CN211231696U - Constant temperature and constant pressure valve - Google Patents

Abstract

The utility model provides a constant temperature and constant pressure valve belongs to hot-water heating equipment technical field. The thermostatic valve solves the problems that the existing thermostatic valve controls the mixed water outlet flow and the mixed water outlet temperature through a single handle, so that the regulated outlet temperature is inconsistent with the outlet temperature required by an actual user, and the accuracy of a temperature reference value is not high. This constant temperature and constant pressure valve, including case shell and case base, from top to bottom be equipped with handle one, double-screw bolt, plunger, mandrel subassembly and reset spring in proper order in the case shell, from top to bottom overlap in proper order in the case shell and be equipped with handle seat, handle two, movable plate and stator in which double-screw bolt, plunger, mandrel subassembly and reset spring wrap up, the embedded pressure balance subassembly that is equipped with of case base. The utility model discloses a rotate the both handles and control respectively and mix water outlet flow and mix water leaving water temperature to the user makes its temperature of adjusting the settlement conform with the leaving water temperature of true mixed water through the fine setting handle, has the advantage that the realization accuracy is high.

Description

Constant temperature and constant pressure valve

Technical Field

The utility model belongs to the technical field of water heating equipment, a constant temperature valve is related to, in particular to constant temperature and constant pressure valve.

Background

The constant temperature and constant pressure valve is used for solving the problems that the pressure of cold and hot water is unbalanced in the bathing process, the pressure change and temperature change are difficult to adjust, and the water outlet is suddenly cooled and suddenly heated, so that the temperature of heating facilities can be artificially set, and the energy-saving effect is achieved.

At present, a constant temperature and constant pressure valve composed of a handle, a transmission nut, a piston, a reset spring, a cold water inlet, a hot water inlet, a mixed water outlet and a thermosensitive element is generally applied to bathing equipment, and the constant temperature and constant pressure valve sequentially combines and links the handle, the transmission nut, the piston, the reset spring and the thermosensitive element to control the rotation angle of the handle so as to adjust the temperature of outlet water. When the output flow of mixed water needs to be adjusted, the driving lever is stirred to drive the adjusting disc and the driving disc to move, and the driving disc further drives the movable ceramic chip to move so as to adjust the water outlet flow of the mixed water; in addition, when the deflector rod is rotated, the deflector rod can drive the adjusting disc to rotate, so that the temperature adjusting valve rod and the fine adjusting rod are driven to rotate together, the thermosensitive element is driven to move up and down, the adjuster is driven to move up and down in a large distance, and the opening proportion of the hot water inlet channel outlet and the hot water outlet channel outlet is controlled in a large range, so that the water outlet temperature is adjusted in a large range; when fine adjustment is needed, the shifting rod is rotated to a certain specific temperature position and is not moved, the shifting rod is connected with the adjusting disc, the adjusting disc is connected with the temperature adjusting valve rod, the temperature adjusting valve rod is not moved, a wrench is inserted into a counter bore at the top end of the fine adjusting rod, the fine adjusting rod is rotated to drive the buffer spring and the ejector pin to move up and down relative to the temperature adjusting valve rod or the temperature adjusting valve rod, so that the fine adjustment of the thermosensitive element is controlled, the adjuster moves up and down, the proportion of opening of the hot water inlet channel outlet and the hot water outlet channel outlet is fine adjusted, and the outlet temperature can reach the set temperature under different conditions. The patent number 201520838355.8 discloses that the single-handle three-control thermostatic faucet and the single-handle three-control thermostatic valve in China enable a deflector rod (commonly called as a handle) in the thermostatic valve to realize flow regulation, switch control and accurate water temperature regulation through the technology.

