CN110594451A - Thermostatic valve core assembly easy to assemble and thermostatic valve using thermostatic valve core assembly - Google Patents
Thermostatic valve core assembly easy to assemble and thermostatic valve using thermostatic valve core assembly Download PDFInfo
- Publication number
- CN110594451A CN110594451A CN201910826802.0A CN201910826802A CN110594451A CN 110594451 A CN110594451 A CN 110594451A CN 201910826802 A CN201910826802 A CN 201910826802A CN 110594451 A CN110594451 A CN 110594451A
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- China
- Prior art keywords
- thermostatic valve
- valve core
- thermostatic
- pressing cap
- cavity
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/085—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
- F16K11/0856—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug having all the connecting conduits situated in more than one plane perpendicular to the axis of the plug
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
- F16K31/605—Handles for single handle mixing valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Temperature-Responsive Valves (AREA)
Abstract
The invention provides a thermostatic valve core assembly and a thermostatic valve using the thermostatic valve core assembly, and belongs to the field of thermostatic bathrooms. The thermostatic valve core hand wheel comprises a hand wheel shell and a torsion bar, the torsion bar penetrates through the pressing cap cavity to be fixedly connected with a temperature adjusting handle of the thermostatic valve core, two ends of the pressing cap respectively abut against the hand wheel shell and the thermostatic valve core, the pressing cap is clamped between the thermostatic valve core hand wheel and the thermostatic valve core, and the thermostatic valve core hand wheel, the pressing cap and the thermostatic valve core are integrally formed into a thermostatic valve core assembly; the outer peripheral wall of the left end of the pressing cap is provided with pressing cap threads, and the outer peripheral wall of the right end of the pressing cap is provided with a quick-release structure capable of applying force to enable the pressing cap to rotate. The thermostatic valve core assembly is fixedly connected with the thermostatic valve main body, the thermostatic valve core assembly is integrally disassembled and assembled, the rotating part is positioned on the outer side of the shell, effective possibility is provided for operation by using a conventional tool, the application space is larger, and the disassembly and the assembly of the thermostatic valve core assembly are more convenient.
Description
Technical Field
The invention belongs to the field of thermostatic bathrooms, and relates to a thermostatic valve core assembly and a thermostatic valve using the thermostatic valve core assembly.
Background
The thermostatic valve is a water heating device which mixes cold water and hot water and outputs warm water. The core temperature control mechanism is a thermostatic valve core, which basically comprises a main body, a temperature sensing element, a return spring, a piston and the like, and the mixing proportion of cold water and hot water is automatically adjusted through the difference value of the outlet water temperature of mixed water and the set temperature, so that the outlet water temperature is in a basically constant state. However, when the thermostatic valve is repeatedly opened or closed after a long time of use, the thermostatic valve core can cause the conditions that dirt blocks a filter screen, a return spring fails or other elements are damaged, and the thermostatic valve core needs to be replaced or repaired.
Among the wide variety of thermostatic valves, the square thermostatic valve is a thermostatic valve product favored by users in the market at present. The application number is CN201420416238.8, and the basic structure of the square thermostatic valve comprises a cuboid-structure shell, a valve core assembly arranged in the shell and a valve seat arranged on the back of the shell, wherein the shell is formed by combining a top shell and a bottom shell, and the valve core assembly is provided with a cold water inlet, a hot water inlet, a mixed water outlet and a valve core for adjusting the outlet water temperature of the mixed water outlet. The square thermostatic valve is hung on the wall surface through the valve seat.
Such thermostatic valves present the following problems in practical use:
1. the valve core for adjusting the water outlet temperature of the mixed water outlet is a thermostatic valve core, the thermostatic valve core is directly and fixedly connected with a main body structure (namely the valve core assembly) of the thermostatic valve, and due to the particularity of the shape of the square thermostatic valve body, in order to reduce the length of a water flow channel in the thermostatic valve body, a thermostatic valve core cavity for accommodating the thermostatic valve core is positioned at the middle position of the thermostatic valve body, so that the position of the thermostatic valve core embedded in the thermostatic valve is deeper, an outer hexagonal structure for dismounting and mounting on the thermostatic valve core is positioned at the inner side of the shell, a hand wheel of the thermostatic valve core needs to be dismounted firstly when the thermostatic valve core is dismounted, then a special dismounting and mounting tool is adopted, the special dismounting and mounting tool extends into the shell and is matched with the outer hexagonal structure at the head part of the thermostatic valve core; the thermostatic valve core is very inconvenient to disassemble and assemble, for example, the outer hexagonal structure of the thermostatic valve core can generate tolerance during casting, a professional tool for disassembling and assembling often has a phenomenon of mismatching with the outer hexagonal structure at the head of the thermostatic valve core, and the thermostatic valve core is often difficult to disassemble;
2. the square thermostatic valve is closer to the installation wall surface, the operation space is limited when the thermostatic valve core is disassembled and assembled, tools are not easy to spread, and great inconvenience is caused to the disassembling operation.
