A self-locking waterproof connector

Abstract

The present invention discloses a self-locking waterproof connector. It comprises a connector 1 and a connector 2, the connector 1 and the connector 2 are detachably connected, a mounting groove is provided on the surface of the connector 1, a mounting block assembly matching the mounting groove is fixed on the connector 2, the connector 2 is installed on the connector 1 through the cooperation of the mounting block assembly and the mounting groove, a side through hole groove is provided on the side wall of the mounting groove, a switch assembly matching the mounting block assembly is installed at the side through hole groove, the mounting block assembly is installed in the mounting groove through the switch assembly and is detachably connected to the mounting groove. The beneficial effects of the present invention are: compact structure, close cooperation between the components, good waterproof performance; can well realize the self-locking of the connector, will not easily loosen; the assembly and disassembly processes are very simple and convenient, easy for staff to operate, and easy for later maintenance.

Description

Technical Field

[0001] The present invention relates to the technical field related to connectors, and in particular to a self-locking waterproof connector. Background Art

[0002] A connector generally refers to an electrical connector, that is, a device that connects two active devices to transmit current or signals. Its function is very simple: to build a bridge of communication between blocked or isolated circuits in a circuit, so that current can flow and the circuit can achieve its intended function. Nowadays, connectors are not limited to connecting current. With the rapid development of optoelectronic technology, in optical fiber systems, the carrier for transmitting signals is light. Glass and plastic replace the wires in ordinary circuits, but connectors are also used in optical signal paths, and their functions are the same as those of circuit connectors.

[0003] Most of the connector products with existing structures are locked with threads or springs after the male and female ends are plugged in. After the plug-in is in place, the screws need to be tightened, which is very time-consuming to use, and the screws are not easy to lock. When in a long-term vibration environment, the screws will become loose, causing the contact or waterproof function to fail, and the screws of the male and female ends need to be manufactured on a lathe, which is very costly. Summary of the invention

[0004] The present invention aims to overcome the disadvantages of the prior art that the connector is inconvenient to disassemble and assemble and is prone to loosening, and provides a self-locking waterproof connector which is easy to disassemble and assemble, has a compact structure, and is not prone to loosening.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A self-locking waterproof connector comprises a connector 1 and a connector 2, wherein the connector 1 and the connector 2 are detachably connected, a mounting groove is provided on the surface of the connector 1, a mounting block assembly matching the mounting groove is fixed on the connector 2, the connector 2 is mounted on the connector 1 through the cooperation of the mounting block assembly and the mounting groove, a side through hole groove is provided on the side wall of the mounting groove, a switch assembly matching the mounting block assembly is installed at the side through hole groove, the mounting block assembly is mounted in the mounting groove through the switch assembly and is detachably connected to the mounting groove.

[0007] Connector one and connector two are detachably connected, a mounting groove is provided on the surface of connector one, a mounting block assembly matching the mounting groove is fixed on connector two, connector two is installed on connector one through the cooperation of the mounting block assembly and the mounting groove, a side through hole groove is provided on the side wall of the mounting groove, a switch assembly matching the mounting block assembly is installed at the side through hole groove, the mounting block assembly is installed in the mounting groove through the switch assembly and is detachably connected to the mounting groove, the structure is compact, will not easily loosen, and is very convenient to assemble and disassemble, facilitating later maintenance.

[0008] Preferably, the mounting block assembly includes a slide plate 1 which is slidably connected to the mounting groove, a snap-on flange 1 which matches the side through-hole groove is fixed on the slide plate 1, the slide plate 1 is snap-connected to the mounting groove through the cooperation of the snap-on flange 1 and the side through-hole groove, the switch assembly includes a fixing plate 1 which matches the snap-on flange 1, the fixing plate 1 is installed at the side through-hole groove, the snap-on flange 1 is detachably connected to the side through-hole groove through the fixing plate 1, the snap-on connection method is convenient and quick to install, the structure is compact, and the waterproofness of the connector can be well ensured; the self-locking of the connector is well achieved through the cooperation of the snap-on flange 1 and the side through-hole groove, and the loosening of the connector head 1 and the connector head 2 is prevented; when disassembling, the snap-on flange 1 can be pushed out of the side through-hole groove by pressing the fixing plate 1, which is simple, convenient and easy to operate.

