CN212643696U

CN212643696U - Time delay valve device and faucet

Info

Publication number: CN212643696U
Application number: CN202021649042.5U
Authority: CN
Inventors: 魏志坚; 赵振文; 但堂俊
Original assignee: Xiamen Solex High Tech Industries Co Ltd
Current assignee: Xiamen Solex High Tech Industries Co Ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-03-02
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses a time delay valve device and a tap, wherein the time delay valve device comprises a valve body part, a valve core and a driving rod; the valve body component comprises a valve body, and the valve body is matched with the valve core to form a pilot valve; the driving rod is connected to the valve body part in a sliding manner and controls the switch of the pilot valve through the sliding of the driving rod; the driving rod is externally provided with a one-way valve, a gap between the driving rod and the valve body component is divided into a first air cavity and a second air cavity through the one-way valve, air in the second air cavity can enter the first air cavity through the one-way valve, the driving rod is provided with a communicating channel for communicating the first air cavity and the second air cavity, the driving rod is also movably connected with an adjusting rod, and the time delay is adjusted by adjusting the air passing area of the communicating channel. It has the following advantages: the time delay is adjusted by adjusting the air passing area of the adjusting rod movably and the valve core only acts as a switch and does not act as the time delay, so that the time delay is not greatly influenced by water pressure.

Description

Time delay valve device and faucet

Technical Field

The utility model relates to a water route control technical field especially relates to a time delay valve device and tap.

Background

The existing time delay valve device comprises a valve body part, a valve core and a driving rod; this valve body part includes the valve body, this valve body and case cooperation are in order to constitute the pilot valve, this actuating lever sliding connection connects together in valve body part and actuating lever and case dress in order to slide control pilot valve switch through the actuating lever, particularly, it is through the activity of actuating lever control case in order to control the break-make of pressure release water route, later recycle the water pressure change control pilot valve switch that the pressure release water route effect leads to, if, close the back at the pressure release water route and close through water pressure control pilot valve, there is time difference in this pressure release water route is closed to the pilot valve and is closed, this time difference plays the time delay effect. In the existing time delay valve device, the valve core not only plays a role of controlling the opening and closing of the pilot valve, but also plays a role of time delay, and the time delay of the time delay valve device cannot be adjusted, so that the time delay valve device has the need of further improvement.

SUMMERY OF THE UTILITY MODEL

The utility model provides a time delay valve device and tap, it has overcome the not enough that time delay valve device exists among the background art.

The utility model provides one of the technical scheme who adopts of its technical problem is: a time delay valve device comprises a valve body part, a valve core and a driving rod; the valve body component comprises a valve body, and the valve body is matched with the valve core to form a pilot valve; the driving rod is connected to the valve body part in a sliding manner and controls the switch of the pilot valve through the sliding of the driving rod; the driving rod is externally provided with a one-way valve, a gap between the driving rod and the valve body component is divided into a first air cavity and a second air cavity through the one-way valve, air in the second air cavity can enter the first air cavity through the one-way valve, the driving rod is provided with a communicating channel for communicating the first air cavity and the second air cavity, the driving rod is also movably connected with an adjusting rod, and the time delay is adjusted by adjusting the air passing area of the communicating channel.

In one embodiment: the outer end face of the driving rod is concavely provided with an installing groove, the driving rod is also provided with a first through groove which penetrates through the inside and the outside of the installing groove and is communicated with the first air cavity and a second through groove which is communicated with the second air cavity, and the communication channel comprises the first through groove, the second through groove and an area between the first through groove and the second through groove; the adjusting rod is adjustably connected in the attaching groove, and the gap area between the adjusting rod and the wall of the attaching groove constitutes the air passing area of the communication passage.

In one embodiment: the first air cavity and the second air cavity are respectively arranged on the upper side and the lower side of the one-way valve, and the first through groove and the second through groove are respectively arranged on the upper side and the lower side of the one-way valve.

In one embodiment: the mounting groove is provided with a mounting section and an adjusting section, and the adjusting section is positioned between the first through groove and the second through groove; the adjusting rod has a connecting section screwed to the attaching section and a tapered section at least partially inserted into the adjusting section to control a gap area by adjusting an insertion depth of the rod.

