CN113565991A

CN113565991A - Shell of water mixing valve and water mixing valve

Info

Publication number: CN113565991A
Application number: CN202110759163.8A
Authority: CN
Inventors: 李西兵; 林元熙; 孙伟坷; 徐裕民; 林洪俊; 于哲
Original assignee: Fujian Agriculture and Forestry University
Current assignee: Fujian Agriculture and Forestry University
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2021-10-29

Abstract

The invention provides a shell of a water mixing valve and the water mixing valve, wherein the outer cover of the water mixing valve comprises a shell, an adjusting sleeve, an adjusting knob and a speed reducing mechanism, the shell comprises an outer shell and an inner shell, the adjusting sleeve is rotatably sleeved on the inner shell, a rectangular through hole is formed in the top of the adjusting sleeve and used for yielding a valve rod of the water mixing valve, the adjusting knob is installed on the shell, and the adjusting knob is in transmission connection with the adjusting sleeve through the speed reducing mechanism. When the adjusting knob is rotated, the adjusting knob drives the adjusting sleeve to rotate through the speed reducing mechanism, the rectangular through hole at the top of the adjusting sleeve drives the valve rod to rotate, the adjusting knob reduces the speed through the speed reducing mechanism, the temperature adjusting precision is improved, the fine adjustment function is realized, and the adaptive temperature can be adjusted conveniently and quickly. Meanwhile, the whole structure does not need to change the structure of the original main valve body of the water mixing valve, the existing main valve body of the water mixing valve can be additionally installed by replacing the shell, the function of the main valve body is not affected, and the water mixing valve is simple in structure, economical and practical.

Description

Shell of water mixing valve and water mixing valve

Technical Field

The invention relates to the field of water mixing valves, in particular to a shell of a water mixing valve and the water mixing valve.

Background

The water mixing valve is a valve, and is used for mixing the hot and cold water, can adjust the hot and cold water temperature of mixing water by oneself as required, the most common is exactly the water mixing valve of water heater, including the valve body that has hot water inlet, cold water inlet and mixed water export, the intersection at valve body middle part is equipped with the case, be fixed with the handle on the valve rod of case, drive the vertical rotation of valve rod through rotating the handle, realize opening and closing of play water knot, and the regulation of water yield, drive the horizontal rotation of valve rod through rotating the handle, adjust the hot and cold water proportion, reach the purpose of temperature regulation.

However, when people take a bath, the optimal temperature of bath water is about 38 degrees (different preferences of different people have slight deviation), but the transverse rotation range of the water mixing valve is small, the temperature adjusting precision is small, so that the water outlet temperature is greatly changed due to slight deflection, the optimal temperature is difficult to adjust, a large amount of time and energy are usually consumed for adjustment, and a large amount of water is wasted in the adjusting process. In any case, the bath is not comfortable, and if the temperature is too high, more blood flows to the skin, so that insufficient blood supply of other organs can be caused, especially in a bathroom with relatively poor air circulation, the phenomenon of oxygen deficiency is easy to occur, the diseases such as general weakness, dizziness and even syncope are easy to occur, and the diseases such as cold and the like are easy to cause due to too low temperature.

Disclosure of Invention

Therefore, a shell of the water mixing valve needs to be provided, the temperature adjusting precision of the water mixing valve is low, the optimal temperature is difficult to adjust, time and labor are consumed in adjustment, water resources are wasted, bathing experience is affected, and even health is harmed.

For realizing above-mentioned purpose, the inventor provides a shell of muddy water valve, including casing, adjusting sleeve, adjust knob and reduction gears, the casing includes shell body and interior casing, adjusting sleeve rotationally overlaps and establishes on interior casing, the adjusting sleeve top is equipped with the rectangle through-hole, the rectangle through-hole is used for stepping down for the valve rod of muddy water valve, adjust knob installs on the casing, adjust knob passes through the speed reduction structure and is connected with the adjusting sleeve transmission.

Further, the speed reduction mechanism is a gear speed reduction mechanism.

