Stainless steel hose for fire-fighting spraying
By introducing structures such as protective shells, limit tubes and clamping components into the fire sprinkler system hose, combined with components such as limit frames, extrusion grooves and extrusion springs, the problems of poor sealing and easy leakage are solved, the stability and corrosion resistance of the system are improved, and it is suitable for various environments.
Patent Information
- Application Number
- CN202422584273.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-25
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-10-25
AI Technical Summary
Existing fire sprinkler system hoses have poor sealing performance under high-frequency use or vibration environments, are prone to leakage, and lack effective protection measures.
The protective shell, limit tube, clamping assembly and other structural designs are adopted, combined with limit frames, extrusion grooves, extrusion springs and other components to ensure sealing performance and connection firmness, and improve corrosion resistance through stainless steel layers, braided layers and protective layers.
It improves the sealing and stability of the fire sprinkler system, prevents water leakage, enhances the reliability and corrosion resistance of the hose in harsh environments, and ensures the reliable operation of the system in emergency situations.
Smart Images

Figure CN223416640U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fire protection, in particular to a stainless steel hose for fire sprinklers. Background Art
[0002] As safety standards increase, the requirements for fire sprinkler systems are becoming increasingly stringent. The performance of stainless steel hoses in terms of pressure resistance, temperature resistance, and corrosion resistance enables them to meet higher safety standards. In modern buildings, fire sprinkler systems need to adapt to a variety of environments, such as kitchens, laboratories, and warehouses, where corrosive substances such as grease and chemicals may be present. Stainless steel hoses can adapt to these special environments and ensure system reliability in emergency situations. The background technology of stainless steel hoses for fire sprinklers reflects advances in multiple fields such as materials science, mechanical design, and safety engineering. Its design aims to improve the overall performance and reliability of fire protection systems to better protect people's lives and property.
[0003] The hose connection method in the existing technology may have problems such as poor sealing and easy leakage, especially in high-frequency use or vibration environments; therefore, it does not meet existing needs. In this regard, we propose a stainless steel hose for fire sprinklers. Utility Model Content
[0004] The utility model provides a stainless steel hose for fire sprinklers, which has the beneficial effect of improving the air tightness of the article, and solves the problems of poor sealing and easy leakage in the hose connection method in the prior art mentioned in the above background technology, especially in high-frequency use or vibration environment.
[0005] The utility model provides the following technical solution: a stainless steel hose for fire sprinkler, comprising a protective shell, a limiting tube fixedly installed in the middle of the protective shell, a clamping assembly provided on the side of the limiting tube, the side of the limiting tube being connected to the hose body through the limiting assembly, a threaded rod connected to the middle of the protective shell, and a sprinkler pipe fixedly installed on the side of the threaded rod.
[0006] As an optional solution for a stainless steel hose for fire sprinklers described in the utility model, a mounting block is fixedly installed on the side of the protective shell, a rotating shaft is rotatably installed in the middle of the mounting block, a pull rod is hinged on the side of the rotating shaft, and a wristband is fixedly installed on the end of the pull rod.
[0007] As an optional solution for a stainless steel hose for fire sprinklers described in the utility model, the end of the hose body is snap-connected with a mounting ring, the side of the mounting ring is fixedly connected with a connecting ring, the side of the connecting ring is provided with a protective plate, and the side of the protective plate is provided with a flow groove.
[0008] As an optional solution for a stainless steel hose for fire sprinklers described in the utility model, the limiting assembly includes a limiting frame installed in the middle of the connecting ring, an extrusion groove is opened in the middle of the limiting frame, an extrusion spring is provided in the middle of the extrusion groove, and the side of the extrusion spring is sleeved on the side of the fixed block.
[0009] As an optional solution for a stainless steel hose for fire sprinkler described in the utility model, the fixing block is fixedly installed on the side of the clamping plate, the clamping plate is installed on the side of the protective plate, a mounting groove is opened in the middle of the mounting ring, a connecting spring is provided in the middle of the mounting groove, and a clamping block is fixedly connected to the side of the connecting spring.
