An automatic buckle device for fire hoses

Abstract

This invention relates to the field of fire-fighting equipment technology and provides an automatic buckle device for fire hoses, including a fire hydrant, a control display, a sealed box, a drive system, an automatic buckle connector, a fire hose fastener, a magnetic positioning sleeve, a transmission rod one, a transmission rod two, and a threaded rod. The gear plate and the dynamic axial locking buckle in the automatic buckle connector are fixedly mounted on the surface of the hose body. The transmission rod two is connected to the gear plate. The inner wall of the magnetic positioning sleeve has a positioning groove, and a pressure sensor is embedded at the bottom of the positioning groove. A magnetic core one is embedded at the end of the magnetic positioning sleeve opposite to the automatic buckle connector. A positioning key is provided on the surface of the fire hose fastener, which can be inserted into the positioning groove. A static axial locking buckle is fixedly mounted on the inner wall of the fire hose fastener. There are three sets of both the dynamic and static axial locking buckles, symmetrically distributed about the center of the magnetic positioning sleeve, achieving real-time feedback and automatic adjustment of the connection status.

Description

Technical Field

[0001] This invention relates to the field of fire-fighting equipment technology, specifically to an automatic buckle device for fire hoses. Background Technology

[0002] As firefighting missions become increasingly demanding, the use of fire hoses is growing, leading to higher maintenance requirements. With repeated use, the wear and corrosion at the hose connections become more severe, necessitating frequent re-tying and reinforcement. Currently, fire brigades lack specialized tying methods and rely on simple binding wire for securing the hoses. This is not only time-consuming and labor-intensive but also prone to insecure ties. During high-pressure water supply, the hose can easily detach from the connection, delaying water supply to the fire scene and potentially causing injuries.

[0003] A search revealed that publication number CN102772870B discloses a fire hose binding device. Above a workbench, a motor drives a binding wheel, and on the other side of the binding wheel is a hose coupling holder. The motor's output shaft is connected to a long rotating shaft via a chain or belt, and a reversing gear engages to rotate the hose reel. A binding wire reel is located on the side of the workbench. Several guide wheels and pre-tightening binding wire wheels are located below the binding wheel. A control switch is also located on the workbench. This technical solution has a reasonable and compact structure, is easy to operate, and is suitable for emergency use by fire brigades. It completely solves the problem of insecure binding, which can lead to the hose detaching from the coupling at any time.

[0004] Traditional fire hose couplings (such as internal snap-fit ​​and bayonet types) require firefighters to manually align, rotate, or snap them in. In harsh environments such as emergencies, darkness, wetness, and high pressure, this not only wastes valuable time, but even a delay of a few seconds can affect firefighting efficiency and consume physical strength. In particular, when the coupling is rusty or the hose is full of water pressure, the connection is very difficult and risky. A loose connection may cause the coupling to come off under water pressure, endangering the safety of firefighters. Summary of the Invention

[0005] The purpose of this invention is to provide an automatic buckle device for fire hoses, which aims to solve the problems existing in current fire hoses.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an automatic buckle device for fire hoses, comprising a fire hydrant, a control display, a sealed box, a drive system, a first transmission rod, a second transmission rod, and a threaded rod. The control display is disposed on the surface of the sealed box. The drive system, the first transmission rod, the second transmission rod, and the threaded rod are all located inside the sealed box. The drive system is used to control the rotation of the first and second transmission rods. The threaded rod is drively connected to the first transmission rod. The device further includes:

[0007] An automatic buckle connector for connecting to a fire hydrant, the automatic buckle connector including a pipe body, a dynamic axial lock and a gear plate, the gear plate and the dynamic axial lock are both fixedly installed on the surface of the pipe body, and the transmission rod is connected to the gear plate for transmission.

[0008] A magnetic positioning sleeve connected to a threaded rod, wherein a positioning groove is provided on the inner wall of the magnetic positioning sleeve, a pressure sensor is embedded at the bottom of the positioning groove, and a magnetic core is embedded at the end of the magnetic positioning sleeve opposite to the automatic buckle connector.

[0009] The fire hose coupling has a positioning key on its surface, which can be inserted into a positioning groove. A static axial locking buckle is fixedly installed on the inner wall of the fire hose coupling. There are three sets of both the dynamic and static axial locking buckles. The three sets of dynamic and static axial locking buckles are symmetrically distributed about the center of the magnetic positioning sleeve. Each set of dynamic and static axial locking buckles is arranged in an array along the axis of the magnetic positioning sleeve. The dynamic axial locking buckle can slide in contact with the static axial locking buckle.

