Safe anti-freezing device for outdoor fire hydrant

By using an outer casing and insulation cotton on the outside of the fire hydrant, the problem of outdoor fire hydrants freezing at low temperatures was solved, achieving the effect of preventing deformation and ensuring usability.

CN223880441UActive Publication Date: 2026-02-06民权县消防安全检查指导中心
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Patent Information

Application Number
CN202422980827.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-04
Publication Date
2026-02-06
Estimated Expiration
2034-12-04

AI Technical Summary

Technical Problem

Outdoor fire hydrants are prone to freezing and expansion when temperatures drop in winter, leading to deformation and damage, and rendering them unusable in the event of a fire, posing a safety hazard.

Method used

A safety antifreeze device was designed, comprising an outer shell, a sealing cover, insulation cotton, and a fixing mechanism. The outer shell is fitted onto the outside of the fire hydrant, and the insulation cotton and the limiting mechanism prevent ice formation, making it easy to disassemble and use.

Benefits of technology

It effectively prevents fire hydrants from freezing, extends their service life, eliminates safety hazards, and ensures normal use during a fire.

✦ Generated by Eureka AI based on patent content.

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Abstract

The safety anti-freezing device for the outdoor fire hydrant comprises an outer shell and a sealing cover, heat preservation cotton is fixedly arranged on the inner side of the outer shell in an adhesive mode, an extension pipe is fixedly arranged on one side of the outer shell in an embedded mode, and heat preservation cotton is fixedly arranged on the inner side of the extension pipe in an adhesive mode. A fixing mechanism for conveniently fixing the adjacent outer shells is arranged between the outer shells, arc-shaped blocks are fixedly arranged at the top ends of the outer shells, a limiting mechanism for conveniently limiting the position of the sealing cover is arranged between the outer shells and the sealing cover, and the fixing mechanism comprises a screw rod, a screw hole and an extending block. The outer shells are connected to the outer side of the fire hydrant in a sleeving mode, the protruding position of the outer side of the fire hydrant extends into the extending pipe, the arc-shaped blocks are located at the top end of the fire hydrant after being spliced, meanwhile, the adjacent extending blocks are spliced mutually, then the screws penetrate through the screw holes, the adjacent outer shells are fixed mutually, and heat preservation work can be conducted through the heat preservation cotton; the fire hydrant is prevented from freezing.
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Description

TECHNICAL FIELD

[0001] The utility model relates to fire fighting equipment field, concretely is a kind of safety anti-freezing device for outdoor fire hydrant. BACKGROUND

[0002] Fire hydrant, formal name is fire hydrant, is a fixed fire-fighting equipment;Its main role is control combustible, insulate fire and eliminate ignition source, is one of important fire-fighting equipment for fire fighting.

[0003] Fire hydrant is in outdoor, due to winter temperature reduction, internal water source can freeze and expand, prone to fire hydrant deformation, cause damage, reduce the service life of fire hydrant, simultaneously, if fire after freezing, fire hydrant is in unusable state at this time, with certain security risk, so there is an urgent need for a device to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of safety anti-freezing device for outdoor fire hydrant to solve the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of safety anti-freezing device for outdoor fire hydrant, including shell body and sealing cover, the shell body inner side is adhesively fixed and is provided with thermal insulation cotton, the shell body one side is inlaid and fixed and is provided with extension pipe, the extension pipe inner side is adhesively fixed and is provided with thermal insulation cotton, the shell body is provided with the fixed mechanism of being convenient for fixed adjacent shell body between, the shell body top is fixed and is provided with arc block, the shell body with sealing cover is provided with the limiting mechanism of being convenient for limiting the position of sealing cover between, the fixed mechanism includes screw rod, screw hole and extension block, the extension block is fixed in shell body outer side, the extension block is provided with several, is fixed in the position of shell body two sides symmetry, the screw hole is opened in the center position of extension block, the screw rod is passed through screw hole by thread, when using, fire hydrant is sleeved in the outer side of fire hydrant, so that the convex position of fire hydrant outer side extends to the inside of extension pipe, and arc block is spliced and located at the top of fire hydrant, simultaneously, adjacent extension block is mutually spliced, then by screw rod passes through screw hole position, so that adjacent shell body is mutually fixed, can be kept warm by thermal insulation cotton, prevent fire hydrant from freezing.

