A water outlet valve and a water tap with flow regulation

Abstract

The present invention provides a water outlet valve with flow regulation, which comprises a valve body, a central rod, a rotary push switch, a flow regulation member and a seal; the rotary push switch and the central rod are axially interlocked and cooperated, and the rotary push switch and the flow regulation member are axially interlocked and connected; the flow regulation member changes the rotary motion around the axis into the up-and-down movement of the central rod along the axis; when the rotary push switch drives the central rod to move to a high position or a low position, the seal opens or closes the water outlet channel of the valve body; when the rotary push switch or the flow regulation member is rotated, the flow regulation member drives the central rod to move up and down along the axis, and the water passing area of the water outlet channel becomes larger or smaller accordingly; the central rod, the rotary push switch and the flow regulation member are coaxial and arranged from inside to outside. The present invention also provides a water outlet device equipped with the above water outlet valve.

Description

Technical Field

[0001] The invention relates to the field of bathrooms, and in particular to a push-to-discharge water valve core. Background Art

[0002] The current push valve core switch adopts a ballpoint pen ratchet structure. The general ballpoint pen ratchet structure includes a push rod, a movable ratchet and a fixed ratchet; the push rod moves up and down in the axial direction, and the movable ratchet needs to move up and down in the axial direction and rotate around the axis; the fixed ratchet is generally set on the shell to provide a high and low position limit for the movable ratchet; the working spring is against the movable ratchet, and the push rod is separated from the movable ratchet, so that the push rod is in a suspended state, there is a certain amount of shaking, and a relatively high height is required. Therefore, the height of the current water outlet valve is generally high and cannot be effectively reduced, and the structure cannot be more compact and is relatively loose. Summary of the invention

[0003] The main technical problem to be solved by the present invention is to provide a water outlet valve with flow regulation, which can simultaneously have the functions of water on / off and flow regulation, and is suitable for single-handle or double-handle use.

[0004] In order to solve the above technical problems, the present invention provides a water outlet valve with flow adjustment, comprising a valve body, a center rod, a rotary press switch, a flow adjustment member and a sealing member;

[0005] The rotary push switch cooperates with the center rod in an axial direction, and the rotary push switch is connected with the flow regulating member in an axial direction; the flow regulating member converts the rotary motion in an axial direction into the up and down movement of the center rod in an axial direction;

[0006] When the rotary push switch moves the center rod to a high position or a low position, the sealing member opens or closes the water outlet passage of the valve body; when the rotary push switch or the flow regulating member is rotated, the flow regulating member drives the center rod to move up and down along the axial direction, and the water flow area of the water outlet passage increases or decreases accordingly;

[0007] The central rod, the rotary push switch and the flow regulating member are coaxial and arranged from inside to outside.

[0008] In a preferred embodiment: it also includes a low-position positioning member;

[0009] The rotary push switch moves between a high position or a low position along the axial direction; the rotary push switch comprises an operating member and a rotary reversing member; the rotary reversing member comprises a reversing member for cooperating with a low-position positioning member, and a limiting member for locking with the low-position positioning member; the low-position positioning member comprises a limiting matching member and a reversing matching member arranged up and down along the axial direction, and a clearance channel arranged through the axial direction;

[0010] When the operating member is in the high position, the limiting member is aligned with the relief channel, and the reversing member and the reversing mating member are axially spaced apart by a certain distance; when the rotary push switch is in the low position, the limiting member passes through the relief channel, and the reversing member cooperates with the reversing mating member to drive the low-position positioning member to rotate axially by a certain angle, so that the limiting member and the limiting mating member are axially limited upward.

[0011] In a preferred embodiment: the low-position positioning member includes a ratchet slide rail member and a lower ratchet provided on the fixed seat; the rotary reversing member is an upper ratchet; the rotary reversing member and the reversing mating member are a first ratchet slope.

[0012] In a preferred embodiment: the inner side wall of the ratchet slide rail member is circumferentially provided with ratchet teeth blocks at intervals, and a relief channel is formed between two adjacent ratchet teeth blocks;

[0013] The first ratchet slope is provided on the side of the ratchet teeth block facing the upper ratchet.

[0014] In a preferred embodiment: the limiting member and the limiting mating member are a second ratchet slope; the second ratchet slope is provided on the side of the ratchet teeth block away from the rotary push switch.

[0015] In a preferred embodiment: a plurality of ribs are circumferentially provided on the upper side of the first ratchet slope along the axis of the upper ratchet; the second ratchet slope is provided on the upper surface of the ribs along the axis.

