Integrated multi-pass water valve

Abstract

The application discloses an integrated multi-water valve, which comprises a valve body, a valve core, a valve cover, an end face bearing and an elastic member. The valve core is rotatably arranged in the valve body, the valve cover is arranged on the top surface of the valve body, and the end face bearing is arranged between the valve core and the valve cover. Compared with the prior art which adopts a sealing part to seal and connect the valve core and the valve cover, the application has the advantages that the service life of the connecting structure between the valve core and the valve cover is longer, the elastic member can apply a long-term counter pressure, the end face bearing is always in contact with the valve core, and the driving torque of the valve core can be effectively reduced when the valve core is driven.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of valves, in particular to a multi-way integrated water valve. BACKGROUND

[0002] A valve in the prior art comprises a valve body, a valve core rotatably arranged in the valve body, and a valve cover matched with the top surface of the valve body, wherein the rotation shaft of the valve core penetrates the valve cover, and a sealing component is arranged between the rotation shaft of the valve core and the valve cover and the valve core body and the valve cover, to dynamically seal the connection between the valve core and the valve cover. The service life of the sealing component arranged in this way is short, and the sealing performance decreases after durability, thereby affecting the service life and sealing performance of the multi-way valve. In addition, the friction between the valve core and the dynamic sealing component is large, so that the driving torque of the multi-way valve core is large, and the design and manufacturing requirements of the driving mechanism are higher.

[0003] Therefore, the present application provides a multi-way integrated water valve with a longer service life, better sealing performance, and smaller driving torque. SUMMARY

[0004] In view of the deficiencies of the prior art, the purpose of the present application is to provide a multi-way integrated water valve.

[0005] To achieve the above-mentioned purpose, the following technical solutions are adopted in the present application:

[0006] A multi-way integrated water valve comprises a valve body, a valve core, a valve cover, an end face bearing, and an elastic member. The valve core is rotatably arranged in the valve body, the valve cover is arranged on the top surface of the valve body, the end face bearing is arranged between the valve core and the valve cover, and the elastic member is arranged between the end face bearing and the valve cover. The elastic member provides elastic force to press the end face bearing.

[0007] Further, the end face bearing comprises an upper ring body mounted on the lower end face of the valve cover, a lower ring body mounted on the top surface of the valve core, and a rolling member arranged between the upper ring body and the lower ring body. The upper ring body and the lower ring body are coaxially arranged.

[0008] Further, an elastic member is arranged between the end face bearing and the valve cover. The elastic member provides elastic force to press the end face bearing.

[0009] Further, the valve core comprises a cylindrical valve core body and a rotation shaft protruding from the middle part of the end face of the valve core body. The rotation shaft penetrates the valve cover and extends outward. A second sealing member is arranged between the rotation shaft and the valve cover.

[0010] Further, the valve core body comprises opposite first and second axial end faces. The rotation shaft protrudes from the middle part of the first axial end face. The end face bearing and the elastic member are arranged between the first axial end face and the valve cover. The upper ring body surrounds the rotation shaft. The lower ring body is sleeved on the rotation shaft and connected to the first axial end face. A first sealing member is arranged between the second axial end face and the valve body.

[0011] Further, the valve body is in the shape of a hollow cylinder with an open end, a plurality of outer ports are formed on the lower end surface of the valve body, a plurality of inner ports are formed on the second axial end surface, the first sealing member is in the shape of a ring and has a plurality of through holes corresponding to the plurality of outer ports and the plurality of inner ports.

[0012] Further, the valve core body is internally provided with a plurality of flow channels, the flow channels communicate two of the plurality of inner ports, fluid flows into the outer ports, the corresponding through holes and the corresponding inner ports in sequence along the axial direction, and then flows out from the corresponding inner ports, the corresponding through holes and the corresponding outer ports in sequence along the axial direction through the corresponding flow channels.

[0013] Further, the valve cover comprises a mounting portion extending into the open end, a second mounting groove is formed on the side close to the inner wall of the valve body, a third sealing member is arranged in the second mounting groove, and the valve cover and the valve body are connected through a fixing member.

