CN212155844U

CN212155844U - Seepage-proof fire hydrant

Info

Publication number: CN212155844U
Application number: CN202020473004.2U
Authority: CN
Inventors: 康丽纳
Original assignee: Quanzhou Kangxin Patent Application Service Co ltd
Current assignee: Wofu Fire & Security Equipment Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-12-15
Anticipated expiration: 2030-04-03

Abstract

The utility model relates to the technical field of fire hydrants, in particular to an anti-seepage fire hydrant, which utilizes triple sealing of a first sealing seat, a second sealing seat and a valve core to improve the sealing effect of the fire hydrant, prevents the problems of water seepage and water leakage, has practical significance and popularization value, and can be expected to generate good economic benefit, and comprises a fire hydrant body, a valve rod and a sealing seat, wherein the fire hydrant body is provided with at least 1 number of water outlets, the valve rod and the fire hydrant body form a spiral pair, the bottom end of the valve rod is provided with the valve core, the bottom end of the valve rod is sequentially provided with a first sealing disk and a second sealing disk, the bottom end of the first sealing disk is connected with the second sealing disk through a telescopic rod, the bottom end of the second sealing, but the cover is equipped with the spring on the telescopic link, and the bottom in the fire hydrant body is located to the seal receptacle, and the seal receptacle matches with first sealed dish, the sealed dish of second and case.

Description

Seepage-proof fire hydrant

Technical Field

The utility model relates to a fire hydrant technical field specifically is an anti-seepage fire hydrant.

Background

The fire hazard can cause serious threat for the physical and mental health and property safety of residents, for strengthening fire safety work, the fire fighting equipment can be matched in residential districts, towns, enterprises and public places, the fire hydrant is an important fire fighting equipment, can quickly supply water for fire extinguishing, and plays the roles of controlling combustible substances, isolating combustion-supporting substances and eliminating fire sources.

Traditional fire hydrant can use the case and the seal receptacle cooperation of taking the inlet port to realize opening and closing of fire hydrant, the sealing washer that can install the rubber material on the case improves the sealed effect of case, because the water pressure of water inlet is great, the sealing washer is out of shape easily under the impact of high-pressure rivers, can influence the normal work of case, thereby the fire hydrant infiltration appears, the problem of leaking, if consequently improve the fire hydrant on the basis based on prior art, research and development a leakproofness is good, can prevent the infiltration, the fire hydrant that the problem of leaking appears will have positive meaning.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an prevention of seepage fire hydrant to solve the problem that mentions in the background art.

In order to achieve the purpose, the utility model provides a following technical scheme, including fire hydrant body, valve rod and seal receptacle, be equipped with quantity delivery port that is 1 at least on the fire hydrant body, the valve rod with the fire hydrant body constitutes the spiral pair, the valve rod bottom is equipped with the case, the valve rod bottom is equipped with first sealed dish and second sealed dish in proper order, but first sealed dish bottom through telescopic link with the second sealed dish links to each other, but second sealed dish bottom through telescopic link with the case links to each other, but the cover is equipped with the spring on the telescopic link, the seal receptacle is located bottom in the fire hydrant body, the seal receptacle with first sealed dish the second sealed dish with the case matches.

Preferably, first sealed dish the second sealed dish with the seal receptacle contact surface all is equipped with cyclic annular lug, the seal receptacle with first sealed dish the second sealed dish contact surface is equipped with cyclic annular sunken, cyclic annular lug with cyclic annular sunken the matching.

Preferably, the number of the water outlets is 2.

Preferably, the center of the bottom end of the first sealing plate is connected with the center of the second sealing plate through a telescopic rod.

Preferably, the center of the bottom end of the second sealing disc is connected with the top end of the valve core through a telescopic rod.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:

when the fire hydrant needs to be opened, an operator reversely twists the valve rod, the spring gradually relaxes and simultaneously lengthens the length of the telescopic rod, the valve rod continues to be reversely twisted after the telescopic rod recovers the initial length, and the valve core, the first sealing disc and the second sealing disc are separated from the sealing seat at the moment, so that water flow can enter the fire hydrant body from the sealing seat and flow out through the water outlet; when the fire hydrant needs to be closed, an operator forwards twists the valve rod, continues to twist the valve rod after the valve core abuts against the sealing seat, the spring and the telescopic rod are compressed, the first sealing disc and the second sealing disc abut against the sealing seat, the sealing effect of the fire hydrant is improved by triple sealing of the valve core, the first sealing disc and the second sealing disc, and the problems of water seepage and water leakage are avoided.

