Small net type salvage device

By combining a motor, rack, pinion, gear, and handle design with a lubrication system, the problem of switching items between different water distances in small net-type rescue devices has been solved, improving flexibility and precision and increasing the efficiency of rescue missions.

CN224146142UActive Publication Date: 2026-04-21ANHUI SHENGTU FIRE TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANHUI SHENGTU FIRE TECH CO LTD
Filing Date
2025-06-09
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

Existing small net-type rescue devices are difficult to switch quickly when dealing with objects in water at long and short distances, resulting in insufficient equipment flexibility and adaptability.

Method used

The telescopic rescue assembly utilizes a combination of motor, rack, gear, and handle to electrically control the length of the telescopic handle. Combined with the anti-jamming assembly's airbag and lubrication system, it ensures smooth operation of the rack and gear.

Benefits of technology

It enables rapid switching when facing objects in water at different distances, improving the equipment's flexibility, accuracy, and ease of operation, reducing the hassle of manual adjustments, and increasing the efficiency and precision of rescue missions.

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Abstract

The utility model discloses a small-sized net type salvage device, which relates to the technical field of net type salvage, and comprises a frame, the side surface of the frame is fixedly connected with a net panel, the side surface of the net panel is provided with a telescopic salvage component, the telescopic salvage component comprises a connecting frame, and the connecting frame is fixedly connected with the net panel. The telescopic salvaging assembly comprises a frame and a connecting frame, one end of the connecting frame is fixedly connected to the side face of the frame, and the side face of the connecting frame is fixedly connected with a supporting frame. Components such as a motor, a rack, a gear and a grip in the telescopic salvaging assembly are matched with one another, so that the length of the telescopic grip is electrically controlled; the operation distance can be flexibly adjusted according to needs, so that a user can quickly switch when facing long-distance and short-distance water area objects, the trouble of manual adjustment is avoided, the equipment has wider adaptability when facing objects with different distances, and the flexibility, accuracy, adaptability and operability of the equipment are improved.
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Description

Technical Field

[0001] This utility model belongs to the field of net rescue technology, and in particular relates to a small net rescue device. Background Technology

[0002] A small net-type rescue device is a tool typically used for water rescue, salvage, or fishing purposes. It is designed with portability, effectiveness, and versatility in mind. This small net-type rescue device is designed to be simple, practical, and efficient, and can be used in a variety of environments to support water operations.

[0003] According to a public disclosure of an aerial net-shooting rescue net system (Publication No.: CN 103921910 B), a net-shooting device is installed on an aircraft. The net-shooting device includes a launch tube, a rescue net is connected to a lifting rope, the other end of the lifting rope is connected to a winch, the lifting rope is located between the rescue net and the net-shooting power device, the end of the net-shooting power device away from the rescue net is provided with a firing device for driving the net-shooting power device, the display control system is provided with an activation button for triggering the firing device, and the positioning and aiming device includes a direction adjuster for adjusting the direction of the launch tube.

[0004] The aforementioned issue, where the interaction between components such as the launch tube and the direction adjuster makes it difficult for users to quickly switch between retrieving items from distant and nearby waters, results in a lack of broader adaptability and reduces the flexibility of the equipment, which needs improvement. Utility Model Content

[0005] The purpose of this invention is to provide a small net-type rescue device. Through the cooperation of components such as the motor, rack, gear, and handle inside the telescopic rescue assembly, the length of the telescopic handle can be electrically controlled, allowing for flexible adjustment of the operating distance as needed. This enables users to quickly switch between dealing with objects at long and short distances in the water, avoiding the hassle of manual adjustment. It has a wider range of adaptability to objects at different distances, improving the flexibility, accuracy, adaptability, and ease of operation of the device, and solving existing problems.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0007] This utility model relates to a small net-type rescue device, comprising a frame, a net panel fixedly connected to the side of the frame, a retractable rescue component provided on the side of the net panel, the retractable rescue component comprising a connecting frame, one end of the connecting frame fixedly connected to the side of the frame, a support frame fixedly connected to the side of the connecting frame, a motor fixedly connected to the inner wall of the support frame, a gear fixedly connected to the output shaft of the motor, a rack slidably connected to the inner wall of the support frame, a connecting rod fixedly connected to the top of the rack, and a handle fixedly connected to the end of the connecting rod away from the rack.

