Floating ball type drain valve

Abstract

The utility model discloses a floating ball type drain valve, which belongs to the field of drain valves and comprises a drain valve body, a water inlet is arranged on the left side of the drain valve body, a water outlet is arranged on the right side of the drain valve body, and a protection mechanism is further arranged on the left side of the water inlet. The protection mechanism comprises a straight pipe, a U-shaped pipe, a fixed inner ring, a guide rod, a first compression spring, a second compression spring, a first buffer plate and a second buffer plate, and the arranged protection mechanism is matched with the upper drain valve body for use, so that the impact force or kinetic energy carried by water flow can be effectively buffered; according to the floating ball type drain valve, impact force or kinetic energy generated when water flow enters the drain valve body is reduced, the problem that the drain valve body is damaged and cannot be normally used due to the fact that the water flow directly impacts the floating ball, the valve seat and other components in the valve body is solved, the working efficiency of the floating ball type drain valve is improved, the service life of the floating ball type drain valve is prolonged, and the service life of the drain valve is prolonged. And the normal use of the floating ball type drain valve is ensured.

Description

Technical Field

[0001] The utility model relates to the field of steam traps, in particular to a float type steam trap. Background Art

[0002] The float trap is a key component in steam piping and equipment. It's a mechanical trap that exploits the density difference between condensate and steam. Its internal float is a closed, hollow sphere. As the condensate level rises or falls, the float rises or sinks accordingly, driving the valve disc to open or close, automatically draining condensate, air, and other non-condensable gases while effectively preventing steam leakage. This trap features a simple structure, typically with only one moving part: a finely ground stainless steel hollow float. It's suitable for a variety of steam heating equipment requiring condensate discharge.

[0003] In the prior art, during the actual use of the float-type steam trap, due to the lack of corresponding protective measures at the water inlet end of the float-type steam trap, when the water flow entering the float-type steam trap through the pipeline carries a large impact force or kinetic energy, it may cause damage to the internal components of the valve body. The high-kinetic energy water flow will directly impact the float, valve seat and other components inside the valve body. The vibration or other factors generated by the impact will not only cause wear or deformation of these components, but also affect the normal operation of the steam trap, such as reduced sealing performance and poor drainage. In severe cases, it may even cause the valve body to rupture, causing safety hazards, thereby not only reducing the working efficiency of the float-type steam trap, but also shortening the service life of the float-type steam trap and affecting its normal use. Utility Model Content

[0004] The main purpose of the utility model is to provide a float type steam trap, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A float-type steam trap comprises a steam trap body, a water inlet is provided on the left side of the steam trap body, and a water outlet is provided on the right side of the steam trap body, a protective mechanism is also provided on the left side of the water inlet, and the protective mechanism comprises a straight pipe, a U-shaped pipe, a fixed inner ring, a guide rod, a first compression spring, a second compression spring, a first buffer plate and a second buffer plate, one end of the straight pipe is fixedly connected to the water inlet, and the other end of the straight pipe is fixedly connected to the U-shaped pipe, the fixed inner ring is fixedly connected to the inside of the straight pipe, and the four sides of one side wall of the fixed inner ring are movably connected with the guide rod respectively, one end of the guide rod is fixedly connected to the first buffer plate, and the other end of the guide rod is fixedly connected to the second buffer plate, a first compression spring is fixedly connected between the first buffer plate and the opposite surface wall of the fixed inner ring, and a second compression spring is fixedly connected between the second buffer plate and the opposite surface wall of the fixed inner ring.

[0007] Preferably, one end of the straight pipe is fixedly mounted to the water inlet via a flange, and the other end of the straight pipe is also fixedly mounted with a U-shaped pipe via a flange.

[0008] Preferably, the fixed inner ring is fixedly installed in the straight pipe, and guide holes are respectively opened on four sides of the side wall of the fixed inner ring.

[0009] Preferably, the guide rod is inserted into the guide hole, and the first buffer plate is fixedly installed on the left end of the guide rod, and a plurality of first diversion holes are opened on the side wall of the first buffer plate.

[0010] Preferably, the second buffer plate is fixedly mounted on the other end of the guide rod, and a plurality of second diversion holes are opened on the side wall of the second buffer plate, the number of the second diversion holes is twice that of the first diversion holes, and the diameter of the second diversion holes is half of the first diversion holes.

