Fire hose connector and fire-fighting lance
By introducing a sealing mechanism and reinforcement structure into the fire hose interface, the problem of decreased sealing performance caused by the aging of sealing materials is solved, achieving higher sealing performance and connection stability, and facilitating disassembly and assembly.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-03-27
AI Technical Summary
The sealing material at the connection between traditional fire hoses and nozzles ages over time and with increased use, leading to a decline in sealing performance.
A fire hose interface was designed, which includes a sealing mechanism and a reinforcement mechanism. The sealing block and airbag are driven by a threaded rod to achieve sealing. Combined with a limit block and spring fixing structure, the stability and sealing of the connection are improved.
It improves the sealing and stability of the connecting block and the water inlet, facilitates disassembly and assembly, and enhances the convenience of connection.
Smart Images
Figure CN224039878U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fire water gun technical field especially relates to a fire hose connector and fire water gun. BACKGROUND
[0002] Fire hose is used to transport high pressure water or foam etc. fire -retardant liquid hose, traditional fire hose is lined with rubber, outer surface is wrapped with flax braid, one end of fire hose all has metal joint, can connect fire water gun and carries out fire control work.
[0003] The sealing material at the interface between the fire hose and the water gun, such as the rubber sealing ring, will age with the increase of time and use frequency. Rubber is an organic polymer material, and the molecular chain thereof will be broken under the action of long-term environmental factors (such as oxygen, ultraviolet light, etc.). For example, the molecular chain in the rubber sealing ring will gradually decompose under the radiation of ultraviolet light when the fire-fighting equipment is stored in an outdoor environment directly exposed to sunlight, causing the rubber to become hard and brittle and lose elasticity. The aged rubber cannot tightly fit at the interface, thereby causing the sealing performance to decrease. Therefore, the present application proposes a fire hose connector and a fire water gun. SUMMARY
[0004] The utility model discloses a kind of fire hose connectors and fire water guns to solve the problem that the sealing performance of the interface between fire hose and water gun decreases with the increase of use time in the background art.
[0005] In the first aspect, the utility model provides a kind of fire hose connectors, including gun body and connecting block, further comprising:
[0006] Water inlet, the water inlet is fixedly installed in one side of gun body, the connecting block is slidably connected with water inlet, sealing mechanism for improving the sealing performance of water inlet is arranged on the connecting block;
[0007] Reinforcing mechanism, the reinforcing mechanism is arranged on water inlet and is used to fix the connecting block.
[0008] Optionally, the sealing mechanism includes a mounting block fixedly installed on the connecting block, a sealing tube is fixedly installed in the mounting block, the sealing tube is provided with a cavity, a sealing block is slidably installed in the sealing tube, an installation plate is fixedly installed on the connecting block, a threaded rod is threadedly installed on the installation plate, one end of the threaded rod is threadedly connected with the sealing block, an installation groove is formed in one side of the connecting block, a sealing air bag is fixedly installed in the installation groove, a connecting pipe is fixedly installed on the sealing tube, the sealing tube is communicated with the connecting pipe, one end of the connecting pipe is communicated with the sealing air bag, when the sealing block is located at the top of the sealing tube, the sealing air bag is in a deflated state, a sealing groove is formed in the water inlet, and the sealing air bag is located in the sealing groove.
[0009] Optionally, the reinforcing mechanism comprises limiting blocks fixedly installed on both sides of the connecting block, one side of the limiting block is provided with a cutting surface, and fixed blocks are fixedly installed on both sides of the water inlet, a limiting plate is slidably installed in the fixed block, and the side surface of the limiting plate is attached to the limiting block.
[0010] Optionally, a spring is fixedly installed in the fixed block, one end of the spring is fixedly connected to the limiting plate, a pull plate is slidably installed on one side of the fixed block, and the pull plate is slidably connected to the limiting plate.
