CN214331576U

CN214331576U - Valve core and electric heating faucet

Info

Publication number: CN214331576U
Application number: CN202120283738.9U
Authority: CN
Inventors: 朱科力; 童科全
Original assignee: Ningbo Dezhi Kitchen And Sanitary Appliances Manufacturing Co ltd
Current assignee: Ningbo Dezhi Kitchen And Sanitary Appliances Manufacturing Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-10-01
Anticipated expiration: 2031-02-01

Abstract

The utility model discloses a valve core and an electric heating faucet, wherein the electric heating faucet comprises a faucet body, the interior of the faucet body is provided with a valve body used for switching the on-off of liquid flow, the valve body is internally provided with the valve core, the valve core comprises a valve core body, a liquid flow cavity is formed in the valve core body, the valve core body is provided with at least one liquid flow inlet and two liquid flow outlets communicated to the liquid flow cavity, and a liquid flow switching assembly is rotatably arranged in the valve core body and used for switching the on-off of the liquid flow outlets; the liquid flow switching assembly is provided with a ball head structure, and the ball head structure can be positioned at a position for plugging one of the liquid flow outlets or at a position for keeping the two liquid flow outlets conducted in the rotating process of the liquid flow switching assembly. In the technical scheme, the on-off switching of the liquid flow outlet is realized by the ball head structure, so that the whole valve core structure and the liquid flow switching function are more stable and reliable and are not easy to damage, and meanwhile, the assembly production and the disassembly and assembly maintenance of the whole valve core structure are more convenient.

Description

Valve core and electric heating faucet

Technical Field

The utility model relates to a kitchen electrical equipment technical field especially relates to a case and electric hot water tap.

Background

Along with the development of social economy, the electric heating faucet is more and more popular with people, and especially, an installation-free electric heating faucet newly appears in the market, and the electric heating faucet is generally provided with a cold water outlet and a hot water outlet, and realizes the switching of cold water and hot water through a control valve assembly in the electric heating faucet. The structure of the ball valve generally comprises a hot water channel which is closed independently and a cold water channel which is closed independently, but has no function of adjusting the size of water flow; the realization mode of the existing valve core structure usually sets up the function of liquid stream switching and on-off liquid stream by the structure of the valve plate with the notch after one or two liquid stream outlets are arranged, the use effect is better, the basic requirements of users can be met, but the installation and the alignment requirements are higher and inconvenient in production assembly and later maintenance, the liquid stream switching assembly is assembled in a water inlet connecting piece through an elastic assembly by the scheme in the prior art, the whole assembly and disassembly are needed in the disassembly and assembly process, the disassembly and assembly of independent parts can not be carried out, and the work burden of operators is larger.

SUMMERY OF THE UTILITY MODEL

In view of the above problems in the prior art, a valve element and an electric heating faucet are provided to overcome the above technical shortcomings, wherein the valve element is more stable and reliable in the whole valve element structure and the liquid flow switching function, and is convenient to disassemble, assemble and maintain.

The specific technical scheme is as follows:

a valve core comprises a valve core body, wherein a liquid flow cavity is formed in the valve core body, at least one liquid flow inlet, a first liquid flow outlet and a second liquid flow outlet which are communicated with the liquid flow cavity are formed in the valve core body, and a liquid flow switching assembly is rotatably arranged in the valve core body and used for switching the connection and disconnection of the two liquid flow outlets;

the liquid flow switching assembly is provided with a ball head structure, and the ball head structure can be provided with a first rotating position at which the first liquid flow outlet is communicated with the liquid flow cavity and the second liquid flow outlet is disconnected with the liquid flow cavity, a second rotating position at which the first liquid flow outlet is disconnected with the liquid flow cavity and the second liquid flow outlet is communicated with the liquid flow cavity, and a third rotating position at which the first liquid flow outlet and the second liquid flow outlet are communicated with the liquid flow cavity in the rotating process of the liquid flow switching assembly.

Preferably, the liquid flow switching assembly comprises a rotating seat, an elastic member and a ball pin, and the rotating seat is rotatably arranged in the valve core body;

the front end of the rotating seat is provided with a mounting structure, the front part of the ball pin forms a ball structure, the rear part of the ball pin forms a shaft part, the elastic component is sleeved on the periphery of the shaft part, the front end of the elastic component is abutted against the ball structure, and the rear end of the elastic component is assembled with the mounting structure and used for providing forward elastic force for the ball structure.

