CN211039725U - Switching valve device and faucet - Google Patents
Switching valve device and faucet Download PDFInfo
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- CN211039725U CN211039725U CN201921648056.2U CN201921648056U CN211039725U CN 211039725 U CN211039725 U CN 211039725U CN 201921648056 U CN201921648056 U CN 201921648056U CN 211039725 U CN211039725 U CN 211039725U
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Abstract
The utility model discloses a switching valve device and a tap, wherein the switching valve device comprises a valve body and a valve core, and the valve body is provided with a water inlet channel, a water outlet channel and an assembly cavity; the valve core comprises a first sealing element, a second sealing element and a switching shaft, the second sealing element comprises a soft sealing gasket, a hard sealing gasket and a first sealing ring, the hard sealing gasket is provided with a switching hole, the first sealing ring is limited in the switching hole, the hard sealing gasket is also provided with a pressure regulating hole communicated with the cavity, and the switching shaft moves between a sealing position and an opening position, wherein the sealing position is in sealing fit with the first sealing ring to close the switching hole, and the opening position is away from the first sealing ring to open the switching hole; the movable switching shaft is used for adjusting the water pressure in the cavity so as to enable the second sealing element to seal or open the inlet of the water outlet channel. The second sealing member can increase its intensity again when guaranteeing sealed effect, and the sealed cooperation accessible hard sealing pad of switching axle and first sealing washer supports when water pressure is great in the cavity, the phenomenon that can not appear leaking.
Description
Technical Field
The utility model relates to a diverter valve device and tap.
Background
In the existing faucet, a pull-up switching valve or a rotary switching valve is generally adopted for opening or closing the water channel, and both switching valves adopt the relative position change of a valve core and a valve seat which are in relative abutting sliding contact to correspond to a water outlet hole or close the water outlet hole so as to realize the switching of the water channel. However, it can be known that, in the lift-pull type switching valve or the rotary type check valve in the prior art, the relative friction between the valve core and the valve seat is large, when the external water pressure is large, the required switching force is correspondingly large, and the switching hand feeling is heavy.
Alternatively, although there is a switching valve using a pilot valve, water leakage is likely to occur.
SUMMERY OF THE UTILITY MODEL
The utility model provides a switching valve device, it has overcome the not enough that the background art exists. The utility model provides one of the technical scheme that its technical problem adopted is:
a switching valve apparatus comprising:
the valve body is provided with a water inlet channel, a water outlet channel and an assembly cavity;
the valve core is arranged in the assembly cavity and comprises a first sealing element, a second sealing element and a switching shaft, the first sealing element is fixed relative to the body, a cavity is formed between the first sealing element and the second sealing element, the second sealing element is matched with the inlet of the water outlet channel, the second sealing element comprises a soft sealing gasket, a hard sealing gasket sleeved in the soft sealing gasket and a first sealing ring, the hard sealing gasket is provided with a switching hole communicated with the cavity, the first sealing ring is limited in the switching hole, the hard sealing gasket is also provided with a pressure regulating hole communicated with the cavity, and the switching shaft moves between a sealing position where the switching hole is closed through sealing matching with the first sealing ring and an opening position where the switching hole is opened through leaving the first sealing ring;
the movable switching shaft is used for adjusting the water pressure in the cavity so as to enable the second sealing element to seal or open the inlet of the water outlet channel.
In a preferred embodiment: still be equipped with reset spring between first sealing member and the second sealing member, this reset spring is equipped with a contact pin, and this contact pin passes the pressure regulating hole all the time.
In a preferred embodiment: the clamping ring is fixedly connected with the hard sealing gasket and used for limiting the first sealing ring; the hole wall of the switching hole is provided with a limiting table, and the first sealing ring is limited between the limiting table and the clamping ring.
In a preferred embodiment: the first sealing element is provided with a yielding hole, the switching shaft penetrates through the yielding hole, and the tail end of the switching shaft is in switching fit with the first sealing ring; and a second sealing ring is arranged and clamped between the switching shaft and the hole wall of the abdicating hole.
