CN108662204A - A kind of fit structure of double handle faucet body and tap valve core - Google Patents

Abstract

A matching structure between a two-handle faucet body and a faucet valve core. The two-handle faucet body includes two left and right side bodies and a central body that are integrally injection-molded. The side body includes a valve seat and is connected to the bottom of the valve seat. The two ends of the central body are respectively connected to two side bodies; the bottom of the valve seat communicates with the water inlet channel of the water inlet pipe, and one side of the valve seat is provided with a water outlet facing the central body. The water outlet connected with the water outlet channel; the other side of the valve seat is provided with a core-pulling hole facing the water outlet; each valve seat is fixed with a faucet spool, and the valve of the faucet spool An isolation seal is provided between the outer wall of the shell and the inner wall of the valve seat, and the isolation seal blocks the communication between the core-pulling hole of the valve seat and the water inlet channel and blocks the core-pulling hole of the valve seat Communication with the outlet flow channel. The invention can solve the water leakage problem caused by the core-pulling hole by setting the isolation seal.

Description

Cooperating structure between a double-handle faucet body and a faucet valve core

technical field

The invention relates to a two-handle faucet, in particular to a matching structure between a two-handle faucet body and a faucet valve core.

Background technique

In order to reduce costs, many faucet bodies are currently made of plastic injection molding, and some faucet bodies can be directly integrally injection molded; but for double-handle faucets, because of its overall "H" shape structure, and its internal flow channel is also formed It is "H" type, which makes the body of the two-handle faucet difficult to be integrally injection molded. Generally, the body of the two-handle faucet is divided into left and right sides and a central body. The side body is integrally formed with a valve for installing the faucet spool. seat, the water inlet pipe connected to the bottom of the valve seat, and the water passage section connected to the side of the valve seat; the valve seat communicates with the water inlet pipe and the water passage section; the middle section of the central body is provided with at least one water outlet; The connection method of the body can be combined by secondary injection molding or spliced after independent injection molding. These two methods have the problems of low connection strength between components and cumbersome manufacturing process.

For this reason, someone has developed a one-piece injection-molded two-handle faucet body. The two-handle faucet body includes an integral injection-molded left and right side body and a central body. The side body includes a valve for installing the faucet spool. The seat and the water inlet pipe connected to the bottom of the valve seat; the two ends of the central body are respectively connected to the bodies on both sides; the central body is formed with a water outlet channel and a water outlet connected to the water outlet channel, and the top of the top of the valve seat There is an installation port, the bottom of the valve seat is provided with a water inlet communicating with the water inlet channel of the water inlet pipe, and one side of the valve seat is provided with a water outlet channel facing the middle body and communicating with the water outlet channel. The water outlet; the other side of the valve seat is provided with a core-pulling hole facing the water outlet, through which the mandrel of the water outlet channel used for forming can be drawn out from the water outlet channel; in order to solve the problem of water flow from For the problem of outflow from the core-pulling hole, the core-pulling hole will be equipped with a plug; at present, there are generally two types of cooperation between the plug and the core-pulling hole. One is to directly nest the plug into the core-pulling hole. The head is easy to fall off. Another way is to directly re-inject the plug into the core-pulling hole. This method is more complicated and time-consuming; Chinese patent CN101973104A discloses the molding method and the Its structure also discloses two matching modes of the plug and the core-pulling hole.

Contents of the invention

The purpose of the present invention is to provide a matching structure between the body of the double-handle faucet and the valve core of the faucet, which has a simple structure and can solve the problem of water leakage caused by the core-pulling hole of the body of the double-handle faucet formed by integral injection molding.

