WO2022032969A1

WO2022032969A1 - Delay valve device and faucet

Info

Publication number: WO2022032969A1
Application number: PCT/CN2020/139800
Authority: WO
Inventors: 魏志坚; 赵振文; 但堂俊
Original assignee: 厦门松霖科技股份有限公司
Priority date: 2020-08-10
Filing date: 2020-12-27
Publication date: 2022-02-17
Also published as: CN114076225A

Abstract

A delay valve device and a faucet. The delay valve device comprises a valve body component (1), a valve core (2), and a driving rod (3); the valve body component (1) comprises a valve body (11); the valve body (11) mates with the valve core (2) to constitute a pilot valve; the driving rod (3) is slidably connected to the valve body component (1), and the opening and closing of the pilot valve is slidably controlled by means of the driving rod (3); a one-way valve (311) is provided outside the driving rod (3), and a gap between the driving rod (3) and the valve body component (1) is divided into a first air cavity (312) and a second air cavity (313) by means of the one-way valve (311); air in the second air cavity (313) can enter the first air cavity (312) through the one-way valve (311); the driving rod (3) is provided with a communication channel for enabling the first air cavity (312) to be communicated with the second air cavity (313); the driving rod (3) is further movably connected to an adjustment rod (33); an air passing area of the communication channel is movably adjusted by means of the adjustment rod (33) to adjust a delay duration; the valve core only serves as a switch and does not play a role in the delay duration; the delay is not greatly affected by a water pressure.

Description

Delay valve device and faucet

technical field

The invention relates to the technical field of waterway control, in particular to a delay valve device and a faucet.

Background technique

The existing time delay valve device includes a valve body part, a valve core and a drive rod; the valve body part includes a valve body, the valve body and the valve core cooperate to form a pilot valve, and the drive rod is slidably connected to the valve body part and drives The rod and the valve core are assembled together to control the switch of the pilot valve by sliding the driving rod. The pressure change controls the pilot valve switch. For example, after the pressure relief water circuit is closed, the water pressure controls the pilot valve to close. There is a time difference between the pressure relief water circuit closing and the pilot valve closing, and the time difference acts as a delay. In the existing time delay valve device, the valve core not only plays the role of controlling the opening and closing of the pilot valve, but also plays the role of time delay. The time delay of the time delay valve device cannot be adjusted, so further improvement is necessary.

SUMMARY OF THE INVENTION

The present invention provides a delay valve device and a faucet, which overcome the shortcomings of the delay valve device in the background art.

One of the technical solutions adopted by the present invention to solve the technical problem is: a delay valve device, including a valve body part, a valve core and a driving rod; the valve body part includes a valve body, and the valve body and the valve core cooperate to form a pilot valve; the drive rod is slidably connected to the valve body part, and the pilot valve switch is controlled by sliding the drive rod; the drive rod is equipped with a check valve, and the gap between the drive rod and the valve body part is divided into a first air cavity by the check valve and the second air cavity, the gas of the second air cavity can enter the first air cavity through the one-way valve, the driving rod is provided with a connecting channel connecting the first air cavity and the second air cavity, and the driving rod is also movably connected There is an adjustment rod, and the air passage area of the connecting channel can be adjusted through the movement of the adjustment rod to adjust the delay time.

In one embodiment, an attachment groove is concavely formed on the outer end surface of the drive rod, and the drive rod is further provided with a first through groove connecting the first air cavity and a second air cavity passing through the inside and outside of the attaching groove. The second through groove, the connecting channel includes the above-mentioned first through groove, the second through groove and the area between the first through groove and the second through groove; In the groove, the gap area between the adjusting rod and the groove wall of the connecting groove constitutes the air passage area of the connecting channel.

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

In one embodiment: the attachment slot has an attachment section and an adjustment section, the adjustment section is located between the first through slot and the second through slot; the adjustment rod has a connecting section and a conical section, the connecting section is screwed on The attachment segment and the tapered segment are at least partially inserted into the adjustment segment to control the gap area by the depth of insertion of the adjustment rod.

