WO2022083228A1 - 管连接机构以及具有其的制冷***、制冷器具 - Google Patents

管连接机构以及具有其的制冷***、制冷器具 Download PDF

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Publication number
WO2022083228A1
WO2022083228A1 PCT/CN2021/110569 CN2021110569W WO2022083228A1 WO 2022083228 A1 WO2022083228 A1 WO 2022083228A1 CN 2021110569 W CN2021110569 W CN 2021110569W WO 2022083228 A1 WO2022083228 A1 WO 2022083228A1
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WIPO (PCT)
Prior art keywords
pipe
hose
sleeve
pipe portion
rigid
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PCT/CN2021/110569
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English (en)
French (fr)
Inventor
杨鹏
张奎
朱小兵
刘建如
陈建全
万彦斌
Original Assignee
青岛海尔特种制冷电器有限公司
海尔智家股份有限公司
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Application filed by 青岛海尔特种制冷电器有限公司, 海尔智家股份有限公司 filed Critical 青岛海尔特种制冷电器有限公司
Priority to AU2021363405A priority Critical patent/AU2021363405A1/en
Priority to JP2023520548A priority patent/JP2023543938A/ja
Priority to EP21881647.8A priority patent/EP4202280A4/en
Priority to US18/032,562 priority patent/US20230408009A1/en
Publication of WO2022083228A1 publication Critical patent/WO2022083228A1/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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/22—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts
    • F16L33/225—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts a sleeve being movable axially
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/40—Fluid line arrangements

Definitions

  • the utility model relates to a pipe connection mechanism, a refrigeration system and a refrigeration appliance having the pipe connection mechanism, and belongs to the technical field of soft and hard pipe connection.
  • connection structure In the existing refrigeration system, if the pipeline structure has both rigid tubes and flexible tubes, a connection structure is usually required to assist the connection of the rigid tubes and the flexible tubes.
  • the existing connection structure between the hose and the rigid pipe is often easy to assemble but difficult to ensure the sealing performance, or the structure is too complicated, resulting in low assembly efficiency and complicated operation, and it is difficult to take into account both the assembly efficiency and the sealing performance at the same time. aspect.
  • the purpose of the present invention is to provide a pipe connection mechanism to solve the problem in the prior art that it is difficult to take into account both the assembly efficiency and the sealing performance when connecting a hose and a rigid pipe.
  • the utility model also aims to provide a refrigeration system with the pipe connection mechanism.
  • the utility model also aims to provide a refrigeration appliance with the refrigeration system.
  • an embodiment of the present utility model provides a pipe connection mechanism for the connection of a hose and a rigid pipe, including:
  • a joint pipe which has a first pipe part and a second pipe part respectively provided at opposite ends, the first pipe part is fixedly connected to the rigid pipe, and the second pipe part is forwardly inserted into the inside the hose and interferingly prop up the hose;
  • a sleeve sleeved on the outside of the hose is sleeved backwards on the outside of the second pipe part and together with the second pipe part clamps and fixes the hose.
  • the first pipe portion is connected to the rigid pipe by welding, or the joint pipe and the rigid pipe are integrally formed.
  • the difference between the inner radius of the sleeve and the outer radius of the second pipe portion is smaller than the thickness of the pipe wall of the hose.
  • the outer surface of the second pipe portion is provided with a non-slip structure configured as a protrusion or a groove.
  • the anti-skid structure extends around the axis of the second pipe portion in a ring shape.
  • the joint pipe has a limiting boss protruding outward from the second pipe portion, and the limiting boss can abut against the rear end surface of the sleeve to A limit position for the rearward movement of the sleeve is defined.
  • the limiting boss extends around the axis of the second pipe portion to form an annular boss.
  • the outer diameter of the front end pipe portion of the sleeve is smaller than the outer diameter of the rear end pipe portion, so that the outer surface of the sleeve is stepped;
  • the joint pipe has a limiting boss protruding outward from the first pipe portion, and the outer surface of the limiting boss and the outer surface of the first pipe portion are connected in a stepped shape.
  • the sleeve and the joint pipe are respectively provided as integrally formed metal parts.
  • the pipe connection mechanism supports the hose through the interference of the second pipe part, and is pressed in combination with the outside of the sleeve, so as to ensure the sealing between the hose and the second pipe part performance, preventing the fluid in the hose and the rigid pipe from leaking out along the gap between the hose and the second pipe portion;
  • connection between the flexible tube and the rigid tube can be quickly realized through the insertion operation between the sleeve and the joint tube and the flexible tube, the operation is simple and convenient, and the assembly efficiency is high. , taking into account both assembly efficiency and sealing performance.
