Constant-temperature faucet capable of dividing water

By distributing the water distribution valve core and the mixing valve core vertically and adding a limit cover to the water distribution handwheel, the problems of complex flow channels and excessive rotation angles in thermostatic faucets are solved, achieving the effects of simplified processing and improved safety.

CN223725520UActive Publication Date: 2025-12-26YUHUAN XINDELI VALVE CO LTD
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Patent Information

Application Number
CN202520553196.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2025-12-26
Estimated Expiration
2035-03-26

AI Technical Summary

Technical Problem

Traditional thermostatic faucets have complex flow channels, which leads to high processing difficulty and increased costs. At the same time, excessive rotation of the handwheel may cause water to spray out, posing a water safety hazard.

Method used

The water distribution valve core and the mixing valve core are distributed vertically to simplify the flow channel structure. A limit cover is installed on the outside of the water distribution handwheel to limit the rotation angle to within 90 degrees and avoid excessive rotation.

Benefits of technology

The internal flow channel of the faucet body has been simplified, reducing processing difficulty and cost, preventing water from spraying out, and improving safety during use.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

A constant-temperature faucet capable of dividing water comprises a faucet body, a water dividing valve element hole and a water mixing valve element hole, the water dividing valve element hole and the water mixing valve element hole are formed in the faucet body, a water dividing valve element is arranged in the water dividing valve element hole, a water mixing valve element is arranged in the water mixing valve element hole, and a valve rod of the water dividing valve element is connected with a water dividing hand wheel located outside the faucet body. A valve rod of the water mixing valve element is connected with a water mixing hand wheel located outside the faucet body, a faucet base is arranged below the faucet body, a faucet neck is arranged above the faucet body, a faucet nozzle is arranged at the end of the faucet neck, a handheld shower head is arranged on the left side of the faucet body, and the water mixing valve element hole is located under the water dividing valve element hole. A cold water hose and a hot water hose which are communicated with the water mixing valve element hole are arranged at the lower end of the faucet body and located in the faucet base. According to the constant-temperature faucet capable of dividing water, a flow channel in the faucet body can be effectively simplified, machining of the faucet body is facilitated, and the situation that the rotation angle is too large when the water dividing hand wheel is rotated can be effectively avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of thermostatic faucet, especially a thermostatic faucet capable of water distribution. BACKGROUND

[0002] The thermostatic faucet can utilize a thermostatic valve core to automatically mix cold water and hot water into warm water of a pre-set temperature, and at the same time, the flow rate of water can be controlled.

[0003] In order to facilitate use, the thermostatic faucet has a handheld shower in addition to the faucet mouth, and in this case, the thermostatic faucet has not only a thermostatic valve core for water mixing, but also a water distribution valve core for water distribution. The thermostatic valve core and the water distribution valve core of the conventional thermostatic faucet are respectively located at two ends of the faucet body, and the thermostatic valve core and the water distribution valve core are connected through a long and complex flow channel, which results in high processing difficulty of the flow channel inside the faucet body, affects the processing efficiency, and increases the processing cost.

[0004] During actual water distribution of the thermostatic faucet, when the water distribution valve core is rotated by the water distribution handle, the water originally sprayed from the faucet mouth may be sprayed from the handheld shower due to excessive force and large rotation angle, which results in the user being drenched and causes certain water use risks. SUMMARY

[0005] The utility model solves the above technical problem by providing a thermostatic faucet capable of water distribution, which can effectively simplify the flow channel inside the faucet body, facilitate processing of the faucet body, and effectively avoid large rotation angle when the water distribution handle is rotated.

[0006] The utility model solves the above technical problem by providing a thermostatic faucet capable of water distribution, which can effectively simplify the flow channel inside the faucet body, facilitate processing of the faucet body, and effectively avoid large rotation angle when the water distribution handle is rotated.

