Plug connector

Abstract

The invention relates to a plug connector, which comprises a first connecting terminal and a second connecting terminal, and is characterized in that the first connecting terminal comprises a first connecting terminal shell and a plug-in gland, and the plug-in gland is provided with a plug-in connecting part extending along a first wire inlet direction; the second connecting terminal comprises a second connecting terminal shell and a connecting piece gland, one end of the first connecting terminal shell and one end of the second connecting terminal shell are provided with a first wire inlet hole and a second wire inlet hole respectively, and the connecting piece gland is provided with a connecting piece connecting part connected with the plug-in connecting part in an inserted mode. The first connecting terminal and the second connecting terminal are provided with wire-off devices which are used for opening or closing the plug-in clamping device in the first connecting terminal and / or the connecting piece clamping device in the second connecting terminal; and after the plug-in connecting part and the connector connecting part are plugged, the first contact of the plug-in clamping device is electrically connected with the second contact of the connector clamping device. Through the arrangement of the plug-in gland and the connector gland which can be used in cooperation, at least two connecting terminals can be connected at the same time, the structure is simple, and assembling is convenient.

Description

Technical Field

[0001] The present invention relates to the technical field of connectors, and in particular to a plug connector. Background Art

[0002] With the development of science and technology, the connection terminal generally plays the role of wiring and power supply, and realizes the good connection function of wiring and power supply. It is an important connection component for electrical connection and connection between connection terminals. The connection terminal can generally only be used with a single connection terminal, and auxiliary tools are needed between multiple connection terminals to complete the installation of wires and wires, and the assembly is inconvenient. Therefore, the structure of the existing connection terminal needs to be improved. Summary of the invention

[0003] Based on this, in order to overcome at least one of the defects of the prior art described above, the present invention provides a plug-in connector which has a simple structure, can be plugged in, and is easy to assemble.

[0004] A plug connector comprises a first connecting terminal and a second connecting terminal.

[0005] The first connection terminal comprises a first connection terminal housing and a plug-in pressure cover, one end of the first connection terminal housing is provided with a first wire entry hole, the plug-in pressure cover is provided with a plug-in connection portion extending along the first wire entry direction, and a plug-in clamping device is provided in the first connection terminal, the plug-in clamping device comprises a plug-in clamping spring and a first contact connected to the plug-in clamping spring;

[0006] The second connection terminal comprises a second connection terminal housing and a connector cover, one end of the second connection terminal housing is provided with a second wire entry hole, the connector cover is provided with a connector connection portion that can be plugged into the plug-in connection portion, and a connector clamping device is provided in the second connection terminal, the connector clamping device comprises a connector clamping spring and a second contact connected to the connector clamping spring;

[0007] The first connecting terminal and / or the second connecting terminal is provided with a disconnecting device, and the disconnecting device is used to open or close the plug-in clamping device and / or the connector clamping device;

[0008] The plug-in connection portion and the connector connection portion can be plug-connected. When the plug-in connection portion and the connector connection portion are plug-connected, the first contact is electrically connected to the second contact.

[0009] In one embodiment, the plug-in gland includes a plug-in socket and the plug-in connection portion, the plug-in socket includes a top surface and a first connection surface connected to the front end of the top surface, and the plug-in connection portion is formed on the first connection surface;

[0010] The connector pressing cover comprises a connector socket and the connector connecting portion, the connector socket comprises a top surface and a second connecting surface connected to the front end of the top surface, and the connector connecting portion is formed on the second connecting surface.

[0011] In one embodiment, the plug-in connector and the plug-in socket form a convex shape, and / or

[0012] The connector connecting portion and the connector socket form a convex shape.

[0013] In one of the embodiments, a locking mechanism is provided on the plug-in cover and / or the connector cover to fix the connection state between the plug-in connection part and the connector connection part.

[0014] In one embodiment, the locking mechanism includes one or more ribs provided on the outer wall of the connector connecting portion and extending along the length direction of the connector connecting portion, and a groove provided on the plug-in connecting portion and cooperating with the ribs.

[0015] In one of the embodiments, the installation and fixation of the plug-in connection portion and the connector connection portion are also fixed by snapping together with a snap-fit ​​assembly.

[0016] In one embodiment, the snap-on assembly includes a cantilevered snap-on member provided on the second connecting surface and extending in the second incoming line direction, and a snap-on card slot provided on the plug-in connecting portion, and when the first connecting terminal is plugged and paired with the second connecting terminal, the cantilevered snap-on member is snapped and fixed to the snap-on card slot.

[0017] In one of the embodiments, the extending end of the cantilever-shaped fastening member is provided with a hook portion protruding upward, and the hook portion is clamped in the fastening slot.

[0018] In one of the embodiments, the hook portion is provided with an anti-slip strip.

[0019] In one embodiment, the first connection terminal further includes a first connection terminal shell, which is assembled from left to right to form a first shell with the plug-in cover at the first opening, and at least one accommodating channel penetrating the first shell is formed in the first shell; the second connection terminal further includes a second connection terminal shell, which is assembled from left to right to form a second shell with the plug-in cover at the second opening, and at least one accommodating channel penetrating the second shell is formed in the second shell.

[0020] In one embodiment, one end of the first connection terminal housing is the first wire entry hole, and the other end is fixedly connected to the plug-in socket through the first opening; one end of the second connection terminal housing is the second wire entry hole, and the other end is fixedly connected to the connector socket through the second opening.

[0021] In one embodiment, the top of the first connection terminal housing is a first plugboard assembly extending from the top of the first wire entry hole to the rear end of the first connection terminal housing, and the first plugboard assembly includes at least one first plugboard, one end of the first plugboard is fixed to the top of the first wire entry hole to form a whole, and the other end of the first plugboard is inserted into the plug-in cover to be installed and fixed;

[0022] The top of the second connection terminal housing is a second plug-in board assembly extending from the top of the second wire entry hole to the rear end of the second connection terminal housing, and the second plug-in board assembly includes at least one second plug-in board, one end of the second plug-in board is fixed to the top of the second wire entry hole to form a whole, and the other end of the second plug-in board is inserted into the connector cover to form an installation and fixation.

[0023] In one embodiment, the first connection terminal housing is fixedly connected to the plug-in socket via a first snap assembly; and / or the second connection terminal housing is fixedly connected to the connector socket via a second snap assembly.

[0024] In one embodiment, the first buckle assembly includes a first bottom buckle protrusion provided on the bottom surface of the first connection terminal housing and protruding, and a plug-in bottom buckle slot provided on the bottom of the plug-in socket and fastened with the first bottom buckle protrusion; and / or a first top buckle protrusion provided on the top surface of the first plug-in board and protruding, and a plug-in top buckle slot provided on the top of the plug-in socket and fastened with the first top buckle protrusion; and

[0025] The second snap-fit ​​assembly includes a second bottom snap-fitting protrusion provided on the bottom surface of the second connecting terminal housing and protruding, and a connector bottom snap-fitting notch provided on the bottom of the connector socket and fastened with the second bottom snap-fitting protrusion; and / or, a second top snap-fitting protrusion provided on the top surface of the second plugboard and protruding, and a connector top snap-fitting notch provided on the top of the connector socket and fastened with the second top snap-fitting protrusion.

