Improved structure of change-over valve

Abstract

The utility model discloses an improved structure of a change-over valve, which comprises a valve body provided with a transfer cavity, an inlet communicated with the transfer cavity and a first discharge port, and is characterized by further comprising a first microswitch arranged on one side of the valve body, the valve body is provided with a first movable valve rod corresponding to the first discharge port, and the first movable valve rod is provided with a second movable valve rod corresponding to the second discharge port. A first sealing piece is arranged on the first movable valve rod, the part between the transfer cavity and the first discharging opening is closed by the first sealing piece, the valve body is further provided with a rotating switch, and when the rotating switch rotates, the first movable valve rod is pushed to move and the first microswitch is triggered, so that the inlet is communicated with the first discharging opening; according to the change-over valve, the rotary switch is matched with the first movable valve rod to achieve closing or connection between the inlet and the first discharge port, the first movable valve rod is simple in structure and convenient to operate, in addition, the rotary switch can control the first microswitch at the same time, control over mechanical parts and electric control parts is achieved, and more use requirements of users are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of conversion valve improved structure. BACKGROUND

[0002] The existing conversion valve, such as the conversion valve used for switching different pipelines in coffee machine, to realize multi-pipeline water supply or steam supply inside coffee machine, generally includes valve body, through hole in axial direction is arranged in valve body, inlet and multiple outlets are arranged on the side wall of valve body and communicated with through hole, valve core assembly is arranged in through hole, conversion switch is arranged outside valve body to control valve core assembly, conversion switch realizes the communication of inlet and different outlets by valve core assembly;But, the above-mentioned conversion valve realizes the closing or communication of multiple outlets by one valve core assembly, so the valve core assembly involves many parts, the structure is complex, and the assembly and disassembly operation is relatively cumbersome;The above-mentioned valve core assembly can only realize the closing or communication of multiple outlets (i.e. the on-off of mechanical part), cannot realize the control of electric control part, and cannot meet more use requirements of user. INVENTION CONTENTS

[0003] The utility model aims at solving the deficiency of the prior art, and provides a kind of conversion valve improved structure with simple structure and convenient operation, which can also realize the control of microswitch.

[0004] The utility model aims at solving the deficiency of the prior art, and provides a kind of conversion valve improved structure with simple structure and convenient operation, which can also realize the control of microswitch.

[0005] A kind of conversion valve improved structure, including valve body, the valve body is provided with transfer cavity, inlet and first discharge port communicated with transfer cavity, characterized by, first microswitch is further included, first microswitch is arranged in one side of valve body, valve body is provided with the first movable valve rod corresponding with first discharge port, first movable valve rod is provided with first sealing element, and transfer cavity and first discharge port are closed by first sealing element, valve body is further provided with rotary switch, first movable valve rod is moved and first microswitch is actuated when rotary switch rotates, to make inlet and first discharge port communicate;This conversion valve, rotary switch cooperates with first movable valve rod to realize the closing or conduction between inlet and first discharge port, the structure of first movable valve rod is simple and relatively convenient to operate, in addition, rotary switch can also control first microswitch simultaneously, then realize the control of corresponding electric control component by first microswitch, so that corresponding electric control component cooperates with first discharge port and carries out corresponding work, so that rotary switch can realize the control of mechanical component and electric control component simultaneously, the application function of conversion valve is expanded, meet more use requirements of user.

[0006] The utility model can also be solved by using the following technical measures:

[0007] Specifically further, the rotating switch has an outwardly extending section at one end, the inner side of the rotating switch is provided with a first push part, the inner side of the outwardly extending section is provided with a second push part, the first push part pushes the first movable valve rod to move when the rotating switch rotates, and the second push part touches the first micro switch; so that the rotating switch can simultaneously and stably act on the first movable valve rod and the first micro switch, and the implementation effect is good.

[0008] Specifically further, the valve body is provided with a first intermediate passage, the first intermediate passage is communicated with the first discharge outlet, the first movable valve rod is movably arranged on the first intermediate passage, and a discharge gap is formed between the first movable valve rod and the first intermediate passage, the communication position of the transfer cavity and the first intermediate passage is closed by the first sealing member, and one end of the first movable valve rod extends out of the first intermediate passage; the first intermediate passage provides mounting and movement space for the first movable valve rod, which is conducive to the stable operation of the first movable valve rod, and meanwhile, the discharge gap prevents the first movable valve rod from affecting the communication between the first intermediate passage and the first discharge outlet, and the implementation effect is good.