[0016] In a preferred embodiment: the flow regulating member includes an internal thread screw and an external thread screw, and the external thread screw is limitedly connected to the ratchet slide rail member along the rotation direction of the internal thread screw.

[0017] In a preferred embodiment: further includes a working spring, one end of the working spring is a fixed end, and the other end abuts against the rotary push switch; when the rotary push switch is in the low position or the high position, the working spring is always in a compressed state.

[0018] In a preferred embodiment: the sealing member includes a pressure-bearing seat and a leather cup, when the rotary push switch moves to the low position, the pressure relief hole of the pressure-bearing seat is closed by the central rod, the water pressure in the pressure-holding cavity between the leather cup and the valve body increases, driving the leather cup to move downward along the axis of the valve body to close the water outlet channel;

[0019] When the rotary push switch moves to the high position, the central rod opens the pressure relief hole of the leather cup, the water pressure in the pressure-holding cavity between the leather cup and the valve body decreases, driving the leather cup to move upward along the axis of the valve body to open the water outlet;

[0020] The leather cup does not deform after the pressure relief hole is opened.

[0021] In a preferred embodiment: The movable shaft and the pressure-bearing seat for the mounting leather cup are connected in a linkage manner. When the movable shaft moves upward, the pressure-bearing seat drives the leather cup to open the water outlet.

[0022] In a preferred embodiment: The low-position positioning member is a rotating ratchet; the rotation reversing member is a fixed ratchet; the rotation reversing member and the reversing mating member are a first ratchet slope.

[0023] In a preferred embodiment: The outer side wall of the rotating ratchet is provided with ratchet teeth blocks at intervals along the circumferential direction. A relief channel is formed between two adjacent ratchet teeth blocks. The first ratchet slope is provided on the side of the ratchet teeth block facing the fixed ratchet.

[0024] In a preferred embodiment: The limiting member and the limiting mating member are a second ratchet slope; the second ratchet slope is provided on the side of the ratchet teeth block away from the rotary push switch.

[0025] In a preferred embodiment: The second ratchet slope is provided below the first ratchet slope of the fixed ratchet along the axial direction.

[0026] In a preferred embodiment: The flow regulating member includes an internal thread screw rod and an external thread screw rod. The external thread screw rod is connected in a limited way with the ratchet slide rail member along the rotation direction of the internal thread screw rod.

[0027] In a preferred embodiment: The central rod is divided into a pressing shaft and a movable shaft; a boiling water spring is sleeved outside the movable shaft. When the rotary push switch is in the low position, the boiling water spring is compressed.

[0028] In a preferred embodiment: A water closing spring is sleeved outside the pressing shaft; when the rotary push switch is in the low position, the pressing shaft abuts against the movable shaft, and the water closing spring is compressed; the elastic restoring force of the water closing spring is greater than the elastic restoring force of the boiling water spring.

[0029] In a preferred embodiment: The sealing member includes a pressure-bearing seat and a leather cup. When the rotary push switch moves to the low position, the pressure relief hole of the pressure-bearing seat is closed by the movable shaft, the water pressure in the pressure holding cavity between the leather cup and the valve body increases, driving the leather cup to move downward along the valve body axis to close the water outlet channel;

[0030] When the rotary push switch moves to the high position, the movable shaft opens the pressure relief hole of the leather cup, the water pressure in the pressure holding cavity between the leather cup and the valve body decreases, driving the leather cup to move upward along the valve body axis to open the water outlet;

[0031] The leather cup does not deform after the pressure relief hole is opened.

[0032] The present invention also provides a faucet, which is equipped with a water outlet valve with flow regulation as described above.

[0033] In a preferred embodiment, the water outlet faucet is a fixed faucet or a pull-out faucet.

[0034] Compared with the prior art, the technical solution of the present invention has the following beneficial effects:

[0035] 1. For a water outlet valve with flow regulation provided by the present invention, since the central rod, the rotation and direction-changing member, and the flow regulation member are coaxially arranged from inside to outside. Such an arrangement can reduce the height and diameter of the valve core. In a traditional water outlet valve, the central rod is below the ratchet, so the heights of the central rod and the ratchet need to be added up, and the height of the valve core is relatively high.

[0036] 2. For a water outlet valve with flow regulation provided by the present invention, the ratchet and the ratchet slide rail member arranged up and down can replace the traditional ballpoint pen structure, further reducing the height and the number of components.

[0037] 3. For a water outlet valve with flow regulation provided by the present invention, when the central rod is lifted, it will drive the sealing member to move upward, thus avoiding the situation that the traditional water outlet valve cannot be opened at low pressure when relying solely on water pressure to open the sealing member.