  • an embodiment of the present invention provides a refrigeration system, which includes a rigid pipe and a hose for refrigerant to flow, and a pipe connection mechanism, and the rigid pipe and the hose are connected through the pipe. Institutional fixed mating;
  • the pipe connection mechanism includes:
  • a joint pipe which has a first pipe part and a second pipe part respectively provided at opposite ends, the first pipe part is fixedly connected to the rigid pipe, and the second pipe part is forwardly inserted into the inside the hose and interferingly prop up the hose;
  • a sleeve sleeved on the outside of the hose is sleeved backwards on the outside of the second pipe part and together with the second pipe part clamps and fixes the hose.
  • the first pipe portion is connected to the rigid pipe by welding, or the joint pipe and the rigid pipe are integrally formed.
  • the difference between the inner radius of the sleeve and the outer radius of the second pipe portion is smaller than the thickness of the pipe wall of the hose.
  • the outer surface of the second pipe portion is provided with a non-slip structure configured as a protrusion or a groove.
  • the anti-skid structure extends around the axis of the second pipe portion in a ring shape.
  • the joint pipe has a limiting boss protruding outward from the second pipe portion, and the limiting boss can abut against the rear end surface of the sleeve to A limit position for the rearward movement of the sleeve is defined.
  • the limiting boss extends around the axis of the second pipe portion to form an annular boss.
  • the outer diameter of the front end pipe portion of the sleeve is smaller than the outer diameter of the rear end pipe portion, so that the outer surface of the sleeve is stepped;
  • the joint pipe has a limiting boss protruding outward from the first pipe portion, and the outer surface of the limiting boss and the outer surface of the first pipe portion are connected in a stepped shape.
  • the sleeve and the joint pipe are respectively provided as integrally formed metal parts.
  • the refrigeration system adopts the pipe connection mechanism, through the interference support of the second pipe portion to the hose, combined with the external compression of the sleeve, to ensure that the hose and the second
  • the tightness between the tube parts prevents the refrigerant in the hose and the second tube part from leaking along the gap between the hose and the second tube part;
  • connection between the flexible tube and the rigid tube can be quickly realized through the insertion operation between the sleeve and the joint tube and the flexible tube, the operation is simple and convenient, and the assembly efficiency is high. , taking into account both assembly efficiency and sealing performance.
  • an embodiment of the present utility model provides a refrigeration appliance, including a refrigeration system, a refrigeration system, including a rigid pipe and a hose for refrigerant to flow, and a pipe connection mechanism, the rigid pipe and the The hose is fixedly mated through the pipe connecting mechanism;
  • the pipe connection mechanism includes:
  • a joint pipe which has a first pipe part and a second pipe part respectively provided at opposite ends, the first pipe part is fixedly connected to the rigid pipe, and the second pipe part is forwardly inserted into the inside the hose and interferingly prop up the hose;
  • a sleeve sleeved on the outside of the hose is sleeved backwards on the outside of the second pipe part and together with the second pipe part clamps and fixes the hose.
  • the first pipe portion is connected to the rigid pipe by welding, or the joint pipe and the rigid pipe are integrally formed.
  • the difference between the inner radius of the sleeve and the outer radius of the second pipe portion is smaller than the thickness of the pipe wall of the hose.
  • the outer surface of the second pipe portion is provided with a non-slip structure configured as a protrusion or a groove.
  • the anti-skid structure extends around the axis of the second pipe portion in a ring shape.
  • the joint pipe has a limiting boss protruding outward from the second pipe portion, and the limiting boss can abut against the rear end surface of the sleeve to A limit position for the rearward movement of the sleeve is defined.
  • the limiting boss extends around the axis of the second pipe portion to form an annular boss.
  • the outer diameter of the front end pipe portion of the sleeve is smaller than the outer diameter of the rear end pipe portion, so that the outer surface of the sleeve is stepped;
  • the joint pipe has a limiting boss protruding outward from the first pipe portion, and the outer surface of the limiting boss and the outer surface of the first pipe portion are connected in a stepped shape.
  • the sleeve and the joint pipe are respectively provided as integrally formed metal parts.
  • the refrigerating system of the refrigerating appliance adopts the pipe connecting mechanism, which is supported by the interference of the second pipe part to the hose, and is pressed in combination with the outside of the sleeve, so as to ensure that the hose and the The tightness between the second pipe parts prevents refrigerant from leaking along the gap between the hose and the second pipe part;
  • connection between the flexible tube and the rigid tube can be quickly realized through the insertion operation between the sleeve and the joint tube and the flexible tube, the operation is simple and convenient, and the assembly efficiency is high. , taking into account the two aspects of assembly efficiency and sealing performance, greatly improving the quality of the refrigeration appliance, and reducing the manufacturing cost of the refrigeration appliance.