[0006] Preferably, the limiting mechanism comprises a limiting hole, a limiting rod, a spring and an operating block, the limiting hole is arranged on the outer side of the extension pipe and the arc-shaped block, the limiting hole is symmetrically arranged on both sides of the extension pipe, the limiting rod is movably arranged on the outer side of the sealing cover, the operating block is fixed on one side of the limiting rod, and the spring is fixed on the outer side of the sealing cover and the operating block, in use, the limiting rod is moved through the operating block, the spring is stretched, then the sealing cover is sequentially sleeved on the outer side of the extension block and the arc-shaped block, then the operating block is loosened, the limiting rod is reset and inserted into the limiting hole under the driving of the spring, so that the position of the sealing cover is fixed, and the sealing cover can be disassembled when needed.

[0007] Preferably, the shell is provided with two, which are symmetrically arranged on both sides of the fire hydrant.

[0008] Preferably, the two arc-shaped blocks are spliced into a ring shape.

[0009] Preferably, the limiting rod is provided with two, which are symmetrically arranged on both sides of the sealing cover.

[0010] Preferably, the inner side of the sealing cover is adhesively fixed with thermal insulation cotton.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1、The shell is sleeved on the outer side of the fire hydrant, so that the protruding position of the outer side of the fire hydrant extends to the inside of the extension pipe, and the arc-shaped blocks are located at the top end of the fire hydrant after splicing, and the adjacent extension blocks are spliced with each other, then the adjacent shells are fixed through the screw rod passing through the screw hole position, and the thermal insulation work can be carried out through the thermal insulation cotton, so that the fire hydrant is prevented from icing.

[0013] 2、The limiting rod is moved through the operating block, so that the spring is stretched, then the sealing cover is sequentially sleeved on the outer side of the extension block and the arc-shaped block, then the operating block is loosened, the limiting rod is reset and inserted into the limiting hole under the driving of the spring, so that the position of the sealing cover is fixed, and the sealing cover can be disassembled when needed. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a whole structure schematic view of the utility model of a safety anti-freezing device for an outdoor fire hydrant.

[0015] Fig. 2 It is a first sectional view of the utility model of a safety anti-freezing device for an outdoor fire hydrant.

[0016] Fig. 3 It is a second sectional view of the utility model of a safety anti-freezing device for an outdoor fire hydrant.

[0017] In the figure: 1, the outer shell; 2, sealing cover; 3, extension pipe; 4, extension block; 5, screw hole; 6, screw; 7, arc block; 8, thermal cotton; 9, limiting hole; 10, limiting rod; 11, operating block; 12, spring. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0019] Please refer to Figs. 1-3 The utility model provides a kind of safety anti-freezing device for outdoor hydrant, including outer shell 1 and sealing cover 2, thermal cotton 8 is adhesively fixed in the inside of outer shell 1, extension pipe 3 is embedded and fixed with one side of outer shell 1, thermal cotton 8 is adhesively fixed in the inside of extension pipe 3, outer shell 1 has two, symmetric at hydrant both sides, there is fixed mechanism between outer shell 1 for facilitating the fixation of adjacent outer shell 1, arc block 7 is welded and fixed with the top of outer shell 1, two arc blocks 7 are spliced into annular, there is limiting mechanism between outer shell 1 and sealing cover 2 for facilitating the position of sealing cover 2 is limited, fixed mechanism includes screw 6, screw hole 5 and extension block 4, extension block 4 is welded and fixed on the outside of outer shell 1, extension block 4 has several, symmetrically fixed in the position of the both sides of outer shell 1, screw hole 5 is arranged in the center position of extension block 4, screw 6 is passed through screw hole 5 by thread, when using, outer shell 1 is sleeved in the outside of hydrant, so that the protruding position of the outside of hydrant extends to the inside of extension pipe 3, and arc block 7 is spliced and located in the top of hydrant, while adjacent extension block 4 is spliced mutually, then pass through the position of screw hole 5 by screw 6, so that adjacent outer shell 1 is fixed mutually, can be kept warm by thermal cotton 8, prevent hydrant from icing.

