A terminal block

Abstract

The present invention discloses a terminal block, which comprises an insulating base body, a conductive plate and a locking member; one end of the insulating base body is provided with a plurality of jacks along the axial direction, the surface of the insulating base body is provided with a plurality of wiring grooves along the axial direction, the jacks correspond to the wiring grooves one by one, and the jacks are communicated with the wiring grooves; the conductive plate is fixedly accommodated in the wiring groove, a wiring hole is formed in the conductive plate, a first cable passes through the jack and is accommodated in the wiring groove, a second cable is accommodated in the wiring groove, the wiring ends of the first cable and the second cable both correspond to the wiring hole, and the locking member passes through the wiring hole to electrically connect both the first cable and the second cable to the conductive plate. The present invention can visually judge whether the conductive plate is installed in the correct position, the two cables are installed at the same power sharing connection point, has low cost, is durable and has good stability.

Description

Technical Field

[0001] The present invention relates to the field of inverters, and more particularly to a terminal block. Background Art

[0002] At present, in the terminal blocks on inverters in the market, generally one kind of cable is connected to one end of the terminal block, and another kind of cable is connected to the other side of the terminal block. Conductive copper or a copper conductive plate is generally used between the cables. Since the two cables are respectively connected to both ends of the terminal block, a relatively long copper conductive plate is required, which increases the manufacturing cost. Moreover, the more connection points or the longer the connection thread, the more likely quality problems will occur, which is not conducive to the long-term stable use of the terminal block.

[0003] The stopper locking member does not fall off, which is convenient for manufacturers to pre-assemble the product and also has an important impact on the stable and durable use of the product during the use process.

[0004] In addition, if it is possible to observe whether each component is installed in the correct position, it plays an important role in improving the installation efficiency and the installation quality.

[0005] Therefore, in combination with the above-mentioned existing technical problems, it is necessary to provide a new technical solution. Summary of the Invention

[0006] In order to solve the technical problems existing in the prior art, the present invention provides a connector that can limit the locking member from falling off, can be pre-assembled, can visually judge whether the conductive plate is installed in the correct position, two cables are installed at the same power sharing connection point, has low cost, is durable and has good stability. The specific technical solution is as follows:

[0007] A terminal block includes an insulating seat body, a conductive plate and a locking member;

[0008] A plurality of jacks are axially formed at one end of the insulating seat body, and a plurality of wiring grooves are axially formed on the surface of the insulating seat body. The jacks and the wiring grooves correspond one by one, and the jacks are communicated with the wiring grooves;

[0009] The conductive plate is fixedly received in the wiring groove. A wiring hole is formed on the conductive plate. A first cable passes through the jack and is received in the wiring groove. A second cable is received in the wiring groove. A first cable wiring end of the first cable and a second cable wiring end of the second cable both correspond to the wiring hole. The locking member passes through the wiring hole to electrically and fixedly connect the first cable and the second cable to the conductive plate.

[0010] As a preferred solution of the terminal block of the present invention, it further includes a clamping member. The clamping member is detachably connected to the insulating seat body, and the clamping member can limit the locking member from falling off the insulating seat body.

[0011] As a preferred solution of the terminal block described in the present invention, the clamping member can abut the conductive plate in the wiring groove;

[0012] The wiring groove is provided with a wiring chute and a first wire groove. The wiring chutes are oppositely arranged on the side walls of the wiring groove. The conductive plate is accommodated in the wiring chute. The first wire groove is opened at the bottom of the wiring groove. The first wire groove corresponds to the wiring hole. The wiring groove is communicated with the jack through the first wire groove. The first cable terminal passes through the jack and is accommodated in the first wire groove. The first cable is located below the conductive plate;

[0013] A plurality of mounting holes are opened on one side of the insulating seat body away from the wiring groove. The mounting holes are communicated with the wiring groove and correspond to the wiring holes. The locking member fixes the conductive plate in the wiring groove through the mounting holes;

[0014] A plurality of shielding grooves are opened at one end of the insulating seat body away from the jack. The shielding grooves correspond to the wiring grooves. The shielding grooves are close to the mounting holes and are communicated with the mounting holes.

[0015] As a preferred solution of the terminal block described in the present invention, the locking member includes a bolt, and the bolt passes through the wiring hole from the mounting hole;

[0016] The clamping member includes a shielding plate. The shielding plate is accommodated in the shielding groove. One end of the shielding plate corresponds to the wiring hole. The shielding plate can be buckled in the insulating seat body and block the bolt in the mounting hole;

[0017] A shielding elastic piece is arranged on one side of the shielding plate away from the connecting block. A shielding protrusion is arranged on the shielding elastic piece. The shielding protrusion includes an inclined surface and a vertical surface perpendicular to the shielding elastic piece. The vertical surface is located on the side of the shielding protrusion away from the jack;

[0018] The side of the mounting hole away from the jack is a shielding surface. The shielding plate is accommodated in the shielding groove. The vertical surface abuts against the shielding surface. The shielding plate is buckled in the shielding groove.

[0019] As a preferred solution of the terminal block described in the present invention, the clamping member further includes a tongue plate. The tongue plate is parallel to the shielding plate. The tongue plate is accommodated in the wiring chute and abuts against the conductive plate.

[0020] As a preferred solution of the terminal block described in the present invention, the first cable terminal is a first terminal lug, the second cable terminal is a second terminal lug, and the first terminal lug, the wiring hole and the second terminal lug all correspond to each other;

[0021] The locking member further includes a nut. The bolt includes a non-circular bolt tail end. A receiving hole matching the bolt tail end is provided at the bottom of the first wire groove. The receiving hole corresponds to the mounting hole. The first wire groove and the shielding groove are communicated through the receiving hole. The bolt penetrates through the mounting hole and sequentially passes through the receiving hole, the first wiring nose, the wiring hole, and the second wiring nose. The bolt tail end is received in the receiving hole. The nut is fixed on the bolt. Both the first cable and the second cable are fixedly and electrically connected to the conductive plate.

