CN219035638U - Constant temperature valve core - Google Patents
Constant temperature valve core Download PDFInfo
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- CN219035638U CN219035638U CN202223002971.9U CN202223002971U CN219035638U CN 219035638 U CN219035638 U CN 219035638U CN 202223002971 U CN202223002971 U CN 202223002971U CN 219035638 U CN219035638 U CN 219035638U
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Abstract
The utility model provides a constant-temperature valve core, which comprises a valve body and a valve cover, wherein a cold and hot water outlet is formed in the bottom of the valve body, a temperature regulating mechanism is arranged in the valve cover, and an adjusting cavity and a temperature sensing cavity communicated with the cold and hot water outlet are sequentially formed in the surface, facing the valve cover, of the valve body in the direction of the bottom of the valve body; the temperature sensing end is positioned in the temperature sensing cavity, and the spring is used for pushing the temperature sensing end; the temperature bulb is provided with a valve clack which is sealed in an adaptive manner with the inner wall of the adjusting cavity and is provided with a water passing hole; a cold water tank and a hot water tank are arranged on one surface of the valve body facing the valve cover, a cold water port and a hot water port which are respectively communicated with the cold water tank and the hot water tank are arranged at the bottom of the valve body, the cold water tank is communicated with the adjusting cavity at the upper end of the valve clack, and the hot water tank is communicated with the adjusting cavity at the lower end of the valve clack; the valve body and the valve cover are mutually buckled through a buckle, and a second sealing ring is arranged between the valve body and the valve cover. The utility model has the advantages of small axial and radial dimensions, convenient injection molding and demolding and convenient assembly.
Description
Technical Field
The utility model relates to a water heating accessory, in particular to a constant temperature valve core.
Background
The constant-temperature valve core automatically adjusts the proportion of cold water and hot water through a temperature adjusting mechanism and a temperature bulb, the existing constant-temperature valve core is mainly provided with double control, namely, the double control is provided with the capability of controlling water flow on-off besides adjusting constant temperature, so that the inside of the constant-temperature valve core also comprises a ceramic plate and other structures, all parts are pressed together by a rear cover arranged on the bottom surface of a valve body during assembly, the number of injection molding parts is large, the integral structure is complex, the assembly is inconvenient, the size is large, the common diameter reaches 35mm, the installation of a small-size valve core installation position is not facilitated, the performance is excessive for some occasions needing not to control water flow on-off but needing constant temperature adjustment, the cost of compression fittings of a bathroom faucet manufacturer is not facilitated, and meanwhile, the redundant water flow on-off function does not have the actual control capability or conflicts with the water flow on-off function of other control valves (such as a hand spray/spray gun with a self-pressing valve core); the existing constant-temperature valve core capable of independently realizing constant-temperature regulation often has the water outlet positioned at the bottom of the valve core, and the cold water inlet and the hot water inlet are arranged on the outer cylindrical wall of the valve core, so that the installation of the valve core installation position of the water inlet and outlet channel arranged at the bottom of the traditional valve core is not facilitated, the adaptability is poor, and the axial length is long.
Disclosure of Invention
Based on the problems, the utility model aims to provide the constant-temperature valve core with small axial and radial dimensions, convenient injection molding and demolding and convenient assembly.
Aiming at the problems, the following technical scheme is provided: the constant temperature valve core comprises a valve body and a valve cover positioned at the top of the valve body, wherein a cold and hot water outlet is formed in the bottom of the valve body, a temperature regulating mechanism is arranged in the valve cover, and an adjusting cavity and a temperature sensing cavity communicated with the cold and hot water outlet are sequentially formed in the surface, facing the valve cover, of the valve body in the direction of the bottom of the valve body; the temperature sensing end of the temperature bulb is positioned in the temperature sensing cavity, and the temperature bulb is provided with a spring which pushes the temperature bulb towards the direction of the temperature adjusting mechanism so that a push rod of the temperature bulb abuts against the temperature adjusting mechanism; the temperature bulb is provided with a valve clack which axially slides in the adjusting cavity along with the temperature bulb when the push rod stretches out and draws back, the outer wall of the valve clack is provided with a first sealing ring which is matched and sealed with the inner wall of the adjusting cavity, and the valve clack is provided with a water passing hole; the valve is characterized in that one surface of the valve body facing the valve cover is provided with a cold water tank and a hot water tank which are arranged in the direction of the bottom of the valve body and positioned outside the regulating cavity and the temperature sensing cavity, the bottom of the valve body is provided with a cold water port and a hot water port which are respectively communicated with the cold water tank and the hot water tank, the cold water tank is communicated with the regulating cavity at the upper end of the valve clack, and the hot water tank is communicated with the regulating cavity at the lower end of the valve clack; the valve body and the valve cover are mutually buckled through a buckle, and a second sealing ring surrounding the notch of the hot water tank and the notch of the adjusting cavity and the notch of the cold water tank is arranged between the valve body and the valve cover.
