CN220910548U

CN220910548U - Negative pressure vacuum siphon flow damage valve

Info

Publication number: CN220910548U
Application number: CN202322630062.8U
Authority: CN
Inventors: 吴胜义
Original assignee: Wenzhou Jidinashi Vacuum Pump Co ltd
Current assignee: Wenzhou Jidinashi Vacuum Pump Co ltd
Priority date: 2023-09-27
Filing date: 2023-09-27
Publication date: 2024-05-07
Anticipated expiration: 2033-09-27

Abstract

The utility model discloses a negative pressure vacuum siphon flow breaking valve, which belongs to the technical field of vacuum breaking valves and comprises a valve body, wherein the middle part of the valve body is provided with a water cavity, two sides of the water cavity are symmetrically provided with first air cavities, one side of the first air cavity, which is far away from the water cavity, is provided with a second air cavity, the middle part of the inner walls of the two sides of the water cavity is provided with a sliding groove, and the inner side of the sliding groove is slidingly connected with an adjusting block.

Description

Negative pressure vacuum siphon flow damage valve

Technical Field

The utility model belongs to the technical field of vacuum breaking valves, and particularly relates to a negative pressure vacuum siphon breaking valve.

Background

A low-water-level water source supplies water to a high-water-level place, pipes on two sides of a pipeline are submerged in water, a water delivery mode without being contacted with the atmosphere is called a siphon water delivery flow channel in the water delivery process, siphoning is applied to modern engineering, a plurality of roof drainage systems use siphoning drainage, and a siphon breaking valve is a safety valve. The siphon type water outlet pipe is arranged above a hump of the siphon type water outlet pipe, plays a role of a rapid gate, generates negative pressure on the main pipe, and timely breaks off the siphon to ensure the safety of a pump valve and equipment when the medium backflow risk is faced.

In the process of realizing the utility model, the inventor finds that at least the following problems are not solved in the prior art, the existing negative pressure vacuum siphon flow damage valve is characterized in that after an electric control module is electrified, a main electromagnetic operating mechanism and an auxiliary electromagnetic operating mechanism are under the suction action of an electromagnet, a valve main shaft moves, two valve clack nuclear rubber sealing rings arranged on the main shaft are sealed with two valve seats, at the moment, the water cavity and the air in an air cavity are separated to form siphonage, but in the use process, a power failure accident can occur, the valve electric control module is powered off, the electromagnet is immediately separated, two valve clacks on the main shaft move rightwards under the driving action of an energy storage spring, at the moment, the valve is rapidly separated from the valve seat, and the air is rapidly gushed into the water cavity to be communicated with the main pipe under the action of the negative pressure vacuum in the main pipe, so that the siphonage phenomenon is damaged, and water delivery operation can not be normally performed.

Therefore, the negative pressure vacuum siphon flow breaking valve is provided, the siphon cannot be broken when the power is off, and workers can manually break the siphon according to the use requirement to stop the water delivery operation.

Disclosure of utility model

The utility model aims to provide a negative pressure vacuum siphon flow breaking valve so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a negative pressure vacuum siphon destroys valve, includes the valve body, the water cavity has been seted up at the middle part of valve body, first air cavity has been seted up to the bilateral symmetry of water cavity, the second air cavity has been seted up to one side that the water cavity was kept away from to first air cavity, the spout has been seted up at the middle part of the inner wall of water cavity both sides, the inboard sliding connection of spout has the regulating block, the regulating block is close to the outside of water cavity one end and has vertically been seted up first air guide groove, the second air guide groove is seted up to the other end level of regulating block, first air guide groove and second air guide groove intercommunication, the regulating block is arranged in the inboard one end of water cavity and is run through and fixedly mounted has the closing plate, the inner wall of second air cavity one side is through bolt fixedly connected with servo motor, servo motor's motor shaft fixedly connected with lead screw, the lead screw passes through the inner wall rotation of bearing and first air cavity far away, the screw thread groove threaded connection has been seted up to the middle part level of the regulating block other end, the other end of regulating block runs through and fixedly mounted with sealing block, the middle part of water cavity front side inner wall air pipe runs through and installs the air guide groove and sealing block, the valve clack through and the valve clack fixedly connected with the bottom.

As a preferred implementation mode, a first air guide opening is formed in the upper portion, far away from the inner wall of one side of the water cavity, of the first air cavity, second air guide openings are symmetrically formed in two sides of the valve body, the water cavity is communicated with the first air cavity through the sliding groove, the second air guide openings are communicated with the second air cavity, and the first air cavity is communicated with the second air cavity through the first air guide openings.

As a preferable implementation mode, the first air guide grooves are uniformly distributed on the outer side of the adjusting block in a ring shape, and the first air guide grooves and the second air guide grooves are in one-to-one correspondence.