  • Fig. 1 is the structural exploded sectional schematic diagram of the pipe connection mechanism of one embodiment of the present invention
  • FIG. 2 is a schematic cross-sectional view of the structure of the fitting of a pipe connecting mechanism and a hose according to an embodiment of the present invention.
  • FIG. 1 to 2 there is illustrated a pipe connection mechanism 9 of an embodiment of the present invention, which is used for the connection of a hose and a rigid pipe.
  • an application of the pipe connection mechanism 9 is provided, which is specifically applied to a refrigeration system.
  • the application of the pipe connection mechanism 9 is not limited to this, and can also be applied to other than refrigeration systems. In the connection scene of other hoses and rigid pipes.
  • a refrigeration system in this embodiment, includes a hose 90, the rigid pipe, and a pipe connection mechanism 9. Both the hose 90 and the rigid pipe can be used for the refrigerant of the refrigeration system to perform cooling. The two are fixedly connected through the pipe connecting mechanism 9 , so that the refrigerant can smoothly flow from the hose 90 into the rigid pipe, or flow into the flexible pipe 90 from the rigid pipe.
  • the pipe connection mechanism 9 includes a joint pipe 92 and a sleeve 91 .
  • the joint pipe 92 has a first pipe portion 922 and a second pipe portion 921 respectively provided at opposite ends.
  • the joint pipe 92 is provided as a straight pipe extending back and forth.
  • the first pipe portion 922 forms a
  • the second pipe portion 921 is formed at the front end of the joint pipe 92 at the rear end of the joint pipe 92 .
  • the first pipe portion 922 is fixedly connected to the rigid pipe, the second pipe portion 921 is inserted into the hose 90 from the rear to the front, and the second pipe portion 921 stretches the hose 90 by interference.
  • the sleeve 91 is sleeved on the outside of the hose 90, which moves toward the joint pipe 92 from front to back, and is sleeved outside the second pipe part 921, so that the sleeve 91 can be clamped and fixed together with the second pipe part 921
  • the hose 90 that is, the second pipe portion 921, supports the hose 90 from the inside with interference, while the sleeve 91 presses the hose 90 inward from the outside, so that the hose 90 is tightly clamped and fixed between the sleeve 91 and the sleeve 91. between the second pipe portions 921 .
  • the pipe connecting mechanism 9 supports the hose 90 through the interference of the second pipe portion 921, and is combined with the external compression of the sleeve 91, so as to ensure the tightness between the hose 90 and the second pipe portion 921 and avoid the The refrigerant leaks along the gap between the hose 90 and the second pipe portion 921, and at the same time, through the plug-in operation between the sleeve 91 and the joint pipe 92 and the hose 90, the hose 90 and the hose 90 can be quickly realized.
  • connection between the rigid pipes does not require other additional structural parts (that is, the pipe connection mechanism 9 only needs to be composed of both the sleeve 91 and the joint pipe 92), the structure is simple, the operation is simple and convenient, the assembly efficiency is high, and the Assembly efficiency and sealing performance.
  • first pipe portion 922 may be connected to the rigid pipe by welding.
  • the joint pipe 92 can also be formed into an integral body with the rigid pipe, that is, the joint pipe 92 is directly processed and formed at the end of the rigid pipe.
  • the cross-section of the outer surface 9210 of the second tube portion 921 is set to be circular, and correspondingly, the inner cavity of the sleeve 91 is set to be circular, that is, the cross-section of the inner surface is circular. mate and avoid cutting hose 90 at sharp angles.
  • the inner radius R1 of the sleeve 91 is larger than the outer radius R2 of the second pipe portion 921 , and the difference ( R1 ⁇ R2 ) between the inner radius R1 of the sleeve 91 and the outer radius R2 of the second pipe portion 921 is smaller than the hose 90 .
  • the thickness H of the pipe wall is thus ensured that the hose 90 is further clamped by the sleeve 91 and the second pipe portion 921 .
  • the outer surface 9210 of the second pipe portion 921 is provided with a non-slip structure.
  • the anti-skid structure increases the position of the hose 90 in the second pipe portion.
  • the firmness on the part 921 can prevent the hose 90 from detaching from the second pipe part 921, and at the same time, it can also increase the difficulty of the refrigerant leaking out from between the hose 90 and the second pipe part 921, so as to ensure the sealing effect .
  • the anti-skid structure is configured as a protrusion that protrudes outward from the outer surface 9210 of the second pipe portion 921 , or is configured as a groove that is recessed inward on the outer surface 9210 of the second pipe portion 921 .