Preferably, the valve core body comprises a rear shell and an end cover detachably mounted at the front end of the rear shell, the rear shell and the end cover jointly enclose a liquid flow cavity, the liquid flow inlet is arranged on the side portion of the rear shell, and the liquid flow outlet penetrates through the front end face and the rear end face of the end cover.

Preferably, the rear end face of the end cover is further provided with a sealing member, the sealing member is provided with two through holes opposite to the positions of the liquid flow outlets, and the front end of the ball stud is positioned at a position extending into one of the through holes or a position abutting against the rear end face of the sealing member in the rotating process of the rotating seat.

Preferably, the mounting structure is a mounting groove, at least a part of the elastic member and the ball stud is accommodated in the mounting groove, and the rear end of the elastic member extends into the mounting groove and abuts against the inner bottom surface of the mounting groove.

Preferably, the elastic member is a spring.

Preferably, the rear end face of the end cover is recessed to form a groove matched with the shape of the sealing member, and the sealing member is embedded in the groove.

Preferably, the sealing member is made of a rubber material.

Preferably, the annular protrusion in the groove is provided with two annular protrusions surrounding the liquid outlet, and the front end surface of the sealing member is provided with two annular grooves matched with the annular protrusions in shape.

The utility model also provides an electric heating faucet, including the tap body, this internal valve body that is used for switching the liquid stream break-make that has of tap has in the valve body as above the case.

The beneficial effects of the above technical scheme are that:

the valve core comprises a valve core body and a liquid flow switching assembly, the liquid flow switching assembly is provided with a ball head structure, and the ball head structure is used for realizing on-off switching of the liquid flow outlet, so that the whole valve core structure and the liquid flow switching function are more stable and reliable, the valve core is not easy to damage, and meanwhile, the assembly production, the disassembly and the assembly and the maintenance of the whole valve core structure are more convenient.

Drawings

FIG. 1 is a perspective view of the valve cartridge of the present invention;

FIG. 2 is an exploded view of the valve cartridge of the present invention;

fig. 3 is an exploded view of the valve element of the present invention from another view angle;

fig. 4 is a cross-sectional view of the valve cartridge of the present invention;

fig. 5 is a sectional view of the valve core of the present invention in an exploded state;

fig. 6 is a perspective view of the valve element according to the present invention after the end cap and the sealing member are removed.

Detailed Description

In order to make the technical means, creation features, achievement purposes and effects of the present invention easy to understand, the following embodiments are specifically illustrated in conjunction with the accompanying drawings. And defines the direction from left to right as viewed on the paper in fig. 4 as the direction from front to back in this embodiment.

In the first embodiment, the first step is,

referring to fig. 1 to 6, the valve core provided in this embodiment includes a valve core body 1, a fluid chamber is formed in the valve core body 1, at least one fluid inlet 13, a first fluid outlet 14 and a second fluid outlet 17 communicated to the fluid chamber are opened on the valve core body 1, a liquid flow switching component 2 is rotatably arranged in the valve core body 1 and is used for switching the on-off of the liquid flow outlet 14, the liquid flow switching component 2 is provided with a ball head structure, and the ball head structure can have a first rotation position at which the first liquid outlet 14 is communicated with the liquid flow cavity and the second liquid outlet 17 is disconnected from the liquid flow cavity, a second rotation position at which the first liquid outlet 14 is disconnected from the liquid flow cavity and the second liquid outlet 17 is communicated with the liquid flow cavity, and a third rotation position at which the first liquid outlet 14 and the second liquid outlet 17 are communicated with the liquid flow cavity during the rotation of the liquid flow switching assembly 2.

Based on above-mentioned technical scheme, the case includes case body 1 and liquid stream switching module 2, and liquid stream switching module 2 has the bulb structure to realize the break-make switching of liquid stream export by the bulb structure, make whole case structure and liquid stream switching function more reliable and stable, be difficult for damaging, the assembly production and the dismouting maintenance of whole case structure are also more convenient simultaneously.

