Locking connector assembly

Abstract

The utility model relates to the technical field of electric connectors, in particular to a locking connector assembly, which comprises a plug-in shell, a board end connector and a wire end connector, and the board end connector and the wire end connector can be mutually plugged. According to the utility model, the plate end connector is installed at the plate end of the equipment, the wire end connector is cooperatively connected with the connecting wire, when in use, the wire end connector is inserted into the plate end connector to realize electric connection, and the locking structure is arranged between the two connectors, so that the phenomenon that the existing energy storage connector is easy to loosen and fall off after being inserted is solved, and the safety of the equipment is improved. The connecting plug and the connecting socket are locked and fixed through the locking element, so that locking of the connector after plug-in is realized, connection stability of the connector is ensured, and transmission of the plug-in connector is kept.

Description

Technical Field

[0001] The utility model relates to the technical field of electric connectors, in particular to a locking connector assembly. Background Art

[0002] Energy storage connector is a connector specially used for connecting and transmitting electric energy. Its main function is to provide current transmission, voltage distribution and partial protection of system battery pack. It needs to withstand high voltage and high current, and also has to have low enough contact resistance, so as to ensure stable current transmission and low energy consumption, and improve the efficiency of the whole energy storage system.

[0003] When using the energy storage connector, the connector needs to maintain contact without disconnection or loosening. Existing connectors are prone to loosening and falling off when affected by external forces, so it is necessary to improve the plug structure of the existing energy storage connector. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a locking connector assembly that inserts a line-end connector into a board-end connector to achieve electrical connection, and a locking structure is set between the two connectors to solve the problem that the existing energy storage connector is prone to loosening and falling off after insertion.

[0005] The technical solution adopted by the utility model is: a locking connector assembly, including a board-end connector and a line-end connector, the board-end connector and the line-end connector can be plugged into each other; the board-end connector includes a plug-in shell, a locking element, a board-end fixing seat and a board-end electrical terminal, the plug-in shell includes a fixing panel, a plug connector and a board-end fixing cavity, the fixing panel is used to separate the plug connector and the fixing cavity, the plug connector is provided with an insertion port and a board-end plug-in cavity, one end of the insertion port is connected to the board-end plug-in cavity, the board-end plug-in cavity is provided with a plurality of plug-in columns, one end of the plug-in columns is connected to the board-end fixing cavity, the plug connector is provided near the fixing panel An end face groove and lateral slide grooves on both sides of the end face groove are provided, and an elastic element is provided at a position of the end face groove close to the lateral slide groove; the locking element includes a locking beam and sliding pins arranged on both sides of the locking beam, a locking block is arranged on the outer side of the sliding pin, the sliding pin can be slidably arranged on the lateral slide groove, and one end of the elastic element is pressed toward the locking beam; the board end fixing seat includes an installation fixing part and a plug-in fixing part, the plug-in fixing part is provided with an electrical connection fixing sleeve, the installation fixing part is arranged in the board end fixing cavity, and the electrical connection fixing sleeve extends toward the plug-in column; the board end electrical terminal includes a board end wiring part, a fixed installation part and a board end The plug-in part, the fixed installation part is installed in the power connection fixing sleeve, and one end of the board-end plug-in part extends to the inside of the plug-in column; the wire-end connector includes a wire-end housing, a wire-end fixing seat, a wire-end power terminal and a terminal fixing piece, the wire-end housing is provided with a locking cavity, a wire-end plug-in cavity, a wire-end fixing cavity and a wire-end connecting cavity, the locking cavity is connected with the wire-end plug-in cavity, the wire-end fixing cavity and the wire-end connecting cavity in sequence, a locking step is provided between the locking cavity and the wire-end plug-in cavity, and a locking groove is provided on the side wall of the locking cavity, and the locking groove is used to lock the connector when the connector is plugged in; the wire-end fixing seat includes a wire-end fixing part and a wire-end plug-in part, the wire-end The fixing part is arranged in the wire end fixing cavity, one end of the wire end plug-in part extends to the outside of the locking cavity, the wire end fixing seat is provided with a plurality of terminal fixing grooves, one side of the wire end fixing part is provided with an assembly positioning groove, one side of the assembly positioning groove is connected to the terminal fixing groove; a plurality of wire end electrical terminals are arranged, one end of the wire end electrical terminal is inserted in the terminal fixing groove, and the other end extends toward the locking cavity; the terminal fixing piece is installed in the assembly positioning groove and fixes the wire end electrical terminal on the terminal fixing groove; one end of the plug connector is inserted into the wire end plug-in cavity, so that the locking element corresponds to the locking cavity, and is locked by the locking block cooperating with the locking groove.

[0006] A further improvement to the above solution is that the fixed panel is provided with an installation sealing groove on the periphery of the fixed cavity, and a first sealing ring is installed on the installation sealing groove. The first sealing ring is used to seal the periphery of the fixed cavity when the fixed panel is installed.

[0007] A further improvement to the above solution is that a plug-in sealing groove is provided on the outer periphery of the plug connector, and a second sealing ring is installed in the plug-in sealing groove, and the second sealing ring is used to seal the outer periphery of the plug connector when the plug connector is plugged in.

[0008] A further improvement to the above solution is that the size of the insertion port is larger than the size of the board end plug-in cavity, and a stop plug-in step is provided between the board end plug-in cavity and the insertion port.

[0009] A further improvement to the above scheme is that a plug-in guide bar and a plug-in positioning bar are provided in the board end plug-in cavity, and both the plug-in guide bar and the plug-in positioning bar protrude toward the board end plug-in cavity.

[0010] A further improvement to the above scheme is that a limiting spring piece is provided on the fixed panel above the locking beam, and the limiting spring piece includes an embedded part and a spring piece part, one end of the embedded part is embedded in the fixed panel, and the locking beam is provided with a positioning groove toward the spring piece part, one end of the limiting spring piece is connected to the embedded part, and the other end faces the locking beam, so as to limit the locking beam when the elastic element is pressed.