  • the anti-skid structure extends around the axis T of the second pipe portion 921 in a ring shape, which can further increase the sealing effect and enhance the fitting firmness; of course, the shape of the anti-skid structure is not limited to this, for example, it can also Set grid or other.
  • the joint pipe 92 has a limiting boss 920 protruding outward from the second pipe portion 921 , that is, the outer surface of the limiting boss 920 is disposed away from the axis T relative to the outer surface 9210 of the second pipe portion 921 .
  • the front end surface 9201 of the limiting boss 920 can abut against the rear end surface of the sleeve 91 , thereby limiting the limit position of the sleeve 91 moving backwards.
  • the limiting boss 920 extends around the axis T of the second pipe portion 921 as an annular boss, that is, it makes a circle around the axis T.
  • the hose 90 and the rigid tube are completed by the tube connection mechanism 9 .
  • the front end surface 9201 of the limiting boss 920 can abut against the rear end surface of the sleeve 91 in the circumferential direction, thereby further extending the path required for the refrigerant to leak out from the pipe connection mechanism 9 and enhancing the sealing Effect.
  • each of the two surfaces that should be in contact (for example, the outer surface 9210 of the second pipe portion 921 and the inner surface of the hose 90 ) , the outer surface of the hose 90 and the inner surface of the sleeve 91, the front end surface 9201 of the limiting boss 920 and the rear end surface of the sleeve 91) are all spaced by a certain gap, which does not constitute a limitation to this technical solution, it can be understood However, in actual implementation, the two surfaces that are attached to each other are in close contact without gaps.
  • the outer diameter of the front end portion 911 of the sleeve 91 is smaller than the outer diameter of the rear end portion 912 of the sleeve 91, so that the outer surface of the sleeve 91 is stepped, that is, the front end portion 911 is relatively thin
  • the rear end pipe portion 912 is relatively thick.
  • the outer surface of the front end pipe part 911 and the outer surface of the rear end pipe part 912 are connected by a surface 9121 .
  • the limiting boss 920 also protrudes outward from the first tube portion 922 , that is, the outer surface of the limiting boss 920 is disposed away from the axis T relative to the outer surface of the first tube portion 922 .
  • the outer surface of the limiting boss 920 and the outer surface of the first pipe portion 922 are connected in a stepped shape through a surface 9202 . In this way, when the sleeve 91 is sleeved to the outside of the second pipe portion 921, a pushing force can be applied by pushing the surface 9202 from the rear, so as to press the sleeve 91 to the limiting boss 920, even if the installation process is exert force.
  • the sleeve 91 is provided as an integrally formed metal piece
  • the joint pipe 92 is also provided as an integrally formed metal piece, both of which can be made of copper or other materials.
  • an embodiment of the present invention also provides an application of the refrigeration system, and specifically, provides a refrigeration appliance, and the refrigeration appliance further includes the aforementioned refrigeration system.
  • the refrigeration appliance further includes the aforementioned refrigeration system.
  • this embodiment is only an application scenario of the refrigeration system, and the refrigeration system can also be applied to other refrigeration appliances other than refrigeration appliances.
  • the tube connection mechanism 9 supports the hose 90 through the interference of the second tube portion 921, and is combined with the external compression of the sleeve 91 to ensure the tightness between the hose 90 and the second tube portion 921, and prevent the refrigerant from flowing along the hose 90. Leak through the gap between the hose 90 and the second pipe portion 921;
  • connection between the hose 90 and the rigid pipe can be quickly realized through the insertion operation between the sleeve 91 and the joint pipe 92 and the hose 90, the operation is simple and convenient, the assembly efficiency is high, and the assembly is taken into account.