[0007] The utility model discloses a constant temperature faucet of water distribution, including faucet main part, the water distribution valve core hole and the water mixing valve core hole of being located on the faucet main part, be equipped with water distribution valve core in water distribution valve core hole, be equipped with water mixing valve core in water mixing valve core hole, the valve stem of water distribution valve core is connected with the water distribution handle wheel of being located outside the faucet main part, the valve stem of water mixing valve core is connected with the water mixing handle wheel of being located outside the faucet main part, and the faucet seat is equipped with the faucet main part below, and the faucet neck is equipped with the faucet main part top, and the faucet mouth is equipped with the faucet neck end, and the handheld shower is equipped with the faucet main part left side, water mixing valve core hole is located water distribution valve core hole directly below, the cold water hose and hot water hose of being through with water mixing valve core hole are equipped with the faucet main part lower extreme, and cold water hose and hot water hose are all located in the faucet seat, water mixing valve core hole and water distribution valve core hole are through with one water cavity, the water outlet interface of being through with water distribution valve core hole is equipped with the faucet main part upper left side, and the shower seat is screwed with the shower seat that is matched with it, the shower hose is equipped with the shower seat lower surface, and the handheld shower is equipped with the shower hose end, the water outlet hole that is through with shower hose is equipped with the shower seat right end surface center, and the water outlet interface is through with shower hose with water outlet hole, the upper cavity of having with the faucet main part upper part, and the faucet neck is through with water distribution valve core hole with upper cavity, the rotation limiting structure is equipped with the water distribution handle wheel outside.

[0008] The lower part in the faucet main part is equipped with a partition, and the partition divides the space in the lower part of the faucet main part into a cold water cavity and a hot water cavity located to the right of the cold water cavity.

[0009] The center of the upper end surface of the faucet main part is equipped with a sealing groove that fits the lower end surface of the faucet neck, the center of the groove bottom of the sealing groove is equipped with a connecting hole that penetrates the upper cavity, the lower end of the faucet neck is equipped with a connecting head that fits the connecting hole, the outer wall of the rear side of the upper end of the faucet main part is equipped with a positioning screw hole, the outer wall of the connecting head is equipped with a clamping hole that penetrates the positioning screw hole, a positioning screw is screwed into the positioning screw hole, and the front end of the positioning screw is clamped into the clamping hole.

[0010] The left end front side outer wall of the shower seat is equipped with a clamping groove that matches the handheld shower.

[0011] The rotation limiting structure comprises a boss arranged on the right outer wall of the faucet main body, a water distribution valve core hole arranged on the center of the right end surface of the boss, and a water distribution handle located on the right side of the boss; an annular screwing part is arranged on the right part of the outer wall of the boss; the water distribution handle is covered with a limiting cover; a limiting gap is arranged on the upper part of the limiting cover; a limiting rod is arranged on the upper surface of the water distribution handle and located in the limiting gap; the front and rear sides of the limiting gap are both provided with a blocking surface; when the limiting rod rotates by 90 degrees forward, the limiting rod contacts with the blocking surface on the front side of the limiting gap; when the limiting rod rotates by 90 degrees backward, the limiting rod contacts with the blocking surface on the rear side of the limiting gap; the left end of the limiting cover is covered on the right end of the boss; a rotating part is arranged on the left end outer wall of the limiting cover and matched with the right side wall of the screwing part; a limiting nut is screwed on the screwing part; the right end hole of the inner hole of the limiting nut extends inwardly and outwardly and forms an annular limiting part; the limiting part is sleeved on the outer wall of the limiting cover and located on the right side of the rotating part; the upper and lower edges of the right side wall of the screwing part are both provided with symmetrical positioning grooves; the upper and lower edges of the left side wall of the rotating part are both provided with positioning blocks matched with the positioning grooves; the length of the positioning block is smaller than the distance between the right side wall of the rotating part and the left side wall of the limiting part.

[0012] A connecting rod is arranged on the center of the right side outer wall of the limiting cover; a rotating handle is arranged on the right side of the connecting rod; a square hole is arranged on the center of the left side wall of the rotating handle; a square block matched with the square hole is arranged on the center of the right end surface of the connecting rod; and the square block and the rotating handle are fixed by a limiting screw.

[0013] The faucet has the advantages that:

[0014] Compared with the prior art, the water distribution constant temperature faucet mainly divides the internal space of the faucet main body into an upper cavity, a water passing cavity and a lower space composed of a cold water cavity and a hot water cavity for water flow, and the water distribution valve core hole and the water mixing valve core hole are arranged on the right outer wall of the faucet main body, so that the flow channel in the faucet main body is effectively simplified, the machining of the faucet main body is facilitated, the machining efficiency is ensured, and the machining cost is reduced.