[0014] Further, the first axial end surface is provided with a first protruding ring around the rotation axis, a first protruding portion is arranged between the first axial end surface and the rotation axis and surrounds the rotation axis, a second protruding portion is arranged at the top end of the first protruding portion and surrounds the rotation axis, the second sealing member is arranged on the second protruding portion, a first placing groove is formed between the first protruding ring and the first protruding portion, and the lower ring body is arranged in the first placing groove.

[0015] Further, the valve cover further comprises a groove in the middle portion, a second protruding ring is arranged in the groove and surrounds the rotation axis, a second placing groove is formed between the outer wall of the second protruding ring and the groove, the elastic member and the upper ring body are arranged in the second placing groove, a third placing groove is formed between the inner wall of the second protruding ring and the rotation axis, and the second sealing member is arranged in the third placing groove.

[0016] Compared with the prior art, the integrated multi-way water valve has the following beneficial effects:

[0017] Compared with the prior art, the integrated multi-way water valve has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a longitudinal sectional structure schematic view of the integrated multi-way water valve of the present application;

[0019] Figure 2 is a transverse sectional structure schematic view of the valve core body of the present application;

[0020] Figure 3 is a schematic diagram of an integrated multi-way water valve in another direction of explosion structure of the present application;

[0021] Figure 4 is a schematic diagram of an integrated multi-way water valve in another direction of explosion structure of the present application;

[0022] Figure 5 is a schematic diagram of an integrated multi-way water valve of the present application.

[0023] In the figure, the marks are as follows: 1, valve body; 11, open end; 12, outer port; 13, first mounting groove; 2, valve core; 21, valve core body; 211, first axial end face; 212, second axial end face; 213, inner port; 214, flow channel; 215, first convex ring; 216, first placing groove; 217, first protruding part; 218, second protruding part; 22, rotating shaft; 3, valve cover; 31, mounting part; 32, second mounting groove; 33, second convex ring; 34, second placing groove; 341, third protruding part; 35, third placing groove; 4, end face bearing; 41, upper ring body; 42, lower ring body; 43, rolling element; 5, elastic element; 51, wave crest; 52, wave trough; 6, first sealing element; 7, second sealing element; 8, fixing element; 9, third sealing element. DETAILED DESCRIPTION

[0024] The present application will be further described below in conjunction with the accompanying drawings and embodiments:

[0025] The standard parts used in the present application can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the mechanical parts and equipment adopt the conventional types in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0026] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying the importance of the opposite.

[0027] It should be noted that unless specifically defined otherwise, the terms "mounting", "connected", "connection" are to be construed broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0029] The embodiment of the present application provides a kind of integrated multi-pass water valve, referring to Figures 1 to 5 Including valve body 1, valve core 2, valve cover 3, end face bearing 4 and elastic element 5, valve core 2 is rotatably arranged in valve body 1, valve cover 3 is covered in the top surface of valve body 1, valve cover 3 is generally round plate, end face bearing 4 is arranged between valve core 2 and valve cover 3, by the setting of end face bearing 4, the driving torque of valve core 2 is effectively reduced, compared with the mode that sealing part is used to seal the connection between valve core 2 and valve cover 3 in prior art, by setting end face bearing 4, the service life of the connecting structure between valve core 2 and valve cover 3 is longer.

[0030] Refer to Figure 1 And Figure 3 In the embodiment, the end face bearing 4 includes the upper ring body 41 installed in the lower end face of the valve cover 3, the lower ring body 42 installed on the top surface of the valve core 2, and the rolling element 43 arranged between the upper ring body 41 and the lower ring body 42, the upper ring body 41 and the lower ring body 42 are coaxially arranged, the rolling element 43 can be a cylindrical roller or a ball, which reduces the wear between the valve core 2 and the valve cover 3, the upper ring body 41 and the lower ring body 42 are two end faces of the end face bearing 4, and the upper ring body 41 is directly above the lower ring body 42; the elastic element 5 is arranged between the upper ring body 41 and the valve cover 3; the lower ring body 42 can be embedded in the top surface of the valve core 2.