[0010] As an optional solution for a stainless steel hose for fire sprinklers described in the utility model, a rotating shaft is fixedly installed in the middle of the installation groove, the clamping block is hinged on the side of the rotating shaft, a clamping slot is opened on the side of the hose body, and the clamping block is engaged with the clamping slot.
[0011] As an optional solution for a stainless steel hose for fire sprinklers described in the utility model, the clamping assembly includes a reinforcement tube installed on the side of the limiting tube, a push rod is inserted in the middle of the reinforcement tube, a return spring is sleeved on the side of the push rod, a push block is fixedly installed on the end of the push rod, a clamping groove is opened on the side of the limiting tube, and the clamping plate is clamped and connected to the clamping groove.
[0012] As an optional solution for a stainless steel hose for fire sprinkler described in the utility model, the hose body includes a stainless steel layer arranged in the middle, a braided layer is connected to one side of the stainless steel layer, and a protective layer is connected to the other side of the stainless steel layer.
[0013] The utility model has the following beneficial effects:
[0014] 1. The stainless steel hose for fire sprinkler is provided with a protective shell, a limit tube, a clamping assembly and other structures, making the overall structure of the hose more stable, which can effectively resist external impact and pressure, and ensure reliability in emergency situations such as fire. The installation of the mounting block, the rotating shaft, the pull rod and the wrist ring makes the installation and removal of the hose more convenient, and facilitates daily inspection and maintenance. The installation of the mounting ring, the connecting ring, the protective plate and the flow groove can effectively protect the hose body and prevent damage during transportation, installation and use. The setting of the limit frame, the extrusion groove, the extrusion spring and the fixing block in the limit assembly ensures the sealing performance of the hose connection part to prevent water leakage.
[0015] 2. The stainless steel hose for fire sprinkler is provided with mounting grooves, connecting springs, clamping blocks, rotating shafts and other structures, so that the hose connection is more secure and not easy to fall off. The reinforcement tube, push rod, return spring and push block in the clamping assembly are provided to make the hose more firmly fixed on the side of the limit pipe. The hose body includes a stainless steel layer, a braided layer and a protective layer, so that the hose has good corrosion resistance and is suitable for various harsh environments. The coordination between the various structures of the hose takes into account structural stability, installation convenience, protection performance, sealing performance, connection firmness and corrosion resistance. It is suitable for fire sprinkler systems and can effectively improve fire safety performance. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of the hose body of the present utility model.
[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the spray pipe of the present utility model.
[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the hose of the present invention.
[0019] Figure 4 For the utility model Figure 3 Schematic diagram of the structure of area A.
[0020] Figure 5 This is a schematic diagram of the cross-sectional structure of the limiting tube of the present utility model.
[0021] Figure 6 This is a schematic cross-sectional view of the hose structure of the present invention.
[0022] In the figure: 110, protective shell; 120, wristband; 130, hose body; 140, mounting block; 150, rotating shaft; 160, pull rod; 170, spray pipe; 180, threaded rod; 190, mounting ring; 200, connecting ring; 210, circulation groove; 220, protective plate; 230, clamping plate; 240, fixing block; 250, extrusion spring; 260, limiting frame; 270, extrusion groove; 280, connecting spring; 290, mounting groove; 300, rotating shaft; 310, clamping block; 320, clamping groove; 330, limiting tube; 340, reinforcement tube; 350, reset spring; 360, push rod; 370, push block; 380, engaging groove; 390, clamping assembly; 400, limiting assembly; 410, braided layer; 420, stainless steel layer; 430, protective layer. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0024] Example 1: This example aims to solve the problem of poor sealing and easy leakage in the hose connection method in the prior art, especially in high-frequency use or vibration environment. Figures 1-6 A stainless steel hose for fire sprinkler includes a protective shell 110, a limiting tube 330 is fixedly installed in the middle of the protective shell 110, a clamping assembly 390 is provided on the side of the limiting tube 330, and the side of the limiting tube 330 is connected to the hose body 130 through the limiting assembly 400. A threaded rod 180 is connected to the middle of the protective shell 110, and a spray pipe 170 is fixedly installed on the side of the threaded rod 180.