[0011] A further improvement to the above scheme is that sliding baffles are provided on both sides of the lateral slide groove, and sliding steps are provided on both sides of the sliding pin, and the sliding steps are used to cooperate with the sliding baffles to enable the sliding pin to keep sliding in the lateral slide groove.

[0012] A further improvement to the above scheme is that a sliding limit slot is provided in the lateral sliding slot, the sliding pin is provided with a sliding elastic buckle, an elastic slot is provided on the periphery of the sliding elastic buckle, the sliding elastic buckle can be slidably set in the sliding limit slot, one end of the sliding limit slot is provided with a limiting platform, and the limiting platform is used for limiting the sliding elastic buckle.

[0013] A further improvement to the above scheme is that one side of the locking beam can be sunk into the end face groove, elastic grooves are provided on both sides of the end face groove, positioning columns are provided in the elastic grooves, and a positioning sleeve is provided on the locking beam facing the positioning column, and the elastic element is a spring and is provided between the positioning column and the positioning sleeve.

[0014] A further improvement to the above scheme is that the installation and fixing portion is provided with a board-end wiring groove, the board-end wiring portion is arranged in the board-end wiring groove, and the board-end wiring groove is used for wiring the board-end wiring portion.

[0015] A further improvement to the above scheme is that the power connection fixing sleeve is provided with an opening and closing clamping portion, the outer diameter of the opening and closing clamping portion is circumferentially evenly distributed with multiple elastic clamping grooves for clamping and fixing the fixed mounting portion, and the fixed mounting portion is provided with a clamping groove for clamping and fixing the opening and closing clamping portion.

[0016] A further improvement to the above scheme is that board end fixing buckles are provided on both sides of the plug-in fixing part, and a board end fixing slot is provided in the fixing cavity, and the board end fixing buckles are used to cooperate with the board end fixing slot to fix the plug-in fixing part in the fixing cavity.

[0017] A further improvement to the above solution is that the plug-in portion is provided with a mating hole, and the mating hole is provided with a contact ring, which is a conductive contact ring for generating contact resistance when the connectors are mated.

[0018] A further improvement to the above scheme is that the locking cavity is provided with a locking slot on one side of the stop step, one end of the locking slot is connected to the outside of the wire end housing, and the locking cavity is provided with a through hole on one side of the locking slot.

[0019] A further improvement to the above scheme is that the locking groove includes an entry portion and a locking portion, and an L-shaped locking groove is formed between the entry portion and the locking portion; the locking block enters from the entry portion, and under the action of the elastic element, pushes the locking beam upward to drive the locking block to enter the locking portion.

[0020] A further improvement to the above scheme is that the entry portion and the locking portion are each provided with two groups; a guide slope is provided on one side of the locking block, and two locking blocks are provided.

[0021] A further improvement to the above scheme is that assembly slots are provided on both sides of the wire end fixing cavity, assembly buckles are provided on both sides of the wire end fixing part, and elastic slots are provided on both sides of the assembly buckle so that the assembly buckle has elastic tension during assembly, and the assembly buckle is used to cooperate with the assembly slot to fix the wire end fixing part in the wire end fixing cavity.

[0022] A further improvement to the above scheme is that a wiring groove is provided between the wire end fixing cavity and the wire end connecting cavity, and the wiring groove is provided with a plurality of reinforcing ribs, one end of the reinforcing rib is used for positioning during assembly of the wire end fixing seat.

[0023] A further improvement to the above solution is that a plurality of plug-in guide grooves are arranged on the outside of the plug-in portion, and the plug-in guide grooves are used to guide the plug-in when the plug-in portions are plugged in.

[0024] A further improvement to the above scheme is that the wire end plug-in portion is provided with a plurality of plug-in holes, one end of the plug-in hole is connected to the terminal fixing groove, one end of the wire end electrical terminal is provided with a pin, one end of the pin extends into the plug-in hole.

[0025] A further improvement to the above scheme is that a through hole is provided on one side of the wire end fixing portion, one end of the through hole is connected to the terminal fixing groove, the wire end electrical terminal is provided with a wire end wiring portion, the wire end wiring portion is provided with a wire end wiring groove and a locking screw, the locking screw is used to lock the connecting wire in the wire end wiring groove, and one end of the locking screw is inserted from the through hole into the wire end wiring portion.

[0026] A further improvement to the above scheme is that a terminal fixing buckle is provided on the outer side of the terminal fixing piece, and a terminal fixing slot is provided in the terminal fixing groove, and the terminal fixing buckle is used to cooperate with the terminal fixing slot to fix the terminal fixing piece in the terminal fixing slot; the terminal fixing piece is provided with a plurality of through slots for passing the connecting wire.

[0027] A further improvement to the above scheme is that it also includes a wiring sleeve, the wiring sleeve includes a locking sleeve and a tensioning sleeve, the locking sleeve is located at one end of the tensioning sleeve and a positioning ring is provided, a positioning ring is provided in the wire end connecting cavity, a tensioning groove is formed between the positioning ring and the positioning ring, and the tensioning sleeve is provided in the tensioning groove.

[0028] A further improvement to the above scheme is that the locking sleeve is a threaded locking sleeve, a threaded sleeve is arranged on the outside of the wire end connecting cavity, and the locking sleeve is connected to the outside of the wire end connecting cavity by a thread; the tensioning sleeve includes a wire end sealing ring and a shrinking sleeve arranged on the outside of the wire end sealing ring, and a plurality of shrinking sheets are arranged on the outer periphery of the shrinking sleeve. When the locking sleeve is locked, pressure is provided to the shrinking sleeve through the inner diameter, so that the wire end sealing ring is tightened through the shrinking sheet to seal and lock the connector.

