CN214500101U

CN214500101U - Faucet valve element

Info

Publication number: CN214500101U
Application number: CN202120308849.0U
Authority: CN
Inventors: 方川予
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-10-26
Anticipated expiration: 2031-02-03

Abstract

The utility model discloses a tap valve core, it relates to case technical field, and it includes valve body subassembly, valve body mounting, case pivot subassembly includes case pivot internals, case pivot shell is made by stainless steel tubular product, the upper end of case pivot shell is provided with the connecting piece, the connecting piece with case pivot internals parcel shaping, case pivot internals cooperation case pivot shell injection moulding, the outside at case pivot shell is established to valve body mounting cover, the valve body subassembly includes the stainless steel valve body, and the outside at the valve body mounting is established to stainless steel valve body cover, the bottom of case pivot shell sets up in the valve body subassembly. After the technical scheme is adopted, the utility model discloses tap case convenient processing, cost are lower, life is longer more healthy to the human body.

Description

Faucet valve element

Technical Field

The utility model relates to a case technical field, concretely relates to faucet valve element.

Background

A valve element is a valve part by means of which the valve body performs the basic function of direction control, pressure control or flow control by means of its movement. The existing faucet valve core structure is a valve core rotating shaft, a valve body, a movable ceramic chip, a fixed ceramic chip, a silica gel pad, a friction ring, a clamp spring and a sealing ring, wherein the valve core rotating shaft and the valve body are made of brass materials or plastic materials, and the valve core rotating shaft is designed into a general integrated mode, so that the faucet valve core structure has the following problems:

1. the rotating shaft of the valve core and the valve body are made of brass materials, so that the problem that the content of lead in the materials exceeds the standard exists, and the health of a human body is influenced;

2. the valve core rotating shaft and the valve body are made of plastic materials, so that the problems of insufficient strength, quick product aging, short service life and the like exist;

3. the valve core rotating shaft is made of an integrated type, the machining process is complex, more metal chips are easily produced during machining and cutting, materials are wasted, and the cost of finished products is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a convenient processing, the cost is lower, life is longer to the more healthy tap valve element of human body to prior art's defect and not enough.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a faucet valve element, its includes valve body subassembly, valve body mounting and case pivot subassembly, case pivot subassembly includes case pivot internals, case pivot shell is made by stainless steel tubular product, the upper end of case pivot shell is provided with the connecting piece, the connecting piece with case pivot internals parcel shaping, case pivot internals cooperation case pivot shell injection moulding, the outside at case pivot shell is established to valve body mounting cover, the valve body subassembly includes the stainless steel valve body, and the outside at the valve body mounting is established to stainless steel valve body cover, the bottom setting of case pivot shell is in the valve body subassembly. The stainless steel pipe is a standard stainless steel pipe.

Further, the faucet valve core further comprises a sealing ring, the sealing ring is arranged between the inner side wall of the valve core rotating shaft shell and the valve core rotating shaft internal part, and the sealing ring is arranged between the outer side wall of the valve body fixing part and the stainless steel valve body.

After the technical scheme is adopted, the utility model discloses the tap case, case pivot shell adopts stainless steel material to make, be difficult for rustting, and reduced the lead content of tap case, the influence to health has been reduced, the stainless steel valve body cooperates with case pivot shell, hardness is higher, the product is difficult for ageing, and case pivot subassembly adopts split type preparation, case pivot internals injection moulding, case pivot shell and case pivot internals parcel shaping, make the intensity of case pivot subassembly better, can bear stronger torsion power way, the life of tap case has been prolonged, the course of working is comparatively simple, and stainless steel workable, it is difficult for causing the material extravagant, the cost is reduced.

Furthermore, the connecting piece is polygon external piece, the one end setting of polygon external piece is at the top of case pivot shell, and the equidistant arch that is to the outside that is provided with of polygon external piece, case pivot internals injection moulding has the polygon internal piece with polygon external piece matched with, the equidistant recess that sets up with the crisscross setting of the protruding on the polygon external piece that is provided with of polygon internal piece, the parcel of polygon external piece is in the outside of polygon internal piece.

Furthermore, the connecting piece is a hexagonal external connecting piece, one end of the hexagonal external connecting piece is arranged at the top of the valve core rotating shaft shell, the hexagonal internal connecting piece matched with the hexagonal external connecting piece is formed in the valve core rotating shaft internal piece in an injection molding mode, and the hexagonal external connecting piece is wrapped on the outer side of the hexagonal internal connecting piece.

