Buried outdoor hydrant

Abstract

The application relates to a buried outdoor fire hydrant, and relates to the technical field of fire engineering. The buried outdoor fire hydrant comprises a pre-buried well, a fire hydrant body and a fire hose. A guide rail is fixedly arranged on the side wall of the pre-buried well along the vertical direction. A mounting frame is slidably arranged on the guide rail along the vertical direction. A winding roller is arranged on the mounting frame. The fire hose is wound on the winding roller. A driving assembly for driving the mounting frame to ascend and descend is arranged in the pre-buried well. In use, the mounting frame is first driven to ascend by the driving assembly, so that the fire hose on the winding roller ascends to outside the pre-buried well. The fire hose can be taken off without entering the pre-buried well, and the fire hose can be connected with the fire hydrant body. After use, the fire hose is wound on the winding roller, and then the mounting frame is driven to move downwards along the guide rail into the pre-buried well by the driving assembly. The whole process does not require workers to enter the pre-buried well to operate, and the fire hydrant is convenient to use.

Description

Technical Field

[0001] This application relates to the field of fire protection engineering technology, and in particular to an underground outdoor fire hydrant. Background Technology

[0002] An underground fire hydrant is an outdoor underground fire water supply facility used to supply water to fire trucks or to connect directly to fire hoses and nozzles for firefighting. It is an essential outdoor fire water supply facility. An underground fire hydrant is installed in a pre-buried well, and the inlet is then sealed with a well cover.

[0003] When in use, firefighters first open the manhole cover, enter the pre-buried manhole, and remove the fire hose from the wall of the pre-buried manhole before installing it. The space in the pre-buried manhole is limited, making it very inconvenient to install and remove the fire hose, which makes the entire fire hydrant inconvenient to use. Summary of the Invention

[0004] To facilitate the use of fire hydrants, this application provides an underground outdoor fire hydrant.

[0005] This application provides a buried outdoor fire hydrant, which adopts the following technical solution:

[0006] An underground outdoor fire hydrant includes a pre-buried well, a fire hydrant body, and a fire hose. A guide rail is fixedly installed on the side wall of the pre-buried well in the vertical direction. An installation frame is slidably installed on the guide rail in the vertical direction. A winding roller is installed on the installation frame. The fire hose is wound around the winding roller. A drive assembly for driving the installation frame to lift and lower is installed inside the pre-buried well.

[0007] By adopting the above technical solution, during use, the mounting frame is first driven upward by the drive assembly, causing the fire hose on the take-up roller to rise to the outside of the pre-embedded well. The fire hose can then be removed without entering the pre-embedded well and connected to the fire hydrant body. After use, the fire hose is wound back onto the take-up roller, and then the mounting frame is driven downward along the guide rail back into the pre-embedded well by the drive assembly. The entire process does not require workers to enter the pre-embedded well, facilitating the use of the fire hydrant.

[0008] Optionally, the mounting frame is hinged with a mounting arm, a take-up reel is fixedly mounted on the mounting arm, the take-up roller is rotatably mounted on the take-up reel, and the mounting arm is provided with a drive component for driving the take-up roller to rotate.

[0009] By adopting the above technical solution, during winding, the mounting arm is rotated so that the mounting arm rotates from a state parallel to the mounting frame to a state perpendicular to the mounting frame, so as to facilitate winding the fire hose. Then, the drive component drives the winding roller to rotate, so that the fire hose is wound on the winding roller.

[0010] Optionally, the winding reel is provided with mounting rods, two of which are spaced apart along the circumference of the winding reel, and the mounting rods are provided with pressure rollers for contacting the fire hose.

[0011] By adopting the above technical solution, the pressure roller comes into contact with the fire hose during the winding process, which helps to prevent the fire hose from becoming loose.

[0012] Optionally, a sliding rod is slidably provided inside the mounting rod along the radial direction of the winding reel, and the pressure roller is rotatably located at the end of the sliding rod away from the mounting rod. An elastic element is provided on the mounting rod to drive the sliding rod to slide so that the pressure roller abuts against the fire hose.

[0013] By adopting the above technical solution, during the fire hose winding process, the elastic element drives the slide bar to move closer to the winding roller, so that the pressure roller always keeps in a state of pressing against the fire hose, preventing the fire hose from loosening.

