CN218208087U

CN218208087U - Constant temperature faucet

Info

Publication number: CN218208087U
Application number: CN202222743665.4U
Authority: CN
Inventors: 张华忠
Original assignee: Taizhou Qiheng Sanitary Ware Co ltd
Current assignee: Taizhou Qiheng Sanitary Ware Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-01-03
Anticipated expiration: 2032-10-18

Abstract

The utility model provides a constant temperature faucet belongs to tap technical field. The thermostatic valve core solves the problems that the thermostatic valve core in the prior art is high in manufacturing and complex in assembling. This constant temperature faucet, including the tap main part that has muddy water chamber and cold water runner, the mounting hole that communicates with muddy water chamber and cold water runner respectively is seted up to the tip of tap main part, is provided with the thermostatic control case in the mounting hole, and the thermostatic control case includes case main part and case, the case main part is connected with mounting hole outer end open-ended inner wall, the case slides and sets up in the mounting hole, and the outer wall of case and the sealed cooperation of inner wall of mounting hole, and passes through the case is close to or keeps away from the case main part in order to end or adjust the discharge that gets into muddy water chamber by cold water runner. The utility model has the advantages of make the equipment of constant temperature water tap case more convenient to reduce manufacturing cost.

Description

Constant temperature faucet

Technical Field

The utility model belongs to the technical field of tap, a constant temperature faucet is related to.

Background

The constant temperature faucet can automatically mix cold water and hot water into warm water with preset temperature, so the constant temperature faucet can automatically adjust the water temperature, ensure that water flowing out from the faucet has certain temperature, particularly in cold autumn and winter and early spring, people like to open the faucet to enjoy the warm water.

For example, the dual-control thermostatic valve core (application number: 201710333719.0) disclosed in the chinese patent document includes an outer valve body and an inner valve body, the outer valve body is integrally formed, a seat body is further sleeved outside the outer valve body, and the seat body is further connected with a base for encapsulation, although the dual-control thermostatic valve core can realize automatic water temperature adjustment, the following disadvantages exist: the shell of the double-control thermostatic valve core comprises an outer valve body, a seat body and a base used for packaging, so that the double-control thermostatic valve core is high in manufacturing and complex to assemble.

Disclosure of Invention

The utility model aims at solving the problems in the prior art and providing a constant temperature faucet. The utility model provides a technical problem make the equipment of constant temperature water tap case more convenient to reduce manufacturing cost.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a thermostatic faucet, is including the tap main part that has muddy water chamber and cold water runner, the mounting hole that communicates with muddy water chamber and cold water runner respectively is seted up to the tip of tap main part, is provided with the thermostatic control case in the mounting hole, and the thermostatic control case includes case main part and case, its characterized in that, the case main part is connected with mounting hole outer end open-ended inner wall, the case slides and sets up in the mounting hole, and the outer wall of case and the inner wall of mounting hole seal cooperation, and pass through the case is close to or keeps away from the case main part in order to end or adjust the discharge that gets into muddy water chamber by cold water runner.

This thermostatic faucet is through offering the mounting hole that is used for setting up the thermostatic control case at the tip of tap main part, during the equipment, only need put into this mounting hole with the thermostatic control case and make case main part be connected with mounting hole outer end open-ended inner wall can, after the installation, the outer wall of case and the inner wall of mounting hole are sealed to be cooperated, during the use, the case of thermostatic control case can slide and be close to or keep away from the case main part along the inner wall of mounting hole, with the discharge that ends or adjusts and get into the muddy water chamber by the cold water runner, thereby make the inner wall of mounting hole can play the effect of case casing, thereby make this thermostatic control case of thermostatic faucet save the case casing, and then make the equipment of thermostatic faucet case more convenient, and reduce manufacturing cost.

In foretell constant temperature faucet, wear to establish on the case and be connected with the temperature-sensing element that is used for the rivers temperature of perception muddy water intracavity and can take place deformation according to this temperature, the one end cover of temperature-sensing element is equipped with elastic component one and presses elastic component one to support on the mounting hole inner wall of end opening, is provided with elastic component two between the other end of temperature-sensing element and the case main part.

