阅读说明：本技术 一种咖啡机用四通转换阀 (Four-way change-over valve for coffee machine ) 是由 萧沛章 胡英敏 于 2021-02-01 设计创作，主要内容包括：本发明提供了一种咖啡机用四通转换阀,其包括阀体和转换阀杆,所述阀体设有与其阀腔连通的输入端、第一输出端、第二输出端和第三输出端,所述阀体内部位于第一输出端与阀腔之间、第二输出端与阀腔之间及第三输出端与阀腔之间均设有阀芯组件,所述阀芯组件的顶芯延伸出阀体,所述转换阀杆上设有分别触发第一输出端处的顶芯、第二输出端处的顶芯及第三输出端处的顶芯的触发凸部。本发明采用单个四通转换阀配合转换阀杆实现切换不同的输出端,采用手动机械式控制切换,使用寿命长,而且整个四通转换阀体积小,不占用咖啡机的内部空间。(The invention provides a four-way change-over valve for a coffee machine, which comprises a valve body and a change-over valve rod, wherein the valve body is provided with an input end, a first output end, a second output end and a third output end which are communicated with a valve cavity of the valve body, valve core assemblies are arranged inside the valve body and positioned between the first output end and the valve cavity, between the second output end and the valve cavity and between the third output end and the valve cavity, a top core of each valve core assembly extends out of the valve body, and the change-over valve rod is provided with trigger convex parts which respectively trigger the top core at the first output end, the top core at the second output end and the top core at the third. The invention adopts a single four-way change-over valve to match with the change-over valve rod to realize the change-over of different output ends, adopts manual mechanical control to change over, has long service life, and has small volume of the whole four-way change-over valve without occupying the internal space of the coffee machine.)

1. A four-way change-over valve for coffee machine which characterized in that: the valve comprises a valve body and a conversion valve rod (1), wherein the valve body is provided with an input end (3), a first output end (4), a second output end (5) and a third output end (6) which are communicated with a valve cavity (2) of the valve body, the valve body is internally positioned between the first output end (4) and the valve cavity (2), between the second output end (5) and the valve cavity (2) and between the third output end (6) and the valve cavity (2) and is provided with a valve core assembly, a top core (7) of the valve core assembly extends out of the valve body, and a trigger convex part (A) which respectively triggers the top core at the first output end (4), the top core at the second output end (5) and the top core at the third output end (6) is arranged on the conversion valve rod (1).

2. The four-way switching valve for a coffee maker according to claim 1, wherein: the valve core assembly comprises a top core (7), a return spring (8) and a first sealing ring (9), the bottom end of the top core (7) extends out of the valve body, and the return spring (8) is sleeved at the upper end of the top core (7) and is abutted to the valve body.

3. The four-way switching valve for a coffee maker according to claim 2, wherein: the valve core assembly further comprises a second sealing ring (10), the second sealing ring (10) is sleeved on the top core (7), and the second sealing ring (10) is arranged between the bottom end of the top core (7) and the valve cavity (2).

4. The four-way switching valve for a coffee maker according to claim 1, wherein: the conversion valve rod (1) is provided with an inwards concave gear (11) which respectively corresponds to three circumferential settings of the first output end (4), the second output end (5) and the third output end (6), and the valve body is provided with a reset stop lever (12) matched with the gear (11).

5. The four-way switching valve for coffee machines according to claim 4, characterized in that: in three gear (11), be equipped with arc transition structure (13) between gear (11) and gear (11), the end of restoring to the throne pole (12) is the arc end.

6. A four-way change-over valve for a coffee maker according to any one of claims 1 to 5, wherein: the valve body comprises a valve seat (14) and a valve cover (15), the valve seat (14) is connected with the valve cover (15) to form the valve cavity (2), and the valve seat (14) is fixedly connected with the valve cover (15) through a first connecting piece.

