CN212745282U - Constant temperature adjusting device - Google Patents

Abstract

The utility model discloses a constant temperature regulating device, which comprises a housin, be provided with the constant temperature chamber in the casing, ceramic overcoat and ceramic endotheca are installed to the constant temperature intracavity, the ceramic endotheca can slide in ceramic overcoat inboard, be provided with radial face one in the constant temperature chamber, be provided with the sealing member on the radial face one, pottery overcoat lower extreme is contradicted with the sealing member, the pottery overcoat upper end outside is provided with the overcoat step, be provided with the inner wall step in the constant temperature chamber, install the sealing member between overcoat step and the inner wall step, be provided with the sealing member between handle seat lower extreme and the pottery overcoat upper end, handle seat lower extreme compresses tightly the sealing member in ceramic overcoat upper end, water inlet one and water inlet two have been seted up on the ceramic overcoat, water inlet one and water inlet two communicate intake runner one respectively and intake runner two, the pottery endotheca is sheathe. This constant temperature regulating device can directly be connected with the pipeline, realizes temperature thermostatic control.

Description

Constant temperature adjusting device

Technical Field

The utility model relates to a bathroom device, in particular to constant temperature regulating device.

Background

The thermostatic control device generally refers to a device for adjusting the outlet temperature of mixed water to maintain the outlet temperature at a set temperature. Thermostatic regulating devices generally comprise thermostatic valves, thermostatic taps, etc. Chinese patent No. 201521092698.0 discloses an antifouling dirty ceramic thermostatic valve core, which comprises an outer shell, a handle, a temperature adjusting slider, a ceramic overcoat subassembly, a return spring, a memory alloy spring and a base, wherein the ceramic overcoat subassembly includes a ceramic endotheca and a ceramic overcoat, a ceramic endotheca inner cavity is provided with a spring seat, the memory alloy spring and the return spring respectively contradict at the two ends of the spring seat, according to the difference of mixed water temperature and set water temperature, the ceramic endotheca is pushed by the spring seat to slide along the axis direction of the valve core, so that the outlet water temperature is restored to the set outlet water temperature.

This thermostatic cartridge still need cooperate the casing to use when using, installs this case in the casing, fixes this case, sets up into water runner and play water runner in the casing simultaneously, introduces cold water, hot water and the warm water after mixing, draws forth this thermostatic cartridge, and is comparatively troublesome when leading to using, and whole adjusting device cost is higher.

Disclosure of Invention

Not enough to prior art exists, the utility model aims to provide a thermostatic control device can directly be connected with the pipeline, realizes temperature thermostatic control.

The above technical purpose of the present invention can be achieved by the following technical solutions: a constant temperature adjusting device comprises a shell, a constant temperature cavity is arranged in the shell, a temperature sensing element, a reset spring, a ceramic outer sleeve and a ceramic inner sleeve are arranged in the constant temperature cavity, a handle seat is arranged at the opening of the constant temperature cavity, a handle and a temperature adjusting slide block are arranged in the handle seat, the outer side surface of the ceramic inner sleeve is tightly attached to the inner wall of the ceramic outer sleeve, the ceramic inner sleeve can slide in the inner side of the ceramic outer sleeve, a radial surface I is arranged in the constant temperature cavity, a sealing element is arranged on the radial surface I, the lower end of the ceramic outer sleeve is abutted against the sealing element, an outer sleeve step is arranged on the outer side of the upper end of the ceramic outer sleeve, an inner wall step is arranged in the constant temperature cavity, the sealing element is arranged between the outer sleeve step and the inner wall step, a sealing element is arranged between the lower end of the handle seat, the ceramic inner sleeve is provided with a first movable water control surface and a second movable water control surface which are used for controlling the flow of the first water inlet and the second water inlet.

Through above-mentioned technical scheme, the pipeline can directly be connected with thermostatic control device to directly adjust the temperature. The ceramic outer sleeve and the ceramic inner sleeve are directly installed in the thermostatic chamber of the shell, and the thermostatic valve core is not required to be installed in the thermostatic valve core or the thermostatic faucet after the ceramic inner sleeve and the ceramic outer sleeve are installed in the thermostatic valve core, so that the cost is saved.

