CN219970726U - Siphon structure is prevented to vacuum pump water storage tank overflow pipe - Google Patents

Abstract

The utility model discloses an overflow pipe anti-siphon structure of a vacuum pump water storage tank, which belongs to the technical field of vacuum pump water storage tanks and comprises a water storage tank, wherein the top of the water storage tank is provided with a water inlet pipe, an electromagnetic valve is arranged in the water inlet pipe, one side wall of the water storage tank is provided with a water level detector, the other side wall of the water storage tank is also connected with an overflow pipe, the other end of the overflow pipe is connected with a connecting piece, an extension plate is connected with the end of the other end of the overflow pipe through the connecting piece, the bottom of the extension plate is connected with a return pipe, and a plurality of connecting pipes are also connected to the return pipe; according to the utility model, the overflow pipe of the vacuum pump water storage tank is modified, the connecting piece is added on the overflow vertical pipe, so that water of the overflow pipe flows into the water return pipe through the connecting piece and the shunt pipe, the condition for generating siphonage is destroyed, and when other connecting pipes feed water into the reflux pipe, the one-way valve supplies air to the inside, thereby avoiding the occurrence of siphonage phenomenon and thoroughly solving hidden danger.

Description

Siphon structure is prevented to vacuum pump water storage tank overflow pipe

Technical Field

The utility model relates to the technical field of vacuum pump water storage tanks, in particular to an anti-siphon structure of an overflow pipe of a vacuum pump water storage tank.

Background

The overflow pipe of the 9F steam turbine vacuum pump water storage tank is tightly connected with the water return pipe, when water in the water return pipe flows, the water in the tank forms negative pressure and is taken away due to the action of siphonage, continuous overflow is formed, the water level of the water storage tank is low due to the negative pressure formed by overflow, the inlet electromagnetic valve of the water tank is opened, the water supplementing electromagnetic valve is frequently opened and closed in every minute, great impact hidden danger exists on the pipeline flange joint and the water supplementing electromagnetic valve, the desalted water is wasted, the service life of the electromagnetic valve and the pipeline is influenced, and the potential safety hazard exists.

Therefore, we propose an anti-siphon structure of overflow pipe of the water storage tank of the vacuum pump.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an anti-siphon structure of an overflow pipe of a water storage tank of a vacuum pump, overcomes the defects of the prior art and aims at solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a siphon structure is prevented to vacuum pump water storage tank overflow pipe, includes the water storage tank, the top of water storage tank is provided with the inlet tube, be provided with the solenoid valve in the inlet tube, be provided with the water level detection appearance on the lateral wall of one side of water storage tank, still be connected with the overflow pipe on the lateral wall of opposite side, the other end connection of overflow pipe has the connecting piece, and through the connecting piece is connected with the extension board, the bottom of extension board is connected with the back flow, still be connected with a plurality of connecting pipe on the back flow.

The present utility model may be further configured in a preferred example to: the connecting piece is including installing in the connecting seat of overflow pipe bottom, four through-holes have been seted up to the bottom of connecting seat to all be connected with the shunt tubes through the through-hole, still be provided with the pressure release pipe on the shunt tubes.

The present utility model may be further configured in a preferred example to: the pressure relief pipe slope sets up, and the tip of pressure relief pipe still is provided with the check valve.

The present utility model may be further configured in a preferred example to: the bottom of check valve has been seted up the through-hole, through-hole and pressure release pipe fixed connection, still is provided with the connecting block in the check valve, be connected with the spring on the connecting block, the other end of spring is connected with trapezoidal piston, and the top of check valve corresponds trapezoidal groove has been seted up to trapezoidal piston.

The present utility model may be further configured in a preferred example to: the water level detector is electrically connected with the electromagnetic valve.

The utility model has the beneficial effects that:

according to the utility model, the overflow pipe of the vacuum pump water storage tank is modified, the connecting piece is added on the overflow vertical pipe, so that water of the overflow pipe flows into the water return pipe through the connecting piece and the shunt pipe, the condition for generating siphonage is destroyed, and when other connecting pipes feed water into the reflux pipe, the one-way valve supplies air to the inside, thereby avoiding the occurrence of siphonage phenomenon and thoroughly solving hidden danger.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic top view of the connector of the present utility model;

FIG. 4 is a schematic diagram of a front view of a connector according to the present utility model;

fig. 5 is a schematic view of the structure of the check valve of the present utility model.

