Water mixing three-way valve

Abstract

The water mixing three-way valve comprises a valve body, a motor and a valve rod, the valve body comprises a first connector, a second connector, a third connector and a fourth connector, the third connector is communicated with the fourth connector, the second connector is communicated with or disconnected from the fourth connector, the motor is installed at the position of the first connector, one end of the valve rod is connected with the motor, and the motor can drive the valve rod to move. The end, away from the motor, of the valve rod can block the end, located in the valve body, of the second connector or break away from the end, located in the valve body, of the second connector. The valve body is provided with the second connector, the third connector and the fourth connector, the valve body can be independently connected with a water pipe, external connection of the three-way valve is achieved, the valve rod is driven by the motor to move, cold water and hot water can be mixed, and therefore the externally-arranged water mixing structure which can be independently installed is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a three-way valve more particularly to a water mixing three-way valve. BACKGROUND

[0002] In the wall-hanging stove waterway, the three-way valve is an indispensable component, and the cold and hot water can be mixed through the three-way valve, so that the water temperature adjustment is realized. At present, the three-way valve is mostly integrated in the outlet valve of the wall-hanging stove, that is, the three-way valve and the outlet valve are integrated. Although this way is convenient for the layout of the waterway and makes the structure more compact, it has the problems of difficult maintenance of the three-way valve and adjustment of the waterway in the later period. Therefore, it is urgent to design a water mixing three-way valve which can be installed separately. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at overcoming the defects of the prior art, providing a water mixing three-way valve, which can be connected with the water pipe separately by setting the second interface, the third interface and the fourth interface on the valve body, realize the external connection of the three-way valve, and realize the mixing of cold and hot water by moving the valve rod driven by the motor, so that the external water mixing structure which can be installed separately is realized.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a water mixing three-way valve, comprising a valve body, a motor and a valve rod, the valve body comprises a first interface, a second interface, a third interface and a fourth interface, the third interface and the fourth interface are communicated, the second interface is communicated with or blocked with the fourth interface, the motor is installed at the first interface, one end of the valve rod is connected with the motor, the motor can drive the valve rod to move, so that the end of the valve rod away from the motor can plug or separate from the end of the second interface in the valve body.

[0005] Further, the valve rod comprises a first boss, the first boss is provided with an annular groove on the side, a sealing gasket is sleeved in the annular groove, and the sealing gasket can abut or separate from the end of the second interface in the valve body.

[0006] Further, a guide sleeve is arranged in the second interface, a plurality of connecting ribs are connected between the side surface of the guide sleeve and the inner wall of the second interface, a water passing port is formed between two adjacent connecting ribs, a guide shaft is arranged at the lower part of the first boss, and the guide shaft penetrates through the guide sleeve and can move along the guide sleeve.

[0007] Further, a valve sleeve is sleeved outside the valve rod, the valve sleeve is fixed in the first interface, the valve rod comprises a threaded part, a guide column is arranged at the lower part of the threaded part, the valve sleeve comprises a threaded hole and a sealing groove below the threaded hole, the cross-sectional dimension of the sealing groove is larger than that of the threaded hole, the threaded part and the threaded hole are connected through threads, so that the valve rod can rotate and lift, and the guide column is sealingly matched with the inner wall of the sealing groove.

[0008] Further, the guide column is sleeved with a first sealing ring outside, and the first sealing ring is in sealing cooperation with the inner wall of the sealing groove.

[0009] Further, the valve sleeve comprises a supporting table, the supporting table is inserted into the first interface, the lower part of the supporting table is provided with a second boss, the second boss is sleeved with a second sealing ring outside, the second sealing ring is in sealing cooperation with the inner wall of the first interface.

[0010] Further, the lower part of the second boss is provided with an annular rib, the sealing groove is located in the annular rib, the annular rib is sleeved with a bushing outside, the inner wall of the first interface is provided with a shoulder, the lower part of the bushing abuts against the upper part of the shoulder and the upper part of the bushing abuts against the lower part of the second boss.