[0014] Optionally, the take-up reel is provided with sliding arms that slide along a direction perpendicular to the length of the take-up roller. Two sliding arms are arranged in parallel. The mounting rod is fixedly arranged at the ends of the two sliding arms that are far apart from each other. The take-up reel is provided with a power mechanism for driving the two sliding arms to slide.

[0015] By adopting the above technical solution, during the fire hose winding process, the fire hose roll gradually increases in size. The power mechanism drives the two sliding arms to move away from each other, the sliding arms drive the mounting rod to move, and the mounting rod drives the two pressure rollers to move away from each other, so as to adapt to the increased diameter of the roll. This ensures that the pressure rollers keep pressing the fire hose while the fire hose can be wound up smoothly.

[0016] Optionally, the power mechanism includes a drive gear and a power assembly. The drive gear is rotatably mounted on the winding reel. The sliding arm has a toothed groove for meshing with the drive gear. Both sliding arms mesh with the drive gear. The power assembly is used to drive the drive gear to rotate.

[0017] By adopting the above technical solution, the drive gear is driven to rotate by the power component, and the drive gear drives the sliding arm to move, thereby achieving the purpose of driving the two sliding arms to move.

[0018] Optionally, the power assembly includes a drive wheel, a driven wheel, and a belt. The take-up reel is rotatably mounted on a rotating shaft. The take-up roller is fixedly mounted on the rotating shaft. The drive wheel is coaxially and fixedly sleeved on the rotating shaft. The driven wheel is rotatably mounted on the take-up reel. The belt is sleeved on the drive wheel and the driven wheel. The driven wheel is fixedly connected to the drive gear.

[0019] By adopting the above technical solution, during the winding process, the winding roller and the rotating shaft rotate, which in turn drives the drive wheel to rotate synchronously. The drive wheel drives the driven wheel to rotate via a belt, and the driven wheel drives the drive gear to rotate. The drive gear drives the sliding arm to move, thereby simultaneously increasing the distance between the two pressure rollers during the winding of the fire hose.

[0020] Optionally, the driving component is configured as a handle, which is fixedly mounted on the end of the rotating shaft away from the take-up roller. The handle includes a driving rod and a hand-held rod. The driving rod is fixedly mounted on the rotating shaft, and the hand-held rod is hinged to the driving rod. The hand-held rod is capable of deflection in the horizontal plane.

[0021] Optionally, a positioning part is fixedly provided on the hand handle, and a receiving groove for engaging with the mounting part is provided on the side wall of the mounting arm.

[0022] Optionally, the drive assembly includes a drive shaft, a rotating gear, a rack, and a drive source. The rack is fixedly mounted on the mounting bracket in a vertical direction. The rotating shaft is rotatably mounted in the pre-embedded well. The drive gear is fixedly mounted on the rotating shaft and meshes with the rack. The drive source is used to drive the rotating shaft to rotate.

[0023] In summary, this application includes at least one of the following beneficial technical effects:

[0024] 1. In use, first, drive the mounting bracket upwards using the drive assembly, raising the fire hose on the take-up roller to the outside of the pre-embedded well. The fire hose can be removed without entering the pre-embedded well and then connected to the fire hydrant body. After use, rewind the fire hose onto the take-up roller, and then drive the mounting bracket downwards along the guide rail back into the pre-embedded well using the drive assembly. The entire process does not require workers to enter the pre-embedded well, facilitating the use of the fire hydrant.

[0025] 2. During the fire hose winding process, the fire hose roll gradually increases in size. The power mechanism drives the two sliding arms to move away from each other. The sliding arms drive the mounting rod to move, and the mounting rod drives the two pressure rollers to move away from each other to accommodate the increased diameter of the roll. This ensures that the pressure rollers keep the fire hose pressed tightly while the fire hose can be wound up smoothly.

[0026] 3. During the winding process, the winding roller and the rotating shaft rotate, which in turn drives the drive wheel to rotate synchronously. The drive wheel drives the driven wheel to rotate via a belt. The driven wheel drives the drive gear to rotate, and the drive gear drives the sliding arm to move, thereby simultaneously increasing the distance between the two pressure rollers during the winding of the fire hose. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application;

[0028] Figure 2 This is a schematic diagram illustrating the main structure of the mounting bracket in the embodiments of this application;

[0029] Figure 3 yes Figure 2 Enlarged view of section A in the middle;

[0030] Figure 4 This is a partial structural schematic diagram of an embodiment of this application;

[0031] Figure 5 This is a schematic diagram illustrating the structure of the mounting rod and the sliding rod, which are the main embodiments of this application.

