Resistance parachute mechanism convenient to fold and unfold

Abstract

The utility model discloses a drag parachute mechanism convenient to fold and unfold in the drag parachute field, which comprises a positioning plate, a box body, a drag parachute body and a shell, the box body is fixedly connected to the right side wall of the positioning plate, the drag parachute body is located on the right side of the box body, and the shell is fixedly connected to the middle of the lower side of the right side wall of an inner cavity of the box body. A belt is fixedly connected to the left side wall of the positioning plate, a partition plate is fixedly connected between the upper sides of the inner side walls of the box body, a motor is fixedly connected to the middle of the top of the partition plate, and the output end of the motor penetrates through the middle of the top of the partition plate and extends to the lower side of the partition plate. The drag parachute can be folded and unfolded in a time-saving and labor-saving manner and is convenient to use, the storage mechanism can be conveniently locked, the folded drag parachute is not prone to being fluffy inside the storage mechanism and not prone to being unfolded outside the storage mechanism, and the use efficiency of the drag parachute is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of drag chutes, in particular to a drag chute mechanism that is convenient for retracting and deploying. Background Technique

[0002] A drag chute, also known as a deceleration chute, is a parachute-shaped tool used to reduce the ground roll speed of an aircraft during landing. It usually consists of a main parachute, a pilot chute, and a parachute bag, etc. With the continuous development of China's economy and the continuous improvement of people's living standards, drag chutes are also widely used as training aids in training programs such as track and field, ball games, and swimming. During the training process, it can well achieve the unity of speed training and strength training.

[0003] Currently, during the use of drag chutes, due to the simple structure of existing drag chutes, it is not convenient for quick retraction and deployment, making the retraction and deployment of drag chutes time-consuming and laborious and not easy to use. At the same time, in the above problems, it is not convenient to lock the storage mechanism of the drag chute, resulting in the drag chute being prone to fluff inside the storage mechanism or being prone to unfolding outside the storage mechanism after being stored, reducing the use efficiency of the drag chute. For this reason, we propose a drag chute mechanism that is convenient for retracting and deploying. Content of the Utility Model

[0004] The purpose of the utility model is to provide a drag chute mechanism that is convenient for retracting and deploying, so as to solve the problems mentioned in the above background technique that the existing drag chute has a simple structure and is not convenient for quick retraction and deployment, making the retraction and deployment of the drag chute time-consuming and laborious and not easy to use. At the same time, in the above problems, it is not convenient to lock the storage mechanism of the drag chute, resulting in the drag chute being prone to fluff inside the storage mechanism or being prone to unfolding outside the storage mechanism after being stored, reducing the use efficiency of the drag chute.

[0005] To achieve the above object, the utility model provides the following technical solution: a drag parachute mechanism which is convenient for retracting and deploying, comprising a positioning plate, a box body, a drag parachute body and a housing. The box body is fixedly connected to the right side wall of the positioning plate. The drag parachute body is located on the right side of the box body. The housing is fixedly connected to the middle of the lower side of the right side wall of the inner cavity of the box body. A waist belt is fixedly connected to the left side wall of the positioning plate. A partition is fixedly connected between the upper sides of the inner side walls of the box body. A motor is fixedly connected to the middle of the top of the partition. The output end of the motor penetrates through the middle of the top of the partition and extends to the lower side of the partition. The output end of the motor is fixedly connected to a rotating shaft. The rotating shaft is rotatably connected to the middle of the bottom of the inner cavity of the box body. A winding roller is sleeved on the outer side wall of the rotating shaft. A through hole is formed in the middle of the right side wall of the box body. A transmission roller is rotatably connected between the front side and the rear side of the inner side wall of the through hole. A lead screw is rotatably connected to the lower side of the left side wall of the inner cavity of the housing. The lead screw penetrates through the lower side of the right side wall of the inner cavity of the box body and extends to the right side of the box body. A handle is fixedly connected to the right end of the lead screw. A bracket is threadedly connected to the outer side wall of the lead screw. The bracket penetrates through the upper side of the left side wall of the inner cavity of the housing and extends to the left side of the housing. A clamping sleeve is fixedly connected to the left end of the housing.

[0006] As a further description of the above technical solution:

[0007] An independent battery is fixedly connected to the right side of the top of the partition. The independent battery is a dry battery.

