WO2021056757A1

WO2021056757A1 - Double-inlet double-outlet cold and hot water mixing valve core

Info

Publication number: WO2021056757A1
Application number: PCT/CN2019/118614
Authority: WO
Inventors: 吴端龙
Original assignee: 吴端龙
Priority date: 2019-09-25
Filing date: 2019-11-15
Publication date: 2021-04-01
Also published as: CN210531654U

Abstract

A double-inlet double-outlet cold and hot water mixing valve core, comprising an upper valve plate (5) and a lower valve plate (6) which are attached to each other; the lower valve plate (6) is fixedly disposed, and a cold water inlet (63), a hot water inlet (64), a first mixing water outlet (62) and a second mixing water outlet (63) are disposed on the lower valve plate (6); the upper valve plate (5) is driven by means of a rocker (2) to slide relative to the lower valve plate (6), and a water guide groove (51) is provided in the upper valve plate (5). When the upper valve plate (5) slides, the valve core has the following water outlet modes: the first mixed water outlet (62) is communicated with the cold water inlet (63) and/or the hot water inlet (64) by means of the water guide groove (51), and the second mixed water outlet (63) is not communicated with any water inlet; and/or the second mixed water outlet (63) is communicated with the cold water inlet (63) and/or the hot water inlet (64) by means of the water guide groove (51), and the first mixed water outlet (62) is not communicated with any water inlet; and/or the second water outlet mode is that the first mixed water outlet (62) and the second mixed water outlet (63) are simultaneously communicated with the cold water inlet (63) and/or the hot water inlet (64) by means of the water guide groove (51) The device achieves continuous water supply of the first mixed water outlet (62) and on-demand water supply of the second mixed water outlet (63), and is structurally simple and functionally diverse.

Description

Double inlet and double outlet cold and hot water mixing valve core

cross reference

This application refers to the Chinese Patent Application No. 201921608443.3 filed on September 25, 2019, entitled "A dual-inlet and dual-outlet cold and hot water mixing valve core", which is fully incorporated into this application by reference.

Technical field

The utility model belongs to the technical field of faucets, and specifically relates to a double-inlet and double-outlet cold and hot water mixing valve core.

Background technique

As a necessary equipment for daily production and domestic water use, faucets are widely used in kitchens, bathrooms and other places. In bathrooms, toilets, etc., multi-in and multi-out faucets are commonly used equipment. The functions of existing two-in and two-out faucets are also controlled by a valve core, and the water channel is realized by turning or rotating the core rod of the valve core. On-off control and water temperature adjustment.

Chinese patent application CN 104653816 A. The publication date is: May 27, 2015, which discloses "a two-in-two-out water mixing valve core with waterway switching function". The technical solution uses a pry bar to pair two valve discs. Control to achieve the on-off control of the water channel and the adjustment of the water temperature; but because the solution has two water channels, there are only two water outlet modes, no water and one of the outlet holes; in addition, the inventor found through testing The above design will switch the original hot water channel to the cold water channel when switching the manual control faucet to discharge water. It is often necessary to re-adjust the water temperature by rotating the handle, which causes inconvenience to the user.

At present, a situation that often occurs in the bathroom is that one faucet uses induction to discharge water, and the other faucet uses manual control to open and close. A valve core is required to ensure that one of the waterways always maintains water supply and has a water temperature adjustment function. Therefore, it is necessary to develop a new one. Double inlet and double outlet hot and cold water mixing valve core.

Summary of the invention

In order to overcome the shortcomings of the prior art, the present invention needs to provide a double-inlet and double-outlet cold and hot water mixing valve core that always maintains water supply from one channel.

The technical scheme adopted by the utility model is to provide a double inlet and double outlet cold and hot water mixing valve core, which includes an upper valve plate and a lower valve plate that are fitted together. The lower valve plate is fixedly arranged, and the lower valve plate is provided with a cold inlet valve. Water inlet, hot water inlet, first mixed water outlet and second mixed water outlet; the upper valve plate is driven by a rocker to slide relative to the lower valve plate, and a water guide groove is provided on the upper valve plate; the upper valve plate When sliding, the spool has the following water outlet modes:

The first mixed water outlet is communicated with the cold water inlet and/or the hot water inlet through the water guide, and the second mixed water outlet is not connected with any water inlet; and/or,

The second mixing water outlet is communicated with the cold water inlet and/or the hot water inlet through the water guide groove, and the first mixing water outlet is not connected with any water inlet; and/or,

The first and second mixed water outlets are simultaneously communicated with the cold water inlet and/or the hot water inlet through the water guide groove.