Because the deflector rod in the thermostatic valve is 'one-rod three-purpose', although the use of the thermostatic valve is more convenient for users, the problems of unstable water outlet temperature and mixed water outlet quantity and high interference are easily caused; in addition, the mixed water outlet temperature and pressure of the thermostatic valve are unbalanced, and when the thermostatic valve adjusts the cold and hot water outlet effects through the deflector rod, the outlet temperature of the mixed water cannot reach the ideal value of a user through fine adjustment, the outlet temperature of the mixed water is adjusted to a large extent, the adjustment accuracy is low, and the use effect is affected.

Therefore, in order to solve the problems, the constant-temperature and constant-pressure valve capable of effectively solving the problems of small adjusting angle, low sensitivity and low accuracy caused by a single-handle constant-temperature valve is designed.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide one kind and adopt the design of double handle, control respectively and adjust mixed water outlet flow and mixed water leaving water temperature through rotating the double handle to the user makes its temperature of adjusting the settlement conform with the play water temperature of true mixed water through the fine setting handle, realizes the high constant temperature and constant pressure valve of accuracy.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a constant temperature and constant pressure valve, its characterized in that, includes case shell and case base, the case shell in from top to bottom be equipped with handle one, double-screw bolt, plunger, mandrel subassembly and reset spring in proper order, the double-screw bolt in be equipped with compression spring again in proper order and supply the regulation seat that compression spring lower pot head established, the upper end of mandrel subassembly stretches into in the regulation seat and is connected with the cooperation of regulation seat, the plunger cover locate on the mandrel subassembly along the outer wall axial displacement of mandrel subassembly, the case shell in from top to bottom in proper order the cover be equipped with handle seat, handle two, movable plate and stator with double-screw bolt, plunger, mandrel subassembly and reset spring parcel in, handle two lower tip stretch into in the case shell and be connected with movable plate combination linkage, and accessible rotate handle two and drive the movable plate rotation, movable plate and stator all seted up two through-holes, the through-hole one-to-one that sets up on the movable plate and stator and form the inside of case shell respectively The valve core base is embedded with a pressure balance assembly, and the pressure balance assembly is provided with a cold water inlet and a hot water inlet which are respectively communicated with the cold water channel and the hot water channel.

In the constant temperature and constant pressure valve, a cold water channel communicated with the cold water channel is formed at the position, corresponding to the cold water channel formed by the movable plate and the fixed plate, of the bottom of the second handle, the other end of the cold water channel is communicated with the inside of the valve core shell, a hot water channel communicated with the hot water channel is formed at the position, corresponding to the hot water channel formed by the movable plate and the fixed plate, of the bottom of the second handle, and the other end of the hot water channel is communicated with the inside of the valve core shell.

In foretell constant temperature and constant pressure valve, the periphery wall of movable plate and stator on equal circumference interval even seted up a plurality of recess, the recess that is located on the movable plate and the recess one-to-one on the stator.

In the constant temperature and constant pressure valve, the through holes on the movable plate and the fixed plate are both arc-shaped, and the cross section of the cold water channel is also arc-shaped.

In foretell constant temperature and constant pressure valve, the pressure balance subassembly constitute by the fixing base of two fixed concatenations, cold water inlet and hot water inlet set up respectively on corresponding fixing base, all be equipped with fixed endotheca in two fixing bases, the periphery wall of fixed endotheca on set up the inlet opening of the even interval distribution of a plurality of circumference.

In the constant temperature and constant pressure valve, the bottoms of the two fixing seats are both provided with the step parts, and the step parts are embedded with the valve core base.

In the constant temperature and constant pressure valve, a water outlet which is used for communicating the inside of the valve core shell with the outside and allowing mixed water to flow out is arranged between the cold water inlet and the hot water inlet on the outer wall of the valve core base.

In the constant temperature and constant pressure valve, the valve core shell and the valve core base are clamped through a clamping structure formed by a buckle and a clamping groove, the buckle is symmetrically and convexly arranged on the peripheral wall of the valve core base, and the clamping groove is symmetrically arranged at the position where the valve core shell is correspondingly clamped and convex.

