Connector and lighting device

Abstract

The utility model is suitable for the technical field of lighting equipment, and provides a connector and a lighting device. The connector comprises a connecting male head and a connecting female head, and the connecting male head can be connected with the connecting female head in an inserted mode. A first limiting structure is arranged on the connecting male head, a second limiting structure is arranged on the connecting female head, one of the first limiting structure and the second limiting structure is a limiting convex block, the other one of the first limiting structure and the second limiting structure is a limiting groove, and the limiting convex block can be inserted into the limiting groove; when the connecting male head and the connecting female head are connected in an inserted mode, the limiting protruding blocks are inserted into the limiting grooves. Under the matching action of the limiting convex blocks and the limiting grooves, the connecting strength of the connecting male head and the connecting female head can be enhanced, loosening or separation of the connecting male head and the connecting female head is effectively avoided, the safety of the connector is improved, meanwhile, the connecting male head and the connecting female head can be guided to be accurately inserted, and the service life of the connector is prolonged. The plugging difficulty of the connecting male head and the connecting female head is reduced, and the convenience of plugging operation is improved.

Description

Technical Field

[0001] This application belongs to the technical field of lighting devices, and more specifically, relates to a connector and a lighting device. Background Art

[0002] A connector is a device used to connect two different components, usually consisting of a male connector head and a female connector head. The male connector head has protruding pins, and the female connector head has corresponding holes or slots. After the male connector head is inserted into the female connector head, the male and female connector heads will achieve electrical connection to allow current and signals to flow between the two different components. However, the male connector head is prone to separation from the female connector head when subjected to external force impacts. Summary of the Utility Model

[0003] The purpose of the embodiments of this application is to provide a connector and a lighting device, aiming to solve the technical problem that the male connector head and the female connector head in the related art are prone to separation.

[0004] To achieve the above purpose, according to one aspect of this application, a connector is provided, which includes a male connector head and a female connector head, and the male connector head can be inserted into the female connector head; a first limiting structure is provided on the male connector head, and a second limiting structure is provided on the female connector head. One of the first limiting structure and the second limiting structure is a limiting convex block, and the other is a limiting groove. The limiting convex block can be inserted into the limiting groove; when the male connector head is inserted into the female connector head, the limiting convex block is inserted into the limiting groove.

[0005] Optionally, the female connector head has a connection space, and the male connector head can be inserted into the connection space to be inserted into the female connector head; the limiting convex block is provided on the male connector head, and the limiting groove is provided on the inner wall surface of the connection space. The limiting convex block forms the first limiting structure, and the limiting groove forms the second limiting structure.

[0006] Optionally, the limiting convex block can be inserted into the limiting groove along a first preset direction and can be withdrawn from the limiting groove along the first preset direction; the limiting convex block has a limiting position and an avoidance position. When the limiting convex block is in the limiting position, the limiting convex block is inserted into the limiting groove; when the limiting convex block is in the avoidance position, the limiting convex block is outside the limiting groove.

[0007] Optionally, a first adjusting member is provided on the male connector head. The first adjusting member is connected to the limiting convex block and can drive the limiting convex block to move along the first preset direction.

[0008] Optionally, the first adjusting member is an elastic shrapnel capable of elastic deformation. The shrapnel is mounted on the male connector, and the limiting bump is mounted on the shrapnel. During the process of the limiting bump switching from the avoidance position to the limiting position, the inner wall surface of the connection space applies a pressing force towards the male connector to the limiting bump, so that the shrapnel is in a compressed state, and the shrapnel applies a thrust towards the limiting groove to the limiting bump, so that the limiting bump is inserted into the limiting groove.

[0009] Optionally, an installation groove is provided on the surface of the male connector, and the first adjusting member is installed in the installation groove.

[0010] Optionally, a second adjusting member is sleeved on the male connector, and an adjusting hole is provided on the second adjusting member; when the limiting bump is in the limiting position, the limiting bump passes through the adjusting hole and is inserted into the limiting groove; the second adjusting member can adjust the limiting bump to switch from the limiting position to the avoidance position.

