CN214999533U

CN214999533U - Tapping head and fire-fighting water distributor using same

Info

Publication number: CN214999533U
Application number: CN202120865517.2U
Authority: CN
Inventors: 倪金土
Original assignee: Suzhou Lieutenant Metal Products Co ltd
Current assignee: Suzhou Lieutenant Metal Products Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-12-03
Anticipated expiration: 2031-04-25

Abstract

The utility model discloses a tapping head and use its fire control water knockout drum, it relates to fire control water knockout drum field. The technical scheme is characterized by comprising an external connecting pipe, an intermediate pipe and an internal connecting pipe which are sequentially connected through threads; a buckle assembly is arranged in the external connecting pipe, and a fixed inner spigot is arranged at the end part of the internal connecting pipe; the taps are fixedly connected through the inner connecting pipe, and the fixed inner spigot is used for connecting and positioning. The utility model discloses the effect that reduces tap and fire control water knockout drum weight has been reached to be convenient for carry and install and use the fire control water knockout drum.

Description

Tapping head and fire-fighting water distributor using same

Technical Field

The utility model relates to a fire control water knockout drum field, more specifically say, it relates to a tapping head and use its fire control water knockout drum.

Background

The fire-fighting water distributors are arranged on a water trunk line of a fire fighting truck, each water distributor comprises a water inlet and a plurality of water outlets, and the fire-fighting water distributors can be used simultaneously or respectively. All have valve gear on the delivery port, can close at any time, control rivers, be convenient for increase and change branch line hosepipe.

A tap joint is arranged at the water outlet of the fire-fighting water separator, and the tap joint generally adopts an inner buckling structure to realize the quick connection of the water hose and the tap joint.

The existing fire-fighting water distributor and the tap are generally made of aluminum alloy materials and then processed through a casting process, the tap is connected with the fire-fighting water distributor through threads, and the threaded connection position needs to ensure certain wall thickness.

However, the fire water separator and the tap have a problem of heavy weight, which is not suitable for transportation, installation and use.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a tapping head, it can be fixed a position and come the cooperation to realize fixed connection to can reduce the wall thickness and come weight reduction.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a tap comprises an external connecting pipe, an intermediate pipe and an internal connecting pipe which are connected in turn by screw threads; a buckle assembly is arranged in the external connecting pipe, and a fixed inner spigot is arranged at the end part of the internal connecting pipe; the taps are fixedly connected through the inner connecting pipe, and the fixed inner spigot is used for connecting and positioning.

Further, the inner side wall of the inner connecting pipe is provided with a convex ring used for forming the fixed inner spigot.

Further, the intermediate pipe includes an outer pipe connecting section connected to the outer pipe, an inner pipe connecting section connected to the inner pipe, and an intermediate section connected between the outer pipe connecting section and the inner pipe connecting section.

Further, the cross section of the outer pipe connecting section is U-shaped.

Furthermore, the outer side wall of the inner pipe connecting section is provided with a sealing sinking groove, and a connecting sealing ring in contact with the inner side wall of the inner connecting pipe is embedded in the sealing sinking groove.

Furthermore, a sealing ring spigot is arranged on the inner pipe connecting section.

Further, the section of the inner pipe connecting section is F-shaped.

Another object of the utility model is to provide a fire control water knockout drum, it includes the valve body of thin wall formula, be provided with above-mentioned tap on the valve body.

Furthermore, the open end of the valve body is embedded in the fixed inner spigot, and the valve body and the inner connecting pipe are fixed through welding.

Further, be provided with the ball valve subassembly on the valve body, the ball valve subassembly is including inlaying the first sealing washer of locating in the sealing washer tang.

To sum up, the utility model discloses following beneficial effect has:

1. the utility model adopts welding fixation between the tap and the valve body, and compared with the traditional threaded connection mode, the wall thickness of the part can be reduced, thereby reducing the weight and being convenient for carrying, installation and use;

2. the valve body adopts a thin-wall structure, and compared with the traditional cast valve body, the weight can be greatly reduced, thereby being convenient for carrying, installation and use.

Drawings

FIG. 1 is a sectional view of a joint in example 1;

FIG. 2 is a schematic view showing the structure of a tap in example 1;

fig. 3 is a schematic structural view of the fire damper in example 2.

In the figure: 1. an external connection pipe; 21. a middle section; 22. an outer tube connecting section; 23. an inner tube connecting section; 231. a sealing ring spigot; 3. an inner connecting pipe; 31. a convex ring; 32. fixing an inner spigot; 4. a buckle assembly; 5. connecting a sealing ring; 6. a valve body; 71. a ball head; 72. a first seal ring; 73. a second seal ring; 74. a seal ring bracket; 75. a valve stem drive assembly.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Example 1:

a joint, referring to fig. 1 and 2, comprises an outer joint pipe 1, an intermediate pipe and an inner joint pipe 3 which are sequentially connected through screw threads; the external connecting pipe 1 is internally provided with a buckle component 4, and the end part of the internal connecting pipe 3 is provided with a fixed internal spigot 32; the taps in this embodiment are fixedly connected by the inner connecting tube 3, and the fixed inner spigots 32 are used for connection positioning; in this embodiment, three sets of buckle assemblies 4 are disposed in the external connection pipe 1, and the buckle assemblies 4 belong to the prior art and are not described herein again.

