Valve with anti-freezing effect

Abstract

The application belongs to the field of valves, and particularly relates to a valve with anti-freezing effect, which comprises a valve body, a valve pipe formed on the water inlet and outlet end of the valve body, and a flange interface installed on the valve pipe; an opening and closing mechanism comprises a shaft seat installed on the upper part of the valve body, and a driving device installed on the upper part of the shaft seat; the valve is improved, a channel for discharging residual liquid outward is added at the originally closed valve cavity, the opening and closing of the channel is controlled by a movable heating end seat, when a retaining hole and a drain hole are connected as a passage, residual liquid in the valve cavity can be directly discharged through the passage, freezing of the residual liquid in the valve cavity when the valve is closed is prevented, and the heating end seat can penetrate into the inner cavity of a valve plate when liquid is transmitted, the heating disc is heated by the combination of the heating end seat and a heat conduction interface, the transmitted liquid is heated by heat conduction of the valve plate, freezing in a cold environment is prevented, and the anti-freezing effect of the valve is improved.

Description

Technical Field

[0001] This invention relates to the field of valves, and more specifically to a valve with antifreeze properties. Background Technology

[0002] The purpose of valve antifreeze is to protect valves from the effects of low-temperature environments, ensure their normal operation, and prevent damage and malfunctions caused by freezing.

[0003] Valve antifreeze can prevent pipe rupture: In cold seasons, water flow is easily frozen, causing pipes to freeze. The volume of water expands when it freezes, which may cause the pipe to rupture, thus affecting the use of the entire system. When the pipes in the water flow are frozen, the valves are also easily frozen, causing them to lose their function and be unable to open or close normally. If not dealt with in time, the water inside the valve will have a destructive effect on the valve if it freezes further. Summary of the Invention

[0004] (I) Purpose of the Invention

[0005] To address the technical problems existing in the background art, the present invention proposes a valve with antifreeze effect, which features convenient drainage of residual moisture in the valve cavity and heating of the valve cavity when used in cold conditions.

[0006] (II) Technical Solution

[0007] To solve the above-mentioned technical problems, the present invention provides a valve with antifreeze effect, including a valve body, wherein the inlet and outlet ends of the valve body are formed with valve pipes, and the valve pipes are equipped with flange interfaces;

[0008] The opening and closing mechanism includes a bearing seat installed on the upper part of the valve body, a drive device installed on the upper part of the bearing seat, a valve shaft that penetrates the inner cavity of the valve body installed at the output end of the drive device, and a valve plate that separates the valve body and valve cavity is sleeved on the outer wall of the valve shaft.

[0009] The drainage mechanism includes a support formed at the bottom of the valve body, and through holes are symmetrically provided at the junction of the support and the valve body. A drainage hole that is inclined outward is provided at the upper part of the through hole.

[0010] The heating mechanism includes a cylinder installed below the support. A piston rod that moves along the channel of the retention hole is installed at the output end of the cylinder. A heating end seat is installed at the other end of the piston rod. The other end of the heating end seat is connected to a heat-conducting interface installed inside the valve plate. The heat-conducting interface is connected to a heating plate installed inside the valve plate for heat dissipation.

[0011] Preferably, the outer diameter of the valve plate is attached to the inner diameter of the valve cavity of the valve body. When the valve plate is parallel to the channel of the valve pipe, the valve cavity is in a closed state; otherwise, the valve cavity is in a through state.

[0012] Preferably, the valve shaft is controlled to rotate by the drive device, and the valve plate moves synchronously with the valve shaft.

[0013] Preferably, the retention hole on the support extends through the bottom of the valve cavity of the valve body, and the combination of the drain hole and the retention hole is a "type seven" structure. The opening and closing of both are controlled by the valve plate and the heating end seat.

[0014] Preferably, the bottom of the valve plate is provided with a guide hole that matches the retention hole, and a heat conduction interface is installed in the guide hole. The two heat conduction interfaces are respectively connected to the heating plates of two independent cavities in the valve plate.

[0015] Preferably, the heating end seat is controlled by the piston rod to move along the indwelling hole channel, and its position includes being above the drain hole, attached to the drain hole, and below the drain hole.

[0016] Preferably, the upper and lower parts of the heating end seat are respectively fitted with a partition ring attached to the inner wall of the indwelling hole, and the partition ring is a sealing structure that separates the indwelling hole channel.

