Rubber-coated three-way valve

Abstract

The utility model relates to the technical field of valves, in particular to a rubber-coated three-way valve which comprises a valve body, three connecting pipes are arranged on the valve body, valve balls are arranged in the two connecting pipes, handles corresponding to the valve balls are arranged on the connecting pipes, the handles are connected with the valve body in a rotating mode, and when the valve balls rotate, passages in the connecting pipes can be opened and closed. Sealing pipes are further arranged in the connecting pipes provided with the valve balls, the sealing pipes are in threaded connection with the interiors of the connecting pipes, the sealing pipes are further provided with connectors used for being connected with the outside, the connectors are connected between the sealing pipes and the connecting pipes in a clamped mode, rubber sleeves are further arranged on the two connecting pipes corresponding to the connectors, and the connecting pipes are sleeved with the rubber sleeves. The rubber sleeve abuts against the connector and blocks a gap between the connector and the connecting pipe. The rubber sleeve is arranged to abut against the connector, after abutting, the rubber sleeve can block a gap at the connector, the situation that a medium leaks out of the gap between the connector and the connecting pipe is reduced, and the sealing performance of the valve body is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to a rubber-coated three-way valve. Background Art

[0002] A three-way valve is a valve with three ports, which can be divided into a combining valve and a diverting valve. A combining valve has two inlets and can discharge liquid from one outlet, while a diverting valve has one inlet and can discharge liquid from two outlets. You can choose to divert or combine according to actual needs.

[0003] The three-way valve under the prior art usually needs to be connected using a joint or the like, but since the joint is only connected by a mechanical method, liquid leakage is likely to occur at the gap between the joint and the three-way valve after the connection. Utility Model Content

[0004] In order to solve the problem that three-way valves in the prior art usually need to be connected using joints, but since the joints are only connected mechanically, liquid leakage is likely to occur at the gap between the joints and the three-way valve after connection, the present application provides a rubber-coated three-way valve, and the specific solution is as follows.

[0005] A rubber-encapsulated three-way valve comprises a valve body, three connecting tubes are arranged on the valve body, and the three connecting tubes are equidistantly arranged around a midpoint, and are characterized in that: valve balls are arranged in two of the connecting tubes, and handles are arranged on the connecting tubes corresponding to the valve balls, and the handles are rotatably connected to the valve body, and the valve balls can open and close the passages in the connecting tubes when they rotate, and a sealing tube is also arranged in the connecting tubes provided with the valve balls, and the sealing tubes are threadedly connected to the inside of the connecting tubes, and a joint for connecting to the outside is also arranged on the sealing tubes, and the joint is clamped between the sealing tube and the connecting tubes, and rubber sleeves are also arranged on the corresponding joints of the two connecting tubes, and the rubber sleeves are arranged on the connecting tubes, and the rubber sleeves abut against the joints and seal the gap between the joints and the connecting tubes.

[0006] By adopting the above technical solution, three connecting pipes are provided and valve balls are provided in two of the connecting pipes. The valve ball can be controlled by a handle to change the on-off condition in the valve ball. A corresponding joint is provided at the connecting pipe to connect the valve body to the outside, thereby playing the role of a valve. At the same time, a rubber sleeve is provided to abut the joint. After abutment, the rubber sleeve can block the gap at the joint, reduce the leakage of the medium from the gap between the joint and the connecting pipe, and improve the sealing of the valve body.

[0007] Optionally, a sleeve is provided on the joint facing the rubber sleeve, the sleeve wraps around the connecting pipe, and the sleeve abuts against the rubber sleeve.

[0008] By adopting the above technical solution, a sleeve is arranged on the joint, and the sleeve can fit after wrapping the connecting pipe, further wrapping the connecting pipe, further reducing liquid leakage, and further increasing the sealing of the valve body.

[0009] Optionally, an embedding groove is formed at one end of the rubber sleeve close to the sleeve, and the embedding groove is used to embed the sealing ring.