In one embodiment, a first elastic body is arranged between the driving rod and the valve body part, and the first elastic body presses against the driving rod and pushes the driving rod outside.

In one embodiment: the driving rod includes a central rod and a linkage rod, the linkage rod is arranged in the valve body, the outer end of the linkage rod passes through the pressure relief hole and protrudes out of the valve body, and the outer end of the linkage rod is fixedly located outside the valve body The valve body is provided with a pressure relief hole, and whether the pressure relief hole is sealed is controlled by sliding the linkage rod, and a second elastic body is arranged between the valve core and the valve body.

In one embodiment: the one-way valve is installed outside the center rod, the first air cavity and the second air cavity are both formed between the center rod and the valve body part, and the adjustment rod is connected to the center rod.

In one embodiment, the valve body includes a connecting seat and a cover body with a sealing and fixing cover connected to the connecting seat, a valve cavity is formed between the connecting seat and the cover body, and the valve core is arranged in the valve cavity and divides the valve cavity into two parts. forming a pressure cavity and a water outlet cavity, the cover body is provided with the above-mentioned pressure relief hole, and the pressure relief hole is connected to form a pressure cavity and is arranged through; the valve body part also includes a center seat, the center seat is fixed on the cover body and A pressure relief waterway connected to the pressure relief hole is arranged between the center seat and the cover body; the center rod is slidably connected in the center seat, and the outer end of the linkage rod extends into the center seat.

In one embodiment, the first air cavity and the second air cavity are arranged in the gap formed between the center seat and the center rod.

In one embodiment: the valve body part further includes a base part, and the base part is provided with two water inlets that can be connected to cold and hot water respectively; the valve body can be rotatably connected to the base part, and the valve body is provided with a valve cavity and The mixed water circuit is connected to the valve cavity, and the valve core is arranged in the valve cavity. The mixed water circuit cooperates with the two inlet water paths to control the water temperature of the mixed water circuit through the rotation of the valve body.

The second technical solution adopted by the present invention to solve the technical problem is: a delay valve device, including a valve body part, a valve core and a driving rod; the valve body part includes a valve body, the valve body is provided with a valve cavity, and the valve body is provided with a valve cavity. The core is arranged in the valve cavity and divides the valve cavity into a pressure cavity and a water outlet cavity. The valve body and the valve core cooperate to form a pilot valve; the driving rod is slidably connected to the valve body part, and the driving rod and the valve core are assembled together to form a pilot valve. The pilot valve switch is controlled by sliding the driving rod; the valve core is equipped with a one-way valve, and the water flow of the pressure cavity can enter the water outlet cavity through the one-way valve. The driving rod is also movably connected with an adjusting rod, and the water passing area of the connecting channel is movably adjusted by the adjusting rod to adjust the delay time.

In one embodiment, an attachment groove is concavely formed on the outer end surface of the drive rod, and the drive rod is further provided with a first through groove connected to the water outlet cavity and a second through groove connected to the water outlet cavity through the inside and outside of the attachment groove , the connecting channel includes the first through slot, the second through slot and the area between the first through slot and the second through slot; the adjustment rod can be adjusted in the attachment slot, the The gap area between the adjusting rod and the wall of the connecting groove constitutes the water passing area of the connecting channel.

In one embodiment: the valve body is provided with a water outlet hole that penetrates inside and outside to connect to the water outlet cavity; the driving rod includes a central rod and a linkage rod, and the inner end of the central rod passes through the water outlet hole from the outside to the inside and extends into the valve cavity Inside, the central rod is provided with a sealing ring that can seal the water outlet, the linkage rod is fixed on the inner end of the central rod; an attachment segment, an adjustment segment is recessed at the bottom of the groove of the second attachment segment, the adjustment rod has a connection segment and a conical segment, the connection segment is attached to the first attachment segment, and the conical segment is at least partially inserted into the adjustment segment , so as to control the gap area through the insertion depth of the adjusting rod; the connecting groove includes the above-mentioned first connecting section, second connecting section and adjusting section.

