CN215410436U - Split type constant temperature tap - Google Patents

Abstract

A split type thermostatic faucet comprises a body, wherein the body is axially communicated, and a plastic core main body and an eccentric water stop seat are arranged in an inner cavity of the body; the plastic core main body comprises a valve core accommodating cavity, a first water inlet channel, a first water mixing channel and a water outlet channel, and hot water is fed into the first water inlet channel; the eccentric water stop seat is axially communicated and provided with a communicated thermostatic valve core cavity and a second water mixing channel, the side wall of the eccentric water stop seat is provided with a second water inlet and a third water inlet which are communicated with the thermostatic valve core cavity, the second water mixing channel is communicated with the first water mixing channel, the second water inlet is used for feeding cold water, and the third water inlet is communicated with the first water inlet channel; at least one part forms between the outer side wall of the plastic core main body and the inner wall of the body and holds the water cavity, the water cavity is separated from the first water inlet channel through the eccentric water stop seat, one end of the water cavity is separated from the hot water inlet end, and the other end of the water cavity is communicated with the cold water inlet end, so that the water cavity is full of cold water, the surface temperature of the body is greatly reduced, and discomfort or scald caused by a user when the user touches the body is prevented.

Description

Split type constant temperature tap

Technical Field

The utility model relates to the field of bathrooms, in particular to a split type thermostatic faucet.

Background

Referring to CN110594469A patent document, as shown in fig. 1, a split thermostatic faucet is disclosed in the art, which includes a housing 8 ', a water outlet main body 3', a water mixing pipeline 2 ', a thermostatic main body 4', and a thermostatic valve core 5 ', where the water outlet main body 3' includes a first water inlet channel 33 'and a first water mixing channel 34', and a first water inlet 31 'is formed in a side wall of the water outlet main body 3', and the first water inlet 31 'and the first water inlet channel 33' are communicated with each other; the water mixing pipeline 2 ' is a straight pipe which is axially communicated, the water mixing pipeline 2 ' is inserted into the first water mixing channel 34 ', the constant temperature body 4 ' and one end of the water outlet body 3 ' which is far away from the first water inlet 31 ' are axially and hermetically butted, the constant temperature body 4 ' is composed of an outer pipe 40 ' and an inner pipe 43 ', a second water inlet 41 ' is formed in the side wall of the outer pipe 40 ', the inner cavity of the inner pipe 43 ' and the inner wall of the outer pipe 40 ' on one side which is far away from the inner pipe 43 ' jointly form a constant temperature valve core cavity 49 ', and the second water inlet 41 ' is communicated with the constant temperature valve core cavity 49 '; a third water inlet 45 'is formed between the open end of one end of the inner pipe 43' and the inner wall of the outer pipe 40 ', a second water mixing channel 42' is formed in the inner cavity of the other end of the inner pipe 43 ', an annular second water inlet channel 44' is formed between the inner wall of the outer pipe 40 'and the outer wall of the inner pipe 43', the first water inlet channel 33 'is communicated with the second water inlet channel 44', and the second water mixing channel 42 'is communicated with the straight pipe of the water mixing pipeline 2'; the thermostatic valve core 5 'is arranged in the thermostatic valve core cavity 49', a water outlet 53 'at the bottom of the thermostatic valve core 5' is communicated with the second water mixing channel 42 'of the inner tube 43', and a first water inlet part 51 'and a second water inlet part 52' are respectively communicated with a second water inlet 41 'and a third water inlet 45' which are correspondingly arranged; a first water inlet joint 81 ' and a second water inlet joint 82 ' are respectively arranged on the shell body 8 ' corresponding to the first water inlet 31 ' and the second water inlet 41 '; the outer wall of the first water inlet joint 81 'is hermetically connected with the inner wall of the first water inlet 31', and the outer wall of the second water inlet joint 82 'is hermetically connected with the inner wall of the second water inlet 41', so that hot water and cold water completely enter the first water inlet 31 'and the second water inlet 41', respectively, and do not flow out. When in use, hot water enters the first water inlet 31 ' from the first water inlet joint 81 ' and flows into the first water inlet channel 33 ', further flows into the annular second water inlet channel 44 ' and enters the second water inlet part 52 ' of the thermostatic valve core 5 ' through the communicated third water inlet 45 '; cold water enters the second water inlet 41 'from the second water inlet connection 82' and flows into the first water inlet portion 51 'of the thermostatic cartridge 5'; after the cold water and the hot water are mixed into the warm water with the set temperature in the thermostatic valve core 5 ', the cold water and the hot water enter the channel formed by the matching of the flowing direction second water mixing channel 42' and the straight pipe through the water outlet 53 'of the thermostatic valve core 5', and then flow out from the water outlet, so that the warm water is discharged for use. However, with the above structure, since the first water inlet channel 33 ' and the second water inlet channel 44 ' are filled with hot water, and the channel formed by the cooperation of the second water mixing channel 42 ' and the straight pipe is filled with mixed water, when the temperature of the hot water and the mixed water is high, the heat of the hot water and the mixed water can be transferred to the shell 8 ', so that a user feels uncomfortable when touching the shell 8 ', and scald can be caused even if the user is serious.