[0009] Preferably, one end of slide plate one is placed on connector two and is integrally formed with connector two, snap flange one is fixed on the other end of slide plate one, snap flange one is provided with a transition slope matching the opening edge of the mounting groove, one end of fixing plate one is placed on the side wall of the side through hole groove and is integrally formed with the side through hole groove, the other end of fixing plate one is located outside the side through hole groove, the maximum distance from fixing plate one to the side wall of the side through hole groove is less than the width of snap flange one, slide plate one and connector two and fixing plate one and the side through hole groove are all integrally formed, which greatly enhances the overall structural strength; the added transition slope facilitates slide plate one to slide into the mounting groove.

[0010] Preferably, the mounting block assembly includes a slide plate 2 which is slidably connected to the mounting groove, a card slot 1 being provided on the slide plate 2, and the switch assembly includes a fixed plate 2 installed at the side through hole groove, a card block 1 matching the card slot 1 being installed on the fixed plate 2, and the fixed plate 2 is card-connected with the slide plate 2 through the cooperation of the card block 1 and the card slot 1. The card connection method is convenient and quick to install, with a compact structure, and ensures the waterproofness of the connector; the self-locking of the connector is well achieved through the cooperation of the card block 1 and the card slot 1, and the loosening of the connector head 1 and the connector head 2 is prevented; when disassembling, the fixed plate 2 is pulled up to make the card block 1 on the fixed plate 2 separate from the card slot 1 of the slide plate 2, thereby achieving the purpose of disassembly, which is simple, convenient and easy to operate.

[0011] Preferably, one end of the fixing plate two is arranged on the side wall of the side through hole groove and is integrally formed with the side through hole groove, a circular buckle one is fixed on the other end of the fixing plate two, a circular buckle two matching the circular buckle one is fixed on one side of the clamping block one, the circular buckle two is buckled in the circular buckle one, and the clamping block one is installed on the fixing plate two through the cooperation of the circular buckle two and the circular buckle one, the fixing plate two and the side through hole groove are integrally formed with high strength; the clamping block one can rotate freely relative to the fixing plate two, the structure is flexible, and it will not be stuck when pulled up.

[0012] Preferably, one end of the slide plate 2 is placed on the connecting head 2 and is integrally formed with the connecting head 2, a connecting slide groove is arranged between the end face of the slot 1 and the other end of the slide plate 2, the width of the connecting slide groove is smaller than the width of the slot 1, a fixing pin matching the connecting slide groove is fixed to the other side of the block 1, a fixing pin slide groove matching the fixing pin is arranged on the side wall of the mounting groove, the fixing pin slide groove is arranged on the side wall opposite to the side through hole groove, the fixing pin is placed in the fixing pin slide groove and is slidably connected with the fixing pin slide groove, the slide plate 2 and the connecting head 2 are integrally formed with high strength; through the cooperation of the fixing pin and the connecting slide groove, a movement guiding function of the slide plate 2 and the block 1 is played, so that the block 1 can be smoothly buckled into the slot 1.

[0013] Preferably, the switch assembly includes a V-shaped rotating block, which is placed in the mounting groove and whose bottom is installed on the side wall opposite to the side through hole groove. The bottoms of the two side plates of the V-shaped rotating block are rotatably connected to the mounting groove. The mounting block assembly includes a slide plate three that is slidably connected to the mounting groove. One end of the slide plate three is placed on the connector two and is integrally formed with the connector two. The other end of the slide plate three is provided with a T-slot matching the V-shaped rotating block. The slide plate three is installed in the mounting groove through the cooperation of the T-slot and the V-shaped rotating block and is detachably connected to the mounting groove. The slide plate three and the connector two are integrally formed and have high strength. The cooperation of the T-slot and the V-shaped rotating block realizes the self-locking of the connector well, thereby ensuring the waterproofness of the connector.