[0011] Optionally, the second adjusting member can slide on the male connector along a second preset direction, and there is a preset included angle between the second preset direction and the first preset direction; during the process of the second adjusting member moving away from the female connector along the second preset direction, the hole wall of the adjusting hole can push the limiting bump to switch from the limiting position to the avoidance position.

[0012] Optionally, the surface of the limiting bump close to the female connector is an adjusting surface, and the adjusting surface is inclined towards the direction close to the female connector gradually from the outside to the inside. The side of the limiting bump far from the male connector is the outside, and the side of the limiting bump close to the male connector is the inside; and / or, a guiding block is provided on the second adjusting member, and a guiding groove is provided on the inner wall surface of the connection space, and the guiding block can slide in the guiding groove along the second preset direction; and / or, the male connector has a limiting ring, and the limiting ring is located on the side of the second adjusting member far from the female connector, and the limiting ring is used to prevent the second adjusting member from detaching from the male connector.

[0013] According to another aspect of the present application, a lighting device is provided, including a lighting body and the above-mentioned connector, and the female connector is mounted on the lighting body.

[0014] The beneficial effect of the connector provided by the present application is that: after the male connector and the female connector in the present application are plugged together, the limiting bump will also be inserted into the limiting groove. Under the combined action of the limiting bump and the limiting groove, not only can the connection strength between the male connector and the female connector be enhanced, effectively preventing the male connector and the female connector from loosening or separating, improving the safety of the connector, but also it is beneficial to guide the male connector and the female connector to be accurately plugged together, reducing the plugging difficulty between the male connector and the female connector, and improving the convenience of the plugging operation. The limiting bump and the limiting groove used in combination in the present application not only play a limiting role, but also play a precise guiding role. Description of the Drawings

[0015] To more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0016] Figure 1 It is a schematic structural diagram after the connector with a connecting wire and the lighting body provided in the embodiment of the present application are assembled;

[0017] Figure 2 It is a schematic structural diagram of the connector with a connecting wire provided in the embodiment of the present application;

[0018] Figure 3 It is a front view schematic diagram after the connector and the lighting body provided in the embodiment of the present application are assembled;

[0019] Figure 4 It is Figure 3 the cross-sectional view along A-A in

[0020] Figure 5 It is Figure 4 the enlarged view at A in

[0021] Figure 6 It is a schematic structural diagram after the male connecting head with a connecting wire, the first adjusting member and the second adjusting member provided in the embodiment of the present application are assembled;

[0022] Figure 7 It is a side view schematic diagram of the connector with a connecting wire provided in the embodiment of the present application;

[0023] Figure 8 It is Figure 7 the cross-sectional view along B-B in

[0024] Figure 9 It is Figure 8 the enlarged view at B in

[0025] The label details involved in the above drawings are as follows:

[0026] 100, male connecting head; 110, limiting convex block; 111, adjusting surface; 120, mounting groove; 130, limiting ring; 200, female connecting head; 210, connecting space; 211, guiding groove; 220, limiting groove; 300, connecting wire; 400, first adjusting member; 500, second adjusting member; 510, adjusting hole; 520, guiding block; 600, lighting body. Detailed implementation manners

[0027] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0028] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element. Without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the drawings and embodiments.

[0029] It should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application 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 application.

[0030] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality of" means two or more unless otherwise specifically defined.

[0031] As described in the background art, a connector is a device for connecting two different components, usually composed of a male connector and a female connector. The male connector has protruding pins, and the female connector has corresponding holes or slots. After the male connector is inserted into the female connector, the male connector and the female connector will achieve electrical connection to allow current and signals to flow between the two different components. However, the male connector is easily separated from the female connector when subjected to external force impact.