In view of the above, the present inventors have made extensive studies on the above-mentioned drawbacks of the prior art, and have made this invention.

Disclosure of Invention

The utility model aims to provide a split type thermostatic faucet, wherein a water containing cavity is formed between at least one part of the outer side wall of a plastic core main body and the inner wall of a main body, and the water containing cavity is filled with cold water, so that the temperature of the surface of the main body is greatly reduced.

In order to achieve the purpose, the utility model discloses a split type thermostatic faucet which comprises a body, wherein the body is axially communicated, a hot water inlet end, a cold water inlet end and a plurality of water outlet ends are arranged on the side wall of the body, and a plastic core main body and an eccentric water stop seat are sequentially arranged in an inner cavity of the body from front to back along the axial direction; the plastic core main body is cylindrical and comprises a valve core accommodating cavity, a first water inlet channel, a first water mixing channel and a plurality of water outlet channels, wherein the first water inlet channel, the first water mixing channel and the plurality of water outlet channels are axially parallel; the eccentric water stop seat is axially communicated, an inner cavity of the eccentric water stop seat forms a constant-temperature valve core cavity and a second water mixing channel which are communicated with each other from back to front along the axial direction, a second water inlet and a third water inlet which are communicated with the constant-temperature valve core cavity are formed in the side wall of the eccentric water stop seat, the second water mixing channel is communicated with the first water mixing channel, the second water inlet is communicated with a cold water inlet end, and the third water inlet is communicated with the first water inlet channel; at least one part between the outer side wall of the plastic core main body and the inner wall of the body forms a water containing cavity, the water containing cavity is arranged with the hot water inlet end, the first water inlet channel and the first water mixing channel in a water-proof and sealing mode, and the water containing cavity is communicated with the cold water inlet end, so that the water containing cavity is full of cold water.

Adopt above-mentioned design, when the hot water or muddy water temperature of first inlet channel are higher, through add a water chamber that holds cold water between moulding core main part lateral wall and body inner wall, make the heat that transmits to on the body reduce, and then make the temperature on body surface reduce, prevent uncomfortable sense or the scald that the user arouses when touching the body, improved user's use greatly and experienced.

Furthermore, a first water inlet is formed in the side wall of the first water inlet channel and is close to the hot water inlet end, and hot water flows into the first water inlet channel from the hot water inlet end through the first water inlet; and a second sealing ring is additionally arranged in the adjacent area of the first water inlet, and the water containing cavity, the hot water inlet end and the first water inlet are sealed in a water-proof way through the second sealing ring.

Furthermore, the outer side wall of the middle part of the plastic core main body is inwards concave to form a pair of water containing grooves, and the water containing grooves are communicated with the water containing cavity, so that the water containing grooves are filled with cold water. So set up, hold the basin and hold the intracavity all to be full of cold water, make the cold water capacity increase between core main part lateral wall and the body inner wall of moulding, make the temperature of body surface lower.

Further, the rear end of the outer side wall of the plastic core main body is provided with a pair of first limiting blocks, the inner wall of the body is provided with a pair of second limiting blocks corresponding to the first limiting blocks, and the axial limiting of the plastic core main body and the body is realized by the cooperation between the first limiting blocks and the second limiting blocks.

Further, the radial end of eccentric stagnant water seat is equipped with a plurality of third stopper, the body inner wall is equipped with a spacing recess corresponding to each third stopper department, through the cooperation between third stopper and the spacing recess, realizes the radial spacing of eccentric stagnant water seat and body.

