A propaganda fire engine
By designing concealed publicity mechanisms and protective water tanks on fire trucks, the limitations of fire trucks in fire prevention publicity have been overcome, enabling the dissemination of fire prevention knowledge on the road and ensuring vehicle stability, thus meeting the diverse needs of modern fire prevention work.
Patent Information
- Application Number
- CN202521861391.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-30
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-08-30
AI Technical Summary
Existing fire trucks have limitations in fire safety publicity. They lack dedicated equipment and space for displaying fire safety knowledge, playing promotional videos, and conducting interactive publicity, making it difficult to play a positive and effective role in fire prevention and to reach communities, schools, and businesses to conduct comprehensive and engaging fire safety education.
A fire truck for public awareness has been designed, comprising a water mist fire truck body, a cargo box, a self-locking pump retraction mechanism, a concealed publicity mechanism, and a protective water tank mechanism. It is equipped with an LED display screen and fine water mist nozzles to enable fire safety knowledge dissemination and water supply on the road.
It enables firefighters to vividly popularize fire safety knowledge in communities, schools, enterprises and other places, improves the practicality of fire safety publicity, and balances the vehicle weight through the protective water tank mechanism, improves driving stability and water supply of water mist nozzles, and meets the diverse needs of modern fire protection work.
Smart Images
Figure CN224671977U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of special vehicle technology, specifically to a publicity fire truck. Background Technology
[0002] Fire trucks, also known as fire engines, are vehicles designed and manufactured to be suitable for firefighters to ride in, equipped with various fire-fighting equipment or extinguishing agents, and used by fire brigades for fire fighting, assisting in fire fighting, or fire rescue.
[0003] With the development of fire protection work, the functional requirements for fire trucks are becoming increasingly diversified. In daily fire protection work, in addition to fire fighting and rescue missions, fire safety education is also crucial. Traditional fire trucks mainly focus on fire fighting and rescue functions, and have certain limitations in fire safety education, failing to adequately meet the needs of modern fire protection work for public awareness. For example, existing fire trucks lack dedicated equipment and space for displaying fire safety knowledge, playing promotional videos, and conducting interactive outreach, making it difficult to play a positive and effective role in fire prevention and to reach communities, schools, and businesses to conduct comprehensive and engaging fire safety education.
[0004] Based on this, this utility model designs a publicity fire truck to solve the above problems. Utility Model Content
[0005] In view of the above-mentioned shortcomings of the existing technology, the present invention provides a publicity fire truck.
[0006] To achieve the above objectives, this utility model provides the following technical solution: A publicity fire truck includes a water mist fire truck body, as well as a box body, a self-locking pump body retraction mechanism, a concealed publicity mechanism, a protective water tank mechanism, and fine water mist nozzles; A box body is fixedly installed on the right end of the water mist fire truck body; A self-locking pump body retraction mechanism is installed on the right side of the body to reduce space occupation and facilitate use by firefighters. The rear of the compartment is equipped with a hidden informational device for disseminating fire safety knowledge on board. The concealed advertising mechanism includes an LED display screen body, a fixing component, and a limiting component; the fixing component is installed inside the rear side of the compartment; the LED display screen body is connected to the fixing component; the limiting component is installed on the fixing component and the compartment; A protective water tank mechanism for storing water is installed on the front side of the compartment; Furthermore, the upper part of the water mist fire truck body is detachably equipped with a warning light, a retractable lighting light, and a front luggage rack from left to right; the self-locking pump body retraction mechanism includes a hand-held pump body, a fixed bearing component, a sliding tray, and a locking component; the fixed bearing component is installed on the inside right side of the body; the sliding tray is connected to the fixed bearing component; a limit slot is opened at the lower end of the sliding tray; the hand-held pump body is placed inside the limit slot; The locking assembly is installed on the sliding tray; a fine water mist nozzle is fixedly installed on the front right side of the compartment; a protective water tank mechanism is connected to the fine water mist nozzle. Furthermore, the fixed load-bearing assembly includes a fixed base frame and guide wheels; the fixed base frame is fixedly installed on the right side of the inner bottom of the compartment; guide wheels that are rotatably installed at the front and rear ends of the fixed base frame and are rollingly connected to the lower end of the sliding tray are mounted on it. Furthermore, the locking assembly includes a rotary indexing