In the figure: 1. a water storage tank; 2. a water level detector; 3. a water inlet pipe; 4. an electromagnetic valve; 5. an overflow pipe; 6. a connecting seat; 7. an extension plate; 8. a return pipe; 9. a connecting pipe; 10. a shunt; 11. a pressure relief tube; 12. a one-way valve; 13. a trapezoidal piston; 14. a connecting block; 15. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the examples

Referring to fig. 1-5, an anti-siphon structure of an overflow pipe of a water storage tank of a vacuum pump comprises a water storage tank 1, wherein a water inlet pipe 3 is arranged at the top of the water storage tank 1, an electromagnetic valve 4 is arranged in the water inlet pipe 3, a water level detector 2 is arranged on one side wall of the water storage tank 1, an overflow pipe 5 is further connected to the other side wall, a connecting piece is connected to the other end of the overflow pipe 5, an extension plate 7 is connected to the other end of the overflow pipe through the connecting piece, a return pipe 8 is connected to the bottom of the extension plate 7, and a plurality of connecting pipes 9 are further connected to the return pipe 8.

The connecting piece is including installing in the connecting seat 6 of overflow pipe 5 bottom, and four through-holes have been seted up to the bottom of connecting seat 6 to all be connected with shunt tubes 10 through the through-hole, still be provided with pressure release pipe 11 on the shunt tubes 10.

The pressure relief pipe 11 is arranged obliquely, and the end part of the pressure relief pipe 11 is also provided with a one-way valve 12.

The bottom of the check valve 12 is provided with a through hole, the through hole is fixedly connected with the pressure relief pipe 11, a connecting block 14 is further arranged in the check valve 12, a spring 15 is connected to the connecting block 14, the other end of the spring 15 is connected with a trapezoid piston 13, and the top of the check valve 12 is provided with a trapezoid groove corresponding to the trapezoid piston 13.

The water level detector 2 is electrically connected with the electromagnetic valve 4, and the water inlet pipe 3 and the electromagnetic valve 4 are water supplementing pipes.

Working principle: in the use of the structure, when other connecting pipes 9 drain water into the return pipe 8, the water storage tank 1 flows into the overflow pipe 5, water in the overflow pipe 5 flows into the connecting seat 6, negative pressure generated between the shunt pipe 10 and the pressure release pipe 11 drives the trapezoid piston 13 in the check valve 12 to move downwards, so that external air is introduced, the internal and external pressure difference is ensured to be consistent, the siphon phenomenon is avoided, the water level in the water storage tank 1 is basically kept unchanged, and the water level detector 2 electrically connected with the electromagnetic valve 4 is avoided to drive the electromagnetic valve 4 to perform water supplementing operation.

Finally, it should be noted that: in the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (5)

1. The utility model provides a siphon structure is prevented to vacuum pump water storage tank overflow pipe, includes water storage tank (1), a serial communication port, the top of water storage tank (1) is provided with inlet tube (3), be provided with solenoid valve (4) in inlet tube (3), be provided with water level detector (2) on one side lateral wall of water storage tank (1), still be connected with overflow pipe (5) on the opposite side lateral wall, the other end connection of overflow pipe (5) has the connecting piece, and through the connecting piece is connected with extension board (7), the bottom of extension board (7) is connected with back flow (8), still be connected with a plurality of connecting pipe (9) on back flow (8).

2. The siphon structure is characterized in that the connecting piece comprises a connecting seat (6) arranged at the bottom of the overflow pipe (5), four through holes are formed in the bottom of the connecting seat (6), the through holes are connected with a shunt pipe (10), and a pressure release pipe (11) is further arranged on the shunt pipe (10).

3. The siphon prevention structure of the overflow pipe of the water storage tank of the vacuum pump according to claim 2, wherein the pressure relief pipe (11) is obliquely arranged, and a one-way valve (12) is further arranged at the end part of the pressure relief pipe (11).

4. The siphon structure is characterized in that a through hole is formed in the bottom of the one-way valve (12), the through hole is fixedly connected with the pressure release pipe (11), a connecting block (14) is further arranged in the one-way valve (12), a spring (15) is connected to the connecting block (14), a trapezoid piston (13) is connected to the other end of the spring (15), and a trapezoid groove is formed in the top of the one-way valve (12) corresponding to the trapezoid piston (13).

5. The siphon prevention structure of the overflow pipe of the water storage tank of the vacuum pump according to claim 1, wherein the water level detector (2) is electrically connected with the electromagnetic valve (4).