CN215309922U

CN215309922U - Foam mixing device for hand-lifting mechanical fire pump

Info

Publication number: CN215309922U
Application number: CN202121385793.5U
Authority: CN
Inventors: 郑钰乔; 陈益飞
Original assignee: Zhejiang Huaqiu Fire Equipment Co ltd
Current assignee: Zhejiang Huaqiu Fire Equipment Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-12-28
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses a foam mixing device for a hand-lift motor-driven fire pump, which is characterized in that: including the hybrid joint, with hybrid joint fixed connection's one-way disk seat, with individual disk seat fixed connection's ball valve disk seat and with ball valve disk seat fixed connection's pagoda connector, the pagoda connector is connected with the input leather hose, and the hybrid joint is connected with the fire pump. The utility model can solve the defects in the prior art, has simple structure, convenient operation, simpler adjustment and no waste.

Description

Foam mixing device for hand-lifting mechanical fire pump

Technical Field

The utility model relates to a foam mixing device for a hand-lift motor-driven fire pump.

Background

The fire pump has an important function in fire rescue, and in practical application, the fire pump not only needs water, but also can mix foam, and the fire pump can spray water or foam mixed liquid according to the needs of the situation, but the existing fire pump can not adjust the input amount of the foam when outputting the foam mixed liquid, and in operation, the phenomenon that water flows back to the foam mixer under the condition of positive pressure when the water outlet valve is closed can also occur, and the fire pump is inconvenient to use; the applicant provides further improvement on the basis and designs a foam mixing device for a handheld motor-driven fire pump so as to meet the requirements of the existing market.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a foam mixing device for a handheld fire pump, which is simple in structure, convenient to operate, simpler to adjust and free of waste.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a foam mixing arrangement for power-driven fire pump is lifted to hand which characterized in that: including the hybrid joint, with hybrid joint fixed connection's one-way disk seat, with one-way disk seat fixed connection's ball valve disk seat and with ball valve disk seat fixed connection's pagoda connector, the pagoda connector is connected with the input leather hose, and hybrid joint and fire pump and water piping connection.

The utility model is further optimized, an annular groove is arranged outside the mixing joint, a first perforation and a second perforation are arranged inside the mixing joint, a water pipe is sleeved on the annular groove, and the second perforation is matched with the fire pump.

The utility model is further optimized, the inner diameter of the first through hole is smaller than that of the second through hole, and an input hole is further arranged at the first through hole and connected with the one-way valve seat.

The utility model is further optimized, and external threads are arranged at two ends of the one-way valve seat.

The utility model is further optimized, and the ball valve seat comprises a valve seat main body, a ball valve arranged in the valve seat main body and a control rod connected with the ball valve and used for controlling the ball valve.

The utility model is further optimized, the two ends of the valve seat main body are provided with internal threads, the outer ends of the internal threads of the valve seat main body are provided with hexagonal bulges, and the internal threads of the two ends of the valve seat main body are respectively matched with the one-way valve seat and the pagoda connector.

The utility model is further optimized, the pagoda connector is provided with an external thread, a hexagonal bulge is arranged beside the external thread, and an external tooth pagoda is arranged outside the hexagonal bulge.

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

the utility model relates to a foam mixing device for a hand-lift motor-driven fire pump, which is characterized in that a mixing joint, a one-way valve seat fixedly connected with the mixing joint, a ball valve seat fixedly connected with the one-way valve seat and a pagoda connector fixedly connected with the ball valve seat are arranged, the pagoda connector is connected with an input leather hose, and the mixing joint is connected with the fire pump. According to the utility model, the suction force is brought by the negative pressure at the inlet of the fire pump when the fire pump works normally, so that the flow of the ball valve can be adjusted by adjusting the control rod and the suction force according to the mixing ratio of the foam liquid and the flow of the suction force, the use is very convenient, and no waste is caused; and the mixing joint is connected with a one-way valve seat to prevent water of the fire pump from flowing back to the foam mixer under the condition of positive pressure when the water outlet valve is closed, when foam liquid is needed, the ball valve is opened to start absorbing the foam liquid, the foam liquid and the water enter the fire pump through the mixing joint, and foam mixed liquid is sprayed out from the outlet.

Therefore, the utility model can overcome the defects in the prior art, and has the advantages of simple structure, convenient operation, simpler adjustment and no waste.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic view of the present invention connecting a fire pump and an input hose.