The arrangement of the outer sleeve step and the inner wall step can enable the ceramic outer sleeve and the inner wall of the constant-temperature cavity to be well sealed, so that water between the water inlet flow channel I and the water inlet flow channel II is prevented from being mixed outside the ceramic outer sleeve. Meanwhile, the arrangement of the outer sleeve steps enables the ceramic outer sleeve not to be provided with a seal ring groove, so that the ceramic outer sleeve is convenient to process, and the production cost of the ceramic outer sleeve is reduced.

Preferably, the first water inlet and the second water inlet are arranged in the middle of the ceramic outer sleeve, the first inner sleeve water control port and the second inner sleeve water control port are arranged on the ceramic inner sleeve, the upper end surface of the first inner sleeve water control port is a first movable water control surface, the lower end surface of the second inner sleeve water control port is a second movable water control surface, the lower end surface of the water inlet is a first fixed water control surface, the upper end surface of the second water inlet is a second fixed water control surface, a first flow regulation port is formed between the first movable water control surface and the first fixed water control surface, and a second flow regulation port is formed between the second movable water control; or the lower end surface of the inner sleeve water control port is a movable water control surface I, the upper end surface of the inner sleeve water control port II is a movable water control surface II, the upper end surface of the water inlet I is a fixed water control surface I, the lower end surface of the water inlet II is a fixed water control surface II, a flow regulation port I is formed between the movable water control surface I and the fixed water control surface I, and a flow regulation port II is formed between the movable water control surface II and the fixed water control surface II.

Through the technical scheme, the water inlet flow of the first water inlet and the second water inlet can be conveniently controlled between the ceramic outer sleeve and the ceramic inner sleeve, so that the outlet water temperature is adjusted.

Preferably, the upper end face of the ceramic inner sleeve is a movable water control surface I, the lower end face of the ceramic inner sleeve is a movable water control surface II, the upper end face of the water inlet I is a fixed water control surface I, the lower end face of the water inlet II is a fixed water control surface II, a flow regulating port I is formed between the movable water control surface I and the fixed water control surface I, and a flow regulating port II is formed between the movable water control surface II and the fixed water control surface II.

Through the technical scheme, the end face of the ceramic inner sleeve is directly used as a water control surface to control the water inlet flow of the first water inlet and the second water inlet, the structure of the ceramic inner sleeve is simpler, the production is more convenient, and the production cost is lower.

Preferably, the upper side of the ceramic inner sleeve is provided with a first inner sleeve water control port, the lower end surface of the first inner sleeve water control port is a first movable water control surface, the lower end surface of the ceramic inner sleeve is a second movable water control surface, the upper end surface of the first water inlet is a first fixed water control surface, and the lower end surface of the second water inlet is a second fixed water control surface; or the lower side of the ceramic inner sleeve is provided with an inner sleeve water control port II, the lower end surface of the inner sleeve water control port II is a movable water control surface II, the upper end surface of the ceramic inner sleeve is a movable water control surface I, the upper end surface of the water inlet I is a fixed water control surface I, and the upper end surface of the water inlet II is a fixed water control surface II.

Through the technical scheme, the flow control of the first water inlet and the second water inlet can be realized, so that the constant temperature control of the water outlet temperature is realized.

Preferably, the temperature sensing element is a memory alloy spring, a spring seat is arranged on the inner side of the ceramic inner sleeve, the spring seat is arranged at the lower end, the middle part or the upper end of the ceramic inner sleeve, and the memory alloy spring and the return spring respectively abut against two ends of the spring seat.

Through above-mentioned technical scheme, the setting of spring holder can be convenient for memory alloy spring and reset spring's installation for memory alloy spring and reset spring's one end can stretch into ceramic endotheca inner chamber, and the installation is more stable, reliable.

Preferably, the shell is provided with a first water inlet connector, a second water inlet connector and a water outlet connector which are convenient to be connected with the pipeline.

Through above-mentioned technical scheme, the setting of water supply connector one, water supply connector two and water connectors makes things convenient for the pipeline directly to be connected with the casing.

Preferably, the axes of the water inlet joint I, the water inlet joint II and the water outlet joint are in the same plane, the axes of the water inlet joint I and the water outlet joint are collinear, and the axis of the water inlet joint II is perpendicular to the axis of the water outlet joint.

Through the technical scheme, the positions of the water inlet joint I, the water inlet joint II and the water outlet joint are arranged, so that when the constant temperature adjusting device is installed in the water heater, the whole pipeline structure in the water heater is convenient.