Furthermore, the eccentric water stop seat comprises an eccentrically arranged water inlet seat and an inserting part from back to front along the axial direction, and the outer diameter of the water inlet seat is larger than that of the inserting part; the water inlet seat is provided with a thermostatic valve core cavity, the outer wall of the water inlet seat is provided with a second water inlet and a third water inlet which are communicated with the thermostatic valve core cavity, an annular convex edge is convexly arranged between the second water inlet and the third water inlet on the outer wall of the water inlet seat, and the annular convex edge and the inner wall of the first water inlet channel are arranged in a water-proof sealing manner to separate the first water inlet channel from the second water inlet; the water mixing valve comprises a constant temperature valve core cavity, a first water mixing channel, a water mixing valve core cavity and a water mixing valve core cavity.

By adopting the design, hot water enters the first water inlet through the hot water inlet end and flows into the first water inlet channel, and then enters the thermostatic valve core through the communicated third water inlet; cold water enters the second water inlet through the cold water inlet end and enters the thermostatic valve core; and after the cold water and the hot water are mixed into warm water with a set temperature in the thermostatic valve core, the warm water flows to the second water mixing channel and the first water mixing channel in sequence.

The water outlet pipe is characterized by further comprising a switch valve core, a thermostatic valve core and a plurality of water outlet joints, wherein the switch valve core is arranged in the valve core accommodating cavity; the side wall of the switch valve core is provided with a water inlet part, the bottom of the switch valve core is provided with water outlet parts which are in one-to-one correspondence with the water outlet channels of the plastic core main body, the water inlet part is communicated with the first water mixing channel, and each water outlet part is communicated with each corresponding water outlet channel; the thermostatic valve core is arranged in the thermostatic valve core cavity, the bottom of the thermostatic valve core is provided with a water outlet, the side wall of the thermostatic valve core is axially provided with a first water inlet part and a second water inlet part at intervals, the water outlet is communicated with the second water mixing channel, and the first water inlet part and the second water inlet part are respectively communicated with a second water inlet and a third water inlet which are correspondingly arranged; each water outlet joint is connected with the water outlet end of each corresponding body.

Further, handles are installed at two ends of the body and are respectively used for controlling the switch valve core and the thermostatic valve core.

Drawings

The detailed description, given as a non-limiting example, better explains what the utility model includes and can be implemented, and moreover, refers to the accompanying drawings, in which:

FIG. 1 is a split thermostatic faucet disclosed in CN 110594469A;

FIG. 2 is an exploded schematic view of the split thermostatic faucet of the present invention;

FIG. 3 is a perspective assembly view of the split thermostatic faucet of the present invention;

FIG. 4 is a transverse cross-sectional view of the split thermostatic faucet of the present invention;

FIG. 5 is a longitudinal cross-sectional view of the split thermostatic faucet of the present invention;

FIG. 6 is a schematic structural view of a plastic core body according to the present invention;

FIG. 7 is a schematic structural view of the eccentric water stopping seat and the body of the present invention;

FIG. 8 is a schematic structural view of a thermostatic cartridge of the present invention;

fig. 9 is a schematic structural diagram of the switch valve core of the present invention.

Description of the figures

The water-saving device comprises a body 1, a hot water inlet end 11, a cold water inlet end 12, a water outlet end 13, a second limiting block 14 and a limiting groove 15;

the plastic core comprises a plastic core main body 2, a valve core accommodating cavity 21, a first water inlet channel 22, a first water mixing channel 23, a water outlet end 231, a water outlet channel 24, a first water inlet 25, a first annular convex edge 26, a water accommodating cavity 27, a water accommodating groove 28 and a first limiting block 29;

the water mixing device comprises an eccentric water stopping seat 3, a water inlet seat 31, a second water inlet 311, a third water inlet 312, an insertion part 32, a constant temperature valve core cavity 33, a second water mixing channel 34, an annular convex edge 35 and a third limiting block 36;

a switch valve core 5, a water inlet part 51 and a water outlet part 52;

the thermostatic valve core 6, a first water inlet part 61, a second water inlet part 62 and a water outlet 63;

the water outlet joint 7, the handle 8, the first sealing ring 9 and the second sealing ring 10.

Detailed Description

The utility model is described in detail below with reference to the figures and the specific embodiments.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "front", "back", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 2 to 9, the present invention discloses a split thermostatic faucet, which comprises a body 1, a switch valve core 5, a thermostatic valve core 6, two handles 8 and a plurality of water outlets 7. The body 1 is square or cylindrical, and the body 1 is usually made of copper. The axial of body 1 link up, be equipped with a hot water end 11, a cold water end 12 and a plurality of play water end 13 of intaking on the lateral wall of body 1, the inner chamber of body 1 is equipped with one from preceding backward in proper order along the axial and moulds core main part 2 and an eccentric stagnant water seat 3.