In one embodiment, the first through groove is disposed through the first attachment section, and the second through groove is disposed through the inner end of the adjustment section.

In one embodiment: the valve body is provided with a water outlet hole that penetrates through the inside and outside to connect to the water outlet cavity and a recessed fitting groove that is connected to the pressure cavity; the inner end of the central rod passes through the water outlet hole from the outside to the inside and extends into the water outlet hole. In the valve cavity, a first sealing ring capable of sealing the water outlet hole is arranged outside the central rod, the linkage rod is fixed on the inner end of the central rod, and a second sealing ring is fixed outside the linkage rod, and the second sealing ring is slidably connected In the matching groove; the first sealing ring is balanced by the water pressure force and the second sealing ring is subjected to the water pressure force.

The third technical solution adopted by the present invention to solve the technical problem is: a faucet, which is provided with the delay valve device.

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

Adjust the air passage area of the connecting channel through the movement of the adjusting rod to adjust the delay time. The valve core only acts as a switch and does not function as a delay time, so the delay will not be greatly affected by the water pressure; the medium is air, and the water temperature changes. The time has little effect on the delay time; the principle of pilot valve is adopted, and the operating force value is small.

The connecting channel includes the first through slot, the second through slot and the area between the first through slot and the second through slot, and the gap area between the adjusting rod and the wall of the connecting slot constitutes the air passage area of the connecting channel , The adjustment is convenient and fast, and the structure is compact.

The connecting section is screwed on the connecting section and the tapered section is inserted into the adjusting section at least partially, so as to control the gap area through the insertion depth of the adjusting rod, the adjustment is convenient and fast, and the structure is compact.

Both the first air cavity and the second air cavity are formed between the central rod and the valve body part to avoid the delay caused by the water temperature.

The drive rod is also movably connected with an adjustment rod, through which the water passage area of the connecting channel can be adjusted to adjust the delay time. too big.

The central rod is provided with a first attachment section arranged through it, the end face of the linkage rod is concavely provided with a second attachment section, the groove bottom of the second attachment section is concavely provided with an adjustment section, the adjustment rod has a connection section and a conical section, and the connection section Attached to the first attachment section, the tapered section is at least partially inserted into the adjustment section, so as to control the gap area through the insertion depth of the adjustment rod, the adjustment is convenient and fast, and the structure is compact.

The force of the first sealing ring and the force of the second sealing ring are balanced by the water pressure, reducing the pressing force and preventing the water pressure from affecting the pressing.

Description of drawings

The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a three-dimensional half-section exploded schematic diagram of a delay valve device according to a first embodiment.

FIG. 2 is a three-dimensional half-section schematic diagram of a center rod according to Embodiment 1. FIG.

FIG. 3 is a three-dimensional half-section schematic diagram of the adjusting rod according to the first embodiment.

FIG. 4 is one of the schematic cross-sectional views of the delay valve device according to the first embodiment. The on-off valve closes the water and is in the first delay state.

5 is the second schematic cross-sectional view of the delay valve device according to the first embodiment, the switch valve is boiling water and is in the second delay state.

FIG. 6 is the third schematic sectional view of the delay valve device in the first embodiment, the on-off valve closes the water.

FIG. 7 is one of the schematic cross-sectional views of the delay valve device in the second embodiment, the on-off valve closes the water.

FIG. 8 is the second schematic cross-sectional view of the delay valve device according to the second embodiment, the switch valve boils water.

Fig. 9 is one of the cross-sectional schematic diagrams of the delay valve device in the third embodiment, the on-off valve closes the water.

Fig. 10 is the second schematic diagram of the section of the delay valve device in the third embodiment, the switch valve boils water.

FIG. 11 is one of the schematic cross-sectional views of the delay valve device in the fourth embodiment, the on-off valve closes the water.