7. The four-way switching valve for coffee machines according to claim 6, characterized in that: the four-way conversion valve further comprises a valve frame (16), the valve seat (14) is connected with the valve frame (16) through a second connecting piece, and the conversion valve rod (1) is rotatably connected to the valve frame (16).

8. The four-way switching valve for coffee machines according to claim 6, characterized in that: and a knob (17) is arranged on the conversion valve rod (1).

9. The four-way switching valve for coffee machines according to claim 6, characterized in that: and a sealing element (18) is arranged between the valve seat (14) and the valve cover (15).

[ technical field ] A method for producing a semiconductor device

The invention relates to a four-way change-over valve for a coffee machine.

[ background of the invention ]

The existing coffee machine is provided with three outlets, namely hot water, coffee making water and hot steam, and the three outlets are respectively controlled by three valves, but the design mode has the defects of high production cost and more internal space occupation of the coffee machine.

[ summary of the invention ]

The invention aims to overcome the problems and provides a four-way change-over valve for a coffee machine, which has low manufacturing cost and small volume and does not occupy the internal space.

In order to achieve the purpose, the invention provides a four-way change-over valve for a coffee machine, which comprises a valve body and a change-over valve rod, wherein the valve body is provided with an input end, a first output end, a second output end and a third output end which are communicated with a valve cavity of the valve body, valve core assemblies are arranged inside the valve body and positioned between the first output end and the valve cavity, between the second output end and the valve cavity and between the third output end and the valve cavity, a top core of each valve core assembly extends out of the valve body, and the change-over valve rod is provided with triggering convex parts which respectively trigger the top core at the first output end, the top core at the second output end and the top core at. In one or more embodiments, the valve core assembly includes a top core, a return spring, and a first seal ring, the bottom end of the top core extends out of the valve body, and the return spring is sleeved on the upper end of the top core and abuts against the valve body.

In one or more embodiments, the valve core assembly further includes a second sealing ring, the second sealing ring is sleeved on the top core, and the second sealing ring is disposed between the bottom end of the top core and the valve cavity.

In one or more embodiments, the conversion valve rod is provided with three circumferentially arranged concave gears corresponding to the first output end, the second output end and the third output end, and the valve body is provided with a reset stop lever matched with the gears. In one or more embodiments of the present invention,

in one or more embodiments, an arc-shaped transition structure is arranged between the gears in the three gears, and the end of the reset gear lever is an arc-shaped end.

In one or more embodiments, the valve body comprises a valve seat and a valve cover, the valve seat and the valve cover are connected to form the valve cavity, and the valve seat and the valve cover are fixedly connected through a first connecting piece.

In one or more embodiments, the four-way switching valve further comprises a valve frame, the valve seat is connected with the valve frame through a second connecting piece, and the switching valve rod is rotatably connected to the valve frame.

In one or more embodiments, a knob is disposed on the switching valve stem.

In one or more embodiments, a seal is disposed between the valve seat and the valve cover.

Compared with the background technology, the invention has the following effects: adopt single four-way change-over valve cooperation change-over valve rod to realize switching different output, adopt manual mechanical type control to switch, long service life, whole four-way change-over valve is small moreover, does not occupy the inner space of coffee machine.

[ description of the drawings ]

FIG. 1 is a schematic view of a four-way diverter valve according to the present invention;

FIG. 2 is a cross-sectional view of the input end and the first output end of the present invention;

FIG. 3 is a cross-sectional view of the second and third output terminals of the present invention;

FIG. 4 is an exploded view of the four-way diverter valve of the present invention;

FIG. 5 is a schematic view of the switching valve stem of the present invention.

[ detailed description ] embodiments

For the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.

Please refer to fig. 1-5, the present application provides a four-way change-over valve for a coffee maker, which includes a valve body, a change-over valve rod 1 and a valve frame 16, wherein the valve body includes a valve seat 14 and a valve cover 15, the valve seat 14 is connected with the valve cover 15 to form a valve cavity 2, the valve seat 14 is connected and fixed with the valve cover 15 through a first connecting piece, the valve seat 14 is connected with the valve frame 16 through a second connecting piece, the change-over valve rod 1 is rotatably connected with the valve frame 16, the first connecting piece and the second connecting piece are screws, and the screws are connected for early assembly and later maintenance.