[0011] Optionally, a threaded rod is fixedly installed on the threaded rod, and an anti-skid block is arranged on the rotating block.
[0012] Optionally, fixed plates are fixedly installed on both sides of the connecting block, and the fixed plates are fixedly connected to the limiting blocks.
[0013] Optionally, a water outlet is fixedly installed at one end of the gun body, and a handle is fixedly installed at the bottom of the gun body.
[0014] In the second aspect, the utility model provides a fire water gun, which comprises the fire hose connector of the first aspect.
[0015] To sum up, the present application has at least one of the following beneficial technical effects:
[0016] The connecting block is inserted into the water inlet, the threaded rod is rotated, one end of the threaded rod drives the sealing block to move downward, the sealing block extrudes the gas in the pipe, the extruded gas is discharged into the sealed air bag through the connecting pipe to inflate the sealed air bag, the connecting part of the sealing groove is sealed, and the sealing property is improved.
[0017] Further, the limiting blocks arranged on both sides of the connecting block extrude the limiting plate in the fixed block, the limiting plate moves upward, the spring is extruded and deformed, with the movement of the limiting block, the limiting plate presses against the cutting surface of the limiting block, so that the connecting block can be fixed during the insertion of the connecting block into the water inlet, and the stability of the connection is improved.
[0018] To sum up, the utility model improves the sealing property of the connecting block and the water inlet, improves the stability after connection, facilitates disassembly and assembly, and is convenient to connect. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 A fire hose connector and a fire water gun structure are shown Figure 1 ;
[0020] Figure 2 A fire hose connector and a fire water gun structure are shown Figure 2 ;
[0021] Figure 3 Figure is a structure diagram of the fixing block and the limiting plate;
[0022] Figure 4 Figure is a structure diagram of the fixing block and the limiting plate; Figure 1 Figure is a structure diagram of the fixing block and the limiting plate.
[0023] Fig. 1 is a gun body; 2 is a handle; 3 is a water outlet; 4 is a water inlet; 5 is a connecting block; 6 is a limiting block; 7 is a fixing block; 8 is a mounting block; 9 is a pull plate; 10 is a mounting plate; 11 is a rotating block; 12 is a sealing air bag; 13 is a mounting groove; 14 is a threaded rod; 15 is a fixing plate; 16 is a sealing block; 17 is a sealing pipe; 18 is a connecting pipe; 19 is a spring; 20 is a limiting plate; 21 is a sealing groove. DETAILED DESCRIPTION
[0024] The technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.
[0025] The components of the embodiments of the present application generally described and shown in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the application.
[0026] Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0027] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0028] It is to be understood that the terms "including", "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. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, specific features, structures, materials, or characteristics described can be combined in any appropriate manner in one or more embodiments or examples.
[0029] In the description of the utility model, it needs to explain, unless there is explicit stipulation and limitation, the term "installation", "connection", "connect" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirectly connected through intermediate medium, can be two elements inside the communication. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.
[0030] Embodiment one
[0031] As Figures 1-2 The utility model provides a fire hose connector, including gun body 1 and connecting block 5, connecting block 5 is used for being connected with fire hose, still include water inlet 4, water inlet 4 is fixedly installed at one side of gun body 1, connecting block 5 and water inlet 4 slidingly connected, be provided with the sealing mechanism of improving the sealing property of water inlet 4 on connecting block 5;
[0032] Among them, the reinforcing mechanism is arranged on the water inlet 4 for fixing the connecting block 5.