In the structure, the cold water port, the hot water port and the cold water outlet are arranged at the bottom of the valve body, and the cold water tank and the hot water tank are directly arranged on one surface of the valve body facing the valve cover, so that an adjusting cavity and a temperature sensing cavity are formed while axial core pulling is facilitated during injection molding production of the valve body; the valve body and the valve cover are fastened mutually through the buckle, and do not occupy axial space, so that the axial length can be shortened more than the axial length by threaded connection of the valve body and the valve cover, more radial space can be vacated to lift the water flow section, the buckling can be directly pressed during assembly, the complex procedure caused by spirally installing the valve cover is avoided, the possibility that the spirally installed valve cover can be simultaneously and simultaneously driven to loosen the valve cover when the temperature adjusting mechanism reaches the limit position is avoided, and the valve is safer and more reliable.
The utility model is further arranged that one surface of the valve cover facing the valve body or one surface of the valve body facing the valve cover is provided with a concave water passing groove, and water in the cold water groove passes through the water groove to reach an adjusting cavity at the upper end of the valve clack; the second sealing ring surrounds the hot water tank notch and the cold water tank notch and the adjusting cavity.
In the structure, in order to ensure that cold water in the cold water tank can smoothly reach the adjusting cavity, a water passing tank is arranged to form a water passing space between the valve cover and the valve body; the second sealing ring is arranged around the hot water tank notch, and simultaneously can directly cover the cold water tank notch and the adjusting cavity opening together or independently cover the cold water tank notch and the adjusting cavity opening; the hot water tank is communicated with the adjusting cavity at the lower end of the valve clack, but the demolding core needs to be axially pulled, so that a notch is reserved on the end face of the valve body facing one end of the valve cover, a second sealing ring is arranged on the hot water tank to avoid water leakage, and the notch of the hot water tank can be plugged by other objects such as plugs to replace the second sealing ring at the notch position of the hot water tank.
The utility model is further arranged that a buckling groove is formed in the outer wall of one side of the valve body facing the valve cover, and a buckling lug matched with the buckling groove is arranged at one end of the valve cover facing the valve body.
The utility model is further arranged that the buckling groove is internally provided with a buckling hook, and the buckling lug is provided with a clamping groove which is matched and buckled with the buckling hook; or the buckling groove is internally provided with a clamping groove, and the buckling lug is provided with a buckling hook which is matched and buckled with the clamping groove.
In the structure, the buckling groove is arranged on the valve body, and the buckling lug is arranged on the valve cover in an adapting mode of the two buckling hooks and the clamping groove.
The utility model is further arranged that one end of the valve body facing the valve cover is provided with a buckling lug, and the outer wall of one side of the valve cover facing the valve body is provided with a buckling groove matched with the buckling lug.
The utility model is further arranged that the buckling groove is internally provided with a buckling hook, and the buckling lug is provided with a clamping groove which is matched and buckled with the buckling hook; or the buckling groove is internally provided with a clamping groove, and the buckling lug is provided with a buckling hook which is matched and buckled with the clamping groove.
In the structure, the buckling groove is arranged on the valve cover, and the buckling lug is arranged on the valve body in an adapting mode of the two buckling hooks and the clamping groove.
The utility model is further provided with a plurality of buckling grooves which are uniformly distributed along the circumferential direction of the valve body or the valve cover, and the number of the buckling lugs is equal to the number of the buckling grooves.