In order to achieve the above object, the solution of the present invention is:

A matching structure between a two-handle faucet body and a faucet valve core, wherein the two-handle faucet body includes two left and right side bodies and a central body, the side body and the central body are integrally injection-molded, the side The body includes a valve seat and a water inlet pipe connected to the bottom of the valve seat; the two ends of the central body are respectively connected to two side bodies; the bottom of the valve seat is provided with a water inlet communicating with the water inlet channel of the water inlet pipe. One side of the valve seat is provided with a water outlet facing the water outlet channel in the central body and communicating with the water outlet channel; the other side of the valve seat is provided with a core-pulling hole facing the water outlet; the faucet valve The core includes a valve casing and a waterway control assembly installed in the valve casing. The bottom of the valve casing is provided with a water inlet hole, and the side wall of the valve casing is provided with a water outlet hole. The waterway control assembly controls the connection between the water inlet hole and the valve casing. Whether the water outlet holes are connected or not; each said valve seat is fixed with a said faucet spool, the water inlet hole of the faucet spool communicates with the water inlet of the valve seat, and the water outlet hole of the faucet spool communicates with the water inlet of the faucet spool. The water outlet of the valve seat is connected; an isolation seal is provided between the outer wall of the valve housing of the faucet valve core and the inner wall of the valve seat, and the isolation seal blocks the connection between the core-pulling hole of the valve seat and the water inlet channel. The communication between and block the communication between the core-pulling hole of the valve seat and the water outlet flow channel.

The isolation seal is a water-stop pad, and the water-stop pad blocks the core-pulling hole of the valve seat.

The water-stop pad includes a water-stop gasket with an area larger than that of the core-pulling hole, an annular ring, and a water-passing gasket, and the water-stop gasket is sandwiched on a side of the outer wall of the valve housing adjacent to the core-pulling hole. side and the inner wall of the valve seat and block the core-pulling hole, and the water washer is interposed between the side of the outer wall of the valve housing where the water outlet hole is provided and the inner wall of the valve seat, so that The water passage gasket is provided with a water passage hole connecting the water outlet hole of the valve casing and the water passage port of the valve seat; the annular ring is sleeved on the valve casing and connected with the water stop gasket and the water passage gasket.

The outer wall of the valve housing is provided with a slot for nesting of the water-stop pad, the water-stop pad is provided with a fixing hole, and the slot is provided with a fixing convex point for nesting of the fixing hole.

On the side of the outer wall of the valve housing opposite to the water outlet hole, there is a fixed ring groove facing the core-pulling hole. The inner diameter of the fixed ring groove is larger than the diameter of the core-pulling hole. A sealing ring in the groove, the sealing ring tightly fits with the outer wall of the valve housing and the inner wall of the valve seat.

The outer wall of the valve casing is provided with a first ring groove higher than the fixed ring groove and a second ring groove lower than the fixed ring groove along its circumference, and the first ring groove is connected through the first connecting groove provided on the outer wall of the valve casing. The groove communicates with the fixed ring groove, and the second ring groove communicates with the fixed ring groove through the second connecting groove set on the outer wall of the valve housing; the first fixed ring groove is fitted with a first fixed sealing ring, and the The first fixed sealing ring is connected with the sealing ring through the first elastic connecting rib nested in the first connecting groove, and a second fixed sealing ring is fitted in the second ring groove, and the second fixed sealing ring The ring is connected with the sealing ring through the second elastic connecting rib nested in the second connecting groove.

The outer wall of the valve casing is provided with an upper annular groove higher than the core-pulling hole and a lower annular groove lower than the core-pulling hole along its circumference; a communication upper ring groove is provided between the upper annular groove and the lower annular groove. The two connecting grooves of the annular groove and the lower annular groove; the two connecting grooves are respectively located on both sides of the water outlet hole of the valve casing, and the two connecting grooves are respectively located on both sides of the core-pulling hole; the isolation seal includes An upper sealing ring nested in the upper annular groove, a lower sealing ring nested in the lower annular groove, and two elastic ribs respectively nested in the two connecting slots, the two ends of the elastic ribs are respectively connected An upper sealing ring and a lower sealing ring; the upper sealing ring, the lower sealing ring and the two elastic ribs are closely fitted with the outer wall of the valve housing and the inner wall of the valve seat.