[0032] Refer to Figures 1 to 6, To solve the above problems, according to one aspect of the present application, an embodiment of the present application provides a connector. The connector includes a male connector 100 and a female connector 200. The male connector 100 can be plugged into the female connector 200. A first limiting structure is provided on the male connector 100, and a second limiting structure is provided on the female connector 200. One of the first limiting structure and the second limiting structure is a limiting protrusion 110, and the other is a limiting groove 220. The limiting protrusion 110 can be inserted into the limiting groove 220. When the male connector 100 is plugged into the female connector 200, the limiting protrusion 110 is inserted into the limiting groove 220.

[0033] In an embodiment of the present application, the connector is usually any one of a USB connector (the full English name of USB: Universal Serial Bus, Chinese name: Universal Serial Bus), an HDMI connector (the full English name of HDMI: High-Definition Multimedia Interface, Chinese name: High-Definition Multimedia Interface), or an RJ45 connector (the full English name of RJ: Registered Jack, Chinese name: Registered Jack, RJ45 is usually also called a network cable interface or an Ethernet interface). The male connector 100 realizes mechanical connection and electrical connection by plugging into the female connector 200. At the same time, the male connector 100 realizes plugging with the female connector 200 by inserting into the female connector 200. In other embodiments, the female connector 200 can also realize plugging with the male connector 100 by inserting into the male connector 100.

[0034] After the male connector 100 and the female connector 200 in the present application are plugged together, the limiting protrusion 110 will also be inserted into the limiting groove 220. Under the cooperation of the limiting protrusion 110 and the limiting groove 220, it can not only enhance the connection strength between the male connector 100 and the female connector 200, effectively prevent the male connector 100 and the female connector 200 from loosening or separating, improve the safety of the connector, but also help guide the male connector 100 and the female connector 200 to be accurately plugged, reduce the plugging difficulty of the male connector 100 and the female connector 200, and improve the convenience of the plugging operation. The limiting protrusion 110 and the limiting groove 220 used in cooperation in the present application not only play a limiting role, but also play a precise guiding role.

[0035] Refer to Figures 1 to 6 , In one embodiment, the female connector 200 has a connection space 210. The male connector 100 can be plugged into the female connector 200 by inserting into the connection space 210. The limiting protrusion 110 is provided on the male connector 100, and the limiting groove 220 is provided on the inner wall surface of the connection space 210. The limiting protrusion 110 forms a first limiting structure, and the limiting groove 220 forms a second limiting structure.

[0036] In this embodiment, the male connector 100 is a Type-C connector head, and the female connector 200 is a Type-C interface; the connection space 210 has an opening, and the male connector 100 passes through the opening and is inserted into the connection space 210 to be plugged into the female connector 200. The above design not only simplifies the overall structure of the connector, reduces the production cost, but also helps to avoid incorrect plugging between the male connector 100 and the female connector 200, and improves the reliability of the connector. In other embodiments, the male connector 100 may also have a connection space 210, and the female connector 200 can be plugged into the male connector 100 by being inserted into the connection space 210. At the same time, a limiting projection 110 is provided on the female connector 200, and a limiting groove 220 is provided on the inner wall surface of the connection space 210. The limiting groove 220 forms a first limiting structure, and the limiting projection 110 forms a second limiting structure.

[0037] Referring to Figure 1 , Figure 2 , Figure 4 and Figure 7 , in one embodiment, the male connector 100 is connected with a connecting wire 300 for transmitting power; the number of the limiting projections 110 is multiple, and the multiple limiting projections 110 are arranged at intervals along the circumferential direction of the male connector 100. The number of the limiting grooves 220 is also multiple, and the multiple limiting projections 110 are respectively arranged in one-to-one correspondence with the multiple limiting grooves 220.

[0038] In this embodiment, the connecting wire 300 is usually a data wire that can transmit both power and data signals; the number of the limiting projections 110 is two, and the two limiting projections 110 are symmetrically arranged along the axis of the male connector 100. The multiple limiting projections 110 arranged enhance the connection strength between the male connector 100 and the female connector 200, and at the same time improve the safety of the connector.