[0009] Specifically further, the valve body is provided with a through hole communicated with the first intermediate passage, one end of the first movable valve rod extends out of the valve body through the through hole, and the other end of the first movable valve rod located in the first intermediate passage is provided with a second sealing member close to the through hole; on the one hand, the one end of the first movable valve rod extending out of the valve body is convenient for cooperating with the rotating switch, and on the other hand, the second sealing member can well close the gap between the one end of the first movable valve rod and the through hole, so as to prevent the material (such as hot water) in the intermediate passage from flowing out from the gap.

[0010] Specifically further, the first movable valve rod comprises a push rod and a spring, the push rod is provided with the first sealing member and the second sealing member, one end of the push rod extends out of the valve body, the other end of the push rod extends to the transfer cavity, and the spring is respectively abutted to the transfer cavity and the other end of the push rod; the push rod is movably arranged by the spring, and the structure is simple and the implementation effect is good.

[0011] Specifically further, the other end of the push rod is provided with a convex column, one end of the spring is sleeved on the outer periphery of the convex column, the transfer cavity is provided with an inner groove corresponding to the position of the convex column, and the other end of the spring extends into the inner groove; the spring is stably sleeved on the push rod through the convex column, and the stable abutment of the spring and the push rod is realized, and meanwhile, the stable abutment of the spring and the inner wall of the transfer cavity is realized through the inner groove.

[0012] Specifically further, the valve body is provided with a first discharge channel, one end of the first discharge channel being the first discharge outlet, the first discharge channel being in communication with the first intermediate channel and being arranged perpendicularly to the first intermediate channel; the perpendicularly arranged first discharge channel can slow down the flow of the material (such as hot water) in the first intermediate channel, which is conducive to the smooth flow of the material (such as hot water) in the first intermediate channel to the first discharge channel and the smooth discharge of the material.

[0013] Specifically further, the valve body comprises a front valve seat and a rear valve seat connected together, the front valve seat is provided with a front recess, the rear valve seat is provided with a rear recess corresponding to the position of the front recess, the front recess and the rear recess enclose the transfer cavity, the inlet is arranged on the front valve seat, and the first discharge outlet and the first intermediate channel are arranged on the rear valve seat; the transfer cavity enclosed by the front recess and the rear recess has a simple structure and is easy to implement.

[0014] Specifically further, an annular groove is arranged on one side of the front valve seat at the outer periphery of the opening of the front recess, a third sealing member is arranged in the annular groove, an annular protrusion is arranged on one side of the rear valve seat at the outer periphery of the opening of the rear recess, the annular protrusion extends into the annular groove and abuts against the third sealing member; so that the third sealing member can well close the installation gap between the front valve seat and the rear valve seat, and prevent the material (such as hot water) in the transfer cavity from leaking out of the installation gap, and the sealing effect is good.

[0015] Specifically further, a second micro switch is further included, the second micro switch is arranged on the other side of the valve body, the valve body is provided with a second discharge outlet and a second movable valve rod corresponding to the second discharge outlet, a fourth sealing member is arranged on the second movable valve rod, the transfer cavity and the second discharge outlet are closed by the fourth sealing member, the second movable valve rod is pushed to move and the second micro switch is actuated when the rotating switch is rotated, so that the inlet is in communication with the second discharge outlet, the first discharge outlet is arranged side by side with the second discharge outlet, and the first movable valve rod is arranged side by side with the second movable valve rod; the rotating switch can simultaneously operate the second movable valve rod and the second micro switch, which is cleverly arranged and has good implementation effect.

[0016] The beneficial effects of the utility model are as follows:

[0017] (1) The rotating switch cooperates with the first movable valve rod to realize the closing or conduction between the inlet and the first discharge outlet, the structure of the first movable valve rod is simple and convenient to operate, in addition, the rotating switch can also simultaneously control the first micro switch, and then realize the control of the corresponding electric control component through the first micro switch, so that the corresponding electric control component cooperates with the first discharge outlet to perform corresponding work, the rotating switch can simultaneously control the mechanical component and the electric control component, the application function of the conversion valve is expanded, and more use requirements of users are met.