[0029] The beneficial effects of the utility model are:

[0030] Compared with the existing connectors, the utility model is installed on the board end of the device through the board end connector, and the line end connector is connected with the connecting wire. When in use, the line end connector is inserted into the board end connector to realize electrical connection. A locking structure is set between the two connectors, which solves the problem that the existing energy storage connector is prone to loosening and falling off after plugging in. The connecting plug and the connecting socket are locked and fixed by the locking element to realize the locking of the connector after plugging in, thereby ensuring the stability of the connector connection and allowing the plugged connectors to maintain transmission.

[0031] The connector plug-in locking structure is provided with locking elements and locking grooves, and uses locking beams, sliding pins, elastic elements, etc. to lock the connector after plugging, thereby ensuring the stability and reliability of the connector. It can effectively prevent the connector from falling off or loosening under external forces such as vibration and impact, thereby improving the service life and stability of the connector. Locking can be achieved through the top pressure of the elastic element. The connector is smoother during the plug-in process, reducing the difficulty of operation and the possibility of misoperation, and improving the reliability of the connector.

[0032] The board-end connector is provided with an end face groove and a lateral sliding groove on the plug connector of the plug shell to match the locking beam and the sliding pin of the locking element, and under the action of the elastic element, the sliding pin of the locking element slides on the lateral sliding groove, and is actively locked when plugged with the connector to ensure the stability of the connector after plugging. The problem that the existing connector is prone to loosening and falling off after plugging is solved. The locking element is used to lock and fix the connector after plugging, and the board-end electrical terminal and the board-end fixing seat cooperate with the conductive plug to be stable. The utility model provides a plug-in column in the board-end plug-in cavity, the board-end fixing seat is fixed in the board-end fixing cavity, and the board-end electrical terminal is fixed by an electrical fixing sleeve to fix the board-end electrical terminal, so as to fix the board-end electrical terminal in the electrical fixing groove, thereby ensuring the stability of the terminal inside the plug-in column. In addition, during the plug-in process of the connector, the board-end electrical terminal has good stability and will not shift. The problem that the existing board-end electrical terminal has poor stability during the plug-in process is solved.

[0033] The line end connector is provided with a locking cavity at the port of the line end housing. When the connectors are plugged in, the locking cavity is used to lock the connector of the counterpart, thereby locking and fixing the two plugged connectors. After fixing, the stability of the connection between the two connectors is ensured. This ensures that the two plugged connectors remain connected and the conductivity is stable. In addition, one end of the line end plug-in portion extends to the outside of the locking cavity, which can also maintain the stability of the contact during the plug-in process of the connectors, without affecting the plug-in situation. This further ensures the stability of the conductive contact. In actual use, the line end electrical terminal is fixed in the terminal fixing groove, thereby playing a role in plug-in conductive contact during the plug-in process, ensuring stability during the plug-in process, and at the same time, under the action of the terminal fixing member, the end of the line end electrical terminal is fixed, thereby ensuring that the terminal will not shift during the plug-in process, thereby increasing the structural stability and reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a three-dimensional schematic diagram of the locking connector assembly of the utility model;

[0035] Figure 2 for Figure 1 A three-dimensional schematic diagram of another state of the middle locking connector assembly;

[0036] Figure 3 for Figure 1 A three-dimensional schematic diagram of another state of the middle locking connector assembly;

[0037] Figure 4 for Figure 1 A three-dimensional schematic diagram of a board-end connector of a center-lock connector assembly;

[0038] Figure 5 for Figure 4A schematic diagram of the main view of the mid-board connector;

[0039] Figure 6 for Figure 5 Sectional view of AA in the middle;

[0040] Figure 7 for Figure 4 Exploded view of the mid-board connector;

[0041] Figure 8 for Figure 4 An exploded view of the mid-board connector from another angle;

[0042] Fig. 9 for Figure 1 A three-dimensional schematic diagram of the wire end connector of the center-lock connector assembly;

[0043] Fig.10 for Fig. 9 A top view of the midline connector;

[0044] Fig.11 for Fig.10 Sectional view of AA in the middle;

[0045] Fig.12 for Fig. 9 Exploded view of the midline connector;

[0046] Fig.13 for Fig. 9 An exploded view of the midline connector from another perspective;

[0047] Fig.14 The figure is a schematic diagram of the locking process of the locking connector assembly of the present invention.

[0048] Description of reference numerals: board-end connector 10, line-end connector 20;

[0049] Plug housing 1, fixed panel 11, installation sealing groove 111, first sealing ring 112, limiting spring piece 113, embedded part 1131, spring piece part 1132, plug connector 12, insertion port 121, board end plug cavity 122, plug guide strip 1221, plug positioning strip 1222, plug column 123, plug sealing groove 124, second sealing ring 125, stop plug step 126, board end fixed cavity 13, board end fixed card groove 131, end face groove 14, elastic groove 141, positioning column 142, lateral slide groove 15, sliding baffle 151, sliding limiting card groove 152, elastic element 16;

[0050] Locking element 2, locking beam 21, positioning sleeve 211, sliding pin 22, sliding step 221, sliding elastic buckle 222, elastic slot 223, locking block 23;

[0051] The board end fixing seat 3, the installation fixing part 31, the wiring groove 311, the plug fixing part 3232, the board end fixing buckle 321, the power connection fixing sleeve 33, the opening and closing clamping part 331, and the elastic clamping groove 332;

[0052] The board-terminated electrical terminal 4, the board-terminated wiring portion 41, the fixed mounting portion 42, the clamping groove 421, the plug-in portion 43, the plug-in hole 431, and the contact ring 432;

[0053] The wire end housing 5, the locking cavity 51, the stop step 511, the locking groove 512, the entry portion 5121, the locking portion 5122, the locking slot 513, the through hole 514, the wire end plug-in cavity 52, the wire end fixing cavity 53, the assembly slot 531, the wire end connecting cavity 54, the positioning ring 541, the wiring groove 55, and the reinforcing rib 551;