[0039] Referring to Figure 4 and Figure 5 , in one embodiment, the limiting projection 110 can be inserted into the limiting groove 220 along a first preset direction and can be withdrawn from the limiting groove 220 along the first preset direction; the limiting projection 110 has a limiting position and an avoidance position. When the limiting projection 110 is in the limiting position, the limiting projection 110 is inserted into the limiting groove 220; when the limiting projection 110 is in the avoidance position, the limiting projection 110 is located outside the limiting groove 220.

[0040] In the present embodiment, the first preset direction is parallel to the radial direction or the width direction of the male connector 100. In other embodiments, the first preset direction may also form an angle with the radial direction or the width direction of the male connector 100. When the male connector 100 and the female connector 200 in the present application need to be separated, first, the limiting protrusion 110 is driven to be withdrawn from the limiting groove 220 along the first preset direction, and then the male connector 100 is driven to move away from the female connector 200 until the male connector 100 and the female connector 200 are completely separated. The limiting protrusion 110 in the present application has the function of plugging and unplugging. It can be inserted into the limiting groove 220 when the male connector 100 and the female connector 200 are connected to enhance the connection strength between the male connector 100 and the female connector 200, and can also be withdrawn from the limiting groove 220 when the male connector 100 and the female connector 200 are separated, so as to facilitate the separation of the male connector 100 and the female connector 200.

[0041] Referring to Figure 4 and Figure 5 , in one embodiment, a first adjusting member 400 is provided on the male connector 100. The first adjusting member 400 is connected to the limiting protrusion 110 and can drive the limiting protrusion 110 to move along the first preset direction.

[0042] In the present embodiment, the first adjusting member 400 may be an adjusting spring. The adjusting spring is arranged along the first preset direction. The two relatively arranged ends of the adjusting spring are respectively connected to the male connector 100 and the limiting protrusion 110. In other embodiments, the first adjusting member 400 may also be an adjusting screw rod. The adjusting screw rod is arranged along the first preset direction. A threaded hole for the adjusting screw rod to pass through is provided on the male connector 100. The adjusting screw rod rotates in the threaded hole and is connected to the limiting protrusion 110. The first adjusting member 400 in the present application can drive the limiting protrusion 110 to switch between the limiting position and the avoiding position, improving the flexibility and convenience of the adjusting operation.

[0043] Referring to Figure 4 and Figure 5 , in one embodiment, the first adjusting member 400 is an elastic sheet capable of elastic deformation. The elastic sheet is installed on the male connector 100, and the limiting protrusion 110 is installed on the elastic sheet; during the process of the limiting protrusion 110 switching from the avoiding position to the limiting position, the inner wall surface of the connection space 210 applies a pressing force towards the male connector 100 to the limiting protrusion 110, so that the elastic sheet is in a compressed state, and the elastic sheet applies a thrust towards the limiting groove 220 to the limiting protrusion 110, so that the limiting protrusion 110 is inserted into the limiting groove 220.

[0044] In this embodiment, the elastic piece is installed on the male connector 100 along the length direction of the male connector 100, and the limiting convex block 110 is fixedly installed on the surface of the elastic piece away from the male connector 100.

[0045] When the male connector 100 and the female connector 200 in this application need to be plugged together, first drive the male connector 100 to move towards the inside of the connection space 210. During the process of the male connector 100 moving towards the inside of the connection space 210, the limiting convex block 110 will come into contact with the inner wall surface of the connection space 210. At the same time, the elastic piece will be compressed under the pressing force exerted by the inner wall surface of the connection space 210 on the limiting convex block 110, so that the limiting convex block 110 can smoothly enter the connection space 210; after the limiting convex block 110 moves to a position corresponding to the limiting groove 220, the limiting convex block 110 will enter the limiting groove 220 under the action of the reset thrust force exerted by the elastic piece to complete the limiting.

