及一种防拆连接件。
背景技术
目前，普通工质的分体式空调器室内侧都使用管接头和接管螺母的方式连接蒸发器和连接管，而使用可燃性制冷剂的空调器室内侧不允许使用可拆卸本体。
在现有设计中，分体机在开阀时室内侧直接采用蒸发器和连接管焊接、室外侧采用快速连接本体的方案，虽然可以满足标准和安全性要求，但是其需要通过管接头和接管螺母配合，安装过程复杂，成本高，且密封性差，管接头与接管螺母之间易松脱，从而会导致冷媒泄漏，进而不能满足装配标准和安全性的要求。
所述背景技术部分公开的上述信息仅用于加强对本公开的背景的理解，因此它可以包括不构成对本领域普通技术人员已知的现有技术的信息。
发明内容
本公开的目的在于提供一种防拆连接件，可以实现正向安装和反向防拆的功能。
为实现上述发明目的，本公开采用如下技术方案：
根据本公开的第一个方面，提供一种防拆连接件，所述防拆连接件包括本体，所述本体包括相对设置的第一端面和第二端面，所述第一端面上设置有突出部，所述突出部包括：
第一突出部，包括第一受力面和第一卸力面；所述第一受力面垂直 于所述第一端面，所述第一卸力面与所述第一端面呈角度设置；所述第一卸力面沿第一方向的投影与所述本体的外壁相交为第二边缘；所述第一卸力面沿第一方向的投影为圆弧，所述第一方向垂直于所述第一端面；
第二突出部，包括第二受力面和第二卸力面；所述第二受力面垂直于所述第一端面；所述第二卸力面与所述第一端面呈角度设置，所述第二卸力面沿所述第一方向的投影为圆弧；
在所述第一卸力面和所述第二受力面之间形成有第三平面，所述第三平面位于所述第一端面，所述第三平面的外壁为第三边缘；所述第二边缘的长度大于所述第三边缘的长度。
在本公开的一种示例性实施例中，所述第一突出部还包括第一平面，所述第一平面连接所述第一受力面和所述第一卸力面，所述第一平面平行于所述第一端面，所述第一平面沿第一方向的投影与本体外壁相交为第一边缘；所述第二突出部还包括第二平面，所述第二平面连接所述第二受力面和所述第二卸力面，所述第二平面平行于所述第一端面；所述第二边缘的长度大于所述第一边缘的长度与所述第三边缘的长度之和。
在本公开的一种示例性实施例中，所述第一受力面与所述第一端面相交为第一直线；所述第二受力面与所述第一端面相交为第二直线，所述第二卸力面与所述第一端面相交为第三直线；
所述第一直线的延长线与所述第三直线的延长线的夹角小于所述第二直线的延长线与第三直线的延长线的夹角。
在本公开的一种示例性实施例中，所述第二直线与所述第三直线的夹角为130°～150°。
在本公开的一种示例性实施例中，所述第一突出部和所述第二突出部沿所述第一端面为中心对称。
在本公开的一种示例性实施例中，所述第一卸力面与所述第一端面的夹角为20°～50°；所述第二卸力面与所述第一端面的夹角为20°～50°。
在本公开的一种示例性实施例中，所述本体设置有通孔，所述通孔的内壁设置有螺纹；所述本体的外壁也设置有螺母。
在本公开的一种示例性实施例中，所述第一突出部与所述第二突出 部间的距离不小于所述通孔的直径。
在本公开的一种示例性实施例中，所述第一卸力面和所述第二卸力面外侧设置有倒角，所述第一受力面和所述第二受力面内侧设置有倒角。
在本公开的一种示例性实施例中，所述防拆连接件为一体式结构。
当采用活络扳手(呆扳手)分别夹持第一受力面与本体外壁在第一方向上相交的第一受力棱边和第二受力面与本体外壁在第一方向上相交的第二受力棱边时，该螺母可以实现正向安装。此外，由于第一卸力面和第二卸力面在第一方向上的投影为圆弧面，且第一卸力面和第二卸力面与第一端面呈角度设置。这样使得活络扳手在反向拆除螺母时，无法夹持第一卸力面和第二卸力面，从而使得螺母实现反向防拆的功能。此外，由于第二边缘的长度大于第一边缘的长度与第三边缘的长度之和。因此，这样可以保证第一卸力面和第二卸力面具有足够的长度，以避免活络扳手出现直接夹持第一受力面和第二受力面两侧的情况，从而影响螺母的防拆作用。
附图说明
通过参照附图详细描述其示例实施方式，本公开的上述和其它特征及优点将变得更加明显。