[0031] Wherein, refer to Figure 1 In the embodiment, the valve cover 3 includes a mounting portion 31 extending into the open end 11, a second mounting groove 32 is formed on the side close to the inner wall of the valve body 1, and a third sealing element 9 is arranged in the second mounting groove 32 to connect the valve cover 3 and the valve body 1 in a static sealing manner, preferably, the third sealing element 9 is an O-shaped sealing ring made of rubber, and the material of the O-shaped sealing ring is preferably EPDM (ethylene propylene rubber), the valve cover 3 and the valve body 1 are connected by a fixing element 8, and preferably, the fixing element 8 is a screw or a bolt.

[0032] Refer to Figure 3 And Figure 4In the embodiment, the elastic member 5 is arranged between the end face bearing 4 and the valve cover 3, and provides elastic force to press the end face bearing 4. The elastic member 5 can provide long-term downward axial elastic force, so that the lower ring body 42 is always in contact with the top surface of the valve core 2, and the downward axial force is pressed on the first sealing member 6 through the valve core 2, so that the first sealing member 6 is better sealed with the valve body 1, and the driving torque of the valve core 2 can be effectively reduced when the valve core 2 is driven.

[0033] In the embodiment, the elastic member 5 is a wave spring, which includes a plurality of wave crests 51 and a plurality of wave troughs 52. The wave crests 51 and the wave troughs 52 are arranged in one-to-one intervals. Since the valve cover 3 is connected to the valve body 1 by the fixing member 8, the valve cover 3 and the valve body 1 are not moved, and thus the axial elastic force of the elastic member 5 is always downward. The tighter the elastic member 5 is pressed, the greater the downward axial elastic force provided by the wave trough 52 to the upper ring body 41, so that the end face bearing 4 and the valve core 2 are better connected, and the sealing performance of the second axial end face 212 and the top surface of the first sealing member 6 is improved. In other embodiments, the elastic member 5 can also have other structures, such as a spiral spring.

[0034] Referring to Figure 1 In the embodiment, the valve core 2 includes a cylindrical valve core body 21 and a rotating shaft 22 protruding from the middle of the end face of the valve core body 21. Specifically, the valve core 2 can be an integral piece or can be formed by welding an upper part and a lower part. In the embodiment, the valve core 2 is formed by welding an upper part and a lower part. The rotating shaft 22 penetrates the valve cover 3 and extends outward. The rotating shaft 22 is rotated by a driver, which can be a servo motor or a hand wheel. A second sealing member 7 is arranged between the rotating shaft 22 and the valve cover 3 in a dynamic sealing manner. Preferably, the second sealing member 7 is an X-shaped sealing ring made of rubber. Preferably, the material of the X-shaped sealing ring is EPDM (ethylene propylene rubber). The X-shaped sealing ring is a four-lip sealing ring, and its shape is similar to X. Compared with an O-shaped ring, the X-shaped sealing ring has a lubricating cavity between the sealing lips, and has smaller friction resistance and starting resistance.

[0035] Referring to Figure 1 , Figure 3 and Figure 4In the embodiment, the valve core body 21 comprises opposite first and second axial end faces 211 and 212, the rotating shaft 22 protrudes from the middle of the first axial end face 211, the end face bearing 4 and the elastic member 5 are arranged between the first axial end face 211 and the valve cover 3, the upper ring body 41 surrounds the rotating shaft 22, the lower ring body 42 is sleeved on the rotating shaft 22 and connected to the first axial end face 211, the first seal 6 is arranged between the second axial end face 212 and the valve body 1, the elastic member 5 can apply a long-term downward axial force, so that the downward axial force presses the first seal 6 via the valve core 2, thereby better sealingly connecting the first seal 6 to the valve body 1, and when the valve core 2 wears the first seal 6, the pressing force applied by the elastic member 5 can move the end face bearing 4 and the valve core 2 downward, so that the second axial end face 212 is always in contact with the first seal 6, eliminating the wear, thereby better sealing the valve, prolonging the service life, and reducing the number of parts.