In the above structure, the number of the buckling grooves and the buckling lugs is preferably two which are arranged at intervals of 180 degrees.
The utility model further provides that the valve cover is provided with an end face groove for mounting the second sealing ring on the valve body side or the valve body side facing the valve cover.
In the above structure, the end face groove is preferentially arranged on the valve cover and is used for accommodating the second sealing ring.
The utility model is further arranged that the bottom surface of the valve body is provided with a sealing groove which is arranged around the cold and hot water outlet, the cold water port and the hot water port, and a third sealing ring is arranged in the sealing groove.
In the structure, the third sealing ring is propped against the bottom surface of the valve core mounting position when the constant-temperature valve core is mounted, and independent sealing of cold water, hot water and mixed water is established.
The utility model further provides that the bottom surface of the valve body is also provided with a positioning column.
In the structure, the positioning column is matched with the positioning pit of the valve core installation position and used for determining the circumferential direction of the valve body during installation.
The utility model has the beneficial effects that: the cold water port, the hot water port and the cold water outlet are arranged at the bottom of the valve body, and meanwhile, the cold water tank and the hot water tank are directly arranged on one surface of the valve body facing the valve cover, so that an adjusting cavity and a temperature sensing cavity are formed while axial core pulling is facilitated during injection molding production of the valve body; the valve body and the valve cover are fastened mutually through the buckle, and do not occupy axial space, so that the axial length can be shortened more than the axial length by threaded connection of the valve body and the valve cover, more radial space can be vacated to lift the water flow section, the buckling can be directly pressed during assembly, the complex procedure caused by spirally installing the valve cover is avoided, the possibility that the spirally installed valve cover can be simultaneously and simultaneously driven to loosen the valve cover when the temperature adjusting mechanism reaches the limit position is avoided, and the valve is safer and more reliable.
Drawings
Fig. 1 is a top perspective view of the present utility model.
Fig. 2 is a bottom perspective view of the present utility model.
Fig. 3 is a schematic top view of the present utility model in full section.
Fig. 4 is a schematic view of the present utility model in a bottom view in full section.
Fig. 5 is a schematic top-down exploded view of the present utility model.
Fig. 6 is a schematic view of the bottom explosion structure of the present utility model.
Fig. 7 is a schematic top view of the explosive full section structure of the present utility model.
Fig. 8 is a schematic view of the bottom exploded view of the present utility model.
The meaning of the reference numerals in the figures: 10-a valve body; 101-a buckling groove; 102-buckling hooks; 103-sealing the groove; 104-a third sealing ring; 105-positioning columns; 11-a cold and hot water outlet; 12-a conditioning chamber; 13-a temperature sensing cavity; 14-temperature pack; 141-a temperature sensing end; 142-push rod; 15-a spring; 16-valve clack; 161-a first seal ring; 162-water passing holes; 17-a cold water tank; 171-cold nozzle; 18-a hot water tank; 181-hot water gap; 19-a second sealing ring; 20-a valve cover; 201-buckling lugs; 202-clamping grooves; 21-a temperature regulating mechanism; 22-passing through a water tank; 23-end face grooves.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 8, a thermostatic valve core as shown in fig. 1 to 8 comprises a valve body 10 and a valve cover 20 positioned at the top of the valve body 10, wherein a cold and hot water outlet 11 is arranged at the bottom of the valve body 10, a temperature regulating mechanism 21 is arranged in the valve cover 20, and a regulating cavity 12 and a temperature sensing cavity 13 communicated with the cold and hot water outlet 11 are sequentially arranged on one surface of the valve body 10 facing the valve cover 20 towards the bottom of the valve body 10; the temperature sensing end 141 of the temperature bulb 14 is positioned in the temperature sensing cavity 13, and the temperature bulb 14 is provided with a spring 15 which pushes the temperature bulb 14 towards the temperature adjusting mechanism 21 to enable the push rod 142 of the temperature bulb 14 to prop against the temperature adjusting mechanism 21; the temperature bulb 14 is provided with a valve clack 16 which axially slides in the adjusting cavity 12 along with the temperature bulb 14 when the push rod 142 stretches out and draws back, the outer wall of the valve clack 16 is provided with a first sealing ring 161 which is sealed with the inner wall of the adjusting cavity 12 in an adaptive manner, and the valve clack 16 is provided with a water passing hole 162; a cold water tank 17 and a hot water tank 18 which are arranged towards the bottom direction of the valve body 10 and are positioned outside the regulating cavity 12 and the temperature sensing cavity 13 are arranged on one surface of the valve body 10 facing the valve cover 20, a cold water port 171 and a hot water port 181 which are respectively communicated with the cold water tank 17 and the hot water tank 18 are arranged at the bottom of the valve body 10, the cold water tank 17 is communicated with the regulating cavity 12 at the upper end of the valve clack 16, and the hot water tank 18 is communicated with the regulating cavity 12 at the lower end of the valve clack 16; the valve body 10 and the valve cover 20 are mutually buckled through a buckle, and a second sealing ring 19 surrounding the notch of the hot water tank 18 and the notch of the adjusting cavity 12 and the cold water tank 17 is arranged between the valve body 10 and the valve cover 20.