Figure 12 is the second schematic cross-sectional view of the delay valve device in the fourth embodiment, the switch valve boils water.

FIG. 13 is a three-dimensional schematic diagram of the faucet according to the fourth embodiment.

FIG. 14 is a schematic cross-sectional view of the faucet according to the fourth embodiment.

Label description:

Example 1 Labels: valve body part 1, valve core 2, driving rod 3; valve body 11, base part 12, center seat 13, second elastic body 14, water replenishment hole 15; connecting seat 111, cover body 112, valve cavity 113. Mixing water circuit 114, pressure relief hole 115, pressure relief water circuit 116, pressure forming chamber 117, water outlet chamber 118, water inlet circuit 121; central rod 31, linkage rod 32, adjusting rod 33, first elastic body 34; one-way valve 311, the first air cavity 312, the second air cavity 313, the first through groove 314, the second through groove 315, the attachment section 316, the adjustment section 317, the connection section 331, the conical section 332;

Labels of the second embodiment: forming a pressure seat 21, a second Y-shaped ring 22;

The symbols of the third embodiment: the water outlet hole 119 , the first attachment section 318 , the second attachment section 321 , the matching groove 1111 , and the second sealing ring 322 ;

Reference numerals of the fourth embodiment: reaming hole 323 , connecting head 324 , third through groove 325 , button 5 .

detailed description

Example 1

Please refer to Figure 1 to Figure 6, the delay valve device, including valve body part 1, valve core 2 and drive rod 3.

The valve body part 1 includes a valve body 11 , a base part 12 and a center seat 13 . The valve body 11 includes a connecting seat 111 and a cover body 112 which is sealed and fixed on the connecting seat 111. 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 therethrough. The cover body 112 is provided with a pressure relief hole 115 disposed therethrough. The center seat 13 is fixed on the cover body 112, and a pressure relief water channel 116 connected to the pressure relief hole 115 is arranged between the center seat 13 and the cover body 112, and the pressure relief water channel is connected to the water outlet of the delay valve device (the valve body is connected to A water outlet that leads out of the water cavity to allow water to flow out). The base member 12 is provided with two water inlet passages 121 that can be respectively connected to hot and cold water; the connecting seat 111 can be rotatably connected to the base member 12, the mixed water passage 114 is connected to the valve cavity 113, the mixed water passage 114 and the two water inlet passages 121 cooperate to control the water temperature of the mixed water circuit 114 through the rotation of the central seat 13 and the valve body 11 together. In the specific structure, a casing 1301 is also provided outside the central seat, and the central seat and the valve body are fixedly mounted together through the casing. The outer port of the center seat is fixed with an outer cover 1302, and the outer end of the center rod protrudes 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 cavity 117 and a water outlet cavity 118 . The valve body 11 cooperates with the valve core 2 to form a pilot valve. The drive rod 3 is slidably connected to the valve body part 1 , and the pilot valve switch is controlled by sliding the drive rod 3 . The pressure forming cavity 117 is provided with a second elastic body 14 , and the second elastic body abuts between the valve core and the cover body 112 . In this embodiment, the valve core 2 includes a cup and a cup seat 201 , the periphery of the cup is fixed on the inner wall of the valve body 11 , and the cup is mounted outside the cup seat 201 .

The driving rod 3 includes a central rod 31 and a linkage rod 32 , the central rod 31 is slidably connected in the central seat 13 , and the outer end of the linkage rod 32 slides from the inside of the valve body 11 through the pressure relief hole 115 and extends out of the valve body 11 The inner end of the central rod 31 which extends into the central seat and is fixed outside the valve body 11 . Whether the pressure relief hole 115 is sealed is controlled by sliding the linkage rod 32 to control the opening and closing of the pilot valve, as shown in FIG. 4 and FIG. 5 . The drive rod 3 and the spool 2 are attached together to control the pilot valve on/off by controlling the spool to slide or deform as needed.

