Combined type large-displacement drain valve

By designing support and auxiliary components, the deformation and detachment of the steam trap under water hammer effect were solved, achieving the stability of the bellows and effective discharge of condensate, thus improving the reliability of the steam trap.

CN223563982UActive Publication Date: 2025-11-18SHANDONG WANLUO XINHE CONTROL ENG CO LTD
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Patent Information

Application Number
CN202423072116.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-11-18
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

Existing steam traps are susceptible to water hammer effects during use, which can cause the bellows components to deform and fall off, resulting in low reliability.

Method used

Support components are used to support and fix the bellows, and auxiliary components are used to block the lateral impact force of condensate. The discharge path of condensate is optimized by hydrophobic one-way components and float structure to avoid bellows deformation and detachment.

Benefits of technology

It improves the stability of the bellows, avoids deformation and detachment caused by water hammer, enhances the reliability of the steam trap, and ensures the effective discharge of condensate.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223563982U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of valves, in particular to a combined type large-displacement drain valve, which prevents a corrugated pipe from falling off due to filtering deformation when the corrugated pipe is impacted by a water hammer effect, and improves the reliability in use. Comprising a valve body, a water inlet pipe, a water conveying pipe, two corrugated pipes, an exhaust valve, a supporting assembly and an auxiliary assembly, the water inlet pipe and the water conveying pipe are fixedly connected to the upper portions of the left side and the right side of the valve body, the corrugated pipes are connected to the output ends of the water inlet pipe and the water conveying pipe through flanges, the supporting assembly is installed outside the corrugated pipes, and the auxiliary assembly is installed inside the valve body.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of valve, in particular to a combined large -capacity trap. BACKGROUND

[0002] Valve is the control part in fluid delivery system, has the functions such as cut-off, regulation, flow guide, prevent backflow, pressure stabilization, shunt or overflow pressure relief. The valve for fluid control system, trap is a kind of valve, also called trap, drain valve, is the condensate in steam system is discharged as soon as possible, while maximum limit is automatically prevented steam leakage. When the valve that opens suddenly closes or water supply pump stops, water flow to valve and pipe wall, mainly valve or pump will produce a pressure, due to the smooth pipe wall, subsequent water flow under the action of inertia, water power reaches maximum rapidly, and produces destructive effect. The prior art announcement No. CN212132000U proposes a kind of large -capacity pump formula trap with universal joint, including trap body, the left side of the trap body is provided with import pipe, the right side of the trap body is provided with discharge pipe and regulating valve port, the import pipe, discharge pipe and regulating valve port are all provided with first flange plate, the first flange plate is provided with universal joint component, the utility model is a kind of large -capacity pump formula trap with universal joint, by setting regulating valve port, corrugated portion and plugging bolt etc., reaches the flexible installation of trap, and good use effect, it is convenient to clean etc. effect, solves the connection installation of the trap of current in use, the connection port in each direction is not flexible enough, and the use is not convenient. But due to the water hammer effect that trap will appear when using, water hammer effect can cause corrugated portion to be impacted and produce deformation when using, can make gas flow uneven when gas is transferred, simultaneously also can easily lead to the condition that corrugated portion appears to fall off, and the reliability of use is lower. SUMMARY

[0003] To solve the above technical problems, the utility model provides a kind of combined large -capacity trap to avoid that corrugated pipe is impacted when receiving water hammer effect and appears filter deformation and leads to appear to fall off, improve the reliability of use when.

[0004] The utility model discloses a combined large -displacement trap valve, including valve body, water inlet pipe, water pipe, two bellows, exhaust valve, support subassembly and auxiliary assembly, and the upper portion fixed connection of valve body left and right sides has water inlet pipe and water pipe, and the output of water inlet pipe and water pipe is connected with the bellows through the flange, and the support subassembly is installed outside the bellows, and the auxiliary assembly is installed inside the valve body, after the water inlet pipe and water pipe are adjusted to any position by the bellows and are folded, the support subassembly can support and fix the bellows, the angle of the bellows is more stable, avoids the phenomenon that the bellows appears the drop due to the filter deformation when being impacted by the water hammer effect, and the auxiliary assembly can effectively block the transverse impact force of the condensed water, can scatter the condensed water and discharge into its inside, avoids the stagnation caused by the impact force of the large amount of water flow to the float ball.