[0046] When the male connector 100 and the female connector 200 in this application need to be separated, first make the elastic piece in a compressed state by applying a force to the elastic piece, so that the limiting convex block 110 is withdrawn from the limiting groove 220. After the limiting convex block 110 is withdrawn from the limiting groove 220, drive the male connector 100 to move away from the female connector 200 until the male connector 100 is withdrawn from the connection space 210. The elastic piece in this application can not only drive the limiting convex block 110 to reset from the avoidance position to the limiting position, playing a reset role and improving the flexibility and convenience of the connection operation between the male connector 100 and the female connector 200, but also can drive the limiting convex block 110 to switch from the limiting position to the avoidance position, effectively avoiding interference between the limiting convex block 110 and the inner wall surface of the connection space 210 and improving the flexibility and convenience of the separation operation between the male connector 100 and the female connector 200.

[0047] Refer to Figure 4 and Figure 5 In one embodiment, an installation groove 120 is provided on the surface of the male connector 100, and the first adjusting member 400 is installed in the installation groove 120.

[0048] In this embodiment, the first adjusting member 400 is usually fixedly installed on the bottom of the installation groove 120; when the limiting convex block 110 is in the limiting position, the limiting convex block 110 is located outside the installation groove 120; when the limiting convex block 110 is in the avoidance position, the limiting convex block 110 is located inside the installation groove 120. The provided installation groove 120 not only plays a role in installing and protecting the first adjusting member 400 and the limiting convex block 110, but also facilitates the smooth switching of the limiting convex block 110 between the adjustment position and the avoidance position. In addition, it also plays a role in reducing the volume of the connector.

[0049] Reference Figure 1 、 Figure 2 and Figures 4 to 9 In one embodiment, a second adjusting member 500 is sleeved on the male connector 100, and an adjusting hole 510 is provided on the second adjusting member 500; when the limiting convex block 110 is in the limiting position, the limiting convex block 110 passes through the adjusting hole 510 and is inserted into the limiting groove 220; the second adjusting member 500 can adjust the limiting convex block 110 to switch from the limiting position to the avoiding position.

[0050] In this embodiment, the second adjusting member 500 can be a sleeve capable of elastic deformation; when the limiting convex block 110 needs to switch from the limiting position to the avoiding position, the elastic piece can be directly compressed by applying a pressing force to the second adjusting member 500, so that the limiting convex block 110 is withdrawn from the limiting groove 220. The provided second adjusting member 500 plays a role in adjusting the position of the limiting convex block 110.

[0051] Reference Figure 1 、 Figure 2 and Figures 4 to 9 In one embodiment, the second adjusting member 500 can slide on the male connector 100 along a second preset direction, and a preset angle is provided between the second preset direction and the first preset direction; during the process of the second adjusting member 500 moving away from the female connector 200 along the second preset direction, the hole wall of the adjusting hole 510 can push the limiting convex block 110 to switch from the limiting position to the avoiding position.

[0052] In this embodiment, the second preset direction is usually parallel to the length direction of the male connector 100 and perpendicular to the first preset direction.

[0053] When the male connector 100 and the female connector 200 in this application need to be separated, directly drive the second adjusting member 500 to move away from the female connector 200. During this process, the hole wall of the adjusting hole 510 will contact the surface of the limiting convex block 110 close to the female connector 200; along with the movement of the second adjusting member 500, the hole wall of the adjusting hole 510 will cooperate with the first adjusting member 400 to push the limiting convex block 110 to switch from the limiting position to the avoiding position; after the limiting convex block 110 switches from the limiting position to the avoiding position, directly drive the male connector 100 to be withdrawn from the connection space 210 in the direction away from the female connector 200. In addition, to extend the service life of the second adjusting member 500 and avoid the position of the limiting convex block 110 from changing due to accidental contact with the second adjusting member, the second adjusting member 500 is a metal part. To facilitate the user to hold the second adjusting member 500 to drive the second adjusting member 500 to move on the male connector 100 along the second preset direction, anti-slip lines are provided on the surface of the second adjusting member 500 away from the male connector 100.