[0015] Compared with the prior art, the water distribution constant temperature faucet of the utility model structure is covered with a limiting cover, the limiting gap of the limiting cover limits the rotation angle of the limiting rod to 90 degrees forward and 90 degrees backward, so that the rotation angle of the water distribution handle is limited to 90 degrees forward and 90 degrees backward, the water distribution valve core supplies water to the faucet neck at this time, the positioning block is clamped in the positioning groove of the screwing part, so that the limiting cover can be kept in a fixed state when the water distribution handle rotates, the effect of limiting the rotation angle by the limiting gap is ensured, the water flow originally flowing out of the faucet nozzle is prevented from being sprayed out of the handheld shower by the excessive rotation of the water distribution handle, and the situation that the user cannot react in time due to the water distribution error and is wetted is avoided.BRIEF DESCRIPTION OF DRAWINGS BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the structure diagram of the constant temperature faucet of the utility model;

[0017] Figure 2 is Figure 1 the enlarged view of A part of

[0018] Figure 3 is the structure diagram when the outer cover of the water distribution handle is limited by the cover;

[0019] Figure 4 is Figure 3 the enlarged view of B part of

[0020] Figure 5 is the perspective view of the constant temperature faucet of the utility model. DETAILED DESCRIPTION

[0021] The application will be further described in detail below in combination with the drawings and specific embodiments:

[0022] Please refer to Figures 1 to 5 , the utility model provides a constant temperature faucet of water distribution, including faucet main body 1, water distribution valve core hole 2 and mixed water valve core hole 3 set up on faucet main body 1, water distribution valve core hole 2 is equipped with water distribution valve core 4, mixed water valve core hole 3 is equipped with mixed water valve core 5, the valve stem of water distribution valve core 4 is connected with the water distribution handle 6 located outside faucet main body 1, the valve stem of mixed water valve core 5 is connected with the mixed water handle 7 located outside faucet main body 1, the lower portion of faucet main body 1 is equipped with faucet seat 8, the upper portion of faucet main body 1 is equipped with faucet neck 9, the end of faucet neck 9 has faucet mouth 10, the left side of faucet main body 1 is equipped with handheld shower 11, mixed water valve core hole 3 is located directly below water distribution valve core hole 2;The lower end of faucet main body 1 is equipped with cold water hose 12 and hot water hose 13 that are communicated with mixed water valve core hole 3, and the cold water hose 12 and the hot water hose 13 are located in the faucet seat 8;Mixed water valve core hole 3 and water distribution valve core hole 2 are communicated through a water cavity 14;The left side of the upper portion of faucet main body 1 is equipped with a water outlet interface 15 communicated with water distribution valve core hole 2;The water outlet interface 15 is screwed with a shower seat 16 matched therewith;The lower surface of shower seat 16 is equipped with a shower hose 17, and the handheld shower 11 is arranged at the end of the shower hose 17;The right end surface of shower seat 16 is equipped with a water outlet hole 18 communicated with shower hose 17, and the water outlet interface 15 is communicated with the shower hose 17 through the water outlet hole 18;The upper portion of faucet main body 1 has an upper cavity 19, and the faucet neck 9 is communicated with the water distribution valve core hole 2 through the upper cavity 19;The water distribution handle 6 is equipped with a rotation limiting structure outside.

[0023] The lower part of the faucet body 1 is provided with a partition 20, which divides the space in the lower part of the faucet body 1 into a cold water cavity 21 and a hot water cavity 22 located at the right side of the cold water cavity 21; the upper end of the cold water cavity 21 and the upper end of the hot water cavity 22 are both in communication with the mixed water valve core hole 3; the left side of the lower surface of the faucet body 1 is provided with a cold water interface 23 in communication with the cold water cavity 21, and the upper end of the cold water hose 12 is screwed into the cold water interface 23; the right side of the lower surface of the faucet body 1 is provided with a hot water interface 24 in communication with the hot water cavity 22, and the upper end of the hot water hose 13 is screwed into the hot water interface 24.

[0024] The upper end surface of the faucet body 1 is provided with a sealing groove 25 in the center, which is fitted with the lower end surface of the faucet neck 9; the bottom of the sealing groove 25 is provided with a connecting hole 26 in communication with the upper cavity 19; the lower end of the faucet neck 9 is provided with a connecting head 27 fitted with the connecting hole 26; the outer wall of the rear side of the upper end of the faucet body 1 is provided with a positioning screw hole; the outer wall of the connecting head 27 is provided with a clamping hole 28 in communication with the positioning screw hole; a positioning screw 29 is screwed into the positioning screw hole, and the front end of the positioning screw is clamped into the clamping hole 28.