[0025] A mounting block 140 is fixedly installed on the side of the protective shell 110, a rotating shaft 150 is rotatably installed in the middle of the mounting block 140, a pull rod 160 is hinged on the side of the rotating shaft 150, a wristband 120 is fixedly installed on the end of the pull rod 160, a mounting ring 190 is snap-connected to the end of the hose body 130, a connecting ring 200 is fixedly connected to the side of the mounting ring 190, a protective plate 220 is provided on the side of the connecting ring 200, and a circulation groove 210 is provided on the side of the protective plate 220.
[0026] When the fire protection system is activated, water pressure is transmitted to the sprinkler pipe 170 through the threaded rod 180. The sprinkler pipe 170 sprays water to the designated area to extinguish the fire. The stainless steel layer 420 and the braided layer of the hose body 130 ensure that the hose will not burst or leak under the action of water pressure, while the protective layer 430 protects the internal structure from external damage. The clamping assembly 390 and the limit assembly 400 ensure the stability and sealing of the hose under the action of high-pressure water flow. Structural components such as the protective shell 110 and the protective plate 220 further protect the hose from external physical damage. The design of the entire system ensures that the hose can remain efficient and safe during installation, use and maintenance.
[0027] In the embodiment: through the setting of the protective shell 110, the limiting pipe 330, the clamping assembly 390 and other structures, the overall structure of the hose is more stable, which can effectively resist external impact and pressure, ensure the reliability in emergency situations such as fire, through the setting of the mounting block 140, the rotating shaft 150, the pull rod 160 and the hand ring 120, the hose installation and disassembly are more convenient, and daily inspection and maintenance are facilitated, through the setting of the mounting ring 190, the connecting ring 200, the protective plate 220 and the flow-through groove 210, the hose body 130 can be effectively protected to prevent damage during transportation, installation and use, through the setting of the limiting frame 260, the extrusion groove 270, the extrusion spring 250 and the fixed block 240 in the limiting assembly 400, the sealing performance of the hose connection part is ensured to prevent water leakage.
[0028] In the embodiment, the existing hose structure is relatively simple, lacks effective protection measures, and is easy to be damaged during installation or use. The embodiment is an improvement based on the first embodiment. For details, please refer to Figures 1-6 The limiting assembly 400 includes a limiting frame 260 installed in the middle of the connecting ring 200, the limiting frame 260 has an extrusion groove 270 in the middle, the extrusion groove 270 has an extrusion spring 250 in the middle, and the extrusion spring 250 is sleeved on the side of the fixed block 240.
[0029] The fixed block 240 is fixedly installed on the side of the clamping plate 230, the clamping plate 230 is installed on the side of the protective plate 220, the mounting ring 190 has a mounting groove 290 in the middle, the mounting groove 290 has a connecting spring 280 in the middle, the connecting spring 280 has a clamping block 310 fixedly connected on the side, the mounting groove 290 has a rotating shaft 300 fixedly installed in the middle, the rotating shaft 300 has a clamping block 310 hinged on the side, the hose body 130 has a clamping groove 320 on the side, and the clamping block 310 is clamped and connected with the clamping groove 320.
[0030] The clamping assembly 390 includes a reinforcing cylinder 340 installed on the side of the limiting pipe 330, the reinforcing cylinder 340 has a push rod 360 inserted in the middle, the push rod 360 has a return spring 350 sleeved on the side, the push rod 360 has a push block 370 fixedly installed on the end, the limiting pipe 330 has a clamping groove 380 on the side, the clamping plate 230 is clamped and connected with the clamping groove 380, and the hose body 130 includes a stainless steel layer 420 arranged in the middle, the stainless steel layer 420 has a woven layer 410 connected on one side, and the stainless steel layer 420 has a protective layer 430 connected on the other side.