[0010] As a further embodiment of the present invention, the drive system includes a motor module, an electromagnet, a mother plate, a rotating sleeve, a driven gear, an elastic element, and a second magnetic core. The mother plate is provided with a rotating sleeve and a second magnetic core. Two sets of rotating sleeves are respectively sleeved on the surfaces of transmission rod one and transmission rod two. The driven gear is fixedly connected to the surface of the rotating sleeve. The two sets of motor modules are respectively connected to the two sets of driven gears. The elastic element is connected between the sealing box and the mother plate.

[0011] As a further embodiment of the present invention, transmission rod one and transmission rod two are respectively fixedly connected to transmission gear one and transmission gear two, and transmission gear one and transmission gear two are respectively connected to threaded rod and gear disc for transmission.

[0012] As a further embodiment of the present invention, both the first and second transmission rods are fixedly connected to handwheels, and keyways and key grooves are provided between the first and second transmission rods and the rotating sleeve.

[0013] As a further embodiment of the present invention, bearings and an electrical control chamber are respectively provided on the inner and outer sides of the sealed box, the tube body is rotatably connected in the bearing, the drive system is located in the electrical control chamber, and the electromagnet is fixedly connected to the electrical control chamber.

[0014] As a further embodiment of the present invention, a sealing ring is provided at one end of the magnetic positioning sleeve near the automatic buckle connector, a flange is provided on the surface of the tube body, a sealing groove is provided on the surface of the flange, and the sealing ring can slide in contact with the sealing groove.

[0015] As a further embodiment of the present invention, the surface of the magnetic positioning sleeve is provided with a static protrusion structure, and the surface of the flange is provided with a dynamic protrusion structure, wherein the dynamic protrusion structure can contact the static protrusion structure after being rotated 120 degrees.

[0016] The beneficial effects of this invention are as follows: This application utilizes a magnetic positioning sleeve to pre-fix the fire hose coupling and move it to the automatic buckle joint. The drive system can automatically interlock the three sets of moving axial locking buckles and static axial locking buckles symmetrically distributed about the center of the magnetic positioning sleeve for axial limiting. Combined with the circumferential limiting of the positioning key and the positioning groove, it prevents the fire hose coupling from detaching from the pipe body under high pressure, reduces manual operation, improves efficiency, and realizes real-time feedback and automatic adjustment of the connection status. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the installation of the fire hose coupling of the present invention.

[0018] Figure 2 This is a cross-sectional view of the present invention.

[0019] Figure 3 This is a schematic diagram showing the connection of the fire hydrant, automatic buckle connector, magnetic positioning sleeve, and fire hose fastener according to an embodiment of the present invention.

[0020] Figure 4 This is a perspective view of a fire hose coupling according to an embodiment of the present invention.

[0021] Figure 5 This is a perspective view of the magnetic positioning sleeve according to an embodiment of the present invention.

[0022] Figure 6 This is a perspective view of the automatic buckle connector according to an embodiment of the present invention.

[0023] Figure 7 This is a cross-sectional view of the automatic buckle connector, magnetic positioning sleeve, and fire hose fastener according to an embodiment of the present invention.

[0024] Figure 8 This is a schematic diagram of the first position of the static axial locking buckle and the dynamic axial locking buckle in an embodiment of the present invention.

[0025] Figure 9 This is a schematic diagram of the second position of the static axial locking buckle and the dynamic axial locking buckle in an embodiment of the present invention.

[0026] Figure 10 This is a partial cross-sectional view of the present invention.

[0027] Figure 11 This is a side sectional view of the present invention.

[0028] Attached diagram label: 1-Fire hydrant;

[0029] 2-Sealed box, 21-Bearing, 22-Electrical control compartment;

[0030] 3-Fire hose coupling, 31-Static axial locking buckle, 32-Positioning key;

[0031] 4-Magnetic positioning sleeve, 41-Positioning groove, 42-Pressure sensor, 43-Magnetic core one, 44-Sealing ring, 45-Static protrusion structure;

[0032] 5-Automatic fastening connector, 51-Pipe body, 52-Flange, 53-Moving axial locking, 54-Sealing groove, 55-Gear disc, 56-Moving protrusion structure;

[0033] 6-Drive system, 61-Motor module, 62-Electromagnet, 63-Mother plate, 64-Rotating sleeve, 65-Driven gear, 66-Elastic element, 67-Magnetic core two;

[0034] 7-Transmission rod one; 71-Transmission gear one;

[0035] 8-Transmission rod two; 81-Transmission gear two;

[0036] 9-Threaded rod;

[0037] 10-Control the display;

[0038] 11-Handwheel. Detailed Implementation

[0039] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0040] The specific implementation of the present invention will be described in detail below with reference to specific embodiments.