The valve body is provided with an input end 3, a first output end 4, a second output end 5 and a third output end 6 which are communicated with the valve cavity 2, valve core assemblies are arranged inside the valve body and are positioned between the first output end 4 and the valve cavity 2, between the second output end 5 and the valve cavity 2 and between the third output end 6 and the valve cavity 2, the valve core assemblies have a switching-on or switching-off function, a top core 7 of each valve core assembly extends out of the valve body, a trigger convex part A which respectively triggers the top core at the first output end 4, the top core at the second output end 5 and the top core at the third output end 6 is arranged on the conversion valve rod 1, and when a user needs to switch on the first output end 4, the conversion valve rod 1 is rotated to jack the top core corresponding to the first output end 4, so that the input end 3 and the first output; when a user needs to switch on the second output end 5, the conversion valve rod 1 is rotated to jack up the jack-up core at the position corresponding to the second output end 5, so that the input end 3 and the second output end 5 are switched on; when the user needs to switch on the third output end 6, the conversion valve rod 1 is rotated to jack up the jack core at the position corresponding to the third output end 6, so that the input end 3 and the third output end 6 are switched on.

The embodiment adopts different output ends of mechanical control conversion to realize different output requirements, and has the advantages of compact integral structure, small volume, long service life, low manufacturing cost and no occupation of the internal installation space of the coffee machine.

Preferably, the valve core assembly comprises a top core 7, a return spring 8 and a first sealing ring 9, the bottom end of the top core 7 extends out of the valve body, the return spring 8 is sleeved at the upper end of the top core 7 and is abutted to the valve body, the first sealing ring 9 plays a role in sealing, it is ensured that a user is in a cut-off state with the output end and the valve cavity 2 after switching to an appointed output end, and the return spring 8 ensures that the user is rapidly cut off connection with the valve cavity 2 under the elastic force action of the return spring 8 after switching the output end.

Preferably, the valve core assembly further comprises a second sealing ring 10, the second sealing ring 10 is sleeved on the top core 7, the second sealing ring 10 is arranged between the bottom end of the top core 7 and the valve cavity 2, the second sealing ring 10 has a limiting effect and a sealing effect on the top core 7, the concentricity of the top core 7 during ejection or retraction is ensured, the straight up and down is ensured, the sealing performance of the valve cavity 2 and the outside is ensured, and two second sealing rings 10 are arranged for enhancing the sealing performance in the embodiment.

Preferably, be equipped with the indent gear 11 that corresponds the three circumference setting of first output 4, second output 5 and third output 6 respectively on the conversion valve rod 1, be equipped with on the valve body with 11 complex pin 12 that resets of gear, the cooperation of gear 11 and the pin 12 that resets can ensure that the user when switching to required output, this output can keep exporting, the user also need not to catch conversion valve rod 1 all the time, liberates user's both hands.

Preferably, in the three gears 11, an arc transition structure 13 is arranged between the gears 11 and the gears 11, the end of the reset gear lever 12 is an arc end, and the arc break is matched with the arc transition structure 13, so that the resistance of a user when the output end is switched can be reduced.

In this embodiment, the switching valve rod 1 is provided with a knob 17, an anti-slip structure is formed on the surface of the knob 17, and a user can easily operate the switching valve rod 1 through the knob 17 to switch the output end. In order to enhance the sealing performance of the valve body, a sealing element 18 is arranged between the valve seat 14 and the valve cover 15, and the sealing element 18, the first sealing ring 9 and the second sealing ring 10 are preferably made of silicone materials.

The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiment, but equivalent modifications or changes made by those skilled in the art according to the present disclosure should be included in the scope of the present invention as set forth in the appended claims.