[0010] By adopting the above technical solution, a sealing ring is arranged in the rubber sleeve for the sealing ring to be placed in. Arranging the sealing ring at the rubber sleeve can reduce the situation where liquid leaks into between the rubber sleeve and the connecting pipe and causes the liquid to remain in the rubber sleeve for a long time, and can also improve the tightness of the connection between the rubber sleeve and the connecting pipe to a certain extent.

[0011] Optionally, a fixing block is further provided on the rubber sleeve, and the fixing block is integrally provided with the rubber sleeve. A fixing hole is opened on the fixing block, and the fixing hole is used for connection with the outside.

[0012] By adopting the above technical solution, a fixing block is provided which can be connected to the outside, thereby supporting the rubber sleeve and reducing the possibility of the rubber sleeve falling off due to loosening. Moreover, due to the shape of the valve body, the fixing block of the rubber sleeve can tighten the rubber sleeve and the sleeve after being fixed, thereby further improving the sealing performance.

[0013] Optionally, the fixing block is arranged between two connecting pipes.

[0014] By adopting the above technical solution, the fixing block is arranged between the two connecting pipes, and is clamped between the two connecting pipe brackets so as to be able to fit in with the two sides.

[0015] Optionally, the joint is provided with an external thread, and the external thread is arranged at an end of the sleeve away from the joint.

[0016] By adopting the above technical solution, an external thread is provided on the joint, and the external thread can be connected to the outside, which makes the connection more convenient.

[0017] Optionally, the sealing tube is also provided with an embedding groove for embedding the sealing ring.

[0018] By adopting the above technical solution, an embedding groove for embedding the sealing ring is also provided at the sealing tube, which can reduce the leakage of liquid from the gap between the sealing tube and the connecting tube, and further improve the sealing performance of the valve body.

[0019] Optionally, a convex ring is provided on the sealing tube toward the joint, and a matching ring is provided on the joint corresponding to the convex ring, and the matching ring and the convex ring can interfere with each other to limit the movement of the joint.

[0020] By adopting the above technical solution, the convex ring can interfere with the mating ring to limit the displacement of the joint. After the joint is installed, the convex ring and the mating ring interfere with each other to limit the position of the joint, thereby reducing the possibility of the joint falling out of the connecting pipe and further improving the stability of the three-way valve.

[0021] In summary, this application has at least the following beneficial effects:

[0022] 1. The present application solves the problem that three-way valves in the prior art usually need to be connected using joints, etc., but since the joints are only connected mechanically, liquid leakage is likely to occur at the gap between the joints and the three-way valve after connection. The present application seals the joints by providing a rubber sleeve, thereby reducing the leakage of liquid from the gap between the three-way valve and the joint and improving the sealing of the valve body.

[0023] 2. The present application also provides a corresponding sleeve on the joint, which cooperates with the rubber sleeve to further seal the gap at the joint, thereby further improving the sealing performance of the valve body. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional diagram of the first embodiment.

[0025] Figure 2 It is a cross-sectional view of the first embodiment.

[0026] Figure 3 It is a cross-sectional view of the second embodiment.

[0027] Description of reference numerals:

[0028] 1. Valve body; 11. Handle;

[0029] 2. Connecting pipe; 21. Valve ball; 22. Rubber sleeve; 221. Embedding groove; 222. Fixing block; 223. Fixing hole;

[0030] 3. Sealing tube; 31. Convex ring;

[0031] 4. Connector; 41. Sleeve; 42. External thread; 43. Matching ring;

[0032] 5. Mounting seat; 51. Gear; DETAILED DESCRIPTION

[0033] The present application is further described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0034] Embodiment 1

[0035] like Figure 1 and Figure 2As shown, a rubber-encapsulated three-way valve includes a valve body 1, on which three connecting pipes 2 are arranged, and the three connecting pipes 2 are arranged equidistantly around a midpoint, forming a trident shape as a whole. Valve balls 21 are arranged in the two connecting pipes 2, and a handle 11 is arranged on the connecting pipe 2 corresponding to the valve ball 21. The handle 11 is rotatably connected to the valve body 1, and the valve ball 21 can open and close the passage in the connecting pipe 2 when it rotates. In specific implementation, a through passage is opened in the valve ball 21. When the valve ball 21 is rotated to align the passage with the passage of the connecting pipe 2, the passages of the two can be connected, and the passage in the connecting pipe 2 can be opened at this time. When the passage of the valve ball 21 is not connected to the passage of the connecting pipe 2, the passage in the connecting pipe 2 cannot be connected, and the liquid cannot be normally discharged at this time.