[0041] Please see Figures 1 to 11 In one embodiment of the present invention, an automatic buckle device for fire hoses includes a fire hydrant 1, a control display 10, a sealed box 2, a drive system 6, a first transmission rod 7, a second transmission rod 8, and a threaded rod 9. The control display 10 is disposed on the surface of the sealed box 2. The drive system 6, the first transmission rod 7, the second transmission rod 8, and the threaded rod 9 are all located inside the sealed box 2. Bearings 21 and an electrical control compartment 22 are respectively disposed on the inner and outer sides of the sealed box 2. The pipe body 51 is rotatably connected to the bearing 21. The drive system 6 is disposed inside the electrical control compartment 22. The electromagnet 62 is fixedly connected to the electrical control compartment 22. The drive system 6 is used to control the rotation of the first transmission rod 7 and the second transmission rod 8. The threaded rod 9 is drively connected to the first transmission rod 7. The device also includes:

[0042] The automatic buckle connector 5 is connected to the fire hydrant 1. The automatic buckle connector 5 includes a pipe body 51, a dynamic axial lock 53 and a gear plate 55. The gear plate 55 and the dynamic axial lock 53 are both fixedly installed on the surface of the pipe body 51. The transmission rod 8 is connected to the gear plate 55 in a transmission connection.

[0043] The magnetic positioning sleeve 4 is connected to the threaded rod 9. The inner wall of the magnetic positioning sleeve 4 is provided with a positioning groove 41. A pressure sensor 42 is embedded at the bottom of the positioning groove 41. A magnetic core 43 is embedded at the end of the magnetic positioning sleeve 4 that is away from the automatic buckle connector 5. The positioning key 32 and the positioning groove 41 are designed to cooperate to ensure that the fire hose fastener 3 is in a precise staggered position with the automatic buckle connector 5 when it is inserted. This mechanical guiding structure avoids misalignment during connection, ensures the initial alignment of the static axial lock 31 and the dynamic axial lock 53, solves the problem of low positioning accuracy in traditional connection, ensures the success rate of connection on the first try, and reduces water leakage or connection failure caused by misalignment.

[0044] The fire hose coupling 3 has a positioning key 32 on its surface, which can be inserted into the positioning groove 41. A pressure sensor 42 is embedded in the bottom of the positioning groove 41. This sensor detects the insertion status of the fire hose coupling 3 and triggers the motor module 61. It also detects whether the fire hose coupling 3 is axially loose during connection. The inner wall of the fire hose coupling 3 is fixedly equipped with a static axial locking buckle 31. There are three sets of both the dynamic axial locking buckles 53 and the static axial locking buckles 31. These three sets of dynamic axial locking buckles 53 and static axial locking buckles 31 are symmetrically distributed about the center of the magnetic positioning sleeve 4. Each set of dynamic axial locking buckles 53 and static axial locking buckles 31... All are arranged in an array along the axis of the magnetic positioning sleeve 4. The dynamic axial locking buckle 53 can slide in contact with the static axial locking buckle 31. A sealing ring 44 is provided at one end of the magnetic positioning sleeve 4 near the automatic binding connector 5. A flange 52 is provided on the surface of the pipe body 51. A sealing groove 54 is provided on the surface of the flange 52. The sealing ring 44 can slide in contact with the sealing groove 54. When the magnetic positioning sleeve 4 moves, the sealing ring 44 enters the sealing groove 54 to form a sliding contact, providing a reliable sealing interface. A static protrusion structure 45 is provided on the surface of the magnetic positioning sleeve 4. A dynamic protrusion structure 56 is provided on the surface of the flange 52. After rotating 120 degrees, the dynamic protrusion structure 56 can contact the static protrusion structure 45.

[0045] Please see Figure 10 and Figure 11Furthermore, the drive system 6 includes a motor module 61, an electromagnet 62, a mother plate 63, a rotating sleeve 64, a driven gear 65, an elastic element 66, and a second magnetic core 67. The mother plate 63 is provided with a rotating sleeve 64 and a second magnetic core 67. Two sets of rotating sleeves 64 are respectively sleeved on the surfaces of transmission rod 7 and transmission rod 8. The driven gear 65 is fixedly connected to the surface of the rotating sleeve 64. The two sets of motor modules 61 are respectively connected to the two sets of driven gears 65. The elastic element 66 includes a spring and a fixing pin. The fixing pin is fixedly connected to the mother plate 63. The spring is connected between the sealing box 2 and the mother plate 63. The fixing pin can contact the surface of the sealing box 2. The transmission rod 7 and the transmission rod 8 are respectively fixedly connected with transmission gear 71 and transmission gear 81. The transmission gear 71 and transmission gear 81 are respectively connected to the threaded rod 9 and the gear disk 55.