[0026] According to the above-mentioned plug-in connector, a first combining portion is provided on the first side wall of the first connecting terminal housing, and a second combining portion matching the first combining portion is provided on the second side wall of the connecting terminal housing opposite to the first side wall, and the first combining portion or the second combining portion of the second connecting terminal housing is configured to be detachably combined with the second combining portion or the first combining portion of the other connecting terminal housing, thereby connecting the connecting terminal housing and the other connecting terminal housing in parallel.

[0027] According to the above-mentioned plug-in connector, the first combining portion includes a first protrusion that is arranged to protrude from the first side wall parallel to the insertion direction, and the first protrusion is U-shaped; the second combining portion includes a second groove that is arranged to be recessed from the second side wall parallel to the insertion direction, and the first protrusion can be inserted into the second groove of another connecting terminal housing.

[0028] In one of the embodiments, the second contact is a pin sleeve of a sleeve-shaped structure, the first contact is a pin head that can be inserted into the pin sleeve to achieve electrical connection with the pin sleeve, the plug-in clamping device also includes a plug-in connector, the plug-in clamping spring, the plug-in connector and the pin head are connected in sequence, and / or the connector clamping device also includes a connector connector, the connector clamping spring, the connector connector and the pin sleeve are connected in sequence.

[0029] The plug-in clamping spring comprises a front plug-in metal sheet and a plug-in bus bar, and the plug-in connector connects the bus bar and the latch head.

[0030] In one embodiment, the plug-in clamping device is integrally formed, and / or the connector clamping device is integrally formed.

[0031] In one of the embodiments, the side wall of the latch sleeve is provided with a limiting lug.

[0032] In one of the embodiments, the latch sleeve is provided with an expansion joint penetrating the tube wall.

[0033] In one of the embodiments, the latch sleeve is further provided with an expansion joint.

[0034] In one embodiment, the expansion joint is a joint that does not penetrate the pipe wall.

[0035] In one embodiment, the latch head is a cylindrical latch.

[0036] In one of the embodiments, at least one expansion joint is provided on the upper portion of the latch head, and the width of the expansion joint gradually narrows toward the latch opening.

[0037] In one embodiment, the off-line device includes a first off-line device and a second off-line device, one end of the first off-line device extends into the first shell body for squeezing the plug-in clamping spring so as to open or close the plug-in clamping device, and the other end of the first off-line device extends out of the first shell body; and one end of the second off-line device extends into the second shell body for squeezing the connector clamping spring so as to open or close the connector clamping device, the off-line device includes a connecting arm and two side-by-side supporting arms connected to the connecting arm and a combining arm located in the middle of the supporting wall, and the other end of the second off-line device extends out of the second shell body.

[0038] In one of the embodiments, the plug-in gland is provided with at least one plug-in test port, and / or the connector cover is provided with at least one connector test port.

[0039] In one embodiment, the plug connector also includes an upper cover and a lower seat, and the upper cover and the lower seat are assembled together to form a wire protection box; the first connecting terminal and / or the second connecting terminal are installed in the space formed between the upper cover and the lower seat.

[0040] In one embodiment, the upper cover and the lower seat can be connected by screws and / or snaps.

[0041] In one of the embodiments, the lower seat includes a lower seat body, the lower seat body is provided with a clamp, one end of the clamp is fixed to the side wall of the lower seat body, and the other end is clamped with the upper cover body.

[0042] In one of the embodiments, the upper cover includes an upper cover body, and a wire clip with plastic elastic force is disposed at the front of the upper cover body.

[0043] In one of the embodiments, the plug connector further includes a wire protection box, the wire protection box includes an upper cover and a lower seat, and the upper cover is hinged on the lower seat.

[0044] In one of the embodiments, a positioning space for positioning the first connecting terminal or the second connecting terminal is formed between the lower seat and the upper cover, and a mating groove for exposing the plug-in connecting part or the connector connecting part of the first connecting terminal or the second connecting terminal is provided in front of the positioning space, and a through hole for allowing the wire to pass through and extend to the outside is provided at the rear of the positioning space.

[0045] In one embodiment, the plug-in cover is provided with at least one plug-in card slot on the upper cover, and / or the connector cover is provided with at least one connector card slot on the upper cover. The upper cover includes an upper cover wall and two upper cover side walls connected to the upper cover wall, and the front end of the upper cover side wall is provided with an upper cover card interface that matches the plug-in card slot on the upper cover or the connector card slot on the upper cover.

[0046] In one of the embodiments, a socket is provided on the rear side of the upper cover wall, a wire clamp is fixedly connected to the rear of the socket, the wire clamp includes a connecting section and a cantilever section, the connecting section is fixed to the rear of the socket of the upper cover wall, the cantilever section extends into the upper cover groove and can be deformed to elastically abut the wire inserted into the through hole.

[0047] In one embodiment, the upper cover and the lower seat can be connected by screws and / or a snap-on assembly, and the snap-on assembly includes a snap component arranged at the rear end of the lower seat, and a snap-on groove that can be snap-connected with the snap component is provided at the rear end of the side wall of the upper cover and at a position corresponding to the snap component.

[0048] In one embodiment, the lower seat includes a lower seat base and two lower seat side walls connected to the lower seat base, the clamp is a longitudinally arranged strip plate structure extending upward from the lower seat base along the lower seat side walls, and a buckle is provided at the end of the clamp.

[0049] The lower seat includes a lower seat base and two lower seat side walls connected to the lower seat base. The front end of the lower seat side wall is provided with a lower seat groove for placing the first connecting terminal or the second connecting terminal. The lower seat base is also provided with a lower seat socket, and the lower seat socket is provided with an elastically deformable snap-on part.

[0050] In one embodiment, a rotating shaft is disposed on both sides of the front end of the upper cover, and a fixed arm used in conjunction with the rotating shaft is disposed on both sides of the front end of the lower seat, and the upper cover is hinged to the fixed arm of the lower seat through the rotating shaft.

[0051] In one embodiment, a straight-shaped locking pin may be provided at the end of the rotating shaft.

[0052] In one of the embodiments, the side wall of the upper cover body is provided with at least one reinforcing rib, and / or the side wall of the lower seat body is provided with at least one reinforcing rib.

[0053] In one of the embodiments, anti-slip grooves are arranged on the outer side of the side wall of the lower seat body.

[0054] In one of the embodiments, at least one rack that transversely penetrates the lower seat base is provided at the connection between the clamp and the lower seat base to fix the wire.

[0055] The gland structure of the plug connector of the present invention has at least the following beneficial effects: by providing a plug-in gland and a connector gland that can be used in conjunction with each other, the present invention can simultaneously connect at least two connection terminals, thereby achieving a simple structure and convenient assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0056] Figure 1 This is a front view of the plug connector of the first embodiment of the present patent;

[0057] Figure 2 is a stereogram of the plug connector of the first embodiment of the present patent;

[0058] Figure 3 This is a three-dimensional diagram of the plug connector of the first embodiment of the present invention.