[0038] 4. For a water outlet valve with flow regulation provided by the present invention, both rotating the operating member and the flow regulation member can achieve flow regulation, so it can be applied to single-handle or double-handle faucets. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0040] Figure 1 Is a perspective view of the faucet in the preferred embodiment of the present invention;

[0041] Figure 2 Is an exploded view of the core components of the water outlet valve in the first preferred embodiment of the present invention;

[0042] Figure 3 Is a sectional view of the water outlet valve in the closed state in the first preferred embodiment of the present invention;

[0043] Figure 4 Is a sectional view of the water outlet valve in the open state in the first preferred embodiment of the present invention;

[0044] Figure 5 Is a sectional view of the water outlet valve in the open state in the second preferred embodiment of the present invention;

[0045] Figure 6 Explosion diagram of the core component of the water outlet valve in the preferred embodiment 3 of the present invention;

[0046] Figure 7 Cross-sectional view of the water outlet valve in the water closing state in the preferred embodiment 3 of the present invention;

[0047] Figure 8 Cross-sectional view of the water outlet valve in the water opening state in the preferred embodiment 3 of the present invention. Detailed implementation manners

[0048] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0049] Embodiment 1

[0050] Reference Figure 1 As shown in [reference number], this embodiment provides a water outlet faucet, which includes a faucet body 1 and a water outlet valve 2 with flow regulation assembled on the faucet body 1. In this embodiment, the water outlet faucet is a fixed faucet, and as a simple replacement, it can also be a pull-out faucet.

[0051] Reference Figures 2 - 4 As shown in [reference number], the above-mentioned water outlet valve 2 with flow regulation includes a valve body 21, a central rod 22, a rotary push switch 23, a low-position positioning member 24, a flow regulation member 25, and a sealing member 26;

[0052] The rotary push switch 23 moves axially between a high position and a low position; the rotary push switch 23 includes an operating member 231 and a rotary direction-changing member 232. The rotary direction-changing member 232 includes a direction-changing member for cooperating with the low-position positioning member 24 and a limiting member 2323 for locking with the low-position positioning member 24; in this embodiment, the direction-changing member is preferably a downward inclined tooth 2321;

[0053] The low-position positioning member 24 includes a limiting and cooperating member 241 and a direction-changing and cooperating member 242 arranged axially up and down, and a relief channel 245 axially penetrating therethrough;

[0054] When the pressing operating member is at a high position, the limiting member 2323 is aligned with the clearance channel 245, and the lower beveled teeth 2321 and the reversing matching member 242 are spaced a certain distance apart along the axial direction; when the rotary pressing switch 23 is at a low position, the limiting member 2323 passes through the clearance channel 245, and the lower beveled teeth 2321 cooperate with the reversing matching member 242 to drive the low-position positioning member 24 to rotate around the axial direction by a certain angle, so that the limiting member 2323 and the limiting matching member 241 are limited upward along the axial direction;

[0055] The operating member 231 cooperates with the center rod 22 along the axial direction, and the flow regulating member 25 converts the rotational motion around the axial direction into the up and down movement of the center rod 22 along the axial direction;

[0056] When the operating member 231 moves downward and drives the center rod 22 to a high position or a low position, the sealing member 26 opens or closes the water outlet channel 211 of the valve body 21; when the operating member 231 rotates and drives the flow regulating member 25 to rotate, thereby driving the center rod 22 to move up and down along the axial direction, the water flow area of the water outlet channel 211 increases or decreases accordingly;

[0057] The central rod 22, the rotation reversing member 232 and the flow regulating member 25 are coaxial and arranged from inside to outside.

[0058] In this embodiment, the operating member 231 must be able to move up and down and also be able to drive the flow regulating member 25 to rotate, so a spline rod is selected as the operating member 231. Since the center rod 22, the rotating reversing member 232 and the flow regulating member 25 are coaxial and arranged from the inside to the outside. Such an arrangement can reduce the height of the valve core and the diameter of the valve core. The center rod 22 of the traditional water outlet valve is below the ratchet, so the height of the center rod 22 and the ratchet must be accumulated, and the height of the valve core is relatively high.

[0059] In this embodiment, the low-position positioning member 24 includes a ratchet slide rail member 243 and a lower ratchet 244 disposed on a fixed seat 246; the rotation reversing member 232 is an upper ratchet; the rotation reversing member 232 and the reversing mating member 242 are first ratchet inclined surfaces.