Furthermore, the upper end of the connecting piece is provided with clamping grooves at equal intervals, the inner part of the valve core rotating shaft is injection-molded with convex blocks corresponding to the clamping grooves of the connecting piece, and the convex blocks and the clamping grooves are clamped with each other.

Furthermore, the connecting piece is a plug-in part, the lower end of the plug-in part is arranged at the top of the shell of the valve core rotating shaft, the upper end of the plug-in part is provided with a plug-in block, and the plug-in block is plugged in the inner part of the valve core rotating shaft.

Further, two circular holes are formed in the valve core rotating shaft shell, an O-shaped sealing ring step surface is formed in the outer side of the valve core rotating shaft shell in an injection molding mode, a sealing ring is arranged on the O-shaped sealing ring step surface, the valve body fixing piece is sleeved on the outer side of the O-shaped sealing ring step surface, and the O-shaped sealing ring step surface is formed in a position corresponding to the two circular holes.

Further, the valve body subassembly is still including moving ceramic chip, deciding ceramic chip, plastic part and silica gel pad in the silica gel, decide the ceramic chip to fix the lower extreme of stainless steel valve body, it is provided with the recess on the ceramic chip to move, and move the ceramic chip be located decide the ceramic chip the top and with the bottom cooperation of case pivot shell is connected, the plastic part cover is established in the outside of deciding the ceramic chip in the silica gel, and the bottom of plastic part is provided with the silica gel pad in the silica gel.

Furthermore, the bottom of the shell of the valve core rotating shaft is formed by a claw which is matched with a groove on the movable ceramic plate to rotate the movable ceramic plate.

Further, the upper end of the stainless steel valve body is provided with a hexagonal inverted buckle forming structure, the hexagonal inverted buckle forming structure is sleeved on the outer side of the valve body fixing part, a flange plate forming step matched and connected with a faucet is arranged on the stainless steel valve body, threads screwed with the faucet are arranged on the side wall of the stainless steel valve body, two openings for water to pass in and out are formed in the side face of the stainless steel valve body, a fixing groove for fixing a ceramic chip is formed in the bottom end of the stainless steel valve body, and the ceramic chip is fixed on the fixing groove.

Furthermore, the inner side of the valve core rotating shaft inner part is injection-molded with internal threads, and the outer side of the valve core rotating shaft inner part is spline-molded.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic exploded view of the present invention.

Fig. 2 is a schematic structural view illustrating the valve element rotating shaft assembly 4 according to embodiment 1 of the present invention.

Fig. 3 is a schematic structural view of the valve element rotating shaft assembly 4 in embodiment 1 of the present invention.

Fig. 4 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 5 is a transverse sectional view of embodiment 1 of the present invention.

Fig. 6 is a schematic structural view illustrating the split of the valve element rotating shaft assembly 4 in embodiment 2 of the present invention.

Fig. 7 is a schematic structural view of the valve element rotating shaft assembly 4 in embodiment 2 of the present invention.

Fig. 8 is a schematic structural view of embodiment 2 of the present invention.

Fig. 9 is a transverse sectional view of embodiment 2 of the present invention.

Fig. 10 is a schematic structural view illustrating the split of the valve element rotating shaft assembly 4 according to embodiment 3 of the present invention.

Fig. 11 is a schematic structural view of the valve element rotating shaft assembly 4 in embodiment 3 of the present invention.

Fig. 12 is a schematic structural view of embodiment 3 of the present invention.

Fig. 13 is a transverse sectional view of embodiment 3 of the present invention.

Fig. 14 is a schematic structural view illustrating the split of the valve element rotating shaft assembly 4 according to embodiment 4 of the present invention.

Fig. 15 is a schematic structural view of the valve element rotating shaft assembly 4 in embodiment 4 of the present invention.

Fig. 16 is a schematic structural view of embodiment 4 of the present invention.

Fig. 17 is a transverse sectional view of embodiment 4 of the present invention.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

Example 1

Referring to fig. 1-5, the present invention discloses a faucet valve element, which comprises a valve body assembly 1, a valve body fixing member 2, a sealing ring 3 and a valve element rotating shaft assembly 4.

