High-sealing drain valve group structure

Abstract

The utility model relates to the technical field of drain valves, in particular to a high-sealing drain valve group structure, which improves the drainage efficiency of condensate water and seals the lower part of a valve casing through the cooperation of the condensate water and a sealing device, thereby improving the sealing effect and reducing steam leakage. Comprising a valve shell and a water inlet pipe which communicates with the upper portion of the outer side wall of the valve shell. The drainage pipe is installed on the outer side wall of the valve shell in a communicating mode, the input end of the first conveying pipe is arranged on the top of the valve shell in a communicating mode, the output end of the first conveying pipe is communicated with the drainage pipe, the temperature sensing valve is arranged on the first conveying pipe in a communicating mode, and the sealing device is arranged on the lower portion of the valve shell; the sealing device is used for controlling air and condensate water in the valve shell to be discharged, and the sealing device communicates with the drainage pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of trap, in particular to a high sealing trap group structure. BACKGROUND

[0002] The trap, also known as a steam trap, is an indispensable key component in a steam system. Its core function is to effectively remove condensed water, air, and carbon dioxide gas generated in the steam pipeline due to heat loss, while ensuring the sealing of the steam system to prevent steam leakage.

[0003] As prior art patent with authorization announcement number CN220099182U, the utility model provides a cage type trap not prone to pitting, including cage type trap: the cage type trap is cage type structure, the inside of cage type trap is equipped with thermal sensitive valve rod, the inside of cage type trap is coated with a layer of anticorrosive layer, thermal sensitive valve rod upper portion is connected with cage type trap fixedly, thermal sensitive valve rod lower portion is connected with hollow float ball, the left side of cage type trap is the flow inlet of heat source medium, the right side of cage type trap is the flow outlet of heat source medium, the diameter of valve core assembly inner wall upper portion is big, and the diameter of lower portion is small.

[0004] However, the hollow float ball of the trap has poor sealing performance for the water outlet, which reduces the reliability of use. UTILITY MODEL CONTENT

[0005] To solve the above technical problems, the utility model provides a high sealing trap group structure that improves the discharge efficiency of condensed water by cooperating with the closed device to close the lower part of the valve shell, thereby improving the sealing effect and reducing steam leakage.

[0006] The utility model discloses a high sealed drain valve group structure, including valve shell and inlet pipe intercommunication, and inlet pipe intercommunication intercommunication sets up on the upper portion of valve shell outer side wall, still include closing device, drain pipe intercommunication, first conveying pipe and temperature -sensitive valve, and drain pipe intercommunication installs on the upper portion of valve shell outer side wall, and first conveying pipe input end intercommunication sets up on the top of valve shell, and first conveying pipe output end and drain pipe intercommunication intercommunication, and temperature -sensitive valve intercommunication sets up on first conveying pipe input end, and closing device sets up on the lower part of valve shell, and closing device is used for controlling the air and condensate in valve shell and exports, and closing device and drain pipe intercommunication intercommunication, when the air passes through inlet pipe intercommunication and enters the inside of valve shell, the air is transported to the inside of drain pipe intercommunication through first conveying pipe, and then is exported outward through drain pipe intercommunication, when the condensate passes through inlet pipe intercommunication and enters the inside of valve shell, the condensate triggers closing device, to make closing device export the condensate to the inside of drain pipe intercommunication outward, and the condensate in valve shell is transported to the inside of drain pipe intercommunication through first conveying pipe and exports, improve the discharge efficiency of condensate, when the steam passes through inlet pipe intercommunication and enters the inside of valve shell, temperature -sensitive valve closes first conveying pipe to the temperature of steam, with the condensate level in valve shell falling, closing device is automatically closed, at this time, through condensate and closing device cooperation, the lower part of valve shell is closed, to improve the sealing effect in valve shell, reduce steam leakage.