[0022] As a preferred solution of the wiring base of the present invention, a plurality of functional wire holes are further provided at one end of the insulating seat body along the axial direction. The functional wire holes and the jacks are located on the same end face of the insulating seat body. The functional wire holes are located above the jacks. The functional wire holes are communicated with the wiring groove.

[0023] The insulating seat body further includes a placement block. The placement block is located between the jack and the functional wire hole. One end of the placement block close to the wiring hole is a stop surface. A conductive groove is provided at one end of the placement block close to the wiring hole. A nut groove is provided at the bottom of the conductive groove.

[0024] As a preferred solution of the wiring base of the present invention, the conductive plate includes a wiring plate, a connecting plate, and a functional wire plate. One end of the connecting plate is vertically connected with the wiring plate. The other end of the connecting plate is vertically connected with the functional wire plate. The wiring plate and the functional wire plate are located on both sides of the connecting plate. Wiring holes are provided on the wiring plate. The width of the connecting plate is smaller than the width of the wiring plate. Round holes are provided on the functional wire plate. The functional wire plate is received in the conductive groove. One end of the wiring plate close to the connecting plate is a contact surface. The contact surface abuts against the stop surface.

[0025] A functional wire wiring nose is provided at the wiring end of the functional cable. The functional cable passes through the functional wire hole and is placed on the functional wire plate. The functional wire wiring nose corresponds to the round hole.

[0026] As a preferred solution of the wiring base of the present invention, it further includes a rivet nut and a functional bolt matching the rivet nut. The rivet nut includes embossed teeth. The embossed teeth are pressed in the round hole. The rivet nut is located on the side of the functional wire plate close to the wiring plate. The rivet nut is received in the nut groove. The functional bolt sequentially passes through the functional wire wiring nose and the round hole and is fixed in the rivet nut.

[0027] Sliders are provided on the side wall of the shielding plate close to the tongue plate. Shielding sliding grooves are oppositely provided on both side walls of the shielding groove. The sliders are received in the shielding sliding grooves.

[0028] As a preferred embodiment of the wiring base of the present invention, on the opposite sides of the wiring groove, there are provided retaining bars, the axial direction of the retaining bars is the same as that of the insulating base body, the retaining bars are located above the conductive groove, and the retaining bars can press the functional wire board into the conductive groove;

[0029] On the opposite long sides of the wiring board, there are provided convex edges, the convex edges are in interference fit with the wiring chute, and the wiring board is fixed in the wiring chute.

[0030] Compared with the prior art, the wiring base described in this patent has at least one or more of the following beneficial effects in its technical solution:

[0031] (1) The first cable and the second cable are installed on the same wiring hole of the conductive plate, so that the first cable and the second cable have a power sharing connection point. The purpose of this design can greatly save the length of the conductive plate and the cost of the conductive plate. Compared with the conventional technology, the conductive plate of this embodiment saves half of the cost, greatly reducing the manufacturing cost of the connector. Therefore, this connector is more acceptable and usable by users, which helps to promote and use it widely; in addition, reducing the connection points and the wire length of the conductive wire also reduces the loosening failure of the connection points or other fault problems, which is beneficial to the long-term stable operation of the wiring base and further extends the service life of the wiring base.

[0032] (2) It is convenient to use. By setting the clip, the first cable can be inserted into the jack at the device end first, and the clip can be detachably installed on the insulating base body. On the one hand, the tongue plate of the clip abuts against the conductive plate, and the outer end of the clip is aligned with the outer end of the insulating base body. By observing whether the wiring board of the conductive plate abuts against the stop surface, whether the tongue plate of the clip abuts against the wiring board of the conductive plate, and whether the outer end of the clip is aligned with the outer end of the insulating base body, it can be directly observed whether the conductive plate is installed in the correct position and whether the clip is installed in the correct position. It can be directly judged, the operation is simple, the assembly is relatively simple, and the installation efficiency is improved. On the other hand, the shielding plate of the clip covers the installation hole opening, so that the bolt sleeved with the first cable and the conductive plate is fixed in the installation hole and pre-installed in place. This not only facilitates the semi-finished product of the wiring of the wiring base to be shipped to customers, and the customer only needs to install the second cable at the outer end after receiving the device, but also can improve the firmness of the wiring base during locking installation and use, and extend the service life.

[0033] (3) It can also connect functional cables, such as temperature measurement wires, etc., to increase the functional diversity of the wiring base; different ribs are provided on both sides of the wiring base, so that the sleeved protective cover plays a role in preventing misoperation, avoiding misinstallation caused by operation errors, and thus bringing unnecessary losses.

[0034] (4) The terminal block is also provided with an annular sealing groove and an annular groove for nesting the sealing ring, so that a sealing design can be achieved between the terminal block and the equipment end, and between the terminal block and the protective cover, avoiding water seepage and liquid leakage, which may cause corrosion and rust of the cable, and helping to improve the service life of the terminal block.

[0035] (5) The connection part of the protective housing adopts a mechanical stop design, and a stop spring piece is arranged at its connection end to prevent the wire locking sleeve from accidentally loosening or loosening after long-term use and aging, improving the safety and stability of the equipment during use. In addition, a pressing protrusion is also provided, and the wire locking sleeve can be disassembled by manually pressing it after locking, without the need to use auxiliary tools for disassembly, which is convenient for operation and greatly improves the convenience of use, making it more user-friendly.

[0036] (6) The wire locking sleeve is provided with a waterproof film, which is sealed around the second cable to be installed. In addition, sealing strips are arranged at intervals on the wire sealing claws, adopting a flexible design, which can not only achieve the sealing of the second cable to realize overall waterproof sealing, but also be compatible with more specifications of the second cable, being both safe and practical.

[0037] (7) The hook arranged on the clamping plate of the waterproof housing must be unlocked with tools, that is, mechanically unlocked, to prevent misoperation from bringing danger to personal safety or hindering the normal operation of the equipment. This design is safer.

