CN218992364U

CN218992364U - Novel bottom-inlet stainless steel fire hydrant

Info

Publication number: CN218992364U
Application number: CN202120472349.0U
Authority: CN
Inventors: 徐世雄
Original assignee: Ningbo Weishi Fire Fighting Equipment Co ltd
Current assignee: Ningbo Weishi Fire Fighting Equipment Co ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2023-05-09
Anticipated expiration: 2031-03-05

Abstract

The utility model discloses a novel bottom-inlet stainless steel hydrant, which comprises a hand wheel, a screw cap, a valve cover, a valve clack, a valve body and a valve rod, wherein an assembly opening is formed in the top end of the valve body, a threaded rotary groove is formed in the inner wall of the valve body, which is positioned at the assembly opening, the top end of the valve body is rotatably connected with the valve cover through the threaded rotary groove, a limiting groove is fixedly arranged in the middle of the inner side of the valve cover, a first valve cover internal thread is fixedly arranged at the lower end of the limiting groove, the valve rod is arranged in the inner side of the first valve cover internal thread in a penetrating manner, the outer wall of the lower part of the outer side of the valve rod is assembled with the inner wall of the first valve cover internal thread through threads, and a middle rod is fixedly arranged in the bottom end of the valve rod in a plugging manner. The utility model adopts a combined structure, improves the product appearance and sealing performance while improving the product strength, realizes one-step forming of connecting threads through process improvement, saves the reprocessing link of a lathe, saves the processing cost, shortens the production period and has high practicability.

Description

Novel bottom-inlet stainless steel fire hydrant

Technical Field

The utility model relates to a fire hydrant, in particular to a novel bottom-inlet stainless steel fire hydrant.

Background

Fire hydrant, formally called fire hydrant, is a fixed fire-fighting equipment, and is mainly used for controlling combustible materials, isolating combustion-supporting materials and eliminating ignition sources. The indoor fire hydrant and the outdoor fire hydrant are separated. The fire-fighting system comprises an outdoor fire hydrant system, an indoor fire hydrant system, a fire extinguisher system, an automatic spraying system, a water cannon system, a gas fire-extinguishing system, a fire detection system, a water mist system and the like. The fire hydrant set is generally formed by combining a fire hydrant, a fire hose, a water gun, a connecting buckle, a bolt, a clip and the like, and the fire hydrant is mainly used for a fire truck to take water from a municipal water supply pipe network or an outdoor fire water supply pipe network to extinguish fire.

The existing fire hydrant has the defects of low self strength, large product volume, insufficient strength during assembly, particularly high processing cost and long production period due to the fact that turning is adopted at the position of connecting threads, and poor tightness when assembled in the later period, the screw connection position is easy to rust and difficult to open in the later period.

Accordingly, a new bottom-entry stainless steel hydrant is provided by those skilled in the art to solve the problems set forth in the background art above.

Disclosure of Invention

The utility model aims to provide a novel bottom-inlet stainless steel hydrant, which solves 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 novel bottom advance formula stainless steel fire hydrant, includes hand wheel, nut, valve gap, valve clack, valve body and valve rod, the assembly mouth has been seted up on the valve body top, the valve body is located the inner wall of assembly mouth department and has seted up the screw thread groove soon, the valve body top is connected soon through the screw thread groove and is installed the valve gap, the inboard middle part fixed mounting of valve gap has the spacing groove, spacing groove lower extreme fixed mounting has valve gap internal thread one, valve rod is run through in valve gap internal thread one inboard and install the valve rod, valve rod outside lower part outer wall passes through screw thread and the assembly of valve gap internal thread one inner wall, valve rod bottom inside grafting fixed mounting has the middlerod, middlerod bottom fixed mounting has the valve clack, the valve cap top is installed through the screw thread and is connected soon, the nut adopts six arriss nuts, the sealing washer is installed in the crimping between valve gap top lateral wall and the nut top inner wall, the valve rod top cover is established and is installed the hand wheel cover, hand wheel cover mid-mounting has the hand wheel bolt, and is installed in the hand wheel cover outside upper portion cover, and is established and is installed liner one, liner one and valve cover top lateral wall in close contact, hand wheel upper portion fixed mounting has the hand wheel, the bottom is provided with the water inlet, the delivery port is provided with the delivery port, valve body is provided with outer wall and valve body thread has two outer thread and two outer thread profile, two valve cap thread one-pieces, valve body thread and valve cap thread one-forming outer thread and valve cover thread one piece is located the valve body.