Preferably, the water outlet joint is provided with a temperature measuring hole.

Through the technical scheme, the temperature sensing probe can be arranged in the temperature measuring hole, so that the outlet water temperature is detected, and the outlet water temperature is directly displayed through other display devices.

Preferably, the shell is in a long strip shape, the constant temperature cavity is arranged at one end of the shell, the other end of the shell is provided with a switch valve core cavity, a switch valve core is installed in the switch valve core cavity, the bottom of the switch valve core cavity is communicated with the bottom of the constant temperature cavity through a communicating flow channel, and the side face of the switch valve core cavity is communicated with the water outlet connector through a water outlet flow channel.

Through above-mentioned technical scheme, install the switch case on the casing, can directly control outlet water rivers to realize the control to outlet water temperature and outlet water temperature simultaneously.

Preferably, the first water inlet or the second water inlet is arranged at the end part of the ceramic outer sleeve, the movable water control surface is arranged on the upper end surface or the lower end surface of the ceramic outer sleeve, and a flow regulating port is formed between the movable water control surface and the surface of the sealing element.

Preferably, a heat insulation gasket is arranged between the upper end of the memory alloy spring and the spring seat.

Through the technical scheme, the lower end of the ceramic inner sleeve is close to the hot water inlet, so that the lower end of the ceramic inner sleeve has higher temperature. The arrangement of the heat insulation gasket can prevent heat from being directly transferred to the memory alloy spring through the ceramic inner sleeve, so that the temperature sensing accuracy of the memory alloy spring is influenced.

Compared with the prior art, the beneficial effects of the utility model are that: the ceramic inner sleeve and the ceramic outer sleeve are directly installed in the thermostatic regulating device, and the thermostatic valve core does not need to be assembled firstly and then installed in the thermostatic regulating device for use. Thereby reducing the overall cost of the thermostat assembly.

Drawings

FIG. 1 is a perspective view of a first embodiment;

FIG. 2 is a front view of the first embodiment;

FIG. 3 is a schematic cross-sectional view of the first embodiment;

FIG. 4 is a schematic diagram showing the fitting positions of the outer ceramic sleeve and the inner ceramic sleeve according to the first embodiment;

FIG. 5 is a schematic cross-sectional view taken at B-B of FIG. 2;

FIG. 6 is a schematic structural diagram of an embodiment in use;

FIG. 7 is a schematic diagram illustrating the fitting positions of the inner ceramic sleeve and the outer ceramic sleeve according to the second embodiment;

FIG. 8 is a schematic view showing the fitting positions of the inner ceramic sleeve and the outer ceramic sleeve according to the third embodiment;

FIG. 9 is a schematic view showing the fitting positions of the ceramic inner sleeve and the ceramic outer sleeve according to the fourth embodiment;

FIG. 10 is a schematic view showing the fitting positions of the inner ceramic sleeve and the outer ceramic sleeve according to the fifth embodiment;

FIG. 11 is a rear view of the sixth embodiment;

FIG. 12 is a schematic sectional view of a sixth embodiment;

FIG. 13 is a schematic sectional view of the seventh embodiment;

FIG. 14 is a schematic view showing the fitting positions of the ceramic inner sleeve and the ceramic outer sleeve in the eighth embodiment;

FIG. 15 is a perspective view of the ceramic sheath of the eighth embodiment;

FIG. 16 is a schematic diagram showing the fitting positions of the ceramic inner sleeve and the ceramic outer sleeve according to the ninth embodiment.

Reference numerals: 1. a housing; 2. a constant temperature cavity; 3. a temperature sensing element; 4. a return spring; 5. a ceramic outer sleeve; 6. a ceramic inner sleeve; 7. a handle base; 8. a handle; 9. a temperature adjusting slide block; 10. a first radial surface; 11. a seal member; 12. step sheathing; 13. an inner wall step; 14. a first water inlet; 15. a water inlet II; 16. a first water inlet flow channel; 17. a second water inlet flow channel; 18. moving the water level I; 19. moving the water control surface II; 20. a first water control port is arranged in the inner sleeve; 21. a second water control port is arranged in the inner sleeve; 22. fixing the first water control surface; 23. fixing a water control surface II; 24. a first flow regulating port; 25. a flow regulating port II; 26. a memory alloy spring; 27. a spring seat; 28. a water inlet joint I; 29. a water inlet joint II; 30. a water outlet joint; 31. a temperature measuring hole; 32. a switch valve core cavity; 33. a switch valve core; 34. a flow passage is communicated; 35. a water outlet flow channel; 36. a heat insulating spacer; 37. a water intake area; 38. a cold water inlet pipe; 39. an inner container; 40. a hot water outlet pipe; 41. the lower end surface of the handle seat.

