CN105887985B - A household multifunctional mixing faucet device - Google Patents

Abstract

The invention discloses a household multifunctional water mixing faucet device, which comprises a water mixing faucet, a cylinder body arranged at the upper part of the water mixing faucet, a ceramic filter element arranged in the cylinder body, a brush assembly arranged between the cylinder body and the ceramic filter element, a connecting sleeve fixedly connected at the upper end of the cylinder body, and a water outlet assembly arranged at the upper end of the connecting sleeve, wherein the cylinder body is arranged at the upper part of the water mixing faucet; the brush assembly comprises a fixed ring, an outer ring memory alloy spring, an inner ring memory alloy spring and a brushing plate; when hot water is needed to be taken, tap water in the heating pipe of the ceramic heater and water flowing into the cylinder are all the hot water, and the outer ring memory alloy spring and the inner ring memory alloy spring are heated and extended simultaneously to drive the scrubbing plate to move upwards to clean dirt attached to the outer wall of the ceramic filter element; the water outlet pipe can be rotated according to the use requirement during use, so that the effect of automatically cleaning the outer wall of the ceramic filter element without specially cleaning the outer wall of the ceramic filter element is achieved.

Description

A household multifunctional mixing faucet device

technical field

The invention belongs to the field of water purification equipment, and in particular relates to a household multifunctional mixing faucet device.

Background technique

The Chinese patent No. 201520965816.8 proposes a ceramic faucet with a built-in filter element. After the ceramic faucet with a built-in filter element is used for a certain period of time, the outer wall of the ceramic filter element installed inside the faucet needs to be cleaned in time to ensure the filtration speed and Filtration quality cannot automatically clean the outer wall of the ceramic filter element without removing the faucet. When in use, all the water flowing out of the faucet is filtered through the ceramic filter element, but the water requirements for washing dishes or washing are relatively low. If all filtered water is used Instead of water, the life of the filter element is greatly reduced.

Contents of the invention

The technical problem to be solved by the present invention is to provide a household multi-functional mixing faucet device that does not require dismantling and cleaning of the filter element and automatically cleans the filter element and removes the dirt under cleaning.

In order to achieve the purpose of the present invention, the following technical proposals are adopted: a household multi-function mixing faucet device, including a mixing faucet, a cylinder installed on the upper part of the mixing faucet, a ceramic filter element installed in the cylinder, and a A brush assembly between the cylinder body and the ceramic filter element, a connection sleeve fixedly connected to the upper end of the cylinder body, and a water outlet assembly installed on the upper end of the connection sleeve.

The upper end of the mixing faucet is formed with an inverted tapered connecting pipe; the upper end of the connecting pipe is formed with a connecting part that is matched with the lower part of the cylinder body; the lower part of the inner wall of the mixing faucet is installed with a threaded sleeve; the lower part of the threaded sleeve is threaded Attached are nut pieces.

The cylinder is in the shape of a cylinder with a closed upper end and an open lower end; a drinking water outlet joint is formed in the middle of the upper end of the cylinder; a filter element joint is formed on the top surface of the cylinder corresponding to the position of the water outlet joint; A non-potable water outlet joint is formed at a position different from the drinking water outlet joint at the upper end of the cylinder body.

The ceramic filter element is in the shape of a cylinder with an open upper end and a closed lower end; an upper cover plate is fixedly connected to the upper end of the ceramic filter element; a water outlet joint fixedly connected to the filter element joint is formed in the middle of the upper cover plate.

The brush assembly includes a fixed ring fixedly connected to the lower part of the cylinder, an outer ring memory alloy spring and an inner ring memory alloy spring fixedly connected to the upper end of the fixed ring, and an annular scrubbing plate; the outer ring The upper end of the memory alloy spring is fixedly connected to the lower end of the scrubbing plate; the upper end of the inner ring memory alloy spring is fixedly connected to the lower end of the scrubbing plate, and the connection positions of the inner ring memory alloy spring, the outer ring memory alloy spring and the scrubbing plate are along the brushing The plates are separated by 180°; the inner wall of the scrubbing plate is fixedly connected with bristles for brushing dirt on the outer wall of the ceramic filter element.

