CN213177032U

CN213177032U - Fire control stagnant water lamella

Info

Publication number: CN213177032U
Application number: CN202022038157.7U
Authority: CN
Inventors: 黄长太
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-05-11
Anticipated expiration: 2030-09-17

Abstract

The utility model provides a simple structure, leakproofness are good, low in manufacturing cost's a fire control stagnant water lamella, include the stagnant water lamella body through the integrative injection moulding of plastic or resin material, stagnant water lamella body includes check valve plate and integrated into one piece adapter sleeve on the check valve plate, be fixed with in the adapter sleeve and supply outside valve rod male metal covering, still be equipped with on the adapter sleeve and be used for fixing the fixing device in the metal covering with outside valve rod.

Description

Fire control stagnant water lamella

Technical Field

The utility model relates to a fire-fighting equipment technical field, in particular to fire control stagnant water lamella.

Background

The fire hydrant is a fire-fighting equipment necessary for cities and is widely distributed at each corner in a corridor. Fire hydrants are installed in various factories, mines, warehouses, yards, goods yards, high-rise buildings and public places.

As shown in fig. 1, a water stop flap 1 of an existing fire hydrant includes a water stop flap body 1', the water stop flap body 1' is cast and formed by iron, a socket channel 3 'for inserting an external valve rod is formed on the water stop flap body 1', a threaded hole 2 'is formed on the water stop flap body 1' corresponding to the socket channel, and a bolt for fixing the valve rod on the water stop flap body 1 'is arranged in the threaded hole 2'. Although the water stop valve can meet the use requirement, the water stop valve 1' is integrally formed by iron materials, so the water stop valve is high in manufacturing cost and can rub against a fire hydrant to cause abrasion, and the sealing performance is not good enough. And the material of iron soaks in the aquatic for a long time, rusts easily, not only can produce the filth that influences quality of water safety, can make the bolt of fixed valve rod drop moreover.

As shown in fig. 1, the check valve 2 of the existing fire hydrant comprises a water stop valve body 1', the water stop valve body 1' is integrally formed by plastic materials, a socket channel 3' for inserting an external valve rod is formed in the water stop valve body 1', a threaded hole 2' is formed in the water stop valve body 1' corresponding to the socket channel, and a bolt for fixing the valve rod on the water stop valve body is arranged in the threaded hole 2 '. Although the valve stem is made of phenolic resin, the valve stem is not firm enough when being connected with the valve stem, the rigidity of the water stop valve body 1' is not high enough, the water stop valve body 1' is easy to be twisted and damaged when the valve stem rotates, the threaded hole 2' is easy to be damaged by adopting bolt connection, and therefore the valve stem is smooth in tooth and short in service life.

The check valve 3 of the existing fire hydrant shown in fig. 2 comprises a water stop valve body 1', the water stop valve body 1' is cast and formed by iron materials, a socket channel 3' for inserting an external valve rod is arranged on the water stop valve body 1', a threaded hole 2' is also arranged on the water stop valve body 1' corresponding to the socket channel 3', a bolt for fixing the valve rod on the water stop valve body 1' is arranged in the threaded hole 2', and a phenolic resin 4' is also injection molded at the water stop end of the water stop valve body 1 '. Although it has the advantages of the

water stop flaps

1 and 2, there are still disadvantages. The water stop flap body 1'' is molded by cast iron and then injection molded or coated with a layer of phenolic resin, so that the manufacturing process is complex, the manufacturing cost is high, the product popularization is not facilitated, and the joint of the water stop flap body 1'' and the phenolic resin is not stable and firm enough and is easy to fall off.

SUMMERY OF THE UTILITY MODEL

Therefore, to foretell problem, the utility model provides a simple structure, leakproofness are good, low in manufacturing cost's a fire control stagnant water lamella.

In order to realize the above object, the technical scheme of the utility model is to provide a fire control stagnant water lamella is provided, include the stagnant water lamella body through the integrative injection moulding of plastic or resin material, stagnant water lamella body includes check valve plate and integrated into one piece adapter sleeve on the check valve plate, be fixed with in the adapter sleeve and supply outside valve rod male metal covering, still be equipped with on the adapter sleeve and be used for fixing the fixing device in the metal covering with outside valve rod.

The further improvement is that: the water stop valve body and the metal sleeve are integrally formed through injection molding.

The further improvement is that: the outer wall of the metal sleeve is provided with an anti-falling device for preventing the metal sleeve from falling off the water stop valve body.

The further improvement is that: the anti-drop device is as follows: the outer wall of the metal sleeve is provided with screw teeth.

The further improvement is that: the fixing device is as follows: and the connecting sleeve and the metal sleeve body are respectively and correspondingly provided with a threaded hole for screwing an external bolt into the metal sleeve.

The further improvement is that: and a sealing groove for placing a sealing ring is arranged in the inner wall of the metal sleeve.

The further improvement is that: the water stop valve body is made of phenolic resin or flame-retardant plastic.

The utility model has the advantages and the beneficial effects that:

1. simple structure, stagnant water lamella and metal covering are through the integrated into one piece that moulds plastics, and not only manufacturing process is simple, low in manufacturing cost, and what its two connected is more firm moreover. The metal sleeve is arranged in the connecting sleeve of the water stop valve, so that the metal sleeve is connected with the external valve rod, the rigidity of the joint of the metal sleeve is improved, the water stop valve cannot be damaged in the rotating process, the service life of the water stop valve is greatly prolonged, the water stop valve is more practical, and the popularization of products is facilitated. Meanwhile, the water stop flap body is made of phenolic resin or flame-retardant rubber, compared with the existing water stop flap body made of metal, the water stop flap body not only reduces the production cost, but also has good sealing performance, cannot be mutually abraded with a fire hydrant, further prolongs the service life of the water stop flap body, and cannot rust to generate pollutants which can damage the water quality. The phenolic resin or flame retardant rubber integrated water stop valve can prevent the fire hydrant from losing the water stop function due to the fact that the water stop valve is burnt at high temperature when a fire disaster happens, fire fighting is affected, and damage to the fire hydrant is avoided.