The thermostatic regulating valve core of the thermostatic faucet senses the temperature of water flow in a water mixing cavity through the thermosensitive temperature sensing element and can deform according to the temperature, when the temperature of the water in the water mixing cavity exceeds the set temperature of the thermostatic regulating valve core, the thermosensitive temperature sensing element expands and compresses the first elastic part (at the moment, the second elastic part is in a stretching state), so that the valve core can slide along the inner wall of the mounting hole and is far away from a valve core main body, and the water flow entering the water mixing cavity from a cold water flow channel through the thermostatic regulating valve core is increased, so that the temperature of the water flow in the water mixing cavity is reduced; when the temperature of water in the water mixing cavity is lower than the set temperature of the thermostatic control valve core, the thermosensitive temperature sensing element shrinks and drives the valve core to be close to the valve core main body under the restoring force action of the elastic element I (at the moment, the elastic element II is in a compressed state), so that the water flow entering the water mixing cavity from the cold water flow channel through the thermostatic control valve core is reduced, the water flow temperature in the water mixing cavity is improved, further, when the valve core and the valve core main body are abutted, the thermostatic control valve core stops the water flow entering the water mixing cavity from the cold water flow channel, and the automatic adjustment of the water temperature in the water mixing cavity is realized through the thermostatic control valve core.

In the above constant temperature faucet, the end of the valve core main body is axially provided with a movable groove, the thermosensitive temperature sensing element comprises a thermosensitive temperature sensing head and a temperature adjusting ejector rod, the thermosensitive temperature sensing head is in a strip shape and is sleeved with the elastic element I, the temperature adjusting ejector rod expands when overheated and contracts when overcooled, one end of the temperature adjusting ejector rod is fixedly connected with the thermosensitive temperature sensing head, the other end of the temperature adjusting ejector rod is inserted in the movable groove, and the elasticity II is arranged between the temperature adjusting ejector rod and the bottom of the movable groove.

When the temperature of water flow in the water mixing cavity sensed by the thermosensitive temperature sensing head exceeds a temperature set value of the constant-temperature adjusting valve core, the temperature adjusting ejector rod is overheated and expands, and the temperature adjusting ejector rod is driven to compress the thermosensitive temperature sensing head after expansion and drive the valve core to be far away from the valve core main body (at the moment, the elastic element II is in a stretching state), so that a water passing channel between the valve core and the valve core main body is enlarged, and more cold water enters the water mixing cavity from the cold water flow channel to reduce the temperature of the water flow in the water mixing cavity; when the temperature of water flow in the water mixing cavity sensed by the temperature-sensitive temperature sensing head is lower than the temperature set value of the constant-temperature adjusting valve element, the temperature-adjusting ejector rod is supercooled and contracted, the valve element is driven by the temperature-sensitive temperature sensing head to be close to the valve element main body under the action of restoring force of the elastic element I (at the moment, the elastic element II is in a compression state), a water passing channel between the valve element and the valve element main body is reduced, cold water flow entering the water mixing cavity through a cold water flow channel is reduced, the temperature of water flow in the water mixing cavity is improved, the temperature-adjusting ejector rod is located in a movable groove formed in the axial direction of the valve element main body, the structure enables the temperature-sensitive temperature sensing element to move more accurately along the axial direction of the water faucet main body, and the valve element moves more accurately relative to the valve element main body.

In the thermostatic faucet, a shoulder part for abutting against an elastic part is formed between the inner wall of the opening at the inner end of the mounting hole and the inner wall of the water mixing cavity, a water passing channel is formed between the valve core and the valve core main body, the inlet of the water passing channel is opposite to the water inlet end of the cold water flow channel, and when the valve core abuts against the valve core main body, the inlet of the water passing channel is closed. The valve core is driven by the thermosensitive temperature sensing element to move relative to the valve core main body along the inner wall of the mounting hole to realize the opening and closing of the water passing channel and the size of the opening, and the inlet of the water passing channel is opposite to the water inlet end of the cold water flow channel and the shoulder part is arranged, so that the cold water flow entering the water mixing cavity from the cold water flow channel through the water passing channel can be better regulated.

In foretell thermostatic faucet, still be provided with the play water runner that is linked together with mixing the water chamber in the tap main part, the tap main part includes core and the cladding at the outside casing of core, cold water runner, hot water runner, mixing the water chamber and go out the water runner and all be located the core, the core is the body structure that the nylon materials made, the casing is made by stainless steel material. The casing of stainless steel material can carry out better protection to the core, and the core of tap main part is the integrative structure that nylon materials made, not only can the weight of this constant temperature tap that significantly reduces make the integrative injection moulding of core ability moreover, simplifies production technology to practice thrift the cost.