[0011] Further, the upper part of the first interface is fixed with a cover plate, the cover plate comprises a limiting hole, the upper part of the supporting table is provided with a limiting table, the limiting table is inserted into the limiting hole for limiting, the cross sections of the limiting hole and the limiting table are all non-circular.

[0012] Further, the cover plate is fixed with the valve body through screws, and the cross sections of the limiting hole and the limiting table are D-shaped.

[0013] Further, the valve rod comprises a connecting head, the connecting head is connected with a motor, and the motor is fixed with the cover plate through screws.

[0014] In conclusion, the utility model has the following beneficial effects:

[0015] By arranging the second interface, the third interface and the fourth interface in the valve body, the water pipe can be directly connected, the motor can drive the valve rod to move, the mixed water in the connecting pipeline can be realized, the maintenance is convenient, the pipeline can be refitted, and the use demand of the family can be met. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the embodiment;

[0017] Figure 2 It is an explosion view of the embodiment;

[0018] Figure 3 It is a sectional view of the embodiment;

[0019] Figure 4 It is Figure 3 It is an enlarged view at A;

[0020] Figure 5 It is Figure 3 It is an enlarged view at B.

[0021] : 1, valve body; 11, first interface; 12, second interface; 13, third interface; 14, fourth interface; 15, guide sleeve; 16, connecting rib; 17, water passage; 18, shoulder; 2, motor; 3, cover plate; 31, limiting hole; 4, valve rod; 41, threaded part; 42, guide column; 43, first boss; 431, annular groove; 44, guide shaft; 45, connecting head; 5, valve sleeve; 51, threaded hole; 52, sealing groove; 53, support table; 54, limiting table; 55, second boss; 56, annular rib; 6, sealing gasket; 7, first sealing ring; 8, bushing; 9, second sealing ring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] As Figures 1 to 5 shown, the embodiment discloses a water mixing tee valve, which comprises a valve body 1, a motor 2 and a valve rod 4, the valve body 1 comprises a first interface 11, a second interface 12, a third interface 13 and a fourth interface 14, the third interface 13 is communicated with the fourth interface 14, the second interface 12 is communicated with or blocked from the fourth interface 14, and the second interface 12 is communicated with or blocked from the third interface 13.

[0024] The second interface 12, the third interface 13 and the fourth interface 14 are all used for connecting water pipes, the second interface 12 is a water inlet, one of the third interface 13 and the fourth interface 14 is a water inlet and the other is a water outlet, when the fourth interface 14 is the water outlet, the second interface 12 is connected with a hot water inlet pipe, the third interface 13 is connected with a cold water inlet pipe, and the fourth interface 14 is connected with a water outlet pipe, if the second interface 12 is blocked from the fourth interface 14, cold water at the third interface 13 directly flows out from the fourth interface 14, and the water outlet pipe is filled with cold water; if the second interface 12 is communicated with the fourth interface 14, cold water at the third interface 13 flows into the fourth interface 14 at the same time as hot water at the second interface 12 also flows into the fourth interface 14, and cold water and hot water are mixed at the fourth interface 14, so that the water in the water outlet pipe is warm water, i.e. mixed water.

[0025] The motor 2 is installed at the first interface 11, one end of the valve rod 4 is connected with the motor 2, the valve rod 4 comprises a connecting head 45 connected with the motor 2, the motor 2 can drive the valve rod 4 to move, so that the end of the valve rod 4 away from the motor 2 can block or separate from the end of the second interface 12 in the valve body 1, the motor 2 is prior art, the connection mode of the valve rod 4 and the motor 2 is also prior art, so the specific structure is not described in the specification, by setting the second interface 12, the third interface 13 and the fourth interface 14 in the valve body 1, the water pipe can be directly connected separately, and by driving the valve rod 4 to move by the motor 2, the mixed water in the connecting pipeline can be realized, which is not only convenient to maintain, but also suitable for the modification of the pipeline, and meets the use requirements of the family.