In a preferred embodiment, the liquid flow switching assembly 2 includes a rotating seat 21, an elastic member 22 and a ball pin 23, the rotating seat 21 is rotatably installed in the valve core body 1, a front end of the rotating seat 21 has an installation structure 24, a front portion of the ball pin 23 forms a shaft portion of the ball structure, the elastic member 22 is sleeved on the periphery of the shaft portion, a front end of the elastic member abuts against the ball structure, and a rear end of the elastic member 22 is assembled with the installation structure 24 to provide elastic force to the ball structure in a forward direction, so that the ball structure can move in the forward and backward directions. Specifically, in the present embodiment, the mounting structure 24 is a mounting groove, at least a portion of the elastic member 22 and the ball stud 23 are accommodated in the mounting groove, and the rear end of the elastic member 22 extends into the mounting groove and abuts against the inner bottom surface of the mounting groove. However, it is obvious that the mounting structure 24 may be a structure such as a convex pillar, and the rear end of the elastic member 22 is sleeved on the convex pillar and abutted against each other, which can also achieve the above technical purpose, but is not limited thereto. Therefore, in specific application, the problem that the sealing performance cannot be ensured due to overlarge water pressure when the liquid outlet is blocked by the ball head structure can be solved. Meanwhile, the ball head structure can be realized by combining other structures, for example, a plurality of arc-shaped grooves are formed in the rotating seat 21, and a positioning clamping groove structure is arranged on the rotating seat, the ball head structure is located in the arc-shaped grooves and drives the ball head structure to move to a position for blocking one of the liquid flow outlets when the rotating seat 21 rotates, the technical purpose can be realized without being limited to the arc-shaped grooves, and the ball head pin 23 adopted in the embodiment enables the whole structure to be more stable and reliable. Further, the elastic member 22 is a spring, but other similar members such as an elastic rubber column may be used, but not limited thereto. In the present embodiment, the rear end of the rotary seat 21 extends rearward out of the valve body 1 to connect with the rotary handle, but the rotary seat 21 may be completely hidden in the valve body 1 and rotated by a rotary member, which is not limited to this.

In a preferred embodiment, as shown in fig. 2 to 5 in particular, the valve core body 1 includes a rear housing 11, an end cap 12 detachably mounted on the front end of the rear housing 11, and the rear housing 11 and the end cap 12 together enclose the above-mentioned liquid flow chamber, and the liquid flow inlet 13 is opened on the side of the rear housing 11, and two liquid flow outlets are opened through the front and rear end faces of the end cap 12. Furthermore, a sealing member 3 is further assembled on the rear end face of the end cover 12, two through holes 31 opposite to the positions of the liquid flow outlets are formed in the sealing member 3, and the front end of the ball stud 23 is located at a position extending into one of the through holes or at a position abutting against the rear end face of the sealing member 3 in the rotating process of the rotating seat 21, and corresponds to the position for blocking at least a part of one of the liquid flow outlets and the position where no overlapping part exists between the two liquid flow outlets. Furthermore, the two liquid flow outlets are respectively communicated with a cold water flow channel and a hot water flow channel in the electric heating faucet, but obviously, only one or more than two liquid flow outlets can be arranged, and a flow dividing structure is arranged in the rear structure, so that the basic requirements of the valve core structure are met. In addition, in this embodiment, the end cap 12 is fastened to the front end of the rear housing 11, but the end cap may be detachably connected by a fastening member so as to be easily disassembled and assembled. And in this embodiment the number of liquid flow inlets 13 is four arranged uniformly in a ring.

In a further preferred embodiment, the rear end face of the end cap 12 is recessed to form a groove 15 matching the shape of the sealing member 3, and the sealing member 3 has two through holes 31 and is fitted into the groove 15. Further, the sealing member 3 is made of a rubber material. Further, the sealing member 3 is formed in a shape of "8" as a whole, more specifically, approximately the structure of eyeglasses, which is generally called an eyeglass lens in production. However, in the present embodiment, the sealing member 3 mainly functions as an abutting surface of the ball stud 23, is made of a rubber material, and has a sealing function, so that the sealing performance of the fluid passage in the operating state of the ball structure can be ensured, the specific shape does not affect the technical purpose of the present embodiment, and the shape of the glasses used in the present embodiment may be various shapes such as an oval shape and a square shape, but is not limited thereto.

In a further preferred embodiment, the annular protrusion in the groove 15 on the rear end face of the end cap 12 is formed with two annular protrusions 16 surrounding the liquid outlet, and the front end face of the sealing member 3 is formed with two annular grooves 32 matching the shape of the annular protrusion 16 to facilitate positioning and assembling of the two. In addition, the rear end surface of the rear housing 11 has a passage for passing through the rotating seat 21, and a plurality of sealing rings are further disposed on the joint surface of the rear housing 11 and the rotating seat 21 to ensure the sealing effect therebetween, which is a conventional arrangement, and thus the detailed description thereof is omitted.