In one embodiment: a first elastic body is arranged between the driving rod and the valve body part, and the first elastic body props against the driving rod and props against the driving rod.

In one embodiment: the driving rod comprises a central rod and a linkage rod, the linkage rod is arranged in the valve body, the outer end of the linkage rod penetrates through the pressure relief hole and extends out of the valve body, and the outer end of the linkage rod is fixedly connected with the central rod positioned outside the valve body; the valve body is provided with a pressure relief hole, the linkage rod controls whether to seal the pressure relief hole in a sliding mode, and a second elastic body is arranged between the valve core and the valve body.

In one embodiment: the check valve is installed outside the center rod, the first air chamber and the second air chamber are both formed between the center rod and the valve body member, and the adjusting rod is connected to the center rod.

In one embodiment: the valve body comprises a connecting seat and a cover body which is fixedly covered on the connecting seat in a sealing way, a valve cavity is formed between the connecting seat and the cover body, the valve core is arranged in the valve cavity and divides the valve cavity into a pressure cavity and a water outlet cavity, the cover body is provided with the pressure relief hole, and the pressure relief hole is communicated with the pressure cavity and arranged in a penetrating way; the valve body part also comprises a central seat which is fixedly connected on the cover body, and a pressure relief waterway communicated with the pressure relief hole is arranged between the central seat and the cover body; the central rod is connected in the central seat in a sliding way, and the outer end of the linkage rod extends into the central seat.

In one embodiment: the first air cavity and the second air cavity are arranged in a gap formed between the center base and the center rod.

In one embodiment: the valve body component also comprises a base component, and the base component is provided with two water inlet paths which can be respectively communicated with cold water and hot water; the valve body can be rotatably connected to the base part, the valve body is provided with a valve cavity and a water mixing channel, the water mixing channel is connected with the valve cavity, the valve core is arranged in the valve cavity, and the water mixing channel is matched with the two water inlet channels to control the water temperature of the water mixing channel through the rotation of the valve body.

The utility model provides a second of the technical scheme of its technical problem's adoption: a time delay valve device comprises a valve body part, a valve core and a driving rod; the valve body part comprises a valve body, the valve body is provided with a valve cavity, the valve core is arranged in the valve cavity and divides the valve cavity into a pressure cavity and a water outlet cavity, and the valve body and the valve core are matched to form a pilot valve; the driving rod is connected with the valve body part in a sliding way, and the driving rod and the valve core are connected together in an assembling way so as to control the opening and closing of the pilot valve through the sliding of the driving rod; the valve core is externally provided with a one-way valve, water flow in the pressure forming cavity can enter the water outlet cavity through the one-way valve, the driving rod is provided with a communicating channel communicated with the pressure forming cavity and the water outlet cavity, the driving rod is also movably connected with an adjusting rod, and the time delay is adjusted by movably adjusting the water passing area of the communicating channel through the adjusting rod.

In one embodiment: the outer end face of the driving rod is concavely provided with an installing and installing groove, the driving rod is also provided with a first through groove which penetrates through the installing and installing groove and is communicated with the water outlet cavity and a second through groove which is communicated with the water outlet cavity, and the communication channel comprises the first through groove, the second through groove and an area between the first through groove and the second through groove of the installing and installing groove; the adjusting rod is adjustably connected in the attaching groove, and the gap area between the adjusting rod and the wall of the attaching groove forms the water passing area of the communication passage.

In one embodiment: the valve body is provided with a water outlet hole which penetrates through the inside and the outside to communicate with the water outlet cavity; the driving rod comprises a central rod and a linkage rod, the inner end of the central rod penetrates through the water outlet hole from outside to inside and extends into the valve cavity, a sealing ring capable of sealing the water outlet hole is arranged outside the central rod, and the linkage rod is fixedly connected to the inner end of the central rod; the central rod is provided with a first mounting section which penetrates through the central rod, the end face of the linkage rod is concavely provided with a second mounting section, the bottom of the second mounting section is concavely provided with an adjusting section, the adjusting rod is provided with a connecting section and a conical section, the connecting section is mounted on the first mounting section, and the conical section is at least partially inserted into the adjusting section so as to control the gap area through the insertion depth of the adjusting rod; the attachment slot includes the first attachment section, the second attachment section, and the adjustment section described above.