The upper part of the connecting sleeve is evenly fixed and connected with more than three screws along the circumferential direction; the front end of the screw is a hemisphere; the inside of the connecting sleeve is installed with a pressure limiting valve and a valve; the lower end of the pressure limiting valve is fixedly connected to the cylinder on the drinking water outlet joint; the lower end of the valve is fixedly connected to the non-drinking water outlet joint.

The water outlet assembly includes a rotating head, a non-drinking water outlet pipe formed on the upper end of the rotating head and a drinking water outlet pipe rotatably connected to the rotating head; the upper end of the rotating head is different from the non-drinking water outlet. The position of the water pipe is formed with a socket that is rotatably connected to the drinking water outlet pipe; the rotating head is cylindrical in shape with a closed upper end and an open lower end; sliding groove; the inner side of the lower part of the non-drinking water outlet pipe is equipped with a water outlet; the upper end of the water outlet is formed with a non-drinking water inlet joint; the lower end of the water outlet is fixedly connected with the lower end of the non-drinking water outlet pipe. Bubbler; the lower end of the non-drinking water outlet pipe is fixedly connected with a fixed cover; the outlet end of the drinking water outlet pipe is fixedly connected with a water outlet connection pipe; the lower part of the water outlet connection pipe is slidingly sleeved with a length adjustment pipe; The middle outer wall of the length adjustment pipe is formed with an annular hand-push part; the non-drinking water inlet joint is connected to the upper end of the valve through a second hose; the water inlet end of the drinking water outlet pipe and the upper end of the pressure limiting valve are connected through a first soft hose pipe connection; the non-drinking water joint is connected to the upper end of the valve through a second flexible pipe.

As a preferred solution: the inner wall of the drinking water outlet joint and the non-drinking water outlet joint are respectively formed with internal threads; the lower part of the pressure limiting valve is threaded with the drinking water outlet joint; the lower part of the valve is connected to the non-drinking water outlet joint. The drinking water outlet connector is threaded.

As a preferred solution: a stepped portion is formed on the lower part of the barrel, and the fixing ring is clamped and fixed between the stepped portion and the connecting portion.

As a preferred solution: the lower part of the connecting sleeve is provided with a U-shaped opening for the handle of the valve to pass through.

As a preferred solution: the upper end of the water outlet connecting pipe is threadedly connected to the water outlet end of the drinking water outlet pipe; the outer wall of the lower end of the water outlet connecting pipe is formed with a positioning ring that matches the upper end of the length adjustment pipe; the outer wall of the water outlet connecting pipe The position fixing sleeve above the positioning ring is provided with a sealing ring.

As a preferred solution: the lower end of the mixing tap is connected with a cold water pipe and a hot water pipe; the pipeline of the hot water pipe is connected with a heater, and the heater includes a ceramic heater, which is respectively connected to two ends of the ceramic heater. Metal joints, and lock nuts for locking and fixing the metal joints on the ceramic heater;

The ceramic heater includes a cylindrical heating pipe part, a water inlet connecting pipe integrally formed at one end of the heating pipe part, and a water outlet connecting pipe integrally formed at the other end of the heating pipe part; the outer ends of the water inlet connecting pipe and the water outlet connecting pipe The outer wall of the outer part is formed with a convex positioning ring;

The metal joint includes an integrally formed heater joint and a water pipe joint, the inner wall of the outer end of the heater joint is formed with a clamping protruding ring that cooperates with the positioning ring, and the inner wall of the heater joint is formed with a positioning ring. Steps, sealing gaskets are installed between the positioning steps and the ends of the water inlet and outlet pipes; the outer end of the heater joint is equidistantly formed with more than 3 gaps along the circumferential direction;

The heating pipe part includes a round pipe-shaped outer pipe part and a cylindrical inner heating pipe located inside the outer pipe part; a plurality of joints are connected between the outer wall of the inner heating pipe and the inner wall of the outer pipe part A column, a plurality of connecting columns are connected between the end of the inner heating pipe close to the water outlet connecting pipe and the outer pipe part, and a liquid passage connecting the water inlet channel and the heating channel is formed between every two adjacent connecting columns; A water outlet channel is formed in the axial direction on the inner heating pipe, and one end of the water outlet channel is connected with the water outlet pipe; a plurality of heating channels are formed on the inner heating pipe on the outer periphery of the water outlet channel, and each heating channel is equidistant along the circumference of the water outlet channel Arrangement; the end of the internal heating pipe close to the water inlet connection is formed with a connecting part connecting the heating channel and the water outlet channel;