[0008] As a further description of the above technical solution:

[0009] A control panel is fixedly connected to the upper side of the right side wall of the box body. The control panel is electrically connected to the independent battery and the motor.

[0010] As a further description of the above technical solution:

[0011] An elastic cord is fixedly connected to the right end of the drag parachute body. The end of the elastic cord is fixedly connected to a positioning ring. The positioning ring is made of aluminum alloy material.

[0012] As a further description of the above technical solution:

[0013] A positioning rope is fixedly connected to the left end of the drag parachute body. The positioning ropes are annularly distributed. The positioning ropes penetrate through the inner cavity of the through hole and are wound around the outer side wall of the winding roller.

[0014] As a further description of the above technical solution:

[0015] An anti-slip pad is fixedly connected to the inner side wall of the clamping sleeve. The anti-slip pad is made of rubber material.

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0017] 1. For the drag parachute mechanism that is convenient for retracting and deploying, the motor is started by controlling through the control panel, and electrical energy is provided to the motor by an independent battery, driving the motor to drive the winding roller to rotate in cooperation with the rotating shaft, and driving the winding roller to drive the positioning rope to compress the drag parachute body between the transmission rollers. At the same time, due to the different rotation speeds of the winding roller and the transmission rollers, the drag parachute body is tightened between the transmission roller and the winding roller, and then the right end of the drag parachute body is positioned by the positioning sleeve on the handle, making the drag parachute convenient for quick retraction and deployment, saving time and effort in retracting and deploying the drag parachute, and being convenient for use.

[0018] 2. For the drag parachute mechanism that is convenient for retracting and deploying, by setting the handle to drive the lead screw to rotate, the bracket that restricts the rotation of the manual housing is driven to move to the left, the bracket drives the clamping sleeve to contact the rotating shaft, and the clamping sleeve cooperates with the anti-slip pad to restrict the rotation of the rotating shaft, making the drag parachute convenient for locking the storage mechanism, so that the drag parachute is not easy to fluff inside the storage mechanism after being stored and is not easy to deploy outside the storage mechanism, improving the use efficiency of the drag parachute. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 FIG. 1 is a front view structural schematic diagram of a drag parachute mechanism that is convenient for retracting and deploying proposed by the present utility model;

[0020] Figure 2 FIG. 2 is a front view sectional structural schematic diagram of a drag parachute mechanism that is convenient for retracting and deploying proposed by the present utility model;

[0021] Figure 3 FIG. 3 is a Figure 2 magnified structural schematic diagram of part A in a drag parachute mechanism that is convenient for retracting and deploying proposed by the present utility model;

[0022] Figure 4 FIG. 4 is a Figure 2 magnified structural schematic diagram of part B in a drag parachute mechanism that is convenient for retracting and deploying proposed by the present utility model.

[0023] In the figures: 100, positioning plate; 110, waist belt; 200, box body; 210, partition; 220, independent battery; 230, motor; 240, rotating shaft; 250, winding roller; 260, through hole; 270, transmission roller; 280, control panel; 300, drag parachute body; 310, elastic cord; 320, positioning ring; 400, housing; 410, lead screw; 420, handle; 430, bracket; 440, clamping sleeve; 450, anti-slip pad. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0025] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model. In addition, the features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "plurality" is two or more.

[0026] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and defined, the terms "mounted", "connected" and "connected" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0027] The present utility model provides a drag parachute mechanism that is convenient for retracting and deploying, facilitating quick retraction and deployment and facilitating locking of the storage mechanism. Please refer to Figures 1-4 which includes a positioning plate 100, a box body 200, a drag parachute body 300 and a housing 400;

[0028] Please refer to again Figures 1-4 wherein a belt 110 is used to cooperate with the positioning plate 100 to provide convenience for carrying the box body 200. The left side wall of the positioning plate 100 is fixedly connected with the belt 110, and the positioning plate 100 is used to support the box body 200, the drag parachute body 300 and the housing 400;