  • the outer surface 9210 of the second pipe part 921 is provided with a non-slip structure, which increases the firmness of the hose 90 on the second pipe part 921, prevents the hose 90 from being detached from the second pipe part 921, and also increases the It is difficult for the large refrigerant to leak out between the hose 90 and the second pipe portion 921, which further improves the sealing effect;

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

一种管连接机构（9）以及具有其的制冷***、制冷器具。包括：接头管（92），其具有固定相接于刚性管的第一管部（922）和向前插置入软管（90）内并过盈地撑开软管（90）的第二管部（921）；套设在软管（90）外的套管（91），其向后套接在第二管部（921）外并与第二管部（921）共同夹持固定软管（90）。

Description

管连接机构以及具有其的制冷***、制冷器具 技术领域
本实用新型涉及一种管连接机构，以及具有该管连接机构的制冷***和制冷器具，属于软硬管连接技术领域。
背景技术
针对制冷***而言，其良好的密封性能毫无疑问是制冷***品质达标的必要条件之一，然而除此之外，随着市场竞争压力的增大，如何提升制冷***的组装效率来节约时间成本和人力成本，对提升产品的市场竞争力的影响也越来越大。
现有的制冷***，若其管路结构兼具了刚性管和软管，则通常需要连接结构来辅助刚性管和软管的连接。然而，现有的软管和刚性管之间的连接结构经常是组装简单但密封性难以保证，要么就是结构过于复杂而导致组装效率低下、操作繁琐，很难同时兼顾组装效率和密封性能两个方面。
发明内容
本实用新型的目的在于提供一种管连接机构，以解决现有技术中存在的软管和刚性管在连接时组装效率和密封性能难以兼顾的问题。
本实用新型的目的还在于提供一种具有该管连接机构的制冷***。
本实用新型的目的还在于提供一种具有该制冷***的制冷器具。
为实现上述目的，本实用新型一实施方式提供了一种管连接机构，用于软管和刚性管的连接，包括：
接头管，其具有在相对两端分别设置的第一管部和第二管部，所述第一管部固定相接于所述刚性管，所述第二管部向前插置入所述软管内并过盈地撑开所述软管；
套设在所述软管外的套管，其向后套接在所述第二管部外并与所述第二管部共同夹持固定所述软管。
作为本实用新型一实施方式的进一步改进，所述第一管部焊接连接于所述刚性管，或者，所述接头管与所述刚性管为一体成型体。
作为本实用新型一实施方式的进一步改进，所述套管的内半径与所述第二管部的外半径的差值小于所述软管的管壁厚度。
作为本实用新型一实施方式的进一步改进，所述第二管部的外表面设置有构造为凸起或凹槽的防滑结构。
作为本实用新型一实施方式的进一步改进，所述防滑结构绕所述第二管部的轴线延伸呈环形。
作为本实用新型一实施方式的进一步改进，所述接头管具有自所述第二管部向外凸伸的限位凸台，所述限位凸台可抵持所述套管的后端面以限定所述套管向后运动的极限位置。
作为本实用新型一实施方式的进一步改进，所述限位凸台绕所述第二管部的轴线延伸呈环形凸台。
作为本实用新型一实施方式的进一步改进，所述套管的前端管部的外径小于其后端管部的外径，以使所述套管的外表面呈台阶状；
所述接头管具有自所述第一管部向外凸伸的限位凸台，所述限位凸台的外表面和所述第一管部的外表面相连接呈台阶状。
作为本实用新型一实施方式的进一步改进，所述套管和所述接头管分别设置为一体成型的金属件。
与现有技术相比，本实用新型的有益效果在于：
所述管连接机构通过所述第二管部对所述软管的过盈支撑，并结合所述套管的外部压紧，保证了所述软管和所述第二管部之间的密封性能，避免所述软管和所述刚性管中的流体沿着所述软管和所述第二管部之间的缝隙向外进行泄露；
同时通过所述套管和所述接头管二者与所述软管之间的插接操作，即可快速实现所述软管和所述刚性管之间的连接，操作简单方便，组装效率高，兼顾了组装效率和密封性能两方面。
为实现上述目的，本实用新型一实施方式提供了一种制冷***，包括供制冷剂流动的刚性管和软管，还包括管连接机构，所述刚性管和所述软管通过所述管连接机构固定配接；
所述管连接机构包括：