As a preferred embodiment, the sealing plate is matched with the size of the chute, a sealing gasket is adhered to the outer side of the sealing plate, and the sealing gasket is attached to the inner wall of the water cavity, so that the sealing effect of the sealing plate can be improved.

As a preferred implementation mode, sealing block and first air chamber sliding connection, the size of regulating block and first air chamber cooperatees, and the regulating block can be accomodate to first air chamber, and further the closing plate can carry out the shutoff to the spout, and sealing block can carry out the shutoff to first air guide mouth, improves the leakproofness of water cavity.

As a preferred implementation mode, the valve clack is matched with the size of the air duct, the top end of the air duct is fixedly connected with a shell, one end of the valve rod, which is arranged on the inner side of the shell, is fixedly provided with a first bevel gear, the inner wall on one side of the shell is rotationally connected with a knob through a bearing, one end of the knob, which is arranged on the inner side of the shell, is fixedly provided with a second bevel gear, and the first bevel gear is meshed with the second bevel gear.

As a preferred implementation mode, the bottom of the water cavity is provided with a water inlet in a penetrating way, the inner wall of the rear side of the water cavity is provided with a water outlet in a penetrating way, the top of the valve body is fixedly connected with a vacuum pump set, and two sides of the valve body are fixedly connected with hanging rings.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, the servo motor is controlled to work, the screw rod can be driven to rotate, the screw rod is connected with the thread groove in a threaded manner, the adjusting block can be driven to move left and right in the rotating process of the screw rod, the use position of the first air guide groove is adjusted, when the first air guide groove moves into the first air cavity, the sealing plate and the sealing block can seal the sliding groove and the first air guide groove, the water cavity is further sealed, the vacuum pump is controlled to work, the air in the water cavity can be pumped out, the corresponding water pump is further controlled to work and deliver water, siphonage can be formed under the condition that the water outlet end of the pipeline has water self-flow, the use effect of the adjusting block is not influenced when the power is cut off, the electromagnet is prevented from being separated immediately when the power is cut off, under the driving action of the energy storage spring, two valve flaps on the main shaft move, so that external air enters the valve body to break siphonage, when siphonage is required to stop the siphonage, the servo motor is controlled to work to drive the adjusting block to move reversely, the first air guide groove to be communicated with the water cavity, and the external siphonage is sucked into the water cavity, and the siphon can be disconnected;

According to the utility model, a worker can rotate the knob to drive the second bevel gear to rotate, and can drive the valve rod to rotate through the first bevel gear to further drive the valve clack to rotate in the air duct, so that the opening and closing of the air duct are controlled, and further the opening and closing of siphonage can be manually controlled during power failure.

Drawings

FIG. 1 is a schematic illustration of the communication between a first air guide slot and a second air guide slot of the present utility model;

FIG. 2 is a schematic view of the interior of a valve body of the present utility model;

FIG. 3 is a front view of a valve body of the present utility model;

fig. 4 is a schematic view of an airway tube of the present utility model.

In the figure: 1. a valve body; 11. a water chamber; 12. a first air chamber; 13. a second air chamber; 14. a chute; 15. an adjusting block; 16. a first air guide groove; 161. a second air guide groove; 17. a sealing plate; 18. a sealing gasket; 2. a first air guide port; 21. a second air guide port; 22. a servo motor; 23. a screw rod; 24. a thread groove; 25. a sealing block; 3. an air duct; 31. a valve stem; 32. a valve flap; 33. a housing; 34. a first bevel gear; 35. a knob; 36. a second bevel gear; 4. a water inlet; 41. a water outlet; 42. an empty pump group; 43. and (5) hanging rings.

Detailed Description

The utility model is further described below with reference to examples.

The following examples are illustrative of the present utility model but are not intended to limit the scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple modifications of the method of the utility model under the premise of the conception of the utility model are all within the scope of the utility model as claimed.

Referring to fig. 1-3, the utility model provides a negative pressure vacuum siphon break valve, which comprises a valve body 1, wherein a water cavity 11 is formed in the middle of the valve body 1, first air cavities 12 are symmetrically formed in two sides of the water cavity 11, second air cavities 13 are formed on one side of the first air cavities 12 away from the water cavity 11, sliding grooves 14 are formed in the middle of inner walls of two sides of the water cavity 11, the water cavity 11 is communicated with the first air cavities 12 through the sliding grooves 14, an adjusting block 15 is slidably connected to the inner side of the sliding grooves 14, first air guide grooves 16 are vertically formed in the outer side of one end, close to the water cavity 11, of the adjusting block 15, the first air guide grooves 16 are uniformly distributed on the outer side of the adjusting block 15 in a ring shape, second air guide grooves 161 are horizontally formed in the other end of the adjusting block 15, the first air guide grooves 16 are communicated with the second air guide grooves 161, one-to-one correspondence of the first air guide grooves 16 is formed in the second air guide grooves 161, one end, which is arranged on the inner side of the water cavity 11, of the adjusting block 15 penetrates through and is fixedly provided with a sealing plate 17, the sealing plate 17 is matched with the size of the sliding groove 14, the outer side of the sealing plate 17 is provided with a sealing pad 18, and the sealing pad 18 is adhered to the inner wall of the water cavity 11.