Among the prior art, when carrying out the dismouting to the thermostatic cartridge of side shape thermostatic valve, inconvenient use conventional instrument operates, is difficult for twisting the dismouting to thermostatic cartridge in the shell outside, often needs to pull down thermostatic valve is whole, carries out the dismouting to thermostatic cartridge again, and whole process is wasted time and energy, and this has all aggravated work intensity, and the dismouting process is very inconvenient.
Disclosure of Invention
The invention aims to provide a thermostatic valve core assembly and a thermostatic valve using the thermostatic valve core assembly, aiming at the phenomenon that a thermostatic valve core of a square thermostatic valve is not easy to disassemble and assemble in the prior art.
The technical purpose of the invention is realized by the following technical scheme:
the thermostatic valve element assembly is characterized by comprising a thermostatic valve element hand wheel, a pressing cap and a thermostatic valve element from right to left, wherein the pressing cap is in an annular column shape, the middle hollow part is a pressing cap cavity, the thermostatic valve element hand wheel comprises a hand wheel shell and a torsion bar, the torsion bar penetrates through the pressing cap cavity to be fixedly connected with a temperature adjusting handle of the thermostatic valve element, and two ends of the pressing cap are respectively abutted against the hand wheel shell and the thermostatic valve element; the outer peripheral wall of the left end of the pressing cap is provided with pressing cap threads, and the outer peripheral wall of the right end of the pressing cap is provided with a rotating part capable of rotating to press the cap.
Preferably, the rotating portion is formed in a polygonal shape or externally toothed teeth provided in the circumferential direction. Both shapes are easy to twist. And the circumference of the rotating part is larger than that of an outer hexagonal dismounting structure on the traditional thermostatic valve core, so that the force application of a tool is more convenient, and the operation difficulty is correspondingly reduced.
Preferably, the shaft diameter of a hand wheel shell of the thermostatic valve core hand wheel is larger than that of the pressing cap cavity and smaller than that of the rotating part; the end face of the right end of the pressing cap is provided with a hand wheel limiting groove, and the hand wheel shell is limited and abutted to the hand wheel limiting groove. The appearance effect is that the rotating part protrudes out of the hand wheel shell in the radial direction, so that a tool can conveniently cross the hand wheel shell and is sleeved outside the rotating part, and force is applied to the pressing cap.
Preferably, the torsion bar is fixedly connected with the temperature adjusting handle of the thermostatic valve core through a fastening piece, and the fastening piece is a screw and is provided with a nut and a screw rod. The fittings are commonly used and easily obtained and are easy to disassemble and assemble. The nut can be an easily-screwed piece in the form of a straight line, a cross, an inner hexagon or an outer hexagon.
Preferably, the torsion bar is in a hollow column shape, a limit step is arranged in a cavity close to the left end of the torsion bar, a through hole is formed in the middle of the limit step, and the limit step divides the cavity of the torsion bar into a torsion bar left cavity and a torsion bar right cavity; a temperature adjusting handle of the thermostatic valve core is inserted into the left cavity of the torsion bar; the fastener enters the torsion bar along the right cavity of the torsion bar, the nut is left on the limit step, the screw passes through the limit step and is fixedly connected with the temperature adjusting handle, and the middle part of the temperature adjusting handle is provided with a threaded hole with a right opening; the periphery wall of the temperature adjusting handle is provided with external teeth, and the inner wall of the left cavity of the torsion bar is correspondingly provided with an internal tooth structure. So the temperature adjusting handle and the torsion bar can synchronously rotate, and the hand wheel of the constant temperature valve core is rotated to drive the temperature adjusting handle to rotate, thereby adjusting the water temperature.
Preferably, the end part of the torsion bar is also provided with a temperature limiting block protruding outwards leftwards, the thermostatic valve core is correspondingly provided with a limiting block, and the temperature limiting block and the limiting block are matched to control the rotation limit of the hand wheel. Thereby limiting the water temperature from exceeding the limit temperature so as to avoid scalding the user.