The outer wall of the valve casing is provided with an inclined annular cable-stayed groove; the top end of the annular cable-stayed groove is located directly above the water outlet hole, and the bottom end of the annular cable-stayed groove is located on the outer wall of the valve housing opposite to the water outlet hole. On the other side, and the bottom end of the annular cable-stayed groove is lower than the core-pulling hole; the isolation seal is an O-ring nested in the annular cable-stayed groove, and the O-ring and The outer wall of the valve housing is in tight fit with the inner wall of the valve seat.

A positioning mechanism is provided between the valve housing and the valve seat.

The positioning mechanism includes a positioning projection arranged on the outer wall of the valve housing and a positioning groove provided on the inner wall of the valve seat for the positioning projection to engage.

After adopting the above structure, the present invention blocks the communication between the core-pulling hole of the valve seat and the water inlet flow channel and blocks the communication between the core-pulling hole of the valve seat and the water outlet flow channel by isolating the sealing member, Therefore, the water leakage problem caused by the core-pulling hole is solved; and the isolation seal is arranged between the outer wall of the valve housing of the faucet valve core and the inner wall of the valve seat, which can effectively prevent the isolation seal from falling off from the body of the double-handle faucet.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is the exploded view of the structure of Embodiment 1 of the present invention;

Fig. 3 is an exploded view of the structure of the faucet valve core of Embodiment 1 of the present invention;

Fig. 4 is a side view 1 of the faucet valve core of the first embodiment of the present invention;

Fig. 5 is a side view 2 of the faucet valve core of Embodiment 1 of the present invention;

FIG. 6 is a combined sectional view of Embodiment 1 of the present invention;

FIG. 7 is an exploded view of the second embodiment of the present invention;

Fig. 8 is an exploded view of the structure of the faucet valve core of the second embodiment of the present invention;

Fig. 9 is a side view of the faucet valve core of the second embodiment of the present invention;

Fig. 10 is a perspective view of the faucet valve core of the second embodiment of the present invention;

Fig. 11 is a combined sectional view of Embodiment 2 of the present invention;

Fig. 12 is an exploded view of the third embodiment of the present invention;

Fig. 13 is an exploded view of the structure of the valve core of the faucet according to the third embodiment of the present invention;

Fig. 14 is a side view of the faucet valve core of the third embodiment of the present invention;

Fig. 15 is a perspective view of the faucet valve core of the third embodiment of the present invention;

Fig. 16 is a combined sectional view of Embodiment 3 of the present invention;

Fig. 17 is a structural exploded view of Embodiment 4 of the present invention;

Fig. 18 is an exploded view of the structure of the faucet valve core of the fourth embodiment of the present invention;

Fig. 19 is a side view of the faucet valve core of the fourth embodiment of the present invention;

Fig. 20 is a perspective view of the faucet valve core of Embodiment 4 of the present invention;

Fig. 21 is a combined sectional view of Embodiment 4 of the present invention.

Detailed ways

As shown in Figures 1 to 21, the present invention discloses a matching structure between a two-handle faucet body and a faucet valve core, wherein the two-handle faucet body A includes two left and right side bodies 1 and a central body 2, The side body 1 and the central body 2 are integrally injection molded, the side body 1 includes a valve seat 11 and a water inlet pipe 12 connected to the bottom of the valve seat 11; the two ends of the central body 2 are respectively connected to two side bodies 1. The bottom of the valve seat 11 is provided with a water inlet 111 communicating with the water inlet channel 121 of the water inlet pipe 12, and one side of the valve seat 11 is provided with a water outlet channel 21 facing the central body 2 and connected to the The water outlet 112 connected by the water outlet flow channel 21; the other side of the valve seat 11 is provided with a core-pulling hole 113 facing the water outlet 112; the faucet valve core B includes a valve housing 3 and is installed in the valve housing 3 The waterway control assembly 4, the bottom of the valve casing 3 is provided with a water inlet 31, the side wall of the valve casing 3 is provided with a water outlet 32, and the waterway control assembly 4 controls the connection between the water inlet 31 and the water outlet 32 Whether there is communication between them; each valve seat 11 is fixed with a said faucet spool B, the water inlet 31 of the faucet spool B communicates with the water inlet 111 of the valve seat 11, and the faucet spool B The water outlet hole 32 communicates with the water outlet 112 of the valve seat 11 . Wherein the top of the valve seat 11 can be provided with an installation port 114, and the faucet valve core B is loaded into the valve seat 11 from the installation port 114, and the installation port 114 is matched with a pressurized valve by means of screw connection or card connection. The cover C is used to fix the valve core B of the faucet on the valve seat 11; the waterway control assembly 4 can control the communication between the water inlet hole 31 and the water outlet hole 32 by using the rotating or sliding operation method in the prior art .