In one embodiment: the first through groove penetrates through the first mounting section, and the second through groove penetrates through the inner end of the adjusting section.

In one embodiment: the valve body is provided with a water outlet hole which penetrates through the inside and the outside to be communicated with the water outlet cavity and a matching groove which is concavely provided with a communicated pressing cavity; the inner end of the central rod penetrates through the water outlet hole from outside to inside and extends into the valve cavity, a first sealing ring capable of sealing the water outlet hole is arranged outside the central rod, the linkage rod is fixedly connected to the inner end of the central rod, a second sealing ring is fixedly arranged outside the linkage rod, and the second sealing ring is connected in a matching groove in a sliding mode; the first sealing ring is balanced with the second sealing ring by the water pressure acting force.

The third technical scheme of the utility model for solving the technical problem is: the faucet is provided with the time delay valve device.

Compared with the background technology, the technical scheme has the following advantages:

the time delay is adjusted by movably adjusting the air passing area of the communicating passage through the adjusting rod, the valve core only acts as a switch and does not act as the time delay, and the time delay is not greatly influenced by water pressure; the medium is air, and the influence on the delay time is small when the water temperature changes; and by adopting the pilot valve principle, the operating force value is small.

The communicating channel comprises a first through groove, a second through groove and an area between the first through groove and the second through groove of the mounting and dismounting groove, the air passing area of the communicating channel is formed by the gap area between the adjusting rod and the wall of the mounting and dismounting groove, and the communicating channel is convenient and rapid to adjust and compact in structure.

The connecting section is in threaded connection with the connecting section and the conical section is at least partially inserted into the adjusting section, so that the gap area is controlled by adjusting the insertion depth of the rod, the adjustment is convenient and quick, and the structure is compact.

The first air cavity and the second air cavity are formed between the central rod and the valve body component, so that time delay caused by water temperature is avoided.

Still swing joint has the regulation pole on the actuating lever, and is long when adjusting the time delay through adjusting the area of crossing water of regulation activity regulation intercommunication way, and the case only acts as the switch effect and does not play the long effect of time delay, then the time delay can not be influenced by the water pressure greatly.

The center rod is provided with a first connecting section penetrating through the linkage rod, the end face of the linkage rod is concavely provided with a second connecting section, the bottom of the second connecting section is concavely provided with an adjusting section, the adjusting rod is provided with a connecting section and a conical section, the connecting section is connected to the first connecting section, and at least part of the conical section is inserted into the adjusting section so as to control the gap area through the inserting depth of the adjusting rod, so that the adjusting is convenient and quick, and the structure is compact.

The first sealing ring is balanced by the water pressure acting force and the water pressure acting force of the second sealing ring, the pressing pressure degree is reduced, and the pressing is prevented from being influenced by the water pressure.

Drawings

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

FIG. 1 is a schematic perspective half-sectional exploded view of a time delay valve device according to an embodiment.

FIG. 2 is a perspective half-sectional view of a center rod according to an embodiment.

FIG. 3 is a schematic perspective half-section view of an adjustment lever according to an embodiment.

FIG. 4 is a schematic sectional view of a time-delay valve device according to an embodiment, in which the switch valve is in a first time-delay state when the switch valve is turned off.

FIG. 5 is a second cross-sectional view of the delay valve device according to the first embodiment, in which the switch valve is in the second delay state.

FIG. 6 is a third schematic sectional view of a delay valve device according to an embodiment, in which the switch valve shuts off water.

FIG. 7 is a schematic sectional view of a second embodiment of the delay valve device, in which the switch valve shuts off water.

FIG. 8 is a second schematic sectional view of the second time delay valve device of the second embodiment, the switch valve is for boiling water.

FIG. 9 is a schematic sectional view of a three-time delay valve device of an embodiment, wherein the switch valve shuts off water.