Further, gear reduction includes driving gear, driven gear, first intermediate gear and second intermediate gear, adjust knob is the disc, the adjust knob middle part is equipped with circular through-hole, circular through-hole is used for stepping down for adjust knob, adjust knob rotatable coupling is in the shell body top, the driving gear is located adjust knob bottom inboard, first intermediate gear is located adjust knob bottom, and meshes with the driving gear mutually, second intermediate gear is coaxial with first intermediate gear, and fixed connection is in first gear bottom, second intermediate gear diameter is less than first intermediate gear, driven gear is located the adjusting sleeve bottom, driven gear with second driven gear meshes mutually.

Furthermore, the gear reduction mechanism is provided with a plurality of groups, and the plurality of groups of gear reduction mechanisms are symmetrically arranged below the adjusting knob.

Further, reduction gears is turbine worm reduction gears, turbine worm reduction gears includes turbine and worm, the turbine is located adjusting sleeve bottom, the worm rotationally connects on the shell body, the turbine mutually supports with the screw rod, and adjust knob connects in worm one end, is located shell body the place ahead.

Furthermore, the shell of the water mixing valve further comprises a clutch mechanism, and the clutch mechanism is connected between the speed reducing mechanism and the adjusting sleeve or is positioned in the speed reducing mechanism.

Furthermore, the outer shell of the water mixing valve further comprises a positioning mechanism, the positioning mechanism is connected with the adjusting sleeve, and the positioning mechanism is used for fixing the adjusting sleeve.

Further, the outer shell of the water mixing valve further comprises an overload protection mechanism, and the overload protection mechanism is arranged between the speed reduction mechanism and the adjusting sleeve or in the speed reduction mechanism.

Be different from prior art, above-mentioned technical scheme provides a shell of muddy water valve, including casing, adjusting sleeve, adjust knob and reduction gears, the casing includes shell body and interior casing, adjusting sleeve rotationally overlaps and establishes on interior casing, the adjusting sleeve top is equipped with the rectangle through-hole, the rectangle through-hole is used for stepping down for the valve rod of muddy water valve, adjust knob installs on the casing, adjust knob passes through the speed reduction structure and is connected with the adjusting sleeve transmission.

During operation, rotate adjust knob, adjust knob passes through reduction gears and drives adjusting sleeve and rotate, and the rectangle through-hole at adjusting sleeve top drives the valve rod and rotates, and adjust knob's rotation angle passes through reduction gears's speed reduction for the rotation angle of valve rod diminishes, improves the temperature adjustment precision, realizes the function of fine setting, can adjust the temperature of adaptation in convenient and fast ground, improves the experience of bathing, avoids extravagant water resource. Meanwhile, the whole structure does not need to change the structure of the original main valve body of the water mixing valve, the existing main valve body of the water mixing valve can be additionally installed by replacing the shell, the function of the main valve body is not affected, and the water mixing valve is simple in structure, economical and practical.

In order to achieve the above purpose, the inventor also provides a water mixing valve, which comprises a valve body, a valve rod and the shell of the water mixing valve, wherein an opening is formed in the top of the valve body, the valve rod is located in the opening formed in the top of the valve body, the width of the rectangular through hole in the top of the adjusting knob is larger than that of the valve rod, the length of the rectangular through hole is larger than that of the opening in the top of the valve body, and the inner shell of the water mixing valve is sleeved on the valve body.

Furthermore, the outer shell of the water mixing valve is fixedly connected with the valve body in a clamping mode.

During operation, rotate adjust knob, adjust knob passes through reduction gears and drives adjusting sleeve and rotate, and the rectangle through-hole at adjusting sleeve top drives the valve rod and rotates, and adjust knob's rotation angle passes through reduction gears's speed reduction for the rotation angle of valve rod diminishes, improves the temperature adjustment precision, realizes the function of fine setting, can adjust the temperature of adaptation in convenient and fast ground, improves the experience of bathing, avoids extravagant water resource.