pin and a heavy-duty spring pin; the rotary indexing pin is symmetrically fixedly installed on the front and rear sides of the upper end of the sliding tray; the front and rear sides of the upper end of the fixed base frame are provided with locking grooves that cooperate with the movable end of the rotary indexing pin. Heavy-duty spring pins are symmetrically fixed on the front and rear sides of the right end of the sliding tray; locking grooves are provided on the lower sides of the front and rear ends of the hand pump body to engage with the movable end of the heavy-duty spring pin. Furthermore, the fixing assembly includes an upper fixing frame, a fixing skeleton, a rotating shaft, and a lower connecting frame; the lower connecting frame is fixedly installed on the rear side of the inner bottom of the compartment; the upper end of the lower connecting frame is rotatably connected to the rotating shaft via a wrap-around cam follower; the fixing skeleton is fixedly installed on the upper end of the rotating shaft; the upper end of the fixing skeleton is rotatably connected to the upper fixing frame; the upper fixing frame is fixedly installed on the rear side of the inner top of the compartment; the LED display screen body is fixedly installed on the left end of the fixing skeleton. Furthermore, the limiting component includes a limiting baffle, a pull-out indexing pin, a limiting block, and a locking plate; the limiting baffle is fixedly installed in the middle of the inner bottom of the housing; the limiting block is fixedly installed on the upper rear side of the LED display body; and the pull-out indexing pin is fixedly installed on the lower rear end of the limiting baffle. A locking plate is fixedly installed on the lower left side of the LED display screen body; The locking plate has a slot for inserting into the movable end of the pull-out indexing pin; Furthermore, the limit baffle is installed in front of the fixed frame; Furthermore, the protective water tank mechanism includes a water tank body, a fixed bracket, a wave deflector, an overflow pipe, a liquid level sensor, an inlet pipe, an outlet pipe, a drain pipe, and a connecting pipe; the fixed bracket is fixedly installed on the inner bottom left side of the tank body; the water tank body is fixedly installed on the fixed bracket; the wave deflector, the overflow pipe, and the liquid level sensor are fixedly installed inside the water tank body; An inlet pipe and an outlet pipe are fixedly installed on the upper right side of the water tank body; a drain pipe and a connecting pipe are fixedly installed on the lower right side of the water tank body; the connecting pipe is connected to the fine water mist nozzle.
[0007] Compared with the prior art, the advantages of this utility model are as follows: 1. Firefighters can directly open the roller shutter door on the rear side of the vehicle to expose the LED display screen body for on-board publicity operations; and firefighters can also remove the rotation restriction on the LED display screen body through the limiting component and pull the LED display screen body outward to change the orientation of the LED display screen body, which is convenient for firefighters to carry out fire safety knowledge popularization operations in communities, schools, enterprises and other places, and has strong practicality; 2. The protective water tank mechanism not only balances the weight of the water mist fire truck body and improves the overall driving stability of the water mist fire truck body, but also provides a continuous water supply for the fine water mist nozzles, making it convenient to use. Attached Figure Description
[0008] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0009] Figure 1 This is a front view of a fire truck for advertising according to this utility model; Figure 2 This is a right view of a fire truck for publicity according to the present invention; Figure 3 This is a front view of the roller shutter door of a fire truck according to the present invention, in the open state. Figure 4 This is a rear structural diagram of a fire truck's roller shutter door in the open state, according to this utility model. Figure 5 A schematic diagram of the self-locking pump body retraction mechanism; Figure 6 A schematic diagram of the structure of a hidden propaganda organization; Figure 7 A bird's-eye view of a covert advertising agency; Figure 8 This is a schematic diagram of the protective water tank mechanism. Figure 9 For along Figure 8 A schematic diagram of the structure with a portion removed along the AA direction; Figure 10 For along Figure 8 A schematic diagram of the structure with a portion removed along the BB direction.
[0010] The labels in the diagram represent: 1. Water mist fire truck body; 2. Warning light; 3. Lifting lighting; 4. Front luggage rack; 5. Body; 6. Self-locking pump body retraction mechanism; 61. Hand-held pump body; 62. Fixed base frame; 63. Sliding tray; 64. Rotary indexing pin; 65. Heavy-duty spring pin; 66. Guide wheel; 7. Concealed advertising mechanism; 71. LED display screen body; 72. Upper fixed frame; 73. Fixed frame; 74. Rotating shaft; 75. Lower connecting frame; 76. Limiting baffle; 77. Pull-out indexing pin; 78. Limiting block; 79. Locking plate; 8. Protective water tank mechanism; 81. Water tank body; 82. Fixed bracket; 83. Wave baffle; 84. Overflow pipe; 85. Liquid level sensor; 86. Inlet pipe; 87. Outlet pipe; 88. Drain pipe; 89. Connecting pipe; 9. Fine water mist nozzle. Detailed Implementation
[0011] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.