FIG. 10 is a schematic sectional view of the third time delay valve device of the embodiment, wherein the switch valve is used for boiling water.

FIG. 11 is a schematic sectional view of a four-time delay valve device according to an embodiment, wherein the switch valve is used for turning off water.

FIG. 12 is a second cross-sectional view of the fourth time delay valve device of the embodiment, the switch valve is used for boiling water.

FIG. 13 is a perspective view of an embodiment of a four-tap.

FIG. 14 is a schematic cross-sectional view of an embodiment of a four-tap.

Description of reference numerals:

example one label: the valve comprises a valve body component 1, a valve core 2 and a driving rod 3; the valve body 11, the base part 12, the center seat 13, the second elastic body 14 and the water replenishing hole 15; the water mixing valve comprises a connecting seat 111, a cover 112, a valve cavity 113, a water mixing circuit 114, a pressure relief hole 115, a pressure relief water circuit 116, a pressure forming cavity 117, a water outlet cavity 118 and a water inlet 121; a central rod 31, a linkage rod 32, an adjusting rod 33 and a first elastic body 34; the air pressure adjusting device comprises a one-way valve 311, a first air cavity 312, a second air cavity 313, a first through groove 314, a second through groove 315, an attachment section 316, an adjusting section 317, a connecting section 331 and a conical section 332;

example two reference numbers: a pressing base 21 and a second Y-shaped ring 22;

example three designations: the water outlet hole 119, the first mounting section 318, the second mounting section 321, the matching groove 1111 and the second sealing ring 322;

example four designations: counterbore 323, connector 324, third through groove 325, button 5.

Detailed Description

Example one

Referring to fig. 1 to 6, a time delay valve device includes a valve body 1, a valve core 2, and a driving rod 3.

The valve body part 1 comprises a valve body 11, a base part 12 and a central seat 13. The valve body 11 includes a connecting seat 111 and a cover body 112 covering the connecting seat 111 in a sealing and fixing manner, a valve cavity 113 is formed between the connecting seat 111 and the cover body 112, the connecting seat 111 is provided with a water mixing channel 114 arranged in a penetrating manner, and the cover body 112 is provided with a pressure relief hole 115 arranged in a penetrating manner. The central base 13 is fixed on the cover 112, and a pressure relief waterway 116 communicating with the pressure relief hole 115 is provided between the central base 13 and the cover 112, the pressure relief waterway communicates with a water outlet passage of the time delay valve device (a water outlet passage communicating with the water outlet chamber to enable water to flow out). The base part 12 is provided with two water inlet paths 121 which can be respectively communicated with cold water and hot water; the connecting base 111 is rotatably connected to the base member 12, the mixing passage 114 connects to the valve chamber 113, and the mixing passage 114 cooperates with the two water inlet passages 121 to control the water temperature of the mixing passage 114 through the rotation of the central base 13 and the valve body 11. In the specific structure, a shell 1301 is arranged outside the center seat, and the center seat and the valve body are fixedly arranged together through the shell. An outer cover 1302 is fixed to the outer port of the center base, and the outer end of the center rod extends out of the outer cover.

The valve core 2 is arranged in the valve cavity 113 and divides the valve cavity 113 into a pressure chamber 117 and a water outlet chamber 118, the pressure relief hole 115 is communicated with the pressure chamber 117, and the mixing passage 114 is communicated with the water outlet chamber 118. The valve body 11 and the valve core 2 cooperate to form a pilot valve, and the driving rod 3 is slidably connected to the valve body part 1 and slidably controls the opening and closing of the pilot valve through the driving rod 3. The pressure forming chamber 117 is provided with a second elastic body 14, which is pressed between the valve core and the cover 112. In this embodiment, the valve core 2 includes a cup and a cup seat 201, the cup is fixed to the inner wall of the valve body 11, and the cup is mounted outside the cup seat 201.