The key of the present invention is that an isolation seal 5 is provided between the outer wall of the valve casing 3 of the faucet valve core B and the inner wall of the valve seat 11, and the isolation seal 5 blocks the core-pulling hole of the valve seat 11 113 communicates with the water inlet channel 121 and blocks the communication between the core pulling hole 113 of the valve seat 11 and the water outlet channel 21 . The present invention blocks the communication between the core-pulling hole 113 of the valve seat 11 and the water inlet channel 121 and blocks the communication between the core-pulling hole 113 of the valve seat 11 and the water outlet channel 21 by isolating the sealing member 5. connected, thereby solving the problem of water leakage caused by the core-pulling hole 113; and the isolation seal 5 is set between the outer wall of the valve housing 3 of the faucet valve core B and the inner wall of the valve seat 11, which can effectively avoid the isolation seal 5 Come off from the body A of the two-handle faucet.

In order to further explain the technical solution of the present invention, the present invention will be described in detail through several specific examples below.

Embodiment one:

As shown in Figures 1 to 6, in this implementation, the isolation seal 5 is a water-stop pad 51, and the water-stop pad 51 blocks the core-pulling hole 113 of the valve seat 11. The pad 51 can directly block the communication between the core-pulling hole 113 of the valve seat 11 and the water inlet channel 121 and block the communication between the core-pulling hole 113 of the valve seat 11 and the water outlet channel 21 .

As shown in Figures 2 to 6, the water-stop pad 51 may include a water-stop gasket 511 with an area larger than that of the core-pulling hole 113, an annular ring 512, and a water-passing gasket 513. The water-stop gasket 511 It is sandwiched between the side of the outer wall of the valve housing 3 close to the core-pulling hole 113 and the inner wall of the valve seat 11 and blocks the core-pulling hole 113 to prevent water leakage from the core-pulling hole 113. The gasket 513 is sandwiched between the side of the outer wall of the valve housing 3 where the water outlet hole 32 is provided and the inner wall of the valve seat 11 to ensure the water tightness between the water outlet hole 32 and the water inlet 111. 513 is provided with a water hole 5131 connecting the water outlet hole 32 of the valve housing 3 and the water outlet 112 of the valve seat 11; connected. The water-stop gasket 511, the annular ring 512 and the water-passing gasket 513 can be integrally formed, or can be formed separately and then welded.

As shown in Figures 4 to 6, the water-stop pad 51 can be fixed on the outer wall of the valve housing 3, wherein the outer wall of the valve housing 3 is provided with a slot for the nesting of the water-stop pad 51, the The water-stop pad 51 is provided with a fixing hole 514 , and the locking groove is provided with a fixing protrusion 334 for nesting the fixing hole 514 to prevent the water-stop pad 51 from detaching. The clamping slot may include a first clamping slot 331 provided on the side of the outer wall of the valve housing 3 where the water outlet hole 32 is provided, and a second clamping slot 331 provided on the side of the outer wall of the valve housing 3 adjacent to the core-pulling hole 113 . Two clamping grooves 332 and an annular clamping groove 333 provided on the outer wall of the valve housing 3 along the axial direction of the valve housing 3; The second slot 332 is connected; the water-stop gasket 511 and the water-passing gasket 513 are provided with the fixing hole 514; the first slot 331 and the second slot 332 are provided with the fixing hole 514; The raised point 334 is used to fix the water-stop gasket 511 and the water-pass gasket 512, wherein the water-stop gasket 511 is nested in the second card slot 332, and the water-pass gasket 513 is nested in the first card slot. In the groove 331 , the annular ring 512 is nested in the annular locking groove 333 .