[0008] Furthermore, the gear and rack mesh with each other, and the gear, rack, and motor are all located on the inner wall of the support frame. This design helps to protect the gear, rack, and motor, prevents them from being directly exposed to the outside, and reduces external interference.

[0009] Furthermore, a limiting rod is fixedly connected to the top of the rack, and the end of the limiting rod away from the rack is slidably connected to the inner wall of the support frame. The design of the limiting rod helps to restrict the movement trajectory of the rack and prevent deviation of the rack's movement trajectory.

[0010] Furthermore, an anti-jamming component is provided on the side of the support frame. The anti-jamming component includes a protective shell, the side of which is fixedly connected to the side of the support frame. An airbag is provided on the inner wall of the support frame, and an oil outlet pipe extends through the top of the airbag. An L-shaped rod is fixedly connected to the top of the connecting rod, and a compression rod is fixedly connected to the side of the L-shaped rod. A groove is provided on the top of the support frame. The airbag is compressed by the compression rod. The airbag contains some lubricant. When the airbag is compressed, lubricating oil flows out from the oil outlet pipe to lubricate the rack and gears and prevent jamming during operation.

[0011] Furthermore, the airbag is located on the displacement trajectory of the extrusion rod, and the end of the oil outlet pipe away from the airbag is located at the top of the groove. This design is beneficial for directly extruding the airbag when the extrusion rod moves.

[0012] Furthermore, a control valve is provided at the top of the oil outlet pipe, and a spring is provided on the inner wall of the airbag. The spring design facilitates the automatic reset of the airbag when it is not compressed.

[0013] Furthermore, the slide groove is located on the displacement trajectory of the L-shaped rod, and a switch is provided on the side of the motor. The opening of the slide groove is conducive to the normal operation of the L-shaped rod and reduces the obstruction that occurs during the operation of the L-shaped rod.

[0014] This utility model has the following beneficial effects:

[0015] 1. This utility model achieves electric control of the length of the telescopic handle through the cooperation of components such as motor, rack, gear, and handle inside the telescopic rescue component. The operating distance can be flexibly adjusted as needed, allowing users to quickly switch between facing objects at long and short distances in the water, avoiding the trouble of manual adjustment. It has a wider range of adaptability when facing objects at different distances, and improves the flexibility, accuracy, adaptability and ease of operation of the equipment.

[0016] 2. This utility model, through the cooperation of components such as the airbag, extrusion rod, and oil outlet pipe inside the anti-jamming component, enables lubricant to drip onto the rack and gear through the oil outlet pipe, which can effectively reduce the friction between the rack and gear. Through the lubrication of the rack and gear, the jamming phenomenon of the handle during the extension and retraction process is greatly reduced, and the operation becomes more flexible and stable. This is crucial for rapid response in rescue missions and can improve the accuracy and efficiency of operation.

[0017] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments 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.

[0019] Figure 1 This is a three-dimensional appearance structure diagram of the present utility model;

[0020] Figure 2 This is a three-dimensional bottom view of the mesh panel structure of this utility model;

[0021] Figure 3 This is a three-dimensional cross-sectional view of the support frame of this utility model;

[0022] Figure 4 This is a three-dimensional enlarged structural diagram of the gear part of this utility model;

[0023] Figure 5 This is a three-dimensional magnified structural diagram of the airbag part of this utility model.

[0024] The attached diagram lists the components represented by each number as follows:

[0025] 1. Frame; 2. Mesh panel; 3. Telescopic rescue assembly; 31. Connecting frame; 32. Support frame; 33. Motor; 34. Gear; 35. Rack; 36. Connecting rod; 37. Handle; 38. Limiting rod; 4. Anti-jamming assembly; 41. Protective shell; 42. Airbag; 43. Spring; 44. Oil outlet pipe; 45. Control valve; 46. L-shaped rod; 47. Extrusion rod; 48. Slide groove. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figures 1-5 This utility model is a small net-type rescue device, including a frame 1, a net panel 2 fixedly connected to the side of the frame 1, a retractable rescue component 3 provided on the side of the net panel 2, the retractable rescue component 3 including a connecting frame 31, one end of the connecting frame 31 fixedly connected to the side of the frame 1, a support frame 32 fixedly connected to the side of the connecting frame 31, a motor 33 fixedly connected to the inner wall of the support frame 32, a gear 34 fixedly connected to the output shaft of the motor 33, a rack 35 slidably connected to the inner wall of the support frame 32, a connecting rod 36 fixedly connected to the top of the rack 35, and a handle 37 fixedly connected to the end of the connecting rod 36 away from the rack 35.