[0014] Preferably, the opening of the T-slot and the V-shaped rotating block are placed on the same straight line, a reset torsion spring is installed at the connection of the two side plates of the V-shaped rotating block, the slot width at the opening of the T-slot is the minimum slot width of the T-slot, the slot width at the opening of the T-slot is greater than the minimum distance between the tops of the two side plates of the V-shaped rotating block, and the slot width at the opening of the T-slot is less than the maximum distance between the tops of the two side plates of the V-shaped rotating block. When assembling, first close the two side plates of the V-shaped rotating block, and then slide the sliding plate three into the installation slot. After the closed V-shaped rotating block passes through the opening of the T-slot The user can then enter the T-slot, then loosen the V-shaped rotating block, and the two side plates will be stretched open by the reset torsion spring, and can be stuck in the T-slot, thereby locking the slide plate three. The operation is convenient and quick, the structure is compact, and the waterproofness of the connector is ensured. The self-locking of the connector is well achieved through the cooperation of the T-slot and the V-shaped rotating block, and the loosening of the connector head one and the connector head two is prevented. When disassembling, the locking effect of the slide plate three can be cancelled by closing the two side plates again, and the slide plate three can slide out of the installation slot smoothly, thereby achieving the purpose of disassembly. The operation is simple, convenient and easy to operate.

[0015] Preferably, the tops of the two side panels of the V-shaped rotating block are respectively placed on the side walls on both sides of the side through hole groove, and the tops of the two side panels of the V-shaped rotating block are fixed with two snap flanges matching the side walls on both sides of the side through hole groove. The tops of the two side panels of the V-shaped rotating block are respectively snapped onto the side walls on both sides of the side through hole groove through the two snap flanges. The added two snap flanges are convenient for the staff to move and can easily and conveniently close the two side panels. On the other hand, the loosened side panels can be well buckled on the side walls of the side through hole groove for fixing.

[0016] Preferably, a guide groove is provided on the first connector, and the guide groove and the mounting groove are both located on the right side surface of the first connector, and a guide column matching the guide groove is provided on the second connector, and the guide column and the mounting head are both located on the left side surface of the second connector, and the guide column and the second connector are integrally formed, and the first connector is slidably connected to the second connector through the cooperation of the guide groove and the guide column, and a wire mounting head is clamped on the left side surface of the first connector, and a wire one is installed in the wire mounting head, and the wire end of the wire one passes through the left side surface of the first connector and is installed on the bottom surface of the guide groove, and a wire mounting head is clamped on the right side surface of the second connector, and a wire two is installed in the wire mounting head, and the wire end of the wire two passes through the right side surface of the second connector and is placed on the top surface of the guide column. The guide column and the guide groove play a guiding role in assembling the first connector and the second connector, and play a conducting role between the first wire and the second wire on the other hand; with the cooperation of the mounting block assembly and the switch assembly, the self-locking of the connector can be well realized, and the guide column and the guide groove are tightly connected, which greatly enhances its waterproof performance and prevents the connector from leaking and failing.

[0017] The beneficial effects of the present invention are: compact structure, close fit between components, and good waterproof performance; the connector can be self-locked and will not loosen easily; the assembly and disassembly processes are very simple and convenient, which is convenient for staff to operate and easy for subsequent maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the present invention;

[0019] Figure 2 yes Figure 1 The assembly diagram of the middle connector 1 and connector 2;

[0020] Figure 3 yes Figure 2 The main view of

[0021] Figure 4 yes Figure 3 A full cross-sectional view of

[0022] Figure 5 yes Figure 3 A structural diagram of the first embodiment;

[0023] Figure 6 yes Figure 5 A full cross-sectional view of

[0024] Figure 7 yes Figure 3 The structural diagram of the second embodiment;

[0025] Figure 8 yes Figure 7 A full cross-sectional view of

[0026] Fig. 9 yes Figure 8 The enlarged view of point A in the middle;

[0027] Fig.10 yes Figure 7 The structural diagram of the middle skateboard 2;

[0028] Fig.11 yes Figure 3 The structural diagram of the third embodiment;

[0029] Fig.12 yes Fig.11 A full cross-sectional view of

[0030] Fig.13 yes Fig.11 Sectional view at the middle BB;

[0031] Fig.14 yes Fig.12 Schematic diagram of the structure of the middle skateboard three.