Further, it also includes a housing, a base, a base, and a slide valve. The base is snap-connected with the housing to form a chamber. The base, the slide valve, the upper valve plate and the lower valve plate are arranged from top to bottom. Installed in the chamber one by one; the rocker is hinged on the base through a pin shaft, the bottom end of the rocker is rotatably arranged in a central hole of the slide valve, and the rotating rocker drives the upper valve plate to face each other through the slide valve The lower valve plate slides, and the base is provided with four water channels respectively communicating with the cold water inlet, the hot water inlet, the first mixed water outlet and the second mixed water outlet.

Further, a sliding block is arranged on the upper part of the sliding valve, and a sliding groove matching the sliding block is arranged at the bottom of the base.

Further, two opposite outer side walls of the base are provided with a bump, and the inner side wall of the housing is provided with a limit block that restricts the rotation of the bump.

Further, a plurality of downward first locking blocks are provided on the peripheral side of the bottom of the slide valve, and first locking grooves engaged with the first locking blocks are provided on the peripheral side of the upper valve plate.

Further, a plurality of upward second locking blocks are provided on the peripheral side of the upper part of the base, and second locking grooves engaged with the second locking blocks are provided on the peripheral side wall of the lower valve plate.

Further, a convex buckle is provided on the base, and a buckle groove for buckling with the convex buckle is provided on the housing.

Further, a first sealing ring is provided between the base and the lower valve plate.

Further, a second sealing ring is provided on the outer end surface of the base.

Further, the materials of the upper valve disc and the lower valve disc are both ceramics.

Compared with the prior art, the utility model has the following beneficial effects:

The device has the following water outlet modes: the first mixed water outlet is connected to the cold water inlet and/or the hot water inlet through the water guide, the second mixed water outlet is not connected to any water inlet; and/or, the second mixed water outlet The water guide is connected to the cold water inlet and/or the hot water inlet, and the first mixed water outlet is not connected to any water inlet; the above two modes can make one of the mixed water outlets water out, and the water temperature is adjustable, and the other is mixed No water from the outlet;

The other mode is that the second mixed water outlet is connected to the cold water inlet and/or the hot water inlet through the water guide at the same time. This mode makes the first mixed water outlet water out, the second mixed water outlet is also the water outlet, and the water temperature of the two water outlets All adjustable

The device provided by the utility model has a simple structure, meets the specific needs of specific occasions, and is convenient to use.

Description of the drawings

In order to more clearly explain the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the appendix in the following description The drawings are 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 labor.

Figure 1 is a schematic diagram of the structure in an embodiment of the utility model;

Figure 2 is an exploded view of an embodiment of the utility model;

Fig. 3 is a schematic diagram of the structure after removing the shell in the embodiment of the utility model;

Figure 4 is a schematic structural diagram of the first water outlet mode in the embodiment of the utility model;

Figure 5 is a schematic structural diagram of the second water outlet mode in the embodiment of the utility model;

Figure 6 is a schematic diagram of the structure of the base and the housing in the embodiment of the utility model;

Figure 7 is a schematic diagram of the structure of the upper valve plate in the embodiment of the utility model;

Figure 8 is a schematic diagram of the structure of the lower valve plate in the embodiment of the utility model.

Reference signs:

1 Shell 11 limit block 2 Joystick

21 pin shaft 3 base 31 bump

32 slide groove 4 slide valve 41 slide

42 First card block 5 upper valve plate 51 water channel

52 First card slot 6 Lower valve plate 61 Second mixed water outlet

62 First mixed water outlet 63 Cold water inlet 64 Hot water inlet

65 Second card slot 7 Base 71 First seal ring

72 Second card block 73 Protruding buckle 74 Third card block

75 waterway 76 second sealing ring

detailed description

In order to make the purpose, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the description The embodiments are part of the embodiments of the present utility model, but not all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the scope of protection of the present utility model.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "horizontal", "upper", "lower", "front", "rear", "left", "right", The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer" etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility The new and simplified description does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance.

The present utility model will be further described with reference to the attached drawings 1-11 and the specific embodiments.

