Anti-loosening locking device for connector and connector thereof

Abstract

The invention discloses an anti-loosening locking device for a connector and the connector thereof, and relates to the technical field of connectors, the anti-loosening locking device comprises a pair of frame bodies, a cross rod is fixedly connected between two ends of the pair of frame bodies, the cross rod is slidably connected with a first sleeve, the surface position of the first sleeve is fixedly connected with a butt-joint plate, and the butt-joint plate is fixedly connected with the butt-joint plate. And the other end of the butt joint plate is fixedly connected to the frame, an L-shaped plate is detachably installed on the inner wall of the frame, and a foam pad is arranged on the inner wall of the L-shaped plate. According to the invention, the structure is reasonable, in order to improve the connection stability, the whole frame body is conveniently fixed on the socket through the locking assembly, the connector body inserted in the socket is conveniently fixed through the opening assembly and the fastening assembly, and the connector body is prevented from falling off during use.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of connectors, in particular to a locking device for preventing a connector from loosening and the connector. BACKGROUND

[0002] A connector is a device, mechanism or component that establishes a connection between two or more systems, modules or parts, enabling them to work together. It is functional, adaptable and versatile, and can be physical, informational or functional. For example, wire harness interfaces in large equipment, plugs on sound equipment, etc.

[0003] A locking device for preventing a connector from loosening, with publication number CN121076544B, includes a first connecting mechanism, one side of which is provided with a second connecting mechanism, the upper side of which is provided with a first locking mechanism and a second locking mechanism for double locking the first connecting mechanism and the second connecting mechanism, the inside of the second connecting mechanism is provided with a cleaning mechanism for indirectly wiping dust from the connecting end of the connector, the first connecting mechanism includes a first housing, the inside of which is fixedly connected with a first connecting head, by inserting the plug into the guide block, the buckle is driven to be inserted into the card slot, the connector is initially locked, at the same time, the plug-in column is driven to be inserted into the positioning hole, thereby completing the secondary locking of the connector, and only by pressing the pressing plate and pulling out the plug, the two times of locking of the connector can be unlocked at the same time, achieving the effect of convenient locking and unlocking.

[0004] The above-mentioned patent still has some problems when in use:

[0005] As a key component for signal and power transmission of electrical equipment, an electrical connector is usually connected by plugging a plug into a socket. Traditional connectors mostly use single buckles or threaded locking, which are prone to looseness, poor contact and even loosening under vibration, pulling and other working conditions, and have insufficient reliability. However, the existing multi-stage fixing structure generally has problems such as complicated assembly steps, low positioning accuracy, poor locking consistency, etc., and it is difficult to meet the needs of efficient assembly and high stability at the same time. SUMMARY

[0006] The purpose of the present application is to provide a locking device for preventing a connector from loosening and the connector, which realizes the improvement of connection stability, the fixation of the whole frame body on the socket through the locking assembly, the fixation of the connector body plugged into the socket through the opening assembly and the fastening assembly, and the prevention of loosening during use.

[0007] To achieve the above object, the application provides the following technical scheme: a locking device for preventing a connector from loosening, comprising a pair of frames, a crossbar fixedly connected between two ends of the pair of frames, two first sleeves slidingly connected to two sides of the crossbar, a pair of abutting plates fixedly connected to one side surfaces of the two first sleeves on the same side, a frame fixedly connected to the other ends of the two abutting plates, an L-shaped plate detachably installed on an inner wall of the frame, and a foam pad provided on an inner wall of the L-shaped plate;

[0008] The locking device further comprises a locking assembly, an opening assembly and a fastening assembly, the locking assembly is arranged on the frame to fix the frames as a whole on a socket, the opening assembly is arranged on the crossbar to place a connector body, and the fastening assembly is arranged on the opening assembly to fix the position of the connector body.

[0009] Preferably, the locking assembly comprises a groove plate fixedly installed at a middle position on an outer side of the frame, a sliding plate slidingly connected to an inner portion of the groove plate, one end of the sliding plate fixedly connected to an inner wall of the frame, and a locking head fixedly connected to one end of the groove plate.

[0010] Preferably, a through groove is formed at two side positions of the locking head, a side plate slidingly connected to an inner portion of the through groove, the side plate slidingly connected to a side rod, a top end of the side rod fixedly connected to an axle seat, the axle seat fixedly connected to one side of the locking head, a sleeve ring fixedly connected to a bottom end of the side rod, a first spring sleeved on the side rod, and two ends of the first spring respectively abutting against a bottom surface of the side plate and a top surface of the sleeve ring.

