Waterway diverter valve capable of micro-controlling flow

Abstract

The utility model relates to the technical field of valves, in particular to a waterway diverter valve capable of micro-controlling flow, which comprises an upper cover and a valve body, a fixed ceramic is fixed in the valve body, a water inlet, a first water outlet, a second water outlet and a third water outlet are arranged on the fixed ceramic, and a water inlet, a first water outlet, a second water outlet and a third water outlet are arranged at the bottom end of the valve body. The water inlet is communicated with the water inlet hole, the first water outlet is communicated with the first water outlet hole, the second water outlet is communicated with the second water outlet hole, and the third water outlet is communicated with the third water outlet hole; a first flow guide groove is formed in the fixed ceramic, and the width of the first flow guide groove is gradually reduced from one end close to the first water outlet hole to the other end; a second flow guide groove is formed in the fixed ceramic, and the width of the second flow guide groove is gradually reduced from one end close to the second water outlet hole to the other end; a movable ceramic is arranged in the valve body and abuts against the fixed ceramic, and a strip-shaped groove is formed in the bottom end of the movable ceramic. A driving device is installed on the upper cover. According to the diverter valve, the water yield of the water outlet of the waterway diverter valve is easier to adjust.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to a micro - controllable flow water - path shunt valve. Background Technique

[0002] The water - path shunt valve is a commonly used device in water dispensers. The existing water - path shunt valves are mainly ball - valve structures, which realize the opening and closing of the water outlet by the contact or non - contact between the valve core and the water outlet. It is not easy to adjust the water flow rate at the water outlet of the water - path shunt valve with this structure. Content of the Utility Model

[0003] Aiming at the problems existing in the above - mentioned prior art, the utility model provides a micro - controllable flow water - path shunt valve to solve the above - mentioned technical problems.

[0004] In order to achieve the above - mentioned utility model purpose, the technical solution provided by the utility model is as follows:

[0005] A micro - controllable flow water - path shunt valve, comprising an upper cover and a valve body. The upper cover is connected to the valve body. A fixed ceramic is fixed inside the valve body. An inlet hole, a first outlet hole, a second outlet hole and a third outlet hole are arranged on the fixed ceramic. An inlet port, a first outlet port, a second outlet port and a third outlet port are arranged at the bottom end of the valve body. The inlet port is communicated with the inlet hole, the first outlet port is communicated with the first outlet hole, the second outlet port is communicated with the second outlet hole, and the third outlet port is communicated with the third outlet hole. The inlet hole is located at the center of the fixed ceramic. The first outlet hole, the second outlet hole and the third outlet hole are circumferentially arranged around the inlet hole. A first diversion groove is arranged at the position corresponding to the first outlet hole on the fixed ceramic. The first diversion groove is an arc - shaped groove and is concentric with the inlet hole. The width of the first diversion groove gradually becomes smaller from one end close to the first outlet hole to the other end. A second diversion groove is arranged at the position corresponding to the second outlet hole on the fixed ceramic. The second diversion groove is an arc - shaped groove and is concentric with the inlet hole. The width of the second diversion groove gradually becomes smaller from one end close to the second outlet hole to the other end. A moving ceramic is arranged inside the valve body. The moving ceramic abuts against the fixed ceramic from above. A strip - shaped groove is arranged at the bottom end of the moving ceramic. One end of the strip - shaped groove is communicated with the inlet hole, and the other end is located outside the first outlet hole, the second outlet hole and the third outlet hole or is flush with the outer side surfaces of the first outlet hole, the second outlet hole and the third outlet hole. A driving device for driving the moving ceramic to rotate is installed on the upper cover.

[0006] Preferably, the diameters of the first water outlet hole and the second water outlet hole are the same; both sides of the first diversion groove coincide at one end far from the first water outlet hole; both sides of the second diversion groove coincide at one end far from the second water outlet hole; the length of the first diversion groove is less than the length of the second diversion groove.

[0007] Preferably, the end with a larger width of the second diversion groove is close to the end with a larger width of the first diversion groove.