In the constant temperature and constant pressure valve, the movable plate and the fixed plate are made of ceramics.

In the constant-temperature and constant-pressure valve, a first sealing element for sealing is arranged between the first handle and the handle seat, a second sealing element for sealing is arranged between the second handle and the handle seat, a third sealing element for sealing is arranged between the plunger and the second handle, a fourth sealing element for sealing is arranged between the second handle and the moving plate, and a fifth sealing element for sealing is arranged between the valve core base and the fixed plate.

Compared with the prior art, this constant temperature and constant pressure valve has following advantage:

1. the pressure balance assembly is added on the basis of the traditional constant-temperature valve, and compared with the traditional constant-pressure valve, the constant-temperature constant-pressure valve has the advantages of stable water outlet and improvement of the water outlet effect of the constant-temperature constant-pressure valve;

2. the core rod component consisting of the core rod and the push rod adjusts the height of the push rod to drive the plunger through the principle of expansion with heat and contraction with cold of the core rod, so that the water passing gap between the plunger and the handle seat as well as the valve core base is adjusted, and the constant-temperature water outlet effect is achieved;

3. the constant temperature and constant pressure valve is provided with a first handle and a second handle which are respectively used for controlling the outlet water temperature of mixed water and the outlet water flow of the mixed water; in detail, when the first handle rotates, the stud can move up and down along with the rotation of the first handle, so that the gap between the plunger and the handle seat is adjusted, and the outlet water temperature of the mixed water is finally adjusted; the second handle rotates, the movable piece can radially rotate along with the rotation of the second handle, so that the water passing gap between the movable piece and the fixed piece is adjusted, and the water outlet flow of mixed water is finally adjusted;

4. through holes formed in the movable piece and the fixed piece enable a cold water flow passage and a hot water flow passage to be formed in the valve core shell, and the cold water and the hot water flow smoothly and stably by matching with the pressure balance assembly;

5. the constant-temperature constant-pressure valve is designed by adding a double handle and a pressure balance component on the original traditional constant-temperature valve, and the double handle is used for respectively controlling the outlet water temperature of mixed water and the outlet water flow of the mixed water; the pressure balance of cold water and hot water is automatically adjusted through the pressure balance component, so that the water quantity of the cold water and the hot water is kept in a certain proportion, and the effect of constant-temperature water outlet is achieved; in addition, the handle angle of regulation scope of traditional thermostatic valve is little, lead to the leaving water temperature of cold and hot mixed water unbalanced, inhomogeneous (that is to say can't finely tune the leaving water temperature of mixed water), the angle scope of adjustment handle has been reinforceed in the setting of the double-handle of present thermostatic and constant-pressure valve, can finely tune the leaving water temperature of cold and hot mixed water, make the leaving water temperature of mixed water reach the required temperature value of user, the cooperation that adds the pressure balance subassembly reaches mixed water constancy of temperature, the play water effect of constancy of pressure, traditional thermostatic valve is solved through the inaccurate problem of temperature regulation that single handle control output water temperature and flow brought to this thermostatic and constant-pressure valve, this thermostatic and constant-pressure valve possesses that the temperature control scope is big, can carry out the fine setting to the temperature, adjust the accurate advantage of sensitivity.

Drawings

Fig. 1 is a schematic perspective view of the thermostatic and constant pressure valve.

Fig. 2 is a schematic view of the structure of the thermostatic and constant pressure valve in the bottom view.

Fig. 3 is a schematic sectional structure view of the constant temperature and constant pressure valve.

Fig. 4 is an exploded view of a pressure balancing assembly in the present thermostatic and constant pressure valve.

Fig. 5 is an exploded view of the movable plate and the fixed plate in the constant temperature and constant pressure valve.