[0029] Please refer to again Figures 1-4, a partition 210 is fixedly connected between the upper sides of the inner side walls of the box body 200. The partition 210 is used to divide the internal space of the box body 200. In the middle of the top of the partition 210, a motor 230 is fixedly connected. The output end of the motor 230 penetrates through the middle of the top of the partition 210 and extends to the lower side of the partition 210. The output end of the motor 230 is fixedly connected with a rotating shaft 240, and the rotating shaft 240 is rotatably connected to the middle of the bottom cavity of the box body 200. A winding roller 250 is sleeved on the outer side wall of the rotating shaft 240. The motor 230 is used to drive the winding roller 250 to rotate in cooperation with the rotating shaft 240. A through hole 260 is opened in the middle of the right side wall of the box body 200. The through hole 260 provides space for installing the transmission roller 270. A transmission roller 270 is rotatably connected between the front side and the rear side of the inner side wall of the through hole 260. The transmission roller 270 is used to limit the winding speed of the drag parachute body 300. The box body 200 is fixedly connected to the right side wall of the positioning plate 100. The box body 200 is used to provide space for accommodating the drag parachute body 300;

[0030] Please refer to again Figures 1-4 , the drag parachute body 300 is located on the right side of the box body 200. The drag parachute body 300 is used to provide moving pressure for the moving personnel;

[0031] Please refer to again Figures 1-4 , a lead screw 410 is rotatably connected to the lower side of the left inner side wall of the housing 400. The lead screw 410 penetrates through the lower side of the right inner side wall of the box body 200 and extends to the right side of the box body 200. A handle 420 is fixedly connected to the right end of the lead screw 410. The handle 420 is used to drive the lead screw 410 to drive the bracket 430 to move left and right. A bracket 430 is threadedly connected to the outer side wall of the lead screw 410. The bracket 430 penetrates through the upper side of the left inner side wall of the housing 400 and extends to the left side of the housing 400. The bracket 430 is used to support the clamping sleeve 440. A clamping sleeve 440 is fixedly connected to the left end of the housing 400. The clamping sleeve 440 is used to limit the rotation of the rotating shaft 240. The housing 400 is fixedly connected to the middle of the lower side of the right inner side wall of the box body 200. The housing 400 is used to limit the rotation of the bracket 430.

[0032] Please refer to again Figures 1-4 , an independent battery 220 is fixedly connected to the right side of the top of the partition 210. The independent battery 220 is a dry battery. The independent battery 220 formed by the dry battery has high safety.

[0033] Please refer to again Figures 1-4 , a control panel 280 is fixedly connected to the upper side of the right side wall of the box body 200. The control panel 280 is electrically connected to the independent battery 220 and the motor 230. The start and stop of the independent battery 220 and the motor 230 can be controlled through the control panel 280.

[0034] Please refer to againFigures 1-4 At the right end of the drag parachute body 300, an elastic cord 310 is fixedly connected. At the end of the elastic cord 310, a positioning ring 320 is fixedly connected. The positioning ring 320 is made of aluminum alloy material. The positioning ring 320 made of aluminum alloy material has high strength and corrosion resistance.

[0035] Please refer to again Figures 1-4 At the left end of the drag parachute body 300, a positioning rope 330 is fixedly connected. And the positioning ropes 330 are annularly distributed. The positioning ropes 330 penetrate through the inner cavity of the through hole 260 and are wound around the outer side wall of the winding roller 250. The drag parachute body 300 can be driven to wind up through the positioning ropes 330.

[0036] Please refer to again Figures 1-4 On the inner side wall of the jacket 440, an anti-slip pad 450 is fixedly connected. The anti-slip pad 450 is made of rubber material. The anti-slip pad 450 made of rubber material has high anti-slip performance.

[0037] In summary, by controlling the motor 230 to start through the control panel 280, and providing electrical energy to the motor 230 through the independent battery 220, driving the motor 230 to drive the winding roller 250 to rotate in cooperation with the rotating shaft 240, and driving the winding roller 250 to drive the positioning ropes 330 to compress the drag parachute body 300 between the transmission rollers 270. At the same time, due to the different rotation speeds of the winding roller 250 and the transmission rollers 270, the drag parachute body 300 is tightened between the transmission rollers 270 and the winding roller 250. Then, the right end of the drag parachute body 300 is positioned by sleeving the positioning ring 320 on the handle 420, so that the drag parachute is convenient to quickly wind up and unwind, saving time and effort in winding up and unwinding the drag parachute and being convenient to use.

[0038] In summary, by driving the screw rod 410 to rotate through the provided handle 420, driving the bracket 430 that restricts the rotation of the manual housing 400 to move to the left, the bracket 430 drives the jacket 440 to contact the rotating shaft 240, and driving the jacket 440 to cooperate with the anti-slip pad 450 to restrict the rotation of the rotating shaft 240, so that the drag parachute is convenient to lock the storage mechanism, making it not easy for the drag parachute to fluff inside the storage mechanism after being stored and not easy to unfold outside the storage mechanism, improving the use efficiency of the drag parachute.

