Sealing structure of fire sprinkler

By designing a fire sprinkler head structure with a sealing ring and fixing mechanism, the problems of easy wear and unstable installation of sealing components are solved, achieving good sealing performance and stability, and improving the service life and fire extinguishing efficiency of the fire sprinkler head.

CN224099885UActive Publication Date: 2026-04-10ZHUJI JINRUINING FIRE FIGHTING EQUIPMENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-29
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The sealing components of existing fire sprinklers are prone to aging and wear, resulting in decreased sealing performance and insecure installation, which affects the accuracy of water spraying and fire extinguishing efficiency.

Method used

A fire sprinkler head structure including a sealing mechanism and a fixing mechanism was designed. The sealing mechanism consists of a sealing ring, a clamping plate, and a locking ring, while the fixing mechanism consists of a fixing plate, a support arm, and a mounting base. Through the cooperation of these components, the sealing performance and stability are improved.

Benefits of technology

It improves the sealing performance and installation stability of fire sprinklers, prevents water leakage, ensures accurate water spraying, extends service life, and reduces maintenance costs.

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Abstract

The sealing structure comprises an adapting pipe, one end of the adapting pipe is fixedly connected with an installation disc, an anti-skid sleeve is fixedly installed on the outer surface of the installation disc, a threaded connector is fixedly connected to the top end of the installation disc, the interior of the adapting pipe is connected with a connecting pipe in a threaded mode, and the connecting pipe is connected with the connecting pipe in a threaded mode. A glass column is fixedly connected to the interior of the connecting pipe, a sealing plug is fixedly installed at one end of the glass column, a spray head is movably connected to one end of the sealing plug, a sealing mechanism is arranged on the outer surface of the connecting pipe, and a fixing mechanism is arranged on the outer surface of the spray head. According to the sealing mechanism, the first sealing ring, the second sealing ring and the enclasping piece in the sealing mechanism are tightly attached to the connecting portion of the connecting pipe and the adapting pipe, the locking ring is further shrunk and enclasped through the locking screw, water leakage is effectively prevented, the sealing effect of the fire sprinkler in the working process is guaranteed, and normal operation of a fire extinguishing system is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bearing technical field, specifically is a sealing structure of fire sprinkler. BACKGROUND

[0002] Fire sprinkler is used for fire sprinkler system, when the fire breaks out, the heat -sensitive glass ball in the sprinkler bursts, and the water is splashed out through the sprinkler head splash tray and extinguishes the fire, and at present is divided into the down type sprinkler, the upright type sprinkler, the ordinary type sprinkler, the side wall type sprinkler etc.

[0003] The fire sprinkler on the market at present generally has the following problems:

[0004] On the one hand, in the long-term use, the sealing component is easy to cause the sealing performance to drop due to aging, abrasion etc.

[0005] On the other hand, the sealing structure lacks the effective fixation of the sprinkler in the installation process. In some environments with greater vibration, the fire sprinkler is easy to loosen due to vibration, so that the cooperation between the sealing component and the sprinkler changes, further reduces the sealing effect, in addition, when the emergency such as fire occurs, due to the sprinkler is not fixed firmly, can cause the displacement of the sprinkler in the water spraying process, influence the accuracy and coverage of water spraying, reduce the fire extinguishing efficiency.

[0006] In order to solve the above problems, the utility model provides a novel fire sprinkler design, has better wear resistance, lubricating effect and sealing performance, thereby effectively prolongs the service life of the sprinkler, reduces the maintenance cost. UTILITY MODEL CONTENTS

[0007] In view of the above insufficient of prior art, the utility model aims at providing a fire sprinkler with good sealing and fixing effect.

[0008] The utility model discloses the technical scheme adopted for realizing the above-mentioned purpose is: a sealing structure of fire sprinkler, including the pipe, the one end of pipe is fixedly connected with the mounting disc, the outer surface of mounting disc is fixedly installed with the antiskid sleeve, and is located the top fixed connection of mounting disc with the threaded joint, the inside screwing of pipe is connected with the connecting pipe, the inside fixed connection of connecting pipe is with glass column, one end of glass column is fixedly installed with the sealing plug, one end of sealing plug is movably connected with the sprinkler, the outer surface of connecting pipe is provided with sealing mechanism, the outer surface of sprinkler is provided with fixed mechanism.

[0009] In the above technical scheme, the outer surface of the receiving pipe is provided with a protective plate, the upper surface of the protective plate is fixedly connected with a mounting lug plate, the inner surface of the mounting lug plate is threadedly connected with a limiting screw rod, and the inner side surface of the protective plate is fixedly connected with a protective sleeve, and the protective sleeve is sleeved on the outer surface of the receiving pipe.