接头管，其具有在相对两端分别设置的第一管部和第二管部，所述第一管部固定相接于所述刚性管，所述第二管部向前插置入所述软管内并过盈地撑开所述软管；
套设在所述软管外的套管，其向后套接在所述第二管部外并与所述第二管部共同夹持固定所述软管。
作为本实用新型一实施方式的进一步改进，所述第一管部焊接连接于所述刚性管，或者，所述接头管与所述刚性管为一体成型体。
作为本实用新型一实施方式的进一步改进，所述套管的内半径与所述第二管部的外半径的差值小于所述软管的管壁厚度。
作为本实用新型一实施方式的进一步改进，所述第二管部的外表面设置有构造为凸起或凹槽的防滑结构。
作为本实用新型一实施方式的进一步改进，所述防滑结构绕所述第二管部的轴线延伸呈环形。
作为本实用新型一实施方式的进一步改进，所述接头管具有自所述第二管部向外凸伸的限位凸台，所述限位凸台可抵持所述套管的后端面以限定所述套管向后运动的极限位置。
作为本实用新型一实施方式的进一步改进，所述限位凸台绕所述第二管部的轴线延伸呈环形凸台。
作为本实用新型一实施方式的进一步改进，所述套管的前端管部的外径小于其后端管部的外径，以使所述套管的外表面呈台阶状；
所述接头管具有自所述第一管部向外凸伸的限位凸台，所述限位凸台的外表面和所述第一管部的外表面相连接呈台阶状。
作为本实用新型一实施方式的进一步改进，所述套管和所述接头管分别设置为一体成型的金属件。
与现有技术相比，本实用新型的有益效果在于：
所述制冷***采用所述管连接机构，通过所述第二管部对所述软管的过盈支撑，并结合所述套管的外部压紧，保证了所述软管和所述第二管部之间的密封性，避免所述软管和所述第二管部中的制冷剂沿着所述软管和所述第二管部之间的缝隙进行泄露；
同时通过所述套管和所述接头管二者与所述软管之间的插接操作，即可快速实现所述软管和所述刚性管之间的连接，操作简单方便，组装效率高，兼顾了组装效率和密封性能两方面。
为实现上述目的，本实用新型一实施方式提供了一种制冷器具，包括制冷***，制冷***，包括供制冷剂流动的刚性管和软管，还包括管连接机构，所述刚性管和所述软管通过所述管连接机构固定配接；
所述管连接机构包括：
接头管，其具有在相对两端分别设置的第一管部和第二管部，所述第一管部固定相接于所述刚性管，所述第二管部向前插置入所述软管内并过盈地撑开所述软管；
套设在所述软管外的套管，其向后套接在所述第二管部外并与所述第二管部共同夹持固定所述软管。
作为本实用新型一实施方式的进一步改进，所述第一管部焊接连接于所述刚性管，或者，所述接头管与所述刚性管为一体成型体。
作为本实用新型一实施方式的进一步改进，所述套管的内半径与所述第二管部的外半径的差值小于所述软管的管壁厚度。
作为本实用新型一实施方式的进一步改进，所述第二管部的外表面设置有构造为凸起或凹槽的防滑结构。
作为本实用新型一实施方式的进一步改进，所述防滑结构绕所述第二管部的轴线延伸呈环形。
作为本实用新型一实施方式的进一步改进，所述接头管具有自所述第二管部向外凸伸的限位凸台，所述限位凸台可抵持所述套管的后端面以限定所述套管向后运动的极限位置。
作为本实用新型一实施方式的进一步改进，所述限位凸台绕所述第二管部的轴线延伸呈环形凸台。
作为本实用新型一实施方式的进一步改进，所述套管的前端管部的外径小于其后端管部的外径，以使所述套管的外表面呈台阶状；
所述接头管具有自所述第一管部向外凸伸的限位凸台，所述限位凸台的外表面和所述第一管部的外表面相连接呈台阶状。
作为本实用新型一实施方式的进一步改进，所述套管和所述接头管分别设置为一体成型的金属件。
与现有技术相比，本实用新型的有益效果在于：
所述制冷器具的制冷***采用所述管连接机构，通过所述第二管部对所述软管的过盈支撑，并结合所述套管的外部压紧，保证了所述软管和所述第二管部之间的密封性，避免制冷剂沿着所述软管和所述第二管部之间的缝隙进行泄露；
同时通过所述套管和所述接头管二者与所述软管之间的插接操作，即可快速实现所述软管和所述刚性管之间的连接，操作简单方便，组装效率高，兼顾了组装效率和密封性能两方面，大大提升了制冷器具的品质，并降低了制冷器具的制造成 本。
附图说明
图1是本实用新型一实施例的管连接机构的结构分解剖面示意图；
图2是本实用新型一实施例的管连接机构与软管配合的结构剖面示意图。
具体实施方式
以下将结合附图所示的具体实施方式对本实用新型进行详细描述。但这些实施方式并不限制本实用新型，本领域的普通技术人员根据这些实施方式所做出的结构、方法、或功能上的变换均包含在本实用新型的保护范围内。
参看图1至图2，其中示例了本实用新型一实施例的管连接机构9，其用于软管和刚性管的连接。
在本实施例中提供一种该管连接机构9的应用，具体为应用于制冷***，当然，可以理解的，该管连接机构9的应用不限于此，还可以适用于除制冷***之外的其它软管与刚性管的连接场景中。