[0020] Limiting mechanism includes limiting hole 9, limiting rod 10, spring 12 and operating block 11, limiting hole 9 is arranged in the outside of extension pipe 3 and arc block 7, limiting hole 9 is symmetrically arranged in the both sides of extension pipe 3, limiting rod 10 is movably inserted in the outside of sealing cover 2, limiting rod 10 has two, symmetrically in the both sides of sealing cover 2, operating block 11 is welded and fixed on one side of limiting rod 10, spring 12 is welded and fixed on the outside of operating block 11 and sealing cover 2, thermal cotton 8 is adhesively fixed in the inside of sealing cover 2, when using, limiting rod 10 is moved by operating block 11, so that spring 12 is stretched, then sealing cover 2 is sequentially sleeved in the outside of extension block 3 and arc block 7, then release operating block 11, spring 12 drives limiting rod 10 to reset and pass into the inside of limiting hole 9, so as to fix the position of sealing cover 2, can be disassembled when using.

[0021] Working principle: in use, the outer shell 1 is sleeved outside the fire hydrant, so that the fire hydrant extends to the inside of the extension pipe 3, and the arc block 7 is spliced to the top of the fire hydrant, and the adjacent extension blocks 4 are spliced together, then the screw rod 6 is inserted into the screw hole 5, so that the adjacent outer shells 1 are fixed, and the heat preservation work can be carried out through the heat preservation cotton 8, so as to prevent the fire hydrant from freezing; in use, the limiting rod 10 is moved by the operating block 11, so that the spring 12 is stretched, then the sealing cover 2 is sleeved outside the extension block 3 and the arc block 7, then the operating block 11 is loosened, the limiting rod 10 is reset and inserted into the limiting hole 9, so as to fix the position of the sealing cover 2, and the sealing cover 2 can be removed when needed.

[0022] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0023] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A safety anti-freezing device for outdoor hydrant, comprising a housing (1) and a sealing cover (2), characterized in that: The outer shell (1) is provided with heat preservation cotton (8) on the inner side, and the outer shell (1) is provided with an extension pipe (3) on one side, the extension pipe (3) is provided with heat preservation cotton (8) on the inner side, and the outer shell (1) is provided with a fixing mechanism for fixing adjacent outer shells (1), the outer shell (1) is provided with an arc block (7) at the top end, the outer shell (1) and the sealing cover (2) are provided with a limiting mechanism for limiting the position of the sealing cover (2), the fixing mechanism comprises a screw rod (6), a screw hole (5) and an extension block (4), the extension block (4) is fixed on the outer side of the outer shell (1), the extension block (4) is provided with a plurality of extension blocks (4), which are symmetrically fixed on the two sides of the outer shell (1), the screw hole (5) is arranged at the center of the extension block (4), and the screw rod (6) penetrates the screw hole (5) through the thread.

2. The outdoor hydrant safety freeze protection device of claim 1, wherein: The limiting mechanism comprises a limiting hole (9), a limiting rod (10), a spring (12) and an operating block (11), the limiting hole (9) is arranged on the outer side of the extension pipe (3) and the arc block (7), the limiting hole (9) is symmetrically arranged on the two sides of the extension pipe (3), the limiting rod (10) is movably arranged on the outer side of the sealing cover (2), the operating block (11) is fixed on one side of the limiting rod (10), and the spring (12) is fixed on the outer side of the operating block (11) and the sealing cover (2).

3. The outdoor hydrant safety freeze protection device of claim 2, wherein: The outer shell (1) is provided with two, which are symmetrically arranged on the two sides of the fire hydrant.

4. The outdoor hydrant safety freeze protection device of claim 3, wherein: The two arc blocks (7) are spliced into a ring.

5. The freeze protection apparatus for an outdoor hydrant of claim 4, wherein: The limiting rod (10) is provided with two, which are symmetrically arranged on the two sides of the sealing cover (2).

6. The freeze protection apparatus for an outdoor hydrant of claim 5, wherein: The sealing cover (2) is provided with heat preservation cotton (8) on the inner side.