[0025] The left end of the outer wall of the shower seat 16 is provided with a clamping groove 30 matched with the handheld shower 11.

[0026] The rotation limiting structure includes a boss 31 provided on the right side outer wall of the faucet body 1, and the water distribution valve core hole 2 is provided at the center of the right end surface of the boss 31, and the water distribution hand wheel 6 is located at the right side of the boss 31; the right part of the outer wall of the boss 31 is provided with a screwing part 32 in the shape of a ring; the water distribution hand wheel 6 is covered with a limiting cover 33; the upper part of the limiting cover 33 is provided with a limiting notch 34; the upper surface of the water distribution hand wheel 6 is provided with a limiting rod 35 located in the limiting notch 34; the front and rear sides of the limiting notch 34 are both provided with a blocking surface 36; when the limiting rod 35 rotates ninety degrees forward, the limiting rod 35 contacts with the blocking surface 36 on the front side of the limiting notch 34; when the limiting rod 35 rotates ninety degrees backward, the limiting rod 35 contacts with the blocking surface 36 on the rear side of the limiting notch 34; the left end of the limiting cover 33 covers the right end of the boss 31; the left end of the outer wall of the limiting cover 33 is provided with a rotating part 37 fitted with the right side wall of the screwing part 32; the screwing part 32 is externally screwed with a limiting nut 38; the right end hole of the inner hole of the limiting nut 38 extends inwardly to form a limiting part 39 in the shape of a ring, the limiting part 39 is sleeved on the outside of the limiting cover 33, and the limiting part 39 is located at the right side of the rotating part 37; the upper and lower edges of the right side wall of the screwing part 32 are provided with positioning grooves 40 symmetrical to each other; the left side wall of the rotating part 37 is provided with positioning blocks 41 matched with the positioning grooves; the length of the positioning blocks 41 is less than the distance between the right side wall of the rotating part 37 and the left side wall of the limiting part 39.

[0027] The right side outer wall center of the limiting cover 33 is provided with a connecting rod 42; the right side of the connecting rod 42 is provided with a rotating handle 43; the left side wall center of the rotating handle 43 is provided with a square hole 44; the right end surface center of the connecting rod 42 is provided with a square block 45 matched with the square hole 44; the square block 45 and the rotating handle 43 are fixed through a limiting screw 46.

[0028] The use method of the utility model is as follows:

[0029] The lower end of the cold water hose 12 can be connected with the pipeline for providing cold water, and the lower end of the hot water hose 13 can be connected with the pipeline for providing hot water; at this time, the cold water in the cold water hose will flow to the mixing valve core 5 in the mixed water valve core hole 3 through the cold water cavity 21, and the hot water in the hot water hose 13 will flow to the mixing valve core 5 in the mixed water valve core hole 3 through the hot water cavity 22; finally, the hot water and the cold water are mixed into warm water of a certain temperature in the mixing valve core 5; when water is needed, the mixing valve core 5 can be rotated by the mixing handle 7; at this time, the warm water in the mixing valve core 5 will enter the water passing cavity 14, and then enter the water distribution valve core 4; then, according to the actual needs, the water distribution valve core 4 is rotated by the water distribution handle 6; with the different rotating directions of the water distribution handle 6, the water distribution valve core 4 will deliver the warm water in the water passing cavity 14 to the faucet neck 9 or the water outlet hole 18 of the shower seat 16; when the water distribution handle 6 is rotated forward by ninety degrees and backward by ninety degrees, the water distribution valve core 4 will deliver the warm water to the faucet neck 9, and finally flow out from the faucet mouth 10 for use; when the water distribution handle 6 is rotated forward by more than ninety degrees and backward by more than ninety degrees, the water distribution valve core 4 will deliver the warm water to the water outlet hole 18 of the shower seat 16, and then flow into the shower hose 17 through the water outlet hole 18, and finally be sprayed out from the handheld shower 11 for use.