[0028] Gear 34 and rack 35 mesh with each other. Gear 34, rack 35 and motor 33 are all located on the inner wall of support frame 32. This design helps to protect gear 34, rack 35 and motor 33, prevent gear 34, rack 35 and motor 33 from being directly exposed to the outside, and reduce external interference to them.

[0029] A limiting rod 38 is fixedly connected to the top of the rack 35. The end of the limiting rod 38 away from the rack 35 is slidably connected to the inner wall of the support frame 32. The design of the limiting rod 38 helps to limit the movement trajectory of the rack 35 and prevent the movement trajectory of the rack 35 from deviating.

[0030] An anti-jamming component 4 is provided on the side of the support frame 32. The anti-jamming component 4 includes a protective shell 41. The side of the protective shell 41 is fixedly connected to the side of the support frame 32. An airbag 42 is provided on the inner wall of the support frame 32. An oil outlet pipe 44 passes through the top of the airbag 42. An L-shaped rod 46 is fixedly connected to the top of the connecting rod 36. A compression rod 47 is fixedly connected to the side of the L-shaped rod 46. A sliding groove 48 is opened on the top of the support frame 32. The airbag 42 is compressed by the compression rod 47. The airbag 42 contains some lubricant. When the airbag 42 is compressed, lubricating oil will flow out from the oil outlet pipe 44 to lubricate the rack 35 and gear 34 and prevent the rack 35 and gear 34 from jamming during operation.

[0031] The airbag 42 is located on the displacement trajectory of the extrusion rod 47, and the end of the oil outlet pipe 44 away from the airbag 42 is located at the top of the slide groove 48. This design is beneficial to directly extruding the airbag 42 when the extrusion rod 47 moves.

[0032] A control valve 45 is provided at the top of the oil outlet pipe 44, and a spring 43 is provided on the inner wall of the airbag 42. The design of the spring 43 is conducive to the automatic reset of the airbag 42 when it is not compressed.

[0033] The slide 48 is located on the displacement trajectory of the L-shaped rod 46. A switch is provided on the side of the motor 33. The opening of the slide 48 is conducive to the normal operation of the L-shaped rod 46 and reduces the obstruction of the L-shaped rod 46's operation.

[0034] One specific application of this embodiment is as follows: Holding the handle 37, the user operates the mesh panel 2, connecting frame 31, and support frame 32, using the mesh panel 2 for rescue operations. When the handle 37 needs to be extended, the motor 33 is started. The motor 33 rotates forward, driving the gear 34 to rotate forward. The gear 34 and rack 35 mesh with each other. When the gear 34 rotates forward, it drives the rack 35 to move from inside the support frame 32 to outside, causing the rack 35 to slide on the inner wall of the support frame 32. As the rack 35 moves from inside the support frame 32 to outside, it drives the connecting rod 36 and handle 37 to move, causing part of the connecting rod 36 located inside the support frame 32 to extend, increasing the longitudinal length of the handle 37, facilitating the rescue of items at greater distances. When the length of the handle 37 needs to be shortened, the motor 33 is started, and the motor 33 rotates in reverse. Reversing gear 34 will cause gear 34 to reverse, which in turn will cause rack 35 to move inward toward the support frame 32. This will cause connecting rod 36 to move from outside the support frame 32 to inside, causing connecting rod 36 and handle 37 to retract into the support frame 32, shortening the length of handle 37. This is suitable for retrieving items that are relatively close. By electrically controlling the length of the telescopic handle 37, the operating distance can be flexibly adjusted as needed. This allows users to quickly switch between dealing with items at long and short distances in the water, avoiding the hassle of manual adjustment. The electrically driven telescopic design provides more precise length control, enabling users to retrieve items more accurately in different operating scenarios. It also has a wider range of adaptability when dealing with objects at different distances, improving the flexibility, accuracy, adaptability, and ease of operation of the equipment.