2. The anti-falling device can improve the firmness of the connection of the metal sleeve and the connecting sleeve, so that the metal pipe is better integrally formed on the water stop valve, and the metal sleeve is prevented from being separated from the water stop valve.

3. The sealing washer can be put into to the seal groove, and the sealing washer can make the valve rod tensioning in the metal covering, makes it be difficult for breaking away from the metal covering, has further improved its firm in connection nature, simultaneously, tensioning promptly when the valve rod inserts the metal covering, also conveniently assembles outside bolt lock into the screwed hole. The sealing ring can also prevent external fluid medium from flowing into the metal sleeve to corrode the external bolt, and prevent the external bolt from rusting and loosening.

Drawings

Fig. 1 is a schematic structural view of the conventional

water stop flaps

1 and 2 of this embodiment.

Fig. 2 is a schematic structural view of the conventional water stop flap 3 of this embodiment.

Fig. 3 is a schematic sectional view of the fire-fighting water stop flap according to this embodiment.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 3, a fire control water stopping valve, including the fashioned water stopping valve body 1 of adopting phenolic resin or fire-retardant rubber, water stopping valve body 1 includes check valve plate 11 and integrated into one piece adapter sleeve 111 on check valve plate 11, injection moulding integrated into one piece has the metal sleeve 2 that supplies outside valve rod male in adapter sleeve 111, correspond respectively on adapter sleeve 111 and the metal sleeve 2 body and offer the screw hole 5 that is used for fixing outside valve rod in metal sleeve 2 in supplying outside bolt screw in metal sleeve 2. Wherein, when will make the stagnant water lamella, put into the mould with metal covering 2, then mould plastics into with phenolic resin or fire-retardant rubber, make its integrated into one piece, not only manufacturing process is simple, low in manufacturing cost, and what its the two connected is more firm, metal covering 2 is established in the stagnant water lamella simultaneously, makes metal covering 2 be connected with the valve rod, has improved the rigidity of its junction, makes it can not rotate the in-process and damage, has improved its life greatly, makes it have more the practicality, more is favorable to the popularization of product. Meanwhile, the water stop flap body 1 is made of phenolic resin or flame-retardant rubber, so that the production cost is reduced, the water stop flap body has good sealing performance, cannot be mutually abraded with a fire hydrant, the service life of the water stop flap body is further prolonged, and the water stop flap body cannot rust to generate pollutants which can damage water quality. The phenolic resin or flame retardant rubber integrated water stop valve can prevent the fire hydrant from losing the water stop function due to the fact that the water stop valve is burnt at high temperature when a fire disaster happens, fire fighting is affected, and damage to the fire hydrant is avoided.

In order to improve the firmness of the connection between the metal sleeve 2 and the water stop valve body 1, the metal sleeve 2 is integrally formed on the water stop valve body better, the metal sleeve 2 is prevented from being separated from the water stop valve, and the outer wall of the metal sleeve 2 is provided with a thread 3 for preventing the metal sleeve from being separated from the water stop valve body 1.

In order to further prevent the external valve rod from separating from the metal sleeve 2, a sealing groove 4 for placing a sealing ring is arranged in the inner wall of the metal sleeve 2. The sealing washer can be put into to seal groove 4, and the sealing washer can make outside valve rod tensioning in metal covering 2, makes it be difficult for breaking away from metal covering 2, has further improved its firm in connection nature, simultaneously, tensioning promptly when outside valve rod inserts metal covering 2, also conveniently assembles outside bolt lock into threaded hole. The sealing ring can also prevent external fluid medium from flowing into the metal sleeve 2 to corrode the external bolt, so that the external bolt is prevented from rusting and loosening.

Having shown and described the basic principles and essential features of the invention and its advantages, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention, all of which are intended to be covered by the appended claims and their equivalents.

Claims

1. A fire control stagnant water lamella which characterized in that: including the stagnant water lamella body through the integrative injection moulding of plastic or resin material, stagnant water lamella body includes check valve plate and integrated into one piece adapter sleeve on the check valve plate, be fixed with in the adapter sleeve and supply outside valve rod male metal covering, still be equipped with on the adapter sleeve and be used for fixing the fixing device in the metal covering with outside valve rod.

2. A fire protection waterstop flap according to claim 1, wherein: the water stop valve body and the metal sleeve are integrally formed through injection molding.

3. A fire fighting water stop flap according to claim 1 or 2, characterized in that: the outer wall of the metal sleeve is provided with an anti-falling device for preventing the metal sleeve from falling off the water stop valve body.

4. A fire protection waterstop flap according to claim 3, wherein: the anti-drop device is as follows: the outer wall of the metal sleeve is provided with screw teeth.

5. A fire protection waterstop flap according to claim 1, wherein: the fixing device is as follows: and the connecting sleeve and the metal sleeve body are respectively and correspondingly provided with a threaded hole for screwing an external bolt into the metal sleeve.

6. A fire protection waterstop flap according to claim 1, wherein: and a sealing groove for placing a sealing ring is arranged in the inner wall of the metal sleeve.

7. A fire protection waterstop flap according to claim 1, wherein: the water stop valve body is made of phenolic resin or flame-retardant plastic.