[0026] The valve rod 4 comprises a first boss 43, an annular groove 431 is arranged on the side of the first boss 43, a sealing gasket 6 is sleeved in the annular groove 431, the sealing gasket 6 can abut or separate from the end of the second interface 12 in the valve body 1, a guide sleeve 15 is arranged in the second interface 12, a plurality of connecting ribs 16 are connected between the side surface of the guide sleeve 15 and the inner wall of the second interface 12, a water passing opening 17 is formed between adjacent two connecting ribs 16, a guide shaft 44 is arranged at the lower part of the first boss 43, the guide shaft 44 penetrates through the guide sleeve 15 and can move along the guide sleeve 15, when the motor 2 drives the valve rod 4 to move up and down, the sealing gasket 6 and the guide shaft 44 can be driven to move up and down, by the sealing gasket 6, the upper end opening of the second interface 12 can be blocked, so as to realize the blocking of the second interface 12 and the fourth interface 14, and by the cooperation of the guide shaft 44 and the guide sleeve 15, the valve rod 4 can be guided to move, the moving accuracy of the valve rod 4 is improved, and the sealing effect between the sealing gasket 6 and the upper end of the second interface 12 is improved.

[0027] The valve rod 4 is sleeved with a valve sleeve 5, the valve rod 4 comprises a threaded part 41, a guide column 42 is arranged at the lower part of the threaded part 41, the valve sleeve 5 comprises a threaded hole 51 and a sealing groove 52 below the threaded hole 51, the threaded part 41 is connected with the threaded hole 51 through threads, so that the valve rod 4 can rotate and lift, the guide column 42 is sealingly connected with the inner wall of the sealing groove 52, specifically, a first sealing ring 7 is sleeved on the outer side of the guide column 42, the first sealing ring 7 is sealingly connected with the inner wall of the sealing groove 52, when the motor 2 drives the valve rod 4 to rotate, by the cooperation between the threaded part 41 and the threaded hole 51, the valve rod 4 can be rotated and lifted, so as to realize the movement of the valve rod 4, and by the design that the cross-sectional dimension of the sealing groove 52 is larger than that of the threaded hole 51, the upper part of the guide column 42 can abut the lower part of the threaded hole 51 during the movement of the valve rod 4, so as to limit the movement of the valve rod 4.

[0028] The valve sleeve 5 is in sealing fit with the first interface 11, the valve sleeve 5 comprises a supporting table 53, the supporting table 53 is inserted into the first interface 11, the lower part of the supporting table 53 is provided with a second boss 55, the outer side of the second boss 55 is provided with a second sealing ring 9, the second sealing ring 9 is in sealing fit with the inner wall of the first interface 11, by arranging the second sealing ring 9, the sealing between the valve sleeve 5 and the first interface 11 can be realized, and the sealing reliability is good.

[0029] The lower part of the second boss 55 is provided with an annular rib 56, the sealing groove 52 is located in the annular rib 56, the outer side of the annular rib 56 is provided with a bushing 8, the inner wall of the first interface 11 is provided with a shoulder 18, the lower part of the bushing 8 abuts against the upper part of the shoulder 18 and the upper part of the bushing 8 abuts against the lower part of the second boss 55, by cooperation of the bushing 8, the second boss 55 and the shoulder 18, the valve sleeve 5 can be limited in installation, and the valve sleeve 5 is prevented from being excessively inserted into the first interface 11.

[0030] The valve sleeve 5 is fixed in the first interface 11, the upper part of the first interface 11 is fixed with a cover plate 3, the cover plate 3 is fixed with the valve body 1 through screws, the motor 2 is fixed with the cover plate 3 through screws, the upper part of the supporting table 53 abuts against the lower part of the cover plate 3, by the above design, the valve sleeve 5 can be fixed, and the valve sleeve 5 is effectively prevented from being separated from the first interface 11.

[0031] The cover plate 3 comprises a limiting hole 31, the upper part of the supporting table 53 is provided with a limiting table 54, the limiting table 54 is inserted into the limiting hole 31 for limiting, the cross sections of the limiting hole 31 and the limiting table 54 are both non-circular, preferably D-shaped, by the above design, the valve sleeve 5 can be effectively prevented from rotating in the rotating process of the valve rod 4, and the fixing effect of the valve sleeve 5 is improved.