The inside of the inner heating tube is formed with conductive ceramics, and the side wall of the inner heating tube is formed with a connection part that penetrates to the outside of the outer tube; the conductive ceramics include a plurality of conductive rings arranged equidistantly along the axial direction of the inner heating tube Each conductive ring is connected by two parallel conductive parts arranged along the length direction of the inner heating tube, and the parallel conductive part extends into the wiring part; each conductive ring includes an arc-shaped first A conductive part, two arc-shaped third conductive parts located on the outer circumference of each heating channel, and a second conductive part respectively connected between the two ends of the first conductive part and one end of the two third conductive parts, two The parallel conductive parts are respectively connected to the other ends of the two third conductive parts;

Each conductive ring is connected through parallel conductive parts to form a plurality of heating bodies arranged in parallel, and the wiring part is connected to the two parallel conductive parts through two wires.

Compared with the prior art, the beneficial effects of the present invention are: the mixer tap of the present invention is fixedly connected to the stove cabinet located outside a corner of the water tank through the threaded sleeve and the nut; Pipe and length Adjust the total length of the pipe, close the valve, open the mixing faucet, tap water flows in from the lower port of the mixing faucet, passes through the ceramic filter element in turn through the water outlet joint, drinking water joint, pressure limiting valve, drinking water outlet pipe, and water outlet connecting pipe, from the length The lower end of the regulating pipe flows out; when non-potable water needs to be taken, first open the valve and open the mixing faucet. Due to the existence of the pressure limiting valve, the tap water passes through the non-potable water outlet joint, the valve, and the non-potable water joint in turn, driving the cylinder and the ceramic filter element A small amount of dirt in between flows out from the water outlet together; when the mixing faucet is at the hot water outlet position, the ceramic heater heats the tap water in the tube, and the water flowing into the cylinder is hot water, the memory alloy spring of the outer ring and the inner ring The memory alloy spring is heated and elongated at the same time, driving the scrubbing plate to move upwards, cleaning the dirt attached to the outer wall of the ceramic filter element; The spring and the memory alloy spring of the inner ring shrink at the same time, driving the scrubbing plate to return to its original position; due to the existence of the pressure limiting valve, when the valve is opened, the water pressure in the drinking water outlet joint is too low, so that all the tap water flows out from the non-drinking water joint ; Since the mixing tap will be opened according to the use requirements during use, the effect of automatically cleaning the outer wall of the ceramic filter element without specially cleaning the outer wall of the ceramic filter element can be achieved.

Description of drawings

Fig. 1 is a schematic structural view of the multi-functional stove cabinet of the present invention.

Fig. 2 is a schematic cross-sectional structure diagram of the multi-functional stove cabinet of the present invention.

Fig. 3 is a structural schematic diagram of the present invention.

Fig. 4 is a schematic diagram of an exploded structure of the present invention.

Fig. 5 is a schematic structural view of the water outlet assembly and the connecting sleeve of the present invention.

Fig. 6 is a schematic diagram of an exploded structure of the cylinder body, the brush assembly and the ceramic filter element of the present invention.

Fig. 7 is a cross-sectional view of the barrel, the brush assembly and the ceramic filter element of the present invention.

Fig. 8 is a schematic structural view of the mixing faucet of the present invention.

Fig. 9 is a schematic structural view of the heater of the present invention.

Figure 10 is an exploded view of the heater of the present invention.

Fig. 11 is a schematic structural view of the ceramic heater of the present invention.

12 and 13 are sectional views of the ceramic heater of the present invention.

Figure 14 is a cross-sectional view of the heater joint of the present invention.