As shown in fig. 4 to 6, the plastic core main body 2 is cylindrical, a pair of first limiting blocks 29 is disposed at the rear end of the outer side wall of the plastic core main body 2, a pair of second limiting blocks 14 is disposed on the inner wall of the body 1 corresponding to the first limiting blocks 29, and the axial limiting of the plastic core main body 2 and the body 1 is realized by the cooperation between the first limiting blocks 29 and the second limiting blocks 14. The plastic core main body 2 comprises a valve core accommodating cavity 21, the valve core accommodating cavity 21 is located at the front end of the plastic core main body 2, the plastic core main body 2 further comprises a first water inlet channel 22, a first water mixing channel 23 and a plurality of water outlet channels 24 which are parallel along the axial direction, a first water inlet 25 is formed in the position, adjacent to the hot water inlet end 11, of the side wall of the first water inlet channel 22, and hot water flows into the first water inlet channel 22 from the hot water inlet end 11 through the first water inlet 25. One end of the first water inlet channel 22 close to the hot water inlet end 11 is cut off inside the plastic core main body 2, and the other end is an open end. The first water mixing channel 23 and each water outlet channel 24 are communicated with the valve core accommodating cavity 21, and each water outlet channel 24 is communicated with each corresponding water outlet end 13.

At least one part forms between the inner wall of 2 lateral walls of mould core main part and body 1 and holds water cavity 27, hold water cavity 27 and hot water inlet end 11, first inlet channel 22 and first mixing channel 23 water proof sealed setting, in addition hold water cavity 27 and cold water inlet end 12 and switch on to make hold water cavity 27 be full of cold water, make the temperature greatly reduced of body 1 surface, prevent that the user from feeling uncomfortable or scalding that arouses when touching body 1, improved user's use greatly and experienced. Specifically, a first sealing ring 9 is additionally arranged between the outer side wall of the water outlet end 231 of the first water mixing channel 23 and the inner wall of the body 1, and the water containing cavity 27 is isolated from the first water mixing channel 23 by the first sealing ring 9; meanwhile, a second sealing ring 10 is additionally arranged in the adjacent area of the first water inlet 25, and the water containing cavity 27, the hot water inlet end 11 and the first water inlet 25 are sealed through the second sealing ring 10.

Preferably, as shown in fig. 5 and 6, the outer side wall of the middle part of the plastic core main body 2 is recessed inwards to form a pair of water containing grooves 28, and the water containing grooves 28 are communicated with the water containing cavity 27, so that the water containing grooves 28 are filled with cold water. The water containing groove 28 and the water containing cavity 27 are filled with cold water, so that the cold water capacity between the outer side wall of the plastic core main body 2 and the inner wall of the body 1 is increased, and the temperature of the outer surface of the body 1 is lower.

As shown in fig. 4 and 7, a plurality of third limiting blocks 36 are arranged at the radial end of the eccentric water stop seat 3, a limiting groove 15 is arranged at the position of the inner wall of the body 1 corresponding to each third limiting block 36, and the radial limiting of the eccentric water stop seat 3 and the body 1 is realized through the cooperation between the third limiting blocks 36 and the limiting grooves 15. The eccentric water stop seat 3 is axially communicated, the eccentric water stop seat 3 comprises an eccentrically arranged water inlet seat 31 and an inserting part 32 from back to front along the axial direction, and the outer diameter of the water inlet seat 31 is larger than that of the inserting part 32. The water inlet seat 31 is provided with a thermostatic valve core cavity 33, the outer wall of the water inlet seat 31 is provided with a second water inlet 311 and a third water inlet 312 which are communicated with the thermostatic valve core cavity 33, the second water inlet 311 is communicated with the cold water inlet end 12, and the third water inlet 312 is communicated with the first water inlet channel 22. The outer wall of the water inlet seat 31 is convexly provided with an annular convex edge 35 between the second water inlet 311 and the third water inlet 312, the annular convex edge 35 is arranged with the inner wall of the open end of the first water inlet channel 22 in a water-proof and sealing manner, so that the first water inlet channel 22 is separated from the cold water inlet end 12 and the second water inlet 311, and because one end of the first water inlet channel 22 is cut off inside the plastic core body 1, the open end of the first water inlet channel 22 is arranged with the annular convex edge 35 in a water-proof and sealing manner, the water containing cavity 27 is separated from the first water inlet channel 22. The outer wall of the insertion part 32 and the inner wall of the first water mixing channel 23 are arranged in a water-proof sealing mode, the insertion part 32 is provided with a second water mixing channel 34, and the second water mixing channel 34 is communicated with the constant-temperature valve core cavity 33 and the first water mixing channel 23.

