CN219510180U - Integrated multi-pass water valve - Google Patents

Abstract

The utility model discloses an integrated multi-way water valve which comprises a valve body, a valve core, a valve cover, a motion antifriction component and an elastic piece, wherein 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 motion antifriction component is arranged between the valve core and the valve cover. Compared with the prior art that the valve core and the valve cover are connected in a sealing way by the sealing component, the movable antifriction component is arranged, so that the service life of the connecting structure between the valve core and the valve cover is longer, the elastic component can apply the pressing force for a long time, the movable antifriction component is always in contact with the valve core, and the driving moment of the valve core can be effectively reduced when the valve core is driven.

Description

Integrated multi-pass water valve

Technical Field

The utility model relates to the technical field of valves, in particular to an integrated multi-way water valve.

Background

The existing valve 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 a rotating shaft of the valve core penetrates through the valve cover, a sealing component is arranged between the rotating shaft of the valve core and the valve core body and between the valve cover and the valve cover so as to dynamically seal and connect the valve core and the valve cover, the service life of the sealing component is short, the sealing performance is reduced after durability, and the service life and the sealing performance of the multi-way valve are further influenced; and secondly, the friction force between the valve core and the dynamic sealing component is large, so that the valve core of the multi-way valve has large driving moment and has higher design and manufacturing requirements on a driving mechanism.

Therefore, the utility model provides the integrated multi-way water valve which has longer service life, better sealing performance and smaller driving moment.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide an integrated multi-way water valve.

The utility model adopts the following technical scheme to realize the aim:

the utility model provides an integrated multi-way water valve, includes valve body, case, valve gap, motion antifriction subassembly and elastic component, and the valve core is rotationally located in the valve body, and the top surface of valve body is arranged in to the valve gap lid, and motion antifriction subassembly is located between case and the valve gap.

Further, the motion antifriction component comprises an upper ring body arranged on the lower end face of the valve cover, a lower ring body arranged on the top surface of the valve core of the mounting seat, and a rolling piece arranged between the upper ring body and the lower ring body, wherein the upper ring body and the lower ring body are coaxially arranged.

Further, an elastic piece is arranged between the motion antifriction component and the valve cover, and the elastic piece provides elasticity to resist the motion antifriction component.

Further, the valve core comprises a cylindrical valve core body and a rotating shaft protruding from the middle of the end face of the valve core body, the rotating shaft penetrates through the valve cover and extends outwards, and a second sealing piece is arranged between the rotating shaft and the valve cover.

Further, the valve core body comprises a first axial end face and a second axial end face which are opposite, the rotating shaft protrudes from the middle of the first axial end face, the motion antifriction component and the elastic piece are arranged between the first axial end face and the valve cover, the upper ring body surrounds the rotating shaft, the lower ring body is sleeved on the rotating shaft and connected to the first axial end face, and a first sealing piece is arranged between the second axial end face and the valve body.

Further, the valve body is in a hollow cylinder shape with an opening end, a plurality of outer ports are formed in the lower end face of the valve body, a plurality of inner ports are formed in the second axial end face of the valve body, and the first sealing piece is in a circular ring shape and is provided with a plurality of through holes corresponding to the outer ports and the inner ports.

Further, the valve core body is internally provided with a plurality of flow channels, the flow channels are communicated with two inner ports in 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, flows through the corresponding flow channels and flows out of the corresponding inner ports, the corresponding through holes and the corresponding outer ports in sequence along the axial direction.

Further, the valve cover comprises a mounting part extending into the opening end, a second mounting groove is formed in one side, close to the inner wall of the valve body, of the mounting part, a third sealing piece is arranged in the second mounting groove, and the valve cover is connected with the valve body through a fixing piece.

Further, a first convex ring is arranged on the first axial end face around the rotating shaft, a first protruding portion around the rotating shaft is arranged between the first axial end face and the rotating shaft, a second protruding portion around the rotating shaft is arranged at the top end of the first protruding portion, the second sealing piece is placed on the second protruding portion, a first placing groove is formed between the first convex ring and the first protruding portion, and the lower ring body is placed in the first placing groove.

Further, the valve cover further comprises a groove positioned in the middle, a second convex ring is arranged in the groove around the rotating shaft, a second placing groove is formed between the outer wall of the second convex ring and the groove, the elastic piece and the upper ring body are placed in the second placing groove, a third placing groove is formed between the inner wall of the second convex ring and the rotating shaft, and the second sealing piece is placed in the third placing groove.