[0005] Preferably, the support assembly comprises a flange plate, a fixed ring, three connecting rods, three telescopic rods, three movable sleeves, three movable ball heads and three locking screws, the flange plate is installed at one end of the bellows away from the valve body, the fixed ring is installed on the inner wall of the flange plate, a plurality of connecting rods are installed on the fixed ring in an axial and uniform manner, the movable sleeve is installed at one end of the connecting rod away from the fixed ring, the movable ball head is movably installed in the movable sleeve, the locking screw is screwed on the outer wall of the movable sleeve, the telescopic rod is installed on the side of the movable ball head away from the connecting rod, and the telescopic rod is installed on the connecting flange.

[0006] Preferably, the telescopic rod comprises a sliding rod, a receiving sleeve rod and a locking screw rod, one end of the sliding rod is fixedly connected with the movable ball head, the other end of the sliding rod is slidably installed in the receiving sleeve rod, the receiving sleeve rod is fixedly installed on the connecting flange, and the locking screw rod is screwed on the outer wall of the receiving sleeve rod away from the connecting flange.

[0007] Preferably, the auxiliary assembly comprises a fixed frame, a sliding rod, a water blocking valve ball and a spring, the fixed frame is installed at the top end in the valve body, the sliding rod is installed on the left side of the fixed frame, the water blocking valve ball is concentrically and slidably installed on the sliding rod, the water blocking valve ball is clamped on the output end of the water inlet pipe, the water blocking valve ball is provided with a water outlet hole at the lower part, the spring is sleeved on the outer wall of the sliding rod, and the left and right ends of the spring are connected with the outer wall of the fixed frame and the water blocking valve ball respectively. When a large amount of condensed water flows into the valve chamber, the water blocking valve ball is opened, at this time, the water blocking valve ball limits the transverse entry of the water flow, and the condensed water can only enter through the gap generated by the water blocking valve ball, so as to weaken the transverse impact force.

[0008] Preferably, the arc-shaped push plate is arranged on the right lower side outer wall of the water blocking valve ball, and when the water blocking valve ball is pushed open by the condensed water, the arc-shaped push plate of the water blocking valve ball moves together, the movement of the arc-shaped push plate pushes away the floating ball, the distance between the floating ball and the inner wall of the locking screw is increased, and the speed of the condensed water entering below the floating ball is increased.

[0009] Preferably, the water blocking box and the water blocking one-way piece are further arranged, the water blocking box is fixedly arranged on the right side wall of the valve body, the output end in the water blocking box is communicated with the input end of the water conveying pipe, and the water blocking one-way piece is communicated with the valve body; after the distance between the floating ball and the inner wall of the valve chamber is increased, the bottom touch speed of the condensed water is increased, so that the condensed water enters the water blocking box through the water blocking one-way piece, and is discharged through the water conveying pipe.

[0010] Preferably, the exhaust valve and the protrusion are further arranged, the exhaust valve is arranged above the floating ball, the exhaust valve is arranged at the top of the valve body, the protrusion is arranged on one side of the water blocking one-way piece, the protrusion is arranged at the bottom end in the valve body, the protrusion is arranged below the floating ball, and the protrusion is in an arc shape; the protrusion is arranged between the floating ball and the bottom surface of the valve body, the protrusion can increase the gap of the bottom of the floating ball, accelerate the entering speed of the condensed water, effectively accelerate the rising of the floating ball, and further assist the water blocking valve ball.