图1是本公开实施方式的一种防拆连接件的结构示意图。
图2是本公开实施方式的另一种防拆连接件的结构示意图。
图中主要元件附图标记说明如下：
1、本体；2、第一受力面；3、第一平面；4、第一卸力面；5、第二受力面；6、第二平面；7、第二卸力面；8、通孔；9、第一端面；10、第二端面；11、第三平面。
具体实施方式
现在将参考附图更全面地描述示例实施例。然而，示例实施例能够以多种形式实施，且不应被理解为限于在此阐述的范例；相反，提供这些实施例使得本公开将更加全面和完整，并将示例实施例的构思全面地传达给本领域的技术人员。所描述的特征、结构或特性可以以任何合适的方式结合在一个或更多实施例中。在下面的描述中，提供许多具体细节从而给出 对本公开的实施例的充分理解。
所描述的特征、结构或特性可以以任何合适的方式结合在一个或更多实施例中。在下面的描述中，提供许多具体细节从而给出对本公开的实施例的充分理解。然而，本领域技术人员将意识到，可以实践本公开的技术方案而没有所述特定细节中的一个或更多，或者可以采用其它的方法、组元、材料等。在其它情况下，不详细示出或描述公知结构、材料或者操作以避免模糊本公开的主要技术创意。
当某结构在其它结构“上”时，有可能是指某结构一体形成于其它结构上，或指某结构“直接”设置在其它结构上，或指某结构通过另一结构“间接”设置在其它结构上。
用语“一个”、“一”、“所述”用以表示存在一个或多个要素/组成部分/等；用语“包括”和“具有”用以表示开放式的包括在内的意思并且是指除了列出的要素/组成部分/等之外还可存在另外的要素/组成部分/等。用语“第一”和“第二”等仅作为标记使用，不是对其对象的数量限制。
目前普通工质的分体式空调器室内侧都使用管接头和接管螺母的方式连接蒸发器和连接管。而使用可燃性制冷剂的空调器室内侧不允许使用可拆卸本体，现有设计中，分体机在开阀时室内侧直接采用蒸发器和连接管焊接、室外侧采用快速连接本体的方案，虽然可以满足标准和安全性要求，但是其需要通过管接头和接管螺母配合，安装过程复杂，成本高，且密封性差，管接头与接管螺母之间易松脱，从而会导致冷媒泄漏，进而不能满足装配标准和安全性的要求。
本公开实施方式中提供一种防拆连接件，参考图1，该防拆连接件可以包括本体1，本体1可以包括相对设置的第一端面9和第二端面10。其中，第一端面9上设置有突出部，突出部可以包括第一突出部和第二突出部。第一突出部可以包括第一受力面2和第一卸力面4。第一受力面2垂直于第一端面9，第一卸力面4与第一端面9呈角度设置。第一卸力面4沿第一方向的投影与本体1的外壁相交为第二边缘。第一卸力面4沿第一方向的投影为圆弧，第一方向垂直于第一端面9。第二突出部可以包括第二受力面5和第二卸力面7。第二受力面5垂直于第一端面9。第二卸力面7与第一端面9呈角度设置，第二卸力面7沿第一方向的投 影为圆弧。在第一卸力面4和第二受力面5之间可以形成有第三平面11。第三平面11位于第一端面9，第三平面11的外壁为第三边缘。第二边缘的长度大于第三边缘的长度。
当采用活络扳手(呆扳手)分别夹持第一受力面2与本体外壁在第一方向上相交的第一受力棱边和第二受力面5与本体外壁在第一方向上相交的第二受力棱边时，该螺母可以实现正向安装。此外，由于第一卸力面4和第二卸力面7在第一方向上的投影为圆弧面，且第一卸力面4和第二卸力面7与第一端面9呈角度设置。这样使得活络扳手在反向拆除螺母时，无法夹持第一卸力面4和第二卸力面7，从而使得螺母实现反向防拆的功能。此外，由于第二边缘的长度大于第一边缘的长度与第三边缘的长度之和。因此，这样可以保证第一卸力面4和第二卸力面7具有足够的长度，以避免活络扳手出现直接夹持卸力面和受力面两侧的情况，从而影响螺母的防拆作用。
下面结合附图对本公开实施方式提供的螺母的各部件进行详细说明：
在本公开的一种实施例中，第一平面3与第二平面6可以完全相同，即第一平面3与第二平面6的尺寸和形状均相同。其中，第一平面3和第二平面6穿过本体1的轴心方向，即：第一平面3和第二平面6沿本体1径向分布。