[0059] Figure 4 yes Figure 1 CC section view of the plug-in connector of the plug-in connector;

[0060] Figure 5 yes Figure 1 AA sectional view of the connector of the plug connector;

[0061] Figure 6 yes Figure 1 A three-dimensional view of a plug-in gland of a plug-in connector;

[0062] Figure 7 yes Figure 1 A three-dimensional view of a plug-in gland of a plug-in connector;

[0063] Figure 8 yes Figure 1 A three-dimensional view of a connector gland of a plug-in connector;

[0064] Fig. 9 yes Figure 1 A three-dimensional view of a connector gland of a plug-in connector;

[0065] Fig.10 yes Figure 1 A perspective view of a first connection terminal housing of a plug-in connector;

[0066] Fig.11 yes Figure 1 A perspective view of a first connection terminal housing of a plug-in connector;

[0067] Fig.12 yes Figure 1 A perspective view of a second connection terminal housing of the plug-in connector;

[0068] Fig.13 yes Figure 1 A perspective view of a second connection terminal housing of the plug-in connector;

[0069] Fig.14 yes Figure 1 A three-dimensional view of a plug-in clamping device of a plug connector;

[0070] Fig.15 yes Figure 1 A three-dimensional view of a plug-in clamping device of a plug connector;

[0071] Fig.16 yes Figure 1 A three-dimensional view of a connector clamping device of a plug connector;

[0072] Fig.17 yes Figure 1 A three-dimensional view of a connector clamping device of a plug connector;

[0073] Fig.18 yes Figure 1 A three-dimensional view of a first disconnecting device of a plug connector;

[0074] Fig.19 yes Figure 1 A three-dimensional view of a first disconnecting device of a plug connector;

[0075] Fig. 20 yes Figure 1 A three-dimensional view of a second disconnecting device of the plug connector;

[0076] Fig.21 yes Figure 1 A three-dimensional view of a second disconnecting device of the plug connector;

[0077] Fig. 22 yes Figure 1 A three-dimensional view of the upper cover of the plug connector;

[0078] Fig.23 yes Figure 1 A three-dimensional view of the upper cover of the plug connector;

[0079] Fig.24 yes Figure 1 A three-dimensional view of the lower seat of the plug connector;

[0080] Fig.25 yes Figure 1 A three-dimensional view of the lower seat of the plug connector;

[0081] Fig.26 It is a stereoscopic diagram of the plug connector of the first embodiment of the present invention in an open or closed state;

[0082] Fig. 27 This is a diagram of the use state of the plug connector of the first embodiment of the present patent;

[0083] Fig.28 yes Figure 1 A three-dimensional diagram of a first connecting terminal of a plug connector and a wire protection box in an open state;

[0084] Fig.29 It is a three-dimensional diagram of the disconnecting device of the plug connector of the second embodiment of the present patent;

[0085] Fig.30 It is a three-dimensional diagram of the disconnecting device of the plug connector of the second embodiment of the present patent;

[0086] Fig.31 is a three-dimensional diagram of the upper cover of the plug connector of the third embodiment of the present patent;

[0087] Fig.32is a three-dimensional diagram of the upper cover of the plug connector of the third embodiment of the present patent;

[0088] Fig.33 is a three-dimensional diagram of the lower seat of the plug connector of the third embodiment of the present patent;

[0089] Fig.34 is a three-dimensional diagram of the lower seat of the plug connector of the third embodiment of the present patent;

[0090] Fig.35 is a three-dimensional diagram of the plug connector of the third embodiment of the present patent;

[0091] Fig.36 is a three-dimensional diagram of the plug connector of the third embodiment of the present patent;

[0092] Fig.37 This is a stereoscopic diagram of the plug connector of the first embodiment of the present invention and the plug connector of the third embodiment being installed in coordination;

[0093] Fig.38 This is a stereoscopic diagram of the plug connector of the first embodiment of the present invention and the plug connector of the third embodiment being installed in coordination;

[0094] Fig.39 This is a stereoscopic diagram of the plug-in connector of embodiment 1 of the present patent being installed in coordination with the plug-in connector of embodiment 1.

[0095] Fig.40 This is a stereoscopic diagram of the plug connector of the first embodiment of the present invention and the plug connector of the third embodiment being installed in coordination;

[0096] Component number description:

[0097] Plug-in connector: 100; first connection terminal: 200; second connection terminal: 300; wire protection box 400;

[0098] Plug-in cover: 1; plug-in connection part: 11; groove: 112; ring groove: 114; plug-in socket: 12; plug-in top card slot: 121; plug-in bottom card slot: 122; first connection surface: 13; buckle card slot: 116; plug-in test port: 14; plug-in positioning plate: 124; lower seat plug-in card slot: 15; plug-in socket slot: 16; plug-in bottom slot: 161; plug-in side slot: 162; plug-in slot: 163;

[0099] First connection terminal housing: 2; first wire entry hole: 210; first opening: 220; plug board assembly: 22; plug board: 221; gap: 222; first top surface card convex head: 23; second plug bottom surface card convex head: 24; first joint part: 251; second joint part: 252;

[0100] Second connection terminal housing: 2'; first wire entry hole: 21'; first opening: 220'; plug board assembly: 22'; plug board: 221'; gap: 222'; second top surface card convex head: 23; second plug bottom surface card convex head': 24; third joint part: 251'; fourth joint part: 252';

[0101] First off-line device: 3; connecting arm: 31; supporting arm: 32; accommodating area: 33; first supporting portion: 34; second supporting portion: 35; bottom of first supporting portion: 36;

[0102] Second de-threading device: 3'; connecting arm: 31'; supporting arm: 32'; accommodating area: 33'; first supporting portion: 34'; second supporting portion: 35'; bottom of first supporting portion: 36';

[0103] Plug-in clamping device: 4; plug-in clamping spring: 41; plug-in spring: 411; plug-in protrusion: 412; plug-in elastic sheet: 413; plug-in fixing sheet: 414; bus: 415; plug-in card clamp: 417; plug-in groove: 418; pin head: 42; plug-in connector: 42; expansion joint: 431;

[0104] Upper cover: 5; rotation axis: 51; upper cover wall: 52; insertion hole 521; upper cover side wall 53; upper cover groove 531; reinforcing rib 532; wire clamp 54; connecting section 541; cantilever section 542; upper cover card interface 55; convex strip 56;

[0105] Lower seat: 6; fixed arm: 61; lower seat base 62; lower seat plug hole: 621; two lower seat side walls: 63; anti-slip grooves 65; buckle 66; clamp 67; screw matching hole: 68;

[0106] Connector gland: 7; Connector connection part: 71; Raised ring: 712; Raised rib: 714; Hook: 717; Anti-slip strip: 718; Connector socket: 72; Second connection surface: 73; Connector top slot: 721; Connector positioning plate: 724; Second connection surface: 73; Connector bottom slot: 722; Cantilevered buckle holder: 716; Connector test port: 74; Lower seat connector slot: 75; Connector socket slot: 76; Connector side slot: 761; Connector bottom slot: 762; Connector slot: 763;