[0060] The inner side wall of the ratchet slide rail 243 is provided with ratchet blocks 2431 at intervals along the circumferential direction, and the clearance channel 245 is formed between two adjacent ratchet blocks 2431; the first ratchet inclined surface is provided on the side of the ratchet block 2431 facing the upper ratchet.

[0061] The stopper 2323 and the stopper mating member 241 are second ratchet inclined surfaces; the second ratchet inclined surface is arranged on the side of the ratchet block 2431 away from the rotary pressing switch 23. The stopper 2323 is arranged at intervals along the circumference of the upper ratchet; the upper surface of the stopper 2323 along the axial direction is provided with the second ratchet inclined surface.

[0062] When the operating member 231 is pressed to move it from the high position to the low position, the first ratchet inclined surfaces of the upper ratchet and the lower ratchet 244 will abut against each other. Since the lower ratchet 244 is fixed, the upper ratchet will rotate through a ratchet angle. When the lower ratchet 244 moves downward, the reset spring is squeezed to accumulate elastic reset force. When the upper ratchet rotates through a ratchet angle, the abutting force between the upper ratchet and the lower ratchet 244 disappears, and the reset spring will push the upper ratchet to move upward, so that the limiter 2323 and the limiter matching member 241 cooperate with each other, so that the upper ratchet can be fixed in the low position. Then, when the spline rod is pressed again, the upper ratchet will abut against the lower ratchet 244 again and rotate through a ratchet angle, so that the convex rib 233 of the upper ratchet is aligned with the clearance channel 245. In this way, under the action of the elastic reset force of the reset spring, the limiter 2323 can pass through the clearance channel 245, allowing the upper ratchet to return to the high position. Thus, a working cycle is completed. This structural method makes the entire size of the valve core smaller and the number of parts smaller.

[0063] In this embodiment, the flow regulating member 25 includes an internal threaded screw 251 and an external threaded screw 252, and the external threaded screw 252 is position-limitedly connected with the ratchet slide rail member 243 along the rotation direction of the internal threaded screw 251. In order to achieve the position-limited connection between the two, the ratchet slide rail member 243 is provided with a clamping groove 2432, and the external threaded screw 252 is provided with a pushing member 2521 that is clamped with the clamping groove 2432.

[0064] Therefore, when the operating part 231 is rotated, the center rod 22 moves downward through the cooperation of the multi-threaded screw. When the center rod 22 moves downward, it presses against the seal 26 to make it move downward. Since the seal 26 is in a pressure balance state, the seal 26 is where the center rod 22 is, thereby achieving the function of adjusting the flow rate.

[0065] The lower end of the operating member 231 is provided with a rotating member 2311, and the internal threaded screw 251 further includes a rotating matching member 2511. In this embodiment, the rotating member 2311 and the rotating matching member 2511 are hexagonal structures. When the operating member 231 is rotated clockwise, the rotating member 2311 and the rotating matching member 2511 cooperate and drive the internal threaded screw 251 to rotate clockwise. When the internal threaded screw 251 rotates clockwise and forces the external threaded screw 252 to move downward, the pushing member 2521 pushes the limiting member 2323 to move downward, thereby driving the rotation reversing member 232 to move downward.

[0066] The rotary reversing member 232 further includes an inwardly protruding convex ring 2324, and the central rod 22 further includes an annular boss 223 that cooperates with the convex ring 2324. When the rotary reversing member 232 moves downward, the convex ring 2324 abuts against the boss 223 to drive the central rod 22 to move downward. When the central rod 22 moves downward, it drives the seal 26 to move downward, thereby reducing the distance between the seal 26 and the base 30, making the water outlet channel 211 smaller, so as to achieve the effect of reducing the flow rate. In this embodiment, a working spring 27 is further included. One end of the working spring 27 is a fixed end, and the other end abuts against the rotary push switch 23. When the rotary push switch 23 is in the low position or the high position, the working spring 27 is always in a compressed state. In this way, the rotary push switch 23 will not shake.

[0067] When it is necessary to increase the flow rate, rotate the operating member 231 counterclockwise. The rotating member 2311 and the rotating mating member 2511 cooperate to drive the internal thread screw 251 to rotate counterclockwise. When the internal thread screw 251 rotates counterclockwise and drives the external thread screw 252 to move upward, the pushing member 2521 leaves the limiting member 2323, and the rotary reversing member 232 and the central rod 22 move upward under the action of the working spring 27 to relieve the downward acting force of the central rod 22 on the seal 26. The seal 26 moves upward under the action of the water pressure to complete the function of increasing the flow rate.