[0017] Preferably, the upper part of the heating end seat has a "conical" structure, and the guide hole at the bottom of the valve plate is always dry.

[0018] Preferably, the valve tube is covered with a heating sleeve, and the empty part is covered with a heat-insulating liner with a "pleated" structure.

[0019] The above-described technical solution of the present invention has the following beneficial technical effects:

[0020] 1. The valve was improved by adding a channel for discharging residual liquid to the originally closed valve cavity. The opening and closing of the channel is controlled by a movable heating end seat. When the indwelling hole and the drain hole are connected to form a passage, the residual liquid in the valve cavity can be directly discharged through this passage, preventing the residual liquid from freezing in the valve cavity when the valve is closed, which would obstruct the rotation of the valve plate and affect the normal use of subsequent valves, thus improving the valve's antifreeze effect.

[0021] 2. During liquid transfer, the heating end can penetrate into the inner cavity of the valve plate. The heating plate is heated by the combination of the heating end and the heat conduction interface. The heat conduction of the valve plate heats the transferred liquid, preventing freezing in cold environments and improving the antifreeze effect of the valve. Attached Figure Description

[0022] Figure 1This is a schematic diagram of the structure of the present invention;

[0023] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0024] Figure 3 This is a schematic diagram of the valve opening structure of the present invention;

[0025] Figure 4 This is a schematic diagram of the heating mechanism structure of the present invention;

[0026] Figure 5 This is a schematic diagram of the valve closing structure of the present invention;

[0027] Figure 6 This is a schematic diagram of the valve drainage structure of the present invention;

[0028] Figure 7 This is a schematic diagram of the valve heat insulation structure of the present invention.

[0029] Figure label:

[0030] 1. Valve body; 2. Valve pipe; 3. Flange interface; 41. Shaft seat; 42. Drive device; 43. Valve shaft; 44. Valve plate; 51. Support; 52. Drain hole; 53. Drain hole; 61. Cylinder; 62. Piston rod; 63. Heating end seat; 64. Separator ring; 65. Heat conduction interface; 66. Heating plate; 7. Heating sleeve; 8. Insulation bushing. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to specific embodiments and the accompanying drawings. It should be understood that these descriptions are merely exemplary and not intended to limit the scope of the invention. Furthermore, descriptions of well-known structures and techniques are omitted in the following description to avoid unnecessarily obscuring the concept of the invention.

[0032] like Figure 1-6 As shown, the present invention proposes a valve with antifreeze effect, including a valve body 1, a valve pipe 2 formed at the inlet and outlet ends of the valve body 1, and a flange interface 3 installed on the valve pipe 2.

[0033] The opening and closing mechanism includes a bearing seat 41 installed on the upper part of the valve body 1, a drive device 42 installed on the upper part of the bearing seat 41, a valve shaft 43 that penetrates the inner cavity of the valve body 1 installed at the output end of the drive device 42, and a valve plate 44 that separates the valve cavity of the valve body 1 is sleeved on the outer wall of the valve shaft 43.

[0034] The drainage mechanism includes a support 51 formed at the bottom of the valve body 1, and through holes 52 are symmetrically provided at the junction of the support 51 and the valve body 1. A drainage hole 53 is provided at the upper part of the through hole 52 that is inclined outward.

[0035] The heating mechanism includes a cylinder 61 installed below the support 51. A piston rod 62 that moves along the channel of the retention hole 52 is installed at the output end of the cylinder 61. A heating end seat 63 is installed at the other end of the piston rod 62. The other end of the heating end seat 63 is connected to a heat conduction interface 65 installed inside the valve plate 44. The heat conduction interface 65 is connected to a heating plate 66 installed inside the valve plate 44 for heat dissipation.

[0036] It should be noted that the outer diameter of the valve plate 44 is attached to the inner diameter of the valve cavity of the valve body 1. When switching the valve opening and closing, the valve shaft 43 is driven to rotate by the drive device 42, and the valve plate 44 moves synchronously with the valve shaft 43. At this time, the valve plate 44 rotates within the valve cavity of the valve body 1. When the valve plate 44 is parallel to the channel of the valve pipe 2, the valve cavity 44 is divided into two sections at the inlet and outlet of the valve pipe 2, and is in a closed state.

[0037] Conversely, the valve plate 44 always maintains a staggered channel with the valve cavity, allowing for the connection between the valve pipe 2 and the water inlet / outlet.

