Environmentally friendly kitchen faucet and installation method thereof

Abstract

An environmentally friendly kitchen faucet and its installation method, comprising a shell, a support body and a valve core assembly, wherein the shell has a first assembly cavity; the support body is provided with an interface portion, the support body is sleeved in the shell, and the interface portion is arranged corresponding to the first assembly cavity; the valve core assembly comprises a valve core seat and a valve core, the valve core seat is connected to the interface portion; the valve core is connected to the interface portion after passing through the valve core seat. All components of the present invention are plastic parts, which are environmentally friendly, have few parts, are simple, easy to install and disassemble, and reduce costs.

Description

Technical Field

[0001] The invention relates to the technical field of faucets, and in particular to an environmentally friendly kitchen faucet and an installation method thereof. Background Art

[0002] At present, most kitchen faucet valve core seats on the market are directly fixed on the body. The current valve core seat type is generally made of copper alloy, and the supporting body matched with it is made of zinc alloy. The valve core seat is fixed to the inner cavity of the supporting body with a nut or screw. This is not only costly, but also has a high lead content in the water, which does not meet environmental protection requirements. Some valve core seats are directly made of all-plastic materials, but the matching screw threads of the water inlet and outlet are not strong enough and are prone to failure. Summary of the invention

[0003] The present invention aims to solve one of the technical problems in the above technology at least to a certain extent. To this end, one object of the present invention is to provide an environmentally friendly kitchen faucet.

[0004] The second object of the present invention is to provide a method for installing the kitchen faucet.

[0005] To achieve the above-mentioned purpose, the first aspect of the present invention proposes an environmentally friendly kitchen faucet, comprising an outer shell, a supporting body and a valve core assembly, wherein the outer shell has a first assembly cavity; an interface portion is provided on the supporting body, the supporting body is sleeved in the outer shell, and the interface portion is arranged corresponding to the first assembly cavity; the valve core assembly comprises a valve core seat and a valve core, the valve core seat is connected to the interface portion; the valve core is connected to the interface portion after passing through the valve core seat.

[0006] Based on the above design, the present invention provides a valve seat and a supporting body with a completely new structure, the valve seat and the supporting body can be well positioned and matched, with fewer parts and convenient installation and disassembly.

[0007] In addition, the environmentally friendly kitchen faucet proposed in the above embodiment of the present invention may also have the following additional technical features:

[0008] The support body is also provided with a guide rail, and the guide rail is correspondingly arranged above the interface part. A rib is provided on the rear part of the left side wall of the guide rail, and the right side groove wall of the guide rail is a clamping plate, and there is a gap between the clamping plate and the top of the interface part; the front end of the valve core seat is provided with a connecting piece; the connecting piece includes a slide groove, a protrusion and a hook connected in sequence from the inside to the outside, the valve core seat is inserted into the first assembly cavity, and is connected to the interface part, the clamping plate is clamped in the slide groove, the protrusion is placed in the guide rail, and the hook hooks the rib.

[0009] The top of the interface portion is recessed downward to form an arc-shaped groove, and the arc-shaped groove is arranged immediately below the guide rail; the lower edge of the protrusion is a convex edge protruding downward; when in working state, the convex edge of the protrusion is placed in the arc-shaped groove and can rotate along the arc-shaped groove.

[0010] A guide groove is provided at the front end of the outer wall of the valve core seat, and the guide groove is located on a side opposite to the slide groove, and a side wall of the guide groove located at the front end is a clamping strip; a protrusion extending upward is provided on the support body, and the protrusion is located at the bottom of the interface part, and a recess is provided between the protrusion and the interface part; the protrusion is inserted into the guide groove, and the clamping strip is inserted into the recess, so that the valve core seat and the interface part of the support body are clamped together more firmly.

[0011] The clamping strip is broken at the head portion corresponding to the clockwise rotation direction to form a notch portion, so that the protrusion can be inserted into the guide groove through the notch portion.

[0012] It also includes a clamping ring gasket, which has two positioning holes, a circular opening and two arc-shaped holes, a water outlet pipe is clamped in the circular opening and is connected to the clamping ring gasket by injection molding; each of the arc-shaped holes includes a U-shaped hole and a large-diameter hole connected to each other, and a water inlet pipe is clamped in the U-shaped hole; the bottom of the inner bottom of the support body is provided with a connecting component, and the connecting component is provided with two stepped columns, two water inlets and a water outlet; the clamping ring gasket is attached to the bottom end of the connecting component, and the two stepped columns are respectively inserted into the two positioning holes; the two water inlet pipes are respectively inserted into the two water inlets, and the water outlet pipe is inserted into the water outlet.