[0033] As Figures 3-4As shown, this embodiment also includes a sealing mechanism, which includes a mounting block 8 fixedly mounted on the connecting block 5. A sealing tube 17 is fixedly mounted inside the mounting block 8. The sealing tube 17 is hollow, and a sealing block 16 is slidably mounted inside the sealing tube 17. A mounting plate 10 is fixedly mounted on the connecting block 5, and a threaded rod 14 is threadedly mounted on the mounting plate 10. One end of the threaded rod 14 is threadedly connected to the sealing block 16. A mounting groove 13 is provided on one side of the connecting block 5, and a sealing airbag 12 is fixedly mounted inside the mounting groove 13. A connecting tube 18 is fixedly mounted on the sealing tube 17, and the sealing tube 17 communicates with the connecting tube 18. One end of the connecting tube 18 communicates with the sealing airbag 12. The sealing block 16 is located on top of the sealing tube 17. When the sealing airbag 12 is deflated, a sealing groove 21 is provided inside the water inlet 4, and the sealing airbag 12 is located in the sealing groove 21. The connecting block 5 is inserted into the water inlet 4, and the threaded rod 14 is rotated. The threaded rod 14 drives the sealing block 16 at one end to move downward. The sealing block 16 compresses the gas in the sealing tube 17, and the gas is transported to the sealing airbag 12 through the connecting tube 18, so that the sealing airbag 12 is inflated. The sealing airbag 12 seals the connection of the sealing groove 21 to prevent water leakage and improve the sealing performance. When it is necessary to pull the connecting block 5 out of the water inlet 4, the threaded rod 14 is rotated in the opposite direction to draw the gas in the sealing airbag 12 into the sealing tube 17, thereby canceling the seal on the connection of the sealing groove 21.
[0034] like Figures 1-3 As shown, this embodiment also includes a reinforcement mechanism, which includes limiting blocks 6 fixedly installed on both sides of the connecting block 5. One side of the limiting block 6 is cut-out. Fixing blocks 7 are fixedly installed on both sides of the water inlet 4. A limiting plate 20 is slidably installed inside the fixing block 7. The side of the limiting plate 20 fits against the limiting block 6. When the connecting block 5 is inserted into the water inlet 4, the limiting block 6 squeezes the limiting plate 20 inside the fixing block 7, causing it to move upward. The spring 19 is squeezed and deformed. As the limiting block 6 moves, the spring 19 drives the limiting plate 20 to press against the side of the limiting block 6, and the limiting block 6 is fixed. When it is necessary to remove the connecting block 5, the pull plate 9 is pulled outward to release the limiting plate 20 from fixing the limiting block 6. At this time, the connecting block 5 can be pulled out for easy installation and disassembly.
[0035] like Figures 2-4 As shown, a spring 19 is fixedly installed inside the fixing block 7. One end of the spring 19 is fixedly connected to the limiting plate 20. A pull plate 9 is slidably installed on one side of the fixing block 7. The pull plate 9 is slidably connected to the limiting plate 20. A rotating block 11 is fixedly installed on the threaded rod 14. An anti-sliding block is provided on the rotating block 11. Fixing plates 15 are fixedly installed on both sides of the connecting block 5. The fixing plates 15 are fixedly connected to the limiting block 6. A water outlet 3 is fixedly installed at one end of the gun body 1. A handle 2 is fixedly installed at the bottom of the gun body 1.
[0036] Example 2
[0037] The utility model provides a fire water gun, including a fire hose connector like embodiment one, including a fire hose connector like any one of claims.
[0038] The working principle of the embodiment is as follows: when the connecting block 5 needs to be connected with the gun body 1, the connecting block 5 is inserted into the water inlet 4, the threaded rod 14 is rotated, the threaded rod 14 drives the sealing block 16 at one end to move downward, the sealing block 16 extrudes the gas in the sealing pipe 17, the gas is transported into the sealing air bag 12 through the connecting pipe 18, the sealing air bag 12 is inflated, the sealing air bag 12 seals the connection of the sealing groove 21, water leakage is avoided, and the sealing performance is improved; when the connecting block 5 needs to be pulled out of the water inlet 4, the threaded rod 14 is reversely rotated, the gas in the sealing air bag 12 is sucked into the sealing pipe 17, and the sealing of the connection of the sealing groove 21 is cancelled; when the connecting block 5 is inserted into the water inlet 4, the limiting block 6 extrudes the limiting plate 20 in the fixed block 7, so that the limiting plate 20 moves upward, the spring 19 is extruded and deformed, with the movement of the limiting block 6, the spring 19 drives the limiting plate 20 to abut against the side surface of the limiting block 6, and the limiting block 6 is fixed; when the connecting block 5 needs to be removed, the pull plate 9 is pulled outward, the limiting plate 20 cancels the fixation of the limiting block 6, at this time, the connecting block 5 can be pulled out, the sealing performance of the connecting block and the water inlet is improved, the stability after connection is improved, the connecting block is convenient to disassemble and assemble, and the connection is convenient.