[0068] The above is to drive the central rod 22 to move up and down by rotating the operating member 231 to achieve the adjustment of the flow rate. This project can also enable consumers to operate the internal thread screw 251 to rotate, driving the central rod 22 to move up and down to achieve the adjustment of the flow rate. Therefore, this water outlet valve 2 is suitable for single-handle faucets and double-handle faucets. When this water outlet valve 2 is suitable for a single-handle faucet, consumers can not only turn on and off the water by pressing the single handle, but also rotate the single handle to adjust the flow rate. When this water outlet valve 2 is suitable for a double-handle faucet, turn on and off the water by pressing one handle, and rotate the other handle to adjust the flow rate.

[0069] In this embodiment, the seal 26 includes a pressure-bearing seat 261 and a leather cup 262. When the rotary push switch 23 moves to the low position, since the central rod 22 has a reduced-diameter contraction part, when the central rod 22 moves downward, the contraction part moves outside the pressure relief hole of the pressure-bearing seat 261, the pressure relief hole is closed, and the water pressure in the pressure-holding cavity between the leather cup 262 and the valve body 21 increases, driving the leather cup 262 to move downward along the axis of the valve body 21 to close the water outlet channel 211;

[0070] When the rotary push switch 23 moves to the high position, the central rod 22 moves upward, and the contraction part moves into the pressure relief hole of the pressure bearing seat 261 to open the pressure relief hole. The water pressure in the pressure holding cavity between the leather cup 262 and the valve body 21 decreases, driving the leather cup 262 to move upward along the axis of the valve body 21 to open the water outlet; in this embodiment, the leather cup 262 does not deform after the pressure relief hole is opened. Since the leather cup 262 does not deform after pressure relief, there is no need to bend the leather cup 262, and this structure can effectively reduce the diameter size of the valve core. Moreover, in this embodiment, a buckle groove is provided on the central rod 22 for interlocking connection with the pressure forming seat, and when the central rod 22 moves upward, the pressure bearing seat 261 can be lifted upward, solving the problem that it cannot be opened at low pressure.

[0071] Specifically, the leather cup 262 has a bottom wall 2621, and there is a central hole 2622 on the bottom wall. A circular boss 2611 is provided at the bottom of the pressure bearing seat 261, and an outer circular groove 2612 is provided on the outer side wall of the circular boss. The circular boss 2611 passes through the central hole 2622 so that the bottom wall 2621 of the leather cup 262 is inserted into the outer circular groove 2612. An inner circular groove 2623 is provided on the inner side wall of the leather cup 262, and a downwardly increasing wing 2624 is provided at the top of the outer side wall of the leather cup 262. The wing 2624 and the side wall of the leather cup 262 form an inverted V-shaped structure. A circular convex ring 2613 that cooperates with the inner circular groove 2623 is provided in the middle of the pressure bearing seat 261, so that the leather cup 262 is fixed on the pressure bearing seat 261. When the pressure bearing seat 261 moves up and down, the leather cup 262 also moves up and down accordingly, and the wing 2624 of the leather cup 262 forms a side seal with the valve body 21 and can move relative to the valve body 21.

[0072] Embodiment 2

[0073] Reference Figure 5 In this embodiment, the difference from Embodiment 1 is that the shape of the water outlet channel 211 is slightly different, and the structures of the other parts are the same and will not be elaborated.

[0074] Embodiment 3

[0075] Reference Figures 6 - 8 In this embodiment, the water outlet valve with flow regulation includes a valve body 21, a central rod 22, a rotary push switch 23, a low-position positioning member 24, a flow regulation member 25, and a sealing member 26;

[0076] The rotary push switch 23 moves axially between a high position and a low position; the rotary push switch 23 includes a rotation direction changing member 231 for cooperating with the low-position positioning member 24, and a limiting member 232 for locking with the low-position positioning member 24;

[0077] The low-position positioning member 24 includes a limit fitting member 241 and a commutation fitting member 242 arranged vertically along the axis, and a relief channel 245 penetrating along the axis;

[0078] When the rotary push switch 23 is in the high position, the limiting member 232 is aligned with the relief channel 245, and the commutation member and the commutation fitting member 242 are spaced apart by a certain distance along the axis; when the rotary push switch 23 is in the low position, the limiting member 232 passes through the relief channel 245, and the commutation member cooperates with the commutation fitting member 242 to drive the low-position positioning member 24 to rotate by a certain angle around the axis, so that the limiting member 232 and the limit fitting member 241 are limited upward along the axis;