In the figure: 1. a hybrid junction; 2. a one-way valve seat; 3. a ball valve seat; 4. a pagoda connector; 5. an annular groove; 6. a first perforation; 7. a second perforation; 8. an input aperture; 9. a valve seat body; 10. a ball valve; 11. a control lever; 12. a first hexagonal protrusion; 13. a second hexagonal protrusion; 14. the external tooth pagoda is direct.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

As shown in fig. 1-3, the utility model is a foam mixing device for a hand-lift motor-driven fire pump, which is characterized in that: including hybrid joint 1, with hybrid joint 1 fixed connection's one-way disk seat 2, with one-way disk seat fixed connection's ball valve disk seat 3 and with 3 fixed connection's of ball valve disk seat pagoda connector 4, pagoda connector 4 and input leather hose connection, and hybrid joint 1 is connected with the fire pump. According to the utility model, the suction is brought by the negative pressure at the inlet of the fire pump when the fire pump works normally, so that the flow of the control rod 11 and the ball valve 10 can be adjusted according to the mixing ratio and the suction of foam liquid, the use is very convenient, and no waste is caused; and the mixing joint 1 is connected with a one-way valve seat 2 to prevent water of the fire pump from flowing back to the foam mixer under the condition of positive pressure when the water outlet valve is closed, when foam liquid is needed, the ball valve 10 is opened to start absorbing the foam liquid, the foam liquid and water enter the fire pump through the mixing head, and foam mixed liquid is sprayed out from an outlet.

In the utility model, an annular groove 5 is arranged outside the mixing joint 1, a first perforation 6 and a second perforation 7 are arranged inside the mixing joint 1, a water pipe is sleeved on the annular groove 5, and the second perforation 7 is matched with a fire pump. According to the utility model, the water pipe is sleeved on the annular groove 5, and the second through hole 7 is matched with the fire pump, so that foam liquid and water can simultaneously enter the mixing structure to be mixed, then enter the fire pump through the mixing head, enter the fire pump through the second through hole 7, and spray foam mixed liquid from the outlet.

In the utility model, the inner diameter of the first through hole 6 is smaller than that of the second through hole 7, an input hole 8 is further arranged at the first through hole 6, and the input hole 8 is connected with the one-way valve seat 2. The inlet opening 8 is in the utility model connected to the one-way valve seat 2 so that foam can enter the mixing head 1 through the inlet opening 8.

In the utility model, external threads are arranged at two ends of the one-way valve seat 2.

In the present invention, the ball valve seat 3 includes a seat body 9, a ball valve 10 disposed inside the seat body 9, and a control rod 11 connected to the ball valve 10 and controlling the ball valve 10. The control rod 11 can control the ball valve 10, and the control rod 11 and the flow of the ball valve 10 are adjusted according to the mixing ratio and the suction of the foam liquid, so that the mixing ratio of the foam liquid is optimal.

In the utility model, internal threads are arranged at two ends of the valve seat main body 9, the outer end of the internal threads of the valve seat main body 9 is provided with a first hexagonal bulge 12, and the internal threads at two ends of the valve seat main body 9 are respectively matched with the one-way valve seat 2 and the pagoda connector 4.

In the utility model, the pagoda connector 4 is provided with an external thread, a second hexagonal bulge 13 is arranged beside the external thread, and an external tooth pagoda direct 14 is arranged outside the second hexagonal bulge 13. The external tooth pagoda is directly connected with the input leather hose 14, and the friction force between the input leather hose and the pagoda connector 4 is larger, so that the external tooth pagoda is not easy to fall off.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a foam mixing arrangement for power-driven fire pump is lifted to hand which characterized in that: including the hybrid joint, with hybrid joint fixed connection's one-way disk seat, with one-way disk seat fixed connection's ball valve disk seat and with ball valve disk seat fixed connection's pagoda connector, the pagoda connector is connected with the input leather hose, and the hybrid joint is connected with the fire pump.

2. The foam mixing device for the hand-lift motor-driven fire pump according to claim 1, wherein: the mixing joint is externally provided with an annular groove, the mixing joint is internally provided with a first perforation and a second perforation, the annular groove is sleeved with a water pipe, and the second perforation is matched with a fire pump.

3. The foam mixing device for the hand-lift motor-driven fire pump according to claim 2, wherein: the inner diameter of the first through hole is smaller than that of the second through hole, an input hole is further formed in the first through hole, and the input hole is connected with the one-way valve seat.

4. The foam mixing device for the hand-lift motor-driven fire pump according to claim 1, wherein: and external threads are arranged at two ends of the one-way valve seat.

5. The foam mixing device for the hand-lift motor-driven fire pump according to claim 1, wherein: the ball valve seat comprises a seat body, a ball valve arranged in the seat body and a control rod connected with the ball valve and controlling the ball valve.

6. The foam mixing device for the hand-lift motor-driven fire pump according to claim 5, wherein: the both ends of disk seat main part are equipped with the internal thread, and the internal thread's of disk seat main part outer end is equipped with first hexagon arch, the internal thread at disk seat main part both ends cooperates with one-way disk seat, pagoda connector respectively.

7. The foam mixing device for the hand-lift motor-driven fire pump according to claim 1, wherein: the pagoda connector is provided with an external thread, a second hexagonal bulge is arranged beside the external thread, and an external tooth pagoda is arranged outside the hexagonal bulge.