CN204176034U - A kind of constant temperature diverter valve spool and constant-temperature shower faucet - Google Patents

Abstract

The utility model discloses a constant temperature water diversion valve core and a constant temperature shower faucet. The constant temperature water diversion valve core comprises a constant temperature valve core, a valve body, a movable valve plate with at least one first water outlet hole, and at least two second water outlets. The fixed valve plate of the hole and the water diversion valve stem, the side of the valve body is provided with a hot water inlet and a cold and hot water inlet, and at least two water outlet channels are provided at one end; the thermostatic valve core is connected to the valve body; the movable valve plate and the fixed valve plate They are installed in the valve body respectively, and are sealed and bonded together, and the first water outlet hole of the movable valve plate is connected with the mixing water channel of the thermostatic valve core, and the second water outlet holes of the fixed valve plate are connected with the water outlet channel of the valve body respectively. One-to-one correspondence is connected; the movable valve plate is coaxially fixed with the water diversion valve rod, so that the first water outlet hole is connected with or separated from each second water outlet hole of the fixed valve plate with the rotation of the water diversion valve rod. The thermostatic shower faucet is equipped with the aforementioned thermostatic water diversion valve core. The utility model reduces the volume of the constant temperature shower faucet, simplifies its structure and reduces the production cost.

Description

A thermostatic water diversion valve core and a thermostatic shower faucet

technical field

The utility model relates to a valve core and a shower faucet, in particular to a constant temperature water diversion valve core and a constant temperature shower faucet.

Background technique

At present, the thermostatic shower faucet in the prior art generally includes a shower faucet body, a thermostatic valve core, and a water diversion valve core. The thermostatic valve core and the water diversion valve core are respectively attached to the main body of the shower faucet. The water diversion spool is used for water diversion and switch waterway. The thermostatic shower faucet of the prior art, because the thermostatic valve core and the water diversion valve core are two independent parts, on the one hand, the volume of the main body of the shower faucet is relatively large, which not only takes up space but also consumes cost; on the other hand, the main body of the shower faucet An additional partition wall is required inside to communicate the waterway between the two, which leads to a more complicated structure of the main body of the shower faucet, which is not conducive to processing, and the cost is higher.

Utility model content

The utility model provides a constant temperature water diversion valve core and a constant temperature shower faucet, which overcomes the disadvantages of the constant temperature shower faucet in the prior art.

The technical solution adopted by the utility model to solve the technical problem is: a constant temperature water diversion valve core, including a constant temperature valve core, a valve body, a movable valve plate with at least one first water outlet hole, and at least two second outlet holes. The fixed valve plate and the water diversion valve stem of the second water outlet hole, the side of the valve body is provided with a hot water inlet and a cold water inlet corresponding to the thermostatic valve core, and at least two water outlet channels are provided at one end; the thermostatic valve core is mounted on this In the valve body, and the control end of the thermostatic valve core extends out of one end of the valve body; the movable valve plate and the fixed valve plate are respectively installed in the valve body, and are sealed and bonded, and the first water outlet hole of the movable valve plate It is connected with the mixing water circuit of the thermostatic valve core, and the second water outlet holes of the fixed valve plate are connected with the water outlet channels of the valve body in one-to-one correspondence; one end of the water diversion valve stem is placed in the valve body, and passes The valve plate and the fixed valve plate; the movable valve plate is coaxially fixed with the water diversion valve stem, so that the first water outlet holes are connected with or separated from the second water outlet holes of the fixed valve plate with the rotation of the water diversion valve stem.

Further, the valve body is divided into a valve core housing with the hot water inlet and cold water inlet on the side and a water distribution seat with the at least two water outlet channels, and the thermostatic valve core is attached to the valve core The outer casing, and its control end protrudes from one end of the spool casing, and the other end of the spool casing is the mixed water outlet end connected to the mixing water circuit of the thermostatic spool; the water distributor is attached to the other end of the spool casing, The movable valve plate and the fixed valve plate are installed in the water distribution seat respectively, and the first water hole of the movable valve plate is connected with the mixed water outlet end of the valve core shell, and the first water holes of the fixed valve plate are connected to each other. The two water outlet holes are respectively connected with the water outlet channels of the water distribution seat in one-to-one correspondence, and one end of the water distribution valve rod is placed in the water distribution seat.