[0011] Compared with the prior art, the beneficial effects of the utility model are that: after the water inlet pipe and the water conveying pipe are bent and adjusted to any position through the corrugated pipe, the supporting assembly can support and fix the corrugated pipe, the angle of the corrugated pipe is relatively stable, the phenomenon that the corrugated pipe is separated due to filtering deformation caused by water hammer effect impact is avoided, the auxiliary assembly can effectively block the transverse impact force of the condensed water, the condensed water can be dispersed and discharged into the auxiliary assembly, and the stagnation of the floating ball caused by the impact force of a large amount of water flow is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is an isometric structural schematic diagram of the utility model;

[0014] Figure 3 It is a front view structural schematic diagram of the utility model;

[0015] Figure 4 It is a front view sectional structural schematic diagram of the utility model;

[0016] Figure 5 It is an upper sectional structural schematic diagram of the utility model;

[0017] The following are labels in the attached diagram: 1. Valve body; 2. Inlet pipe; 3. Outlet pipe; 4. Bellows; 5. Flange; 6. Retaining ring; 7. Connecting rod; 8. Telescopic rod; 9. Movable sleeve; 10. Movable ball head; 11. Locking screw; 12. Sliding rod; 13. Retractable sleeve rod; 14. Locking screw; 15. Air vent valve; 16. Drainage block box; 17. Drainage one-way component; 18. Protrusion; 19. Float ball; 20. Fixing bracket; 21. Sliding rod; 22. Water-blocking valve ball; 23. Drain hole; 24. Spring; 25. Arc-shaped actuating plate. Detailed Implementation

[0018] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete.

[0019] like Figures 1 to 5 As shown, an inlet pipe 2 and a delivery pipe 3 are fixedly connected to the upper left and right sides of the valve body 1. The output ends of the inlet pipe 2 and the delivery pipe 3 are connected to a bellows 4 via flanges. A flange 5 is installed at the end of the bellows 4 away from the valve body 1. A fixing ring 6 is installed on the inner wall of the flange 5. Multiple connecting rods 7 are axially and evenly installed on the fixing ring 6. A movable sleeve 9 is installed at the end of the connecting rod 7 away from the fixing ring 6. A movable ball head 10 is movably installed inside the movable sleeve 9. A locking screw 11 is screwed onto the outer wall of the movable sleeve 9. A telescopic rod 8 is installed on the side of the movable ball head 10 away from the connecting rod 7. The telescopic rod 8 is installed on the connecting flange. The telescopic rod 8 includes a sliding rod 12, a receiving sleeve rod 13, and a locking screw 14. One end of the sliding rod 12 is fixedly connected to the movable ball head 10. The other end of the sliding rod 12 is slidably installed inside the receiving sleeve rod 13. The receiving sleeve rod 13 is fixedly installed on the connecting flange. A locking screw 14 is screwed onto the outer wall of the receiving sleeve rod 13 away from the connecting flange. A fixing bracket 2 is also included. 0 is installed inside the top of the valve body 1. A slide rod 21 is installed on the left side of the fixing bracket 20. The water-blocking valve ball 22 is concentrically slidably installed on the slide rod 21. The water-blocking valve ball 22 is snapped into the output end of the water inlet pipe 2. A drain hole 23 is opened at the bottom of the water-blocking valve ball 22. A spring 24 is fitted on the outer wall of the slide rod 21. The left and right ends of the spring 24 are respectively connected to the outer walls of the fixing bracket 20 and the water-blocking valve ball 22. The float ball 19 is located inside the valve body 1. An arc-shaped actuation device is installed on the lower right outer wall of the water-blocking valve ball 22. Plate 25 and water-blocking box 16 are fixedly installed on the right side wall of valve body 1. The output end of water-blocking box 16 is connected to the input end of water supply pipe 3 and is connected to valve body 1 through water-blocking one-way component 17. Air vent valve 15 is installed above float ball 19. Air vent valve 15 is installed at the top of valve body 1. A protrusion 18 is installed on one side of water-blocking one-way component 17. The protrusion 18 is located at the bottom of valve body 1 and below float ball 19. The protrusion 18 is an arc-shaped protrusion.