[0010] In the above technical scheme, the sealing mechanism comprises a sealing ring I sleeved on the outer surface of the connecting pipe, the inner side surface of the sealing ring I is fixedly connected with a clamping piece, and one end of the clamping piece is fixedly installed with a sealing ring II.

[0011] In the above technical scheme, the outer surface of the clamping piece is provided with a locking ring, the two ends of the locking ring are fixedly installed with a limiting plate, and the inner surface of the limiting plate is threadedly connected with a locking screw rod.

[0012] In the above technical scheme, the fixing mechanism comprises a fixing disc fixedly installed at one end of the sealing plug, the one side surface of the fixing disc is fixedly installed with a sealing sleeve, and the surface of the fixing disc is provided with a plurality of installation grooves, and the inside of the installation grooves is movably connected with a supporting arm.

[0013] In the above technical scheme, the outer surface is sleeved with a fixing ring, the outer wall surface of the fixing ring is fixedly installed with a mounting seat, the inside of the mounting seat is threadedly connected with a mounting screw rod, and the surface of the mounting screw rod is threadedly connected with the inside of the supporting arm.

[0014] The beneficial effects of the present application are as follows:

[0015] 1. Good sealing performance: the sealing ring I, the sealing ring II and the clamping piece in the sealing mechanism are tightly connected with the connecting part of the connecting pipe and the receiving pipe, the locking ring is further contracted by the locking screw rod, water leakage is effectively prevented, the sealing effect of the fire sprinkler during work is ensured, and the normal operation of the fire protection system is ensured.

[0016] 2. Good fixing effect: the fixing mechanism cooperates with the fixing disc, the supporting arm, the fixing ring, the mounting seat and the mounting screw rod and the like to firmly fix the sprinkler on the sealing plug, prevents the sprinkler from loosening during use, improves the stability of the fire sprinkler during work, enables the sprinkler to more accurately spray water, and improves the fire extinguishing efficiency.

[0017] In summary, the sealing structure of the fire sprinkler has excellent wear resistance, good lubricity and sealing performance, the structure design is reasonable, the working efficiency and service life of the bearing can be effectively improved, and strong guarantee is provided for long-term stable operation of the automobile. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic view of the fire sprinkler structure of the present application;

[0019] Figure 2 is a three-dimensional schematic view of the protective plate structure of the utility model;

[0020] Figure 3 is a three-dimensional schematic view of the sealing mechanism structure of the utility model;

[0021] Figure 4 is a three-dimensional schematic view of the fixing mechanism structure of the utility model.

[0022] In the drawing: 1, receiving pipe; 11, connecting pipe; 12, glass column; 13, sealing plug; 14, spray head; 15, protective plate; 16, mounting lug plate; 17, limiting screw; 18, protective sleeve; 2, fixing disc; 3, anti-skid sleeve; 4, threaded joint; 5, sealing mechanism; 51, sealing ring one; 52, clamping piece; 53, sealing ring two; 54, locking ring; 55, limiting plate; 56, locking screw; 6, fixing mechanism; 61, fixing disc; 62, sealing sleeve; 63, supporting arm; 64, fixing ring; 65, mounting seat. DETAILED DESCRIPTION

[0023] 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.

[0024] Please refer to Figures 1-4 A sealing structure of a fire-fighting spray head, including receiving pipe 1, one end of receiving pipe 1 is fixedly connected with mounting disc 2, the outer surface of mounting disc 2 is fixedly installed with anti-skid sleeve 3, and threaded joint 4 is fixedly connected at the top of mounting disc 2, the inside of receiving pipe 1 is threadedly connected with connecting pipe 11, the inside of connecting pipe 11 is fixedly connected with glass column 12, one end of glass column 12 is fixedly installed with sealing plug 13, one end of sealing plug 13 is movably connected with spray head 14, the outer surface of connecting pipe 11 is provided with sealing mechanism 5, the outer surface of spray head 14 is provided with fixing mechanism 6, the outer surface of receiving pipe 1 is provided with protective plate 15, the upper surface of protective plate 15 is fixedly connected with mounting lug plate 16, the inner surface of mounting lug plate 16 is threadedly connected with limiting screw 17, and protective sleeve 18 is fixedly connected at the inner side surface of protective plate 15, protective sleeve 18 is sleeved on the outer surface of receiving pipe 1, anti-skid sleeve 3 is fixedly installed on the outer surface of mounting disc 2, which is convenient for operating personnel to install and disassemble, threaded joint 4 is fixedly connected at the top of mounting disc 2, which is used for connecting fire-fighting pipeline equipment, and protective plate 15 and protective sleeve 18 can protect receiving pipe 1 and prolong its service life.