Further, it also includes a positioning seat, a positioning slider and a spring. The positioning seat is provided with a water hole and a mounting hole. The positioning seat is installed in the water diversion seat and is coaxial with the water diversion valve stem. Fixed connection, the first water outlet hole of the movable valve plate is connected with the mixed water outlet end of the valve body through the water outlet hole of the water distribution seat; the other end of the valve core shell is arranged with several In the recessed hole indicating that the water diversion valve stem rotates to a preset angle, the positioning slider is attached to the installation hole of the water diversion seat, and one end of it is pressed against the valve core shell through a spring, and is positioned on the water diversion valve. When the rod is rotated to a preset angle, it snaps into the corresponding concave hole.

Further, the end of one end of the water diversion valve stem is provided with at least two extensions in the radial direction, and the at least two extensions are snapped into the positioning seat respectively, so that the positioning seat and the water diversion valve The rods are coaxially connected; the movable valve plate and the positioning seat are clamped and fixed, so that the movable valve plate is coaxially linked with the water diversion valve rod through the positioning seat.

Further, the axis of the installation hole is parallel to the axis of the water diversion valve stem, and the concave hole is provided on the end surface of the other end of the valve core housing.

Further, the first water outlet hole of the movable valve plate is one, and the first water outlet hole is formed by a notch provided on the movable valve plate, and the notch penetrates both ends and side surfaces of the movable valve plate.

Further, a positioning sleeve is fixedly fitted on the control end of the thermostatic valve core, and a positioning boss is provided on the outer end surface of the positioning sleeve, which is used to make way The notch corresponds to the fit.

A thermostatic shower faucet, comprising a main body of the shower faucet, the main body of the shower faucet is provided with a hot water inlet end, a cold water inlet end and at least two mixed water outlets; it also includes a thermostatic water diversion valve core as described in any one of the above, The thermostatic water diversion valve core is installed in the main body of the shower faucet, and the hot water inlet and the cold water inlet of the valve body correspond to and communicate with the hot water inlet end and the cold water inlet end of the shower faucet body respectively. , the water outlet channels of the valve body correspond to and communicate with the mixing outlets of the shower faucet body; the control end of the thermostatic valve core extends out of the shower faucet body and is connected with a first rotating handwheel , the main body of the shower faucet is also equipped with a second rotating hand wheel, which is coaxially linked with the water diversion valve rod.

Further, it also includes a transmission rod, one end of which extends out of the main body of the shower faucet and is attached to the second rotating handwheel, the other end of the transmission rod extends into the main body of the shower faucet and It is coaxially connected with the other end of the water diversion valve stem.

Further, the hot water inlet and the cold water inlet of the main body of the shower faucet are respectively equipped with one-way valves; the hot water inlet is directly connected to the hot water inlet of the valve body, A water passage cavity is provided in the main body of the shower faucet, and the cold water inlet end communicates with the cold water inlet of the valve body through the water passage cavity.

The beneficial effects of the utility model are:

1. The utility model integrates the thermostatic valve core and the water diversion valve core of the prior art by adopting the above structure, so that it not only has the function of adjusting the water temperature, but also has the functions of dividing water, adjusting the flow rate and opening and closing the waterway. After the utility model integrates the thermostatic valve core and the water diversion valve core, compared with the independent thermostatic valve core and the water diversion valve core, its volume is significantly reduced, so the volume of the main body of the shower faucet can be correspondingly reduced; After the utility model integrates the thermostatic valve core and the water diversion valve core into one body, the two can directly pass the water, eliminating the complicated process of setting up additional waterway partition walls inside the main body of the shower faucet, thus making the structure of the main body of the shower faucet simpler and more convenient. The smaller size can greatly reduce the production cost.

2. The thermostatic shower faucet of the present utility model has a cold touch function: the water passing cavity of the main body of the shower faucet passes cold water, hot water and mixed water are surrounded by cold water and flows, and the cold water will take away the heat, avoiding the temperature rise of the main body of the shower faucet. Prevent users from being burned.

The utility model will be described in further detail below with reference to the accompanying drawings and examples; however, a thermostatic water diversion valve core and a thermostatic shower faucet of the utility model are not limited to the examples.

Description of drawings

Fig. 1 is the explosion schematic diagram of the constant temperature water diversion valve core of the present utility model;

Fig. 2 is a schematic diagram of the three-dimensional structure of the constant temperature water diversion valve core of the present invention;

Fig. 3 is a schematic cross-sectional view of the constant temperature water diversion valve core of the present invention;

Fig. 4 is the second schematic cross-sectional view of the constant temperature water diversion valve core of the present invention;

Fig. 5 is a schematic diagram of cooperation between the water diversion valve rod and the positioning seat, the movable valve plate and the fixed valve plate of the utility model;

Fig. 6 is a schematic diagram of the control state of the water diversion valve rod of the present invention;

Fig. 7 is a schematic sectional view 1 of the thermostatic shower faucet of the present invention;

Fig. 8 is a second schematic cross-sectional view of the thermostatic shower faucet of the present invention.