[0020] When the water inlet pipe 2 and the water delivery pipe 3 are bent to adjust any position by the corrugated pipe 4, the flange plate 5 and the fixing ring 6 drive the connecting rod 7, so that the movable sleeve 9 rotates on the movable ball head 10, the angle between the connecting rod 7 and the telescopic rod 8 can be fixed by tightening the locking screw 11, the corrugated pipe 4 can be supported and fixed, the angle of the corrugated pipe 4 is relatively stable, the phenomenon of falling off caused by the filtering deformation of the corrugated pipe 4 when the corrugated pipe 4 is impacted by the water hammer effect is avoided, the sliding rod 12 slides in the storage sleeve rod 13 when the corrugated pipe 4 is bent, the position of the movable ball head 10 is adjusted, the motion interference is prevented, the sliding rod 12 is fixed by tightening the locking screw 14, the stability is ensured, when a large amount of condensed water flows into the valve chamber, the water blocking valve ball 22 will be opened by the condensed water, at this time, the water blocking valve ball 22 will limit the transverse entry of water flow, the condensed water can only enter through the gap generated by the water blocking valve ball 22, so as to weaken the transverse impact force, when the water blocking valve ball 22 is opened by the condensed water, the arc-shaped actuating plate 25 of the water blocking valve ball 22 will also move, the movement of the arc-shaped actuating plate 25 will push away the float ball 19, the distance between the float ball 19 and the inner wall of the locking screw 11 is increased, the speed of the condensed water entering below the float ball 19 is increased, after the distance between the float ball 19 and the inner wall of one side of the valve chamber of the valve body 1 is increased, the bottom speed of the condensed water entering is also increased, so that the condensed water enters the water blocking box 16 through the water blocking one-way piece 17, and then is discharged through the water delivery pipe 3, the protrusion 18 is arranged between the float ball 19 and the bottom surface of the valve body 1, the protrusion 18 can increase the gap at the bottom of the float ball, accelerate the entering speed of the condensed water, effectively accelerate the rising of the float ball 19, and can further assist the water blocking valve ball 22.

[0021] As Figures 1 to 5As shown, the combined large-capacity drain valve, when working, when a large amount of condensate flows into the valve chamber, the water stop valve ball 22 will be opened by it, at this time, the water stop valve ball 22 will limit the transverse flow of water, and the condensate can only enter through the gap generated by the water stop valve ball 22, thereby weakening the transverse impact force, when the water stop valve ball 22 is opened by the condensate, the arc-shaped toggle plate 25 of the water stop valve ball 22 will also move together, the movement of the arc-shaped toggle plate 25 will push away the float ball 19, the distance between the float ball 19 and the inner wall of the locking screw 11 is increased, and the condensate entering speed is also increased, so that the condensate enters the drain one-way piece 17 into the drain water resistance box 16, and then is discharged through the water delivery pipe 3, the protrusion 18 is arranged between the float ball 19 and the bottom surface of the valve body 1, the protrusion 18 can increase the gap of the bottom of the float ball, speed up the speed of the condensate entering, effectively speed up the rising of the float ball 19, when the water inlet pipe 2 and the water delivery pipe 3 are bent and adjusted to any position, the flange plate 5 and the fixing ring 6 drive the connecting rod 7, so that the movable sleeve 9 rotates on the movable ball head 10, and the locking screw 11 can fix the angle between the connecting rod 7 and the telescopic rod 8, can support and fix the corrugated pipe 4, the angle of the corrugated pipe 4 is relatively stable, and the phenomenon of falling caused by filtering deformation is avoided when the corrugated pipe 4 is impacted by water hammer effect.

[0022] The drain one-way piece 17 of the combined large-capacity drain valve 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 technical personnel in the field paying creative labor.