In the figure, 1, a valve core shell; 2. a valve core base; 3. a first handle; 4. a stud; 5. a plunger; 6. a mandrel assembly; 7. a return spring; 8. a handle seat; 9. a second handle; 10. a moving plate; 11. fixing the sheet; 12. a through hole; 13. a cold water flow passage; 14. a hot water flow passage; 15. a pressure balancing assembly; 16. a cold water inlet; 17. a hot water inlet; 18. a cold water passage; 19. a fixed seat; 20. fixing the inner sleeve; 21. a water inlet hole; 22. a step portion; 23. a hot water passage; 24. a water outlet; 25. buckling; 26. a card slot; 27. a first sealing element; 28. a second sealing element; 29. a third sealing element; 30. a fourth sealing element; 31. a fifth sealing element; 32. a groove; 33. a compression spring; 34. an adjusting seat.

Detailed Description

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

As shown in fig. 1, 2, 3, 4 and 5, the constant temperature and constant pressure valve comprises a valve core shell 1 and a valve core base 2, wherein a first handle 3, a stud 4, a plunger 5, a mandrel component 6 and a return spring 7 are sequentially arranged in the valve core shell 1 from top to bottom, a compression spring 33 and an adjusting seat 34 for sleeving the lower end of the compression spring 33 are sequentially arranged in the stud 4, the upper end of the mandrel component 6 extends into the adjusting seat 34 to be matched and connected with the adjusting seat 34, the plunger 5 is sleeved on the mandrel component 6 and axially moves along the outer wall of the mandrel component 6, the first handle 3, the stud 4, the plunger 5, the mandrel component 6 and the return spring 7 in the valve core shell 1 are combined and linked, the stud 4, the plunger 5, the mandrel component 6 and the return spring 7 can be driven to synchronously rotate by rotating the first handle 3, and the stud 4, the plunger 5, the plunger component 6 and the return spring 7 are sequentially sleeved in the valve core shell 1 from top to bottom, The core rod assembly 6 and the reset spring 7 are wrapped in a handle seat 8, a second handle 9, a movable piece 10 and a fixed piece 11, the core rod assembly 6 consists of a core rod and a push rod and is positioned in the valve core base 2 and in the middle of the valve core shell 1, the core rod in the core rod assembly 6 adjusts the height of the push rod according to the principle of expansion with heat and contraction with cold to drive the plunger 5, so that the water passing gap between the plunger 5 and the adjustment handle seat 8 and the valve core base 2 is adjusted, a constant-temperature water outlet effect is achieved, the lower end part of the second handle 9 extends into the valve core shell 1 to be combined and linked with the movable piece 10, the movable piece 10 can be driven to rotate by rotating the second handle 9, the movable piece 10 can radially rotate along with the rotation of the second handle 9, so that the water passing gap between the movable piece 10 and the fixed piece 11 is adjusted, the water outlet flow of mixed water is finally adjusted, the plunger 5 is positioned between the handle seat 8 and, the water passing gap is respectively communicated with a cold water channel 13 and a hot water channel 14 to obtain cold and hot mixed water, the size of the water passing gap is adjusted by rotating a first handle 3, the first handle 3 is adjusted to enable a stud 4 to move up and down along with the rotation of the handle, so that the water passing gap between a plunger 5 and a valve core base 2 is adjusted, the outlet water temperature of the mixed water is finally adjusted, a compression spring 33 has a buffering effect, two through holes 12 are respectively arranged on a moving piece 10 and a fixed piece 11, the through holes 12 arranged on the moving piece 10 and the through holes 12 arranged on the fixed piece 11 are in one-to-one correspondence, a cold water channel 13 and a hot water channel 14 are respectively formed in the valve core shell 1, a pressure balance assembly 15 is embedded in the valve core base 2, and the pressure balance assembly 15 is provided with a cold water inlet 16 and a hot water inlet 17 which are respectively communicated with the cold water channel 13 and the, lie in being equipped with the delivery port 24 that supplies mixed water to flow out with 1 inside and external being linked together of case shell between 16 and the hot water import 17 of cold water import on the outer wall of case base 2, particularly, pressure balance subassembly 15 comprises the fixing base 19 of two fixed concatenations, cold water import 16 and hot water import 17 are seted up respectively on corresponding fixing base 19, all be equipped with fixed endotheca 20 in two fixing base 19, set up a plurality of circumference evenly spaced distribution's inlet opening 21 on the periphery wall of fixed endotheca 20, the bottom of two fixing base 19 all is equipped with step portion 22, and through this step portion 22 and 2 looks gomphosis of case base, the material of rotor 10 and stator 11 is pottery.