[0011] Preferably, first fixing sleeves are fixedly installed on the four sides of the opposite walls of the fixed inner ring and the first buffer plate, and the two ends of the first compression spring are respectively fixed on the outer wall of the first fixing sleeve. Second fixing sleeves are fixedly installed on the four sides of the opposite walls of the fixed inner ring and the second buffer plate, and the two ends of the second compression spring are respectively fixed on the outer wall of the second fixing sleeve. The guide rod passes through the first fixing sleeve and the second fixing sleeve on the left and right side walls of the fixed inner ring respectively.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] In the present invention, the protective mechanism is provided in conjunction with the use of the drain valve body. When the water flows through the U-shaped tube before entering the drain valve body, according to the shape structure of the U-shaped tube, the water flows from high to low and then from low to high, which can reduce the impact force carried by the water flow. When the water flows into the straight pipe and contacts the first buffer plate, the first buffer plate will move to the right direction after being impacted and force the first compression spring to perform a tightening operation. At the same time, the second buffer plate is pushed to the right by the guide rod to force the second compression spring to perform an extension operation, so as to buffer the water flow. In conjunction with the first diversion hole opened on the side wall of the first buffer plate, the water flow can be divided into multiple streams. After the multiple streams that pass through the first diversion hole contact the second buffer plate, the second buffer plate will move to the right direction when it is impacted and The second compression spring is driven to extend, and the second buffer plate will also drive the first buffer plate to move to the right side through the guide rod to tighten the first compression spring to further buffer the water flow. At the same time, the second diversion hole on the side wall of the second buffer plate can again divide the water flow into several streams on the basis of the first diversion hole, and then enter the steam trap body through the water outlet, thereby effectively buffering the impact force or kinetic energy carried by the water flow, reducing the impact force or kinetic energy when the water flow enters the steam trap body, and avoiding the problem that the water flow directly impacts the float, valve seat and other components inside the valve body, causing the steam trap body to be damaged and unable to be used normally, thereby not only improving the working efficiency of the float type steam trap, but also extending the service life of the float type steam trap and ensuring the normal use of the float type steam trap. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic cross-sectional view of the overall structure of the present invention;

[0016] Figure 3 For the utility model Figure 2 A magnified schematic diagram of the structure at A;

[0017] Figure 4 For the utility model Figure 3 Schematic diagram of the structural breakdown of the protective mechanism.

[0018] In the figure: 1. steam trap body; 2. water inlet; 3. water outlet; 4. protective mechanism; 5. straight pipe; 6. U-shaped pipe; 7. fixed inner ring; 8. guide hole; 9. first fixing sleeve; 10. second fixing sleeve; 11. first compression spring; 12. second compression spring; 13. guide rod; 14. first buffer plate; 15. second buffer plate; 16. first diversion hole; 17. second diversion hole. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] like Figure 1 - Figure 4 As shown, a float type steam trap includes a steam trap body 1, a water inlet 2 is provided on the left side of the steam trap body 1, and a water outlet 3 is provided on the right side of the steam trap body 1, characterized in that: a protective mechanism 4 is also provided on the left side of the water inlet 2, and the protective mechanism 4 includes a straight tube 5, a U-shaped tube 6, a fixed inner ring 7, a guide rod 13, a first compression spring 11, a second compression spring 12, a first buffer plate 14 and a second buffer plate 15, one end of the straight tube 5 is fixedly connected to the water inlet 2, and the other end of the straight tube 5 is fixedly connected to the U-shaped tube 6, the fixed inner ring 7 is fixedly connected to the inside of the straight tube 5, and the four sides of one side wall of the fixed inner ring 7 are movably connected to the guide rod 13, one end of the guide rod 13 is fixedly connected to the first buffer plate 14, and the other end of the guide rod 13 is fixedly connected to the second buffer plate 15, the first compression spring 11 is fixedly connected between the first buffer plate 14 and the opposite wall of the fixed inner ring 7, and the second compression spring 12 is fixedly connected between the second buffer plate 15 and the opposite wall of the fixed inner ring 7.

[0021] like Figure 2 As shown, one end of the straight pipe 5 is fixedly mounted to the water inlet 2 through a flange, and a U-shaped pipe 6 is also fixedly mounted on the other end of the straight pipe 5 through a flange. When water flows through the U-shaped pipe 6, according to the shape and structure of the U-shaped pipe 6, the water flow will first fall from a high place to a low place, and then climb from a low place to a high place. In this process, the impact force or kinetic energy carried by part of the water flow can be reduced, thereby preliminarily reducing the impact force or kinetic energy carried by the water flow.