[0008] Preferably, a second water inlet hole, a fourth water outlet hole, a fifth water outlet hole and a sixth water outlet hole are arranged on the bottom surface inside the valve body. The second water inlet hole is communicated with the water inlet, the fourth water outlet hole is communicated with the first water outlet, the fifth water outlet hole is communicated with the second water outlet, and the sixth water outlet hole is communicated with the third water outlet; the second water inlet hole is arranged corresponding to the water inlet hole, the fourth water outlet hole is arranged corresponding to the first water outlet hole, the fifth water outlet hole is arranged corresponding to the second water outlet hole, and the sixth water outlet hole is arranged corresponding to the third water outlet hole; a notch is circumferentially arranged on the fixed ceramic, and a limiting protrusion matching the notch is arranged on the inner surface of the valve body corresponding to the notch; the fixed ceramic abuts against the bottom surface of the valve body; a sealing gasket is arranged between the fixed ceramic and the bottom surface of the valve body, and through holes are arranged on the sealing gasket corresponding to the positions of the second water inlet hole, the fourth water outlet hole, the fifth water outlet hole and the sixth water outlet hole.

[0009] Preferably, the sealing gasket is a rubber gasket or a silica gel gasket.

[0010] Preferably, a moving ceramic gland is arranged inside the valve body. The moving ceramic gland abuts against the moving ceramic from above, and the upper cover abuts against the moving ceramic gland; a fixing groove is arranged on the moving ceramic, and a raised block matching the fixing groove is arranged on the moving ceramic gland. The raised block is inserted into the fixing groove; the driving device is a motor fixed on the upper cover, and the motor is key-connected with the moving ceramic gland.

[0011] Preferably, a connecting key is arranged inside the upper cover. The connecting key includes a connecting part and an inserting part. The connecting part is detachably connected with the motor; a stepped hole is arranged on the upper cover. The diameter of the stepped hole is larger than the width of the inserting part. A first sealing ring is arranged in the stepped hole. The connecting part presses the first sealing ring in the stepped hole, and the motor presses the connecting part against the upper cover; a key groove is arranged on the moving ceramic gland, and the inserting part passes through the stepped hole and is inserted into the key groove.

[0012] Preferably, the inserting part is a flat key.

[0013] Preferably, a positioning ring is also sleeved on the connecting portion, and the positioning ring is fixed on the upper cover.

[0014] Preferably, a second sealing ring is arranged at the connection position of the upper cover and the valve body.

[0015] When the micro-controllable flow water path diverter valve provided by the present utility model is in use, raw water enters from the water inlet, and the driving device drives the moving ceramic to rotate to switch the water outlet direction of the water path. Three water outlet directions, namely the first water outlet, the second water outlet, and the third water outlet, are set. When it rotates to the center of the corresponding water outlet hole, it is a direct flow with the maximum flow rate. Among them, diversion grooves that gradually increase from small to large are arranged at the first water outlet hole and the second water outlet hole, which can realize the function of finely adjusting the size of the water outlet flow rate, making it easier to adjust the size of the water output at the water outlet of the water path diverter valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 FIG. 1 shows one of the structural schematic diagrams of the micro-controllable flow water path diverter valve in the embodiment;

[0017] Figure 2 FIG. 2 shows another structural schematic diagram of the micro-controllable flow water path diverter valve in the embodiment;

[0018] Figure 3 FIG. 3 shows the external structural schematic diagram of the micro-controllable flow water path diverter valve in the embodiment;

[0019] Figure 4 FIG. 4 shows the internal structural schematic diagram of the micro-controllable flow water path diverter valve in the embodiment;

[0020] Figure 5 FIG. 5 shows the structural schematic diagram of the fixed ceramic in the embodiment;

[0021] Figure 6 FIG. 6 shows the structural schematic diagram of the moving ceramic in the embodiment;

[0022] Figure 7 FIG. 7 shows the connection structural schematic diagram of the moving ceramic gland and the moving ceramic;

[0023] Figure 8 FIG. 8 shows the structural schematic diagram of the valve body in the embodiment;

[0024] Figure 9 FIG. 9 shows the structural schematic diagram of the upper cover in the embodiment;

[0025] Reference signs in the drawings:

[0026] Upper cover 1, stepped hole 1-1, valve body 2, water inlet 2-1, first water outlet 2-2, second water outlet 2-3, third water outlet 2-4, limit protrusion 2-5, second water inlet hole 2-6, fourth water outlet hole 2-7, fifth water outlet hole 2-8, sixth water outlet hole 2-9, fixed ceramic 3, water inlet hole 3-1, first water outlet hole 3-2, second water outlet hole 3-3, third water outlet hole 3-4, first diversion groove 3-5, second diversion groove 3-6, notch 3-7, moving ceramic 4, strip groove 4-1, fixed groove 4-2, gasket 5, moving ceramic gland 6, protrusion block 6-1, keyway 6-2, motor 7, first sealing ring 8, second sealing ring 9, connecting key 10, connecting portion 10-1, insertion portion 10-2, positioning ring 11. Detailed implementation mode

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work belong to the scope of protection of the present invention.

