A coaxial thermostatic water diverter valve

Abstract

The present invention provides a coaxial thermostatic water diverter valve, which belongs to the technical field of water heating equipment. It solves the problem that the existing thermostatic water diverter valve is large in size and poor in versatility. The coaxial thermostatic water diverter valve includes a valve core housing, a valve core base and a temperature adjustment handle. The valve core housing is provided with a stud assembly, a plunger, a core rod assembly, a reset spring, a movable plate and a fixed plate from top to bottom. The valve core housing is also provided with a movable plate adjustment seat. The valve core housing is provided with a movable plate adjustment knob. A seal 1 is provided between the movable plate adjustment seat and the valve core housing and near the plunger. A cold water inlet is provided on the peripheral wall of the valve core housing and above the seal 1. A hot water inlet 1 is provided on the peripheral wall of the valve core housing and below the seal 1. A hot water inlet 2 is provided at the bottom of the valve core base. The present invention has the advantages of small size, easy operation, convenient product design of faucets, and meeting the diverse design requirements of faucets.

Description

Technical Field

[0001] The invention belongs to the technical field of water heating equipment and relates to a thermostatic valve, in particular to a coaxial thermostatic water diverter valve. Background Art

[0002] In order to solve the problem of hot and cold water during bathing, people invented the thermostatic valve. However, there are usually multiple water outlets for bathing in the bathroom. Therefore, people added a water diversion function to the original thermostatic valve to form a thermostatic water diversion valve.

[0003] For example, according to the patent provided by my country, which is named "Water Dividing Thermostatic Valve" and has the application number of 2016214338111, the water dividing thermostatic valve includes a base, a shell, a water dividing moving piece, and a water dividing static piece. When in use, the water dividing moving piece is rotated relative to the water dividing static piece by rotating the base and the shell, and the second water outlet on the water dividing moving piece is connected with the first water outlet of the water dividing static piece, so as to realize the constant temperature mixed water supply at the water outlet end; by rotating the base and the shell at different angles, the isolation part of the water dividing static piece completely blocks different second water outlets, so as to realize the switching of water supply at the two water outlet ends; by rotating the base and the shell at different angles, the isolation part of the water dividing static piece blocks different opening sizes of a second water outlet, so as to realize the control of the flow rate of mixed water at one water outlet end. However, the water dividing thermostatic valve lacks a closing function, which makes the structural design of the faucet more complicated, and the diameter and volume of the water dividing thermostatic valve are too large, which is inconvenient to operate and has poor versatility. Summary of the invention

[0004] The purpose of the present invention is to address the above problems existing in the prior art and to provide a coaxial constant temperature water diverter valve which is small in size, can achieve water diverting effect and has good mixed water outlet effect.