[0023] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary technical personnel in the technical field, without departing from the technical principle of the present application, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection range of the present application.

Claims

1. A combined large capacity drain trap valve characterized by, The utility model provides a valve body (1), water inlet pipe (2), water delivery pipe (3), two bellows (4), exhaust valve (15), support assembly and auxiliary assembly, water inlet pipe (2) and water delivery pipe (3) are fixedly connected on the upper portion of both sides of valve body (1), the output end of water inlet pipe (2) and water delivery pipe (3) is connected with bellows (4) through flange, the outside of bellows (4) is installed with support assembly, the inside of valve body (1) is installed with auxiliary assembly, Support assembly includes flange plate (5), fixed ring (6), three connecting rods (7), three telescopic rods (8), three movable sleeves (9), three movable ball heads (10) and three locking screws (11), the end of bellows (4) away from valve body (1) is installed with flange plate (5), the inner wall of flange plate (5) is installed with fixed ring (6), a plurality of connecting rods (7) are evenly installed on the axial direction of fixed ring (6), the end of connecting rod (7) away from fixed ring (6) is installed with movable sleeve (9), movable sleeve (9) is movably installed with movable ball head (10), locking screw (11) is screwed on the outer wall of movable sleeve (9), the side of movable ball head (10) away from connecting rod (7) is installed with telescopic rod (8), and telescopic rod (8) is installed on the connecting flange, Auxiliary assembly includes fixed frame (20), slide rod (21), water blocking valve ball (22) and spring (24), fixed frame (20) is installed at the top end in valve body (1), slide rod (21) is installed on the left side of fixed frame (20), water blocking valve ball (22) is concentrically and slidably installed on slide rod (21), water blocking valve ball (22) is clamped on the output end of water inlet pipe (2), water outlet hole (23) is formed in the lower part of water blocking valve ball (22), spring (24) is sleeved on the outer wall of slide rod (21), and the left and right ends of spring (24) are connected with the outer wall of fixed frame (20) and water blocking valve ball (22) respectively.

2. A combined large capacity hydraulic drain valve as claimed in claim 1, characterized in that The telescopic rod (8) includes a sliding rod (12), a receiving sleeve rod (13), and a locking screw (14), one end of the sliding rod (12) is fixedly connected with the movable ball head (10), the other end of the sliding rod (12) is slidably installed in the receiving sleeve rod (13), the receiving sleeve rod (13) is fixedly installed on the connecting flange, and the locking screw (14) is screwed on the end of the outer wall of the receiving sleeve rod (13) away from the connecting flange.

3. A combined large capacity hydraulic drain valve as defined in claim 1, wherein It also includes a floating ball (19) and an arc-shaped actuating plate (25), the floating ball (19) is located inside the valve body (1), and the arc-shaped actuating plate (25) is installed on the outer wall of the lower right side of the water blocking valve ball (22).

4. A combined large capacity hydraulic drain valve as defined in claim 1, wherein It also includes a hydrophobic water resistance box (16) and a hydrophobic one-way piece (17), the hydrophobic water resistance box (16) is fixedly installed on the right side wall of the valve body (1), the output end in the hydrophobic water resistance box (16) is in communication with the input end of the water delivery pipe (3), and the hydrophobic water resistance box (16) is in communication with the valve body (1) through the hydrophobic one-way piece (17).

5. A combined large capacity hydraulic drain valve as defined in claim 3 wherein, It also includes exhaust valve (15) and convex (18), the upper part of the float ball (19) is provided with exhaust valve (15), exhaust valve (15) is installed at the top of valve body (1), one side of hydrophobic one-way piece (17) is provided with convex (18), convex (18) is located at the bottom of the inside of valve body (1), convex (18) is located below the float ball (19), convex (18) is made of arc convex.

Citation Information

Patent Citations

  • Large-displacement pump type drain valve with universal joint

    CN212132000U