The driving rod 3 comprises a central rod 31 and a linkage rod 32, the central rod 31 is connected in the central seat 13 in a sliding manner, the outer end of the linkage rod 32 slides in the valve body 11, penetrates through the pressure relief hole 115, extends out of the valve body 11, extends into the central seat and is fixedly connected with the inner end of the central rod 31 positioned outside the valve body 11. The pilot valve switch is controlled by controlling whether the linkage rod 32 slides to seal the pressure relief hole 115 or not, as shown in fig. 4 and 5. The drive rod 3 and the spool 2 are attached together to control the pilot valve switch by controlling the spool to slide or deform as needed.

The central rod 31 is externally provided with a one-way valve 311, a gap between the central rod 31 and the central base 13 is divided into a first air cavity 312 and a second air cavity 313 through the one-way valve 311, the first air cavity can be communicated with the outside or not, the first air cavity 312 and the second air cavity 313 are respectively arranged at the upper side and the lower side of the one-way valve 311 as required, the central rod 31 is provided with a communicating channel communicated with the first air cavity 312 and the second air cavity 313, the central rod 31 is also movably connected with an adjusting rod 33, the air passing area of the communicating channel is movably adjusted through the adjusting rod 33 so as to adjust the time delay duration, the smaller the gap is, the longer the time delay duration is, and as shown in fig. 4 and 5, different time delay durations are. A first elastic body 34 is disposed between the central rod 31 and the bottom wall of the central seat 13, the first elastic body 34 pushes against the driving rod beyond the central rod 31, and the first elastic body is a spring which is sleeved outside the central rod 31 and pushes against the convex ring between the bottom wall of the central seat 13 and the outer end of the central rod 31. In the concrete structure: the outer end face of the center rod 31 is concavely provided with an attaching groove, the center rod 31 is also provided with a first through groove 314 which penetrates through the inside and the outside of the attaching groove and is communicated with the first air cavity and a second through groove 315 which is communicated with the second air cavity, the first through groove 314 and the second through groove 315 are respectively arranged at the upper side and the lower side of the check valve 311, and the communication channel comprises the first through groove, the second through groove and the area between the first through groove and the second through groove of the attaching groove; the attachment channel has an attachment section 316 and an adjustment section 317 having a cylindrical shape, the adjustment section 317 being located between the first through slot and the second through slot; the adjusting rod 33 is provided with a connecting section 331 and a conical section 332, the connecting section 331 is screwed on the connecting section, the conical section 332 is at least partially inserted into the adjusting section 317, and the gap area between the conical section 332 and the groove wall of the adjusting section 317 forms the air passing area of a communication channel so as to control the gap area by adjusting the insertion depth of the adjusting rod; the check valve 311 has a convex portion protruding from the outer ring of the center rod, and a ring groove recessed from the outer peripheral surface of the convex portion, and a first Y-ring is fitted in the ring groove, and a check function is realized by deformation of the first Y-ring.

In the time delay valve device of the first embodiment, as shown in fig. 5, the center rod 31 is pressed to move downward, and air rapidly enters the first air cavity 312 from the second air cavity 313 through the check valve 311; after the pressing is released, the central rod 31 moves upwards under the action of the first elastic body 34, the gas in the first air cavity 312 enters the second air cavity 313 through the communicating channel, and the tapered gap is small, so that the upward movement time of the central rod can be long, and the tapered gap can be adjusted, so that the delay time can be adjusted.

As shown in fig. 4 and 5, in the time delay valve device of the first embodiment, after cold water and hot water of bottom water are mixed, when the linkage rod seals the pressure relief hole 115, water enters the pressure forming cavity 117 from the water mixing path and the water supply hole 15, and at this time, the valve core is sealed by the back pressure of the pressure forming cavity 117, and the pilot valve is closed; when the central rod moves downwards and is separated from the pressure relief hole, namely the pressure relief hole is opened, the pressure forming cavity 117 releases pressure at the moment, and the pilot valve is opened, so that water flows out. The details are as follows: and (3) closing state: when the linkage rod moves upwards to seal the pressure relief hole, the upper cavity (pressure forming cavity) is filled with water, the valve core is pressed by the water pressure of the upper cavity and the spring force of the first elastic body, so that the valve core is downwards sealed with the connecting seat, and the water passage is closed; an opening state: pressing the central rod to move downwards, moving the linkage rod downwards, opening the pressure relief hole, discharging water in an upper cavity (a pressure forming cavity) of the valve core to a water outlet path and relieving pressure, and pressing the valve core upwards by the water to open the water passage path; the delayed water outlet state: when the linkage rod closes the pressure relief hole, water can be supplemented and pressurized from the water supplementing hole to the pressure forming cavity, and the valve core is slowly pushed downwards to a water passage closing position by the elasticity of the second elastic body; adjusting delay time: the adjusting rod rotates to move upwards or downwards through the tool rotation, the hole gap between the central rod and the adjusting rod is enlarged or reduced, and the delay time is changed.