[0107] Connector clamping device: 8; latch sleeve: 83; connector clamping spring: 81; connector spring: 811; connector protrusion: 812; connector elastic sheet: 813; connector fixing sheet: 814; rear connector metal sheet: 815; connector groove: 818; connector connecting piece: 82; limiting lug: 831; non-through expansion joint: 833. DETAILED DESCRIPTION

[0108] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0109] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0110] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0111] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0112] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0113] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central 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 a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0114] Example 1

[0115] like Figure 1-Figure 28 As shown, the present invention provides a plug connector 100, including a first connection terminal 200 and a second connection terminal 300, wherein the first connection terminal 200 is provided with a first wire entry hole 210 and a first opening 220, and a plug-in cover 1 for closing the first opening 220 is provided at the first opening 220, and the plug-in cover 1 is provided with a plug-in connection portion 11 extending along the first wire entry direction; the second connection terminal 300 is provided with a second wire entry hole 210' and a second opening 220', and a connector cover 7 for closing the second opening 220' is provided at the second opening 220', and the connector cover 7 is provided with a connector connection portion 71 extending along the second wire entry direction; the plug-in cover 1 and the connector cover 7 are made of insulating material. The first wire entry hole 210' and the second wire entry hole 220' are arranged opposite to each other, and the plug-in connection portion 11 and the connector connection portion 71 cooperate with each other to realize the detachable connection between the first connection terminal 200 and the second connection terminal 300.

[0116] like Figure 6-Figure 9 As shown, in the above scheme, by providing the first connection terminal 200 and the second connection terminal 300, at least two wires can be clamped into the wire accommodating cavity of the first connection terminal 200 and the second connection terminal 300 through the first wire entry hole 210 and the second wire entry hole 220', and the first connection terminal 200 and the second connection terminal 300 can be detachably connected through the plug-in connection part 11 and the connector connection part 71, thereby achieving conduction of at least two wires. The plug-in gland 1 and the connector gland 7 cooperate with each other to prevent the wires from being inserted incorrectly.

[0117] In this embodiment, the plug-in pressure cover 1 includes a plug-in cover body, which includes a plug-in socket 12 and a plug-in connecting portion 11. The plug-in socket 12 is fixedly installed at the first opening 220. The plug-in socket 12 includes a top surface and a first connecting surface 13 connected to the front end of the top surface. The first connecting surface 13 is provided with a through hole corresponding to the first wire entry hole 210. The plug-in connecting portion 11 is arranged at the through hole of the first connecting surface 13. The plug-in connecting portion 11 is roughly a hollow columnar structure and is connected to the first wire entry hole through the through hole on the first connecting surface 13; the connector pressure cover 7 is fixedly installed at the second opening 220', the connector socket 72 includes a top surface and a second connecting surface 73 connected to the front end of the top surface. The second connecting surface 73 is provided with a through hole corresponding to the second wire entry hole 210', and the plug-in connecting portion 71 is arranged at the through hole of the second connecting surface 73. The connector connecting portion 71 is roughly a hollow columnar structure and is connected to the second wire entry hole 210' through the through hole of the second connecting surface 73.

[0118] In the above embodiment, the plug-in gland 1 and the connector gland 7 are provided with a locking mechanism to fix the connection state of the plug-in connector 11 and the connector connector 71. Specifically, the plug-in connector 11 may be, but not limited to, a hollow columnar structure. The plug-in connector 11 may be a hollow cylinder or other shapes that are convenient for installation with the connector connector 71, such as a columnar structure with a non-circular cross section. Further, the locking mechanism may include, but not limited to, one or more ribs 714 extending along the length direction of the connector connector 71 provided on the outer wall of the connector connector 71, and a groove 112 provided on the plug-in connector 11 to cooperate with the ribs 714. The connector connector 71 is inserted into the plug-in connector 11, and the plug-in gland 1 and the connector gland 7 are installed more stably through the cooperation of the locking mechanism.

[0119] In the above embodiment, the installation and fixation of the plug-in connection part 11 and the connector connection part 71 are also fixed by snapping together through a snap-fit ​​assembly. Specifically, the snap-fit ​​assembly may include but is not limited to a cantilevered snap-fitting member 716 provided on the second connection surface 73 and extending in the second incoming line direction, and a snap-fitting card slot 116 provided on the upper part of the plug-in connection part 11. When the first connection terminal 200 and the second connection terminal 300 are plugged and matched, the cantilevered snap-fitting member 716 is snapped and fixed to the snap-fitting card slot 116. The provision of the snap-fitting assembly makes the connection between the plug-in connection part 11 and the connector connection part 71 more firmly, and can effectively prevent wrong insertion.

[0120] Furthermore, the extended end of the cantilevered latch 716 is provided with an upwardly protruding hook 717, which is clamped in the latch slot 116. The hook 717 is provided with an anti-slip strip 718, which provides an obvious fulcrum when unlocking the plug-in connector 100, and also has an anti-slip function, making it easy to use.

[0121] like Figure 10-13As shown, in this embodiment, the first connection terminal 200 further includes a first connection terminal housing 2, which is assembled from left to right to form a first housing with the plug-in cover 1 at the first opening 220; the second connection terminal 300 further includes a second connection terminal housing 2', which is assembled from left to right to form a second housing with the connector cover 7 at the second opening 220'. One end of the first connection terminal housing 2 is a first wire entry hole 210, and the other end is connected to the plug-in socket 12 through the first opening 220; one end of the second connection terminal housing 2' is a second wire entry hole 210', and the other end is connected to the connector socket 72 through the second opening 220'. Specifically, the first connection terminal housing 2 and the second connection terminal housing 2' have the same structure.

[0122] In the above embodiment, the top of the first connection terminal housing 2 is a first plug-in board assembly 22 extending from the top of the first wire entry hole 210 to the rear end of the first connection terminal housing 2. The first plug-in board assembly 22 includes at least two first plug-in boards 221. One end of the first plug-in board 221 is fixed to the top of the first wire entry hole 210 to form a whole, and the other end of the first plug-in board 221 is inserted into the plug-in cover 1 to form an installation and fixation.

[0123] The top of the second connection terminal housing 2' is a second plugboard assembly 22' extending from the top of the second wire entry hole 210' to the rear end of the second connection terminal housing 2'. The second plugboard assembly 22' includes at least two second plugboards 221'. One end of the second plugboard 221 is fixed to the top of the second wire entry hole 210' to form a whole. The other end of the second plugboard 22' is inserted into the connector cover 7 to form an installation and fixation. Further, the upper part of the plug-in socket 12 is provided with a plug-in slot 163 that matches the insertion end of the first plugboard 221, and the upper part of the connector socket 72 is provided with a connector slot 763 that matches the insertion end of the second plugboard 221'. The installation and fixation of the first plugboard 221 and the plug-in slot 163, the connector slot 763 and the second plugboard 221' can be, but not limited to, plug-in fixation, adhesive fixation, ultrasonic welding fixation, or snap-on fixation of a snap assembly.