In the above structure, the cold water tank 17 and the hot water tank 18 are directly arranged on the surface of the valve body 10 facing the valve cover 20 while the cold water port 171, the hot water port 181 and the cold water outlet 11 are arranged at the bottom of the valve body 10, so that the adjusting cavity 12 and the temperature sensing cavity 13 are formed while the axial core pulling is facilitated during the injection molding production of the valve body 10; the valve cover 20 provided with the temperature adjusting mechanism 21 is directly buckled after the temperature bulb 14, the spring 15 and the valve clack 16 are arranged in the valve body 10, the valve body 10 and the valve cover 20 are buckled with each other through the buckle, and the axial space is not occupied, so that the axial length can be shortened compared with the threaded connection of the valve body 10 and the valve cover, more radial space can be vacated to lift the water flow section, the buckling can be directly pressed during assembly, the complicated procedure caused by spirally installing the valve cover 20 is avoided, the possibility that the spirally installed valve cover 20 can be simultaneously driven to loosen the valve cover 20 together when the temperature adjusting mechanism 21 rotates to reach the limit position is avoided, and the valve is more safe and reliable.
In this embodiment, a concave water passing groove 22 is provided on the surface of the valve cover 20 facing the valve body 10 or the surface of the valve body 10 facing the valve cover 20, and water in the cold water groove 17 passes through the water groove 22 to reach the adjusting cavity 12 at the upper end of the valve clack 16; the second sealing ring 19 surrounds the notch of the hot water tank 18 and simultaneously surrounds the notch of the cold water tank 17 and the adjusting cavity 12.
In the above structure, the water passing groove 22 is preferably arranged on the valve cover 20, and in order to ensure that the cold water in the cold water groove 17 can smoothly reach the adjusting cavity 12, the water passing groove 22 is arranged to form a water passing space between the valve cover 20 and the valve body 10; the second sealing ring 19 is arranged around the notch of the hot water tank 18, and simultaneously can directly cover the notch of the cold water tank 17 and the cavity mouth of the adjusting cavity 12 together or independently cover the notch of the cold water tank 17 and the cavity mouth of the adjusting cavity 12; the hot water tank 18 is communicated with the adjusting cavity 12 at the lower end of the valve clack 16, but because the demolding core needs to be axially pulled, a notch is reserved on the end face of the valve body 10 facing one end of the valve cover 20, and a second sealing ring 18 is arranged on the hot water tank 18 to avoid water leakage, and of course, the notch of the hot water tank 18 can be plugged by other objects such as plugs to replace the second sealing ring 19 at the notch position of the hot water tank 18.
In this embodiment, a fastening groove 101 is disposed on an outer wall of one side of the valve body 10 facing the valve cover 20, and a fastening ear 201 adapted to the fastening groove 101 is disposed on one end of the valve cover 20 facing the valve body 10.
In this embodiment, the fastening groove 101 is provided with a fastening hook 102, and the fastening ear 201 is provided with a fastening groove 202 adapted to be fastened with the fastening hook 102; or a clamping groove is arranged in the buckling groove 101, and the buckling lug 201 is provided with a buckling hook which is matched and buckled with the clamping groove.