Compared with the prior art, the utility model provides an integrated multi-way water valve, which has the following beneficial effects:

compared with the prior art that the valve core and the valve cover are connected in a sealing way by the sealing component, the movable antifriction assembly is arranged, so that the service life of a connecting structure between the valve core and the valve cover is longer, the driving moment of the valve core can be effectively reduced, and the abrasion is reduced.

Drawings

FIG. 1 is a schematic longitudinal cross-sectional view of an integrated multi-way valve of the present utility model;

FIG. 2 is a schematic cross-sectional view of the valve core body of the present utility model;

FIG. 3 is a schematic diagram of an explosion structure in one direction of an integrated multi-pass water valve according to the present utility model;

FIG. 4 is a schematic view of an alternate orientation of the explosion configuration of an integrated multi-pass valve of the present utility model;

fig. 5 is a schematic view of an integrated multi-pass water valve according to the present utility model.

The mark in the figure is 1, valve body; 11. an open end; 12. an outer port; 13. a first mounting groove; 2, a valve core; 21. a valve core body; 211. a first axial end face; 212. a second axial end surface; 213. an inner port; 214. a flow passage; 215. a first collar; 216. a first placement groove; 217. a first protrusion; 218. a second protruding portion; 22. a rotating shaft; 3. a valve cover; 31. a mounting part; 32. a second mounting groove; 33. a second convex ring; 34. a second placement groove; 341. a third protrusion; 35. a third placement groove; 4. a motion antifriction assembly; 41. an upper ring body; 42. a lower ring body; 43. a rolling member; 5. an elastic member; 51. a peak; 52. a trough; 6. a first seal; 7. a second seal; 8. a fixing member; 9. and a third seal.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying positive importance.

It should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The embodiment of the utility model provides an integrated multi-pass water valve, referring to fig. 1 to 5, the integrated multi-pass water valve comprises a valve body 1, a valve core 2, a valve cover 3, a motion antifriction component 4 and an elastic piece 5, wherein the valve core 2 is rotatably arranged in the valve body 1, the valve cover 3 is covered on the top surface of the valve body 1, the valve cover 3 is approximately circular plate-shaped, the motion antifriction component 4 is arranged between the valve core 2 and the valve cover 3, and the driving moment on the valve core 2 is effectively reduced by arranging the motion antifriction component 4, compared with the mode of adopting a sealing component to seal and connect the valve core 2 and the valve cover 3 in the prior art, the connecting structure between the valve core 2 and the valve cover 3 has longer service life by arranging the motion antifriction component 4.

Referring to fig. 1 and 3, in the present embodiment, the motion antifriction assembly 4 includes an upper ring 41 installed on a lower end face of the valve cover 3, a lower ring 42 installed on a top face of the valve core 2 of the seat, and rolling elements 43 disposed between the upper ring 41 and the lower ring 42, the upper ring 41 and the lower ring 42 are coaxially disposed, the motion antifriction assembly 4 may be an end face bearing, the rolling elements 43 may be cylindrical rollers or balls, wear between the valve core 2 and the valve cover 3 is reduced, the upper ring 41 and the lower ring 42 are 2 end faces of the motion antifriction assembly 4, and the upper ring 41 is located directly above the lower ring 42; the elastic member 5 is arranged between the upper ring 41 and the valve cover 3; the lower ring 42 may be embedded in the top surface of the valve core 2.

Referring to fig. 1, in this embodiment, the valve cover 3 includes a mounting portion 31 extending into the open end 11, a second mounting groove 32 is formed on a side of the mounting portion 31 near the inner wall of the valve body 1, a third sealing member 9 for connecting the valve cover 3 and the valve body 1 in a static sealing manner is disposed in the second mounting groove 32, preferably, the third sealing member 9 is an O-ring made of rubber, preferably, the O-ring is EPDM (ethylene propylene diene monomer), and the valve cover 3 and the valve body 1 are connected by a fixing member 8, preferably, the fixing member 8 is a screw or a bolt.

Referring to fig. 3 and 4, in this embodiment, an elastic member 5 is disposed between the motion antifriction assembly 4 and the valve cover 3, the elastic member 5 provides an elastic force to press the motion antifriction assembly 4, and the elastic member 5 can apply a downward axial elastic force for a long time, so that the lower ring 42 is always in contact with the top surface of the valve core 2, and further, the downward axial force presses the first sealing member 6 via the valve core 2, so that the sealing connection between the first sealing member 6 and the valve body 1 is better, and the driving moment of the valve core 2 can be effectively reduced when the valve core 2 is driven.