Preferably, the thermostatic valve core comprises a valve core valve seat, a thermosensitive element, a return spring, a current-limiting assembly and a valve core shell, wherein the valve core valve seat is provided with a temperature-adjusting handle and a handle sleeve, the valve core valve seat is integrally in a convex shape and is provided with a valve core valve seat convex part and a valve core valve seat wide part, the right end face of the valve core valve seat wide part forms a valve core valve seat shoulder part, and the left end of the pressing cap is abutted against the valve core valve seat shoulder part; and a limiting block for regulating temperature and limiting is arranged on the convex part of the valve core valve seat.
Preferably, the thermosensitive element is a paraffin thermostatic component or a memory alloy spring.
Preferably, the flow limiting component is a piston which can be fixedly connected with the paraffin wax constant temperature component, or a single sliding sleeve or a double sliding sleeve component which is matched with the memory alloy spring for use.
The thermostatic valve core assembly can be applied to different thermosensitive elements and current-limiting components corresponding to the thermosensitive elements, and has various combination forms and wide application range.
The invention also provides a thermostatic valve, which comprises a shell and a thermostatic valve main body, wherein the thermostatic valve main body is provided with a thermostatic valve core cavity for accommodating the thermostatic valve core; the rotating part of the pressure cap is arranged on the outer side of the shell, and the thermostatic valve core assembly is assembled and disassembled through the force application rotating part.
The thermostatic valve core assembly is mainly used on a square thermostatic valve, but is not limited to the square thermostatic valve in practical application, can also be applied to thermostatic valves with other shapes such as a strip-shaped thermostatic valve, and has wide application range.
In the invention, the mode of the thermostatic valve core assembly is integrally applied to replace the mode of respectively installing the traditional thermostatic valve core and a thermostatic valve core hand wheel, so that the installation process is simplified, and meanwhile, the thermostatic valve core assembly has a compact structure, simple structures of all parts, convenient operation in the assembly process and time and labor saving.
According to the invention, the thermostatic valve core assembly is integrally disassembled, and the rotating part is positioned at the outer side of the shell, so that effective possibility is provided for operation by using a conventional tool, the application space is larger, and the disassembling and assembling of the thermostatic valve core assembly are more convenient.
Thermostatic cartridge does not with thermostatic valve main part lug connection, but is connected with the thermostatic valve main part through pressing the cap, realizes that thermostatic cartridge's installation is fixed, presses the rotation portion of cap in the outside of thermostatic valve shell simultaneously, can directly implement the dismouting operation to thermostatic cartridge assembly in thermostatic valve's outside, need not to pull down the thermostatic valve, and the dismouting mode is more simple laborsaving. When the thermostatic valve core is to be dismounted, the fastener is only required to be unscrewed, and the thermostatic valve core is dismounted naturally, so that the effect of easy dismounting of the thermostatic valve core can be realized. This thermostatic cartridge assembly and thermostatic valve, simple structure is compact, and design benefit provides a new thinking for the installation of thermostatic cartridge, has made things convenient for thermostatic cartridge's maintenance and change, and then prolongs thermostatic cartridge and thermostatic valve's life, practices thrift the cost of life.
Drawings
Fig. 1 is an overall perspective view of a thermostatic valve cartridge assembly provided in the first embodiment.
Fig. 2 is an exploded view of a thermostatic valve cartridge assembly provided in the first embodiment.
Fig. 3 is a schematic structural view of a valve element seat of a thermostatic valve element in the thermostatic valve element assembly provided in the first embodiment.
Fig. 4 is a cross-sectional view of a thermostatic cartridge trim handle of the thermostatic cartridge assembly provided in the first embodiment.
Fig. 5 is a schematic structural view of a thermostatic cartridge hand wheel in the thermostatic cartridge assembly provided in the first embodiment.
Fig. 6 is a cross-sectional view of a thermostatic cartridge hand wheel in the thermostatic cartridge assembly provided in the first embodiment.
Fig. 7 is a schematic structural diagram of a pressure cap in a thermostatic valve cartridge assembly provided in the first embodiment.
Fig. 8 is a cross-sectional view of a pressure cap in a thermostatic valve cartridge assembly provided in a first embodiment.
Fig. 9 is a cross-sectional view of a thermostatic valve cartridge assembly provided in the first embodiment.
Fig. 10 is another angular cross-sectional view of a thermostatic cartridge assembly provided in the first embodiment.
Fig. 11 is a sectional view of the thermostatic cartridge provided in the second embodiment.
Fig. 12 is a cross-sectional view of a thermostatic cartridge provided in a third embodiment.