Detailed Description

The invention is described in further detail below with reference to the accompanying drawings.

The present embodiment is only for explaining the invention, and it is not limited to the invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the invention.

Embodiment one, a thermostatic regulating device

As shown in fig. 1 to 3, a thermostatic control device includes a housing 1, a thermostatic chamber 2 is provided in the housing 1, and a memory alloy spring 26, a ceramic inner sleeve 6, a ceramic outer sleeve 5, and a return spring 4 as a temperature sensing element 3 are installed in the thermostatic chamber 2. A handle seat 7 is installed at the opening of the thermostatic chamber 2, a handle 8 and a temperature-adjusting slide block 9 are installed in the handle seat 7, the handle 8 is rotatably connected to the upper end of the handle seat 7, and the temperature-adjusting slide block 9 is driven to axially slide through threads when the handle 8 rotates.

A first radial surface 10 is arranged in the thermostatic chamber 2, an inner wall step 13 is arranged on the inner wall of the thermostatic chamber 2 outside the first radial surface 10, and an outer sleeve step 12 is arranged on the outer side surface of the ceramic outer sleeve 5. And a sealing element 11 is arranged on the first radial surface 10, and the lower end of the ceramic outer sleeve 5 is in interference sealing with the sealing element 11 on the first radial surface 10. A sealing member 11 is installed between the outer step 12 and the inner step 13, and the two are sealed by the sealing member 11. The sealing element 11 is arranged on the upper end surface of the ceramic outer sleeve 5, and the lower end surface of the handle seat 7 is abutted against the upper end of the sealing element 11 to tightly press the ceramic outer sleeve 5 in the thermostatic chamber 2.

The ceramic inner sleeve 6 is arranged on the inner side of the ceramic outer sleeve 5 in a sliding mode, and the outer side face of the ceramic inner sleeve 6 is in sealing fit with the inner wall of the ceramic outer sleeve 5. The inner cavity of the ceramic inner sleeve 6 is provided with a spring seat 27, and two ends of the reset spring 4 are respectively abutted against the upper end surfaces of the temperature adjusting slide block 9 and the spring seat 27. The upper end of the memory alloy spring 26 is abutted against the lower end face of the spring seat 27. A heat insulation gasket 36 is arranged between the upper end of the memory alloy spring 26 and the lower end face of the spring seat 27, so that the heat at the lower end of the ceramic inner sleeve 6 is prevented from being directly transferred to the memory alloy spring 26, and the accuracy of temperature sensing expansion of the memory alloy spring 26 is prevented from being influenced.

The ceramic outer sleeve 5 is provided with a first water inlet 14 and a second water inlet 15, and the first water inlet 14 is positioned above the second water inlet 15. The shell 1 is provided with a first water inlet flow passage 16 and a second water inlet flow passage 17, the first water inlet flow passage 16 is communicated with the first water inlet 14, and the second water inlet flow passage 17 is communicated with the second water inlet 15. Cold water and hot water enter the thermostatic chamber 2 from the first water inlet 14 and the second water inlet 15 respectively, flow into the bottom of the thermostatic chamber 2 after being mixed, and then flow out through the water outlet flow passage 35. The shell 1 is also provided with a first water inlet joint 28, a second water inlet joint 29 and a second water outlet joint 30 which are respectively communicated with the first water inlet flow passage 16, the second water inlet flow passage 17 and the water outlet flow passage 35. The water outlet flow passage 35 is obliquely arranged, one end of the water outlet flow passage 35 is connected with the bottom of the thermostatic chamber 2, and the other end is connected with the water outlet connector 30.