Detailed ways

For the embodiment, please refer to Fig. 1-Fig. 6, a thermostatic water diversion valve core of the present invention includes a thermostatic valve core 3, a valve body, a moving valve plate 7, a fixed valve plate 8 and a water diversion valve stem 5. The movable valve plate 7 and the fixed valve plate 8 are ceramic plates respectively, and the movable valve plate 7 is provided with a first water outlet hole 71, and the fixed valve plate 8 is provided with two second water outlet holes 81, and the two second water outlet holes 81 are fan-shaped respectively. shape and are symmetrical to each other. The side of the valve body is provided with a hot water inlet 41 and a cold water inlet 42 corresponding to the thermostatic valve core 3, and two water outlet channels 93 are provided at one end; the thermostatic valve core 3 is installed in the valve body, and the thermostatic valve core 3 The control end of the valve extends out of one end of the valve body; the movable valve plate 7 and the fixed valve plate 8 are respectively installed in the valve body, and are sealed and bonded together, and the first water outlet hole 71 of the movable valve plate 7 is connected to the thermostatic valve core 3 The mixing water circuit of the fixed valve plate 8 is connected to each other, and the second water outlet holes 81 of the fixed valve plate 8 are connected with the water outlet channels 93 of the valve body in one-to-one correspondence; The valve plate 7 and the fixed valve plate 8; the movable valve plate 7 is coaxially fixed with the water diversion valve rod 5, so that the first water outlet hole 71 and each second water outlet hole 81 of the fixed valve plate 8 rotate with the water diversion valve rod 5 connected or separated.

As a preference, the valve body is divided into a valve core shell 4 with the hot water inlet 41 and a cold water inlet on the side and a water distribution seat 9 with the two water outlet channels 93. The thermostatic valve core 3. The thermostatic spool limit sleeve 1 is attached to the spool shell 4, and its control end protrudes from one end of the spool shell 4. The other end of the spool shell 4 is the mixing water circuit connected to the thermostatic spool 3. The mixed water outlet 43; the water distribution seat 9 is mounted on the other end of the valve core shell 4 in a buckle connection mode, and the movable valve plate 7 and the fixed valve plate 8 are respectively mounted in the water distribution seat 9, and the The first water outlet hole of the movable valve plate 7 is connected with the mixed water outlet 43 of the valve core shell 4, and each second water outlet hole 81 of the fixed valve plate 8 is respectively connected with the water outlet channel 93 of the water distribution seat 9 one by one. The corresponding phase is connected, and one end of the water diversion valve rod 5 is put into the water diversion seat 9 .

As a preference, the constant temperature water diversion valve core of the present utility model also includes a positioning seat 6, a positioning slider 65 and a spring 64, the positioning seat 6 should be provided with a water hole 61 and a mounting hole 62, and the positioning seat 6 is attached to Inside the water distribution seat 9, and coaxially connected with the water distribution valve rod 5, the movable valve plate 7 is sealed and attached to the positioning seat 6, and its first water outlet hole 71 passes through the water distribution seat 9 The water hole 61 of the valve body is connected with the mixing water outlet 43 of the valve body; the other end of the valve core housing 4 is arranged along the circumferential direction with four holes for instructing the water diversion valve stem 5 to rotate to a preset angle. The concave hole 45, the positioning slider 65 is attached to the installation hole 62 of the water distribution seat 9, and one end of it is pressed against the valve core housing 4 through a spring 64, and when the water distribution valve rod 5 is rotated to a preset angle When snapping into the corresponding concave hole 45. Here, specifically, the installation hole 62 is a blind hole, and its axis is parallel to the axis of the water diversion valve stem 5 , and the concave hole 45 is provided on the end surface of the other end of the valve core housing 4 . The preset rotation angles of the water diversion valve rod 5 are 90°, 180°, 270° and 360°, as shown in FIG. 6 .