Drawings

Fig. 1 is a three-dimensional view of an outer housing of a mixing valve according to an embodiment;

fig. 2 is a top view of a housing of the mixing valve according to an embodiment;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

FIG. 5 is a top exploded view of the housing of the mixing valve according to an embodiment;

fig. 6 is a bottom exploded view of the housing of the mixing valve according to an embodiment;

fig. 7 is a top view of the housing of the mixing valve with the adjustment knob and pressure plate removed in accordance with an embodiment;

fig. 8 is an exploded view of an embodiment of the mixing valve;

fig. 9 is a three-dimensional view of the mixing valve according to an embodiment after the handle is separated.

Description of reference numerals:

11. an inner housing; 12. an outer housing;

20. an adjustment sleeve; 21. a rectangular through hole;

30. a speed reduction mechanism;

31. a driving gear; 32 a first intermediate gear; 33. a second intermediate gear; 34. a driven gear; 35. A cover plate; 36. coaxial;

40. adjusting a knob;

50. pressing a plate;

60. a handle;

70. a main valve body;

71. a valve stem.

Detailed Description

To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

Referring to fig. 1 to 7, the present embodiment provides an outer cover of a wall-mounted mixing valve, which includes a housing, an adjusting sleeve 20, an adjusting knob 40 and a speed reducing mechanism. The top of the valve body of the wall-attached water mixing valve group is provided with a rectangular groove for movably yielding the valve rod 71, the valve rod 71 is a regular quadrangular prism, and the upper end of the valve rod 71 is provided with a threaded port for installing the handle 60.

The casing of the enclosing cover of the wall-attached water mixing valve comprises an outer casing 12 and an inner casing 11, the inner casing 11 is a hollow cylinder, the inner diameter of the inner casing 11 is matched with the outer diameter of the main valve body 70, the outer casing 12 is also a hollow cylinder, and the bottom space is used for accommodating and shielding the cold water inlet, the hot water inlet and the water outlet of the main valve body 70.

The adjusting sleeve 20 is a hollow cylinder with a closed top, the inner diameter of the adjusting sleeve 20 is matched with the outer diameter of the inner shell 11, so that the adjusting sleeve 20 is rotatably sleeved on the inner shell 11, a rectangular through hole 21 is formed in the top of the adjusting sleeve 20, the rectangular through hole 21 is used for yielding the valve rod 71 of the water mixing valve, the width of the rectangular through hole 21 is equal to the width of the valve rod 71, the length of the rectangular through hole 21 is larger than the width of the valve rod 71 and larger than the length of a rectangular groove in the top of the main valve body 70, the adjusting sleeve 20 is prevented from interfering the valve rod 71 to adjust the water quantity, and meanwhile, the adjusting sleeve 20 can drive the valve rod 71 to rotate to adjust the temperature.

As shown in fig. 2 to 6, the gear reduction mechanism 30 includes a driving gear 31, a driven gear 34, a first intermediate gear 32 and a second intermediate gear 33, the adjusting knob 40 is disc-shaped, a circular through hole is formed in the middle of the adjusting knob 40 and is used for giving way to the adjusting knob 40, a pressing plate 50 is arranged above the adjusting knob 40, the pressing plate 50 is clamped on the outer edge of the outer shell 12, a sliding groove is formed between the pressing plate 50 and the upper surface of the upper shell and is used for limiting the adjusting knob 40, so that the adjusting knob 40 can be rotatably connected above the outer shell 12, the driving gear 31 is located on the inner side of the bottom of the adjusting knob 40 and is an external gear with an outward tooth shape, the driving gear 31 and the adjusting knob 40 can be integrally injection-molded, the first intermediate gear 32 is located at the bottom of the adjusting knob 40 (located between the driving gear 31 and the outer edge of the outer shell 12) and is meshed with the driving gear 31, the second intermediate gear 33 is coaxial with the first intermediate gear 32 (the upper surface of the outer shell 12 is provided with the circular groove, as the lower axle head of gear shaft, first intermediate gear 32 is equipped with apron 35 simultaneously, and apron 35 perhaps threaded connection is in the top in shell body 12 through the joint, and the middle part is equipped with the circular slot, as the upper axle head of gear shaft), and fixed connection is in first gear bottom (second intermediate gear 33 can make an organic whole with first intermediate gear), and second intermediate gear 33 diameter is less than first intermediate gear 32, and driven gear 34 is located adjusting sleeve 20 bottom, and driven gear 34 can be with the integrative injection moulding of adjust knob 40, and driven gear 34 meshes with second driven gear 34 mutually. The diameter of the driving gear 31 is equal to the diameter of the first intermediate gear 32, the diameters of the first intermediate gear 32 and the second intermediate gear 33 are both 20mm, the diameter of the driven gear 34 is 30mm, the transmission ratio is 3, the adjusting knob 40 rotates for 3 circles, the adjusting sleeve 20 rotates for 1 circle, and the fine adjustment function is achieved. (the transmission ratio of the gear reduction mechanism 30 can be set by increasing the number of gears or changing the size of the gears according to actual needs, and is not limited to the specific size and structure in the embodiment).