[0018] (2) The first intermediate channel provides installation and movement space for the first movable valve rod, which is conducive to stable work of the first movable valve rod, and meanwhile, the discharge gap makes the first movable valve rod not affect the communication between the first intermediate channel and the first discharge outlet, and the implementation effect is good.

[0019] (3) On one hand, the one end of the first movable valve rod extending out of the valve body is convenient for cooperating with the rotating switch, and on the other hand, the second sealing member can well close the gap between the one end of the first movable valve rod and the through hole, so as to avoid the material (such as hot water) in the intermediate channel from flowing out from the gap. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic view of the improved structure of the conversion valve of the utility model.

[0021] Figure 2 It is a sectional view of the improved structure of the conversion valve of the utility model.

[0022] Figure 3 It is an enlarged view of A in Figure 2

[0023] Figure 4 It is a schematic view after removing the first movable valve rod, the second movable valve rod and the third movable valve rod. Figure 2

[0024] Figure 5 It is another sectional view of the improved structure of the conversion valve of the utility model.

[0025] Figure 6 It is an exploded view of the improved structure of the conversion valve of the utility model. DETAILED DESCRIPTION

[0026] The utility model will be further described in combination with the drawings and embodiments:

[0027] In the embodiment, in combination with Figures 1 to 6 shown, an improved structure of a conversion valve, comprising a valve body 1, the valve body 1 is provided with a transfer cavity 11, an inlet 12 and a first discharge outlet 13 communicated with the transfer cavity 11, characterized by further comprising a first micro switch 2, the first micro switch 2 is arranged on one side of the valve body 1, the valve body 1 is provided with a first movable valve rod 3 corresponding to the first discharge outlet 13, the first movable valve rod 3 is provided with a first sealing member 31, and the transfer cavity 11 and the first discharge outlet 13 are closed by the first sealing member 31, the valve body 1 is further provided with a rotating switch 4, the rotating switch 4 is pushed to move the first movable valve rod 3 when rotating and triggers the first micro switch 2, so that the inlet 12 and the first discharge outlet 13 are communicated.

[0028] ​​As a specific solution, the rotating switch 4 has an outwardly extending section 41 at one end thereof, the rotating switch 4 has a first pushing portion 42 at the inner side thereof, the outwardly extending section 41 has a second pushing portion 43 at the inner side thereof, the first pushing portion 42 pushes the first movable valve rod 3 to move when the rotating switch 4 rotates, and the second pushing portion 43 touches the first micro switch 2.

[0029] As a more specific solution, the valve body 1 has a first intermediate passage 14 arranged therein, the first intermediate passage 14 is in communication with the first discharge outlet 13, the first movable valve rod 3 is movably arranged in the first intermediate passage 14 and has a discharge gap 100 with the first intermediate passage 14, the communication between the intermediate cavity 11 and the first intermediate passage 14 is closed by the first sealing member 31, and the first movable valve rod 3 extends out of the first intermediate passage 14 at one end thereof.

[0030] In this embodiment, the valve body 1 has a through hole 15 arranged therein and in communication with the first intermediate passage 14, the first movable valve rod 3 extends out of the valve body 1 at one end thereof through the through hole 15, and the first movable valve rod 3 has a second sealing member 32 arranged at one end thereof in the first intermediate passage 14 and close to the through hole 15.

[0031] In this embodiment, the first movable valve rod 3 comprises a pushing rod 33 and a spring 34, the pushing rod 33 has the first sealing member 31 and the second sealing member 32 arranged thereon, the pushing rod 33 extends out of the valve body 1 at one end thereof, the pushing rod 33 extends to the intermediate cavity 11 at the other end thereof, and the spring 34 has two ends respectively abutting against the intermediate cavity 11 and the other end of the pushing rod 33.

[0032] In this embodiment, the other end of the pushing rod 33 has a protruding column 331, the spring 34 has one end sleeved on the outer periphery of the protruding column 331, the intermediate cavity 11 has an inner recess 111 arranged at a position corresponding to the protruding column 331, and the spring 34 has the other end extending into the inner recess 111.