[0013] The top of the water outlet pipe is provided with a flange; the inner wall of the water outlet is provided with a convex ring, and the convex ring is clamped on the flange to longitudinally position the water outlet pipe.

[0014] It also includes a mounting nut, the top of the outer wall of the mounting nut is provided with a first external thread; the bottom of the inner wall of the support body is provided with a first internal thread, the mounting nut is threadedly connected to the inner bottom of the support body through the first internal thread and the first external thread, and the top end of the mounting nut is against the retaining ring gasket.

[0015] The outer wall of the support body has two vertical grooves; the inner wall of the shell has two rib groups, each of which includes two ribs, each of which is inserted into one of the vertical grooves, and the two ribs are respectively clamped on the two side walls of the vertical groove to prevent the shell from rotating in the circumferential direction.

[0016] The inner wall at the rear end of the valve core seat is provided with a plurality of second internal threads; the valve core assembly also includes a pressure cover and a semicircular cover; the outer wall ring of the pressure cover is provided with a plurality of second external threads, the pressure cover is inserted into the valve core and is screwed to the rear end of the valve core seat through the second external threads and the second internal threads, and the front end of the pressure cover is pressed against the valve core to securely connect the valve core and the interface part of the supporting body.

[0017] The shell, the supporting body and the valve core seat are all made of plastic, which is environmentally friendly and low in cost.

[0018] To achieve the above-mentioned purpose, the second embodiment of the present invention proposes a method for installing the kitchen faucet, and the specific operation method is as follows:

[0019] (1) The water outlet pipe and the clamping ring gasket are pre-injected into one piece, and the two water inlet pipes are inserted into the large diameter hole of the clamping ring gasket and pushed into the U-shaped hole;

[0020] (2) The two water inlet pipes and the water outlet pipes are respectively inserted into the two water inlets and the water outlets on the supporting body, the clamping ring gasket is attached to the bottom end of the connecting component, and the two step columns are respectively inserted into the two positioning holes;

[0021] (3) Install the nuts into the water inlet pipe and the water outlet pipe, screw them to the inner bottom of the support body, and press the clamping ring gasket to the bottom end of the connecting part;

[0022] (4) Insert the outer shell into the supporting body, insert each of the rib groups into a vertical slot of the supporting body, and rotate left and right so that the two ribs are respectively clamped on the two side walls of the vertical slot;

[0023] (5) The valve core seat is inserted into the first assembly cavity of the housing and connected to the interface portion, the protrusion of the connecting piece is placed in the arc groove of the interface portion, and is rotated clockwise along the arc groove to be clamped into the guide rail. At this time, the clamping plate is clamped in the slide groove, the protrusion is placed in the guide rail, the protrusion is inserted into the guide groove, and the clamping strip is inserted into the recess;

[0024] (6) Install the valve core, screw the gland onto the valve core seat, and finally screw the semicircular cover onto the gland. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 An exploded view of an environmentally friendly kitchen faucet of the present invention;

[0026] Figure 2 This is a cross-sectional view of an environmentally friendly kitchen faucet of the present invention (without the valve core and the gland);

[0027] Figure 3 A cross-sectional view of the housing of the present invention

[0028] Figure 4This is a diagram showing the coordination of the housing and the supporting body in the present invention;

[0029] Figure 5 for Figure 4 Sectional view in the AA direction;

[0030] Figure 6 This is one of the structural schematic diagram examples of the support body in the present invention;

[0031] Figure 7 This is the second example of the structural schematic diagram of the supporting body in the present invention;

[0032] Figure 8 This is the third example of the structural schematic diagram of the supporting body in the present invention;

[0033] Fig. 9 This is the fourth example of the structural schematic diagram of the supporting body in the present invention;

[0034] Fig.10 This is one of the structural schematic diagram examples of the valve core seat in the present invention;

[0035] Fig.11 This is the second example of the structural schematic diagram of the valve core seat in the present invention;

[0036] Fig.12 This is one of the examples of the matching diagram of the support body and the valve core seat in the present invention;

[0037] Fig.13 This is one of the examples of the matching diagram of the support body and the valve core seat in the present invention;

[0038] Fig.14 It is an assembly diagram of the clamping ring gasket, the water inlet pipe and the water outlet pipe in the present invention;

[0039] Fig.15 It is a diagram showing the matching of the snap ring gasket and the supporting body in the present invention;

[0040] Fig.16 It is an assembly diagram of the valve core and the valve core seat in the present invention. DETAILED DESCRIPTION

[0041] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0042] See also Figure 6 and Fig.12In this article, the front end of the guide rail 22 refers to the end of the guide rail 22 toward the arc groove 211, and the rear end of the guide rail 22 is the opposite end; the front end of the valve core seat 31 refers to the end of the valve core seat 31 toward the interface portion 21 of the support body 2, and the rear end of the valve core seat 31 is the opposite end.