The elastic member 5 is a wave spring, and includes a plurality of wave crests 51 and a plurality of wave troughs 52, where the wave crests 51 and the wave troughs 52 are arranged at intervals, and since the valve cover 3 and the valve body 1 are connected by the fixing member 8, the axial elastic force of the elastic member 5 can only be downward all the time, the tighter the elastic member 5 is pressed, the greater the wave troughs 52 press the upper ring 41 to provide downward axial elastic force, so that the motion antifriction assembly 4 and the valve core 2 can be better connected, and the tightness between the second axial end surface 212 and the top surface of the first sealing member 6 can be improved, and in other embodiments, other structures, such as a coil spring, can be adopted for the elastic member 5.

Referring to fig. 1, in this embodiment, the valve core 2 includes a cylindrical valve core body 21 and a rotation shaft 22 protruding from the middle of the end surface of the valve core body 21, specifically, the valve core 2 may be an integral piece, or may be formed by welding an upper part and a lower part, in this embodiment, the valve core 2 is formed by welding the upper part and the lower part, the rotation shaft 22 penetrates through the valve cover 3 and extends outwards, the rotation shaft 22 is driven to rotate by a driver, which may be a servo motor or a hand wheel, a second sealing member 7 connected in a dynamic sealing manner is disposed between the rotation shaft 22 and the valve cover 3, preferably, the second sealing member 7 is an X-shaped sealing ring made of rubber, preferably, an EPDM (ethylene propylene diene monomer) made of an X-rubber, and the X-shaped sealing ring is similar to an X-shaped sealing ring, and has smaller friction resistance and starting resistance due to the fact that the X-shaped sealing ring forms a lubrication cavity between sealing lips.

Referring to fig. 1, 3 and 4, in this embodiment, the valve body 21 includes a first axial end surface 211 and a second axial end surface 212 opposite to each other, the rotation shaft 22 protrudes from the middle of the first axial end surface 211, the motion antifriction component 4 and the elastic member 5 are disposed between the first axial end surface 211 and the valve cover 3, the upper ring 41 surrounds the rotation shaft 22, the lower ring 42 is sleeved on the rotation shaft 22 and connected to the first axial end surface 211, the first sealing member 6 is disposed between the second axial end surface 212 and the valve body 1, the elastic member 5 can apply a downward axial force for a long time, so that the downward axial force presses the first sealing member 6 via the valve core 2, and thus the sealing connection between the first sealing member 6 and the valve body 1 is better, and when the valve core 2 wears the first sealing member 6, the motion antifriction component 4 and the valve core 2 can be moved downward, so that the second axial end surface 212 always contacts the first sealing member 6, and the wear is eliminated, and the sealing performance of the valve is better, the service life of the valve is prolonged, compared with the case 1, and the two sealing members are not made of a sealing member (PTFE, EPDM, the sealing member and the sealing member 1 and the sealing member are integrally made of PTFE).

Referring to fig. 1, 3 and 4, in this embodiment, the valve body 1 is in a hollow cylindrical shape with an opening end 11, a plurality of outer ports 12 are opened on the lower end surface of the valve body 1, in this embodiment, the outer ports 12 are 9, wherein the sizes of 2 adjacent outer ports 12 are consistent, the sizes of 7 outer ports 12 are respectively the sum of the sizes of the 2 adjacent outer ports 12, and the outer ports 12 are uniformly arranged along the axial end surface, the second axial end surface 212 is opened with a plurality of inner ports 213, in this embodiment, the inner ports 213 are 6, wherein the sizes of 4 inner ports 213 are respectively the sum of the sizes of the 2 adjacent outer ports 12, the sizes of the other 2 inner ports 213 are respectively the sum of the sizes of the 2 inner ports 213, namely, the sum of the 2 adjacent outer ports 12 is 2 times, and the other 2 inner ports 213 are not adjacent, the first sealing member 6 is in a circular ring shape and has a plurality of through holes which are uniformly arranged along the axial end surface and have the same size as the 2 through holes 61, namely, the size of the 2 adjacent outer ports 61 is 2 through holes 61 are uniformly arranged along the axial end surface and the same as the size of the 2 through holes 61, and the size of the 2 through holes 61 are respectively the 2 adjacent to the size of the inner ports 61.