Further, as shown in fig. 7, three sets of gear reduction mechanisms 30 are provided, and a plurality of sets of gear reduction mechanisms 30 are symmetrically arranged below the adjusting knob 40, so that the strength of the gear reduction mechanisms can be increased by providing the three sets of gear reduction mechanisms 30, and meanwhile, the failure of the mechanisms caused by the damage of the single set of gear reduction mechanisms 30 is avoided, and the stability of the structure is improved.

Further, the housing of the mixing valve further comprises a clutch mechanism, and the clutch mechanism is connected between the speed reducing mechanism and the adjusting sleeve 20 or is located in the speed reducing mechanism. The clutch mechanism is used for connecting or separating power between the adjusting knob 40 and the adjusting sleeve 20, when fine adjustment is needed, the clutch mechanism can be started to connect transmission between the adjusting knob 40 and the adjusting sleeve 20 for fine adjustment, when coarse adjustment is needed, transmission between the adjusting sleeve 20 and the adjusting knob 40 is connected, the handle 60 is used for adjustment, and through switching between coarse adjustment and fine adjustment, temperature adjustment precision is guaranteed, and meanwhile temperature adjustment efficiency can be greatly improved. Specifically, the first intermediate gear 32 and the second intermediate coaxial shaft 36 are connected with the coaxial shaft 36 in a key mode, and the long key is arranged on the coaxial shaft 36, so that the second intermediate gear 33 can axially move along the coaxial shaft 36, the driven wheel is separated from and connected with the second intermediate gear 33 during axial movement, meanwhile, the axial sliding of the second intermediate gear 33 is controlled by a shifting lever, and one end of the shifting lever extends to the outer side of the outer shell 12, and operation is facilitated.

Further, an overload protection mechanism is included, which is arranged between the speed reducing mechanism and the adjusting sleeve 20 or in the speed reducing mechanism, and the overload protection device is used for separating transmission between the adjusting knob and the adjusting sleeve when the speed reducing mechanism is overloaded, so as to avoid overload failure of the speed reducing mechanism. Specifically, elastic blocking pieces are arranged on two sides of the coaxial bottom shaft ends of the first intermediate gear 32 and the second intermediate gear 33, when transmission between the adjusting gear and the adjusting sleeve 20 is not separated, when the handle 60 is rotated to a large extent to adjust the temperature, reverse rotation overload can be caused, the radial force applied to the coaxial shaft can be increased sharply, at the moment, the elastic blocking pieces on the two sides of the bottom shaft end deform under the action of the coaxial radial force, so that the coaxial shaft deviates, the second intermediate gear 33 cannot be meshed with a driven wheel, at the moment, the transmission fails, the driven shaft idles, the purpose of protecting the speed reducing mechanism is achieved, and when the handle 60 is not rotated any more, the second intermediate gear 33 resets under the action of the elastic blocking pieces.