[0036] With reference to Figure 1 , Figure 3 and Figure 4 In the embodiment, the valve body 1 is in the form of a hollow cylinder with an open end 11, a plurality of outer ports 12 are formed on the lower end face of the valve body 1, in the embodiment, the outer ports 12 are 9, of which 2 adjacent outer ports 12 are the same size, and the other 7 outer ports 12 are respectively the sum of the sizes of the aforementioned 2 adjacent outer ports 12, and the outer ports 12 are uniformly arranged along the axial end face, a plurality of inner ports 213 are formed on the second axial end face 212, in the embodiment, the inner ports 213 are 6, of which 4 inner ports 213 are respectively the sum of the sizes of the aforementioned 2 adjacent outer ports 12, and the other 2 inner ports 213 are respectively the sum of the sizes of the aforementioned 2 inner ports 213, i.e. twice the sum of the sizes of the aforementioned 2 adjacent outer ports 12, and the other 2 inner ports 213 are not adjacent, the first seal 6 is in the form of a ring and has a plurality of through holes 61 corresponding to the plurality of outer ports 12 and the plurality of inner ports 213, in the embodiment, the through holes 61 are 9, which are arranged and sized the same as the outer ports 12, i.e. 2 adjacent through holes 61 are the same size, the same as the aforementioned 2 adjacent outer ports 12, and the other 7 through holes 61 are respectively the sum of the sizes of the aforementioned 2 adjacent through holes 61, and the through holes 61 are uniformly arranged along the axial end face.

[0037] With reference to Figure 2In the present embodiment, the valve core body 21 is internally provided with a plurality of flow channels 214, in the present embodiment, the flow channels 214 are 5, the flow channels 214 are communicated with two of the plurality of inner ports 213, preferably, two adjacent flow channels 214 are small fan-shaped, the size of which is consistent with the size of the two adjacent outer ports 12, two non-adjacent flow channels 214 are large fan-shaped, the size of which is the sum of the size of the two adjacent outer ports 12, the fifth flow channel 214 is communicated with the flow channels 214 on both sides of the large fan-shaped flow channel 214, the size of the flow channels 214 on both sides is consistent with the size of the two adjacent outer ports 12, the fluid flows into the outer ports 12, the corresponding through holes 61 and the corresponding inner ports 213 in sequence along the axial direction, and then flows out from the corresponding inner ports 213, the corresponding through holes 61 and the corresponding outer ports 12 in sequence along the axial direction, the rotation of the valve core 2 at different angles can realize the switching of the flow channels 214, so that the applicability of the valve is higher, the application range is wider, such as Figure 1 The arrowed dashed line represents the schematic direction of fluid flow in the valve.

[0038] Therefore, the port for fluid in the valve in the present embodiment is designed to be arranged at the axial end, so that the valve structure is more compact, the size is smaller, and the cost is also lower. In addition, since the inner port 213 and the outer port 12 are arranged on the end face, i.e. the plane, of the valve core 2 or the valve body 1, the first sealing member 6 can seal the inner port 213 and the outer port 12, so that the reliability can be further improved.

[0039] Referring to Figure 1 , Figure 3 and Figure 4 , in the present embodiment, the first convex ring 215 is arranged on the first axial end face 211 around the rotating shaft 22, the first convex ring 215 protrudes from the surface of the first axial end face 211, the first protruding portion 217 around the rotating shaft 22 is arranged between the first axial end face 211 and the rotating shaft 22, the second protruding portion 218 around the rotating shaft 22 is arranged at the top end of the first protruding portion 217, the first protruding portion 217 and the second protruding portion 218 are annular, the radius of the first protruding portion 217 is greater than that of the second protruding portion 218, the first protruding portion 217 and the second protruding portion 218 are part of the rotating shaft 22, the second sealing member 7 is placed on the second protruding portion 218, the first placing groove 216 is formed between the first convex ring 215 and the first protruding portion 217, and the lower ring body 42 is placed in the first placing groove 216. Due to the pressing force of the elastic member 5, the lower ring body 42 and the valve core 2 do not slide relative to each other.