As a further scheme of the utility model: the middle part of the top end of the valve body is provided with an annular groove, and the valve body is embedded in the annular groove and provided with a rubber ring.

As still further aspects of the utility model: the middle part of the valve cover is provided with a step convex edge matched with the rubber ring, and the side wall of the bottom end of the valve cover positioned at the step convex edge is tightly pressed with the side wall of the top end of the rubber ring.

As still further aspects of the utility model: and a second gasket is fixedly arranged at the bottom end of the valve clack, and the side wall of the bottom end of the second gasket is tightly pressed and contacted with the inner wall of the lower part of the valve body.

As still further aspects of the utility model: the outer side wall of the middle part of the valve cover is arranged to be an equilateral hexagonal prism.

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

the utility model adopts a combined structure, improves the product appearance and sealing performance while improving the product strength, realizes one-step forming of connecting threads through process improvement, saves the reprocessing link of a lathe, saves the processing cost, shortens the production period and has high practicability.

Drawings

Fig. 1 is a schematic structural view of a novel bottom-entry stainless steel hydrant.

Fig. 2 is a schematic view of the middle and upper parts of a novel bottom-entry stainless steel hydrant.

Fig. 3 is a schematic diagram of the middle part of a novel bottom-entry stainless steel hydrant.

Fig. 4 is an assembled schematic view of the right part of a novel bottom-entry stainless steel hydrant.

In the figure: the valve comprises a hand wheel 1, a hand wheel bolt 2, a first gasket 3, a nut 4, a sealing ring 5, a valve cover 6, a rubber ring 7, a first valve cover internal thread 8, a valve clack 9, a threaded valve cover 10, a valve body 11, a second valve cover internal thread 12, a limit groove 13, a valve rod 14, a hand wheel sleeve 15, a middle rod 16, an outlet external thread 17 and a second gasket 18.

Description of the embodiments

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, or detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

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.

Referring to fig. 1-4, in the embodiment of the utility model, a novel bottom-inlet stainless steel hydrant comprises a hand wheel 1, a screw cap 4, a valve cap 6, a valve clack 9, a valve body 11 and a valve rod 14, wherein an assembly opening is formed at the top end of the valve body 11, a threaded rotary groove is formed in the inner wall of the valve body 11 positioned at the assembly opening, the valve cap 6 is rotatably connected with the top end of the valve body 11 through the threaded rotary groove, a limit groove 13 is fixedly arranged in the middle of the inner side of the valve cap 6, a first valve cap internal thread 8 is fixedly arranged at the lower end of the limit groove 13, the valve rod 14 is arranged in the inner side of the first valve cap internal thread 8 in a penetrating manner, the outer wall of the lower part of the outer side of the valve rod 14 is assembled with the inner wall of the first valve cap internal thread 8 through threads, a middle rod 16 is fixedly arranged in an inserting manner at the inner side of the bottom end of the valve rod 14, the valve clack 9 is fixedly arranged at the bottom end of the middle rod 16, the screw cap 4 is rotatably connected with the top end of the valve cap 6 through threads, and the hexagonal screw cap 4 is a nut is arranged through a hexagonal screw cap, the sealing ring 5 is arranged between the side wall of the top end of the valve cover 6 and the inner wall of the top end of the screw cap 4 in a pressing connection way, the top end of the valve rod 14 is sleeved with a hand wheel sleeve 15, the middle part of the hand wheel sleeve 15 is inserted and provided with a hand wheel bolt 2, the upper part of the outer side of the hand wheel bolt 2 is sleeved with a first gasket 3, the first gasket 3 is tightly contacted with the side wall of the top end of the hand wheel sleeve 15, the upper part of the outer side of the hand wheel sleeve 15 is fixedly provided with a hand wheel 1, the bottom end of the valve body 11 is provided with a water inlet, the right end of the valve body 11 is provided with a water outlet, the outer wall of the valve body 11 at the water outlet is provided with an outlet external thread 17, the right end of the valve body 11 is rotatably provided with a threaded valve cover 10, the inner wall of the threaded valve cover 10 is provided with a valve cover internal thread second 12 matched with the outlet external thread 17, the valve body 11 and the outlet external thread 17 are integrally formed, the threaded valve cover 10 and the valve cover internal thread second 12 are integrally formed, the edge of the threaded valve cover 10 is provided with a protruding handle.