The valve body assembly 1 comprises a stainless steel valve body 11, a movable ceramic piece 12, a ceramic fixing piece 13, a silica gel inner plastic piece 14 and a silica gel pad 15, the upper end of the stainless steel valve body 11 is provided with a hexagonal inverted buckle forming structure 111, the hexagonal inverted buckle forming structure 111 can bear force, assembly is convenient, a flange plate forming step 112 connected with a faucet in a matched mode is arranged on the stainless steel valve body 11, the flange plate forming step 112 is a limiting surface and can be matched with the faucet, the inner side surface of the lower edge of the flange plate forming step 112 is smooth, threads 113 assembled with the faucet in a screwed mode are arranged on the side wall of the stainless steel valve body 11, the threads 113 are assembled with the faucet in a screwed mode, two openings 114 for water to enter and exit are formed in the side surface of the stainless steel valve body 11, and a fixing groove 115 for fixing the ceramic fixing piece 13 is formed in the bottom end of the stainless steel valve body 11.

The ceramic fixing piece 13 is fixed on the fixing groove 115 of the stainless steel valve body 11, the groove 121 is formed in the movable ceramic piece 12, the movable ceramic piece 12 is located above the ceramic fixing piece 13, the plastic piece 14 in the silica gel is sleeved on the outer side of the ceramic fixing piece 13, and the silica gel pad 15 is arranged at the bottom of the plastic piece 14 in the silica gel.

The valve core rotating shaft assembly 4 comprises a valve core rotating shaft internal part 41 and a valve core rotating shaft outer shell 42, the valve core rotating shaft outer shell 42 is made of stainless steel pipes with standard specifications, the valve core rotating shaft internal part 41 is matched with the valve core rotating shaft outer shell 42 in an injection molding mode, the inner side of the valve core rotating shaft internal part 41 is injection molded with an internal thread 411, an external spline is formed to conveniently match with taps with different models, two round holes 421 are formed in the valve core rotating shaft outer shell 42, the valve core rotating shaft internal part 41 is an injection molding part, when the valve core rotating shaft internal part 41 is injection molded, part of injection molding liquid flows out through the two round holes 421 in the valve core rotating shaft outer shell 42 and is injection molded into an O-shaped sealing ring step surface 422 on the outer side of the valve core rotating shaft outer shell 42, a sealing ring 3 is arranged on the O-shaped sealing ring step surface 422, the sealing ring 3 has a sealing function, and the valve body fixing part 2 is sleeved on the outer side of the O-shaped sealing ring step surface 422, the valve body fixing part 2 is a self-lubricating injection molding part, the upper end of the valve core rotating shaft shell 42 is provided with a connecting piece 423, and the connecting piece 423 is placed into an injection mold, is formed by being wrapped with the valve core rotating shaft internal part 41, and is wrapped on the outer side of the valve core rotating shaft internal part 41. The valve core rotating shaft shell 42 is made of stainless steel pipes with standard conical specifications, and compared with the traditional valve core rotating shaft made of brass materials, the stainless steel materials do not contain heavy metal elements such as lead and arsenic which are harmful to human bodies, and are healthier to the human bodies.

The connecting piece 423 is a polygonal external piece, one end of the polygonal external piece is arranged at the top of the valve core rotating shaft shell 42, protrusions a protruding outwards are arranged on the polygonal external piece at equal intervals, the polygonal internal piece matched with the polygonal external piece is formed in the valve core rotating shaft internal piece 41 in an injection molding mode, recesses b arranged on the polygonal internal piece in a staggered mode are arranged on the polygonal internal piece at equal intervals, and the polygonal external piece wraps the outer side of the valve core rotating shaft internal piece 41.

The bottom of the valve core rotating shaft shell 42 is matched and connected with the movable ceramic plate 12, a jaw at the bottom of the valve core rotating shaft shell 42 is formed, and the jaw of the valve core rotating shaft shell 42 is matched with the groove 121 in the movable ceramic plate 12, so that the effect of rotating the ceramic plate 12 is achieved, and the opening and closing of water inlet and outlet of the valve body assembly 4 are controlled.

