CN208919392U - A kind of faucet valve core - Google Patents

Abstract

The utility model provides a kind of faucet valve core, including valve casing, valve rod and valve seat, the valve rod has from the top down the successively lever piece of integrally connected, seal section, limit section, mixed water section and hemispherical head, mixed water cavity is formed between the mixed water section and the inner sidewall of the valve casing, the first connecting hole and the second connecting hole are offered in the hemispherical head, the lower port of first connecting hole and second connecting hole is all located on the spherical outside surface of the hemispherical head, apopore is offered on the side wall of the valve casing, the upper end of the valve seat is provided with Internal Spherical Surface, and cold inlet opening and hot inlet opening are offered on the valve seat respectively, the upper port of the cold inlet opening and the hot inlet opening is all located in the Internal Spherical Surface.The potsherd that conventional faucet spool is replaced by setting mutual cooperation hemispherical head and Internal Spherical Surface, can be omitted potsherd under the premise of guaranteeing sealing performance, effectively reduces cost.

Description

A kind of faucet valve core

Technical field

The utility model relates to a kind of tap accessory, especially a kind of faucet valve core.

Background technique

Faucet valve core is the core part of tap, is mainly used for being connected to or disconnecting the water route in tap.It is existing Faucet valve core is usually ceramic cartridge, realizes connection using the relative rotation between two potsherds or disconnects in tap The function in water route, however, ceramic cartridge is higher to performance requirements such as the surface roughnesses of potsherd, the cost is relatively high.

In view of this, the applicant carries out in-depth study to the structure of faucet valve core, there is this case generation then.

Utility model content

The purpose of this utility model is to provide a kind of faucet valve cores of advantage of lower cost.

To achieve the goals above, the utility model adopts the following technical solution:

A kind of faucet valve core including valve casing, the valve rod being interspersed in the valve casing and is fixedly connected on the valve casing The valve seat of lower end, the valve rod have from the top down the successively lever piece, seal section of integrally connected, limit section, mixed water section and half Bulb is formed with mixed water cavity between the mixed water section and the inner sidewall of the valve casing, offered in the hemispherical head respectively with institute Mixed the first connecting hole and the second connecting hole water cavity connection and symmetrically arranged is stated, first connecting hole and described second connect The lower port for connecing hole is all located on the spherical outside surface of the hemispherical head, is offered on the side wall of the valve casing and is connected to the mixed water cavity Apopore, the upper end of the valve seat is provided with the Internal Spherical Surface being coated in the hemispherical head, and opens up respectively on the valve seat There are a cold inlet opening and hot inlet opening symmetrically arranged, the upper port of the cold inlet opening and the hot inlet opening is all located at institute State in Internal Spherical Surface, and the lower port and the cold inlet opening of first connecting hole and second connecting hole and it is described heat into Spacing between the upper port in water hole and the central axis of the valve rod is identical.

As a kind of improvement of the utility model, first connecting hole and second connecting hole and the cold water inlet Hole and the hot inlet opening are all cross section hole triangular in shape.

As a kind of improvement of the utility model, the spline with cocket handle cooperation is provided on the lever piece.

As a kind of improvement of the utility model, seal groove is offered on the seal section, is provided in the seal groove Sealing ring, the sealing ring are supported on the intracavity sidewall of the valve casing.

As a kind of improvement of the utility model, limited block, the intracavity sidewall of the valve casing are provided in the limit section On be provided with the limited block cooperation limiting slot.

As a kind of improvement of the utility model, the surface roughness of the spherical outside surface of the hemispherical head and the Internal Spherical Surface Both less than Ra5.

As a kind of improvement of the utility model, the valve seat is rubber valve seat or silica gel valve seat, and embedding on the valve seat Equipped with supporting element.

By adopting the above technical scheme, the utility model has the following beneficial effects:

1, the potsherd that conventional faucet spool is replaced by setting mutual cooperation hemispherical head and Internal Spherical Surface is guaranteeing to seal It can be omitted potsherd under the premise of performance, effectively reduce cost.