[0005] The purpose of the present invention can be achieved through the following technical solutions: a coaxial thermostatic water diverter valve, including a valve core shell, a valve core base and a temperature adjustment handle, wherein the valve core shell is provided with a stud assembly, a plunger, a core rod assembly, a return spring, a movable plate and a fixed plate in sequence from top to bottom, and the plunger is driven to move axially by rotating the temperature adjustment handle to adjust the outlet water temperature of the mixed water, characterized in that a movable plate adjustment seat that can drive the movable plate to rotate is also provided in the valve core shell, and a movable plate adjustment knob for controlling the rotation of the movable plate adjustment seat is provided on the valve core shell, and the movable plate adjustment seat is driven to rotate by rotating the movable plate adjustment knob to adjust the movable plate to achieve the effect of diverting the mixed water, and the movable plate adjustment seat and the valve core shell are connected. A sealing member 1 for sealing is arranged between the shells and near the position of the plunger, a cold water inlet for cold water to enter is provided on the peripheral wall of the valve core shell and above the sealing member 1, a hot water inlet for hot water to enter is provided on the peripheral wall of the valve core shell and below the sealing member 1, a mixing cavity for the core rod assembly to be installed and used for mixing cold and hot water to make the core rod assembly sense temperature is provided in the movable plate adjustment seat, a plurality of cold water inlet openings for cold water to pass through are provided on the movable plate adjustment seat at a position corresponding to the cold water inlet, a plurality of hot water inlet holes for hot water to flow in are provided on the movable plate adjustment seat at a position corresponding to the hot water inlet 1, and a plurality of hot water inlet holes for hot water to flow in are provided on the movable plate adjustment seat below the hot water inlet hole A plurality of hot water inlet openings are correspondingly provided on the sides for hot water to flow in, a hot water inlet port 2 is provided at the bottom of the valve core base and is connected with the hot water inlet opening for hot water to enter, a plurality of hot water inlet holes of the moving plate that are evenly distributed in the circumferential direction and are provided on the moving plate and are provided for hot water to enter, a stator hot water inlet hole is symmetrically provided on the stator for hot water to enter and is connected with the hot water inlet hole of the moving plate, a platform is provided in the middle of the moving plate, and a mixed water outlet hole 1 is provided in the platform and is connected with the mixing cavity for hot and cold mixed water to flow out, two mixed water outlet holes 2 and 3 that can be respectively connected with the mixed water outlet hole 1 for hot and cold mixed water to flow out are provided on the stator, and two A mixing outlet one and a mixing outlet two are respectively connected with the mixing outlet two and the mixing outlet three for the outflow of cold water and mixed water. The hot water can enter the mixing cavity through the hot water inlet one, the hot water inflow hole and the lower end face of the plunger in sequence, or can enter the mixing cavity through the hot water inlet two, the fixed plate hot water inlet hole, the movable plate hot water inlet hole, the hot water inlet opening, the hot water inflow hole and the lower end face of the plunger in sequence, or enter the movable plate adjusting seat from the hot water inlet one and the hot water inlet two at the same time and enter the mixing cavity through the hot water inflow hole and the lower end face of the plunger. The cold water enters the mixing cavity through the cold water inlet and the upper end face of the plunger in sequence, mixes with the hot water to form cold and hot mixed water, and flows out from the mixing outlet one or the mixing outlet two.

[0006] In the above-mentioned coaxial constant temperature water diverter valve, the movable plate and the movable plate adjusting seat fit together to form a mutually sealed sealing surface 1, and the fixed plate and the valve core base fit together to form a mutually sealed sealing surface 2.

[0007] In the above-mentioned coaxial thermostatic water diverter valve, an upwardly protruding protruding seat is arranged on the valve core housing and between the valve core and the movable plate adjusting knob, and a limit spring and a limit bead are arranged in the protruding seat.

[0008] In the above-mentioned coaxial thermostatic water diverter valve, the inner peripheral wall at the bottom of the movable plate adjusting seat has a plurality of strip-shaped protrusions protruding circumferentially for making the core rod assembly more sensitive to temperature and improving temperature accuracy.

[0009] In the above-mentioned coaxial thermostatic water diverter valve, a connection portion is protruded from the top of the movable plate adjustment seat toward the movable plate adjustment knob, and the movable plate adjustment knob drives the movable plate adjustment seat to rotate through the connection portion to realize the rotation of the movable plate.

[0010] In the above-mentioned coaxial thermostatic water diverter valve, a sealing member 2 is provided between the valve core housing and the temperature adjustment handle, a plurality of sealing members 3 are provided between the valve core housing and the movable plate adjustment seat and above the sealing member 1, a plurality of sealing members 4 are provided on the valve core housing, a sealing member 5 is provided between the valve core housing and the movable plate adjustment seat and below the sealing member 1, a plurality of sealing members 6 are provided at the position corresponding to the sealing surface 1 between the movable plate adjustment seat and the movable plate, a sealing member 7 is provided at the position corresponding to the sealing surface 2 between the stator and the valve core base, a plurality of sealing members 8 are provided at the bottom of the valve core base, a sealing member 9 is provided between the plunger and the movable plate adjustment seat, an E-type retaining spring is provided between the bottom of the temperature adjustment handle and the valve core housing, a limiting retaining spring is provided between the valve core housing and the movable plate adjustment knob, and a wear-resistant gasket is provided in the valve core housing and between the temperature adjustment handle.