[0011] Preferably, the side plate is fixedly connected to one side of a clamping block, the clamping block is located in an inner portion of the locking head, a first arc-shaped groove is formed at a top end of the clamping block, a rod body rotatably connected between inner walls of the locking head, a cam fixedly installed on the rod body, the cam abutting against an inner wall of the first arc-shaped groove, a driven plate fixedly connected to the rod body, and a handle rod fixedly connected between top ends of the driven plate.

[0012] Preferably, the opening assembly comprises a second sleeve fixedly installed at a middle end position of the crossbar, a limiting plate fixedly connected to a surface of the second sleeve, a first shaft pin fixedly connected to the limiting plate, a support rotatably connected to the first shaft pin, and a pair of supports.

[0013] Preferably, a second shaft pin is fixedly connected to a side surface of the support, a push plate rotatably connected to the second shaft pin, the push plate rotatably connected to a connecting plate at the other end, a cross plate fixedly connected to a middle position of the connecting plate, and a sliding sleeve fixedly connected to the other end of the cross plate.

[0014] Preferably, a bolt handle is threadedly connected to the sliding sleeve, the sliding sleeve is slidingly connected to a positioning rod, a bottom end of the positioning rod is fixedly connected to a base, a bottom end of the base is fixedly installed at a middle position of a surface of the limiting plate, a second spring is sleeved on the limiting plate, and two ends of the second spring are fixedly connected to a bottom surface of the sliding sleeve and a top surface of the base, respectively.

[0015] Preferably, the fastening assembly comprises a movable groove formed at a middle position of the support, a mounting plate is attached to a top surface of the support, a screw is arranged on the mounting plate, a bottom end of the screw is inserted into the inside of the movable groove, the mounting plate is fixedly connected to one side of a pressing plate, a clamping plate is slidingly connected to an inner side of the pressing plate, and a sleeve plate is fixedly connected to a middle position of the clamping plate.

[0016] Preferably, a sliding groove is formed at a middle position of the pressing plate, one end of the sleeve plate is slidingly connected to a plug rod through the sliding groove, a bottom end of the plug rod is fixedly connected to the mounting plate, a snap ring is fixedly connected to a top end of the plug rod, a third spring is sleeved on the plug rod, two ends of the third spring are fixedly connected to a top surface of the sleeve plate and a bottom surface of the snap ring, respectively, a clamping groove is formed in the clamping plate, and a plurality of groups of protrusions are fixedly connected to inner walls of the clamping groove.

[0017] The application also provides a connector with anti-loosening locking, comprising:

[0018] A connector body is arranged in the inside of the clamping groove, a wire harness head is threadedly connected to a top position of the connector body, a plurality of groups of recesses are formed at a surface position of the connector body, protrusions are clamped in the inside of the recesses, a stop ring is fixedly connected to a bottom end of the connector body, the stop ring is attached to a bottom surface position of the clamping plate, and a plug-in end is arranged at a bottom end position of the connector body.

[0019] In summary, the application has the following technical effects and advantages:

[0020] 1. The structure of the application is reasonable, when the L-shaped plate on the plug-in frame is clamped on the socket, the groove plate and the sliding plate are arranged between the frame and the frame body, the sliding plate is slidingly connected to the inside of the groove plate, when the sliding plate is fixed, the handle is rotated, the rotation of the handle drives the rod body to rotate through the driven plate, the cam is fixedly connected to the rod body, the clamping block is attached to the cam through the elastic force of the first spring, the clamping block is pushed downward through the rotation of the cam, so that the clamping block is attached to the surface of the sliding plate, the sliding plate in the inside of the groove plate is fixed, and the phenomenon of loosening of the frame is avoided.

[0021] 2. The bracket is opened in the application, the bolt handle is screwed on the sliding sleeve, the bolt handle is rotated and then pulled down, so that the sliding sleeve slides on the positioning rod, the sliding of the sliding sleeve extrudes the second spring, then the horizontal plate on the sliding sleeve moves the push plate through the connecting plate, and then the push plate opens the bracket, which is convenient for placing the connector body, and the bolt handle is loosened, the sliding sleeve moves upward by the elastic force of the second spring, which is convenient for the clamping plate to adhere to the connector body.

