CN214889068U - Key type thermostatic valve - Google Patents

Abstract

A key-type thermostatic valve comprises a pre-buried box with a front opening, a face cover, a thermostatic control part and a water outlet control part, wherein the thermostatic control part comprises a valve main body, a thermostatic valve core, a switch valve core and a water stop check device; the water-stopping check device is also included; one water stopping non-return device is arranged in the cold water stopping non-return cavity, the other water stopping non-return device is arranged in the hot water stopping non-return cavity, and the water outlet connector pipe and the water inlet connector pipe are connected together by a movable joint nut; the fabrication hole is sealed by a plug. The switch valve and the water stop check device are arranged, so that the switch or the water stop check device can be closed when the control unit needs to be maintained; when the valve core is maintained or replaced, the water stopping non-return device is operated; the water stop check device can prevent cold water or hot water from flowing back.

Description

Key type thermostatic valve

Technical Field

The utility model relates to a shower valve.

Background

At present, in the prior art, a key-type thermostatic valve comprises a pre-buried box with a front opening, a face cover, a thermostatic control part and a water outlet control part, wherein the thermostatic control part is communicated with the water outlet control part. There are problems in that: when the water outlet control part and/or the constant temperature control part is maintained, a water supply pipeline needs to be closed, and the maintenance is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the key type thermostatic valve has the characteristic of convenient maintenance.

The utility model discloses a realize like this: a push-button thermostatic valve comprises a pre-buried box with a front opening, a face cover, a thermostatic control part and a water outlet control part, wherein the thermostatic control part is communicated with the water outlet control part; it is characterized in that: a cold water interface hole and a hot water interface hole are arranged on a bottom plate of the embedded box, and three water outlet interface holes are arranged on a top plate;

the upper part of the surface cover is provided with a key hole, and the lower part of the surface cover is provided with a switch valve rod hole and a thermostatic valve rod hole;

the thermostatic control part comprises a valve main body, a thermostatic valve core, a switch valve core and a water stop check device, wherein the valve main body is provided with a thermostatic valve core cavity, a cold water inlet pipe, a cold water stop check cavity, a hot water inlet pipe, a hot water stop check cavity, a switch valve core cavity and a water outlet connector pipe communicated with the switch valve core cavity; the cold water inlet pipe, the cold water stop check cavity and the constant temperature valve core cavity are communicated, the hot water inlet pipe, the hot water stop check cavity and the constant temperature valve core cavity are communicated, and the constant temperature valve core cavity is communicated with the switch valve core cavity; the open ends of the cold water inlet pipe and the hot water inlet pipe face the ground; the water outlet interface pipe faces upwards;

the water outlet control part comprises three valve core cavities which are arranged in series from left to right, a water outlet connector pipe and a spring pressing valve core which are arranged on the valve core cavities, a water inlet connector pipe and a process hole are arranged on the valve core cavity on the left side, and the water inlet connector pipe faces downwards;

the water-stopping check device is also included; one water stopping non-return device is arranged in the cold water stopping non-return cavity, the other water stopping non-return device is arranged in the hot water stopping non-return cavity, and the water outlet connector pipe and the water inlet connector pipe are connected together by a movable joint nut; the fabrication hole is sealed by a plug.

The key-type thermostatic valve is characterized in that: the support rod is connected with the thermostatic valve cavity and the valve core cavity on the right side of the water outlet control part.

The key-type thermostatic valve is characterized in that: the water-stopping check device comprises a main body, a valve cover, a water-sealing piece and a check valve component,

the main body comprises a one-way valve cavity, a water outlet hole arranged on the circumferential wall of the water outlet cavity and a water sealing hole arranged on the clapboard,

the check valve assembly comprises a check valve body, a check valve core and a pressure spring, the check valve body comprises a check valve seat and a water guide frame which are arranged at one end, a valve rod of the check valve core penetrates through the pressure spring to be in sliding fit with a guide hole of the water guide frame, the pressure spring is matched with the check valve core and the water guide frame, and the check valve core is matched with the check valve seat;

the check valve component is arranged in the check valve cavity, the valve cover is screwed with the water outlet cavity, the water sealing piece is matched with the internal thread channel of the valve cover, and the water sealing piece is matched with the water sealing hole.