[0007] Preferably, the closing device includes a support mechanism, a floating ball, a cylinder, a sealing ring, a sealing plate, a guide rod, a top plate, and a second conveying pipe. The floating ball is arranged inside the valve shell. The cylinder is arranged at the bottom end of the valve shell. The sealing ring is installed on the inner side wall of the cylinder. The guide rod is slidingly installed on the cylinder. The top end of the sealing plate is connected with the bottom end of the guide rod. The top end of the guide rod is connected with the top end of the top plate. The support mechanism is arranged in the cylinder and is used for elastically supporting the sealing plate. The input end of the second conveying pipe is arranged in the lower part of the cylinder. The output end of the second conveying pipe is connected with the drain pipe intercommunication. When the condensate enters the valve shell, the floating ball floats upward. At this time, the sealing plate is supported by the support mechanism to move upward, so that the condensate in the valve shell is transported to the second conveying pipe through the cylinder. The condensate is transported to the drain pipe intercommunication through the second conveying pipe to improve the automatic discharge effect of the condensate. When the condensate level in the valve shell falls, the floating ball moves downward to press the top plate. The top plate drives the sealing plate to move downward through the guide rod. The sealing plate and the sealing ring are closed to seal the cylinder, so that the sealing plate and the sealing ring cooperate to seal the valve shell. At the same time, the condensate seals the upper part of the sealing plate to improve the high sealing property in the valve shell.

[0008] Preferably, the support mechanism includes an extension rod and a spring. The bottom end of the extension rod is fixedly connected with the inner side wall of the cylinder. The top end of the extension rod is fixedly connected with the bottom end of the sealing plate. The spring is sleeved on the outer side wall of the extension rod. The spring provides elastic support for the sealing plate to improve the convenience of automatic drainage in the valve shell.

[0009] Preferably, the magnetic ring is arranged on the outer side wall of the sealing plate, and the sealing plate and the sealing ring are adsorbed by the magnetic ring, so that the sealing property between the sealing ring and the sealing plate is improved.

[0010] Preferably, the sealing ring is arranged on the lower part of the outer side wall of the sealing plate, and the sealing property between the sealing ring and the sealing plate is improved.

[0011] Preferably, the inner sleeve is arranged on the inner side wall of the valve shell, and the collision and abrasion between the float ball and the inner side wall of the valve shell are reduced, so that the service life of the drain valve is prolonged.

[0012] Preferably, the cover is arranged on the input end of the first conveying pipe, and the through hole is arranged on the cover, so that the air and the condensed water in the valve shell are discharged into the first conveying pipe through the cover and the through hole, and the first conveying pipe is prevented from being blocked by the float ball.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: when the air enters into the valve shell through the water inlet pipe, the air is conveyed to the inside of the drain pipe through the first conveying pipe, and then is discharged outwards through the drain pipe; when the condensed water enters into the valve shell through the water inlet pipe, the condensed water triggers the sealing device, so that the sealing device conveys the condensed water into the drain pipe to discharge outwards, and the condensed water in the valve shell is conveyed into the drain pipe through the first conveying pipe to discharge outwards, so that the discharge efficiency of the condensed water is improved; when the steam enters into the valve shell through the water inlet pipe, the temperature of the steam is sensed by the temperature-sensitive valve, and the first conveying pipe is closed; as the condensed water level in the valve shell decreases, the sealing device is automatically closed, so that the lower part of the valve shell is sealed by the condensed water and the sealing device, so that the sealing effect in the valve shell is improved, and the steam leakage is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is the axonometric structure schematic view of the utility model;

[0015] Figure 2 is the axonometric local structure schematic view of the valve shell and the inlet pipe;

[0016] Figure 3 is the axonometric local structure schematic view of the guide rod and the top plate;

[0017] Figure 4 is the axonometric local structure schematic view of the cylinder and the sealing ring;

[0018] Figure 5 is the axonometric structure schematic view of the first conveying pipe and the temperature-sensitive valve;

[0019] Figure 6is the shaft measurement local structure schematic diagram of the cover body and the first conveying pipe etc.

[0020] The drawings are marked: 1, valve shell; 2, inlet pipe; 3, drain pipe communication; 4, first conveying pipe; 5, temperature-sensitive valve; 6, float ball; 7, cylinder body; 8, sealing ring; 9, sealing plate; 10, guide rod; 11, top plate; 12, second conveying pipe; 13, telescopic rod; 14, spring; 15, magnetic ring; 16, sealing ring; 17, inner sleeve; 18, cover body; 19, through hole. DETAILED DESCRIPTION

[0021] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. The present application can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0022] Embodiment 1