[0022] 3. In the application, a clamping groove is formed in the clamping plate, and a plurality of groups of protrusions are fixedly connected to the inner wall of the clamping groove. When the clamping groove is attached to the surface of the connector body, the protrusions will be clamped in the recess. Then, the sleeve plate is pushed by the elastic force of the third spring, one end of the sleeve plate is fixedly connected to the clamping plate, and the movement of the sleeve plate drives the clamping plate to move, so that the clamping plate can press the connector body as a whole, avoiding the disconnection between the connector body and the socket. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiment or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0024] Figure 1 It is a schematic diagram of the three-dimensional structure of the frame body;

[0025] Figure 2 It is a schematic diagram of the three-dimensional structure of the frame body from the bottom;

[0026] Figure 3 It is a schematic diagram of the three-dimensional structure of the frame body from the back;

[0027] Figure 4 It is a schematic diagram of the three-dimensional structure of the frame;

[0028] Figure 5 It is a schematic diagram of the three-dimensional structure of the groove plate;

[0029] Figure 6 It is a schematic diagram of the three-dimensional structure of the second sleeve;

[0030] Figure 7 It is a schematic diagram of the three-dimensional structure of the pressing plate;

[0031] Figure 8 It is Figure 6 It is a schematic diagram of the three-dimensional structure of the pressing plate;

[0032] As shown in the figure: 1, the frame body; 101, the crossbar; 102, the first sleeve; 103, the docking plate; 104, the frame; 105, the L-shaped plate; 106, the foam pad; 2, the groove plate; 201, the sliding plate; 202, the locking head; 203, the through groove; 204, the side plate; 205, the side rod; 206, the shaft seat; 207, the sleeve ring; 208, the first spring; 209, the clamping block; 210, the first arc-shaped groove; 211, the rod body; 212, the cam; 213, the driven plate; 214, the handle; 3, the second sleeve; 301, the limiting plate; 302, the first shaft pin; 303, the support; 304, the second shaft pin; 305, the push plate; 306, the connecting plate; 307, the cross plate; 308, the sliding sleeve; 309, the bolt handle; 310, the positioning rod; 311, the base; 312, the second spring; 4, the movable groove; 401, the mounting plate; 402, the screw; 403, the pressing plate; 404, the clamping plate; 405, the sleeve plate; 406, the sliding groove; 407, the insertion rod; 408, the snap ring; 409, the third spring; 410, the clamping groove; 411, the protruding block; 5, the connector body; 501, the wire harness head; 502, the groove; 503, the blocking ring; 504, the insertion end. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0034] Embodiment: Reference Figure 1 - Figure 8 The anti-loosening locking device for the connector shown comprises a pair of frame bodies 1, a crossbar 101 fixedly connected between the two ends of the pair of frame bodies 1, two first sleeves 102 slidingly connected on the two sides of the crossbar 101, a docking plate 103 fixedly connected on the side surface of each of the two first sleeves 102 on the same side, a frame 104 fixedly connected at the other end of the two docking plates 103, an L-shaped plate 105 detachably installed on the inner wall of the frame 104, and a foam pad 106 provided on the inner wall of the L-shaped plate 105; further comprising a locking assembly, an opening assembly, and a fastening assembly, the locking assembly is arranged on the frame 104 for fixing the frame body 1 as a whole on the socket, the opening assembly is arranged on the crossbar 101 for placing the connector body 5 in cooperation, and the fastening assembly is arranged on the opening assembly for fixing the position of the connector body 5.

[0035] Specifically, it needs to be explained here that the connector body 5 is used in cooperation with the socket, and the locking assembly is used to fix the frame body 1 on the socket as a whole, so as to avoid the phenomenon of falling off between the connector body 5 and the socket.

[0036] As an embodiment in this embodiment, the locking assembly comprises a groove plate 2 fixedly installed at the middle position of the outer side of the frame 104, a sliding plate 201 slidably connected inside the groove plate 2, one end of the sliding plate 201 fixedly connected with the inner wall of the frame body 1, one end of the groove plate 2 fixedly connected with a locking head 202, a through groove 203 formed on both sides of the locking head 202, a side plate 204 slidably connected inside the through groove 203, the side plate 204 slidably connected with a side rod 205, the top end of the side rod 205 fixedly connected with an axle seat 206, the axle seat 206 fixedly connected with one side of the locking head 202, the bottom end of the side rod 205 fixedly connected with a sleeve ring 207, the first spring 208 sleeved on the side rod 205, the both ends of the first spring 208 respectively abutting with the bottom surface of the side plate 204 and the top surface of the sleeve ring 207, the side plate 204 fixedly connected with one side of a clamping block 209, the clamping block 209 located inside the locking head 202, a first arc-shaped groove 210 formed on the top end of the clamping block 209, a rod body 211 rotatably connected between the inner walls of the locking head 202, a cam 212 fixedly installed on the rod body 211, the cam 212 abutting with the inner wall of the first arc-shaped groove 210, a driven plate 213 fixedly connected between the top end of the driven plate 213, a handle rod 214 fixedly connected between the driven plate 213.

