Birdcage type house car body frame structure

Abstract

The application belongs to the technical field of box body framework, in particular to a birdcage type house car box body framework structure, which comprises a birdcage type house car box body framework body; a group of supports are fixedly connected to the house car box body framework body; connecting columns are fixedly connected to the supports; sliding rods are slidingly connected in the connecting columns; connecting plates are fixedly connected to one end of the sliding rods away from the supports; first springs are fixedly connected between the other end of the sliding rods away from the connecting plates and the connecting columns; in the process that the car box body is rear-ended by other vehicles, the connecting plates first bear the pressure, at this time, the connecting plates push the sliding rods, so that the first springs provide the sliding rods with buffering force, then when the connecting plates continuously move, the supports disperse the pressure to the house car box body framework body, thereby reducing the deformation degree of the house car box body framework body after being impacted, and the safety of the house car box body framework body can be improved by the buffering force provided by the first springs.

Description

Technical Field

[0001] This invention belongs to the field of box frame technology, specifically a birdcage-style RV box frame structure. Background Technology

[0002] The RV's upper body frame serves as the vehicle's frame, supporting and connecting various vehicle components and bearing loads from both inside and outside the vehicle. The strength of the RV's upper body frame also determines the vehicle's safety.

[0003] However, the above technologies often have the following drawbacks: the current RV body frame is relatively large and has low frame density. When the RV is rear-ended by other vehicles, the rear end of the body frame is easily deformed by the impact, resulting in poor overall safety of the body frame. Therefore, this invention provides a birdcage-type RV body frame structure. Summary of the Invention

[0004] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0005] The technical solution adopted by this invention to solve its technical problem is: a birdcage-style RV upper body frame structure, including a birdcage-style RV body frame body; a set of brackets is fixedly connected to the RV body frame body, a connecting column is fixedly connected to the brackets, a sliding rod is slidably connected inside the connecting column, a connecting plate is fixedly connected to the end of the sliding rod away from the brackets, and a first spring is fixedly connected between the end of the sliding rod away from the connecting plate and the connecting column; because the RV body frame body used in the RV body is relatively large and has low frame density, when the RV is rear-ended by other vehicles, the rear end of the RV body frame body is easily deformed by the impact, resulting in poor overall safety of the RV body frame body. The above mechanism can... In the event of a rear-end collision between the RV body and another vehicle, the connecting plate initially bears the pressure. This pressure then pushes the sliding rod, causing the first spring to provide cushioning. As the connecting plate continues to move, the bracket distributes the pressure across the RV body frame, reducing the degree of deformation after impact. Simultaneously, the cushioning provided by the first spring enhances the safety of the RV body frame. The RV body frame is made of high-strength T700 material with a birdcage-like structure. The dense frame ensures even stress distribution at all support points, minimizing deformation and increasing structural strength. It can withstand strong impacts from all directions without deformation, making it resistant to falls and rollovers.

[0006] Preferably, the connecting plate has an opening on the side away from the bracket, and a slider is provided inside the connecting plate. A second spring is fixedly connected between the side of the slider near the bracket and the inner wall of the connecting plate. When the RV body frame is rear-ended, the slider will be pushed by the impact force. At this time, the second spring will first provide a buffering force to the slider, and then the slider will push the connecting plate to move. During this process, the buffering force of the second spring can be used to further improve the safety of the RV body frame.

[0007] Preferably, a magnetic ring that magnetically attracts the slide rod is fixedly connected inside the connecting column, and the slide rod is made of magnetic material. Since the slide rod and the connecting column are connected by a first spring, due to the elasticity of the first spring, the slide rod will slide inside the connecting column due to the force of the shaking when the vehicle is moving, resulting in poor stability of the entire device. At this time, the magnetic ring that magnetically attracts the slide rod can be used to position the slide rod, thereby improving the stability of the entire device when the vehicle is moving. At the same time, the attraction between the magnetic ring and the slide rod can also increase the resistance of the slide rod when it slides, thereby further improving the buffering force when the RV body frame body is rear-ended.