In this embodiment, a positioning mechanism can be provided between the valve housing 3 and the valve seat 11 to accurately install the faucet valve core B into the valve seat 11, so as to ensure that the water outlet hole 32 is in the same position as the valve seat 11. The communication of the water inlet 112 and the communication between the water inlet 31 and the water inlet 111 can also ensure that the water-stop pad 51 can block the core-pulling hole 113, thereby ensuring that the water-stop pad can block the valve. The communication between the core-pulling hole 113 of the seat 11 and the water inlet channel 121 is blocked and the communication between the core-pulling hole 113 of the valve seat 11 and the water outlet channel 21 is blocked. As shown in FIG. 6 , the positioning mechanism includes a positioning projection 34 provided on the outer wall of the valve housing 3 and a positioning groove 115 provided on the inner wall of the valve seat 11 for the positioning projection 34 to engage, wherein the positioning projection 34 and the positioning groove 115 can be set in reverse, that is, the positioning protrusion 34 can be set on the inner wall of the valve seat 11 and the positioning groove 115 can be set on the outer wall of the valve seat 11 .

Embodiment two:

As shown in Figures 7 to 11, in this implementation, the side of the outer wall of the valve housing 3 opposite to the water outlet hole 32 is provided with a fixed ring groove 35 facing the core-pulling hole 113, and the fixed ring groove 35 The inner diameter is larger than the diameter of the core-pulling hole 113, and the isolation seal 5 is a sealing ring 52 nested in the fixed ring groove 35. The inner wall is closely matched with the outer wall of the valve housing 3 . In this way, the cooperation between the sealing ring 52 and the outer wall of the valve housing 3 and the inner wall of the valve seat 11 can block the communication between the core-pulling hole 113 of the valve seat 11 and the water inlet channel 121 and block the suction of the valve seat 11. The communication between the core hole 113 and the water outlet channel 21 .

As shown in FIG. 8 to FIG. 11 , in this embodiment, the outer wall of the valve casing 3 is provided with a first ring groove 351 higher than the fixed ring groove 35 and a second ring groove lower than the fixed ring groove 35 along its circumference. Groove 352, the first ring groove 351 communicates with the fixed ring groove 35 through the first connecting groove 353 set on the outer wall of the valve housing 3, and the second ring groove 352 communicates with the second ring groove 352 set on the outer wall of the valve housing 3. The connection groove 354 communicates with the fixed ring groove 35; the first fixed ring groove 351 is fitted with a first fixed seal ring 521, and the first fixed seal ring 521 passes through the first ring groove nested in the first connection groove 353. The elastic connecting rib 523 is connected to the sealing ring 52, and the second ring groove 352 is equipped with a second fixed sealing ring 522, and the second fixed sealing ring 522 is nested in the second connecting groove 354. The second elastic connecting rib 524 is connected with the sealing ring 52, wherein the sealing ring 52, the first fixed sealing ring 521, the second fixed sealing ring 522, the first elastic connecting rib 523 and the second elastic connecting rib 524 can It can be integrally formed, or can be formed separately and then welded and connected. In this embodiment, the sealing ring 52 can be limited by the first fixed sealing ring 521 fitted in the first ring groove 351 and the second fixed sealing ring 522 fitted in the second ring groove 352 function, so that the sealing ring 52 is firmly fixed on the fixing ring groove 35 .