The utility model relates to a key-type thermostatic valve, because of adopting the structure, the arrangement of the switch valve and the water-stopping non-return device can close the switch or the water-stopping non-return device when the control unit needs to be maintained; when the valve core is maintained or replaced, the water stopping non-return device is operated; the water stop check device can prevent cold water or hot water from flowing back.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a view a-a of fig. 2.

Fig. 4 is a view B-B of fig. 2.

Fig. 5 is a view C-C of fig. 2.

Fig. 6 is a sectional view of the water stop check device of the present invention.

Fig. 7 is an exploded perspective view of the water stop check device of the present invention.

Fig. 8 is a partial perspective view of the present invention.

Fig. 9 is a partial exploded perspective view of the present invention.

Fig. 10 is a partially exploded perspective view of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1, the push-button thermostatic valve comprises a pre-buried box 1 with a front opening, a surface cover (not shown in the figure), a thermostatic control part 2 and a water outlet control part 3, wherein the thermostatic control part 2 is communicated with the water outlet control part 3; the water outlet control part 3 and the constant temperature control part 2 are arranged up and down;

a cold water interface hole 11 and a hot water interface hole are arranged on a bottom plate of the embedded box 1, and three water outlet interface holes 12 are arranged on a top plate;

the upper part of the surface cover is provided with a key hole, and the lower part of the surface cover is provided with a switch valve rod hole and a thermostatic valve rod hole;

the thermostatic control part 2 comprises a valve main body 4, a thermostatic valve core 5, a switch valve core 6 and a water stop check device 7, wherein the valve main body 4 is provided with a thermostatic valve core cavity 41, a cold water inlet pipe 42, a cold water stop check cavity 43, a hot water inlet pipe 44, a hot water stop check cavity 45, a switch valve core cavity 46 and a water outlet connector pipe 47 communicated with the switch valve core cavity; the cold water inlet pipe 42, the cold water stop check cavity 43 and the constant temperature valve core cavity 41 are communicated, the hot water inlet pipe 44, the hot water stop check cavity 45 and the constant temperature valve core cavity 41 are communicated, and the constant temperature valve core cavity 41 is communicated with the switch valve core cavity 46 through a water guide channel 48; the open ends of the cold water inlet pipe 42 and the hot water inlet pipe 44 face the ground; the water outlet interface tube 47 faces upwards;

the water outlet control part 3 comprises three valve core cavities 8 which are arranged in series from left to right, a water outlet connector pipe 9 and a spring valve core 10 which are arranged on the valve core cavities, wherein a water inlet connector pipe 81 and a process hole 82 are arranged on the valve core cavity 8 on the left side, and the water inlet connector pipe 81 faces downwards;

the water-stopping check device 7 is also included; one water stopping non-return device 7 is arranged in the cold water stopping non-return cavity 43, the other water stopping non-return device 7 is arranged in the hot water stopping non-return cavity 45, and the water outlet connector pipe 47 and the water inlet connector pipe 81 are connected together by an articulated nut; the fabrication hole 82 is closed with a plug.

The water outlet control device also comprises a support rod 13, wherein the support rod 13 is connected with the thermostatic valve cavity 41 and the valve core cavity 8 on the right side of the water outlet control part 3;

a lower connecting seat 411 is arranged on the constant-temperature valve core cavity 41 between the cold water stop check cavity 43 and the hot water stop check cavity 45; an upper connecting seat 83 is arranged on the valve core cavity 8 on the right side of the water outlet control part 3; the support bar 13 is connected with the lower connection holder 411 and the upper connection holder 83.

As shown in fig. 6 and 7, the water stop and check device 7 comprises a main body 71, a valve cover 72, a water sealing member 73 and a check valve assembly,

the main body 71 comprises a one-way valve cavity 711, a water outlet cavity 712, a water outlet hole 713 arranged on the circumferential wall of the water outlet cavity and a water sealing hole 714 arranged on the clapboard,

the check valve assembly comprises a check valve body 74, a check valve core 75 and a pressure spring 76, the check valve body 74 comprises a check valve seat 741 and a water guide frame 742 which are arranged at one end, a valve rod of the check valve core 75 penetrates through the pressure spring 76 to be in sliding fit with a guide hole of the water guide frame 742, the pressure spring 76 is matched with the check valve core 75 and the water guide frame 742, and the check valve core 75 is matched with the check valve seat 741;

the one-way valve assembly is arranged in the one-way valve cavity 711, the valve cover 72 is screwed with the water outlet cavity 712, the water sealing piece 73 is matched with the internal thread passage of the valve cover 72, and the water sealing piece 73 is matched with the water sealing hole 714.