[0038] Additional aspects and advantages of the present invention will be given in part in the following description, will become apparent in part from the following description, or will be understood through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the technical solutions of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0040] Figure 1 is an exploded structural schematic diagram of the usage state of the connector described in this embodiment;

[0041] Figure 2 is a three-dimensional structural schematic diagram of the connector described in this embodiment;

[0042] Figure 3 is a planar structural schematic diagram of some components of the terminal block described in this embodiment;

[0043] Figure 4 is Figure 3 the sectional structural schematic diagram taken along the A-A direction of

[0044] Figure 5It is a schematic plan view of some components of the terminal block described in this embodiment;

[0045] Figure 6 is Figure 5 The schematic sectional view taken along the line B-B of;

[0046] Figure 7 It is a schematic plan view of the terminal block described in this embodiment;

[0047] Figure 8 is Figure 7 The schematic sectional view taken along the line C-C of;

[0048] Figure 9 It is a schematic three-dimensional view of the insulating base body described in this embodiment in one direction;

[0049] Figure 10 It is a schematic three-dimensional view of the insulating base body described in this embodiment in another direction;

[0050] Figure 11 It is a schematic three-dimensional view of the clamping member described in this embodiment in one direction;

[0051] Figure 12 It is a schematic three-dimensional view of the clamping member described in this embodiment in another direction;

[0052] Figure 13 It is a schematic three-dimensional view of the conductive plate and the rivet nut described in this embodiment;

[0053] Figure 14 It is an exploded view of the conductive plate and the rivet nut described in this embodiment;

[0054] Figure 15 It is a schematic three-dimensional view of the protective cover described in this embodiment;

[0055] Figure 16 is Figure 15 The schematic sectional view taken along the line D-D of;

[0056] Figure 17 It is a schematic three-dimensional view of the protective housing described in this embodiment in one direction;

[0057] Figure 18 It is a schematic three-dimensional view of the protective housing described in this embodiment in another direction;

[0058] Figure 19 It is a schematic three-dimensional view of the wire-locking nut described in this embodiment;

[0059] Figure 20 It is a schematic three-dimensional view of the wire-sealing bushing described in this embodiment;

[0060] Figure 21 It is a schematic three-dimensional structure diagram of the wire-sealing claw described in this embodiment.

[0061] Among them, 1 - wiring base, 2 - conductive plate, 4 - clamping member, 5 - protective cover, 6 - wire-locking nut, 7 - wire-sealing bushing, 8 - wire-sealing claw, 10 - insulating seat body, 101 - fixing plate, 1011 - fixing hole, 1012 - clamping plate, 1013 - clamping hook, 1014 - annular sealing groove, 11 - jack, 12 - wiring groove, 121 - wiring chute, 122 - first wire groove, 123 - mounting hole, 1231 - accommodating hole, 124 - shielding groove, 1241 - shielding chute, 125 - placing block, 1251 - stop surface, 1252 - conductive groove, 1253 - nut groove, 126 - bar, 127 - annular groove, 128 - first rib structure, 129 - second rib structure, 13 - functional wire hole, 21 - wiring board, 211 - wiring hole, 212 - contact surface, 213 - flange, 22 - connecting plate, 23 - functional wire board, 231 - round hole, 31 - first cable, 311 - first cable wiring end, 321 - second cable wiring end, 33 - functional cable, 331 - functional cable wiring end, 34 - press riveting nut, 341 - knurling teeth, 41 - tongue plate, 42 - shielding plate, 421 - shielding elastic piece, 4211 - shielding protrusion, 422 - slider, 43 - connecting block, 50 - protective housing, 501 - card slot, 502 - card hole, 51 - accommodating cavity, 52 - connecting end, 521 - stop elastic piece, 5211 - pressing protrusion, 522 - external thread, 523 - groove, 524 - annular retaining piece, 525 - serrated port, 61 - inclined gear groove, 62 - internal thread, 63 - hollow cavity, 71 - waterproof film, 81 - sealing strip, 82 - annular sleeve, 821 - annular serrated groove. Detailed implementation manners

[0062] The embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts fall within the scope of protection of the present invention.

[0063] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", "front end", "back end", "both ends", "one end", "the other end", etc. are based on the orientation or positional relationships shown in the drawings. These are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention. In the description of the present invention, the meaning of "a plurality of" is two or more, unless otherwise specifically and clearly defined.

[0064] In the description of the present invention, unless otherwise clearly specified and defined, the terms "provided with", "equipped with", "connected", "installed with", "sheathed", "opened", "fixed", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0065] Embodiment

[0066] Please refer to Figure 1 - 21 , as Figure 1 - 21 shown, the present invention discloses a terminal block, and the terminal block is applied to a connector. In this embodiment, taking the connector as an example, the technical solution of the terminal block and its application on the connector are elaborated.

[0067] The connector includes a terminal block 1 and a protective cover 5, as Figure 1 - 2As shown, the terminal block 1 and the protective cover 5 are coaxially arranged. A plurality of first cables 31 and a plurality of second cables are installed in the terminal block 1. The first cables 31 and the second cables are installed in the same wiring hole 211 of the conductive plate 2, so that the first cables 31 and the second cables have a power sharing connection point. The purpose of this design can greatly save the length of the conductive plate and the cost of the conductive plate. Compared with the conventional technology, the conductive plate of this embodiment saves half of the cost, greatly reducing the manufacturing cost of the connector. Therefore, this connector is more acceptable and usable by users, which helps to be widely promoted and used. In addition, reducing the connection points and the wire length of the conductors also reduces the problems of loose connection points or other failure problems, which is beneficial to the long-term stable operation of the terminal block and further extends the service life of the terminal block. On the other hand, the provided protective cover has a sealing property. The protective cover itself has a sealing property, is hermetically connected to the insulating seat body 10, is sealed with the second cable when the second cable extends into the protective cover, and the insulating seat body 10 is hermetically fixed to the equipment end. The all-round sealing design can better protect the second cable from being corroded and rusted by the environment, and can better extend the service life of the equipment and the second cable. This embodiment takes a 5-core 50A through-panel connector as an example to elaborate the solution. The 5-core 50A through-wall connector is mainly installed on the inverter.