2, rubber valve seat or silica gel valve seat are set by valve seat, helps to improve sealing performance, while passing through setting support Part effectively avoids rubber valve seat or silica gel valve seat from deforming under the action of water pressure, it is ensured that the properties of faucet valve core.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model faucet valve core；

Fig. 2 is the cutting structural schematic diagram of the utility model faucet valve core, omits the parts thereofs such as sealing ring in figure；

Fig. 3 is the decomposition texture schematic diagram of the utility model faucet valve core, omits the components such as sealing ring in figure；

Fig. 4 is the structural schematic diagram of the valve casing of the utility model faucet valve core；

Fig. 5 is the structural schematic diagram of the valve seat of the utility model faucet valve core.

Corresponding mark is as follows in figure:

10- valve casing；11- limiting slot；

12- mixes water cavity；13- apopore；

The first connecting hole of 14-；The second connecting hole of 15-；

20- valve rod；21- handle hole；

22- seal section；23- limits section；

24- mixes water section；25- hemispherical head；

26- mounting hole；27- seal groove；

28- limited block；30- valve seat；

The cold inlet opening 31-；The hot inlet opening 32-；

40- supporting element.

Specific embodiment

The utility model is described further with body embodiment with reference to the accompanying drawing.

As Figure 1-Figure 5, faucet valve core provided in this embodiment, including valve casing 10, the valve being interspersed in valve casing 10 Bar 20 and be fixedly connected on valve casing 10 lower end valve seat 30, certainly, valve rod 20 can rotate relative to valve casing 10, i.e., the two simultaneously There are rotation connections.It should be noted that in the present embodiment, to faucet valve by taking state when valve casing 10 is arranged vertically as an example The structure of core is illustrated.

The outer side wall structure of valve casing 10 is identical as the conventional valve casing structure of faucet valve core, not the weight of the present embodiment Point, and will not be described here in detail.It may insure that faucet valve core provided in this embodiment can directly replace conventional tap in this way Spool is modified without the other component to tap, will not change the usage mode of tap.

Valve rod 20 has from the top down the successively lever piece 21, seal section 22 of integrally connected, limit section 23, mixed 24 and of water section Hemispherical head 25, wherein lever piece 21 is pierced by from the inner cavity of valve casing 10, i.e., lever piece 21 is not pierced by valve casing 10.Lever piece It is provided with the spline with cocket handle cooperation on 21, and offers the mounting hole coaxially arranged with valve rod 20 on lever piece 21 26, cocket handle both can also pass through mounting hole realization and valve rod by the connection between spline realization and valve rod 20 Connection between 20, above two connection structure are all conventional structure, not the emphasis of the present embodiment, herein also no longer in detail It states；Seal groove 27 is offered on seal section 22, sealing ring (not shown) is provided in seal groove 27, and sealing ring is supported simultaneously On the intracavity sidewall of valve casing 10 and the slot bottom of seal groove 27, water is avoided up to flow, it is preferred that in the present embodiment, sealing There are two slots 27, is respectively arranged with sealing ring in two seal grooves 27, can form dual-seal in this way；It is arranged in limit section 23 There is limited block 28, the limiting slot 11 cooperated with limited block 28,28 activity setting of limited block are provided on the intracavity sidewall of valve casing 10 In limiting slot 11, in use, limited block 28 can also rotate with it when valve rod 20 rotates under the drive of cocket handle, The rotational travel of limited block 28 is controlled by the side wall at 11 both ends of limiting slot, and then the maximum rotation angle of valve rod 20 is limited System；As long as mixed water section 24 plays the role of connection limit section 23 and hemispherical head 25, diameter be less than limit section 23 and hemispherical head 25 diameter, in this way, mixed water cavity 12 can be naturally formed between mixed water section 24 and the inner sidewall of valve casing 10, in use, hot and cold water It can be mixed in mixed water cavity 12, in addition, the apopore 13 being connected to mixed water cavity 12 is offered on the side wall of valve casing 10, for excluding Mixing water；The ectosphere of hemispherical head 25 arranges down, and offered in hemispherical head 25 be connected to respectively with mixed water cavity 12 and mutually with The first connecting hole 14 and the second connecting hole 15 being arranged symmetrically centered on the central axis of valve rod 20, the first connecting hole 14 and second connect The lower port for connecing hole 15 is all located on the spherical outside surface of hemispherical head 25.