[0054] The wire end fixing seat 6, the wire end fixing part 61, the assembly buckle 611, the elastic groove 612, the through hole 613, the plug-in part 62, the plug-in guide groove 621, the plug-in hole 622, the assembly positioning groove 63, the terminal fixing groove 64, and the terminal fixing groove 641;

[0055] Wire terminal electrical terminal 7, pin 71, wire terminal connection portion 72, wire terminal connection slot 721, locking screw 722;

[0056] Terminal fixing piece 8, terminal fixing buckle 81;

[0057] The wiring sleeve 9, the locking sleeve 91, the positioning retaining ring 911, the tensioning sleeve 92, the wire end sealing ring 921, the shrinking sleeve 922, and the shrinking sheet 923. DETAILED DESCRIPTION

[0058] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0059] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0060] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0061] like Figure 1 to Figure 14As shown, in one embodiment of the utility model, a locking connector assembly is involved, including a board-end connector 10 and a line-end connector 20, wherein the board-end connector 10 and the line-end connector 20 can be plugged into each other; the board-end connector 10 includes a plug-in housing 1, a locking element 2, a board-end fixing seat 3 and a board-end electrical terminal 4, the plug-in housing 1 includes a fixing panel 11, a plug connector 12 and a board-end fixing cavity 13, the fixing panel 11 is used to separate the plug connector 12 and the fixing cavity, the plug connector 12 is provided with an insertion port 121 and a board-end plug-in cavity 122, one end of the insertion port 121 is connected to the board-end plug-in cavity 122, the board-end plug-in cavity 122 is provided with a plurality of plug-in posts 123, the plug-in posts 123 One end of the plug connector 12 is connected to the board end fixing cavity 13, the plug connector 12 is provided with an end face groove 14 and lateral slide grooves 15 on both sides of the end face groove 14 near the fixed panel 11, and the end face groove 14 is provided with an elastic element 16 near the lateral slide groove 15; the locking element 2 includes a locking beam 21 and sliding pins 22 arranged on both sides of the locking beam 21, and a locking block 23 is arranged on the outer side of the sliding pin 22, and the sliding pin 22 can be slidably arranged on the lateral slide groove 15, and one end of the elastic element 16 is pressed toward the locking beam 21; the board end fixing seat 3 includes an installation fixing portion 31 and a plug-in fixing portion 32, and the plug-in fixing portion 32 is provided with an electrical fixing sleeve 33, and the installation fixing portion 31 is arranged on the board end fixing In the fixed cavity 13, the power connection fixing sleeve 33 extends toward the plug-in column 123; the board-end power terminal 4 includes a board-end wiring portion 41, a fixed installation portion 42 and a board-end plug-in portion 43, the fixed installation portion 42 is installed in the power connection fixing sleeve 33, and one end of the board-end plug-in portion 43 extends to the inside of the plug-in column 123; the line-end connector 20 includes a line-end housing 5, a line-end fixing seat 6, a line-end power terminal 7 and a terminal fixing member 8, the line-end housing 5 is provided with a locking cavity 51, a line-end plug-in cavity 52, a line-end fixing cavity 53 and a line-end connecting cavity 54, the locking cavity 51 is connected with the line-end plug-in cavity 52, the line-end fixing cavity 53 and the line-end connecting cavity 54 in sequence, and a locking cavity 51 is provided between the locking cavity 51 and the line-end plug-in cavity 52 A locking step 511 is provided, and a locking groove 512 is provided on the side wall of the locking cavity 51, and the locking groove 512 is used to lock the connector when the connector is plugged in; the wire end fixing seat 6 includes a wire end fixing portion 61 and a wire end plug-in portion 62, the wire end fixing portion 61 is arranged in the wire end fixing cavity 53, and one end of the wire end plug-in portion 62 extends to the outside of the locking cavity 51, and the wire end fixing seat 6 is provided with a plurality of terminal fixing grooves 64, and one side of the wire end fixing portion 61 is provided with an assembly positioning groove 63, and one side of the assembly positioning groove 63 is connected to the terminal fixing groove 64; the wire terminal electrical terminal 7 is provided with a plurality of wire terminal electrical terminals, one end of which is inserted in the terminal fixing groove 64 and the other end extends toward the locking cavity 51;The terminal fixing part 8 is installed in the assembly positioning groove 63 and fixes the wire terminal electrical terminal 7 on the terminal fixing groove 64; one end of the plug connector 12 is inserted into the wire end plug cavity 52, so that the locking element 2 corresponds to the locking cavity 51, and is locked by the locking block 23 in conjunction with the locking groove 512. In this embodiment, the board-end connector 10 is installed on the board end of the device, and the wire-end connector 20 is connected with the connecting wire. When in use, the wire-end connector 20 is inserted into the board-end connector 10 to achieve electrical connection. A locking structure is set between the two connectors to solve the problem that the existing energy storage connector is prone to loosening and falling off after plugging. The connecting plug and the connecting socket are locked and fixed by the locking element 2 to achieve the locking of the connector after plugging, ensuring the stability of the connector connection and allowing the plugged connectors to maintain transmission. ;

[0062] In the above embodiment, the connector plug-in locking structure is provided with a locking element 2 and a locking groove 512, and uses a locking beam 21, a sliding pin 22, an elastic element 16, etc. to lock the connector after plugging, thereby ensuring the stability and reliability of the connector. It can effectively prevent the connector from falling off or loosening under the action of external forces such as vibration and impact, thereby improving the service life and stability of the connector. The locking can be achieved through the top pressure of the elastic element 16. The connector is smoother during the plug-in process, reducing the difficulty of operation and the possibility of misoperation, and improving the reliability of the connector.

