CN218960536U

CN218960536U - Two-way valve switching device

Info

Publication number: CN218960536U
Application number: CN202223301233.4U
Authority: CN
Inventors: 王昌明; 刘炳耀; 代玉宁; 黎健泉
Original assignee: Guangdong Master Electrical Appliance Co ltd
Current assignee: Guangdong Master Electrical Appliance Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-05-05
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a two-way valve switching device which comprises a driving device and a conveying device, wherein the conveying device comprises an upper cover with an output end and a lower cover with an input end, a first cavity communicated with the input end is formed in the lower cover, the upper cover is connected with the lower cover, the upper cover and the lower cover jointly form a second cavity communicated with the output end, the conveying device further comprises a middle cover, a push rod and a first sealing ring, the middle cover is arranged on the lower cover, a conveying channel is formed in the middle cover, one end of the conveying channel is communicated with the first cavity, the other end of the conveying channel is communicated with the second cavity, the push rod is arranged in the conveying channel, the first sealing ring is sleeved on the push rod, and the driving device is used for driving the push rod to drive the first sealing ring to move. The utility model has simple structure and smaller volume, and can adjust the discharged quantity by adjusting the relative positions of the ejector rod and the conveying channel.

Description

Two-way valve switching device

Technical Field

The utility model relates to the field of coffee machines, in particular to a two-way valve switching device.

Background

The valve of the coffee machine in the current market has larger volume, complex structure and insufficient compactness, is unfavorable for reducing the cost and is unfavorable for reducing the space use. In general, the valve has only an opening and closing function, and does not have a function of adjusting the amount of discharge.

Disclosure of Invention

The utility model provides a two-way valve switching device, which is realized by the following technical scheme:

the utility model provides a two-way valve auto-change over device, includes drive arrangement and conveyor, conveyor includes the upper cover that has the output and has the lower cover of input, have in the lower cover with the first cavity of input intercommunication, the upper cover with the lower cover is connected, the upper cover with the second cavity of output intercommunication is constituteed jointly to the lower cover, conveyor still includes well lid, ejector pin and first sealing washer, well lid is installed under cover, well lid is inside to have a conveying channel, the one end intercommunication of conveying channel first cavity, the other end intercommunication of conveying channel second cavity, the ejector pin is arranged in among the conveying channel, first sealing washer snare is established on the ejector pin, first sealing washer is used for sealing conveying channel, the upper end of ejector pin wears out from the upper cover, drive arrangement is used for the drive the ejector pin drives first sealing washer and removes.

Further, the middle part of the lower cover extends towards the direction of the upper cover to form an inner mounting part, the middle part of the lower cover outwards branches to form an outer mounting part, the middle cover is mounted in the inner mounting part, the edge of the outer mounting part is connected with the edge of the upper cover, and the outer mounting part and the upper cover jointly form a second cavity.

Further, the inner mounting part and the middle cover are connected through threads.

Further, the middle cover is provided with a positioning step, and the positioning step is abutted against one end, close to the upper cover, of the inner mounting part.

Further, the conveying channel is narrowed towards the direction of the upper cover, the first sealing ring is narrowed towards the direction of the upper cover, and the shapes of the first sealing ring and the conveying channel are matched.

Further, the lower end of the ejector rod is provided with a supporting step, and the first sealing ring is abutted to the supporting step.

Further, the conveying device further comprises a spring, one end of the spring is connected to the lower end of the ejector rod, and the other end of the spring is connected with the lower cover.

Further, the driving device comprises an arc-shaped piece and a rotating rod, the rotating rod can axially rotate around the rotating rod, the arc-shaped piece is connected to the rotating rod, the arc-shaped piece is provided with an arc surface, and the arc surface of the arc-shaped piece is abutted to the upper end of the ejector rod.

Further, the driving device further comprises a knob, and the knob is connected to the rotating rod.

Further, the arc-shaped pieces are multiple, the arc-shaped pieces are connected to the rotary rod, the conveying device is multiple, and the arc-shaped pieces are respectively connected with the upper ends of the ejector rods of the conveying devices in one-to-one correspondence.

The design has the following advantages: the utility model has simple structure and smaller volume, and can adjust the discharged quantity by adjusting the relative positions of the ejector rod and the conveying channel.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a vertical cross-section of the present utility model;

fig. 4 is an exploded view of the present utility model.

In the figure, 1, an upper cover; 101. an output end; 102. a second chamber; 2. a middle cover; 21. positioning the step; 22. a conveying channel; 3. a lower cover; 301. an input end; 302. a first chamber; 303. an inner mounting portion; 304. an outer mounting portion; 4. a push rod; 41. a support step; 5. a spring; 6. a first seal ring; 7. a second seal ring; 8. a third seal ring; 9. a rotating rod; 10. an arc-shaped member; 11. a knob; 12. and a fourth sealing ring.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and detailed description.

As shown in fig. 1 to 2, the present utility model discloses a two-way steam valve switching device, which comprises a conveying component and a driving component. The conveying assembly is used for controlling steam and comprises an upper cover 1, a middle cover 2, a lower cover 3, a push rod 4 and a spring 5, and a first sealing ring 6, a second sealing ring 7 and a third sealing ring 8. The drive assembly comprises a rotary rod 9, an arc-shaped piece 10 and a knob 11.