[0037] Specifically, when the L-shaped plate 105 on the frame 104 is clamped on the socket, the groove plate 2 and the sliding plate 201 are arranged between the frame 104 and the frame body 1, the sliding plate 201 is slidably connected inside the groove plate 2, when the sliding plate 201 is fixed, the handle rod 214 is rotated, the rotation of the handle rod 214 drives the rod body 211 to rotate through the driven plate 213, the cam 212 is fixedly connected on the rod body 211, the clamping block 209 abuts with the cam 212 through the elastic force of the first spring 208, the clamping block 209 is pushed downward through the rotation of the cam 212, so as to abut with the surface of the sliding plate 201, the sliding plate 201 inside the groove plate 2 is fixed, and the frame 104 is prevented from loosening.

[0038] As an embodiment in the embodiment, the opening assembly comprises a second sleeve 3 fixedly installed at the middle end of the crossbar 101, the surface of the second sleeve 3 is fixedly connected with a limiting plate 301, the limiting plate 301 is fixedly connected with a first shaft pin 302, the first shaft pin 302 is rotatably connected with a support 303, the support 303 is provided with a pair of support 303, the side of the support 303 is fixedly connected with a second shaft pin 304, the second shaft pin 304 is rotatably connected with a push plate 305, the other end of the push plate 305 is rotatably connected with a connecting plate 306, the middle of the connecting plate 306 is fixedly connected with a horizontal plate 307, the other end of the horizontal plate 307 is fixedly connected with a sliding sleeve 308, the sliding sleeve 308 is threadedly connected with a bolt handle 309, the sliding sleeve 308 is slidably connected with a positioning rod 310, the bottom end of the positioning rod 310 is fixedly connected with a base 311, the bottom end of the base 311 is fixedly installed at the middle of the surface of the limiting plate 301, the limiting plate 301 is sleeved with a second spring 312, the two ends of the second spring 312 are fixedly connected with the bottom surface of the sliding sleeve 308 and the top surface of the base 311 respectively.

[0039] Specifically, when the support 303 is opened, the bolt handle 309 is threadedly connected with the sliding sleeve 308, the bolt handle 309 is rotated and then pulled down, so that the sliding sleeve 308 slides on the positioning rod 310, the sliding of the sliding sleeve 308 extrudes the second spring 312, then the horizontal plate 307 on the sliding sleeve 308 moves the push plate 305 through the connecting plate 306, and then the push plate 305 opens the support 303, facilitating the placement of the connector body 5. Similarly, when the bolt handle 309 is loosened, the sliding sleeve 308 moves upward by the elastic force of the second spring 312, facilitating the clamping plate 404 to adhere to the connector body 5.

[0040] In the embodiment, according to the accompanying Figure 7 As shown, the fastening assembly comprises a movable groove 4 opened in the middle of the support 303, the top of the support 303 is attached with a mounting plate 401, the mounting plate 401 is provided with a screw 402, the bottom end of the screw 402 is inserted into the inside of the movable groove 4, the mounting plate 401 is fixedly connected with one side of the pressing plate 403, the inside of the pressing plate 403 is slidably connected with the clamping plate 404, the middle of the clamping plate 404 is fixedly connected with a sleeve plate 405, the middle of the pressing plate 403 is provided with a sliding groove 406, one end of the sleeve plate 405 is slidably connected with the plug rod 407 through the sliding groove 406, the bottom end of the plug rod 407 is fixedly connected with the mounting plate 401, the top end of the plug rod 407 is fixedly connected with the snap ring 408, the plug rod 407 is sleeved with the third spring 409, the two ends of the third spring 409 are fixedly connected with the top of the sleeve plate 405 and the bottom of the snap ring 408 respectively, the clamping plate 404 is provided with a clamping groove 410, a plurality of groups of protrusions 411 are fixedly connected with the inner wall of the clamping groove 410.

