High-performance waterproof connector applied to flight control system of unmanned aerial vehicle
By designing a snap-fit structure, protective plate, and reinforcing ribs for the waterproof connector in the UAV flight control system, the problem of connector loosening during UAV crashes was solved, achieving high impact resistance and stability of the connector and ensuring reliable transmission of electrical signals.
Patent Information
- Application Number
- CN202520129727.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-01-20
AI Technical Summary
The connectors used in the drone flight control system are prone to loosening due to strong vibration and impact during a crash, resulting in unstable signal transmission or open circuits. Existing connectors have poor impact resistance.
A high-performance waterproof connector was designed, which uses a male and female shell that are mated together and locked together by a snap-fit structure. Protective plates, protective ribs and reinforcing ribs are set on the male and female shells to enhance the structural strength. At the same time, an elastic groove is set on the male terminal to buffer vibration and shock, ensuring the stability of the electrical connection.
The structural strength and stability of the connector have been improved, reducing the possibility of connector loosening and poor contact caused by drone crashes, and ensuring stable transmission of electrical signals.
Smart Images

Figure CN223828798U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electrical connector technical field especially relates to a kind of high-performance waterproof connectors mainly applied to unmanned aerial vehicle flight control system. BACKGROUND
[0002] Connector is the important device for realizing electrical connection, mainly used for transmission power or electrical signal. In unmanned aerial vehicle, connector is also inevitably needed to use, but the connector used in unmanned aerial vehicle exists special requirement relative to the connector of ordinary electrical equipment. This is because, in the process of unmanned aerial vehicle falling, strong instantaneous impact can be generated, and the male end and female end of connector can be loosened due to strong vibration and impact, resulting in poor contact. But the current unmanned aerial vehicle still uses the connector existing on the market, which leads to the loosening generated after impact, which can cause unstable signal transmission or open circuit in subsequent flight, and further affect the normal work of unmanned aerial vehicle. SUMMARY
[0003] The utility model provides a kind of high-performance waterproof connectors applied to unmanned aerial vehicle flight control system in view of the defects, such as poor impact resistance of ordinary connector in prior art, more easily loosened or even cracked when impact is stronger, with more reasonable structure design, higher structural strength, better impact resistance, higher connection stability and reliability.
[0004] To solve the above technical problems, the utility model adopts the following technical scheme: a kind of high-performance waterproof connectors applied to unmanned aerial vehicle flight control system, including male shell, female shell and conductive terminal, male shell and female shell are respectively provided with male end hole and female end hole for installing conductive terminal, male shell and female shell are locked by buckle structure after being inserted into each other and make conductive terminal mutually butt joint to realize electrical connection, sealing ring is arranged between male shell and female shell;The position of the male shell on the two sides of buckle structure is provided with protruding protective plate, and the buckle structure on the male shell is enclosed in the middle by the protective plate on both sides;The position of the female shell on the two sides of buckle structure is provided with protruding protective rib, and the buckle structure on the female shell is enclosed in the middle by the protective rib on both sides;Reinforcing rib is arranged on the insertion end of female shell, and the reinforcing structure of insertion end of female shell is formed by reinforcing rib.
[0005] Further, the buckle structure includes buckle and fixed block, and the buckle and fixed block are arranged on the male shell and female shell respectively, and the male shell and female shell are locked by buckle and fixed block after being inserted into each other.
[0006] Furthermore, the buckle is set on the outer wall of the male shell, and the two protective plates surround the buckle in the middle; the buckle block is set on the outer wall of the insertion end of the female shell, and the two protective ribs surround the buckle block in the middle; after the male shell and the female shell are inserted and fixed, the buckle and the buckle block are surrounded together in the middle by the two protective plates and the two protective ribs.
[0007] Preferably, the reinforcing rib and the mother shell are an integral structure, and the reinforcing rib extends from the outside of the protective rib along the surface of the mother shell in a direction perpendicular to the axial direction of the mother shell to the other side of the mother shell to form a ring structure.
[0008] Preferably, a number of auxiliary ribs are provided on the surface of the insertion end of the mother shell, and the auxiliary ribs are vertically connected with the reinforcing ribs to form an integral structure.