[0023] As Figures 1 to 5 shown, a high-sealing drain valve group structure of the present application, including valve shell 1 and water inlet pipe communication 2, water inlet pipe communication 2 is communicated with the upper part of the outer side wall of valve shell 1; It also includes sealing device, drain pipe communication 3, first conveying pipe 4 and temperature-sensitive valve 5, drain pipe communication 3 is installed on the outer side wall of valve shell 1, the input end of first conveying pipe 4 is communicated with the top of valve shell 1, the output end of first conveying pipe 4 is communicated with drain pipe communication 3, temperature-sensitive valve 5 is communicated with the input end of first conveying pipe 4, sealing device is arranged in the lower part of valve shell 1, sealing device is used for controlling the air and condensate in valve shell 1 to discharge, and sealing device is communicated with drain pipe communication 3;

[0024] As Figure 1 and Figure 2 shown, the sealing device includes support mechanism, float ball 6, cylinder body 7, sealing ring 8, sealing plate 9, guide rod 10, top plate 11 and second conveying pipe 12, float ball 6 is arranged in the inside of valve shell 1, cylinder body 7 is arranged at the bottom end of valve shell 1, sealing ring 8 is installed on the inner side wall of cylinder body 7, guide rod 10 is slidingly installed on cylinder body 7, the top end of sealing plate 9 is connected with the bottom end of guide rod 10, the top end of guide rod 10 is connected with the top end of top plate 11, support mechanism is arranged in cylinder body 7, support mechanism is used for elastically supporting sealing plate 9, the input end of second conveying pipe 12 is communicated with the lower part of cylinder body 7, the output end of second conveying pipe 12 is communicated with drain pipe communication 3;

[0025] In this embodiment, when air enters the valve body 1 through the water inlet pipe 2, the air is transported to the drain pipe 3 through the first conveying pipe 4, and then discharged outward through the drain pipe 3. When condensate enters the valve body 1 through the water inlet pipe 2, the condensate triggers the sealing device, which then transports the condensate to the drain pipe 3 for discharge. At the same time, the condensate in the valve body 1 is transported to the drain pipe 3 through the first conveying pipe 4, thus improving the condensate discharge efficiency. When steam enters the valve body 1 through the water inlet pipe 2, the temperature sensing valve 5 senses the temperature of the steam and closes the first conveying pipe 4. As the condensate level in the valve body 1 drops, the sealing device automatically closes. At this time, the condensate and the sealing device work together to seal the lower part of the valve body 1, thereby improving the sealing effect inside the valve body 1 and reducing steam leakage.

[0026] Example 2

[0027] Based on Example 1, such as Figure 3 As shown, the present invention provides a high-sealing steam trap assembly structure, wherein the support mechanism includes a telescopic rod 13 and a spring 14. The bottom end of the telescopic rod 13 is fixedly connected to the inner wall of the cylinder 7, the top end of the telescopic rod 13 is fixedly connected to the bottom end of the sealing plate 9, and the spring 14 is fitted onto the outer wall of the telescopic rod 13.

[0028] like Figure 3 As shown, it also includes a magnetic ring 15, which is installed on the outer wall of the sealing plate 9;

[0029] like Figure 4 As shown, it also includes a sealing ring 16, which is disposed on the lower part of the outer side wall of the sealing plate 9;

[0030] like Figure 2 As shown, it also includes an inner sleeve 17, which is disposed on the inner wall of the valve housing 1;

[0031] like Figure 6 As shown, it also includes a cover 18 and a through hole 19. The cover 18 is disposed on the input end of the first conveying pipe 4, and the through hole 19 is disposed on the cover 18.

[0032] In the embodiment, the condensed water enters the valve housing 1 and makes the floating ball 6 float upwards, at this time, the sealing plate 9 is supported by the supporting mechanism and moves upwards, so that the condensed water in the valve housing 1 is transported to the second conveying pipe 12 through the cylinder 7, and the condensed water is transported to the drain pipe communication 3 through the second conveying pipe 12 and is discharged, so that the automatic discharge effect of the condensed water is improved; when the condensed water level in the valve housing 1 decreases, the floating ball 6 moves downwards and presses the top plate 11, the top plate 11 drives the sealing plate 9 to move downwards through the guide rod 10, the sealing plate 9 is closed with the sealing ring 8 to seal the cylinder 7, so that the sealing plate 9 and the sealing ring 8 cooperate to seal the valve housing 1, and the condensed water seals above the sealing plate 9, so that the high sealing property of the valve housing 1 is improved, and the spring 14 provides elastic support upwards to the sealing plate 9, so that the convenience of the automatic drainage in the valve housing 1 is improved.