[0036] like Figure 2 As shown, a sealing tube 3 is also provided inside the connecting tube 2 provided with a valve ball 21. The sealing tube 3 is threadedly connected to the inside of the connecting tube 2. A joint 4 for connecting to the outside is also provided on the sealing tube 3. The joint 4 is clamped between the sealing tube 3 and the connecting tube 2. A rubber sleeve 22 is also provided corresponding to the joint 4 on the two connecting tubes 2. The rubber sleeve 22 is sleeved on the connecting tube 2. The rubber sleeve 22 abuts against the joint 4 and blocks the gap between the joint 4 and the connecting tube 2. In specific implementation, the sealing tube 3 is first connected to the joint 4 and then installed in the connecting tube 2. The sealing tube 3 can cooperate with the joint 4 to reduce the leakage of liquid. The joint 4 then abuts against the rubber sleeve 22 to further reduce the leakage of liquid and increase the sealing performance of the valve body 1.

[0037] like Figure 1 and Figure 2 As shown, a sleeve 41 is provided on the joint 4 toward the rubber sleeve 22, and the sleeve 41 wraps the connecting pipe 2, and the sleeve 41 abuts against the rubber sleeve 22. In specific implementation, the sleeve 41 can wrap the connecting pipe 2 to reduce leakage, and can also cooperate with the rubber sleeve 22 to form a seal, further reducing the leakage of liquid.

[0038] like Figure 2 As shown, an embedding groove 221 is provided at one end of the rubber sleeve 22 close to the sleeve 41, and the embedding groove 221 is used to embed the sealing ring. The sealing tube 3 is also provided with an embedding groove 221 for embedding the sealing ring. In specific implementation, after the sealing ring is embedded in the rubber sleeve 22, a tighter connection can be formed between the rubber sleeve 22 and the connecting tube 2, reducing the situation where liquid flows between the rubber sleeve 22 and the connecting tube 2, and the sealing ring at the sealing tube 3 can further reduce the situation where liquid leaks from the joint 4, further improving the sealing performance of the valve body 1.

[0039] like Figure 1 and Figure 2As shown, a fixing block 222 is also provided on the rubber sleeve 22, and the fixing block 222 is integrally provided with the rubber sleeve 22. A fixing hole 223 is provided on the fixing block 222, and the fixing hole 223 is used for connecting with the outside. The fixing block 222 is arranged between the two connecting pipes 2. In a specific implementation, the fixing block 222 can connect the rubber sleeve 22 to the corresponding wall or other positions, thereby fixing the position of the rubber sleeve 22 and reducing the possibility of the rubber sleeve 22 falling off. At the same time, the fixing block 222 is arranged between the connecting pipes 2. After being fixed, the fixing block 222 can also support the rubber sleeves 22 on both sides, thereby further improving the stability of the rubber sleeve 22.

[0040] like Figure 1 and Figure 2 As shown, the connector 4 is provided with an external thread 42, which is arranged at an end of the sleeve 41 away from the connector 4. In specific implementation, the connector 4 can be connected to an external pipe through the external thread 42, which is more convenient to install.

[0041] like Figure 1 and Figure 2 As shown, a convex ring 31 is provided on the sealing tube 3 toward the joint 4, and a matching ring 43 is provided on the joint 4 corresponding to the convex ring 31. The matching ring 43 and the convex ring 31 can interfere with each other to limit the movement of the joint 4. In specific implementation, the joint 4 is first installed with the sealing tube 3 during installation, and then the installation tube is transferred into the connecting tube 2. At this time, the connecting tube 2 can cooperate with the sealing tube 3 to clamp the joint 4, thereby reducing the possibility of the joint 4 falling off.

[0042] Working principle: The connecting pipe 2 is wrapped by the rubber sleeve 22, and the rubber sleeve 22 cooperates with the joint 4 to reduce the leakage of liquid from the connection between the joint 4 and the connecting pipe 2, and further improve the sealing performance of the valve body 1.