[0009] Furthermore, the conductive terminal includes a male terminal and a female terminal. The female terminal is installed in the male housing, and the male terminal is installed in the female housing. After the male housing and the female housing are inserted into each other, the insertion section of the male terminal is inserted into the female terminal to achieve electrical connection, and the insertion section of the male terminal is pressed by the spring arm of the female terminal.
[0010] Furthermore, the side of the male terminal's insertion section is provided with an elastic groove to form an elastic buffer space, and the insertion section of the male terminal forms a non-closed solid structure.
[0011] Furthermore, limiting protrusions are provided on the bottom surface of the male terminal's wiring section and the bottom surface of the female terminal, respectively, and limiting grooves are provided axially on the bottom surface of the male terminal hole and the bottom surface of the female terminal hole, respectively. The limiting protrusion of the female terminal is embedded in the limiting groove of the male terminal hole, and the limiting protrusion of the male terminal is embedded in the limiting groove of the female terminal hole.
[0012] When used as a wire-to-board connector, a male end sealing gasket is provided at the tail of the male housing to seal the female terminal. The wires connected to the female terminal are sealed and connected through the male end sealing gasket. A male end limiting member is provided on the outside of the male end sealing gasket to fix the male end sealing gasket. The male end limiting member is assembled and fixed with the male housing.
[0013] When used as a wire-to-wire connector, a female end sealing gasket is provided at the tail of the female housing to seal the male terminal. The wire connected to the male terminal is sealed and connected through the female end sealing gasket. A female end limiting member is provided on the outside of the female end sealing gasket to fix the female end sealing gasket. The female end limiting member is assembled and fixed with the female housing.
[0014] The utility model discloses a reinforcing rib is set up on the female casing, can reduce the possibility of the female casing insertion end crack caused by strong impact, thereby improve the structural strength of product, and the first protective plate and the protective rib are set up for blocking the buckle structure, can prevent the unmanned plane falling and damaging the buckle structure because of the collision, and the insertion segment of the male terminal is set up as the structure that leaves the elastic space, can play the buffering effect, prevents the instantaneous vibration impact to the insertion part of male terminal and causes the irreversible damage, so can greatly reduce the connector connection loose or the contact bad condition caused by the unmanned plane falling instantaneous vibration impact. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the stereogram of male and female end combination state when the utility model is as wire to wire connector.
[0016] Figure 2 It is the sectional structure diagram of male and female end combination state.
[0017] Figure 3 It is the exploded view of the utility model.
[0018] Figure 4 It is the structure diagram of female terminal in male casing.
[0019] Figure 5 It is the structure diagram of female casing.
[0020] Figure 6 It is the structure diagram of male terminal.
[0021] Figure 7 It is the stereogram of male and female end combination state when the utility model is as wire to board connector.
[0022] In the drawing, 1 is male casing, 11 is male terminal hole, 12 is limiting groove, 13 is buckle, 14 is protective plate, 2 is female casing, 21 is female terminal hole, 22 is limiting groove, 23 is buckle block, 24 is protective rib, 25 is reinforcing rib, 26 is auxiliary rib, 3 is male terminal, 31 is insertion segment, 32 is wiring segment, 33 is elastic groove, 34 is limiting convex part, 4 is female terminal, 41 is elastic arm, 42 is limiting convex part, 5 is sealing ring, 6 is male terminal sealing pad, 7 is male terminal limiting piece, 8 is female terminal sealing pad, 9 is female terminal limiting piece. DETAILED DESCRIPTION
[0023] In the embodiment, refer to Figures 1-6The utility model provides a kind of high-performance waterproof connector applied to unmanned aerial vehicle flight control system, including male shell 1, female shell 2 and conductive terminal, and the conductive terminal includes male terminal 3 and female terminal 4, male shell 1 and female shell 2 respectively are provided with male end hole 11 and female end hole 21 for installing female terminal 4 and male terminal 3, male shell 1 and female shell 2 are locked by buckle structure after being inserted to each other and make male terminal 3 and female terminal 4 mutually butt joint to realize electrical connection, sealing ring 5 is arranged between male shell 1 and female shell 2, and sealing ring 5 is clamped on male shell 1, for forming waterproof sealing structure of the butt joint part of two;Rising protective plate 14 is arranged on the position of male shell 1 at the both sides of buckle structure, and buckle structure located on male shell 1 is enclosed in the middle by the both sides of protective plate 14;Rising protective rib 24 is arranged on the position of female shell 2 at the both sides of buckle structure, and buckle structure located on female shell 2 is enclosed in the middle by the both sides of protective rib 24;Reinforcing rib 25 is arranged on the peripheral of the insertion end of female shell 2, and reinforcing structure of the insertion end of female shell 2 is formed by reinforcing rib 25, so that even if the connector is subjected to strong impact, the insertion end of female shell 2 can be ensured not to be easily broken.