The time delay valve device of the first embodiment can produce the following technical effects: 1. the traditional pilot leather cup not only has a switching function, but also has a delay function, so that the pressure relief or water supplement is influenced when the water pressure is high, so that the delay time is influenced, and the leather cup only has the switching function, and a delay mechanism (a communication channel, an adjusting rod and the like) is separated from the switching mechanism and does not influence each other, so that the leather cup is not influenced too much by the water pressure; 2. the medium is air, and the influence on the delay time is small when the water temperature changes; 3. and by adopting the pilot valve principle, the operating force value is small.

Example two

Referring to fig. 7 and 8, it is different from the first embodiment in that: the valve core 2 comprises a pressing seat 21 and a Y-shaped ring 22 fixedly sleeved on the pressing seat 21, the lower end of the linkage rod 32 can penetrate through the pressing seat 21, and a gap between the pressing seat 21 and the linkage rod 32 forms the water replenishing hole 15.

EXAMPLE III

Referring to fig. 9 and 10, the difference between the first embodiment and the second embodiment is: the cover body of the valve body 11 is provided with a water outlet hole 119 which penetrates through the inside and the outside to communicate with the water outlet cavity 118; the inner end of the central rod 31 passes through the water outlet hole 119 from outside to inside and extends into the valve cavity 113, the linkage rod 32 is arranged in the valve cavity 113, and the linkage rod 32 and the valve core 2 are connected together to control the opening and closing of the pilot valve by the sliding of the driving rod 3. The valve core 2 is externally provided with a one-way valve 311, water flow in the pressure forming cavity 117 can enter the water outlet cavity 118 through the one-way valve 311, the driving rod 3 is provided with a communication channel for communicating the pressure forming cavity 117 and the water outlet cavity 118, the driving rod 3 is also movably connected with an adjusting rod 33, and the water passing area of the communication channel is movably adjusted through the adjusting rod 33 so as to adjust the time delay.

The central rod 31 is provided with a first mounting section 318 arranged in a penetrating way, the end face of the linkage rod 32 is concavely provided with a second mounting section 321, the bottom of the second mounting section 321 is concavely provided with an adjusting section 317, the connecting section 331 is screwed on the first mounting section 318, and the conical section 332 is at least partially inserted into the adjusting section 317 so as to control the gap area by adjusting the insertion depth of the rod; the attachment slot includes the first attachment section, the second attachment section, and the adjustment section described above. The center rod 31 is further provided with a first through groove 314 penetrating through the inside and outside of the first attaching section 318 and communicating with the water outlet chamber, and the linkage rod 32 is provided with a second through groove penetrating through the inner end of the adjusting section 317 and communicating with the pressure forming chamber, wherein the communication channel comprises the first through groove, the second through groove and the region between the first through groove and the second through groove of the attaching groove.

The bottom surface of the connecting seat 111 of the valve body 11 is concavely provided with a matching groove 1111 communicated with a pressure forming cavity; the inner end of the central rod 31 penetrates through the water outlet hole from outside to inside and extends into the valve cavity, a first sealing ring 319 capable of sealing the water outlet hole is arranged outside the central rod, a second sealing ring 322 is fixedly arranged outside the linkage rod 32, and the second sealing ring 322 is connected in a matching groove 1111 in a sliding mode; the first sealing ring is balanced with the second sealing ring by the water pressure acting force so as to reduce the pressing force.