Fig. 13 is a schematic structural view of a thermostat valve provided in the third embodiment.
Fig. 14 is an exploded view of the thermostat valve provided in the third embodiment.
Fig. 15 is a schematic structural view of a thermostat valve main body in the thermostat valve provided in the third embodiment.
Fig. 16 is a sectional view of the thermostat valve provided in the third embodiment.
In the figure, 1, a thermostatic valve core hand wheel; 11. a hand wheel housing; 12. a torsion bar; 13. a limiting step; 14. a torsion bar left chamber; 15. a torsion bar right cavity; 16. a gland; 17. a temperature limiting block;
2. pressing the cap; 21. pressing the cap cavity; 22. pressing cap threads; 23. a rotating part; 24. a hand wheel limiting groove;
3. a thermostatic valve core; 31. a valve core and a valve seat; 311. a valve core valve seat convex part; 312. a valve core valve seat wide part; 313. a valve core valve seat shoulder; 314. positioning the bump; 315. a limiting ring groove; 32. a valve core housing; 321. a valve core cold water inlet; 322. a valve core cold water inlet; 323. a valve core mixed water outlet; 33. a thermosensitive element; 33A, a paraffin constant-temperature component; 33B, a memory alloy spring; 34. a return spring; 35. a current limiting assembly; 35A, a piston; 35B, a single sliding sleeve; 35C, a double sliding sleeve component; 36. a temperature adjusting handle; 361. a threaded hole; 37. a limiting block; 38. a handle sleeve;
4. a fastener; 41. a nut; 42. a screw;
5. a thermostatic valve body; 51. a thermostatic valve core cavity; 511. positioning a groove; 512. internal threads of the constant-temperature valve core cavity;
6. a switch valve core assembly;
7. a housing; 71. an outer cover; 72. a front cover; 73. a rear cover;
8. a pipe connector; 81. a pipe connector I; 82. a pipe connector II; 83. a pipe connector III;
9. a wrench.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and the directions are only for convenience of describing the technical content, and it is not a limitation to the present invention, and those skilled in the art can make modifications to the embodiment as required without inventive contribution after reading the present specification, but all are protected by the patent law within the scope of the claims of the present invention.
Example one
As shown in fig. 1-10, a thermostatic valve core assembly is provided, which comprises a thermostatic valve core hand wheel 1, a pressing cap 2 and a thermostatic valve core 3 from right to left, wherein the pressing cap 2 is clamped between the thermostatic valve core hand wheel 1 and the thermostatic valve core 3, the thermostatic valve core hand wheel 1 and the thermostatic valve core 3 are fixedly connected through a fastener 4, and the thermostatic valve core assembly is formed by the thermostatic valve core hand wheel 1, the thermostatic valve core 3 and the thermostatic valve core.
As shown in fig. 3, 9 and 10, the thermostatic valve cartridge 3 includes a valve cartridge valve seat 31, a thermal element 33, a return spring 34, a flow limiting assembly 35 and a valve cartridge housing 32, a valve cartridge cold water inlet 321 and a valve cartridge hot water inlet 322 are disposed on a peripheral wall of the valve cartridge housing 32, a valve cartridge mixed water outlet 323 is disposed on a left portion of the valve cartridge housing 32, and cold water and hot water respectively enter the thermostatic valve cartridge 3 from the valve cartridge cold water inlet 321 and the valve cartridge hot water inlet 322, are mixed in the valve cartridge, and flow out from the valve cartridge mixed water outlet 323. A sealing ring for water isolation is also sleeved on the peripheral wall of the valve core shell 32.
In this embodiment, the thermosensitive element 33 is a memory alloy spring 33B, and the thermosensitive element and the return spring 34 cooperate to push the current-limiting assembly 35 to move left and right along the axis by using the principle of expansion with heat and contraction with cold. In this embodiment, the flow limiting assembly 35 is a single sliding sleeve 35B, the middle portion of the single sliding sleeve is provided with a water-passing loop, the memory alloy spring 33B and the return spring 34 are arranged on two sides of the single sliding sleeve, and the single sliding sleeve 35B is pushed to influence the size of the gap between the edge end of the single sliding sleeve 35B and the valve core cold water inlet 321 and the valve core hot water inlet 322, so as to influence the actual water inflow of cold water and hot water.