An annular groove is formed in the middle of the top end of the valve body 11, and the rubber ring 7 is embedded and arranged at the annular groove of the valve body 11.

The middle part of the valve cover 6 is provided with a step convex edge matched with the rubber ring 7, and the bottom side wall of the valve cover 6 positioned at the step convex edge is tightly pressed with the top side wall of the rubber ring 7.

And a second gasket 18 is fixedly arranged at the bottom end of the valve clack 9, and the side wall at the bottom end of the second gasket 18 is tightly pressed and contacted with the inner wall at the lower part of the valve body 11.

The outer side wall of the middle part of the valve cover 6 is arranged into an equilateral hexagonal prism shape.

The working principle of the utility model is as follows:

the utility model relates to a novel bottom-inlet stainless steel fire hydrant, which is used for roadside assembly, and is characterized in that a valve body 11 is sleeved on a roadside water supply pipe during working, the lower end of the valve body 11 is tightly pressed through a valve clack 9 and a liner II 18 before use, the lower end of the valve body 11 is tightly pressed by threads, the threads are arranged at an interface for secondary sealing and rubber liner sealing, the sealing effect is good, and the stainless steel material is adopted, so that the product strength is improved, and the appearance and sealing performance of the product are improved. Meanwhile, through technological improvement, the one-step forming of the QRT connecting thread is realized, the reprocessing link of a lathe is omitted, the processing cost is saved, and the production period is shortened.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a novel bottom advance formula stainless steel fire hydrant, includes hand wheel (1), nut (4), valve gap (6), valve clack (9), valve body (11) and valve rod (14), a serial communication port, the assembly mouth has been seted up on valve body (11) top, screw thread groove has been seted up to the inner wall that valve body (11) are located assembly mouth department, valve gap (6) are installed through screw thread groove soon in valve body (11) top, and inboard middle part fixed mounting of valve gap (6) has spacing groove (13), spacing groove (13) lower extreme fixed mounting has valve gap internal thread one (8), and valve gap internal thread one (8) inboard runs through and installs valve rod (14), valve rod (14) outside lower part outer wall pass through screw thread and valve gap internal thread one (8) inner wall assembly, valve rod (16) are pegged graft fixed mounting in valve rod (14) bottom, and valve clack (9) are installed through the screw thread in the screw cap (4) are soon on valve gap (6) top, and nut (4) adopt six arrises, install sealing washer (5) between valve gap (6) top lateral wall and the inner wall of cap (4).

2. The novel bottom-entry stainless steel hydrant according to claim 1, wherein a hand wheel sleeve (15) is sleeved and installed at the top end of the valve rod (14), a hand wheel bolt (2) is installed in the middle of the hand wheel sleeve (15), a liner I (3) is sleeved and installed at the upper portion of the outer side of the hand wheel bolt (2), the liner I (3) is tightly contacted with the side wall of the top end of the hand wheel sleeve (15), a hand wheel (1) is fixedly installed at the upper portion of the outer side of the hand wheel sleeve (15), a water inlet is formed in the bottom end of the valve body (11), a water outlet is formed in the right end of the valve body (11), an outlet external thread (17) is formed in the outer wall of the valve body (11), a threaded valve cover (10) is installed in a screwed mode, a valve cover internal thread II (12) matched with the outlet external thread (17) is arranged on the inner wall of the threaded valve cover (10), the valve cover (11) and the outlet external thread (17) are integrally formed, and the valve cover internal thread II (12) is integrally formed, and a water outlet is formed at the edge of the threaded valve cover (10).

3. The novel bottom-inlet stainless steel fire hydrant according to claim 1, wherein an annular groove is formed in the middle of the top end of the valve body (11), and a rubber ring (7) is embedded in the position of the valve body (11) located in the annular groove.

4. The novel bottom-entry stainless steel hydrant according to claim 1, wherein a step protruding edge matched with the rubber ring (7) is arranged in the middle of the valve cover (6), and the bottom side wall of the valve cover (6) located at the step protruding edge is tightly pressed against the top side wall of the rubber ring (7).

5. The novel bottom-inlet stainless steel hydrant according to claim 1, wherein a second gasket (18) is fixedly arranged at the bottom end of the valve clack (9), and the side wall of the bottom end of the second gasket (18) is in tight extrusion contact with the inner wall of the lower part of the valve body (11).

6. A new bottom-entry stainless steel fire hydrant according to claim 1, characterized in that the outer side wall of the middle part of the valve cover (6) is arranged in the shape of an equilateral hexagonal.