[0054] Reference Figures 4 to 6 , in one embodiment, the surface of the limiting bump 110 close to the connecting female head 200 is an adjusting surface 111. The adjusting surface 111 is inclined gradually from the outside to the inside towards the direction close to the connecting female head 200. The side of the limiting bump 110 away from the connecting male head 100 is the outside, and the side of the limiting bump 110 close to the connecting male head 100 is the inside. In this embodiment, the outside is on the side of the inside away from the connecting male head 100; the above design enables the limiting bump 110 to switch more smoothly from the limiting position to the avoiding position under the pushing action of the hole wall of the adjusting hole 510, improving the smoothness of the adjusting operation.

[0055] Reference Figures 6 to 9 , in one embodiment, the second adjusting member 500 is provided with a guiding block 520, and the inner wall surface of the connecting space 210 is provided with a guiding groove 211. The guiding block 520 can slide in the guiding groove 211 along a second preset direction.

[0056] In this embodiment, the guiding block 520 is fixedly installed on the surface of the second adjusting member 500 away from the connecting male head 100, and the extending direction of the guiding groove 211 is parallel to the second preset direction. During the process of the connecting male head 100 moving towards the inside of the connecting space 210, the guiding block 520 will be inserted into the guiding groove 211 and slide in the guiding groove 211 along the second preset direction. The guiding block 520 and the guiding groove 211 used in cooperation in this application not only play a guiding role, enabling the connecting male head 100 to be smoothly inserted into the connecting space 210, but also play an anti-misinsertion role, effectively avoiding the misinsertion of the connecting male head 100 and the connecting female head 200.

[0057] Reference Figures 1 to 4 and Figures 6 to 8 , in one embodiment, the connecting male head 100 has a limiting ring 130. The limiting ring 130 is located on the side of the second adjusting member 500 away from the connecting female head 200, and the limiting ring 130 is used to prevent the second adjusting member 500 from detaching from the connecting male head 100. The above design effectively prevents the second adjusting member 500 from detaching from the connecting male head 100, ensuring that the limiting bump 110 can smoothly switch from the limiting position to the avoiding position.

[0058] Reference Figures 1 to 9 , according to another aspect of the present application, the embodiments of the present application further provide an illumination device. The illumination device includes an illumination body 600 and the above connector, and the connecting female head 200 is installed on the illumination body 600.

[0059] In this embodiment, the lighting body 600 is a lighting fixture, and the female connector 200 is usually fixedly installed on the lighting body 600 by connecting screws; to protect the female connector 200, an installation groove is usually provided on the lighting body 600, and the female connector 200 is installed in the installation groove.

[0060] In summary, implementing the connector and the lighting device provided in this embodiment has at least the following beneficial technical effects: after the male connector 100 and the female connector 200 in this application are plugged together, the limiting protrusion 110 will also be inserted into the limiting groove 220. Under the cooperation of the limiting protrusion 110 and the limiting groove 220, it can not only enhance the connection strength between the male connector 100 and the female connector 200, effectively prevent the male connector 100 and the female connector 200 from loosening or separating, improve the safety of the connector, but also facilitate guiding the male connector 100 and the female connector 200 to be accurately plugged together, reduce the plugging difficulty of the male connector 100 and the female connector 200, and improve the convenience of the plugging operation. The limiting protrusion 110 and the limiting groove 220 used in cooperation in this application not only play a limiting role, but also play a precise guiding role.

[0061] The above are only the preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent replacements, and improvements made within the spirit and principle of this application shall be included in the protection scope of this application.