[0008] Preferably, a steel rope is fixedly connected to the bracket, and the other end of the steel rope is fixedly connected to the RV body frame. While the bracket disperses the impact force to other parts of the RV body frame, the steel rope also provides a tension force to the bracket. The end of the steel rope (in a taut state) away from the bracket is fixed to a place on the RV body frame that is far from the bracket. At this time, the impact force can be further dispersed to other parts of the RV body frame with the help of the steel rope, thereby further improving the strength of the RV body frame at the rear-end collision point.

[0009] Preferably, the slider is slidably and sealed to the inner wall of the connecting plate, forming a cavity between the slider and the connecting plate. A set of vent holes communicating with the cavity are provided on the top surface of the connecting plate. An elastic sheet is fixedly connected to the inner wall of the vent holes, and contraction holes are evenly distributed on the elastic sheet. The cavity stores red gas. When the vehicle is traveling on a relatively remote road with fewer people and vehicles, if a serious rear-end collision occurs, other personnel may not be able to notice the accident in time. With the above mechanism, when the RV body frame is rear-ended, the slider pushes the gas in the cavity, causing the gas to open the contraction holes and expel all the red gas. People nearby can then see a large amount of red gas, thus achieving a warning effect.

[0010] Preferably, a hollow block is fixedly connected to the side of the connecting plate near the support. The hollow block has an opening at one end near the connecting plate and stores red smoke inside. A set of circular holes communicating with the interior of the hollow block are opened on the top surface of the hollow block. A connecting piece made of elastic material is fixedly connected to the top surface of the inner wall of the hollow block, covering the circular holes. A set of connecting rods is fixedly connected to the side of the slider corresponding to the connecting piece. The connecting rods are slidably and sealed to the interior of the connecting plate, and one end of the connecting rod extends into the hollow block, with the end extending into the hollow block being tapered. Since the gas stored in the cavity is quickly discharged under the push of the slider, the warning effect cannot be achieved if there are no people nearby. At this time, with the help of the above mechanism, when the slider slides, the connecting rods can puncture the connecting piece with many holes. At this time, the gas in the hollow block will permeate through the holes on the connecting piece and be discharged through the circular holes. The discharged gas can be slowly discharged through the circular holes, thereby achieving a continuous warning effect.

[0011] Preferably, a storage groove is formed in the connecting plate, and a push block is slidably connected in the storage groove. A third spring is fixedly connected between the push block and the bottom surface of the inner wall of the storage groove. A through hole (not shown in the figure) communicating with the storage groove is formed on the bottom surface of the connecting plate. Water is stored above the push block. A connecting hole communicating with the storage groove and the interior of the hollow block is formed in the connecting plate. The connecting hole is covered by a connecting piece. Since the gas in the hollow block is naturally discharged, a lot of gas will remain in the hollow block and cannot be discharged without external interference. With the above mechanism, when the connecting piece is punctured, the third spring will push the slider, which will push the water in the storage groove. At this time, the water will flow from the connecting hole to the connecting piece, and then enter the hollow block through the punctured hole on the connecting piece (the punctured hole is relatively small, and the water entering the hollow block will also enter slowly). At this time, the red gas in the hollow block will be pushed by the water, thereby improving the effect of gas entering and exiting the hollow block.

[0012] Preferably, the bottom surface of the hollow block is connected to a connecting pipe, and a control valve is fixedly installed on the connecting pipe. In the event of a serious rear-end collision, the vehicle may catch fire. At this time, personnel can hold the connecting pipe and aim it at the fire, and then open the control valve to allow the water inside the hollow block to be discharged from the connecting pipe (the water outlet of the connecting pipe will be located outside the vehicle compartment, and the connecting pipe is made of elastic material and can be stretched). The discharged water can extinguish the fire in the vehicle in a timely manner and reduce the damage to the vehicle.

[0013] Preferably, a hollow and elastic connecting block is fixedly connected to the inner wall of the hollow block, and an air pump is fixedly connected to the inner wall of the connecting block. The air inlet of the air pump extends outside the hollow block. When the control valve is opened, the air pump can be opened synchronously with the help of the controller. At this time, the air pump will draw outside gas into the connecting block, causing the connecting block to expand. The expanded connecting block can pressurize the water inside the hollow block, so that the water can be sprayed onto the fire site of the vehicle, thereby improving the fire extinguishing effect.

