Connector assembly

Abstract

The utility model relates to the technical field of electric connectors, in particular to a connector assembly, which comprises a board end connector and a wire end connector, the board end connector comprises a board end shell, a board end fixing seat and a board end electric connection terminal, the board end shell comprises a fixing panel and a connecting plug arranged on one side of the fixing panel, and the connecting plug is arranged on the other side of the fixing panel. A plate end fixing cavity is formed in the side, located on the fixing panel, of the plate end shell, the wire end connector comprises a wire end shell, a wire end fixing base, a wire end power connection terminal, a terminal fixing piece and a wiring sleeve, the wire end shell is provided with a wire end inserting cavity, a wire end fixing cavity and a wire end connecting cavity, and the wire end inserting cavity is sequentially connected with the wire end fixing cavity and the wire end connecting cavity; the wire end fixing seat comprises a wire end fixing part and a wire end plugging part. According to the utility model, the board end connector and the wire end connector are plugged in a matching manner, so that the plugging stability of the connectors is ensured, and the mutual terminal structures are stable and reliable in the plugging process of the connectors, and the contact breaking or displacement phenomenon is avoided.

Description

Technical Field

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

[0002] The energy storage connector is a connector specially used for connecting and transmitting electrical energy. The main function of the energy storage connector is to provide current transmission, voltage distribution and partial protection of the system battery pack. It needs to withstand high voltage and high current, and also have a sufficiently low contact resistance, so as to ensure stable current transmission and low energy consumption, and improve the efficiency of the entire energy storage system. In the prior art, the Chinese patent number is CN202211391931.X, which discloses a connector assembly that solves the problem of insufficient plug-in stability of existing connectors. It has a fixed seat to fix the power connection element and then make conductive contact. At the same time, a power connection seat is provided to cooperate with the power connection slot for plug-in and conduction, and the conductivity is stable.

[0003] In actual use, the existing connectors are prone to disconnection and unstable connection due to the displacement of the contact terminals when the connectors are plugged in and out of circulation, which results in unstable connection. Therefore, it is necessary to improve the existing connector structure. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a connector assembly which ensures the stability of connector insertion by cooperating with a board-end connector and a line-end connector, so that during the connector insertion process, the mutual terminal structures are stable and reliable, and there will be no disconnection or displacement.

[0005] The technical solution adopted by the utility model is: a connector assembly, including a board-end connector and a line-end connector, the board-end connector including a board-end shell, a board-end fixing seat and a board-end electrical terminal, the board-end shell including a fixing panel and a plug connector arranged on one side of the fixing panel, the board-end shell is located on one side of the fixing panel and is provided with a board-end fixing cavity, the plug connector is provided with a board-end plug-in cavity, the board-end plug-in cavity is provided with a plug-in column, one end of the plug-in column is connected to the board-end fixing cavity, and the plug-in column is provided with an electrical fixing groove; the board-end fixing seat includes a board-end fixing part and a plug-in fixing part, the plug-in fixing part is provided with an electrical fixing sleeve, the board-end fixing part is arranged in the board-end fixing cavity, and the electrical fixing sleeve extends toward the electrical fixing groove; the board-end electrical terminal is arranged in the electrical fixing sleeve and extends into the electrical fixing groove; the line-end connector includes a line-end shell, a line-end fixing seat, a line-end An electrical terminal, a terminal fixing member and a wiring sleeve, the wire end housing is provided with a wire end plug-in cavity, a wire end fixing cavity and a wire end connecting cavity, the wire end plug-in cavity is connected with the wire end fixing cavity and the wire end connecting cavity in sequence; the wire end fixing seat includes 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, the wire end plug-in part extends toward the wire end plug-in 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; the wire end electrical terminals are provided with a plurality of terminals, one end of the wire end electrical terminals is inserted in the terminal fixing groove; the terminal fixing member is installed in the assembly positioning groove and fixes the wire end electrical terminals in the terminal fixing groove; one end of the plug connector is inserted into the wire end plug-in cavity, so as to cooperate with the wire end plug-in part through the board end plug-in cavity, and the wire end electrical terminal is plugged and connected with the board end electrical terminal for electrical conduction.