[0079] The rotary push switch 23 is in axial linkage cooperation with the central rod 22, and the rotary push switch 23 is in rotary linkage cooperation with the flow regulating member 25. The flow regulating member 25 converts the rotary motion around the axis into the up-and-down movement of the central rod 22 along the axis;

[0080] When the rotary push switch 23 drives the central rod 22 to move to the high position or the low position, the seal member 26 opens or closes the water outlet channel 211 of the valve body 21; when the flow regulating member 25 drives the central rod 22 to move up and down along the axis, the water passing area of the water outlet channel 211 becomes larger or smaller accordingly;

[0081] The central rod 22, the flow regulating member 25 and the rotary commutation member 231 are coaxial and arranged from inside to outside.

[0082] In this embodiment, the positions of the rotary commutation member 231 and the flow regulating member 25 are swapped, and the low-position positioning member 24 is set as a rotary ratchet; the rotary commutation member 231 is a fixed ratchet; the rotary commutation member 231 and the commutation fitting member 242 are the first ratchet slopes. That is, in Embodiment 1, the upper ratchet rotates and the lower ratchet does not move, which is changed to the fixed ratchet does not move and the rotary ratchet rotates.

[0083] Specifically, ratchet teeth blocks 243 are arranged at intervals along the circumferential direction on the outer side wall of the rotary ratchet, and the relief channel 245 is formed between two adjacent ratchet teeth blocks 243. The first ratchet slope is arranged on the side of the ratchet teeth block 243 facing the fixed ratchet.

[0084] The limiting member 232 and the limit fitting member 241 are the second ratchet slopes; the second ratchet slope is arranged on the side of the ratchet teeth block 243 away from the rotary push switch 23.

[0085] When the rotary pressing switch 23 moves from the high position to the low position, the first ratchet inclined surfaces of the fixed ratchet and the rotating ratchet will abut and cooperate. Since the fixed ratchet is fixed, the rotating ratchet will rotate through a ratchet angle. When the fixed ratchet moves downward, the reset spring is squeezed to accumulate elastic reset force. When the rotating ratchet rotates through a ratchet angle, the abutting force between the fixed ratchet and the rotating ratchet disappears, and the reset spring pushes the fixed ratchet to move upward, so that the limiter 232 and the limiter matching member 241 cooperate with each other, so that the fixed ratchet can be fixed in the low position. Then, when the rotary pressing switch 23 is pressed again, the fixed ratchet abuts and cooperates with the rotating ratchet again, and the rotating ratchet rotates through a ratchet angle again, so that the convex rib 233 of the fixed ratchet is aligned with the clearance channel 245. In this way, under the action of the elastic reset force of the reset spring, the convex rib 233 can pass through the clearance channel 245, allowing the fixed ratchet wheel to return to the high position. Thus, a working cycle is completed.

[0086] The fixed ratchet is provided with the second ratchet inclined surface axially below the first ratchet inclined surface. In this embodiment, the rotary pressing switch 23 is a pressing rotating rod, the first ratchet inclined surface is provided on the inner wall of the pressing rotating rod, and the second ratchet inclined surface is below the first ratchet inclined surface.

[0087] In this embodiment, the central rod 22 is divided into a pressing shaft 221 and a movable shaft 222; a water-on spring 28 is disposed on the outer surface of the movable shaft 222, and when the rotary pressing switch 23 is in a low position, the water-on spring 28 is compressed. A water-off spring 29 is disposed on the outer surface of the pressing shaft 221; when the rotary pressing switch 23 is in a low position, the pressing shaft 221 abuts against the movable shaft 222, and the water-off spring 29 is compressed; the elastic restoring force of the water-off spring 29 is greater than the elastic restoring force of the water-on spring 28.

[0088] The center rod 22 is divided into two parts. The pressing shaft 221 is provided with a buckle groove that cooperates with the open retaining ring to restrict the water-off spring 29. The function of this water-off spring 29 is to keep the pressing shaft 221 in a state of being always downward. The force of the water-off spring 29 acts on the pressing shaft 221 in a direction that is always downward. The movable shaft 222 is provided with a buckle groove that cooperates with the open retaining ring to restrict the water-on spring 28. At this time, the water-on spring 28 always acts on the movable shaft 222, allowing the movable shaft 222 to move upward. When the water is turned on, the movable shaft 222 is pulled upward to open the pressure relief hole for pressure relief, thereby opening the pressure seat. When the pressing shaft 221 moves downward, the pressing shaft 221 and the movable shaft 222 abut against each other, and the pressing shaft 221 moves the movable shaft 222 downward until the movable shaft 222 is sealed with the base. At this time, the direction of the force exerted by the spring on the movable shaft 222 is upward, changing from upward when the water is turned on to downward when the water is turned off. This method is used to make the movable shaft 222 fit better with the pressure seat when the pressure is low, thereby solving the problem of low-pressure water leakage.