[0063] See also Figures 4 to 8 As shown, in the above embodiment, the board-end connector 10 is provided with an end face groove 14 and a lateral sliding groove 15 on the plug connector 12 of the plug housing 1 to cooperate with the locking beam 21 and the sliding pin 22 of the locking element 2, and under the action of the elastic element 16, the sliding pin 22 of the locking element 2 slides on the lateral sliding groove 15, and is actively locked when plugged with the connector to ensure the stability of the connector after plugging. The problem that the existing connector is prone to loosening and falling off after plugging is solved. The locking element 2 is used to lock and fix the connector after plugging, and the board-end electrical terminal 4 and the board-end fixing seat 3 cooperate with the conductive plugging to be stable. The utility model is provided with a plug-in column 123 in the board-end plug-in cavity 122, the board-end fixing seat 3 is fixed in the board-end fixing cavity 13, and the board-end electrical terminal 4 is fixed through the electrical fixing sleeve 33 to fix the board-end electrical terminal 4, so as to fix the board-end electrical terminal 4 in the electrical fixing groove, thereby ensuring the stability of the terminal inside the plug-in column 123. Furthermore, during the plugging process of the connectors, the board-terminal electrical terminals 4 have good stability and will not shift, thus solving the problem of poor stability of the existing board-terminal electrical terminals 4 during the plugging process.

[0064] The fixed panel 11 is provided with an installation sealing groove 111 on the periphery of the fixed cavity, and a first sealing ring 112 is installed on the installation sealing groove 111. The first sealing ring 112 is used to seal the periphery of the fixed cavity when the fixed panel 11 is installed. Specifically, a plug-in sealing groove 124 is provided on the periphery of the plug connector 12, and a second sealing ring 125 is installed on the plug-in sealing groove 124. The second sealing ring 125 is used to seal the periphery of the plug connector 12 when the plug connector 12 is plugged in. In this embodiment, the first sealing ring 112 is used to seal the structure in the fixed cavity including the board end fixing seat 3, so as to ensure the sealing of the internal structure and the structural safety. The second sealing ring 125 is used to play a sealing connection role during the plug-in process of the plug connector 12, thereby ensuring that the connector maintains sealing after plugging.

[0065] The size of the insertion port 121 is larger than the size of the board end plug-in cavity 122, and a stop plug-in step 126 is provided between the board end plug-in cavity 122 and the insertion port 121. In this embodiment, a larger insertion port 121 is used to guide the connector when it is inserted, and a guide slope is provided on the stop plug-in step 126 for centering guidance during insertion to ensure plug-in accuracy.

[0066] The board end plug cavity 122 is provided with a plug guide bar 1221 and a plug positioning bar 1222, and both the plug guide bar 1221 and the plug positioning bar 1222 protrude toward the board end plug cavity 122. In this embodiment, when the connectors are plugged in, the plug guide bar 1221 and the plug positioning bar 1222 are used to position and match the connectors, thereby ensuring the plugging accuracy and preventing mistakes during the plugging process.

[0067] The fixed panel 11 is provided with a limit spring piece 113 above the locking beam 21. The limit spring piece 113 includes an embedded portion 1131 and a spring piece portion 1132. One end of the embedded portion 1131 is embedded in the fixed panel 11. The locking beam 21 is provided with a positioning groove toward the spring piece portion 1132. One end of the limit spring piece 113 is connected to the embedded portion 1131 and the other end faces the locking beam 21, so as to limit the locking beam 21 when the elastic element 16 presses. In this embodiment, the spring piece portion 1132 is provided to lock and fix the locking beam 21, so as to fix it after locking, and prevent the locking from being unstable.

[0068] Sliding baffles 151 are provided on both sides of the lateral slide groove 15, and sliding steps 221 are provided on both sides of the sliding pin 22. The sliding steps 221 are used to cooperate with the sliding baffles 151 so that the sliding pin 22 can keep sliding in the lateral slide groove 15. In this embodiment, the sliding baffles 151 are provided to cooperate with the sliding steps 221 to form a sliding structure of the slide rail, thereby ensuring structural stability during the sliding process and allowing the sliding pin 22 to keep sliding in the lateral slide groove 15.

[0069] A sliding limit slot 152 is provided in the lateral slide slot 15, and a sliding elastic buckle 222 is provided on the sliding pin 22. An elastic buckle 223 is provided on the periphery of the sliding elastic buckle 222. The sliding elastic buckle 222 can be slidably provided in the sliding limit slot 152. A limit platform is provided at one end of the sliding limit slot 152, and the limit platform is used to limit the sliding elastic buckle 222. In this embodiment, the sliding limit slot 152 and the sliding limit buckle are provided to limit the sliding position, and are kept in the sliding elastic buckle 222 during the pressing process of the elastic element 16.

[0070] One side of the locking beam 21 can be sunk into the end surface groove 14, and elastic grooves 141 are provided on both sides of the end surface groove 14, and positioning columns 142 are provided in the elastic grooves 141. The locking beam 21 is provided with a positioning sleeve 211 facing the positioning column 142, and the elastic element 16 is a spring and is provided between the positioning column 142 and the positioning sleeve 211. In this embodiment, the positioning column 142 and the positioning sleeve 211 are provided to position the elastic element 16, thereby ensuring the stability of the elastic element 16 inside.

[0071] The mounting and fixing portion 31 is provided with a board-end wiring groove 311, and the board-end wiring portion 41 is provided in the board-end wiring groove 311, and the board-end wiring groove 311 is used for wiring the board-end wiring portion 41. In this embodiment, the board-end wiring groove 311 is provided for wiring with the board-end wiring portion 41, so that the board-end electrical terminal 4 cooperates with the connecting wire for electrical conduction.

[0072] The electrical connection fixing sleeve 33 is provided with an opening and closing clamping portion 331, and the outer diameter of the opening and closing clamping portion 331 is evenly distributed with a plurality of elastic clamping grooves 332 in a circumferential direction, which are used to clamp and fix the fixed installation portion 42, and the fixed installation portion 42 is provided with a clamping groove 421, which is used to clamp and fix the opening and closing clamping portion 331. In this embodiment, the clamping groove 421 is clamped by the opening and closing clamping portion 331 to ensure the structural stability of the board-terminal electrical terminal 4, so that it remains in place during the plug-in process without displacement, and the structure is reliable.