[0006] A further improvement to the above scheme is that the fixed panel is provided with an installation sealing groove on the periphery of the fixed cavity at the plate end, 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 at the plate end when the fixed panel is installed.

[0007] A further improvement to the above solution is that mounting holes are provided on the periphery of the fixed panel, and the mounting holes are used for mounting the fixed panel.

[0008] A further improvement to the above scheme 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. The second sealing ring is used to seal the outer periphery of the plug connector and the inner wall of the wire end plug-in cavity when the plug connector is plugged in.

[0009] A further improvement to the above scheme is that a fastening platform is provided on the side of the plug connector close to the fixed panel, the outer diameter of the fastening platform is larger than the outer diameter of the plug connector, and a plug-in buckle is provided on the side of the fixed panel located on the fastening platform, and the plug-in buckle is used to clamp the connectors after insertion.

[0010] A further improvement to the above scheme is that a wire end plug-in positioning groove is provided at the socket of the wire end plug-in cavity, and the wire end plug-in positioning groove is provided with a wire end plug-in card groove, and one end of the wire end plug-in card groove is connected to the wire end plug-in positioning groove.

[0011] A further improvement to the above scheme is that a plug-in guide strip and a plug-in positioning strip are provided 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; a plurality of plug-in guide grooves are provided on the outside of the wire-end plug-in part, and the plug-in guide grooves are used to cooperate with the plug-in guide strips to guide the plug-in during plug-in.

[0012] A further improvement to the above scheme is that the board-end electrical terminal includes a board-end wiring portion, a terminal mounting portion and a board-end plug-in portion, the terminal mounting portion is installed in the electrical connection fixing sleeve, and one end of the board-end plug-in portion extends into the electrical connection fixing groove.

[0013] A further improvement to the above scheme is that the board end 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.

[0014] 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 terminal mounting portion, and the terminal mounting portion is provided with a clamping groove for clamping and fixing the opening and closing clamping portion.

[0015] A further improvement to the above scheme is that the board end plug-in portion is provided with a plug-in hole, and the plug-in hole is provided with a contact ring, which is a conductive contact ring for generating contact resistance when the wire end electrical terminals are plugged in.

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

[0017] A further improvement to the above scheme is that a wire end positioning ring is arranged in the wire end connecting cavity, 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 retaining ring is arranged, a tensioning groove is formed between the positioning retaining ring and the wire end positioning ring, and the tensioning sleeve is arranged in the tensioning groove.

[0018] A further improvement to the above solution is that the locking sleeve is a threaded locking sleeve, a threaded sleeve is provided outside the wire end connection cavity, and the locking sleeve is connected to the outside of the wire end connection cavity through threads.

[0019] A further improvement to the above scheme is that the tensioning sleeve includes a sealing ring and a shrinking sleeve arranged outside the 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 to tighten the sealing ring through the shrinking sheets to seal and lock the connector.

[0020] A further improvement to the above scheme is that assembly slots are provided on both sides of the wire end fixing cavity, wire end assembly buckles are provided on both sides of the wire end fixing portion, and elastic slots are provided on both sides of the wire end assembly buckle so that the wire end assembly buckle has elastic tension during assembly, and the wire end assembly buckle is used to cooperate with the assembly slot to fix the wire end fixing portion in the wire end fixing cavity.

[0021] A further improvement to the above scheme is that a wire end wiring groove is provided between the wire end fixing cavity and the wire end connecting cavity, and the wire end 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.

[0022] 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.

[0023] 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.

[0024] A further improvement to the above scheme is that a wire end fixing buckle is provided on the outer side of the terminal fixing piece, and a fixing slot is provided in the terminal fixing groove, and the wire end fixing buckle is used to cooperate with the fixing slot to fix the terminal fixing piece in the terminal fixing groove; the terminal fixing piece is provided with a plurality of through slots for passing the connecting wire.