[0043] Embodiment 2

[0044] like Figure 3As shown, the main difference between the second embodiment and the first embodiment is that the handle 11 in the second embodiment is detachably connected with a gear 51, a mounting seat 5 is provided between the handles 11, and two gears 51 meshing with each other are also detachably connected to the mounting seat 5, one of the gears 51 on the mounting seat 5 meshes with the gear 51 on one side of the handle 11, and the other gear 51 on the mounting seat 5 meshes with the gear 51 on the other side of the handle 11. In specific implementation, when it is necessary to synchronize the movement of the two valve balls 21 to make the flow separation or confluence more uniform, the four gears 51 can be installed, and the gears 51 on both sides can move toward each other when rotating through the middle gear 51. At this time, rotating one of the handles 11 can drive the other handle 11 to move synchronously, thereby achieving uniform mixing or flow separation of the liquid. When not in use, only one of the gears 51 needs to be removed to adjust the two handles 11 separately.

[0045] Working principle: The basic working principle is the same as that of the first embodiment, but when it is necessary to evenly divert or merge the liquid, the two handles 11 can be connected by installing a gear 51. After the connection, the two handles 11 can rotate synchronously, so that the liquid can be discharged evenly when diverting or merging.

[0046] The above are preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A rubber-coated three-way valve, comprising a valve body (1), wherein the valve body (1) is provided with three connecting pipes (2), wherein the three connecting pipes (2) are equidistantly arranged around a midpoint in the circumferential direction, and characterized in that: A valve ball (21) is arranged in the two connecting pipes (2), and a handle (11) is arranged on the connecting pipe (2) corresponding to the valve ball (21). The handle (11) is rotatably connected to the valve body (1). When the valve ball (21) rotates, the passage in the connecting pipe (2) can be opened and closed. A sealing pipe (3) is also arranged in the connecting pipe (2) provided with the valve ball (21). The sealing pipe (3) is threadedly connected to the inside of the connecting pipe (2). A joint (4) for connecting to the outside is also arranged on the sealing pipe (3). The joint (4) is clamped between the sealing pipe (3) and the connecting pipe (2). A rubber sleeve (22) is also arranged on the two connecting pipes (2) corresponding to the joint (4). The rubber sleeve (22) is sleeved on the connecting pipe (2), and the rubber sleeve (22) abuts against the joint (4) and blocks the gap between the joint (4) and the connecting pipe (2).

2. The rubber-coated three-way valve according to claim 1, characterized in that: A sleeve (41) is arranged on the joint (4) towards the rubber sleeve (22), the sleeve (41) wraps around the connecting pipe (2), and the sleeve (41) abuts against the rubber sleeve (22).

3. The rubber-coated three-way valve according to claim 2, characterized in that: An embedding groove (221) is provided at one end of the rubber sleeve (22) close to the sleeve (41), and the embedding groove (221) is used for embedding a sealing ring.

4. The rubber-coated three-way valve according to claim 1, characterized in that: The rubber sleeve (22) is also provided with a fixing block (222), the fixing block (222) and the rubber sleeve (22) are integrally provided, and the fixing block (222) is provided with a fixing hole (223), and the fixing hole (223) is used for connecting with the outside.

5. The rubber-coated three-way valve according to claim 4, characterized in that: The fixing block (222) is arranged between the two connecting pipes (2).

6. The rubber-coated three-way valve according to claim 2, characterized in that: The joint (4) is provided with an external thread (42), and the external thread (42) is arranged at an end of the sleeve (41) away from the joint (4).

7. The rubber-coated three-way valve according to claim 3, characterized in that: The sealing tube (3) is also provided with an embedding groove (221) for embedding the sealing ring.

8. The rubber-coated three-way valve according to claim 1, characterized in that: A convex ring (31) is arranged on the sealing tube (3) towards the joint (4), and a matching ring (43) is arranged on the joint (4) corresponding to the convex ring (31). The matching ring (43) and the convex ring (31) can interfere with each other to limit the movement of the joint (4).

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