The central rod 31 is provided with a one-way valve 311, and the gap between the central rod 31 and the central seat 13 is divided into a first air cavity 312 and a second air cavity 313 by the one-way valve 311, and the first air cavity can be connected to The first air cavity 312 and the second air cavity 313 are respectively arranged on the upper and lower sides of the one-way valve 311, and the central rod 31 is provided with a connection to the first air cavity 312 and the second air cavity. The connecting channel of 313, the center rod 31 is also movably connected with an adjusting rod 33, and the air passage area of the connecting channel is adjusted through the adjusting rod 33 to adjust the delay time. The smaller the gap, the longer the delay time, as shown in Figure 4 and As shown in Figure 5, different delay time lengths are represented. A first elastic body 34 is disposed between the center rod 31 and the bottom wall of the center seat 13 , the first elastic body 34 abuts the center rod 31 and the outer driving rod, the first elastic body is such as a spring, and the spring is sleeved on the center rod 31 Outside and abuts against the bottom wall of the center seat 13 and the outer end of the center rod 31 protruding ring convex. In the specific structure, an attachment groove is concavely formed on the outer end surface of the central rod 31, and the central rod 31 is further provided with a first through groove 314 connecting the first air cavity and connecting the second air cavity through the inside and outside of the attaching groove The second through groove 315, the first through groove 314 and the second through groove 315 are respectively arranged on the upper and lower sides of the one-way valve 311, and the connecting channel includes the first through groove, the second through groove and the connecting groove. The area between the first through slot and the second through slot; the attachment slot has an attachment section 316 and a cylindrical adjustment section 317, the adjustment section 317 is located between the first through slot and the second through slot; the The adjusting rod 33 has a connecting section 331 and a conical section 332, the connecting section 331 is screwed on the connecting section and 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 The air passage area of the connecting channel is formed to control the gap area by adjusting the insertion depth of the rod; the one-way valve 311 is provided with a convex part on the outer ring of the central rod, and the outer peripheral surface of the convex part is concavely provided with a ring groove, and the ring groove is installed in the ring groove. The first Y-ring realizes the one-way function through the deformation of the first Y-ring.

In the delay valve device of the first embodiment, as shown in FIG. 5 , the center rod 31 is pressed to move downward, and the air quickly enters the first air chamber 312 from the second air chamber 313 through the one-way valve 311 ; after releasing the pressing, the center The rod 31 moves upward under the action of the first elastic body 34, and the gas in the first air chamber 312 enters the second air chamber 313 through the connecting channel. Due to the small taper gap, the time for the central rod to move upward can be very long. The size of the gap with taper, so that the delay time can be adjusted.

In the delay valve device of the first embodiment, as shown in FIG. 4 and FIG. 5 , after the cold and hot water from the bottom inlet are mixed, when the linkage rod seals the pressure relief hole 115 , the water enters from the water mixing channel and the water replenishment hole 15 . The pressure chamber 117 is formed. At this time, the valve core is sealed by the back pressure of the pressure chamber 117, and the pilot valve is closed; when the center rod moves downward and is separated from the pressure relief hole, that is, when the pressure relief hole is opened, the pressure chamber 117 is released at this time. Pressure, open the pilot valve, so as to discharge water. The details are as follows: Closed state: when the linkage rod moves upward to seal the pressure relief hole, the upper chamber (a pressure chamber) is filled with water, and the valve core is subjected to the water pressure of the upper chamber and the spring force of the first elastic body, so that the valve core downwards and The connection seat is sealed, and the water passage is closed; in the open state: the central rod is pressed to move downward, the linkage rod moves downward, the pressure relief hole is opened, and the water in the upper chamber of the valve core (a pressure chamber) is discharged to the water outlet and the pressure is released. When the valve core is subjected to the upward force of the water pressure, the water channel is opened; the delayed water outlet state: cancel the pressing, the center rod is recovered upward by the upward force of the first elastic body, and when the linkage rod closes the pressure relief hole, the water will be replenished from the water. The hole is filled with water and pressurized into the pressure chamber, coupled with the elastic force of the second elastic body, the valve core is slowly pushed down to the closed position of the water passage; delay time adjustment: by turning the adjusting rod with the tool to move up or down, The hole gap between the center rod and the adjustment rod will become larger or smaller, and the delay time will be changed.