[0124] In the above embodiment, the first connection terminal housing 2 is connected to the plug-in socket 12 via a first snap assembly; and / or the second connection terminal housing 2 ′ is connected to the connector socket 72 via a second snap assembly. Further, the first snap assembly includes a first bottom snap-in head 24 which is provided on the bottom surface of the first connecting terminal housing 2 and protrudes, and a first bottom snap-in slot 122 which is provided on the bottom of the plug-in socket 12 and is fastened with the first bottom snap-in head 24; and / or, a first top snap-in head 23 which is provided on the top surface of the first plug-in board 221 and protrudes, and a plug-in top snap-in slot 121 which is provided on the top of the plug-in socket 12 and is fastened with the first top snap-in head 23; and the second snap-in assembly includes a second bottom snap-in head 24' which is provided on the bottom surface of the second connecting terminal housing 2' and protrudes, and a connector bottom snap-in slot 722 which is provided on the bottom of the connector socket 72 and is fastened with the second bottom snap-in head 24'; and / or, a second top snap-in head 23' which is provided on the top surface of the second plug-in board 221' and protrudes, and a connector top snap-in slot 721 which is provided on the top of the connector socket 72 and is fastened with the second top snap-in head 23' of the connector. Specifically, the first plug board 221 is inserted into the plug-in slot 163, the second plug board 221' is inserted into the connector slot 763, the plug-in cover 1 and the first connection terminal housing 2, the connector cover 7 and the second connection terminal housing 2' are connected to each other and then fixedly fastened and installed.

[0125] In this embodiment, a first coupling portion 251 is provided on the first side surface 25 of the first connection terminal housing 2, and a second coupling portion 261 matching the first coupling portion 251 is provided on the second side surface 26 of the first connection terminal housing 2 opposite to the first side surface 25. The first coupling portion 251 or the second coupling portion 261 of the first connection terminal housing 2 is configured to be detachably coupled with the second coupling portion 261 or the first coupling portion 251 of another first connection terminal housing 2, thereby connecting the first connection terminal housing 2 and another first connection terminal housing 2 in parallel. The second connection terminal housing 2' is provided with the same structure as the first connection terminal housing 2.

[0126] In this embodiment, a third combining portion 251' is provided on the third side surface 25' of the second connecting terminal housing 2', and a fourth combining portion 261' matching the third combining portion 251' is provided on the fourth side surface 26' of the second connecting terminal housing 2' opposite to the third side surface 25'. The third combining portion 251' or the fourth combining portion 261' of the second connecting terminal housing 2' is configured to be detachably combined with the third combining portion 261' or the fourth combining portion 251' of another second connecting terminal housing 2', thereby connecting the second connecting terminal housing 2' and the other second connecting terminal housing 2' in parallel.

[0127] In the above embodiment, the first combining portion 251 includes a first protrusion 252 protruding from the first side surface parallel to the insertion direction, and the first protrusion 252 is U-shaped; the second combining portion 252 includes a second groove 262 recessed in the second side surface parallel to the insertion direction, and the first protrusion can be inserted into the second groove 262 of another connecting terminal housing.

[0128] like Figure 9-13 As shown, in this embodiment, the first connection terminal 200 also includes a plug-in clamping device 4, which is installed in the space formed between the plug-in cover 1 and the first connection terminal housing 2, and the plug-in clamping device 4 includes a plug-in clamping spring 41, a plug-in connector 42 and a plug head 43 connected in sequence; the plug-in clamping spring 41 cooperates with the first wire entry hole 210 to form a first clamping interface; and the second connection terminal 300 also includes a connector clamping device 8, which is installed in the space formed between the connector cover 7 and the second connection terminal housing, and the connector clamping device 8 includes a connector clamping spring 81, a connector connector 82 and a plug sleeve 83 connected in sequence, and the connector clamping spring 81 cooperates with the second wire entry hole 210' to form a second clamping interface; when the first connection terminal 200 is docked with the second connection terminal 300, the plug head 42 is plugged and matched with the plug sleeve 83 to realize the detachable connection between the first connection terminal 200 and the second connection terminal 300. Specifically, the plug-in clamping device 4 and the connector clamping device 8 are made of conductive metal materials, at least two wires enter the plug connector from the first wire entry hole 210 and the second wire entry hole 210' respectively, and abut against the first clamping interface and the second clamping interface, the pin head 42 and the pin sleeve 83 are plugged together, and then the two wires are in a conductive state, so that shorter wires can be connected through the plug connector.

[0129] In the above embodiment, the connection method of the plug-in clamping spring 41, the plug-in connector 42 and the plug head 43 can be various. For example, the plug-in clamping spring 41, the plug-in connector 42 and the plug head 43 can be integrally formed, or the plug-in connector 42 and the plug head 43 can be integrally formed. Optionally, the plug-in clamping spring, the plug-in connector 42 and the plug head 42 can also be fixed by welding, bonding, etc., which is not limited in the embodiment of the present patent. It can be understood that the integral molding method can improve the connection strength of the plug-in clamping device 4, so that the overall structural strength of the first connecting terminal 200 is higher.

[0130] In the above embodiment, the connection method of the connector clamping spring 81, the connector connecting member 82 and the latch sleeve 83 can be various. For example, the connector clamping spring 81, the connector connecting member 82 and the latch sleeve 83 can be integrally formed, or the connector connecting member 82 and the latch sleeve 83 can be integrally formed. Optionally, the connector clamping spring 81, the connector connecting member 82 and the latch sleeve 83 can also be fixed by welding, bonding, etc., which is not limited in the embodiment of the present patent. It can be understood that the integral molding method can improve the connection strength of the connector clamping device 8, so that the overall structural strength of the second connection terminal 200 is higher.

[0131] In the above embodiment, the plug-in clamping spring 4 includes a front plug-in metal sheet 413 and a plug-in bus 415, the front plug-in metal sheet includes two plug-in elastic sheets 413 arranged side by side and a plug-in fixing sheet 414 connecting the two plug-in elastic sheets 413 together, one side of the plug-in elastic sheet 413 is connected to the plug-in fixing sheet 414; the bus is in an inverted Z shape, the bottom 417 of the plug-in bus is fixedly connected to the bottom of the front connector metal sheet, and a sheet-shaped plug-in protrusion 412 protrudes from the top of the plug-in bus, and the plug-in spring sheet is generally V-shaped, including a fixed edge 414 and abutting edge 411, and the fixed edge 414 of the front plug-in metal sheet is located at the bottom of the plug-in bus and is in close contact with the bottom of the bottom 417 of the plug-in bus; preferably, the plug-in elastic sheet 413 is connected to one end of the plug-in connector 42 upwardly through an arc surface or an elastic bow, and a plug-in groove 418 is provided at the upper end of the plug-in elastic sheet 413, and the plug-in groove 418 is provided on both sides of the plug-in elastic sheet 413, so as to facilitate the placement of the de-wire device 3.