[0038] In this embodiment, a support 51 is added to the bottom of the valve body 1, and a through-hole 52 is opened at the junction of the support 51 and the valve body 1. A channel for discharging residual liquid is added to the originally closed valve cavity. The opening and closing of the channel is controlled by the piston rod 62 at the output end driven by the cylinder 61. The initial opening and closing of the through-hole 52 is switched by the position of the heating end seat 63. When the through-hole 52 and the drain hole 53 are connected to form a passage, the residual liquid in the valve cavity can be directly discharged through this passage, preventing the residual liquid from freezing in the valve cavity when the valve is closed, which would obstruct the rotation of the valve plate 44 and affect the normal use of the valve. This improves the antifreeze effect of the valve.

[0039] It is understandable that the retention hole 52 opened on the support 51 passes through the bottom of the valve cavity of the valve body 1. Since the valve cavity is a spherical structure, the residual liquid gathers at the bottom of the spherical structure and is initially discharged through the retention hole 52. Since the combination of the drain hole 53 and the retention hole 52 is a "type seven" structure, the opening and closing of the two are controlled by the valve plate 44 and the heating end seat 63. When the valve plate 44 is offset from the upper part of the retention hole 52, the liquid can flow into the channel of the retention hole 52. However, at this time, the heating end seat 63 blocks the side drain hole 53. The drain hole 53 and the retention hole 52 can be combined into a passage to discharge the residual water by sliding the heating end seat 63 down along the channel of the retention hole 52.

[0040] In another embodiment, the heating end seat 63 is controlled by the piston rod 62 to move along the channel of the indwelling hole 52, and its position includes being above the drain hole 53, attached to the drain hole 53, and below the drain hole 53.

[0041] When the heating end seat 63 is located above the drain hole 53, the bottom of the valve plate 44 has a guide hole that matches the retention hole 52. A heat conduction interface 65 is installed in the guide hole. The two heat conduction interfaces 65 are respectively connected to the heating plate 66 in the two independent cavities in the valve plate 44. At this time, the guide hole at the bottom of the valve plate 44 is attached to the retention hole 52 for preliminary sealing to prevent liquid from seeping into the retention hole 52. The valve cavity is in a through state for liquid transmission. The cylinder 61 drives the piston rod 62 to extend upward, inserting the heating end seat 63 into the guide hole and connecting it with the heat conduction interface 65. At this time, the heating plate 66 releases heat through the cooperation of the heating end seat 63 and the heat conduction interface 65, and releases heat to the transmitted liquid through the valve plate 44, increasing the temperature in the valve cavity and preventing the valve cavity from freezing due to excessively low temperature.

[0042] When the side wall of the heating end seat 63 is attached to the drain hole 53, regardless of whether the valve cavity of the valve body 1 is in the open or closed state, the lower part of the retention hole 52 is blocked by the heating end seat 63. When liquid seeps into the retention hole 52, it will not seep out from the drain hole 53 because the drain hole 53 is blocked by the side wall of the heating end seat 63, thus ensuring the sealing of the valve body 1.

[0043] When the heating end seat 63 is located below the drain hole 53, the valve cavity of the valve body 1 should be in a closed state to discharge the residual liquid in the valve cavity. The heating end seat 63 is controlled by the contraction of the piston rod 62 at the output end of the cylinder 61, which forms a passage between the inclined drain hole 53 and the retention hole 52, and the residual liquid is directly discharged through this passage.

[0044] like Figure 3 As shown, the upper and lower parts of the heating end seat 63 are respectively fitted with a partition ring 64 attached to the inner wall of the retention hole 52. The partition ring 64 is a sealing structure that separates the channel of the retention hole 52. When the heating end seat 63 moves along the channel of the retention hole 52, the partition ring 64 always separates the channel of the retention hole 52 to prevent liquid from directly penetrating the retention hole 52 and ensure the sealing stability of the retention hole 52.

[0045] like Figure 2 and Figure 4 As shown, the upper part of the heating end seat 63 has a "conical" structure. The purpose of the "conical" structure is to prevent residual moisture in the upper part of the heating end seat 63. The liquid slides down along the "conical" structure and is dried by heating, so that it is in a dry state when it enters the valve plate 44 and cooperates with the heat conduction interface 65. The guide hole at the bottom of the valve plate 44 is always in a dry state. In the dry state, the heating plate 66 releases heat more stably.