The delay valve device of the first embodiment can produce the following technical effects: 1. The traditional pilot-operated cup not only acts as a switch, but also acts as a delay, so that when the water pressure is high, it will have an impact on pressure relief or water replenishment, Therefore, the delay time is affected, and the leather cup in this embodiment only acts as a switch, and the delay mechanism (connecting channel, adjusting rod, etc.) is separated from the switch mechanism and does not affect each other, so it will not be greatly affected by the water pressure; 2. The medium is air, and the change of water temperature has little effect on the delay time; 3. The principle of pilot valve is adopted, and the operating force value is small.

Embodiment 2

Please refer to FIG. 7 and FIG. 8 , it differs from the first embodiment in that: the valve core 2 includes a pressure-forming seat 21 and a Y-ring 22 fixedly sleeved on the pressure-forming seat 21 , and the lower end of the linkage rod 32 can pass through The pressing seat 21 is formed, and the gap between the pressing seat 21 and the linkage rod 32 constitutes the above-mentioned water replenishing hole 15 .

Embodiment 3

Please refer to FIG. 9 and FIG. 10. The difference from the first embodiment is that: the cover body of the valve body 11 is provided with a water outlet hole 119 that penetrates through the inside and outside to connect to the water outlet cavity 118; the inner end of the center rod 31 goes from the outside to the inside Passing through the water outlet hole 119 and extending into the valve cavity 113 , the linkage rod 32 is arranged in the valve cavity 113 , and the linkage rod 32 is assembled with the valve core 2 to control the pilot valve switch by sliding the driving rod 3 . The valve core 2 is provided with a one-way valve 311. The water flow of the pressure-forming cavity 117 can enter the water-outlet cavity 118 through the one-way valve 311. An adjusting rod 33 is also movably connected to the rod 3, and the water passing area of the connecting channel is adjusted movably through the adjusting rod 33 to adjust the delay time.

The central rod 31 is provided with a first attachment section 318 disposed therethrough, the end face of the linkage rod 32 is concavely provided with a second attachment section 321, and the second attachment section 321 is concavely provided with an adjustment section 317 at the bottom of the groove. 331 is screwed on the first attachment section 318, and the tapered section 332 is at least partially inserted into the adjustment section 317 to control the gap area through the insertion depth of the adjustment rod; the attachment groove includes the above-mentioned first attachment section, second attachment section segment and adjustment segment. The central rod 31 is also provided with a first through groove 314 that penetrates the inside and outside of the first attachment section 318 and is connected to the water outlet cavity, and the linkage rod 32 is provided with a second through groove that penetrates the inner end of the adjustment section 317 and is connected to form a pressure cavity , the connecting channel includes the first through groove, the second through groove and the area between the first through groove and the second through groove.

The bottom surface of the connecting seat 111 of the valve body 11 is concavely provided with a matching groove 1111 which is connected to form a pressure cavity; the inner end of the center rod 31 passes through the water outlet hole from the outside to the inside and extends into the valve cavity. The first sealing ring 319 sealing the water outlet, the linkage rod 32 is fixed with a second sealing ring 322, and the second sealing ring 322 is slidably connected in the matching groove 1111; The two sealing rings are balanced by the force of water pressure to reduce the pressing force.

Embodiment 4

Please refer to FIG. 11 and FIG. 12 . The difference from the third embodiment is that the linkage rod 32 is arranged through the linkage rod 32 , a reaming hole 323 is arranged at the lower part of the linkage rod 32 , and a connecting head 324 is fixed in the lower port of the reaming hole 323 . The hole 323 is provided with a third through groove 325 which penetrates inside and outside; the adjusting rod passes through the connecting head 323 , and the connecting passage includes the third through groove, the reaming hole and the gap between the adjusting rod and the connecting head.