[0011] In the above-mentioned coaxial constant temperature water diverter valve, a cold water inlet filter is sleeved at the position corresponding to the cold water inlet on the valve core shell, a hot water inlet filter one is sleeved at the position corresponding to the hot water inlet one on the valve core shell, and a hot water inlet filter two is sleeved at the position corresponding to the hot water inlet two on the bottom of the valve core base.

[0012] Compared with the prior art, this coaxial thermostatic water diverter valve has the following advantages:

[0013] 1. The coaxial thermostatic water diverter valve has an optimized structure design to make its outer diameter reach D35 specification. Most of the thermostatic water diverter valves on the market are D40, so the D35 thermostatic water diverter valve is convenient for the product design of faucets and meets the diverse design requirements of faucets.

[0014] 2. The moving piece adjustment knob and the temperature control handle do not interfere with each other during operation, which improves the stability and operating experience of the product;

[0015] 3. This coaxial thermostatic water diverter valve has water diversion and opening and closing functions, making the faucet design simpler;

[0016] 4. This coaxial thermostatic water diverter valve has diversified water inlet methods and is suitable for the water inlet structure of different faucets. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the coaxial constant temperature water diverter valve.

[0018] Figure 2 This is the exploded view of the coaxial thermostatic water diverter valve.

[0019] Figure 3 It is a schematic diagram of the cross-sectional structure of the coaxial constant temperature water diverter valve.

[0020] Figure 4 It is a three-dimensional structural schematic diagram of the movable plate adjusting seat in the coaxial constant temperature water dividing valve.

[0021] Figure 5 It is a three-dimensional structural schematic diagram of the moving plate and the fixed plate in the coaxial constant temperature water dividing valve.

[0022] Figure 6 It is a schematic diagram of the cross-sectional structure of the valve core housing in the coaxial constant temperature water diverter valve.

[0023] Figure 7 It is a top view structural schematic diagram of the adjustment seat in the coaxial constant temperature water distribution valve.

[0024] In the figure, 1, valve core housing; 2, valve core base; 3, temperature control handle; 4, stud assembly; 5, plunger; 6, core rod assembly; 7, reset spring; 8, moving plate; 9, fixed plate; 10, moving plate adjustment seat; 11, moving plate adjustment knob; 12, seal one; 13, cold water inlet; 14, hot water inlet one; 15, mixing cavity; 16, cold water inlet opening; 17, hot water inlet; 18, hot water inlet opening; 19, hot water inlet two; 20, moving plate hot water inlet hole; 21, fixed plate hot water inlet hole; 22, platform; 23, mixed water outlet hole one; 24, mixed water outlet hole two; 25, mixed water outlet hole three; 26 1. Mixing outlet 1; 27. Mixing outlet 2; 28. Sealing surface 1; 29. ​​Sealing surface 2; 30. Raised seat; 31. Limiting spring; 32. Limiting bead; 33. Water through hole; 34. Strip-shaped raised part; 35. Connecting part; 36. Seal 2; 37. Seal 3; 38. Seal 4; 39. Seal 5; 40. Seal 6; 41. Seal 7; 42. Seal 8; 43. Seal 9; 44. E-type retaining spring; 45. Limit retaining spring; 46. Positioning foot; 47. Cold water inlet filter; 48. Hot water inlet filter 1; 49. Hot water inlet filter 2; 50. Wear-resistant gasket. DETAILED DESCRIPTION