[0025] In the above technical scheme, the sealing mechanism 5 comprises a sealing ring one 51 sleeved on the outer surface of the connecting pipe 11, the inner side surface of the sealing ring one 51 is fixedly connected with a clamping piece 52, one end of the clamping piece 52 is fixedly installed with a sealing ring two 53, the outer surface of the clamping piece 52 is provided with a locking ring 54, the two ends of the locking ring 54 are fixedly installed with a limiting plate 55, the inner surface of the limiting plate 55 is threadedly connected with a locking screw 56, in the installation process, the sealing ring one 51 and the sealing ring two 53 can be tightly connected with the connecting part of the connecting pipe 11 and the receiving pipe 1, the clamping piece 52 has a certain elasticity, can better adapt to different pipe diameters, improve the sealing effect, by tightening the locking screw 56, the locking ring 54 can be contracted, further clamping the connecting pipe 11, enhancing the sealing performance, preventing the phenomenon of water leakage.

[0026] In the above technical scheme, the fixing mechanism 6 comprises a fixing disc 61 fixedly installed at one end of the sealing plug 13, the side surface of the fixing disc 61 is fixedly installed with a sealing sleeve 62, and the surface of the fixing disc 61 is provided with a plurality of installation grooves, the inside of the installation grooves is movably connected with a supporting arm 63, the outer surface of the nozzle 14 is sleeved with a fixing ring 64, the outer wall surface of the fixing ring 64 is fixedly installed with a mounting seat 65, the inside of the mounting seat 65 is threadedly connected with a mounting screw, the surface of the mounting screw is threadedly connected with the inside of the supporting arm 63, when the nozzle 14 is installed, the supporting arm 63 is inserted into the installation groove of the fixing disc 61, then the supporting arm 63 is connected with the mounting seat 65 on the fixing ring 64 through the mounting screw, so that the nozzle 14 can be fixed on the sealing plug 13 firmly, effectively preventing the nozzle 14 from loosening in the use process, ensuring the stability and reliability of the fire nozzle.

[0027] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0028] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A seal structure for a fire sprinkler head comprising a deflector (1), characterised in that: One end of the adapter pipe (1) is fixedly connected with a mounting disc (2), an anti-skid sleeve (3) is fixedly installed on the outer surface of the mounting disc (2), a threaded joint (4) is fixedly connected to the top end of the mounting disc (2), a connecting pipe (11) is threadedly connected to the inside of the adapter pipe (1), a glass column (12) is fixedly connected to the inside of the connecting pipe (11), a sealing plug (13) is fixedly installed on one end of the glass column (12), a spray head (14) is movably connected to one end of the sealing plug (13), a sealing mechanism (5) is arranged on the outer surface of the connecting pipe (11), and a fixing mechanism (6) is arranged on the outer surface of the spray head (14).

2. A seal for a fire sprinkler head as defined in claim 1, wherein: The outer surface of the adapter pipe (1) is provided with a protective plate (15), the upper surface of the protective plate (15) is fixedly connected with a mounting lug plate (16), the inner surface of the mounting lug plate (16) is threadedly connected with a limiting screw (17), and the inner surface of the protective plate (15) is fixedly connected with a protective sleeve (18), and the protective sleeve (18) is sleeved on the outer surface of the adapter pipe (1).

3. The seal structure for a fire sprinkler head of claim 1, wherein: The sealing mechanism (5) comprises a sealing ring one (51) sleeved on the outer surface of the connecting pipe (11), the inner surface of the sealing ring one (51) is fixedly connected with a clamping piece (52), one end of the clamping piece (52) is fixedly installed with a sealing ring two (53); the outer surface of the clamping piece (52) is provided with a locking ring (54), the two ends of the locking ring (54) are fixedly installed with a limiting plate (55), and the inner surface of the limiting plate (55) is threadedly connected with a locking screw (56).

4. The seal structure for a fire sprinkler head of claim 1, wherein: The fixing mechanism (6) comprises a fixing disc (61) fixedly installed on one end of the sealing plug (13), the one side surface of the fixing disc (61) is fixedly installed with a sealing sleeve (62), and a plurality of mounting grooves are formed in the surface of the fixing disc (61), and the inside of the mounting grooves is movably connected with a supporting arm (63).

5. A seal for a fire sprinkler head as defined in claim 4, wherein: The outer surface of the spray head (14) is sleeved with a fixing ring (64), the outer wall surface of the fixing ring (64) is fixedly installed with a mounting seat (65), the inside of the mounting seat (65) is threadedly connected with a mounting screw, and the surface of the mounting screw is threadedly connected with the inside of the supporting arm (63).