In this embodiment, a positioning mechanism may also be provided between the valve housing 3 and the valve seat 11 to accurately install the faucet valve core B into the valve seat 11, so as to ensure that the water outlet hole 32 and the The connection between the water outlet 112 and the connection between the water inlet 31 and the water inlet 111 can also ensure that the fixed ring groove 32 can face the core-pulling hole 113, thereby ensuring that the sealing ring 52 and the The cooperation between the outer wall of the valve housing 3 and the inner wall of the valve seat 11 can block the communication between the core-pulling hole 113 of the valve seat 11 and the water inlet channel 121 and block the core-pulling hole 113 of the valve seat 11 and the water outlet channel. 21 connectivity between. As shown in FIG. 11 , the positioning mechanism includes a positioning projection 34 provided on the outer wall of the valve housing 3 and a positioning groove 115 provided on the inner wall of the valve seat 11 for the positioning projection 34 to engage, wherein the positioning projection 34 and the positioning groove 115 can be set in reverse, that is, the positioning protrusion 34 can be set on the inner wall of the valve seat 11 and the positioning groove 115 can be set on the outer wall of the valve seat 11 .

Implementation three:

As shown in Fig. 12 to Fig. 16, in this implementation, the outer wall of the valve casing 3 is provided with an inclined annular inclined groove 36; the top end of the annular inclined groove 36 is located directly above the water outlet hole 32, and the annular The bottom end of the cable-stayed groove 36 is located on the other side of the outer wall of the valve casing 3 opposite to the water outlet hole 32, and the bottom end of the annular cable-stayed groove 36 is lower than the core-pulling hole 113; the isolation seal The part 5 is an O-ring 53 nested in the annular oblique groove 36, and the O-ring 53 supports the inner wall of the valve seat 11 and the outer wall of the valve housing 3 to tightly fit the inner wall of the valve seat 11 and the outer wall of the valve housing 3 .

In this embodiment, the O-ring 53 can be obliquely fixed on the outer wall of the valve housing 3 through the annular oblique groove 36, so that one end of the O-ring 53 is higher than the water outlet hole 32, and the O-ring 53 The other end of the type ring 53 is lower than the core-pulling hole 113, so that the cooperation of the O-ring 53 with the outer wall of the valve housing 3 and the inner wall of the valve seat 11 can block the core-pulling hole 113 of the valve seat 11 from the water flow. The communication between the channels 121 and the communication between the core-pulling hole 113 of the valve seat 11 and the water outlet channel 21 are blocked.

In this embodiment, a positioning mechanism may be provided between the valve housing 3 and the valve seat 11 to accurately install the faucet valve core B into the valve seat 11, so as to ensure that the water outlet hole 32 is in close contact with the valve seat 11. The communication of the water inlet 112 and the communication between the water inlet 31 and the water inlet 111 ensure the composition of the water channel of the present invention. As shown in FIG. 16 , the positioning mechanism includes a positioning projection 34 provided on the outer wall of the valve housing 3 and a positioning groove 115 provided on the inner wall of the valve seat 11 for the positioning projection 34 to engage, wherein the positioning projection 34 and the positioning groove 115 can be set in reverse, that is, the positioning protrusion 34 can be set on the inner wall of the valve seat 11 and the positioning groove 115 can be set on the outer wall of the valve seat 11 .

Embodiment four:

As shown in Figures 17 to 21, in this implementation, the outer wall of the valve casing 3 is provided with an upper annular groove 37 higher than the core-pulling hole 113 and a lower annular groove 37 lower than the core-pulling hole 113 along its circumference. Annular groove 38; two connecting slots 39 connecting the upper annular groove 37 and the lower annular groove 38 are provided between the upper annular groove 37 and the lower annular groove 38; The two sides of the hole 32, and the two connecting slots 39 are also located on both sides of the core-pulling hole 113; The lower sealing ring 55 in 38 and two elastic ribs 56 respectively nested in the two connecting slots 39, the two ends of the elastic ribs 56 are respectively connected to the upper sealing ring 54 and the lower sealing ring 55, the The upper sealing ring 54 , the lower sealing ring 55 and the two elastic ribs 56 are closely matched with the outer wall of the valve housing 3 and the inner wall of the valve seat 11 . Wherein the upper seal ring 54, the lower seal ring 55 and the two elastic ribs 56 can be integrally formed, or formed separately and then welded.