[0089] The above operation method is light in terms of the pressing force value because the central rod 22 is divided into two parts. Regardless of the water pressure, the pressing force value is always the force value of the spring and will not change. The pressing shaft 221 at the operating end is separated from the movable shaft 222 at the sealing end. It is always the movable shaft 222 that seals the water, while what the user operates is the pressing shaft 221. Therefore, regardless of the water pressure, the force of each pressing operation by the user is constant.

[0090] In the description of this specification, the description with reference to terms such as "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0091] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the present invention to only the specific implementation manners. Obviously, many modifications and changes can be made according to the content of this specification. These embodiments are selected and specifically described in this specification in order to better explain the principle and practical application of the present invention, so that those skilled in the art can understand and utilize the present invention well. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A water outlet valve with flow regulation, characterized in that It includes a valve body, a rotary push switch, a center rod arranged in the valve body, a flow regulating member and a sealing member; The rotary push switch cooperates with the center rod in an axial direction, and the rotary push switch is connected with the flow regulating member in an axial direction; the flow regulating member converts the rotary motion in an axial direction into the up and down movement of the center rod in an axial direction; When the rotary push switch moves the center rod to a high position or a low position, the sealing member opens or closes the water outlet passage of the valve body; when the rotary push switch or the flow regulating member is rotated, the flow regulating member drives the center rod to move up and down along the axial direction, and the water flow area of the water outlet passage increases or decreases accordingly; The central rod, the rotary push switch and the flow regulating member are coaxial and arranged from the inside to the outside; and also include a low-position positioning member; The rotary push switch moves between a high position or a low position along the axial direction; the rotary push switch includes an operating member and a rotary reversing member; the rotary reversing member includes a reversing member for cooperating with a low-position positioning member, and a limiting member for locking with the low-position positioning member; the low-position positioning member includes a limiting matching member and a reversing matching member arranged up and down along the axial direction, and a clearance channel arranged along the axial direction.

2. A water outlet valve with flow regulation according to claim 1, characterized in that: When the operating member is in a high position, the limit member is aligned with the clearance channel, and the reversing member and the reversing mating member are spaced a certain distance apart along the axial direction; when the rotary push switch is in a low position, the limit member passes through the clearance channel, and the reversing member and the reversing mating member cooperate to drive the rotating reversing member to rotate a certain angle around the axial direction, so that the limit member and the limit mating member are limited upward along the axial direction.

3. The water outlet valve with flow regulation according to claim 2, characterized in that: The low-position positioning member includes a ratchet slide rail member and a lower ratchet arranged on a fixed seat; the rotation reversing member is an upper ratchet; the rotation reversing member and the reversing mating member have a first ratchet inclined surface.

4. The water outlet valve with flow regulation according to claim 3, characterized in that: The inner side wall of the ratchet slide rail is provided with ratchet blocks at intervals along the circumferential direction, and the yield channel is formed between two adjacent ratchet blocks; The first ratchet inclined surface is arranged on a side of the lower ratchet facing the upper ratchet.

5. The water outlet valve with flow regulation according to claim 4, characterized in that: The limiting member and the limiting matching member have a second ratchet inclined surface; the second ratchet inclined surface is arranged on a side of the ratchet block away from the rotary pressing switch.

6. The water outlet valve with flow regulation according to claim 5, characterized in that: The limiting members are arranged at intervals along the circumference of the upper ratchet; and the upper surface of the limiting member along the axial direction is provided with the second ratchet inclined surface.

7. The water outlet valve with flow regulation according to claim 6, characterized in that: The flow regulating member comprises an internal thread screw and an external thread screw, and the external thread screw is positionally connected with the ratchet slide rail member along the rotation direction of the internal thread screw.

8. The water outlet valve with flow regulation according to claim 7, characterized in that: The flow regulating member comprises an internal thread screw and an external thread screw, and the external thread screw is positionally connected with the ratchet slide rail member along the rotation direction of the internal thread screw.

9. A water outlet valve with flow regulation according to any one of claims 1-8, characterized in that: It also includes a working spring, one end of which is a fixed end, and the other end of which is in contact with the rotary pressing switch; When the rotary push switch is located at a low position or a high position, the working spring is always in a compressed state.

