Fire hydrant drainage sealing structure
By designing a fire hydrant drainage sealing structure including fluorocarbon rubber sealing gasket, slot, bracket, spring and reserved slot, the problem of the fire hydrant drainage pipe not being tightly connected to the external pipeline is solved, and efficient sealing effect and durability are achieved.
Patent Information
- Application Number
- CN202420647495.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-04-01
AI Technical Summary
The fire hydrant drain pipe lacks a sealing mechanism, which leads to inconsistency between the external pipes, causing water leakage and affecting the convenience of use.
A fire hydrant drainage sealing structure is designed, including fire hydrant drain pipe, fluorocarbon rubber sealing gasket, slot, bracket, spring and reserved groove. Through the combination of these components, the sealing gasket is closely fitted with the external pipe and improve the sealing performance at the connection.
It effectively improves the sealing properties at the connection, prevents water leakage, improves the convenience of use, and improves the wear resistance and corrosion resistance of the sealing gasket through the protective layer, extending its service life.
Smart Images
Figure CN222577568U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fire hydrants, in particular to a fire hydrant drainage sealing structure. Background Art
[0002] A fire hydrant is a fixed fire-fighting facility. Its main function is to control combustibles, isolate combustibles, and eliminate ignition sources. It is divided into indoor fire hydrants and outdoor fire hydrants. Fire hydrants need to be connected to external pipes for use. However, due to the lack of a sealing mechanism in the fire hydrant drainage pipe, the connection with the external pipe is not tight, resulting in water leakage at the connection, which brings inconvenience to people's use. For this reason, we propose a fire hydrant drainage sealing structure. Utility Model Content
[0003] The purpose of the utility model is to provide a fire hydrant drainage sealing structure to solve the problems raised in the above background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fire hydrant drainage sealing structure, including a fire hydrant drainage pipe, a card slot is opened on the right side of the fire hydrant drainage pipe, and a reserved slot and a limit hole are opened in the inner cavity of the fire hydrant drainage pipe and on the left side of the card slot, a spring is fixedly connected to the inner cavity of the reserved slot, and a bracket is fixedly connected to the end of the spring, a fluorocarbon rubber sealing gasket is fixedly connected to the end of the bracket, a protective layer is arranged on the outer side of the fluorocarbon rubber sealing gasket, and the protective layer includes a highly chlorinated polyethylene coating and an aluminum oxide coating.
[0005] Preferably, the right sides of the reserved groove and the limiting hole are in contact with the left side of the card slot, and the number of the reserved grooves and the limiting holes are multiple, and the distance between every two adjacent reserved grooves and between every two adjacent limiting holes are the same.
[0006] Preferably, a limiting rod is fixedly connected to the left side of the fluorocarbon rubber sealing pad and located at a corresponding position of the limiting hole, and the limiting rod is inserted into the inner cavity of the limiting hole.
[0007] Preferably, the high-chlorinated polyethylene coating is coated on the outside of the fluorocarbon rubber sealing gasket, and the aluminum oxide coating is coated on the outside of the high-chlorinated polyethylene coating.
[0008] Preferably, the thickness of the high chlorinated polyethylene coating and the aluminum oxide coating is the same, and the thickness of the aluminum oxide coating is 200 to 300 microns.
[0009] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0010] The utility model is provided with a fluorocarbon rubber sealing gasket, which can seal the connection, and is provided with a card slot, a bracket, a spring and a reserved slot, which can always make the fluorocarbon rubber sealing gasket fit tightly with the external pipe, thereby effectively improving the sealing of the connection, and is provided with a protective layer, the aluminum oxide coating of which can improve the overall wear resistance of the fluorocarbon rubber sealing gasket, and the high-chlorinated polyethylene coating can perform corrosion-resistant protection treatment on the fluorocarbon rubber sealing gasket, thereby effectively improving the service life of the fluorocarbon rubber sealing gasket. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the structure of the utility model;
[0012] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;
[0013] Figure 3 This is a schematic diagram of the protective layer structure of the utility model.
[0014] In the figure: a fire hydrant drain pipe 1, a fluorocarbon rubber sealing pad 2, a limit hole 3, a limit rod 4, a slot 5, a bracket 6, a spring 7, a reserved slot 8, a protective layer 9, a high chlorinated polyethylene coating 91, and an alumina coating 92. DETAILED DESCRIPTION
[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0016] The fire hydrant drain pipe 1, fluorocarbon rubber sealing gasket 2, limit hole 3, limit rod 4, slot 5, bracket 6, spring 7, reserved slot 8, protective layer 9, high chlorinated polyethylene coating 91 and aluminum oxide coating 92 components of the present application are all universal standard parts or components known to technical personnel in this field, and their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods.