[0030] As can be seen from the above, the utility model mainly divides the internal space of the faucet main body 1 into the upper cavity 19, the water passing cavity 14 and the lower space composed of the cold water cavity 21 and the hot water cavity 22 for water flow, and the water distribution valve core hole 2 and the mixed water valve core hole 3 are distributed above and below and are both arranged on the right side outer wall of the faucet main body 1, so that the flow channel in the faucet main body 1 is effectively simplified, the situation that the flow channel in the faucet main body 1 is too complex to process the faucet main body 1 is avoided, the processing efficiency is ensured, and the processing cost is reduced.

[0031] In the actual rotation of the water distribution handle 6, in order to avoid the water distribution handle 6 from rotating too much to cause water distribution error, a limiting cover 33 is arranged outside the water distribution handle 6, a limiting gap 34 of the limiting cover 33 limits the rotation angle of the limiting rod 35 to be ninety degrees forward and ninety degrees backward, so as to limit the rotation angle of the water distribution handle 6 to be ninety degrees forward and ninety degrees backward, at this time, the water distribution valve core 4 supplies water to the faucet neck 9, since the positioning block 41 is clamped in the positioning groove 40 of the screwing part 32, when the water distribution handle 6 rotates, the limiting cover 33 can be kept in a fixed state, so as to ensure the limiting effect of the limiting gap 34, if it is needed to change the rotation angle, the limiting cover 33 can be pulled to the right, at this time, the limiting cover 33 moves to the right along the outer wall track of the boss 31, the positioning block 41 is moved out of the positioning groove 40, the limiting cover 33 can be rotated, when the limiting cover 33 rotates 180 degrees, the limiting gap 34 can provide the rotation angle of the limiting rod 35 to be the range of the water distribution valve core 4 supplying water to the handheld shower, at this time, the upside-down positioning block 41 can be clamped into the positioning groove 40 on the upper and lower sides of the screwing part 32 respectively, the fixation of the limiting cover 33 is realized again, in the actual operation process, the limiting cover 33 can be tried to be rotated before the water distribution handle 6 is rotated through the limiting rod 35, whether the limiting cover 33 is in a fixed state is determined, so as to avoid the case that the limiting cover 33 is not fixed to cause the limiting gap 34 to fail to limit the rotation angle.

[0032] A sealing groove 25 is arranged at the center of the upper end face of the faucet body 1 and is in close contact with the lower end face of the faucet neck 9, a connecting hole 26 is arranged at the center of the groove bottom of the sealing groove 25 and is in communication with the upper cavity 19, the lower end of the faucet neck 9 is provided with a connecting head 27 which is in close contact with the connecting hole 26, the outer wall of the rear upper end of the faucet body 1 is provided with a positioning screw hole, the outer wall of the connecting head 27 is provided with a clamping hole 28 which is in communication with the positioning screw hole, a positioning screw 29 is screwed into the positioning screw hole and the front end of the positioning screw 29 is clamped into the clamping hole 28, this fixing mode not only avoids water leakage by the close contact between the lower end face of the faucet neck 9 and the groove bottom of the sealing groove 25, but also facilitates the disassembly and assembly of the faucet neck 9.

[0033] The outer wall of the left end of the shower seat 16 is provided with a clamping groove 30 which is matched with the handheld shower 11, the existence of the clamping groove 30 facilitates the placement of the handheld shower 11.

[0034] A connecting rod 42 is arranged at the center of the right side outer wall of the limiting cover 33, the right side of the connecting rod 42 is provided with a rotating handle 43, a square hole 44 is arranged at the center of the left side wall of the rotating handle 43, a square block 45 is arranged at the center of the right end face of the connecting rod 42 and is matched with the square hole 44, the square block 45 and the rotating handle 43 are fixed by a limiting screw 46, this connecting mode not only ensures the stability of the rotating handle 43 and the limiting cover 33, but also facilitates the left and right movement or rotation of the limiting cover 33 by the rotating handle 43.