When the water-saving valve is used, referring to fig. 5 and 6, when water enters the cold water inlet pipe 42, the check valve 75 moves leftwards under the action of water pressure, and the check valve 75 leaves the check valve seat 741; the water enters the water outlet cavity 712 through the one-way valve 74, and then enters the cold water stop check cavity 43 through the water outlet hole 713 until entering the constant temperature valve core cavity 41; when no water enters the cold water inlet pipe 42, the one-way valve core 75 automatically resets to prevent water from returning;

when the thermostatic valve core needs to be maintained or replaced, the water sealing piece 73 is rotated by a screwdriver, the water sealing piece 73 moves rightwards, and the water sealing piece 73 is directly encircled to seal the water sealing hole 714; and water stopping is realized. The operation is convenient.

What has been described above is only a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and variations can be made without departing from the principle of the invention, which is also considered as the protection scope of the invention.

Claims (3)

1. A push-button thermostatic valve comprises a pre-buried box with a front opening, a face cover, a thermostatic control part and a water outlet control part, wherein the thermostatic control part is communicated with the water outlet control part; the method is characterized in that: a cold water interface hole and a hot water interface hole are arranged on a bottom plate of the embedded box, and three water outlet interface holes are arranged on a top plate;

the upper part of the surface cover is provided with a key hole, and the lower part of the surface cover is provided with a switch valve rod hole and a thermostatic valve rod hole;

the thermostatic control part comprises a valve main body, a thermostatic valve core, a switch valve core and a water stop check device, wherein the valve main body is provided with a thermostatic valve core cavity, a cold water inlet pipe, a cold water stop check cavity, a hot water inlet pipe, a hot water stop check cavity, a switch valve core cavity and a water outlet connector pipe communicated with the switch valve core cavity; the cold water inlet pipe, the cold water stop check cavity and the constant temperature valve core cavity are communicated, the hot water inlet pipe, the hot water stop check cavity and the constant temperature valve core cavity are communicated, and the constant temperature valve core cavity is communicated with the switch valve core cavity; the open ends of the cold water inlet pipe and the hot water inlet pipe face the ground; the water outlet interface pipe faces upwards;

the water outlet control part comprises three valve core cavities which are arranged in series from left to right, a water outlet connector pipe and a spring pressing valve core which are arranged on the valve core cavities, a water inlet connector pipe and a process hole are arranged on the valve core cavity on the left side, and the water inlet connector pipe faces downwards;

the water-stopping check device is also included;

one water stopping non-return device is arranged in the cold water stopping non-return cavity, the other water stopping non-return device is arranged in the hot water stopping non-return cavity, and the water outlet connector pipe and the water inlet connector pipe are connected together by a movable joint nut; the fabrication hole is sealed by a plug.

2. A push-button thermostatic valve according to claim 1, characterized in that: the support rod is connected with the thermostatic valve cavity and the valve core cavity on the right side of the water outlet control part.

3. A push-button thermostatic valve according to claim 1, characterized in that: the water-stopping check device comprises a main body, a valve cover, a water-sealing piece and a check valve component,

the main body comprises a one-way valve cavity, a water outlet hole arranged on the circumferential wall of the water outlet cavity and a water sealing hole arranged on the clapboard,

the check valve assembly comprises a check valve body, a check valve core and a pressure spring, the check valve body comprises a check valve seat and a water guide frame which are arranged at one end, a valve rod of the check valve core penetrates through the pressure spring to be in sliding fit with a guide hole of the water guide frame, the pressure spring is matched with the check valve core and the water guide frame, and the check valve core is matched with the check valve seat;

the check valve component is arranged in the check valve cavity, the valve cover is screwed with the water outlet cavity, the water sealing piece is matched with the internal thread channel of the valve cover, and the water sealing piece is matched with the water sealing hole.

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