在本实施例中，提供一种制冷***，该制冷***包括软管90、所述刚性管以及管连接机构9，软管90和所述刚性管均可以用于供该制冷***的制冷剂进行流动，二者通过管连接机构9实现固定配接，由此使得制冷剂可顺利的从软管90中流入所述刚性管中，或者从所述刚性管中流入软管90中。
采用本实施例的管连接机构9将软管90和所述刚性管进行组装连接，不但组装快速方便，而且可以保证良好的密封性，实现了组装效率和密封性能的兼顾。
具体地，管连接机构9包括接头管92和套管91。
接头管92具有在相对两端分别设置的第一管部922和第二管部921，在附图示意中，接头管92设置为前后延伸的直管，详细地说，第一管部922形成于接头管92的后端，第二管部921形成于接头管92的前端。
第一管部922固定相接于所述刚性管，第二管部921自后向前插置入软管90内，且，第二管部921过盈地撑开软管90。
套管91套设在软管90外，其自前向后地趋近接头管92运动，并套接在第二管部921外，这样，套管91可以与第二管部921共同夹持固定软管90，也即第二管部921从内部过盈地支撑软管90，同时套管91从外部向内压紧软管90，使得软管90被紧密地夹持固定在套管91与第二管部921之间。
由此，管连接机构9通过第二管部921对软管90的过盈支撑，并结合套管91的外部压紧，保证了软管90和第二管部921之间的密封性，避免制冷剂沿着软管90和第二管部921之间的缝隙进行泄露，同时通过套管91和接头管92二者与软管90之间的插接操作，即可快速实现软管90和所述刚性管之间的连接，无需其它额外结构件(即管连接机构9只需由套管91和接头管92二者构成即可)，结构简单，操作简单方便，组装效率高，兼顾了组装效率和密封性能两方面。
进一步地，第一管部922具体可通过焊接方式连接于所述刚性管。当然，在变化实施例中，接头管92还可以与所述刚性管为一体成型体，也即在所述刚性管的末端直接加工成型出接头管92。
优选地，第二管部921的外表面9210的横截面设置为圆形，对应的，套管91的内腔设置为圆形，也即其内表面的横截面为圆形，这样，可以便于配接，并避免尖锐角度下割伤软管90。
进一步地，套管91的内半径R1大于第二管部921的外半径R2，套管91的内半径R1与第二管部921的外半径R2的差值(R1-R2)小于软管90的管壁厚度H，由此可以保证通过套管91和第二管部921进一步夹紧软管90。
另外，在本实施例中，第二管部921的外表面9210设置有防滑结构，当第二管部921过盈地支撑软管90时，所述防滑结构增大软管90在第二管部921上的牢固度，可以防止软管90从第二管部921上脱离开，同时，还可以增大制冷剂从软管90和第二管部921之间泄露出来的难度，保证密封效果。
所述防滑结构构造为向外凸伸出第二管部921的外表面9210的凸起，或者构造为向内凹陷于第二管部921的外表面9210的凹槽。
优选地，所述防滑结构绕第二管部921的轴线T延伸呈环形，这样可以进一步增大密封效果，增强配接牢固度；当然，所述防滑结构的形状不限于此，例如其还可以设置网格状或其它。
进一步地，接头管92具有自第二管部921向外凸伸的限位凸台920，也即，限位凸台920的外表面相对第二管部921的外表面9210远离轴线T设置。其中，限位凸台920的前端面9201可抵持套管91的后端面，由此，以限定套管91向后运动的极限位置。
这样，在对软管90和所述刚性管进行组装时，当套管91的后端面抵持在限位凸台920的前端面9201时，就可以完成组装，由此可以方便操作者及时判断组装到位，避免盲目性地过度组装，同时，便于精准管控制冷***中该软管90处的制冷 剂流动路径的长度。
优选地，限位凸台920绕第二管部921的轴线T延伸呈环形凸台，也即其围绕轴线T圆周一圈，这样，在软管90和所述刚性管通过管连接机构9完成组装时，限位凸台920的前端面9201可以在圆周方向上均抵持套管91的后端面，由此，进一步延长制冷剂从管连接机构9中泄露出来所需要通过的路径，增强密封效果。
在此需要补充说明的是，在图2中，为了便于清楚地展示各个部件的结构，各个本应贴合的两个面(例如第二管部921的外表面9210和软管90的内表面、软管90的外表面和套管91的内表面、限位凸台920的前端面9201和套管91的后端面)均间隔有一定间隙，这并不构成对本技术方案的限定，可以理解的，在实际实施中，这些相互贴合的两个面之间均紧密接触而无间隙存在。