As shown in fig. 4, 5 and 9, the switch valve core 5 is placed in the valve core accommodating cavity 21; the side wall of the switch valve core 5 is provided with a water inlet part 51, the bottom of the switch valve core is provided with water outlet parts 52 which are in one-to-one correspondence with the water outlet channels 24 of the plastic core main body 2, the water inlet part 51 is communicated with the first water mixing channel 23, and each water outlet part 52 is communicated with each corresponding water outlet channel 24.

As shown in fig. 4, 5 and 8, the thermostatic valve core 6 is disposed in the thermostatic valve core cavity 33, a water outlet 63 is disposed at the bottom of the thermostatic valve core 6, a first water inlet portion 61 and a second water inlet portion 62 are axially disposed at an interval on a side wall of the thermostatic valve core 6, the water outlet 63 is communicated with the second water mixing channel 34, and the first water inlet portion 61 and the second water inlet portion 62 are respectively communicated with a second water inlet 311 and a third water inlet 312 which are correspondingly disposed.

As shown in fig. 5, each of the water outlet connectors 7 is connected to the water outlet end 13 of the corresponding body 1.

As shown in fig. 2, handles 8 are mounted at two ends of the body 1, and are respectively used for controlling the switch valve core 5 and the thermostatic valve core 6.

When in use, hot water enters the first water inlet 25 through the hot water inlet end 11 and flows into the first water inlet channel 22, and then enters the second water inlet part 62 of the thermostatic valve core 6 through the communicated third water inlet 312, which is a hot water inlet part; cold water enters the water containing cavity 27 through the cold water inlet end 12, and a part of cold water enters the second water inlet 311 and flows into the first water inlet part 61 of the thermostatic valve core 6, which is a cold water inlet part; after the cold water and the hot water are mixed into the warm water with the set temperature in the thermostatic valve element 6, the cold water and the hot water sequentially flow into the second water mixing channel 34 and the first water mixing channel 23 through the water outlet 63 of the thermostatic valve element 6, the flow adjustment and the on/off of the water channel are realized through the switch valve element 5, and in the open state of the switch valve element 5, the warm water enters the switch valve element 5 through the water inlet part 51 on the side wall of the switch valve element 5 and then flows to the water outlet channels 24 corresponding to the plastic core main bodies 2 one by one through the water outlet parts 52 of the switch valve element 5, and then flows out through the water outlet ends 13, so that the use of the warm water is realized.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (9)

1. A split type thermostatic faucet comprises a body (1), wherein the body (1) is axially communicated, a hot water inlet end (11), a cold water inlet end (12) and a plurality of water outlet ends (13) are arranged on the side wall of the body (1), and a plastic core main body (2) and an eccentric water stop seat (3) are sequentially arranged in an inner cavity of the body (1) from front to back along the axial direction; the plastic core main body (2) is cylindrical, the plastic core main body (2) comprises a valve core accommodating cavity (21), and further comprises a first water inlet channel (22), a first water mixing channel (23) and a plurality of water outlet channels (24) which are parallel along the axial direction, the first water inlet channel (22) is communicated with a hot water inlet end (11), the first water mixing channel (23) and each water outlet channel (24) are communicated with the valve core accommodating cavity (21), and each water outlet channel (24) is communicated with each corresponding water outlet end (13); the eccentric water stop seat (3) is axially communicated, an inner cavity of the eccentric water stop seat forms a constant-temperature valve core cavity (33) and a second water mixing channel (34) which are communicated with each other from back to front along the axial direction, a second water inlet (311) and a third water inlet (312) which are communicated with the constant-temperature valve core cavity (33) are arranged on the side wall of the eccentric water stop seat (3), the second water mixing channel (34) is communicated with the first water mixing channel (23), the second water inlet (311) is communicated with a cold water inlet end (12), and the third water inlet (312) is communicated with the first water inlet channel (22); the method is characterized in that: at least one part between the outer side wall of the plastic core main body (2) and the inner wall of the body (1) forms a water containing cavity (27), the water containing cavity (27) is hermetically arranged with a hot water inlet end (11), a first water inlet channel (22) and a first water mixing channel (23) in a water-proof manner, and the water containing cavity (27) is communicated with a cold water inlet end (12), so that the water containing cavity (27) is filled with cold water.

