Ball valve with drainage function
By installing a drain outlet, plug cap, and water hammer absorber in the ball valve, the problem of pipe freezing and cracking caused by water outages in winter is solved, achieving convenient drainage and pipe protection.
Patent Information
- Application Number
- CN202423133598.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-18
AI Technical Summary
During prolonged water outages in winter, tap water in the pipes can easily freeze, causing the pipes to burst. Existing technologies lack effective drainage solutions.
Design a ball valve including an inlet, an outlet, and a drain, equipped with a plug and a sealing rubber gasket. By closing the main valve and draining the water in the pipeline through the drain, freezing and cracking are prevented. The plug is designed with through holes and anti-slip ribs for easy operation. Combined with a water hammer absorber, the pipeline is protected.
It effectively prevents pipes from freezing and cracking, facilitates drainage operations, and allows for rapid drainage during maintenance, protecting pipe equipment from water hammer.
Smart Images

Figure CN223524480U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to ball valve technical field, specifically, relate to a ball valve with drainage function. BACKGROUND
[0002] In winter, when the tap water in the pipeline does not flow for a long time and the tap water in the pipeline freezes, it is easy to cause the pipeline to burst; for example, when the user goes out for a long time, because the tap water in the pipeline has not flowed for a long time, it is easy to cause the freezing of the tap water in the pipeline, so as to cause the burst of the pipeline. SUMMARY
[0003] The utility model solves the technical problem to provide a ball valve with drainage function, which is provided with a drainage port, when the user goes out for a long time, the total valve of the house can be closed, and the tap water in the indoor pipeline can be drained through the drainage port, so that the freezing and cracking of the indoor pipeline can be avoided.
[0004] The utility model provides a ball valve with drainage function, it includes ball valve body, be provided with water inlet and water outlet on the ball valve body, be provided with drainage port on the ball valve body at water inlet side, the outer end part of drainage port is connected with the plug cap of drainage port thread, the inner bottom of plug cap is embedded with sealing rubber pad, and sealing rubber pad and the outer end part of drainage port are in abutment to block drainage port.
[0005] The utility model adopts the above structure, when the user goes out for a long time, the total valve of the house can be closed, and the tap water in the indoor pipeline can be drained through the drainage port, so that the freezing and cracking of the indoor pipeline can be avoided, or when the indoor pipeline needs to be repaired, the total valve of the house can be closed, and the tap water in the indoor pipeline can be drained through the drainage port, so as to facilitate the repair of the indoor pipeline.
[0006] In a possible implementation, the side wall of the plug cap is provided with a through hole, and the through hole penetrates the side wall of the plug cap along the radial direction of the plug cap, when the plug cap is loosened so that the sealing rubber pad is separated from the outer end part of the drainage port, the water in the pipeline connected with the ball valve body can be discharged through the gap between the sealing rubber pad and the drainage port and the through hole, that is, the drainage port can be drained without completely unscrewing the plug cap, so that the drainage of the pipeline is facilitated, and in addition, the plug cap can be avoided from being lost without completely unscrewing the plug cap.
[0007] In a possible implementation, the outer sidewall of the cap is provided with a plurality of anti-skid ribs distributed along the circumferential direction of the cap, and each of the anti-skid ribs extends along the axial direction of the cap. By using the structure, the friction between the fingers and the cap can be increased during the rotation of the cap, so that the anti-skid purpose can be achieved, and the rotation of the cap can be facilitated.
[0008] In a possible implementation, the ball valve further comprises a water hammer absorber, and the ball valve body is further provided with a connecting port, and the water hammer absorber is connected to the connecting port. When the ball valve body is in the open state, the water inlet, the water outlet and the connecting port are in communication with each other. By arranging the water hammer absorber, the water hammer of the tap water from the water inlet can be absorbed by the water hammer absorber when the ball valve body is opened, so that the pipeline or water-using equipment connected to the rear stage of the ball valve body can be protected.
[0009] In a possible implementation, the connecting port and the water inlet are arranged on the left and right sides of the ball valve body in opposition. By using the structure, the water hammer absorber can be arranged opposite to the water inlet, so that the water hammer of the tap water from the water inlet can be more reliably absorbed by the water hammer absorber when the ball valve body is opened. BRIEF DESCRIPTION OF DRAWINGS
[0010] Fig. 1 It is a first sectional view structure schematic diagram of the utility model;
[0011] Fig. 2 It is a second sectional view structure schematic diagram of the utility model. DETAILED DESCRIPTION
[0012] First, those skilled in the art should understand that these embodiments are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can adjust them as needed in order to adapt to specific application occasions.