In this embodiment, since the upper annular groove 37 is higher than the core-pulling hole 113, the lower annular groove 38 is lower than the core-pulling hole 113; and the two connections of the upper annular groove and the lower annular groove are connected The embedding grooves 39 are not only respectively located on both sides of the water outlet hole 32 of the valve housing 3, but also the two connecting embedding grooves are respectively located on both sides of the core-pulling hole 113, which makes the upper sealing ring 54 nested in the upper annular groove 37, the embedding The cooperation between the lower sealing ring 55 and the two elastic ribs 56 respectively nested in the two connecting slots 39 and the outer wall of the valve housing 3 and the inner wall of the valve seat 11 can block the sealing ring 55 which is set in the lower annular groove 38. The communication between the core-pulling hole 113 of the valve seat 11 and the water inlet channel 121 is blocked, and the communication between the core-pulling hole 113 of the valve seat 11 and the water outlet channel 21 is blocked.

In this embodiment, a positioning mechanism may be provided between the valve housing 3 and the valve seat 11 to accurately install the faucet valve core B into the valve seat 11, so as to ensure that the water outlet hole 32 is in close contact with the valve seat 11. The communication of the water inlet 112 and the communication between the water inlet 31 and the water inlet 111 ensure the composition of the water channel of the present invention. As shown in FIG. 21 , the positioning mechanism includes a positioning protrusion 34 provided on the outer wall of the valve housing 3 and a positioning groove 115 provided on the inner wall of the valve seat 11 for the positioning protrusion 34 to engage, wherein the positioning protrusion 34 and the positioning groove 115 can be set in reverse, that is, the positioning protrusion 34 can be set on the inner wall of the valve seat 11 and the positioning groove 115 can be set on the outer wall of the valve seat 11 .

The above-mentioned embodiments and drawings do not limit the form and style of the product of the present invention, and any appropriate changes or modifications made by those skilled in the art should be considered as not departing from the patent scope of the present invention.

Claims (10)