Example four

Referring to fig. 11 and 12, it is different from the third embodiment in that: the linkage rod 32 is arranged in a penetrating way, a reaming hole 323 is arranged at the lower part of the linkage rod 32, a connector 324 is fixedly arranged in the lower port of the reaming hole 323, and a third through groove 325 which penetrates through the inner part and the outer part is arranged in the reaming hole 323; the adjusting rod passes through the connecting head 323, and the communicating channel comprises a third through groove, a reaming hole and a gap between the adjusting rod and the connecting head.

Referring to fig. 13 and 14, which are application examples of the above embodiment, specifically, an application example of the fourth embodiment, the center rod is fixedly provided with a button 5, the first elastic body is abutted between the base of the center seat and the button, and the delay valve device is mounted in the faucet body 51.

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

1. A time delay valve device comprises a valve body part, a valve core and a driving rod; the valve body component comprises a valve body, and the valve body is matched with the valve core to form a pilot valve; the driving rod is connected to the valve body part in a sliding manner and controls the switch of the pilot valve through the sliding of the driving rod; the method is characterized in that: the driving rod is externally provided with a one-way valve, a gap between the driving rod and the valve body component is divided into a first air cavity and a second air cavity through the one-way valve, air in the second air cavity can enter the first air cavity through the one-way valve, the driving rod is provided with a communicating channel for communicating the first air cavity and the second air cavity, the driving rod is also movably connected with an adjusting rod, and the time delay is adjusted by adjusting the air passing area of the communicating channel.

2. The time delay valve assembly of claim 1, wherein: the outer end face of the driving rod is concavely provided with an installing groove, the driving rod is also provided with a first through groove which penetrates through the inside and the outside of the installing groove and is communicated with the first air cavity and a second through groove which is communicated with the second air cavity, and the communication channel comprises the first through groove, the second through groove and an area between the first through groove and the second through groove; the adjusting rod is adjustably connected in the attaching groove, and the gap area between the adjusting rod and the wall of the attaching groove constitutes the air passing area of the communication passage.

3. The time delay valve assembly of claim 2, wherein: the first air cavity and the second air cavity are respectively arranged on the upper side and the lower side of the one-way valve, and the first through groove and the second through groove are respectively arranged on the upper side and the lower side of the one-way valve.

4. The time delay valve assembly of claim 2, wherein: the mounting groove is provided with a mounting section and an adjusting section, and the adjusting section is positioned between the first through groove and the second through groove; the adjusting rod has a connecting section screwed to the attaching section and a tapered section at least partially inserted into the adjusting section to control a gap area by adjusting an insertion depth of the rod.

5. A time delay valve apparatus as claimed in claim 1 or 2 or 3 or 4, wherein: a first elastic body is arranged between the driving rod and the valve body part, and the first elastic body props against the driving rod and props against the driving rod.

6. A time delay valve apparatus as claimed in claim 1 or 2 or 3 or 4, wherein: the driving rod comprises a central rod and a linkage rod, the linkage rod is arranged in the valve body, the outer end of the linkage rod penetrates through the pressure relief hole and extends out of the valve body, and the outer end of the linkage rod is fixedly connected with the central rod positioned outside the valve body; the valve body is provided with a pressure relief hole, the linkage rod controls whether to seal the pressure relief hole in a sliding mode, and a second elastic body is arranged between the valve core and the valve body.

7. The time delay valve assembly of claim 6, wherein: the check valve is installed outside the center rod, the first air chamber and the second air chamber are both formed between the center rod and the valve body member, and the adjusting rod is connected to the center rod.

8. The time delay valve assembly of claim 6, wherein: the valve body comprises a connecting seat and a cover body which is fixedly covered on the connecting seat in a sealing way, a valve cavity is formed between the connecting seat and the cover body, the valve core is arranged in the valve cavity and divides the valve cavity into a pressure cavity and a water outlet cavity, the cover body is provided with the pressure relief hole, and the pressure relief hole is communicated with the pressure cavity and arranged in a penetrating way; the valve body part also comprises a central seat which is fixedly connected on the cover body, and a pressure relief waterway communicated with the pressure relief hole is arranged between the central seat and the cover body; the central rod is connected in the central seat in a sliding way, and the outer end of the linkage rod extends into the central seat.