[0046] In this embodiment of the invention, the positioning key 32 of the fire hose coupling 3 is first aligned and inserted into the positioning groove 41 of the magnetic positioning sleeve 4. The positioning key 32 and the positioning groove 41 are set to ensure that the moving axial locking buckle 53 and the stationary axial locking buckle 31 are in a precisely interlocked position. The magnetic core 43 is used to fix the fire hose coupling 3 into the magnetic positioning sleeve 4 from the end. In the energized state, the magnetic repulsion between the electromagnet 62 and the magnetic core 67 drives the mother plate 63 to move until the fixing pin contacts the sealing box 2, the spring is in a compressed state, and the two sets of driven gears 65 move to the position where they are connected to the two sets of motor modules 61. After the pressure sensor 42 at the bottom of the positioning groove 41 detects the pressure of the positioning key 32, it controls one set of motor modules 61 to start. This set of motor modules 61 controls the driven gear 65, the rotating sleeve 64, the transmission rod 7, the transmission gear 71, and the threaded rod 9 to rotate, thereby controlling the magnetic positioning sleeve 4. The fire hose coupling 3 moves toward the automatic fastening connector 5. When the sealing ring 44 enters the sealing groove 54, it controls another set of motor modules 61 to start. This set of motor modules 61 controls the driven gear 65, rotating sleeve 64, transmission gear 81, gear plate 55, pipe body 51 and moving axial lock 53 to rotate 120 degrees. At this time, the moving protrusion structure 56 can contact the stationary protrusion structure 45, thereby driving the moving axial lock 53 to rotate into the stationary axial lock 31 to form an interlock, which is used to axially limit the fire hose coupling 3. With the circumferential limit of the positioning key 32 and the positioning groove 41, it can prevent the fire hose coupling 3 from detaching from the pipe body 51 under high pressure, realizing the automatic fastening of the fire hose. The whole process does not require manual intervention, which significantly improves the connection speed. It is suitable for emergency fire-fighting scenarios, overcomes the disadvantages of cumbersome and time-consuming manual operation, reduces human error through automation, and improves the efficiency of fire-fighting response.

[0047] Please see Figure 10 and Figure 11In another embodiment of the present invention, a handwheel 11 is fixedly connected to the ends of both the first transmission rod 7 and the second transmission rod 8, and a key bar and keyway structure are provided between the first transmission rod 7 and the second transmission rod 8 and the rotating sleeve 64.

[0048] In this embodiment of the invention, when a power outage occurs, the electromagnet 62 loses its magnetic repulsion on the second magnetic core 67, and the spring force drives the mother plate 63 to move in the opposite direction until the second magnetic core 67 contacts the electromagnet 62. At this time, the two sets of driven gears 65 move to a position where they are disengaged from the two sets of motor modules 61. The operator can control the movement of the magnetic positioning sleeve 4 and the rotation of the automatic buckle connector 5 through the two sets of handwheels 11. The mechanical limit formed by the moving protrusion structure 56 and the stationary protrusion structure 45 can ensure precise control of the rotation angle of the automatic buckle connector 5 in manual mode, solving the problem of device failure under abnormal conditions such as power outages, ensuring the continuity and reliability of fire fighting operations, and meeting the emergency requirements of fire fighting equipment.

[0049] In summary, this application utilizes the magnetic positioning sleeve 4 to pre-fix the fire hose coupling 3 and move it to the automatic binding connector 5. The drive system 6 can automatically interlock the three sets of symmetrically distributed moving axial locking buckles 53 and static axial locking buckles 31 about the center of the magnetic positioning sleeve 4 to limit axial movement. Combined with the circumferential limiting of the positioning key 32 and the positioning groove 41, it prevents the fire hose coupling 3 from detaching from the pipe body 51 under high pressure, reduces manual operation, improves efficiency, and realizes real-time feedback and automatic adjustment of the connection status.

[0050] This application can automatically switch to manual mode in the event of a power outage or circuit failure. Operators can manually control the movement of the magnetic positioning sleeve 4 and the rotation of the automatic buckle connector 5 by using the handwheel 11 (fixed to the ends of transmission rod 7 and transmission rod 8). This solves the problem of device failure under abnormal conditions such as power outages, and ensures the reliability of fire fighting operations and availability under abnormal conditions.