[0032] The above only describes preferred embodiments of the present application, the protection scope of the present application is not limited to the above embodiments, any technical scheme falling within the idea of the present application belongs to the protection scope of the present application. It should be noted that, for ordinary skilled in the art, some improvements and decorations without departing from the principle of the present application can also be considered as the protection scope of the present application.

Claims

1. A water mixing tee valve characterized by, The utility model provides a valve, including valve body (1), motor (2) and valve stem (4), valve body (1) includes first interface (11), second interface (12), third interface (13) and fourth interface (14), third interface (13) with fourth interface (14) communication, second interface (12) with fourth interface (14) communication or block, motor (2) is installed at first interface (11), one end of valve stem (4) is connected with motor (2), motor (2) can drive valve stem (4) to be active, so that the one end of valve stem (4) away from motor (2) can block second interface (12) one end in valve body (1) or separate second interface (12) one end in valve body (1).

2. The mixing tee valve of claim 1, wherein The valve stem (4) includes a first boss (43), the first boss (43) is provided with an annular groove (431) on the side, the annular groove (431) is provided with a sealing gasket (6), the sealing gasket (6) can abut or separate the one end of the second interface (12) in the valve body (1).

3. The mixing tee valve of claim 2, wherein The second interface (12) is provided with a guide sleeve (15), the side of the guide sleeve (15) is connected with the inner wall of the second interface (12) through a plurality of connecting ribs (16), the adjacent two connecting ribs (16) form a water passage (17), the lower part of the first boss (43) is provided with a guide shaft (44), the guide shaft (44) penetrates the guide sleeve (15) and can move along the guide sleeve (15).

4. The mixing tee valve of claim 1, wherein The outer side of the valve stem (4) is provided with a valve sleeve (5), the valve sleeve (5) is fixed in the first interface (11), the valve stem (4) includes a threaded part (41), the lower part of the threaded part (41) is provided with a guide column (42), the valve sleeve (5) includes a threaded hole (51) and a sealing groove (52) below the threaded hole (51), the cross-sectional dimension of the sealing groove (52) is larger than that of the threaded hole (51), the threaded part (41) is connected with the threaded hole (51) through threads, so that the valve stem (4) can rotate and lift, the guide column (42) is sealingly matched with the inner wall of the sealing groove (52).

5. The mixing tee valve of claim 4, wherein, The outer side of the guide column (42) is provided with a first sealing ring (7), the first sealing ring (7) is sealingly matched with the inner wall of the sealing groove (52).

6. The mixing tee valve of claim 4, wherein The valve sleeve (5) includes a support table (53), the support table (53) is inserted into the first interface (11), the lower part of the support table (53) is provided with a second boss (55), the outer side of the second boss (55) is provided with a second sealing ring (9), the second sealing ring (9) is sealingly matched with the inner wall of the first interface (11).

7. The mixing tee valve of claim 6, wherein The lower part of the second boss (55) is provided with an annular rib (56), the sealing groove (52) is located in the annular rib (56), the outer side of the annular rib (56) is provided with a bushing (8), the inner wall of the first interface (11) is provided with a shoulder (18), the lower part of the bushing (8) abuts against the upper part of the shoulder (18), and the upper part of the bushing (8) abuts against the lower part of the second boss (55).

8. The mixing tee valve of claim 4, wherein, The first interface (11) is fixed with a cover plate (3) on the upper part, the cover plate (3) comprises a limiting hole (31), the supporting table (53) is provided with a limiting table (54) on the upper part, the limiting table (54) is inserted into the limiting hole (31) for limiting, and the limiting hole (31) and the limiting table (54) are all non-circular in cross section.

9. The mixing tee valve of claim 8, wherein, The cover plate (3) is fixed with the valve body (1) through screws, and the limiting hole (31) and the limiting table (54) are D-shaped in cross section.

10. The mixing tee valve of claim 8, wherein, The valve rod (4) comprises a connecting head (45), the connecting head (45) is connected with the motor (2), and the motor (2) is fixed with the cover plate (3) through screws.

Images