Please refer to FIG. 13 and FIG. 14 , which are application examples of the above-mentioned embodiments, specifically the application example of the fourth embodiment, the center rod is fixed with a button 5 , and the first elastic body abuts between the center seat base and the button , the above-mentioned delay valve device is installed in the faucet body 51 .

The above descriptions are only preferred embodiments of the present invention, so the scope of implementation of the present invention cannot be limited accordingly, that is, equivalent changes and modifications made according to the patent scope of the present invention and the contents of the description should still be covered by the present invention. within the range.

Industrial Applicability

The drive rod of the delay valve device of the present invention is provided with a one-way valve outside, and is divided into two air chambers through the one-way valve, a connecting channel is set between the two air chambers, and the gas in the second air chamber enters the first air chamber through the one-way valve, and is adjusted The rod adjusts the air passage area of the connecting channel to adjust the delay time, so the delay will not be greatly affected by the water pressure.

Claims

A delay valve device includes a valve body part, a valve core and a driving rod; the valve body part includes a valve body, and the valve body and the valve core cooperate to form a pilot valve; the driving rod is slidably connected to the valve body part and slides through the driving rod Control pilot valve switch; it is characterized in that: the drive rod is equipped with a one-way valve, and the gap between the drive rod and the valve body is divided into a first air cavity and a second air cavity through the one-way valve, and the second air cavity gas It can enter the first air cavity through the one-way valve. The driving rod is provided with a connecting channel connecting the first air cavity and the second air cavity. The driving rod is also movably connected with an adjusting rod. Air passage area to adjust the delay time.
The delay valve device according to claim 1, wherein an attachment groove is concavely formed on the outer end surface of the drive rod, and the drive rod is further provided with a first air cavity that penetrates inside and outside the attachment groove and is connected to the first air chamber. a through groove and a second through groove connected to the second air cavity, the connecting channel includes the area between the first through groove and the second through groove among the first through groove, the second through groove and the attachment groove; The adjusting rod can be adjusted in the connecting groove, and the gap area between the adjusting rod and the wall of the connecting groove constitutes the air passage area of the connecting channel.
The delay valve device according to claim 2, wherein the first air cavity and the second air cavity are respectively arranged on the upper and lower sides of the one-way valve, and the first through groove and the second through groove are respectively arranged in the single-way valve. to the upper and lower sides of the valve.
The delay valve device according to claim 2, characterized in that: the attachment slot has an attachment section and an adjustment section, the adjustment section is located between the first through slot and the second through slot; the adjustment rod has a connection section and The conical section is screwed on the attachment section and the conical section is at least partially inserted into the adjustment section, so as to control the gap area through the insertion depth of the adjustment rod.
The delay valve device according to 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 abuts the driving rod and pushes the driving rod outside.
The delay valve device according to 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, and the outer end of the linkage rod passes through the pressure relief hole and extend out of the valve body, the outer end of the linkage rod is fixedly connected to the central rod located outside the valve body; the valve body is provided with a pressure relief hole, and the sliding of the linkage rod controls whether the pressure relief hole is sealed or not, and a second valve core and the valve body are arranged between the valve body Elastomer.
The delay valve device according to claim 6, wherein the one-way valve is installed outside the center rod, the first air cavity and the second air cavity are both formed between the center rod and the valve body part, the adjustment The rod is attached to the center rod.
The delay valve device according to claim 6, wherein the valve body comprises a connecting seat and a cover body with a sealing and fixing cover connected to the connecting seat, a valve cavity is formed between the connecting seat and the cover body, and the valve core is provided with Inside the valve cavity and dividing the valve cavity into a pressure cavity and a water outlet cavity, the cover body is provided with the above-mentioned pressure relief hole, and the pressure relief hole is connected to form a pressure cavity and is arranged through it; the valve body part also includes a center seat, The center seat is fixedly connected to the cover body, and a pressure relief water channel connected to the pressure relief hole is arranged between the center seat and the cover body; the center rod is slidably connected in the center seat, and the outer end of the linkage rod extends into the center seat.