[0028] Embodiment, please refer to Figures 1-9, this application provides a differentiable flow control waterway shunt valve, including an upper cover 1 and a valve body 2. The upper cover is connected to the valve body. A fixed ceramic 3 is fixed inside the valve body. An inlet hole 3-1, a first outlet hole 3-2, a second outlet hole 3-3, and a third outlet hole 3-4 are provided on the fixed ceramic. An inlet port 2-1, a first outlet port 2-2, a second outlet port 2-3, and a third outlet port 2-4 are provided at the bottom end of the valve body. The inlet port is communicated with the inlet hole, the first outlet port is communicated with the first outlet hole, the second outlet port is communicated with the second outlet hole, and the third outlet port is communicated with the third outlet hole; the inlet hole is located at the central position of the fixed ceramic, and the first outlet hole, the second outlet hole, and the third outlet hole are circumferentially arranged around the inlet hole; a first diversion groove 3-5 is provided at the position corresponding to the first outlet hole on the fixed ceramic. The first diversion groove is an arc-shaped groove and is concentric with the inlet hole. The width of the first diversion groove gradually decreases from the end close to the first outlet hole to the other end; a second diversion groove 3-6 is provided at the position corresponding to the second outlet hole on the fixed ceramic. The second diversion groove is an arc-shaped groove and is concentric with the inlet hole. The width of the second diversion groove gradually decreases from the end close to the second outlet hole to the other end; a moving ceramic 4 is arranged inside the valve body. The moving ceramic abuts against the fixed ceramic from above. A strip-shaped groove 4-1 is provided at the bottom end of the moving ceramic. One end of the strip-shaped groove is communicated with the inlet hole, and the other end is located outside the first outlet hole, the second outlet hole, and the third outlet hole or is flush with the outer side surfaces of the first outlet hole, the second outlet hole, and the third outlet hole; a driving device for driving the moving ceramic to rotate is installed on the upper cover. Among them, the driving device can use the existing structure. In this embodiment, the driving device is a motor 7, and the motor is connected to the moving ceramic. The following is a preferred connection method between the motor and the moving ceramic:

[0029] A moving ceramic gland 6 is arranged inside the valve body. The moving ceramic gland abuts against the moving ceramic from above, and the upper cover abuts against the moving ceramic gland; a fixing groove 4-2 is provided on the moving ceramic, and a raised block 6-1 matching the fixing groove is provided on the moving ceramic gland. The raised block is inserted into the fixing groove; the motor is fixed on the upper cover and is key-connected to the moving ceramic gland; during manufacturing, a connection key 10 can be arranged inside the upper cover. The connection key includes a connection part 10-1 and an insertion part 10-2. The connection part is detachably connected to the motor. Generally, the connection part and the motor can also use the key connection method. By arranging the moving ceramic gland, the machining at the key connection position of the moving ceramic can be reduced, which is beneficial to protecting the moving ceramic.

[0030] As a preferred embodiment, the diameters of the first water outlet hole and the second water outlet hole are the same; both sides of the first diversion groove coincide at one end away from the first water outlet hole; both sides of the second diversion groove coincide at one end away from the second water outlet hole; the length of the first diversion groove is less than the length of the second diversion groove. During actual production, the diameter of the third water outlet hole can be less than or equal to the diameter of the second water outlet hole; the wider end of the second diversion groove is close to the wider end of the first diversion groove.

[0031] As an embodiment, a second water inlet hole 2-6, a fourth water outlet hole 2-7, a fifth water outlet hole 2-8 and a sixth water outlet hole 2-9 are arranged on the bottom surface inside the valve body. The second water inlet hole is communicated with the water inlet, the fourth water outlet hole is communicated with the first water outlet, the fifth water outlet hole is communicated with the second water outlet, and the sixth water outlet hole is communicated with the third water outlet; the second water inlet hole is correspondingly arranged with the water inlet hole, the fourth water outlet hole is correspondingly arranged with the first water outlet hole, the fifth water outlet hole is correspondingly arranged with the second water outlet hole, and the sixth water outlet hole is correspondingly arranged with the third water outlet hole; two or three notches 3-7 are circumferentially arranged on the fixed ceramic, and limiting protrusions 2-5 matching the notches are arranged on the inner surface of the valve body corresponding to the positions of the notches; the fixed ceramic abuts against the bottom surface of the valve body; a sealing gasket 5 is arranged between the fixed ceramic and the bottom surface of the valve body, and through holes are arranged on the sealing gasket corresponding to the positions of the second water inlet hole, the fourth water outlet hole, the fifth water outlet hole and the sixth water outlet hole. Among them, the sealing gasket is a rubber gasket or a silica gel gasket, and this structure causes water leakage between the fixed ceramic and the bottom surface of the valve body.

