Dual-drive siphon type vacuum breaker valve

Abstract

The utility model discloses a dual-drive siphon type vacuum breaking valve, which relates to the technical field of vacuum breaking valves, and comprises a mounting seat and a valve body, and further comprises a valve cover, a valve rod, a valve rod and a valve rod, the driving assembly comprises an electric driving part and a mechanical driving part, the electric driving part is arranged on the upper end face of the valve body and penetrates through the valve body to stretch into the valve body, and the mechanical driving part is arranged at the output end of the electric driving part. According to the vacuum breaking valve, through the arrangement of the driving assembly, even under the condition that power supply is insufficient or the electric driving part breaks down, the mechanical driving part can still work independently, it is ensured that the valve deck can be opened smoothly, and therefore the normal function of the vacuum breaking valve is maintained, and the reliability and stability of the whole system are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum breaker valve technical field, concretely is a double drive siphon type vacuum breaker valve. BACKGROUND

[0002] Vacuum breaker valve (siphon breaker valve) is installed above the hump (high point) of siphon type water delivery pipeline, which plays the role of quick gate in siphon type outlet pipe.

[0003] The existing vacuum breaker valve usually only relies on a single driving mode (such as electric or mechanical driving) to operate the opening and closing of the valve cover, to realize the function of vacuum breaking. However, this single driving mode may encounter limitations in certain specific situations, such as power supply shortage or mechanical component failure, which may cause the vacuum breaker valve to malfunction, thereby affecting the stability and safety of the system. Therefore, a more reliable and flexible vacuum breaker valve is needed, which can ensure effective vacuum breaking function in different environments. SUMMARY

[0004] The utility model provides a double drive siphon type vacuum breaker valve has the advantages of double driving mechanism to solve the problem of operation limitation and lack of reliability that single driving mode may bring.

[0005] To achieve the purpose of double driving, the utility model provides the following technical scheme: a double drive siphon type vacuum breaker valve, comprising a mounting seat and a valve body, further comprising: a valve cover movably installed in the valve body, the upper end surface of the mounting seat is provided with a through hole matched with the valve cover, and the valve cover seals the mounting seat by extending into the through hole; a driving assembly comprising an electric driving part and a mechanical driving part, the electric driving part is arranged on the upper end surface of the valve body and extends into the valve body through the valve body, the mechanical driving part is arranged on the output end of the electric driving part, the electric driving part is used for driving the mechanical driving part and the valve cover to move simultaneously, so that the valve cover is separated from the through hole, thereby opening the through hole to facilitate the entry of external air to break the vacuum, and the mechanical driving part is used for driving the valve cover to separate from the through hole, thereby opening the through hole to break the vacuum.

[0006] Preferably, the electric driving part comprises an electric telescopic rod, a controller and a mounting cylinder, the upper end surface of the valve body is provided with a shell, the electric telescopic rod is installed in the shell and extends into the valve body through the shell, the controller is installed on the upper end surface of the shell and is electrically connected with the electric telescopic rod, and is used for remotely controlling the start of the electric telescopic rod, the mounting cylinder is detachably installed on the output end of the electric telescopic rod, and the mechanical driving part is arranged in the mounting cylinder and extends out of the mounting cylinder to connect with the upper end surface of the valve cover.

[0007] Preferably, the upper end surface of the mounting cylinder is provided with a groove matching the output end of the electric telescopic rod, the outer wall of the mounting cylinder is symmetrically provided with a mounting hole communicating with the groove, a fixing pin is slidably connected in the mounting hole, a sliding groove is symmetrically provided in the mounting hole, the outer wall of the fixing pin is provided with a sliding block slidably connected with the sliding groove, and the sliding groove is provided with a spring, the two ends of the spring are fixedly connected with the sliding block and the sliding groove respectively.

[0008] Preferably, the upper end surface of the fixing pin is provided with an inclined surface.

[0009] Preferably, the mechanical driving part comprises a sliding rod and a tension spring, the sliding rod is slidably connected in the mounting cylinder and fixedly connected with the upper end surface of the valve cover, and the tension spring is arranged on the outer wall of the sliding rod and fixedly connected with the mounting cylinder and the valve cover at two ends.

[0010] Preferably, the outer wall of the valve cover is provided with a sealing ring.

[0011] Preferably, the mounting seat is provided with a sleeve, and the upper end surface of the sleeve is provided with an inclined surface extending into the inner wall of the sleeve.