[0017] See also Figure 1-Figure 3A fire hydrant drainage sealing structure includes a fire hydrant drainage pipe 1, a card slot 5 is opened on the right side of the fire hydrant drainage pipe 1, a reserved slot 8 and a limiting hole 3 are opened in the inner cavity of the fire hydrant drainage pipe 1 and located on the left side of the card slot 5, a spring 7 is fixedly connected to the inner cavity of the reserved slot 8, and the end of the spring 7 is fixedly connected to a bracket 6, which can always make a fluorocarbon rubber sealing gasket 2 fit tightly with an external pipe, thereby effectively improving the sealing of the connection, the end of the bracket 6 is fixedly connected to the fluorocarbon rubber sealing gasket 2, which can seal the connection, a protective layer 9 is arranged on the outer side of the fluorocarbon rubber sealing gasket 2, and the protective layer 9 includes a high chlorinated polyethylene coating 91 and an aluminum oxide coating 92, the aluminum oxide coating 92 can improve the overall wear resistance of the fluorocarbon rubber sealing gasket 2, and the high chlorinated polyethylene coating 91 can perform corrosion protection treatment on the fluorocarbon rubber sealing gasket 2, thereby effectively improving the service life of the fluorocarbon rubber sealing gasket 2.
[0018] The right sides of the reserved groove 8 and the limiting hole 3 are in contact with the left side of the card slot 5, and the number of the reserved groove 8 and the limiting hole 3 are both multiple, the distance between every two adjacent reserved grooves 8 and the distance between every two adjacent limiting holes 3 are the same, and the limiting rod 4 is fixedly connected to the left side of the fluorocarbon rubber sealing gasket 2 and located at the corresponding position of the limiting hole 3, and the limiting rod 4 is inserted into the inner cavity of the limiting hole 3, the high chlorinated polyethylene coating 91 is coated on the outside of the fluorocarbon rubber sealing gasket 2, and the aluminum oxide coating 92 is coated on the outside of the high chlorinated polyethylene coating 91, the thickness of the high chlorinated polyethylene coating 91 and the aluminum oxide coating 92 are the same, and the thickness of the aluminum oxide coating 92 is two hundred to three hundred microns.
[0019] When in use, a fluorocarbon rubber sealing gasket 2 is provided to seal the connection, a card slot 5, a bracket 6, a spring 7 and a reserved slot 8 are provided to always keep the fluorocarbon rubber sealing gasket 2 in close contact with the external pipe, thereby effectively improving the sealing of the connection, a protective layer 9 is provided, and the aluminum oxide coating 92 included therein can improve the overall wear resistance of the fluorocarbon rubber sealing gasket 2, and the high-chlorinated polyethylene coating 91 can perform corrosion-resistant protection treatment on the fluorocarbon rubber sealing gasket 2, thereby effectively improving the service life of the fluorocarbon rubber sealing gasket 2.
[0020] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A fire hydrant drainage sealing structure, comprising a fire hydrant drainage pipe (1), characterized in that: The right side of the fire hydrant drainage pipe (1) is provided with a slot (5), the inner cavity of the fire hydrant drainage pipe (1) and located on the left side of the slot (5) are provided with a reserved slot (8) and a limit hole (3), the inner cavity of the reserved slot (8) is fixedly connected to a spring (7), and the end of the spring (7) is fixedly connected to a bracket (6), the end of the bracket (6) is fixedly connected to a fluorocarbon rubber sealing pad (2), and a protective layer (9) is provided on the outer side of the fluorocarbon rubber sealing pad (2), and the protective layer (9) includes a high-chlorinated polyethylene coating (91) and an aluminum oxide coating (92).
2. A fire hydrant drainage sealing structure according to claim 1, characterized in that: The right sides of the reserved groove (8) and the limiting hole (3) are in contact with the left side of the card slot (5), and the number of the reserved grooves (8) and the limiting holes (3) are both multiple, and the distance between every two adjacent reserved grooves (8) and every two adjacent limiting holes (3) are the same.
3. A fire hydrant drainage sealing structure according to claim 1, characterized in that: A limiting rod (4) is fixedly connected to the left side of the fluorocarbon rubber sealing pad (2) and located at a corresponding position of the limiting hole (3), and the limiting rod (4) is inserted into the inner cavity of the limiting hole (3).
4. A fire hydrant drainage sealing structure according to claim 1, characterized in that: The highly chlorinated polyethylene coating (91) is coated on the outer side of the fluorocarbon rubber sealing gasket (2), and the aluminum oxide coating (92) is coated on the outer side of the highly chlorinated polyethylene coating (91).
5. A fire hydrant drainage sealing structure according to claim 1, characterized in that: The thickness of the high chlorinated polyethylene coating (91) and the aluminum oxide coating (92) are the same, and the thickness of the aluminum oxide coating (92) is 200 to 300 microns.