[0132] In the above embodiment, the connector clamping spring 8 includes a front connector metal sheet 813 and a connector bus 815. The front connector metal sheet includes two connector elastic sheets 813 arranged side by side and a connector fixing sheet 814 connecting the two connector elastic sheets 813 together. One side of the connector elastic sheet 813 is connected to the connector fixing sheet 814. The bus is in an inverted Z shape. The bottom 817 of the connector bus is fixedly connected to the bottom of the front connector metal sheet. The top of the connector bus is protruding with a sheet-like connector protrusion 812. The connector spring sheet is generally V-shaped, including a fixed edge 818 and abutting edge 811, and the fixed edge 814 of the front connector metal sheet is located at the bottom of the connector bus and is in close contact with the bottom 817 of the connector bus; preferably, the connector elastic sheet 813 is upwardly connected to one end of the connector connector 82 through an arc-shaped surface or an elastic bow portion, and a connector groove 818 is provided at the upper end of the connector elastic sheet 813, and the connector groove 818 is provided on both sides of the connector elastic sheet 813, which is convenient for placing the de-wire device 3'.

[0133] In the above embodiment, the plug-in connector 42 may be but is not limited to a trapezoidal sheet structure to connect the bus and the plug head 42, the plug-in connector 42 and the bus may be integrally formed, and the connector 82 may be but is not limited to a trapezoidal sheet structure to connect the rear connector metal sheet 815 and the plug sleeve 83.

[0134] In the above embodiment, the side wall of the latch sleeve 83 is provided with a limiting lug 831. Optionally, the limiting lug 831 can be stacked and arranged on both sides of the side wall of the latch sleeve 83, and the limiting lug 831 can enhance the plugging and unplugging force of the plug connector.

[0135] In the above embodiment, in order to facilitate expansion and contraction when plugging and unplugging the latch head 42, the latch sleeve 83 also has an expansion joint 832 that does not penetrate the sheath wall, so that the latch sleeve 83 is more elastic. Further, the latch sleeve 83 can be, but is not limited to, a hollow structure.

[0136] In the above embodiment, the plug head 42 can be, but is not limited to, a cylindrical plug. An expansion joint 431 is provided on the upper part of the plug head 42, and the width of the expansion joint 431 gradually narrows toward the plug opening, so that the plug head 42 has elasticity, ensuring the flexibility and elasticity of the plug connector when wiring, and not easily causing deformation during installation. Of course, the plug head 42 and the plug sleeve 83 can both be in the form of no cracks or cracked notches, and also have elasticity.

[0137] like Figure 18-Figure 21 The first connection terminal 200 and the second connection terminal 300 also include a disconnecting device, which includes a first disconnecting device 3 and a second disconnecting device 3'. One end of the first disconnecting device 3 extends into the first housing to squeeze the plug-in clamping spring to open or close the first clamping interface, and the other end of the first disconnecting device 3 extends out of the first housing; and one end of the second disconnecting device 3' extends into the second housing to squeeze the plug-in clamping spring to open or close the second clamping interface, and the other end of the second disconnecting device 3' extends out of the second housing. The first disconnecting device 3 and the second disconnecting device 3' have the same structure

[0138] In the above embodiment, the first off-line device includes a first connecting arm 31 and two opposite first support arms 32 connected to the first connecting arm 31. One end of the first support arm 32 is connected to the first connecting arm 31, and the other end of the first support arm 32 is a free end and extends into the first connecting terminal housing 2 to squeeze the plug-in clamping spring 41. The end position of the first connecting arm 31 is provided with anti-slip grooves, which is convenient for manual operation to easily move or lift the first off-line device to rotate. Preferably, the front ends of the first connecting arm 31 can also be tightened inward. The bottom of the support wall is similar to a triangle, and a protruding first support portion 34 similar to a triangle is provided on the inner side of the support wall, and a second support portion 35 is provided on the upper part of the first support portion 34. The first support portion 34 cooperates with the plug-in groove 418 of the plug-in elastic sheet 413, and the second support portion 35 contacts the flanges on both sides of the first plug-in board 221.

[0139] When the clamping interface of the plug-in clamping device 4 is in the closed position, the first connecting arm 31 of the first off-line device is in a horizontal state or a nearly horizontal state. When the first connecting arm 31 of the first off-line device is toggled, the first supporting portion 34 abuts against the plug-in groove 418 of the plug-in elastic sheet 413, and the second supporting portion 35 abuts against the flanges on both sides of the first plug plate 221. As the anti-off device rotates, the first supporting portion 34 gradually squeezes the elastic sheet and further opens the clamping interface. When the plug connector is in the open position, the first supporting portion 34 is connected to the plug-in groove 418.

[0140] In the above embodiment, the off-line device 3' includes a second connecting arm 31' and two opposite second support arms 32' connected to the second connecting arm 31'. One end of the second support arm 32' is connected to the second connecting arm 31', and the other end of the second support arm 32' is a free end and extends into the second connecting terminal housing 2' to squeeze the connector clamping spring 81. The end position of the second connecting arm 31' is provided with anti-slip grooves, which is convenient for manual operation to easily move or lift the off-line device 3' to rotate. Preferably, the front ends of the second connecting arm 31' can also be tightened inward. The bottom of the support wall is similar to a triangle, and a protruding third support portion 34' similar to a triangle is provided on the inner side of the support wall, and a fourth support portion 35' is provided on the upper part of the third support portion 34'. The third support portion 34' cooperates with the connector groove 818 of the connector elastic sheet 813, and the fourth support portion 35' contacts the flanges on both sides of the second plugboard 221'.

[0141] When the clamping interface of the connector clamping device 8 is in the closed position, the second connecting arm 31' of the off-line device 3' is in a horizontal state or a nearly horizontal state. When the second connecting arm 31' of the off-line device 3' is toggled, the third supporting portion 34' abuts against the connector groove 818 of the connector elastic sheet 813, and the fourth supporting portion 35' abuts against the flange. As the anti-offset device rotates, the third supporting portion 34' gradually squeezes the elastic sheet and further opens the clamping interface. When the plug connector is in the open position, the third supporting portion 34' is in contact with the connector groove 818.

[0142] In this embodiment, the plug-in gland 1 is provided with a plug-in test port 14, and / or the connector cover is provided with at least one connector test port 74. Further, the plug-in test port 14 and the connector test port 74 can be provided at the upper part of the plug-in socket 12 to facilitate the detection of the conductive condition.

[0143] like Figure 22-Figure 25 As shown, in this embodiment, the plug connector also includes a wire protection box 400, and the wire protection box 400 includes an upper cover 5 and a lower seat 6, and the upper cover 5 is hinged on the lower seat 6. Furthermore, the size of the wire protection box is larger than the first connecting terminal 200 and the second connecting terminal 300, and the first connecting terminal 200 and the second connecting terminal 300 are respectively installed in the two wire protection boxes to protect the wires.

[0144] like Figure 22-25 As described above, a positioning space 410 is formed between the lower seat 6 and the upper cover 5 for positioning the first connecting terminal 200 or the second connecting terminal 300, and a fitting groove 420 is provided in front of the positioning space 410 for exposing the plug-in connecting part or the connector connecting part of the first connecting terminal 200 or the second connecting terminal 300, and a through hole 430 is provided behind the positioning space 410 for allowing the wire to pass through and extend to the outside.