[0014] Preferably, a storage box is fixedly connected to the inner wall of the hollow block near the connecting block. A pressure plate is slidably connected inside the storage box, and foaming agent is stored below the pressure plate. An air inlet communicating with the interior of the storage box is opened on the top surface of the storage box, and a liquid outlet communicating with the interior of the storage box is opened on the bottom surface of the storage box. A sealing plate that seals the liquid outlet is slidably connected to the bottom surface of the inner wall of the storage box. A magnetic sheet is fixedly connected to the inner wall of the connecting block corresponding to the sealing plate. The magnetic sheet and the magnetic sealing plate are magnetically attracted. When the connecting block expands, the position of the magnetic sheet will move. At this time, the magnetic sheet will drive the sealing plate to move, so that the sealing plate no longer seals the liquid outlet. At this time, the foaming agent in the storage box will enter the water and mix with the water. The water sprayed from the connecting pipe will have a certain amount of foam, thereby further improving the fire extinguishing effect on the vehicle.

[0015] The beneficial effects of this invention are as follows:

[0016] 1. In the event of a rear-end collision between the vehicle body and another vehicle, the present invention allows the connecting plate to bear the pressure first. At this time, the connecting plate will push the sliding rod, so that the first spring provides a buffering force to the sliding rod. Then, as the connecting plate continues to move, the bracket will distribute the pressure to the RV body frame, thereby reducing the degree of deformation of the RV body frame after the impact. At the same time, the buffering force provided by the first spring can also improve the safety of the RV body frame.

[0017] 2. When the RV body frame is rear-ended, the slider will be pushed by the impact force. At this time, the second spring will first provide a buffering force to the slider, and then the slider will push the connecting plate to move. During this process, the buffering force of the second spring can be used to further improve the safety of the RV body frame. Attached Figure Description

[0018] The invention will now be further described with reference to the accompanying drawings.

[0019] Figure 1 This is a perspective view of the present invention.

[0020] Figure 2 This is a perspective view of the connecting plate and hollow block in this invention.

[0021] Figure 3This is a schematic diagram of the internal structure of the connecting plate and the hollow block in this invention.

[0022] Figure 4 This is a cross-sectional view of the connecting column in this invention.

[0023] Figure 5 yes Figure 3 Enlarged view of point A.

[0024] Figure 6 This is a schematic diagram of the structure of Embodiment 2 of the present invention.

[0025] Figure 7 yes Figure 6 Enlarged view of point B.

[0026] In the diagram: 1. RV body frame; 2. Connecting plate; 3. Connecting column; 4. Sliding rod; 5. Bracket; 6. First spring; 7. Sliding block; 8. Second spring; 9. Magnetic ring; 10. Steel rope; 11. Air vent; 12. Elastic sheet; 13. Shrinkage hole; 14. Hollow block; 15. Round hole; 16. Connecting rod; 17. Connecting piece; 18. Storage tank; 19. Connecting hole; 20. Magnetic sheet; 21. Push block; 22. Third spring; 23. Connecting pipe; 24. Control valve; 25. Air pump; 26. Connecting block; 27. Storage box; 28. Pressure plate; 29. ​​Liquid outlet; 30. Sealing plate; 31. Cavity. Detailed Implementation

[0027] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0028] Example 1: As Figures 1 to 5As shown in the embodiment of the present invention, a birdcage-style RV body frame structure includes a birdcage-style RV body frame body 1; a set of brackets 5 are fixedly connected to the body frame body 1, a connecting column 3 is fixedly connected to the brackets 5, a sliding rod 4 is slidably connected inside the connecting column 3, a connecting plate 2 is fixedly connected to the end of the sliding rod 4 away from the brackets 5, and a first spring 6 is fixedly connected between the end of the sliding rod 4 away from the connecting plate 2 and the connecting column 3; because the RV body frame body 1 used in the RV body is relatively large and has low frame density, when the RV is rear-ended by other vehicles, the rear end of the RV body frame body 1 is easily deformed by the impact, resulting in poor overall safety of the RV body frame body 1. The above-mentioned mechanism can improve the safety of the RV body frame body 1. During a rear-end collision with another vehicle, the connecting plate 2 bears the pressure first. At this time, the connecting plate 2 pushes the sliding rod 4, causing the first spring 6 to provide a buffering force to the sliding rod 4. Then, as the connecting plate 2 continues to move, the bracket 5 distributes the pressure to the RV body frame 1, thereby reducing the degree of deformation of the RV body frame 1 after the impact. At the same time, the buffering force provided by the first spring 6 can also improve the safety of the RV body frame 1. The RV body frame 1 is made of high-strength T700 material, with a birdcage-like structure, dense frame, uniform stress distribution at each support connection point, small deformation, and improved structural strength of the body. It can withstand strong impacts from all directions without deformation of the body, and is resistant to high-altitude falls and rollovers.