In foretell constant temperature faucet, the case main part is spiro union mutually with the inner wall of mounting hole outer end opening, be provided with the temperature on the core and set for the handle that is used for adjusting the thermostatic control case and sets for the temperature value, the cover is equipped with the handle cover on the temperature sets for the handle. The structure enables the adjustment of the set temperature value of the thermostatic control valve core to be more convenient.

In the thermostatic faucet, a ceramic valve core used for adjusting the water outlet flow of the water outlet flow channel is arranged between the water mixing cavity and the water outlet flow channel, and an adjusting handle used for adjusting the water passing amount of the ceramic valve core is arranged on the faucet main body. The structure is convenient for adjusting the water yield of the constant temperature faucet.

In the thermostatic faucet, the water inlet ends of the cold water flow channel and the hot water flow channel are both located on the rear side wall of the faucet body, and the water outlet ends of the water outlet flow channel are two and are respectively located on the upper side wall and the lower side wall of the faucet body. The structure of the constant temperature faucet is more reasonable, and the constant temperature faucet is convenient to install and use.

Compared with the prior art, the constant temperature faucet has the advantages that: this thermostatic faucet's thermostatic control case has saved case casing, and then makes the equipment of thermostatic faucet case more convenient to reduce manufacturing cost. In addition, the core of tap main part is the integrative structure that nylon materials made, not only can the weight of this constant temperature faucet of significantly reducing, makes the integrative injection moulding of core ability moreover, simplifies production technology to practice thrift the cost.

Drawings

Fig. 1 is a schematic perspective view of the thermostatic faucet.

Fig. 2 is an exploded view of the present thermostatic faucet.

Fig. 3 is a sectional view of the thermostatic faucet.

Fig. 4 is a partially enlarged view of a point a in fig. 3.

In the figure, 1, a tap main body; 1a1, a core body; 1a2, a shell; 2. a water mixing cavity; 3. a cold water flow passage; 4. a hot water flow passage; 5. mounting holes; 5a1, a shoulder portion; 6. a thermostatic regulating valve core; 6a1, a valve core main body; 6a11 and a movable groove; 6a2 and a valve core; 6a3, a thermosensitive temperature sensing element; 6a31, a thermosensitive temperature sensing head; 6a32, a temperature adjusting ejector rod; 6a4, a first elastic piece; 6a5 and elasticity II; 7. a water passage; 8. a water outlet flow channel; 9. a temperature setting handle; 10. a handle cover; 11. a ceramic valve core; 12. and adjusting the handle.

Detailed Description

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

A constant-temperature water faucet is disclosed, referring to FIGS. 1-4, and comprising a water faucet main body 1 with a water mixing cavity 2 and a cold water flow channel 3, wherein the end of the water faucet main body 1 is provided with a mounting hole 5 respectively communicated with the water mixing cavity 2 and the cold water flow channel 3, a constant-temperature regulating valve core 6 is arranged in the mounting hole 5, the constant-temperature regulating valve core 6 comprises a valve core main body 6a1 and a valve core 6a2, and the constant-temperature regulating valve core is characterized in that the valve core main body 6a1 is connected with the inner wall of the outer end opening of the mounting hole 5, the valve core 6a2 is slidably arranged in the mounting hole 5, the outer wall of the valve core 6a2 is in sealing fit with the inner wall of the mounting hole 5, and the water flow entering the water mixing cavity 2 from the cold water flow channel 3 is stopped or regulated by the valve core 6a2 being close to or far away from the valve core main body 6a 1. Specifically, a thermosensitive temperature sensing element 6a3 which is used for sensing the temperature of water flow in the water mixing cavity 2 and can deform according to the temperature is connected to the valve core 6a2 in a penetrating manner, one end of the thermosensitive temperature sensing element 6a3 is sleeved with an elastic element 6a4, the elastic element 6a4 is pressed against the inner wall of the opening at the inner end of the mounting hole 5, and an elastic element 6a5 is arranged between the other end of the thermosensitive temperature sensing element 6a3 and the valve core main body 6a 1. The end of the valve core main body 6a1 is provided with a movable groove 6a11 along the axial direction, the thermosensitive temperature sensing element 6a3 comprises a thermosensitive temperature sensing head 6a31 and a temperature-adjusting ejector rod 6a32, the thermosensitive temperature sensing head 6a31 is in a long strip shape and is sleeved with the elastic piece 6a4, the temperature-adjusting ejector rod 6a32 expands when overheated and contracts when overcooled, one end of the temperature-adjusting ejector rod 6a32 is fixedly connected with the thermosensitive temperature sensing head 6a31, the other end of the temperature-adjusting ejector rod is inserted into the movable groove 6a11, and the elastic second 6a5 is arranged between the temperature-adjusting ejector rod 6a32 and the groove bottom of the movable groove 6a 11. In a preferred embodiment, the valve core body 6a1 is in threaded connection with the inner wall of the opening at the outer end of the mounting hole 5, a temperature setting handle 9 for adjusting the set temperature value of the thermostatic valve core 6 is arranged on the core body 1a1, and a handle sleeve 10 is sleeved on the temperature setting handle 9; a ceramic valve core 11 for adjusting the water outlet flow of the water outlet flow channel 8 is arranged between the water mixing cavity 2 and the water outlet flow channel 8, and an adjusting handle 12 for adjusting the water passing amount of the ceramic valve core 11 is arranged on the tap main body 1; the water inlet ends of the cold water flow channel 3 and the hot water flow channel 4 are both located on the rear side wall of the faucet main body 1, and the water outlet ends of the water outlet flow channel 8 are two and are respectively located on the upper side wall and the lower side wall of the faucet main body 1.