The ceramic inner sleeve 6 is provided with an inner sleeve water control opening I20 and an inner sleeve water control opening II 21. The upper end surface of the inner sleeve water control opening I20 is a movable water control surface I18, the lower end surface of the water inlet I14 is a fixed water control surface I22, and a flow regulating opening I24 is formed between the movable water control surface I18 and the fixed water control surface I22. The lower end surface of the inner sleeve water control opening II 21 is a movable water control surface II 19, the upper end surface of the water inlet II 15 is a fixed water control surface II 23, and a flow regulating opening II 25 is formed between the movable water control surface II 19 and the fixed water control surface II 23.

As shown in FIG. 5, the axes of the first water inlet connector 28, the second water inlet connector 29 and the second water outlet connector 30 are in the same plane, wherein the axis of the first water inlet connector 28 is collinear with the axis of the second water outlet connector 30, and the axis of the second water inlet connector 29 is perpendicular to the axis of the second water outlet connector 30. The water outlet joint 30 is provided with a temperature measuring hole 31, and a temperature sensing probe can be arranged in the temperature measuring hole 31, so that the water outlet temperature can be detected. The first water inlet connector 28, the second water inlet connector 29 and the second water outlet connector 30 are arranged in such a way that when the water inlet connector, the second water inlet connector and the second water outlet connector are installed inside the electric water heater, the electric water heater can achieve constant-temperature water outlet, and meanwhile, the structure of an internal integral pipeline is simple. As shown in figure 6, the cold water inlet pipe 38 is positioned at the right side of the water heater, the cold water inlet pipe 38 is divided into two branches through a three-way joint, one branch enters the inner container 39, and the other branch is connected with the first water inlet joint 28 of the constant temperature device. And a hot water outlet pipe 40 of the inner container 39 is connected with a second water inlet joint 29 of the thermostatic device. After the connection, the water outlet joint 30 naturally faces the lower part of the water heater, and can be conveniently connected with devices such as a shower head through a pipeline to supply water to the outside.

Second embodiment, a thermostatic control device

The main difference between the second embodiment and the first embodiment is the structure of the ceramic inner sleeve 6 and the ceramic outer sleeve 5 in the second embodiment. As shown in fig. 7, the ceramic inner sleeve 6 in the second embodiment is not provided with the inner sleeve water control port one 20 and the inner sleeve water control port two 21. The upper end surface of the ceramic inner sleeve 6 is a movable water control surface I18, the lower end surface of the ceramic inner sleeve 6 is a movable water control surface II 19, the upper end surface of the water inlet I14 is a fixed water control surface I22, and the lower end surface of the water inlet II 15 is a fixed water control surface II 23. A first flow regulating port 24 is formed between the first fixed water control surface 22 and the first movable water control surface 18, and a second flow regulating port 25 is formed between the second fixed water control surface 23 and the second movable water control surface 19. The spring seat 27 is arranged in the middle of the ceramic inner sleeve 6.

In the third embodiment, the first step is that,

the main difference between the third embodiment and the first embodiment is the structure of the ceramic inner sleeve 6 and the ceramic outer sleeve 5 of the third embodiment. As shown in fig. 8, the lower side of the ceramic inner sleeve 6 is provided with an inner sleeve water control port two 21, the upper side of the ceramic inner sleeve 6 is not provided with an inner sleeve water control port one 20, the upper end surface of the ceramic inner sleeve 6 is a movable water control surface one 18, and the upper end surface of the inner sleeve water control port two 21 is a movable water control surface two 19. The upper end surface of the first water inlet 14 is a fixed water control surface I22, and the lower end surface of the second water inlet 15 is a fixed water control surface II 23. A first flow regulating port 24 is formed between the first movable water control surface 18 and the first fixed water control surface 22, and a second flow regulating port 25 is formed between the second movable water control surface 19 and the second fixed water control surface 23. The spring seat 27 is provided on the upper portion of the ceramic inner case 6.

In the fourth embodiment, the first step is that,

the main difference between the fourth embodiment and the first embodiment is the structure of the ceramic inner sleeve 6 and the ceramic outer sleeve 5 of the third embodiment. As shown in fig. 9, in the fourth embodiment, the ceramic inner sleeve 6 is provided with a first inner sleeve water control port 20 on the upper side, the first movable water control surface 18 is arranged on the lower end surface of the first inner sleeve water control port 20, and the second movable water control surface 19 is arranged on the lower end surface of the ceramic inner sleeve 6. The upper end surface of the first water inlet 14 is a fixed water control surface I22, and the lower end surface of the second water inlet 15 is a fixed water control surface II 23. A first flow regulating port 24 is formed between the first fixed water control surface 22 and the first movable water control surface 18, and a second flow regulating port 25 is formed between the second fixed water control surface 23 and the second movable water control surface 19.