10. The water outlet valve with flow regulation according to claim 9, characterized in that: The seal includes a pressure-bearing seat and a leather cup. When the rotary push switch moves to the low position, the pressure relief hole of the pressure-bearing seat is closed by the central rod, the water pressure in the pressure-retaining cavity between the leather cup and the valve body increases, driving the leather cup to move downward along the valve body axis to close the water outlet channel; When the rotary push switch moves to the high position, the central rod opens the pressure relief hole of the pressure-bearing seat, the water pressure in the pressure-retaining cavity between the leather cup and the valve body decreases, driving the leather cup to move upward along the valve body axis to open the water outlet channel; The leather cup does not deform after the pressure relief hole is opened.

11. A water outlet valve with flow regulation according to claim 10, characterized in that: The central rod and the pressure-bearing seat for installing the leather cup are connected in a linkage manner. When the central rod moves upward, the pressure-bearing seat drives the leather cup to open the water outlet channel.

12. A water outlet valve with flow regulation, characterized in that It includes a valve body, a central rod, a rotary push switch, a flow regulator and a seal; The rotary push switch and the central rod are in axial linkage cooperation, and the rotary push switch and the flow regulator are in axial linkage connection; the flow regulator converts the rotary motion around the axis into the up and down movement of the central rod along the axis; When the rotary push switch drives the central rod to move to the high or low position, the seal opens or closes the water outlet channel of the valve body; when the rotary push switch or the flow regulator is rotated, the flow regulator drives the central rod to move up and down along the axis, and the water passing area of the water outlet channel becomes larger or smaller accordingly; The central rod, the flow regulator and the rotary push switch are coaxial and arranged from the inside to the outside; a low-position positioning member is also included; The rotary push switch moves axially between the high and low positions; the rotary push switch includes a rotation reversing member for cooperating with the low-position positioning member and a limiting member for locking with the low-position positioning member; the low-position positioning member includes a limiting and cooperating member and a reversing and cooperating member arranged axially up and down, and a relief channel arranged axially through; 13. The water outlet valve with flow regulation according to claim 12, characterized in that: The low-position positioning member is a rotary ratchet; the rotation reversing member is a fixed ratchet; the rotation reversing member and the reversing and cooperating member have a first ratchet slope.

14. A water outlet valve with flow regulation according to claim 13, characterized in that: The outer wall of the rotary ratchet is provided with ratchet teeth blocks at intervals in the circumferential direction, a relief channel is formed between two adjacent ratchet teeth blocks, and a first ratchet slope is provided on the side of the ratchet teeth block facing the fixed ratchet.

15. The water outlet valve with flow regulation according to claim 14, characterized in that: The limiting member and the limiting and cooperating member have a second ratchet slope; a second ratchet slope is provided on the side of the ratchet teeth block away from the rotary push switch.

16. The water outlet valve with flow regulation according to claim 15, characterized in that: The second ratchet slope is provided on the limiting member.

17. A water outlet valve with flow regulation according to any one of claims 12 - 16, characterized in that: The central rod is divided into a pressing shaft and a movable shaft; a water-opening spring is sleeved outside the movable shaft. When the rotary push switch is in the low position, the water-opening spring is compressed.

18. A water outlet valve with flow regulation according to claim 17, characterized in that: A water-closing spring is sleeved outside the pressing shaft; when the rotary push switch is in the low position, the pressing shaft abuts against the movable shaft, and the water-closing spring is compressed; the elastic restoring force of the water-closing spring is greater than the elastic restoring force of the water-opening spring.

19. A water outlet valve with flow regulation according to claim 18, characterized in that: The seal includes a pressure-bearing seat and a leather cup. When the rotary push switch moves to the low position, the pressure relief hole of the pressure-bearing seat is closed by the movable shaft, the water pressure in the pressure-retaining cavity between the leather cup and the valve body increases, driving the leather cup to move downward along the valve body axis to close the water outlet channel; When the rotary push switch moves to the high position, the movable shaft opens the pressure relief hole of the pressure bearing seat, the water pressure in the water accumulation cavity between the leather cup and the valve body decreases, driving the leather cup to move upward along the valve body axis to open the water outlet channel; The leather cup does not deform after the pressure relief hole is opened.

20. A water outlet faucet, characterized in that An outlet valve with flow regulation according to any one of claims 1-19 is assembled.

21. The water outlet faucet according to claim 20, wherein: The water outlet faucet is a fixed faucet or a pull-out faucet.

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