Specific connection structure between valve seat 30 and valve casing 10 can be conventional structure, such as mutual by buckle structure Connection, or be connected with each other by way of interference fit, and will not be described here in detail.The upper end of valve seat 30, which is provided with, is coated on hemisphere Internal Spherical Surface on first 25 spherical outside surface, it should be noted that the material of valve casing 10 and valve rod 20 can select according to actual needs, Such as can be metalwork or plastic part, and valve seat 30 is then preferably rubber valve seat or silica gel valve seat, so that Internal Spherical Surface can be more Good cladding hemispherical head 25, avoids the occurrence of drainage, in order to avoid rubber valve seat or silica gel valve seat deform under the action of water pressure And influence sealing effect of tap when closing, supporting element 40 is preferably embedded on valve seat 30, supporting element 40 is plastic part or gold Belong to part.In addition, 31 He of cold inlet opening being mutually arranged symmetrically centered on the central axis of valve rod 20 is offered on valve seat 30 respectively The upper port of hot inlet opening 32, cold inlet opening 31 and hot inlet opening 32 is all located in Internal Spherical Surface, and the first connecting hole 14 and second Spacing between the central axis of the lower port of connecting hole 15 and the upper port and valve rod of cold inlet opening 31 and hot inlet opening 32 20 It is all identical, in this way, rotation valve rod 20 connect cold inlet opening 31 and hot inlet opening 32 with the first connecting hole 14 and second respectively The position in hole 15 corresponds to each other, and hot and cold water can flow into mixed water cavity 12 by corresponding inlet opening and connecting hole respectively, and work as Cold inlet opening 31 and hot inlet opening 32 respectively with the first connecting hole 14 and the second 15 mutual dislocation of connecting hole when, hot and cold water is then difficult to Mixed water cavity is flowed into, the water route of tap is blocked at this time.

Preferably, in the present embodiment, the first connecting hole 14 and the second connecting hole 15 and cold inlet opening 14 and heat water inlet The hole all triangular in shape for cross section of hole 15.In addition, the spherical outside surface surface roughness of Internal Spherical Surface and hemispherical head 25 is preferably both small In Ra5.

The utility model is described in detail above in conjunction with specific embodiment, but the embodiments of the present invention It is not limited to the above embodiments, those skilled in the art can make various changes according to the prior art to the utility model Shape, these are all within the protection scope of the present invention.

Claims (7)

1. a kind of faucet valve core, which is characterized in that including valve casing, the valve rod being interspersed in the valve casing and be fixedly connected on institute State the valve seat of the lower end of valve casing, the valve rod has from the top down the successively lever piece, seal section of integrally connected, limit section, mixed Water section and hemispherical head are formed with mixed water cavity between the mixed water section and the inner sidewall of the valve casing, offer in the hemispherical head The first connecting hole and the second connecting hole for being connected to the mixed water cavity and symmetrically arranging respectively, first connecting hole and institute The lower port for stating the second connecting hole is all located on the spherical outside surface of the hemispherical head, is offered on the side wall of the valve casing and is mixed with described The apopore of water cavity connection, the upper end of the valve seat are provided with the Internal Spherical Surface being coated in the hemispherical head, and on the valve seat The cold inlet opening and hot inlet opening symmetrically arranged, the upper port of the cold inlet opening and the hot inlet opening are offered respectively Be all located in the Internal Spherical Surface, and the lower port and the cold inlet opening of first connecting hole and second connecting hole and The upper port of the hot inlet opening is identical as the spacing between the central axis of the valve rod.

2. faucet valve core as described in claim 1, which is characterized in that first connecting hole and second connecting hole with And the cold inlet opening and the hot inlet opening are all cross section hole triangular in shape.

3. faucet valve core as described in claim 1, which is characterized in that be provided on the lever piece and match with cocket handle The spline of conjunction.

4. faucet valve core as described in claim 1, which is characterized in that seal groove is offered on the seal section, it is described close Sealing ring is provided in sealing groove, the sealing ring is supported on the intracavity sidewall of the valve casing.

5. faucet valve core as described in claim 1, which is characterized in that be provided with limited block, the valve in the limit section The limiting slot with limited block cooperation is provided on the intracavity sidewall of shell.

6. faucet valve core as described in claim 1, which is characterized in that the spherical outside surface of the hemispherical head and the Internal Spherical Surface Surface roughness be both less than Ra5.

7. the faucet valve core as described in any claim in claim 1-6, which is characterized in that the valve seat is rubber valve Seat or silica gel valve seat, and supporting element is embedded on the valve seat.