[0068] The terminal block 1 includes an insulating seat body 10, a conductive plate 2 and a locking member, as Figure 3 - 14 shown;

[0069] One end of the insulating seat body 10 is provided with a plurality of jacks 11 along the axial direction, as Figure 9 - 10A plurality of wiring grooves 12 are axially formed on the surface of the described insulating base 10. The wiring grooves 12 are located at one end of the insulating base 10 away from the jacks 11. The jacks 11 correspond to the wiring grooves 12 one by one, and the jacks 11 communicate with the wiring grooves 12. A fixing plate 101 is sleeved on the insulating base 10. A plurality of fixing holes 1011 are formed on the fixing plate 101. The insulating base 10 is fixed to the device. The jacks 11 accommodate and face towards the inside of the device. A clamping plate 1012 is vertically arranged on the fixing plate 101. A hook 1013 is arranged at one end of the clamping plate 1012 away from the fixing plate 101. The axial direction of the clamping plate 1012 is the same as the axial direction of the insulating base 10. The clamping plate 1012 and the wiring grooves 12 are located on the same side of the fixing plate 101. An annular sealing groove 1014 is formed at one end of the fixing plate 101 away from the conductive plate 2. The annular sealing groove 1014 and the jacks 11 are located on the same side of the fixing plate 101. A second sealing ring is nested in the annular sealing groove 1014. The fixing plate 101 is fixedly installed on the device. The second sealing ring seals the insulating base 10 on the insulating base 10. In the example, the plurality of jacks 11 are arranged in parallel, the plurality of wiring grooves 12 are arranged in parallel, there are 5 jacks 11, and there are 5 wiring grooves 12. The wiring base is also provided with an annular sealing groove capable of nesting a sealing ring, so that the wiring base is hermetically connected to the device end, avoiding water seepage and liquid leakage, causing corrosion and rust of the cable, etc., which helps to improve the service life of the wiring base.

[0070] The conductive plate 2 is fixedly accommodated in the wiring groove 12. A wiring hole 211 is formed on the conductive plate 2. The first cable 31 passes through the jack 11 and is accommodated in the wiring groove 12. The second cable is accommodated in the wiring groove 12. The first cable wiring end 311 and the second cable wiring end 321 both correspond to the wiring hole. The locking member passes through the wiring hole to electrically connect both the first cable 31 and the second cable to the conductive plate 2. In the example, the conductive plate 2 is a copper conductive plate;

[0071] The protective cover 5 has a receiving cavity 51 with openings at both ends. The second cable passes through an open end and extends into the receiving cavity 51, and is electrically connected to the conductive plate 2. A card slot 501 is provided at one open end of the protective cover 5. The axial direction of the card slot 501 is the same as the axial direction of the protective cover 5. A card hole 502 is formed on the surface of the card slot 501. One end of the insulating seat body 10 near the wiring slot is received in the receiving cavity. The card plate 1012 is received in the card slot 501, and the hook 1013 is buckled on the card hole 502. The first open end of the protective cover 5 abuts against the fixing plate 101. An auxiliary tool is inserted into the card hole 502 to mechanically unlock the hook 1013, and the hook 1013 retracts into the card slot 501, and the protective cover 5 can be removed from the insulating seat body 10. The hook provided on the card plate of the waterproof housing must be unlocked by means of a tool, that is, mechanical unlocking, to prevent misoperation from bringing danger to personal safety or hindering the normal operation of the equipment. This design is safer.

[0072] On the opposite sides of the side walls of the wiring slot 12, wiring sliding grooves 121 are provided. The axial direction of the wiring sliding grooves 121 is the same as the axial direction of the insulating seat body 10. The conductive plate 2 is received in the wiring sliding grooves 121 of the wiring slot 12. The conductive plate 2 extends from one end of the wiring sliding groove 121 away from the jack 11 and moves towards the direction of the jack 11 until it moves to the end of the wiring sliding groove 121. A first wire groove 122 is formed at the bottom of the wiring slot 12. The wiring slot 12 is connected to the jack 11 through the first wire groove 122. The first cable wiring end 311 passes through the jack 11 and is received in the first wire groove. The first cable 31 is located below the conductive plate 2, and the second cable wiring end 321 is placed on the conductive plate 2. In the example, the first cable wiring end 311 is a first wiring nose, the second cable wiring end 321 is a second wiring nose, and the first wiring nose, the wiring hole and the second wiring nose correspond to each other. A plurality of mounting holes 123 are provided on the side of the insulating seat body 10 away from the wiring slot 12. The mounting holes 123 correspond to the wiring slots 12 one by one. The mounting holes 123 are communicated with the first wire groove 122. The mounting holes 123 correspond to the wiring holes 211. The locking member fixes the conductive plate 2 in the wiring slot 12 through the mounting holes 123. A plurality of shielding grooves 124 are provided at one end of the insulating seat body 10 away from the jack 11. The axial direction of the shielding grooves 124 is the same as the axial direction of the insulating seat body 10. The shielding grooves 124 correspond to the wiring slots 12 one by one. The mounting holes 123 are all communicated with the shielding grooves 124 and the wiring slots 12.

[0073] The locking member includes a bolt and a nut. The bolt includes a bolt tail end which is non-circular. A receiving hole 1231 matching the bolt tail end is formed at the bottom of the first wire groove 122. The receiving hole corresponds to the mounting hole 123. The first wire groove 122 and the shielding groove 124 are communicated through the receiving hole 1231. The bolt penetrates through the mounting hole 123 and sequentially passes through the receiving hole 1231, the first terminal lug, the wiring hole 211 and the second terminal lug. The bolt tail end is received in the receiving hole 1231. The second terminal lug is sleeved on the bolt. The nut is fixed on the bolt to fixedly connect the first terminal lug and the second terminal lug to the conductive plate 2, thereby realizing the electrical connection between the first cable 31 and the second cable. In the example, the bolt is a hexagonal bolt.