As shown in Figure 1-3, a double inlet and double outlet hot and cold water mixing valve core includes a housing 1, a base 7, and a base 7 that are snap-connected with the housing 1 to form a chamber. The base 3, the slide valve 4, the upper valve plate 5 and the lower valve plate 6 are installed in sequence. The upper valve plate 5 and the lower valve plate 6 are arranged in close contact with each other, and a rocker 2 is also included. The upper end of the rocker 2 penetrates the shell 1. At the upper part, the rocker 2 is hinged on the base 3 through a pin 21. The bottom end of the rocker 2 is rotatably arranged in a central hole of the slide valve 4. The rotating rocker 2 drives the upper valve plate 5 through the slide valve 4 Relative to the lower valve plate 6 slides.

In this embodiment, the upper peripheral side of the base 7 is provided with a plurality of upward second clamping blocks 72, the peripheral side wall of the lower valve plate 6 is provided with a second clamping groove 65 that engages with the second clamping block 72, and the base 7 is A third clamping block 74 nested with the bottom of the housing 1 for positioning and limiting is also provided. The base 7 is provided with a protruding buckle 73, and the housing 1 is provided with a buckle groove for engaging with the protruding buckle 73.

In this embodiment, a sliding block 41 is provided on the upper part of the sliding valve 4, and a sliding groove 32 matching the sliding block is provided at the bottom of the base 3.

In this embodiment, as shown in FIG. 6, two opposite outer side walls of the base 3 are provided with a protrusion 31, and the inner side wall of the housing 1 is provided with a limit block 11 that restricts the rotation of the protrusion 31.

In this embodiment, the bottom peripheral side of the slide valve 4 is provided with a plurality of downward first locking blocks 42, and the upper peripheral side of the upper valve plate 5 is provided with first locking grooves 52 engaged with the first locking blocks 42.

In this embodiment, as shown in Figures 7 and 8, the lower valve plate 6 is fixedly arranged on the base 7, and the lower valve plate 6 is provided with a cold water inlet 63, a hot water inlet 64, a first mixed water outlet 62 and a second The mixed water outlet 61; the upper valve plate 5 is provided with a water guiding groove 51; when the upper valve plate 5 slides, the valve core has the following two water outlet modes. The first water outlet mode is that the first mixed water outlet 62 passes through the water guiding groove and cold inlet The water inlet and/or the hot water inlet are connected, and the second mixed water outlet 61 is not connected with any water inlet; the second water outlet mode is that the first and second mixed water outlets pass through the water guide groove and the cold water inlet and/or hot water inlet at the same time. The nozzles are connected.

In this embodiment, a first sealing ring 71 is provided between the base 7 and the lower valve plate 6. A second sealing ring 76 is provided on the outer end surface of the base.

In this embodiment, the cold water inlet 63, the hot water inlet 64, and the second mixed water outlet 61 on the lower valve plate 6 are all arc-shaped, the first mixed water outlet 62 is in the shape of a drop, and the cold water inlet 63 and the hot water inlet 64 is arranged between the first mixed water outlet 62 and the second mixed water outlet 61; the cold water inlet 63 and the hot water inlet 64 are located on the same concentric circle, and the arc length formed by the cold water inlet 63 and the hot water inlet 64 is less than The arc length of the second mixing outlet 61. The water guiding groove 51 of the upper valve plate 5 has an oblong shape with a large end and a small end.

As shown in Fig. 4, when the rocker 2 is erected, the water guiding groove 51 of the upper valve plate 5 connects the first mixing outlet 62 with the cold water inlet 63, or the hot water inlet 64, or at the same time with the cold and cold water inlets. The hot water inlet is connected, and the water guiding groove 51 is not connected with the second mixing water outlet 61. Therefore, the first mixing water outlet 62 can output hot water, cold water or warm water with adjustable temperature through the rotation of the upper valve plate 5. The second mixing The water outlet 61 does not flow out, and the first mixing outlet 62 is connected to a faucet with an induction solenoid valve through a pipe; as shown in Figure 5, when the rocker 2 is turned to one side, the water guiding groove of the upper valve plate 5 51 Make the first and second mixing outlets communicate with the cold water inlet 63 at the same time, or the hot water inlet 64 at the same time, or communicate with the cold and hot water inlets at the same time, so the first and second mixing outlets pass through the upper valve plate The rotation of 5 can produce hot water, cold water or warm water with adjustable temperature. The second mixing water outlet is connected to a faucet through a pipe, and the second mixing water outlet can be connected to a water flow detector.