[0025] The beneficial effects of the utility model are:

[0026] Compared with the existing connectors, the utility model ensures the stability of the connector plugging by matching the board-end connector and the line-end connector. In the process of connector plugging, the mutual terminal structures are stable and reliable, and there will be no disconnection or displacement, so as to maintain the plugging stability and accuracy. The conductivity of the connector is ensured, and the problems of unstable plugging and conductivity and displacement of the existing connectors are solved.

[0027] The board-end plug-in cavity of the board-end connector is provided with a plug-in column, the board-end fixing seat is fixed in the board-end fixing cavity, and the board-end electrical terminal is fixed through the electrical fixing sleeve 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 connector plug-in process, the board-end electrical terminal has good stability and will not shift. This solves the problem of poor stability of the existing board-end electrical terminal during the plug-in process.

[0028] The wire-end connector is an energy storage connector for wire-end plug-in. In actual use, the wire-end plug-in portion extends to the wire-end plug-in cavity, and the wire-end electrical terminal is fixed in the terminal fixing groove, thereby playing a role of 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 piece, the end of the wire-end electrical terminal is fixed, thereby ensuring that the terminal will not shift during the plug-in process, thereby increasing structural stability and reliability. Furthermore, the locking sleeve forms a tensioning sleeve to fix the structure through the action of the positioning retaining ring and the wire-end positioning ring, thereby greatly increasing the structural stability and reliability, and stabilizing the wiring. The problem of insufficient stability of the wire-end electrical terminal during the plug-in process of the existing wire-end connector and the problem of unstable wiring are solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a three-dimensional schematic diagram of the connector assembly of the utility model;

[0030] Figure 2 for Figure 1 An exploded view of the connector assembly;

[0031] Figure 3 for Figure 1 An exploded view of the connector assembly from another perspective;

[0032] Figure 4 It is an exploded schematic diagram of the board-end connector of the present invention;

[0033] Figure 5 for Figure 4 An exploded view of the mid-board connector from another angle;

[0034] Figure 6 for Figure 4 Front view of the mid-board connector;

[0035] Figure 7 for Figure 6 Sectional view of AA in the middle;

[0036] Figure 8 It is an exploded schematic diagram of the line end connector of the present invention;

[0037] Fig. 9 for Figure 8 An exploded view of the midline connector from another perspective;

[0038] Fig.10 for Figure 8 Front view of the midline connector;

[0039] Fig.11 for Fig.10 Sectional view of AA.

[0040] Description of reference numerals: board-end connector 10, line-end connector 20;

[0041] Board end housing 1, fixed panel 11, installation sealing groove 111, first sealing ring 112, installation hole 113, plug connector 12, plug sealing groove 121, second sealing ring 122, fastening platform 123, plug buckle 124, plug guide strip 125, plug positioning strip 126, board end fixing cavity 13, board end fixing buckle 131, board end plug cavity 14, plug column 15, power connection fixing groove 16;

[0042] The board end fixing seat 2, the board end fixing part 21, the board end wiring slot 211, the plug fixing part 22, the board end fixing slot 221, the power connection fixing sleeve 23, the opening and closing clamping part 231, and the elastic clamping slot 232;

[0043] The board-terminated electrical terminal 3, the board-terminal wiring portion 31, the terminal mounting portion 32, the clamping groove 321, the board-terminal plug-in portion 33, the plug-in hole 331, and the contact ring 332;

[0044] The wire end housing 4, the wire end plug-in cavity 41, the wire end plug-in positioning groove 411, the wire end plug-in card groove 412, the wire end fixing cavity 42, the assembly card groove 421, the wire end connecting cavity 43, the wire end positioning ring 44, the wire end wiring groove 45, and the reinforcing rib 451;

[0045] The wire end fixing seat 5, the wire end fixing part 51, the wire end assembly buckle 511, the elastic groove 512, the through hole 513, the wire end plug-in part 52, the plug-in guide groove 521, the plug-in hole 522, the terminal fixing groove 53, and the assembly positioning groove 54;

[0046] The wire terminal electrical terminal 6, the pin 61, the wire terminal wiring part 62, the wire terminal wiring slot 621, and the locking screw 622;

[0047] Terminal fixing piece 7, wire end fixing buckle 71, wiring sleeve 8;

[0048] Locking sleeve 81 , tensioning sleeve 82 , sealing ring 821 , shrinking sleeve 822 , shrinking sheet 823 , positioning retaining ring 83 , tensioning groove 84 . DETAILED DESCRIPTION

[0049] 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.