[0012] The terms "left," "right," "front," "back," "up," and "down" used in the following description refer to the orientation from the perspective of the front view.
[0013] In some embodiments, please refer to the accompanying drawings. Figures 1-10 A publicity fire truck includes a water mist fire truck body 1, and also includes a warning light 2, a retractable lighting light 3, a front luggage rack 4, a cargo box 5, a self-locking pump body retraction mechanism 6, a concealed publicity mechanism 7, a protective water tank mechanism 8, and fine water mist nozzles 9; the warning light 2, the retractable lighting light 3, and the front luggage rack 4 are detachably installed on the upper part of the water mist fire truck body 1 from left to right. A compartment 5 is fixedly installed on the right end of the water mist fire truck body 1; fireproof roller shutter doors are fixedly installed on both the front and rear ends of the compartment 5. The right side of the compartment 5 is equipped with a self-locking pump body retraction mechanism 6 to reduce space occupation and facilitate use by firefighters; like Figure 2As shown, the self-locking pump body retraction mechanism 6 includes a hand-held pump body 61, a fixed bearing component, a sliding tray 63, and a locking component; the fixed bearing component is installed on the inside right side of the compartment 5; the sliding tray 63 is connected to the fixed bearing component; a limit slot is provided at the lower end of the sliding tray 63; the hand-held pump body 61 is placed inside the limit slot. The locking component is mounted on the sliding tray 63; The rear side of the compartment 5 is equipped with a hidden publicity device 7 for convenient on-board fire safety knowledge dissemination; like Figure 4 As shown, the concealed advertising mechanism 7 includes an LED display screen body 71, a fixing component, and a limiting component; the fixing component is installed inside the rear side of the housing 5; the LED display screen body 71 is connected to the fixing component; the limiting component is installed on the fixing component and the housing 5. A fine water mist nozzle 9 is fixedly installed on the front right side of the compartment 5; A protective water tank mechanism 8 is installed on the front side of the compartment 5 for storing water and feeding liquid into the fine water mist nozzle 9; and the protective water tank mechanism 8 is connected to the fine water mist nozzle 9. In this invention, when no firefighting operation is being carried out, the portable pump body 61 is entirely located inside the compartment 5. When it is needed, the locking component unlocks the sliding tray 63, and then the sliding tray 63 is pulled to the right along the fixed support component, exposing the portable pump body 61 to the outside of the compartment 5, so that firefighters can then use the portable pump body 61. Furthermore, when it is necessary to inspect the portable pump body 61, the locking component can also release the restriction on the portable pump body 61, so that the portable pump body 61 can be lifted out of the sliding tray 63. Firefighters can directly open the roller shutter door on the rear side of the compartment 5 to expose the LED display screen body 71 for on-board publicity operations; firefighters can also remove the rotation restriction on the LED display screen body 71 through the limiting component and pull the LED display screen body 71 outward to change the orientation of the LED display screen body 71, which is convenient for firefighters to carry out fire safety knowledge popularization operations in communities, schools, enterprises and other places, and is highly practical. The protective water tank mechanism 8 not only balances the weight of the water mist fire truck body 1 and improves the overall driving stability of the water mist fire truck body 1, but also provides a continuous water supply for the fine water mist nozzles 9, making it convenient to use. like Figure 5 As shown, the fixed bearing assembly includes a fixed base frame 62 and guide wheels 66; the fixed base frame 62 is fixedly installed on the right side of the inner bottom of the body 5; the front and rear ends of the fixed base frame 62 are rotatably mounted with guide wheels 66 that are rollingly connected to the lower end of the sliding tray 63; like Figure 5As shown, the locking assembly includes a rotary indexing pin 64 and a heavy-duty spring pin 65; the rotary indexing pin 64 is symmetrically fixedly installed on the front and rear sides of the upper end of the sliding tray 63; the front and rear sides of the upper end of the fixed base frame 62 are provided with locking grooves that cooperate with the movable end of the rotary indexing pin 64. Heavy-duty spring pins 65 are symmetrically fixedly installed on the front and rear sides of the right end of the sliding tray 63; locking grooves are provided on the lower sides of the front and rear ends of the hand pump body 61 to engage with the movable end of the heavy-duty spring pins 65. like Figure 6 As shown, the fixing assembly includes an upper fixing frame 72, a fixing skeleton 73, a rotating shaft 74, and a lower connecting frame 75; the lower connecting frame 75 is fixedly installed on the rear side of the inner bottom of the