[0046] It is understandable that there are two sets of heating plates 66, which are located near the front and rear walls of the valve plate 44 respectively. The heating plates 66 release heat and the valve plate 44 conducts heat to raise the temperature of the liquid in the valve cavity.

[0047] like Figure 7 As shown, the valve pipe 2 is covered with a heating sleeve 7, and the empty part is covered with a heat insulation liner 8 with a "pleated" structure.

[0048] It should be noted that the heating sleeve 7 is an external heating device used to heat the outside of the valve tube 2 under cold conditions. It works in conjunction with the heating sleeve 7 to keep the valve tube 2 warm and improve the antifreeze performance of the valve tube 2.

[0049] It should be understood that the specific embodiments described above are merely illustrative or explanatory of the principles of the invention and do not constitute a limitation thereof. Therefore, any modifications, equivalent substitutions, improvements, etc., made without departing from the spirit and scope of the invention should be included within the protection scope of the invention. Furthermore, the appended claims are intended to cover all variations and modifications falling within the scope and boundaries of the appended claims, or equivalent forms of such scope and boundaries.

Claims

1. A valve with antifreeze effect, characterized in that, Includes a valve body (1), the inlet and outlet ends of the valve body (1) are formed with valve pipes (2), and the valve pipes (2) are equipped with flange interfaces (3); The opening and closing mechanism includes a bearing seat (41) installed on the upper part of the valve body (1), a drive device (42) is installed on the upper part of the bearing seat (41), a valve shaft (43) that penetrates the inner cavity of the valve body (1) is installed at the output end of the drive device (42), and a valve plate (44) that separates the valve cavity of the valve body (1) is sleeved on the outer wall of the valve shaft (43). The drainage mechanism includes a support (51) formed at the bottom of the valve body (1), and a through-hole (52) is symmetrically opened at the combination of the support (51) and the valve body (1). A drainage hole (53) inclined outward is opened at the upper part of the through-hole (52). The heating mechanism includes a cylinder (61) installed below the support (51). The output end of the cylinder (61) is equipped with a piston rod (62) that moves along the channel of the retention hole (52). The other end of the piston rod (62) is equipped with a heating end seat (63). The other end of the heating end seat (63) is connected to a heat conduction interface (65) installed inside the valve plate (44). The heat conduction interface (65) is connected to a heating plate (66) installed inside the valve plate (44) for heat dissipation.

2. The valve with antifreeze effect according to claim 1, characterized in that, The outer diameter of the valve plate (44) is attached to the inner diameter of the valve cavity of the valve body (1). When the valve plate (44) is parallel to the channel of the valve pipe (2), the valve cavity is in a closed state; otherwise, the valve cavity is in a through state.

3. A valve with antifreeze effect according to claim 1, characterized in that, The valve shaft (43) is driven to rotate by the drive device (42), and the valve plate (44) moves synchronously with the valve shaft (43).

4. A valve with antifreeze effect according to claim 1, characterized in that, The retention hole (52) on the support (51) extends through the bottom of the valve cavity of the valve body (1). The combination of the drain hole (53) and the retention hole (52) is a "type seven" structure. The opening and closing of the two are controlled by the valve plate (44) and the heating end seat (63).

5. A valve with antifreeze effect according to claim 1, characterized in that, The bottom of the valve plate (44) is provided with a guide hole that matches the retention hole (52). A heat conduction interface (65) is installed in the guide hole. The two heat conduction interfaces (65) are respectively connected to the heating plate (66) of two independent cavities in the valve plate (44).

6. A valve with antifreeze effect according to claim 1, characterized in that, The heating end seat (63) is controlled by the piston rod (62) to move along the channel of the indwelling hole (52), and its position includes being above the drain hole (53), attached to the drain hole (53), and below the drain hole (53).

7. A valve with antifreeze effect according to claim 1, characterized in that, The upper and lower parts of the heating end seat (63) are respectively fitted with a partition ring (64) attached to the inner wall of the indwelling hole (52), and the partition ring (64) is a sealing structure that separates the channel of the indwelling hole (52).

8. A valve with antifreeze effect according to claim 1, characterized in that, The upper part of the heating end seat (63) has a "conical" structure, and the bottom guide hole of the valve plate (44) is always dry.

9. A valve with antifreeze effect according to claim 1, characterized in that, The valve tube (2) is covered with a heating sleeve (7) and the empty part is covered with a heat insulation liner (8) with a "pleated" structure.

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