[0033] As a better implementation, the valve body 1 has a first discharge passage 16 arranged thereon, one end of the first discharge passage 16 is the first discharge outlet 13, the first discharge passage 16 is in communication with the first intermediate passage 14, and the first discharge passage 16 is arranged perpendicularly to the first intermediate passage 14.

[0034] As a better implementation, the valve body 1 comprises a front valve seat 17 and a rear valve seat 18 connected to each other, the front valve seat 17 has a front recess 171 arranged thereon, the rear valve seat 18 has a rear recess 181 arranged thereon at a position corresponding to the front recess 171, the front recess 171 and the rear recess 181 enclose the intermediate cavity 11, the front valve seat 17 has the inlet 12 arranged thereon, and the rear valve seat 18 has the first discharge outlet 13 and the first intermediate passage 14 arranged thereon.

[0035] The front valve seat 17 side of the front recess 171 opening outer periphery is provided with an annular groove 172, the third sealing element 5 is arranged in the annular groove 172, the rear valve seat 18 side of the rear recess 181 opening outer periphery is provided with an annular protrusion 182, the annular protrusion 182 extends into the annular groove 172 and abuts against the third sealing element 5.

[0036] As a better embodiment, the second micro switch 6 is further included, the second micro switch 6 is arranged on the other side of the valve body 1, the valve body 1 is provided with the second discharge outlet 19, the second movable valve rod 7 corresponding to the second discharge outlet 19, the fourth sealing element 71 is arranged on the second movable valve rod 7, and the fourth sealing element 71 closes the second discharge outlet 19 and the transfer cavity 11, the second movable valve rod 7 is pushed to move when the rotating switch 4 rotates, and the second micro switch 6 is triggered, so that the inlet 12 is communicated with the second discharge outlet 19, the first discharge outlet 13 is arranged side by side with the second discharge outlet 19, and the first movable valve rod 3 is arranged side by side with the second movable valve rod 7.

[0037] More specifically, the valve body 1 is provided with the third discharge outlet 20, the third movable valve rod 8 corresponding to the third discharge outlet 20, the fifth sealing element 81 is arranged on the third movable valve rod 8, and the fifth sealing element 81 closes the third discharge outlet 20 and the transfer cavity 11, the third movable valve rod 8 is pushed to move when the rotating switch 4 rotates, so that the inlet 12 is communicated with the third discharge outlet 20; the third movable valve rod 8, the second movable valve rod 7 and the first movable valve rod 3 are the same in structure, and details are not described here.

[0038] The conversion valve can be applied to the instant coffee machine, the first discharge outlet 13 can be used for discharging coffee brewing water, the second discharge outlet 19 can be used for discharging drinking hot water, the third discharge outlet 20 can be used for discharging steam, the first micro switch 2 and the second micro switch 6 are both normally closed switches, and the two are electrically connected with the control circuit board in the instant coffee machine, and the two limit the use of corresponding coffee brewing water discharge and hot water discharge functions on the control circuit board, when the first micro switch 2 is triggered by the rotating switch 4, the control circuit board receives the signal of the first micro switch 2, and the limitation on the coffee brewing water discharge function is released, at this time, the user touches or presses the corresponding coffee brewing water function key on the control circuit board, and the control circuit board can control the corresponding electrical components (the instant heater) to work (discharge coffee brewing water); it is safe and stable to use, and the instant coffee machine is not shown.

Claims

1. An improved structure of a switching valve, comprising a valve body (1), wherein the valve body (1) is provided with a transfer chamber (11), an inlet (12) communicating with the transfer chamber (11), and a first discharge port (13), wherein the improved structure comprises: The valve body (1) further comprises a first micro switch (2), the first micro switch (2) being arranged on one side of the valve body (1), the valve body (1) being provided with a first movable valve stem (3) corresponding to the first discharge port (13), the first movable valve stem (3) being provided with a first sealing member (31), and the intermediate chamber (11) and the first discharge port (13) being closed by the first sealing member (31), and the valve body (1) being provided with a rotary switch (4), which, when rotating, pushes the first movable valve stem (3) to move and actuates the first micro switch (2), so that the inlet (12) is connected to the first discharge port (13).