[0074] The terminal block 1 further includes a clamping member 4, such as Figure 11 - 12As shown, the card member 4 can abut against the conductive plate 2 in the wiring slot, and the card member 4 can stop the locking member in the wiring hole 211. The card member 4 includes a tongue plate 41, a shielding plate 42 and a connecting block 43. One end of the connecting block 43 is fixedly connected to the tongue plate 41, and one end of the connecting block 43 is fixedly connected to the shielding plate 42. The tongue plate 41 and the shielding plate 42 are arranged in parallel, and the tongue plate 41 and the shielding plate 42 are located on the same side of the connecting block 43. The length of the tongue plate 41 is less than the length of the shielding plate 42. The tongue plate 41 is received in the wiring chute 121 and abuts against the conductive plate 2. The shielding plate 42 is received in the shielding groove 124. One end of the shielding plate 42 away from the connecting block 43 corresponds to the wiring hole 211. A shielding elastic piece 421 is arranged on the side of the shielding plate 42 away from the connecting block 43. A shielding protrusion 4211 is arranged on the shielding elastic piece 421. The shielding protrusion 4211 has an inclined surface and a vertical surface perpendicular to the shielding elastic piece 421. The vertical surface is located on the side of the shielding protrusion 4211 away from the jack 11, and the inclined surface is located on the side of the shielding protrusion 4211 close to the jack 11. The inclined surface faces away from the jack 11 from the side close to the jack 11, and the inclined surface is inclined away from the shielding plate 42. The side of the mounting hole 123 away from the jack 11 is a shielding surface. The shielding plate 42 is received in the shielding groove 124, and the vertical surface abuts against the shielding surface, so that the shielding plate 42 is snapped into the shielding hole. When the card member 4 is taken out, the shielding protrusion 4211 is pressed, and the shielding protrusion 4211 retracts into the shielding groove 124, and the card member 4 can be detached from the insulating seat body 10. Additionally, preferably, a sliding block 422 is arranged on the side wall of the shielding plate 42 close to the connecting block 43. Shielding chutes 1241 are oppositely formed on the two side walls of the shielding groove 124. The sliding block 422 is received in the shielding chute 1241. Preferably, a sliding block 422 is arranged on the side wall of the shielding plate 42 close to the connecting block 43. Shielding chutes 1241 are oppositely formed on the two side walls of the shielding groove 124. The sliding block 422 is received in the shielding chute 1241. Arranging the sliding block 422 and the shielding chute 1241 can enable the shielding plate 42 to smoothly extend into and be pulled out of the shielding groove 124.

[0075] A connecting block receiving groove is further formed at the bottom of the wiring slot at the connecting block installation position. The connecting block is received in the connecting block receiving groove. In the example, the connecting block receiving groove communicates with the wiring chute and the shielding groove.

[0076] A card component is provided. First, a first cable can be inserted into the jack on the device side, and the card component can be detachably installed on the insulating seat body. On the one hand, the tongue plate of the card component abuts against the conductive plate, and the outer end of the card component is aligned with the outer end of the insulating seat body. By visually observing whether the wiring board of the conductive plate abuts against the stop surface, whether the tongue plate of the card component abuts against the wiring board of the conductive plate, and whether the outer end of the card component is aligned with the outer end of the insulating seat body, it can be directly observed whether the conductive plate is installed in the correct position and whether the card component is installed in the correct position. It can be directly judged, the operation is simple, and the assembly is relatively easy. On the other hand, the shielding plate of the card component shields the installation hole opening, so that the bolt sleeved with the first cable and the conductive plate is fixed in the installation hole and pre-installed in place. This not only facilitates the semi-finished product of the wiring seat wiring to be shipped to customers, and the customer only needs to install the second cable at the outer end after getting the device, but also can improve the firmness during the locking installation and use of the wiring seat, and extend the service life.

[0077] In a preferred embodiment, a plurality of functional wire holes 13 are further formed at one end of the insulating seat body 10 along the axial direction. The plurality of functional wire holes 13 are arranged in parallel. In the example, there are 5 functional wire holes 13. The functional wire holes 13 and the jack 11 are located on the same end face of the insulating seat body 10. The functional wire holes 13 are located above the jack 11. The functional wire holes 13 communicate with the wiring groove 12. The insulating seat body 10 further includes a placement block 125. The placement block 125 is located between the jack 11 and the functional wire holes 13. One end of the placement block 125 close to the wiring hole 211 is a stop surface 1251. A conductive groove 1252 is formed at one end of the placement block 125 close to the wiring hole 211. A nut groove 1253 is formed at the bottom of the conductive groove 1252. In the example, the functional cable 33 is an NTC temperature measurement wire.

[0078] The conductive plate 2 includes a wiring board 21, a connecting plate 22 and a functional wire board 23, as Figure 13 - 14As shown, one end of the connecting plate 22 is vertically connected to a wiring board 21, and the other end of the connecting plate 22 is vertically connected to a functional wire board 23. The wiring board 21 and the functional wire board 23 are located on both sides of the connecting plate 22. A wiring hole 211 is provided on the wiring board 21. The width of the connecting plate 22 is smaller than the width of the wiring board 21. A round hole 231 is provided on the functional wire board 23. The functional wire board 23 is received in the conductive groove 1252. One end of the wiring board 21 close to the connecting plate 22 is a contact surface 212, and the contact surface 212 abuts against the stop surface 1251. By observing the contact between the contact surface 212 and the stop surface 1251, it can be judged whether the conductive plate 2 is installed in the correct position. Otherwise, if there is a gap between the contact surface 212 and the stop surface 1251, the conductive plate 2 is not installed in the correct position, which will cause the wiring hole 211 and the receiving hole 1231 to be misaligned, and then the bolt cannot pass through the receiving hole, the first wiring nose, the wiring hole 211 and the second wiring nose in sequence, and the bolt cannot be installed and used. Preferably, convex edges 213 are oppositely arranged on the long side edges of the wiring board 21, and the convex edges 213 are in interference fit with the wiring chute 121, and the wiring board 21 is fixed in the wiring chute 121.

[0079] A functional wire connection nose is provided at the functional cable connection end 331. The functional cable 33 passes through the functional wire hole 13 and is placed on the functional wire board 23, and the functional wire connection nose corresponds to the round hole 231.

[0080] Function cables can also be connected, such as temperature measurement wires, etc., to increase the functional diversity of the terminal block; different ribs are provided on both sides of the terminal block, so that the protective cover is sleeved to play an anti-misoperation role, avoiding misinstallation caused by operation errors, and thus bringing unnecessary losses.