[0012] Compared with the prior art, the double-drive siphon type vacuum breaking valve has the following beneficial effects:

[0013] 1. The double-drive siphon type vacuum breaking valve can work independently through the mechanical driving part even in the case of insufficient power supply or failure of the electric driving part, ensures that the valve cover can be smoothly opened, thereby maintaining the normal function of the vacuum breaking valve, improving the reliability and stability of the whole system, and the double-drive design enables the vacuum breaking valve to select appropriate driving mode according to different environmental and operation requirements. For example, the electric driving can be preferentially used under normal circumstances to improve the operation efficiency and automation level, and the mechanical driving can be used to ensure the timely opening of the valve under emergency conditions. Since the electric driving part and the mechanical driving part are independent of each other, when one part needs to be repaired or replaced, the other part can still work, thereby reducing the system downtime caused by maintenance and improving the availability and maintenance efficiency of the system.

[0014] 2. The electric telescopic rod, the controller and the mounting cylinder can drive the mechanical driving part to move, thereby driving the mechanical driving part and the valve cover to move at the same time.

[0015] 3. The groove, the fixing pin, the spring, the sliding groove, the sliding block and the fixing hole can facilitate the installation of the mounting cylinder, thereby facilitating the removal of the mounting cylinder and the mechanical driving part installed in the mounting cylinder, and facilitating the replacement or maintenance of the mechanical driving part.

[0016] 4. By setting the slide rod and the tension spring, when negative pressure is generated in the pipeline, the valve cover is pushed by the atmospheric pressure, the slide rod is moved by the valve cover, the tension spring is stretched, and the valve cover is reset by the tension spring when the pressure is stable. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the schematic view of the external structure of the utility model;

[0018] Figure 2 It is the sectional view of the utility model;

[0019] Figure 3 It is the schematic view of the electric drive part structure of the utility model;

[0020] Figure 4 It is the sectional view of the mounting seat and the valve body of the utility model;

[0021] Figure 5 It is the schematic view of the utility model provided by the utility model; Figure 3 It is the enlarged schematic view of the structure of part a.

[0022] In the drawing: 1, mounting seat; 11, through hole; 12, sleeve; 2, valve body; 21, shell; 3, valve cover; 31, sealing ring; 4, drive assembly; 41, electric drive part; 411, electric telescopic rod; 412, controller; 413, mounting cylinder; 414, recess; 415, mounting hole; 416, fixed pin; 417, fixed hole; 418, sliding groove; 419, spring; 420, sliding block; 42, mechanical drive part; 421, slide rod; 422, tension spring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. Embodiment one

[0024] Please refer to Figures 1-5The utility model discloses a double -drive siphon type vacuum destruction valve, including mounting seat 1 and valve body 2, still include: valve cover 3, its movable mounting in valve body 2, the upper end surface of mounting seat 1 is equipped with the through -hole 11 that unifies with valve cover 3, valve cover 3 passes through the sealing mounting seat 1 of in -threading into the through -hole 11, drive assembly 4, it includes electric drive portion 41 and mechanical drive portion 42, electric drive portion 41 sets up in the upper end surface of valve body 2 and penetrates valve body 2 and in -threading into valve body 2, mechanical drive portion 42 sets up in the output of electric drive portion 41, electric drive portion 41 is used for driving mechanical drive portion 42 and valve cover 3 simultaneously moves, make valve cover 3 separate from the through -hole 11, to open conveniently external air enters destruction vacuum, mechanical drive portion 42 is used for driving valve cover 3 separate from through -hole 11, to open through -hole 11 destruction vacuum.

[0025] The above design sets up the drive assembly 4, even in the case of insufficient power supply or electric drive portion 41 failure, mechanical drive portion 42 can still work independently, ensure that valve cover 3 can open smoothly, thereby maintaining the normal function of vacuum destruction valve, improve the reliability and stability of the whole system, double -drive design makes vacuum destruction valve can select appropriate drive mode according to different environment and operation demand. For example, in normal circumstances, electric drive can be used preferentially to improve operation efficiency and automation level, and in emergency, mechanical drive can be used to ensure the timely opening of the valve. Since the electric drive portion 41 and the mechanical drive portion 42 are independent of each other, when one part needs to be repaired or replaced, the other part can still work, thereby reducing the system downtime caused by maintenance and improving the availability and maintenance efficiency of the system.