[0024] Buckle structure includes buckle 13 that can be pressed and fixed buckle block 23, and buckle 13 and buckle block 23 are respectively arranged on male shell 1 and female shell 2, and male shell 1 and female shell 2 are inserted to each other and are fixed by buckle 13 and buckle block 23.
[0025] Buckle 13 is arranged on the outer wall of male shell 1, and two protective plates 14 enclose buckle 13 in the middle;Buckle block 23 is arranged on the outer wall of the insertion end of female shell, and two protective ribs 24 enclose buckle block 23 in the middle;After male shell 1 and female shell 2 are inserted and fixed, buckle 13 and buckle block 23 are enclosed in the middle by two protective plates 14 and two protective ribs 24, so that even if impact occurs, buckle 13 and buckle block 23 will not be hit, so that buckle structure can be prevented from being damaged.
[0026] Reinforcing rib 25 and female shell 2 are integrated structure, and reinforcing rib 25 extends to the other side of female shell 2 from the outside of protective rib 14 along the surface of female shell 2 in the direction perpendicular to the axial direction of female shell 2 to form ring structure, but not necessarily complete ring.
[0027] A plurality of auxiliary ribs 26 are arranged on the surface of the insertion end of female shell 2, and auxiliary rib 26 and reinforcing rib 25 are connected perpendicularly to form integrated structure, so that the structural strength of the insertion end of female shell 2 can be further strengthened.
[0028] After male shell 1 and female shell 2 are inserted, the insertion segment 31 of male terminal 3 is inserted into female terminal 4 to realize electrical connection, and the insertion segment 31 of male terminal 3 is pressed by the elastic arm 41 of female terminal 4.
[0029] The plug-in section side of the male terminal 3 is provided with an elastic groove 33 to form an elastic buffer space, and the plug-in section of the male terminal 3 forms a non-closed solid structure. The conventional process will be pressed into a solid structure, and the utility model leaves an elastic space on the plug-in section 31, which can prevent damage due to large vibration.
[0030] The bottom surface of the wiring section 32 of the male terminal 3 and the bottom surface of the female terminal 4 are respectively provided with a limiting protrusion 34, 42, and the bottom surface of the male terminal hole 11 and the bottom surface of the female terminal hole 21 are respectively provided with a limiting groove 12, 22 along the axial direction. The limiting protrusion 42 of the female terminal 4 is embedded in the limiting groove 12 of the male terminal hole 11, and the limiting protrusion 34 of the male terminal 3 is embedded in the limiting groove 21 of the female terminal hole 21. In this way, the function of guiding and limiting can be achieved, and the position deviation of the male terminal 3 and the female terminal 4 due to vibration can be prevented.
[0031] When the connector is used as a wire-to-wire connector, the female housing 2 is longer, and in addition to the male sealing gasket 6 for sealing the female terminal 4 arranged at the tail of the male housing 1, a female sealing gasket 8 for sealing the male terminal 3 is arranged at the tail of the female housing 2. The wire connected with the male terminal 3 is sealed into the connector through the female sealing gasket 8 to prevent water from entering the connector along the wire; a female limiting piece 9 is arranged outside the female sealing gasket 8 to fix the female sealing gasket 8, and the female limiting piece 9 is assembled and fixed with the female housing 2.
[0032] As shown in Figure 7 When the connector is used as a wire-to-wire connector, the female housing 2 is shorter, and only the male sealing gasket 6 for sealing the female terminal 4 is arranged at the tail of the male housing 1. The wire connected with the female terminal 4 is sealed into the connector through the male sealing gasket 6 to prevent water from entering the connector along the wire; a male limiting piece 7 is arranged outside the male sealing gasket 6 to fix the male sealing gasket 6, and the male limiting piece 7 is assembled and fixed with the male housing 1.