[0043] Please refer to Figure 1 and Figure 3-5 , an environmentally friendly kitchen faucet 100, comprising a housing 1, a support body 2, a valve core assembly 3, a clamping ring gasket 4 and a mounting nut 7, wherein the housing 1 has a first assembly cavity 12, and the inner wall of the housing 1 has two rib groups 11, each of the rib groups 11 includes two ribs 111;

[0044] Please refer to Figure 3 and Figure 5-8 The support body 2 is provided with an interface portion 21, a guide rail 22 and a protrusion 23 extending upward, the protrusion 23 is located at the bottom of the interface portion 21, and there is a notch 24 between the protrusion 23 and the interface portion 21 (see Figure 2 and Fig. 9 ); the outer wall of the support body 2 has two vertical grooves 27; the support body 2 is sleeved in the shell 1, each of the rib groups 11 is inserted into one of the vertical grooves 27, and the two ribs 111 are respectively clamped on the two side walls of the vertical groove 27 to radially position the shell 1 and prevent the shell 1 from rotating in the circumferential direction. The inner bottom of the support body 2 has a connecting component 25 (see Fig. 9 ), the inner wall bottom of the support body 2 is provided with a first internal thread 26 (see Fig. 9 ).

[0045] Please refer to Figure 5-8 The interface part 21 is arranged corresponding to the first assembly cavity 12, and the guide rail 22 is arranged correspondingly above the interface part 21. A rib 221 is provided at the rear of the left side wall of the guide rail 22, and the right side groove wall of the guide rail 22 is a clamping plate 222. There is a gap between the clamping plate 222 and the top of the interface part 21 to facilitate the installation of the valve core seat 31; the top of the interface part 21 is recessed downward to form an arc groove 211, and the arc groove 211 is arranged immediately below the guide rail 22.

[0046] Please refer to Figure 1-2 and Figure 6-7 , Figure 10-13The valve core assembly 3 includes a valve core seat 31, a valve core 32, a pressure cover 33 and a semicircular cover (not shown). The front end of the valve core seat 31 has a connecting piece 311, the front end of the outer wall of the valve core seat 31 is provided with a guide groove 312, and the inner wall of the rear end of the valve core seat 31 is provided with a plurality of second internal threads 313; the connecting piece 311 includes a slide groove 311a, a protrusion 311b and a hook 311c connected in sequence from the inside to the outside, and the valve core seat 31 is connected to the interface portion 21, that is, the valve core seat 31 is inserted into the first assembly cavity 1 2, and connected to the interface part 21, the clamping plate 222 is clamped in the slide groove 311a, the protrusion 311b is placed in the guide rail 22, and the hook 311c hooks the rib 221, the hook 311c hooks the rib 221, and the valve core seat 31 is positioned in the circumferential direction to prevent the valve core seat 31 from rotating; the lower edge of the protrusion 311b is a convex edge L protruding downward; when in the working state, the convex edge L of the protrusion 311b is placed in the arc groove 211 and can rotate along the arc groove 211. The guide groove 312 is located on a side opposite to the slide groove 311a, and a side wall of the guide groove 312 located at the front end is a clamping strip 3121; the protrusion 23 is inserted into the guide groove 312, and the clamping strip 3121 is inserted into the recess 24, so that the valve core seat 31 and the interface part 21 of the support body 2 are clamped together more firmly. The clamping strip 3121 is broken at the head corresponding to the clockwise rotation direction to form a notch 3122, so that the protrusion 23 can be inserted into the guide groove 312 through the notch 3122. A sealing ring 8 is provided between the outer wall of the valve core seat 31 and the inner wall of the housing 1 (see FIG. Figure 1 and Figure 8 ).

[0047] Please refer to Figure 1-2 The shell 1, the support body 2 and the valve core seat 31 are all made of plastic, which is environmentally friendly and low in cost. The shell 1 is made of ASB (acrylonitrile-butadiene-styrene copolymer) plastic, and the support body 2 is made of PPA plastic (polyphthalamide resin).