The utility model discloses a valve body, including valve body mounting 2, valve core pivot internals 41, valve core pivot shell 42, sealing washer 3, and the contact surface of sealing washer 3 and valve core pivot shell 42 is smooth, is difficult for producing the risk of leaking, the bottom of valve core pivot shell 42 sets up in valve body subassembly 4, the hexagonal back-off shaping structure 111 cover of stainless steel valve body 11 is established in the outside of valve body mounting 2, is provided with sealing washer 3 between the lateral wall of valve body mounting 2 and the stainless steel valve body 1, and sealing washer 3 has a sealing effect, hexagonal back-off shaping structure 111 can spacing valve body mounting 2, avoids valve body mounting 2 to break away from, and the smooth and easy shaping of internal face of valve body mounting 2 for stainless steel valve body 11 and valve core pivot subassembly 4 can not the direct friction, can play good switching effect.

The working principle of the embodiment 1 is as follows: the bottom claw of the valve core rotating shaft shell 42 is matched and fixed with the groove 121 of the movable ceramic plate 12 in the valve body component 1, the valve core rotating shaft shell 42 drives the movable ceramic plate 12 to rotate, thereby the valve body component 1 is switched on and off, the valve core rotating shaft shell 42 is punched into a designed size by stainless steel, the upper end of the valve core rotating shaft shell 42 is provided with a polygonal external part, then the stainless steel valve core rotating shaft shell 42 is placed in an injection mould, a valve core rotating shaft internal part 41 is formed by injection moulding and is matched with the size of the valve core rotating shaft shell 42, the valve core rotating shaft internal part 41 and the valve core rotating shaft shell 42 are injected into a whole to form a valve core rotating shaft component 4, a sealing ring 3 is arranged on the inner side wall connected between the valve core rotating shaft internal part 41 and the valve core rotating shaft shell 42, a sealing ring 3 is arranged between the valve body component 4 and the valve core rotating shaft component 1, and a sealing ring 3 is arranged on the step surface 422 of an O-shaped sealing ring, sealing washer 3 has sealed effect, case pivot shell 42 adopts stainless steel material to make, difficult rusting, and reduced the lead content of tap valve core, the influence to the health has been reduced, stainless steel valve body 11 and the cooperation of case pivot shell 42, the hardness is higher, the product is difficult for ageing, and case pivot subassembly 4 adopts split type preparation, 41 injection moulding in case pivot,

case pivot shell

42 and 41 parcel shaping in case pivot, make the intensity of case pivot subassembly 4 better simultaneously, can bear stronger torsional force way, the life of tap valve core has been prolonged, the course of working is comparatively simple, and the stainless steel workable, it is difficult for causing the material extravagant, the cost is reduced.

Example 2

Referring to fig. 6 to 9, a faucet valve element comprises a valve body assembly 1, a valve body fixing member 2, a sealing ring 3 and a valve element rotating shaft assembly 4.

The valve body assembly 1 comprises a stainless steel valve body 11, a movable ceramic piece 12, a ceramic fixing piece 13, a silica gel inner plastic piece 14 and a silica gel pad 15, the upper end of the stainless steel valve body 11 is provided with a hexagonal inverted buckle forming structure 111, the hexagonal inverted buckle forming structure 111 can bear force, assembly is convenient, a flange plate forming step 112 connected with a faucet in a matched mode is arranged on the stainless steel valve body 11, the flange plate forming step 112 is a limiting surface and can be matched with the faucet, the inner side surface of the lower edge of the flange plate forming step 112 is smooth, threads 113 assembled with the faucet in a screwed mode are arranged on the side wall of the stainless steel valve body 11, the threads 113 are assembled with the faucet in a screwed mode, two openings 115 for water supply to enter and exit are formed in the side surface of the stainless steel valve body 11, and a fixing groove 116 for fixing the ceramic fixing piece 13 is formed in the bottom end of the stainless steel valve body 11.

The ceramic fixing piece 13 is fixed on the fixing groove 116 of the stainless steel valve body 11, the groove 121 is formed in the movable ceramic piece 12, the movable ceramic piece 12 is located above the ceramic fixing piece 13, the plastic piece 14 in the silica gel is sleeved on the outer side of the ceramic fixing piece 13, and the silica gel pad 15 is arranged at the bottom of the plastic piece 14 in the silica gel.