In this technical scheme, when first air guide groove 16 moves to first air cavity 12, closing plate 17 and sealing piece 25 can carry out the shutoff to spout 14 and first air guide groove 2, further carry out sealed operation to water cavity 11, control vacuum pump group 42 work can take out the air in the water cavity 11, further control corresponding water pump work water delivery, under the circumstances that the water that has the water to flow certainly of the play end of pipeline, can form the siphon, when the need stops the siphon, control servo motor 22 work drives regulating block 15 reverse movement, make first air guide groove 16 and water cavity 11 intercommunication, the outside air is inhaled to in the water cavity 11, can break off the siphon.

Specifically, as shown in fig. 1-3, a first air chamber 12 is provided with a first air guide opening 2 in a penetrating manner above the inner wall of one side of the first air chamber 12, the first air chamber 12 is communicated with a second air chamber 13 through the first air guide opening 2, two sides of the valve body 1 are symmetrically provided with second air guide openings 21, the second air guide openings 21 are communicated with the second air chamber 13, the inner wall of one side of the second air chamber 13 is fixedly connected with a servo motor 22 through bolts, a motor shaft of the servo motor 22 is fixedly connected with a screw rod 23, the screw rod 23 is rotationally connected with the inner wall of the other side of the first air chamber 12 through a bearing, the middle part of the other end of the regulating block 15 is horizontally provided with a thread groove 24, the screw rod 23 is in threaded connection with the thread groove 24, the other end of the regulating block 15 is provided with a sealing block 25 in a penetrating manner and fixedly mounted with the first air chamber 12 in a sliding manner, and the regulating block 15 is matched with the size of the first air chamber 12.

In this technical scheme, control servo motor 22 work can drive lead screw 23 rotation, through the screw 23 with the inside thread groove 24 threaded connection of regulating block 15, the lead screw 23 rotates the in-process, can drive regulating block 15 and control the removal, further adjusts the position of use of first air guide mouth 16.

Specifically, as shown in fig. 4, the middle part of the inner wall of the front side of the water cavity 11 is provided with an air duct 3 in a penetrating manner, the inner walls of the top end and the bottom end of the air duct 3 are rotatably connected with a valve rod 31 through a bearing, the valve rod 31 vertically penetrates through a valve clack 32 and is fixedly connected with the valve clack 32, the valve clack 32 is matched with the size of the air duct 3, the top end of the air duct 3 is fixedly connected with a shell 33, one end of the valve rod 31, which is arranged at the inner side of the shell 33, is fixedly provided with a first bevel gear 34, the inner wall at one side of the shell 33 is rotatably connected with a knob 35 through the bearing, one end of the knob 35, which is arranged at the inner side of the shell 33, is fixedly provided with a second bevel gear 36, and the first bevel gear 34 is meshed with the second bevel gear 36.

In this kind of technical scheme, the staff rotates knob 35 and can drive second bevel gear 36 rotation, can drive valve rod 31 rotation through first bevel gear 34, further drives valve clack 32 and rotates in air duct 3 to control air duct 3's opening and close, further can manual control siphon when having a power failure open and close.

Specifically, as shown in fig. 2-3, the bottom end of the water cavity 11 is provided with a water inlet 4 in a penetrating manner, the inner wall of the rear side of the water cavity 11 is provided with a water outlet 41 in a penetrating manner, the top end of the valve body 1 is fixedly connected with a vacuum pump set 42, and two sides of the valve body 1 are fixedly connected with hanging rings 43.

In the technical scheme, the valve body 1 can be communicated with a corresponding water conveying pipeline through the water outlet 41 and the water inlet 4, the vacuum pump set 42 is controlled to work, air in the water cavity 11 can be pumped out, and the valve body 1 is conveniently hoisted through the hoisting ring 43.