Claims

1. A connector, characterized in that, It includes a male connector (100) and a female connector (200), and the male connector (100) can be inserted into the female connector (200). A first limiting structure is provided on the male connector (100), and a second limiting structure is provided on the female connector (200). One of the first limiting structure and the second limiting structure is a limiting protrusion (110), and the other is a limiting groove (220). The limiting protrusion (110) can be inserted into the limiting groove (220). When the male connector (100) is inserted into the female connector (200), the limiting protrusion (110) is inserted into the limiting groove (220).

2. The connector according to claim 1, wherein The female connector (200) has a connection space (210), and the male connector (100) can be inserted into the connection space (210) to be inserted into the female connector (200). The limiting protrusion (110) is provided on the male connector (100), and the limiting groove (220) is provided on the inner wall surface of the connection space (210). The limiting protrusion (110) forms the first limiting structure, and the limiting groove (220) forms the second limiting structure.

3. The connector according to claim 2, wherein, The limiting protrusion (110) can be inserted into the limiting groove (220) along a first preset direction and can be withdrawn from the limiting groove (220) along the first preset direction. The limiting protrusion (110) has a limiting position and an avoidance position. When the limiting protrusion (110) is in the limiting position, the limiting protrusion (110) is inserted into the limiting groove (220). When the limiting protrusion (110) is in the avoidance position, the limiting protrusion (110) is located outside the limiting groove (220).

4. The connector according to claim 3, characterized in that, A first adjusting member (400) is provided on the male connector (100). The first adjusting member (400) is connected to the limiting protrusion (110) and can drive the limiting protrusion (110) to move along the first preset direction.

5. The connector according to claim 4, wherein The first adjusting member (400) is an elastic sheet that can undergo elastic deformation. The elastic sheet is installed on the male connector (100), and the limiting protrusion (110) is installed on the elastic sheet. During the process of the limiting protrusion (110) switching from the avoidance position to the limiting position, the inner wall surface of the connection space (210) exerts a pressing force on the limiting protrusion (110) towards the male connector (100) so that the elastic sheet is in a compressed state, and the elastic sheet exerts a thrust on the limiting protrusion (110) towards the limiting groove (220) so that the limiting protrusion (110) is inserted into the limiting groove (220).

6. The connector according to claim 5, characterized in that, An installation groove (120) is provided on the surface of the male connector (100), and the first adjusting member (400) is installed in the installation groove (120).

7. The connector according to claim 5 or 6, characterized in that, A second adjusting member (500) is sleeved on the male connector (100), and an adjusting hole (510) is provided on the second adjusting member (500). When the limiting bump (110) is in the limiting position, the limiting bump (110) passes through the adjusting hole (510) and inserts into the limiting groove (220); the second adjusting member (500) can adjust the limiting bump (110) to switch from the limiting position to the avoidance position.

8. The connector according to claim 7, wherein, The second adjusting member (500) can slide on the male connector (100) along a second preset direction, and there is a preset angle between the second preset direction and the first preset direction; During the process of the second adjusting member (500) moving away from the female connector (200) along the second preset direction, the hole wall of the adjusting hole (510) can push the limiting bump (110) to switch from the limiting position to the avoidance position.

9. The connector according to claim 8, wherein The surface of the limiting bump (110) close to the female connector (200) is an adjusting surface (111), and the adjusting surface (111) is inclined gradually from the outside to the inside in the direction close to the female connector (200). The side of the limiting bump (110) away from the male connector (100) is the outside, and the side of the limiting bump (110) close to the male connector (100) is the inside; and / or, The second adjusting member (500) is provided with a guiding block (520), and a guiding groove (211) is provided on the inner wall surface of the connecting space (210). The guiding block (520) can slide in the guiding groove (211) along the second preset direction; and / or, The male connector (100) has a limiting ring (130). The limiting ring (130) is located on the side of the second adjusting member (500) away from the female connector (200), and the limiting ring (130) is used to prevent the second adjusting member (500) from detaching from the male connector (100).

10. A lighting device, characterized in that, It includes an illumination body (600) and the connector according to any one of claims 1 to 9, and the female connector (200) is installed on the illumination body (600).

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