1. Water outlet component; 11. Rotating head; 111. Sliding groove; 112. Plug interface; 12. Non-drinking water outlet pipe; 13. Water outlet head; 131. Non-drinking water inlet connector; 14. Fixed cover; 15. Drinking Water outlet pipe; 152, water outlet connecting pipe; 153, length adjustment pipe; 1531, hand push part; 2, connecting sleeve; 21, screw; 22, U-shaped mouth; 31, valve; 32, pressure limiting valve; 4, barrel Body; 41. Drinking water outlet connector; 411. Filter element connector; 42. Non-drinking water outlet connector; 5. Brush assembly; 51. Scrubbing board; 511. Bristles; ; 53, fixed ring; 6, ceramic filter element; 61, upper cover plate; 62, water outlet joint; 7, mixing faucet; 71, connecting pipe; 711, connecting part; 73, threaded sleeve; Cabinet; 81. Sink; 9. Heater; 91. Ceramic heater; 911. Water inlet connection; 9111. Positioning ring; 912. Heating pipe; 9121. Outer pipe; 9122. Inner heating pipe; 9123. Outlet Channel; 9124, connecting column; 9125, heating channel; 9126, connecting column; 9127, water inlet channel; 9128, connecting part; 913, wiring part; 914, connecting column; , first conductive part; 9162, second conductive part; 9163, third conductive part; 9164, parallel conductive part; 92, metal connector; 921, heater connector; 9211, gap; Positioning step; 922, water pipe joint; 93, lock nut; 94, mounting plate; 95, connecting ring; 96, controller; 97, ultrasonic transducer; 98, sealing washer.

Detailed ways

A detailed description will be given below of specific embodiments of the present invention according to the accompanying drawings.

Example 1

According to Fig. 3 to Fig. 8, a kind of household multi-function mixing faucet device described in this embodiment includes a mixing faucet 7, a cylinder 4 installed on the upper part of the mixing faucet, and a ceramic ceramic body installed in the cylinder. The filter element 6, the brush assembly 5 installed between the cylinder body and the ceramic filter element, the connection sleeve 2 fixedly connected to the upper end of the cylinder body, and the water outlet assembly 1 installed at the upper end of the connection sleeve.

The upper end of the mixing faucet is formed with an inverted tapered connecting pipe 71; the upper end of the connecting pipe is formed with a connecting part 711 that is matched with the lower part of the cylinder body; the lower part of the inner wall of the mixing faucet is equipped with a threaded sleeve 73; the threaded The lower part of the cover is threadedly connected with a nut part 74 .

The cylinder is in the shape of a cylinder with a closed upper end and an open lower end; a drinking water outlet joint 41 is formed in the middle of the upper end of the cylinder; a filter element joint 411 is formed on the top surface of the cylinder corresponding to the position of the water outlet joint; A non-potable water outlet connector 42 is formed at the upper end of the barrel at a position different from the drinking water outlet connector.

The ceramic filter element is in the shape of a cylinder with an open upper end and a closed lower end; an upper cover plate 61 is fixedly connected to the upper end of the ceramic filter element; a water outlet joint 62 fixedly connected to the filter element joint is formed in the middle of the upper cover plate.

The brush assembly includes a fixed ring 53 fixedly connected to the lower part of the cylinder, an outer ring memory alloy spring 521 and an inner ring memory alloy spring 522 fixedly connected to the upper end of the fixed ring, and an annular scrubbing plate 51; The upper end of the outer ring memory alloy spring is fixedly connected to the lower end of the scrubbing plate; the upper end of the inner ring memory alloy spring is fixedly connected to the lower end of the scrubbing plate, and the inner ring memory alloy spring, the outer ring memory alloy spring and the scrubbing plate The connection positions are separated by 180° along the scrubbing plate; the inner wall of the scrubbing plate is fixedly connected with bristles 511 for brushing dirt on the outer wall of the ceramic filter element. The outer ring memory alloy spring and the inner ring memory alloy spring can shrink when heated, and at the same time drive the scrubbing plate at the upper end of the outer ring memory alloy spring and the inner ring memory alloy spring to drop; when the temperature drops, the outer ring memory alloy spring will The spring and the memory alloy spring of the inner ring are restored to the original length, and the scrubbing plate is reset. The two memory alloy springs cooperate to drive the movement of the scrubbing plate, which can ensure that the scrubbing plate is always parallel to the horizontal direction during the moving process, and will not be stuck due to the tilt of the scrubbing plate.