Referring to fig. 2, in the present embodiment, a plurality of flow channels 214 are disposed in the valve core body 21, in the present embodiment, the number of flow channels 214 is 5, the flow channels 214 are connected to two inner ports 213 among the plurality of inner ports 213, preferably, 2 adjacent flow channels 214 are in a small fan shape, the size of which is consistent with the size of the 2 adjacent outer ports 12, wherein 2 non-adjacent flow channels 214 are in a large fan shape, the sizes of which are respectively the sum of the sizes of the 2 adjacent outer ports 12, the 5 th flow channel 214 is connected to the flow channels 214 on both sides of the large fan-shaped flow channel 214, the sizes of the flow channels 214 on both sides of which are consistent with the sizes of the 2 adjacent outer ports 12, fluid flows into the outer ports 12, the corresponding through holes 61, and the corresponding inner ports 213 sequentially in the axial direction, and flows out of the corresponding inner ports 213 sequentially in the axial direction through the corresponding flow channels 214, the corresponding through holes 61, and the corresponding outer ports 12, and when 2 are rotated by different angles, the switching of the flow channels 214 can be achieved, so that the valve has a higher applicability as indicated by the arrows in the arrows of the valve core in the schematic graph of fig. 1.

It can be seen that the design of the valve in this embodiment in which the ports for fluid are provided at the axial ends allows for a more compact valve construction, smaller size and lower cost. In addition, since the inner port 213 and the outer port 12 are both provided on the end face, i.e., the plane, of the valve spool 2 or the valve body 1, the first seal 6 is facilitated to seal the inner port 213 and the outer port 12, so that the reliability can be further improved.

Referring to fig. 1, 3 and 4, in the present embodiment, a first protruding ring 215 is disposed on the first axial end surface 211 around the rotation axis 22, the first protruding ring 215 protrudes from the surface of the first axial end surface 211, a first protruding portion 217 around the rotation axis 22 is disposed between the first axial end surface 211 and the rotation axis 22, a second protruding portion 218 around the rotation axis 22 is disposed at the top end of the first protruding portion 217, the first protruding portion 217 and the second protruding portion 218 are in a ring shape, 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 a part of the rotation axis 22, the second sealing element 7 is disposed on the second protruding portion 218, a first placement groove 216 is formed between the first protruding ring 215 and the first protruding portion 217, the lower ring 42 is disposed in the first placement groove 216, and due to the pressing force of the elastic element 5, no relative sliding occurs between the lower ring 42 and the valve element 2.

Referring to fig. 1, 3 and 4, in this embodiment, the valve cover 3 further includes a groove located in the middle, the groove is located at the axially lower end of the valve cover 3, a second convex ring 33 is disposed in the groove around the rotation shaft 22, the second convex ring 33 protrudes from the top surface of the groove, the depth of the second convex ring 33 is the same as that of the groove, the second convex ring 33 is located directly above the first protruding portion 217 and is not in contact with the second protruding portion 218, a second placing groove 34 is formed between the outer wall of the second convex ring 33 and the groove, the outer wall of the second convex ring 33 is a side wall of the rotation shaft 22, the elastic member 5 and the upper ring 41 are far away from the side wall of the rotation shaft 22, and are placed in the second placing groove 34, and the elastic member 5 and the upper ring 41 do not slide relatively in the second placing groove 34, specifically, the second placing groove 34 is located directly above the first placing groove 216, a third placing groove 35 is formed between the inner wall of the second convex ring 33 and the rotation shaft 22, the inner wall of the second convex ring 33 is a side wall of the rotation shaft 22, the second sealing member 7 is placed in the third placing groove 35, the second sealing member 7 is placed in the second placing groove 35, the second placing groove 7 is in contact with the second sealing groove 7, the second sealing groove 7 is not in the rotating contact with the second top surface 22, and the second sealing groove is not in the rotating groove, and the rotating groove is in the rotating connection with the second sealing groove 7, and the rotating surface is in the rotating, and the sealing surface is not in the rotating, and the rotating groove is in the sealing surface is in the rotating, and the sealing surface is in the rotating, and is in the rotating sealing surface and is in 3 and is in sealing with the rotating sealing.

Referring to fig. 1, a third protruding portion 341 is disposed in the second placement groove 34, the third protruding portion 341 is connected with an outer wall of the second convex ring 33, a top surface of the upper ring body 41 contacts with a bottom surface of the third protruding portion 341, and an elastic member 5 is disposed between a side wall of the third protruding portion 341 and the groove, so that the valve is more reasonable in design.

When the valve core 2 rotates, the lower ring body 42 connected with the valve core rotates together, so that the rolling element 43 is driven to rotate, the upper ring body 41 and the valve cover 3 are kept static, the rolling element 43 rotates to reduce abrasion between the valve core 2 and the valve cover 3, the motion antifriction component 4 can exert downward axial elastic force for a long time under the action of the elastic element 5, so that the valve cover 3 and the valve core 2 are kept connected, and the downward axial elastic force is enabled to resist the first sealing element 6 through the valve core 2, so that the sealing connection between the first sealing element 6 and the valve body 1 is better, the sealing performance of the valve is better, and fluid leakage is prevented.