The utility model can be used for controlling the hot water or steam discharge of a coffee machine, the utility model being explained below by taking the application of steam to the utility model as an example.

The lower cover 3 has a first chamber 302 inside. The middle part of the lower cover 3 extends towards the upper cover 1 to form an inner mounting part 303, and the inner side of the inner mounting part 303 is provided with an inner thread. The middle part of the lower cover 3 is outwardly branched to form an outer mounting part 304, and the edge of the outer mounting part 304 is bent towards the upper cover 1.

The lower cover 3 extends sideways out of the input 301, the input 301 being in communication with the first chamber 302, the input 301 being adapted to inject hot water or steam into the first chamber 302 through the first input 301.

The outer side of the middle cover 2 is provided with external threads, the external threads are matched with the internal threads of the inner mounting part 303, and the middle cover 2 is connected to the inner mounting part 303 through threads. The outside of the middle cover 2 extends out of the positioning step 21, the positioning step 21 is abutted against the upper end of the inner mounting portion 303, and the positioning step 21 enables the middle cover 2 to stop due to the positioning step 21 when being mounted in place through threaded connection. A third sealing ring 8 is installed between the positioning step 21 and one end of the installation part, which is close to the upper cover 1, and the lower end of the positioning step 21 presses the third sealing ring 8 to the upper end of the inner installation part 303 to seal the gap of the threaded connection.

The edge of the upper cover 1 is connected with the edge of the outer mounting part 304, and the edge of the upper cover 1 and the edge of the outer mounting part 304 can be connected by adopting screws. A second sealing ring 7 is installed between the edge of the upper cover 1 and the edge of the outer installation part 304, and the second sealing ring 7 is used for sealing a gap between the edge of the upper cover 1 and the edge of the outer installation part 304. The second chamber 102 is formed between the upper cover 1 and the outer mounting portion 304.

The upper cover 1 extends sideways out of the outlet 101, which outlet 101 is intended for the steam in the second chamber 102 to leave the second chamber 102 from the outlet 101.

The inside of the middle cover 2 is provided with a conveying channel 22 penetrating through the middle cover 2 up and down, the lower end of the conveying channel 22 is communicated with the first chamber 302, the upper end of the conveying channel 22 is communicated with the second chamber 102, and the conveying channel 22 is narrowed toward the upper cover 1. The ejector rod 4 is arranged in the conveying channel 22, the lower end of the ejector rod 4 is provided with a supporting step 41, the lower end of the supporting step 41 is connected with one end of a spring 5, the other end of the spring 5 is connected inside the lower cover 3, and the spring 5 is used for providing an acting force for supporting the ejector rod 4 upwards. The ejector rod 4 is sleeved with the first sealing ring 6, the lower end of the first sealing ring 6 is abutted to the supporting step 41, the shape of the first sealing ring 6 is narrowed towards the upper cover 1, the shape of the first sealing ring 6 can be matched with that of the conveying channel 22, the sealing effect is improved, and the first sealing ring 6 is used for blocking steam from passing through the conveying channel 22.

The upper end of the ejector rod 4 passes through the conveying channel 22 and then passes through the upper cover 1, and a fourth sealing ring 12 can be sleeved at a position of the ejector rod 4, which is close to the position of the ejector rod 4, which passes through the upper cover 1, wherein the fourth sealing ring 12 is used for sealing a gap between the ejector rod 4 and the upper cover 1 and the ejector rod 4.

The rotary rod 9 is arranged on the coffee machine, and the rotary rod 9 can axially rotate around the rotary rod 9. One end of the rotary rod 9 is connected with a knob 11, and the other end of the rotary rod 9 is connected with an arc-shaped piece 10.

The outer side surface of the arc-shaped piece 10 is an arc surface, the arc surface of the arc-shaped piece 10 is abutted to the upper end of the ejector rod 4, the arc surface of the arc-shaped piece 10 is used for driving the ejector rod 4 to move up and down, the farther the arc surface is from the rotating rod 9, the lower the arc surface drives the ejector rod 4, the farther the first sealing ring 6 is from the conveying channel 22, the larger the gap between the conveying channel 22 and the ejector rod 4 is, and the more steam is discharged; conversely, the closer the arc surface is to the rotary rod 9, the more upward the arc surface drives the ejector rod 4, the closer the first seal ring 6 is to the conveying passage 22, and the smaller the gap between the conveying passage 22 and the ejector rod 4, the smaller the amount of steam discharge. Therefore, the cambered surface of the cambered part 10 is used for driving the ejector rod 4 to run, so that the ejector rod 4 runs smoothly, and the amount of discharged steam is controlled. The position of the cambered surface furthest from the rotary rod 9 is provided with a limiting bulge, and the limiting bulge is used for enabling the upper end of the ejector rod 4 to be clamped at the position of the cambered surface furthest from the rotary rod 9, so that the maximum steam discharge amount is maintained.

