CN209227675U - A kind of no-negative-pressure water supply equipment - Google Patents

Abstract

The utility model discloses a kind of no-negative-pressure water supply equipments, bucket is eliminated including negative pressure, the negative pressure, which is eliminated, is equipped with the second fixed ring on the outside of the upper end of bucket, the upper end that the negative pressure eliminates bucket is equipped with upper end connection cover, the outside of upper end connection cover is equipped with the first fixed ring, first fixed ring is corresponded to each other with the second fixed ring, the centre of the upper end connection cover is equipped with gas outlet, the connection of first fixed ring and the second fixed ring so that upper end connection cover and negative pressure eliminate bucket connect it is more convenient, and it is moved up and down in negative pressure elimination bucket by mobile piston head to eliminate negative pressure, and by tension sensor can come detect negative pressure eliminate bucket in negative pressure condition, so that service life of equipment is longer, the no-negative-pressure water supply equipment structure is simple, it is easy to operate, the situation of negative pressure can not only be eliminated, and make service life of equipment longer, and use electricity Subcomponent is few, can save a large amount of manpower and financial resources.

Description

A kind of no-negative-pressure water supply equipment

Technical field

The utility model relates to water work technical field, specially a kind of no-negative-pressure water supply equipment.

Background technique

Non-negative-pressure variable frequency constant pressure water supply equipment is mainly used in industry and civil buildings domestic water system, but existing No-negative-pressure water supply equipment structure is complicated, and inconvenience is installed, and many electronic components are provided in equipment, therefore equipment It is easily damaged, therefore the expense of many maintenances can be increased to people, and service life is short, bring many inconvenience for people.

Utility model content

The technical problems to be solved in the utility model is to overcome existing defect, provides a kind of no-negative-pressure water supply equipment, knot Structure is simple, easy to operate, can not only eliminate the situation of negative pressure, and makes service life of equipment longer, and uses electronics Element is few, can save a large amount of manpower and financial resources, can effectively solve the problems in background technique.

To achieve the above object, the utility model provides the following technical solutions: a kind of no-negative-pressure water supply equipment, including negative pressure Bucket is eliminated, the negative pressure is eliminated and is equipped with the second fixed ring on the outside of the upper end of bucket, and the upper end that the negative pressure eliminates bucket connects equipped with upper end Lid is connect, the outside of upper end connection cover is equipped with the first fixed ring, and the first fixed ring is corresponded to each other with the second fixed ring, and the upper end connects The centre for connecing lid is equipped with gas outlet, and the lower surface of upper end connection cover is bolted there are two telescopic rod, and telescopic rod is stretched Connecting plate has been bolted in contracting end, and the lower surface of connecting plate is equipped with mobile piston head, the upper surface of mobile piston head and company Tension sensor is equipped between the lower surface of fishplate bar, the side lower end that the negative pressure eliminates bucket is equipped with water inlet pipe, and the negative pressure disappears Except booster water pump has been bolted in the lower surface of bucket, the water inlet of booster water pump eliminates the lower end of bucket by conduit and negative pressure Water inlet connection, the water outlet of the booster water pump is connect with the first end of threeway conduit, and the second end and water of threeway conduit The import connection of table is pressed, the third end of threeway conduit is connect with the import of external water pipe, the input terminal electrical connection of booster water pump The output end of external PLC controller, the output of input terminal the electrical connection external power supply and tension sensor of external PLC controller End.

As a kind of optimal technical scheme of the utility model, the upper surface of second fixed ring is equipped with connection ring, institute The lower surface for stating the first fixed ring is equipped with annular groove, and annular groove is corresponded to each other with connection ring.

As a kind of optimal technical scheme of the utility model, connection is equipped at the lower surface edge of first fixed ring Pipe, the lower end of connecting tube are equipped with closed-loop, and the outside of closed-loop and negative pressure, which are eliminated, is equipped with rubber sealing ring between the inside of bucket.

As a kind of optimal technical scheme of the utility model, the lower surface of the closed-loop is equipped with connecting groove, and moves Annular rubber ring corresponding with connecting groove is equipped at the top surface edge of piston head.

As a kind of optimal technical scheme of the utility model, the water inlet pipe is equipped with electromagnetic valve, electromagnetic valve Input terminal is electrically connected the output end of external PLC controller.