[0050] 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.

[0051] 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.

[0052] like Figures 1 to 11As shown, in one embodiment of the utility model, a connector assembly is involved, including a board-end connector 10 and a line-end connector 20, wherein the board-end connector 10 includes a board-end housing 1, a board-end fixing seat 2 and a board-end electrical terminal 3, wherein the board-end housing 1 includes a fixing panel 11 and a plug connector 12 arranged on one side of the fixing panel 11, wherein the board-end housing 1 is provided with a board-end fixing cavity 13 on one side of the fixing panel 11, wherein the plug connector 12 is provided with a board-end plug-in cavity 14, wherein the board-end plug-in cavity 14 is provided with a plug-in column 15, wherein the plug connector One end of the column 15 is connected to the board end fixing cavity 13, and the plug-in column 15 is provided with an electrical connection fixing groove 151; the board end fixing seat 2 includes a board end fixing portion 21 and a plug-in fixing portion 22, and the plug-in fixing portion 22 is provided with an electrical connection fixing sleeve 23, and the board end fixing portion 21 is arranged in the board end fixing cavity 13, and the electrical connection fixing sleeve 23 extends toward the electrical connection fixing groove 151; the board end electrical terminal 3 is arranged in the electrical connection fixing sleeve 23 and extends into the electrical connection fixing groove 151; the line end connector 20 includes a line end housing 4, and the line end fixing The wire end housing 4 is provided with a wire end plug-in cavity 41, a wire end fixing cavity 42 and a wire end connecting cavity 43, and the wire end plug-in cavity 41 is connected with the wire end fixing cavity 42 and the wire end connecting cavity 43 in sequence; the wire end fixing seat 5 includes a wire end fixing portion 51 and a wire end plug-in portion 52, the wire end fixing portion 51 is arranged in the wire end fixing cavity 42, the wire end plug-in portion 52 extends toward the wire end plug-in cavity 41, the wire end fixing seat 5 is provided with a plurality of terminal fixing grooves 53, the wire end fixing One side of the fixed part 51 is provided with an assembly positioning groove 54, and one side of the assembly positioning groove 54 is connected to the terminal fixing groove 53; the line terminal electrical terminal 6 is provided with a plurality of them, and one end of the line terminal electrical terminal 6 is inserted into the terminal fixing groove 53; the terminal fixing part 7 is installed in the assembly positioning groove 54 and fixes the line terminal electrical terminal 6 in the terminal fixing groove 53; one end of the plug connector 12 is inserted into the line end plug-in cavity 41, so as to cooperate with the line end plug-in part 52 through the board end plug-in cavity 14, and connect the line terminal electrical terminal 6 and the board end electrical terminal 3 for electrical connection. In this embodiment, the board end connector 10 and the line end connector 20 are plugged in and out to ensure the stability of the connector plug-in, and then in the process of connector plug-in, the mutual terminal structures are stable and reliable, and there will be no disconnection or displacement phenomenon, so as to maintain the plug-in stability and accuracy. Ensure the conductivity of the connector. Solve the problems of unstable plug-in conductivity and displacement of the existing connector.

[0053] See also Figure 4 to Figure 7As shown, in the above embodiment, a plug-in column 15 is provided in the board-end plug-in cavity 14 of the board-end connector 10, the board-end fixing seat 2 is fixed in the board-end fixing cavity 13, and the board-end electrical terminal 3 is fixed through the electrical connection fixing sleeve 23, so as to fix the board-end electrical terminal 3 in the electrical connection fixing groove 151, thereby ensuring the stability of the terminal inside the plug-in column 15. In addition, during the connector plug-in process, the board-end electrical terminal 3 has good stability and will not shift. The problem of poor stability of the existing board-end electrical terminal 3 during the plug-in process is solved.