In the fifth embodiment, the first step is,

the main difference between the fourth embodiment and the first embodiment is the structure of the ceramic inner sleeve 6 and the ceramic outer sleeve 5 of the third embodiment. As shown in fig. 10, in the fifth embodiment, a water inlet area 37 is disposed on the upper side of the ceramic inner sleeve 6, the upper end surface of the water inlet area 37 is a first movable water control surface 18, the lower end surface of the water inlet area 37 is a second movable water control surface 19, the lower end surface of the first water inlet 14 is a first fixed water control surface 22, and the upper end surface of the second water inlet 15 is a second fixed water control surface 23.

Sixth embodiment, a thermostatic regulating device

The main difference between the sixth embodiment and the first embodiment is the housing 1 in the sixth embodiment. As shown in fig. 11 and 12, the housing 1 is elongated, the thermostatic chamber 2 is disposed at one end of the housing 1, the other end of the housing 1 is provided with a switch valve core chamber 32, and a switch valve core 33 is mounted in the switch valve core chamber 32. The structures of the ceramic outer sleeve 5 and the ceramic inner sleeve 6 arranged in the thermostatic chamber 2 are the same as the structures of the ceramic inner sleeve 6 and the ceramic outer sleeve 5 in the embodiment. The bottom of the constant temperature cavity 2 is communicated with the bottom of the switching valve core cavity 32 through a communication flow passage 34. The bottom surface of the switch valve core 33 is abutted against the bottom surface of the switch valve core cavity 32, and the mixed water enters the switch valve core 33 from the bottom of the switch valve core cavity 32 and flows out from the side surface of the switch valve core 33. The shell 1 is also provided with a water outlet channel 35, one end of the water outlet channel 35 is communicated with the side surface of the switch valve core cavity 32, and the other end is connected with the water outlet connector 30. The water outlet connector 30 faces the lower side of the shell 1, and the first water inlet connector 28 and the second water inlet connector 29 face the wall surface when being installed. Further, the structures of the ceramic outer case 5 and the ceramic inner case 6 may also be such that the structures of the ceramic inner case 6 and the ceramic outer case 5 as in embodiments two to five are used.

Seventh embodiment, a thermostatic regulating device

The main difference between the seventh embodiment and the first embodiment is that the housing 11, as shown in fig. 13, in the seventh embodiment, the first water inlet channel 16 and the second water inlet channel 17 are arranged on two sides of the valve body in a staggered manner, the first water inlet joint 28 is installed at the end of the first water inlet channel 16, and the second water inlet joint 29 is installed at the end of the second water inlet channel 17. The water outlet flow passage 35 is arranged along the axis of the thermostatic chamber 22 and penetrates through the lower end of the valve body, and the lower end of the valve body is provided with a water outlet connector 30. The inner side of the water outlet joint 30 is provided with internal threads, and the outer side of the water outlet joint 30 is provided with external threads, so that the water outlet joint can be conveniently connected with pipelines in different forms.

EXAMPLE eight A thermostat control device

The main difference between the embodiment eight and the embodiment one is the ceramic outer sleeve 5 and the ceramic inner sleeve 6 in the embodiment eight.

As shown in fig. 15, the ceramic outer sleeve 5 of the eighth embodiment is provided with a first water inlet 14 and a second water inlet 15 at the upper end and the lower end, respectively. The lower end face of the ceramic outer sleeve 5 is abutted against the surface of the sealing element 11 on the radial surface I10, the water inlet flow channel II 17 is communicated with the water inlet II 15 on the ceramic outer sleeve 5, and water enters the inner side of the ceramic outer sleeve 5 from the water inlet II 15. The upper end face of the ceramic outer sleeve 5 is abutted against the surface of the sealing element 11 below the handle seat 7, the handle seat 7 presses the sealing element 11 on the upper end face of the ceramic outer sleeve 5, and meanwhile, the lower end of the ceramic outer sleeve 5 is pressed on the sealing element 11 on the first radial face 10. The upper end surface of the ceramic inner sleeve 6 is a first movable water control surface 18, and the lower end surface of the ceramic inner sleeve 6 is a second movable water control surface 19. The sealing element 11 above the radial surface one 10 and the inner side of the sealing element 11 below the handle base 7 extend to the outer side of the end surface of the ceramic inner sleeve 6. A first flow regulating port 24 is formed between the first movable water control surface 18 and the surface of the sealing member 11 below the handle holder 7. A second flow regulating port 25 is formed between the second movable water control surface 19 and the surface of the sealing member 11 on the first radial surface 10.