[0032] In the figure: 1. Wire 1, 2. Wire mounting head 1, 3. Connecting head 1, 4. Connecting head 2, 5. Wire mounting head 2, 6. Wire 2, 7. Side through hole groove, 8. Mounting groove, 9. Guide column, 10. Guide groove, 11. Fixed plate 1, 12. Transition slope, 13. Buckle flange 1, 14. Slide plate 1, 15. Fixed plate 2, 16. Slide plate 2, 17. Ring buckle 1, 18. Ring buckle 2, 19. Slot 1, 20. Fixed pin slot, 21. Fixed pin, 22. Block 1, 23. Connecting slot, 24. T-slot, 25. V-shaped rotating block, 26. Slide plate 3, 27. Reset torsion spring, 28. Buckle flange 2. DETAILED DESCRIPTION

[0033] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0034] like Figure 2 and Figure 3 In the embodiment described, a self-locking waterproof connector includes a connector 1 3 and a connector 2 4, and the connector 1 3 and the connector 2 4 are detachably connected. Figure 4As shown, a mounting groove 8 is provided on the surface of the connector 1 3, a mounting block assembly matching the mounting groove 8 is fixed on the connector 2 4, the connector 2 4 is installed on the connector 1 3 through the cooperation of the mounting block assembly and the mounting groove 8, a side through hole groove 7 is provided on the side wall of the mounting groove 8, a switch assembly matching the mounting block assembly is installed at the side through hole groove 7, the mounting block assembly is installed in the mounting groove 8 through the switch assembly and is detachably connected to the mounting groove 8.

[0035] like Figure 5 and Figure 6 As shown, the mounting block assembly includes a slide plate 14 slidably connected to the mounting groove 8, a snap flange 13 matching the side through hole groove 7 is fixed on the slide plate 14, the slide plate 14 is snapped with the mounting groove 8 through the cooperation of the snap flange 13 and the side through hole groove 7, the switch assembly includes a fixing plate 11 matching the snap flange 13, the fixing plate 11 is installed at the side through hole groove 7, and the snap flange 13 is detachably connected to the side through hole groove 7 through the fixing plate 11.

[0036] One end of the slide plate 14 is placed on the connector 2 4 and is integrally formed with the connector 2 4, a snap-on flange 13 is fixed to the other end of the slide plate 14, a transition slope 12 matching the opening edge of the mounting groove 8 is provided on the snap-on flange 13, one end of the fixing plate 11 is placed on the side wall of the side through hole groove 7 and is integrally formed with the side through hole groove 7, the other end of the fixing plate 11 is located outside the side through hole groove 7, and the maximum distance from the fixing plate 11 to the side wall of the side through hole groove 7 is less than the width of the snap-on flange 13.

[0037] like Figure 7 , Figure 8 , Fig. 9 and Fig.10 As shown, the mounting block assembly includes a slide plate 16 slidably connected to the mounting groove 8, and a card slot 19 is provided on the slide plate 16. The switch assembly includes a fixed plate 15 installed at the side through hole groove 7, and a card block 22 matching the card slot 19 is installed on the fixed plate 15. The fixed plate 15 is card-connected with the slide plate 16 through the cooperation of the card block 22 and the card slot 19.

[0038] One end of the fixing plate 2 15 is arranged on the side wall of the side through hole groove 7 and is integrally formed with the side through hole groove 7, a circular ring buckle 17 is fixed on the other end of the fixing plate 2 15, a circular ring buckle 18 matching the circular ring buckle 17 is fixed on one side of the clamping block 1 22, the circular ring buckle 18 is buckled in the circular ring buckle 17, and the clamping block 1 22 is installed on the fixing plate 2 15 through the cooperation of the circular ring buckle 18 and the circular ring buckle 17.

[0039] One end of the slide plate 16 is placed on the connector 4 and is integrally formed with the connector 4. A connecting groove 23 is arranged between the slot 19 and the end face of the other end of the slide plate 16. The width of the connecting groove 23 is smaller than the width of the slot 19. A fixing pin 21 matching the connecting groove 23 is fixed on the other side of the block 22. A fixing pin groove 20 matching the fixing pin 21 is arranged on the side wall of the mounting groove 8. The fixing pin groove 20 is arranged on the side wall opposite to the side through hole groove 7. The fixing pin 21 is placed in the fixing pin groove 20 and is slidably connected with the fixing pin groove 20.