The upper part of the connecting sleeve is uniformly fixedly connected with more than three screws 21 along the circumferential direction; the front end of the screw is hemispherical; the inside of the connecting sleeve is installed with a pressure limiting valve 32 and a valve 31; The drinking water outlet joint of the cylinder body; the lower end of the valve is fixedly connected to the non-drinking water outlet joint.

The water outlet assembly includes a rotating head 11, a non-potable water outlet pipe 12 formed on the upper end of the rotating head and a drinking water outlet pipe 15 rotatably connected to the rotating head; the upper end of the rotating head is different from the non-drinking water The position of the drinking water outlet pipe is formed with a socket 112 that is rotatably connected to the drinking water outlet pipe; the rotating head is cylindrical in shape with the upper end closed and the lower end open; the lower part of the outer wall of the rotating head is formed with a Cooperate with the sliding groove 111 for sliding connection; the inner side of the lower part of the non-drinking water outlet pipe is equipped with a water outlet 13; the upper end of the water outlet is formed with a non-drinking water inlet joint 131; A bubbler is fixedly connected between the lower ends of the water pipes; the lower end of the non-drinking water outlet pipe is fixedly connected with a fixed cover 14; the outlet end of the drinking water outlet pipe is fixedly connected with an outlet connecting pipe 152; the lower part of the outlet connecting pipe slides A length adjustment pipe 153 is sleeved; the non-drinking water inlet joint is connected to the upper end of the valve by a second flexible pipe 1531; the water inlet end of the drinking water outlet pipe is connected to the upper end of the pressure limiting valve by a first flexible pipe; The non-drinking water connector is connected to the upper end of the valve through a second flexible pipe. The length adjustment pipe makes the height of the water outlet at the lower end adjustable. When the water container is low, the length adjustment pipe is adjusted downward to avoid splashing and wetting the stove cabinet.

The drinking water outlet joint and the inner wall of the non-drinking water outlet joint are respectively formed with internal threads; the lower part of the pressure limiting valve is threadedly connected to the drinking water outlet joint; the lower part of the valve is connected to the non-drinking water outlet joint threaded connection.

A U-shaped opening 22 is opened at the lower part of the connecting sleeve for the handle of the valve to pass through.

The upper end of the water outlet connecting pipe is threadedly connected with the outlet end of the drinking water outlet pipe; the outer wall of the lower end of the water outlet connecting pipe is formed with a positioning ring that matches the upper end of the length adjustment pipe; the outer wall of the water outlet connecting pipe is located at the positioning The position above the ring is fixedly sleeved with a sealing ring.

Example 2

According to Fig. 1 to Fig. 8, a stove cabinet described in this embodiment; a sink 81 is installed on the upper end of the stove cabinet 8; The household multifunctional mixing faucet device described above; the lower end of the mixing faucet is connected with a cold water pipe and a hot water pipe; a heater 9 is connected to the pipeline of the hot water pipe.

The mixing faucet of the present invention is fixedly connected to the stove cabinet located outside a corner of the sink through threaded sleeves and nuts; when drinking water is needed, first adjust the total length of the water outlet connecting pipe and the length adjusting pipe by hand, close the valve, and open the mixing faucet , tap water flows in from the lower port of the mixing faucet, passes through the ceramic filter element successively through the water outlet joint, drinking water joint, pressure limiting valve, drinking water outlet pipe, and water outlet connecting pipe, and flows out from the lower end of the length adjustment pipe; when non-drinking water is needed, first Open the valve, open the mixing faucet, due to the existence of the pressure limiting valve, the tap water passes through the non-drinking water outlet joint, the valve, and the non-drinking water joint in turn, driving a small amount of dirt between the cylinder body and the ceramic filter element to flow out from the water outlet; The faucet is located at the hot water outlet position, so that the ceramic heater heats the tap water in the tube, and the water flowing into the cylinder is hot water. The outer ring memory alloy spring and the inner ring memory alloy spring are heated and elongated at the same time, driving the scrubbing plate to move upward. Clean the dirt attached to the outer wall of the ceramic filter element; when the mixing faucet is turned off or cold water is taken, the ceramic heater will no longer heat, the temperature in the cylinder will gradually drop, and the outer memory alloy spring and the inner memory alloy spring will contract simultaneously, driving the scrubber to recover Original position; due to the existence of the pressure limiting valve, when the valve is opened, the water pressure in the drinking water outlet joint is too small, so that all the tap water flows out from the non-drinking water joint; because the mixing faucet will be opened according to the use requirements during use, so as to achieve The effect of automatically cleaning the outer wall of the ceramic filter element without cleaning the outer wall of the ceramic filter element.