Further, the housing of the mixing valve further comprises a positioning mechanism, the positioning mechanism is connected with the adjusting sleeve 20, and the positioning mechanism is used for fixing the adjusting sleeve 20. Positioning mechanism adopts the location knob, side at adjusting sleeve 20 is equipped with the location screw hole, the location knob passes through threaded connection on the location screw hole, during the rotational positioning knob, location knob one end supports interior casing 11 lateral wall, make relatively fixed between adjusting sleeve 20 and the interior casing 11, adjusting sleeve 20 can't rotate, restrict valve rod 71 and transversely rotate simultaneously, when using handle 60 regulating pondage size like this, just can not be because of the application of force is inhomogeneous, lead to handle 60 to take place lateral deviation, lead to the hot and cold water proportion to change, the delivery port temperature changes, change the temperature that originally debugged, can effectively avoid leading to the temperature to change because of the size of regulating pondage, need follow the problem of new debugging.

The during operation, through rotating adjust knob 40, adjust knob 40 passes through gear reduction mechanism 30 and drives adjusting sleeve 20 and rotate, and the rectangle through-hole 21 at adjusting sleeve 20 top drives valve rod 71 and rotates, and adjust knob 40's rotation angle passes through reduction mechanism's speed reduction for valve rod 71's rotation angle diminishes, improves the precision that adjusts the temperature, realizes the function of fine setting, can adjust the temperature of adaptation convenient and fast ground, improves the experience of bathing, avoids extravagant water resource. Meanwhile, the whole structure does not need to change the structure of the original water mixing valve main valve body 70, the existing water mixing valve main valve body 70 can be additionally installed by replacing the shell, the function of the main valve body 70 is not affected, and the water mixing valve is simple in structure, economical and practical.

In other embodiments, the clutch mechanism may also adopt a dog clutch, the first intermediate gear 32 is connected to the bottom of the cover plate 35 by separating the first intermediate gear 32 from the second intermediate gear 33, the upper half clutch is arranged at the bottom of the first intermediate gear 32, the lower half clutch is arranged at the top of the second gear, the first intermediate gear 32 is connected to the bottom of the cover plate 35, the second intermediate gear 33 is connected to the outer housing 12 in a sliding manner, and the second intermediate gear 33 is shifted by a shift lever to move axially, so that the upper half clutch and the lower half clutch are engaged or disengaged. Or a ratchet clutch can also be adopted, namely a first intermediate gear 32 and a second intermediate gear 33 are connected on the same shaft through bearings, a pawl is arranged at the bottom of the first intermediate gear 32, a ratchet is arranged at the top of the second intermediate gear 33, and the pawl is shifted through a shifting rod, so that the power transmission and the power separation of the second intermediate gear 33 and the second intermediate gear 33 are realized.

In other embodiments, the speed reducing mechanism is a worm and gear speed reducing mechanism, which includes a worm gear and a worm gear, the worm gear is located at the bottom of the adjusting sleeve 20, the worm gear is rotatably connected to the outer casing 12, the worm gear is matched with the screw rod, and the adjusting knob 40 is connected to one end of the worm gear and located in front of the outer casing 12. The purpose of improving the temperature regulation precision can be achieved through the worm and gear speed reducing mechanism, the structure is simple, the clutch mechanism and the overload protection mechanism are arranged in the worm and gear speed reducing mechanism, the purposes of power separation and overload protection are achieved, and the worm and gear are prevented from being damaged and losing efficacy. In the worm gear and worm speed reducing mechanism, the clutch mechanism can adopt a mode of separating the worm wheel, namely, the worm wheel is connected with the adjusting sleeve 20 through a key, and the worm wheel moves axially by moving the worm wheel to separate the worm wheel and the worm so as to achieve the purpose of separating transmission.