在本公开的另一种实施例中，突出部可以不包括第一平面3和第二平面6。参考图2，即：第一突出部可以包括第一受力面2和第一卸力面4；第二突出部可以包括第二受力面5和第二卸力面7。第一受力面2和第二受力面5平行设置且垂直于第一端面9。第一卸力面4和第二卸力面7在第一方向上的投影为圆弧。这样可以简化防拆连接件的结构，却依然可以具有防拆的作用。
可选的，第一卸力面4和第二卸力面7外侧设置有倒角，第一受力面2和第二受力面5内侧也设置有倒角。
可选的，第一突出部还包括第一平面，第一平面连接第一受力面和第一卸力面。第一平面平行于第一端面，第一平面沿第一方向的投影与本体外壁相交为第一边缘。第二突出部还包括第二平面，第二平面连接第二受力面和第二卸力面，第二平面平行于第一端面。第二边缘的长度 大于第一边缘的长度与第三边缘的长度之和。
在本公开的一种实施例中，第一受力面2与第一端面9相交为第一直线。第二受力面5与第一端面9相交为第二直线，第二卸力面7与第一端面9相交为第三直线。第一直线的延长线与第三直线的延长线的夹角小于第二直线的延长线与第三直线的延长线的夹角。这样可以保证螺母的第一卸力面4和第二卸力面7拥有足够的长度，以防止活络扳手在反向防拆时出现直接夹持第一卸力面4和第二卸力面7的情况，从而影响螺母反向防拆的功能。
可选的，第二直线的延长线与第三直线的延长线的夹角可以为130°～160°。例如可以为135°、143°、150°等。本公开在此对其夹角不作特别的限定，以满足防拆连接件的功能为准。
可选的，第一卸力面4或者第二卸力面7与第一端面9的夹角可以为20°～50°。例如可以为30°、35°、40°等。举例而言，当第一卸力面4或者第二卸力面7与第一端面9的夹角为30°时。换言之，第一卸力面4的所在平面与第一端面9所形成的夹角为30°，第二卸力面7的所在平面与第一端面9所形成的夹角为30°。在该角度下，活络扳手可以更容易沿第一卸力面4和第二卸力面7上升，从而使得活络扳手无法夹持第一卸力面4和第二卸力面7。这样可以进一步加强螺母的反向防拆功能。值得注意的是，第一卸力面4或第二卸力面7与第一端面9的夹角可以相同，也可以不相同。例如第一卸力面4与第一端面9的夹角可以为30°，第二卸力面7与第一端面9的夹角可以为40°。此外，第一卸力面4或第二卸力面7与第一端面9的夹角不大于60°。
可选的，防拆连接件为螺母时，本体1内部设置有通孔8，该通孔8的一端用于连接接管，通孔8另一端的内壁设置有螺纹，该螺纹用于连接管接头。本体1外壁也可以设置有螺纹。其中，第一突出部与第二突出部间的距离不小于通孔8的直径。若第一突出部与第二突出部间的距离小于通孔8的直径，则会导致防拆连接件无法安装到管接头上或连接接管直径小于管接头连接接管产生节流。若第一突出部与第二突出部间的距离大于或者等于通孔8的直径，这样就可以顺利将防拆连接件安装到管接头并且不影响管路流量。
在本公开的一种实施例中，当防拆连接件为管接头时，本体1内部设置有通孔8，该通孔8一端用于连接接管，该通孔8另一端的本体1的外壁有螺纹，该螺纹用于连接螺母。其中，第一突出部与第二突出部间的距离不小于通孔8的直径。若第一突出部与第二突出部间的距离小于通孔8的直径，则会导致连接接管小于螺母连接接管从而产生节流。若第一突出部与第二突出部间的距离大于或者等于通孔8的直径，这样就可以顺利将防拆接头安装到螺母并且不影响管路流量。
可选的，第一突出部和第二突出部沿第一端面9为中心对称。即第一受力面2，第一卸力面4、第二受力面5、第二卸力面7沿第一端面9周向交替分布。进一步地，第一突出部和第二突出部呈180°对称分布。这样可以使得活络扳手在进行正向安装时，可以更好的分别夹持第一受力棱边和第二受力棱边，使其受力更均匀，从而使得活络扳手可以更容易将螺母拧紧。当活络扳手分别夹持第一卸力面4和第二卸力面7时，其对称分布可以使得活络扳手更加顺畅的沿着第一卸力面4和第二卸力面7上升，使得活络扳手无法松动螺母，保证了螺母无法被拆卸下来，从而有效防止了冷媒的泄漏。