The valve core rotating shaft assembly 4 comprises a valve core rotating shaft internal part 41 and a valve core rotating shaft outer shell 42, the valve core rotating shaft outer shell 42 is made of stainless steel pipes with standard specifications, the valve core rotating shaft internal part 41 is matched with the valve core rotating shaft outer shell 42 in an injection molding mode, the inner side of the valve core rotating shaft internal part 41 is injection molded with an internal thread 411, an external spline is formed to conveniently match with taps with different models, two round holes 421 are formed in the valve core rotating shaft outer shell 42, the valve core rotating shaft internal part 41 is an injection molding part, when the valve core rotating shaft internal part 41 is injection molded, part of injection molding liquid flows out through the two round holes 421 in the valve core rotating shaft outer shell 42 and is injection molded into an O-shaped sealing ring step surface 422 on the outer side of the valve core rotating shaft outer shell 42, a sealing ring 3 is arranged on the O-shaped sealing ring step surface 422, the sealing ring 3 has a sealing function, and the valve body fixing part 2 is sleeved on the outer side of the O-shaped sealing ring step surface 422, the valve body fixing part 2 is a self-lubricating injection molding part, a connecting piece 423 is arranged at the upper end of the valve core rotating shaft outer shell 42, and the connecting piece 423 is wrapped on the outer side of the valve core rotating shaft inner part 41.

The connecting piece 423 is a hexagonal external piece c, one end of the hexagonal external piece is arranged at the top of the valve core rotating shaft shell 42, a hexagonal internal piece d matched with the hexagonal external piece c is formed in the valve core rotating shaft internal piece 41 in an injection molding mode, and the hexagonal external piece c is wrapped on the outer side of the hexagonal internal piece d.

Be provided with sealing washer 3 on the inside wall of being connected between case pivot internals 41 and the case pivot shell 42, the contact surface of sealing washer 3 and case pivot shell 42 is smooth, is difficult for producing the risk of leaking, the bottom of case pivot shell 42 sets up in valve body subassembly 4, the hexagonal back-off forming structure 111 cover of stainless steel valve body 11 is established in the outside of valve body mounting 2, is provided with sealing washer 3 between the lateral wall of valve body mounting 2 and the stainless steel valve body 1, and sealing washer 3 has a sealing effect, hexagonal back-off forming structure 111 can spacing valve body mounting 2, avoids valve body mounting 2 to break away from, and the smooth and easy shaping of internal face of valve body mounting 2 for stainless steel valve body 11 and case pivot subassembly 4 can not the direct friction, can play good switching effect.

Working principle of example 2: the bottom claw of the valve core rotating shaft shell 42 is matched and fixed with the groove 121 of the movable ceramic plate 12 in the valve body component 1, the valve core rotating shaft shell 42 drives the movable ceramic plate 12 to rotate, thereby the valve body component 1 is switched on and off, the valve core rotating shaft shell 42 is punched into a designed size by stainless steel, the upper end of the valve core rotating shaft shell 42 is provided with a hexagonal external part c, then the stainless steel valve core rotating shaft shell 42 is put into an injection mould, a valve core rotating shaft internal part 41 is formed by injection moulding and is matched with the size of the valve core rotating shaft shell 42, the valve core rotating shaft internal part 41 and the valve core rotating shaft shell 42 are injected into a whole to form a valve core rotating shaft component 4, a sealing ring 3 is arranged on the inner side wall connected between the valve core rotating shaft internal part 41 and the valve core rotating shaft shell 42, a sealing ring 3 is arranged between the valve body component 4 and the valve core rotating shaft component 1, and a sealing ring 3 is arranged on the step surface 422 of an O-shaped sealing ring, sealing washer 3 has sealed effect, case pivot shell 42 adopts stainless steel material to make, difficult rusting, and reduced the lead content of tap valve core, the influence to the health has been reduced, stainless steel valve body 11 and the cooperation of case pivot shell 42, the hardness is higher, the product is difficult for ageing, and case pivot subassembly 4 adopts split type preparation, 41 injection moulding in case pivot, case pivot shell 42 and 41 parcel shaping in case pivot, make the intensity of case pivot subassembly 4 better simultaneously, can bear stronger torsional force way, the life of tap valve core has been prolonged, the course of working is comparatively simple, and the stainless steel workable, it is difficult for causing the material extravagant, the cost is reduced.

Example 3

Referring to fig. 10 to 13, a faucet valve element includes a valve body assembly 1, a valve body fixing member 2, a seal ring 3, and a valve element rotation shaft assembly 4.