[0054] In the above embodiment, the board-end connector is composed of three parts: a board-end housing 1, a board-end fixing seat 2, and a board-end electrical terminal 3. The board-end plug-in cavity 14 of the board-end housing 1 is provided with a plug-in column 15, and one end of the plug-in column 15 is connected to the board-end fixing cavity 13, so that the transmission of power or signals is smoother, reducing energy loss and improving energy storage efficiency. At the same time, the plug-in column 15 is provided with a power connection fixing groove 16, which facilitates the fixation and protection of power or signals and further enhances the energy storage transmission effect. The board-end fixing portion 21 and the plug-in fixing portion 22 in the board-end fixing seat 2 ensure the stability and accuracy of the installation. The terminal mounting portion 32 of the board-end electrical terminal 3 is installed in the power connection fixing sleeve 23, and one end of the board-end plug-in portion 33 extends into the power connection fixing groove 16, which not only enhances the stability of the connector, but also reduces the failure rate caused by external force impact, and improves the safety performance of the connector.

[0055] The fixed panel 11 is provided with an installation sealing groove 111 on the periphery of the board end fixing cavity 13, 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 board end fixing cavity 13 when the fixed panel 11 is installed. In this embodiment, the first sealing ring 112 is used to seal the structure in the board end fixing cavity 13 including the board end fixing seat 2, so as to ensure the sealing of the internal structure and ensure the structural safety.

[0056] The outer periphery of the fixed panel 11 is provided with mounting holes 113, and the mounting holes 113 are used for mounting the fixed panel 11. In this embodiment, the mounting holes 113 are used for mounting the fixed panel 11, specifically, mounting it on the equipment, and the structure is easy to install, stable and reliable.

[0057] The outer periphery of the plug connector 12 is provided with a plug sealing groove 121, and the plug sealing groove 121 is installed with a second sealing ring 122, and the second sealing ring 122 is used to seal the outer periphery of the plug connector 12 when the plug connector 12 is plugged in. In this embodiment, the second sealing ring 122 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.

[0058] A fastening platform 123 is provided on one side of the plug connector 12 close to the fixed panel 11. The outer diameter of the fastening platform 123 is larger than the outer diameter of the plug connector 12. A plug buckle 124 is provided on one side of the fixed panel 11 located at the fastening platform 123. The plug buckle 124 is used to clamp the connectors after they are plugged in. In this embodiment, the fastening platform 123 is provided to clamp the connectors when they are plugged in. The plug buckle 124 is used to clamp the connectors with the slot of the counterpart connector to maintain the plugged state.

[0059] A plug-in guide strip 125 and a plug-in positioning strip 126 are provided in the board-end plug-in cavity 14, and the plug-in guide strip 125 and the plug-in positioning strip 126 both protrude toward the board-end plug-in cavity 14; in this embodiment, when the connectors are plugged in, the connectors are positioned and matched by the plug-in guide strip 125 and the plug-in positioning strip 126 to ensure the plug-in accuracy and also play an anti-mistake effect during the plug-in process.

[0060] The board-end fixing portion 21 is provided with a board-end wiring groove 211, and the board-end wiring portion 31 is arranged in the board-end wiring groove 211. The board-end wiring groove 211 is used for wiring the board-end wiring portion 31. In this embodiment, the board-end wiring groove 211 is provided to cooperate with the board-end wiring portion 31 for wiring, so that the board-end electrical terminal 3 cooperates with the connecting wire for conduction.