可选的，第一受力面2和第二受力面5平行设置，通过使得第一受力面2和第二受力面5平行布置，使得活络扳手在夹持第一受力面2和第二受力面5时，第一受力面2和第二受力面5能够更有效的接受来自活络扳手的外力，从而可以提高螺母紧固的效率。
在本公开的一种实施例中，防拆连接件为一体式结构。具体地，本实施例中，防拆连接件为一体冲压成型。突出部和本体1之间还可通过焊接、卡接或者一体浇筑的方式固定。这样可以使得防拆连接件的整体结构更加稳定和紧凑。同时，也可以提高防拆连接件与管接头配合时的密封性。
应可理解的是，本公开不将其应用限制到本说明书提出的部件的详细结构和布置方式。本公开能够具有其他实施方式，并且能够以多种方式实现并且执行。前述变形形式和修改形式落在本公开的范围内。应可理解的是，本说明书公开和限定的本公开延伸到文中和/或附图中提到或明显的两个或两个以上单独特征的所有可替代组合。所有这些不同的组合构成本公开的多个可替代方面。本说明书的实施方式说明了已知用于实现本公开的 最佳方式，并且将使本领域技术人员能够利用本公开。

Claims (10)

  1. 一种防拆连接件，包括：本体，所述本体包括相对设置的第一端面和第二端面，所述第一端面上设置有突出部，所述突出部包括：
    第一突出部，包括第一受力面和第一卸力面；所述第一受力面垂直于所述第一端面，所述第一卸力面与所述第一端面呈角度设置；所述第一卸力面沿第一方向的投影与所述本体的外壁相交为第二边缘；所述第一卸力面沿第一方向的投影为圆弧，所述第一方向垂直于所述第一端面；
    第二突出部，包括第二受力面和第二卸力面；所述第二受力面垂直于所述第一端面；所述第二卸力面与所述第一端面呈角度设置，所述第二卸力面沿所述第一方向的投影为圆弧；
    在所述第一卸力面和所述第二受力面之间形成有第三平面，所述第三平面位于所述第一端面，所述第三平面的外壁为第三边缘；所述第二边缘的长度大于所述第三边缘的长度。
  2. 根据权利要求1所述的防拆连接件，其中，所述第一突出部还包括第一平面，所述第一平面连接所述第一受力面和所述第一卸力面，所述第一平面平行于所述第一端面，所述第一平面沿第一方向的投影与本体外壁相交为第一边缘；所述第二突出部还包括第二平面，所述第二平面连接所述第二受力面和所述第二卸力面，所述第二平面平行于所述第一端面；所述第二边缘的长度大于所述第一边缘的长度与所述第三边缘的长度之和。
  3. 根据权利要求1所述的防拆连接件，其中，所述第一受力面与所述第一端面相交为第一直线；所述第二受力面与所述第一端面相交为第二直线，所述第二卸力面与所述第一端面相交为第三直线；
    所述第一直线的延长线与所述第三直线的延长线的夹角小于所述第二直线的延长线与第三直线的延长线的夹角。
  4. 根据权利要求3所述的防拆连接件，其中，所述第二直线与所述第三直线的夹角为130°～150°。
  5. 根据权利要求1所述的防拆连接件，其中，所述第一突出部和所述第二突出部沿所述第一端面为中心对称。
  6. 根据权利要求1所述的防拆连接件，其中，所述第一卸力面与所 述第一端面的夹角为20°～50°；所述第二卸力面与所述第一端面的夹角为20°～50°。
  7. 根据权利要求1所述的防拆连接件，其中，所述本体设置有通孔，所述通孔的内壁设置有螺纹；所述本体的外壁也设置有螺母。
  8. 根据权利要求7所述的防拆连接件，其中，所述第一突出部与所述第二突出部间的距离不小于所述通孔的直径。
  9. 根据权利要求1所述的防拆连接件，其中，所述第一卸力面和所述第二卸力面外侧设置有倒角，所述第一受力面和所述第二受力面内侧设置有倒角。
  10. 根据权利要求1所述的防拆连接件，其中，所述防拆连接件为一体式结构。
PCT/CN2022/111746 2021-09-07 2022-08-11 防拆连接件 WO2023035847A1 (zh)

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