Example 3

Compared with Embodiment 1 or 2, this embodiment also includes the following features:

As shown in Figures 9 to 14, the lower end of the mixing faucet is connected with a cold water pipe and a hot water pipe; a heater 9 is connected to the pipeline of the hot water pipe; the heater 9 includes a ceramic heater 91, The metal joints 92 respectively connected to the two ends of the ceramic heater, and the locking nuts 93 for locking and fixing the metal joints on the ceramic heater;

The ceramic heater includes a cylindrical heating pipe part 912, a water inlet connecting pipe 911 integrally formed at one end of the heating pipe part, and a water outlet connecting pipe 915 integrally formed at the other end of the heating pipe part; the water inlet connecting pipe and the water outlet connecting pipe The outer wall of the outer end is formed with a convex positioning ring 9111;

The metal joint 92 includes an integrally formed heater joint 921 and a water pipe joint 922. The inner wall of the outer end of the heater joint is formed with a clamping protruding ring 9212 cooperating with the positioning ring. The heater joint The inner wall is formed with a positioning step 9213, and a sealing gasket 98 is installed between the positioning step and the ends of the water inlet and outlet pipes; the outer end of the heater joint is equidistantly formed with more than 3 notches 9211 along the circumferential direction;

The heating tube part includes a circular tube-shaped outer tube part 9121 and a cylindrical inner heating tube 9122 inside the outer tube part; water inlet is formed between the outer wall of the inner heating tube and the inner wall of the outer tube part Channel 9127, a plurality of connecting columns 9126 are connected between the outer wall of the inner heating tube and the inner wall of the outer tube part, and a plurality of connecting columns 9124 are connected between the end of the inner heating tube near the water outlet pipe and the outer tube part A liquid passage connecting the water inlet channel and the heating channel is formed between every two adjacent connecting columns; a water outlet channel 9123 is formed in the axial direction on the inner heating tube, and one end of the water outlet channel is connected with the water outlet connecting pipe; A plurality of heating channels 9125 are formed on the outer periphery of the inner heating tube located on the water outlet channel, and each heating channel is arranged equidistantly along the circumferential direction of the water outlet channel; the end of the inner heating tube close to the water inlet connection is formed to communicate with the heating channel and the water outlet. Channel connecting part 9128;

Conductive ceramics 916 are molded inside the inner heating tube, and a connection portion penetrating to the outside of the outer tube is formed on the side wall of the inner heating tube; Each conductive ring is connected by two parallel conductive parts 9164 arranged along the length direction of the inner heating tube, and the parallel conductive part extends into the wiring part; each conductive ring includes a circle located on the inner circumference of each heating channel An arc-shaped first conductive part, two arc-shaped third conductive parts 9163 located on the outer circumference of each heating channel, and a second conductive part respectively connected between the two ends of the first conductive part and one end of the two third conductive parts. part 9162, the two parallel conductive parts are respectively connected to the other ends of the two third conductive parts;

Each conductive ring is connected by a parallel conductive part to form a plurality of heating bodies arranged in parallel, and the wiring part is connected to the two parallel conductive parts through two wires;

The outer wall of the outer tube part is formed with a connecting cylinder 914, and the connecting cylinder is connected with an ultrasonic transducer 97 through two semicircular connecting rings 95, and the ultrasonic transducer is installed on a mounting plate 94, a controller 96 is installed on the mounting board, and a transducer driving circuit is included in the controller.

The inner wall of the connecting ring is formed with two inner convex rings, the outer wall of the ultrasonic transducer and the outer wall of the connecting cylinder are formed with an inner concave ring that is matched with the inner convex ring, and the two connecting rings are connected by bolts.