[0022] like Figure 3 and Figure 4 As shown, the fixed inner ring 7 is fixedly installed in the straight tube 5, and the four sides of the side wall of the fixed inner ring 7 are respectively provided with guide holes 8. The guide holes 8 opened on the side wall of the straight tube 5 are used to cooperate with the guide rods 13 to play a guiding role.

[0023] like Figure 3 and Figure 4 As shown, the guide rod 13 is inserted into the guide hole 8, and the first buffer plate 14 is fixedly installed at the left end of the guide rod 13. A plurality of first diversion holes 16 are opened on the side wall of the first buffer plate 14. The plurality of first diversion holes 16 opened on the side wall of the first buffer plate 14 can divide the water flow into a plurality of coarser streams.

[0024] like Figure 3 and Figure 4As shown, the second buffer plate 15 is fixedly mounted on the other end of the guide rod 13, and a plurality of second diversion holes 17 are formed on the side wall of the second buffer plate 15. The number of the second diversion holes 17 is twice that of the first diversion holes 16, and the diameter of the second diversion holes 17 is half that of the first diversion holes 16. The second diversion holes 17 formed on the second buffer plate 15 can further subdivide the water flow passing through the first diversion holes 16 into several smaller streams, thereby effectively buffering the impact force or kinetic energy carried by the water flow.

[0025] like Figure 3 and Figure 4 As shown, first fixing sleeves 9 are fixedly mounted on the four opposing walls of the fixed inner ring 7 and the first buffer plate 14, and the two ends of the first compression spring 11 are respectively fitted and fixed to the outer wall of the first fixing sleeve 9. Second fixing sleeves 10 are fixedly mounted on the four opposing walls of the fixed inner ring 7 and the second buffer plate 15, and the two ends of the second compression spring 12 are respectively fitted and fixed to the outer wall of the second fixing sleeve 10. Guide rods 13 pass through the first fixing sleeves 9 and the second fixing sleeves 10 on the left and right side walls of the fixed inner ring 7, respectively. When the first buffer plate 14 or the second buffer plate 15 is impacted by water flow, the first buffer plate 14 and the second buffer plate 15 will move to the right, and the guide rod 13 installed between the first buffer plate 14 and the second buffer plate 15 will move within the guide hole 8, forcing the first compression spring 11 installed between the first fixing sleeve 9 to perform an elastic contraction operation, while the second compression spring 12 installed between the second fixing sleeve 10 will perform an elastic expansion operation, so that the impact force or kinetic energy carried by the water flow can be elastically buffered by the first buffer plate 14 and the second buffer plate 15.

[0026] The specific operating principle of the protection mechanism 4 in conjunction with the steam trap body 1 is as follows:

[0027] Before the water flows into the steam trap body 1 through the water outlet 3, the water flows into the interior of the U-shaped tube 6 in advance. When the water flows into the U-shaped tube 6, according to the shape and structure of the U-shaped tube 6, the water flows will first fall from a high place to a low place, and then climb from a low place to a high place. In this process, the impact force or kinetic energy carried by part of the water flow can be reduced to preliminarily reduce the impact force or kinetic energy carried by the water flow. When the water flows through the U-shaped tube 6 and enters the straight pipe 5 and contacts the first buffer plate 14 in the straight pipe 5, the first buffer plate 14 moves to the right direction when it is impacted by the water flow, so that the guide rod 13 passes through the opening on the side wall of the fixed inner ring 7 installed in the straight pipe 5. The guide hole 8 is provided, and the second buffer plate 15 is pushed to move synchronously to the right direction. At this time, the first compression spring 11 installed between the first buffer plate 14 and the first fixed sleeve 9 on the opposite wall of the fixed inner ring 7 will be forced to perform an elastic tightening operation, and the second compression spring 12 installed between the fixed inner ring 7 and the second fixed sleeve 10 on the opposite wall of the second buffer plate 15 will be forced to perform an elastic extension operation, so as to elastically buffer the impact force of the water flow entering the straight pipe 5. The water flow that partially impacts the first buffer plate 14 will be bounced away, and the other part of the water flow will pass through the multiple first diversion holes 16 opened on the side wall of the first buffer plate 14 to divide the single overall water flow into When several streams of water passing through the first diversion hole 16 impact on the second buffer plate 15, similarly, the second buffer plate 15 is impacted and moves to the right, and the first buffer plate 14 is driven to move synchronously through the guide rod 13, and the second compression spring 12 is forced to perform an elastic extension operation, and the first compression spring 11 is forced to perform an elastic tightening operation. Part of the water flow impacts the second buffer plate 15 and is bounced off, while the other part of the water flow will pass through several second diversion holes 17 opened on the side wall of the second buffer plate 15. Because the number of the second diversion holes 17 is twice that of the first diversion holes 16, and the diameter of the second diversion holes 17 is half of the first diversion holes 16, The water flow can be further divided into several streams. Finally, the water flow passing through the second diversion hole 17 will lose most of its impact force or kinetic energy, making the water flow entering the steam trap body 1 through the water outlet 3 relatively gentle. This can effectively buffer the impact force or kinetic energy carried by the water flow, reduce the impact force or kinetic energy of the water flow when entering the steam trap body 1, and prevent the water flow from directly impacting the float, valve seat and other components inside the valve body, causing the steam trap body 1 to be damaged and unable to function normally. Therefore, the working efficiency of the float-type steam trap is improved, the service life of the float-type steam trap is extended, and the normal use of the float-type steam trap is ensured.