When the thermostatic regulating valve element 6 senses the temperature of water flow in the water mixing cavity 2 through the temperature sensing head 6a31 in the temperature sensing element 6a3, when the temperature of the water flow in the water mixing cavity 2 sensed by the temperature sensing head 6a31 of the temperature sensing element 6a3 exceeds a temperature set value of the thermostatic regulating valve element 6, the temperature regulating push rod 6a32 of the temperature sensing element 6a3 is overheated and expands, the temperature regulating push rod 6a32 expands to drive the temperature sensing head 6a31 to compress the first elastic element 6a4 and drive the valve element 6a2 to be away from the valve element main body 6a1 (at the moment, the second elastic element 6a5 is in a stretching state), so that the water passing channel 7 between the valve element 6a2 and the valve element main body 6a1 is enlarged, so that more cold water enters the water mixing cavity 2 from the cold water flow channel 3 to reduce the temperature of the water flow in the water mixing cavity 2, when the temperature of the water flow in the water mixing cavity 2 sensed by the temperature sensing head 6a31 is lower than the temperature set value of the thermostatic regulating valve element 6a2, the temperature regulating valve element 6a2 is reduced by the temperature of the first elastic element 6a4, and the temperature regulating valve element 6a2 is reduced by the temperature of the valve element 6a2, so that the temperature regulating valve element 6a2 is reduced by the temperature regulating valve element 6a and the temperature regulating valve element 6a2, and the temperature of the valve element 6a2, and the temperature regulating valve element 6a2, so that the temperature regulating valve element 2 is reduced by the temperature regulating valve element 2, and the temperature regulating valve element 6a temperature regulating valve element 2, and the temperature of the temperature regulating valve element 6a is reduced by the temperature regulating valve element 6 a.

Referring to fig. 3, further, a water outlet channel 8 communicated with the water mixing cavity 2 is further arranged in the faucet body 1, the faucet body 1 includes a core 1a1 and a shell 1a2 covering the core 1a1, the cold water channel 3, the hot water channel 4, the water mixing cavity 2 and the water outlet channel 8 are all located in the core 1a1, the core 1a1 is an integral structure made of nylon material, and the shell 1a2 is made of stainless steel material.

This thermostatic faucet is through offering the mounting hole 5 that is used for setting up thermostatic control case 6 at the tip of tap main part 1, during the equipment, only need put into this mounting hole 5 with thermostatic control case 6 make case main part 6a1 be connected with the 5 outer end open-ended inner walls of mounting hole can, after the installation, the outer wall of case 6a2 and the sealed cooperation of the inner wall of mounting hole 5, during the use, case 6a2 of thermostatic control case 6 can slide and be close to or keep away from case main part 6a1 along the inner wall of mounting hole 5, with the discharge that ends or adjusts and get into muddy water chamber 2 by cold water runner 3, thereby make the inner wall of mounting hole 5 can play the effect of case casing, thereby make this thermostatic control case 6 of thermostatic faucet save the case casing, and then make the equipment of thermostatic control case 6 of thermostatic faucet more convenient, and reduce manufacturing cost. In addition, core 1a1 of tap main part 1 is the integrative structure that the nylon materials made, not only can significantly reduce this constant temperature faucet's weight, makes core 1a1 injection moulding as an organic whole moreover, simplifies production technology to practice thrift the cost.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a thermostatic faucet, is including having tap main part (1) of muddy water chamber (2) and cold water runner (3), mounting hole (5) with muddy water chamber (2) and cold water runner (3) intercommunication respectively are seted up to the tip of tap main part (1), are provided with thermostatic control case (6) in mounting hole (5), and thermostatic control case (6) are including case main part (6 a 1) and case (6 a 2), its characterized in that, case main part (6 a 1) is connected with mounting hole (5) outer end open-ended inner wall, case (6 a 2) slide to be set up in mounting hole (5), and the outer wall of case (6 a 2) and the inner wall of mounting hole (5) sealed cooperation, and pass through case (6 a 2) are close to or keep away from case main part (6 a 1) with ending or adjust the discharge that gets into muddy water chamber (2) by cold water runner (3).