The valve core rotating shaft assembly 4 comprises a valve core rotating shaft internal part 41 and a valve core rotating shaft outer shell 42, the valve core rotating shaft outer shell 42 is made of stainless steel pipes with standard specifications, the valve core rotating shaft internal part 41 is matched with the valve core rotating shaft outer shell 42 in an injection molding mode, the inner side of the valve core rotating shaft internal part 41 is injection molded with an internal thread 411, an external spline is formed to conveniently match with taps with different models, two round holes 421 are formed in the valve core rotating shaft outer shell 42, the valve core rotating shaft internal part 41 is an injection molding part, when the valve core rotating shaft internal part 41 is injection molded, part of injection molding liquid flows out through the two round holes 421 in the valve core rotating shaft outer shell 42 and is injection molded into an O-shaped sealing ring step surface 422 on the outer side of the valve core rotating shaft outer shell 42, a sealing ring 3 is arranged on the O-shaped sealing ring step surface 422, the sealing ring 3 has a sealing function, and the valve body fixing part 2 is sleeved on the outer side of the O-shaped sealing ring step surface 422, the valve body fixing part 2 is a self-lubricating injection molding part, a connecting piece 423 is arranged at the upper end of the valve core rotating shaft outer shell 42, and the connecting piece 423 is wrapped on the outer side of the valve core rotating shaft inner part 41. The upper end of the connecting piece 423 is provided with clamping grooves e at equal intervals, the valve core rotating shaft inner piece 41 is injection molded with convex blocks f corresponding to the clamping grooves e of the connecting piece 423, and the convex blocks f and the clamping grooves e are clamped with each other.

The bottom of the valve core rotating shaft shell 42 is matched and connected with the movable ceramic plate 12, a jaw at the bottom of the valve core rotating shaft shell 42 is formed, and the jaw of the valve core rotating shaft shell 42 is matched with the groove 121 in the movable ceramic plate 12, so that the effect of rotating the ceramic plate 12 is achieved, and the valve body assembly 4 is controlled to be opened and closed.

The working principle of the embodiment 3 is as follows: the bottom claw of the valve core rotating shaft shell 42 is matched and fixed with the groove 121 of the movable ceramic plate 12 in the valve body component 1, the valve core rotating shaft shell 42 drives the movable ceramic plate 12 to rotate, thereby the valve body component 1 is switched on and off, the valve core rotating shaft shell 42 is punched into a designed size by stainless steel, the upper end of the connecting piece 43 of the valve core rotating shaft shell 42 is provided with clamping grooves e at equal intervals, then the valve core rotating shaft shell 42 of the stainless steel is placed in an injection mould, a valve core rotating shaft inner part 41 is formed by injection moulding and is matched with the size of the valve core rotating shaft shell 42, the valve core rotating shaft inner part 41 and the valve core rotating shaft shell 42 are injected into a whole to form a valve core rotating shaft component 4, a sealing ring 3 is arranged on the inner side wall connected between the valve core rotating shaft inner part 41 and the valve core rotating shaft shell 42, a sealing ring 3 is arranged between the valve body component 4 and the valve core rotating shaft component 1, and a sealing ring 3 is arranged on the step surface 422 of an O-shaped sealing ring, sealing washer 3 has sealed effect, case pivot shell 42 adopts stainless steel material to make, difficult rusting, and reduced the lead content of tap valve core, the influence to the health has been reduced, stainless steel valve body 11 and the cooperation of case pivot shell 42, the hardness is higher, the product is difficult for ageing, and case pivot subassembly 4 adopts split type preparation, 41 injection moulding in case pivot, case pivot shell 42 and 41 parcel shaping in case pivot, make the intensity of case pivot subassembly 4 better simultaneously, can bear stronger torsional force way, the life of tap valve core has been prolonged, the course of working is comparatively simple, and the stainless steel workable, it is difficult for causing the material extravagant, the cost is reduced.

Example 4

Referring to fig. 14-17, a faucet valve element comprises a valve body assembly 1, a valve body fixing member 2, a sealing ring 3 and a valve element rotating shaft assembly 4.