[0026] Please refer to Figure 2 、 Figure 3 、 Figure 5 , the electric drive portion 41 includes an electric telescopic rod 411, a controller 412 and a mounting cylinder 413, the upper end surface of the valve body 2 is provided with a housing 21, the electric telescopic rod 411 is installed in the housing 21 and penetrates the housing 21 to extend into the valve body 2, the controller 412 is installed on the upper end surface of the housing 21 and is electrically connected with the electric telescopic rod 411, for remotely controlling the electric telescopic rod 411 to start, the mounting cylinder 413 is detachably installed on the output end of the electric telescopic rod 411, the mechanical drive portion 42 is arranged in the mounting cylinder 413 and extends out of the mounting cylinder 413 to connect with the upper end surface of the valve cover 3, by setting the electric telescopic rod 411, the controller 412 and the mounting cylinder 413, the mechanical drive portion 42 can be driven to move, so that the mechanical drive portion 42 and the valve cover 3 can be driven to move simultaneously.

[0027] Please refer to Figure 2 ,Figure 5 The upper end surface of the mounting cylinder 413 is provided with a groove 414 matched with the output end of the electric telescopic rod 411, the outer wall of the mounting cylinder 413 is symmetrically provided with a mounting hole 415 communicating with the groove 414, a fixing pin 416 is slidably connected in the mounting hole 415, a sliding groove 418 is symmetrically arranged in the mounting hole 415, the outer wall of the fixing pin 416 is provided with a sliding block 420 slidably connected with the sliding groove 418, a spring 419 is arranged in the sliding groove 418, and the two ends of the spring 419 are fixedly connected with the sliding block 420 and the sliding groove 418 respectively, and the output end of the electric telescopic rod 411 is provided with a fixing hole 417 matched with the fixing pin 416. By arranging the groove 414, the fixing pin 416, the spring 419, the sliding groove 418, the sliding block 420 and the fixing hole 417, the mounting cylinder 413 can be conveniently mounted, so that the mounting cylinder 413 and the mechanical driving part 42 mounted in the mounting cylinder 413 can be conveniently removed, and the mechanical driving part 42 can be conveniently replaced or maintained. The upper end surface of the fixing pin 416 is provided with an inclined surface. By arranging the inclined surface, when the mounting cylinder 413 is mounted into the outer wall of the output end of the electric telescopic rod 411, the output end of the electric telescopic rod 411 can be guided to extrude the fixing pin 416 through the inclined surface, so that the fixing pin 416 is arranged in the mounting hole 415, the mounting cylinder 413 is conveniently mounted, and then the fixing pin 416 is pushed into the fixing hole 417 through the reset of the spring 419, and the efficiency of mounting is improved.

[0028] Please refer to Figure 2 The mechanical driving part 42 comprises a sliding rod 421 and a tension spring 422, the sliding rod 421 is slidably connected in the mounting cylinder 413 and downwardly extends to be fixedly connected with the upper end surface of the valve cover 3, and the tension spring 422 is arranged on the outer wall of the sliding rod 421 and fixedly connected with the mounting cylinder 413 and the valve cover 3 at two ends. By arranging the sliding rod 421 and the tension spring 422, when negative pressure is generated in the pipeline, the valve cover 3 can be pushed by atmospheric pressure, so that the valve cover 3 drives the sliding rod 421 to move, and the tension spring 422 is stretched, and the valve cover 3 is reset through the tension spring 422 when the pressure is stable. Example two

[0029] Based on the above-mentioned example one, please refer to Figure 2 、 Figure 4 The outer wall of the valve cover 3 is provided with a sealing ring 31. By arranging the sealing ring 31, the sealing property of the valve cover 3 can be improved. The mounting seat 1 is provided with a sleeve 12, and the upper end surface of the sleeve 12 is provided with an inclined surface extending into the inner wall of the sleeve 12. By arranging the inclined surface on the sleeve 12, the efficiency of external air entering can be improved, so that the vacuum breaking efficiency is improved.