[0048] Please refer to Fig.16 The valve core 32 passes through the valve core seat 31 and is connected to the interface portion 21; the outer wall ring of the pressure cover 33 is provided with a plurality of second external threads 331, the pressure cover 33 is inserted into the valve core 32 and is screwed to the rear end of the valve core seat 31 through the second external threads 331 and the second internal threads 313, and the front end of the pressure cover 33 is pressed against the valve core 32, so that the valve core 32 is firmly connected to the interface portion 21 of the support body 2.

[0049] Please refer to Figure 1-2 , Fig. 9 and Figure 14-15The snap ring gasket 4 has two positioning holes 41, a round mouth 42 and two arc holes 43, a water outlet pipe 5 is clamped in the round mouth 42 and connected with the snap ring gasket 4 by injection molding; each of the arc holes 43 includes a U-shaped hole 431 and a large-diameter hole 432 connected to each other, and a water inlet pipe 6 is clamped in the U-shaped hole 431; the connecting component 25 is provided with two step columns 251, two water inlets 252 and a water outlet 253; the step column 251 includes a large-diameter section 2511 and a small-diameter section 2512 connected from top to bottom, and the bottom end of the large-diameter section 2511 is flush with the bottom end of the water inlet 252. The snap ring gasket 4 is fitted to the bottom end of the connecting component 25, and the two stepped columns 251 are respectively inserted into the two positioning holes 41; the two water inlet pipes 6 are respectively inserted into the two water inlets 252, and the water outlet pipe 5 is inserted into the water outlet 253. The small diameter section 2512 is inserted into the positioning hole 41, and the bottom end of the large diameter section 2511 clamps the snap ring gasket 4 to longitudinally position the snap ring gasket 4; the top of the water inlet pipe 6 has a clamping groove 61, and the water inlet pipe 6 is first inserted into the large diameter hole 432, and then pushed into the U-shaped hole 431, so that the clamping groove 61 of the water inlet pipe 6 is clamped in the U-shaped hole 431. The water outlet pipe 5 and the snap ring gasket 4 are pre-injected and fixed together, and are integrally formed and connected. The top of the water outlet pipe 5 has a flange 51; the inner wall of the water outlet 253 has a convex ring 2531, and the convex ring 2531 is clamped on the flange 51 to longitudinally position the water outlet pipe 5. The top of the outer wall of the mounting nut 7 is provided with a first external thread 71; the mounting nut 7 is screwed to the inner bottom of the support body 2 through the first internal thread 26 and the first external thread 71, and the top end of the mounting nut 7 abuts against the clamping ring gasket 4.

[0050] Please refer to Figure 1 and Figure 12-16 A method for installing the kitchen faucet 100, the specific operation method is as follows:

[0051] (1) The water outlet pipe 5 and the clamping ring gasket 4 are pre-injected into one piece, and the two water inlet pipes 6 are inserted into the large diameter hole 432 of the clamping ring gasket 4 and pushed into the U-shaped hole 431;

[0052] (2) The two water inlet pipes 6 and the water outlet pipes 5 are respectively inserted into the two water inlets 252 and the water outlets 253 on the supporting body 2, the clamping ring gasket 4 is attached to the bottom end of the connecting component 25, and the two stepped columns 251 are respectively inserted into the two positioning holes 41;

[0053] (3) The installation nut 7 is inserted into the water inlet pipe 6 and the water outlet pipe 5, screwed to the inner bottom of the support body 2, and the clamping ring gasket 4 is pressed against the bottom end of the connecting component 25;

[0054] (4) Insert the housing 1 into the supporting body 2, insert each of the rib groups 11 into a vertical slot 27 of the supporting body 2, and rotate left and right so that the two ribs 111 are respectively clamped on the two side walls of the vertical slot 27;

[0055] (5) The valve core seat 31 is inserted into the first assembly cavity 12 of the housing 1 and connected to the interface portion 21. The protrusion 311b of the connecting piece 311 is placed in the arc groove 211 of the interface portion 21 and rotates clockwise along the arc groove 211 to snap into the guide rail 22. The elastic hook 311c is deformed when passing through the guide rail 22. After the valve core seat 31 rotates through the guide rail 22, the elastic hook 311c rebounds and snaps onto the rib 221 to prevent the valve core seat 31 from rotating. At this time, the clamping plate 222 is clamped in the slide groove 311a, the protrusion 311b is placed in the guide rail 22, the protrusion 23 is inserted into the guide groove 312, and the clamping strip 3121 is inserted into the recess 24.