In more detail, a cold water channel 18 communicated with the cold water channel 13 is arranged at the position of the cold water channel 13 formed by the bottom of the handle II 9 corresponding to the movable plate 10 and the fixed plate 11, the other end of the cold water channel 18 is communicated with the interior of the valve core shell 1, a hot water channel 23 communicated with the hot water channel 14 is arranged at the position of the hot water channel 14 formed by the bottom of the handle II 9 corresponding to the movable plate 10 and the fixed plate 11, the other end of the hot water channel 23 is communicated with the interior of the valve core shell 1, a plurality of grooves 32 are uniformly circumferentially arranged on the outer peripheral walls of the movable plate 10 and the fixed plate 11 at intervals, the grooves 32 on the movable plate 10 are in one-to-one correspondence with the grooves 32 on the fixed plate 11, a plurality of first protruding parts are uniformly circumferentially arranged at intervals and protruding parts at the positions of the bottom of the handle II 9 corresponding to the grooves 32 in the movable plate 10, and the first protruding parts are, a plurality of second protruding parts are arranged on the valve core base 2 at positions corresponding to the grooves 32 in the fixed piece 11 in a protruding mode at even intervals in the circumferential direction, the second protruding parts are connected with the corresponding grooves 32 in a clamping mode, the through holes 12 in the movable piece 10 and the fixed piece 11 are both arc-shaped, and the cross section of the cold water channel 18 is also arc-shaped.

In further detail, the valve core shell 1 and the valve core base 2 are clamped by a clamping structure formed by a buckle 25 and a clamping groove 26, the buckle 25 is symmetrically and convexly arranged on the peripheral wall of the valve core base 2, and the clamping groove 26 is symmetrically arranged at the position of the corresponding clamping bulge of the valve core shell 1. The clamping connection of the buckle 25 and the clamping groove 26 ensures the stability and firmness of connection on the premise of simple connection.

To further elaborate, in order to improve better sealing performance, a first sealing element 27 for sealing is arranged between the first handle 3 and the handle seat 8, a second sealing element 28 for sealing is arranged between the second handle 9 and the handle seat 8, a third sealing element 29 for sealing is arranged between the plunger 5 and the second handle 9, a fourth sealing element 30 for sealing is arranged between the second handle 9 and the movable plate 10, and a fifth sealing element 31 for sealing is arranged between the valve core base 2 and the fixed plate 11.

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

Claims (10)

1. The utility model provides a constant temperature and constant pressure valve, its characterized in that, includes case shell (1) and case base (2), case shell (1) in from top to bottom be equipped with handle (3), double-screw bolt (4), plunger (5), mandrel subassembly (6) and reset spring (7) in proper order, double-screw bolt (4) in again be equipped with compression spring (33) in proper order and supply regulation seat (34) that compression spring (33) lower pot head was established, the upper end of mandrel subassembly (6) stretch into in adjusting seat (34) and adjust seat (34) cooperation and be connected, plunger (5) cover locate mandrel subassembly (6) on along the outer wall axial displacement of mandrel subassembly (6), case shell (1) in from top to bottom in proper order the cover be equipped with handle seat (8) of wrapping up double-screw bolt (4), plunger (5), mandrel subassembly (6) and reset spring (7) in, Handle two (9), rotor (10) and stator (11), handle two (9) lower tip stretch into case shell (1) in with rotor (10) combination linkage connection, and accessible rotation handle two (9) drive rotor (10) rotatory, rotor (10) and stator (11) all seted up two through-hole (12), through-hole (12) of seting up on rotor (10) and stator (11) on set up through-hole (12) one-to-one and with case shell (1) inside formation one cold water runner (13) and a hot water runner (14) respectively, case base (2) embedded pressure balance subassembly (15) of being equipped with, and have on this pressure balance subassembly (15) respectively with cold water runner (13) and the cold water import (16) and hot water import (17) that hot water runner (14) are linked together.