Ninth embodiment, a thermostatic regulating device

The main difference between the ninth embodiment and the eighth embodiment is the ceramic outer sleeve 5 and the ceramic inner sleeve 6. As shown in FIG. 16, a water inlet I14 is arranged in the middle of the upper side of the ceramic outer sleeve 5, an inner sleeve water control opening I20 is arranged on the upper side of the ceramic inner sleeve 6, and a flow regulating opening I24 is formed between the inner sleeve water control opening I20 and the water inlet I14. The second water inlet 15 is arranged at the end part of the lower end of the ceramic outer sleeve 5, and the second movable water control surface 19 is arranged on the lower end surface of the ceramic inner sleeve 6.

In addition, the ceramic inner sleeve 6 can be directly used as the movable water control surface I18 without arranging the inner sleeve water control port I20 on the ceramic inner sleeve 6, so that the flow control of the water inlet I14 is realized. Or the first water inlet 14 is arranged at the upper end part of the ceramic outer sleeve 5, the upper end surface of the ceramic inner sleeve 6 is used as a first movable water control surface 18, the second water inlet 15 is arranged in the middle of the lower side of the ceramic outer sleeve 5, and the lower end surface of the ceramic inner sleeve 6 is used as a second movable water control surface 19.

The above description is intended only as an exemplary embodiment of the invention and not for limiting the scope of the invention, which is defined by the appended claims as would be apparent to one skilled in the art. If the matching structure of the ceramic outer sleeve and the shell is applied to the interior of thermostatic adjusting devices such as thermostatic valves or thermostatic faucets, the ceramic outer sleeve and the shell still belong to the protection scope of the patent.

Claims (10)

1. A thermostatic device, includes casing (1), characterized by: a constant temperature cavity (2) is arranged in the shell (1), a temperature sensing element (3), a reset spring (4), a ceramic outer sleeve (5) and a ceramic inner sleeve (6) are arranged in the constant temperature cavity (2), a handle seat (7) is arranged at an opening of the constant temperature cavity (2), a handle (8) and a temperature adjusting slide block (9) are arranged in the handle seat (7), the outer side surface of the ceramic inner sleeve (6) is tightly attached to the inner wall of the ceramic outer sleeve (5), the ceramic inner sleeve (6) can slide on the inner side of the ceramic outer sleeve (5), a radial surface I (10) is arranged in the constant temperature cavity (2), a sealing element (11) is arranged on the radial surface I (10), the lower end of the ceramic outer sleeve (5) is abutted against the sealing element (11), an outer sleeve step (12) is arranged on the outer side of the upper end of the ceramic outer sleeve (5), an inner wall step (13) is, a sealing element (11) is arranged between the lower end of the handle seat (7) and the upper end of the ceramic outer sleeve (5), the sealing element (11) is tightly pressed at the upper end of the ceramic outer sleeve (5) by the lower end of the handle seat (7), a first water inlet (14) and a second water inlet (15) are formed in the ceramic outer sleeve (5), the first water inlet (14) and the second water inlet (15) are respectively communicated with a first water inlet flow channel (16) and a second water inlet flow channel (17), and a first movable water control surface (18) and a second movable water control surface (19) which are used for controlling the flow rates of the first water inlet (14) and the second water inlet (15) are arranged on the.