In a preferred embodiment: the switching shaft moves along the direction of the central axis of the switching hole.
In a preferred embodiment: the driving mechanism is arranged in the assembling cavity and is in transmission connection with the switching shaft; the driving mechanism is of a ball-point pen refill structure.
In a preferred embodiment: the water outlet area of the switching hole is larger than the water inlet area of the pressure regulating hole.
In a preferred embodiment: the water inlet channel and the water outlet channel are both positioned on the same side of the assembly cavity.
In a preferred embodiment: and a bubbler is also arranged at the outlet of the water outlet channel.
The utility model provides a second of the technical scheme that its technical problem adopted: a faucet employing the switching valve apparatus of any one of the above claims, the faucet being provided with the switching valve apparatus.
Compared with the background technology, the technical scheme has the following advantages:
1. the water pressure in the cavity is adjusted by controlling the movable position of the switching shaft so as to seal or open the inlet of the water outlet channel by the second sealing element, so that the diameter of the switching hole can be designed to be smaller, the problem that the water pressure on the switching shaft is negligible and only friction force exists is overcome, the operating force is small and stable, and the switching hand feeling is greatly improved; simultaneously, the mode that the second sealing member adopted stereoplasm to seal up, soft sealing pad and first sealing washer to combine together can increase its intensity again when guaranteeing sealed effect, and the sealed cooperation accessible stereoplasm that switches axle and first sealing washer supports when water pressure is great in the cavity for switching the axle and switching the phenomenon that can not appear leaking between the hole.
2. The second sealing ring is clamped between the switching shaft and the hole wall of the abdicating hole, so that water in the cavity cannot flow out from the abdicating hole, and the accuracy of pressure in the cavity is guaranteed.
3. The switching shaft moves along the central axis direction of the switching hole, and the switching force can be further reduced.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic front view of a switching valve device according to a preferred embodiment.
Fig. 2 is a schematic cross-sectional view of a switching valve device according to a preferred embodiment.
Fig. 3 is an exploded perspective view of a switching valve device according to a preferred embodiment.
Fig. 4 is a schematic diagram illustrating a state in which a water outlet passage of a switching valve device according to a preferred embodiment is open.
Fig. 5 is a schematic diagram illustrating a state in which a water outlet passage of a switching valve device according to a preferred embodiment is closed.
Detailed Description
Referring to fig. 1 to 5, a preferred embodiment of a switching valve device includes a valve body 10 and a valve core.
The valve body 10 is provided with a water inlet channel 11, a water outlet channel 12 and an assembly cavity 13. As shown in fig. 4, the water inlet channel 11 and the water outlet channel 12 are both located on the same side of the assembly cavity 13, and the bottom surface of the assembly cavity 13 is communicated with the outlet of the water inlet channel 11 and the inlet of the water outlet channel 12. In this embodiment, a bubbler 14 is further disposed at the outlet of the water outlet channel 12.
The spool is mounted in the assembly chamber 13 and includes a first seal 21, a second seal 22, and a switching shaft 23.
The first sealing member 21 is fixed relative to the body 10 and forms a cavity 24 with the second sealing member 22.
The second sealing member 22 is fitted to the inlet of the outlet passage 12. The second sealing element 22 comprises a soft sealing gasket 221, a hard sealing gasket 222 sleeved in the soft sealing gasket 221 and a first sealing gasket 223, the hard sealing gasket 222 is provided with a switching hole 224 communicated with the cavity 24, the first sealing gasket 223 is limited in the switching hole 224, the hard sealing gasket 222 is provided with a pressure regulating hole 225 communicated with the cavity 24, and the switching shaft 23 moves between a sealing position in sealing fit with the first sealing gasket 223 to close the switching hole 224 and an opening position away from the first sealing gasket 223 to open the switching hole 224; the switching shaft 23 is movable to adjust the water pressure in the cavity 24 so that the second sealing member 22 seals or opens the inlet of the water outlet passage 12.