[0039] The above specific embodiments are only several optional embodiments of the utility model, based on the technical scheme of the utility model and the related inspiration of the above embodiments, the person skilled in the art can make various alternative improvements and combinations on the above specific embodiments.
Claims
1. A fire hose coupling comprising a gun body (1) and a connecting block (5), characterized in that Also include: Water inlet (4), the water inlet (4) is fixedly installed on one side of the gun body (1), the connecting block (5) is slidably connected with the water inlet (4), and the sealing mechanism for improving the sealing performance of the water inlet (4) is arranged on the connecting block (5); The reinforcing mechanism is arranged on the water inlet (4) and used for fixing the connecting block (5).
2. A fire hose coupling according to claim 1, characterised in that The sealing mechanism comprises a mounting block (8) fixedly installed on the connecting block (5), a sealing pipe (17) fixedly installed in the mounting block (8), the sealing pipe (17) being provided with a cavity, a sealing block (16) slidably installed in the sealing pipe (17), a mounting plate (10) fixedly installed on the connecting block (5), a threaded rod (14) threadedly installed on the mounting plate (10), one end of the threaded rod (14) being threadedly connected with the sealing block (16), a mounting groove (13) formed in one side of the connecting block (5), a sealing air bag (12) fixedly installed in the mounting groove (13), a connecting pipe (18) fixedly installed on the sealing pipe (17), the sealing pipe (17) being in communication with the connecting pipe (18), one end of the connecting pipe (18) being in communication with the sealing air bag (12), the sealing air bag (12) being in a deflated state when the sealing block (16) is located at the top of the sealing pipe (17), and the sealing groove (21) formed in the water inlet (4), wherein the sealing air bag (12) is located in the sealing groove (21).
3. A fire hose coupling according to claim 1, wherein, The reinforcing mechanism comprises limiting blocks (6) fixedly installed on both sides of the connecting block (5), one side of the limiting block (6) is provided with a cutting surface, and fixed blocks (7) are fixedly installed on both sides of the water inlet (4) and slidably installed with limiting plates (20) therein, the side surface of the limiting plate (20) is attached to the limiting block (6).
4. A fire hose coupling according to claim 3, wherein, The fixed block (7) is fixedly installed with a spring (19), one end of the spring (19) is fixedly connected with the limiting plate (20), and the fixed block (7) is slidably installed with a pull plate (9) on one side, and the pull plate (9) is slidably connected with the limiting plate (20).
5. A fire hose coupling according to claim 2, wherein, The threaded rod (14) is fixedly installed with a rotating block (11), and the rotating block (11) is provided with an anti-skid block.
6. A fire hose coupling according to claim 2, wherein, The connecting block (5) is fixedly installed with fixed plates (15) on both sides, and the fixed plates (15) are fixedly connected with the limiting blocks (6).
7. A fire hose coupling according to claim 1, wherein, One end of the gun body (1) is fixedly installed with a water outlet (3), and the bottom of the gun body (1) is fixedly installed with a handle (2).
8. A fire hose, characterized in that The fire hose connector comprises the fire hose connector according to any one of claims 1-7. The fire hose connector comprises the fire hose connector according to any one of claims 1-7.