compartment 5; the upper end of the lower connecting frame 75 is rotatably connected to the rotating shaft 74 through a wrap-around cam follower; the fixing skeleton 73 is fixedly installed on the upper end of the rotating shaft 74; the upper end of the fixing skeleton 73 is rotatably connected to the upper fixing frame 72; the upper fixing frame 72 is fixedly installed on the rear side of the inner top of the compartment 5; the LED display screen body 71 is fixedly installed on the left end of the fixing skeleton 73; like Figure 6 As shown, the limiting assembly includes a limiting baffle 76, a pull-out indexing pin 77, a limiting block 78, and a locking plate 79; the limiting baffle 76 is fixedly installed in the middle of the inner bottom of the housing 5; the installation position of the limiting baffle 76 is located in front of the fixed frame 73; the limiting block 78 is fixedly installed on the upper rear side of the LED display body 71; the pull-out indexing pin 77 is fixedly installed on the lower rear end of the limiting baffle 76; A locking plate 79 is fixedly installed on the lower left side of the LED display screen body 71; The locking plate 79 has a slot for inserting into the movable end of the pull-out indexing pin 77; like Figures 8-10 As shown, the protective water tank mechanism 8 includes a water tank body 81, a fixed bracket 82, a wave baffle 83, an overflow pipe 84, a liquid level sensor 85, an inlet pipe 86, an outlet pipe 87, a drain pipe 88, and a connecting pipe 89; the fixed bracket 82 is fixedly installed on the inner bottom left side of the tank body 5; the water tank body 81 is fixedly installed on the fixed bracket 82; the wave baffle 83, the overflow pipe 84, and the liquid level sensor 85 are fixedly installed inside the water tank body 81; An inlet pipe 86 and an outlet pipe 87 are fixedly installed on the upper right end of the water tank body 81; a drain pipe 88 and a connecting pipe 89 are fixedly installed on the lower right end of the water tank body 81; the connecting pipe 89 is connected to the fine water mist nozzle 9. In this invention, when no firefighting operation is being carried out, the portable pump body 61 is entirely located inside the compartment 5. When it is needed, the sliding tray 63 is unlocked by rotating indexing pin 64, and then the sliding tray 63 is pulled to the right. At this time, the sliding tray 63 will move outward along the guide wheel 66 until the portable pump body 61 is exposed outside the compartment 5, and then firefighters can use the portable pump body 61. When it is necessary to inspect the portable pump body 61, the limit of the portable pump body 61 can be released by heavy spring pin 65, and then the portable pump body 61 can be lifted out of the sliding tray 63. Firefighters can directly open the roller shutter door on the rear side of the compartment 5 to expose the LED display screen body 71 for on-board advertising operations; at this time, the LED display screen body 71 is close to the rear end of the limiting baffle 76 and is used in conjunction with the pull-out indexing pin 77 to prevent the LED display screen body 71 from being damaged by vehicle bumps. The rotation restriction on the LED display body 71 can also be removed by pulling the indexing pin 77 and pulling the LED display body 71 outward to change the orientation of the LED display body 71. During the rotation, the limit block 78 can prevent the LED display body 71 from rotating excessively. The wave deflector 83 can suppress the sloshing of liquid inside the water tank body 81, reduce the fluctuation of liquid during vehicle movement, and further improve driving stability and safety. The overflow pipe 84 can prevent liquid from overflowing from the top or gaps of the water tank body 81 and flooding surrounding equipment and circuits, causing safety accidents such as short circuits and leakage; when the water level in the water tank body 81 reaches the preset warning level, the excess water will be discharged from the overflow pipe 84 in time.
[0014] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.
Claims
1. A fire truck for publicity purposes, comprising a water mist fire truck body (1), characterized in that: It also includes a compartment (5), a self-locking pump body retraction mechanism (6), a concealed advertising mechanism (7), a protective water tank mechanism (8), and a fine water mist nozzle (9); A box body (5) is fixedly installed on the right end of the water mist fire truck body (1); The right side of the compartment (5) is equipped with a self-locking pump body retraction mechanism (6) to reduce space occupation and facilitate use by firefighters. The rear side of the compartment (5) is equipped with a hidden publicity device (7) that facilitates the popularization of fire safety knowledge on the vehicle. The concealed advertising mechanism (7) includes an LED display screen body (71), a fixing component, and a limiting component; the fixing component is installed inside the rear side of the compartment (5); the LED display screen body (71) is connected to the fixing component; the limiting component is installed on the fixing component and the compartment (5); The front side of the compartment (5) is equipped with a protective water tank mechanism (8) for storing water.