[0032] As an embodiment, a stepped hole 1-1 is arranged on the upper cover. The diameter of the stepped hole is larger than the width of the insertion part. A first sealing ring 8 is arranged in the stepped hole. The connecting part presses the first sealing ring in the stepped hole, and the motor presses the connecting part against the upper cover. During production, the motor can be connected to the upper cover by bolts. Of course, the upper cover can also be connected to the valve body by bolts. The upper cover and the valve body can be connected separately by bolts, or the bolts can pass through the connecting part of the motor and the connecting part of the upper cover in sequence and then be connected to the valve body. This is well known to those skilled in the art and will not be elaborated here; during actual production, a keyway 6-2 is arranged on the moving ceramic gland, and the insertion part passes through the stepped hole and is inserted into the keyway. Among them, the insertion part is preferably a flat key. A second sealing ring 9 is preferably arranged at the connecting position of the upper cover and the valve body.

[0033] As an embodiment, a positioning ring 11 is also sleeved on the connecting part, and the positioning ring is fixed on the upper cover. The positioning ring can use an existing structure. In this embodiment, the positioning ring preferably uses a positioning electronic control board to facilitate controlling the operation of the motor.

[0034] The principle of the above-mentioned differentiable flow control waterway diverter valve is as follows:

[0035] Raw water enters from the water inlet, and the motor drives the moving ceramic to rotate to switch the water outlet direction of the waterway. Three water outlet directions, namely the first water outlet, the second water outlet, and the third water outlet, are set. When it rotates to the center of the corresponding water outlet hole, it is a direct flow with the maximum flow rate. A flow guiding groove that gradually increases from small to large is provided at the first water outlet hole and the second water outlet hole, which can realize the function of finely adjusting the size of the water outlet flow rate, making it easier to adjust the size of the water output volume at the water outlet of the waterway diverter valve.

[0036] It should be noted that phrases such as "an embodiment", "embodiments", "exemplary embodiments", "some embodiments", etc. mentioned in the specification indicate that the described embodiments may include specific features, structures, or characteristics, but not necessarily every embodiment includes such specific features, structures, or characteristics. In addition, such phrases do not necessarily refer to the same embodiment. Moreover, when combining specific features, structures, or characteristics with an embodiment, it is within the knowledge scope of those skilled in the art to implement such features, structures, or characteristics in combination with other embodiments, whether explicitly or implicitly described.

[0037] It should be easily understood that the terms "on", "above", and "over" in this disclosure should be interpreted in the broadest manner, such that "on" not only means "directly on something", but also includes the meaning of "on something" with intermediate features or layers therebetween, and "above" or "over" not only includes the meaning of "above" or "over something", but may also include the meaning of "above" or "over something" with no intermediate features or layers therebetween (i.e., directly on something).

[0038] In addition, for the convenience of description, spatial relative terms such as "below", "beneath", "under", "above", "over", etc. may be used in the text to describe the relationship of one element or feature relative to other elements or features as shown in the figure. Spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation shown in the drawings. The device may have other orientations (rotated 90 degrees or in other orientations), and the spatial relative descriptive words used in the text may be interpreted accordingly.

[0039] It should be noted that in this text, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the phrase "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising said element.