As a preference, the end of one end of the water diversion valve rod 5 is provided with two extensions 51 in the radial direction, and the two extensions 51 are snapped into the positioning seat 6 respectively, so that the positioning seat 6 and the The water diversion valve rod 5 is coaxially fixed; the movable valve plate 7 is clamped and fixed with the positioning seat 6, so that the movable valve plate 7 passes through the positioning seat 6 and the water diversion valve rod 5 coaxial linkage. Specifically, three engaging grooves 72 are provided on the end surface of the movable valve plate 7 , and three engaging protrusions 63 are correspondingly provided on the positioning seat 6 , and each engaging protrusion 63 is engaged with the engaging grooves 72 one by one. Here, a friction ring 66 is fixedly fitted in the positioning seat 6 , and the friction ring 66 is located outside one end of the water diversion valve stem 5 .

As a preference, the first water outlet hole 71 of the movable valve plate 7 is formed by a notch provided on the movable valve plate 7 , and the notch penetrates both ends and side surfaces of the movable valve plate 7 . In addition, the first water outlet hole 71 of the movable valve plate 7 can also be a complete hole structure.

As a preference, a positioning sleeve 2 is fixedly set on the control end of the thermostatic valve core 3, and a positioning boss 21 is arranged on the outer end surface of the positioning sleeve 2, which is used for the rotation of the control end installed on the thermostatic valve core 3. The gaps provided on the handwheel (i.e. the first rotating handwheel 31 described below) are correspondingly matched. Here, the design of the positioning sleeve 2 can facilitate the installation and positioning direction of the thermostatic water diversion valve core on the one hand, avoiding the function failure due to the reverse installation at both ends during assembly, and on the other hand, it is convenient for the quick operation of the first rotating handwheel 31 described below after disassembly and cleaning. Installation: when the first rotating hand wheel 31 is installed, it is only necessary to align the gap of the first rotation with the positioning boss 21 of the positioning sleeve 2 and then directly install it.

A constant temperature water diversion valve core of the present utility model, in order to make the sealing effect better, a ceramic seal 91 is also sealed between the fixed valve plate 8 and the water diversion seat 9, so that each second water outlet of the fixed valve plate 8 The holes 81 are in sealing communication with the water outlet channels 93 of the water distribution seat 9 one by one. In addition, a spool sealing piece 92 is installed on the water distribution seat 9, so that the water outlet channels 93 of the water distribution seat 9 are in sealing communication with the mixed water outlets 103, 104 of the main body of the shower faucet described below; The other end is partly inserted into the water distribution seat 9 , and the other end of the valve core housing 4 is covered with an O-ring 44 , which is sealed and bonded to the inner wall of the water distribution seat 9 .

A constant temperature water diversion valve core of the utility model, when working, cold water and hot water enter into the constant temperature valve core 3 through the cold water inlet 42 and the hot water inlet 41 of the valve core shell 4 respectively, and pass through the constant temperature valve core 3 After being mixed inside, it flows to the mixed water outlet 43 of the valve core housing 4 . At this time, if the positioning slider 65 rotates with the positioning seat 6 to the 90° or 270° position of the water diversion valve rod 5 (as shown in Figure 6), the first water outlet hole 71 of the movable valve plate 7 and the fixed valve plate The second water outlet holes 81 of 8 are far away from each other, so that the thermostatic water diversion valve core is in the state of closing the water outlet. When the water needs to be discharged, it is only necessary to rotate the water diversion valve stem 5 in the clockwise or counterclockwise direction, so that it drives the moving valve plate 7 to rotate relative to the fixed valve plate 8, and when the first water outlet hole 71 of the moving valve plate 7 is connected with the fixed valve plate at the same time When the two second water outlet holes 81 of the valve plate 8 were connected, the two water outlet passages 93 of the water distribution seat 9 were discharged respectively, as shown in Figure 4 (curves with arrows in Figure 3 and Figure 4 represent the flow direction respectively). Now, the positioning slider 65 rotates with the positioning seat 6 to the 180° or 360° position of the water diversion valve rod 5, and automatically makes a sound and snaps into the corresponding concave hole 45 (in Fig. 5, two hatchings represent respectively The flow size of the two second water outlet holes 81 of the two fixed valve plates 8 when the water distribution seat 9 is out of water). During the rotation process of the water diversion valve rod 5, the flow of the two second water outlet holes 81 of the fixed valve plate 8 gradually increases from small to large, so the utility model can also adjust the water outlet flow of the two water outlet channels 93 of the water diverter seat 9.