[0029] The connecting plate 2 has an opening on the side away from the bracket 5. A slider 7 is provided inside the connecting plate 2. A second spring 8 is fixedly connected between the side of the slider 7 near the bracket 5 and the inner wall of the connecting plate 2. When the RV body frame 1 is rear-ended, the slider 7 will be pushed by the impact force. At this time, the second spring 8 will first provide a buffering force to the slider 7, and then the sliding rod 4 will push the connecting plate 2 to move. During this process, the buffering force of the second spring 8 can be used to further improve the safety of the RV body frame 1.

[0030] The connecting column 3 is internally fixed with a magnetic ring 9 that magnetically attracts the sliding rod 4. The sliding rod 4 is made of magnetic material. Since the sliding rod 4 is connected to the connecting column 3 by means of a first spring 6, the sliding rod 4 will slide inside the connecting column 3 due to the force of the shaking caused by the first spring 6 during vehicle movement, resulting in poor stability of the entire device. At this time, the magnetic ring 9 can be used to position the sliding rod 4, improving the stability of the entire device during vehicle movement. At the same time, the attraction between the magnetic ring 9 and the sliding rod 4 can also increase the resistance of the sliding rod 4 during sliding, thereby further improving the buffering force when the RV body frame 1 is rear-ended.

[0031] A steel rope 10 is fixedly connected to the bracket 5, and the other end of the steel rope 10 is fixedly connected to the RV body frame 1. While the bracket 5 disperses the impact force to other parts of the RV body frame 1, the steel rope 10 also provides a tension force to the bracket 5. The end of the steel rope 10 (in a taut state) away from the bracket 5 is fixed at a place on the RV body frame 1 that is far away from the bracket 5. At this time, the impact force can be further dispersed to other parts of the RV body frame 1 with the help of the steel rope 10, thereby further improving the strength of the RV body frame 1 at the rear-end collision point.

[0032] The slider 7 is slidably connected to the inner wall of the connecting plate 2, forming a cavity 31 between the slider 7 and the connecting plate 2. The top surface of the connecting plate 2 has a set of air vents 11 communicating with the cavity 31. An elastic sheet 12 is fixedly connected to the inner wall of the air vents 11. The elastic sheet 12 has evenly spaced constriction holes 13. The cavity 31 stores red gas. When the vehicle is traveling on a relatively remote road, there will be fewer people and vehicles. If a serious rear-end collision occurs, other people may not be able to notice the accident in time. With the above mechanism, when the RV body frame 1 is rear-ended, the slider 7 pushes the gas in the cavity 31. At this time, the gas will push open the constriction holes 13, allowing all the red gas to be discharged. People nearby can then see a large amount of red gas, thus achieving a warning effect.

[0033] A hollow block 14 is fixedly connected to the side of the connecting plate 2 near the support 5. The hollow block 14 has an opening at one end near the connecting plate 2 and stores red smoke inside. A set of circular holes 15 communicating with the interior of the hollow block 14 are formed on its top surface. A connecting piece 17, made of elastic material, is fixedly connected to the top surface of the inner wall of the hollow block 14, enclosing the circular holes 15. A set of connecting rods 16 is fixedly connected to the side of the slider 7 corresponding to the connecting piece 17. The connecting rods 16 are in a sealed sliding connection with the interior of the connecting plate 2. One end of the connecting rod 16 extends into the hollow block 14, and the end extending into the hollow block 14 is tapered. Since the gas stored in the cavity 31 is quickly discharged under the push of the slider 7, the warning effect cannot be achieved if there are no people nearby. At this time, with the help of the above mechanism, when the slider 7 slides, the connecting rod 16 can puncture the connecting piece 17 with many holes. At this time, the gas in the hollow block 14 will permeate through the holes on the connecting piece 17 and be discharged through the round hole 15. The discharged gas can be slowly discharged through the round hole, thereby achieving a continuous warning effect.