In this embodiment, the temperature adjustment handle 36 and the handle cover 38 are mounted on the valve core valve seat 31, as shown in fig. 3, the valve core valve seat 31 is integrally formed in a "convex" shape and has a valve core valve seat convex portion 311 and a valve core valve seat wide portion 312, the valve core valve seat wide portion 312 is in threaded connection with the valve core housing 32, and a sealing ring for water-stopping and leakage-preventing is sleeved on the peripheral wall of the valve core valve seat 31 in threaded connection with the right portion. The spool valve seat wide portion 312 has a spool valve seat shoulder 313 formed on a right end face thereof. The side wall of the spool valve seat wide portion 312 is further provided with a positioning projection 314 for positioning and mounting the thermostatic spool.
As shown in fig. 4, 5 and 6, the thermostatic valve core hand wheel 1 comprises a hand wheel shell 11, wherein a torsion bar 12 extending leftward is arranged in the middle of the hand wheel shell, the torsion bar 12 is in a hollow column shape, a limit step 13 is arranged in a cavity of the torsion bar 12 close to the left end, a through hole is arranged in the middle of the limit step 13, and the limit step 13 divides the cavity of the torsion bar 12 into a torsion bar left cavity 14 and a torsion bar right cavity 15; the tempering handle 36 of the thermostatic cartridge 3 is inserted into the torsion bar left chamber 14.
In this embodiment, the fastening member 4 is a screw having a nut 41 and a threaded rod 42. The fastener 4 enters the torsion bar 12 along the right cavity 15 of the torsion bar, the nut 41 is left on the limit step 13, the screw rod 42 passes through the limit step 13 and is fixedly connected with the temperature adjusting handle 36, and the middle part of the temperature adjusting handle 36 is provided with a threaded hole 361 with a right opening and corresponding threads; the outer peripheral wall of the temperature adjusting handle 36 is provided with outer teeth, and the inner wall of the torsion bar left cavity 14 is correspondingly provided with an inner tooth structure.
The open end of the torsion bar right chamber 15 is fitted with a removable gland 16.
The end part of the torsion bar 12 is also provided with a temperature limiting block 17 protruding outwards. As shown in fig. 3 and 10, a limiting ring groove 315 is provided on the right end surface of the valve seat protrusion 311, and a limiting block 37 for limiting temperature adjustment is provided on the limiting ring groove 315. The temperature limiting block 17 moves along the limiting ring groove 315. The temperature limiting block 17 and the limiting block 37 are matched to control the rotation limit of the hand wheel.
As shown in fig. 7 and 8, the pressing cap 2 is in a ring column shape, and a pressing cap cavity 21 is arranged in the middle of the pressing cap. The outer peripheral wall of the left end of the press cap 2 is provided with a press cap thread 22, and the outer peripheral wall of the right end of the press cap 2 is provided with a rotating part 23 which can apply force to rotate the press cap 2.
The torsion bar 12 of the thermostatic valve core hand wheel 1 penetrates through the pressing cap cavity 21 to be fixedly connected with the temperature adjusting handle 36 of the thermostatic valve core 3 through the fastener 4, and two ends of the pressing cap 2 are respectively abutted against the hand wheel shell 11 and a valve core valve seat shoulder 313 of the thermostatic valve core 3.
In the present embodiment, the rotating portion 23 is external teeth provided circumferentially.
The shaft diameter of a hand wheel shell 11 of the thermostatic valve core hand wheel 1 is larger than that of the pressing cap cavity 21 and smaller than that of the rotating part 23; the end face of the right end of the pressing cap 2 is provided with a hand wheel limiting groove 24, and the hand wheel shell 11 is limited and abutted against the hand wheel limiting groove 24.
The thermostatic valve core assembly is characterized in that a pressing cap 2 is clamped between a thermostatic valve core hand wheel 1 and a thermostatic valve core 3, the thermostatic valve core hand wheel 1 and the thermostatic valve core 3 are fixedly connected through a fastener 4, and the thermostatic valve core assembly and the thermostatic valve core 3 are integrally formed.
Example two
As shown in fig. 11, in the first embodiment, the flow limiting assembly 35 of the thermostatic valve cartridge 3 is a double-sliding sleeve assembly 35C, which is divided into an outer sliding sleeve 35C1 and an inner sliding sleeve 35C2, the outer sliding sleeve 35C1 is fixed in the cavity of the valve cartridge housing 32, the inner sliding sleeve 35C2 is sleeved in the outer sliding sleeve 35C1, a water-permeable ring step is arranged in the middle of the inner sliding sleeve 35C2, the memory alloy spring 33B and the return spring 34 are arranged on two sides of the inner sliding sleeve, and the memory alloy spring 33B expands with heat and contracts with cold along with the change of the water temperature to push the inner sliding sleeve 35C2 to move left and right in the outer sliding sleeve 35C1, so as to influence the size of the cold and hot water inlet gaps formed by the cooperation of the inner sliding sleeve 35C2 and the outer sliding sleeve 35C 1.