[0081] It further includes a rivet nut 34 and a functional bolt that matches the rivet nut 34. The rivet nut 34 includes embossed teeth 341. The embossed teeth 341 are pressed in the round hole 231. The rivet nut 34 is located on the side of the functional wire board 23 close to the wiring board 21. The rivet nut 34 is received in the nut groove 1253. The functional bolt passes through the functional wire connection nose and the round hole 231 in sequence and is fixed in the rivet nut 34.

[0082] Blocking strips 126 are oppositely arranged on the two side walls of the wiring groove 12. The axial direction of the blocking strips 126 is the same as the axial direction of the insulating seat body 10. The blocking strips 126 are located above the conductive groove, and the blocking strips 126 can press the functional wire board 23 in the conductive groove.

[0083] Preferably, an annular groove 127 is formed in the insulating seat body 10. The annular groove 127 and the conductive plate 2 are on the same side of the fixing plate 101. A first sealing ring is nested in the annular groove 127. One end of the insulating seat body 10 where the conductive plate 2 is installed is received in the receiving cavity 51. The first sealing ring can seal the protective cover 5 on the insulating seat body 10. The wiring seat is also provided with an annular groove for nesting the sealing ring, so that the wiring seat and the protective cover are hermetically connected, avoiding water seepage and liquid leakage, causing corrosion and rust of the cable, etc., which helps to improve the service life of the wiring seat.

[0084] The protective cover 5 includes a protective shell 50 and a wire locking sleeve; the protective shell 50 and the wire locking sleeve are coaxially arranged, as Figure 15 - 21 shown;

[0085] The protective shell 50 has a receiving cavity 51 with openings at both ends, as Figure 16 - 18 shown. One end of the protective shell 50 is provided with a connecting end 52. The surface of the connecting end 52 is provided with an external thread 522 and at least one stop elastic piece 521. The stop elastic piece (521) is close to the external thread (522). Of course, it can also be as Figure 17 shown. The stop elastic piece 521 is located on the side of the external thread 522 away from the port of the connecting end 52. One end of the stop elastic piece 521 is fixedly connected to the connecting end 52, and the other end of the stop elastic piece 521 is a free end. The axial direction of the stop elastic piece 521 is perpendicular to the axial direction of the connecting end 52. The stop elastic piece 521 inclines towards the direction away from the connecting end 52. A pressing protrusion 5211 is arranged on the side of the stop elastic piece 521 away from the port of the connecting end 52. The port of the connecting end 52 is a serrated port 525; Preferably, a groove 523 is formed on the surface of the connecting end at the position of the stop elastic piece 521. The groove 523 corresponds to the stop elastic piece 521, and the pressed stop elastic piece 521 is received in the groove 523.

[0086] The wire locking sleeve has a hollow cylindrical structure with openings at both ends. A plurality of inclined gear grooves 61 are annularly arranged on the inner wall of the wire locking sleeve and an internal thread 62 that matches the external thread. The inclined gear grooves 61 are close to one end of the wire locking sleeve. The internal thread is close to the inclined gear grooves 61. The inclination direction of the inclined gear grooves 61 is the same as the inclination direction of the stop elastic piece 521. The internal thread 62 is threadedly connected to the external thread 522. The stop elastic piece 521 is received in the inclined gear grooves 61. The stop elastic piece 521 received in the inclined gear grooves 61 can prevent the wire locking sleeve from loosening from the connecting end. Pressing the pressing protrusion 5211 can make the wire locking sleeve loosen from the connecting end; A sealing structure is arranged at one end of the wire locking sleeve away from the inclined gear grooves 61. The sealing structure can pass through the second cable and surround the second cable;

[0087] The wire-locking sleeve includes a wire-locking nut 6, a wire-sealing bushing 7, and a wire-sealing claw 8;

[0088] The wire-locking nut 6, the wire-sealing bushing 7, and the wire-sealing claw 8 are all in a hollow cylindrical structure. The wire-locking nut 6, the wire-sealing bushing 7, and the wire-sealing claw 8 are coaxially arranged. The wire-locking nut 6 has a hollow cavity 63. As Figure 19 shown, the wire-locking nut 6 is provided with an inclined gear groove 61 and an internal thread 62 that matches the external thread. The inclined gear groove 61 is close to one end of the wire-locking nut 6, and the internal thread is close to the inclined gear groove 61;

[0089] The wire-sealing bushing 7 is accommodated in the hollow cavity 63. As Figure 20 shown, an annular retaining piece 524 is provided on the inner wall of the connection end. One end of the wire-sealing bushing 7 abuts against the annular retaining piece 524. The sealing structure is a waterproof film 71. A waterproof film 71 is provided on the opening at one end of the wire-sealing bushing 7 away from the protective housing 50. The second cable can pass through the waterproof film 71 and is surrounded by the folded waterproof film 71.

[0090] The wire-sealing claw 8 is accommodated in the hollow cavity 63. As Figure 21 shown, the wire-sealing claw 8 is sleeved on the wire-sealing bushing 7. A plurality of sealing strips 81 are annularly arranged at one end of the wire-sealing claw 8 away from the protective housing 50. The axial direction of the sealing strips 81 is the same as the axial direction of the wire-sealing claw 8. The hollow cavity 63 is a conical hollow cavity at one end away from the protective housing 50. Along the direction away from the protective housing 50, the inner diameter of the conical hollow cavity gradually decreases; the wire-locking sleeve is screwed onto the connection end 52, and the sealing strips 81 are inclined towards the axial direction under the extrusion of the conical cavity. The sealing strips 81 inclined towards the axial direction can surround the second cable to seal the second cable. An annular sleeve 82 is sleeved on the surface of the wire-sealing claw 8. An annular serrated groove 821 is provided on one side of the annular sleeve 82 close to the connection end 52. The wire-locking sleeve is screwed onto the connection end 52, and the annular serrated groove 821 cooperates with the serrated port; one end of the wire-sealing claw 8 away from the sealing strips 81 is between the connection end and the wire-sealing bushing 7.