[0025] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0026] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7, as shown, the coaxial thermostatic water diverter valve comprises a valve core housing 1, a valve core base 2 and a temperature adjustment handle 3. A stud assembly 4, a plunger 5, a core rod assembly 6, a return spring 7, a movable plate 8 and a fixed plate 9 are sequentially arranged in the valve core housing 1 from top to bottom. The temperature adjustment handle 3 is rotated to drive the plunger 5 to move axially to adjust the outlet water temperature of the mixed water. A movable plate adjusting seat 10 that can drive the movable plate 8 to rotate is also arranged in the valve core housing 1. A movable plate adjusting knob 11 that can control the rotation of the movable plate adjusting seat 10 is arranged on the valve core housing 1. The movable plate adjusting seat 10 is driven to rotate by rotating the movable plate adjusting knob 11, thereby adjusting the movable plate 8 to achieve the effect of diverting the mixed water. A sealing member that acts as a seal is arranged between the movable plate adjusting seat 10 and the valve core housing 1 and at a position close to the plunger 5. A seal 12, a cold water inlet 13 for cold water to enter is provided on the peripheral wall of the valve core housing 1 and located above the seal 12, a hot water inlet 14 for hot water to enter is provided on the peripheral wall of the valve core housing 1 and located below the seal 12, a mixing cavity 15 for the core rod assembly 6 to be installed and used to mix cold and hot water to make the core rod assembly 6 sense temperature is provided in the movable plate adjustment seat 10, a plurality of cold water inlet openings 16 for cold water to pass through are provided at the position corresponding to the cold water inlet 13 on the movable plate adjustment seat 10, a plurality of hot water inlet holes 17 for hot water to flow in are provided at the position corresponding to the hot water inlet 14 on the movable plate adjustment seat 10, and a plurality of hot water inlet openings 18 for hot water to flow in are provided on the movable plate adjustment seat 10 below the hot water inlet hole 17 The bottom of the valve core base 2 is provided with a hot water inlet port 2 19 which is connected with the hot water inlet opening 18 and can be used for hot water to enter. The moving plate 8 is provided with a plurality of moving plate hot water inlet holes 20 which are evenly distributed in the circumferential direction and can be used for hot water to enter. The fixed plate 9 is symmetrically provided with fixed plate hot water inlet holes 21 which can be used for hot water to enter and can be connected with the moving plate hot water inlet holes 20. A platform 22 is provided in the middle of the moving plate 8, and a mixed water outlet hole 1 23 which is connected with the mixing cavity 15 for the flow of hot and cold mixed water is provided in the platform 22. Two mixed water outlet holes 24 and a mixed water outlet hole 3 25 which can be respectively connected with the mixed water outlet hole 1 23 for the flow of hot and cold mixed water are provided on the fixed plate 9. The bottom of the valve core base 2 is provided with two mixed water outlet holes 24 and the mixed water outlet hole 3 25 which are respectively connected with the mixed water outlet hole 1 23 for the flow of hot and cold mixed water. Cold water flows out of the mixing outlet 1 26 and the mixing outlet 2 27. Hot water can enter the mixing cavity 15 through the hot water inlet 1 14, the hot water inflow hole 17 and the lower end surface of the plunger 5 in sequence, or can enter the mixing cavity 15 through the hot water inlet 2 19, the fixed plate hot water inlet hole 21, the movable plate hot water inlet hole 20, the hot water inlet opening 18, the hot water inflow hole 17 and the lower end surface of the plunger 5 in sequence, or enter the movable plate adjustment seat 10 from the hot water inlet 14 and the hot water inlet 2 19 at the same time and enter the mixing cavity 15 through the hot water inflow hole 17 and the lower end surface of the plunger 5. Cold water enters the mixing cavity 15 through the cold water inlet 13 and the upper end surface of the plunger 5 in sequence, mixes with hot water to form cold and hot mixed water, and flows out from the mixing outlet 1 26 or the mixing outlet 2 27.A cold water inlet filter 47 is sleeved at the position corresponding to the cold water inlet 13 on the valve core housing 1, a hot water inlet filter 48 is sleeved at the position corresponding to the hot water inlet 14 on the valve core housing 1, and a hot water inlet filter 49 is sleeved at the position corresponding to the hot water inlet 19 at the bottom of the valve core base 2. The movable plate 8 and the movable plate adjustment seat 10 are fitted to form a mutually sealed sealing surface 18, and the fixed plate 9 and the valve core base 2 are fitted to form a mutually sealed sealing surface 29. The top of the movable plate adjustment seat 10 extends toward the movable plate adjustment knob 11 and has a protruding connection portion 35. The movable plate adjustment knob 11 drives the movable plate adjustment seat 10 to rotate through the connection portion 35 to realize the rotation of the movable plate 8.