[0032] Figure 6 This is a schematic diagram illustrating the structure of the mounting arm and handle, which are the main features of the embodiments of this application.

[0033] Figure 7 This is a schematic diagram illustrating the main structure of the power mechanism in the embodiments of this application.

[0034] Explanation of reference numerals in the attached drawings: 1. Embedded well; 11. Fire hydrant body; 12. Fire hose; 2. Guide rail; 21. Guide groove; 22. Slider; 221. Slide groove; 222. Guide block; 3. Mounting bracket; 4. Mounting arm; 41. Winding reel; 411. Winding roller; 412. Positioning rod; 413. Guide seat; 414. Rotating shaft; 42. Handle; 421. Drive rod; 422. Handheld rod; 4221. Positioning part; 43, receiving groove; 5, mounting rod; 51, slide rod; 52, pressure roller; 53, spring; 6, sliding arm; 61, support rod; 62, tooth groove; 7, power mechanism; 71, drive gear; 72, power assembly; 721, driving wheel; 722, driven wheel; 723, belt; 81, drive shaft; 82, rotating gear; 83, rack; 841, worm gear; 842, worm; 843, handle. Detailed Implementation

[0035] The following is in conjunction with the appendix Figure 1-7 This application will be described in further detail.

[0036] This application discloses an underground outdoor fire hydrant.

[0037] Reference Figure 1 An underground outdoor fire hydrant includes a pre-buried well 1, a fire hydrant body 11, and a fire hose 12. The outlet of the fire hydrant body 11 faces upward to facilitate firefighters connecting the fire hose 12 outside the pre-buried well 1. A guide rail 2 is fixedly installed vertically on the side wall of the pre-buried well 1. Two guide rails 2 are arranged parallel to each other, and the cross-section of the guide rail 2 is rectangular. A mounting bracket 3 is slidably mounted vertically on the guide rail 2, and the fire hose 12 is mounted on the mounting bracket 3.

[0038] Reference Figure 2and Figure 3 Guide grooves 21 are formed along the length of the two guide rails 2 on their sidewalls, which are close to and far apart from each other. A slider 22 is slidably mounted on the guide rail 2. A groove 221 is formed through the slider 22 in the vertical direction. The slider 22 is slidably fitted onto the guide rail 2, and the guide rail 2 and the groove 221 are adapted to each other. Guide blocks 222 are fixedly mounted on both sidewalls of the groove 221, and the guide blocks 222 are slidably connected to the guide groove 21.

[0039] Reference Figure 2 and Figure 3 The pre-embedded well 1 is equipped with a drive assembly for raising and lowering the mounting frame 3. The drive assembly includes a drive shaft 81, a rotating gear 82, a rack 83, and a drive source. The rack 83 is fixedly mounted vertically on the mounting frame 3 and is horizontally rotatable within the pre-embedded well 1. The rotating gear 82 is fixedly mounted on the drive shaft and meshes with the rack 83. The drive source is used to drive the drive shaft 81 to rotate. The drive source includes a worm gear 841, a worm 842, and a handle 843. The worm gear 841 is fixedly mounted on the drive shaft 81. A fixing plate is fixedly mounted on the side wall of the pre-embedded well 1. The worm 842 is rotatably mounted on the fixing plate. The handle 843 is fixedly mounted on the worm 842, and the worm 842 meshes with the worm gear 841.

[0040] Reference Figure 4 The mounting frame 3 is equipped with a take-up roller 411. Specifically, the mounting frame 3 is hinged to a mounting arm 4, and a take-up reel 41 is fixedly mounted on the mounting arm 4. The take-up roller 411 is rotatably mounted on the take-up reel 41. The fire hose 12 is wound around the take-up roller 411. A positioning rod 412 is fixedly mounted on the take-up reel 41, and the positioning rod 412 is parallel to the take-up roller 411. When winding the fire hose 12, the fire hose 12 is folded in half and looped over the positioning rod 412. Then, it is wound around the take-up roller 411 and the positioning rod 412, so that both connectors of the fire hose 12 are located at the end of the winding, which is convenient for use.