The utility model discloses utilize the triple sealed effect that improves the fire hydrant of first seal receptacle, second seal receptacle and case, prevent that the problem of leaking water from appearing, have practical meaning and spreading value, expect to produce good economic benefits.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic cross-sectional structure of the present invention (open state);

FIG. 2 is a schematic cross-sectional structure (closed state) of the present invention;

FIG. 3 is an enlarged detail view of portion A of FIG. 1;

in the figure: the fire hydrant comprises a fire hydrant body 1, a water outlet 11, a valve rod 2, a valve core 21, a first sealing disc 22, a second sealing disc 23, a telescopic rod 24, a spring 25, an annular convex block 26, a sealing seat 3 and an annular concave 31.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

With reference to fig. 1-3, an anti-seepage fire hydrant comprises a fire hydrant body 1, a valve rod 2 and a sealing seat 3, wherein 2 water outlets 11 are arranged on the fire hydrant body 1, the valve rod 2 and the fire hydrant body 1 form a spiral pair, a valve core 21 is arranged at the bottom end of the valve rod 2, a first sealing disc 22 and a second sealing disc 23 are sequentially arranged at the bottom end of the valve rod 2, the bottom end center of the first sealing disc 22 is connected with the top surface center of the second sealing disc 23 through a telescopic rod 24, the bottom end center of the second sealing disc 23 is connected with the top end of the valve core 21 through a telescopic rod 24, a spring 25 is sleeved on the telescopic rod 24, the sealing seat 3 is arranged at the inner bottom of the fire hydrant body 1, the sealing seat 3 is matched with the first sealing disc 22, the second sealing disc 23 and the valve core 21, the contact surfaces of the first sealing disc 22, the second sealing disc 23 and the sealing seat 3 are all, the contact surface of the seal seat 3, the first seal disc 22 and the second seal disc 23 is provided with an annular recess 31, and the annular bump 26 is matched with the annular recess 31.

The first seal disk 22 and the second seal disk 23 refer to disk-shaped members that function as seals; the telescopic rod 24 refers to a rod body with a changeable length in the prior art, and is a telescopic hollow cylindrical rod made of a metal material; the annular projection 26 is a block in the shape of a ring, the annular recess 31 is a recess in the shape of a ring, and the annular projection 26 and the annular recess 31 are provided to improve the sealing effect of the first sealing disk 22, the second sealing disk 23 and the sealing seat 3.

The utility model discloses the theory of operation: when the fire hydrant needs to be opened, an operator reversely twists the valve rod 2, the spring 25 gradually relaxes, the length of the telescopic rod 24 is lengthened, the telescopic rod 24 continuously reversely twists the valve rod 2 after recovering the initial length, at the moment, the valve core 21, the first sealing disc 22 and the second sealing disc 23 are separated from the sealing seat, and water flow can enter the fire hydrant body 1 from the sealing seat 3 and flow out through the water outlet 11; when the fire hydrant needs to be closed, an operator can twist the valve rod 2 forwards, and continue to twist the valve rod 2 after the valve core 21 abuts against the sealing seat 3, at the moment, the spring 25 and the telescopic rod 24 are compressed, the first sealing disc 22 and the second sealing disc 23 abut against the sealing seat 3, the sealing effect of the fire hydrant is improved by triple sealing of the valve core 21, the first sealing disc 22 and the second sealing disc 23, and the problems of water seepage and water leakage are avoided.

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

Claims

1. The utility model provides an anti-seepage fire hydrant, includes fire hydrant body (1) and valve rod (2), be equipped with delivery port (11) that quantity is 1 at least on fire hydrant body (1), valve rod (2) with fire hydrant body (1) constitutes the screw pair, valve rod (2) bottom is equipped with case (21), its characterized in that:

a first sealing disc (22) and a second sealing disc (23) are sequentially arranged at the bottom of the valve rod (2), the bottom end of the first sealing disc (22) is connected with the second sealing disc (23) through a telescopic rod (24), the bottom end of the second sealing disc (23) is connected with the valve core (21) through the telescopic rod (24), and a spring (25) is sleeved on the telescopic rod (24);

still include seal receptacle (3), seal receptacle (3) are located bottom in fire hydrant body (1), seal receptacle (3) with first sealed dish (22) the second sealed dish (23) with case (21) match.

2. An impermeable fire hydrant according to claim 1 in which: first sealed dish (22) second sealed dish (23) with seal receptacle (3) contact surface all is equipped with cyclic annular lug (26), seal receptacle (3) with first sealed dish (22) second sealed dish (23) contact surface is equipped with cyclic annular sunken (31), cyclic annular lug (26) with cyclic annular sunken (31) match.

3. An impermeable fire hydrant according to claim 1 in which: the number of the water outlets (11) is 2.

4. An impermeable fire hydrant according to claim 1 in which: the center of the bottom end of the first sealing disc (22) is connected with the center of the second sealing disc (23) through a telescopic rod (24).

5. An impermeable fire hydrant according to claim 1 in which: the center of the bottom end of the second sealing disc (23) is connected with the top end of the valve core (21) through a telescopic rod (24).