进一步地，套管91的前端管部911的外径小于套管91的后端管部912的外径，以使套管91的外表面呈台阶状，也即，前端管部911相对较细而后端管部912相对较粗。前端管部911的外表面和后端管部912的外表面之间通过面9121相连接，换个角度讲，面9121可看作是后端管部912的前端面。这样，通过设置呈前细后粗的结构，在将套管91向第二管部921外部套接时，可以通过从前方推动面9121来施加推力，以便于将套管91压向限位凸台920，也即便于安装过程中的施力。
类似的，限位凸台920还自第一管部922向外凸伸，也即，限位凸台920的外表面相对第一管部922的外表面远离轴线T设置。限位凸台920的外表面和第一管部922的外表面通过面9202相连接呈台阶状，换个角度讲，面9202可看作是限位凸台920的后端面。这样，在将套管91向第二管部921外部套接时，可以通过从后方推动面9202来施加推力，以便于将套管91压向限位凸台920，也即便于安装过程中的施力。
进一步地，套管91设置为一体成型的金属件，接头管92也设置为一体成型的金属件，二者均可采用铜材或其它材质。
进一步地，本实用新型一实施例还提供了一种所述制冷***的应用，具体地，提供了一种制冷器具，该制冷器具还包括如前所述的制冷***。当然，可以理解的，该实施例仅为所述制冷***的一种应用场景，制冷***还可以应用于除制冷器具之外的其它制冷电器中。
综上所述，本实用新型的有益效果在于：
管连接机构9通过第二管部921对软管90的过盈支撑，并结合套管91的外部 压紧，保证了软管90和第二管部921之间的密封性，避免制冷剂沿着软管90和第二管部921之间的缝隙进行泄露；
同时通过套管91和接头管92二者与软管90之间的插接操作，即可快速实现软管90和所述刚性管之间的连接，操作简单方便，组装效率高，兼顾了组装效率和密封性能两方面；
第二管部921的外表面9210设置有防滑结构，增大软管90在第二管部921上的牢固度，可以防止软管90从第二管部921上脱离开，同时，还可以增大制冷剂从软管90和第二管部921之间泄露出来的难度，进一步提升密封效果；
通过设置限位凸台920，对软管90和所述刚性管进行组装时，方便操作者及时判断组装到位，避免盲目性地过度组装，同时，便于精准管控制冷***中该软管90处的制冷剂流动路径的长度。
应当理解，虽然本说明书按照实施方式加以描述，但并非每个实施方式仅包含一个独立的技术方案，说明书的这种叙述方式仅仅是为清楚起见，本领域技术人员应当将说明书作为一个整体，各实施方式中的技术方案也可以经适当组合，形成本领域技术人员可以理解的其他实施方式。
上文所列出的详细说明仅仅是针对本实用新型的可行性实施方式的具体说明，它们并非用以限制本实用新型的保护范围，凡未脱离本实用新型技艺精神所作的等效实施方式或变更均应包含在本实用新型的保护范围之内。

Claims (11)

  1. 一种管连接机构，用于软管和刚性管的连接，其特征在于，包括：
    接头管，其具有在相对两端分别设置的第一管部和第二管部，所述第一管部固定相接于所述刚性管，所述第二管部向前插置入所述软管内并过盈地撑开所述软管；
    套设在所述软管外的套管，其向后套接在所述第二管部外并与所述第二管部共同夹持固定所述软管。
  2. 根据权利要求1所述的管连接机构，其特征在于，所述第一管部焊接连接于所述刚性管，或者，所述接头管与所述刚性管为一体成型体。
  3. 根据权利要求1所述的管连接机构，其特征在于，所述套管的内半径与所述第二管部的外半径的差值小于所述软管的管壁厚度。
  4. 根据权利要求1所述的管连接机构，其特征在于，所述第二管部的外表面设置有构造为凸起或凹槽的防滑结构。
  5. 根据权利要求4所述的管连接机构，其特征在于，所述防滑结构绕所述第二管部的轴线延伸呈环形。
  6. 根据权利要求1所述的管连接机构，其特征在于，所述接头管具有自所述第二管部向外凸伸的限位凸台，所述限位凸台可抵持所述套管的后端面以限定所述套管向后运动的极限位置。
  7. 根据权利要求6所述的管连接机构，其特征在于，所述限位凸台绕所述第二管部的轴线延伸呈环形凸台。
  8. 根据权利要求1所述的管连接机构，其特征在于，所述套管的前端管部的外径小于其后端管部的外径，以使所述套管的外表面呈台阶状；
    所述接头管具有自所述第一管部向外凸伸的限位凸台，所述限位凸台的外表面和所述第一管部的外表面相连接呈台阶状。
  9. 根据权利要求1所述的管连接机构，其特征在于，所述套管和所述接头管分别设置为一体成型的金属件。
  10. 一种制冷***，包括供制冷剂流动的刚性管和软管，其特征在于，还包括权利要求1所述的管连接机构，所述刚性管和所述软管通过所述管连接机构固定配接。
  11. 一种制冷器具，其特征在于，包括权利要求10所述的制冷***。
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