In the above-described structure, the engagement groove 101 is provided on the valve body 10, and the engagement lugs 201 are adapted to the engagement hooks 102 and the engagement grooves 202 when the engagement lugs 201 are provided on the valve cover 20.
In this embodiment, a fastening lug is disposed at an end of the valve body 10 facing the valve cover 20, and a fastening groove adapted to the fastening lug is disposed on an outer wall of a side of the valve cover 20 facing the valve body 10.
In this embodiment, a fastening hook is disposed in the fastening groove, and the fastening ear is provided with a fastening groove adapted to be fastened with the fastening hook; or the buckling groove is internally provided with a clamping groove, and the buckling lug is provided with a buckling hook which is matched and buckled with the clamping groove.
In the structure, the buckling groove is arranged on the valve cover, and the buckling lug is arranged on the valve body in an adapting mode of the two buckling hooks and the clamping groove.
In this embodiment, a drawing is preferably used, in which the fastening groove 101 is provided on the valve body 10 and the fastening hook 102 is provided in the fastening groove 101, the fastening lug 201 is provided on the valve cover 20, and the fastening groove 202 is provided on the fastening lug 201.
In this embodiment, the number of the fastening grooves 101 is several, and the fastening lugs 201 are equally arranged with the fastening grooves 101, and are uniformly distributed along the circumferential direction of the valve body 10 or the valve cover 20.
In the above structure, the number of the engaging grooves 101 and the engaging lugs 201 is preferably two which are arranged at 180 degree intervals.
In this embodiment, the side of the valve cover 20 facing the valve body 10 or the side of the valve body 10 facing the valve cover 20 is provided with an end surface groove 23 for mounting the second seal ring 19.
In the above structure, the end surface groove 23 is preferably provided on the valve cover 20 for accommodating the second seal ring 19.
In this embodiment, a sealing groove 103 is provided around the cold and hot water outlet 11, the cold water port 171 and the hot water port 181 on the bottom surface of the valve body 10, and a third sealing ring 104 is provided in the sealing groove.
In the above structure, the third sealing ring 104 abuts against the bottom surface of the valve core mounting position when the thermostatic valve core is mounted, and independent sealing of cold water, hot water and mixed water is established.
In this embodiment, the bottom surface of the valve body 10 is further provided with a positioning post 105.
In the above-described structure, the positioning column 105 is adapted to the positioning pit of the spool mounting position for determining the circumferential orientation at the time of mounting the valve body 10.
The utility model has the beneficial effects that: the cold water port 171, the hot water port 181 and the cold water outlet 11 are arranged at the bottom of the valve body 10, and meanwhile, the cold water tank 17 and the hot water tank 18 are directly arranged on one surface of the valve body 10 facing the valve cover 20, so that the valve body 10 can form the adjusting cavity 12 and the temperature sensing cavity 13 while axially pulling cores during injection molding production; the valve cover 20 provided with the temperature adjusting mechanism 21 is directly buckled after the temperature bulb 14, the spring 15 and the valve clack 16 are arranged in the valve body 10, the valve body 10 and the valve cover 20 are buckled with each other through the buckle, and the axial space is not occupied, so that the axial length can be shortened compared with the threaded connection of the valve body 10 and the valve cover, more radial space can be vacated to lift the water flow section, the buckling can be directly pressed during assembly, the complicated procedure caused by spirally installing the valve cover 20 is avoided, the possibility that the spirally installed valve cover 20 can be simultaneously driven to loosen the valve cover 20 together when the temperature adjusting mechanism 21 rotates to reach the limit position is avoided, and the valve is more safe and reliable.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (10)
1. The utility model provides a constant temperature case, includes the valve body and is located the valve gap at valve body top, the valve body bottom is equipped with cold and hot water export, its characterized in that: a temperature adjusting mechanism is arranged in the valve cover, and one surface of the valve body facing the valve cover is sequentially provided with an adjusting cavity and a temperature sensing cavity communicated with the cold and hot water outlet towards the bottom of the valve body; the temperature sensing end of the temperature bulb is positioned in the temperature sensing cavity, and the temperature bulb is provided with a spring which pushes the temperature bulb towards the direction of the temperature adjusting mechanism so that a push rod of the temperature bulb abuts against the temperature adjusting mechanism; the temperature bulb is provided with a valve clack which axially slides in the adjusting cavity along with the temperature bulb when the push rod stretches out and draws back, the outer wall of the valve clack is sealed with the inner wall of the adjusting cavity in an adaptive manner, and the valve clack is provided with a water passing hole; the valve is characterized in that one surface of the valve body facing the valve cover is provided with a cold water tank and a hot water tank which are arranged in the direction of the bottom of the valve body and positioned outside the regulating cavity and the temperature sensing cavity, the bottom of the valve body is provided with a cold water port and a hot water port which are respectively communicated with the cold water tank and the hot water tank, the cold water tank is communicated with the regulating cavity at the upper end of the valve clack, and the hot water tank is communicated with the regulating cavity at the lower end of the valve clack; the valve body and the valve cover are mutually buckled through a buckle, and a second sealing ring surrounding the notch of the hot water tank and the notch of the adjusting cavity and the notch of the cold water tank is arranged between the valve body and the valve cover.