In other embodiments, as shown in fig. 8 and 9, a mixing valve is provided, which includes a valve body, a valve rod 71 and the housing of the mixing valve of the above embodiments, the top of the valve body is provided with an opening, the valve rod 71 is located at the top of the valve body and is provided with the opening, the width of the top rectangular through hole 21 of the adjusting knob 40 is greater than the width of the valve rod 71, the length of the rectangular through hole 21 is greater than the length of the top opening of the valve body, and the inner housing 11 of the mixing valve is sleeved on the valve body. Further, the outer shell 12 of the water mixing valve is fixedly connected to the valve body in a clamping manner, that is, a buckle is arranged on the inner side of the outer shell 12, a clamping groove is arranged on the main valve body 70 of the water mixing valve, and the outer shell of the water mixing valve and the main valve body 70 are fixed together in a clamping manner, so that the relative movement between the outer shell and the main valve body 70 is avoided, and the temperature adjustment precision of the adjusting knob 40 is reduced.

Further, the cold water inlet and the hot water inlet of the mixing valve are both arc-shaped, and the middle parts of the mixing valve are overlapped with each other, so that the temperature adjustment precision of the main valve body 70 can be increased.

In the description of the above embodiments, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

It should be noted that, although the above embodiments have been described herein, the invention is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments herein or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present invention.

Claims

1. The utility model provides an outer shell of mixing water valve, its characterized in that, includes casing, adjusting sleeve, adjust knob and reduction gears, the casing includes shell body and interior casing, adjusting sleeve rotationally overlaps and establishes on interior casing, the adjusting sleeve top is equipped with the rectangle through-hole, the rectangle through-hole is used for stepping down for mixing water valve's valve rod, adjust knob installs on the casing, adjust knob passes through the speed reduction structure and is connected with the adjusting sleeve transmission.

2. The housing of a mixing valve as claimed in claim 1 wherein the speed reduction mechanism is a gear reduction mechanism.

3. The housing of a water mixing valve according to claim 2, characterized in that the gear reduction mechanism comprises a driving gear, a driven gear, a first intermediate gear and a second intermediate gear, the adjusting knob is disc-shaped, a circular through hole is formed in the middle of the adjusting knob and used for yielding the adjusting knob, the adjusting knob is rotatably connected above the housing body, the driving gear is located on the inner side of the bottom of the adjusting knob, the first intermediate gear is located at the bottom of the adjusting knob and meshed with the driving gear, the second intermediate gear is coaxial with the first intermediate gear and fixedly connected to the bottom of the first gear, the diameter of the second intermediate gear is smaller than that of the first intermediate gear, the driven gear is located at the bottom of the adjusting sleeve, and the driven gear is meshed with the second driven gear.

4. The housing of a mixing valve as claimed in claim 3, wherein there are multiple sets of gear reduction mechanisms, and the multiple sets of gear reduction mechanisms are symmetrically disposed below the adjusting knob.

5. The housing of a mixing valve according to claim 1, wherein the speed reducing mechanism is a worm and gear speed reducing mechanism, the worm and gear speed reducing mechanism comprises a worm and gear, the worm and gear is located at the bottom of the adjusting sleeve, the worm and gear are rotatably connected to the housing, the worm and gear are matched with the screw, and the adjusting knob is connected to one end of the worm and located in front of the housing.

6. The housing of a mixing valve according to claim 1, further comprising a clutch mechanism connected between the speed reduction mechanism and the adjustment sleeve or located within the speed reduction mechanism.

7. The housing of a mixing valve according to claim 1, further comprising a positioning mechanism, wherein the positioning mechanism is connected to the adjusting sleeve, and the positioning mechanism is used for fixing the adjusting sleeve.

8. The housing of a mixing valve according to claim 1, further comprising an overload protection mechanism, wherein the overload protection mechanism is arranged between the speed reduction mechanism and the adjustment sleeve or in the speed reduction mechanism.

9. A water mixing valve is characterized by comprising a valve body, a valve rod and a shell of the water mixing valve as claimed in any one of the claims 1 to 8, wherein an opening is formed in the top of the valve body, the valve rod is positioned in the opening formed in the top of the valve body, the width of a rectangular through hole in the top of an adjusting knob is larger than that of the valve rod, the length of the rectangular through hole is larger than that of the opening in the top of the valve body, and an inner shell of the water mixing valve is sleeved on the valve body.

10. The mixing valve of claim 9, wherein the outer housing of the mixing valve is fixedly connected to the main valve body by means of a snap fit.