In a constant temperature water diversion valve core of the present utility model, the number of the water outlet channels 93/second water outlet holes 81 is not limited to the above-mentioned embodiment, and may be more than two. Therefore, the constant temperature water diversion valve core of the present utility model At least two ways of water diversion can be realized. The number of the first water outlet holes 71 of its movable valve plate 7 also can be identical with the number of the second water outlet holes 81 of the fixed valve plate 8, at this moment, only need to make the two first water outlet holes 71 of the movable valve plate 7 simultaneously The two second water outlet holes 81 of the fixed valve plate 8 are correspondingly connected or separated from each other, so as to realize the purposes of dividing water, regulating flow, and switching water.

Please refer to Fig. 7 and Fig. 8, a constant temperature shower faucet of the present invention includes a shower faucet main body 10, the shower faucet main body 10 is provided with a hot water inlet 101, a cold water inlet 102 and two mixing outlets Nozzles 103, 104. In addition, it also includes the thermostatic water diversion valve core described in the above embodiment, the thermostatic water diversion valve core is mounted in the main body 10 of the shower faucet, and the hot water inlet 41 of the valve body (that is, the valve core housing 4) , the cold water inlet 42 respectively correspond to and communicate with the hot water inlet 101 and the cold water inlet 102 of the shower faucet main body 10; The mixing outlets 103, 104 of the faucet main body 10 correspond one-to-one and communicate with each other; the control end of the thermostatic valve core 3 extends out of the main body 10 of the shower faucet, and is connected with a first rotating handwheel 31, and the shower faucet The main body 10 is also equipped with a second rotating hand wheel 53 , which is coaxially linked with the water diversion valve rod 5 . Specifically, the first rotating handwheel 31 is located on the right side of the shower faucet main body 10, the second rotating handwheel 53 is located on the left side of the shower faucet main body 10, and the two mixed water outlets 103 and 104 are respectively located on the upper side and the lower side of the shower faucet main body 10. Side: the hot water inlet 101 and the cold water inlet 102 of the main body 10 of the shower faucet are respectively equipped with check valves 105 .

As a preference, the constant temperature shower faucet of the present invention also includes a transmission rod 52, one end of which extends out of the main body 10 of the shower faucet, and is connected with the second rotating hand wheel 53, the transmission rod 52 The other end of the rod 52 protrudes into the main body of the shower faucet 10 and is coaxially fixed with the other end of the water diversion valve rod 5 .

In the constant temperature shower faucet of the present utility model, when the water temperature needs to be adjusted, only the first rotating handwheel 31 needs to be turned, and when the water needs to be turned on and off to adjust the flow rate, only the second rotating handwheel needs to be turned.

A constant temperature shower faucet of the present utility model, the shower faucet main body 10 can follow the structure of the ordinary shower faucet body in the prior art without anti-scald function, or can be designed as a structure with anti-scald function, for example, make all The hot water inlet 101 is directly connected to the hot water inlet 41 of the valve body, and a water passage cavity 106 is provided in the main body 10 of the shower faucet, so that the cold water inlet 102 passes through the passage. The water cavity 106 communicates with the cold water inlet 42 of the valve body. In this way, the water passing cavity 106 of the main body of the shower faucet passes through the cold water, and the hot water and the mixed water flow surrounded by the cold water, and the cold water will take away the heat, so as to avoid the temperature rise of the main body of the shower faucet 10 and prevent the user from being scalded.

A thermostatic shower faucet of the present utility model integrates two structures of temperature regulation and water diversion, which not only greatly reduces the volume of the main body 10 of the shower faucet, but also prevents the interior of the main body 10 of the shower faucet from setting a waterway partition wall, and the structure is more compact. Simple. Therefore, the production cost of the thermostatic shower faucet can be greatly reduced.

The above embodiments are only used to further illustrate a thermostatic water diversion valve core and a thermostatic shower faucet of the present utility model, but the present utility model is not limited to the examples, and any modification made to the above examples based on the technical essence of the present utility model Simple modifications, equivalent changes and modifications all fall within the scope of protection of the technical solution of the utility model.

Claims (10)