The valve core rotating shaft assembly 4 comprises a valve core rotating shaft internal part 41 and a valve core rotating shaft outer shell 42, wherein the valve core rotating shaft outer shell 42 is made of stainless steel pipes with standard specifications, the valve core rotating shaft internal part 41 is matched with the valve core rotating shaft outer shell 42 and is formed by injection molding, the inner side of the valve core rotating shaft internal part 41 is formed by injection molding with an internal thread 411 so as to be convenient for matching with taps with different models, two round holes 421 are arranged on the valve core rotating shaft outer shell 42, the valve core rotating shaft internal part 41 is an injection molding part, when the valve core rotating shaft internal part 41 is formed by injection molding, part of injection molding liquid flows out through the two round holes 421 on the valve core rotating shaft outer shell 42 and is formed into an O-shaped sealing ring step surface 422 by injection molding on the outer side of the valve core rotating shaft outer shell 42, a sealing ring 3 is arranged on the O-shaped sealing ring step surface 422, the sealing ring 3 has a sealing function, and the valve body fixing part 2 is sleeved on the outer side of the O-shaped sealing ring step surface 422, the valve body fixing part 2 is a self-lubricating injection molding, the upper end of the valve core rotating shaft shell 42 is provided with an inserting part 44, and the inserting part 44 is inserted into the inner side of the valve core rotating shaft inner part 41.

The spool rotating shaft inner part 41 is connected with the spool rotating shaft shell 42 through an insertion part 44, the lower end of the insertion part 44 is arranged at the top of the spool rotating shaft shell 42, the upper end of the insertion part 44 is provided with an insertion block 441, and the insertion block 441 is inserted in the spool rotating shaft inner part 41.

The inner side wall connected between the valve core rotating shaft inner 41 and the valve core rotating shaft outer shell 42 is provided with the sealing ring 3, the contact surface between the sealing ring 3 and the valve core rotating shaft outer shell 42 is smooth, the water leakage risk is not easy to generate, the bottom of the valve core rotating shaft shell 42 is arranged in the valve body assembly 4, the hexagonal inverted buckle forming structure 111 of the stainless steel valve body 11 is sleeved outside the valve body fixing part 2, a sealing ring 3 is arranged between the outer side wall of the valve body fixing part 2 and the stainless steel valve body 1, the sealing ring 3 has a sealing function, the hexagonal reverse-buckling forming structure 111 can limit the valve body fixing member 2 to prevent the valve body fixing member 2 from being separated, the inner wall surface of the valve body fixing member 2 is smooth and easy to form, the stainless steel valve body 11 and the valve core rotating shaft assembly 4 cannot be directly rubbed, and a good switching effect can be achieved.

The working principle of the embodiment 4 is as follows: the bottom claw of the valve core rotating shaft shell 42 is matched and fixed with the groove 121 of the movable ceramic plate 12 in the valve body component 1, the valve core rotating shaft shell 42 drives the movable ceramic plate 12 to rotate, thereby the valve body component 1 is switched on and off, the valve core rotating shaft shell 42 is punched into a designed size by stainless steel, the upper end of the valve core rotating shaft shell 42 is provided with an inserting part 44, the upper end of the inserting part 44 is provided with an inserting block 441, then the stainless steel valve core rotating shaft shell 42 is placed in an injection mould, a valve core rotating shaft inner part 41 is formed by injection moulding and matched with the valve core rotating shaft shell 42 in size, the valve core rotating shaft inner part 41 and the valve core rotating shaft shell 42 are injected into a whole to form a valve core rotating shaft component 4, a sealing ring 3 is arranged on the inner side wall connected between the valve core rotating shaft inner part 41 and the valve core rotating shaft shell 42, a sealing ring 3 is arranged between the valve body component 4 and the valve core rotating shaft component 1, and a sealing ring 3 is arranged on the step surface 422 of an O-shaped sealing ring, sealing washer 3 has sealed effect, case pivot shell 42 adopts stainless steel material to make, difficult rusting, and reduced the lead content of tap valve core, the influence to the health has been reduced, stainless steel valve body 11 and the cooperation of case pivot shell 42, the hardness is higher, the product is difficult for ageing, and case pivot subassembly 4 adopts split type preparation, 41 injection moulding in case pivot, case pivot shell 42 and 41 parcel shaping in case pivot, make the intensity of case pivot subassembly 4 better simultaneously, can bear stronger torsional force way, the life of tap valve core has been prolonged, the course of working is comparatively simple, and the stainless steel workable, it is difficult for causing the material extravagant, the cost is reduced.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the ordinary skilled in the art to make other modifications or equivalent replacements to the technical solutions of the present invention, and all the modifications or equivalents should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. A faucet valve cartridge, characterized by: the valve core rotating shaft assembly comprises a valve core rotating shaft inner part and a valve core rotating shaft shell, wherein the valve core rotating shaft shell is made of stainless steel pipes, a connecting piece is arranged at the upper end of the valve core rotating shaft shell, the connecting piece and the valve core rotating shaft inner part are formed in a wrapping mode, the valve core rotating shaft inner part is matched with the valve core rotating shaft shell in an injection molding mode, the valve body fixing part is arranged on the outer side of the valve core rotating shaft shell in a sleeved mode, the valve body assembly comprises a stainless steel valve body, the stainless steel valve body is arranged on the outer side of the valve body fixing part in a sleeved mode, and the bottom of the valve core rotating shaft shell is arranged in the valve body assembly.