In the embodiment, the device also comprises a clamping ring 1, wherein the clamping ring 1 is fixedly connected with the hard sealing gasket and used for limiting the first sealing ring; the hole wall of the switching hole 224 is provided with a limiting table 2, and the first sealing ring 223 is limited between the limiting table 2 and the clamping ring 1. The snap ring 1 and the switching hole 224 can be in interference fit, and can also be fixed in a welding mode, a buckling mode and the like.
In this embodiment, the first sealing element 21 is provided with a relief hole 211, and the switching shaft 23 passes through the relief hole 211 and the end thereof is matched with the first sealing ring 223; a second seal ring 226 is further provided, and the second seal ring 226 is interposed between the switching shaft 23 and the hole wall of the relief hole 211. The pressing cover 27 is provided with a through hole 271 corresponding to the relief hole 211. As shown in fig. 2, a step surface is provided in the relief hole 211, and the second sealing ring 226 is limited between the gland 27 and the step surface.
In this embodiment, the switching shaft 23 is movable along the central axis direction of the switching hole 224.
In this embodiment, the water outlet area of the switching hole is larger than the water inlet area of the pressure regulating hole.
As shown in fig. 2 and 3, the bottom of the hard sealing gasket 222 is provided with a plurality of convex columns 227, and the tail ends of the convex columns 227 are provided with bosses 228; the soft sealing pad 221 is provided with a through groove 229, the through groove 229 is provided with an abutting surface which can abut against and match with the boss 228, and the boss 228 abuts against the abutting surface after the boss 227 passes through the through groove 229, so that the soft sealing pad 221 and the hard sealing pad 222 are fixed together. A return spring 28 is further disposed between the first sealing member 21 and the second sealing member 22, and the return spring 28 is provided with a pin 281, and the pin 281 always passes through the pressure adjusting hole 225.
In this embodiment, a driving mechanism is further included, and the driving mechanism is installed in the assembly cavity 13 and is in transmission connection with the switching shaft 23.
In this embodiment, the driving mechanism is a ball-point pen core structure, and the ball-point pen core structure includes a button 31, an upper toothed shaft 32, a lower toothed shaft 33, and a pressing spring 34, and the specific pressing principle is the prior art and is not described again. The button 31 is slidably mounted on the fixing base 26 and is drivingly connected with the upper toothed shaft 32, the lower toothed shaft 33 is fixedly connected with the switching shaft 23, the pressing spring 34 is sleeved outside the switching shaft 23, and two ends of the pressing spring are respectively connected with the switching shaft 23 and the pressing cover 27.
As shown in fig. 3, the first sealing member 21 is an annular hard sealing member, and is further provided with a nut seat 25, a fixed seat 26 and a pressing cover 27, the first sealing member 21 is firstly covered on the second sealing member 22, the second sealing ring 226 is installed in the receding hole 211, the pressing cover 27 is abutted against the outer side of the second sealing ring 226, then the switching shaft 23, the pressing spring 34, the upper toothed shaft 32, the lower toothed shaft 33 and the fixed seat 26 are installed, and finally the nut seat 26 is screwed with the wall of the assembly cavity 13 to fix the fixed seat 26.
The switching valve device has the working principle that:
as shown in fig. 4, the button 31 is pressed to push the switching shaft 23 to move towards the direction of the first sealing member 21 by the ball-point pen core structure until the switching shaft 23 is separated from the first sealing ring 223, at this time, the switching hole 224 is opened, water flows into the water outlet channel 12 from the cavity 24, at this time, the pressure inside the cavity 24 becomes small, under the action of the water pressure, the second sealing member 22 moves towards the direction of the first sealing member 21 to leave the inlet of the water outlet channel 12, the water inlet channel 11 is communicated with the water outlet channel 12, and water flows out of the valve body 10 after flowing through the bubbler 14 from the water outlet channel 12;
as shown in fig. 5, the button 31 is pressed to push the switching shaft 23 to move towards the direction of the second sealing member 22 by the ball-point pen core structure until the switching shaft 23 is in sealing fit with the first sealing ring 223, at this time, the switching hole 224 is closed, water flows in from the water inlet channel 11 and enters the cavity 24 through the pressure regulating hole 225 to fill the cavity 24, at this time, the pressure in the cavity 24 is greater than the sum of the pressures of the water inlet channel 11 and the water outlet channel 12, the second sealing member 22 seals the inlet of the water outlet channel 12 under the action of the pressure difference, and the water inlet channel 11 is disconnected from the water outlet channel 12;
by adopting the switching valve device, a user does not need to continuously press the button 31, and the driving mechanism only needs to control the switching shaft 23 to reciprocate, namely, the water flow can be controlled to be closed and opened, so the switching force is small.