1. A thermostatic water diversion valve core, comprising a thermostatic valve core, characterized in that: it also includes a valve body, a movable valve plate provided with at least one first water outlet hole, a fixed valve plate provided with at least two second water outlet holes and The water diversion valve stem, the side of the valve body is provided with hot water inlet and cold water inlet corresponding to the thermostatic valve core, and at least two water outlet channels are provided at one end; the thermostatic valve core is installed in the valve body, and the thermostatic valve The control end of the core extends out of one end of the valve body; the movable valve plate and the fixed valve plate are respectively installed in the valve body, and are sealed and fitted together, and the first water outlet hole of the movable valve plate is connected to the mixing water path of the thermostatic valve core. connected, the second water outlet holes of the fixed valve plate are connected with the water outlet channels of the valve body one by one; The valve plate is coaxially fixed with the water diversion valve rod, so that the first water outlet holes are connected with or separated from each second water outlet holes of the fixed valve plate with the rotation of the water diversion valve rod. 2. The thermostatic water diversion valve core according to claim 1, characterized in that: the valve body is divided into a valve core housing with the hot water inlet and the cold water inlet on the side and the at least two water outlets. The water distribution seat of the channel, the thermostatic valve core is attached to the valve core shell, and its control end extends out of one end of the valve core shell, and the other end of the valve core shell is the mixing water circuit connected to the thermostatic valve core. The water outlet end; the water distribution seat is connected to the other end of the valve core shell, the movable valve plate and the fixed valve plate are respectively mounted in the water distribution seat, and the first water hole of the movable valve plate is connected to the valve core shell The mixed water outlets of the fixed valve plate are connected to each other, and the second water outlet holes of the fixed valve plate are respectively connected to the water outlet channels of the water distribution seat in one-to-one correspondence, and one end of the water distribution valve rod is placed in the water distribution seat. 3. The thermostatic water diversion valve core according to claim 2, characterized in that: it also includes a positioning seat, a positioning slider and a spring, the positioning seat is provided with a water hole and a mounting hole, and the positioning seat is attached to the In the water distribution seat, and coaxially connected with the water distribution valve rod, the first water outlet hole of the movable valve plate is connected with the mixed water outlet end of the valve body through the water passage hole of the water distribution seat ; The other end of the spool shell is arranged with a number of concave holes along the circumferential direction for indicating that the water diversion valve stem rotates to a preset angle, and the positioning slider is attached to the installation hole of the water diversion seat, and one end of it passes through the The spring pushes against the valve core housing, and snaps into the corresponding concave hole when the water diversion valve stem rotates to a preset angle. 4. The thermostatic water diversion valve core according to claim 3, characterized in that: the end of one end of the water diversion valve stem is provided with at least two extensions along the radial direction, and the at least two extensions are respectively clamped on the In the positioning seat, the positioning seat is coaxially connected with the water diversion valve stem; The water diversion valve rod is coaxially linked. 5. The thermostatic water diversion valve core according to claim 3, characterized in that: the axis of the installation hole is parallel to the axis of the water diversion valve stem, and the concave hole is set at the other end of the valve core housing on the end face. 6. The thermostatic water diversion valve core according to claim 1, characterized in that: the first water outlet hole of the movable valve plate is one, and the first water outlet hole is formed by a gap provided on the movable valve plate, the The notch runs through both ends and side surfaces of the movable valve plate. 7. The thermostatic water diversion valve core according to claim 1, characterized in that: a positioning sleeve is fixedly fitted on the control end of the thermostatic valve core, and a positioning boss is provided on the outer end surface of the positioning sleeve, which is used for The clearance gap provided on the rotary handwheel at the control end of the thermostatic valve core is correspondingly matched. 8. A constant temperature shower faucet, comprising a shower faucet body, the shower faucet body is provided with a hot water inlet end, a cold water inlet end and at least two mixed water outlets; The thermostatic water diversion valve core described in one item, the thermostatic water diversion valve core is installed in the main body of the shower faucet, and the hot water inlet and the cold water inlet of the valve body are respectively connected to the hot water inlet end of the shower faucet body. 1. The cold water inlet ends are in one-to-one correspondence and communicated with each other, and the water outlet channels of the valve body are respectively in one-to-one correspondence with the mixing outlets of the shower faucet body; the control end of the thermostatic valve core extends out of the shower faucet body Outside, a first rotating handwheel is attached to the outside of the main body of the shower faucet, and a second rotating handwheel is attached to the outside of the main body of the shower faucet, which is coaxially linked with the water diversion valve stem. 9. A constant temperature shower faucet according to claim 8, characterized in that it further comprises a transmission rod, one end of which extends out of the main body of the shower faucet and is connected with the second rotating handwheel , the other end of the transmission rod extends into the main body of the shower faucet and is fixed coaxially with the other end of the water diversion valve rod. 10. A constant temperature shower faucet according to claim 9, characterized in that: the hot water inlet end and the cold water inlet end of the main body of the shower faucet are respectively equipped with one-way valves; the hot water inlet The end of the shower head is directly connected with the hot water inlet of the valve body. There is a water passage cavity in the main body of the shower faucet, and the cold water inlet end is connected with the cold water inlet of the valve body through the water passage cavity. connected.