2. The fire truck for publicity purposes according to claim 1, characterized in that, The upper part of the water mist fire truck body (1) is detachably equipped with a warning light (2), a lifting lighting light (3) and a front luggage rack (4) from left to right; the self-locking pump body retraction mechanism (6) includes a hand-held pump body (61), a fixed bearing component, a sliding tray (63) and a locking component; the fixed bearing component is installed on the right side of the interior of the compartment (5); the sliding tray (63) is connected to the fixed bearing component; a limit slot is opened at the lower end of the sliding tray (63); the hand-held pump body (61) is placed inside the limit slot; The locking assembly is installed on the sliding tray (63); a fine water mist nozzle (9) is fixedly installed on the front right side of the compartment (5); the protective water tank mechanism (8) is connected to the fine water mist nozzle (9).
3. The publicity fire truck according to claim 2, characterized in that, The fixed load-bearing component includes a fixed base frame (62) and guide wheels (66); the fixed base frame (62) is fixedly installed on the right side of the inner bottom of the box body (5); the front and rear ends of the fixed base frame (62) are rotatably equipped with guide wheels (66) that are rolledly connected to the lower end of the sliding tray (63).
4. The publicity fire truck according to claim 3, characterized in that, The locking assembly includes a rotary indexing pin (64) and a heavy-duty spring pin (65); the rotary indexing pin (64) is symmetrically fixedly installed on the front and rear sides of the upper end of the sliding tray (63); the front and rear sides of the upper end of the fixed base frame (62) are provided with locking grooves that cooperate with the movable end of the rotary indexing pin (64). Heavy-duty spring pins (65) are symmetrically fixed on the front and rear sides of the right end of the sliding tray (63); the lower sides of the front and rear ends of the hand pump body (61) are provided with locking grooves that can be inserted into the movable end of the heavy-duty spring pins (65).
5. The publicity fire truck according to claim 4, characterized in that, The fixing components include an upper fixing frame (72), a fixing skeleton (73), a rotating shaft (74), and a lower connecting frame (75); the lower connecting frame (75) is fixedly installed on the rear side of the inner bottom of the compartment (5); the upper end of the lower connecting frame (75) is rotatably connected to the rotating shaft (74) through a wrap-around cam follower; the upper end of the rotating shaft (74) is fixedly installed with the fixing skeleton (73); the upper end of the fixing skeleton (73) is rotatably connected to the upper fixing frame (72); the upper fixing frame (72) is fixedly installed on the rear side of the inner top of the compartment (5); the LED display screen body (71) is fixedly installed on the left end of the fixing skeleton (73).
6. The publicity fire truck according to claim 5, characterized in that, The limiting assembly includes a limiting baffle (76), a pull-out indexing pin (77), a limiting block (78), and a locking plate (79); the limiting baffle (76) is fixedly installed in the middle of the inner bottom of the housing (5); the limiting block (78) is fixedly installed on the upper rear side of the LED display body (71); the pull-out indexing pin (77) is fixedly installed on the lower rear side of the limiting baffle (76); A locking plate (79) is fixedly installed on the lower left side of the LED display screen body (71). The locking plate (79) has a slot for inserting into the movable end of the pull-out indexing pin (77).
7. The publicity fire truck according to claim 6, characterized in that, The limit baffle (76) is installed in front of the fixed frame (73).
8. The publicity fire truck according to claim 6, characterized in that, The protective water tank mechanism (8) includes a water tank body (81), a fixed bracket (82), a wave deflector (83), an overflow pipe (84), a liquid level sensor (85), an inlet pipe (86), an outlet pipe (87), a drain pipe (88), and a connecting pipe (89); the fixed bracket (82) is fixedly installed on the left side of the inner bottom of the tank body (5); the water tank body (81) is fixedly installed on the fixed bracket (82); the wave deflector (83), the overflow pipe (84), and the liquid level sensor (85) are fixedly installed inside the water tank body (81); An inlet pipe (86) and an outlet pipe (87) are fixedly installed on the upper right end of the water tank body (81); a drain pipe (88) and a connecting pipe (89) are fixedly installed on the lower right end of the water tank body (81); the connecting pipe (89) is connected to the fine water mist nozzle (9).