[0027] To elaborate further, an upwardly protruding protrusion seat 30 is provided on the valve core housing 1 and between the movable plate adjusting knob 11, and a limiting spring 31 and a limiting bead 32 are provided in the protrusion seat 30. Through the setting of the limiting bead 32 and the limiting spring 31, a prompt sound can be heard when the movable plate adjusting knob 11 is turned, thereby improving the user experience.

[0028] To elaborate further, the inner circumferential wall at the bottom of the movable plate adjusting seat 10 has a plurality of strip-shaped protrusions 34 protruding circumferentially for making the core rod assembly 6 more sensitive to temperature and improving temperature accuracy. The arrangement of the strip-shaped protrusions 34 improves the mixing effect of cold and hot water and provides a better water output effect.

[0029] To further elaborate, in order to improve the sealing performance, a sealing member 2 36 is provided between the valve core housing 1 and the temperature adjustment handle 3, a plurality of sealing members 3 37 are provided between the valve core housing 1 and the movable plate adjustment seat 10 and above the sealing member 12, a plurality of sealing members 4 38 are provided on the valve core housing 1, a sealing member 5 39 is provided between the valve core housing 1 and the movable plate adjustment seat 10 and below the sealing member 12, and a sealing member 28 is provided between the movable plate adjustment seat 10 and the movable plate 8 at a position corresponding to the sealing surface 28. A plurality of sealing members 6 40 are provided, a sealing member 7 41 is provided at the position of the sealing surface 29 between the fixed plate 9 and the valve core base 2, a plurality of sealing members 8 42 are provided at the bottom of the valve core base 2, a sealing member 9 43 is provided between the plunger 5 and the movable plate adjusting seat 10, an E-type retaining spring 44 is provided between the bottom of the temperature adjustment handle 3 and the valve core housing 1, a limit retaining spring 45 is provided between the valve core housing 1 and the movable plate adjusting knob 11, and a wear-resistant gasket 50 is provided inside the valve core housing 1 and between the valve core housing 1 and the temperature adjustment handle 3.

[0030] The plunger 5 is provided with a plurality of water through holes 33 respectively connected to the cold water inlet 13 and the mixing cavity 15 . The water through holes 33 allow cold water to pass through so that the cold water flows into the mixing cavity 15 and mixes with the hot water.

[0031] The bottom of the base is located on both sides of the hot water inlet 19 and has positioning feet 46 protruding outward. When the coaxial thermostatic water diverter valve is working or installed, the positioning feet 46 play a positioning role.

[0032] Embodiment 1:

[0033] The coaxial thermostatic water diverter valve is provided with a hot water inlet 14 alone. Hot water enters the mixing cavity 15 through the hot water inlet 14, the hot water inflow hole 17 and the lower end surface of the plunger 5 in sequence. Cold water enters the mixing cavity 15 through the cold water inlet 13 and the upper end surface of the plunger 5 in sequence and mixes with the hot water to form hot and cold mixed water, and flows out from the mixing outlet 1 26 or the mixing outlet 2 27.