Referring to fig. 1, the inner wall of the inner pipe 3 is provided with a protruding ring 31 for forming a fixed inner seam allowance 32, and the fixed inner seam allowance 32 is formed by using the protruding ring 31, so that the wall thickness of the inner pipe 3 can be effectively controlled, thereby reducing the weight.

Referring to fig. 1, the intermediate pipe includes an outer pipe connection section 22 connected to the outer joint pipe 1, an inner pipe connection section 23 connected to the inner joint pipe 3, and an intermediate section 21 connected between the outer pipe connection section 22 and the inner pipe connection section 23; specifically, the outer side wall of the outer pipe connecting section 22 is in threaded connection with the inner side wall of the outer connecting pipe 1, the outer side wall of the inner pipe connecting section 23 is in threaded connection with the inner side wall of the inner connecting pipe 3, and the outer pipe connecting section 22, the middle section and the inner pipe connecting section 23 are integrally formed; the outer side wall of the inner pipe connecting section 23 is provided with a sealing sinking groove, and a connecting sealing ring 5 which is in contact with the inner side wall of the inner connecting pipe 3 is embedded in the sealing sinking groove, so that the sealing effect can be improved.

Referring to fig. 1, the cross-section of the outer pipe connecting section 22 is U-shaped in this embodiment, so that the weight can be reduced; the inner pipe connecting section 23 is provided with a sealing ring spigot 231, and the cross section of the inner pipe connecting section 23 is F-shaped, so that the weight can be reduced.

Example 2:

a fire-fighting water separator, refer to fig. 1 and 3, comprises a thin-wall valve body 6, wherein a branching joint in embodiment 1 is arranged on the valve body 6; specifically, the open end of the valve body 6 is embedded in the fixed inner spigot 32, and the valve body 6 and the inner connecting pipe 3 are fixed by welding; in the embodiment, the valve body 6 adopts a thin-wall structure to reduce the weight, so the valve body 6 and the tap joint are not suitable to adopt the existing threaded connection mode; in the embodiment, the valve body 6 and the inner connecting pipe 3 are axially and radially positioned by fixing the inner spigot 32 and then are fixed by welding, so that the wall thickness of the inner connecting pipe 3 can be reduced, and the wall thicknesses of the middle pipe and the outer connecting pipe 1 can be reduced on the basis, thereby reducing the weight of a tap.

Referring to fig. 1 and 3, in the present embodiment, the valve body 6 is made of a titanium alloy material, so that the structural strength and stability thereof can be ensured; the materials of the external connecting pipe 1, the intermediate pipe and the internal connecting pipe 3 in the tap joint can be titanium alloy or other materials, and the structural strength of the external connecting pipe, the intermediate pipe and the internal connecting pipe can be ensured under the condition of reducing the wall thickness.

Referring to fig. 1 and 3, a ball valve assembly is disposed on the valve body 6, and specifically, the ball valve assembly in this embodiment includes a ball head 71, a valve stem driving assembly 75, a first sealing ring 72, a second sealing ring 73, and a sealing ring bracket 74; the first seal ring 72 is embedded in the seal ring seam allowance 231 of the tap, the second seal ring 73 is embedded in the seal ring bracket 74, and the seal ring bracket 74 is fixed on the inner wall of the valve body 6 by welding.

Claims

1. A tap, its characterized in that: comprises an external connecting pipe, an intermediate pipe and an internal connecting pipe which are connected in turn by screw threads; a buckle assembly is arranged in the external connecting pipe, and a fixed inner spigot is arranged at the end part of the internal connecting pipe; the taps are fixedly connected through the inner connecting pipe, and the fixed inner spigot is used for connecting and positioning.

2. The tap as claimed in claim 1, wherein: and a convex ring used for forming the fixed inner spigot is arranged on the inner side wall of the inner connecting pipe.

3. The tap as claimed in claim 1, wherein: the middle pipe comprises an outer pipe connecting section connected with the outer connecting pipe, an inner pipe connecting section connected with the inner connecting pipe and a middle section connected between the outer pipe connecting section and the inner pipe connecting section.

4. The tap as claimed in claim 3, wherein: the cross section of the outer pipe connecting section is U-shaped.

5. The tap as claimed in claim 3, wherein: the outer side wall of the inner pipe connecting section is provided with a sealing sinking groove, and a connecting sealing ring in contact with the inner side wall of the inner connecting pipe is embedded in the sealing sinking groove.

6. The tap as claimed in claim 3, wherein: and a sealing ring spigot is arranged on the inner pipe connecting section.

7. The tap as claimed in claim 6, wherein: the section of the inner pipe connecting section is F-shaped.

8. The utility model provides a fire control water knockout drum which characterized in that: comprising a thin walled valve body having the tap of claim 6 disposed thereon.

9. The fire protection water separator of claim 8, wherein: the open end of the valve body is embedded in the fixed inner spigot, and the valve body is fixed with the inner connecting pipe through welding.

10. The fire protection water separator of claim 8, wherein: the ball valve assembly is arranged on the valve body and comprises a first sealing ring embedded in a sealing ring spigot.