[0034] A storage groove 18 is formed inside the connecting plate 2. A push block 21 is slidably connected inside the storage groove 18. A third spring 22 is fixedly connected between the push block 21 and the bottom surface of the inner wall of the storage groove 18. A through hole (not shown in the figure) communicating with the storage groove 18 is formed on the bottom surface of the connecting plate 2. Water is stored above the push block 21. A connecting hole 19 communicating with the storage groove 18 and the interior of the hollow block 14 is formed inside the connecting plate 2. The connecting hole 19 is covered by a connecting piece 17. Since the gas inside the hollow block 14 is naturally discharged, the gas is not affected by external factors. In the event of disturbance, a lot of gas will remain inside the hollow block 14 and cannot be discharged. With the above mechanism, when the connecting piece 17 is punctured, the third spring 22 will push the slider 7, causing the slider 7 to push the water in the storage tank 18. At this time, the water will flow from the connecting hole 19 to the connecting piece 17, and then enter the hollow block 14 through the punctured hole on the connecting piece 17 (the punctured hole is relatively small, so the water entering the hollow block 14 will also enter slowly). At this time, the red gas inside the hollow block 14 will be pushed by the water, thereby improving the effect of gas entering and discharging from the hollow block 14.

[0035] The bottom surface of the hollow block 14 is connected to a connecting pipe 23, and a control valve 24 is fixedly installed on the connecting pipe 23. In the event of a serious rear-end collision, the vehicle may catch fire. At this time, personnel can hold the connecting pipe 23 and aim it at the fire, and then open the control valve 24 to allow the water inside the hollow block 14 to be discharged from the connecting pipe 23 (the water outlet of the connecting pipe 23 will be located outside the vehicle body, and the connecting pipe 23 is made of elastic material and can be stretched). The discharged water can extinguish the fire in the vehicle in time and reduce the damage to the vehicle.

[0036] A hollow and elastic connecting block 26 is fixedly connected to the inner wall of the hollow block 14. An air pump 25 is fixedly connected to the inner wall of the connecting block 26, and the air inlet of the air pump 25 extends to the outside of the hollow block 14. When the control valve 24 is opened, the air pump 25 can be opened synchronously with the help of the controller. At this time, the air pump 25 will draw outside gas into the connecting block 26, causing the connecting block 26 to expand. At this time, the expanded connecting block 26 can push the water in the hollow block 14 to pressurize, so that the water can be sprayed on the fire site of the vehicle, thereby improving the fire extinguishing effect.

[0037] Example 2: Figures 6 to 7As shown in the comparative embodiment one, another embodiment of the present invention is as follows: a storage box 27 is fixedly connected to the inner wall side of the hollow block 14 near the connecting block 26; a pressure plate 28 is slidably connected inside the storage box 27; foaming agent is stored below the pressure plate 28; an air inlet is provided on the top surface of the storage box 27 communicating with its interior; a liquid outlet 29 is provided on the bottom surface of the storage box 27 communicating with its interior; and a sealing plate 30 is slidably connected to the bottom surface of the inner wall of the storage box 27 to seal the liquid outlet 29. A magnetic sheet 20 is fixedly connected to the inner wall of the connecting block 26 corresponding to the sealing plate 30. The magnetic sheet 20 is magnetically attracted to the sealing plate 30, which is made of magnetism. When the connecting block 26 expands, the position of the magnetic sheet 20 will move. At this time, the magnetic sheet 20 will drive the sealing plate 30 to move, so that the sealing plate 30 no longer seals the liquid outlet 29. At this time, the foaming agent in the storage box 27 will enter the water and mix with the water. Then, the water sprayed from the connecting pipe 23 will have a certain amount of foam, thereby further improving the fire extinguishing effect on the vehicle.