[0061] The electrical connection fixing sleeve 23 is provided with an opening and closing clamping portion 231, and the outer diameter of the opening and closing clamping portion 231 is evenly distributed with a plurality of elastic clamping grooves 232 in a circumferential direction, which are used to clamp and fix the terminal mounting portion 32, and the terminal mounting portion 32 is provided with a clamping groove 321, which is used to clamp and fix the opening and closing clamping portion 231. In this embodiment, the clamping groove 321 is clamped by the opening and closing clamping portion 231 to ensure the structural stability of the board-terminal electrical terminal 3, and the board-terminal electrical terminal 3 remains in place during the plug-in process without displacement, and the structure is reliable.

[0062] Board end fixing slots 221 are provided on both sides of the plug-in fixing portion 22, and a board end fixing buckle 131 is provided in the board end fixing cavity 13, and the board end fixing buckle 131 is used to cooperate with the board end fixing slot 221 to fix the plug-in fixing portion 22 in the board end fixing cavity 13. In this embodiment, the plug-in fixing portion 22 is fixed in the board end fixing cavity 13 by the cooperation of the board end fixing buckle 131 and the board end fixing slot 221, so as to ensure the stability of the structure and facilitate assembly.

[0063] The plug-in fixing portion 22 is provided with a plug-in hole 331, and the plug-in hole 331 is provided with a contact ring 332, and the contact ring 332 is a conductive contact ring 332, which is used to generate contact resistance when the connector is plugged in. In this embodiment, the conductive contact ring 332 is provided for contact and conduction when the connector is plugged in, ensuring the stability of contact conduction, and providing slight resistance to generate damping effect, so that the plug-in conduction effect is better.

[0064] See also Figure 8 to Figure 11 As shown, in the above embodiment, the wire end connector 20 is used as a wire end plug-in energy storage connector. In actual use, the wire end plug-in portion 52 extends to the wire end plug-in cavity 41, and the wire end electrical terminal 6 is fixed in the terminal fixing groove 53, so as to play a plug-in conductive contact role during the plug-in process, ensuring stability during the plug-in process. At the same time, under the action of the terminal fixing member 7, the end of the wire end electrical terminal 6 is fixed, thereby ensuring that the terminal will not shift during the plug-in process, thereby increasing the structural stability and reliability. Furthermore, the locking sleeve forms a tensioning sleeve to fix the structure through the action of the positioning retaining ring and the wire end positioning ring, thereby greatly increasing the structural stability and reliability, and the wiring is stable. The problem of insufficient stability of the wire end electrical terminal 6 during the plug-in process of the existing wire end connector 20 and the problem of unstable wiring are solved.

[0065] The plug-in port of the wire end plug-in cavity 41 is provided with a wire end plug-in positioning groove 411, and the wire end plug-in positioning groove 411 is provided with a wire end plug-in card groove 412, and one end of the wire end plug-in card groove 412 is connected to the wire end plug-in positioning groove 411. In this embodiment, the wire end plug-in positioning groove 411 and the wire end plug-in card groove 412 play a positioning, guiding and clamping role in the process of connector insertion. Then, the object connector is provided with a plug-in buckle to cooperate with the wire end plug-in card groove 412 for clamping and fixing, so that the two connectors remain plugged in and will not fall off.

[0066] The two sides of the wire end fixing cavity 42 are provided with assembly slots 421, the two sides of the wire end fixing portion 51 are provided with wire end assembly buckles 511, and the two sides of the wire end assembly buckles 511 are provided with elastic slots 512, so that the wire end assembly buckles 511 have elastic tension during assembly, and the wire end assembly buckles 511 are used to cooperate with the assembly slots 421 to fix the wire end fixing portion 51 in the wire end fixing cavity 42. In this embodiment, during the assembly process, the wire end fixing portion 51 is assembled from the wire end plug-in cavity 41 toward the wire end fixing cavity 42, and during the assembly process, the wire end assembly buckles 511 on both sides are contracted by elastic tension until they are assembled to the assembly slots 421 to achieve fixation. The structure is easy to assemble and stable and reliable.

[0067] A wire end wiring groove 45 is provided between the wire end fixing cavity 42 and the wire end connecting cavity 43, and the wire end wiring groove 45 is provided with a plurality of reinforcing ribs 451, one end of which is used for positioning when assembling the wire end fixing seat 5. In this embodiment, the wire end wiring groove 45 is used to lead the connecting wire from the wire end connecting cavity 43, and the reinforcing ribs 451 are used for positioning the wire end fixing seat 5, and the assembly positioning accuracy is high.