[0091] In a preferred embodiment, a first rib structure 128 is provided along the axial direction on one side of the insulating base body 10 close to the wiring groove, and a second rib structure 129 is provided along the axial direction on the other side of the insulating base body 10 close to the wiring groove. The shapes, positions, and / or spacing distances of the first rib structure 128 and the second rib structure 129 are inconsistent; the inconsistent shapes, positions, and / or spacing distances of the first rib structure 128 and the second rib structure 129 can play an anti-fooling role and prevent the protective housing 50 from being installed incorrectly. Of course, the first rib structure 128 and the second rib structure 129 do not necessarily have to be designed differently. The first rib structure 128 and the second rib structure 129 without an anti-fooling role can also be used as a non-preferred solution.

[0092] A first groove structure is provided at the corresponding position of the inner wall of the protective housing 50 for the first rib structure 128. The first groove structure matches the first rib structure 128, and the first rib structure 128 is received in the first groove structure. A second groove structure is provided at the corresponding position of the inner wall of the protective housing 50 for the second rib structure 129. The second groove structure matches the second rib structure 129, and the second rib structure 129 is received in the second groove structure.

[0093] The wiring base described in this patent has one or more of the following beneficial effects:

[0094] (1) The first cable and the second cable are installed on the same wiring hole 211 of the conductive plate 2, so that the first cable and the second cable have a power sharing connection point. The purpose of this design can greatly save the length of the conductive plate and the cost of the conductive plate. Compared with the conventional technology, the conductive plate in this embodiment saves half of the cost, greatly reducing the manufacturing cost of the connector. Therefore, this connector is more acceptable and usable by users, which helps to promote and use it widely; in addition, reducing the connection points and the wire length of the conductive wire also reduces the loosening failure of the connection points or other failure problems, which is beneficial to the long-term stable operation of the wiring base and further extends the service life of the wiring base.

[0095] (2) It is convenient to use. By setting up a card component, the first cable can be plugged into the jack on the device side first, and the card component can be detachably installed on the insulating seat body. On the one hand, the tongue plate of the card component abuts against the conductive plate, and the outer end of the card component is aligned with the outer end of the insulating seat body. By visually observing whether the wiring board of the conductive plate abuts against the stop surface, whether the tongue plate of the card component abuts against the wiring board of the conductive plate, and whether the outer end of the card component is aligned with the outer end of the insulating seat body, etc., it can be directly observed whether the conductive plate is installed in the correct position and whether the card component is installed in the correct position. It can be intuitively judged, with simple operation and relatively simple assembly. On the other hand, the shielding plate of the card component shields the installation hole opening, so that the bolt sleeved with the first cable and the conductive plate is fixed in the installation hole and pre-installed in place. This not only facilitates the semi-finished product of the wiring seat for wiring to be shipped to customers, and the customer only needs to install the second cable at the outer end after getting the device, but also can improve the firmness during the locking installation and use process of the wiring seat and extend its service life.

[0096] (3) It can also be connected to functional cables, such as temperature measurement wires, etc., to increase the functional diversity of the wiring seat; ribs are arranged on both sides of the wiring seat, so that when a protective cover is sleeved, it plays a role in preventing misoperation and avoiding unnecessary losses caused by incorrect installation due to operation errors.

[0097] (4) The wiring seat is also provided with an annular sealing groove and an annular groove that can nest a sealing ring, so that a sealing design can be achieved between the wiring seat and the device end, and between the wiring seat and the protective cover, avoiding water seepage and liquid seepage, causing corrosion and rust of the cable, etc., which helps to extend the service life of the wiring seat.

[0098] (5) The connection part of the protective shell adopts a mechanical stop design, and a stop spring piece is arranged at its connection end to prevent the wire locking sleeve from accidentally loosening or loosening after long-term use and aging, improving the safety and stability of the equipment during use. In addition, a pressing protrusion is also provided. After locking, the wire locking sleeve can be disassembled by manually pressing, without the need to use auxiliary tools for disassembly, which is convenient for operation and greatly improves the convenience of use, making it more convenient for users.

[0099] (6) The wire locking sleeve is provided with a waterproof film, which is sealed around the installed second cable. In addition, sealing strips are arranged at intervals on the wire sealing claws, adopting a flexible design, to achieve the sealing of the second cable to achieve overall waterproof sealing, and at the same time, it can be compatible with more specifications of the second cable, which is both safe and practical.

[0100] (7) The hook arranged on the card board of the waterproof shell must be unlocked with tools, that is, mechanical unlocking, to prevent misoperation from bringing danger to personal safety or hindering the normal operation of the equipment. This design is safer.

[0101] Additional aspects and advantages of the present invention will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the present invention.

[0102] In the description of this specification, the descriptions with reference to the terms "one embodiment", "some embodiments", "yet another embodiment", "another embodiment", "other embodiments", "example", "specific example" or "some examples", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine the different embodiments or examples described in this specification.

[0103] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications and variations to the above embodiments within the scope of the present invention.