[0073] The plug-in fixing portion 32 is provided with board end fixing buckles 321 on both sides, and the fixing cavity is provided with a board end fixing slot 131, and the board end fixing buckles 321 are used to cooperate with the board end fixing slot 131 to fix the plug-in fixing portion 32 in the fixing cavity. In this embodiment, the plug-in fixing portion 32 is fixed in the fixing cavity by the cooperation of the board end fixing slot 131 and the board end fixing buckles 321, so as to ensure the stability of the structure and facilitate assembly.

[0074] The board end plug-in portion 43 is provided with a plug-in hole 431, and the plug-in hole 431 is provided with a contact ring 432, and the contact ring 432 is a conductive contact ring 432, which is used to generate contact resistance when the connector is plugged in. In this embodiment, the conductive contact ring 432 is provided for contact and conduction when the connector is plugged in, ensuring the stability of contact and conduction, and providing slight resistance to generate damping effect, so that the plug-in conductive effect is better.

[0075] See also Figures 9 to 13 As shown, in the above embodiment, the wire end connector 20 is provided with a locking cavity 51 at the port of the wire end housing 5. When the connectors are plugged in, the locking cavity 51 is used to lock the connectors of the other party, so that the two plugged connectors are locked and fixed, and the stability of the connection between the two connectors is ensured after fixing. In addition, it is ensured that the two plugged connectors remain connected and the conductivity is stable. In addition, one end of the wire end plug-in portion 62 extends to the outside of the locking cavity 51, and the contact stability can be maintained during the plug-in process of the connectors, without affecting the plug-in situation. Further ensure the stability of the conductive contact. In actual use, the wire end electrical terminal 7 is fixed in the terminal fixing groove 64, so that it plays a role of plug-in conductive contact during the plug-in process, and the stability is ensured during the plug-in process. At the same time, under the action of the terminal fixing member 8, the end of the wire end electrical terminal 7 is fixed, so as to ensure that the terminal will not shift during the plug-in process, thereby increasing the structural stability and reliability.

[0076] The locking cavity 51 is provided with a locking slot 513 on one side of the locking step 511, one end of the locking slot 513 is connected to the outside of the wire end housing 5, and the locking cavity 51 is provided with a through hole 514 on one side of the locking slot 513. In this embodiment, the locking slot 513 is used for the buckle connection when the object connector is plugged in, thereby ensuring the connection stability of the connector. The through hole 514 can be used to unlock the object connector to cooperate with the object connector.

[0077] The locking groove 512 includes an entry portion 5121 and a locking portion 5122, and an L-shaped locking groove 512 is formed between the entry portion 5121 and the locking portion 5122; the locking block 23 enters from the entry portion 5121, and pushes the locking beam 21 upward under the action of the elastic element 16, so as to drive the locking block 23 to enter the locking portion 5122. In this embodiment, an L-shaped locking groove 512 formed by the entry portion 5121 and the locking portion 5122 is provided, and the locking block 23 slides and locks after entering, thereby realizing automatic locking, having a good locking effect, and having a reliable structure.

[0078] The entry portion 5121 and the locking portion 5122 are both provided with two groups; one side of the locking block 23 is provided with a guide slope, and two locking blocks 23 are provided. In this embodiment, two locking blocks 23 are used to cooperate with two locking grooves 512 for locking and fixing, and the structural locking is stable to ensure structural reliability.

[0079] The two sides of the wire end fixing cavity 53 are provided with assembly slots 531, and the two sides of the wire end fixing portion 61 are provided with assembly buckles 611. The two sides of the assembly buckle 611 are provided with elastic slots 612, so that the assembly buckle 611 has elastic tension during assembly. The assembly buckle 611 is used to cooperate with the assembly slot 531 to fix the wire end fixing portion 61 in the wire end fixing cavity 53. In this embodiment, during the assembly process, the wire end fixing portion 61 is assembled from the wire end plug-in cavity 52 to the wire end fixing cavity 53. During the assembly process, the assembly buckles 611 on both sides are contracted by elastic tension until they are assembled to the assembly slot 531 for fixing. The structure is easy to assemble and stable and reliable.

[0080] A wiring groove 55 is provided between the wire end fixing cavity 53 and the wire end connecting cavity 54, and the wiring groove 55 is provided with a plurality of reinforcing ribs 551, one end of which is used for positioning when assembling the wire end fixing seat 6. In this embodiment, the wiring groove 55 is used to lead the connecting wire from the wire end connecting cavity 54, and the reinforcing ribs 551 are used for positioning the wire end fixing seat 6, and the assembly positioning accuracy is high.

[0081] The outer portion of the wire end plug part 62 is provided with a plurality of plug guide grooves 621, which are used to guide the plugging of the wire end plug part 62. In this embodiment, the plug guide grooves 621 are used to guide and position the connectors during plugging, thereby ensuring the accuracy and stability of the plugging of the connectors.

[0082] The wire end plug-in portion 62 is provided with a plurality of plug-in holes 622, one end of which is connected to the terminal fixing groove 64, and one end of the wire end electrical terminal 7 is provided with a plug-in pin 71, one end of which extends into the plug-in hole 622. In this embodiment, the plug-in holes 622 are used for alignment and plugging to connect the connector of the object to the plug-in pin 71, thereby ensuring the plug-in and conductive stability of the connector.

[0083] A through hole 613 is provided on one side of the wire end fixing portion 61, one end of the through hole 613 is connected to the terminal fixing groove 64, the wire end electrical terminal 7 is provided with a wire end wiring portion 72, the wire end wiring portion 72 is provided with a wire end wiring groove 721 and a locking screw 722, the locking screw 722 is used to lock the connection wire in the wire end wiring groove 721, and one end of the locking screw 722 is inserted from the through hole 613 to the wire end wiring portion 72. In this embodiment, the locking screw 722 is passed through the through hole 613 to lock the connection wire, thereby ensuring the stability of the connection of the connection wire.