Compared with prior art, the utility model has the beneficial effects that it is solid to be provided with first on this no-negative-pressure water supply equipment Determine ring and the second fixed ring, the connection of the first fixed ring and the second fixed ring is so that upper end connection cover is connect more with negative pressure elimination bucket Add conveniently, and is moved up and down in negative pressure elimination bucket by mobile piston head to eliminate negative pressure, and can by tension sensor Since detect negative pressure eliminate bucket in negative pressure condition so that service life of equipment is longer, the no-negative-pressure water supply equipment structure is simple, It is easy to operate, the situation of negative pressure can be not only eliminated, and make service life of equipment longer, and few using electronic component, A large amount of manpower and financial resources can be saved.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model side structure schematic diagram.

In figure: 1 upper end connection cover, 2 first fixed rings, 3 negative pressure eliminate bucket, 4 electromagnetic valves, 5 water inlet pipes, 6 booster water pumps, 7 threeway conduits, 8 water pressure gauges, 9 second fixed rings, 10 connecting tubes, 11 connection rings, 12 closed-loops, 13 mobile piston heads, 14 pulling force Sensor, 15 connecting plates, 16 telescopic rods, 17 annular grooves.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of no-negative-pressure water supply equipment, including negative pressure disappear Except bucket 3, negative pressure is eliminated and is equipped with the second fixed ring 9 on the outside of the upper end of bucket 3, and the upper end that negative pressure eliminates bucket 3 is equipped with upper end connection cover 1, The outside of upper end connection cover 1 is equipped with the first fixed ring 2, and the first fixed ring 2 is corresponded to each other with the second fixed ring 9, the first fixed ring 2 Connection with the second fixed ring 9 connect more convenient, the centre of upper end connection cover 1 so that upper end connection cover 1 eliminates bucket 3 with negative pressure Lower surface equipped with gas outlet, and upper end connection cover 1 is bolted there are two telescopic rod 16, and the telescopic end of telescopic rod 16 is logical It crosses and has been bolted connecting plate 15, the lower surface of connecting plate 15 is equipped with mobile piston head 13, and is existed by mobile piston head 13 Negative pressure, which is eliminated, to be moved up and down in bucket 3 to eliminate negative pressure, is changed with the size that this eliminates the water chamber inside bucket 3 to negative pressure, Tension sensor 14 is equipped between the upper surface of mobile piston head 13 and the lower surface of connecting plate 15, negative pressure eliminates the side of bucket 3 Lower end is equipped with water inlet pipe 5, and booster water pump 6, the water inlet of booster water pump 6 has been bolted in the lower surface that negative pressure eliminates bucket 3 It is connect by conduit with the lower end water inlet that negative pressure eliminates bucket 3, the water outlet of booster water pump 6 and the first end of threeway conduit 7 connect It connects, and the second end of threeway conduit 7 is connect with the import of water pressure gauge 8, can detecte out the water for entering user by water pressure gauge 8 Pressure, the third end of threeway conduit 7 are connect with the import of external water pipe, and the input terminal of booster water pump 6 is electrically connected external PLC control The output end of device, the output end of input terminal the electrical connection external power supply and tension sensor 14 of external PLC controller, second is fixed The upper surface of ring 9 is equipped with connection ring 11, and the lower surface of the first fixed ring 2 is equipped with annular groove 17, annular groove 17 and connection ring 11 correspond to each other, and the connection of annular groove 17 and connection ring 11 between the first fixed ring 2 and the second fixed ring 9 so that connect more Closely, connecting tube 10 is equipped at the lower surface edge of the first fixed ring 2, the lower end of connecting tube 10 is equipped with closed-loop 12, closed-loop 12 outside and negative pressure, which are eliminated, is equipped with rubber sealing ring between the inside of bucket 3, make closed-loop 12 by rubber sealing ring and bear Pressure is eliminated to connect between bucket 3 and more be closed, and the lower surface of closed-loop 12 is equipped with connecting groove, and the upper surface of mobile piston head 13 Edge is equipped with annular rubber ring corresponding with connecting groove, is connected with annular rubber ring so that closed-loop 12 by connecting groove Contacted with mobile piston head 13 even closer, water inlet pipe 5 is equipped with electromagnetic valve 4, and the input terminal of electromagnetic valve 4 is electrically connected external The output end of PLC controller can control external tap water by electromagnetic valve 4 and enter inside negative pressure elimination bucket 3, external The mode that PLC controller controls electromagnetic valve 4, tension sensor 14 and booster water pump 6 is method commonly used in the prior art, should No-negative-pressure water supply equipment structure is simple, easy to operate, can not only eliminate the situation of negative pressure, and makes service life of equipment more It is long and few using electronic component, a large amount of manpower and financial resources can be saved.