[0035] The connecting rod 36 moves from outside the support frame 32 to inside the support frame 32. This movement of the connecting rod 36 drives the L-shaped rod 46 and the squeezing rod 47 to move closer to the airbag 42. The airbag 42 is located on the movement trajectory of the squeezing rod 47. When the squeezing rod 47 moves, it squeezes the airbag 42. The airbag 42 contains lubricant. When the airbag 42 is squeezed, the gas inside is compressed, increasing the internal pressure. However, the lubricant is incompressible. The squeezing causes the lubricant to flow within the airbag 42 and is pushed towards the outlet pipe 44. Turning the control valve 45 opens the outlet pipe 44, allowing the lubricant to flow out. The end of the outlet pipe 44 furthest from the airbag 42 is located at the top of the rack 35 and gear 34. The flowing lubricant drips onto the rack 35 and gear 34. The rack 35 and gear 34 are lubricated to prevent friction during operation and reduce jamming during operation of the connecting rod 36 and handle 37. Lubricant drips onto the rack 35 and gear 34 through the oil outlet pipe 44, effectively reducing friction between them. This not only reduces wear but also extends the service life of the rack 35, gear 34, and connecting components, thereby improving the reliability of the device. The lubricant inside the air bladder 42 flows under pressure, ensuring that the air bladder 42 will not be damaged due to prolonged stress during equipment use. The compression of the gas inside the air bladder 42 not only maintains the good operating condition of the lubrication system but also provides necessary protection for the entire system, avoiding problems such as insufficient or uneven lubrication. The timely flow of lubricant and the effective lubrication of the rack 34 and gear 35 can reduce energy loss caused by friction, making the entire device more efficient during operation. This has a significant effect on improving working speed and reducing energy waste. By lubricating the rack 35 and gear 34, the jamming of the handle 37 during the extension and retraction process is greatly reduced, making the operation more flexible and smooth. This is crucial for rapid response in rescue missions and can improve the accuracy and efficiency of operation.

[0036] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0037] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A compact net-type rescue device comprising a border frame (1), characterised in that: A mesh panel (2) is fixedly connected to the side of the frame (1), and a retractable rescue component (3) is provided on the side of the mesh panel (2). The retractable rescue assembly (3) includes a connecting frame (31), one end of which is fixedly connected to the side of the frame (1). A support frame (32) is fixedly connected to the side of the connecting frame (31). A motor (33) is fixedly connected to the inner wall of the support frame (32). A gear (34) is fixedly connected to the output shaft of the motor (33). A rack (35) is slidably connected to the inner wall of the support frame (32). A connecting rod (36) is fixedly connected to the top of the rack (35). A handle (37) is fixedly connected to the end of the connecting rod (36) away from the rack (35).

2. A compact net-type rescue device according to claim 1, characterized in that The gear (34) and rack (35) mesh with each other, and the gear (34), rack (35) and motor (33) are all located on the inner wall of the support frame (32).

3. A compact net-type rescue device according to claim 2, characterized in that A limiting rod (38) is fixedly connected to the top of the rack (35), and the end of the limiting rod (38) away from the rack (35) is slidably connected to the inner wall of the support frame (32).

4. A compact net fender device according to claim 3, characterized in that The support frame (32) is provided with an anti-jamming component (4) on its side. The anti-jamming component (4) includes a protective shell (41). The side of the protective shell (41) is fixedly connected to the side of the support frame (32). An airbag (42) is provided on the inner wall of the support frame (32). An oil outlet pipe (44) passes through the top of the airbag (42). An L-shaped rod (46) is fixedly connected to the top of the connecting rod (36). An extrusion rod (47) is fixedly connected to the side of the L-shaped rod (46). A sliding groove (48) is provided on the top of the support frame (32).

5. A compact net fender device according to claim 4, characterized in that The airbag (42) is located on the displacement trajectory of the extrusion rod (47), and the end of the oil outlet pipe (44) away from the airbag (42) is located at the top of the groove (48).

6. A compact net fender device according to claim 5, characterized in that A control valve (45) is provided at the top of the oil outlet pipe (44), and a spring (43) is provided on the inner wall of the airbag (42).

7. A compact net fender device according to claim 6, characterized in that The slide (48) is located on the displacement trajectory of the L-shaped rod (46), and a switch is provided on the side of the motor (33).

Citation Information

Patent Citations

  • An aerial shooting net type salvage net system

    CN103921910B