[0084] The terminal fixing member 8 is provided with a terminal fixing buckle 81 on the outside, and the terminal fixing slot 64 is provided with a terminal fixing slot 641. The terminal fixing buckle 81 is used to cooperate with the terminal fixing slot 641 to fix the terminal fixing member 8 in the terminal fixing slot 64; the terminal fixing member 8 is provided with a plurality of through slots for passing the connecting wire. In this embodiment, the through slot passes through the connecting wire so as to be connected with the wire terminal wiring slot 721. The terminal fixing buckle 81 and the terminal fixing slot 641 are assembled together, and the structure is easy to install.

[0085] It also includes a wiring sleeve 9, which includes a locking sleeve 91 and a tensioning sleeve 92. The locking sleeve 91 is located at one end of the tensioning sleeve 92 and is provided with a positioning ring 911. A positioning ring 541 is provided in the wire end connection cavity 54. A tensioning groove is formed between the positioning ring 911 and the positioning ring 541, and the tensioning sleeve 92 is arranged in the tensioning groove. In this embodiment, the connecting wire is fixed by the cooperation of the locking sleeve 91 and the tensioning sleeve 92, and the tensioning groove formed by the cooperation of the positioning ring 541 and the positioning ring 911 is used for the installation of the tensioning sleeve 92, and the structure is reliable.

[0086] The locking sleeve 91 is a threaded locking sleeve 91, and a threaded sleeve is arranged outside the wire end connection cavity 54, and the locking sleeve 91 is connected to the outside of the wire end connection cavity 54 by threads; the tensioning sleeve 92 includes a wire end sealing ring 921 and a shrink sleeve 922 arranged outside the wire end sealing ring 921, and a plurality of shrinking sheets 923 are arranged on the outer periphery of the shrink sleeve 922. When the locking sleeve 91 is locked, pressure is provided to the shrink sleeve 922 through the inner diameter, so as to tighten the wire end sealing ring 921 through the shrinking sheets 923 to seal and lock the connector. In this embodiment, the threaded connection structure is convenient for assembly, and the connecting wire is tightened and fixed during the locking process to ensure stability.

[0087] The above embodiments only express several implementation methods of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A locking connector assembly, characterized in that: It includes a board-end connector and a line-end connector, and the board-end connector and the line-end connector can be plugged into each other; The board-end connector includes a plug-in shell, a locking element, a board-end fixing seat and a board-end electrical terminal. The plug-in shell includes a fixing panel, a plug connector and a board-end fixing cavity. The fixing panel is used to separate the plug connector and the fixing cavity. The plug connector is provided with an insertion port and a board-end plug-in cavity. One end of the insertion port is connected to the board-end plug-in cavity. The board-end plug-in cavity is provided with a plurality of plug posts. One end of the plug posts is connected to the board-end fixing cavity. The plug connector is provided with an end face groove and lateral sliding grooves on both sides of the end face groove near the fixing panel. The end face groove is provided with an elastic element near the lateral sliding groove. The locking element includes a locking beam and sliding pins arranged on both sides of the locking beam. The sliding pins are provided on both sides of the locking beam. A locking block is arranged on the outside of the foot, the sliding pin can be slidably arranged on the lateral sliding groove, and one end of the elastic element is pressed toward the locking beam; the board end fixing seat includes a mounting fixing part and a plug-in fixing part, the plug-in fixing part is provided with an electrical connection fixing sleeve, the mounting fixing part is arranged in the board end fixing cavity, and the electrical connection fixing sleeve extends toward the plug-in column; the board end electrical terminal includes a board end wiring part, a fixed mounting part and a board end plug-in part, the fixed mounting part is installed in the electrical connection fixing sleeve, and one end of the board end plug-in part extends to the inside of the plug-in column; a plug-in guide strip and a plug-in positioning strip are arranged in the board end plug-in cavity, and both the plug-in guide strip and the plug-in positioning strip protrude toward the board end plug-in cavity; The wire end connector comprises a wire end housing, a wire end fixing seat, a wire end electrical terminal and a terminal fixing piece. The wire end housing is provided with a locking cavity, a wire end plug-in cavity, a wire end fixing cavity and a wire end connecting cavity. The locking cavity is sequentially connected with the wire end plug-in cavity, the wire end fixing cavity and the wire end connecting cavity. A locking step is provided between the locking cavity and the wire end plug-in cavity. A locking groove is provided on the side wall of the locking cavity. The locking groove is used to lock the connector when the connector is plugged in. The wire end fixing seat comprises a wire end fixing part and a wire end plug-in part. The wire end fixing part is arranged in the wire end fixing cavity, one end of the wire end plug-in part extends to the outside of the locking cavity, the wire end fixing seat is provided with a plurality of terminal fixing grooves, one side of the wire end fixing part is provided with an assembly positioning groove, one side of the assembly positioning groove is connected to the terminal fixing groove; a plurality of wire end connecting electrical terminals are arranged, one end of the wire end connecting electrical terminal is inserted in the terminal fixing groove, and the other end extends toward the locking cavity; the terminal fixing member is installed in the assembly positioning groove and fixes the wire end connecting electrical terminal on the terminal fixing groove; One end of the plug connector is inserted into the wire end plug-in cavity, so that the locking element corresponds to the locking cavity, and is locked by the locking block cooperating with the locking groove.

2. The locking connector assembly according to claim 1, characterized in that: The fixed panel is provided with an installation sealing groove on the periphery of the fixed cavity, and a first sealing ring is installed on the installation sealing groove, and the first sealing ring is used to seal the periphery of the fixed cavity when the fixed panel is installed; The outer periphery of the plug connector is provided with a plug-in sealing groove, and the plug-in sealing groove is installed with a second sealing ring, and the second sealing ring is used for sealing the outer periphery of the plug connector when the plug connector is plugged in.