[0031] In this embodiment: through the arrangement of the installation groove 290, the connecting spring 280, the clamping block 310, the rotating shaft 300 and other structures, the hose connection is more secure and not easy to fall off; through the arrangement of the reinforcement tube 340, the push rod 360, the return spring 350 and the push block 370 in the clamping assembly 390, the fixation of the hose on the side of the limiting tube 330 is more secure; through the arrangement of the hose body 130 including the stainless steel layer 420, the braided layer 410 and the protective layer 430, the hose has good corrosion resistance and is suitable for various harsh environments; and the coordination between the various structures of the hose takes into account structural stability, installation convenience, protection performance, sealing performance, connection firmness and corrosion resistance, and is suitable for fire sprinkler systems, which can effectively improve fire safety performance.
[0032] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
[0033] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.
Claims
1. A stainless steel hose for fire sprinkler, comprising a protective shell (110), characterized in that: A limiting tube (330) is fixedly installed in the middle of the protective shell (110), a clamping assembly (390) is provided on the side of the limiting tube (330), and the side of the limiting tube (330) is connected to the hose body (130) through the limiting assembly (400). A threaded rod (180) is connected to the middle of the protective shell (110), and a spray pipe (170) is fixedly installed on the side of the threaded rod (180).
2. A stainless steel hose for fire sprinkler according to claim 1, characterized in that: A mounting block (140) is fixedly mounted on the side of the protective shell (110), a rotating shaft (150) is rotatably mounted in the middle of the mounting block (140), a pull rod (160) is hinged on the side of the rotating shaft (150), and a wristband (120) is fixedly mounted on the end of the pull rod (160).
3. The stainless steel hose for fire sprinkler according to claim 1, characterized in that: The end of the hose body (130) is snap-connected with a mounting ring (190), the side of the mounting ring (190) is fixedly connected with a connecting ring (200), the side of the connecting ring (200) is provided with a protective plate (220), and the side of the protective plate (220) is provided with a flow groove (210).
4. A stainless steel hose for fire sprinkler according to claim 3, characterized in that: The limiting assembly (400) comprises a limiting frame (260) installed in the middle of the connecting ring (200), an extrusion groove (270) is provided in the middle of the limiting frame (260), an extrusion spring (250) is provided in the middle of the extrusion groove (270), and the side of the extrusion spring (250) is sleeved on the side of the fixing block (240).
5. The stainless steel hose for fire sprinkler according to claim 4, characterized in that: The fixing block (240) is fixedly mounted on the side of the clamping plate (230), the clamping plate (230) is mounted on the side of the protective plate (220), a mounting groove (290) is provided in the middle of the mounting ring (190), a connecting spring (280) is provided in the middle of the mounting groove (290), and a clamping block (310) is fixedly connected to the side of the connecting spring (280).
6. The stainless steel hose for fire sprinkler according to claim 5, characterized in that: A rotating shaft (300) is fixedly installed in the middle of the installation groove (290), the clamping block (310) is hinged on the side of the rotating shaft (300), and a clamping groove (320) is opened on the side of the hose body (130), and the clamping block (310) is clamped and connected with the clamping groove (320).
7. A stainless steel hose for fire sprinkler according to claim 6, characterized in that: The clamping assembly (390) includes a reinforcement tube (340) installed on the side of the limiting tube (330), a push rod (360) is inserted in the middle of the reinforcement tube (340), a return spring (350) is sleeved on the side of the push rod (360), a push block (370) is fixedly installed on the end of the push rod (360), a snap-fit groove (380) is opened on the side of the limiting tube (330), and the clamping plate (230) is snap-fitted and connected with the snap-fit groove (380).
8. The stainless steel hose for fire sprinkler according to claim 1, characterized in that: The hose body (130) comprises a stainless steel layer (420) arranged in the middle, one side of the stainless steel layer (420) is connected to a braided layer (410), and the other side of the stainless steel layer (420) is connected to a protective layer (430).