[0028] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, various improvements may be made to the present invention and its components may be replaced with equivalents, or some of its technical features may be replaced with equivalents without departing from the scope of the present invention. Anything within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A float type steam trap, comprising a steam trap body (1), wherein a water inlet (2) is provided on the left side of the steam trap body (1), and a water outlet (3) is provided on the right side of the steam trap body (1), characterized in that: A protective mechanism (4) is further provided on the left side of the water inlet (2), and the protective mechanism (4) comprises a straight tube (5), a U-shaped tube (6), a fixed inner ring (7), a guide rod (13), a first compression spring (11), a second compression spring (12), a first buffer plate (14) and a second buffer plate (15), one end of the straight tube (5) is fixedly connected to the water inlet (2), and the other end of the straight tube (5) is fixedly connected to the U-shaped tube (6), and the fixed inner ring (7) is fixedly connected to the inner ring of the straight tube (5). A guide rod (13) is movably connected to the four sides of one side wall of the fixed inner ring (7), one end of the guide rod (13) is fixedly connected to a first buffer plate (14), and the other end of the guide rod (13) is fixedly connected to a second buffer plate (15), a first compression spring (11) is fixedly connected between the first buffer plate (14) and the opposite surface wall of the fixed inner ring (7), and a second compression spring (12) is fixedly connected between the second buffer plate (15) and the opposite surface wall of the fixed inner ring (7).

2. A float type steam trap according to claim 1, characterized in that: One end of the straight pipe (5) is fixedly mounted to the water inlet (2) via a flange, and the other end of the straight pipe (5) is also fixedly mounted with a U-shaped pipe (6) via a flange.

3. A float type steam trap according to claim 2, characterized in that: The fixed inner ring (7) is fixedly installed in the straight tube (5), and guide holes (8) are respectively opened in four directions of the side wall of the fixed inner ring (7).

4. The float type steam trap according to claim 3, characterized in that: The guide rod (13) is inserted into the guide hole (8), and the first buffer plate (14) is fixedly mounted on the left end of the guide rod (13). A plurality of first diversion holes (16) are provided on the side wall of the first buffer plate (14).

5. The float type steam trap according to claim 4, characterized in that: The second buffer plate (15) is fixedly mounted on the other end of the guide rod (13), and a plurality of second diversion holes (17) are provided on the side wall of the second buffer plate (15). The number of the second diversion holes (17) is twice that of the first diversion holes (16), and the diameter of the second diversion holes (17) is half that of the first diversion holes (16).

6. The float type steam trap according to claim 5, characterized in that: The four sides of the opposite walls of the fixed inner ring (7) and the first buffer plate (14) are respectively fixedly mounted with first fixed sleeves (9), and the two ends of the first compression spring (11) are respectively sleeved and fixed on the outer wall of the first fixed sleeve (9). The four sides of the opposite walls of the fixed inner ring (7) and the second buffer plate (15) are respectively fixedly mounted with second fixed sleeves (10), and the two ends of the second compression spring (12) are respectively sleeved and fixed on the outer wall of the second fixed sleeve (10). The guide rod (13) passes through the first fixed sleeve (9) and the second fixed sleeve (10) on the left and right side walls of the fixed inner ring (7).

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