The rotary rod 9 can be prolonged, a plurality of arc-shaped pieces 10 are arranged on the rotary rod 9, a plurality of conveying components corresponding to the arc-shaped pieces 10 one by one are arranged at the same time, and the plurality of arc-shaped pieces 10 can respectively drive the plurality of conveying components to realize that the same rotary rod 9 controls the operation of the plurality of conveying components.

The application mode of the utility model is as follows:

steam is injected through the input 301 and the first sealing ring 6 seals the transfer channel 22 such that this steam is maintained in the first chamber 302. The knob 11 is driven to rotate the rotary rod 9 and the arc-shaped piece 10, the arc-shaped surface of the arc-shaped piece 10 pushes the ejector rod 4 to move downwards, the spring 5 is compressed, the first sealing ring 6 is far away from the sealing channel, steam can enter a gap between the ejector rod 4 and the middle cover 2, steam in the first chamber 302 passes through the conveying channel 22 to come into the second chamber 102, and the steam finally leaves from the output end 101.

As the knob 11 continues to rotate, the steam is discharged to the maximum extent by pushing the upper end of the ejector rod 4 against the position where the cambered surface is farthest from the rotary rod 9.

The knob 11 rotates, and gradually moves upwards along with the arrangement of the cambered surface and the acting force of the spring 5 at the upper end of the ejector rod 4 until the first sealing ring 6 seals the conveying channel 22, and the ejector rod 4 stops down to stop conveying steam.

In summary, the present utility model provides a two-way valve switching device, which has a simple structure and a small volume, and can adjust the amount of discharge by the relative positions of the ejector rod 4 and the conveying channel 22.

The foregoing detailed description is directed to embodiments of the utility model, and is not intended to limit the scope of the utility model, but rather to cover all modifications and variations within the scope of the utility model.

Claims

1. The utility model provides a two-way valve auto-change over device, includes drive arrangement and conveyor, conveyor includes upper cover (1) and lower cover (3) that have output (101) and have input (301), have in lower cover (3) with first cavity (302) of input (301) intercommunication, upper cover (1) with lower cover (3) are connected, upper cover (1) with lower cover (3) constitute jointly with second cavity (102) of output (101) intercommunication, its characterized in that: the conveying device further comprises a middle cover (2), a top rod (4) and a first sealing ring (6), wherein the middle cover (2) is installed on the lower cover (3), a conveying channel (22) is arranged inside the middle cover (2), one end of the conveying channel (22) is communicated with the first cavity (302), the other end of the conveying channel (22) is communicated with the second cavity (102), the top rod (4) is arranged in the conveying channel (22), the first sealing ring (6) is sleeved on the top rod (4), the first sealing ring (6) is used for sealing the conveying channel (22), the upper end of the top rod (4) penetrates out from the upper cover (1), and the driving device is used for driving the top rod (4) to drive the first sealing ring (6) to move.

2. The two-way valve switching device according to claim 1, wherein: the middle part of the lower cover (3) extends towards the direction of the upper cover (1) to form an inner mounting part (303), the middle part of the lower cover (3) is outwardly branched to form an outer mounting part (304), the middle cover (2) is mounted in the inner mounting part (303), the edge of the outer mounting part (304) is connected with the edge of the upper cover (1), and the outer mounting part (304) and the upper cover (1) jointly form a second chamber (102).

3. The two-way valve switching device according to claim 2, wherein: the inner mounting part (303) and the middle cover (2) are connected by screw threads.

4. The two-way valve switching device according to claim 2, wherein: the middle cover (2) is provided with a positioning step (21), and the positioning step (21) is abutted against one end, close to the upper cover (1), of the inner mounting part (303).

5. The two-way valve switching device according to claim 1, wherein: the conveying channel (22) is narrowed towards the direction of the upper cover (1), the first sealing ring (6) is narrowed towards the direction of the upper cover (1), and the shapes of the first sealing ring (6) and the conveying channel (22) are matched.

6. The two-way valve switching device according to claim 1, wherein: the lower end of the ejector rod (4) is provided with a supporting step (41), and the first sealing ring (6) is abutted on the supporting step (41).

7. The two-way valve switching device according to claim 1, wherein: the conveying device further comprises a spring (5), one end of the spring (5) is connected to the lower end of the ejector rod (4), and the other end of the spring (5) is connected with the lower cover (3).

8. The two-way valve switching device according to claim 1, wherein: the driving device comprises an arc-shaped piece (10) and a rotary rod (9), the rotary rod (9) can rotate around the axial direction of the rotary rod, the arc-shaped piece (10) is connected to the rotary rod (9), the arc-shaped piece (10) is provided with an arc surface, and the arc surface of the arc-shaped piece (10) is abutted to the upper end of the ejector rod (4).

9. The two-way valve switching device according to claim 8, wherein: the driving device further comprises a knob (11), and the knob (11) is connected to the rotary rod (9).

10. The two-way valve switching device according to claim 8, wherein: the arc-shaped pieces (10) are multiple, the arc-shaped pieces (10) are connected to the rotary rod (9), the conveying device is multiple, and the arc-shaped pieces (10) are respectively connected with the upper ends of the ejector rods (4) of the conveying device in a one-to-one correspondence mode.