2. The constant temperature and constant pressure valve according to claim 1, wherein a cold water channel (18) communicated with the cold water channel (13) is formed at a position, corresponding to the cold water channel (13) formed by the movable plate (10) and the fixed plate (11), of the bottom of the second handle (9), the other end of the cold water channel (18) is communicated with the inside of the valve core housing (1), a hot water channel (23) communicated with the hot water channel (14) is formed at a position, corresponding to the hot water channel (14) formed by the movable plate (10) and the fixed plate (11), of the bottom of the second handle (9), and the other end of the hot water channel (23) is communicated with the inside of the valve core housing (1).

3. The constant-temperature and constant-pressure valve according to claim 1, wherein a plurality of grooves (32) are uniformly formed in the peripheral walls of the movable plate (10) and the fixed plate (11) at intervals in the circumferential direction, and the grooves (32) on the movable plate (10) correspond to the grooves (32) on the fixed plate (11) one by one.

4. The constant-temperature and constant-pressure valve according to claim 2, wherein the through holes (12) on the movable plate (10) and the fixed plate (11) are both arc-shaped, and the cross section of the cold water channel (18) is also arc-shaped.

5. The constant temperature and constant pressure valve according to claim 1, wherein the pressure balance assembly (15) is composed of two fixed splicing fixed seats (19), the cold water inlet (16) and the hot water inlet (17) are respectively arranged on the corresponding fixed seats (19), a fixed inner sleeve (20) is arranged in each fixed seat (19), and a plurality of water inlet holes (21) are formed in the peripheral wall of each fixed inner sleeve (20) and are circumferentially and uniformly distributed at intervals.

6. The constant temperature and constant pressure valve according to claim 5, wherein the bottom of each of the two fixed seats (19) is provided with a step (22), and the step (22) is embedded with the valve core base (2).

7. The constant temperature and constant pressure valve according to claim 1, wherein a water outlet (24) for communicating the inside of the valve core shell (1) with the outside and allowing mixed water to flow out is arranged between the cold water inlet (16) and the hot water inlet (17) on the outer wall of the valve core base (2).

8. The constant temperature and constant pressure valve according to claim 1, wherein the valve core housing (1) and the valve core base (2) are clamped by a clamping structure formed by a clamping buckle (25) and a clamping groove (26), the clamping buckle (25) is symmetrically and convexly arranged on the peripheral wall of the valve core base (2), and the clamping groove (26) is also symmetrically arranged at the position of the valve core housing (1) corresponding to the clamping bulge.

9. The constant temperature and constant pressure valve according to claim 1, wherein the movable plate (10) and the fixed plate (11) are made of ceramics.

10. The constant-temperature and constant-pressure valve according to claim 1, wherein a first sealing element (27) with a sealing effect is arranged between the first handle (3) and the handle seat (8), a second sealing element (28) with a sealing effect is arranged between the second handle (9) and the handle seat (8), a third sealing element (29) with a sealing effect is arranged between the plunger (5) and the second handle (9), a fourth sealing element (30) with a sealing effect is arranged between the second handle (9) and the moving plate (10), and a fifth sealing element (31) with a sealing effect is arranged between the valve core base (2) and the fixed plate (11).

Images