2. A thermostatic device according to claim 1, characterized by: the water inlet I (14) and the water inlet II (15) are arranged in the middle of the ceramic outer sleeve (5), the ceramic inner sleeve (6) is provided with an inner sleeve water control port I (20) and an inner sleeve water control port II (21), the upper end surface of the inner sleeve water control port I (20) is a movable water control surface I (18), the lower end surface of the inner sleeve water control port II (21) is a movable water control surface II (19), the lower end surface of the water inlet I (14) is a fixed water control surface I (22), the upper end surface of the water inlet II (15) is a fixed water control surface II (23), a flow regulating port I (24) is formed between the movable water control surface I (18) and the fixed water control surface I (22), and a flow regulating port II (25) is formed between the movable water control surface II (19) and; or the lower end surface of the inner sleeve water control port I (20) is a movable water control surface I (18), the upper end surface of the inner sleeve water control port II (21) is a movable water control surface II (19), the upper end surface of the water inlet I (14) is a fixed water control surface I (22), the lower end surface of the water inlet II (15) is a fixed water control surface II (23), a flow regulation port I (24) is formed between the movable water control surface I (18) and the fixed water control surface I (22), and a flow regulation port II (25) is formed between the movable water control surface II (19) and the fixed water control surface II (23).

3. A thermostatic device according to claim 1, characterized by: the water inlet I (14) and the water inlet II (15) are arranged in the middle of the ceramic outer sleeve (5), the upper end face of the ceramic inner sleeve (6) is a movable water control surface I (18), the lower end face of the ceramic inner sleeve (6) is a movable water control surface II (19), the upper end face of the water inlet I (14) is a fixed water control surface I (22), the lower end face of the water inlet II (15) is a fixed water control surface II (23), a flow adjusting opening I (24) is formed between the movable water control surface I (18) and the fixed water control surface I (22), and a flow adjusting opening II (25) is formed between the movable water control surface II (19) and the fixed water control surface II (23).

4. A thermostatic device according to claim 1, characterized by: the upper side of the ceramic inner sleeve (6) is provided with an inner sleeve water control port I (20), the lower end surface of the inner sleeve water control port I (20) is a movable water control surface I (18), the lower end surface of the ceramic inner sleeve (6) is a movable water control surface II (19), the upper end surface of the water inlet I (14) is a fixed water control surface I (22), and the lower end surface of the water inlet II (15) is a fixed water control surface II (23); or the lower side of the ceramic inner sleeve (6) is provided with an inner sleeve water control port II (21), the lower end surface of the inner sleeve water control port II (21) is a movable water control surface II (19), the upper end surface of the ceramic inner sleeve (6) is a movable water control surface I (18), the upper end surface of the water inlet I (14) is a fixed water control surface I (22), and the upper end surface of the water inlet II (15) is a fixed water control surface II (23).

5. A thermostatic device according to claim 1, characterized by: the temperature sensing element (3) is a memory alloy spring (26), a spring seat (27) is arranged on the inner side of the ceramic inner sleeve (6), the spring seat (27) is arranged on the lower part, the middle part or the upper part of the ceramic inner sleeve (6), and the memory alloy spring (26) and the return spring (4) respectively abut against two ends of the spring seat (27).

6. A thermostatic device according to claim 1, characterized by: a first water inlet connector (28), a second water inlet connector (29) and a water outlet connector (30) which are convenient to be connected with a pipeline are arranged on the shell (1).

7. A thermostatic device according to claim 6, characterized in that: the axes of the water inlet joint I (28), the water inlet joint II (29) and the water outlet joint (30) are positioned on the same plane, the axes of the water inlet joint I (28) and the water outlet joint (30) are collinear, and the axis of the water inlet joint II (29) is vertical to the axis of the water outlet joint (30).

8. A thermostatic device according to claim 6, characterized in that: a temperature measuring hole (31) is arranged on the water outlet joint (30).

9. A thermostatic device according to claim 1, characterized by: the shell (1) is in a long strip shape, the constant temperature cavity (2) is arranged at one end of the shell (1), the other end of the shell (1) is provided with a switch valve core cavity (32), a switch valve core (33) is installed in the switch valve core cavity (32), the bottom of the switch valve core cavity (32) is communicated with the bottom of the constant temperature cavity (2) through a communicating flow channel (34), and the side surface of the switch valve core cavity (32) is communicated with the water outlet connector (30) through a water outlet flow channel (35).

10. A thermostatic device according to claim 1, characterized by: the first water inlet (14) or the second water inlet (15) is arranged at the end part of the ceramic outer sleeve (5), the movable water control surface is arranged on the upper end surface or the lower end surface of the ceramic inner sleeve (6), and a flow regulating port is formed between the movable water control surface and the surface of the sealing element (11).

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