[0030] The working principle and use process of the utility model are as follows:

[0031] The valve body 2 and the mounting base 1 are installed, the valve body 2 is fixed at a predetermined position, the upper end surface of the valve body 2 is ensured to be flat and correspond to the mounting surface of the mounting base 1, the mounting base 1 is installed on the valve body 2, the upper end surface of the mounting base 1 is ensured to be closely attached to the upper end surface of the valve body 2, and the mounting base 1 is fixed by using appropriate fasteners (such as bolts, nuts, etc.), then the output end of the electric telescopic rod 411 is connected with the mechanical driving part 42 by using the mounting cylinder 413, the groove 414 of the mounting cylinder 413 is fitted with the output end of the electric telescopic rod 411, and then the mounting cylinder 413 is fixed on the output end of the electric telescopic rod 411 by using the fixing pin 416 and the spring 419 mechanism;

[0032] In use, the electric telescopic rod 411 is started by remote control of the controller 412, the electric telescopic rod 411 can push the mounting cylinder 413, the mounting cylinder 413 pushes the sliding rod 421, the sliding rod 421 pushes the valve cover 3 to move downward, the through hole 11 is opened, and thus the vacuum is broken, when the electric telescopic rod 411 cannot be started due to failure, the valve cover 3 is sucked downward by the negative pressure generated in the pipeline, so that the valve cover 3 drives the sliding rod 421 to move downward, the through hole 11 is opened, and thus the vacuum is broken, when the pressure is balanced, the tension spring 422 is retracted to reset the valve cover 3, and the valve cover 3 enters the through hole 11 again to close the through hole 11.

Claims

1. A double drive siphon vacuum break valve comprising a mounting base (1) and a valve body (2), characterized in that, Also include: Valve cover (3), which is movably mounted in the valve body (2), the upper end surface of the mounting seat (1) is provided with a through hole (11) matched with the valve cover (3), the valve cover (3) seals the mounting seat (1) by extending into the through hole (11); Drive assembly (4), comprising electric drive part (41) and mechanical drive part (42), electric drive part (41) is arranged on the upper end surface of the valve body (2) and extends into the valve body (2), the mechanical drive part (42) is arranged on the output end of the electric drive part (41), the electric drive part (41) is used for driving the mechanical drive part (42) and the valve cover (3) to move simultaneously, so that the valve cover (3) is separated from the through hole (11), thereby opening the through hole (11) to destroy the vacuum, the mechanical drive part (42) is used for driving the valve cover (3) to separate from the through hole (11), thereby opening the through hole (11) to destroy the vacuum.

2. A dual actuated siphonic vacuum break valve according to claim 1, wherein: The electric drive part (41) comprises an electric telescopic rod (411), a controller (412) and a mounting cylinder (413), the upper end surface of the valve body (2) is provided with a shell (21), the electric telescopic rod (411) is installed in the shell (21) and extends into the valve body (2) through the shell (21), the controller (412) is installed on the upper end surface of the shell (21) and is electrically connected with the electric telescopic rod (411), which is used for remotely controlling the electric telescopic rod (411) to start, the mounting cylinder (413) is detachably installed on the output end of the electric telescopic rod (411), the mechanical drive part (42) is arranged in the mounting cylinder (413) and extends out of the mounting cylinder (413) and is connected with the upper end surface of the valve cover (3).

3. A dual actuated siphon vacuum break valve according to claim 2, wherein: The upper end surface of the mounting cylinder (413) is provided with a groove (414) matched with the output end of the electric telescopic rod (411), the outer wall of the mounting cylinder (413) is symmetrically provided with a mounting hole (415) communicating with the groove (414), a fixed pin (416) is slidably connected in the mounting hole (415), a sliding groove (418) is symmetrically arranged in the mounting hole (415), the outer wall of the fixed pin (416) is provided with a sliding block (420) slidably connected with the sliding groove (418), a spring (419) is arranged in the sliding groove (418), the two ends of the spring (419) are fixedly connected with the sliding block (420) and the sliding groove (418) respectively, and the output end of the electric telescopic rod (411) is provided with a fixed hole (417) matched with the fixed pin (416).

4. A dual actuated siphon vacuum break valve according to claim 3, wherein: The upper end surface of the fixed pin (416) is provided with an inclined surface.

5. A dual actuated siphon vacuum break valve according to claim 2, wherein: The mechanical drive part (42) comprises a sliding rod (421) and a tension spring (422), the sliding rod (421) is slidably connected in the mounting cylinder (413) and extends downward to be fixedly connected with the upper end surface of the valve cover (3), and the tension spring (422) is arranged on the outer wall of the sliding rod (421) and has two ends fixedly connected with the mounting cylinder (413) and the valve cover (3) respectively.

6. A dual actuated siphon vacuum break valve according to claim 1, wherein: The outer wall of the valve cover (3) is provided with a sealing ring (31).

7. A dual actuated siphon vacuum break valve according to claim 1, wherein: The mounting seat (1) is internally provided with a sleeve (12), and the upper end surface of the sleeve (12) is provided with a slope extending into the inner wall of the sleeve (12).

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