[0038] Working Principle: When the RV body is rear-ended by another vehicle, the connecting plate 2 initially bears the pressure. This pushes the sliding rod 4, causing the first spring 6 to provide cushioning force. As the connecting plate 2 continues to move, the bracket 5 distributes the pressure to the RV body frame 1, reducing the degree of deformation after impact. Simultaneously, the cushioning force provided by the first spring 6 enhances the safety of the RV body frame 1. The RV body frame 1 is made of high-strength T700 material with a birdcage-like structure, dense frame, and even stress distribution at each support connection point, resulting in minimal deformation and increased structural strength. It can withstand strong impacts from all directions without deformation, making it resistant to high-altitude falls and rollovers. Since the sliding rod 4 and connecting column 3 are connected by the first spring 6, the first spring 6, due to its elasticity, provides cushioning force during vehicle movement. During driving, if there is shaking, the slide bar 4 will slide within the connecting column 3 due to the shaking force, resulting in poor stability of the entire device. At this time, the magnetic ring 9, which is magnetically attracted to the slide bar 4, can be used to position the slide bar 4, thereby improving the stability of the entire device during vehicle movement. At the same time, the attraction between the magnetic ring 9 and the slide bar 4 can also increase the resistance of the slide bar 4 when sliding, thus further improving the buffering force when the RV body frame 1 is rear-ended. While the bracket 5 disperses the impact force to other parts of the RV body frame 1, the steel cable 10 also provides a tension force to the bracket 5. The end of the steel cable 10 (which is in a taut state) away from the bracket 5 is fixed at a place on the RV body frame 1 that is far from the bracket 5. At this time, the steel cable 10 can further disperse the impact force to other parts of the RV body frame 1, thereby further improving the strength of the RV body frame 1 at the rear-ended point.

[0039] When a vehicle is traveling on a relatively remote road with few pedestrians and vehicles, a serious rear-end collision may occur, and other people may not be able to notice the accident in time. The aforementioned mechanism allows the slider 7 to push the gas in the cavity 31 when the RV body frame 1 is rear-ended. This gas will then push open the constriction hole 13, allowing all the red gas to be expelled. Nearby people will then see a large amount of red gas, thus achieving a warning effect. However, since the gas stored in the cavity 31 is quickly expelled by the slider 7, the warning effect is lost if no one is nearby. In this case, the aforementioned mechanism allows the connecting rod 16 to puncture the connecting piece 17 with multiple holes as the slider 7 slides. Gas inside the hollow block 14 will then seep through these holes in the connecting piece 17. The gas is discharged through the round hole 15, allowing it to slowly escape and providing a continuous warning effect. Since the gas inside the hollow block 14 is discharged naturally, without external interference, a significant amount of gas remains inside the hollow block 14 and cannot escape. Through the aforementioned mechanism, when the connecting piece 17 is punctured, the third spring 22 pushes the slider 7, causing the slider 7 to push the water in the storage tank 18. The water then flows from the connecting hole 19 onto the connecting piece 17, and then enters the hollow block 14 through the punctured hole (the punctured hole is relatively small, so the water entering the hollow block 14 also enters slowly). The red gas inside the hollow block 14 is then pushed by the water, thus improving the efficiency of gas entry and exit.

[0040] In the event of a serious rear-end collision, the vehicle may catch fire. In this case, personnel can hold the connecting pipe 23 and aim it at the fire, then open the control valve 24 to allow water from the hollow block 14 to drain from the connecting pipe 23 (the outlet of the connecting pipe 23 is located outside the vehicle compartment, and the connecting pipe 23 is made of elastic material and can be stretched). The drained water can extinguish the fire in time, reducing vehicle damage. When the control valve 24 is opened, the air pump 25 can be opened synchronously with the controller. The air pump 25 will draw outside gas into the connecting block 26, causing the connecting block 26 to expand. The expanded connecting block 26 can pressurize the water in the hollow block 14, allowing the water to be sprayed onto the fire, thereby improving the fire extinguishing effect.

[0041] The terms "front," "back," "left," "right," "top," and "bottom" all refer to the figures in the accompanying drawings. Figure 1 Based on the perspective of the observer, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0042] In the description of this invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this invention.