[0068] The outer portion of the wire end plug part 52 is provided with a plurality of plug guide grooves 521, which are used to guide the plugging of the wire end plug part 52. In this embodiment, the plug guide grooves 521 are used to guide and position the connectors during plugging, thereby ensuring the plugging accuracy and stability of the connectors.

[0069] The wire end plug-in portion 52 is provided with a plurality of plug-in holes 522, one end of which is connected to the terminal fixing groove 53, and one end of the wire end electrical terminal 6 is provided with a plug-in pin 61, one end of which extends into the plug-in hole 522. In this embodiment, the plug-in holes 522 are used for alignment and plugging to connect the connector of the object to the plug-in pin 61, thereby ensuring the plug-in and conductive stability of the connector.

[0070] A through hole 513 is provided on one side of the wire end fixing portion 51, one end of the through hole 513 is connected to the terminal fixing groove 53, the wire end electrical terminal 6 is provided with a wire end wiring portion 62, the wire end wiring portion 62 is provided with a wire end wiring groove 621 and a locking screw 622, the locking screw 622 is used to lock the connection wire in the wire end wiring groove 621, and one end of the locking screw 622 is inserted from the through hole 513 to the wire end wiring portion 62. In this embodiment, the locking screw 622 is passed through the through hole 513 to lock the connection wire, thereby ensuring the stability of the connection of the connection wire.

[0071] The terminal fixing member 7 is provided with a wire end fixing buckle 71 on the outside, and the terminal fixing groove 53 is provided with a fixing groove. The wire end fixing buckle 71 is used to cooperate with the fixing groove to fix the terminal fixing member 7 in the terminal fixing groove 53; the terminal fixing member 7 is provided with a plurality of through grooves for passing the connecting wire; in this embodiment, the through groove passes the connecting wire so as to be connected with the wire end wiring groove 621. The matching assembly of the wire end fixing buckle 71 and the fixing groove makes the structure easy to install.

[0072] The locking sleeve 81 is a threaded locking sleeve 81. A threaded sleeve is disposed outside the wire end connection cavity 43. The locking sleeve 81 is connected to the outside of the wire end connection cavity 43 through threads. Specifically, the tensioning sleeve 82 includes a sealing ring 821 and a shrinking sleeve 822 disposed outside the sealing ring 821. A plurality of shrinking sheets 823 are disposed on the outer periphery of the shrinking sleeve 822. When the locking sleeve 81 is locked, pressure is provided to the shrinking sleeve 822 through the inner diameter, so that the sealing ring 821 is tightened through the shrinking sheets 823 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.

[0073] 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 connector assembly, Features: include A board-end connector, the board-end connector comprises a board-end housing, a board-end fixing seat and a board-end electrical terminal, the board-end housing comprises a fixing panel and a plug connector arranged on one side of the fixing panel, the board-end housing is provided with a board-end fixing cavity on one side of the fixing panel, the plug connector is provided with a board-end plug-in cavity, the board-end plug-in cavity is provided with a plug-in column, one end of the plug-in column is connected to the board-end fixing cavity, and the plug-in column is provided with an electrical fixing groove; the board-end fixing seat comprises a board-end fixing portion and a plug-in fixing portion, the plug-in fixing portion is provided with an electrical fixing sleeve, the board-end fixing portion is arranged in the board-end fixing cavity, and the electrical fixing sleeve extends toward the electrical fixing groove; the board-end electrical terminal is arranged in the electrical fixing sleeve and extends into the electrical fixing groove; A wire end connector, the wire end connector comprises a wire end housing, a wire end fixing seat, a wire end electrical terminal, a terminal fixing piece and a wiring sleeve, the wire end housing is provided with a wire end plug-in cavity, a wire end fixing cavity and a wire end connecting cavity, the wire end plug-in cavity is connected with the wire end fixing cavity and the wire end connecting cavity in sequence; 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, the wire end plug-in part extends toward the wire end plug-in 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 provided, one end of the wire end electrical terminal is inserted in the terminal fixing groove; the terminal fixing piece is installed in the assembly positioning groove and fixes the wire end electrical terminal in the terminal fixing groove; One end of the plug connector is inserted into the wire end plug-in cavity to cooperate with the wire end plug-in portion through the board end plug-in cavity to plug and connect the wire end electrical terminal with the board end electrical terminal for electrical conduction.