[0145] In the above embodiment, the plug-in cover 1 also includes a plug-in upper cover card slot 15 arranged at the end of the plug-in socket, the connector cover 7 also includes a connector upper cover card slot 75 arranged at the end of the connector socket, the upper cover 5 includes an upper cover cover wall 52 and two upper cover side walls 53 connected to the upper cover cover wall 52, the front section of the upper cover side wall 53 is provided with an upper cover groove 531 for placing the first connecting terminal 200 / the second connecting terminal 300, the front end of the upper cover groove 531 is provided with an upper cover card interface 55 that cooperates with the plug-in upper cover card slot 15 or the connector upper cover card slot 75, and the inner side of the upper cover cover wall 52 is provided with a convex strip 56 connected to the two upper cover side walls 53, and the convex strip 56 is used to position the first connecting terminal 200 or the second connecting terminal 300.

[0146] In the above embodiment, the rear side of the upper cover wall 52 is provided with an insertion hole 521, and a wire clamp 54 is fixedly connected to the rear of the insertion hole 521. The wire clamp 54 includes a connecting section 541 and a cantilever section 542. The connecting section 541 is fixed to the rear of the insertion hole 521 of the upper cover wall, and the cantilever section 542 extends into the upper cover groove 531, and is deformably arranged and used to elastically abut the wire inserted into the through hole 430. It can be understood that the cantilever section 52 has elastic force, so it can clamp wires of different sizes by relying on its own elastic force.

[0147] In the above embodiment, the cantilever section 542 is bent. Specifically, the cantilever section 542 is bent in the direction of wire insertion after being extended to abut against the wire. It should be noted that the cantilever section is bent to improve the strength of the wire clamp 54 and can more stably fix the wire inserted into the wire protection box.

[0148] In this embodiment, a rotating shaft 51 is provided on both sides of the front end of the upper cover 5, and a fixed arm 61 used in conjunction with the rotating shaft 51 is provided on both sides of the front end of the lower seat 6. Specifically, the rotating shaft 51 is snap-connected with the fixed arm, and when the upper cover 5 is in an open state, the wire protection box 400 can be installed with the first connection terminal 200 or the second connection terminal 300; when the upper cover 5 is in a closed state, the wire protection box 400 snaps the first connection terminal 200 or the second connection terminal 300 into the wire protection box 400. Preferably, a straight-shaped buckle pin can be provided at the end of the rotating shaft 51, and when the wire protection box 400 is in an open state, it is convenient to install the first connection terminal 200 or the second connection terminal 300, and when the upper cover 5 is in a closed state, the wire protection box 400 further ensures the stability and safety of the first connection terminal 200 or the second connection terminal 300 when in use.

[0149] In this embodiment, the lower seat 6 includes a lower seat base 62 and two lower seat side walls 63 connected to the lower seat base 62. The front end of the lower seat side wall 63 is provided with a lower seat groove 631 for placing the first connecting terminal 200 / the second connecting terminal 300. The middle part of the lower seat base 62 is provided with a lower seat socket 621. The lower seat socket is provided with an elastically deformable snap-fit ​​member 66. When the first connecting terminal 200 / the second connecting terminal 300 is inserted into the lower seat groove 631, the snap-fit ​​member 66 is used to clamp the first connecting terminal 200 / the second connecting terminal 300 to position it and prevent the first connecting terminal 200 / the second connecting terminal 300 from moving.

[0150] In this embodiment, the wire protection box 400 includes a buckle assembly, which includes a clamping member 67 disposed at the rear end of the lower seat 6, the clamping member 67 is a longitudinally arranged strip plate structure, extending upward from the lower seat base 62 along the lower seat side wall 63, a buckle is provided at the end of the clamping member 67, and a clamping groove 57 capable of realizing a clamping connection with the clamping member 67 is provided at the rear end of the upper cover side wall 53 and at a position corresponding to the clamping member. It can be understood that the buckle assembly can make the wire protection box more secure when in use.

[0151] The connection between the clamp 67 and the lower seat base 62 is provided with two racks which transversely penetrate the lower seat base 62. When the upper cover and the lower seat are closed, the racks can facilitate the fixing of the wires.

[0152] In this embodiment, the outer side of the lower seat side wall 63 is provided with anti-skid patterns 65. The anti-skid patterns 65 can play an anti-skid role during installation and use.

[0153] As a preferred embodiment, the connection terminals described in Embodiment 1 can be connected in parallel in multiple numbers to form a multi-port connection terminal row for use.

[0154] Example 2

[0155] The present embodiment uses the same components, connection methods and structural descriptions as the first embodiment, and the descriptions are not repeated here.

[0156] like Figure 29-30 As shown, the present embodiment improves the off-line device 3 of the plug connector, and the off-line device 3 of the present embodiment also includes a connecting arm 31, two side-by-side supporting arms 32 connected to the connecting arm 31, and a combining arm 37 connected to the connecting arm 31 and located in the middle of the supporting wall 32. The supporting arm 32 and the combining arm 37 form two accommodating areas 33. It can be understood that the off-line device 3 in the present embodiment is a conjoined structure, that is, one off-line device 3 can simultaneously open or close multiple plug-in clamping devices and / or connector clamping devices, simplifying the operation.

[0157] Example 3

[0158] The present embodiment uses the same components, connection methods and structural descriptions as the first embodiment, and the descriptions are not repeated here.

[0159] like Figure 31-Figure 40 As shown, the wire protection box 400 is improved in this embodiment, and a positioning space 410 is formed between the lower seat 6 and the upper cover 5 for positioning at least two first connection terminals 200 or at least two second connection terminals 300, and at least two engaging grooves 420 are provided in front of the positioning space 410 for exposing the plug-in connection part and the connector connection part of the first connection terminal 200 or the second connection terminal 300, and at least two through holes 430 are provided behind the positioning space 410 for allowing the wires to pass through and extend to the outside. Specifically, the first connection terminal 200 and the second connection terminal 300 are respectively installed in two wire protection boxes so as to be used in different places. In this embodiment, a plug connector in embodiment 1 can be connected in parallel with the plug connector of this embodiment through the first combining part and the second combining part to form a multi-port connection terminal row.

[0160] In this embodiment, at least one reinforcing rib 532 is provided on the inner side of the upper cover side wall 53. And / or at least one reinforcing rib 632 is provided on the lower seat side wall 63. The reinforcing rib can strengthen the strength of the upper cover 5 and the lower seat 6 side walls, thereby reducing the degree of deformation of the wire protection box during use.

[0161] In this embodiment, the upper cover 5 and the lower seat 6 can also be connected by screws. Specifically, a screw hole 58 is provided at the end of the upper cover wall 52, and a screw matching hole 68 is provided at the corresponding position of the lower seat base 62, so that the wire protection box can be reinforced with screws.

[0162] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0163] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the invention 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 present invention, which all belong to the protection scope of the present invention. Therefore, the scope of the present invention patent shall be subject to the attached claims.