[0034] Embodiment 2:

[0035] The coaxial thermostatic water diverter valve is provided with a separate hot water inlet 2 19. Hot water passes through the hot water inlet 2 19, the fixed plate hot water inlet hole 21, the movable plate hot water inlet hole 20, the hot water inlet opening 18, the hot water inflow hole 17 and the lower end surface of the plunger 5 to enter the mixing cavity 15 in sequence. Cold water passes through the cold water inlet 13 and the upper end surface of the plunger 5 in sequence to enter the mixing cavity 15 and mix with the hot water to form hot and cold mixed water, and flows out from the mixing outlet 1 26 or the mixing outlet 2 27.

[0036] Embodiment three:

[0037] The coaxial thermostatic water diverter valve is provided with a hot water inlet 14 and a hot water inlet 2 19 at the same time. Hot water enters the valve through the hot water inlet 14 and the hot water inlet 2 and mixes in the valve. Then the hot water enters the mixing cavity 15 through the hot water inlet hole 17 and the lower end surface of the plunger 5 in turn. Cold water enters the mixing cavity 15 through the cold water inlet 13 and the upper end surface of the plunger 5 in turn, mixes with the hot water to form hot and cold mixed water, and flows out from the mixing outlet 1 26 or the mixing outlet 2 27.

[0038] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A coaxial thermostatic water diverter valve, comprising a valve core housing (1), a valve core base (2) and a temperature adjustment handle (3), wherein the valve core housing (1) is provided with a stud assembly (4), a plunger (5), a core rod assembly (6), a return spring (7), a moving plate (8) and a fixed plate (9) in order from top to bottom, and the plunger (5) is driven to move axially by rotating the temperature adjustment handle (3) to adjust the outlet water temperature of the mixed water, characterized in that: The valve core housing (1) is also provided with a movable plate adjusting seat (10) capable of driving the movable plate (8) to rotate. The valve core housing (1) is provided with a movable plate adjusting knob (11) for controlling the rotation of the movable plate adjusting seat (10). By rotating the movable plate adjusting knob (11), the movable plate adjusting seat (10) is driven to rotate, thereby adjusting the movable plate (8) to achieve the effect of mixing water and dividing water. A sealing member (12) having a sealing function is provided between the movable plate adjusting seat (10) and the valve core housing (1) and at a position close to the plunger (5). A cold water inlet (13) for cold water to enter is provided on the peripheral wall of the valve core housing (1) and above the sealing member (12). A hot water inlet (14) for hot water to enter is provided on the peripheral wall of the valve core housing (1) and below the sealing member (12). The movable plate adjusting seat (10) has a core rod assembly (6) installed therein and used for mixing cold and hot water. A mixing cavity (15) is provided to make the core rod assembly (6) temperature-sensitive. A plurality of cold water inlet openings (16) are provided on the movable plate adjusting seat (10) at positions corresponding to the cold water inlet (13) for cold water to pass through. A plurality of hot water inlet openings (17) are provided on the movable plate adjusting seat (10) at positions corresponding to the hot water inlet 1 (14) for hot water to flow in. A plurality of hot water inlet openings (18) are provided on the movable plate adjusting seat (10) below the hot water inlet openings (17) for hot water to flow in. A hot water inlet 2 (19) is provided at the bottom of the valve core base (2) and is connected to the hot water inlet opening (18) for hot water to enter. A plurality of movable plate hot water inlet holes (20) are provided on the movable plate (8) and are evenly spaced in the circumference and are provided for hot water to enter. A plurality of fixed plate hot water inlet holes (21) are symmetrically provided on the fixed plate (9) for hot water to enter and are connected to the movable plate hot water inlet holes (20). The movable plate (8) is provided with a platform (22) in the middle thereof, and the platform (22) is provided with a mixing water outlet hole (23) connected to the mixing cavity (15) for the cold and hot mixed water to flow out. The fixed plate (9) is provided with two mixing water outlet holes (24) and a mixing water outlet hole (25) which can be respectively connected to the mixing water outlet hole (23) for the cold and hot mixed water to flow out. The bottom of the valve core base (2) is provided with two mixing water outlets (26) and a mixing water outlet (27) which can be respectively connected to the mixing water outlet hole (24) and the mixing water outlet hole (25) for the cold water mixed water to flow out.The hot water may enter the mixing cavity (15) through the hot water inlet port 1 (14), the hot water inflow hole (17) and the lower end surface of the plunger (5) in sequence, or may enter the mixing cavity (15) through the hot water inlet port 2 (19), the fixed plate hot water inlet hole (21), the movable plate hot water inlet hole (20), the hot water inlet opening (18), the hot water inflow hole (17) and the lower end surface of the plunger (5) in sequence, or may enter the movable plate adjustment seat (10) from the hot water inlet port 1 (14) and the hot water inlet port 2 (19) at the same time and enter the mixing cavity (15) through the hot water inflow hole (17) and the lower end surface of the plunger (5); the cold water may enter the mixing cavity (15) through the cold water inlet port (13) and the upper end surface of the plunger (5) in sequence, mix with the hot water to form hot and cold mixed water, and flow out from the mixing water outlet port 1 (26) or the mixing water outlet port 2 (27); A raised seat (30) protruding upward is provided on the valve core housing (1) and between the valve core housing and the movable plate adjusting knob (11), and a limit spring (31) and a limit bead (32) are provided in the raised seat (30); A cold water inlet filter (47) is sleeved at a position on the valve core housing (1) corresponding to the cold water inlet (13), a hot water inlet filter (48) is sleeved at a position on the valve core housing (1) corresponding to the hot water inlet 1 (14), and a hot water inlet filter (49) is sleeved at a position on the bottom of the valve core base (2) corresponding to the hot water inlet 2 (19).