What is not described in detail in this specification is prior art known to those skilled in the art.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model. It will be apparent that the described embodiments are merely some, but not all, embodiments of the utility model. Based on these embodiments, all other embodiments that may be obtained by one of ordinary skill in the art without inventive effort are within the scope of the utility model. Although the present utility model has been described in detail with reference to the above embodiments, those skilled in the art may still combine, add or delete features of the embodiments of the present utility model or make other adjustments according to circumstances without any conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present utility model, which also falls within the scope of the present utility model.

Claims (10)

1. An integrated multi-pass water valve, comprising:

a valve body (1);

the valve core (2) is rotatably arranged in the valve body (1);

the valve cover (3) is arranged on the top surface of the valve body (1);

and the motion antifriction component (4) is arranged between the valve core (2) and the valve cover (3).

2. The integrated multi-pass water valve according to claim 1, wherein the motion antifriction assembly (4) comprises an upper ring body (41) mounted on a lower end face of the valve cover (3), a lower ring body (42) mounted on a top face of the seat valve core (2), and a rolling element (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.

3. The integrated multi-pass water valve according to claim 2, wherein an elastic member (5) is provided between the motion antifriction assembly (4) and the valve cover (3), the elastic member (5) providing an elastic force to press against the motion antifriction assembly (4).

4. An integrated multi-way water valve according to claim 3, characterized in that 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 outwards, and a second sealing piece (7) is arranged between the rotating shaft (22) and the valve cover (3).

5. The integrated multi-pass water valve according to claim 4, wherein the valve core body (21) comprises a first axial end surface (211) and a second axial end surface (212) which are opposite, the rotating shaft (22) protrudes from the middle of the first axial end surface (211), the motion antifriction component (4) and the elastic piece (5) are arranged between the first axial end surface (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 surface (211), and a first sealing piece (6) is arranged between the second axial end surface (212) and the valve body (1).

6. The integrated multi-way water valve according to claim 5, wherein the valve body (1) is in a hollow cylindrical shape with an opening end (11), a plurality of outer ports (12) are formed on the lower end surface of the valve body (1), a plurality of inner ports (213) are formed on the second axial end surface (212), and the first sealing member (6) is in a circular ring shape and has a plurality of through holes (61) corresponding to the plurality of outer ports (12) and the plurality of inner ports (213).

7. The integrated multi-way water valve according to claim 6, wherein a plurality of flow channels (214) are provided inside the valve body (21), the flow channels (214) are communicated with two inner ports (213) of the plurality of inner ports (213), and fluid flows into the outer port (12), the corresponding through hole (61), and the corresponding inner port (213) in sequence in the axial direction, flows out of the corresponding inner port (213), the corresponding through hole (61), and the corresponding outer port (12) in sequence in the axial direction through the corresponding flow channels (214).

8. The integrated multi-way water valve according to claim 6, wherein the valve cover (3) comprises a mounting portion (31) extending into the opening end (11), a second mounting groove (32) is formed in one side, close to the inner wall of the valve body (1), of the mounting portion (31), a third sealing element (9) is arranged in the second mounting groove (32), and the valve cover (3) is connected with the valve body (1) through a fixing element (8).

9. The integrated multi-way water valve according to claim 8, wherein a first convex ring (215) is arranged on the first axial end surface (211) around the rotating shaft (22), a first protruding part (217) surrounding the rotating shaft (22) is arranged between the first axial end surface (211) and the rotating shaft (22), a second protruding part (218) surrounding the rotating shaft (22) is arranged at the top end of the first protruding part (217), the second sealing element (7) is placed on the second protruding part (218), a first placing groove (216) is formed between the first convex ring (215) and the first protruding part (217), and the lower ring body (42) is placed in the first placing groove (216).

10. The integrated multi-way water valve according to claim 9, wherein the valve cover (3) further comprises a groove in the middle, a second convex ring (33) is arranged in the groove around the rotating shaft (22), a second placing groove (34) is formed between the outer wall of the second convex ring (33) and the groove, the elastic piece (5) and the upper ring body (41) are placed in the second placing groove (34), a third placing groove (35) is formed between the inner wall of the second convex ring (33) and the rotating shaft (22), and the second sealing piece (7) is placed in the third placing groove (35).