A faucet employing the switching valve apparatus of any one of the above claims, the faucet being provided with the switching valve apparatus.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.
Claims (10)
1. A switching valve device characterized in that: it includes:
the valve body is provided with a water inlet channel, a water outlet channel and an assembly cavity;
the valve core is arranged in the assembly cavity and comprises a first sealing element, a second sealing element and a switching shaft, the first sealing element is fixed relative to the body, a cavity is formed between the first sealing element and the second sealing element, the second sealing element is matched with the inlet of the water outlet channel, the second sealing element comprises a soft sealing gasket, a hard sealing gasket sleeved in the soft sealing gasket and a first sealing ring, the hard sealing gasket is provided with a switching hole communicated with the cavity, the first sealing ring is limited in the switching hole, the hard sealing gasket is also provided with a pressure regulating hole communicated with the cavity, and the switching shaft moves between a sealing position where the switching hole is closed through sealing matching with the first sealing ring and an opening position where the switching hole is opened through leaving the first sealing ring;
the movable switching shaft is used for adjusting the water pressure in the cavity so as to enable the second sealing element to seal or open the inlet of the water outlet channel.
2. A switching valve device according to claim 1, characterized in that: still be equipped with reset spring between first sealing member and the second sealing member, this reset spring is equipped with a contact pin, and this contact pin passes the pressure regulating hole all the time.
3. A switching valve device according to claim 1, characterized in that: the clamping ring is fixedly connected with the hard sealing gasket and used for limiting the first sealing ring; the hole wall of the switching hole is provided with a limiting table, and the first sealing ring is limited between the limiting table and the clamping ring.
4. A switching valve device according to claim 1, characterized in that: the first sealing element is provided with a yielding hole, the switching shaft penetrates through the yielding hole, and the tail end of the switching shaft is in switching fit with the first sealing ring; and a second sealing ring is arranged and clamped between the switching shaft and the hole wall of the abdicating hole.
5. A switching valve device according to claim 1, characterized in that: the switching shaft moves along the direction of the central axis of the switching hole.
6. A switching valve device according to claim 5, characterized in that: the driving mechanism is arranged in the assembling cavity and is in transmission connection with the switching shaft; the driving mechanism is of a ball-point pen refill structure.
7. A switching valve device according to claim 1, characterized in that: the water outlet area of the switching hole is larger than the water inlet area of the pressure regulating hole.
8. A switching valve device according to claim 1, characterized in that: the water inlet channel and the water outlet channel are both positioned on the same side of the assembly cavity.
9. A switching valve device according to claim 1, characterized in that: and a bubbler is also arranged at the outlet of the water outlet channel.
10. A faucet using the switching valve device according to any one of claims 1 to 9, characterized in that: the tap is provided with the switching valve device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921648056.2U CN211039725U (en) | 2019-09-29 | 2019-09-29 | Switching valve device and faucet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921648056.2U CN211039725U (en) | 2019-09-29 | 2019-09-29 | Switching valve device and faucet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211039725U true CN211039725U (en) | 2020-07-17 |
Family
ID=71530930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921648056.2U Active CN211039725U (en) | 2019-09-29 | 2019-09-29 | Switching valve device and faucet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211039725U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981161A (en) * | 2020-07-29 | 2020-11-24 | 九牧厨卫股份有限公司 | Press diverter valve and tap |
-
2019
- 2019-09-29 CN CN201921648056.2U patent/CN211039725U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981161A (en) * | 2020-07-29 | 2020-11-24 | 九牧厨卫股份有限公司 | Press diverter valve and tap |
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