Claims

1. A terminal block, characterized in that, It includes an insulating seat body (10), a conductive plate (2) and a locking member; One end of the insulating seat body (10) is provided with a plurality of jacks (11) along the axial direction, and a plurality of wiring grooves (12) are provided on the surface of the insulating seat body (10) along the axial direction. The jacks (11) and the wiring grooves (12) correspond to each other one by one, and the jacks (11) communicate with the wiring grooves (12); The conductive plate (2) is fixedly accommodated in the wiring groove (12). A wiring hole (211) is provided on the conductive plate (2). The first cable (31) passes through the jack (11) and is accommodated in the wiring groove (12). The second cable is accommodated in the wiring groove (12). The first cable terminal (311) of the first cable and the second cable terminal (321) of the second cable both correspond to the wiring hole (211). The locking member passes through the wiring hole (211) to electrically and fixedly connect the first cable (31) and the second cable to the conductive plate (2); It further includes a clamping member (4). The clamping member (4) is detachably connected to the insulating seat body (10), and the clamping member (4) can prevent the locking member from falling off the insulating seat body (10); The clamping member (4) can abut against the conductive plate (2) in the wiring groove; The wiring groove (12) is provided with a wiring chute (121) and a first wire groove (122). The wiring chutes (121) are oppositely arranged on the side walls of the wiring groove (12). The conductive plate (2) is accommodated in the wiring chute (121). The first wire groove (122) is opened at the bottom of the wiring groove (12). The first wire groove (122) corresponds to the wiring hole (211). The wiring groove (12) is connected to the jack (11) through the first wire groove (122). The first cable terminal (311) passes through the jack (11) and is accommodated in the first wire groove (122). The first cable (31) is located below the conductive plate (2); A plurality of mounting holes (123) are provided on one side of the insulating seat body (10) away from the wiring groove (12). The mounting holes (123) communicate with the wiring groove (12). The mounting holes (123) correspond to the wiring holes (211). The locking member fixes the conductive plate (2) in the wiring groove (12) through the mounting holes (123); A plurality of shielding grooves (124) are provided at one end of the insulating seat body (10) away from the jacks (11). The shielding grooves (124) correspond to the wiring grooves (12). The shielding grooves (124) are close to the mounting holes (123) and communicate with the mounting holes (123); It further includes a rivet nut (34) and a functional bolt that matches the rivet nut (34). Stoppers (126) are oppositely arranged on the two side walls of the wiring groove (12).

2. The terminal block according to claim 1, characterized in that, The locking member includes a bolt. The bolt passes through the wiring hole (211) from the mounting hole (123); The card component (4) includes a shielding plate (42), the shielding plate (42) is received in a shielding groove (124), one end of the shielding plate (42) corresponds to a wiring hole (211), and the shielding plate (42) can be snapped into the insulating base body (10) to stop the bolt in the mounting hole (123); On a side of the shielding plate (42) away from the connection block (43), there is provided a shielding elastic piece (421), on the shielding elastic piece (421) there is provided a shielding protrusion (4211), the shielding protrusion (4211) includes an inclined surface and a vertical surface perpendicular to the shielding elastic piece (421), and the vertical surface is located on a side of the shielding protrusion (4211) away from the jack (11); On a side of the mounting hole (123) away from the jack (11) is a shielding surface, the shielding plate (42) is received in the shielding groove (124), the vertical surface abuts against the shielding surface, and the shielding plate (42) is snapped into the shielding groove (124).

3. The terminal block according to claim 2, characterized in that, The card component (4) further includes a tongue plate (41), the tongue plate (41) is parallel to the shielding plate (42), and the tongue plate (41) is received in a wiring chute (121) and abuts against the conductive plate (2).

4. The terminal block according to claim 3, characterized in that, The first cable wiring end (311) is a first wiring nose, the second cable wiring end (321) is a second wiring nose, and the first wiring nose, the wiring hole (211) and the second wiring nose all correspond to each other; The locking member further includes a nut, the bolt includes a non-circular bolt tail end, a receiving hole (1231) matching the bolt tail end is opened at the bottom of the first wire groove (122), the receiving hole corresponds to the mounting hole (123), the first wire groove (122) and the shielding groove (124) are communicated through the receiving hole (1231), the bolt penetrates from the mounting hole (123) and sequentially passes through the receiving hole (1231), the first wiring nose, the wiring hole (211) and the second wiring nose, the bolt tail end is received in the receiving hole (1231), the nut is fixed on the bolt, and the first cable (31) and the second cable are both fixedly and electrically connected to the conductive plate (2).

5. The terminal block according to claim 4, characterized in that, One end of the insulating base body (10) is further provided with a plurality of functional wire holes (13) along the axial direction, the functional wire holes (13) and the jack (11) are located on the same end face of the insulating base body (10), the functional wire holes (13) are located above the jack (11), and the functional wire holes (13) are communicated with the wiring groove (12); The insulating base body (10) further includes a placing block (125), the placing block (125) is located between the jack (11) and the functional wire holes (13), one end of the placing block (125) close to the wiring hole (211) is a stop surface (1251), and a conductive groove (1252) is opened at one end of the placing block (125) close to the wiring hole (211), and a nut groove (1253) is opened at the bottom of the conductive groove (1252).

6. The terminal block according to claim 5, characterized in that, The conductive plate (2) includes a wiring board (21), a connecting plate (22), and a functional wire board (23). One end of the connecting plate (22) is vertically connected to the wiring board (21), and the other end of the connecting plate (22) is vertically connected to the functional wire board (23). The wiring board (21) and the functional wire board (23) are located on both sides of the connecting plate (22). A wiring hole (211) is formed in the wiring board (21). The width of the connecting plate (22) is smaller than the width of the wiring board (21). A round hole (231) is formed in the functional wire board (23). The functional wire board (23) is received in the conductive groove (1252). One end of the wiring board (21) close to the connecting plate (22) is a contact surface (212), and the contact surface (212) abuts against the stop surface (1251). A functional wire connection nose is provided at the functional cable connection end. The functional cable (33) passes through the functional wire hole (13) and is placed on the functional wire board (23). The functional wire connection nose corresponds to the round hole (231).

7. The terminal block according to claim 6, characterized in that, The rivet nut (34) includes knurling teeth (341). The knurling teeth (341) are pressed in the round hole (231). The rivet nut (34) is located on the side of the functional wire board (23) close to the wiring board (21). The rivet nut (34) is received in the nut groove (1253). The functional bolt passes through the functional wire connection nose and the round hole (231) in sequence and is fixed in the rivet nut (34). A slider (422) is provided on the side wall of the shielding plate (42) close to the tongue plate (41). Opposite shielding sliding grooves (1241) are formed on the two side walls of the shielding groove (124). The slider (422) is received in the shielding sliding groove (1241).

8. The terminal block according to claim 6, characterized in that, The axial direction of the blocking strip (126) is the same as the axial direction of the insulating seat body (10). The blocking strip (126) is located above the conductive groove. The blocking strip (126) can press the functional wire board (23) in the conductive groove (1252). Flanges (213) are oppositely arranged on the long side edges of the wiring board (21). The flanges (213) are in interference fit with the wiring sliding grooves (121). The wiring board (21) is fixed in the wiring sliding grooves (121).

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