[0013] In the description of the embodiments of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0014] In the embodiments of the present application, unless explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature can be "above", "over" and "on" the second feature, which can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature can be "below", "under" and "underneath" the second feature, which can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0015] The present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0016] Referring to Figs. 1-2 As shown in the drawings, the embodiments of the present application disclose a ball valve with a drainage function, which comprises a ball valve body 1, the ball valve body 1 is provided with a water inlet 11 and a water outlet 12; the ball valve body 1 located on one side of the water inlet 11 is provided with a drainage port 13, the outer end of the drainage port 13 is sleeved with a plug cap 2 which is threadedly connected with the drainage port 13, the inner bottom of the plug cap 2 is embedded with a sealing rubber pad 3, and the sealing rubber pad 3 abuts against the outer end of the drainage port 13 to block the drainage port 13.
[0017] When the tap water in the indoor pipeline needs to be drained, the indoor main valve is first closed, and then the plug cap is unscrewed from the outer end of the drainage port. At this time, the tap water in the indoor pipeline can be drained through the drainage port on the ball valve body. After the tap water in the indoor pipeline is drained through the drainage port, the situation that the indoor pipeline is frozen and cracked can be avoided, or the maintenance of the indoor pipeline is facilitated.
[0018] The side wall of the plug cap 2 is provided with a through hole 21 which penetrates the side wall of the plug cap 2 along the radial direction of the plug cap 2. After adopting this structure, when the plug cap is loosened to make the sealing rubber pad separate from the outer end of the drainage port, the water in the pipeline connected with the ball valve body can be drained through the gap between the sealing rubber pad and the drainage port and the through hole. That is, the drainage of the drainage port can be achieved without completely unscrewing the plug cap, thereby facilitating the drainage of the pipeline. In addition, the loss of the plug cap can be avoided without completely unscrewing the plug cap.
[0019] The outer side wall of the plug cap 2 is provided with a plurality of anti-skid ribs 22 which are distributed along the circumferential direction of the plug cap 2 at intervals, and each anti-skid rib 22 extends along the axial direction of the plug cap 2. After adopting this structure, under the action of the anti-skid ribs, the friction between the fingers and the plug cap can be increased during the rotation of the plug cap, so as to achieve the purpose of anti-skid and facilitate the rotation of the plug cap.
[0020] The ball valve further comprises a water hammer absorber 4, and the ball valve body 1 is further provided with a connecting port 14, and the water hammer absorber 4 is connected with the connecting port 14; when the ball valve body 1 is in an open state, the water inlet port 11, the water outlet port 12 and the connecting port 14 are communicated with each other; through the arrangement of the water hammer absorber, when the ball valve body is opened, the water hammer absorber can absorb the water hammer of the tap water from the water inlet port, thereby being capable of protecting the pipeline or water using equipment connected behind the ball valve body.
[0021] The connecting port 14 is oppositely arranged with the water inlet port 11 on the left and right sides of the ball valve body 1; through the adoption of the structure, the water hammer absorber can be oppositely arranged with the water inlet port, thereby being capable of more reliably absorbing the water hammer of the tap water from the water inlet port when the ball valve body is opened.
[0022] The above is merely a specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A ball valve with drainage function, comprising a ball valve body (1), a water inlet (11) and a water outlet (12) are arranged on the ball valve body (1); characterized in that: The ball valve body (1) on the side of the water inlet (11) is provided with a drain port (13), the outer end of the drain port (13) is sleeved with a plug cap (2) which is screwed with the drain port (13), the inner bottom of the plug cap (2) is embedded with a sealing rubber pad (3), and the sealing rubber pad (3) abuts against the outer end of the drain port (13) to block the drain port (13).
2. The ball valve with a drainage function according to claim 1, characterized in that: The side wall of the plug cap (2) is provided with a through hole (21) which penetrates the side wall of the plug cap (2) along the radial direction of the plug cap (2).
3. Ball valve with drainage function according to claim 1 or 2, characterized in that: The outer side wall of the plug cap (2) is provided with a plurality of anti-skid convex ribs (22) which are distributed along the circumferential direction of the plug cap (2), and each anti-skid convex rib (22) extends along the axial direction of the plug cap (2).
4. The ball valve with a drainage function according to claim 3, characterized in that: The ball valve further comprises a water hammer absorber (4), the ball valve body (1) is further provided with a connecting port (14), and the water hammer absorber (4) is connected with the connecting port (14); when the ball valve body (1) is in an open state, the water inlet (11), the water outlet (12) and the connecting port (14) are communicated with each other.
5. The ball valve with a drainage function according to claim 4, characterized in that: The connecting port (14) and the water inlet (11) are oppositely arranged on the left and right sides of the ball valve body (1).