[0041] Specifically, the clamping groove 410 is arranged on the clamping plate 404, and a plurality of groups of protrusions 411 are fixedly connected to the inner wall of the clamping groove 410; when the clamping groove 410 is attached to the surface of the connector body 5, the protrusions 411 are clamped in the recess 502; then the sleeve plate 405 is pushed by the elastic force of the third spring 409; one end of the sleeve plate 405 is fixedly connected to the clamping plate 404; the movement of the sleeve plate 405 drives the clamping plate 404 to move, so that the clamping plate 404 can press the connector body 5 as a whole, thereby avoiding the disconnection between the connector body 5 and the socket.

[0042] When the L-shaped plate 105 on the frame 104 is clamped on the socket, the groove plate 2 and the sliding plate 201 are arranged between the frame 104 and the frame body 1; when the sliding plate 201 is fixedly connected to the inside of the groove plate 2, the handle 214 is rotated; the rotation of the handle 214 drives the rod body 211 to rotate through the driven plate 213; the cam 212 is fixedly connected to the rod body 211; the clamping block 209 is attached to the cam 212 by the elastic force of the first spring 208; the clamping block 209 is pushed downward by the rotation of the cam 212, so that the clamping block 209 is attached to the surface of the sliding plate 201, and the sliding plate 201 in the groove plate 2 is fixed, thereby avoiding the loosening of the frame 104.

[0043] When the support 303 is opened, the screw handle 309 is threadedly connected to the sliding sleeve 308; the screw handle 309 is rotated and then pulled down, so that the sliding sleeve 308 slides on the positioning rod 310; the sliding of the sliding sleeve 308 extrudes the second spring 312; the horizontal plate 307 on the sliding sleeve 308 moves the push plate 305 through the connecting plate 306; the push plate 305 opens the support 303, thereby facilitating the placement of the connector body 5; similarly, when the screw handle 309 is loosened, the sliding sleeve 308 moves upward by the elastic force of the second spring 312, so that the clamping plate 404 is attached to the connector body 5.

[0044] The clamping groove 410 is arranged on the clamping plate 404, and a plurality of groups of protrusions 411 are fixedly connected to the inner wall of the clamping groove 410; when the clamping groove 410 is attached to the surface of the connector body 5, the protrusions 411 are clamped in the recess 502; then the sleeve plate 405 is pushed by the elastic force of the third spring 409; one end of the sleeve plate 405 is fixedly connected to the clamping plate 404; the movement of the sleeve plate 405 drives the clamping plate 404 to move, so that the clamping plate 404 can press the connector body 5 as a whole, thereby avoiding the disconnection between the connector body 5 and the socket.

[0045] The application also provides a connector with anti-loosening locking, comprising:

[0046] The connector body 5 is arranged in the inside of the clamping groove 410, the top of the connector body 5 is threadedly connected with the wire harness head 501, the surface of the connector body 5 is provided with a plurality of groups of grooves 502, the inside of the groove 502 is clamped with the protrusion 411, the bottom end of the connector body 5 is fixedly connected with the retaining ring 503, the retaining ring 503 is attached to the bottom surface of the clamping plate 404, and the bottom end of the connector body 5 is provided with the plug-in end 504.

[0047] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A connector anti-loosening locking device, characterized in that, include A pair of frame bodies (1), with a crossbar (101) fixedly connected between the two ends of the pair of frame bodies (1), and two first sleeves (102) slidably connected to both sides of the crossbar (101). On the same side, the two first sleeves (102) are respectively fixedly connected to the surface of the side that is close to each other, and the other ends of the two first sleeves (102) are fixedly connected to a frame (104). An L-shaped plate (105) is detachably installed on the inner wall of the frame (104), and a foam pad (106) is provided on the inner wall of the L-shaped plate (105). It also includes a locking component, an opening component and a fastening component. The locking component is disposed on the frame (104) to fix the frame (1) as a whole to the socket. The opening component is disposed on the crossbar (101) to cooperate in placing the connector body (5). The fastening component is disposed on the opening component to fix the position of the connector body (5).

2. The anti-loosening locking device for connectors according to claim 1, characterized in that: The locking assembly includes a slotted plate (2) fixedly installed at the middle position of the outer side of the frame (104), a sliding plate (201) is slidably connected inside the slotted plate (2), one end of the sliding plate (201) is fixedly connected to the inner wall of the frame (1), and a locking head (202) is fixedly connected to one end of the slotted plate (2).