2. The improved conversion valve structure according to claim 1 is characterized in that: An extension section (41) extends outward from one end of the rotary switch (4), a first pushing portion (42) is provided on the inner side of the rotary switch (4), and a second pushing portion (43) is provided on the inner side of the extension section (41). When the rotary switch (4) rotates, the first pushing portion (42) pushes the first movable valve stem (3) to move, and the second pushing portion (43) touches the first micro switch (2).

3. The improved conversion valve structure according to claim 1 is characterized in that: A first intermediate channel (14) is provided in the valve body (1), the first intermediate channel (14) is communicated with the first discharge port (13), a first movable valve stem (3) is movably provided on the first intermediate channel (14), and a discharge gap (100) exists between the first movable valve stem (3) and the first intermediate channel (14), a connection between the transfer chamber (11) and the first intermediate channel (14) is sealed by a first sealing member (31), and one end of the first movable valve stem (3) extends out of the first intermediate channel (14).

4. The improved conversion valve structure according to claim 3 is characterized in that: The valve body (1) is provided with a through-hole (15) connected to the first intermediate channel (14); one end of the first movable valve stem (3) passes through the through-hole (15) and extends out of the valve body (1); one end of the first movable valve stem (3) located in the first intermediate channel (14) is provided with a second sealing member (32), and the second sealing member (32) is close to the through-hole (15).

5. The improved conversion valve structure according to claim 4 is characterized in that: The first movable valve stem (3) includes a push rod (33) and a spring (34). The push rod (33) is provided with the first sealing member (31) and the second sealing member (32). One end of the push rod (33) extends out of the valve body (1), and the other end of the push rod (33) extends to the transfer chamber (11). The two ends of the spring (34) respectively abut against the transfer chamber (11) and the other end of the push rod (33).

6. The improved conversion valve structure according to claim 5, characterized in that: The other end of the push rod (33) is provided with a boss (331), one end of the spring (34) is sleeved on the outer periphery of the boss (331), an inner groove (111) is provided in the transfer cavity (11) at a position corresponding to the boss (331), and the other end of the spring (34) extends into the inner groove (111).

7. The improved conversion valve structure according to claim 3, characterized in that: The valve body (1) is provided with a first discharge channel (16), one end of the first discharge channel (16) is the first discharge outlet (13), the first discharge channel (16) is connected to the first intermediate channel (14), and the first discharge channel (16) is arranged perpendicular to the first intermediate channel (14).

8. The improved conversion valve structure according to claim 3, characterized in that: The valve body (1) includes a front valve seat (17) and a rear valve seat (18) connected to each other, the front valve seat (17) is provided with a front recess (171), the rear valve seat (18) is provided with a rear recess (181) at a position corresponding to the front recess (171), the front recess (171) and the rear recess (181) enclose the transfer chamber (11), the front valve seat (17) is provided with the inlet (12), and the rear valve seat (18) is provided with the first discharge port (13) and the first intermediate channel (14).

9. The improved conversion valve structure according to claim 8, characterized in that: An annular groove (172) is provided on one side of the front valve seat (17) located at the outer periphery of the opening of the front recess (171), and a third sealing member (5) is provided in the annular groove (172). An annular protrusion (182) is provided on one side of the rear valve seat (18) located at the outer periphery of the opening of the rear recess (181), and the annular protrusion (182) extends into the annular groove (172) and abuts against the third sealing member (5).

10. The improved conversion valve structure according to claim 1, characterized in that: The valve body (1) further comprises a second micro switch (6), the second micro switch (6) being arranged on the other side of the valve body (1), the valve body (1) being provided with a second discharge port (19), a second movable valve stem (7) corresponding to the second discharge port (19), a fourth sealing member (71) being provided on the second movable valve stem (7), and the transfer chamber (11) and the second discharge port (19) being closed by the fourth sealing member (71), and when the rotary switch (4) is rotated, the second movable valve stem (7) is pushed to move and the second micro switch (6) is triggered, so that the inlet (12) is connected to the second discharge port (19), the first discharge port (13) and the second discharge port (19) are arranged side by side, and the first movable valve stem (3) and the second movable valve stem (7) are arranged side by side.

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