2. A coaxial thermostatic water diverter valve according to claim 1, characterized in that: The movable plate (8) and the movable plate adjusting seat (10) are fitted together to form a mutually sealed sealing surface 1 (28), and the fixed plate (9) and the valve core base (2) are fitted together to form a mutually sealed sealing surface 2 (29).

3. A coaxial thermostatic water diverter valve according to claim 1, characterized in that: The inner peripheral wall of the bottom of the movable plate adjustment seat (10) has a plurality of strip-shaped protrusions (34) protruding circumferentially for making the core rod assembly (6) more sensitive to temperature and improving temperature accuracy.

4. A coaxial thermostatic water diverter valve according to claim 1, characterized in that: A connecting portion (35) is provided on the top of the movable plate adjusting seat (10) and extends toward the movable plate adjusting knob (11). The movable plate adjusting knob (11) drives the movable plate adjusting seat (10) to rotate via the connecting portion (35), thereby realizing the rotation of the movable plate (8).

5. The coaxial thermostatic water diverter valve according to claim 2, characterized in that: A sealing member 2 (36) is provided between the valve core housing (1) and the temperature adjustment handle (3), a plurality of sealing members 3 (37) are provided between the valve core housing (1) and the movable plate adjustment seat (10) and above the sealing member 1 (12), a plurality of sealing members 4 (38) are provided on the valve core housing (1), a sealing member 5 (39) is provided between the valve core housing (1) and the movable plate adjustment seat (10) and below the sealing member 1 (12), and a plurality of sealing members are provided between the movable plate adjustment seat (10) and the movable plate (8) at positions corresponding to the sealing surface 1 (28). Six (40), a sealing member seven (41) having a sealing function is provided at a position corresponding to the sealing surface two (29) between the fixed plate (9) and the valve core base (2), a plurality of sealing members eight (42) having a sealing function are provided at the bottom of the valve core base (2), a sealing member nine (43) having a sealing function is provided between the plunger (5) and the movable plate adjustment seat (10), an E-type retaining spring (44) is provided between the bottom of the temperature adjustment handle (3) and the valve core housing (1), a limit retaining spring (45) is provided between the valve core housing (1) and the movable plate adjustment knob (11), and a wear-resistant gasket (50) is provided inside the valve core housing (1) and between the temperature adjustment handle (3).

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