3. The anti-loosening locking device for connectors according to claim 2, characterized in that: The locking head (202) has through slots (203) on both sides. A side plate (204) is slidably connected inside the through slot (203). The side plate (204) is slidably connected to the side rod (205). The top end of the side rod (205) is fixedly connected to the shaft seat (206). The shaft seat (206) is fixedly connected to one side of the locking head (202). A collar (207) is fixedly connected to the bottom end of the side rod (205). A first spring (208) is sleeved on the side rod (205). The two ends of the first spring (208) are respectively in contact with the bottom surface of the side plate (204) and the top surface of the collar (207).

4. The anti-loosening locking device for connectors according to claim 3, characterized in that: The side plate (204) is fixedly connected to one side of the clamping block (209). The clamping block (209) is located inside the locking head (202). The top of the clamping block (209) is provided with a first arc-shaped groove (210). A rod (211) is rotatably connected between the inner walls of the locking head (202). A cam (212) is fixedly installed on the rod (211). The cam (212) fits against the inner wall of the first arc-shaped groove (210). A driven plate (213) is fixedly connected to the rod (211). A gripping rod (214) is fixedly connected between the top ends of the driven plates (213).

5. The anti-loosening locking device for connectors according to claim 2, characterized in that: The opening assembly includes a second sleeve (3) fixedly installed at the middle position of the crossbar (101). A limiting plate (301) is fixedly connected to the surface of the second sleeve (3). A first shaft pin (302) is fixedly connected to the limiting plate (301). A bracket (303) is rotatably connected to the first shaft pin (302). A pair of brackets (303) are provided.

6. The anti-loosening locking device for connectors according to claim 5, characterized in that: A second shaft pin (304) is fixedly connected to the side of the bracket (303), and a push plate (305) is rotatably connected to the second shaft pin (304). The other end of the push plate (305) is rotatably connected to the connecting plate (306). A horizontal plate (307) is fixedly connected to the middle of the connecting plate (306), and a sliding sleeve (308) is fixedly connected to the other end of the horizontal plate (307).

7. The anti-loosening locking device for connectors according to claim 6, characterized in that: The sliding sleeve (308) is threaded with a bolt handle (309). The sliding sleeve (308) is slidably connected to the positioning rod (310). The bottom end of the positioning rod (310) is fixedly connected to the base (311). The bottom end of the base (311) is fixedly installed at the middle position of the surface of the limiting plate (301). A second spring (312) is sleeved on the limiting plate (301). The two ends of the second spring (312) are fixedly connected to the bottom surface of the sliding sleeve (308) and the top surface of the base (311), respectively.

8. The anti-loosening locking device for connectors according to claim 5, characterized in that: The fastening assembly includes a movable groove (4) located in the middle of the bracket (303). A mounting plate (401) is attached to the top surface of the bracket (303). A screw (402) is provided on the mounting plate (401). The bottom end of the screw (402) is inserted into the movable groove (4). The mounting plate (401) is fixedly connected to one side of the pressure plate (403). A clamping plate (404) is slidably connected to the inner side of the pressure plate (403). A sleeve plate (405) is fixedly connected to the middle of the clamping plate (404).

9. The anti-loosening locking device for connectors according to claim 8, characterized in that: A sliding groove (406) is provided in the middle of the pressure plate (403). One end of the sleeve plate (405) is slidably connected to the insert rod (407) through the sliding groove (406). The bottom end of the insert rod (407) is fixedly connected to the mounting plate (401). A retaining ring (408) is fixedly connected to the top end of the insert rod (407). A third spring (409) is sleeved on the insert rod (407). The two ends of the third spring (409) are fixedly connected to the top surface of the sleeve plate (405) and the bottom surface of the retaining ring (408), respectively. A clamping groove (410) is provided on the clamping plate (404). Several sets of protrusions (411) are fixedly connected to the inner wall of the clamping groove (410).

10. A connector with anti-loosening locking, based on the anti-loosening locking device for connectors as described in any one of claims 1-9, characterized in that, include The connector body (5) is placed inside the clamping groove (410). A wire harness head (501) is threaded to the top of the connector body (5). Several sets of grooves (502) are opened on the surface of the connector body (5). A protrusion (411) is inserted inside the groove (502). A retaining ring (503) is fixedly connected to the bottom of the connector body (5). The retaining ring (503) fits against the bottom surface of the clamping plate (404). A plug end (504) is provided at the bottom of the connector body (5).

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