When in use: being connect first by water inlet pipe 5 with external running water pipe, then pass through the first fixed ring 2 and second Upper end connection cover 1 and negative pressure are eliminated bucket 3 and connect by the connection of fixed ring 9, and when use is eliminated by piston head 13 in negative pressure It is moved up and down in bucket 3, is changed with the size that this eliminates the water chamber inside bucket 3 to negative pressure, negative pressure is eliminated with this, works as generation Tension sensor 14 is crossed when negative pressure to detect the pulling force of piston head 13, the letter that then will test by tension sensor 14 It number is sent to external PLC controller, external PLC controller control booster water pump 6 and electromagnetic valve 4 close, and stops supplying with this Water positions the position of mobile piston head 13 by closed-loop 12 when tap water hydraulic is excessive.

The connection of the utility model the first fixed ring 2 and the second fixed ring 9 is so that upper end connection cover 1 and negative pressure eliminate bucket 3 It connects more convenient, and eliminates to move up and down in bucket 3 in negative pressure by mobile piston head 13 and eliminate negative pressure, and pass through pulling force Sensor 14 can come detect negative pressure eliminate bucket 3 in negative pressure condition so that service life of equipment is longer, which is set Standby structure is simple, easy to operate, can not only eliminate the situation of negative pressure, and make service life of equipment longer, and use Electronic component is few, can save a large amount of manpower and financial resources.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of no-negative-pressure water supply equipment, including negative pressure eliminate bucket (3), it is characterised in that: the negative pressure eliminates the upper end of bucket (3) Outside is equipped with the second fixed ring (9), and the upper end that the negative pressure eliminates bucket (3) is equipped with upper end connection cover (1), upper end connection cover (1) Outside be equipped with the first fixed ring (2), the first fixed ring (2) corresponds to each other with the second fixed ring (9), the upper end connection cover (1) centre is equipped with gas outlet, and the lower surface of upper end connection cover (1) is bolted there are two telescopic rod (16), stretches The telescopic end of bar (16) has been bolted connecting plate (15), and the lower surface of connecting plate (15) is equipped with mobile piston head (13), Tension sensor (14) are equipped between the upper surface of mobile piston head (13) and the lower surface of connecting plate (15), the negative pressure is eliminated The side lower end of bucket (3) is equipped with water inlet pipe (5), and booster water pump has been bolted in the lower surface that the negative pressure eliminates bucket (3) (6), the water inlet of booster water pump (6) is connect by conduit with the lower end water inlet that negative pressure eliminates bucket (3), the booster water pump (6) water outlet is connect with the first end of threeway conduit (7), and the import of the second end of threeway conduit (7) and water pressure gauge (8) connects It connects, the third end of threeway conduit (7) is connect with the import of external water pipe, and the input terminal of booster water pump (6) is electrically connected external PLC The output end of controller, the output end of input terminal the electrical connection external power supply and tension sensor (14) of external PLC controller.

2. a kind of no-negative-pressure water supply equipment according to claim 1, it is characterised in that: second fixed ring (9) it is upper Surface is equipped with connection ring (11), and the lower surface of first fixed ring (2) is equipped with annular groove (17), annular groove (17) and company Connect ring (11) reciprocal correspondence.

3. a kind of no-negative-pressure water supply equipment according to claim 1, it is characterised in that: under first fixed ring (2) Connecting tube (10) are equipped at marginal surface, the lower end of connecting tube (10) is equipped with closed-loop (12), the outside of closed-loop (12) and negative Pressure, which is eliminated, is equipped with rubber sealing ring between the inside of bucket (3).

4. a kind of no-negative-pressure water supply equipment according to claim 1, it is characterised in that: the lower surface of the closed-loop (12) Equipped with connecting groove, and annular rubber ring corresponding with connecting groove is equipped at the top surface edge of mobile piston head (13).

5. a kind of no-negative-pressure water supply equipment according to claim 1, it is characterised in that: the water inlet pipe (5) is equipped with electricity Magnet valve door (4), the input terminal of electromagnetic valve (4) are electrically connected the output end of external PLC controller.