The double-sliding-sleeve component in the embodiment is made of ceramic materials, sliding resistance is small, and sensitivity of water temperature adjustment is higher.
EXAMPLE III
As shown in fig. 12, compared to the first embodiment, in the present embodiment, the thermal element 33 is a paraffin wax constant temperature assembly 33A, and the paraffin wax constant temperature assembly 33A has been developed for a long time and has a well-developed process, and is still widely used in the field of thermostatic valves (thermostatic faucets). The current-limiting component 35 is a piston 35A which can be fixedly connected with the paraffin constant-temperature component 33A, the reset spring 34 is sleeved on the paraffin constant-temperature component 33A, along with the change of water temperature, the temperature bulb of the paraffin constant-temperature component 33A expands with heat and contracts with cold, the piston moves reversely by matching with the ejector rod of the paraffin constant-temperature component 33A to adapt to the unchanged direction of cold and hot water inlets, the piston 35A is pushed to influence the size of the gap between the edge end of the piston 35A and the valve core cold water inlet 321 and the valve core hot water inlet 322, and then the actual water inflow of cold and hot.
The present embodiment also provides a thermostat valve, which is a one-piece thermostat valve, but the present invention is not limited to this, and may be a thermostat valve that uses a thermostatic valve element, such as an elongated thermostat valve.
The thermostatic valve in this embodiment, as shown in fig. 12 to 16, includes a housing 7, a thermostatic valve body 5, a switching valve core assembly 6, a thermostatic valve core assembly, a first pipe connector 81, a second pipe connector 82, and a third pipe connector 83 for connecting with a water path, where the housing 7 is combined in a combined manner and is divided into an outer cover 71, a front cover 72, and a rear cover 73, the front cover 72 and the rear cover 73 are assembled by bolts penetrating through the thermostatic valve body 5, and the switching valve core assembly 6 includes fittings such as a switching valve core, a switching valve core hand wheel, and a gland, and is used to control the flow rates of cold water and hot water.
The thermostatic valve main body 5 is provided with a thermostatic valve core cavity 51 for accommodating the thermostatic valve core 3, a switching valve core cavity 52 for accommodating the switching valve core, a cold water inlet channel 53, a hot water inlet channel 54 and a mixed water outlet channel 55, wherein the cold water inlet channel 53 and the hot water inlet channel 54 are respectively communicated with the switching valve core cavity 52, and a cold water inlet 56 and a hot water inlet 57 are arranged in the thermostatic valve core cavity 51 and respectively correspond to the valve core cold water inlet 321 and the valve core hot water inlet 322; the cold water inlet 56 and the hot water inlet 57 are also respectively communicated with the switch valve core cavity 52; cold water enters from the cold water inlet channel 53, the switch valve core assembly 6 controls the flow to enter the cold water inlet 56, hot water enters from the hot water inlet channel 54, the switch valve core assembly 6 controls the flow to enter the hot water inlet 57, and the cold water and the hot water are mixed in the thermostatic valve core 3 and flow out from the valve core mixed water outlet 323 and the mixed water outlet channel 55.
In this embodiment, the thermostatic valve core 3 is inserted into the thermostatic valve core chamber 51, the pressing cap 2 is in threaded connection with the thermostatic valve core chamber 51 of the thermostatic valve main body 5, and an internal thread matched with the pressing cap thread 22 is arranged at a port of the thermostatic valve core chamber 51. The turning portion 23 of the press cap 2 is outside the housing 7. The thermostatic valve core assembly is fixedly connected with the thermostatic valve main body 5 through a pressing cap thread 22 on the pressing cap 2, and the thermostatic valve core assembly is assembled and disassembled through a rotating part 23 which applies force on the outer side of the shell 7.
In this embodiment, a positioning protrusion 314 is disposed on a sidewall of the valve seat wide portion 312 for positioning and installing the thermostatic valve element. The inner wall of the thermostatic valve core cavity 51 of the thermostatic valve main body 5 is correspondingly provided with a positioning groove 511 in the axial direction, and the positioning lug 314 is matched with the positioning groove 511 to guide the inlet and the outlet of the thermostatic valve core 3.