[0040] Although the embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present utility model, and the scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A differentiable flow control waterway shunt valve, comprising an upper cover (1) and a valve body (2), the upper cover and the valve body being connected, characterized in that, A fixed ceramic (3) is fixed inside the valve body. An inlet hole (3-1), a first outlet hole (3-2), a second outlet hole (3-3), and a third outlet hole (3-4) are provided on the fixed ceramic. An inlet port (2-1), a first outlet port (2-2), a second outlet port (2-3), and a third outlet port (2-4) are provided at the bottom end of the valve body. The inlet port is communicated with the inlet hole, the first outlet port is communicated with the first outlet hole, the second outlet port is communicated with the second outlet hole, and the third outlet port is communicated with the third outlet hole; The inlet hole is located at the central position of the fixed ceramic, and the first outlet hole, the second outlet hole, and the third outlet hole are circumferentially arranged with the inlet hole as the center; A first diversion groove (3-5) is provided at the position corresponding to the first outlet hole on the fixed ceramic. The first diversion groove is an arc-shaped groove and is concentric with the inlet hole. The width of the first diversion groove gradually becomes smaller from one end close to the first outlet hole to the other end; A second diversion groove (3-6) is provided at the position corresponding to the second outlet hole on the fixed ceramic. The second diversion groove is an arc-shaped groove and is concentric with the inlet hole. The width of the second diversion groove gradually becomes smaller from one end close to the second outlet hole to the other end; A moving ceramic (4) is arranged inside the valve body. The moving ceramic abuts against the fixed ceramic from above. A strip-shaped groove (4-1) is provided at the bottom end of the moving ceramic. One end of the strip-shaped groove is communicated with the inlet hole, and the other end is located outside the first outlet hole, the second outlet hole, and the third outlet hole or is flush with the outer side surfaces of the first outlet hole, the second outlet hole, and the third outlet hole; A driving device for driving the moving ceramic to rotate is installed on the upper cover.

2. The differentiable flow control waterway shunt valve according to claim 1, wherein The diameters of the first outlet hole and the second outlet hole are the same; Both sides of the first diversion groove coincide at one end far from the first outlet hole; Both sides of the second diversion groove coincide at one end far from the second outlet hole; The length of the first diversion groove is less than the length of the second diversion groove.

3. The differentiable flow control waterway shunt valve according to claim 1, characterized in that, The end with a larger width of the second diversion groove is close to the end with a larger width of the first diversion groove.

4. A differentiable flow control waterway shunt valve according to claim 1, characterized in that, A second inlet hole (2-6), a fourth outlet hole (2-7), a fifth outlet hole (2-8), and a sixth outlet hole (2-9) are provided on the bottom surface inside the valve body. The second inlet hole is communicated with the inlet port, the fourth outlet hole is communicated with the first outlet port, the fifth outlet hole is communicated with the second outlet port, and the sixth outlet hole is communicated with the third outlet port; The second inlet hole is correspondingly arranged with the inlet hole, the fourth outlet hole is correspondingly arranged with the first outlet hole, the fifth outlet hole is correspondingly arranged with the second outlet hole, and the sixth outlet hole is correspondingly arranged with the third outlet hole; A notch (3-7) is circumferentially arranged on the fixed ceramic, and a limit protrusion (2-5) matching the notch is arranged on the inner surface of the valve body corresponding to the notch; The fixed ceramic abuts against the bottom surface of the valve body; A gasket (5) is provided between the fixed ceramic and the bottom surface of the valve body, and through holes are provided in the gasket corresponding to the positions of the second water inlet hole, the fourth water outlet hole, the fifth water outlet hole, and the sixth water outlet hole.

5. The differentiable flow control waterway shunt valve according to claim 4, characterized in that, The gasket is a rubber gasket or a silica gel gasket.

6. The differentiable flow control waterway shunt valve according to claim 1, wherein A moving ceramic gland (6) is provided inside the valve body. The moving ceramic gland presses against the moving ceramic from above, and the upper cover presses against the moving ceramic gland. A fixing groove (4-2) is provided on the moving ceramic, and a raised block (6-1) matching the fixing groove is provided on the moving ceramic gland. The raised block is inserted into the fixing groove. The driving device is a motor (7) fixed on the upper cover, and the motor is key-connected to the moving ceramic gland.

7. The differentiable flow control waterway shunt valve according to claim 6, wherein A connecting key (10) is provided inside the upper cover. The connecting key includes a connecting portion (10-1) and an inserting portion (10-2), and the connecting portion is detachably connected to the motor. A stepped hole (1-1) is provided on the upper cover. The diameter of the stepped hole is larger than the width of the inserting portion. A first sealing ring (8) is provided in the stepped hole. The connecting portion presses the first sealing ring in the stepped hole, and the motor presses the connecting portion against the upper cover. A key groove (6-2) is provided on the moving ceramic gland, and the inserting portion passes through the stepped hole and is inserted into the key groove.

8. The differentiable flow control waterway shunt valve according to claim 7, wherein The inserting portion is a flat key.

9. The differentiable flow control waterway shunt valve according to claim 7, wherein, A positioning ring (11) is also sleeved on the connecting portion, and the positioning ring is fixed on the upper cover.

10. The differentiable flow control waterway diverter valve according to claim 1, characterized in that, A second sealing ring (9) is provided at the connection position between the upper cover and the valve body.

Images