[0041] Reference Figure 4 and Figure 5 The take-up reel 41 is provided with mounting rods 5, two of which are spaced apart along the circumference of the take-up reel 41. Each mounting rod 5 is provided with a pressure roller 52 for contacting the fire hose 12. A sliding rod 51 is slidably disposed within the mounting rod 5 along the radial direction of the take-up reel 41. A sliding groove is formed within the mounting rod 5 along its length, and the sliding rod 51 is slidably disposed within the sliding groove. The pressure roller 52 is rotatably disposed at the end of the sliding rod 51 away from the mounting rod 5, and is disposed along the length of the take-up roller 411.

[0042] Reference Figure 4 and Figure 5The mounting rod 5 is equipped with an elastic element, a spring 53, for driving the sliding rod 51 to slide so that the pressure roller 52 is pressed against the fire hose 12. The spring 53 is located in the sliding groove, with one end fixedly connected to the bottom wall of the sliding groove and the other end fixedly connected to the sliding rod 51. The elastic force of the spring 53 drives the pressure roller 52 to always keep it pressed against the fire hose 12, preventing the fire hose 12 from loosening.

[0043] Reference Figure 6 A sliding arm 6 is slidably mounted on the take-up reel 41 along a direction perpendicular to the length of the take-up roller 411. Two sliding arms 6 are arranged in parallel. Specifically, a guide seat 413 is fixedly mounted vertically on the side wall of the take-up reel 41 away from the fire hose 12. A guide hole is opened in the guide seat 413, and the sliding arm 6 slides through the guide hole. An mounting rod 5 is fixedly mounted on the end of the two sliding arms 6 that is far apart from each other. A support rod 61 is fixedly mounted on the end of the sliding arms 6 that is far apart from each other, and the mounting rod 5 is fixedly mounted on the support rod 61.

[0044] Reference Figure 6 and Figure 7 The take-up reel 41 is provided with a power mechanism 7 for driving the two sliding arms 6 to slide. The power mechanism 7 includes a drive gear 71 and a power assembly 72. The drive gear 71 is rotatably mounted on the take-up reel 41, and the sliding arms 6 are provided with toothed grooves 62 for meshing with the drive gear 71. Both sliding arms 6 are meshed with the drive gear 71.

[0045] Reference Figure 6 and Figure 7 The power assembly 72 drives the drive gear 71 to rotate. The power assembly 72 includes a drive wheel 721, a driven wheel 722, and a belt 723. A winding reel 41 is rotatably mounted on a rotating shaft 414. The winding roller 411 is fixedly mounted on the rotating shaft 81414. The drive wheel 721 is coaxially fixedly sleeved on the rotating shaft 414. The driven wheel 722 is rotatably mounted on the winding reel 41. The belt 723 is sleeved on the drive wheel 721 and the driven wheel 722. The driven wheel 722 is fixedly connected to the drive gear 71. In this embodiment, the diameter of the drive wheel 721 is smaller than the diameter of the driven wheel 722, and the pitch circle diameter of the drive gear 71 is d. The transmission ratio between the drive wheel 721 and the driven wheel 722 is i. The radius increase of the fire hose 12 after one winding is h, i.e., the thickness of the fire hose 12 is h. The condition (dπ) / h = i is satisfied, meaning that when the take-up roller 411 rotates one revolution, the pressure roller 52 rises a distance equal to or approximately equal to the thickness of the fire hose 12.

[0046] Reference Figure 6 and Figure 7The mounting arm 4 is equipped with a drive component for driving the take-up roller 411 to rotate. The drive component is a handle 42, which is fixedly mounted on the end of the rotating shaft 414 away from the take-up roller 411. The handle 42 includes a drive rod 421 and a hand lever 422. The drive rod 421 is fixedly mounted on the rotating shaft 414, and the hand lever 422 is hinged to the drive rod 421. The hand lever 422 can deflect in the horizontal plane. A positioning part 4221 is fixedly mounted on the hand lever 422, and a receiving groove 43 for engaging with the mounting part is provided on the side wall of the mounting arm 4.