2. The thermostatic faucet of claim 1, wherein a temperature-sensitive temperature-sensing element (6 a 3) is connected to the valve core (6 a 2) in a penetrating manner, the temperature-sensitive temperature-sensing element being used for sensing the temperature of water flow in the water mixing chamber (2) and being deformable according to the temperature, a first elastic element (6 a 4) is sleeved on one end of the temperature-sensitive temperature-sensing element (6 a 3) and presses the first elastic element (6 a 4) against the inner wall of the opening at the inner end of the mounting hole (5), and a second elastic element (6 a 5) is arranged between the other end of the temperature-sensitive temperature-sensing element (6 a 3) and the valve core main body (6 a 1).

3. The thermostatic faucet of claim 2, wherein the end of the valve core body (6 a 1) is axially provided with a movable groove (6 a 11), the temperature-sensitive element (6 a 3) comprises a temperature-sensitive head (6 a 31) and a temperature-adjusting Wen Dinggan (6 a 32), the temperature-sensitive head (6 a 31) is long and sleeved with the first elastic element (6 a 4), the temperature-adjusting push rod (6 a 32) expands when overheated and contracts when overcooled, one end of the temperature-adjusting push rod (6 a 32) is fixedly connected with the temperature-sensitive head (6 a 31), the other end of the temperature-adjusting push rod is inserted into the movable groove (6 a 11), and the second elastic element (6 a 5) is arranged between the temperature-adjusting push rod (6 a 32) and the bottom of the movable groove (6 a 11).

4. The thermostatic faucet of claim 1, wherein a shoulder portion (5 a 1) for abutting against a first elastic member (6 a 4) is formed between an inner wall of the opening at the inner end of the mounting hole (5) and an inner wall of the water mixing cavity (2), a water passing channel (7) is formed between the valve core (6 a 2) and the valve core main body (6 a 1), an inlet of the water passing channel (7) is arranged opposite to a water inlet end of the cold water flow channel (3), and when the valve core (6 a 2) abuts against the valve core main body (6 a 1), the inlet of the water passing channel (7) is closed.

5. The thermostatic faucet according to claim 1, 2, 3 or 4, wherein a hot water flow passage (4) and a water outlet flow passage (8) which are communicated with the water mixing cavity (2) are further arranged in the faucet body (1), the faucet body (1) comprises a core body (1 a 1) and a shell body (1 a 2) which covers the core body (1 a 1), the cold water flow passage (3), the hot water flow passage (4), the water mixing cavity (2) and the water outlet flow passage (8) are all located in the core body (1 a 1), the core body (1 a 1) is an integrated structure made of nylon materials, and the shell body (1 a 2) is made of stainless steel materials.

6. The thermostatic faucet of claim 5, characterized in that the valve core body (6 a 1) is screwed with the inner wall of the outer end opening of the mounting hole (5), a temperature setting handle (9) for adjusting the set temperature value of the thermostatic valve core (6) is arranged on the core body (1 a 1), and a handle sleeve (10) is sleeved on the temperature setting handle (9).

7. The thermostatic faucet of claim 5, wherein a ceramic valve core (11) for adjusting the water outlet flow of the water outlet flow channel (8) is arranged between the water mixing cavity (2) and the water outlet flow channel (8), and an adjusting handle (12) for adjusting the water passing amount of the ceramic valve core (11) is arranged on the faucet body (1).

8. Thermostatic faucet according to claim 5, characterized in that the inlet ends of the cold water flow channel (3) and the hot water flow channel (4) are located on the rear side wall of the faucet body (1), and the outlet ends of the outlet flow channels (8) are two and located on the upper side wall and the lower side wall of the faucet body (1), respectively.