[0033] The high-sealing drain valve group structure of the utility model, when air enters the valve housing 1 through the water inlet pipe communication 2, the air is transported to the inside of the drain pipe communication 3 through the first conveying pipe 4, and then is discharged outward through the drain pipe communication 3, when the condensed water enters the inside of the valve housing 1 through the water inlet pipe communication 2, the condensed water triggers the closing device, so that the closing device transports the condensed water to the drain pipe communication 3 and discharges it outward, and the condensed water in the valve housing 1 is transported to the drain pipe communication 3 through the first conveying pipe 4 and discharged, when steam enters the valve housing 1 through the water inlet pipe communication 2, the temperature sensing valve 5 senses the temperature of the steam and closes the first conveying pipe 4, as the condensed water level in the valve housing 1 decreases, the closing device is automatically closed, at this time, the valve housing 1 is closed at the lower part through the cooperation of the condensed water and the closing device.

[0034] The temperature sensing valve 5 of the high-sealing drain valve group structure of the utility model is purchased on the market, and the technical personnel in the industry only needs to install and operate according to the attached instruction manual, without the creative labor of the technical personnel in the field.

[0035] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary technical personnel in the technical field, without departing from the technical principle of the utility model, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection range of the utility model.

Claims

1. A high sealing hydrophobic valve group structure, comprising a valve shell (1) and a water inlet pipe communication (2), the water inlet pipe communication (2) is communicated and arranged on the upper part of the outer side wall of the valve shell (1); characterized in that, The closed device, the drain pipe communication (3), the first conveying pipe (4) and the temperature valve (5) are further included, the drain pipe communication (3) is installed on the outer wall of the valve shell (1), the input end of the first conveying pipe (4) is communicated and arranged on the top of the valve shell (1), the output end of the first conveying pipe (4) is communicated with the drain pipe communication (3), the temperature valve (5) is communicated and arranged on the first conveying pipe (4), the closed device is arranged on the lower part of the valve shell (1), the closed device is used for controlling the air and the condensed water in the valve shell (1) to be discharged, and the closed device is communicated with the drain pipe communication (3).

2. A high sealed hydrophobic valve group structure as claimed in claim 1, wherein, The closed device includes a supporting mechanism, a floating ball (6), a cylinder (7), a sealing ring (8), a sealing plate (9), a guide rod (10), a top plate (11) and a second conveying pipe (12), the floating ball (6) is arranged in the valve shell (1), the cylinder (7) is arranged at the bottom end of the valve shell (1), the sealing ring (8) is installed on the inner side wall of the cylinder (7), the guide rod (10) is slidingly installed on the cylinder (7), the top end of the sealing plate (9) is connected with the bottom end of the guide rod (10), the top end of the guide rod (10) is connected with the top end of the top plate (11), the cylinder (7) is provided with the supporting mechanism, the supporting mechanism is used for elastically supporting the sealing plate (9), and the input end of the second conveying pipe (12) is communicated and arranged on the lower part of the cylinder (7). The output end of the second conveying pipe (12) is communicated with the drain pipe communication (3).

3. A high sealed hydrophobic valve group structure as claimed in claim 2, wherein, The supporting mechanism includes a telescopic rod (13) and a spring (14), the bottom end of the telescopic rod (13) is fixedly connected with the inner side wall of the cylinder (7), the top end of the telescopic rod (13) is fixedly connected with the bottom end of the sealing plate (9), and the spring (14) is sleeved on the outer side wall of the telescopic rod (13).

4. A high sealed hydrophobic valve group structure as claimed in claim 2, wherein, Further include a magnetic ring (15), the magnetic ring (15) is installed on the outer side wall of the sealing plate (9).

5. A high sealed hydrophobic valve group structure as claimed in claim 2, wherein, Further include a sealing ring (16), the sealing ring (16) is arranged on the lower part of the outer side wall of the sealing plate (9).

6. A high sealed hydrophobic valve group structure as claimed in claim 1, wherein, Further include an inner sleeve (17), the inner sleeve (17) is arranged on the inner side wall of the valve shell (1).

7. A high sealed hydrophobic valve group structure as claimed in claim 1, wherein, Further include a cover body (18) and a through hole (19), the cover body (18) is arranged on the input end of the first conveying pipe (4), and the through hole (19) is arranged on the cover body (18).

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