This thermostatic valve still includes a spanner 9, and its circle column structure for containing the internal tooth cooperates with the external tooth of rotation portion 23, and spanner 9 passes thermostatic cartridge hand wheel 1 cover from outer on the rotation portion 23 of pressing the cap, when pulling spanner 9 in the direction from top to bottom, drives to press cap 2 rotatory screwing up or unscrew, and then realizes the dismouting of thermostatic cartridge assembly. When not in use, the wrench 9 can be taken down at any time, and is convenient and easy to operate.
According to the thermostatic valve core assembly and the thermostatic valve using the thermostatic valve core assembly, the pressing cap 2 is clamped between the thermostatic valve core hand wheel 1 and the thermostatic valve core 3, and the thermostatic valve core assembly and the thermostatic valve core hand wheel 1 and the thermostatic valve core 3 are integrally formed. The thermostatic valve core assembly is fixedly connected with the thermostatic valve main body 5 through a pressing cap thread 22 on the pressing cap 2, the pressing cap 2 is rotated to move left and right along the axis to drive the thermostatic valve core assembly to move left and right, and the force application rotating part 23 screws and fixes the thermostatic valve core assembly. When the thermostatic valve core assembly is dismounted, the force is reversely applied to the rotating part 23, the pressing cap 2 with the whole thermostatic valve core assembly is screwed out, and the thermostatic valve core assembly is dismounted. The thermostatic cartridge hand wheel 1 is detached simultaneously, which is convenient for the detachment of the thermostatic cartridge hand wheel 1.
Thermostatic cartridge 3 does not connect with thermostatic valve main part 5 lug connection, but is connected with thermostatic valve main part 5 through pressing cap 2, realizes that thermostatic cartridge 3's installation is fixed, presses cap 2's rotation portion 23 in the outside of thermostatic valve shell 7 simultaneously, can be directly implement the dismouting operation to thermostatic cartridge assembly in thermostatic valve's outside, need not to pull down the thermostatic valve, and the dismouting mode is more simple laborsaving.
When the thermostatic cartridge 3 is to be dismounted, the gland 16 of the thermostatic cartridge hand wheel 1 is only required to be taken down, the fastener 4 is screwed out, and the thermostatic cartridge 3 is dismounted naturally, so that the effect of easy dismounting of the thermostatic cartridge can be realized.
This thermostatic cartridge assembly and thermostatic valve, simple structure is compact, and design benefit provides a new thinking for the installation of thermostatic cartridge, has made things convenient for thermostatic cartridge's maintenance and change, and then prolongs thermostatic cartridge and thermostatic valve's life, practices thrift the cost of life.
The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.
Claims (10)
1. The thermostatic valve element assembly easy to assemble and disassemble is characterized by comprising a thermostatic valve element hand wheel (1), a pressing cap (2) and a thermostatic valve element (3) from right to left, wherein the pressing cap (2) is in an annular column shape, the middle part of the pressing cap is hollow and is a pressing cap cavity (21), the thermostatic valve element hand wheel (1) comprises a hand wheel shell (11) and a torsion bar (12), the torsion bar (12) penetrates through the pressing cap cavity (21) to be fixedly connected with a temperature adjusting handle (36) of the thermostatic valve element (3), and two ends of the pressing cap (2) are respectively abutted against the hand wheel shell (11) and the thermostatic valve element (3); the peripheral wall of the left end of the pressing cap (2) is provided with pressing cap threads (22), and the peripheral wall of the right end of the pressing cap (2) is provided with a rotating part (23) capable of rotating to press the pressing cap (2).
2. The readily removable thermostatic cartridge assembly according to claim 1, wherein the rotating portion (23) is of a circumferentially disposed external tooth or polygonal shape.
3. The thermostatic valve core assembly easy to disassemble and assemble according to claim 1, wherein a hand wheel limiting groove (24) is formed in the end face of the right end of the pressing cap (2), and the hand wheel shell (11) is limited and abutted in the hand wheel limiting groove (24).
4. The easy-to-mount thermostat cartridge assembly as claimed in claim 1, characterized in that the torsion bar (12) is fixedly connected to the thermostatic handle (36) of the thermostat cartridge (3) by means of a fastening element (4), the fastening element (4) being a screw having a nut (41) and a threaded spindle (42).