[0039] In specific use, those skilled in the art first manually lay the drag parachute body 300 flat on the platform, then operate the control panel 280 to start the motor 230. Next, the independent battery 220 starts to supply power to the motor 230, and then the motor 230 drives the rotating shaft 240 and the winding roller 250 to rotate. Then, the positioning rope 330 exerts force to pull the drag parachute body 300 to move to the right through between the output transmission rollers 270. The extrusion between the transmission rollers 270 makes the drag parachute body 300 flatter. Then, due to the different rotational speeds of the winding roller 250 and the transmission rollers 270, the drag parachute body 300 is tightened between the transmission rollers 270 and the winding roller 250 until only the positioning ring 320 is on the right side of the box body 200. Then, hold the handle 420 and rotate the lead screw 410. The lead screw 410 drives the bracket 430 to drive the clamping sleeve 440 to contact the rotating shaft 240 until the anti-slip pad 450 completely contacts the rotating shaft 240. Finally, put the positioning ring 320 on the handle 420 to complete the storage.

[0040] In the description of this specification, the descriptions referring to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0041] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the claims and their equivalents.

Claims

1. A drag parachute mechanism that is easy to retract, characterized in that: The invention comprises a positioning plate (100), a box (200), a drag parachute body (300) and a shell (400), wherein the box (200) is fixedly connected to the right side wall of the positioning plate (100), the drag parachute body (300) is located on the right side of the box (200), the shell (400) is fixedly connected to the middle of the lower side of the right side wall of the inner cavity of the box (200), the left side wall of the positioning plate (100) is fixedly connected to a waist belt (110), a partition (210) is fixedly connected between the upper sides of the inner side walls of the box (200), a motor (230) is fixedly connected to the middle of the top of the partition (210), and the output end of the motor (230) passes through the middle of the top of the partition (210) and extends to the lower side of the partition (210), the output end of the motor (230) is fixedly connected to a rotating shaft (240), and the rotating shaft (240) is rotatably connected to the rotating shaft (240) at the bottom of the partition (210). In the middle of the bottom of the inner cavity of the box body (200), the outer wall of the rotating shaft (240) is sleeved with a winding roller (250), a through hole (260) is opened in the middle of the right side wall of the box body (200), a transmission roller (270) is rotatably connected between the front side of the inner wall and the rear side of the inner wall of the through hole (260), and a screw rod (410) is rotatably connected to the lower side of the left side wall of the inner cavity of the shell (400), and the screw rod (410) passes through the box body (2 00), and extends to the right side of the box body (200); the right end of the screw rod (410) is fixedly connected to a handle (420); the outer wall of the screw rod (410) is threadedly connected to a bracket (430), and the bracket (430) passes through the upper side of the left side wall of the inner cavity of the shell (400) and extends to the left side of the shell (400); the left end of the shell (400) is fixedly connected to a jacket (440).

2. The drag parachute mechanism that is easy to retract and deploy according to claim 1, characterized in that: An independent battery (220) is fixedly connected to the right side of the top of the partition (210), and the independent battery (220) is a dry cell battery.

3. The drag parachute mechanism that is easy to retract and deploy according to claim 1, characterized in that: A control panel (280) is fixedly connected to the upper side of the right side wall of the box body (200), and the control panel (280) is electrically connected to the independent battery (220) and the motor (230).

4. The drag parachute mechanism that is easy to retract and deploy according to claim 1, characterized in that: The right end of the drag parachute body (300) is fixedly connected to an elastic rope (310), and the end of the elastic rope (310) is fixedly connected to a positioning ring (320), and the positioning ring (320) is made of aluminum alloy.

5. The drag parachute mechanism that is easy to retract and deploy according to claim 1, characterized in that: The left end of the drag parachute body (300) is fixedly connected with a positioning rope (330), and the positioning rope (330) is distributed in a ring shape. The positioning rope (330) passes through the inner cavity of the through hole (260) and is wound around the outer wall of the winding roller (250).

6. The drag parachute mechanism that is easy to retract as claimed in claim 1, characterized in that: The inner side wall of the jacket (440) is fixedly connected with an anti-skid pad (450), and the anti-skid pad (450) is made of rubber material.

Images