[0040] Referring to Figure 1 , Figure 3 and Figure 4In the embodiment, the valve cover 3 further comprises a recess in the middle, which is located at the axial lower end of the valve cover 3, a second protruding ring 33 is arranged around the rotating shaft 22 in the recess, the second protruding ring 33 protrudes from the top surface of the recess, and the second protruding ring 33 has the same depth as the recess, the second protruding ring 33 is located directly above the first protruding part 217 and does not contact the second protruding part 218, a second placement groove 34 is formed between the outer wall of the second protruding ring 33 and the recess, the outer wall of the second protruding ring 33 is the side wall of the rotating shaft 22, the elastic member 5 and the upper ring body 41 are placed in the second placement groove 34, and the elastic member 5 and the upper ring body 41 do not slide relative to each other in the second placement groove 34, specifically, the second placement groove 34 is located directly above the first placement groove 216, a third placement groove 35 is formed between the inner wall of the second protruding ring 33 and the rotating shaft 22, the inner wall of the second protruding ring 33 is the side wall close to the rotating shaft 22, the second sealing member 7 is placed in the third placement groove 35, the second sealing member 7 contacts the inner wall of the second protruding ring 33, the second protruding part 218, the outer wall of the rotating shaft 22 and the top surface of the recess, realizes dynamic sealing connection, and the second sealing member 7 is relatively stationary, i.e. does not rotate, when the rotating shaft 22 rotates.

[0041] Reference is made to Figure 1 The third protruding part 341 is connected with the outer wall of the second protruding ring 33, the top surface of the upper ring body 41 contacts the bottom surface of the third protruding part 341, and the side wall of the third protruding part 341 is used to place the elastic member 5 between the third protruding part 341 and the recess, so that the valve is designed more reasonably.

[0042] When the valve core 2 rotates, the lower ring body 42 connected thereto also rotates, thereby driving the rolling member 43 to rotate, and the upper ring body 41 remains stationary with the valve cover 3, the rolling member 43 rotates to reduce the wear between the valve core 2 and the valve cover 3, and the end face bearing 4 is pressed downward by the elastic member 5, which can apply a long-term downward axial elastic force, so that the valve cover 3 and the valve core 2 remain connected, and the downward axial elastic force is pressed on the first sealing member 6 through the valve core 2, thereby better sealing the connection between the first sealing member 6 and the valve body 1, and the sealing performance of the valve is better, preventing fluid leakage.

[0043] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0044] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit the protection scope of the present application. Obviously, the described examples are only some of the embodiments of the present application, but not all the embodiments. Based on these examples, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application. Although the present application is described in detail with reference to the above examples, those of ordinary skill in the art can still combine, add or delete the features in the embodiments of the present application according to the circumstances without creative work, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence, and these technical solutions also fall within the scope of the present application.