The working principle and the using flow of the utility model are as follows: the valve body 1 can be communicated with the corresponding water delivery pipeline through the water outlet 41 and the water inlet 4, the servo motor 22 is controlled to work, the screw rod 23 can be driven to rotate, the screw rod 23 is in threaded connection with the threaded groove 24 in the adjusting block, the adjusting block 15 can be driven to move left and right in the rotating process of the screw rod 23, the using position of the first air guide opening 16 is further adjusted, when the first air guide opening 16 moves into the first air cavity 12, the sealing plate 17 and the sealing block 25 can seal the sliding groove 14 and the first air guide opening 2, the water cavity 11 is further sealed, the vacuum pump set 42 is controlled to work, the air in the water cavity 11 can be pumped out, and the corresponding water pump is further controlled to work and deliver water, under the condition that water self-flowing exists at the tail end of water outlet of the pipeline, siphonage can be formed, when siphonage is needed to be stopped, the servo motor 22 is controlled to work to drive the regulating block 15 to move reversely, the first air guide groove 16 is communicated with the water cavity 11, further external air is led into the first air cavity 12 through the second air guide groove 21 and the first air guide groove 2, the external air is sucked into the water cavity 11 through the first air guide groove 16 and the second air guide groove 161, siphonage can be disconnected, the second bevel gear 36 can be driven to rotate by the rotating knob 35 of a worker, the valve rod 31 can be driven to rotate by the first bevel gear 34, the valve clack 32 is further driven to rotate in the air guide pipe 3, and accordingly opening and closing of the air guide pipe 3 are controlled, and further opening and closing of siphonage can be manually controlled when power is cut off.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a negative pressure vacuum siphon flow destruction valve, includes valve body (1), its characterized in that: the valve is characterized in that the middle part of the valve body (1) is provided with a water cavity (11), two sides of the water cavity (11) are symmetrically provided with a first air cavity (12), one side of the first air cavity (12) away from the water cavity (11) is provided with a second air cavity (13), the middle part of the inner walls of two sides of the water cavity (11) is provided with a sliding groove (14), the inner side of the sliding groove (14) is slidingly connected with an adjusting block (15), the outer side of the adjusting block (15) close to one end of the water cavity (11) is vertically provided with a first air guide groove (16), the other end of the adjusting block (15) is horizontally provided with a second air guide groove (161), the first air guide groove (16) is communicated with the second air guide groove (161), one end of the adjusting block (15) arranged at the inner side of the water cavity (11) is penetrated and fixedly provided with a sealing plate (17), the inner wall of one side of the second air cavity (13) is fixedly connected with a servo motor (22) through a bolt, the inner wall of the servo motor shaft (22) is fixedly connected with a screw rod (23), the screw rod (23) is connected with the screw rod (24) through a bearing (12) and is rotatably connected with the inner wall of the first air cavity (11) and the other end of the screw rod (24), the middle part of the inner wall of the front side of the water cavity (11) is penetrated and provided with an air duct (3), the inner walls of the top end and the bottom end of the air duct (3) are rotatably connected with a valve rod (31) through a bearing, and the valve rod (31) vertically penetrates through a valve clack (32) and is fixedly connected with the valve clack (32).

2. A negative pressure vacuum siphon break valve according to claim 1, characterised in that: the upper part of the inner wall of one side of the first air cavity (12) far away from the water cavity (11) is penetrated and provided with a first air guide opening (2), two sides of the valve body (1) are symmetrically provided with second air guide openings (21), the water cavity (11) is communicated with the first air cavity (12) through a sliding groove (14), the second air guide opening (21) is communicated with a second air cavity (13), and the first air cavity (12) is communicated with the second air cavity (13) through the first air guide opening (2).

3. A negative pressure vacuum siphon break valve according to claim 1, characterised in that: the first air guide grooves (16) are uniformly distributed on the outer side of the adjusting block (15) in an annular shape, and the first air guide grooves (16) and the second air guide grooves (161) are in one-to-one correspondence.

4. A negative pressure vacuum siphon break valve according to claim 1, characterised in that: the size of closing plate (17) and spout (14) cooperatees, the outside of closing plate (17) bonds has sealed pad (18), sealed pad (18) are laminated with the inner wall of water cavity (11).

5. A negative pressure vacuum siphon break valve according to claim 1, characterised in that: the sealing block (25) is in sliding connection with the first air cavity (12), and the adjusting block (15) is matched with the size of the first air cavity (12).

6. A negative pressure vacuum siphon break valve according to claim 1, characterised in that: the valve clack (32) is matched with the size of the air duct (3), a shell (33) is fixedly connected to the top end of the air duct (3), a first bevel gear (34) is fixedly arranged at one end of the inner side of the shell (33) and arranged on the valve rod (31), a knob (35) is rotatably connected to the inner wall of one side of the shell (33) through a bearing, a second bevel gear (36) is fixedly arranged at one end of the inner side of the shell (33) and arranged on the knob (35), and the first bevel gear (34) is meshed with the second bevel gear (36).

7. A negative pressure vacuum siphon break valve according to claim 1, characterised in that: the bottom of water cavity (11) runs through and has offered water inlet (4), the inner wall of water cavity (11) rear side has run through and has offered delivery port (41), the top fixedly connected with vacuum pump package (42) of valve body (1), the both sides fixedly connected with rings (43) of valve body (1).