A flowmeter is installed on the pipeline between the heater and the mixing faucet, and the flowmeter is electrically connected to the controller. When the flowmeter detects that there is water flow in the pipeline, the controller controls the heater to heat; when the flowmeter detects When the amount of water flowing in the pipeline reaches the set value, the ultrasonic transducer is driven by the transducer drive circuit for 1 to 5 minutes, so that the scale in the heater is separated from the inner wall of the heater to ensure the heat conduction effect.

The ceramic heater uses a 3D printing device with three print heads based on the thermal solution lamination method. One print head prints the conductive ceramic part, and the other print head prints the other parts of the ceramic heater. After printing each layer of green body At the same time, the hollow part of the ceramic heater body of the third print head is used to print paraffin; after the printing is completed, it is heated at a low temperature for dewaxing, and after sintering, an integrated ceramic heater is formed. Of course, the ceramic heater can also be formed in blocks using traditional molds, then spliced, and finally sintered.

The above-mentioned structure of the ceramic heater allows the water entering it to flow through the outer circumference of the inner heating tube and the inner circumference of the inner heating tube in sequence, so that the water can be fully heated. At the same time, with such a structure, the temperature of the water in the water inlet channel Compared with the heating channel and the water outlet channel, the water temperature is lower, so when the ceramic heater works, the central temperature is high and the external temperature is low, so it is safe to use and has good stability.

Claims (2)