[0056] (6) Install the valve core 32, screw the gland 33 to the valve core seat 31, and finally screw the semicircular cover onto the gland 33.

[0057] All components of the present invention are plastic parts, which are environmentally friendly, have fewer parts, are simple, easy to install and disassemble, and reduce costs.

[0058] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. An environmentally friendly kitchen faucet (100), characterized in that: The invention comprises a shell (1), a supporting body (2) and a valve core assembly (3), wherein the shell (1) has a first assembly cavity (12); the supporting body (2) is provided with an interface portion (21), the supporting body (2) is sleeved in the shell (1), and the interface portion (21) is arranged corresponding to the first assembly cavity (12); The valve core assembly (3) comprises a valve core seat (31) and a valve core (32), wherein the valve core seat (31) is connected to the interface portion (21), and the valve core (32) passes through the valve core seat (31) and is connected to the interface portion (21); The support body (2) is also provided with a guide rail (22), the guide rail (22) being arranged above the interface portion (21), a rib (221) being arranged at the rear of the left side wall of the guide rail (22), a clamping plate (222) being arranged at the right side groove wall of the guide rail (22), and a gap being provided between the clamping plate (222) and the top end of the interface portion (21); The front end of the valve core seat (31) has a connecting piece (311); the connecting piece (311) includes a slide groove (311a), a protrusion (311b) and a hook (311c) which are connected in sequence from the inside to the outside; the valve core seat (31) is inserted into the first assembly cavity (12) and connected to the interface portion (21); the clamping plate (222) is clamped in the slide groove (311a), the protrusion (311b) is placed in the guide rail (22), and the hook (311c) hooks the rib (221).

2. The environmentally friendly kitchen faucet (100) according to claim 1, characterized in that: The top of the interface portion (21) is recessed downward to form an arc-shaped groove (211), and the arc-shaped groove (211) is arranged immediately below the guide rail (22); the lower edge of the protrusion (311b) is a convex edge (L) protruding downward; when in a working state, the convex edge (L) of the protrusion (311b) is placed in the arc-shaped groove (211) and can rotate along the arc-shaped groove (211).

3. The environmentally friendly kitchen faucet (100) according to claim 1, characterized in that: A guide groove (312) is provided at the front end of the outer wall of the valve core seat (31), and the guide groove (312) is located on a side opposite to the slide groove (311a), and a side wall of the guide groove (312) located at the front end is a clamping strip (3121); The support body (2) is provided with a protrusion (23) extending upwards, the protrusion (23) is located at the bottom of the interface portion (21), and a recess (24) is provided between the protrusion (23) and the interface portion (21); the protrusion (23) is inserted into the guide groove (312), and the clamping strip (3121) is inserted into the recess (24).

4. The environmentally friendly kitchen faucet (100) according to claim 3, characterized in that: The clamping strip (3121) is broken at the head portion corresponding to the clockwise rotation direction to form a notch portion (3122).

5. The environmentally friendly kitchen faucet (100) according to claim 1, characterized in that: It also includes a snap ring gasket (4), the snap ring gasket (4) having two positioning holes (41), a round opening (42) and two arc-shaped holes (43), a water outlet pipe (5) being clamped in the round opening (42); each of the arc-shaped holes (43) includes a U-shaped hole (431) and a large-diameter hole (432) connected to each other, and a water inlet pipe (6) being clamped in the U-shaped hole (431); The inner bottom of the supporting body (2) is provided with a connecting component (25), and the connecting component (25) is provided with two stepped columns (251), two water inlets (252) and a water outlet (253); the snap ring gasket (4) is attached to the bottom end of the connecting component (25), and the two stepped columns (251) are respectively inserted into the two positioning holes (41); The two water inlet pipes (6) are respectively inserted into the two water inlets (252), and the water outlet pipe (5) is inserted into the water outlet (253).

6. The environmentally friendly kitchen faucet (100) according to claim 5, characterized in that: The top of the water outlet pipe (5) is provided with a flange (51); The inner wall of the water outlet (253) has a convex ring (2531), and the convex ring (2531) is clamped on the flange (51).