2. The connector assembly according to claim 1, Features: The fixed panel is provided with an installation sealing groove at the periphery of the plate end fixing 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 plate end fixing cavity when the fixed panel is installed; The outer periphery of the fixed panel is provided with mounting holes, and the mounting holes are used for mounting the fixed panel; 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 to seal the outer periphery of the plug connector and the inner wall of the wire end plug-in cavity when the plug connector is plugged in.

3. The connector assembly according to claim 1, Features: A fastening platform is provided on one side of the plug connector close to the fixed panel, the outer diameter of the fastening platform is larger than the outer diameter of the plug connector, and a plug buckle is provided on one side of the fixed panel located on the fastening platform, and the plug buckle is used to clamp the connector after insertion; A wire end plug-in positioning groove is arranged at the insertion port of the wire end plug-in cavity, and a wire end plug-in card groove is arranged in the wire end plug-in positioning groove, and one end of the wire end plug-in card groove is connected to the wire end plug-in positioning groove.

4. The connector assembly according to claim 1, Features: The board end plug-in cavity is provided with a plug-in guide bar and a plug-in positioning bar, and both the plug-in guide bar and the plug-in positioning bar protrude toward the board end plug-in cavity; the outside of the wire end plug-in portion is provided with a plurality of plug-in guide grooves, and the plug-in guide grooves are used to cooperate with the plug-in guide bar to guide the plug-in during the plug-in; The board-end electrical terminal comprises a board-end wiring portion, a terminal mounting portion and a board-end plug-in portion, wherein the terminal mounting portion is mounted in the electrical connection fixing sleeve, and one end of the board-end plug-in portion extends into the electrical connection fixing groove; The board end 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; 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 multiple elastic clamping grooves in an annular direction for clamping and fixing the terminal mounting part, and the terminal mounting part is provided with a clamping groove for clamping and fixing the opening and closing clamping part.

5. The connector assembly according to claim 4, Features: The board end 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 wire terminal electrical terminal is plugged in.

6. The connector assembly according to claim 1, Features: Board end fixing slots are arranged on both sides of the plug-in fixing part, and a board end fixing buckle is arranged in the board end fixing cavity. The board end fixing buckle is used to cooperate with the board end fixing slots to fix the plug-in fixing part in the board end fixing cavity.

7. The connector assembly according to claim 1, Features: A wire end positioning ring is arranged in the wire end connection cavity, the wiring sleeve comprises a locking sleeve and a tensioning sleeve, the locking sleeve is arranged at one end of the tensioning sleeve and a positioning retaining ring is arranged, a tensioning groove is formed between the positioning retaining ring and the wire end positioning ring, and the tensioning sleeve is arranged 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 through threads.

8. The connector assembly according to claim 7, Features: The tensioning sleeve includes a sealing ring and a shrink sleeve arranged outside the sealing ring. A plurality of shrink sheets are arranged on the outer circumference of the shrink sleeve. When the locking sleeve is locked, pressure is provided to the shrink sleeve through the inner diameter to tighten the sealing ring through the shrink sheets to seal and lock the connector.

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

10. The connector assembly according to claim 1, Features: 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 wire end fixing buckle is arranged on the outer side of the terminal fixing piece, and a fixing slot is arranged in the terminal fixing groove. The wire end fixing buckle is used to cooperate with the fixing slot to fix the terminal fixing piece in the terminal fixing groove; the terminal fixing piece is provided with a plurality of through slots for passing the connecting wire.

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