5. The easy-to-mount and dismount thermostatic valve cartridge assembly according to claim 4, wherein the torsion bar (12) is hollow cylindrical, a limit step (13) is arranged in a cavity close to the left end of the torsion bar (12), a through hole is arranged in the middle of the limit step (13), and the limit step (13) divides the cavity of the torsion bar (12) into a left torsion bar cavity (14) and a right torsion bar cavity (15); a temperature adjusting handle (36) of the thermostatic valve core (3) is inserted into the left cavity (14) of the torsion bar; the fastener (4) enters the torsion bar (12) along the right cavity (15) of the torsion bar, the screw cap (41) is arranged on the limiting step (13), the screw rod (42) passes through the limiting step (13) to be connected and fixed with the temperature adjusting handle (36), and the middle part of the temperature adjusting handle (36) is provided with a threaded hole (361) with a right opening; the outer peripheral wall of the temperature adjusting handle (36) is provided with outer teeth, and the inner wall of the torsion bar left cavity (14) is correspondingly provided with inner teeth.
6. The easy-to-mount and dismount thermostatic valve cartridge assembly according to claim 5, wherein the end of the torsion bar (12) is further provided with a temperature limiting block (17) protruding outwards, the thermostatic valve cartridge (3) is correspondingly provided with a limiting block (37), and the temperature limiting block (17) and the limiting block (37) are matched to control the rotation limit of the hand wheel.
7. The easy-to-mount and dismount thermostatic valve cartridge assembly according to claim 6, wherein the thermostatic valve cartridge (3) comprises a valve cartridge valve seat (31), a thermosensitive element (33), a return spring (34), a flow limiting component (35) and a valve cartridge housing (32), wherein the valve cartridge valve seat (31) is provided with a temperature adjusting handle (36) and a handle sleeve (38), the valve cartridge valve seat (31) is provided with a valve cartridge valve seat convex part (311) and a valve cartridge valve seat wide part (312), a valve cartridge valve seat shoulder part (313) is formed on the right end face of the valve cartridge valve seat wide part (312), and the left end of the press cap (2) abuts against the valve cartridge valve seat shoulder part (313); and a limiting block (37) for limiting temperature regulation is arranged on the valve core valve seat convex part (311).
8. The valve cartridge assembly of claim 7, wherein the heat sensitive element (33) is a paraffin wax thermostatic element (33A) or a memory alloy spring (33B).
9. The valve core assembly of claim 8, wherein the flow limiting component (35) is a piston (35A) fixedly connected with the paraffin wax thermostatic component (33A), or a single sliding sleeve (35B) or a double sliding sleeve component (35C) matched with the memory alloy spring (33B).
10. A thermostatic valve comprises a shell (7) and a thermostatic valve body (5), wherein the thermostatic valve body (5) is provided with a thermostatic valve core cavity (51) for accommodating a thermostatic valve core (3), and is characterized by further comprising a thermostatic valve core assembly (0) according to any one of claims 1 to 9, wherein the thermostatic valve core (3) is inserted into the thermostatic valve core cavity (51), a cavity opening of the thermostatic valve core cavity (51) is provided with a thermostatic valve core cavity internal thread (512), and the thermostatic valve core assembly (0) is in threaded connection with the thermostatic valve core cavity (51) through a gland thread (22) on a gland (2); the rotating part (23) of the pressure cap (2) is arranged outside the shell (7), and the thermostatic valve core assembly is assembled and disassembled through the force application rotating part (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910826802.0A CN110594451A (en) | 2019-09-03 | 2019-09-03 | Thermostatic valve core assembly easy to assemble and thermostatic valve using thermostatic valve core assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910826802.0A CN110594451A (en) | 2019-09-03 | 2019-09-03 | Thermostatic valve core assembly easy to assemble and thermostatic valve using thermostatic valve core assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110594451A true CN110594451A (en) | 2019-12-20 |
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ID=68857367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910826802.0A Pending CN110594451A (en) | 2019-09-03 | 2019-09-03 | Thermostatic valve core assembly easy to assemble and thermostatic valve using thermostatic valve core assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110594451A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111006040A (en) * | 2019-12-31 | 2020-04-14 | 薛涵韵 | Constant temperature tap convenient to unpick and wash constant temperature case |
| CN112879593A (en) * | 2021-01-07 | 2021-06-01 | 宁波方太厨具有限公司 | Automatic switching valve and water heater circulation system |
-
2019
- 2019-09-03 CN CN201910826802.0A patent/CN110594451A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111006040A (en) * | 2019-12-31 | 2020-04-14 | 薛涵韵 | Constant temperature tap convenient to unpick and wash constant temperature case |
| CN112879593A (en) * | 2021-01-07 | 2021-06-01 | 宁波方太厨具有限公司 | Automatic switching valve and water heater circulation system |
| CN112879593B (en) * | 2021-01-07 | 2022-04-15 | 宁波方太厨具有限公司 | Automatic switching valve and water heater circulation system |
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