[0040] like Fig.11 , Fig.12 , Fig.13 and Fig.14 As shown, the switch assembly includes a V-shaped rotating block 25, which is placed in the mounting groove 8 and has its bottom installed on the side wall opposite to the side through hole groove 7. The bottoms of the two side plates of the V-shaped rotating block 25 are rotatably connected to the mounting groove 8. The mounting block assembly includes a slide plate three 26 that is slidably connected to the mounting groove 8. One end of the slide plate three 26 is placed on the connector two 4 and is integrally formed with the connector two 4. The other end of the slide plate three 26 is provided with a T-slot 24 that matches the V-shaped rotating block 25. The slide plate three 26 is installed in the mounting groove 8 through the cooperation of the T-slot 24 and the V-shaped rotating block 25 and is detachably connected to the mounting groove 8.

[0041] The opening of the T-slot 24 is placed on the same straight line as the V-shaped rotating block 25, and a reset torsion spring 27 is installed at the connection between the two side plates of the V-shaped rotating block 25. The slot width at the opening of the T-slot 24 is the minimum slot width of the T-slot 24, the slot width at the opening of the T-slot 24 is greater than the minimum distance between the tops of the two side plates of the V-shaped rotating block 25, and the slot width at the opening of the T-slot 24 is less than the maximum distance between the tops of the two side plates of the V-shaped rotating block 25.

[0042] The tops of the two side plates of the V-shaped rotating block 25 are respectively placed on the side walls on both sides of the side through hole groove 7, and the tops of the two side plates of the V-shaped rotating block 25 are fixed with snap flanges 28 matching the side walls on both sides of the side through hole groove 7. The tops of the two side plates of the V-shaped rotating block 25 are respectively snapped onto the side walls on both sides of the side through hole groove 7 through the snap flanges 28.

[0043] like Figure 4 As shown, a guide groove 10 is provided on the connector 1 3, and the guide groove 10 and the mounting groove 8 are both located on the right side surface of the connector 1 3. A guide column 9 matching the guide groove 10 is provided on the connector 2 4, and the guide column 9 and the mounting head are both located on the left side surface of the connector 2 4. The guide column 9 and the connector 2 4 are integrally formed, and the connector 1 3 is slidably connected to the connector 2 4 through the cooperation of the guide groove 10 and the guide column 9.

[0044] like Figure 1 and Figure 4As shown, a wire installation head 2 is clamped on the left side surface of the connector 3, a wire 1 is installed in the wire installation head 2, the end of the wire 1 passes through the left side surface of the connector 3 and is installed on the bottom surface of the guide groove 10, and a wire installation head 25 is clamped on the right side surface of the connector 4, a wire 26 is installed in the wire installation head 25, and the end of the wire 26 passes through the right side surface of the connector 4 and is placed on the top surface of the guide column 9.

[0045] like Figure 5 and Figure 6 In the embodiment described above: during assembly, the guide post 9 of the connector 2 4 is slid into the guide groove 10 of the connector 1 3 (the slide plate 14 then slides into the mounting groove 8). When the guide post 9 slides to the bottom, the buckle flange 13 on the slide plate 14 just buckles on the side wall of the side through hole groove 7, and the assembly is completed; during disassembly, the fixing plate 11 is pressed to push the buckle flange 13 out of the side through hole groove 7, and the slide plate 14 can smoothly slide out of the mounting groove 8.

[0046] like Figure 7 , Figure 8 , Fig. 9 and Fig.10 In the embodiment described above: during assembly, first pull up the second fixing plate 15, and pull out the fixing pin 21 from the fixing pin slide 20. Then slide the guide column 9 of the second connector 4 into the guide groove 10 of the first connector 3 (the second slide plate 16 then slides into the installation groove 8, and the connection slide 20 is aligned with the fixing pin 21). When the guide column 9 slides to the bottom, the slot 19 on the second slide plate 16 just slides to the block 122 for alignment, and then release the second fixing plate 15, the block 122 snaps into the slot 19, and the assembly is completed; during disassembly, pull up the second fixing plate 15 again, so that the block 122 on the second fixing plate 15 is separated from the slot 19 of the second slide plate 16, and the second slide plate 16 can slide out of the installation groove 8 smoothly.