The delay valve device according to claim 8, wherein the first air cavity and the second air cavity are arranged in the gap formed between the center seat and the center rod.
The delay valve device according to claim 1 or 2 or 3 or 4, characterized in that: the valve body part further comprises a base part, and the base part is provided with two water inlet channels which can be respectively connected to cold and hot water; the valve body part further comprises a base part. The body is rotatably connected to the base part, the valve body is provided with a valve cavity and a water mixing circuit, the mixing water circuit is connected to the valve chamber, the valve core is arranged in the valve chamber, and the mixing water circuit and the two inlet water circuits cooperate to be controlled by the rotation of the valve body Mixed water temperature.
The delay valve device includes a valve body part, a valve core and a driving rod; the valve body part includes a valve body, the valve body is provided with a valve cavity, and the valve core is arranged in the valve cavity and divides the valve cavity into a pressure cavity and a valve cavity. The water outlet cavity, the valve body and the valve core cooperate to form a pilot valve; the driving rod is slidably connected to the valve body part, and the driving rod and the valve core are assembled together to control the pilot valve switch through the sliding of the driving rod; it is characterized in that: the valve core Peripheral check valve, the water flow into the pressure cavity can enter the water outlet cavity through the check valve, the driving rod is provided with a connecting channel connecting the pressure cavity and the water outlet cavity, the driving rod is also movably connected with an adjustment rod, through the adjustment The rod movement adjusts the water passing area of the connecting channel to adjust the delay time.
The delay valve device according to claim 11, wherein an attachment groove is concavely formed on the outer end surface of the drive rod, and the drive rod is further provided with a first through groove that penetrates the inside and outside of the attachment groove and is connected to the water outlet cavity. and a second through groove connected to the water outlet cavity, the connecting channel includes the area between the first through groove and the second through groove among the first through groove, the second through groove and the attachment groove; the adjustment rod can It is adjusted and connected in the connecting groove, and the gap area between the adjusting rod and the groove wall of the connecting groove constitutes the water passing area of the connecting channel.
The delay valve device according to claim 12, characterized in that: the valve body is provided with a water outlet hole that penetrates inside and outside to connect to the water outlet cavity; the driving rod comprises a center rod and a linkage rod, and the inner end of the center rod goes from the outside to the outside. The inner rod passes through the water outlet hole and extends into the valve cavity, the central rod is provided with a sealing ring that can seal the water outlet hole, the linkage rod is fixed on the inner end of the central rod; the central rod is provided with a first attachment section arranged through , the end face of the linkage rod is concavely provided with a second attachment section, the groove bottom of the second attachment section is concavely provided with an adjustment section, the adjustment rod has a connection section and a conical section, and the connection section is attached to the first attachment section , the tapered section is at least partially inserted into the adjustment section to control the gap area through the insertion depth of the adjustment rod; the attachment groove includes the first attachment section, the second attachment section and the adjustment section.
The delay valve device according to claim 13, wherein the first through groove is disposed through the first attachment section, and the second through groove is disposed through the inner end of the adjustment section.
The delay valve device according to claim 13, characterized in that: the valve body is provided with a water outlet hole that penetrates inside and outside to connect to the water outlet cavity and a recessed matching groove that is connected to the pressure cavity; the inner end of the center rod is self The center rod is provided with a first sealing ring that can seal the water outlet, the linkage rod is fixed on the inner end of the center rod, and the linkage rod is externally fixed with a second seal ring. A sealing ring, the second sealing ring is slidably connected in the matching groove; the water pressure acting force of the first sealing ring and the water pressure acting force of the second sealing ring are balanced.
The delay valve device 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 presses against the driving rod and pushes the driving rod outside.
The faucet is characterized in that: the faucet is provided with the delay valve device according to claim 1 or 11.