2. A thermostatic valve cartridge according to claim 1, wherein: a concave water passing groove is formed in one surface of the valve cover facing the valve body or one surface of the valve body facing the valve cover, and water in the cold water groove passes through the water groove to reach an adjusting cavity at the upper end of the valve clack; the second sealing ring surrounds the hot water tank notch and the cold water tank notch and the adjusting cavity.
3. A thermostatic valve cartridge according to claim 1, wherein: the valve body is equipped with the lock groove towards the outer wall of valve gap one side, the valve gap is equipped with the lock ear with lock groove adaptation towards the one end of valve body.
4. A thermostatic valve cartridge according to claim 3 wherein: the buckling grooves are internally provided with buckling hooks, and the buckling lugs are provided with clamping grooves which are matched with the buckling hooks in a buckling manner; or the buckling groove is internally provided with a clamping groove, and the buckling lug is provided with a buckling hook which is matched and buckled with the clamping groove.
5. A thermostatic valve cartridge according to claim 1, wherein: one end of the valve body facing the valve cover is provided with a buckling lug, and the outer wall of one side of the valve cover facing the valve body is provided with a buckling groove matched with the buckling lug.
6. A thermostatic valve cartridge according to claim 5, wherein: the buckling grooves are internally provided with buckling hooks, and the buckling lugs are provided with clamping grooves which are matched with the buckling hooks in a buckling manner; or the buckling groove is internally provided with a clamping groove, and the buckling lug is provided with a buckling hook which is matched and buckled with the clamping groove.
7. A thermostatic cartridge according to claim 3 or 4 or 5 or 6, wherein: the number of the buckling grooves is several, the buckling lugs are uniformly distributed along the circumferential direction of the valve body or the valve cover, and the number of the buckling lugs is equal to the number of the buckling grooves.
8. A thermostatic cartridge according to claim 1 or 2, wherein: one surface of the valve cover facing the valve body or one surface of the valve body facing the valve cover is provided with an end surface groove for installing a second sealing ring.
9. A thermostatic valve cartridge according to claim 1, wherein: the bottom surface of the valve body is provided with a sealing groove which is arranged around the cold water outlet, the cold water outlet and the hot water outlet, and a third sealing ring is arranged in the sealing groove.
10. A thermostatic valve cartridge according to claim 1, wherein: and a positioning column is further arranged on the bottom surface of the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223002971.9U CN219035638U (en) | 2022-11-10 | 2022-11-10 | Constant temperature valve core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223002971.9U CN219035638U (en) | 2022-11-10 | 2022-11-10 | Constant temperature valve core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219035638U true CN219035638U (en) | 2023-05-16 |
Family
ID=86277182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223002971.9U Active CN219035638U (en) | 2022-11-10 | 2022-11-10 | Constant temperature valve core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219035638U (en) |
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2022
- 2022-11-10 CN CN202223002971.9U patent/CN219035638U/en active Active
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