Claims

1. An integrated multi-pass water valve, comprising: The utility model relates to a valve, comprising: a valve body (1); a valve core (2) rotatably arranged in the valve body (1); a valve cover (3) arranged on the top surface of the valve body (1); an end face bearing (4) arranged between the valve core (2) and the valve cover (3); the valve core (2) comprises a cylindrical valve core body (21) and a rotating shaft (22) protruding from the middle of the end face of the valve core body (21), the rotating shaft (22) penetrates the valve cover (3) and extends outward, and a second sealing element (7) is arranged between the rotating shaft (22) and the valve cover (3); the end face bearing (4) comprises an upper ring body (41) arranged on the lower end face of the valve cover (3), a lower ring body (42) arranged on the top surface of the valve core (2), and rolling elements (43) arranged between the upper ring body (41) and the lower ring body (42), and the upper ring body (41) and the lower ring body (42) are coaxially arranged; the valve core body (21) comprises opposite first and second axial end faces (211) and (212), the rotating shaft (22) protrudes from the middle of the first axial end face (211), the end face bearing (4) and an elastic element (5) are arranged between the first axial end face (211) and the valve cover (3), the upper ring body (41) surrounds the rotating shaft (22), the lower ring body (42) is sleeved on the rotating shaft (22) and connected to the first axial end face (211), and the second axial end face (212) is provided with a first sealing element (6) between the valve core body (21) and the valve body (1); the valve body (1) is in the form of a hollow cylinder with an open end (11), a plurality of outer ports (12) are formed on the lower end face of the valve body (1), a plurality of inner ports (213) are formed on the second axial end face (212), and the first sealing element (6) is in the form of a ring and has a plurality of through holes (61) corresponding to the plurality of outer ports (12) and the plurality of inner ports (213); of the outer ports (12) are nine, two adjacent outer ports (12) are of the same size, and the sizes of the other seven outer ports (12) are the sum of the sizes of the aforementioned two adjacent outer ports (12), and the outer ports (12) are uniformly arranged along the second axial end face (212); the inner ports (213) are six, the sizes of four inner ports (213) are the sum of the sizes of the aforementioned two adjacent outer ports (12), the sizes of the other two inner ports (213) are the sum of the sizes of the aforementioned two inner ports (213), and the other two inner ports (213) are not adjacent; the through holes (61) are nine, and the arrangement and size of the through holes (61) are the same as those of the outer ports (12), that is, the sizes of two adjacent through holes (61) are the same, the sizes of the other seven through holes (61) are the sum of the sizes of the aforementioned two adjacent through holes (61), and the through holes (61) are uniformly arranged along the second axial end face (212); The valve core body (21) is internally provided with a plurality of flow channels (214) which communicate with two of the plurality of inner ports (213), and fluid flows into the outer ports (12), the corresponding through holes (61) and the corresponding inner ports (213) in sequence along the axial direction, then flows out from the corresponding inner ports (213), the corresponding through holes (61) and the corresponding outer ports (12) in sequence along the axial direction via the corresponding flow channels (214); The two adjacent flow channels (214) are small fan-shaped and have the same size as the two adjacent outer ports (12), the two non-adjacent flow channels (214) are large fan-shaped and have the same size as the sum of the two adjacent outer ports (12), and the fifth flow channel (214) communicates with the flow channels (214) on both sides of the large fan-shaped flow channel (214) and has the same size as the two adjacent outer ports (12).

2. The integrated multi-way water valve of claim 1, wherein, The end face bearing (4) and the valve cover (3) are provided with an elastic member (5) which provides elastic force to press the end face bearing (4).

3. The integrated multi-way water valve of claim 2, wherein, The valve cover (3) comprises a mounting portion (31) extending into the open end (11), the mounting portion (31) is provided with a second mounting groove (32) on the side close to the inner wall of the valve body (1), the second mounting groove (32) is provided with a third sealing member (9), and the valve cover (3) and the valve body (1) are connected through a fixing member (8).

4. The integrated multi-way water valve of claim 3, wherein, The first axial end face (211) is provided with a first protruding ring (215) around the rotating shaft (22), the first axial end face (211) and the rotating shaft (22) are provided with a first protruding portion (217) around the rotating shaft (22), the top end of the first protruding portion (217) is provided with a second protruding portion (218) around the rotating shaft (22), the second sealing member (7) is placed on the second protruding portion (218), the first protruding ring (215) and the first protruding portion (217) form a first placing groove (216), and the lower ring body (42) is placed in the first placing groove (216).

5. The integrated multi-way water valve of claim 4, wherein, The valve cover (3) further comprises a groove in the middle, the groove is provided with a second protruding ring (33) around the rotating shaft (22), the outer wall of the second protruding ring (33) and the groove form a second placing groove (34), the elastic member (5) and the upper ring body (41) are placed in the second placing groove (34), the inner wall of the second protruding ring (33) and the rotating shaft (22) form a third placing groove (35), and the second sealing member (7) is placed in the third placing groove (35).

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