1. A household multi-functional water mixing faucet device, characterized in that: it includes a water mixing faucet, a cylinder installed on the upper part of the water mixing faucet, a ceramic filter element installed in the cylinder, installed between the cylinder and the The brush assembly between the ceramic filter elements, the connecting sleeve fixedly connected to the upper end of the cylinder body, and the water outlet assembly installed on the upper end of the connecting sleeve; The upper end of the mixing faucet is formed with an inverted tapered connecting pipe; the upper end of the connecting pipe is formed with a connecting part that is matched with the lower part of the cylinder body; the lower part of the inner wall of the mixing faucet is installed with a threaded sleeve; the lower part of the threaded sleeve is threaded connected with nut pieces; The cylinder is in the shape of a cylinder with a closed upper end and an open lower end; a drinking water outlet joint is formed in the middle of the upper end of the cylinder; a filter element joint is formed on the top surface of the cylinder corresponding to the position of the water outlet joint; A non-potable water outlet connector is formed at the upper end of the cylinder at a position different from the drinking water outlet connector; The ceramic filter element is in the shape of a cylinder with an open upper end and a closed lower end; the upper end of the ceramic filter element is fixedly connected with an upper cover plate; the middle position of the upper cover plate is formed with a water outlet joint fixedly connected with the filter element joint; The brush assembly includes a fixed ring fixedly connected to the lower part of the cylinder, an outer ring memory alloy spring and an inner ring memory alloy spring fixedly connected to the upper end of the fixed ring, and an annular scrubbing plate; the outer ring The upper end of the memory alloy spring is fixedly connected to the lower end of the scrubbing plate; the upper end of the inner ring memory alloy spring is fixedly connected to the lower end of the scrubbing plate, and the connection positions of the inner ring memory alloy spring, the outer ring memory alloy spring and the scrubbing plate are along the brushing The plates are separated by 180°; the inner wall of the scrubbing plate is fixedly connected with bristles for brushing the dirt on the outer wall of the ceramic filter element; The upper part of the connecting sleeve is evenly fixed and connected with more than three screws along the circumferential direction; the front end of the screw is a hemisphere; the inside of the connecting sleeve is installed with a pressure limiting valve and a valve; the lower end of the pressure limiting valve is fixedly connected to the cylinder the drinking water outlet joint; the lower end of the valve is fixedly connected to the non-drinking water outlet joint; The water outlet assembly includes a rotating head, a non-drinking water outlet pipe formed on the upper end of the rotating head and a drinking water outlet pipe rotatably connected to the rotating head; the upper end of the rotating head is different from the non-drinking water outlet. The position of the water pipe is formed with a socket that is rotatably connected to the drinking water outlet pipe; the rotating head is cylindrical in shape with a closed upper end and an open lower end; sliding groove; the inner side of the lower part of the non-drinking water outlet pipe is equipped with a water outlet; the upper end of the water outlet is formed with a non-drinking water inlet joint; the lower end of the water outlet is fixedly connected with the lower end of the non-drinking water outlet pipe. Bubbler; the lower end of the non-drinking water outlet pipe is fixedly connected with a fixed cover; the outlet end of the drinking water outlet pipe is fixedly connected with a water outlet connection pipe; the lower part of the water outlet connection pipe is slidingly sleeved with a length adjustment pipe; The middle outer wall of the length adjustment pipe is formed with an annular hand-push part; the non-drinking water inlet joint is connected to the upper end of the valve through a second hose; the water inlet end of the drinking water outlet pipe and the upper end of the pressure limiting valve are connected through a first soft hose pipe connection; the non-drinking water connector is connected to the upper end of the valve through a second flexible pipe; The drinking water outlet joint and the inner wall of the non-drinking water outlet joint are respectively formed with internal threads; the lower part of the pressure limiting valve is threadedly connected to the drinking water outlet joint; the lower part of the valve is connected to the non-drinking water outlet joint threaded connection; The lower part of the connecting sleeve is provided with a U-shaped opening for the handle of the valve to pass through; The upper end of the water outlet connecting pipe is threadedly connected with the outlet end of the drinking water outlet pipe; the outer wall of the lower end of the water outlet connecting pipe is formed with a positioning ring that matches the upper end of the length adjustment pipe; the outer wall of the water outlet connecting pipe is located at the positioning The position above the ring is fixedly sleeved with a sealing ring. 2. A household multi-function mixing faucet device as claimed in claim 1, characterized in that: the lower end of the mixing faucet is connected with a cold water pipe and a hot water pipe; the pipeline of the hot water pipe is connected with a heater, The heater includes a ceramic heater, metal joints respectively connected to both ends of the ceramic heater, and locking nuts for locking and fixing the metal joints on the ceramic heater; The ceramic heater includes a cylindrical heating pipe part, a water inlet connecting pipe integrally formed at one end of the heating pipe part, and a water outlet connecting pipe integrally formed at the other end of the heating pipe part; the outer ends of the water inlet connecting pipe and the water outlet connecting pipe The outer wall of the outer part is formed with a convex positioning ring; The metal joint includes an integrally formed heater joint and a water pipe joint, the inner wall of the outer end of the heater joint is formed with a clamping protruding ring that cooperates with the positioning ring, and the inner wall of the heater joint is formed with a positioning ring. Steps, sealing gaskets are installed between the positioning steps and the ends of the water inlet and outlet pipes; the outer end of the heater joint is equidistantly formed with more than 3 gaps along the circumferential direction; The heating pipe part includes a round pipe-shaped outer pipe part and a cylindrical inner heating pipe located inside the outer pipe part; a plurality of joints are connected between the outer wall of the inner heating pipe and the inner wall of the outer pipe part A column, a plurality of connecting columns are connected between the end of the inner heating pipe close to the water outlet connecting pipe and the outer pipe part, and a liquid passage connecting the water inlet channel and the heating channel is formed between every two adjacent connecting columns; A water outlet channel is formed in the axial direction on the inner heating pipe, and one end of the water outlet channel is connected with the water outlet pipe; a plurality of heating channels are formed on the inner heating pipe on the outer periphery of the water outlet channel, and each heating channel is equidistant along the circumference of the water outlet channel Arrangement; the end of the internal heating pipe close to the water inlet connection is formed with a connecting part connecting the heating channel and the water outlet channel; The inside of the inner heating tube is formed with conductive ceramics, and the side wall of the inner heating tube is formed with a connection part that penetrates to the outside of the outer tube; the conductive ceramics include a plurality of conductive rings arranged equidistantly along the axial direction of the inner heating tube Each conductive ring is connected by two parallel conductive parts arranged along the length direction of the inner heating tube, and the parallel conductive part extends into the wiring part; each conductive ring includes an arc-shaped first A conductive part, two arc-shaped third conductive parts located on the outer circumference of each heating channel, and a second conductive part respectively connected between the two ends of the first conductive part and one end of the two third conductive parts, two The parallel conductive parts are respectively connected to the other ends of the two third conductive parts; Each conductive ring is connected through parallel conductive parts to form a plurality of heating bodies arranged in parallel, and the wiring part is connected to the two parallel conductive parts through two wires.