[0051] While several embodiments and examples of the present invention have been described for those skilled in the art, these embodiments and examples are provided as examples and are not intended to limit the scope of the invention. These new embodiments can be implemented in various other ways, and various omissions, substitutions, and modifications can be made without departing from the spirit of the invention.

[0052] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An automatic buckle device for fire hose, comprising a hydrant (1), a control display (10), a sealed box (2), a drive system (6), a transmission rod one (7), a transmission rod two (8) and a threaded rod (9), the control display (10) is arranged on the surface of the sealed box (2), the drive system (6), the transmission rod one (7), the transmission rod two (8) and the threaded rod (9) are all located in the sealed box (2), the drive system (6) is used for controlling the rotation of the transmission rod one (7) and the transmission rod two (8), the threaded rod (9) is in transmission connection with the transmission rod one (7), characterized in that, Also includes: An automatic buckle connector (5) connected to a fire hydrant (1) includes a pipe body (51), a dynamic axial lock (53) and a gear disc (55). The gear disc (55) and the dynamic axial lock (53) are both fixedly installed on the surface of the pipe body (51). The transmission rod (8) is connected to the gear disc (55) in a transmission manner. A magnetic positioning sleeve (4) connected to the threaded rod (9) has a positioning groove (41) on its inner wall. A pressure sensor (42) is embedded at the bottom of the positioning groove (41). A magnetic core (43) is embedded at the end of the magnetic positioning sleeve (4) that is away from the automatic buckle connector (5). Fire hose coupling (3), the surface of the fire hose coupling (3) is provided with a positioning key (32), the positioning key (32) can be inserted into the positioning groove (41), the inner wall of the fire hose coupling (3) is fixedly provided with a static axial locking buckle (31), the dynamic axial locking buckle (53) and the static axial locking buckle (31) are all in three groups, the three groups of dynamic axial locking buckles (53) and static axial locking buckles (31) are symmetrically distributed about the center of the magnetic positioning sleeve (4), each group of dynamic axial locking buckles (53) and static axial locking buckles (31) are arrayed along the axis of the magnetic positioning sleeve (4), the dynamic axial locking buckle (53) can slide in contact with the static axial locking buckle (31).

2. An automatic buckle tying device for a fire hose according to claim 1, characterized in that, The drive system (6) includes a motor module (61), an electromagnet (62), a mother plate (63), a rotating sleeve (64), a driven gear (65), an elastic element (66), and a second magnetic core (67). The mother plate (63) is provided with a rotating sleeve (64) and a second magnetic core (67). Two sets of rotating sleeves (64) are respectively sleeved on the surfaces of transmission rod one (7) and transmission rod two (8). The driven gear (65) is fixedly connected to the surface of the rotating sleeve (64). Two sets of motor modules (61) are respectively connected to two sets of driven gears (65). The elastic element (66) is connected between the sealing box (2) and the mother plate (63).

3. An automatic buckle tying device for a fire hose according to claim 2, characterized in that, The first transmission rod (7) and the second transmission rod (8) are respectively fixedly connected to the first transmission gear (71) and the second transmission gear (81), and the first transmission gear (71) and the second transmission gear (81) are respectively connected to the threaded rod (9) and the gear plate (55).

4. An automatic buckle tying device for a fire hose according to claim 3, characterized in that, Handwheels (11) are fixedly connected to the ends of both transmission rod one (7) and transmission rod two (8), and key strips and keyways are provided between transmission rod one (7) and transmission rod two (8) and rotating sleeve (64).

5. An automatic buckle tying device for a fire hose according to claim 4, characterized in that, The sealed box (2) is provided with a bearing (21) and an electrical control chamber (22) on its inner and outer sides respectively. The tube (51) is rotatably connected in the bearing (21). The drive system (6) is located in the electrical control chamber (22). The electromagnet (62) is fixedly connected to the electrical control chamber (22).

6. An automatic buckle device for a fire hose according to claim 1, wherein The magnetic positioning sleeve (4) is provided with a sealing ring (44) at one end near the automatic buckle connector (5). The surface of the pipe body (51) is provided with a flange (52). The surface of the flange (52) is provided with a sealing groove (54). The sealing ring (44) can slide in contact with the sealing groove (54).

7. An automatic buckle tying device for a fire hose according to claim 6, characterized in that, The magnetic positioning sleeve (4) has a static protrusion structure (45) on its surface, and the flange (52) has a dynamic protrusion structure (56) on its surface. After rotating 120 degrees, the dynamic protrusion structure (56) can contact the static protrusion structure (45).

Images