In the second embodiment, the first embodiment of the method,

the electric heating faucet that this embodiment provided includes the tap body, has the valve body that is used for switching the liquid stream break-make in the tap body, has the case as in above-mentioned embodiment one in the valve body for the liquid stream switches the function more reliable and stable, and the whole easy dismounting of electric heating faucet, has alleviateed operating personnel's work burden greatly.

The foregoing is only a preferred embodiment of the present invention, which is illustrative, not limiting. Those skilled in the art will appreciate that many variations, modifications, and equivalents may be made thereto without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A valve core comprises a valve core body (1), wherein a liquid flow cavity is formed in the valve core body (1), at least one liquid flow inlet (13), a first liquid flow outlet (14) and a second liquid flow outlet (17) which are communicated with the liquid flow cavity are formed in the valve core body (1), and a liquid flow switching assembly (2) is rotatably arranged in the valve core body (1) and used for switching the connection and the disconnection of the two liquid flow outlets; it is characterized in that the preparation method is characterized in that,

the liquid flow switching component (2) is provided with a ball head structure, and the ball head structure can be provided with a first rotating position enabling the first liquid flow outlet (14) to be communicated with the liquid flow cavity and the second liquid flow outlet (17) to be disconnected with the liquid flow cavity, a second rotating position enabling the first liquid flow outlet (14) to be disconnected with the liquid flow cavity and the second liquid flow outlet (17) to be communicated with the liquid flow cavity, and a third rotating position enabling the first liquid flow outlet (14) and the second liquid flow outlet (17) to be communicated with the liquid flow cavity in the rotating process of the liquid flow switching component (2).

2. The cartridge according to claim 1, wherein the fluid flow switching assembly (2) comprises a rotary seat (21), an elastic member (22) and a ball stud (23), the rotary seat (21) being rotatably mounted in the cartridge body (1);

the front end of the rotating seat (21) is provided with an installation structure (24), the front part of the ball pin (23) forms a ball structure, the rear part of the ball pin forms a shaft part, the elastic member (22) is sleeved on the periphery of the shaft part, the front end of the elastic member (22) is abutted against the ball structure, and the rear end of the elastic member (22) is assembled with the installation structure (24) and used for providing forward elastic force for the ball structure.

3. The valve core according to claim 2, wherein the valve core body (1) comprises a rear shell (11) and an end cover (12) which is detachably mounted at the front end of the rear shell (11), the rear shell (11) and the end cover (12) jointly enclose the liquid flow cavity, the liquid flow inlet (13) is arranged at the side part of the rear shell (11), and the two liquid flow outlets penetrate through the front end surface and the rear end surface of the end cover (12).

4. The valve core according to claim 3, characterized in that a sealing member (3) is further assembled on the rear end surface of the end cover (12), two through holes (31) opposite to the liquid outlet are formed in the sealing member (3), and the front end of the ball stud (23) is in a position of extending into one of the through holes (31) or abutting against the rear end surface of the sealing member (3) in the rotating process of the rotating seat (21).

5. The valve cartridge of claim 2, wherein the mounting structure (24) is a mounting groove, and the resilient member (22) and at least a portion of the ball stud (23) are received in the mounting groove, and a rear end of the resilient member (22) extends into the mounting groove and abuts against an inner bottom surface of the mounting groove.

6. Valve cartridge according to claim 2, characterized in that the resilient member (22) is a spring.

7. The valve cartridge according to claim 4, characterized in that the rear end face of the end cap (12) is recessed to form a groove (15) matching the shape of the sealing member (3), and the sealing member (3) is embedded in the groove (15).

8. The cartridge according to claim 4, characterized in that the sealing member (3) is made of rubber material.

9. The valve cartridge according to claim 7, characterized in that the annular projection in the groove (15) has two annular projections (16) surrounding the liquid outlet, and the front end surface of the sealing member (3) is provided with two annular grooves (32) matching the shape of the annular projections (16).

10. An electric heating water tap, comprising a tap body, wherein a valve body for switching the flow of liquid is arranged in the tap body, and the valve body is internally provided with a valve core according to any one of claims 1 to 9.