[0047] like Fig.11 , Fig.12 , Fig.13 and Fig.14 In the embodiment described above: when assembling, first close the two side plates of the V-shaped rotating block 25. Then slide the guide column 9 of the connector 2 4 into the guide groove 10 of the connector 1 3 (the slide plate 3 26 then slides into the installation groove 8, and the opening of the T-shaped groove 24 is aligned with the two closed side plates). When the guide column 9 slides to the bottom, the V-shaped rotating block 25 is just placed at the bottom of the T-shaped groove 24. Then release the V-shaped rotating block 25, and the two side plates are stretched open under the restoring action of the return torsion spring 27, and are stuck in the T-shaped groove 24, and the assembly is completed; when disassembling, just close the two side plates again to cancel the blocking of the slide plate 3 26, and the slide plate 3 26 can slide out of the installation groove 8 smoothly.

Claims

1. A self-locking waterproof connector, characterized in that: The invention comprises a connector 1 (3) and a connector 2 (4), wherein the connector 1 (3) and the connector 2 (4) are detachably connected, a mounting groove (8) is provided on the surface of the connector 1 (3), a mounting block assembly matching the mounting groove (8) is fixed on the connector 2 (4), the connector 2 (4) is mounted on the connector 1 (3) through the cooperation between the mounting block assembly and the mounting groove (8), a side through hole groove (7) is provided on the side wall of the mounting groove (8), a switch assembly matching the mounting block assembly is mounted at the side through hole groove (7), and the mounting block assembly is mounted in the mounting groove (8) through the switch assembly. The switch assembly comprises a V-shaped rotating block (25), the V-shaped rotating block (25) is placed in the mounting groove (8) and its bottom is mounted on the side wall opposite to the side through hole groove (7), the bottoms of the two side plates of the V-shaped rotating block (25) are both rotatably connected to the mounting groove (8), the mounting block assembly comprises a slide plate three (26) slidably connected to the mounting groove (8), one end of the slide plate three (26) is placed on the connector two (4) and is integrally formed with the connector two (4), and the other end of the slide plate three (26) is provided with a T-shaped connector matching the V-shaped rotating block (25). The slide plate 3 (26) is installed in the installation groove (8) through the cooperation of the T-slot (24) and the V-shaped rotating block (25) and is detachably connected to the installation groove (8). The connector 1 (3) is provided with a guide groove (10). The guide groove (10) and the installation groove (8) are both located on the right side of the connector 1 (3). The connector 2 (4) is provided with a guide column (9) matching the guide groove (10). The guide column (9) and the installation head are both located on the left side of the connector 2 (4). The guide column (9) and the connector 2 (4) are integrally formed. The connector 1 (3) is provided with a guide groove (10). The guide groove (10) and the guide column (9) are slidably connected to the second connector (4); the left side surface of the first connector (3) is clamped with the first wire installation head (2); the first wire installation head (2) is installed with the first wire (1); the end of the first wire (1) passes through the left side surface of the first connector (3) and is installed on the bottom surface of the guide groove (10); the right side surface of the second connector (4) is clamped with the second wire installation head (5); the second wire installation head (5) is installed with the second wire (6); the end of the second wire (6) passes through the right side surface of the second connector (4) and is placed on the top surface of the guide column (9).

2. A self-locking waterproof connector according to claim 1, characterized in that: The opening of the T-shaped slot (24) and the V-shaped rotating block (25) are arranged on the same straight line; a return torsion spring (27) is installed at the connection between the two side plates of the V-shaped rotating block (25); the slot width at the opening of the T-shaped slot (24) is the minimum slot width of the T-shaped slot (24); the slot width at the opening of the T-shaped slot (24) is greater than the minimum distance between the tops of the two side plates of the V-shaped rotating block (25); and the slot width at the opening of the T-shaped slot (24) is less than the maximum distance between the tops of the two side plates of the V-shaped rotating block (25).

3. A self-locking waterproof connector according to claim 1, characterized in that: The tops of the two side plates of the V-shaped rotating block (25) are respectively placed on the side walls on both sides of the side through hole groove (7), and the tops of the two side plates of the V-shaped rotating block (25) are fixed with two snap-fit ​​flanges (28) matching the side walls on both sides of the side through hole groove (7). The tops of the two side plates of the V-shaped rotating block (25) are respectively snap-fitted to the side walls on both sides of the side through hole groove (7) through the two snap-fit ​​flanges (28).

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