2. A faucet valve cartridge according to claim 1, wherein: the valve body fixing piece is characterized by further comprising a sealing ring, the sealing ring is arranged between the inner side wall of the valve core rotating shaft shell and the valve core rotating shaft internal part, and the sealing ring is arranged between the outer side wall of the valve body fixing piece and the stainless steel valve body.

3. A faucet valve cartridge according to claim 1, wherein: the connecting piece is polygon external piece, the one end setting of polygon external piece is at the top of case pivot shell, and the equidistant arch that is provided with to the outside is convex on the polygon external piece, case pivot internals injection moulding has the polygon internal piece with polygon external piece matched with, the equidistant recess that sets up with the crisscross setting of the protruding on the polygon external piece that is provided with on the polygon internal piece, the parcel of polygon external piece is in the outside of polygon internal piece.

4. A faucet valve cartridge according to claim 1, wherein: the connecting piece is a hexagonal external connecting piece, one end of the hexagonal external connecting piece is arranged at the top of the valve core rotating shaft shell, the hexagonal internal connecting piece matched with the hexagonal external connecting piece is formed in the valve core rotating shaft internal piece in an injection molding mode, and the hexagonal external connecting piece wraps the outer side of the hexagonal internal connecting piece.

5. A faucet valve cartridge according to claim 1, wherein: the upper end of the connecting piece is provided with clamping grooves at equal intervals, the inner part of the valve core rotating shaft is injection-molded with convex blocks corresponding to the clamping grooves of the connecting piece, and the convex blocks are clamped with the clamping grooves.

6. A faucet valve cartridge according to claim 1, wherein: the connecting piece is an inserting part, the lower end of the inserting part is arranged at the top of the shell of the valve core rotating shaft, an inserting block is arranged at the upper end of the inserting part, and the inserting block is inserted in the inner part of the valve core rotating shaft inner part.

7. A faucet valve cartridge according to claim 2, wherein: the valve core rotating shaft is characterized in that two round holes are formed in the valve core rotating shaft shell, an O-shaped sealing ring step surface is formed in the outer side of the valve core rotating shaft shell in an injection molding mode, a sealing ring is arranged on the O-shaped sealing ring step surface, the valve body fixing piece is sleeved on the outer side of the O-shaped sealing ring step surface, and the O-shaped sealing ring step surface is formed in a position corresponding to the two round holes.

8. A faucet valve cartridge according to claim 1, wherein: the valve body subassembly is still including moving ceramic chip, deciding ceramic chip, plastic part and silica gel pad in the silica gel, decide the ceramic chip to fix the lower extreme of stainless steel valve body, it is provided with the recess on the ceramic chip to move, and move the ceramic chip be located decide the ceramic chip the top and with the bottom cooperation of case pivot shell is connected, the plastic part cover is established in the outside of deciding the ceramic chip in the silica gel, and the bottom of plastic part is provided with the silica gel pad in the silica gel.

9. A faucet valve cartridge according to claim 8, wherein: and the clamping jaw at the bottom of the shell of the valve core rotating shaft is formed and matched with the groove on the movable ceramic plate to rotate the movable ceramic plate.

10. A faucet valve cartridge according to claim 8, wherein: the upper end of stainless steel valve body is equipped with hexagonal back-off forming structure, hexagonal back-off forming structure cover is established in the outside of valve body mounting, is provided with the ring flange shaping step of being connected with the tap cooperation on the stainless steel valve body, is provided with the screw thread of screwing the assembly with the tap on the stainless steel valve body lateral wall, is provided with two openings that supply water business turn over on the stainless steel valve body side, and the bottom of stainless steel valve body is provided with the fixed slot that supplies the ceramic chip of making pottery surely fixed, and the ceramic chip of making pottery surely is fixed on the fixed slot.