[0047] The implementation principle of this application embodiment is as follows: In use, first rotate the handle 843, which drives the worm gear 842 to rotate. The worm gear 842 drives the worm wheel 841 to rotate, which in turn drives the drive shaft 81 and the rotating gear 82 to rotate. This causes the rack 83 to move upward, thereby raising the mounting frame 3. This allows the fire hose 12 on the take-up roller 411 to rise outside the pre-buried well 1, so that the fire hose 12 can be removed without entering the pre-buried well 1. The fire hose 12 can then be connected to the fire hydrant body 11. After use, the fire hose 12 is wound back onto the take-up roller 411, and then the mounting frame 3 is driven downward along the guide rail 2 into the pre-buried well 1 via the drive assembly. The entire process does not require workers to enter the pre-buried well 1, making it convenient to use the fire hydrant.

[0048] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. An underground outdoor fire hydrant, comprising a pre-buried well (1), a fire hydrant body (11), and a fire hose (12), characterized in that: The side wall of the pre-embedded well (1) is fixedly provided with a guide rail (2) in the vertical direction. A mounting frame (3) is slidably provided on the guide rail (2) in the vertical direction. A take-up roller (411) is provided on the mounting frame (3). The fire hose (12) is wound around the take-up roller (411). A drive assembly for driving the mounting frame (3) to lift is provided inside the pre-embedded well (1). An mounting arm (4) is hinged on the mounting frame (3). A take-up reel (41) is fixedly provided on the mounting arm (4). The take-up roller (411) is rotatably provided on the take-up reel (41). A drive assembly for driving the take-up roller (411) is provided on the mounting arm (4). 1) A rotating drive component; the winding reel (41) is provided with mounting rods (5), two mounting rods (5) are spaced apart along the circumference of the winding reel (41), and the mounting rods (5) are provided with pressure rollers (52) for contacting the fire hose (12); a sliding rod (51) is slidably provided inside the mounting rod (5) along the radial direction of the winding reel (41), and the pressure roller (52) is rotatably provided at the end of the sliding rod (51) away from the mounting rod (5), and the mounting rod (5) is provided with an elastic element for driving the sliding rod (51) to slide so that the pressure roller (52) is pressed against the fire hose (12); the winding reel (41) is perpendicular to the radial direction of the winding reel (41) The take-up roller (411) has sliding arms (6) slidably arranged along its length. Two sliding arms (6) are arranged in parallel. The mounting rod (5) is fixedly arranged at the ends of the two sliding arms (6) that are far apart from each other. The take-up reel (41) is provided with a power mechanism (7) for driving the two sliding arms (6) to slide. The power mechanism (7) includes a drive gear (71) and a power assembly (72). The drive gear (71) is rotatably arranged on the take-up reel (41). The sliding arms (6) are provided with tooth grooves (62) for meshing with the drive gear (71). Both sliding arms (6) mesh with the drive gear (71). The power assembly (72) is used to drive the drive gear (71) to rotate; the power assembly (72) includes a drive wheel (721), a driven wheel (722) and a belt (723), the take-up reel (41) is rotatably connected to a rotating shaft (414), the take-up roller (411) is fixedly mounted on the rotating shaft (414), the drive wheel (721) is coaxially fixedly mounted on the rotating shaft (414), the driven wheel (722) is rotatably mounted on the take-up reel (41), the belt (723) is mounted on the drive wheel (721) and the driven wheel (722), and the driven wheel (722) is fixedly connected to the drive gear (71).

2. The underground outdoor fire hydrant according to claim 1, characterized in that: The driving component is configured as a handle (42), which is fixedly mounted on one end of the rotating shaft (414) away from the take-up roller (411). The handle (42) includes a driving rod (421) and a hand lever (422). The driving rod (421) is fixedly mounted on the rotating shaft (414), and the hand lever (422) is hinged to the driving rod (421). The hand lever (422) can deflect in the horizontal plane.

3. The underground outdoor fire hydrant according to claim 2, characterized in that: A positioning part (4221) is fixedly provided on the hand handle (422), and a receiving groove (43) for engaging with the positioning part (4221) is provided on the side wall of the mounting arm (4).

4. The underground outdoor fire hydrant according to claim 1, characterized in that: The drive assembly includes a drive shaft (81), a rotating gear (82), a rack (83), and a drive source. The rack (83) is fixedly mounted on the mounting bracket (3) in the vertical direction. The drive shaft (81) is rotatably mounted in the pre-embedded well (1). The rotating gear (82) is fixedly mounted on the drive shaft (81). The rotating gear (82) meshes with the rack (83). The drive source is used to drive the drive shaft (81) to rotate.

Images