2. A split thermostatic faucet as set forth in claim 1 wherein: a first water inlet (25) is formed in the position, close to the hot water inlet end (11), of the side wall of the first water inlet channel (22), and hot water flows into the first water inlet channel (22) from the hot water inlet end (11) through the first water inlet (25); a second sealing ring (10) is additionally arranged in the adjacent area of the first water inlet (25), and the water containing cavity (27), the hot water inlet end (11) and the first water inlet (25) are sealed in a water-proof mode through the second sealing ring (10).

3. A split thermostatic faucet as set forth in claim 1 wherein: the outer side wall of the middle part of the plastic core main body (2) is inwards concave to form a pair of water containing grooves (28), and the water containing grooves (28) are communicated with the water containing cavity (27), so that the water containing grooves (28) are filled with cold water.

4. A split thermostatic faucet as set forth in claim 1 wherein: the rear end of the outer side wall of the plastic core main body (2) is provided with a pair of first limiting blocks (29), the inner wall of the body (1) is provided with a pair of second limiting blocks (14) corresponding to the first limiting blocks (29), and the axial limiting of the plastic core main body (2) and the body (1) is realized by the cooperation between the first limiting blocks (29) and the second limiting blocks (14).

5. A split thermostatic faucet as set forth in claim 1 wherein: the radial end of eccentric stagnant water seat (3) is equipped with a plurality of third stopper (36), body (1) inner wall is equipped with a spacing recess (15) corresponding to each third stopper (36) department, through cooperation between third stopper (36) and spacing recess (15), realizes the radial spacing of eccentric stagnant water seat (3) and body (1).

6. A split thermostatic faucet as set forth in claim 1 wherein: the eccentric water stop seat (3) comprises an eccentrically arranged water inlet seat (31) and an inserting part (32) from back to front along the axial direction, and the outer diameter of the water inlet seat (31) is larger than that of the inserting part (32); the water inlet seat (31) is provided with a constant temperature valve core cavity (33), the outer wall of the water inlet seat (31) is provided with a second water inlet (311) and a third water inlet (312) which are communicated with the constant temperature valve core cavity (33), an annular convex edge (35) is convexly arranged between the second water inlet (311) and the third water inlet (312) on the outer wall of the water inlet seat, the annular convex edge (35) is arranged in a water-proof and sealing mode with the inner wall of the first water inlet channel (22), and the first water inlet channel (22) is separated from the second water inlet (311); the outer wall of the insertion part (32) and the inner wall of the first water mixing channel (23) are arranged in a water-proof sealing mode, the insertion part (32) is provided with a second water mixing channel (34), and the second water mixing channel (34) is communicated with the constant-temperature valve core cavity (33) and the first water mixing channel (23).

7. A split thermostatic faucet as set forth in claim 1 wherein: the body (1) is made of copper.

8. A split thermostatic faucet as set forth in claim 1 wherein: the water-saving valve further comprises a switch valve core (5), a thermostatic valve core (6) and a plurality of water outlet joints (7), wherein the switch valve core (5) is arranged in the valve core accommodating cavity (21); the side wall of the switch valve core (5) is provided with a water inlet part (51), the bottom of the switch valve core is provided with water outlet parts (52) which are in one-to-one correspondence with the water outlet channels (24) of the plastic core main body (2), the water inlet part (51) is communicated with the first water mixing channel (23), and each water outlet part (52) is communicated with each corresponding water outlet channel (24); the thermostatic valve core (6) is arranged in the thermostatic valve core cavity (33), a water outlet (63) is formed in the bottom of the thermostatic valve core (6), a first water inlet portion (61) and a second water inlet portion (62) are axially arranged on the side wall of the thermostatic valve core at intervals, the water outlet (63) is communicated with the second water mixing channel (34), and the first water inlet portion (61) and the second water inlet portion (62) are respectively communicated with a second water inlet (311) and a third water inlet (312) which are correspondingly arranged; each water outlet joint (7) is connected with the water outlet end (13) of each corresponding body (1).

9. A split thermostatic faucet as set forth in claim 8 wherein: handles (8) are installed at two ends of the body (1) and are respectively used for controlling the switch valve core (5) and the thermostatic valve core (6).

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