3. The locking connector assembly according to claim 1, wherein: The size of the insertion port is larger than the size of the board end plug-in cavity, and a stop plug-in step is provided between the board end plug-in cavity and the insertion port.

4. The locking connector assembly according to claim 1, wherein: The fixed panel is provided with a limiting spring sheet above the locking beam, and the limiting spring sheet includes an embedded portion and a spring sheet portion. One end of the embedded portion is embedded in the fixed panel, and the locking beam is provided with a positioning groove toward the spring sheet portion. One end of the limiting spring sheet is connected to the embedded portion and the other end faces the locking beam, so as to limit the locking beam when the elastic element is pressed.

5. The locking connector assembly according to claim 1, wherein: Sliding baffles are provided on both sides of the lateral sliding groove, and sliding steps are provided on both sides of the sliding pin, and the sliding steps are used to cooperate with the sliding baffles so that the sliding pin can keep sliding in the lateral sliding groove; The lateral sliding groove is provided with a sliding limit card slot, the sliding pin is provided with a sliding elastic buckle, the outer periphery of the sliding elastic buckle is provided with an elastic card slot, the sliding elastic buckle can be slidably arranged in the sliding limit card slot, one end of the sliding limit card slot is provided with a limit platform, and the limit platform is used for limiting the sliding elastic buckle; One side of the locking beam can be sunk into the end face groove, elastic grooves are arranged on both sides of the end face groove, positioning columns are arranged in the elastic grooves, and a positioning sleeve is arranged on the locking beam facing the positioning column. The elastic element is a spring and is arranged between the positioning column and the positioning sleeve.

6. The locking connector assembly according to claim 1, wherein: The mounting and fixing part is provided with a board-end wiring groove, the board-end wiring part is arranged in the board-end wiring groove, and the board-end wiring groove is used for wiring the board-end wiring part; The power connection fixing sleeve is provided with an opening and closing clamping part, and the outer diameter of the opening and closing clamping part is evenly distributed with a plurality of elastic clamping grooves in an annular direction for clamping and fixing the fixed installation part, and the fixed installation part is provided with a clamping groove for clamping and fixing the opening and closing clamping part; The two sides of the plug-in fixing part are provided with board end fixing buckles, and the fixing cavity is provided with a board end fixing slot, and the board end fixing buckles are used to cooperate with the board end fixing slot to fix the plug-in fixing part in the fixing cavity; The plug-in portion is provided with a plug-in hole, and the plug-in hole is provided with a contact ring. The contact ring is a conductive contact ring used to generate contact resistance when the connectors are plugged in.

7. The locking connector assembly according to claim 1, wherein: The locking cavity is provided with a locking card slot on one side of the stop insertion step, one end of the locking card slot is connected to the outside of the wire end housing, and the locking cavity is provided with a through hole on one side of the locking card slot; The locking groove includes an entry portion and a locking portion, and an L-shaped locking groove is formed between the entry portion and the locking portion; the locking block enters from the entry portion, and under the action of the elastic element, pushes the locking beam upward to drive the locking block to enter the locking portion; The entry portion and the locking portion are each provided with two groups; one side of the locking block is provided with a guiding inclined surface, and the locking blocks are provided with two groups.

8. The locking connector assembly according to claim 1, wherein: The two sides of the wire end fixing cavity are provided with assembly slots, the two sides of the wire end fixing portion are provided with assembly buckles, and the two sides of the assembly buckles are provided with elastic slots so that the assembly buckles have elastic tension during assembly, and the assembly buckles are used to cooperate with the assembly slots to fix the wire end fixing portion in the wire end fixing cavity; A wiring groove is provided between the wire end fixing cavity and the wire end connecting cavity, and the wiring groove is provided with a plurality of reinforcing ribs, one end of the reinforcing ribs is used for positioning during assembly of the wire end fixing seat.

9. The locking connector assembly according to claim 1, wherein: A plurality of plug-in guide grooves are arranged outside the wire end plug-in part, and the plug-in guide grooves are used for guiding the plug-in when the wire end plug-in parts are plugged in; The wire end plug-in portion is provided with a plurality of plug-in holes, one end of the plug-in hole is connected to the terminal fixing groove, one end of the wire end electrical terminal is provided with a plug pin, one end of the plug pin extends into the plug-in hole; A through hole is provided on one side of the wire end fixing portion, one end of the through hole is connected to the terminal fixing slot, the wire end electrical terminal is provided with a wire end wiring portion, the wire end wiring portion is provided with a wire end wiring slot and a locking screw, the locking screw is used to lock the connection wire in the wire end wiring slot, one end of the locking screw is inserted from the through hole into the wire end wiring portion; A terminal fixing buckle is arranged on the outside of the terminal fixing piece, and a terminal fixing slot is arranged in the terminal fixing groove. The terminal fixing buckle is used to cooperate with the terminal fixing slot to fix the terminal fixing piece in the terminal fixing slot; the terminal fixing piece is provided with a plurality of through slots for passing the connecting wire.

10. The locking connector assembly according to claim 1, wherein: It also includes a wiring sleeve, the wiring sleeve includes a locking sleeve and a tensioning sleeve, the locking sleeve is located at one end of the tensioning sleeve and a positioning ring is provided, a positioning ring is provided in the wire end connection cavity, a tensioning groove is formed between the positioning ring and the positioning ring, and the tensioning sleeve is provided in the tensioning groove; The locking sleeve is a threaded locking sleeve, a threaded sleeve is arranged outside the wire end connection cavity, and the locking sleeve is connected to the outside of the wire end connection cavity by threads; the tensioning sleeve includes a wire end sealing ring and a shrink sleeve arranged outside the wire end sealing ring, and a plurality of shrink sheets are arranged on the outer periphery of the shrink sleeve. When the locking sleeve is locked, pressure is provided to the shrink sleeve through the inner diameter, so that the wire end sealing ring is tightened through the shrink sheet to seal and lock the connector.

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