Claims

1. A thermostatic mixing faucet with water separation function, comprising a faucet body, a water separation valve core hole and a mixing valve core hole provided on the faucet body, a water separation valve core is arranged in the water separation valve core hole, a mixing valve core is arranged in the mixing valve core hole, a valve rod of the water separation valve core is connected with a water separation handle outside the faucet body, a valve rod of the mixing valve core is connected with a mixing handle outside the faucet body, a faucet seat is arranged below the faucet body, a faucet neck is arranged above the faucet body, the faucet neck has a faucet spout at the end, and a handheld shower is arranged on the left side of the faucet body, characterized in that: The water mixing valve core hole is located directly below the water distribution valve core hole; the lower end of the faucet body is provided with a cold water hose and a hot water hose which are in communication with the water mixing valve core hole, and the cold water hose and the hot water hose are located in the faucet seat; the water mixing valve core hole and the water distribution valve core hole are in communication through a water passage; the upper left side of the faucet body is provided with a water outlet interface which is in communication with the water distribution valve core hole; the water outlet interface is screwed with a shower seat which is matched with the water outlet interface; the lower surface of the shower seat is provided with a shower hose, and a handheld shower is arranged at the end of the shower hose; the right end surface of the shower seat is provided with a water outlet hole which is in communication with the shower hose, and the water outlet interface is in communication with the shower hose through the water outlet hole; the upper part of the faucet body is provided with an upper cavity, and the faucet neck is in communication with the water distribution valve core hole through the upper cavity; the outer surface of the water distribution handle is provided with a rotation limiting structure.

2. The thermostatic mixing faucet according to claim 1, wherein: The lower part of the faucet body is provided with a partition plate, and the partition plate divides the space in the lower part of the faucet body into a cold water cavity and a hot water cavity located on the right side of the cold water cavity; the upper end of the cold water cavity and the upper end of the hot water cavity are in communication with the water mixing valve core hole; the left side of the lower surface of the faucet body is provided with a cold water interface which is in communication with the cold water cavity, and the upper end of the cold water hose is screwed into the cold water interface; the right side of the lower surface of the faucet body is provided with a hot water interface which is in communication with the hot water cavity, and the upper end of the hot water hose is screwed into the hot water interface.

3. The thermostatic mixing faucet of claim 1, wherein: The center of the upper end surface of the faucet body is provided with a sealing groove which is matched with the lower end surface of the faucet neck; the center of the groove bottom is provided with a connecting hole which is in communication with the upper cavity; the lower end of the faucet neck is provided with a connecting head which is matched with the connecting hole; the outer wall of the rear side of the upper end of the faucet body is provided with a positioning screw hole; the outer wall of the connecting head is provided with a clamping hole which is in communication with the positioning screw hole; a positioning screw is screwed into the positioning screw hole, and the front end of the positioning screw is clamped in the clamping hole.

4. The thermostatic mixing faucet of claim 1, wherein: The left end of the shower seat is provided with a clamping groove which is matched with the handheld shower.

5. The thermostatic mixing faucet of claim 1, wherein: The rotation limiting structure comprises a boss which is arranged on the right side of the outer wall of the faucet body, the water distribution valve core hole is arranged at the center of the right end surface of the boss, and the water distribution handle is located on the right side of the boss; the right part of the outer wall of the boss is provided with a screwing part which is annular; the water distribution handle is covered with a limiting cover; the upper part of the limiting cover is provided with a limiting gap; the upper surface of the water distribution handle is provided with a limiting rod which is located in the limiting gap; the front and back sides of the limiting gap are both provided with a blocking surface; when the limiting rod is rotated by ninety degrees forward, the limiting rod is in contact with the blocking surface on the front side of the limiting gap; when the limiting rod is rotated by ninety degrees backward, the limiting rod is in contact with the blocking surface on the back side of the limiting gap; the left end of the limiting cover is covered on the right end of the boss; the left end of the outer wall of the limiting cover is provided with a rotating part which is matched with the right side wall of the screwing part; the screwing part is screwed with a limiting nut; the right end hole of the inner hole of the limiting nut extends inwardly to form a limiting part which is annular, the limiting part is sleeved on the outer surface of the limiting cover, and the limiting part is located on the right side of the rotating part; the upper and lower edges of the right side wall of the screwing part are provided with positioning grooves which are symmetrical to each other; the left side wall of the rotating part is provided with positioning blocks which are matched with the positioning grooves; the length of the positioning blocks is smaller than the distance between the right side wall of the rotating part and the left side wall of the limiting part.

6. The thermostatic mixing faucet of claim 5, wherein: The right outer wall center of the limiting cover is equipped with a connecting rod; the right side of the connecting rod is equipped with a handle; the left side wall center of the handle is equipped with a square hole; the right end surface center of the connecting rod is equipped with a square block matched with the square hole; the square block and the handle are fixed through a limiting screw.