[0043] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A birdcage type RV body frame structure, characterized by: The utility model provides a kind of birdcage type motor home box body skeleton body (1);A group of supports (5) are fixedly connected on the motor home box body skeleton body (1), connecting column (3) is fixedly connected on the support (5), slidingly connected with slide bar (4) in the connecting column (3), connecting plate (2) is fixedly connected with the end of slide bar (4) away from support (5), first spring (6) is fixedly connected between the end of slide bar (4) away from connecting plate (2) and connecting column (3). Connecting plate (2) is provided with sliding block (7) in the side opening away from support (5), and second spring (8) is fixedly connected between the side of sliding block (7) close to support (5) and the inner wall of connecting plate (2). Sliding block (7) and the inner wall of connecting plate (2) are sealingly connected, and cavity (31) is formed between sliding block (7) and connecting plate (2), a group of air outlets (11) are arranged on the top surface of connecting plate (2) and communicated with cavity (31), elastic sheet (12) is fixedly connected to the inner wall of air outlet (11), and a plurality of shrinkage holes (13) are evenly arranged on elastic sheet (12), and red gas is stored in cavity (31). Hollow block (14) is fixedly connected to the side of connecting plate (2) close to support (5), the end close to connecting plate (2) of hollow block (14) is provided with an opening, and red smoke is stored in hollow block (14), a group of round holes (15) are arranged on the top surface of hollow block (14) and communicated with the inside of hollow block (14), connecting piece (17) is fixedly connected to the inner wall top surface of hollow block (14) and wrapped round hole (15), connecting piece (17) is made of elastic material, a group of connecting rods (16) are fixedly connected to the side of sliding block (7) corresponding to connecting piece (17), the inside of connecting rod (16) and connecting plate (2) are sealingly connected, one end of connecting rod (16) extends into hollow block (14), and the end extending into hollow block (14) is tapered. When sliding block (7) slides, connecting rod (16) pierces connecting piece (17) and forms a plurality of holes, at this time, gas in hollow block (14) penetrates into round hole (15) from the hole on connecting piece (17) and is discharged, at this time, the gas is slowly discharged from round hole (15), so that the effect of continuous warning is realized.

2. The birdcage RV body skeleton structure according to claim 1, characterized in that: Magnetic ring (9) is fixedly connected in the inside of connecting column (3) and magnetically attracts slide bar (4), and slide bar (4) is made of magnetic material.

3. The birdcage RV body skeleton structure according to claim 1, characterized in that: Steel rope (10) is fixedly connected to support (5), and the other end of steel rope (10) is fixedly connected with motor home box body skeleton body (1).

4. The bird cage type RV body frame structure according to claim 1, characterized in that: The connecting plate (2) is internally provided with a storage groove (18), the storage groove (18) is internally and sealingly connected with a push block (21), the push block (21) and the inner wall bottom surface of the storage groove (18) are fixedly connected with a third spring (22), the bottom surface of the connecting plate (2) is provided with a through hole communicated with the storage groove (18), the push block (21) is stored with water above, the connecting plate (2) is internally provided with a connecting hole (19) communicated with the storage groove (18) and the hollow block (14), and the connecting hole (19) is wrapped by the connecting piece (17).

5. The bird cage type RV body frame structure according to claim 4, characterized in that: The bottom surface of the hollow block (14) is communicated with a connecting pipe (23), and the connecting pipe (23) is fixedly installed with a control valve (24).

6. The bird cage type RV body frame structure according to claim 5, characterized in that: The inner wall of the hollow block (14) is fixedly connected with a hollow and elastic connecting block (26), the inner wall of the connecting block (26) is fixedly connected with an air pump (25), and the air inlet end of the air pump (25) extends out of the hollow block (14).

7. The bird cage type RV body frame structure according to claim 6, characterized in that: The inner wall of the hollow block (14) is fixedly connected with a storage box (27) near the connecting block (26), the storage box (27) is internally and sealingly connected with a pressing plate (28), the pressing plate (28) is stored with a foaming agent below, the top surface of the storage box (27) is provided with an air inlet hole communicated with the inside thereof, the bottom surface of the storage box (27) is provided with a liquid outlet hole (29) communicated with the inside thereof, the inner wall bottom surface of the storage box (27) is slidingly connected with a sealing plate (30) sealing the liquid outlet hole (29), the inner wall of the connecting block (26) corresponding to the sealing plate (30) is fixedly connected with a magnetic sheet (20), and the magnetic sheet (20) is magnetically attracted to the sealing plate (30) made of magnetism.

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