[0033] The above has made a detailed description of the utility model, the above is only a preferred embodiment of the utility model, and cannot limit the scope of the utility model, that is, any equivalent changes and modifications made within the scope of the application shall still fall within the scope of the utility model.
Claims
1. A high-performance waterproof connector for use in a UAV flight control system, comprising a male housing, a female housing, and conductive terminals, wherein the male housing and the female housing are respectively provided with male end holes and female end holes for installing the conductive terminals, and the male housing and the female housing are interlocked by a snap-fit structure to achieve electrical connection by connecting the conductive terminals, and a sealing ring is provided between the male housing and the female housing, characterized in that: Raised protective plates are provided on both sides of the snap-fit structure on the male shell, which enclose the snap-fit structure in the middle; raised protective ribs are provided on both sides of the snap-fit structure on the female shell, which enclose the snap-fit structure in the middle; reinforcing ribs are provided around the insertion end on the female shell, which form a reinforcing structure for the insertion end of the female shell.
2. The high-performance waterproof connector for use in UAV flight control systems according to claim 1, characterized in that: The buckle structure includes a pressable buckle and a fixed buckle block. The buckle and the buckle block are respectively set on the male shell and the female shell. After the male shell and the female shell are inserted into each other, they are fastened to the buckle block by the buckle.
3. The high-performance waterproof connector for use in UAV flight control systems according to claim 2, characterized in that: The buckle is set on the outer wall of the male shell, and the two protective plates surround the buckle in the middle; the buckle block is set on the outer wall of the insertion end of the female shell, and the two protective ribs surround the buckle block in the middle; after the male shell and the female shell are inserted and fixed, the buckle and the buckle block are surrounded in the middle by the two protective plates and the two protective ribs.
4. The high-performance waterproof connector for use in UAV flight control systems according to claim 1, characterized in that: The reinforcing rib is an integral structure with the mother shell. The reinforcing rib extends from the outside of the protective rib along the surface of the mother shell in a direction perpendicular to the axial direction of the mother shell to the other side of the mother shell to form a ring structure.
5. The high-performance waterproof connector for use in UAV flight control systems according to claim 4, characterized in that: Several auxiliary ribs are provided on the surface of the insertion end of the mother shell. The auxiliary ribs are vertically connected to the reinforcing ribs to form an integral structure.
6. The high-performance waterproof connector for use in UAV flight control systems according to claim 1, characterized in that: The conductive terminal includes a male terminal and a female terminal. The female terminal is installed in the male housing, and the male terminal is installed in the female housing. After the male housing and the female housing are inserted into each other, the insertion section of the male terminal is inserted into the female terminal to achieve electrical connection, and the insertion section of the male terminal is pressed by the spring arm of the female terminal.
7. The high-performance waterproof connector for use in UAV flight control systems according to claim 6, characterized in that: The male terminal has an elastic groove on its side to form an elastic buffer space, and the male terminal has a non-closed solid structure for its plug section.
8. The high-performance waterproof connector for use in UAV flight control systems according to claim 6, characterized in that: Limiting protrusions are provided on the bottom surface of the male terminal and the bottom surface of the female terminal respectively. Limiting grooves are provided on the bottom surface of the male terminal hole and the bottom surface of the female terminal hole respectively along the axial direction. The limiting protrusion of the female terminal is embedded in the limiting groove of the male terminal hole, and the limiting protrusion of the male terminal is embedded in the limiting groove of the female terminal hole.
9. The high-performance waterproof connector for use in UAV flight control systems according to claim 6, characterized in that: A male end sealing gasket is provided at the tail of the male housing for sealing the female terminal. The wire connected to the female terminal is sealed and connected through the male end sealing gasket. A male end limiting member is provided on the outside of the male end sealing gasket to fix the male end sealing gasket. The male end limiting member is assembled and fixed with the male housing.
10. The high-performance waterproof connector for use in UAV flight control systems according to claim 9, characterized in that: A female end sealing gasket is provided at the tail of the female housing for sealing the male terminal. The wire connected to the male terminal is sealed and connected through the female end sealing gasket. A female end limiting member is provided on the outside of the female end sealing gasket to fix the female end sealing gasket. The female end limiting member is assembled and fixed with the female housing.