1. A matching structure between a two-handle faucet body and a faucet valve core, wherein the two-handle faucet body includes left and right side bodies and a central body, and the side bodies and the central body are integrally injection-molded, so The side body includes a valve seat and a water inlet pipe connected to the bottom of the valve seat; the two ends of the central body are respectively connected to two side bodies; the bottom of the valve seat is provided with a water inlet communicating with the water inlet channel of the water inlet pipe, One side of the valve seat is provided with a water outlet facing the water outlet channel in the central body and communicating with the water outlet channel; the other side of the valve seat is provided with a core-pulling hole facing the water outlet; The faucet spool includes a valve casing and a waterway control assembly installed in the valve casing. The bottom of the valve casing is provided with a water inlet hole, and the side wall of the valve casing is provided with a water outlet hole. The waterway control assembly controls the water inlet Whether there is communication between the hole and the water outlet hole; each said valve seat is fixed with a said faucet spool, the water inlet hole of the faucet spool communicates with the water inlet of the valve seat, and the water outlet hole of the faucet spool It communicates with the water outlet of the valve seat, and is characterized in that: an isolation seal is provided between the outer wall of the valve housing of the faucet valve core and the inner wall of the valve seat, and the isolation seal blocks the core-pulling of the valve seat. The communication between the hole and the water inlet flow channel and the communication between the core pulling hole of the valve seat and the water outlet flow channel are blocked. 2. A matching structure between a two-handle faucet body and a faucet valve core as claimed in claim 1, characterized in that: the isolation seal is a water-stop pad, and the water-stop pad seals the seat of the valve seat. Core pulling hole. 3. A matching structure between a two-handle faucet body and a faucet valve core as claimed in claim 2, wherein the water-stop pad includes a water-stop gasket with an area larger than that of the core-pulling hole, an annular ring and A water-passing gasket, the water-stop gasket is sandwiched between the side of the outer wall of the valve housing close to the core-pulling hole and the inner wall of the valve seat to block the core-pulling hole, the water-passing gasket Interposed between the side of the outer wall of the valve housing where the water outlet hole is provided and the inner wall of the valve seat, the water-passing gasket is provided with a water-through hole that communicates with the water outlet hole of the valve housing and the water outlet of the valve seat ; The annular ring sleeves the valve housing and is connected with the water-stop gasket and the water-pass gasket. 4. A matching structure between a two-handle faucet body and a faucet valve core as claimed in claim 3, characterized in that: the outer wall of the valve housing is provided with a slot for nesting of the water-stop pad, and the water-stop pad The pad is provided with a fixing hole, and the card slot is provided with a fixing convex point for nesting the fixing hole. 5. A matching structure between a two-handle faucet body and a faucet valve core as claimed in claim 1, characterized in that: a fixing ring facing the core-pulling hole is provided on the side of the outer wall of the valve housing opposite to the water outlet hole groove, the inner diameter of the fixed ring groove is larger than the aperture of the core-pulling hole, and the isolation seal is a sealing ring nested in the fixed ring groove, and the sealing ring is tightly connected to the outer wall of the valve housing and the inner wall of the valve seat. Cooperate. 6. A matching structure between a two-handle faucet body and a faucet valve core as claimed in claim 5, characterized in that: the outer wall of the valve housing is provided with a first ring groove higher than the fixed ring groove and a lower groove along its circumference. The second ring groove is connected to the second ring groove of the fixed ring groove. The first ring groove communicates with the fixed ring groove through the first connecting groove set on the outer wall of the valve housing, and the second ring groove communicates with the fixed ring groove through the first connecting groove set on the outer wall of the valve housing. The two connecting grooves communicate with the fixed ring groove; a first fixed sealing ring is fitted in the first ring groove, and the first fixed sealing ring is connected to the first elastic connecting rib nested in the first connecting groove. The sealing rings are connected, and a second fixed sealing ring is fitted in the second ring groove, and the second fixed sealing ring is connected to the sealing ring through a second elastic connecting rib nested in the second connecting groove. connected. 7. A matching structure between a two-handle faucet body and a faucet valve core as claimed in claim 1, characterized in that: the outer wall of the valve housing is provided with an upper annular groove higher than the core-pulling hole along its circumference and a The lower annular groove is lower than the core-pulling hole; two connecting slots connecting the upper annular groove and the lower annular groove are provided between the upper annular groove and the lower annular groove; the two connecting slots are respectively located in the On both sides of the water outlet hole, and the two connecting grooves are respectively on both sides of the core-pulling hole; The isolation seal includes an upper sealing ring nested in the upper annular groove, a lower sealing ring nested in the lower annular groove, and two elastic ribs respectively nested in the two connecting slots, the elastic ribs The two ends of the bar are respectively connected to an upper sealing ring and a lower sealing ring; the upper sealing ring, the lower sealing ring and the two elastic ribs are closely fitted with the outer wall of the valve housing and the inner wall of the valve seat. 8. A matching structure between a two-handle faucet body and a faucet valve core as claimed in claim 1, characterized in that: the outer wall of the valve housing is provided with an inclined annular slanted groove; the top end of the annular slanted groove is located at Directly above the water outlet, the bottom end of the annular cable-stayed groove is located on the other side of the outer wall of the valve housing opposite to the water outlet, and the bottom end of the annular cable-stayed groove is lower than the core-pulling hole; The isolation seal is an O-ring nested in the annular slanted groove, and the O-ring tightly fits with the outer wall of the valve housing and the inner wall of the valve seat. 9. A matching structure between a two-handle faucet body and a faucet valve core according to any one of claims 1 to 8, wherein a positioning mechanism is provided between the valve housing and the valve seat. 10. A matching structure between a two-handle faucet body and a faucet valve core according to claim 1, characterized in that: the positioning mechanism includes a positioning protrusion disposed on the outer wall of the valve housing and a positioning protrusion disposed on the inner wall of the valve seat and provided for The positioning groove for the locking of the positioning protrusion.