9. The time delay valve assembly of claim 8, wherein: the first air cavity and the second air cavity are arranged in a gap formed between the center base and the center rod.

10. A time delay valve apparatus as claimed in claim 1 or 2 or 3 or 4, wherein: the valve body component also comprises a base component, and the base component is provided with two water inlet paths which can be respectively communicated with cold water and hot water; the valve body can be rotatably connected to the base part, the valve body is provided with a valve cavity and a water mixing channel, the water mixing channel is connected with the valve cavity, the valve core is arranged in the valve cavity, and the water mixing channel is matched with the two water inlet channels to control the water temperature of the water mixing channel through the rotation of the valve body.

11. A time delay valve device comprises a valve body part, a valve core and a driving rod; the valve body part comprises a valve body, the valve body is provided with a valve cavity, the valve core is arranged in the valve cavity and divides the valve cavity into a pressure cavity and a water outlet cavity, and the valve body and the valve core are matched to form a pilot valve; the driving rod is connected with the valve body part in a sliding way, and the driving rod and the valve core are connected together in an assembling way so as to control the opening and closing of the pilot valve through the sliding of the driving rod; the method is characterized in that: the valve core is externally provided with a one-way valve, water flow in the pressure forming cavity can enter the water outlet cavity through the one-way valve, the driving rod is provided with a communicating channel communicated with the pressure forming cavity and the water outlet cavity, the driving rod is also movably connected with an adjusting rod, and the time delay is adjusted by movably adjusting the water passing area of the communicating channel through the adjusting rod.

12. A time delay valve apparatus according to claim 11, wherein: the outer end face of the driving rod is concavely provided with an installing and installing groove, the driving rod is also provided with a first through groove which penetrates through the installing and installing groove and is communicated with the water outlet cavity and a second through groove which is communicated with the water outlet cavity, and the communication channel comprises the first through groove, the second through groove and an area between the first through groove and the second through groove of the installing and installing groove; the adjusting rod is adjustably connected in the attaching groove, and the gap area between the adjusting rod and the wall of the attaching groove forms the water passing area of the communication passage.

13. The time delay valve assembly of claim 12, wherein: the valve body is provided with a water outlet hole which penetrates through the inside and the outside to communicate with the water outlet cavity; the driving rod comprises a central rod and a linkage rod, the inner end of the central rod penetrates through the water outlet hole from outside to inside and extends into the valve cavity, a sealing ring capable of sealing the water outlet hole is arranged outside the central rod, and the linkage rod is fixedly connected to the inner end of the central rod; the central rod is provided with a first mounting section which penetrates through the central rod, the end face of the linkage rod is concavely provided with a second mounting section, the bottom of the second mounting section is concavely provided with an adjusting section, the adjusting rod is provided with a connecting section and a conical section, the connecting section is mounted on the first mounting section, and the conical section is at least partially inserted into the adjusting section so as to control the gap area through the insertion depth of the adjusting rod; the attachment slot includes the first attachment section, the second attachment section, and the adjustment section described above.

14. The time delay valve assembly of claim 13, wherein: the first through groove penetrates through the first mounting section, and the second through groove penetrates through the inner end of the adjusting section.

15. The time delay valve assembly of claim 13, wherein: the valve body is provided with a water outlet hole which penetrates through the inside and the outside to be communicated with the water outlet cavity and a matching groove which is concavely provided with a communicated pressing cavity; the inner end of the central rod penetrates through the water outlet hole from outside to inside and extends into the valve cavity, a first sealing ring capable of sealing the water outlet hole is arranged outside the central rod, the linkage rod is fixedly connected to the inner end of the central rod, a second sealing ring is fixedly arranged outside the linkage rod, and the second sealing ring is connected in a matching groove in a sliding mode; the first sealing ring is balanced with the second sealing ring by the water pressure acting force.

16. A time delay valve apparatus according to claim 11, wherein: a first elastic body is arranged between the driving rod and the valve body part, and the first elastic body props against the driving rod and props against the driving rod.

17. A faucet, characterized by: the tap is provided with a time delay valve device according to claim 1 or 11.