Claims

1. A plug connector, comprising a first connecting terminal and a second connecting terminal, characterized in that: The first connection terminal comprises a first connection terminal housing and a plug-in pressure cover, one end of the first connection terminal housing is provided with a first wire entry hole, the plug-in pressure cover is provided with a plug-in connection portion extending along a first wire entry direction, a plug-in clamping device is provided in the first connection terminal, the plug-in clamping device comprises a plug-in clamping spring and a first contact connected to the plug-in clamping spring; The second connection terminal comprises a second connection terminal housing and a connector cover, one end of the second connection terminal housing is provided with a second wire entry hole, the connector cover is provided with a connector connection portion that can be plugged into the plug-in connection portion, and a connector clamping device is provided in the second connection terminal, the connector clamping device comprises a connector clamping spring and a second contact connected to the connector clamping spring; The first connecting terminal and / or the second connecting terminal is provided with a disconnecting device, and the disconnecting device is used to open or close the plug-in clamping device and / or the connector clamping device; The plug-in connection portion and the connector connection portion can be plug-connected. When the plug-in connection portion and the connector connection portion are plug-connected, the first contact is electrically connected to the second contact.

2. The plug connector according to claim 1, characterized in that The plug-in gland comprises a plug-in socket and the plug-in connection portion, the plug-in socket comprises a top surface and a first connection surface connected to the front end of the top surface, and the plug-in connection portion is formed on the first connection surface; The connector pressing cover comprises a connector socket and the connector connecting portion, the connector socket comprises a top surface and a second connecting surface connected to the front end of the top surface, and the connector connecting portion is formed on the second connecting surface; The plug-in connection portion and the plug-in socket form a convex shape, and / or The connector connecting portion and the connector socket form a convex shape.

3. The plug connector according to claim 1, characterized in that The plug-in gland and / or the connector gland is provided with a locking mechanism to fix the connection state of the plug-in connection part and the connector connection part. The locking mechanism includes one or more ribs provided on the outer wall of the connector connection part and extending along the length direction of the connector connection part, and a groove provided on the plug-in connection part and cooperating with the ribs.

4. The plug connector according to claim 1, characterized in that The top of the first connection terminal housing is a first plugboard assembly extending from the top of the first wire entry hole to the rear end of the first connection terminal housing, the first plugboard assembly includes at least one first plugboard, one end of the first plugboard is fixed to the top of the first wire entry hole to form a whole, and the other end of the first plugboard is inserted into the plug-in cover to form an installation and fixation; The top of the second connection terminal housing is a second plug-in board assembly extending from the top of the second wire entry hole to the rear end of the second connection terminal housing, and the second plug-in board assembly includes at least one second plug-in board, one end of the second plug-in board is fixed to the top of the second wire entry hole to form a whole, and the other end of the second plug-in board is inserted into the connector cover to form an installation and fixation.

5. The plug connector according to claim 4, characterized in that The first connection terminal housing is fixedly connected to the plug-in socket via a first buckle assembly; and / or the second connection terminal housing is fixedly connected to the connector socket via a second buckle assembly.

6. The plug connector according to claim 5, characterized in that The first buckle assembly includes a first bottom surface buckle protruding from the bottom surface of the first connection terminal housing, and a plug-in bottom buckle notch provided at the bottom of the plug-in socket and fastened with the first bottom surface buckle protruding; and / or a first top surface buckle protruding from the top surface of the first plug-in board, and a plug-in top buckle notch provided at the top of the plug-in socket and fastened with the first top surface buckle protruding; and The second snap-fit ​​assembly includes a second bottom snap-fitting protrusion provided on the bottom surface of the second connecting terminal housing and protruding, and a connector bottom snap-fitting notch provided on the bottom of the connector socket and fastened with the second bottom snap-fitting protrusion; and / or, a second top snap-fitting protrusion provided on the top surface of the second plugboard and protruding, and a connector top snap-fitting notch provided on the top of the connector socket and fastened with the second top snap-fitting protrusion.

7. The plug connector according to claim 1, characterized in that The second contact is a pin sleeve of a sleeve-shaped structure, the first contact is a pin head that can be inserted into the pin sleeve to achieve electrical connection with the pin sleeve, the plug-in clamping device also includes a plug-in connector, the plug-in clamping spring, the plug-in connector and the pin head are connected in sequence, and / or the connector clamping device also includes a connector connector, the connector clamping spring, the connector connector and the pin sleeve are connected in sequence.

8. The plug connector according to claim 7, characterized in that The plug-in clamping spring comprises a front plug-in metal sheet and a plug-in bus bar, and the plug-in connector connects the bus bar and the latch head.

9. The plug connector according to claim 1, characterized in that The off-line device comprises a first off-line device and a second off-line device, one end of the first off-line device extends into the first housing to press the plug-in clamping spring so as to open or close the plug-in clamping device; One end of the second off-line device extends into the second housing to squeeze the connector clamping spring so as to open or close the connector clamping device. The off-line device includes a connecting arm, two side-by-side supporting arms connected to the connecting arm, and a combining arm located in the middle of the supporting wall.

10. The plug connector according to claim 1, characterized in that The plug connector also includes a wire protection box, which includes an upper cover and a lower seat, and the upper cover is hinged on the lower seat.

11. The plug connector according to claim 10, characterized in that The plug-in pressure cover is provided with at least one upper cover plug-in card slot, and / or the connector plug-in cover is provided with at least one upper cover connector card slot, the upper cover comprises an upper cover cover wall and two upper cover side walls connected to the upper cover cover wall, and the front end of the upper cover side wall is provided with an upper cover card interface matching with the plug-in upper cover card slot or the connector upper cover card slot.

12. The plug connector according to claim 10, characterized in that A socket is provided on the rear side of the upper cover wall, and a wire clamp is fixedly connected to the rear of the socket. The wire clamp includes a connecting section and a cantilever section. The connecting section is fixed to the rear of the socket of the upper cover wall, and the cantilever section extends into the upper cover groove and is deformably arranged to elastically abut the wire inserted into the through hole.

13. The plug connector according to claim 10, characterized in that The lower seat includes a lower seat base and two lower seat side walls connected to the lower seat base. The front end of the lower seat side wall is provided with a lower seat groove for placing the first connecting terminal or the second connecting terminal. The lower seat base is also provided with a lower seat socket, and the lower seat socket is provided with an elastically deformable snap-on part.

14. The plug connector according to claim 10, characterized in that Rotating shafts are arranged on both sides of the front end of the upper cover, and fixing arms used in conjunction with the rotating shafts are arranged on both sides of the front end of the lower seat. The upper cover is hinged to the fixing arms of the lower seat through the rotating shafts.

15. The plug connector according to claim 10, characterized in that The upper cover is snap-connected to the lower seat via a snap-on assembly, which includes a snap-on component disposed at the rear end of the lower seat, and a snap-on groove capable of snap-connecting with the snap-on component is disposed at the rear end of the side wall of the upper cover and at a position corresponding to the snap-on component.

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