The above-mentioned design of this patent enables the faucet to maintain the original temperature of the water when the faucet is switched to manually control the faucet to discharge water, without continuing to re-adjust the water temperature by rotating the handle, which improves the user experience.

Although more use is made in this article, such as housing, limit block, rocker, pin, base, bump, slide, slide valve, slider, first block, upper valve plate, water guide, second A card slot, lower valve plate, second mixed water outlet, first mixed water outlet, cold water inlet, hot water inlet, second card slot, base, first sealing ring, second clip, convex buckle, third Terms such as block, water channel, second sealing ring, etc., but the possibility of using other terms is not excluded. These terms are only used to describe and explain the essence of the utility model more conveniently; to interpret them as any additional restriction is contrary to the spirit of the utility model.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, not to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand : It can still modify the technical solutions described in the foregoing embodiments, or equivalently replace some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the embodiments of the present invention The scope of the technical solution.

Claims

A dual inlet and dual outlet cold and hot water mixing valve core, which is characterized in that it comprises an upper valve plate and a lower valve plate that are attached to each other. The lower valve plate is fixedly arranged, and the lower valve plate is provided with a cold water inlet and a hot water inlet , The first mixed water outlet and the second mixed water outlet; the upper valve plate is driven by a rocker to slide relative to the lower valve plate, and a water guide groove is provided on the upper valve plate; when the upper valve plate slides, the valve core It has the following water outlet modes:

The first mixed water outlet is communicated with the cold water inlet and/or the hot water inlet through the water guide, and the second mixed water outlet is not connected with any water inlet; and/or,

The second mixing water outlet is communicated with the cold water inlet and/or the hot water inlet through the water guide groove, and the first mixing water outlet is not connected with any water inlet; and/or,

The second water outlet mode is that the first and second mixed water outlets are simultaneously communicated with the cold water inlet and/or the hot water inlet through the water guide groove.
The dual inlet and dual outlet hot and cold water mixing valve core according to claim 1, further comprising a housing, a base, a base and a slide valve, the base is snap-connected with the housing to form a chamber, The base, the slide valve, the upper valve plate and the lower valve plate are sequentially installed in the chamber from top to bottom; the rocker is hinged on the base by a pin, and the bottom end of the rocker is rotatably arranged on In a central hole of the spool valve, the rotating rocker drives the upper valve plate to slide relative to the lower valve plate through the spool valve. The base is provided with four cold water inlets, hot water inlets, first mixed water outlets, and second mixed water outlets. The water channel connected to the mixing outlet.
The dual inlet and dual outlet hot and cold water mixing valve core according to claim 2, wherein a sliding block is arranged on the upper part of the sliding valve, and a sliding groove matching the sliding block is arranged at the bottom of the base.
The dual-in-dual-out hot and cold water mixing valve core according to claim 2, wherein a protrusion is provided on the two opposite outer side walls of the base, and the inner side wall of the housing is provided with a protrusion restricting rotation The limit block.
The dual inlet and dual outlet hot and cold water mixing valve core according to claim 2, characterized in that: the bottom peripheral side of the slide valve is provided with a plurality of downward first clamping blocks, and the upper part of the upper valve plate is provided with a peripheral side There is a first card slot engaged with the first card block.
The dual inlet and dual outlet hot and cold water mixing valve core according to claim 2, wherein a plurality of upward second clamping blocks are provided on the peripheral side of the upper part of the base, and the peripheral side wall of the lower valve plate is provided with The second card slot engaged with the second card block.
The dual-in and dual-out hot and cold water mixing valve core according to claim 2, wherein a convex buckle is provided on the base, and a buckle groove that engages with the convex buckle is provided on the housing.
The dual inlet and dual outlet cold and hot water mixing valve core according to claim 2, wherein a first sealing ring is provided between the base and the lower valve plate.
The dual inlet and dual outlet hot and cold water mixing valve core according to claim 2, wherein the outer end surface of the base is provided with a second sealing ring.
The dual inlet and dual outlet hot and cold water mixing valve core according to any one of claims 1-9, wherein the upper valve disc and the lower valve disc are made of ceramic.