7. The environmentally friendly kitchen faucet (100) according to claim 5, characterized in that: It also includes a mounting nut (7), wherein the top of the outer wall of the mounting nut (7) is provided with a first external thread (71); The bottom of the inner wall of the support body (2) is provided with a first internal thread (26), the mounting nut (7) is screwed to the inner bottom of the support body (2) via the first internal thread (26) and the first external thread (71), and the top end of the mounting nut (7) abuts against the retaining ring gasket (4).

8. The environmentally friendly kitchen faucet (100) according to claim 1, characterized in that: The outer wall of the supporting body (2) has two vertical grooves (27); The inner wall of the outer shell (1) has two rib groups (11), each of the rib groups (11) comprises two ribs (111), each of the rib groups (11) is inserted into a vertical groove (27), and the two ribs (111) are respectively clamped on two side walls of the vertical groove (27).

9. The environmentally friendly kitchen faucet (100) according to claim 1, characterized in that: The inner wall of the rear end of the valve core seat (31) is provided with a plurality of second internal threads (313); The valve core assembly (3) further comprises a gland (33) and a semicircular cover; the outer wall ring of the gland (33) is provided with a plurality of second external threads (331); the gland (33) is inserted into the valve core (32) and is screwed to the rear end of the valve core seat (31) via the second external threads (331) and the second internal threads (313); and the front end of the gland (33) abuts against the valve core (32).

10. The environmentally friendly kitchen faucet (100) according to claim 1, characterized in that: The shell (1), the supporting body (2) and the valve core seat (31) are all made of plastic.

11. A method for installing a kitchen faucet (100) according to claim 1, characterized in that: The kitchen faucet further comprises a snap ring gasket (4), the snap ring gasket (4) having two positioning holes (41), a round opening (42) and two arc-shaped holes (43), a water outlet pipe (5) being clamped in the round opening (42); each of the arc-shaped holes (43) comprises a U-shaped hole (431) and a large-diameter hole (432) connected to each other, a water inlet pipe (6) being clamped in the U-shaped hole (431); a guide groove (312) is provided at the front end of the outer wall of the valve core seat (31), the guide groove (312) is located at a side opposite to the slide groove (311a), and a side wall of the guide groove (312) at the front end is a clamping strip (3121); a support body (2) is provided with a groove extending upward. A protruding portion (23) extending from the support body (2) is provided, the protruding portion (23) being located at the bottom of the interface portion (21), and a notch (24) being provided between the protruding portion (23) and the interface portion (21); the protruding portion (23) is inserted into the guide groove (312), and the clamping strip (3121) is inserted into the notch (24); the outer wall of the support body (2) has two vertical grooves (27); the inner wall of the outer shell (1) has two rib groups (11), each of the rib groups (11) includes two ribs (111), each of the rib groups (11) is inserted into one of the vertical grooves (27), and the two ribs (111) are respectively clamped on two side walls of the vertical groove (27); The specific operation method is as follows: (1) The water outlet pipe (5) and the clamping ring gasket (4) are pre-injected into one piece, and the two water inlet pipes (6) are inserted into the large diameter hole (432) of the clamping ring gasket (4) and pushed into the U-shaped hole (431); (2) The two water inlet pipes (6) and the water outlet pipe (5) are respectively inserted into the two water inlets (252) and the water outlets (253) on the supporting body (2), the clamping ring gasket (4) is attached to the bottom end of the connecting component (25), and the two step columns (251) are respectively inserted into the two positioning holes (41); (3) The mounting nut (7) is inserted into the water inlet pipe (6) and the water outlet pipe (5), screwed to the inner bottom of the support body (2), and the clamping ring gasket (4) is pressed tightly to the bottom end of the connecting component (25); (4) inserting the housing (1) into the supporting body (2), inserting each of the rib groups (11) into a vertical groove (27) of the supporting body (2), and rotating the ribs (111) left and right so that the two ribs (111) are respectively clamped on the two side walls of the vertical groove (27); (5) The valve core seat (31) is inserted into the first assembly cavity (12) of the housing (1) and connected to the interface portion (21); the protrusion (311b) of the connecting piece (311) is placed in the arc groove (211) of the interface portion (21), and is rotated clockwise along the arc groove (211) to be clamped into the guide rail (22); at this time, the clamping plate (222) is clamped in the slide groove (311a), the protrusion (311b) is placed in the guide rail (22), the protrusion (23) is inserted into the guide groove (312), and the clamping strip (3121) is inserted into the recess (24); (6) Install the valve core (32), screw the gland (33) to the valve core seat (31), and finally screw the semicircular cover onto the gland (33).

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